Trokarhülse

The invention concerns a trocar sheath for endoscopic use, the trocar sheath comprising an elongate part having at least one channel into which an instrument, for example, an endoscope, scissors, or the like, can be inserted, and, at the distal end, movable, pivotable parts. The trocar sheath according to the invention is characterized in that its distal region is formed by a plurality of longitudinal sections which are articulated on the proximal part of the trocar sheath, A mechanism is provided which pivots the individual longitudinal sections about an axis perpendicular to the longitudinal axis of the trocar sheath.

Trocar, comprising of main part and several exchangeable special parts for various operations, which can be inserted into funnel shaped main part

The funnel-shaped main part (1) is held within a dome-shaped lid (14) with two locking elements (13), tensioned by springs (12). When a ring segment (10), enveloping the complete main part, is slightly squeezed between thumb and forefinger, the locking elements (13) are released and the specific device, e.g. a guide with a solid needle (2), or any other specific part, needed for a certain operation can be exchanged. The lid (14) is secured with a ring seal (15).

Nahthilfegerät für minimal invasive chirurgische Eingriffe

The invention relates to a suturing aid (10) for closing of mini-laparotomies from minimally invasive surgical operations. Said device has a shank (12) with at least one flat rest (46) which is arranged at the distal end of said shank and can be pivoted out to the side. An actuation member (26) is used to swivel the rest (46) which can be guided between a operating position folded up towards the proximal end, a working position pivoted out to the side and a working position folded down towards the distal end.

Expandierende Kanüle

Detachable anchor for guiding tool of minimally invasive surgery

SIGMOIDOSCOPIC DEFLATION DEVICE

MORE BY SURGERY WUNDRETRAKTOR

DIRECT vision HAVEN DISSEKTOR

SMOOTH HOLDING DEVICE

RADIALLY EXPAND-CASH ANCHORAGE GUIDANCE FOR TROKARE

EXPANDING SEALING ANCHOR FOR SINGLE INCISION SURGERY

EQUIPMENT FOR THE TREATMENT OF FABRIC WITH LIABILITIES INJECTION SYSTEMS

DEVICE TO THE INTRODUCTION OF CATHETERS OR NEEDLES INTO A PART OF THE BODY

SET FOR THE CREATION OF AN ARTIFICIAL CARDIA

VOTING PROSTHESIS AS WELL AS DEVICE FOR USING THE SAME

PROCEDURE AND DEVICES FOR THE PRODUCTION OF KOLLATERALEN CHANNELS IN THE LUNGS

Seizing instrument

Expandible surgical access device

Access assembly with spherical valve

ACCESS ASSEMBLY WITH SPHERICAL VALVE Abstract A surgical portal apparatus (2) includes a portal member (10) dimensioned to access tissue and having a longitudinal passageway therethrough to permit access to 5 underlying tissue, and defining leading and trailing ends, a seal housing (20) associated with the portal member (10) and a seal mount (30) at least partially disposed within the seal housing (20). The seal mount (30) is adapted for rotational movement within the seal housing (20). The seal mount (30) includes an instrument seal adapted to establish a substantial sealed relation with a surgical object introduced within the longitudinal io passageway and a closure valve (40) adapted to substantially close the longitudinal passageway in the absence of the object. 10< ...

Surgical access port system

Embodiments of a surgical access port system that comprises a retractor that is adapted for being coupled to a cap and that is particularly useful in natural orifice surgery are described. The retractor comprises an outer ring, wherein the outer ring is configured to be disposed proximate the natural orifice of the patient and substantially surround the orifice; a tubular body; and a funnel segment extending between and coupling the outer ring and the tubular body, wherein the funnel segment provides a diametric reduction between the relatively large diameter of the outer ring and the relatively smaller diameter of the tubular body, which is sized to fit within a natural orifice with minimal distention of the orifice.

Surgical access apparatus and method

Expandable multifunctional manipulating instruments for various medical procedures

APPARATUS AND METHOD FOR USING A VASCULAR INTRODUCER WITH AN ULTRASONIC PROBE

Single port access system

Seal port with adjustable height

SEAL PORT WITH ADJUSTABLE HEIGHT A surgical apparatus (10), for positioning within a tissue tract to access an underlying body cavity, is provided. The surgical apparatus (10) includes a first and second member (100, 200). The first member (100) has a proximal ramp section (104), an accordion section (110), and a retaining portion (120). The first member (100) defines a first longitudinal 'X' axis, a first proximal end, and a first distal end. The second member (200) has a tubular proximal section (202), a portal portion (210), and a distal flange (220). The second member (200) defines a second longitudinal 'Y' axis, a second proximal end, and a second distal end. The second member (200) includes a retaining structure (214) to couple the first member (100) to the second member (200). The first member (100) is located at least partially in the tubular section (202) of the second member (200). 5577403-1:EEB - c . . .. .0 * ??$7- 0,9 C)? TyS S -.. * 0c *.. - * * - e *o - - -- o .~ ~ * ....

Flexible endoscopic surgical port

Retractable safety penetrating instrument for portal sleeve introduction

Bladder control insertion apparatus and method

PORT FIXATION WITH FILAMENT ACTUATING MEMBER

SYSTEMS, DEVICES AND METHODS FOR ACCESSING A BODILY OPENING

Medical systems, devices and methods are provided for accessing a bodily opening that, among other things, are safe and reliable, and facilitate manipulation of a medical instrument. The medical access device generally includes an elongated flexible sheath and an expandable frame connected to the distal end of the flexible sheath. The sheath and expandable frame are operable between expanded and collapsed configurations to provide a pathway from a natural orifice to the bodily opening.

METHODS AND SYSTEMS FOR ACCESSING THE PERICARDIAL SPACE

ACCESS ASSEMBLY WITH SEAL LUBRICANT MECHANISM

The present disclosure provides cannulas for use in surgery. The cannulas possess an anchoring member at a portion thereof which adopts an alternate shape upon the application of energy, thereby securing the cannula to tissue.

EXPANDING SEAL ANCHOR FOR SINGLE INCISION SURGERY

The present disclosure relates to a surgical anchoring apparatus for use during a minimally invasive surgical procedure. The surgical anchoring apparatus includes a body member and a dilator element at least partially positionable therein. The body member includes a grip segment adapted for manual engagement by a user and an expandable section having a plurality of expandable segments and a plurality of cam surfaces. The grip segment resiliently transitions between a first or normal state and a second state in which the grip segment is at least partially inverted. The expandable section's cam surfaces are configured to engage a distal end of the dilator element upon its insertion such that the expandable section may transition from an initial condition to an expanded condition in which the body member is secured or anchored within an incision in tissue.

BONE TAMP APPARATUS AND METHOD

Bone tamps have been simple solid metal rod shaped devices for the displacement of bone that are limited in their operational use by the lack of longitudinal through holes and narrow cross-sections. A tamping apparatus is described that includes a cannula that has a tubular wall that includes a longitudinally aligned aperture that provides access for a guide wire as well as the injection of treatment materials such as a bone graft and a distal end portion that defines a tamping face. The distal end portion of the cannula includes a plurality of movable elements that can be a part of or connected to the tubular wall. An insert or a stylet of the tamp apparatus is movable within the aperture of the cannula and selectively moves the elements between a first position and second position of the tamp apparatus with an increased tamping face area.

EXPANDING CANNULA

An elongated cannula with an inner tube that is designed to cooperate wit h a corresponding outer tube. The cannula includes a cam mechanism/ a plural ity of flexible members designed to expand and deploy when the inner and out er tubes move relative to each other, and a pressure ring disposed on the ou ter tube. The inner and outer tubes are slidably moveable relative to each o ther in at least one direction.

SECURABLE CANNULA AND METHOD

A medical device (50) suitable for introducing a medical instrument into a patient includes an outer cannula (52) and at least one arm (54) connected to the cannula toward a proximal portion of the at least one arm. The at least one arm (54) is deployable between a closed position and an open position. An inner member (82) is telescopically received in the outer cannula to hold each arm in the closed position. The inner member is deployable to disengage from the arm after the device is inserted into a patient, thereby freeing the arm (54) to be deployed to the open position where it helps hold the outer cannula in the patient. The inner member includes an inner cannula and/or a trocar (84).

NATURAL ORIFICE SURGERY SYSTEM

Embodiments of a surgical access port system that comprises a retractor that is adapted for being coupled to a cap and that is particularly useful in natural orifice surgery are described. The retractor comprises an outer ring, wherein the outer ring is configured to be disposed proximate the natural orifice of the patient and substantially surround the orifice; a tubular body; and a funnel segment extending between and coupling the outer ring and the tubular body, wherein the funnel segment provides a diametric reduction between the relatively large diameter of the outer ring and the relatively smaller diameter of the tubular body, which is sized to fit within a natural orifice with minimal distention of the orifice.

COMBINATION LAPAROSCOPIC ELECTROSURGICAL INSTRUMENT AND PROBE

TITLE: COMBINATION LAPAROSCOPIC ELECTROSURGICAL INSTRUMENT AND PROBE A combination laparoscopic electrosurgical instrument and probe and method of using same are disclosed. An instrument head is carried on an electrode and is selectively moveable between expanded and retracted positions to permit the device to be used as a probe when the electrode is completely retracted. A fluid passageway also is provided for irrigation/suction purposes.

GEAR ACATIVATED TROCAR ASSEMBLY

SEIZING INSTRUMENT

This invention is an instrument for seizing walls of a body cavity including a first portion (22) and a second portion (30), the second portion being insertable into the cavity and being reversibly deformable from a first (fig. 5A) to a second (fig. 5B) configuration while inside the cavity, the first portion being operative to reversibly deform the second portion from the first to the second configuration, the second portion when in the second configuration being operative to seize the walls of the cavity.

CATHETER FOR THE INJECTION OF MEDICINES

A catheter far the injection of a fluid, for example, medicine, into body cavities such as veins or other hollow organs is provided with a head which is insertable into the body cavity and includes hollow needles movably disposed therein between retracted and extended positions and with an operating mechanism mounted to the end of the catheter opposite the head and operatively connected to the needles for moving their front ends outwardly in contact with the walls of the body cavity for supplying the fluid or medicine through the hollow needles directly to the wall portions of the body cavities to be treated. A balloon may be disposed in front of the catheter head and may be inflated or deflated by way of a passage extending through the catheter.

