СБРАСЫВАЮЩИЙ МЕХАНИЗМ ДЛЯ УСТРОЙСТВА ДОСТАВКИ ЛЕКАРСТВЕННОГО СРЕДСТВА

Изобретение относится к медицинской технике, а именно к задающим дозу механизмам устройств доставки лекарственного средства, более конкретно к сбрасываемому задающему дозу механизму (устанавливаемому заново) для устройств доставки лекарственного средства, выполненному в форме ручки и предусматривающему самостоятельное введение лекарственного продукта из картриджа с несколькими дозами. В устройстве доставки лекарственного средства со сбрасывающим задающим дозу механизмом указанный механизм содержит корпус, поворотную гильзу в поворотном зацеплении по отношению к указанному корпусу, привод для приведения в движение шпинделя устройства доставки лекарственного средства и шпиндель, функционально связанный с указанным приводом. Привод имеет первый и второй компоненты, функционально связанные вместе посредством вращательного соединения второго компонента с первым компонентом. Когда пользователь задает дозу вращением поворотной гильзы, первый компонент и второй компонент привода осуществляют совместное ...

РЕЗЕРВУАРНЫЙ МОДУЛЬ, СОДЕРЖАЩИЙ ПОРШНЕВОЙ ШТОК

... 1. Дозирующее вещество устройство, преимущественно, инъекционное устройство, содержащее резервуарный модуль (10) и дозирующий и приводящий в действие модуль (30), соединенный с возможностью отделения с указанным резервуарным модулем, при этом указанный резервуарный модуль (10) содержит а) переднюю корпусную секцию (1, 3) указанного дозирующего вещество устройства, включающую в себя резервуар (2) для подаваемого вещества, блокировочное средство (8; 38) и первое соединительное средство (3a, 3d), b) поршень, размещенный в указанном резервуаре (2) с возможностью перемещения в направлении рабочего хода к выпускному отверстию резервуара для подачи вещества, с) и поршневой шток (4), включающий в себя блокирующее обратный ход средство (6), которое находится в блокирующем зацеплении с указанным блокировочным средством (8; 38), при этом указанное блокирующее зацепление выполнено с возможностью предотвращения перемещения указанного поршневого штока (4) против указанного направления рабочего хода относительно ...

ИНФУЗИОННЫЕ НАСОСЫ

... 1. Способ подачи медикамента из картриджа, имеющего резервуар, определяющий общий заполненный объем, и плунжер, при этом способ включает в себя:проталкивание плунжера для управляемой подачи из резервуара с медикаментом в соответствии с сохраненным профилем подачи, который включает в себя множество доз, в течение периода времени несколько часов, количества медикамента, составляющего 0,1% или меньше от общего количества заполненного объема резервуара и с точностью одиночной дозы лучше, чем ±20%;при этом точность одой дозы получают после периода подачи меньше, чем восемь часов, в течение которого плунжер проталкивают в соответствии с сохраненным профилем подачи.2. Способ по п.1, в котором точность одиночной дозы лучше, чем ±10%.3. Способ по п.1, в котором период подачи составляет шесть часов или меньше.4. Способ по п.1, в котором медикамент представляет собой инсулин, содержащий больше чем 100 международных единиц активности инсулина на 1,0 куб. см.5. Способ по п.1, в котором медикамент представляет ...

SCHIEBERDURCHFLUSSREGLER MIT VERÄNDERLICHER KANALNUT

FLUSSBESCHRÄNKER MIT SICHERHEITSMERKMAL

Vorrichtung mit einer Öffnung umfaßend mehrere Kanäle mit verschiedenen Durchflußraten zur Verabreichung von Medikamenten

Cardioplegic agent delivery system

Flow regulating apparatus

A flow regulating apparatus particularly for use in medical administration of fluid to the body, comprises a housing (11) which has a cylindrical protrusion (20,21) at either end so that the housing may be inserted into a tube of, for example, a medical infusion set. A piece of tubing (10) within the housing extends between the protrusions and one of the protrusions is mounted on an annular disc (12) so that it may be rotated relative to the other end of the housing. This rotation which is controlled by a ratchet mechanism (17), causes the tubing to twist and thereby controls the rate of fluid flow through the tubing. The rate of flow may be controlled between a full bore rate and a zero flow rate when the tubing is twisted so that its bore is fully occluded. ...

Fluid delivery system

A fluid delivery system 100 comprising a fluid source 130, a pump 120 arranged to deliver fluid from the fluid source 130 to a patient 140, a sensor 150 configured to measure a physiological parameter associated with the patient during fluid delivery, and a controller 170 configured to control operation of the pump 120. The controller 170 receives from the sensor 150 a plurality of measurements of the physiological parameter, generating curve data that is dependent on the plurality of measurements of the physiological parameter. The curve data is compared with predetermined curve data and a control signal 180 generated based on said comparison. The control signal 180 is output to the pump 120 to control the delivery of fluid from the fluid source 130 to the patient 140. The fluid to be delivered may be saline, delivered for the treatment of shock, and the physiological parameter may be cardiac output. The controller 170 may be configured to predict a fluid responsiveness of the patient, ...

VALVE FOR A FLUID, IN PARTICULAR FOR USE IN A MECHANICALLY CLAIMANT HYDRAULIC PUMP

DEVICE FOR ADJUSTMENT THE FLOW OF A LIQUID

Implantable device for dosing liquid long-term medicaments

An implantable device for dosing liquid long-term medicaments, e.g. insulin, consists of a storage container 1, which is divided into two chambers 6, 7 by means of a membrane 8, the refillable medicament being situated in one chamber 7 and a propellant with a temperature-dependent vapour pressure in the other chamber 6. The medicament is permanently under the pressure of the propellant and is continually injected into the human body by means of a delivery system 4 connected to the storage container 1. The cross-sectional area of the delivery system 4 is altered in one position by means of an electronically controlled actuating element 5, by constriction over a certain length and as a function of a measured physiological parameter. In addition, a device is provided with whose aid the delivery system 4 can be closed by means of the actuating element 5 on detection of a lower threshold value of the body temperature. As a result, flow-back of a medicament into the medicament chamber 7 on occurrence ...

FLUSSRESTRIKTOR AND SYSTEM FOR THE DELIVERY OF A LIQUID FLOW INTO A MICRO CAPILLARY

VORRICHTUNG ZUR DOSIERTEN ABGABE VON FLÜSSIGKEIT

ONE-WAY INFUSION DEVICE

ELECTRO-CHEMICAL ACTUATOR

VORRICHTUNG ZUR EINSTELLUNG DES DURCHFLUSSES EINER FLUESSIGKEIT

MEDICAL DELIVERY DEVICE FOR FLUIDS WITH LOW FLUID FLOW RATE

DEVICE WITH AN OPENING COMPREHENSIVE SEVERAL CHANNELS WITH DIFFERENT FLOW RATES FOR THE ADMINISTRATION OF MEDICINES

FLOW MODULATOR FOR TROPFINFUSIONEN.

DEVICE TO THE PROPORTIONED DELIVERY OF LIQUID

PORTABLE PAIN-FACILITATING DEVICE

VALVE FOR A FLUID, IN PARTICULAR FOR USE IN A MECHANICALLY CLAIMANT HYDRAULIC PUMP

VALVE FOR A FLUID, IN PARTICULAR FOR USE IN A MECHANICALLY CLAIMANT HYDRAULIC PUMP

VALVE FOR A FLUID, IN PARTICULAR FOR USE IN A MECHANICALLY CLAIMANT HYDRAULIC PUMP

VALVE FOR A FLUID, IN PARTICULAR FOR USE IN A MECHANICALLY CLAIMANT HYDRAULIC PUMP

VALVE FOR A FLUID, IN PARTICULAR FOR USE IN A MECHANICALLY CLAIMANT HYDRAULIC PUMP

VALVE FOR A FLUID, IN PARTICULAR FOR USE IN A MECHANICALLY CLAIMANT HYDRAULIC PUMP

Infusion system with peristaltic pump

A peristaltic pump, and related system method are provided. The peristaltic pump includes a cam shaft, first and second pinch-valve cams, first and second pinch-valve cam followers, a plunger cam, a plunger-cam follower, a tube receiver, and a spring-biased plunger. The first and second pinch-valve cams are coupled to the cam shaft. The first and second pinch-valve cam followers each engage the first and second pinch-valve cams, respectively. The plunger cam is coupled to the cam shaft. The plunger-cam follower engages the plunger cam. The tube receiver is configured to receive a tube. The spring biased plunger is coupled to the plunger-cam follower such that the expansion of the plunger cam along a radial angle intersecting the plunger-cam follower as the cam shaft rotates pushes the plunger cam follower towards the plunger and thereby disengages the spring-biased plunger from the tube. A spring coupled to the spring-biased plunger biases the spring-biased plunger to apply the crushing ...

Medical fluid injector including bolus counter

The present invention relates to a medical fluid injector. In particular, by including a bolus counter that 5 provides the correct number of bolus injections, it is possible to prevent the problem of excessive administration of a medical fluid due to frequent bolus injections through the management of the number of bolus injections, and increase effectiveness of treatment through the 10 establishment of a treatment strategy based on the number of bolus injections provided.

Rotary motor based transdermal injection device

An apparatus for injectate delivery includes a cartridge, a linear actuator, a rotary motor mechanically coupled the actuator, and a controller coupled to the motor. The controller controls a linear motion of the actuator by controlling an electrical input supplied to the motor in a first interval during which the motor is stationary with the linear actuator engaged with the cartridge to displace an injectate in the cartridge, a second interval following the first interval during which the controller accelerates the motor from stationary to a first speed selected to create a jet of the injectate from the cartridge with a velocity sufficient to pierce human tissue to a subcutaneous depth, a third interval during which the controller maintains the motor at or above the first speed, and a fourth interval during which the controller decelerates the motor to a second speed to deliver the injectate at the subcutaneous depth.

System and method having transition phase in multi-phase injection protocol

A method of delivering a multi-phase fluid injection to a patient via a fluid injector comprising two or more syringes includes injecting a first fluid of the fluid injection from at least a first syringe at a first predetermined flow rate, wherein the first fluid has a first viscosity; injecting an initial portion of a second fluid from at least a second syringe at an intermediate flow rate different than a second predetermined flow rate for a specified time, the second fluid having a second viscosity different from the first viscosity; and injecting a remaining portion of the second fluid of the fluid injection at a flow rate at the second predetermined flow rate. A fluid injector system configured for delivering a multi-phase fluid injection is disclosed.

High flow at low pressure infusion system and method

Provided is a system and method for a high flow at low pressure infusion system needle set for delivering a liquid from a reservoir to a patient. More specifically, provided is a high flow at low pressure infusion system needle set including a flexible tubing element having a first length and a first end structured and arranged to connect to the reservoir, and a second end opposite thereto, the flexible tubing element having a first internal diameter. A needle having a second length and a second internal diameter is coupled to the second end of the flexible tubing, the needle having a first portion providing a sharpened distal end for penetration of the patients tissue and a second portion providing a second end in fluid communication with the second end of the flexible tubing element, the first portion and second portion generally normal to each other. The second end of the needle has an outside diameter, the flexible tubing element having an average first internal diameter along the first ...

IMPLANTABLE DEVICE WITH INVASIVE AND NON-INVASIVE REVERSIBLE INFUSION RATE ADJUSTABILITY

Catheter for target specific drug delivery

FLOW RESTRICTOR WITH SAFETY FEATURE

Wearable flow regulating device for delivering fluid to a patient

There is provided a compact flow restriction device having a housing and tubing, the housing holding the tubing within it, the tubing reducing liquid pressure from a higher pressure at a first tubing end to a second pressure at a second tubing end, the housing adapted to be worn by a patient and the liquid delivered to said patient at the second end at the second pressure.

Sterile assembled liquid medicament dosage control and delivery device

A liquid medicament dispenser (10) includes a housing (11) and a pump (124) carried by the housing (11), a reservoir (23) applied to the housing (11) and containing a pre-filled sterile liquid medicament, a sterile tubing set (64) routed through the pump (124), a sterile administration line (12) carried outside of the housing (11) and coupled aseptically to the sterile tubing set (64) in fluid communication, and an aseptic connector (63) coupled to the reservoir (23) and the sterile tubing set (64) and changeable from a storage state to a use state. In the storage state, the aseptic connector (64) prevents the liquid medicament in the reservoir (23) from moving to the sterile tubing set (64). In the use state of the aseptic connector (64), the aseptic connector (64) defines a sterile passageway for the flow of the liquid medicament from the reservoir (23) to the sterile tubing set (64).

Power pack for an autoinjector and autoinjector containing same

Power packs for use with autoinjectors for delivering a drug are described, as are various autoinjectors containing the power packs.

Gas-propelled autoinjector with gas flow regulator

An autoinjector that includes a canister having a liquefied gas, a flow regulator, and an actuator is provided. The flow regulator engages the canister to receive a flow of gas generated by the liquefied gas. The actuator is coupled to the canister and the flow regulator, and includes a passageway for receiving the flow of gas downstream from the flow regulator. The actuator moves relative to the canister between an engaged position whereby the flow regulator is in fluid communication with the canister for receiving the flow of gas and a storage position whereby the flow regulator is spaced from the canister.

Hydraulically actuated pump for long duration medicament adminstration

Abstract Presently disclosed is a hydraulic pump device and its use thereof, especially in a fluid delivery system. In one embodiment, the fluid delivery system is an inexpensive, single 5 use device for slow dosing medicament applications. The fluid delivery system may employ a spring-compressed bellows crank or other combination of simple mechanisms operating according to the well-known peristaltic principle to force a volume of ultrapure bio-inert hydraulic fluid through an aperture, thereby expanding one chamber of a two chamber hydraulic cylinder. The second, fluid storage chamber, containing the 10 medicament, is emptied through a conventional orifice in response to the expansion of the pump chamber. The medicament may thence flow through any suitable infusion set into a patient removeably attached thereto.

Adjusting Insulin Delivery Rates

... - 74 A method may include generating a first plurality of insulin delivery profiles that include a first series of insulin delivery actions spanning a first time interval, projecting a first plurality of future blood glucose values for each profile of the first plurality of profiles using up-to-date blood 5 glucose levels, selecting one of the first plurality of profiles based upon comparing future blood glucose values for each profile and target blood glucose levels, delivering insulin for a second time interval that corresponds to a first action of the first profile, generating a second plurality of insulin delivery profiles for a third time interval, projecting a second plurality of future blood glucose values for each profile of the second plurality of profiles for the third time interval, and delivering 0 a second dose of insulin for a fourth time interval shorter than the third time interval. C'4 C'4 co C) Cryj ...

FLOW CONTROL DEVICE FOR ADMINISTRATION OF INTRAVENOUS FLUIDS

Variable rate infusion apparatus with indicator and adjustable rate control

APPARATUS FOR CONTROLLABLY ADMINISTERING A PARENTERAL FLUID

ADMINISTRATION DEVICE COMPRISING AN OSMOTIC DRIVE

An administering device with an osmotic drive for administering an injectable product comprises a housing (1) with a first chamber (2) containing a solvent, a second chamber (3) containing a solution and a product chamber (4) for accommodating the product. A semi-permeable membrane (5) is disposed between the first chamber (2) and the second chamber (3). The second chamber (3) is adjoined by a delivery means (9; 14) for delivering product out of the product chamber (4). A triggering device (9; 15) for triggering the osmotic drive comprises an impermeable separating means (8) between the first chamber (2) and the second chamber (3). The delivery means (9; 14) is slidable relative to the housing (1) along a longitudinal axis (D) of the housing (1).

DRUG DELIVERY SYSTEM

A delivery system configured to be secured on a patient skin which comprises a first container having a first variable volume; a second container having a second variable volume; and a skin adherable unit configured to secure the first container and the second container to the patient skin. The medical device may further comprise a containers' interface configured to operatively couple the first container and the second container such that a volume increase of the second variable volume may induce a volume decrease of the first variable volume. Preferentially, the system further comprises a vent device configured to prevent any unintended pressure increase in the first storage compartment.

COMPACT FLOW REGULATING DEVICE

There is provided a compact flow restriction device having a housing and tubing, the housing holding the tubing within it, the tubing reducing liquid pressure from a higher pressure at a first tubing end to a second pressure at a second tubing end, the housing adapted to be worn by a patient and the liquid delivered to said patient at the second end at the second pressure.

WEARABLE FLOW REGULATING DEVICE FOR DELIVERING FLUID TO A PATIENT

There is provided a compact flow restriction device having a housing and tubing, the housing holding the tubing within it, the tubing reducing liquid pressure from a higher pressure at a first tubing end to a second pressure at a second tubing end, the housing adapted to be worn by a patient and the liquid delivered to said patient at the second end at the second pressure.

FLUID INFUSION DEVICE

A fluid infusion device is provided with a cannula spring which functions as an introducer needle, a retraction return spring, and a fluid path. A hollow cannula tubing is wound, bent and sharpened into a shape which allows it to operate as an introducer needle, retraction spring and fluid path in an infusion device. A button is used to insert the introducer needle portion of the cannula spring and a soft catheter, and once the introducer needle portion and catheter have been fully inserted, an engagement between the button and post of the base of the infusion device releases the cannula spring such that the introducer needle portion of the cannula spring automatically retracts, leaving the catheter in the body. An end of the introducer needle portion of the cannula spring remains in fluid communication with the catheter in the body to provide an uninterrupted fluid path.

PRESSURE ACTIVATED EMERGENCY SUPPLY VALVE

The present invention provides an emergency supply valve to support the in situ administration of a drug to a subject in need thereof, comprising an infusion needle connected to a movable piston, wherein said piston is forwarded by infusion solution unable to pass the regular drug line due to kinking or obstruction thereof, a self-sealing membrane that is disrupted by the infusion needle when the piston is in a forward position, a connecting unit that connects the needle to the regular drug conduit when the needle is in a forward position, and a pressure sensitive mechanism that retracts the piston from the forward position when an increased pressure of the drug supply is normalized and its use for the treatment of subjects in need thereof.

SYSTEMS AND METHODS FOR DETERMINING THE STATUS OF A FLUID-COOLED MICROWAVE ABLATION SYSTEM

A method of determining the status of a fluid cooled microwave ablation system is provided including providing an electrical current to a pump to pump fluid through an ablation system along a fluid path to cool the ablation system, measuring an electrical current drawn by the pump, and determining a status of the ablation system based on the measured electrical current. In another aspect of the disclosure, an ablation system is provided including an ablation probe defining a fluid path for circulation of fluid therethrough, a generator configured to supply energy to the ablation probe for treating tissue, a pump configured to pump fluid through the fluid path of the ablation probe to cool the ablation probe, a sensor configured to measure an electrical current drawn by the pump, and a computing device configured to determine a status of the ablation system based on the measured electrical current.

DEVICE FOR AT LEAST ONE OF INJECTION OR ASPIRATION

Micro-volume devices, systems, and associated methods that facilitate the injection or aspiration of precisely controlled volumes of materials at precisely controlled rates are provided. In one embodiment, a micro-volume device includes a syringe and a lead screw connected to a plunger of the syringe. A mechanical interface is connected to the lead screw and includes a first set of cams adjacent a proximal portion and a second set of cams adjacent a distal portion. A mechanism is configured to oscillate a structure in a direction parallel to a longitudinal axis of the lead screw such that one or more projections of the structure to alternatively engage cams of the first and second sets of cams in a manner that results in rotation of the mechanical interface in a single direction for highly controlled linear displacement of the plunger.

Vorrichtung für medizinische Zwecke zum Infundieren einer Flüssigkeit, insbesondere bei blutiger Blutdruckmessung

Appliance for setting the flow rate of a liquid

DEVICE FOR ADJUSTING THE FLOW RATE OF A FLUID IN A HOSE.

VALVE WITH ADJUSTABLE FLOW CROSS-SECTION AS WELL AS USE OF THE SAME.

Hybrid system for the treatment of pain uses drug administration and electrostimulation and comprises an electrocatheter with holes in its distal end for drug infusion

Pain-treatment system comprises an electrocatheter (8) terminating with a connector, a drug flow regulator (21), cabling (3) for the hydraulic and electrical connection between the electrocatheter and the apparatus used for drug administration and electrical stimulation, a drug-administration pump device (1), an electronic circuit with battery for generating a stimulating electrical signal and a ground electrode (7). The distal end (10) of the electrocatheter comprises holes for infusion of the drug.

Device for dispensing a liquid.

L’invention concerne un dispositif de distribution d’un liquide, notamment un dispositif portatif pour administrer une solution médicamenteuse à un patient, le dispositif comportant un logement et/ou un contenant (3) d’un liquide à distribuer. Le logement et/ou contenant comporte une ouverture pour la distribution du liquide, une pièce d’appui (4) s’appuyant contre le logement et/ou le contenant pour contrôler la distribution de liquide par l’ouverture. Le dispositif comporte également une unité d’entraînement (1) pour entraîner la pièce d’appui contre le logement et/ou le contenant (3) pour ainsi déplacer le liquide à distribuer vers l’ouverture et un organe de commande (9), tel qu’une molette, relié mécaniquement à l’unité d’entraînement pour contrôler l’entraînement de la pièce d’appui afin de régler la distribution du liquide.