EXPANDABLE MULTI-FUNCTIONAL MANIPULATING INSTRUMENTS

An expandable multi-functional instrument (10) for performing various diverse operative procedures, includes an elongate distensible member (18) having a distal end (26) for being introduced in an anatomical cavity via a relatively small size anatomical opening, and being movable from a non-distended position facilitating introduction through the anatomical opening to a distended position wherein the cross-sectional size of the distensible member is increased, and a plurality of collars (20) disposed on portions of the distensible member (18) for constraining movement of the distensible member portions to the distended position. The collars (20) are movably mounted on the distensible member (18) for adjusting the location and size of unconstrained distensible portions (34) of the distensible member (18) adjacent the collars (20). A method of performing an operative procedure in an anatomical cavity includes the steps of introducing a distal end of an elongate distensible member in the anatomical ...

SURGICAL ACCESS PORT

A device for retracting edges of an incision in a surface to form an opening including: a flexible, tubular skirt having an upper end, a lower end, and a channel therebetween; a ring connected to the lower end of the skirt for maintaining the lower end in an open configuration and defining an exit opening to the channel; and an inflatable collar connected to the skirt and surrounding the upper end. The ring is designed to fit through the incision and remain under the surface when it is oriented parallel to the surface. The collar, when inflated, maintains the upper end in an open configuration and defines an entry opening to the channel. During use, the ring is inserted through the incision and the collar is inflated while remaining outside of the incision, thereby drawing the skirt against the edges of the incision and retracting the edges of the incision to form the opening. The retracting device can be included in a surgical access port, which further includes a flexible sleeve connected ...

SURGICAL HAND ACCESS DEVICE

The hand access device (10) comprises an outer sleeve (11) an inner sleeve (12) and a flange (13). The proximal end of the device (10) is sealed by the outer sleeve (11) being inflated by gas and the distal end is sealed by the walls of the inner sleeve (12) being collapsed by gas pressure within a patient's body cavity acting on the walls of the inner sleeve (12). The device (10) is fitted with an internal ring (15) attached with an apron (16) to the inner sleeve (12). The internal ring (15) anchors the device below the abdominal wall of the patient and the apron (16) acts as a wound protector around the site of the incision in the patient's body.

The expansion of the medical device delivery system

FIRST-WAY SYSTEM FOR ENDOSCOPIC OPERATIONS

TROCAR FOR A LAPAROSCOPE, CAPABLE OF PREVENTING AIR FROM BEING INPUTTED TO THE ABDOMEN IN A LAPAROSCOPY

PURPOSE: A trocar for a laparoscope is provided to stably perform a surgical operation by preventing a trocar sleeve from the abdomen by forming a protrusion on the outer circumference of the trocar sleeve. CONSTITUTION: A head unit(10) is comprised of an upper case(11) with an installation hole and a hanging groove and a lower case with a trocar sleeve fixing protrusion(13) and an injection hole fixing protrusion(14). A trocar sleeve(17) is installed on the lower side of the lower case. A rib valve(20) is installed inside the heat unit. An insertion unit(30) is installed on the upper side of the rib valve. A button unit(40) is comprised of an elastic bush which is inserted into both sides of the lower case and a button(41) which is elastically installed on the elastic bush. A trocar needle(50) is inserted into the trocar sleeve through the insertion unit or rib valve. COPYRIGHT KIPO 2010 ...

METHOD AND APPARATUS FOR SEALING A GASTRIC OPENING

An anchorable cannula adapted for positioning within an opening formed in tissue includes a cannula body having a proximal portion and distal portion. The proximal portion and the distal portion are linked by a circumferential ring positioned therebetween. The proximal portion includes a series of foldable arms extending upwardly from the circumferential ring and ending at a circumferential seal ring formed at a free end of the proximal portion. The distal portion includes a series of foldable arms extending downwardly from the circumferential ring and ending at a circumferential seal ring formed at a free end of the distal portion.

INSTRUMENTS AND METHODS FOR SELECTIVE TISSUE RETRACTION THROUGH A RETRACTOR SLEEVE

Methods and instruments (10) for performing surgery in a patient are provided that minimize tissue dissection and retraction to access locations within the patient. One specific application concerns devices, instruments (10) and techniques that provide for selective retraction of tissue, neural elements, organs or other anatomical structures at locations distally of the retractor sleeve (20) providing percutaneous access to the locations.

TRAJECTORY GUIDE

A trajectory guide (10) includes a guide body (12) defining a selected trajectory through an entry aperture or opening, engagement surfaces (48) for insertion into the entry aperture, and a fixing mechanism (20) coupling the guide body with the engagement surfaces. The engagement surfaces may be easily fixed within an entry aperture and the guide body positioned in. a selected orientation using the fixing mechanism to provide simple mounting of the trajectory guide. In some instances, the engagement surfaces may be fixed within the entry aperture and the guide body fixed in a selected orientation with a single fixation motion.

DEVICE FOR ENTERAL FEEDING

The device (1) for enteral feeding, particularly for the replacement of PEG probes, comprises a feeding tube (2) for administering a nutritional substance having at least an inlet mouth (2a) and at least an outlet mouth (2b) and which can be inserted at least partially inside the stomach of a patient and internal retention means (3) associated with the tube (2), which can be widened to prevent the accidental removal, during use, of the feeding tube (2) outwards and mobile from an extended configuration to a widened configuration and vice versa by means of the compression and the extension respectively of at least a portion of the feeding tube (2).

Cannula for preventing spraying of liquid

A cannula for preventing spraying of liquid is disclosed. The cannula includes a support tube partially inserted into a human body to guide a surgical instrument to an inside of the human body and a handle integrally formed with the support tube to allow the surgical instrument to be in and out of the human body, wherein the handle further includes a plurality of seal plates coupled to an inside thereof to prevent spraying of liquid onto an operator by an internal pressure of the human body and an outlet formed at a side surface thereof to reduce an internal pressure of the handle to atmospheric pressure.

System and method for transapical access and closure

Embodiments are described for creating and closing tissue access ports, such as transapical access ports, which involve placement of an introducer across the subject tissue structure, and deployment of a controllable port closure device assembly configured to remain in place with a ratcheting mechanism, and to hold the tissue surrounding the previous access port location closed against a sealing disc with proximal and distal strut assemblies, after the introducer has been removed.

Methods and apparatus for providing intra-pericardial access

A method and apparatus for accessing the pericardial space is provided for stable short term or long term placement of a delivery catheter or cannula having its distal-most end fixed on the endocardial surface such that a pericardial access device including a dilator and a puncturing device may be advanced through the myocardium into the pericardial space. The catheter is provided with a distal fixation member that maintains the catheter position over the myocardial pericardial access created by the access device allowing various medical instruments to be passed through the pericardial access into the pericardial space. Alternatively, the catheter may be positioned against the septal wall to access a left heart chamber via a right heart chamber.

SYSTEMS FOR ANCHORING A MEDICAL DEVICE IN A BODY LUMEN

A system for securing a device in tissue, having a sheath having a plurality of side openings; a rotatable element disposed within the sheath; and a plurality of curved projections extending from the rotatable element, wherein rotation of the rotatable element within the sheath pushes distal ends of each of the curved projections outwardly through one of the plurality of openings and into the tissue.

Surgical sleeve and trocar

A surgical sleeve includes a housing and inner and outer sleeves coupled to the housing. A modular expandable hinge member is coupled to the outer sleeve and defines a radially expandable member to prevent inadvertent withdrawal of the surgical sleeve from a body cavity. A trigger is carried by the housing to cause relative movement between the inner and outer sleeves and radial expansion of the expandable member. The housing is further provided with a transversely slidable reducer assembly having three outer diameter seals for sealing against the exterior of surgical instruments having a variety of outer diameters. A trocar is provided for use with the surgical sleeve that is modular in construction and includes a shaft member and a modular, tubular, metallic cutting portion. The cutting portion forms only a portion of the trocar spike and the length of the shaft member governs the overall length of the trocar.

Method and apparatus for percutaneously securing a bone screw and a bone plate to a bone of a patient

A method of percutaneously implanting a first component and a second component of an orthopaedic assembly into a body of a patient includes the steps of securing a first instrument to the first component, and advancing the first component into the body of the patient. The first instrument is advanced into the body of the patient such that a portion of the first instrument extends out of the body. A second instrument is secured to the second component, and the second component is advanced into the body of the patient. The second instrument is advanced into the body of the patient such that a portion of the second instrument extends out of the body. A third instrument is advanced into contact with both the first instrument and the second instrument so as to position the first component and the second component in a predetermined position relative to one another. An instrument assembly for percutaneously implanting an orthopaedic assembly is also disclosed.

TISSUE GRIPPING APPARATUS FOR USE WITH A CANNULA OR TROCAR ASSEMBLY

Port off-pump beating heart coronary artery bypass heart stabilization system

A heart stabilizer includes a shaft and two articulating arms coupled to a distal end of the shaft. At the end of each arm is a rotatable foot adapted to be angled relative to the heart wall contour and apply pressure against the wall of the heart to effectively eliminate motion of the heart wall between the feet. The stabilizer is adapted to provide a stabilized area sufficiently large to allow an accurate anastomosis to be performed. According to preferred aspects of the invention, the stabilizer is particularly adapted to be collapsible (foldable) to be inserted through the port device and locked longitudinally relative thereto. The stabilizer is also preferably adapted to be automatically deployed into its final configuration by release of a lock actuated at a proximal portion of stabilizer extending outside the port. In addition, the stabilizer is adapted to automatically fold when being pulled back through the port. According to various embodiments of the heart stabilizer, the feet ...

Multifunctional devices for use in endoscopic surgical procedures and methods therefor

A multifunctional device for use in an endoscopically performed operative procedure of the type where a narrow portal is established through the skin to provide access to an operative site and the multifunctional device is introduced to the operative site through the narrow portal. The multifunctional device is formed of an absorbent material, preferably expandable, having a substantially rigid dry state prior to introduction to the operative site and a soft, flexible wet state after absorbing fluids. The absorbent material can be formed with a spine therein of either a continuous or a discontinuous, segmented construction, and the spine can be branched and tubular or solid. The absorbent material can have portions or segments thereof expandable to different sizes to produce rounded protuberances to facilitate manipulation at the operative site and can have predetermined, non-straight configurations in the wet state, the predetermined configurations being controlled by the spine in the ...