Pompe pour solution chimique et dispositif d'administration de solution chimique.

La présente invention concerne une pompe (2) pour solution chimique comprenant un élément de maintien qui maintient une seringue (10) déchargeant une solution chimique en association avec le mouvement d'un piston (12), une unité d'entraînement (22) qui presse le piston (12) avec une force d'entraînement prédéterminée pour déplacer le piston (12) dans une première direction vers l'intérieur de la seringue (10), et un mécanisme d'ajustement (23) qui ajuste le mouvement du piston (12) de sorte que le piston (12) se déplace avec la force d'entraînement. Le mécanisme d'ajustement (23) applique une force auxiliaire au piston (12) dans une direction identique à la première direction, ou applique une force de réaction au piston (12) dans une seconde direction opposée à la première direction, conformément à la différence entre une force de résistance générée par le mouvement du piston (12) à l'intérieur de la seringue (10) et la force d'entraînement. L'invention concerne également un dispositif ...

Pompe pour solution chimique et dispositif d'administration de solution chimique.

La présente invention concerne une pompe (2) pour solution chimique, par exemple de l'insuline La pompe (2) comprenden piston (12) déplaçable le long d'un axe, une unité d'entraînement qui presse le piston (12) avec une force d'entraînement prédéterminée pour déplacer le piston (12) dans une première direction le long de l'axe, et un mécanisme d'ajustement (23) qui ajuste le mouvement, du piston (12) de sorte que l'unité fonctionnelle se déplace avec la force d'entraînement Le mécanisme d'ajustement (23) applique une force auxiliaire au piston (12) dans une direction identique à la première direction, ou applique une force de réaction au piston (12) dans une seconde direction opposée à la première direction, conformément à la différence entre une force de résistance générée par le mouvement du piston (12) et la force d'entraînement L'invention concerne également un dispositif d'administration de solution chimique (1) comprenant une telle pompe (2) ...

Pompe pour solution chimique et dispositif d'administration de solution chimique.

La présente invention concerne une pompe (2) pour solution chimique, par exemple de l'insuline. La pompe (2) comprenden piston (12) déplaçable le long d'un axe, une unité d'entraînement qui presse le piston (12) avec une force d'entraînement prédéterminée pour déplacer le piston (12) dans une première direction le long de l'axe, et un mécanisme d'ajustement (23) qui ajuste le mouvement, du piston (12) de sorte que l'unité fonctionnelle se déplace avec la force d'entraînement. Le mécanisme d'ajustement (23) applique une force auxiliaire au piston (12) dans une direction identique à la première direction, ou applique une force de réaction au piston (12) dans une seconde direction opposée à la première direction, conformément à la différence entre une force de résistance générée par le mouvement du piston (12) et la force d'entraînement. L'invention concerne également un dispositif d'administration de solution chimique (1) comprenant une telle pompe (2).

DRIVE MECHANISMS FOR PUMPS DRUG SUPPLY

PALM ACTIVATED DRUG DELIVERY DEVICE

DEVICE FOR CONTROL FLUID MEDIUM FLOW

DEVICE FOR DELIVERY OF MEDICINAL AGENTS, DRIVEN BY PALM

Infusion pump

DEVICE OF REGULATION OF FLOW IMPROVES FOR PERFUSEURS-TRANSFUSEURS

VARIABLE FLUIDIC RESISTOR DEVICE

MATERIAL KNOWN AS HAS POSITIVE PRESSURE TO AVOID the SYPHONING DURING the WITHDRAWAL Of a NEEDLE OF HUBER.

Delivery tip for use with syringe delivery devices used to deliver dental compositions, includes hub, cannula having a lumen, and a restriction portion within a hub passage

Embout de déchargement (52) conçu pour être utilisé avec un dispositif de déchargement de seringue, l'embout de déchargement (52) comprenant un pavillon (62) conçu pour coopérer avec une extrémité d'un dispositif de déchargement de seringue, l'embout (52) ayant une extrémité proximale, une extrémité distale (66) et un passage (70) qui s'étend à travers celui-ci ; une canule (68) montée à l'extrémité distale (66) du pavillon (62) et ayant une lumière (74) en communication de fluide avec le passage (70) du pavillon ; et une partie d'étranglement (76) à l'intérieur du passage (70) du pavillon ayant un diamètre inférieur au diamètre de la lumière (74) de la canule.

RE-INJECTION AND SAMPLING DEVICE Of a FLUID, INJECTOR AND NECESSARY OF TAKING AWAY ASSOCIATE

Ce dispositif comporte un corps creux (22) délimitant une cavité (40) de réception du fluide, la cavité de réception (40) débouchant par une ouverture proximale (46) et par au moins une ouverture distale (48) de prélèvement et/ou de réinjection et un piston (24), monté mobile dans la cavité de réception (40) pour obturer l'ouverture proximale (46). Le dispositif comporte un ensemble de distribution (26) sélective d'une partie proximale du fluide située dans la cavité de réception (40), l'ensemble de distribution (26) comportant un canal (70) de circulation de fluide ménagé à travers le piston (24), le canal de circulation (70) débouchant dans la cavité de réception (40).

A COMPUTER-IMPLEMENTED METHOD FOR CONTROLLING DISPENSING OF A BIOLOGICALLY ACTIVE AGENT, COMPUTER SYSTEM AND SOFTWARE THEREOF

MEDICAL FLUID INJECTOR HAVING BOLUS COUNTER

MEDICAL DEVICE FOR DELIVERING FLUID HAVING LOW FLOW RATE USING WINDING

PURPOSE: A medical device for delivering a fluid having a low flow rate to an internal portion of a patient's body is provided to achieve very low fluid flow rates through the use of a tightly, economically, cost-efficiently manufactured winding. CONSTITUTION: The medical device comprises: a main body having a proximal end, a distal end, and an opening in the proximal end; and an orifice mechanism(200) disposed at the distal end of the main body, communicating with the opening of the main body, and including an internal member(210) having a proximal end(205) and a distal end(207), and a winding(220) having a wire(222) helically wound around the internal member(210), the winding(220) and the internal member(210) defining a first channel(230), an inlet(234) and an outlet(236). © KIPO 2005 ...

FLOW RESTRICTING ORIFICE DEVICE HAVING MULTIPLE CHANNELS BETWEEN MULTIPLE COILED LAYERS FOR DRUG DELIVERY

MECHANICAL LIQUID PUMP

The invention relates to a mechanical liquid pump (1), especially for medical or nutritionally physiological liquids, and liquids used in the field of biology and in the laboratory. The following functional elements are mounted inside a housing (2) of one such pump: a closable access (21) for supplying the liquid, an extensible elastic element (16) for storing and dispensing the liquid supplied via the closable access, a device (-, 32) for largely maintaining and/or limiting the liquid volume flow dispensed from the elastic element, and an outlet (48) leading out of the housing. All of the relevant functional elements in one such pump are arranged in a functional unit, so that the pump simply has to be filled with liquid and the outlet connected, especially to a patient. The risk of defective operation of the pump is eliminated by the inventive embodiment. The inventive pump is small and compact.

DOSING MECHANISM

The invention relates to a dosing mechanism (5) for a fluid, comprising an inlet (8), an outlet (9), a dosing pipe (10) and two valve groups (A, B) with an inlet valve (A1, B1) and an outlet valve (A2, B2) each, wherein the inlet (8) is connected to both inlet valves (A1, B1) and the outlet (9) is connected to both outlet valves (A2, B2), wherein the inlet valve (A1) of one group (A) is arranged to connect the inlet (8) to a first end (10.1) of the dosing pipe (10) while the outlet valve (A2) of the same group (A) is arranged to connect the outlet (9) to a second end (10.2) of the dosing pipe (10), wherein the inlet valve (B1 ) of the other group (B) is arranged to connect the inlet (8) to the second end (10.2) of the dosing pipe (10) while the outlet valve (B2) of the same group (B) is arranged to connect the outlet (9) to the first end (10.1) of the dosing pipe (10), wherein control means are arranged to open only the valves (A1, A2, B1, B2) of one group (A, B) at a time thereby allowing ...

CONTROL DEVICE FOR A FLUID DELIVERY SYSTEM

The control device is used to control delivery of fluid from a fluid delivery system during a medical injection procedure. The fluid delivery system includes an injector adapted to actuate a syringe used to deliver the injection fluid to a patient. The control device is operatively associated with the injector for controlling discrete flow rates of injection fluid delivered to the patient. The control device includes a housing and an actuator associated with the housing. An electronic substrate is disposed within the housing and comprises a conductive pattern. The actuator is adapted for operative association with the conductive pattern. The conductive pattern includes a plurality of predetermined digital values corresponding to discrete flow rates of injection fluid to be delivered by the injector, such that when the actuator is actuated the actuator operatively associates with the conductive pattern for transmitting the digital values to the injector.

MEMS DEVICE FOR DELIVERY OF THERAPEUTIC AGENTS

An implantable device (200) for delivering a therapeutic agent to a patient is provided. The device includes a reservoir (390) configured to contain a liquid comprising the therapeutic agent. The device further includes a cannula (110) in fluid communication with the reservoir. The cannula has an outlet configured to be in fluid communication with the patient. The device further includes a first electrode and a second electrode, at least one of the first electrode and the second electrode is planar. The device further includes a material in electrical communication with the first and second electrodes. A voltage applied between the first electrode and the second electrode produces gas from the material, the gas forcing the liquid to flow from the reservoir to the outlet.

A COMPUTER-IMPLEMENTED METHOD FOR CONTROLLING DISPENSING OF A BIOLOGICALLY ACTIVE AGENT; COMPUTER SYSTEM AND SOFTWARE THEREOF

There is provided a computer-implemented method for controlling dispensing of at least one biologically active agent in intermittent doses over discrete predefined time periods, comprising the steps of: (i) initiating the dispensing of the biologically active agent in intermittent doses at a first background dosage rate; and (ii) adjusting to a background dosage rate according to the number of input signals received over each predefined time period from a signalling device.

Variable Rate Dispenser With Aseptic Spike Connector Assembly

A dispenser includes a container with an endwall and a cap covering the endwall. The cap has an aperture and a first film covering the aperture. A hood over the cap has a barrel defining a bore which is coaxially aligned with the aperture, a second film sealing the bore, and a gasket compressed behind the second film. A spike is carried for movement in the barrel between retracted and advanced positions. The dispenser has first and second conditions. In the first condition, the first and second films are against each other and seal the aperture and barrel, and in the second condition, the first and second films are away, unsealing the aperture and the barrel. When the dispenser is in the second condition and the spike moves from the retracted position to the advanced position, the spike pierces the endwall.

Method for delivery of therapeutic substances

A method for transitioning between therapeutic substances to be delivered at different flow rates to a patient. The first therapeutic substance is delivered to the patient at a known flow rate, a bridge duration equal to the known volume divided by the known flow rate is calculated; and the flow rate is controlled following introduction of a second therapeutic substance into the reservoir. If the second flow rate is lower than the first flow rate, delivery is begun of at least one of the first therapeutic substance and the second therapeutic substance at the second flow rate at least as soon as the bridge duration is over. If the second flow rate is higher than the first flow rate, delivery is begun of the at least one of the first therapeutic substance and the second therapeutic substance at the second flow rate at least as late as when the bridge duration is over.

Multi stage type flow rate switching device

A multi stage type flow rate switching device is provided which simplifies switching of flow paths and which rarely causes erroneous operation. The multi stage type flow rate switching device includes a liquid medicine flow inlet port 1 having branch paths 11, 12 and 13 on a downstream side, a liquid medicine flow outlet port 2 having branch paths 21, 22 and 23 on an upstream side and constant flow rate paths 31, 32 and 33 for connecting respective branch paths, and arranged in a housing 4 comprising a lid 41 and a housing main body 42. In the housing 4, there is provided clamping means 5 capable of selectively blocking the constant flow rate paths 31, 32 and 33.

Implantable refillable and ported controlled release drug delivery device

An implantable, refillable, rate controlled drug delivery device is disclosed that includes a base structure having at least a first opening and a second opening, the base structure defining a chamber, a septum covering the first opening and configured to substantially prevent leakage from the first opening to an exterior of the device, a drug delivery tube comprising a first and second distal end, wherein the first distal end of the tube communicates with the chamber through the second opening, and at least one rate-limiting permeable membrane disposed across a passage between the base structure and the second distal end of the drug delivery tube, which membrane passively regulates drug delivery. The drug delivery device is used to provide controlled drug delivery to an internal portion of the body and is advantageously leak-proof and does not rely on a pressure differential to drive the drug from the device.

Fluid access and flow control valve

A flow control valve is described comprised of first and second rigid members and a resilient single or multi stage valve element disposed between the rigid members. A fluid flow path is defined through the rigid members and through or around the valve element to provide a continuous flow path through the valve. The rigid members are movable relative to each other between a first position and a second position. The valve element is sufficiently compressed by the rigid members when they are in the first position so as to close the flow path through or around the valve element. The valve element is sufficiently relaxed when the rigid members are in the second position to allow fluid flow through the flow path through or around the valve element.

Variable rate infusion apparatus with indicator and adjustable rate control

An apparatus for accurately infusing medicinal agents into an ambulatory patient at specific rates over extended periods of time. The apparatus is of a compact, low profile, laminate construction and includes an elastic distendable membrane, chamber having a fluid outlet. Disposed within the fluid chamber is a thin fluid permeable member which precisely controls the rate of fluid flow through the fluid outlet. The apparatus also includes a highly novel fluid flow indicator that provides a readily discernible visible indication of fluid flow through the apparatus. Additionally, the apparatus includes a fill assembly comprising a prefilled vial that can be used to fill the fluid reservoir of the device with a selected medicinal fluid.

Automatic Catheter Recognition and Associated Methods, Systems and Circuits

Disclosed is a medical device for pumping fluid through a conduit, the pump including: one or more sensors to detect a parameter associated with the fluid; a circuit to (a) receive from the sensor a first signal indicative of one or more characteristics associated with the fluid; and (b) to determine if an occlusion is indicated based on a signal analysis of the first signal.

SLIDING SYRINGE CAP FOR SEPARATE FILLING AND DELIVERY

A cap for intake and delivery of a fluid from a syringe is described. The cap includes an outer cap assembly comprising a fluid inlet path and a fluid outlet path and an inner cap assembly configured for innertion into a fluid nozzle of the syringe and to provide selective fluid communication between an interior of a syringe and the fluid inlet path or the fluid outlet path. The outer cap assembly is slidable relative to the inner cap assembly between a first filling position, where the interior of the syringe is in fluid communication with the fluid inlet path, and a second delivery position, where the interior of the syringe is in fluid communication with the fluid outlet path. The outer cap may further slide, relative to the inner cap assembly, to a third closed position where the interior of the syringe is fluidly isolated from the fluid inlet path and the fluid outlet path. Syringes including the cap are also described.

Assemblies, Systems and Methods for Programming Medical Devices

The present invention relates to medical device programming assemblies, systems and methods for programming a medical treatment parameter on a medical device, via a programming key. The programming key may be adapted to mate with the medical device which comprises a programmable, non-transitory, computer readable storage device. The storage device comprises a data connector which is configured to mate with a corresponding data connector on the medical device. The storage device may be affixed to a fastener coupling configured to mate with a corresponding coupling on the medical device when the data connector is brought into proximity with the corresponding data connector on the medical device. The programming key is configured to occupy a space formed within the medical device when the data connector and fastener coupling are mated with the corresponding data connector and fastener coupling of the medical device.

SYSTEM FOR MONITORING DOSE PATTERN AND PATIENT RESPONSE

A method for tracking dose pattern and patient response may include determining, based at least on one or more dose events at a pump configured to deliver a medication to a patient, a dose pattern for delivering the medication to the patient. One or more vital signs associated with the patient may be received from a patient monitor. A presence of one or more anomalies may be determined based at least on the dose pattern at the pump and the one or more vital signs of the patient. An electronic alert may be sent to a mobile device in response to determining the presence of the one or more anomalies. Related methods and articles of manufacture, including apparatuses and computer program products, are also disclosed.

Electrochemical actuator

The present invention provides systems, devices, and related methods, involving electrochemical actuation. In some cases, application of a voltage or current to a system or device of the invention may generate a volumetric or dimensional, change, which may produce mechanical work. For example, at least a portion of the system may be constructed and arranged to be displaced from a first orientation to a second orientation. Systems such as these may be useful in various applications, including pumps (e.g., infusion pumps) and drug delivery devices, for example.

FLUID DELIVERY APPARATUS WITH FLOW INDICATOR AND VIAL FILL CONTROL

This invention is an apparatus for accurately infusing medicinal agents into an ambulatory patient at specific rates over extended periods of time. The apparatus is of a compact, low profile, laminate construction, and includes an elastic distensible membrane (40), chamber (50) having a fluid outlet (52). Disposed within the fluid chamber (50) is a thin fluid permeable member which precisely controls the rate of fluid flow through the fluid outlet (52). The apparatus also includes a highly novel fluid flow indicator (36) that provides a readily discernible visible indication of fluid flow through the apparatus. Additionally, the apparatus includes a fill assembly (49) comprising a pre-filled vial that can be used to fill the fluid reservoir (50) of the device with a selected medicinal fluid.

SLIDING FLOW CONTROLLER HAVING CHANNEL WITH VARIABLE SIZE GROOVE

A sliding flow controller for controlling flow through a pumping segment (10) used in a fluid delivery system. The flow controller includes a slider (18) that travels along a channel defined by an elastomeric membrane (12) and a variable size groove (60) formed in a rigid component. The slider includes a projecting ball (20) that presses the membrane (12) against the groove (60). At one end, the groove (60) has a maximum cross-sectional area for a maximum flow position and at another end, the groove (60) has no cross-sectional area for a flow stop position. The slider and the pumping segment have respective click stops (80, 314) to impart sensory feedback to the operator when manually operated. A ramped thumb indentation (79) is provided on the exterior of the slider to facilitate sliding movement.

LOCKING MECHANISM FOR ROLLER CLAMP

Resetting mechanism for a drug delivery device

A resettable dose setting mechanism for a drug delivery device comprising a driver for driving a spindle of the drug delivery device is provided. Said driver comprises a first component and a second component rotationally coupled to said first component. During resetting of said drug delivery device, said first component is rotationally decoupled from said second component.

Medical fluid injection system

One embodiment provides a method of using contextual lighting to assist a user of a medical fluid injection system. In this embodiment, the method includes providing a lighted display in proximity to a component of the injection system during setup of the medical fluid injection system. If the user has properly performed a setup function that is associated with the component of the injection system, the method further comprises providing a first visual indication on the lighted display. If the user has not properly performed the setup function that is associated with the component of the injection system, the method further comprises providing a second visual indication on the lighted display.

Sterile fluid pathway connection to drug containers for drug delivery pumps

A user-initiated fluid pathway connection includes: a connection hub, a piercing member, a sterile sleeve, and a drug container having a cap, a pierceable seal, a barrel, and a plunger seal, wherein the piercing member is initially retained within the sterile sleeve between the connection hub and the pierceable seal of the drug container. The connection hub may include an internal aperture within the connection hub which functions as a flow restrictor and wherein a piercing member is connected to one end of the internal aperture and a fluid conduit is connected to another end of the internal aperture. A drug delivery pump with integrated sterility maintenance features includes a housing, upon which an activation mechanism, an insertion mechanism, a fluid pathway connection as described above, a power and control system, and a drive mechanism connected to a drug container are mounted. Methods of assembly and operation are also provided.

Device for sampling and reinjecting a fluid, and related injector and sampling kit

A device includes a hollow body delimiting a cavity for receiving the fluid, which cavity opens in a proximal opening and at least one distal opening for sampling and/or reinjection and a piston movably mounted in the receiving cavity to obturate the proximal opening. The device includes an assembly for selective distribution of a proximal part of the fluid located in the receiving cavity, including a fluid circulation channel that passes through the piston, which channel opens into the receiving cavity. The circulation channel and/or a distribution channel is able to cooperate or to communicate with an additional flow regulation device which can be manually actionable.

Microfluidic device, microfluidic dosing system and method for microfluidic flow measurement and dosing

A microfluidic device for detecting a flow parameter, includes a channel configured within a base body, the channel including a first inlet for feeding a first fluid and a second inlet for feeding a second fluid so as to form a fluid stream having the first and second fluids within the channel, and further including an output for providing the fluid stream on the output side, a first feeder including a micropump associated with the first inlet for selectively feeding the first fluid to the channel, a second feeder associated with the second inlet for feeding the second fluid to the channel; and a detector for detecting, on the basis of a different physical property of the first fluid and the second fluid within the channel, a measurement value dependent on a current flow parameter of the first or second fluid.

Wireless strain gauge/flow sensor

A flow rate sensor is provided in a wireless, leadless package. The flow rate sensor includes a MEMs sensor coupled to an ASIC and an antenna. The flow rate sensor is powered by radiation received from a control module adjacent the flow rate sensor. The flow rate sensor is placed within a fluid and monitors the flow rate of the fluid. The control module is not in the fluid and receives flow rate data from the flow rate sensor.

Systems and Methods for Infusion of Fluids Using Stored Potential Energy and a Variable Flow Resistor

Systems and methods for infusion of fluids using stored potential energy and a variable flow resistor. In one aspect of the present disclosure, there is provided an infusion device that includes a plunger situated within a vessel so as to define a chamber within which a volume of fluid can be accommodated between a downstream surface of the plunger and the vessel. The infusion device further includes an outflow path through which the fluid in the chamber can be dispensed upon displacement of the plunger by a force acting thereon. A variable flow resistor is situated within the outflow path and is configured to allow a substantially constant fluid flow rate from the vessel to be maintained as the force acting on the plunger decreases. 1. A pressure regulator comprising:an inlet cavity;a housing in communication with the inlet cavity;a plunger movably disposed within the housing;an outflow cavity defined between a surface of the plunger and the housing;a channel for fluid communication between the inlet cavity and the outflow cavity, so as to maintain equilibrium of forces acting on each side of the plunger; andan outlet through which the fluid can be dispensed from the outflow cavity.217. The pressure regulator of claim further comprising a feedback loop so as to modify the flow of fluid between the inlet cavity and the outlet cavity to maintain equilibrium of forces acting on each side of the plunger.317. The pressure regulator of claim further comprising a mechanism that acts to exert a force on the plunger to maintain the plunger substantially stationary in an equilibrium position.417. The pressure regulator of claim , wherein the channel includes a cannula having one set of perforations in communication with the inlet cavity and a second set of perforations in communication with the outflow cavity , so as to allow the fluid to flow from the inlet cavity into the outflow cavity. This application is a divisional patent application of U.S. patent application Ser. No ...

FEEDING SET AND ENTERAL FEEDING PUMP ASSEMBLY

In some embodiments, apparatuses and methods are provided herein useful to provide fluid nutrition and hydration. In one illustrative example, a feeding set for use with a peristaltic enteral feeding pump has sections of flexible tubing or conduit, a dispensing control valve that is in fluid communication with the tubing, and a retention disk. In some configurations, the feeding set has as attachment mechanism, which may be formed by one clips or hooks extending from the dispensing control valve and coupling geometry of the retention disk. By some approaches, the clips or hooks and the coupling geometry are configured to attach the feeding set with the pump, such as by attaching the feeding set to an internal panel of the feeding pump. In operation, the feeding set and pump are used to move fluid nutrition and hydration from a container or bag to the patient in a controlled manner. 1. A feeding set comprising:a dispensing control valve sized for placement within an enteral feeding pump and configured to releasably engage a first retention portion of the enteral feeding pump;a peristaltic tubing element fluidly connected to an exit of the dispensing control valve, the peristaltic tubing being elastomeric; andan attachment mechanism configured to releasably engage a second retention portion of the enteral feeding pump;wherein the peristaltic tubing element is sized to be placed under tension and for said peristaltic tubing element to be retained with respect to the pump via tension when the dispensing control valve engages the first retention portion of the enteral feeding pump and the attachment mechanism engages the second retention portion of the enteral feeding pump.2. The feeding set of claim 1 , wherein the attachment mechanism comprises a retention disk and the peristaltic tubing element pulls the retention disk upward toward the dispensing control valve in an assembled claim 1 , installed configuration.3. The feeding set of claim 2 , further comprising:a ...

MEMS DEVICE AND METHOD FOR DELIVERY OF THERAPEUTIC AGENTS

Embodiments of an implantable device for delivering a therapeutic agent to a patient include a reservoir configured to contain a liquid comprising the therapeutic agent, and a cannula in fluid communication with the reservoir. When a predetermined cracking pressure is reached, a valve opens and allows the liquid to flow through the cannula. 1. An implantable electrolytic pump comprising:a drug chamber for containing a liquid to be administered;a cannula in fluid communication with the drug chamber;an electrolysis chamber comprising first and second electrodes and circuitry for activating the electrodes and thereby causing a pressure in the drug chamber to change; anda valve having a predetermined cracking pressure, wherein the liquid is forced from the drug chamber through the cannula when the pressure in the drug chamber exceeds the predetermined cracking pressure.2. The pump of claim 1 , wherein the cannula is configured for fluid communication with the anterior or posterior chamber of the human eye.3. The pump of claim 1 , wherein the predetermined cracking pressure of the valve is within the range of 6 psia to 30 psia.4. The pump of claim 1 , wherein the predetermined cracking pressure of the valve is within the range of 6 psia to 15 psia.5. The pump of claim 1 , wherein the valve has a predetermined closing pressure at which the liquid ceases to be forced through the cannula.6. The pump of claim 5 , wherein the predetermined closing pressure is less than the predetermined cracking pressure.7. The pump of claim 1 , wherein the valve has a predetermined breakdown pressure below which liquid is forced into the drug chamber.8. The pump of claim 1 , further comprising a normally open valve that closes when the fluid pressure in the cannula exceeds a predetermined threshold pressure value greater than the fluid pressure outside the cannula.9. The pump of claim 8 , wherein the predetermined threshold value of the normally open valve claim 8 , is within the range of 2 ...

SYSTEM AND METHOD FOR CLOSED-LOOP PATIENT-ADAPTIVE HEMODYNAMIC MANAGEMENT

A system and method for patient-adaptive hemodynamic management is described. One embodiment includes a system for hemodynamic management including transfusion, volume resuscitation with intravenous fluids, and medications, utilizing monitored hemodynamic parameters including the described dynamic predictors of fluid responsiveness, and including an intelligent algorithm capable of adaptation of the function of the device to specific patients. 1. A computer-implemented method for providing clinical decision support relating to the administration of fluid to a patient , the method comprising:determining a first effect on a physiologic parameter of the patient associated with administration of a first fluid bolus to the patient;storing, using a processor, first information relating to the first effect in a first bolus log entry;determining a second effect on the physiologic parameter of the patient associated with administration of a second fluid bolus to the patient;storing, using a processor, second information relating to the second effect in a second bolus log entry; andproviding, using the processor, a fluid administration recommendation based at least in part upon at least one of the first bolus log entry and the second bolus log entry.2. A computer-implemented method for providing clinical decision support relating to the administration of fluid to a patient , the method comprising:receiving bolus log information relating to one or more effects on a state of the patient associated with prior administration of fluid to the patient;determining, using a processor and based upon the bolus log information, a predicted change in a physiologic parameter of the patient in response to the administration of a fluid bolus to the patient; andproviding, using the processor, a fluid administration recommendation based upon the predicted change.3. A computer-implemented method for facilitating the administration of fluid to a patient , the method comprising:receiving bolus ...

Sterile Fluid Pathway Connection to Drug Containers for Drug Delivery Pumps

A user-initiated fluid pathway connection includes: a connection hub, a piercing member, a sterile sleeve, and a drug container having a cap, a pierceable seal, a barrel, and a plunger seal, wherein the piercing member is initially retained within the sterile sleeve between the connection hub and the pierceable seal of the drug container. The connection hub may include an internal aperture within the connection hub which functions as a flow restrictor and wherein a piercing member is connected to one end of the internal aperture and a fluid conduit is connected to another end of the internal aperture. A drug delivery pump with integrated sterility maintenance features includes a housing, upon which an activation mechanism, an insertion mechanism, a fluid pathway connection as described above, a power and control system, and a drive mechanism connected to a drug container are mounted. Methods of assembly and operation are also provided. 1. A fluid pathway connection comprising: a barrel having a proximal end and a distal end,', 'a pierceable seal disposed at the proximal end of the barrel, and', 'a cap disposed at the proximal end of the barrel,, 'a drug container having'}a piercing member,a fluid conduit,a connection hub, the piercing member being connected to the connection hub, anda sterile sleeve, one end of the sterile sleeve being fixedly coupled to the connection hub and the opposing end being fixedly coupled to the proximal end of the drug container, the piercing member being disposed within the sterile sleeve between the connection hub and the pierceable seal of the drug container in an initial unactivated position,wherein the pierceable seal and the connection hub are adapted for relative movement between the initial unactivated position wherein the piercing member does not pierce the pierceable seal, and an activated position wherein the piercing member extends through the seal, andwherein the sterile sleeve being compressible or collapsible and adapted to ...

WEARABLE MEDICAL DEVICE FOR MONITORING INTRAVENOUS INJECTION

A wearable medical device comprising an annular housing configured to attach to a wrist of a patient. The wearable medical device having a first receptacle attached to the annular housing for receiving a first portion of a tube of an intravenous delivery system. The wearable medical device comprising a flow regulator attached to the annular housing and in contact with the first portion of the tube, where the flow regulator is configured to modify a geometric characteristic of the first portion of the tube. The wearable medical device further comprising a wireless transmitter for communicating with a user console. 1. A computer-implemented method comprising:establishing, by a wearable medical device, wireless communication between the wearable medical device, an intravenous delivery system, a user console, and a plurality of biometric sensors, wherein the plurality of biometric sensors are configured to measure biometric characteristics of a patient;receiving authorization, at the wearable medical device and from the user console, for a medication to be delivered intravenously via the intravenous delivery system to the patient, wherein the medication is associated with a drug type, a volume, and a flow rate; 'modifying, by the wearable medical device, a geometric characteristic of a tube of the intravenous delivery system; and', 'metering, by the wearable medical device, the volume of the medication to the intravenous delivery system at the flow rate, wherein metering the volume at the flow rate comprisessending, by the wearable medical device and to the user console, an indication that the medication is delivered to the patient in response to metering the volume of the medication to the intravenous delivery system.2. The method according to claim 1 , further comprising:detecting, by the wearable medical device, an adverse reaction based on updated biometric data collected from the biometric sensors; andsending, by the wearable medical device, an alert to the user ...

MEDICAL PUMP, MEDICAL PUMP SYSTEM, AND METHOD FOR CONTROLLING MEDICAL PUMP SYSTEM

Provided is a medical pump for achieving continuous administration of a medicine by performing sequential driving with another medical pump. The medical pump includes: a pump driving unit for administering the medicine in accordance with a setting; a communication unit for performing communication between the other medical pump; a control unit for controlling individual driving of the pump driving unit and the communication unit; and an operation unit connected to the control unit. In a single administration period, the control unit judges a timing of starting cooperative administration of simultaneously driving the pump driving unit together with a pump driving unit of the other medical pump on the basis of the setting and on the basis of an input from the operation unit. 1. A medical pump comprising:a pump driving unit that administers a medicine in accordance with a setting associated with the medicine;a communication unit that performs communication between the medical pump and a second medical pump;a control unit that controls the pump driving unit and the communication unit; andan operation unit in communication with the control unit, wherein the operation unit controls the administration of medicine by the medical pump and the second medical pump, and wherein, during the continuous administration of the medicine by the medical pump and then the second medical pump, the control unit determines when to start a cooperative administration period for administering the medicine with the first medical pump and the second medical pump by concurrently driving the pump driving unit and a second pump driving unit of the second medical pump based on the setting and a manual input received from the operation unit.2. The medical pump according to claim 1 , further comprising a display unit configured to display start information for starting the cooperative administration period by the manual input received from the operation unit.3. The medical pump according to claim 2 , ...

APPLICATION DEVICE FOR A FLUID DELIVERY APPARATUS AND METHOD OF USE

An application device for a fluid delivery includes a housing having a bore extending from a bottom of the housing. The bore is sized and shaped for receiving at least a portion of the fluid delivery apparatus. The application device also includes an impact component for impacting the fluid delivery apparatus and moving at least a portion of the fluid delivery apparatus towards a user's skin. The application device includes a safety arm that is positionable relative to the impact component between a locked configuration in which the impact component is secured in a safety position, and a released configuration in which the impact component is free to move within the housing for impacting the fluid delivery apparatus. 1. An application device for a fluid delivery apparatus , the application device comprising:a housing having a bore extending from a bottom of the housing, the bore being sized and shaped for receiving at least a portion of the fluid delivery apparatus therein;an impact component for impacting the fluid delivery apparatus and moving at least a portion of the fluid delivery apparatus towards a users skin; anda safety arm positionable relative to the impact component between a locked configuration in which the impact component is secured in a safety position, and a released configuration in which the impact component is free to move within the housing for impacting the fluid delivery apparatus,wherein the housing further comprises a retention member for securing the impact component in the safety position, the retention member being a body that extends radially inward from the bore.2. The application device in accordance with further comprising a safety arm biasing device configured to bias the safety arm in the locked configuration.3. The application device in accordance with further comprising an impact component biasing device configured to bias the impact component relative to the housing.4. The application device in accordance with claim 3 , wherein ...

CAPACITOR DETECTION FOR IV PUMP TUBE CALIBRATION

A system and method for calibrating an IV pump infusion system tube comprises a fluid source, an infusion system comprising, an IV pump, a drive unit, a chamber with known constant volume, a control unit, and IV tubing with a known inner diameter tolerance, and a set of conductive plates. The system administers medicinal fluid, calculates the flow rate of the medicinal fluid in the chamber by measuring the time the capacitance level of the medicinal fluid changes from a capacitance level corresponding to a first (initial) position to a capacitance level corresponding to a second (filled) position, compares the calculated flow rate with a set flow rate of the IV pump input in the control unit prior to infusion, and adjusts the IV pump and flow rate based on the compared deviations for more accurate delivery to a patient. This configuration may therefore provide a more precise delivery rate. 1. A calibration system for an IV pump infusion , comprising:a chamber with constant volume comprising an inlet and an outlet, and is configured to allow the medicinal fluid to enter via the inlet and exit via the outlet;two or more conductive plates coupled to the chamber and configured to measure the amount of time the medicinal fluid changes in capacitance level from a first capacitance level corresponding to an first position of the medicinal fluid in the chamber to a second capacitance level corresponding to a second position of the medicinal fluid in the chamber, and transmit this measurement to an IV pump control unit.2. The calibration system according to claim 1 , wherein the conductive plates are coupled between the first position and the second position claim 1 , and further configured to detect capacitance levels as the medicinal fluid rises.3. The calibration system according to claim 2 , wherein the control unit is further configured to convert the detected capacitance levels into electric signals and compare the electric signals with reference signals corresponding ...

REED SWITCH DETECTION FOR IV PUMP TUBE CALIBRATION

A system and method for calibrating an IV pump infusion system tube comprises a fluid source, an infusion system comprising, an IV pump, a drive unit, a chamber with known constant volume, a control unit, and IV tubing with a known inner diameter tolerance, and a switch and magnetic floating object. The system administers medicinal fluid, calculates the flow rate of the medicinal fluid in the chamber by measuring the time the switch is activated as medicinal fluid rises in the chamber, compares the calculated flow rate with a set flow rate of the IV pump input in the control unit prior to infusion, and adjusts the IV pump and flow rate based on the compared deviations for more accurate delivery to a patient. This configuration may provide a more precise delivery rate of medicinal fluid, preventing harm to the patient and waste of medicine. 1. A calibration system for an IV pump infusion , comprising:a chamber with constant volume comprising an inlet and an outlet, and is configured to allow medicinal fluid to enter via the inlet and exit via the outlet;a magnetic floating detection object configured to float in the medicinal fluid;a switch coupled to the chamber and configured to measure the amount of time the medicinal fluid rises from a first position in the chamber up to a second position based on the amount of time the magnetic floating detection object rises in the medicinal fluid, and transmit the measurement to an IV pump control unit.2. The calibration system according to claim 1 , wherein the switch is a reed switch and is coupled between the first position and the second position claim 1 , and further configured to continuously detect a magnetic force of the magnetic floating detection object as it passes the first position and completely passes the second position when the medicinal fluid rises.3. The calibration system according to claim 1 , wherein the first position corresponds to a bottom portion of the switch along the chamber claim 1 , and the ...

VISUAL DETECTION FOR IV PUMP TUBE CALIBRATION

A system and method for calibrating an IV pump infusion system tube comprises a fluid source, an infusion system comprising, an IV pump, a drive unit, a chamber with known constant volume, a control unit, and IV tubing with a known inner diameter tolerance, and a sensor and floating detection object. The system administers medicinal fluid, calculates the flow rate of the medicinal fluid in the chamber by measuring the time the floating detection object and medicinal fluid rises in the chamber, compares the calculated flow rate with a set flow rate of the IV pump input in the control unit prior to infusion, and adjusts the IV pump and flow rate based on the compared deviations for more accurate delivery to a patient. This configuration may provide a more precise delivery rate of medicinal fluid, preventing harm to the patient and waste of medicine. 1. A calibration system for IV pump infusion , comprising:a chamber with constant volume comprising an inlet and an outlet, and is configured to allow medicinal fluid to enter via the inlet and exit via the outlet;a floating detection object configured to float in the medicinal fluid;a sensor coupled to the chamber and configured to measure the amount of time the medicinal fluid rises from an first position in the chamber up to a second position based on the amount of time the floating detection object in the medicinal fluid rises, and transmit this measurement to an IV pump control unit.2. The calibration system according to claim 1 , wherein the sensor is coupled between the first position and the second position claim 1 , and further configured to continuously detect the floating detection object as it passes the first position and completely passes the second position when the medicinal fluid rises.3. The calibration system according to claim 1 , wherein the sensor is a visual image sensor and is further configured to detect a specific color or shape and the floating detection object is an object having the specified ...

METHODS AND SYSTEMS FOR DELIVERING MATERIAL TO A BODY PART

Certain aspects of the present disclosure provide a surgical system comprising a fluid output device capable of connecting to a syringe comprising a material for delivery to a body part through a cannula connected to the syringe and a controller configured to adjust a pressure of the fluid output to enable a controlled delivery of the material within the syringe at a target flow rate. 1. A surgical system comprising:a fluid output device capable of connecting to a syringe comprising a material for delivery to a body part through a cannula connected to the syringe; anda controller configured to adjust a pressure of the fluid output device to enable a controlled delivery of the material to the body part at a target flow rate.2. The surgical system of claim 1 , wherein the controller configured to adjust the pressure further comprises the controller configured to:receive input from a delivery initiation element that indicates the target flow rate at a certain time;identify a corresponding pressure for the target flow rate based on a state of a property of the material at the certain time; andapply the corresponding pressure to achieve the target flow rate.3. The surgical system of claim 1 , wherein the controller is configured to adjust the pressure of the fluid output device based on a viscosity of the material.4. The surgical system of claim 3 , wherein the controller is configured to adjust the pressure with time based on a function corresponding to a change in the viscosity of the material with time.5. The surgical system of claim 1 , wherein the controller is configured to keep the target flow rate constant during the controlled delivery of the material to the body part.6. The surgical system of claim 1 , wherein the controller is further configured to terminate the delivery when at least one of a certain time threshold is reached claim 1 , a viscosity threshold corresponding to a viscosity of the material is reached claim 1 , or the pressure reaches a certain ...

CLOCK MECHANISM FLOW REGULATOR

An automatic injection device with flow regulation. The automatic injection device has an insertion needle configured to be inserted into a patient and a drug container which contains a pharmaceutical product and includes a plunger. The automatic injection device also has a fluid path which fluidly connects the drug container to the patient via an insertion device, a potential energy source, and a regulator configured to restrict release of potential energy and restrict linear movement of the plunger and pharmaceutical product into the fluid path at a proscribed pace. The regulator includes a clock escapement mechanism. The potential energy source may be a spring that surrounds the drug container and may be magnetically coupled to the plunger. The clock escapement mechanism is configured to control the spring at a regulated rate over a time interval using a gearbox and rotational-to-linear translator comprising a rack and pinion. 1. An automatic injection device , comprising:a drug container which contains a pharmaceutical product, the drug container including a plunger;a fluid path which connects the drug container to a patient via an insertion device;a movable element configured to move the plunger and force the pharmaceutical product into the fluid path; a mechanical coupling to the plunger,', 'a gearbox comprising at least one set of gears, and', 'a linear translator comprising a rack and pinion; and, 'a regulator comprisinga potential energy source configured to release potential energy;wherein the regulator is configured to restrict release of the potential energy from the potential energy source over a proscribed period of time.2. The automatic injection device of claim 1 , wherein the regulator further comprises:a clock escapement mechanism comprising a pallet and an escape wheel gear configured to restrict a regular periodic movement by a fixed amount that restricts release of the potential energy over a time interval.3. The automatic injection device of ...