Observation apparatus that detects position of a treatment tool from an image

A body cavity observation apparatus includes a treatment tool to be inserted into a body cavity of a subject with an insertion tool as a guide, an observation section attached to an opening of a body wall of the subject, a monitor for displaying the body cavity captured by the observation section, and a marker position-detecting device for detecting a position of a marker part applied to the treatment tool or insertion tool from an image showing the body cavity captured by the observation section. The marker position-detecting device includes a pixel extracting device for extracting a group of pixels in the same color as the color of the marker part from the image and a calculation device for calculating a position of the barycenter of the group of pixels as a position of the marker part. The pixel extracting device extracts a pixel whose output value of a color component included in a color of the marker part among R, G, and B output values outputted from an image pickup device of the ...

Devices and methods for percutaneous access, hemostasis, and closure

The present invention provides methods and devices for obtaining percutaneous access, maintaining hemostasis, and providing closure of openings in tissues of the body. In particular, the present invention provides methods and devices for maintaining hemostasis and providing closure surgical incisions of the left ventricular apex of the heart.

Button port

The present disclosure relates to a surgical access apparatus (10) for positioning within an incision in tissue. In one aspect of the present disclosure, the surgical access apparatus includes an elongated seal member (200) configured to removably receive at least one surgical object, and a deployment member (100). In another aspect of the present disclosure, the surgical access apparatus includes a housing (300) configured to removably receive at least one surgical object, an elongated member (400), and at least one filament (500). A method of percutaneously accessing an underlying surgical work site using the surgical apparatus is also disclosed.

REMOTE BODY TISSUE ENGAGING APPARATUS

DEVICE FOR PROVIDING THORACOSCOPIC INTRACARDIAC ACCESS

SURGICAL HAND ACCESS APPARATUS

Trocar anchor

Apparatus and methods for providing access to a body cavity without substantial loss of inflation gas therein. The apparatus includes an access assembly that has a tubular member having a proximal end, a distal end, an elastic portion interposed the proximal end and the distal end, and a lumen therethrough. An anchor sleeve is disposed coaxially over the tubular member and has a radially expandable region. The anchor sleeve is moveable between an axially elongated configuration and an axially shortened configuration and is biased toward the axially shortened configuration by a force exerted by the elastic portion of the tubular member. The axially shortened configuration corresponds to the anchor sleeve being in the fully deployed position. Methods for providing anchored access to a cavity within a patient are also disclosed.

Insertion assisting tool for an endoscope

An insertion assisting tool (20) when inserting an endoscope (30) into the gastric fistula catheter (10) that has been inserted in the fistula formed in the patient's body comprises a cylindrical body (21) that can be engaged with a gastric fistula catheter (10) wherein an endoscope can be inserted through a valve press member (22) and a sealing member (23). The valve press member (22) can be installed detachably by screwing the screw threads with the edge portion at an opposite side of the portion engaged with the gastric fistula catheter in the cylindrical body, and is formed in a cap form having a hole portion in the sealing portion. The sealing member (23) seals the space between the cylindrical body and the endoscope when it is pressed against the endoscope set at the space between the end portion of the cylindrical body and the valve press member.

Surgical access port

The present invention relates to an apparatus for use in a coronary bypass procedure at a coronary vessel on a heart wall, said apparatus comprising a conduit having first and second arms each having first and second ends, the configuration and sizes of the conduit being such that when the said first arm is inserted into said heart chamber so that its end is in blood flow communication with blood contained within said chamber, the second arm can extend exterior of the heart wall for connection with a neighbouring coronary vessel, such that its second end is in blood flow communication therewith.

LOCKING PIVOTAL SURGICAL ORIFICE

КАТЕТЕР ДЛЯ ИНЪЕКЦИИ ЛЕКАРСТВ

Катетер предназначен для введения лекарственной жидкости в полости тела, например вены и другие полые органы. Несколько полых игл расположены в катетере, имеющем дилатационную головку, с возможностью перемещения посредством привода. Такой инъекционно-баллонный катетер обеспечивает одновременно расширение прохода и подачу лекарства. Это значительно уменьшает период времени процедуры и нагрузки на пациента. 4 с. и 7 з.п. ф., 11 ил.

Endoscopic length measuring tool

MULTI-FUNCTIONAL DEVICES FOR ENDOSCOPIC, SURGICAL PROCEDURES

FLEXIBLE, ENDOSCOPIC, SURGICAL PASSAGE

EXPANDING KANÜLE

SYSTEMS FOR AN ENTRANCE TO PERIKARDRAUM

CATHETER FOR THE INJECTION OF DRUGS

DEVICE FOR THE INTERSTITIAL APPLICATION OF LASER LIGHT.

DISCHARGE OPENING AND INSTRUMENT CHANNEL FOR THE ARTHROSKOPIE.

SURGICAL ACCESS OPENING

SURGICAL ACCESS OPENING

Less invasive access port system and method for using the same

Transgastric surgical devices and procedures

Trocar anchor

DEVICE FOR PROVIDING THORACOSCOPIC INTRACARDIAC ACCESS

Surgical portal device including textured surface

Expandable multi-functional manipulating instruments

Radially dilatable percutaneous access apparatus with introducer seal in handle

Apparatus for implanting devices in atrial appendages

Stabilization assist device for trocar

Sugical portal device

Expandable thoracic access port

EXPANDABLE THORACIC ACCESS PORT A surgical access assembly (100) includes a body (105) having first and second body members (110, 120). Each body member (110, 120) has an opposed side (112, 122) and an outer side (113, 123). The body members (113, 123) are coupled to one another by a connector (108) and are moveable with respect to one another between an approximated position and a spread position wherein the opposed sides (112, 122) are flexed outwardly and apart from one another to define a passageway (190) therebetween. A flexible membrane (140) is coupled to the first and second body members (110, 120) and extends to therefrom such that translating the flexible membrane (140) radially outwardly moves the body members (110, 120) from the approximated position to the spread position. ,--100 ,-100 130 153a,b 153 154 153a,b 144 .154a,b 140d 140b 142 149 140a "R" 1283 "N" "R" 126 190 116 119 T"119 127 FIG. 3 117 ...

Thoracic access port

THORACIC ACCESS PORT Abstract A surgical access assembly (100) having a body (200) including a leading end (202), a trailing end (208), and first and second body members (204, 206) extending 5 between the leading (202) and trailing ends (208). The leading end (202), trailing end (208) and first and second body members (204, 206) define a passageway (210) therethrough for receipt of surgical instrumentation. First and second flexible wing members (216, 218) extend proximally from the body (200). A flexible member (140) is attached to the body (200) and extends proximally therefrom. 222 28r.3O 282820620 232 216 224 200 204 236 202 ...

Method and apparatus for treating tension pneumothorax using a rapid deployment chest port

The present disclosure provides apparatus and method for treating tension pneumothorax by using a rapid deployment chest port. The rapid deployment chest port can penetrate a patient's body to access a distressed pleural space. The rapid deployment chest port may create an airtight seal between the inside and outside of the patient's body and, when expanded, allow air or fluid to flow in one direction from inside the body to outside the body.

Retractable safety penetrating instrument with laterally ext endable spring strip

TROCAR ANCHOR

Apparatus and methods for providing access to a body cavity without substantial loss of inflation gas therein. The apparatus includes an access assembly that has a tubular member having a proximal end, a distal end, an elastic portion interposed the proximal end and the distal end, and a lumen therethrough. An anchor sleeve is disposed coaxially over the tubular member and has a radially expandable region. The anchor sleeve is moveable between an axially elongated configuration and an axially shortened configuration and is biased toward the axially shortened configuration by a force exerted by the elastic portion of the tubular member. The axially shortened configuration corresponds to the anchor sleeve being in the fully deployed position. Methods for providing anchored access to a cavity within a patient are also disclosed.

INTRODUCER ASSEMBLY FOR MEDICAL INSTRUMENTS

The introducer assembly (10) includes a base (12) formed of a semi-rigid, flexible or semi-flexible material having an instrument receiving passage (18) extending there through, and further including an exterior sealing (40) surface extending between proximal and distal portions of the base (12). The sealing (40) surface has a predetermined configuration which is shaped to conform to the shape of the entry site as the base passes into the entry site. A fluid restricting seal is established between the exterior of the base and the peripheral tissue surrounding the enry site. A fluid restricting seal is established between the exterior of the base and the peripheral tissue surrounding the entry site, particularly when the enry site is formed by an incision commonly utilized an open laparoscopic procedure.

SURGICAL HAND ACCESS APPARATUS

... ²²²A surgical access apparatus includes a liner base and an access housing for ²positioning outside the body. The liner base includes an inner member adapted ²for insertion through an opening within body tissue for positioning within the ²body; a sleeve member connected to the inner member and dimensioned to extend ²from the inner member through the opening within the body tissue, and a ²plurality of tensioning elements connected to the inner member and associated ²with the sleeve member to impart a tensioning effect on the sleeve member. The ²access housing includes a first element and a second element. The second ²element is operatively connected to the tensioning elements and adapted for ²rotational movement relative to the first member to cause the tensioning ²elements to displace the inner member toward the access housing and to cause ²the sleeve member to engage and retract tissue defining the opening within the ²body. The tensioning members are adapted to move relative to the sleeve ...

Retractable Cannula for Surgical Procedures

A cannula assembly having a plurality of outwardly-biased flexible fins capable of inward movement such that the fins converge upon insertion of a trocar device. The fins include a slot formed therein, with a corresponding raised feature on the trocar shaft capable of engaging the slots. Inward movement of the trocar within the cannula lumen causes the fins to converge. An additional embodiment utilizes outwardly-biased flexible fins that lock together in a closed position, with corrugated features in the fin inner surface that contact the trocar shaft such that, upon insertion of the trocar, the fins unlock and splay outward.

Cannula system

A cannula system is described. The cannula system may be formed of biocompatible materials that are suitable to be sterilized. Accordingly, the cannula system may be reusable for a relatively large number of surgical procedures assuming conventional sterilization techniques are employed after each surgical procedure. Additionally, the cannula system may be provided with an internal valve system disposed in a port portion thereof wherein the valve system may be operable to receive the trocar there through, as well as maintaining insufflation of the body cavity. Furthermore, the cannula system may be provided with a plurality of rib members formed on an external surface of the cannula shaft, wherein the rib members may engage the tissues adjacent the incision, thus maintaining the position of the cannula shaft and reducing and/or lessening relative movement of the cannula shaft.