WIRE AND PULLEY CLOCK MECHANISM FLOW REGULATOR

An automatic injection device with flow regulation. The automatic injection device has an insertion needle configured to be inserted into a patient and a drug container which contains a pharmaceutical product and includes a plunger. The automatic injection device also has a fluid path which fluidly connects the drug container to the patient via an insertion device, a potential energy source, and a regulator configured to restrict release of potential energy and restrict linear movement of the plunger and pharmaceutical product into the fluid path at a proscribed pace. The regulator includes a clock escapement mechanism and a wire and pulley system including a wire coupled to at least one pulley. The potential energy source may be a spring that surrounds the drug container and may be directly coupled to the plunger and the wire such that movement of the spring and the wire is restricted over time. 1. An automatic injection device , comprising:a drug container which contains a pharmaceutical product, the drug container including a plunger and a potential energy source configured to release potential energy;a fluid path which connects the drug container to a patient via an insertion device; and a gearbox comprising at least one set of gears, and', 'a wire coupled to at least one pulley and further coupled to the gearbox and the potential energy source;, 'a regulator comprisingwherein the regulator is configured to restrict release of the potential energy from the potential energy source over a proscribed period of time.2. The automatic injection device of claim 1 , wherein the regulator further comprises:a clock escapement mechanism comprising a pallet and an escape wheel gear configured to restrict a regular periodic movement of the potential energy source by a fixed amount that restricts release of the potential energy over a time interval.3. The automatic injection device of wherein the clock escapement mechanism further comprises a balance wheel.4. The automatic ...

Flow Meter

A system for regulating fluid flow having a processor configured to reduce image noise is provided. The system includes an image sensor to capture an image of the drip chamber and a valve to regulate the fluid flowing from the drip chamber to a patient. The processor captures the image of the drip chamber using the image sensor, performs an edge detection on the image to generate a first processed image, and performs an AND-operation on a pixel on a first side of an axis of the first processed image with a corresponding mirror pixel on a second side of the axis of the first processed image to generate a second processed image. 1. A system for regulating fluid flow having a processor configured to reduce image noise , the system comprising:an image sensor configured to capture an image of a drip chamber; and capture the image of the drip chamber using the image sensor,', 'perform an edge detection on the image to generate a first processed image, and', 'perform an AND-operation on a pixel on a first side of an axis of the first processed image with a corresponding mirror pixel on a second side of the axis of the first processed image to generate a second processed image., 'a valve configured to regulate fluid flowing from the drip chamber to a patient, wherein the processor is configured to2. The system according to claim 1 , wherein the edge detection is performed using a canny edge detection.3. The system according to claim 1 , wherein the processor is configured to match a template to the image.4. The system of claim 3 , wherein the template includes at least a partial image of a drop of the fluid forming within the drip chamber.5. The system of claim 1 , wherein the processor is configured to apply a blurring function to the image captured by the image sensor of the drip chamber.6. The system according to claim 5 , wherein the blurring function is a low pass filter.7. The system according to claim 5 , wherein the blurring function is configured to blur in a ...

Method and system for dose rate regulation in drug infusion treatment

A system for drug delivery by infusion is disclosed where the concentration of the drug solution withdrawn from a drug container ( 1, 2 ) to be delivered to the patient ( 8 ) according to a predetermined dose rate protocol for the drug is repeatedly analyzed during the infusion, and the concentration data obtained are used to continuously control the infusion rate to at least substantially maintain the predetermined dose rate. A method for drug delivery by infusion is also disclosed.

POWER PACK FOR AN AUTOINJECTOR

A power pack, for use in an autoinjector to deliver a drug from a container at an injection rate includes a power pack body configured to hold a liquefied gas and a flow regulator, the power pack body further including at least one outlet through which some of the liquefied gas can exit the power pack in a gaseous state such that, during use, the flow regulator will control a rate of exit flow such that the liquefied gas in the canister is maintained at substantially its vapor pressure, while the gas leaving the outlet applies an adaptively changing force to the drug in the container so that delivery of the drug will occur at about a constant injection rate. 1. A power pack for use in an autoinjector to deliver a drug from a container at an injection rate , the power pack comprising: i) the adaptive force will be constant at a constant injection rate,', 'ii) the adaptive force will increase, if the injection rate slows to below the constant injection rate, and', 'iii) the adaptive force will decrease, as the injection rate increases from below the constant injection rate towards the constant injection rate., 'a power pack body having a canister therein configured to hold a liquefied gas, and a flow regulator, the power pack body further including at least one outlet through which some of the liquefied gas in the canister can exit the power pack in a gaseous state such that, during use, the flow regulator will control a rate of exit flow so that the liquefied gas in the canister is maintained at substantially its vapor pressure, while the gas leaving the outlet applies an adaptive force to the drug in the container in a controlled manner such that2. The power pack of claim 1 , wherein the liquefied gas is a propellant.3. The power pack of claim 2 , wherein the propellant includes a hydrocarbon.4. The power pack of claim 1 , wherein claim 1 , prior to use claim 1 , the liquefied gas occupies about 50% of the canister's volume.5. The power pack of claim 2 , wherein ...

TITRATION FOR MEDICAL INFUSION DEVICES AND SYSTEMS

Titration schemes are carried out by medical infusion devices, such as ambulatory or implantable infusion devices. The titration schemes carried out by infusion systems and devices may take into account patient side effects in controlling the rate at which a medicament is delivered from the devices of systems. 1. A medical infusion device , comprising:a reservoir for housing a liquid composition comprising a medicament;a pump mechanism configured to drive the liquid composition from the reservoir to a patient;input apparatus configured to receive input indicative of a patient side effect of the medicament; andcontrol electronics operably coupled to the pump mechanism and to the input apparatus, (a) cause the pump mechanism to drive the liquid composition from the reservoir to the patient for a predetermined period of time at a rate increased relative to a preceding rate if no input indicative of a patient side effect has been received during a period of time in which the pump mechanism drove the liquid composition from the reservoir to the patient at the preceding rate; and', '(b) repeat step (a) until a maximum predetermined rate has been achieved or until input indicative of a patient side effect is received., 'wherein the control electronics are configured to2. The medical infusion device of claim 1 , wherein claim 1 , if input indicative of a patient side effect is received claim 1 , the control electronics are further configured to cause the pump mechanism to drive the liquid composition from the reservoir to the patient at a rate decreased relative to a rate in a time period in which the input indicative of a patient side effect is received.3. The medical infusion device of claim 2 , where the control electronics are further configured to:(c) cause the pump mechanism to drive the liquid composition from the reservoir to the patient for a predetermined period of time at a rate increased relative to the decreased rate but decreased relative to the rate in the ...

MEDICINE INFUSING APPARATUS

The present invention relates to a medicine infusing apparatus that may conveniently and safely infuse a medicine according to a usage of the medicine with a compact configuration. The medicine infusing apparatus includes a cover, a first tube located inside the cover and through which a first medicine flows, a storage part located inside the cover and in which a second medicine discharged by an external pressure is accommodated, a second tube connected to opposite sides of the storage part and through which the discharged second medicine flows, a press part located on one side of the cover to be movable and configured to apply or release a pressure to or from the storage part as the press part is moved, and a regulation part located on another side of the cover and configured to regulate movement of the press part according to an operation thereof. According to the medicine infusing apparatus according to the present invention, the apparatus may be conveniently used even only by connecting the apparatus to a medicine supply unit with a compact configuration and may promptly infuse a medicine according to the state of the patient by conveniently manipulating the apparatus. Further, a danger of the infusion of a medicine due to the usage of the medicine may be effectively prevented. 1. A medicine infusing apparatus comprising:{'b': '100', 'a cover ();'}{'b': 110', '100, 'a first tube () located inside the cover () and through which a first medicine flows;'}{'b': 250', '100, 'a storage part () located inside the cover () and in which a second medicine discharged by an external pressure is accommodated;'}{'b': 120', '250, 'a second tube () connected to opposite sides of the storage part () and through which the discharged second medicine flows;'}{'b': 300', '100', '250', '300, 'a press part () located on one side of the cover () to be movable and configured to apply or release a pressure to or from the storage part () as the press part () is moved; and'}{'b': 400', ' ...

HYDRAULICALLY ACTUATED PUMP FOR FLUID ADMINISTRATION

A fluid delivery device comprises a hydraulic pump chamber having a hydraulic fluid. A fluid reservoir is coupled to the hydraulic pump chamber and is configured to contain a fluid deliverable to a patient. A first actuator is coupled to the hydraulic pump chamber and is configured to pressurize the hydraulic pump chamber and configured to transfer energy through the hydraulic pump chamber to the fluid reservoir. A second actuator is coupled to the hydraulic pump chamber and is configured to pressurize the hydraulic pump chamber and configured to transfer energy through the hydraulic pump chamber to the fluid reservoir. 1a pump chamber, and a fluid storage chamber having an orifice and being functionally connected to said pump by a moveable barrier;a hydraulic fluid reservoir for storing a high viscosity fluid, said reservoir being connected to said pump chamber via a restrictor capable of controlling the rate of flow of the high viscosity fluid, andan actuator functionally connected to said hydraulic fluid reservoir to cause said hydraulic fluid to flow into said pump chamber through said restrictor, thereby expanding the volume of said pump chamber, displacing said moveable barrier and causing a quantity of said liquid component stored in said fluid storage chamber to be delivered at a sustained rate.. A hydraulically actuated fluid delivery system for sustained delivery of a liquid component, comprising: The present application is a continuation of U.S. application Ser. No. 12/762,307, filed on Apr. 17, 2010, which is a continuation of U.S. application Ser. No. 12/336,363 (now U.S. Pat. No. 8,070,726), filed on Dec. 16, 2008, which is a continuation of U.S. application Ser. No. 10/831,354 (now U.S. Pat. No. 7,530,968), filed on Apr. 23, 2004, which claims the benefit of U.S. Provisional application 60/465,070, filed on Apr. 23, 2003, all of which are incorporated herein by reference in their entirety.The systems and methods described herein relate to a hydraulic ...

Flow meter

A flow meter includes a background pattern disposed behind a drip chamber, an image sensor, and a processor. The image sensor has a field of view and is configured to view the drip chamber within the field of view. The processor is coupled to the image sensor to receive image data therefrom and captures, using the image sensor, an image of the drip chamber and at least a portion of the background pattern, examines the image, and adjusts a flow rate of fluid flowing through a fluid line in accordance with the examination of the image.

Angiogram injections using electrocardiographic synchronization

An injection system is described that receives, from one or more sensors, a first group of one or more signals indicating a current volume of injection fluid dispensed from a fluid reservoir at a first time. The injection system determines, based on the first group of one or more signals, that a difference between a dispensed volume limit and the current volume of the injection fluid dispensed from the fluid reservoir at the first time is less than a necessary volume of fluid required to complete both a systolic injection phase and a diastolic injection phase. The injection system further, responsive to determining that the difference is less than the necessary volume of fluid required to complete both the systolic injection phase and the diastolic injection phase, controls the injection system to refrain from performing each of the systolic injection phase and the diastolic injection phase.

FLUID FLOW REGULATION ARRANGEMENTS FOR DRUG DELIVERY DEVICES

A fluid flow regulator of a fluid delivery system that can adjust a flow rate of a liquid drug dispensed from a liquid drug container to a user is provided. The fluid flow regulator can be coupled to an end of the liquid drug container. The fluid flow regulator can include a compliance plate and a flow channel selector plate having a fluid flow channel. The flow channel selector plate can be rotated relative to the compliance plate and the liquid drug container to expose a selected portion of the fluid flow channel to openings in the compliance plate that are in fluid communication with the liquid drug stored in the liquid drug container. The selected portion of the fluid flow channel can correspond to a corresponding flow resistance of the liquid drug through the fluid flow channel, thereby regulating the flow of the liquid drug to the user. 1. A fluid regulating arrangement for dispensing a liquid drug , comprising:a liquid drug container;a compliance plate coupled on a first side to a first end of the liquid drug container;a flow channel selector plate coupled to a second side of the compliance plate; anda needle coupled to a central opening of the flow channel selector plate;wherein the first end of the liquid drug container comprises first and second flow manifolds, the first flow manifold having a first end in fluid communication with an interior of the liquid drug container configured to store a liquid drug, and a second end in fluid communication with a first opening of the compliance plate;wherein the flow channel selector plate is rotatable with respect to the compliance plate and the liquid drug container, the flow channel selector plate further having a fluid flow channel for receiving the liquid drug from the liquid drug container through the first flow manifold and the first opening of the compliance plate, and for directing the liquid drug out through a second opening of the compliance plate;wherein the second opening of the compliance plate is in ...

Systems and Methods for Pressure-Facilitated Therapeutic Agent Delivery

A therapeutic agent delivery system includes a catheter, a vascular occluder, a pressure sensor system, and a pump system. The vascular occluder is provided at the distal end of the catheter. The pressure sensor system is provided to sense pressure at the distal end of a catheter lumen, and provides feedback to the pump system. The pump system is adapted to control the rate of infusion of the therapeutic agent through the lumen of the catheter based on the pressure sensed by the pressure sensor system. A method includes deploying the occluder in a vessel, and then sensing a pressure in the vessel. The therapeutic agent is infused into the vessel at a flow rate based on the sensed pressure. 1. A system for delivery of a therapeutic agent into a vessel having a vessel wall , comprising:a) a catheter having a proximal end, a distal end, and a lumen extending between the proximal and distal ends;b) an occluder provided at the distal end of the catheter, the occluder having a non-deployed configuration and a deployed configuration, the occluder having an expanded diameter in the deployed configuration relative to a diameter in the non-deployed configuration, such that when in the deployed configuration the occluder extends across the vessel into contact with the vessel wall;c) a pressure sensor configured to sense a fluid pressure in the vessel on a distal side of the occluder;d) a pump communicating with the pressure sensor, the pump adapted to infuse the therapeutic agent through the lumen of the catheter at multiple flow rates, and wherein the pump is configured to adjust the flow rate of the therapeutic agent through the lumen of catheter based on the fluid pressure sensed by the pressure sensor.2. The system of claim 1 , wherein:the occluder is dynamic such that it automatically moves to change size in response to surrounding fluid pressure conditions such that when higher fluid pressure is exerted on the proximal side of the valve than at the distal side of the ...

MECHANICALLY WOUND INFUSION PUMP

This disclosure relates generally to an apparatus for creating a mechanically-wound infusion pump which can be used in a medical context to provide steady, reliable mechanical infusion amounts without relying on electricity and which can operate accurately in areas where electric power is not available or when ambulation is desired.

SIMPLIFIED WEARABLE DRUG DELIVERY DEVICE

Embodiments of the present disclosure relate to techniques, processes, devices or systems for automating fluid delivery without the use of an external interface device. In one approach, a wearable drug delivery device may include a reservoir configured to store a liquid drug, a pump mechanism coupled to the reservoir and operable to expel the liquid drug from the reservoir, and a mechanical triggering device engageable by a user. The mechanical triggering device is operable to change between a first configuration and a second configuration to control deployment of a needle to deliver the liquid drug into a patient. 1. A wearable drug delivery device , comprising:a reservoir configured to store a liquid drug;a pump mechanism coupled to the reservoir and operable to expel the liquid drug from the reservoir; anda mechanical triggering device engageable by a user, the mechanical triggering device operable to change between a first configuration and a second configuration to control deployment of a needle to deliver the liquid drug into a patient.2. The wearable drug delivery device of claim 1 , further comprising a controller communicatively coupled to the pump mechanism and to a delivery rate adjustment device claim 1 , wherein the controller is operable to:receive an input from the delivery rate adjustment device, wherein the input indicates a liquid drug delivery rate; andbased on the liquid drug delivery rate, modify an amount of the liquid drug to be delivered by the pump mechanism.3. The wearable drug delivery device of claim 2 , wherein the controller is further operable to:receive an input indicating an automated insulin delivery (AID) application setting; andbased on the AID application setting, modify a behavior of the AID application and resulting amount of the liquid drug to be delivered by the pump mechanism.4. The wearable drug delivery device of claim 2 , further comprising a housing containing the reservoir and the pump mechanism claim 2 , wherein the ...

Fluidic medical treatment identification

Disclosed are various embodiments for identification of medical fluid treatment to a medical patient. Systems and their operations are disclosed to identify a fluidic treatment protocol among a plurality of medical infusion lines. The system includes medical infusion pumps, illuminating medical infusion lines, and computing resources to initiate identification. Fluidic medical treatment is prone to error, cognitive load is elevated in healthcare operations, the various embodiments disclosed herein are systems and methods to decrease error and reduce cognitive load by identifying as a visual cue the medical fluid treatment protocol.

FLOW RATE CONTROL DEVICE FOR SUPPLYING LIQUID CHEMICAL

Provided is a flow rate control device for supplying liquid chemicals. The device according to an embodiment of the present disclosure includes a housing unit which is placed at the location from which liquid chemicals are supplied and comprises an inflow conduit on one side to which the liquid chemicals flow in and an outflow conduit from which the flowed-in liquid chemicals whose flow rate is controlled flow out; and a control unit which is integrated with the housing unit and comprises an inflow space which comes in contact with an inflow hole at a terminal portion of the inflow conduit, an outflow space which comes in contact with an outflow hole at a terminal portion of the outflow conduit and a control path which is connected between the inflow space and the outflow space to control the flow rate of the flowed-in liquid chemicals, wherein the control path has a controlled inner diameter and a controlled length according to the flow rate a use r aims at. 1. A flow rate control device for supplying liquid chemicals comprising:a housing unit which is placed at a location from which liquid chemicals are supplied and comprises an inflow conduit on one side to which the liquid chemicals flow in and an outflow conduit from which the flowed-in liquid chemicals whose flow rate is controlled flow out; anda control unit which is integrated with the housing unit and comprises a control path which is connected to the inflow conduit and the outflow conduit to control the flow rate of the flowed-in liquid chemicals,wherein on the other side of the control path is formed outflow transport path through which the liquid chemicals whose flow rate has been controlled are transported, andwherein, the outflow transport path has outflow straining protuberances at a plurality of sites at a predetermined interval so that the outflow transport path has the outflow passing path through which the liquid chemicals pass, andwherein the outflow straining protuberances are configured so that ...

Automatic Catheter Recognition and Associated Methods, Systems and Circuits

Disclosed is a medical device for pumping fluid through a conduit, the pump including: one or more sensors to detect a parameter associated with the fluid; a circuit to (a) receive from the sensor a first signal indicative of one or more characteristics associated with the fluid; and (b) to determine if an occlusion is indicated based on a signal analysis of the first signal. 1. A medical device for pumping fluid through a conduit , said medical device comprising:one or more sensors to detect a parameter associated with the fluid;a circuit to (a) receive from said one or more sensor a first signal indicative of one or more characteristics associated with the fluid; (b) to determine if a conduit pressure passes a first fluid-parameter-threshold based on the first signal; and (c) if the conduit pressure passes the first fluid-parameter-threshold, determine if an occlusion is indicated or a catheter is connected to the conduit.2. The medical device of claim 1 , further comprising a feedback circuit to cause a flow rate parameter associated with said medical device to be updated if a catheter is determined to be connected so that a requested flow rate is achieved.3. The medical device according to claim 1 , wherein said first fluid parameter is selected from the group consisting of: a backpressure and a flow rate.4. The medical device according to claim 1 , wherein said circuit is configured to update said first fluid-parameter threshold to a second fluid-parameter threshold if a catheter is determined to be connected to the conduit.5. The medical device according to claim 1 , wherein said sensor is a pressure sensor for detecting a pressure of the fluid in the conduit.6. The medical device according to claim 2 , further comprising a pumping mechanism.7. The medical device according to claim 6 , wherein said circuit is configured to stop said pumping mechanism for a determined length of time and receive said first signal to determine if a catheter is connected.8. A ...

Methods for providing sensor site rotation feedback and related infusion devices and systems

Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device to deliver fluid to a body of a user involves identifying a current site location on the body of the user associated with a sensing arrangement providing sensed measurements of a physiological condition in the body of the user at the current site location, determining one or more performance metrics associated with the current site location corresponding to operation of the infusion device to deliver the fluid in response to the sensed measurements, and providing sensor site feedback in a manner that is influenced by the one or more performance metrics. In one or more embodiments, the sensor site feedback includes recommended sensor site locations for rotation or replacement of the sensing arrangement determined based on historical data associated with the user for different sensor site locations.