Method and apparatus for performing transesophageal cardiovascular procedures

An apparatus for performing a transesophageal cardiovascular procedure includes an elongated tubular main access device having a first lumen with an open proximal end and a distal side opening, and a second lumen with a rigid outer wall and a collapsible inner wall. The second lumen is adapted to receive an elongated probe or surgical device. The apparatus further includes an inflatable sealing means on the outside of the main access device above and below the side opening, and a first fluid conduit extending along the main access device for inflating the sealing means so that when the main access device is inserted into a patient's esophagus and the sealing means are inflated. The portion of the esophagus opposite the side opening is isolated from the remainder of the esophagus above and below the side opening.

Adjustable cannula

A cannula having a tubular body having a proximal end and a distal end and a central axis defined therethrough, a first protruding member coupled to a first region of the tubular body, and a second protruding member coupled to a second region of the tubular body. Further, the tubular body has a bore formed therethrough. Each of the first protruding member and the second protruding member are coupled to an outer surface of the tubular body. Finally, a length of the tubular body is adjustable along the central axis.

Access port with integrated flexible sleeve

A surgical apparatus for positioning within a tissue tract accessing an underlying body cavity is adapted to tissues having different thicknesses. The surgical apparatus includes an anchor member and a flexible sleeve integrated with the anchor member. The anchor member defines at least one longitudinal port for reception of a surgical instrument. The surgical apparatus defines an adjustable length to accommodate tissues with different thicknesses.

Medical Access Device Having A Protection Against An Excessive Application Of Leverage

A medical access device for creating an access to a body for minimally invasive intervention has a hollow body assembled from at least two parts having longitudinal extending edges. Each part has a distal body portion and at an angle to the latter a proximal body portion. A locking mechanism locks the assembled proximal hollow body portions. The locking mechanism has a hook projecting from an edge of a proximal body. A nose of the hook can enter from proximal to distal in a recess in an edge joining said edge having said hook.

Devices and methods for treatment of vascular aneurysms

The present invention relates to devices and methods for the treatment of diseases in the vasculature, and more specifically, devices and methods for treatment of aneurysms found in blood vessels. In a first embodiment of the present invention, a two part prostheses, where one part is an expandable sponge structure and the other part is an expandable tubular mesh structure, is provided. In the first embodiment, the expandable sponge structure is intended to fill the aneurysm cavity to prevent further dilatation of the vessel wall by creating a buffer or barrier between the pressurized pulsating blood flow and the thinning vessel wall. In the first embodiment, the expandable tubular mesh structure is placed across the aneurysm, contacting the inner wall of healthy vessel proximal and distal to the aneurysm.

Low-profile surgical access devices with anchoring

A surgical access device includes a proximal housing having proximal and distal end portions, the distal end portion of the housing being configured and adapted to engage a proximal portion of a flexible wound retractor. The proximal housing can be provided with a plenum chamber being defined therein, the plenum chamber being in fluid communication with at least one nozzle. The nozzle is preferably configured to direct pressurized fluid in an axial direction from the plenum chamber into a central bore of the surgical access device to provide a constant gaseous seal around a surgical instrument inserted therethrough, while inhibiting a loss of pressurized fluid from the body cavity therethrough. The plenum chamber can be adapted and configured to receive pressurized fluid and conduct the pressurized fluid to the at least one nozzle.

Method and apparatus for performing transesophageal cardiovascular procedures

An apparatus for performing a transesophageal cardiovascular procedure includes an elongated tubular main access device having a first lumen with an open proximal end and a distal side opening, and a second lumen with a rigid outer wall and a collapsible inner wall. The second lumen is adapted to receive an elongated probe or surgical device. The apparatus further includes an inflatable sealing means on the outside of the main access device above and below the side opening, and a first fluid conduit extending along the main access device for inflating the sealing means so that when the main access device is inserted into a patient's esophagus and the sealing means are inflated. The portion of the esophagus opposite the side opening is isolated from the remainder of the esophagus above and below the side opening.

Surgical access device and surgical access system

In a first aspect of the invention, a surgical access device for inserting surgical instruments into the body of a patient comprises a sleeve section defining a longitudinal axis and also a working channel. A ratio between a length and an internal diameter of the sleeve section lies in a range of approximately 4:1 to approximately 14. In a second aspect of the invention, a surgical access system comprises a surgical access device for introducing surgical instruments into the body of a patient which comprises a sleeve section defining a longitudinal axis, and also comprising an insertion instrument for inserting the access device into an abdominal wall of the patient in particular. A ratio between a length and an internal diameter of the sleeve section lies in a range of approximately 4:1 to approximately 14:1.

Large bore location device and methods

A vascular closure system includes a body portion, an anchor, at least one suture member, and a plurality of needles. The anchor assembly includes a hub and a wire assembly. The hub has at least one aperture defined in a sidewall thereof. The wire assembly includes an actuator member extending proximally through the body portion and hub, and at least one pre-formed wire having a free proximal end and a distal end that is connected to the actuator member. Withdrawing the actuator member extends the proximal end of the at least one pre-formed wire out of the at least one aperture to capture a portion of the vessel wall between the pre-formed wire and the body portion. The plurality of needles extend through the vessel wall adjacent to the vessel puncture and are configured to connect to the at least one suture member.

Treatment instrument

Provided is a treatment instrument including a guide member with a tip surface to be pressed against an outer surface of a pericardium; a pericardium fixing member including at least one needle-shaped portion having a sharp pointed end extending diagonally forward along a circumferential direction at a tip of a cylinder-shaped body rotatable around the axis thereof; a perforating member for forming a through-hole for a guide wire in the pericardium to which the pericardium fixing member is fixed; and a pointed end position restricting portion for restricting the position of the pointed end in a direction of the axis relative to the tip surface of the guide member at a location where the pointed end of the pericardium fixing member does not reach the outer surface of a heart while the tip surface of the guide member is pressed against the outer surface of the pericardium.

Devices and methods for treatment of vascular aneurysms

The present invention relates to devices and methods for the treatment of diseases in the vasculature, and more specifically, devices and methods for treatment of aneurysms found in blood vessels. In a first embodiment of the present invention, a two part prostheses, where one part is an expandable sponge structure and the other part is an expandable tubular mesh structure, is provided. In the first embodiment, the expandable sponge structure is intended to fill the aneurysm cavity to prevent further dilatation of the vessel wall by creating a buffer or barrier between the pressurized pulsating blood flow and the thinning vessel wall. In the first embodiment, the expandable tubular mesh structure is placed across the aneurysm, contacting the inner wall of healthy vessel proximal and distal to the aneurysm.

Surgical tissue collection bag

An improved surgical dilator extractor is introduced into the abdominal cavity through a trocar cannula and expanded, forming a tissue receiving space, at the distal end. The tissue receiving space is enlarged by passing a grasper through a lumen of the dilator extractor to interact with a guide surface on the interior of dilator extractor to expand a dilator portion having a single leaf beyond the natural resiliency of the leaf. The tissue being extracted is then manipulated into the space with the grasper. The tissue is then removed from the cavity by the surgeon applying a force onto the dilator extractor that insures the elongation of the tissue and temporarily dilates the entry wound to the extent necessary for the tissue to be removed. Alternative embodiments of the surgical dilator extractor and related instrument tool sets and methods for the use thereof also are disclosed.

Magnetic-anchored robotic system

A surgical system includes an external anchor, an internal anchor and an instrument. The external anchor is adapted to be positioned outside a body. The internal anchor is adapted to be inserted into the body via a single entrance port, positioned inside the body and magnetically coupled with the external anchor. The instrument is adapted to be inserted into the body via the single entrance port and secured to the internal anchor. The instrument includes an end-effector that has multiple degrees of movement via multiple axes.

Magnetic-anchored robotic system

A surgical system includes a manipulator, an implantable actuator and a controller. The manipulator includes a plurality of integrated sensor/actuators. The sensors of the sensor/actuators are adapted to detect movement about a plurality of axes of movement. The implantable actuator includes a plurality of joints providing a plurality of axes of movement. The controller is configured to receive information from the plurality of sensor/actuators that indicates movement of the manipulator about the plurality of axes and to cause the joints of the actuator to move along corresponding axes of movement. Each sensor/actuator of the manipulator detects movement about an axis of movement corresponding to a similar one of the joints of the actuator.

System and method for transapical access and closure

Embodiments are described for creating and closing tissue access ports, such as transapical access ports, which involve placement of an introducer across the subject tissue structure, and deployment of a controllable port closure device assembly configured to remain in place with a ratcheting mechanism, and to hold the tissue surrounding the previous access port location closed against a sealing disc with proximal and distal strut assemblies, after the introducer has been removed.

Trocar and wound closure device

A trocar adapted for insertion through a fascia layer of an abdominal wall, comprising a proximal end configured for handling by a user; a distal end configured for insertion into tissue; and a shaft extending in between the proximal end and distal end, wherein the shaft comprises a narrow portion proximal to the distal end, the narrow portion defining at least one recess shaped and sized to receive fascia tissue, the recess ending, at a distal end, with a generally proximally facing surface of the shaft configured directly below the narrow portion, the proximally facing surface and the narrow portion shaped and sized to stabilize the trocar in the abdominal wall by the fascia. In some embodiments, a trocar and external cannula assembly are provided. In some embodiments, the trocar and/or trocar and external cannula assembly are configured for deployment of one or more anchors and/or sutures in the tissue.

Diaphragm entry for posterior surgical access

Methods and devices described herein facilitate diaphragm entry for posterior access of body organs.

EXPANDABLE OCCLUSION DEVICES, SYSTEMS, AND METHODS

An expandable occlusion device is provided including an expandable occluder expandable from a compressed state to an expanded state to sealingly engage tissue. An outer sheath that defines a longitudinal axis may be disposed about the expandable occluder. The outer sheath may be configured to compress the expandable occluder and maintain the expandable occluder in the compressed state. A pull cord may be operably coupled to the outer sheath and selectively manipulatable to tear the outer sheath such that the outer sheath is removed from the expandable occluder allowing the expandable occluder to expand from the compressed state to the expanded state. 1. An expandable occlusion device , comprising:an expandable occluder expandable from a compressed state to an expanded state to sealingly engage tissue;an outer sheath disposed about the expandable occluder and defining a longitudinal axis, the outer sheath configured to compress the expandable occluder and maintain the expandable occluder in the compressed state; anda pull cord operably coupled to the outer sheath, wherein the pull cord is selectively manipulatable to tear the outer sheath such that the outer sheath is removed from the expandable occluder allowing the expandable occluder to expand from the compressed state to the expanded state.2. The expandable occlusion device according to claim 1 , wherein an application of tensile force to the pull cord tears the outer sheath and removes the outer sheath from the expandable occluder.3. The expandable occlusion device according to claim 2 , further comprising:a release feature associated with a surface of the outer sheath and coupled to the pull cord, wherein when a tensile force is applied to the pull cord, a corresponding tensile force is applied to the release feature, the application of tensile force to the release feature tearing the outer sheath to form an opening in the outer sheath to facilitate removal of the outer sheath from the expandable occluder.4. ...