FLOW METER AND RELATED METHOD

A flow meter, and related method, include a coupler adapted to couple to a drip chamber, a support member operatively coupled to the coupler, an image sensor and a backlight. The image sensor has a field of view and is operatively coupled to the support member. The backlight is adapted to illuminate the image sensor to expose the image sensor such that the field of view of the image sensor at least partially images at least a portion of the drip chamber. A processor receives image data from the image sensor to select a region of interest of the image sensor, determine whether a pixel of the image sensor is within the region of interest, activate the at least one light of the backlight when the pixel of the image sensor is within the region of interest, and expose the pixel of the image sensor. 1. A method for exposing an image sensor implemented by an operative set of processor executable instructions configured for execution by at least one processor , the method comprising:selecting a region of interest;determining when a pixel is within the region of interest;activating a light of a backlight when the pixel is within the region of interest; andexposing the pixel.2. The method according to claim 1 , wherein the operative set of processor executable instructions is stored on a non-transitory processor-readable memory in operative communication with the at least one processor such that the at least one processor can perform the method.3. The method according to claim 2 , wherein the at least one processor is coupled to the image sensor claim 2 , wherein the at least one processor performs the method using the image sensor.4. The method according to claim 1 , wherein the region of interest is a region of the image sensor that images a drip chamber.5. The method according to claim 1 , wherein the region of interest corresponds to a drip chamber.6. The method according to claim 1 , wherein the activating act activates a subset of lights including the light of the ...

System, Method, and Apparatus for Monitoring, Regulating, or Controlling FLuid Flow

A flow meter, and related system and method are provided. The flow meter includes a coupler, a support member, an image sensor, a valve, and one or more processors. The coupler is adapted to couple to a drip chamber. The support member is operatively coupled to the coupler. The image sensor has a field of view and is operatively coupled to the support member. The image sensor is positioned to view the drip chamber within the field of view. The one or more processors are operatively coupled to the image sensor to receive image data therefrom and to the actuator to actuate the valve. The one or more processors are configured to estimate a flow of fluid through the drip chamber and to actuate the valve to control the flow of fluid through the drip chamber to achieve a target flow rate.

FLOW METER AND RELATED METHOD

A system for regulating fluid flow having a processor configured to reduce image noise is provided. The system includes an image sensor to capture an image of the drip chamber. The processor captures the image of the drip chamber using the image sensor, performs an edge detection on the image to generate a first processed image, and performs an AND-operation on a pixel on a first side of an axis of the first processed image with a corresponding mirror pixel on a second side of the axis of the first processed image to generate a second processed image. 1. A system for regulating fluid flow having a processor configured to reduce image noise , the system comprising: capture the image of the drip chamber using the image sensor,', 'perform an edge detection on the image to generate a first processed image, and', 'perform an AND-operation on a pixel on a first side of an axis of the first processed image with a corresponding mirror pixel on a second side of the axis of the first processed image to generate a second processed image., 'an image sensor configured to capture an image of a drip chamber, wherein the processor is configured to2. The system according to claim 1 , wherein the edge detection is performed using a canny edge detection.3. The system according to claim 1 , wherein the processor is configured to match a template to the image.4. The system of claim 3 , wherein the template includes at least a partial image of a drop of the fluid forming within the drip chamber.5. The system of claim 1 , wherein the processor is configured to apply a blurring function to the image captured by the image sensor of the drip chamber.6. The system according to claim 5 , wherein the blurring function is a low pass filter.7. The system according to claim 5 , wherein the blurring function is configured to blur in a vertical direction.8. The system according to claim 5 , wherein the blurring function is configured to blur in a horizontal direction.9. The system according to claim ...

Feeding Rate Compensated Pump and Related Methods Therefor

A pumping apparatus for use with a pump set to deliver fluid through the pump set to a subject includes a pumping device capable of acting on the pump set to produce a fluid flow within the pump set. A controller is in communication with the pumping device for controlling operation of the pumping device in a feeding configuration and in a flushing configuration. The controller is adapted to store a selected flow rate and a desired fluid volume of a first fluid in the memory and at least one of a flush rate and flush volume of a second fluid. A flush time compensator is capable of being run for determining a compensated feeding configuration of the first fluid based on an amount of time the controller will operate the pump device in the flushing configuration and the desired fluid volume of the first fluid. 115-. (canceled)16. A pumping apparatus for use with a pump set to deliver fluid through the pump set to a subject , the pumping apparatus comprising:a pumping device capable of acting on the pump set to produce a fluid flow within the pump set; anda controller in communication with the pumping device for controlling operation of the pumping device in a feeding configuration for producing flow of a first fluid in the pump set and in a flushing configuration for producing flow of a second fluid different from the first fluid in the pump set, the controller including a processor and a memory, the processor configured to retrieve from the memory a selected flow rate and a desired fluid volume of the first fluid and at least one of a flush rate and a flush volume of the second fluid, the processor further configured to execute a flush time compensator for determining a compensated feeding configuration of the first fluid based on an amount of time the controller will operate the pump device in the flushing configuration and the desired fluid volume of the first fluid.17. The pumping apparatus as set forth in claim 16 , wherein the compensated feeding configuration ...

Drug delivery programming techniques

Devices, systems, and techniques for programming drug delivery are described. Such techniques may account for diffusion and mixing of drug within the fluid or allow for more flexible programming options. In one example, a method may include determining one or more fluid delivery parameters (e.g., volume, flow rate, or period of time) for a fluid that is a mixture of two other fluids. The determination may be based on one or more fluid delivery parameters of the two other fluids and/or a concentration profile representing the mixing between the two other fluids. In other examples, drug delivery programming may be facilitated by the selection of various patterns and steps of drug delivery. The system may track volume of delivered fluid to maintain desired dosing of the patient.

Cardiovascular state monitoring - drug delivery apparatus and method of use thereof

The invention comprises a cardiovascular state monitoring apparatus and a method for operating a drug delivery system, comprising the steps of: (1) receiving to the cardiovascular state monitoring/drug delivery system a first time-varying cardiovascular input waveform from at least one of: a pulse oximeter and a blood pressure monitor; (2) operating on the time-varying cardiovascular input waveform to generate transient cardiovascular state information, comprising at least one of: a current left ventricle stroke volume, a current blood pressure, a current arterial compliance, and a current blood flow rate; and (3) directing the drug delivery system to deliver a drug based on the generated transient cardiovascular state information.

FLOW METER USING A DYNAMIC BACKGROUND IMAGE

A flow meter includes a coupler, a support member, an image sensor, and one or more processors. The coupler is adapted to couple to a drip chamber. The support member is coupled to the coupler. The image sensor has a field of view and is operatively coupled to the support member. The image sensor is positioned to view the drip chamber within the field of view. The processor is operatively coupled to the image sensor to receive image data from the image sensor and is configured to: capture an image of a drip chamber using an image sensor; compare the image of a drip chamber with a dynamic background image; and adjust a flow rate of fluid flowing through the fluid line in accordance with the comparison between the image of the drip chamber and the dynamic background image. 1. A method for adjusting a flow rate of a fluid line , the method comprising:capturing an image of a drip chamber using an image sensor;comparing the image of a drip chamber with a dynamic background image; andadjusting a flow rate of fluid flowing through the fluid line in accordance with the comparison between the image of the drip chamber and the dynamic background image.2. The method according to claim 1 , wherein the dynamic background image is generated using another image captured by the image sensor.3. The method according to claim 1 , further comprising the act of estimating a volume of the drop using the comparison between the image of the drip chamber and the dynamic background image.4. The method according to claim 1 , further comprising the act of identifying a plurality of pixels of interest within the image.5. The method according to claim 4 , wherein the plurality of pixels of interest are identified by comparing the image to the dynamic background image.6. The method according to claim 4 , further comprising the act of determining a subset of pixels within the plurality of pixels of interest claim 4 , wherein each pixel of the plurality of pixels is determined to be within the ...

Rotary Motor Based Transdermal Injection Device

An apparatus for injectate delivery includes a cartridge, a linear actuator, a rotary motor mechanically coupled the actuator, and a controller coupled to the motor. The controller controls a linear motion of the actuator by controlling an electrical input supplied to the motor in a first interval during which the motor is stationary with the linear actuator engaged with the cartridge to displace an injectate in the cartridge, a second interval following the first interval during which the controller accelerates the motor from stationary to a first speed selected to create a jet of the injectate from the cartridge with a velocity sufficient to pierce human tissue to a subcutaneous depth, a third interval during which the controller maintains the motor at or above the first speed, and a fourth interval during which the controller decelerates the motor to a second speed to deliver the injectate at the subcutaneous depth. 1. An apparatus for injectate delivery comprising:a cartridge containing a volume of an injectate and an exit port;a linear actuator configured for delivery of the injectate from the exit port of the cartridge, the linear actuator including a linkage;a rotary motor mechanically coupled to the linkage; and a first interval during which the rotary motor is engaged with the cartridge to displace the injectate therefrom,', 'a second interval during which the controller drives the rotary motor to maintain a jet of the injectate at or above a first speed selected to create a channel through a human tissue to a subcutaneous depth, and', 'a third interval during which the controller drives the rotary motor at a second speed less than the first speed and maintained within a range selected to deliver the volume of the injectate at the subcutaneous depth; and, 'a controller coupled to the rotary motor, wherein the controller is configured to control a linear motion of the linear actuator in response to a control signal by controlling an electrical input supplied ...

Subarachnoid fluid management method and system

A CSF management method for use with a patient forms a closed loop CSF circuit between two points on the patient's body. The CSF circuit has a therapeutic inlet to receive a therapeutic material (e.g. a drug), and a pump having a pump outlet to direct CSF along the CSF circuit. The method controls the pump to direct CSF from the pump outlet at a CSF rate that is different from the natural flow rate (i.e., the natural CSF flow rate). The therapeutic material is added to the CSF via the therapeutic input at a therapeutic rate. The CSF rate is different than the therapeutic rate and/or may be greater than the therapeutic rate. Alternative methods may control a bolus drug infusion to localize the application to a target region.

Medication Infusion Device

A medication infusion device includes a medication container containing liquid medication; an infusion needle; and a reciprocating pump having a pump chamber. The liquid medication is withdrawn from the medication container into the pump chamber during suction operation of the reciprocating pump, and the liquid medication is dispensed out of the pump chamber through the infusion needle during dispensing operation of the reciprocating pump. There are also mechanisms preventing liquid from flowing through the infusion needle during suction operation of the reciprocating pump and preventing liquid from flowing back into the medication container during dispensing operation of the reciprocating pump. The medication infusion device may further include a microcontroller to control medication infusion volume and rate. 1. A medication infusion device comprising:a medication container containing liquid medication;an infusion needle; anda reciprocating pump comprising a pump chamber, wherein the liquid medication is withdrawn from the medication container into the pump chamber during suction operation of the reciprocating pump, and the liquid medication is dispensed out of the pump chamber through the infusion needle during dispensing operation of the reciprocating pump.2. The medication infusion device according to claim 1 , further comprising a fluid control means preventing liquid from flowing through the infusion needle during suction operation of the reciprocating pump.3. The medication infusion device according to claim 1 , further comprising a fluid control means preventing liquid from flowing into the medication container during dispensing operation of the reciprocating pump.4. The medication infusion device according to claim 1 , further comprising a microcontroller to control medication infusion volume and rate.5. The medication infusion device according to claim 1 , wherein the medication container further comprising a movable piston to seal the liquid medication in ...

MEDICAL FLUID INJECTOR

Systems and methods for intelligently delivering fluid to a targeted tissue are described. The systems and methods may include directing a pump to distribute fluid to a targeted tissue and receiving one or more signals from an intracorporeal sensing system, where the one or more signals correspond to one or more sensed feedback parameters at the targeted tissue. The systems and methods may also include determining whether the one or more sensed feedback parameters are within an acceptable range. If the one or more sensed feedback parameters are not within the acceptable range, the systems and methods may include determining an adjusted velocity for the plunger necessary to adjust the pressure of the fluid in the pump so that the one or more sensed feedback parameters move within the acceptable range and directing the pump to distribute the fluid at the adjusted velocity 1. A system for delivering a fluid to a targeted tissue in accordance with an injection protocol having at least one phase , the system comprising:a pump configured to contain volume of the fluid;a sensing system;a processor in operable communication with the pump and the sensing system, wherein the processor is configured to:control the pump to deliver the fluid to the targeted tissue based on a first predetermined value of a first controlled parameter in accordance with a first phase of the injection protocol;receive one or more signals from the sensing system corresponding to a first limiting parameter, wherein the first limiting parameter comprises at least one of: a pressure at the pump, a flow rate at the pump, a pressure in a receiving vessel, a pressure in the targeted tissue, an image property, a tissue stretch property, a tissue conductivity, a tissue ultrasound property, a flow rate in the targeted tissue, a fluid cell count, a fluid particle count, and a density of a measurable tracer;determine whether the first limiting parameter is outside an acceptable range of the first limiting ...

ROTARY MOTOR BASED TRANSDERMAL INJECTION DEVICE

An apparatus for injectate delivery includes a cartridge, a linear actuator, a rotary motor mechanically coupled the actuator, and a controller coupled to the motor. The controller controls a linear motion of the actuator by controlling an electrical input supplied to the motor in a first interval during which the motor is stationary with the linear actuator engaged with the cartridge to displace an injectate in the cartridge, a second interval following the first interval during which the controller accelerates the motor from stationary to a first speed selected to create a jet of the injectate from the cartridge with a velocity sufficient to pierce human tissue to a subcutaneous depth, a third interval during which the controller maintains the motor at or above the first speed, and a fourth interval during which the controller decelerates the motor to a second speed to deliver the injectate at the subcutaneous depth. 1a cartridge containing a volume of an injectate and an exit port;a linear actuator configured for delivery of the injectate from the exit port of the cartridge, the linear actuator including a linkage;a rotary motor mechanically coupled to the linkage; anda controller coupled to the rotary motor; a first interval during which the rotary motor is engaged with the cartridge to displace the injectate therefrom;', 'a second interval immediately following the first interval during which the controller drives the rotary motor at a first speed selected to create a jet of the injectate from the cartridge with a velocity at least sufficient to pierce human tissue;', 'a third interval during which the controller continues operating the motor at or above the first speed in order to maintain the jet of the injectate at or above the velocity and create a channel through the human tissue to a subcutaneous depth;', 'a fourth interval during which the controller decelerates the rotary motor to a second speed selected to deliver the volume of the injectate at the ...

Rotary motor based transdermal injection device

An apparatus for injectate delivery includes a cartridge, a linear actuator, a rotary motor mechanically coupled the actuator, and a controller coupled to the motor. The controller controls a linear motion of the actuator by controlling an electrical input supplied to the motor in a first interval during which the motor is stationary with the linear actuator engaged with the cartridge to displace an injectate in the cartridge, a second interval following the first interval during which the controller accelerates the motor from stationary to a first speed selected to create a jet of the injectate from the cartridge with a velocity sufficient to pierce human tissue to a subcutaneous depth, a third interval during which the controller maintains the motor at or above the first speed, and a fourth interval during which the controller decelerates the motor to a second speed to deliver the injectate at the subcutaneous depth.

ROTARY MOTOR BASED TRANSDERMAL INJECTION DEVICE

An apparatus for injectate delivery includes a cartridge, a linear actuator, a rotary motor mechanically coupled the actuator, and a controller coupled to the motor. The controller controls a linear motion of the actuator by controlling an electrical input supplied to the motor in a first interval during which the motor is stationary with the linear actuator engaged with the cartridge to displace an injectate in the cartridge, a second interval following the first interval during which the controller accelerates the motor from stationary to a first speed selected to create a jet of the injectate from the cartridge with a velocity sufficient to pierce human tissue to a subcutaneous depth, a third interval during which the controller maintains the motor at or above the first speed, and a fourth interval during which the controller decelerates the motor to a second speed to deliver the injectate at the subcutaneous depth. 1a cartridge containing a volume of an injectate and an exit port;a linear actuator configured for delivery of the injectate from the exit port of the cartridge, the linear actuator including a linkage;a rotary motor mechanically coupled to the linkage; anda controller coupled to the rotary motor; a first interval during which the rotary motor is engaged with the cartridge to displace the injectate therefrom;', 'a second interval immediately following the first interval during which the controller drives the rotary motor at a first speed selected to create a jet of the injectate from the cartridge with a velocity at least sufficient to pierce human tissue;', 'a third interval during which the controller continues operating the motor at or above the first speed in order to maintain the jet of the injectate at or above the velocity and create a channel through the human tissue to a subcutaneous depth;', 'a fourth interval during which the controller decelerates the rotary motor to a second speed selected to deliver the volume of the injectate at the ...

Medical Infusion Pump for Delivery of a Fluid

An infusion pump () for delivery of a fluid is disclosed. The infusion pump allows a user to selectively control a flow rate of a fluid and includes a spike member () that is connectable to an injection port of an intravenous fluid container (). 1. An infusion pump for delivery of a fluid , comprising:a housing having an inlet and an outlet;a spike member at the inlet, the spike member defining a portion of a fluid channel, the fluid channel in fluid communication with the inlet and the outlet;a drive system for pumping the fluid through the spike member and out the outlet of the housing; anda controller in communication with the drive system, wherein the controller selectively controls a flow rate of the fluid.2. The infusion pump of claim 1 , further comprising a flow rate indicator.3. The infusion pump of claim 2 , wherein the flow rate indicator includes a first LED element providing a first visual indication and a second LED element providing a second visual indication different than the first visual indication.4. The infusion pump of claim 1 , further comprising a flow rate selector button that allows a user to select the flow rate of the fluid.5. The infusion pump of claim 1 , further comprising an alarm system for detecting air within the infusion pump.6. The infusion pump of claim 1 , further comprising a flexible tubing removably connectable to the outlet of the housing.7. The infusion pump of claim 1 , further comprising a light bar claim 1 , wherein the light bar includes a scrolling LED element that is activated when the infusion pump is running.8. The infusion pump of claim 1 , wherein the inlet of the housing includes a recessed portion claim 1 , wherein a portion of the spike member is disposed within the recessed portion.9. The infusion pump of claim 1 , wherein the spike member is connectable to an injection port of an intravenous fluid container.10. A medical infusion system claim 1 , comprising:an intravenous fluid container having an injection ...

INFUSION CONTROL DEVICES FOR MONITORING AND SETTING RATES OF INFUSION

The device comprises of a housing defining a channel there through, a torsion-spring based clamping mechanism, a drop sensor connected with circuitry, a manual infusion fluid regulation mechanism and a power source. An upper portion of the channel accommodates at least a part of a drip chamber and a lower portion of the channel accommodates at least a part of infusion tubing. The clamping mechanism comprises of one or more torsion springs and is configured for engaging and holding drip chamber and can be adjusted according to the drip chamber diameter. The drop sensor and the circuits coupled with it are configured for detecting real time drop rate of the infusion fluid. The regulation mechanism comprises of a drivable pinching element for sliding into the channel and compressing the infusion tubing thereby regulating the flow of the infusion fluid through the infusion tubing. 1. An infusion control device for monitoring and setting the flow of an infusion fluid in an infusion system comprising:a) a housing defining a channel there through, an upper portion of the channel thereof being configured for accommodating at least a part of a drip chamber and a lower portion of the channel thereof being configured for accommodating at least a part of an infusion tubing;b) a clamping mechanism comprising at least one of a torsion spring, the clamping mechanism thereof being configured for engaging and holding the drip chamber within the upper portion and to be adjusted according to the diameter of the drip chamber;c) a drop sensor for detecting the drops falling through the drip chamber, the sensor thereof being disposed in the upper portion adjacent to the drip chamber;d) circuits being coupled with the drop sensor and disposed substantially within the housing, the circuits thereof being configured for processing the information received from the sensor for detecting real time drop rate of the infusion fluid;e) a manual flow regulation mechanism disposed substantially ...

MEDICAL FLUID INJECTOR

Systems and methods for intelligently delivering fluid to a targeted tissue are described. The systems and methods may include directing a pump to distribute fluid to a targeted tissue and receiving one or more signals from an intracorporeal sensing system, where the one or more signals correspond to one or more sensed feedback parameters at the targeted tissue. The systems and methods may also include determining whether the one or more sensed feedback parameters are within an acceptable range. If the one or more sensed feedback parameters are not within the acceptable range, the systems and methods may include determining an adjusted velocity for the plunger necessary to adjust the pressure of the fluid in the pump so that the one or more sensed feedback parameters move within the acceptable range and directing the pump to distribute the fluid at the adjusted velocity 1. A system for intelligently delivering fluid to a targeted tissue , the system comprising:a pump configured to contain a volume of fluid at a pressure;a processor;an intracorporeal sensing system in operable communication with the processor; and direct the pump to distribute the fluid to the targeted tissue at an initial velocity;', 'receive one or more signals from the intracorporeal sensing system, wherein the one or more signals correspond to one or more sensed feedback parameters at the targeted tissue, wherein the one or more sensed feedback parameters comprise one or more of pressure in a receiving vessel, pressure in the targeted tissue, an image property, a tissue stretch property, a tissue conductivity, a tissue ultrasound property, a flow rate in the targeted tissue, a fluid cell count, a fluid particle count, and a density of a measurable tracer:', 'determine whether the one or more sensed feedback parameters are within an acceptable range;', 'if the one or more sensed feedback parameters are not within the acceptable range, determine an adjusted velocity; and', 'direct the pump to ...