INSTRUMENT ACCESS DEVICE

An instrument access device comprises first, second and third instrument seals for sealing around instruments extended through the device. The seals have respective connector sleeves. Each sleeve connects a base to one of the instrument seals. The device also comprises two insufflation/desufflation ports. Each of the ports comprises a connector extending from the base, a tube extending from the connector, a luer connector and a removable cap. The luer connector is used for connection to any suitable supply line for insufflation gas or for discharge if insufflation gas. In use, the insufflation/desufflation ports facilitate independent control of insufflation and desufflation as may be required during a surgical procedure. Access sleeve at the proximal end is cut-off, folded over the inner proximal ring and is held in place between the base and the inner proximal ring when the base is fitted. The proximal end of the sleeve that is generated when the sleeve is pulled upwardly to retract an incision is removed from the field of use. 120-. (canceled)21. An instrument access device , comprising: a proximal ring,', 'a distal ring, and', 'a retractor sleeve extending proximally from the distal ring to the proximal ring, wherein the retractor sleeve is movable to shorten an axial extent of the retractor sleeve between the proximal ring and the distal ring; and, 'a wound retractor, includingan instrument seal assembly mounted to the proximal ring.22. The instrument access device of claim 21 , wherein the retractor sleeve directly contacts the proximal ring.23. The instrument access device of claim 21 , wherein the wound retractor includes a central passage extending through the proximal ring claim 21 , distal ring claim 21 , and retractor sleeve claim 21 , and the instrument seal assembly extends across a proximal end of the central passage.24. The instrument access device of claim 23 , wherein the instrument seal assembly is mounted to the proximal ring such that a seal is ...

EXPANDING SEAL ANCHOR FOR SINGLE INCISION SURGERY

The present disclosure relates to a surgical anchoring apparatus for use during a minimally invasive surgical procedure. The surgical anchoring apparatus includes a body member and a dilator element at least partially positionable therein. The body member includes a grip segment adapted for manual engagement by a user and an expandable section having a plurality of expandable segments and a plurality of cam surfaces. The grip segment resiliently transitions between a first or normal state and a second state in which the grip segment is at least partially inverted. The expandable section's cam surfaces are configured to engage a distal end of the dilator element upon its insertion such that the expandable section may transition from an initial condition to an expanded condition in which the body member is secured or anchored within an incision in tissue. 1. (canceled)2. A surgical apparatus , comprising: a grip segment transitionable between a first state in which the grip segment is distally directed with respect to the longitudinal body passage and a second state in which the grip segment is proximally directed with respect to the longitudinal body passage; and', 'an elongate segment extending from the grip segment, the elongate segment transitionable between a first condition in which the elongate segment defines a first dimension and a second condition in which the elongate segment defines a second dimension different from the first dimension., 'a body defining a longitudinal body passage, the body including3. The surgical apparatus according to claim 2 , wherein the grip segment has an outer surface defining an aperture.4. The surgical apparatus according to claim 2 , wherein the grip segment includes a peripheral flange configured to establish a seal with tissue.5. The surgical apparatus according to claim 2 , further comprising a dilator positionable within the longitudinal body passage of the body claim 2 , the dilator dimensioned to transition the elongate ...

Expandable Cannula with Distal Locking Mechanism

An expandable cannula includes a proximal end portion having a substantially constant diameter therethrough, and a distal end portion, coupled to the proximal end portion and having a proximal end and a distal end. The distal end portion includes a plurality of panels hinged by “living hinges” to the proximal end portion, and a locking mechanism that stabilizes the distal end portion in one of a contracted position and an expanded position. The locking mechanism may be a strut pressed overcenter during expansion distal portion to expanded configuration, or may include a locking ring and a catch for stabilizing the ring in a configuration where it holds the panels in expanded configuration. 1. An expandable cannula comprising:a proximal end portion having a substantially constant diameter therethrough; and a plurality of panels, where the panels are coupled to the proximal end portion by hinges formed of thin flexible plastic simultaneously with molding the panels; and', 'a mechanical locking mechanism that stabilizes the distal end portion in one of a contracted position and an expanded position., 'a distal end portion, coupled to the proximal end portion and having a proximal end and a distal end, the distal end portion comprising2. The expandable cannula of claim 1 , the locking mechanism comprisinga locking ring coupled to at least two of the plurality of panels located opposite one another; anda locking element.3. The expandable cannula of wherein the locking element comprises at least one catch adapted to securing the locking ring in the expanded position.4. The expandable cannula of wherein the locking element comprises a plurality of catches adapted to securing the locking ring in a plurality of expanded positions.5. The expandable cannula of claim 1 , the locking mechanism comprising at least one locking strut comprising at least two rigid members coupled together with a hinge claim 1 , the rigid members each coupled to a different panel of the plurality of ...

Surgical visualization systems and related methods

Surgical visualization systems and related methods are disclosed herein, e.g., for providing visualization during surgical procedures. Systems and methods herein can be used in a wide range of surgical procedures, including spinal surgeries such as minimally-invasive fusion or discectomy procedures. Systems and methods herein can include various features for enhancing end user experience, improving clinical outcomes, or reducing the invasiveness of a surgery. Exemplary features can include access port integration, hands-free operation, active and/or passive lens cleaning, adjustable camera depth, and many others.

Applicators for modular magnetic anastomosis device

The present disclosure provides description of applicators to implement modular magnetic anastomosis device. In one embodiment the delivery device is a laparoscopic instrument for MISS surgery, in another embodiment the delivery device is endoscopy or colonoscopy instrument for NOTES surgery.

MEDICAL DEVICE FOR THE DELIVERY OF THERAPEUTIC FORMULATIONS AND METHODS OF USE THEREOF

An arthroscopic surgery device for delivering a therapeutic formulation into a cartilage of an articular joint, wherein the device comprises: a flexible tubular delivery arm, comprising one or more internal channels for carrying the therapeutic formulation; a flexible external sleeve enveloping the delivery arm lengthwise; a pliable cup attached to an end of the delivery arm, for covering a cartilage part where the therapeutic formulation is to be delivered, arranged such that by outwards axial displacement of the delivery arm in respect to the external sleeve, the cup moves from inside to outside of the external sleeve, expanding the cup. The device may comprise a flexible internal sleeve between the delivery arm and the external sleeve, such that the flexible internal sleeve envelops the delivery arm lengthwise. The arthroscopic surgery device may be also used for extracting fluid from an articular cavity. 1. An arthroscopic surgery device for delivering a therapeutic formulation into a cartilage of an articular joint , wherein the device comprises:a flexible tubular delivery arm, comprising one or more internal channels one of which is configured to convey the therapeutic formulation;a flexible external sleeve enveloping the delivery arm lengthwise;a pliable cup attached to an end of the delivery arm configured to cover a first portion of the cartilage where the therapeutic formulation is to be delivered, wherein the cup is arranged such that by outward axial displacement of the delivery arm with respect to the external sleeve, moves the cup from an interior of the external sleeve to an exterior of the external sleeve, thereby expanding the cup.2. The arthroscopic surgery device according to claim 1 , further comprising a flexible internal sleeve disposed between the delivery arm and the external sleeve claim 1 , such that the flexible internal sleeve envelops the delivery arm lengthwise.3. The arthroscopic surgery device according to claim 2 , wherein the ...

Techniques for damping vibration in a robotic surgical system

An apparatus for use during robotic surgery, where the apparatus includes a robotic arm; a tool driver connected to the robotic arm; a cannula including a proximal portion and a distal portion wherein the proximal portion is coupled to the tool driver; and a damping element connected to one of the robotic arm, the tool driver and the cannula. Also, a method including guiding a surgical tool coupled to a robotic arm into a patient, wherein the surgical tool is disposed through a cannula and coupled to a tool driver coupled to a distal portion of the robotic arm; and maneuvering the tool driver by way of the robotic arm, wherein vibrations generated by the maneuvering are inhibited by a damping element coupled to one of the robotic arm, the tool driver and the cannula.

METHOD FOR ANCHORING AND SEALING A CANNULA ASSEMBLY TO THE BODY OF A PATIENT

A cannula assembly for use in laproscopic surgery includes a cannula having a proximal end for use in orientating the assembly into an abdominal cavity, a distal end for insertion into a patient, and a passage through which surgical instruments can be inserted. An expandable feature in the form of an anchor is located toward the distal end of the cannula and is selectively expandable and collapsible. The feature in its expanded state prevents withdrawal of the cannula. A collar is pushed distally until it releasably cinches to the outside of the abdominal cavity thereby creating an airtight seal and stabilizing the assembly. The collar has a friction fit with the cannula designed to prevent excessive force against the cavity walls. 120-. (canceled)21. A method for anchoring and sealing a cannula assembly to the body of a patient , the method comprising the steps of:providing the cannula assembly having a proximal end, a distal end, a radially expandable anchor toward the distal end, and a longitudinally movable collar;inserting the cannula assembly to a depth sufficient to place the anchor in a retracted position within the patient; andexpanding the anchor by moving the collar toward the distal end of the cannula assembly.22. The method of claim 21 , further comprising the step of forming a seal against an exterior surface of a patient after the anchor is expanded.23. The method of claim 21 , further comprising the step of locking the collar against an exterior surface of a patient after the anchor is expanded.24. The method of claim 21 , further comprising the step of moving the collar toward the proximal end of the cannula assembly to retract the anchor and remove the cannula assembly from the patient. This application is a divisional of U.S. application Ser. No. 14/195,395, filed Mar. 3, 2014 (now U.S. Pat. No. 9,155,550); which is a continuation of U.S. application Ser. No. 13/913,120, filed Jun. 7, 2013 (now abandoned); which is a continuation of U.S. ...

MERGED TROCAR-OBTURATOR DEVICE FOR OPTICAL-ENTRY IN MINIMALLY INVASIVE SURGERY

The present invention provide for improved optical entry systems and methods for minimally invasive surgery. According to some aspects of the disclosure, an obturator and trocar are merged to provide a device that can be used with an integrated visualization means (e.g. laparoscope) to provide optical entry into a patient's body cavity. Further, a reconfigurable tip is configured to be in an entry state and a visualization state. Said aspects and associated method steps can significantly reduce the complexity of the entry process and do not require removal and reinsertion of surgical instruments which eliminates the need for valves in the trocar and reduces the possibility of contamination of the visualization means' objective lens. 1. (canceled)2. (canceled)3. (canceled)4. (canceled)5. (canceled)6. (canceled)7. (canceled)8. (canceled)9. (canceled)10. (canceled)11. (canceled)12. (canceled)13. (canceled)14. (canceled)15. (canceled)16. A system for use in minimally invasive surgery for introducing a visualization device into a body cavity , comprising:a cylindrical tube providing a percutaneous optical path for a visualization device disposed inside of the cylindrical tube, the cylindrical tube including a distal end inside of a patient's body while a proximate end remains outside of the patient's body during minimally invasive surgery; anda distal tip adapted to be attached to the distal end of the cylindrical tube and having a plurality of articulating components that are configured of being in either an entry state or a visualization, wherein;the entry state is characterized by the plurality of articulating components forming a rigid sharp tip geometry capable of puncturing through a body wall and into an anatomical cavity near or adjacent to a surgical site, andthe visualization state is characterized by the plurality of articulating components diverting away from being in the percutaneous optical path.17. The system of claim 16 , wherein at least some of the ...

TRANS-SEPTAL SHEATH WITH SPLITTING DILATING NEEDLE AND METHOD FOR ITS USE

A device useful for accessing the left atrium is provided. The device comprises an elongated tubular body and a dilating tip. The tubular body has an axis, a proximal end, a distal end and a lumen longitudinally extending therethrough. The dilating tip is slidably mounted on the distal end of the tubular body. The dilating tip comprises a segmented surface that is generally transverse to the axis of the tubular body, and a generally rigid tube extending distally from the segmented surface and having a sharp distal end. Distal movement of the tubular body relative to the dilating tip exerts a force on the segmented surface to thereby open the segmented surface. 1. A device comprising:an elongated tubular body having an axis, a proximal end, a distal end and a lumen longitudinally extending therethrough; anda dilating tip slidably mounted on the distal end of the tubular body and comprising a segmented surface that is generally transverse to the axis of the tubular body, and a generally rigid tube extending distally from the segmented surface and having a sharp distal end;wherein distal movement of the tubular body relative to the dilating tip exerts a force on the segmented surface to thereby open the segmented surface.2. A device according to claim 1 , wherein the elongated tube is generally cylindrical.3. A device according to claim 1 , where the segmented surface comprises two or more segments.4. A device according to claim 1 , where the segmented surface comprises three or more segments.5. A device according to claim 1 , wherein the dilating tip further comprises a ring mounted in surrounding relation to the tubular body.6. A device according to claim 5 , wherein the segmented surface comprises a plurality of segments claim 5 , each of which is hingedly attached to the ring.7. A device according to claim 1 , wherein the dilating tip is generally funnel-shaped.8. A device according to claim 1 , wherein the generally rigid tube of the dilating tip is segmented.9. A ...

Magnetic-Anchored Robotic System

Present example embodiments relate generally to a surgical system comprising an internal anchor assembly configurable to be inserted into and positioned inside a cavity of a body. The surgical system further comprises an external anchor assembly configurable to magnetically couple to the internal anchor assembly. The external anchor assembly may comprise a magnetic assembly. The magnetic assembly may include one or more superconducting magnets configurable to generate a magnetic field. The magnetic assembly may further include a conductive housing for receiving the one or more superconducting magnets. The external anchor assembly may further include a temperature control section configurable to control a temperature of the one or more superconducting magnets via the conductive housing. The external anchor assembly may further include an external anchor body configurable to receive the magnetic assembly and the temperature control section. The external anchor body may be fixably positionable outside of the body. 1. A surgical system comprising:an internal anchor assembly, the internal anchor assembly configurable to be inserted into and positioned inside a cavity of a body; and a magnetic assembly having one or more superconducting magnets configurable to generate a magnetic field and a conductive housing for receiving the one or more superconducting magnets;', 'a temperature control section configurable to control a temperature of the one or more superconducting magnets via the conductive housing; and', 'an external anchor body configurable to receive the magnetic assembly and the temperature control section, the external anchor body fixably positionable outside of the body., 'an external anchor assembly configurable to magnetically couple to the internal anchor assembly, the external anchor assembly including2. The surgical system of claim 1 , wherein the magnetic assembly is configurable to generate the magnetic field with a magnitude of about 0 to 5 Tesla.3. The ...

Obturator for Expandable Catheter

Various methods and devices are provided for use of a cannula. For example, provided herein is a flexible cannula having an elongate body with an elongate shaft extending between a proximal hub and a distal dam. A lumen can extend through the cannula. The dam is in the form of a flexible annular member formed on a distal end of the shaft. The dam and the hub have diameters greater than a diameter of the shaft. A flexible, expandable sleeve is removably positioned on the distal end of the shaft of the cannula. The sleeve deformably encapsulates the dam such that the dam is folded against the shaft of the cannula. An obturator is also provided having an elongate shaft configured to be removably positioned within the lumen of the cannula. The shaft can be configured to fit within the lumen in a clearance fit. 1. A cannula effective as a surgical portal , comprising:an elongate flexible body having a cylindrical shaft with a longitudinal axis extending therethrough, a proximal end, and a distal end;a flexible and elastic annular dam formed on the distal end of the shaft and having an unconstrained diameter greater than a diameter of the shaft;a hub formed on the proximal end of the shaft, the hub having a diameter greater than the diameter of the shaft;a lumen extending through the body along the longitudinal axis of the shaft, the lumen having a first opening at a proximal end of the hub and a second opening at the distal end of the shaft; anda flexible, expandable sleeve removably disposed on the distal end of the shaft and covering the dam, the flexible sleeve configured to place the dam in a constrained condition in which a constrained diameter of the dam is approximately equal to a diameter of the shaft at a distal end thereof.2. The cannula of claim 1 , wherein the dam comprises a plurality of separated petals.3. The cannula of claim 2 , wherein the plurality of petals overlap each other.4. The cannula of claim 2 , wherein the plurality of petals is in the range ...

Surgical dilator, retractor and mounting pad

A retractor having an elongate body that provides access to a surgical location within a patient. The elongate body includes a plurality of segments that are connected to one another through a plurality of ratcheting mechanisms. The ratcheting mechanisms permit relative movement of the segments with respect to one another when expander dilators are inserted within the retractor. The segments are surrounded and retained by a resilient elastomeric sleeve or bands. The distal end surfaces of the segments include thin edges that are configured to mobilize, dissect, split and retract the terminal tissues in the surgical area. The retractor is used in conjunction with a resilient elastomeric pad that is affixed to the patient and firmly engages the outer surface of the elongate body to thereby anchor the retractor to the patient. A separate anchoring device can be used to connect the retractor to the pad. 1. A device for providing access to a surgical location within a patient , said device comprising:an elongate body comprised of a plurality of segments, each of said plurality of segments being of a length spanning the distance between a patient's skin surface at a proximal end portion and the surgical area juxtaposed a surgical area at a distal end portion,said plurality of segments include a first pair of elongated members and a second pair of elongated members arranged oppositely about each other, said first pair of segments hingedly cooperating with said second pair of elongated members at along one surface and cooperating with said second pair of elongated members in an interdigiting manner along a second surface.2. The device for providing access to a surgical location within a patient according to further including at least one elastomeric member surrounding said plurality of segments and exerting a radially directed inward force against the outer surface of each said plurality of segments.3. The device for providing access to a surgical location within a patient ...

Trocar with retention cannula

A trocar comprises a retention cannula comprising an inverted or incised retention pattern disposed thereon. Embodiments of the incised cannula exhibit reduced tissue trauma compared with screw-threaded cannula, improved fixation and/or retention compared with an unthreaded cannula, and good sealing between the cannula and the incision.

SURGICAL INSTRUMENTS WITH REFLECTIVE MIRROR-LIKE SURFACES

Systems, devices, and methods for providing a surgeon with improved viewing angles during arthroscopic surgical procedures are provided. In some embodiments, a cannula is provided that includes an elongate body that can extend along a longitudinal axis, the body having a proximal end, a distal end, a lumen extending through the body between openings at the proximal and distal ends. The cannula can have a first flange member that can extend at least partially around at least one of the openings, and the first flange member can have a distal-facing surface, where at least a portion of the distal-facing surface can be reflective. 1. A cannula , comprising:an elongate body extending along a longitudinal axis, the body having a proximal end, a distal end, and a lumen extending through the body between openings at the proximal and distal ends; anda first flange member that extends at least partially around at least one of the openings, the first flange member having a first surface, wherein at least a portion of the first surface is reflective;wherein an angle at which the first flange member is oriented relative to the longitudinal axis of the body is adjustable.2. The cannula of claim 1 , wherein the angle is adjustable using an adjustment device having an inner lumen that is configured to receive the body therein claim 1 , the adjustment device being movable along the longitudinal axis of the body to adjust the angle.3. The cannula of claim 2 , further comprising the adjustment device;wherein the adjustment device comprises a sheath coupled to the first flange member such that when the sheath slides longitudinally in a proximal direction relative to the first flange member, the first flange member is configured to move from a concave configuration to a convex configuration.4. The cannula of claim 2 , further comprising the adjustment device;wherein the adjustment device comprises a sheath coupled to the first flange member such that when the sheath is moved in a ...