SYSTEM AND METHODS FOR DELIVERING A TEST BOLUS FOR MEDICAL IMAGING

Provided is a method for delivering a medical fluid. The method includes administering a test injection at a preselected total volumetric flowrate for a preselected duration. The preselected total volumetric flowrate of the test injection is substantially maintained throughout the preselected duration of the test injection and is substantially similar to an anticipated total volumetric flowrate of the fluid to be administered during at least a first phase of a diagnostic injection protocol. The method further includes performing a test scan of one or more regions of interest of the patient, determining a patient response function for the patient for each of the one or more regions of interest based, at least in part, on the enhancement output, and determining a diagnostic injection protocol based at least in part upon the patient response function from each of the one or more regions of interest.

Hydraulically Actuated Pump for Fluid Administration

A fluid delivery device comprises a hydraulic pump chamber having a hydraulic fluid. A fluid reservoir is coupled to the hydraulic pump chamber and is configured to contain a fluid deliverable to a patient. A first actuator is coupled to the hydraulic pump chamber and is configured to pressurize the hydraulic pump chamber and configured to transfer energy through the hydraulic pump chamber to the fluid reservoir. A second actuator is coupled to the hydraulic pump chamber and is configured to pressurize the hydraulic pump chamber and configured to transfer energy through the hydraulic pump chamber to the fluid reservoir. 1a pump chamber, and a fluid storage chamber having an orifice and being functionally connected to said pump by a moveable barrier;a hydraulic fluid reservoir for storing a high viscosity fluid, said reservoir being connected to said pump chamber via a restrictor capable of controlling the rate of flow of the high viscosity fluid, andan actuator functionally connected to said hydraulic fluid reservoir to cause said hydraulic fluid to flow into said pump chamber through said restrictor, thereby expanding the volume of said pump chamber, displacing said moveable barrier and causing a quantity of said liquid component stored in said fluid storage chamber to be delivered at a sustained rate.. A hydraulically actuated fluid delivery system for sustained delivery of a liquid component, comprising: The present application is a continuation of U.S. application Ser. No. 12/762,307, filed on Apr. 17, 2010, which is a continuation of U.S. application Ser. No. 12/336,363 (now U.S. Pat. No. 8,070,726), filed on Dec. 16, 2008, which is a continuation of U.S. application Ser. No. 10/831,354 (now U.S. Pat. No. 7,530,968), filed on Apr. 23, 2004, which claims the benefit of U.S. Provisional application 60/465,070, filed on Apr. 23, 2003, all of which are incorporated herein by reference in their entirety.The systems and methods described herein relate to a hydraulic ...

Automatically pulsing different aspiration levels to an ocular probe

Methods and systems for automatically pulsing different aspiration levels to an ocular probe are disclosed. The probe may be a phacoemulsification probe. A first aspiration level, supplied by a first pump, may be applied to the probe simultaneously with ultrasonic energy. A second aspiration level, supplied by a second pump, may be automatically switched from the first aspiration level, and applied to the probe in a pulsed manner.

MINIATURE PATCH-TYPE INTELLIGENT CONTROL INFUSION DEVICE

A miniature patch-type control infusion device includes an infusion unit (). The infusion unit () comprises a drug storage unit(s) (), a metal piece (), a piston(s) (), a rigid screw(s) (), a rotating shaft (), a driving unit(s) (), a driving wheel(s) () provided with wheel teeth (), a power unit(s) () and a rebound unit(s) (). The driving unit () includes at least two driving portions (). The driving unit () can rotate around the rotating shaft () in the driving direction and the returning direction. The power unit () and the rebound unit () cooperate with each other to apply force to the driving unit () to rotate the driving unit (). The infusion device also includes a position detector(s) (), the metal piece () and the position detector(s) () interact to generate signals. Using this infusion device, patients will have more infusion rate options, which increase the flexibility of controlling drug infusion. 1. A miniature patch-type intelligent control infusion device , comprising , a drug storage unit, a metal piece, a piston and a rigid screw, wherein the piston is arranged in the drug storage unit; the metal piece, fixedly connected to the rigid screw, is arranged on the piston;', 'a rotating shaft, a driving unit and at least one driving wheel provided with wheel teeth, wherein the driving unit includes at least two driving portions, the driving unit rotates around the rotating shaft in a driving direction and a returning direction, when rotating in the driving direction, one of the driving portions of the driving unit pushes the wheel teeth to rotate the driving wheel which engages the rigid screw to move forward in a non-rotating way, when rotating in the returning direction, all of the driving portions of the driving unit slide synchronously on a surface of the wheel teeth; and', 'a power unit and a rebound unit, wherein the power unit and the rebound unit cooperate with each other to apply force to the driving unit to rotate the driving unit;, 'an infusion ...

Flow Restriction Devices, Methods, and Systems

A flow restrictor includes a flexible tube held in a housing and a linear actuator connected through an intermediate link to a distal link via a first revolute joint proximate the linear actuator and a second revolute joint connecting the intermediate and distal links. The distal link has a distal end adjacent the flexible tube and the intermediate and distal links are constrained to move such that when the linear actuator moves the first revolute joint toward the linear actuator, the distal end of the distal link is driven into the side of the tube thereby progressively occluding the flexible tube. 1. A variable flow restrictor , comprising:a tube support having a hollow with a flexible tube therein;a free lever element trapped in the hollow; andan actuator configured to push the free lever element progressively such that it progressively pinches the flexible tube against a first wall of said hollow.2. The flow restrictor of claim 1 , wherein the free lever element is a longitudinal member.3. The flow restrictor of claim 1 , wherein the actuator is configured to push the free lever element such that an end thereof rides along second wall of said hollow.4. The flow restrictor of claim 1 , wherein the free lever element is a longitudinal member and the actuator is configured to push one end thereof such that another end thereof rides along a second wall of said hollow.5. The flow restrictor of claim 1 , wherein the hollow has second and third walls and the free lever element is a longitudinal member and the actuator is configured to push one end thereof such that said one end rides along the third wall while another end thereof rides along the second wall.6. The flow restrictor of claim 5 , wherein the actuator has first and second links connected by a revolute joint claim 5 , a distal one of which is connected by a further revolute joint to the lever element.7. The flow restrictor of wherein rollers are attached at each of the revolute joints.8. The flow restrictor ...

System with a device and a process for controlling an administration of a drug to a patient

A device, a system including the device, to a process and to a computer program for controlling the administration of a drug to a patient. The device (10) comprises a processing device (11) configured to receive information concerning vital data of the patient (31), generation of a control signal in relation to a control parameter for controlling the administration of a drug with a drug administration unit (21) to the patient (31) on the basis of the information received concerning vital data of the patient. The device (10) comprises, furthermore, an interface (12), which is configured for providing the control signal for the drug administration unit (21).

FLUID INJECTOR SYSTEM VOLUME COMPENSATION SYSTEM AND METHOD

A system and method for correcting a volume of fluid delivered by a fluid injector during an injection procedure is described. The method included determining and compensating for a volume factor associated with compliance of the fluid injector system and correcting for the volume by one of over-driving the distance that the drive member travels in a fluid reservoir, under-driving the distance that the drive member travels in the fluid reservoir, or lengthening or shortening a fluid delivery time. 3. The method of claim 1 , wherein the at least one fluid reservoir comprises at least one first fluid reservoir containing the first fluid claim 1 , the at least one second fluid reservoir containing the second fluid and at least one third fluid reservoir containing a third fluid.4. The method of claim 1 , further comprising the step of determining whether the at least one fluid reservoir contains at least a volume of fluid corresponding to the programmed volume plus an amount of fluid equal to the system volume compliance according to Equation (1).5. The method of claim 3 , wherein the at least one fluid reservoir claim 3 , the at least one second fluid reservoir claim 3 , and the at least one third fluid reservoir are independently selected from the group consisting of a syringe claim 3 , a rolling diaphragm syringe claim 3 , a peristaltic pump claim 3 , and a compressible bag.6. The method of claim 5 , wherein at least one of the at least one fluid reservoir claim 5 , the at least one second fluid reservoir claim 5 , and the at least one third fluid reservoir is a syringe.7. The method of claim 6 , wherein the syringe comprises a plunger operatively connected to a drive member selected from a linear actuated piston and a motor driven piston.8. The method of claim 5 , wherein at least one of the at least one fluid reservoir claim 5 , the at least one second fluid reservoir claim 5 , and the at least one third fluid reservoir is a rolling diaphragm syringe.9. (canceled) ...

KIT FOR THE MODULAR CONFIGURATION OF A MEDICAL PUMP DEVICE, AND MEDICAL PUMP DEVICE

A kit is used for the modular configuration of a medical pump device for delivering a medical fluid. Such a medical pump device can be used in infusion therapy. 1. A kit for the modular configuration of a medical pump device for delivering a medical fluid , the kit comprising:a first group with a plurality of different pump units, which each have a pump volume for receiving and delivering the medical fluid,wherein the pump units have differently dimensioned pump volumes,and wherein the pump units each have a first coupling element, which is designed in such a way that the respective pump volume is connectable to a throttle unit in a fluid-conducting manner,and a second group with a plurality of different throttle units, which are each designed to throttle the delivery of the medical fluid,wherein the throttle units have differently dimensioned throttle effects,wherein the throttle units each have a second coupling element, which is designed in such a way that the respective throttle unit is connectable in a fluid-conducting manner to a pump volume of one of the pump units,wherein the pump units and the throttle units are arranged spatially separated from each other.2. The kit according to claim 1 , wherein the pump units each have an elastomer membrane claim 1 , which forms the pump volume for receiving and delivering the medical fluid and claim 1 , in a state at least partially filled with the medical fluid claim 1 , is elastically extended in such a way that a delivery pressure on the pump volume is produced.3. The kit according to claim 1 , wherein the first coupling element and the second coupling element are designed complementing each other in such a way that a fluid-conducting connection produced by the coupling elements is non-releasable.4. The kit according to claim 1 , wherein the throttle units each have a third coupling element claim 1 , which is designed to connect the throttle unit claim 1 , and thus the medical pump device claim 1 , in a fluid- ...

A FLUID DELIVERY APPARATUS HAVING A CONTROLLER ASSEMBLY AND METHOD OF USE

A controller assembly of a fluid delivery apparatus includes a body component and a plunger component slidably coupled to the body component. The plunger is positionable between a first position in which the plunger is nearest to the body component, and a second position in which the plunger component is furthest from the body component. A bias assembly positioned between the body component and the plunger component applies a two stage force profile to the plunger component. The bias assembly includes a first and a second biasing member. In the first position, the first and second biasing members apply first and second forces profiles, respectively, to the plunger component. In the second position, the first biasing member is prevented from applying the first force profile to the plunger component, and the second biasing member applies the second force profile to the plunger component. 1. A controller assembly of a fluid delivery apparatus , the fluid delivery apparatus including a cartridge assembly containing a fluid , the controller assembly comprising:a body component defining an axis;a plunger component slidably coupled to the body component, the plunger positionable between a first position in which the plunger is nearest to the body component, and a second position in which the plunger component is furthest from the body component; anda bias assembly positioned between the body component and the plunger component, the bias assembly is configured to apply a two stage force profile to the plunger component, the bias assembly comprising:a first biasing member having a first force profile; anda second biasing member having a second force profile, wherein the first force profile is different than the second force profile,wherein in the first position of the plunger component, the first and second biasing members apply the first and second forces profiles, respectively, to the plunger component to define a first stage profile comprising of the two stage force ...

Large-Volume Bolus Patient Controlled Drug Administration Device With Lock-Out

A patient controlled liquid drug administration device providing either or both of a continuous flow of a liquid drug, as well as successive boluses thereof, to be self-administered by a patient while allowing delivery of only full bolus volumes. The device includes a reciprocating pump defining a closed internal reservoir having a fixed first wall, and a second, flexible wall that is axially movable in relation to the fixed wall between reservoir-full and reservoir-empty positions. A lock is connected to a push button that activates a plunger of the pump. The lock has a first position preventing the push button from being depressed when the push button is in an extended position and the plunger is in a reservoir-empty position and a second position permitting the push button to be depressed when the push button is in an extended position and the plunger is in a reservoir-full position.

UNILATERALLY DRIVEN DRUG INFUSION DEVICE WITH MULTIPLE INFUSION MODES

A unilaterally driven drug infusion device with multiple infusion modes includes a reservoir, a piston, a screw, a driving unit, at least one driving wheel provided with teeth, a linear actuator, a reset unit, and a control unit. The piston is arranged in the reservoir. The driving unit includes a rotating shaft and a driving member, and the driving member includes a driving end. The linear actuator and the reset unit are respectively connected to the driving member. The control unit controls the linear actuator or the reset unit to apply different driving powers on the driving member to make the driving member have a variety of different operating modes. 1. A unilaterally driven drug infusion device with multiple infusion modes , the drug infusion device comprising:a reservoir, a piston and a screw, wherein the piston is connected with the screw, and is arranged in the reservoir;a driving unit including at least one rotating shaft and at least one driving member, wherein the driving member includes at least one driving end, and the driving member is able to rotate around the rotating shaft to advance or reset the driving end;at least one driving wheel provided with wheel teeth, the driving end, which advances, is able to push the wheel teeth to rotate the driving wheel, and drive the screw to move forward;a linear actuator and a reset unit respectively connected to the driving member, wherein the linear actuator and the reset unit respectively apply driving power to the driving member to advance and reset the driving end; anda control unit, connected to the linear actuator or the reset unit, wherein the control unit controls the linear actuator or the reset unit to apply different driving powers on the driving member to make the driving member have a variety of different operating modes, such that the infusion device has various different infusion increments or infusion rates.2. The unilaterally driven drug infusion device with multiple infusion modes of claim 1 , ...

SYSTEMS AND METHODS FOR OPTIMIZING MEDICAMENT DOSING

A system for monitoring a patient includes one or more processors and a sensor device implemented in circuitry. The system is configured to measure, using the sensor device, a blood glucose status of the patient, and determine, using one or more processors, an initial insulin dose for the patient based on the blood glucose status of the patient. The system is further configured to optimize the initial insulin dose for the patient, based at least in part on a correction factor, to create an optimized insulin dose for the patient. The system is configured to facilitate therapy, using the one or more processors, based on the determined optimized insulin dose. 1. A system for monitoring a patient to optimize medicament dosing , the system comprising one or more processors and a patient device implemented in circuitry , the system being configured to:receive, using the patient device, an input, the input being indicative of a blood glucose status of the patient;determine, using one or more processors, an initial insulin dose for the patient based on the input;optimize, using the one or more processors, the initial insulin dose for the patient, based at least in part on a correction factor received by the one or more processors to create an optimized insulin dose for the patient, andfacilitate therapy, using the one or more processors, based on the optimized insulin dose.2. The system of claim 1 , wherein the input comprises a patient input to the patient device.3. The system of claim 2 , wherein the patient input comprises a gesture recognized by a gesture recognition program resident on at least one of the one or more processors and the circuitry of the patient device.4. The system of claim 2 , wherein the patient input comprises an indication of at least one of a type and an amount of food or beverage consumed by the patient.5. The system of claim 1 , wherein the input comprises a target blood glucose level for the patient.6. The system of claim 1 , further comprising ...

SYSTEM, METHOD, AND APPARATUS FOR MONITORING, REGULATING, OR CONTROLLING FLUID FLOW

An apparatus, system and method for regulating fluid flow are disclosed. The apparatus includes a flow rate sensor and a valve. The flow rate sensor uses images to estimate flow through a drip chamber and then controls the valve based on the estimated flow rate. The valve comprises a rigid housing disposed around the tube in which fluid flow is being controlled. Increasing the pressure in the housing controls the size of the lumen within the tube by deforming the tube, therefore controlling flow through the tube. 1. A valve comprising:a housing configured to surround a tube;a filler disposed within the housing, the filler having at least two differing stiffness layers;a plunger configured to engage the filler within the housing to thereby operatively deform the tube within the housing when engaging the filler; andan actuator operatively coupled to the plunger and configured to actuate the plunger, wherein:the housing includes first and second clamshell portions,the first clamshell portion is pivotally coupled to the second clamshell portion,the first and second clamshell portions have an open position and a closed position,the first clamshell portion defines a first portion of a cavity and the second clamshell portion defines a second portion of the cavity such that the first and second clamshells form a cavity when in the closed position,the at least two differing hardness layers of the filler includes four layers, andthe four layers includes first, second, third, and fourth layers, and the first and second layers are within the first portion of the cavity and the third and fourth layers are within the second portion of the cavity.2. The valve according to claim 1 , wherein the at least two differing stiffness layers includes a stiffer layer and a softer layer.3. The valve according to claim 2 , wherein the softer layer has a shore 00 hardness from 20 to 25.4. The valve according to claim 2 , wherein the stiffer layer has a shore A hardness of 15.5. The valve ...

Ambulatory medicament pumps with selective alarm muting

Ambulatory medicament devices that provide therapy to a subject, such as blood glucose control, are disclosed. Disclosed systems and methods can implement one or more features that improve the user experience, by modifying delivery of therapy to a subject after determining that a possible occlusion exists in a medicament delivery system, monitoring the status of an ambulatory medical device and the health condition of a subject that receives therapy from the ambulatory medical device and annunciating alarm condition when necessary, selectively muting alarm annunciations while a Do Not Disturb mode is activated, implementing various power saving modes to save power, controlling operation of the device and medicament delivery based on the user gesture controls, and controlling medicament delivery based on a condition of the ambulatory medicament device.

Fluid Mixing System For Pumping Devices And Methods For Use With Medical Fluids

A fluid mixing system including an extending channel, at least two fluid inlet ports in fluid connection with the extending channel, at least one outlet port in fluid connection with the extending position between the two fluid inlet ports and a sealing member in sealing engagement with the extending channel is described. The sealing member may be movable within the extending channel to adjust the volumetric ratio of the two fluids delivered through the outlet port. 1. A fluid mixing system comprising;an extending channel;at least two fluid inlet ports in fluid connection with the extending channel, wherein the at least two fluid inlets ports are positioned at different positions along the extending channel and the at least two fluid inlet ports are configured to introduce at least two fluids into the extending channel;at least one outlet port in fluid connection with the extending channel and positioned between the at least two fluid inlet ports; anda sealing member in sealing engagement with the extending channel, wherein the sealing member is movable within the extending channel to adjust a volumetric ratio of the at least two fluids.2. The fluid mixing system of claim 1 , further comprising a plurality of spaced outlet ports in fluid connection with the extending channel.3. The fluid mixing system of claim 2 , wherein the spaced outlet ports are positioned within the channel between the positions of the fluid inlets.4. The fluid mixing system of claim 3 , wherein the position of the sealing member relative to the plurality of spaced outlet ports adjusts the volumetric ratio of the at least two fluids.5. The fluid mixing system of claim 4 , wherein the volumetric ratio of the at least two fluids are further adjusted by changing variables selected from the group consisting of the number of fluid outlet ports claim 4 , the dimensions of the fluid outlet ports claim 4 , and combinations thereof.6. The fluid mixing system of claim 1 , wherein the volumetric ratio of ...

Capacitor detection for iv pump tube calibration

A system and method for calibrating an IV pump infusion system tube comprises a fluid source, an infusion system comprising, an IV pump, a drive unit, a chamber with known constant volume, a control unit, and IV tubing with a known inner diameter tolerance, and a set of conductive plates. The system administers medicinal fluid, calculates the flow rate of the medicinal fluid in the chamber by measuring the time the capacitance level of the medicinal fluid changes from a capacitance level corresponding to a first (initial) position to a capacitance level corresponding to a second (filled) position, compares the calculated flow rate with a set flow rate of the IV pump input in the control unit prior to infusion, and adjusts the IV pump and flow rate based on the compared deviations for more accurate delivery to a patient. This configuration may therefore provide a more precise delivery rate.

CLOSED STOPCOCK

A stopcock, comprising a housing element defining a central bore and at least first, second and third ports; and a handle element which is selectably positionable relative to the housing element; at least one of the housing element and the handle element defining: a first fluid flow passageway communicating between two of the at least first, second and third ports; a second fluid flow passageway communicating between at least two of the at least first, second and third ports, and a fluid flow guide associated with the second fluid flow passageway, the fluid flow guide extending radially towards an inner facing wall of the central bore. 1. A stopcock comprising:a housing element defining a central bore and at least first, second and third ports; anda handle element which is selectably positionable relative to said housing element; a first fluid flow passageway communicating between two of said at least first, second and third ports;', 'a second fluid flow passageway communicating between at least two of said at least first, second and third ports, and', 'a first fluid flow guide associated with said second fluid flow passageway, said first fluid flow guide extending radially towards an inner facing wall of said central bore; and', 'a second fluid flow guide extending radially and partially bifurcating one of said at least one of the first, second and third ports, said second fluid flow guide being associated with at least one of said first fluid flow passageway and said second fluid flow passageway., 'at least one of said housing element and said handle element defining2. A The stopcock according to and wherein said second fluid flow passageway being configured for enabling flushing an internal volume of at least one of said first claim 1 , second and third ports by a fluid flow which does not flow entirely through said port whose internal volume is being flushed claim 1 , andsaid first fluid flow passageway being configured for increasing a fluid flow rate between ...

PRESSURE REDUCER FOR SUPPLYING DRUGS TO A PATIENT AND CORRESPONDING PRODUCTION METHOD

The present invention relates to a pressure reducer for delivering drugs to a patient and the corresponding method of manufacture, said pressure reducer for delivering drugs to a patient comprising: a duct () with an inlet () and an outlet (), a first body () with a first surface (), and a second body () with a second surface () directly contacting the first body (). One of the surfaces () has a recess () such that a duct () is defined between both surfaces. Both bodies are attached to one another by means of a continuous attachment line running on both sides of the duct (). The method of manufacture comprises a laser welding step in which the first body () is welded to the second body () by means of a welding seam extending along both sides of the duct. 1. A pressure reducer for delivering drugs to a patient , suitable for allowing the delivery of a certain fixed nominal flow rate of a drug , the pressure reducer comprising:a duct with an inlet and an outlet, said duct being suitable for being traversed by said drug;a first body with a first surface; anda second body with a second surface, wherein said first body and said second body define an assembled position in which said first surface is substantially facing said second surface, at least one of said first surface and said second surface having at least one recess such that said duct is formed in said assembled position, said second body directly contacting said first body, such that said duct is defined between said second surface and said first surface, said first body and said second body being attached to one another by means of at least one continuous attachment line extending on both sides of said duct from said inlet to said outlet.2. A pressure reducer according to claim 1 , wherein said second body is a sheet with a smooth second surface.3. A pressure reducer according to claim 2 , wherein said second body has a thickness comprised between 20 microns and 500 microns.4. A pressure reducer according to ...

DRUG DELIVERY PROGRAMMING TECHNIQUES

Devices, systems, and techniques for programming drug delivery are described. Such techniques may account for diffusion and mixing of drug within the fluid or allow for more flexible programming options. In one example, a method may include determining one or more fluid delivery parameters (e.g., volume, flow rate, or period of time) for a fluid that is a mixture of two other fluids. The determination may be based on one or more fluid delivery parameters of the two other fluids and/or a concentration profile representing the mixing between the two other fluids. In other examples, drug delivery programming may be facilitated by the selection of various patterns and steps of drug delivery. The system may track volume of delivered fluid to maintain desired dosing of the patient. 1. A method comprising:obtaining, by one or more processors, one or more first fluid delivery parameters that at least partially define delivery of a first fluid within a downstream portion of a fluid path of a fluid delivery system, wherein a medical pump and a catheter of the fluid delivery system define at least a portion of the fluid path;obtaining, by the one or more processors, one or more second fluid delivery parameters that at least partially define delivery of a second fluid within an upstream portion of the fluid path upstream from the first fluid, wherein the second fluid comprises a therapeutic agent;determining, by the one or more processors and based on the one or more first fluid delivery parameters and the one or more second fluid delivery parameters, one or more third fluid delivery parameters that at least partially define delivery of a third fluid located between the first fluid and the second fluid in the fluid path, wherein the third fluid comprises a mixture of the first fluid and the second fluid, and wherein at least some of the one or more third fluid delivery parameters are different than the one or more first and second fluid delivery parameters; andoutputting, by ...

METHODS FOR PROVIDING SENSOR SITE ROTATION FEEDBACK AND RELATED INFUSION DEVICES AND SYSTEMS

Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of providing site rotation feedback pertaining to a sensing arrangement providing sensed measurements of a physiological condition in a body of a user involves obtaining one or more reference measurements of the physiological condition in the body of the user, determining a lag associated with the sensing arrangement based on a relationship between the one or more reference measurements and one or more of the sensed measurements, identifying a current site location on the body of the user associated with the sensing arrangement from among a plurality of site locations based on the lag, determining one or more performance metrics associated with the current site location, and providing sensor site feedback in a manner that is influenced by the one or more performance metrics. 1. A method of providing site rotation feedback pertaining to a sensing arrangement providing sensed measurements of a physiological condition in a body of a user , the method comprising:obtaining one or more reference measurements of the physiological condition in the body of the user;determining a lag associated with the sensing arrangement providing the sensed measurements of the physiological condition in the body of the user based on a relationship between the one or more reference measurements and one or more of the sensed measurements;identifying a current site location on the body of the user associated with the sensing arrangement from among a plurality of site locations based on the lag;determining one or more performance metrics associated with the current site location; andproviding sensor site feedback in a manner that is influenced by the one or more performance metrics.2. The method of claim 1 , the current site location comprising one of the plurality of site locations claim 1 , the method further comprising:maintaining an association between the lag and the one of the plurality of ...

PRESSURE SPIKE ABSORBING SYSTEMS

An apparatus for coupling to a fluid delivery system and for receiving a fluid into the apparatus; a portion of the apparatus permitting a change in shape or size to accommodate the fluid volume or pressure received therein. The apparatus including a housing with a cavity, an expandable reservoir with an opening and a passage, and a cap; the expandable reservoir positioned within the cavity and coupled to a fluid source. The expandable reservoir includes an unrestrained orientation when a fluid volume or pressure therein is below a threshold, and an expanded orientation, when the fluid volume or pressure therein is above the threshold; the expandable reservoir moving toward the expanded orientation to accommodate a fluid volume or pressure received through an opening, and the expandable reservoir moving toward the unrestrained orientation to direct a fluid volume or pressure through an opening. 1. A pressure spike absorbing system , comprising:a housing comprising a cavity, and a first tubing passage that extends from the cavity through a first portion of the housing to an outer surface of the housing;a cap coupled to a second portion of the housing, the cap comprising a second tubing passage that extends from the cavity through an outer surface of the cap; andan expandable reservoir comprising a passage that extends between a first opening and a second opening, wherein the expandable reservoir is positioned within the cavity with the first opening aligned with the first tubing passage and the second opening aligned with the second tubing passage.2. The pressure spike absorbing system of claim 1 , wherein the housing comprises a first retaining bore extending from the cavity toward the first tubing passage claim 1 , and the cap comprises a second retaining bore extending from the cavity toward the second tubing passage.3. The pressure spike absorbing system of claim 2 , wherein a first portion of the expandable reservoir claim 2 , comprising the first opening claim ...

PEN-LIKE SYRINGE SYSTEM

A pen-like syringe system includes: a syringe holder for receiving a syringe having a syringe barrel and a plunger guided for movement in the barrel; and a drive housing connected to the syringe holder. To provide an ergonomic syringe system which allows advantageous operation of the system and guarantees safe and focused injection or drawing of a substance the drive housing includes an electric delivery device operated by an integrated power supply for applying pneumatic pressure or negative pressure to the plunger, with the delivery device connected via a drive channel to the plunger and actuatable by a button arranged on the syringe system; and the pen-like syringe system has a vent duct with a first end, which is connected to the drive channel, and a second end, which is connected to the surroundings via an opening, with the opening closable by pressing the button. 122-. (canceled)23. A pen-like syringe system comprising:a syringe holder for accommodating a syringe having a syringe barrel and a plunger movably guided in the syringe barrel;a drive housing connected to the syringe holder;an electric delivery device operated by an integrated power supply arranged in the drive housing for pneumatic operation of the plunger of the syringe inserted into the syringe holder with positive or negative pressure;a drive channel connecting the electric delivery device to the plunger of the syringe inserted into the syringe holder; anda button arranged on the syringe system for operation of the electric delivery device,wherein the syringe system has a vent channel with a first end that is connected to the drive channel and a second end that is connected to the surroundings via an opening, the opening being closeable during activation of the button.24. The system of claim 23 , wherein the opening is closeable by a finger activating the button during activation of the button.25. The system of claim 24 , wherein the opening is closed automatically by the finger during manual ...

SYSTEM AND METHOD FOR CLOSED-LOOP PATIENT-ADAPTIVE HEMODYNAMIC MANAGEMENT

A system and method for patient-adaptive hemodynamic management is described. One embodiment includes a system for hemodynamic management including transfusion, volume resuscitation with intravenous fluids, and medications, utilizing monitored hemodynamic parameters including the described dynamic predictors of fluid responsiveness, and including an intelligent algorithm capable of adaptation of the function of the device to specific patients. 121-. (canceled)22. An intravenous fluid management device comprising:a fluid supply comprising intravenous fluid that is substantially free of vasoactive medication;a fluid control device fluidly coupled to the fluid supply and configured to control a rate of flow of the intravenous fluid from the fluid supply into a patient; and receive an input signal indicating a physiologic parameter value associated with the patient;', 'determine, based at least in part on the physiological parameter value, a predicted change in cardiac output of the patient in response to intravenous infusion of a bolus of the intravenous fluid into the patient; and', 'provide a pump control signal to the fluid control device based at least in part on the predicted change to cause the fluid control device to provide a fluid bolus from the intravenous fluid into the patient., 'control circuitry communicatively coupled to the fluid control device and configured to23. The intravenous fluid management device of claim 22 , further comprising data storage configured to store bolus log information indicating efficacy of one or more previously-administered fluid boluses claim 22 , wherein the predicted change is based at least in part on the bolus log information.24. The intravenous fluid management device of claim 23 , wherein the control circuitry is further configured to determine that the input signal represents valid physiological parameter data claim 23 , and to store the physiological parameter data in a vitals log maintained in the data storage of the ...

System for medical treatment

A medical device and a system for medical treatment comprising the medical device are disclosed. The medical device comprises a fluidic conduit and/or is configured to be operatively coupled to a fluidic conduit. The medical device comprises a flow regulator for regulating the flow of a fluid in the fluidic conduit and at least two movable elements, which are passively displaceable as a function of a fluidic pressure change in the fluidic conduit or actively displaceable for regulating the flow of fluid in the fluidic conduit. The medical device further comprises at least one transponder circuit comprising at least one transponder element chosen from a capacitor, an inductor, a resistor, or combinations thereof, being arranged with respect to the movable elements such that the transponder circuit has a capacitance or inductance or resistance or resonant frequency or Q factor, which changes as a function of the displacement of the movable elements. The system further comprises a control device comprising a transceiver, wherein the transceiver is configured to transmit energy to the transponder circuit and to read out the capacitance and/or the inductance and/or the resistance and/or the resonant frequency and/or the Q factor of the transponder circuit, such as to determine with the same transponder circuit whether there is a displacement of any of the movable elements. A foil comprising at least one transponder circuit to be arranged in the medical device is also disclosed. 1. Medical device to be placed in contact with a patient , wherein the medical device comprises a fluidic conduit and/or is configured to be operatively coupled to a fluidic conduit , the medical device further comprisinga flow regulator for regulating the flow of a fluid in the fluidic conduit for medical treatment;at least two movable elements, which are passively displaceable as a function of a fluidic pressure change in the fluidic conduit or actively displaceable for regulating the flow of ...

COMBINED EXTRACORPOREAL AND DRUG DELIVERY SYSTEM AND METHOD

An extracorporeal and drug delivery system includes (i) a renal failure therapy machine operable with a blood filter in fluid communication with an arterial line and a venous line, the machine including (a) an effluent pump for pumping effluent from the blood filter at an effluent flowrate, and at least one of (b) a dialysis fluid pump for pumping dialysis fluid to the blood filter at a dialysis fluid flowrate, (c) a predilution pump for pumping replacement fluid into the arterial line at a predilution flowrate, or (d) a postdilution pump for pumping replacement fluid into the venous line at a postdilution flowrate; (ii) an infusion pump operable to deliver an intravenous (“IV”) drug to the patient at an IV drug flowrate; and (iii) a coordinating logic implementor configured to adjust the IV drug flowrate based on an amount of the IV drug removed via the effluent flowrate. 1. An extracorporeal and drug delivery system comprising: an effluent pump positioned and arranged to pump effluent from the blood filter at an effluent flowrate, and', a dialysis fluid pump positioned and arranged to pump dialysis fluid to the blood filter at a dialysis fluid flowrate,', 'a predilution pump positioned and arranged to pump replacement fluid into the arterial line at a predilution flowrate, or', 'a postdilution pump positioned and arranged to pump replacement fluid into the venous line at a postdilution flowrate;, 'at least one of'}], 'a renal failure therapy machine operable with a blood filter in fluid communication with an arterial line for removing blood from a patient to the blood filter and a venous line for returning blood from the filter to the patient, the renal failure therapy machine including'}an infusion pump operable to deliver an intravenous (“IV”) drug to the patient at an IV drug flowrate; anda coordinating logic implementor configured to determine an adjustment for the IV drug flowrate based on an amount of the IV drug removed via the effluent flowrate.2. The ...

RESERVOIR MODULE COMPRISING A PISTON ROD

A product dispensing apparatus including a reservoir module, a dosing module and a dose setting member. The reservoir module includes a front casing section, a block, a first connector, a piston, and a piston rod moveable in a dispensing movement and against the dispensing movement, and including a return block engageable with the block, wherein engagement between the block and the return block prevents the piston rod from moving against the dispensing movement. The dosing module includes a rear casing section, including a second connector which is engageable with the first connector to form a detachable connection between the reservoir module and the dosing module, and a dosing and drive device. The dose setting member engages the piston rod such that it is moveable together with and in the same direction as the piston rod during the dispensing movement and is moveable relative to the piston rod against the dispensing movement. 1. A semi disposable product dispensing apparatus comprising a disposable reservoir module and a reusable dosing and activating module which are detachably connected to each other ,said disposable reservoir module comprising:a) a front casing section which comprises a reservoir for a product which can be delivered and a first connecting means;b) a piston accommodated in said reservoir such that it can be shifted in a dispensing direction towards a reservoir outlet to deliver the product, andc) a piston rod moveable in and against the dispensing direction; andsaid reusable dosing and activating module comprising:a) a rear casing section including a second connecting means engageable with the first connecting means to form a detachable connection;b) a dosing and drive element which is in a releasable engagement with the piston rod of the disposable reservoir module for providing and performing a dosing and delivery movement for delivery of the product;c) a motor for performing the delivery movement of the dosing and drive element, andd) a dose ...

ELASTOMERIC INFUSION PUMP

A rugged elastomeric infusion pump capable of storing sterile fluids under pressure for intravenous medical use within an elastomeric bladder, wherein said elastomeric bladder is surrounded by a rugged outer shell having a proximal and distal parts with respect to the elastomeric bladder, said distal part comprising one or more of a flow regulator, a modulator, and a flow meter for regulating, smoothing, and measuring the flow of fluids effused from the elastomeric bladder, wherein said rugged proximal parts are capable of absorbing impacts to minimize the force imparted to the elastomeric infusion pump. 1. A rugged elastomeric infusion pump , suitable for containing a sterile fluid under pressure which is suitable for administration to a patient , the infusion pump comprising:a. an elastomeric bladder capable of retaining the sterile fluid at pressure, said elastomeric bladder capable of providing sustained consistent pressure for delivery of the fluid;b. a rugged outer shell surrounding the elastomeric bladder, said rugged outer shell having a proximal part with respect to the elastomeric bladder, and a distal part with respect to the elastomeric bladder;c. said distal part of said rugged out shell having one or more of a flow regulator, a modulator, and a flow meter for calculating the rate of flow of the fluid being expelled from said elastomeric bladder and calculating and displaying the volume of the fluid effused, or combinations thereof;d. said proximal and distal parts of said shell capable of absorbing impacts to minimize the force imparted to the infusion pump.2. The elastomeric infusion pump of claim 1 , further comprising a mechanism for attaching to an IV line for effusion of fluid from the elastomeric bladder.3. The elastomeric infusion pump of claim 1 , further comprising straps for securing the elastomeric infusion pump to a body.4. The elastomeric infusion pump of claim 1 , where said outer shell is made of a rigid plastic material claim 1 , ...

SYSTEMS AND METHODS FOR DELIVERING A THERAPEUTIC AGENT USING MECHANICAL ADVANTAGE

Devices and methods for delivering a therapeutic agent to a patient are disclosed herein. In one embodiment, a delivery system includes a reservoir containing a fluid and a fluid communicator in fluid communication with the reservoir. An actuator is coupled to the reservoir and configured to displace and exert a force on the reservoir for a time period upon actuation such that fluid within the reservoir is communicated through the fluid communicator. An amplification mechanism is coupled to the actuator. The amplification mechanism is configured to increase at least one of the force, the displacement, or the time period the force is exerted by the actuator on the reservoir. In some embodiments, a transfer structure is disposed between the amplification mechanism and the reservoir. The transfer structure is configured to contact the reservoir upon actuation of the actuator. In some embodiments, the actuator can be an electrochemical actuator. 1. An apparatus , comprising:a reservoir configured to contain a fluid;a fluid communicator configured to be placed in fluid communication with the reservoir;an actuator configured to be actuated such that a force is exerted on the reservoir for a time period upon actuation such that fluid within the reservoir is communicated through the fluid communicator; andan amplification mechanism operatively coupled to the actuator, the amplification mechanism configured to at least one of increase the force exerted by the actuator on the reservoir or increase an overall stroke of the apparatus.2. The apparatus of claim 1 , further comprising:a transfer structure disposed between the amplification mechanism and the reservoir, the transfer structure configured to contact the reservoir upon actuation of the actuator.3. The apparatus of claim 1 , wherein the amplification mechanism includes a first lever and a second lever claim 1 , the first lever and the second lever each configured to rotate about a pivot location upon actuation of the ...

FLUID MIXING CONTROL DEVICE FOR A MULTI-FLUID DELIVERY SYSTEM

The control device is used to control delivery of fluids from a multi-fluid delivery system during a medical injection procedure. The fluid delivery system includes an injector used to deliver injection fluids to a patient. The control device is operatively associated with the injector for controlling discrete flow rates of injection fluids delivered to the patient. The control device includes first and second actuators associated with the manual control device, and an electronic substrate disposed within the manual control device and having a conductive pattern. The first actuator is operatively associated with the conductive pattern. The conductive pattern includes a plurality of predetermined digital values corresponding to discrete flow rates of injection fluids to be delivered by the injector. The second actuator is operatively associated with the electronic substrate and initiates output signals to the injector corresponding to desired mixture ratios of the injection fluids to be delivered by the injector. 1. A fluid delivery system for use in medical procedures to deliver multiple injection fluids to a patient , the fluid delivery system comprising:an injector for delivering a first of the multiple injection fluids to the patient;a fluid control device for delivering a second of the multiple injection fluids to the patient; and a first actuator associated with the manual control device and controlling mixture ratios of the first and the second of the multiple injection fluids to the patient; and', 'a second actuator associated with the manual control device and controlling a flow rate of the mixture ratios of the first and the second of the multiple injection fluids to the patient,, 'a manual control device operatively associated with the injector and the fluid control device, the manual control device comprisingwherein actuation of the first actuator initiates output signals to a control unit to deliver the first and the second of the multiple injection ...

KINKLESS INFUSION SET FOR MEDICAL USE

Briefly, a kinkless infusion set has a setting control that engages a curved or helical cannula to simultaneously rotate the helical cannula as the helical cannula is moved toward a patients skin and then under the patient's skin to position the curved or helical cannula to a desired depth and position. In one example, the helical cannula is set between 3 mm and 5 mm under the patient's skin. Also, the curved or helical cannula may have side ports to allow medicine to be presented over a larger area for more effective therapeutic treatment. In some constructions the patient rotates the setting control, and in other cases the patient may push, pull or translate the setting control. 1. An infusion set , comprising:a base constructed to be attached to a patient's skin;a body storing a curved or helical cannula;a control knob that is operably connected the curved or helical cannula;wherein the patent engages the control knob to simultaneously rotate the curved or helical cannula and move the curved or helical cannula from the body to the skin such that the cannula is substantially kink free as it rotates under the patient's skin.2. The infusion set according to claim 1 , wherein the patent engages the control knob to simultaneously rotate the curved or helical cannula and move the cannula from the body to the a subcutaneous depth of between 3 mm and 5 mm.3. The infusion set according to claim 1 , the curved or helical cannula further comprising side ports.4. The infusion set according to claim 1 , the curved or helical cannula shaped to rotate into a subcutaneous depth of between 3 mm and 5 mm.5. The infusion set according to claim 1 , further comprising a rack and pinon structure operably coupling the control knob to the curved or helical cannula.6. The infusion set according to claim 1 , further comprising a rack that engages a first gear that is directly connected to the control knob claim 1 , and where a second gear that is directly connected to the curved or ...