PROBE UNIT, TREATMENT INSTRUMENT, AND TREATMENT SYSTEM

A probe unit includes, a probe configured to treat a bone by ultrasonic vibration, a hollow sheath which surrounds the probe and which has a first portion at a small distance from a central axis, and a second portion at a greater distance from the central axis than the first portion, and a knob configured to rotate the sheath relative to the probe between a first position for insertion between the bone and a living tissue facing the bone so that the first portion is located between the bone and the living tissue and a second position for insertion between the bone and the living tissue so that the second portion is located between the bone and the living tissue. 1. A probe unit comprising:a probe configured to treat a bone by ultrasonic vibration; a first portion disposed at a small distance from a central axis of the sheath and having a short diameter, and', 'a second portion disposed at a greater distance from the central axis than the first portion and having a long diameter such that the long diameter of the second portion intersects the short diameter of the first portion at right angles; and, 'a hollow sheath surrounding the probe, the sheath includinga knob configured to rotate the sheath relative to the probe, wherein:the sheath has a tapered portion provided on the distal side of the sheath and becomes smaller in diameter as the distance to a distal end of the sheath decreases, andthe tapered portion has a groove, and the groove helically extends around the longitudinal axis of the probe.2. The probe unit according to claim 1 , wherein the sheath is elliptic.3. A probe unit comprising:a probe configured to treat a bone by ultrasonic vibration; a first portion disposed at a small distance from a central axis of the sheath and having a short diameter, and', 'a second portion disposed at a greater distance from the central axis than the first portion and having a long diameter such that the long diameter of the second portion intersects the short diameter of ...

Temporary Retention Device

A retention device for anchoring indwelling catheters, sheath introducers, feeding tubes, ostomy bags or other medical devices beneath the skin of a patient includes an deployable section coupled to a medical device; following introduction into a patient, the deployable section is subcutaneously deployed, securely anchoring the device and coupled medical device for the duration of treatment. 1. (canceled)2. A method for securing a catheter relative to a skin opening that is occupied by the catheter , the method comprising:inserting a distal portion of catheter through an opening in a skin layer and into a targeted body site; a catheter retainer body including a longitudinal channel configured to releasably engage with an outer surface of an external portion of the catheter; and', 'an anchor assembly contacting the retainer body and being spaced apart from the channel of the retainer body, the anchor assembly including: a longitudinal extender apparatus secured to the catheter retainer body, and said first and second flexible anchors extending outwardly away from a distal region of the longitudinal extender apparatus, each of the first and second flexible anchors terminating at a non-sharp tip, wherein the first and second flexible anchors are movable from a first position to a subcutaneously deployed position in which the first and second flexible anchors extend outwardly away from one another in generally opposite directions and are configured to engage tissue along an underside of the skin layer; and, 'advancing first and second flexible anchors of a catheter anchor device through the same opening in the skin layer and into a subcutaneous region under the skin layer, wherein the catheter anchor device comprisesmaintaining the external portion of the catheter in securement with the catheter retainer body while the non-sharp tips of the first and second flexible anchors reside within the subcutaneous region under the skin layer and while the distal portion of the ...

VENTRICULAR ASSIST DEVICE AND RELATED METHODS

A method and system are provided for percutaneously gaining access to oxygenated blood with one or more anastomosis devices and pumping such oxygenated blood directly to the aorta adjacent to the right atrium or left atrium via a VAD system. In one embodiment, a VAD system can be implanted with open surgery. 1. A system to assist a left ventricle of a heart , the system comprising:an anastomosis device coupled to a septum between two chambers of the heart and providing a flow path between the two chambers;a flow path including at least one conduit and configured to flow oxygenated blood from at least one of the left atrium and the left ventricle, through the anastomosis device, through the superior vena cava and back to an artery;a pumping device coupled with the at least one conduit; anda filament coupled to the anastomosis device, wherein the filament exhibits sufficient length to extend from the anastomosis device through the superior vena cava and to an access point associated with at least one of a jugular vein and a subclavian vein.2. The system of claim 1 , wherein the at least one conduit includes:a first conduit coupled with the anastomosis device and extending through the superior vena cava; anda second conduit extending through one of a brachial artery, a carotid artery, a subclavian artery, and a axillary artery and having an outlet disposed in an aortic artery.3. The system of claim 2 , wherein the pumping device is coupled between the first conduit and the second conduit.4. The system of claim 1 , wherein the pumping device is coupled between the anastomosis device and the at least one conduit.5. The system of claim 1 , wherein the pumping device is coupled directly to the anastomosis device.6. The system of claim 1 , wherein the anastomosis device is shaped and configured to be substantially flush with a left wall of the septum.7. The system of claim 1 , wherein a portion of the anastomosis device protrudes past a left wall of the septum claim 1 , and ...

Thoracic Access Port Including Foldable Anchor

A surgical access device includes a body having a first member and a second member relatively movable between open and closed configurations. Each member is positionable within an opening in tissue to provide access to an interior space of a patient. Each member includes a top surface, a bottom surface, a leading end, and a trailing end. The top surfaces are positioned in close cooperative alignment when the first and second members are in the closed configuration. The trailing ends are positioned in close cooperative alignment when the first and second members are in the open configuration. In the open position, the first and second members define a passage therethrough to permit access to the interior space for passage of a surgical instrument therethrough. 1. A method of accessing an internal surgical work site , comprising:positioning a surgical access device at least partially within an opening in tissue to provide access to an internal space, the surgical access device including a first member and a second member;engaging a moveable element of an insertion device with the first member of the surgical access device;moving the movable element of the insertion device from a first position to a second position to cause at least one of the first member or the second member of the surgical access device to move between a first configuration where the first member and the second member define a passage therebetween, the passage configured to permit access of a surgical instrument to the internal space, and a second configuration where top surfaces of the first member and the second member are positioned in close cooperative alignment, wherein the movable element is substantially aligned with a longitudinal axis defined by a shaft of the insertion device when the movable element is in the first position, and the movable element is substantially aligned with an axis transverse to the longitudinal axis when the movable element is in the second position.2. The method ...

Apparatus and method for targeting a body tissue

An apparatus for targeting a desired target site on a body tissue that separates a first body cavity from a second body cavity of a patient includes a catheter having a longitudinally extending catheter lumen and adapted to provide access to the first body cavity. A framing member has a collapsed condition in which the framing member is adapted for insertion into the first body cavity through the catheter lumen and an expanded condition in which the framing member is adapted for placement within the first body cavity. The framing member has a framing member body. At least one target point is carried by the framing member and is adapted for placement adjacent the desired target site. At least one target pathway is attached to at least one target point. At least a portion of the target pathway extends through the catheter lumen. The target pathway is substantially spaced apart from the framing member body. A method of using the apparatus is also described.

System and methods for tissue removal

Systems and methods for preventing the seeding of cancerous cells during morcellation of a tissue specimen inside a patient's body and removal of the tissue specimen from inside the patient through a minimally-invasive body opening to outside the patient are provided. One system includes a cut-resistant tissue guard removably insertable into a containment bag. The tissue specimen is isolated and contained within the containment bag and the guard is configured to protect the containment bag and surrounding tissue from incidental contact with sharp instrumentation used during morcellation and extraction of the tissue specimen. The guard is adjustable for easy insertion and removal and configured to securely anchor to the body opening. Protection-focused and containment-based systems for tissue removal are provided that enable minimally invasive procedures to be performed safely and efficiently.

ANCHORING AN INTRAVENOUS CANNULA

Some embodiments of a medical system include a subcutaneous anchor device that extends outwardly from side wall of an intravenous cannula so as to secure the intravenous cannula in a position relative to a skin penetration point. 1. (canceled)2. A medical system for anchoring an intravenous cannula device in a subcutaneous region along an underside of a skin layer , comprising:an intravenous cannula device including a flexible catheter having a distal opening configured to provide fluid communication with a targeted vessel, a proximal connector hub, and means for subcutaneously anchoring an outer wall of the flexible catheter with tissue in a subcutaneous region along an underside of a skin layer, the means for subcutaneously anchoring being positioned along the flexible catheter between the distal tip opening of the flexible catheter and the proximal connector hub, the flexible catheter including a lumen and extending distally of the proximal connector hub to the distal opening, and the proximal connector hub including a thread pattern configured to releasably connect with an external fluid line; andan inserter tool removably coupled to the intravenous cannula device so as to insert the flexible catheter of the intravenous cannula device through a skin penetration point and into the targeted vessel, the inserter tool including a handle and an insertion needle extending distally from the handle, the insertion needle being slidably engaged with the lumen of the flexible catheter of the intravenous cannula device, wherein the inserter tool is removable from the intravenous cannula device when the insertion needle is proximally withdrawn from the lumen of the flexible catheter,wherein the means for subcutaneously anchoring is configured to engage the tissue in the subcutaneous region along the underside of the skin layer when the flexible catheter of the intravenous cannula device is inserted through the skin penetration point and into the targeted vessel.3. The system ...

ANCHOR INSTRUMENTATION AND METHODS

Some embodiments of a medical device anchor system include an anchor sleeve that receives a catheter (or other medical instrument) though a working channel of the anchor sleeve. The anchor sleeve may include a first actuator that controls the extension of one or more subcutaneous tines into the subcutaneous region under the skin. The anchor sleeve can also include a second actuator that can cause the anchor sleeve to lock onto an outer portion of the catheter (or other medical instrument) arrange in the working channel. 1. (canceled)2. A method of delivering a catheter device to an internal body site , comprising:positioning an anchor body adjacent to a percutaneous opening, the anchor body comprising first and second anchor tines;adjusting a first actuator to shift the first and second anchor tines to a deployed orientation, the first and second anchor tines extending oppositely away from one another in a subcutaneous region in the deployed orientation;positioning a catheter device in a working channel of the anchor body, the catheter device defining at least one lumen that extends to a catheter tip;adjusting a second actuator from a first position to a second position to urge a locking device to releaseably engage with at least a portion of an outer surface of the catheter device when the catheter is received in the working channel;wherein an outer surface of the second actuator is oriented transversely to an outer surface of the first actuator in the first position and the outer surface of the second actuator is oriented in alignment with the outer surface of the first actuator in the second position.3. The method of claim 2 , wherein the first and second actuators are each supported by the anchor body.4. The method of claim 3 , wherein adjusting of the first actuator is independent from adjusting of the second actuator.5. The method of claim 4 , wherein both the first actuator and the second actuator are generally aligned along a longitudinal axis of the ...