FLOW METER AND RELATED METHOD

A system for regulating fluid flow having a processor configured to reduce image noise is provided. The system includes an image sensor to capture an image of the drip chamber. The processor captures the image of the drip chamber using the image sensor, performs an edge detection on the image to generate a first processed image, and performs a Boolean-operation on a pixel on a first side of an axis of the first processed image with a corresponding pixel on a second side of the axis of the first processed image to generate a second processed image. 1. A system for regulating fluid flow having a processor configured to reduce image noise , the system comprising: capture the image of the drip chamber using the image sensor,', 'perform an edge detection on the image to generate a first processed image, and', 'perform a Boolean-operation on a pixel on a first side of an axis of the first processed image with a corresponding pixel on a second side of the axis of the first processed image to generate a second processed image., 'an image sensor configured to capture an image of a drip chamber, wherein the processor is configured to2. The system according to claim 1 , wherein the edge detection is performed using a canny edge detection.3. The system according to claim 1 , wherein the processor is configured to match a template to the image.4. The system of claim 3 , wherein the template includes at least a partial image of a drop of the fluid forming within the drip chamber.5. The system of claim 1 , wherein the processor is configured to apply a blurring function to the image captured by the image sensor of the drip chamber.6. The system according to claim 5 , wherein the blurring function is a low pass filter.7. The system according to claim 5 , wherein the blurring function is configured to blur in a vertical direction.8. The system according to claim 5 , wherein the blurring function is configured to blur in a horizontal direction.9. The system according to claim 5 , ...

CONTINUOUS AND CONTROLLED IRRIGATION SYSTEM

An irrigation system for providing a continuous and controlled flow of a fluid, wherein said irrigation system may include a reservoir system comprising a plurality of containers of fluid; and a fluid transfer system in fluid connection with said reservoir system, said fluid transfer system comprising at least one fluid transfer head. 1. An irrigation system for providing a continuous and controlled flow of a fluid , wherein said irrigation system comprises:a reservoir system comprising a plurality of containers of fluid; anda fluid transfer system in fluid connection with said reservoir system, said fluid transfer system comprising at least one fluid transfer head.2. A method for providing a substantially continuous and controlled flow of a fluid from a reservoir , the method comprises:transferring, by at least one transfer head of an irrigation system, fluid from one of a plurality of containers of the reservoir system to an external tubing system; andconnecting the flow to an additional fixed container in fluid connection with said pumping means. This application is a continuation of U.S. patent application Ser. No. 14/637,416, filing date Oct. 19, 2016 which is a continuation of U.S. patent application Ser. No. 14/008,684 filing date Jan. 28, 2014 which is a National Phase of PCT/IL2012/000138, international filing date Mar. 29, 2012, which in turn claims priority from U.S. patent application Ser. No. 61/469,112 filing date Mar. 30, 2011, all of which are incorporated herein by reference.This invention relates to means for providing irrigation for surgical procedures in which the fluid is provided with a constant flow. In particular, it relates to such means in which the fluid is provided from a plurality of independent containers.An irrigation system is a system that delivers fluids for a predetermined amount of time and to a predetermined body part/patient in need. The present invention provides a constant flow of fluid. Such an irrigation system is useful in ...

CLOUD BIG DATA-BASED SYSTEM AND METHOD FOR INSULIN PUMP INDIVIDUALIZED CONFIGURATION OPTIMIZATION

A cloud big data-based system and method for insulin pump individualized configuration optimization are provided. The system includes an insulin pump, a real-time continuous glucose monitoring system, a smart phone, a glucose monitoring application software installed in the smart phone and a cloud big data server. By means of personal blood glucose measurement historical data of users stored in the cloud, the insulin pump individualized configuration optimization system provides effective calculation of an individualized optimal insulin injection volume and injection rate for each user, thus aiding physicians and patients to formulate diabetes treatment plans with increased effectiveness. 1. A cloud big data-based system for insulin pump individualized configuration optimization , comprising an insulin pump , a real-time continuous glucose monitoring system (CGMS) , a smart phone , a glucose monitoring application software installed in the smart phone , and a cloud big data server; whereinthe insulin pump comprises a syringe pump body with a control module and a wireless transmission module, a replaceable drug container and a subcutaneous indwelling needle; the wireless transmission module of the insulin pump is wirelessly connected to the smart phone and transmits data with the glucose monitoring application software;the real-time continuous glucose monitoring system comprises a replaceable implantable glucose sensor probe, a reusable signal collector and a signal transmitter; the signal transmitter of the real-time continuous glucose monitoring system is wirelessly connected to the smart phone and transmits data with the glucose monitoring application software;the smart phone and the glucose monitoring application software installed in the smart phone have a function of data transmission with the real-time continuous glucose monitoring system and the insulin pump through a wireless transmission technique, and a function of data upload and download through a smart ...

INFORMATION SENSING SYRINGE

Syringe systems and flow control systems configured to detect information associated with a liquid material are described. The syringe systems may include a syringe body for housing the liquid material and an injector piston for expelling the liquid material out of the syringe through a discharge outlet at a distal end of the syringe body. Components of the syringe, such as an injector piston, may include sensors configured to measure and/or detect a property of the liquid material, such as concentration, pH, or radioactivity. The flow control system may include a pinch valve and a platen arranged about a fluid delivery channel. Flow within the fluid delivery channel may be controlled by increasing (squeezing the fluid delivery channel) or decreasing the distance between the pinch valve and the platen. Components of the flow control system may include detectors configured to detect properties of fluid in the fluid control channel. 1. A syringe system comprising:a syringe body comprising a proximal open end and at least one distal discharge outlet, the syringe body being configured to house a liquid substance;a plunger positioned in the syringe body forming a seal with an inner wall of the syringe body;an injector piston configured to be received by the proximal open end and to slide within the syringe body, the injector piston being configured to engage the plunger as it slides within the syringe body to expel the liquid substance through the at least one discharge outlet; andat least one sensor configured to measure at least one property of the liquid substance.2. The system of claim 1 , wherein the at least one sensor is positioned within the injector piston.3. The system of claim 1 , wherein the at least one sensor is not in contact with the liquid.4. The system of claim 1 , wherein the at least one sensor is selected from the group consisting of radiation sensors claim 1 , pH sensors claim 1 , optical sensors claim 1 , analyte sensors claim 1 , concentration ...

DRUG INFUSION PUMP

A drug infusion pump is provided. The drug infusion pump includes a main body including a drive motor and a processor, and a cartridge module including a pump module and a drug cartridge and detachably provided in the main body. When the cartridge module is fitted in the main body, the pump module and the drug cartridge are accommodated in the main body and the pump module is coupled to the drive motor. The drug infusion pump is configured such that the pump module is coupled with the drive motor when the cartridge module is fitted in the main body. Accordingly, the cartridge may be easily separated and replaced so as to address a problem of a patient's inconvenience in using the drug infusion pump.

INFUSION SYSTEM AND METHOD FOR CONTROLLING THE FLOW RATE OF LIQUID MEDICINE THEREOF

This disclosure relates to the technical field of medical devices. Some embodiments provide an infusion system and a method for controlling a liquid flow rate of the infusion system, which can automatically adjusting the infusion flow rate according to the current physical condition of a patient. The infusion system comprises an infusion device and a monitoring device. The infusion device comprises an infusion tube for receiving liquid medicine from a liquid medicine container, and the infusion tube may be provided with an infusion flow rate regulating device for regulating the flow rate of the liquid medicine. The monitoring device may be configured for monitoring physiological parameters of the patient, and may control the infusion flow rate regulating device to regulate the flow rate of the liquid medicine according at least to the physiological parameter information of the patient. 1. An infusion system , comprising: an infusion device and a monitoring device ,the infusion device comprising an infusion tube for receiving liquid medicine from a liquid medicine container, the infusion tube being provided with an infusion flow rate regulating device for regulating a flow rate of the liquid medicine;the monitoring device being configured for monitoring physiological parameters of a patient, and controlling the infusion flow rate regulating device to regulate the flow rate of the liquid medicine according at least to the physiological parameter information of the patient.2. The infusion system of claim 1 , wherein the monitoring device is a wrist monitoring device.3. The infusion system of claim 1 , wherein the monitoring device comprises a physiological parameter monitoring module claim 1 , a communication module and a processing module;the physiological parameter monitoring module being configured to monitor the patient's physiological parameters;the processing module being configured to obtain the liquid flow rate information at least according to the patient's ...

MEDICAL PUMP, MEDICAL PUMP SYSTEM, AND METHOD FOR CONTROLLING MEDICAL PUMP SYSTEM

Provided is a medical pump for achieving continuous administration of a medicine by performing sequential driving with another medical pump. The medical pump includes: a pump driving unit for administering the medicine in accordance with a setting; a communication unit for performing communication between the other medical pump; a control unit for controlling individual driving of the pump driving unit and the communication unit; and an operation unit connected to the control unit. In a single administration period, the control unit judges a timing of starting cooperative administration of simultaneously driving the pump driving unit together with a pump driving unit of the other medical pump on the basis of the setting and on the basis of an input from the operation unit. 1. A medical pump comprising:a pump driving unit that administers a medicine in accordance with a setting associated with the medicine;a communication unit that performs communication between the medical pump and a second medical pump;a control unit that controls the pump driving unit and the communication unit; andan operation unit in communication with the control unit, wherein the operation unit controls the administration of medicine by the medical pump and the second medical pump, and wherein, during the continuous administration of the medicine by the medical pump and then the second medical pump, the control unit determines when to start a cooperative administration period for administering the medicine with the first medical pump and the second medical pump by concurrently driving the pump driving unit and a second pump driving unit of the second medical pump based on the setting and a manual input received from the operation unit.2. The medical pump according to claim 1 , further comprising a display unit configured to display start information for starting the cooperative administration period by the manual input received from the operation unit.3. The medical pump according to claim 2 , ...

FLUID CONTROL DEVICE

A fluid control device includes a tube insertion portion formed in a casing, a fixing member that fixedly holds, in the tube insertion portion, a tube inserted into the tube insertion portion, a pressing member driven by an actuator to press the tube within the tube insertion portion, and a controller that controls the actuator for the pressing member, wherein the controller controls the pressing member to start pressing on the tube after the fixing member has fixedly hold the tube in the tube insertion portion. 1. A fluid control device comprising:a tube insertion portion provided in a casing;a fixing member that fixedly holds, in the tube insertion portion, a tube inserted into the tube insertion portion;a pressing member driven by an actuator to press the tube within the tube insertion portion; anda controller that controls the actuator that drives the pressing member,wherein the controller controls the pressing member to start pressing on the tube after the fixing member fixedly holds the tube in the tube insertion portion.2. The fluid control device according to claim 1 , wherein the fixing member is displaced between a tube fixing position at which the fixing member fixedly holds the tube in the tube insertion portion and a tube attaching/detaching position at which the fixing member allows the tube to be attached to and detached from the tube insertion portion claim 1 , andthe pressing member maintains the fixing member at the tube fixing position at least during a period in which the pressing member presses the tube.3. The fluid control device according to claim 2 , further comprising an operating member that receives an operation of displacing the fixing member from the tube fixing position to the tube attaching/detaching position; anda first resilient member that applies resilient force acting on the fixing member to displace the fixing member from the tube attaching/detaching position to the tube fixing position.4. The fluid control device according to ...

FLOW RATE MEASUREMENT AND CONTROL OF INFUSION DEVICES

An infusion apparatus includes a housing and a chamber configured to be connected to the housing. The apparatus further includes a weight sensor coupled to a load connector connected to the housing and an optical sensor disposed in the housing. The weight sensor is configured to generate a first signal based on a measured weight of the fluid container attached to the housing in a weight-bearing configuration. The optical sensor is configured to generate a second signal based on detecting drops of the fluid traversing the chamber. The apparatus also includes a flow control mechanism to control a flow rate of the fluid into an outlet channel. The apparatus includes one or more processing devices configured to perform operations including transmitting a control signal to the flow control mechanism to adjust the flow rate. 1. An infusion apparatus that dispenses fluid from a fluid container into an outlet channel , the apparatus comprising:a housing;a load connector attached to the housing and configured to accept the fluid container to be attached to the housing in a weight-bearing configuration;a chamber configured to be disposed in a fluid path between the fluid container and the outlet channel, wherein the chamber is configured to enable formation of drops as the fluid traverses the chamber;a weight sensor coupled to the load connector, wherein the weight sensor is configured to generate a weight signal based on a measured weight of the fluid container attached to the housing in the weight-bearing configuration;an optical sensor configured to generate drop signals based on detecting the drops of the fluid traversing the chamber;a flow control mechanism disposed in the fluid path between the fluid container and the outlet channel, wherein the flow control mechanism is configured to control a flow rate of the fluid in the outlet channel; accessing a representation of a medical fluid library that includes information on fluid parameters for a plurality of medical ...

Fluid Infusion Device

A fluid infusion device is provided with a cannula spring which functions as an introducer needle, a retraction return spring, and a fluid path. A hollow cannula tubing is wound, bent and sharpened into a shape which allows it to operate as an introducer needle, retraction spring and fluid path in an infusion device. A button is used to insert the introducer needle portion of the cannula spring and a soft catheter, and once the introducer needle portion and catheter have been fully inserted, an engagement between the button and post of the base of the infusion device releases the cannula spring such that the introducer needle portion of the cannula spring automatically retracts, leaving the catheter in the body. An end of the introducer needle portion of the cannula spring remains in fluid communication with the catheter in the body to provide an uninterrupted fluid path. 1. An fluid infusion device , comprising:a body, comprising an activation button;a base, slidably receiving said activation button; anda hollow cannula tubing member having an introducer needle portion and a spring portion,wherein said activation button is slidable to insert said introducer needle portion of said tubing member into a body of a user and activate said spring portion of said tubing member, and upon insertion,release said spring portion of said tubing member to retract said introducer needle portion of said tubing from said body of said user.2. The fluid infusion device of claim 1 , wherein said hollow cannula tubing member further comprises a fluid path portion.3. The fluid infusion device of claim 2 , further comprising:a catheter for insertion by said introducer needle portion of said tubing member into said body of said user,wherein an end of said introducer needle portion of said tubing member remains in fluid communication with said catheter in said body of said user to comprise an uninterrupted fluid path.4. The fluid infusion device of claim 1 , further comprising:a detent ...

RUGGED IV INFUSION DEVICE

A rugged infusion device capable of exerting consistent pressure onto an IV bag for intravenous medical use, wherein said device and said IV bag are surrounded by a rugged outer shell having a proximal and distal parts with respect to the device, said distal part comprising one or more of a flow regulator, a modulator, and a flow meter for regulating, smoothing, and measuring the flow of fluids effused from the IV bag, wherein said rugged proximal parts are capable of absorbing impacts to minimize the force imparted to the rugged infusion device. 1. A rugged infusion device suitable for containing sterile liquids and comprising a force imparting mechanism to provide constant pressure to an IV bag and thereafter expelling said fluids; further comprising a rugged outer shell comprised of a proximal and distal parts in relation to the force imparting mechanism , said distal part comprising one or more of a flow regulator and a flow meter , and wherein said rugged proximal and distal parts are capable of absorbing impacts to minimize the force imparted to the infusion pump.2. A rugged IV infusion device comprising a device to provide constant pressure to an IV bag , a rugged outer shall , a flow regulator , a modulator , and a flow meter; wherein said device is capable of provide a pressure of up to 20 PSI; said rugged outer shell having a proximal and distal part in relation to said IV bag , and a rugged inner housing having a proximal and distal part in relation to the IV bag , comprising a shock absorbing material disposed there between , and wherein the proximal part comprises an outlet and inlet and said IV bag being contained within the proximal part; said distal part comprising a flow regulator , a modulator , and a flow meter.3. The infusion device of or further comprising a mechanism for attaching to an IV line for effusion of fluid from the IV bag.4. The infusion device of or further comprising straps.5. The infusion device of or where said outer shell is made ...

Medication Infusion Device

A wearable infusion device for delivering medication into body of a user, the infusion device comprising a medication container containing a volume of medication to be dispensed; an infusion needle that is fully enclosed in a sterile environment until the infusion needle is inserted into underlying tissue; an infusion needle insertion mechanism associated with the infusion needle, powered by one or more mechanical springs, that when activated, inserts the infusion needle through the skin into underlying tissue; means for delivering medication out of the medication container and into underlying tissue via the infusion needle; and a housing associated with the medication container, the infusion needle, the infusion needle insertion mechanism and the means for delivering medication. 1. A wearable infusion device , for delivering medication into body of a user , comprising:a medication container containing a volume of medication to be dispensed;an infusion needle that is fully enclosed in a sterile environment until said infusion needle is inserted into underlying tissue;an infusion needle insertion mechanism associated with said infusion needle, powered by one or more mechanical springs, that when activated, inserts said infusion needle through the skin into underlying tissue;means for delivering medication out of said medication container and into underlying tissue via said infusion needle; anda housing associated with said medication container, said infusion needle, said infusion needle insertion mechanism and said means for delivering medication.2. A wearable infusion device as in claim 1 , wherein said infusion needle is straight.3. A wearable infusion device as in claim 1 , wherein said medication container is a cartridge.4. A wearable infusion device as in claim 1 , wherein said medication container is a syringe with attached needle.5. A wearable infusion device as in further comprising means for attaching said infusion device onto body of said user.6. A wearable ...

Method for Producing Medically-Deliverable Intravenous Solution

A device, kit, and method for producing medically-deliverable intravenous solution may include supplying a water to a housing, pumping the water through the housing while purifying the water, metering concentrated intravenous solution into the water to create a medically-deliverable intravenous solution, and dispensing the medically-deliverable intravenous solution, such as immediate intravenous infusion to a patient. 1. A method of intravenous administration of a medically-deliverable intravenous saline solution to a patient , the method comprising:supplying water to a housing;pumping the water through the housing while purifying the water;metering a concentrated intravenous saline solution into the water so that the concentrated intravenous saline solution and the water are mixed to create a medically-deliverable intravenous saline solution; andintravenously infusing the medically-deliverable intravenous saline solution to the patient.2. The method of claim 1 , wherein the supplying step includes supplying the water from at least one of a water supply container and a regional water supply.3. The method of claim 1 , further including adjusting a P.H. of the supplied water.4. The method of claim 3 , wherein the adjusting a P.H. of the supplied water includes adding HCl to the supplied water in a P.H. adjustment chamber.5. The method of claim 3 , further including sensing a P.H. of the supplied water before adjusting a P.H. of the supplied water based on the sensed P.H of the supplied water.6. The method of claim 1 , further including receiving the concentrated intravenous solution and the water in a mixing chamber after the pumping and metering steps and before the intravenously infusing step.7. The method of claim 6 , further including transferring the concentrated intravenous solution and the water along a mixing channel before receiving the concentrated intravenous solution and the water in the mixing chamber.8. The method of claim 6 , further including filtering ...

SELECTOR

The present invention relates to a selector, and more particularly, to a selector that may interrupt or regulates flows of a fluid, and selectively discharge a preset quantity of the introduced fluid. Because the fluid introduced may be accurately discharged at a predetermined flow rate according to the set inner diameters of the tubes through a simple manipulation, the selector may be conveniently used and an accurate flow rate may be consistently adjusted, and the selector may be conveniently manufactured without using an adhesive. 1. A selector comprising:{'b': '100', 'a body ();'}{'b': 110', '100, 'an inlet () located on one side of the body ();'}{'b': 120', '100, 'an outlet () located on the other side of the body ();'}{'b': 111', '110', '100, 'a circular upper passage (), one side of which communicates with the inlet () and which is located on an upper side of the body ();'}{'b': 121', '120', '111, 'a circular lower passage (), one side of which communicates with the outlet () and which is disposed in parallel to the lower side of the upper passage ();'}{'b': 200', '111', '121', '121, 'a plurality of tubes () disposed in parallel along circumferences of the upper passage () and the lower passage (), having different inner diameters, and lower side of which communicate with the lower passage (); and'}{'b': 300', '111', '200', '100', '310', '111', '200, 'a first sealing member () located to be rotatable to cover upper side of the upper passage () and upper sides of the plurality of tubes (), on an upper side of the body () and having a communication recess () disposed to or not to overlap any one of the upper side of the upper passage () and the upper sides of the plurality of tubes (), on a lower surface thereof,'}{'b': 111', '121', '200', '310', '300, 'wherein the upper passage () and the lower passage () selectively communicate with the tubes () according to a location of the communication recess () through rotation of the first sealing member ().'}2. The ...

System and method for closed-loop patient-adaptive hemodynamic management

A system and method for patient-adaptive hemodynamic management is described. One embodiment includes a system for hemodynamic management including transfusion, volume resuscitation with intravenous fluids, and medications, utilizing monitored hemodynamic parameters including the described dynamic predictors of fluid responsiveness, and including an intelligent algorithm capable of adaptation of the function of the device to specific patients.

Power Injector Device and Method of Use

Automated injection system disclosed in this application advantageously provides physicians with a simplified interface for selecting fluid sources, such as saline, contrast, or a mixture of both, to inject at high pressures. The injector system may comprise a multi-use subassembly, a single-use subassembly, a fitting to fluidly connect the multi-use and single-use subassemblies, a hand held controller, a user interface, and an injector housing.