CRANIAL ANCHORING AND POSITIONING SYSTEM AND METHOD

A cranial anchor system configured to attach to an opening in a cranium includes an anchor member. The anchor member has a middle anchor portion and a lower anchor portion coupled to and disposed in a downward direction relative to the middle anchor portion. The lower anchor portion has a plurality of contact members, each of which have a leg that extends at least partially in the downward direction, a tab connected to the leg, and a rib disposed between the leg and the tab. The system further includes an outer sheath and an inner sheath disposed within the outer sheath and slidable relative to the outer sheath. 1. A cranial anchor system configured to attach to an opening in a cranium , the system comprising: a middle anchor portion defining a middle anchor recess that extends about the first axis; and', a leg that extends at least partially in the downward direction,', 'a tab connected to the leg, the tab extending at least partially in a radial direction, the radial direction being perpendicular to the first axis, and', 'a rib disposed between the leg and the tab;, 'a plurality of contact members that together define a lower anchor recess, each of the plurality of contact members having, 'a lower anchor portion coupled to and disposed in a downward direction relative to the middle anchor portion along the first axis, the lower anchor portion including], 'an anchor member that is elongate along a first axis, the anchor member includingan outer sheath that is elongate along a second axis and defines a first channel, the outer sheath including a lower outer sheath portion configured to be at least partially disposed within the middle anchor recess and the lower anchor recess such that the lower outer sheath portion is rotatable within the middle anchor recess and the lower anchor recess; andan inner sheath disposed within the first channel and slidable relative to the outer sheath along the second axis, the inner sheath defining a second channel that is elongate ...

Reversibly removable self-adjusting port

The present disclosure is directed to a reversibly removable self-adjusting, perforating and/or guiding port configured to automatically retract a perforating blade or guiding rod upon entering a body cavity, while providing a substantially hermetic seal across the body cavity's wall.

ANCHORING AN INTRAVENOUS CANNULA

Some embodiments of a medical system include a subcutaneous anchor device that extends outwardly from side wall of an intravenous cannula so as to secure the intravenous cannula in a position relative to a skin penetration point. 1an intravenous cannula device including a flexible catheter, a proximal connector hub, and a subcutaneous anchor integrally formed as a unitary structure with an outer wall of the flexible catheter, the flexible catheter including a lumen and extending distally of the proximal connector hub, and the proximal connector hub including a thread pattern configured to releasably connect with an external fluid line; andan inserter tool removably coupled to the intravenous cannula device so as to insert the flexible catheter of the intravenous cannula device through a skin penetration point and into a targeted vessel, the inserter tool including a handle and an insertion needle extending distally from the handle, the insertion needle being slidably engaged with the lumen of the flexible catheter of the intravenous cannula device, wherein the inserter tool is removable from the intravenous cannula device when the insertion needle is proximally withdrawn from the lumen of the flexible catheter,wherein the subcutaneous anchor is positioned between a distal tip of the flexible catheter and the proximal connector hub, and wherein the subcutaneous anchor includes at least one surface to engage tissue in a subcutaneous region along an underside of a skin layer when the flexible catheter of the intravenous cannula device is inserted through a skin penetration point and into a targeted vessel.. A medical system for anchoring an intravenous cannula device in a subcutaneous region along an underside of a skin layer, comprising: This is a continuation of U.S. patent application Ser. No. 15/698,074, filed on Sep. 7, 2017, which is a continuation of U.S. patent application Ser. No. 14/590,088 filed Jan. 6, 2015 which is a continuation of U.S. patent application ...

Treatment device and treatment system

A treatment device for use in treating a biological tissue, includes: a holding portion, an ultrasonic transducer unit, a probe, an inner sheath, a first sealing member, an outer sheath that covers an outer peripheral surface of the inner sheath, a second sealing member, and an actuator that moves the ultrasonic transducer unit, the probe and the inner sheath integrally to the outer sheath along the longitudinal axis.

Methods And Systems For Treatment Of Acute Ischemic Stroke

A system of devices for treating an artery includes an arterial access sheath adapted to introduce an interventional catheter into an artery and an elongated dilator positionable within the internal lumen of the sheath body. The system also includes a catheter formed of an elongated catheter body sized and shaped to be introduced via a carotid artery access site into a common carotid artery through the internal lumen of the arterial access sheath. The catheter has an overall length and a distal most section length such that the distal most section can be positioned in an intracranial artery and at least a portion of the proximal most section is positioned in the common carotid artery during use. 1. A method of performing a medical procedure at a treatment site in a cerebral vessel of a patient , the method comprising: a catheter having a catheter lumen and a distal end; and', 'a tapered inner member extending through the catheter lumen, wherein a distal end of the tapered inner member extends distal to the distal end of the catheter, the tapered inner member having a lumen; and, 'assembling a coaxial system of devices, the assembled coaxial system of devices comprisingadvancing the assembled coaxial system of devices together after the distal end of the catheter is distal to the petrous portion of the internal carotid artery.2. The method of claim 1 , further comprising removing the tapered inner member after the catheter is placed at or near the treatment site.3. The method of claim 2 , further comprising advancing a treatment device into the lumen of the catheter so that the treatment device resides at or near the treatment site.4. The method of claim 2 , further comprising removing occlusive material while applying a negative pressure to the catheter lumen to capture occlusive material at claim 2 , within claim 2 , or through the distal end of the catheter.5. The method of claim 4 , wherein the step of removing occlusive material comprises:inserting a retrievable ...

LOW-PROFILE SURGICAL ACCESS DEVICES WITH ANCHORING

In the Abstract, please include the following paragraph, following the claim set: A surgical access device includes a proximal housing having proximal and distal end portions, the distal end portion of the housing being configured and adapted to engage a proximal portion of a flexible wound retractor. The proximal housing can be provided with a plenum chamber being defined therein, the plenum chamber being in fluid communication with at least one nozzle. The nozzle is preferably configured to direct pressurized fluid in an axial direction from the plenum chamber into a fluid in an axial direction from the plenum chamber into a central bore of the surgical access device to provide a constant gaseous seal around a surgical instrument inserted therethrough, while inhibiting a loss of pressurized fluid from the body cavity therethrough. The plenum chamber can be adapted and configured to receive pressurized fluid and conduct the pressurized fluid to the at least one nozzle. 1. A surgical access device comprisinga housing having proximal and distal end portions;an access tube extending distally from the distal end of the housing, adapted and configured to extend at least partially though an incision formed in the abdominal wall of a patient, the access tube having a hyperbolic shape in cross section, with an expanded-diameter distal portion to inhibit removal from an incision; anda cover disposed over a proximal end portion of the housing adapted and configured to reduce sound from fluid flowing through the access device.233-. (canceled) This Application is a Continuation Application of U.S. patent application Ser. No. 13/388,644, filed Sep. 24, 2012 which is a U.S. National Stage Application under 35 U.S.C. § 371 based on International Application No. PCT/US10/51955 filed Oct. 8, 2010 which is related and claims the benefit of priority to PCT Application No. PCT/US2009/60299, filed Oct. 10, 2009, which in turn claims the benefit of priority to U.S. Patent Application ...

CANNULAS HAVING BODY WALL RETENTION FEATURES, AND RELATED SYSTEMS AND METHODS

A cannula may include a cannula bowl having an opening to receive an instrument configured to be advanced through the cannula, and a cannula tube extending distally from the cannula bowl. The cannula tube may have a proximal end opening, a distal end opening disposed at an opposite end of the cannula from the proximal end opening, and lateral wall defining a passage extending from the proximal end opening to the distal end opening. The lateral wall can have outer dimensions defining a waisted portion with smaller outer dimensions than a region disposed proximally or distally to the waisted portion along a length of the cannula tube. 120.-. (canceled)21. A cannula comprising:a cannula bowl having an opening to receive an instrument configured to be advanced through the cannula; anda cannula tube extending distally from the cannula bowl,the cannula tube comprising a proximal end opening to the cannula bowl,the cannula tube comprising a distal end opening at an opposite end of the cannula from the opening of the cannula bowl,the cannula tube having a first, tapered outer profile in a proximal-to-distal direction along a first length portion of the cannula tube,the cannula tube having a second, flared outer profile in a proximal-to-distal direction along a second length portion of the cannula tube, andthe cannula tube having a third, tapered outer profile in a proximal-to-distal direction along a third length portion of the cannula tube;wherein the second length portion is distal to the first length portion; andwherein the third length portion is distal to the second length portion.22. The cannula of claim 21 , wherein the third length portion terminates at the distal end opening of the cannula tube.23. The cannula of claim 21 , wherein a junction of the first length portion of the cannula tube and the second length portion of the cannula tube defines a waist portion of the cannula tube.24. The cannula of claim 21 , wherein one or more of the first claim 21 , second ...

NATURAL ORIFICE SURGERY SYSTEM

Embodiments of a surgical access port system that comprises a retractor that is adapted for being coupled to a cap and that is particularly useful in natural orifice surgery are described. The retractor comprises an outer ring, wherein the outer ring is configured to be disposed proximate the natural orifice of the patient and substantially surround the orifice; a tubular body; and a funnel segment extending between and coupling the outer ring and the tubular body, wherein the funnel segment provides a diametric reduction between the relatively large diameter of the outer ring and the relatively smaller diameter of the tubular body, which is sized to fit within a natural orifice with minimal distention of the orifice. 1. A surgical access port system adapted for performing surgical procedures at a natural orifice comprising:an outer ring, wherein the outer ring is configured to be disposed proximate the natural orifice of the patient;a tubular body having a proximal end, a distal end, a longitudinal axis and a fixed length and diameter adapted to accommodate the anatomy of the natural orifice, wherein the tubular body defines a passage sufficiently large such that at least two surgical instruments positioned there through can be translated or pivoted relative to one another;an inner ring disposed around the distal end of the tubular body, the inner ring having a diameter greater than the diameter of the tubular body and configured to retain the tubular body within the natural orifice;a funnel segment extending between and coupling the outer ring and the tubular body, wherein the funnel segment provides a diametric reduction between the outer ring and the tubular body; anda removable cap, wherein the cap is engagable with the outer ring.2. The surgical access port system of claim 1 , wherein the funnel segment comprises an inner surface that can provide a bearing surface for an obturator used to advance to the retractor into a body cavity.3. The surgical access port ...

Surgical visualization systems and related methods

Surgical visualization systems and related methods are disclosed herein, e.g., for providing visualization during surgical procedures. Systems and methods herein can be used in a wide range of surgical procedures, including spinal surgeries such as minimally-invasive fusion or discectomy procedures. Systems and methods herein can include various features for enhancing end user experience, improving clinical outcomes, or reducing the invasiveness of a surgery. Exemplary features can include access port integration, hands-free operation, active and/or passive lens cleaning, adjustable camera depth, and many others.

Apparatus and methods for tissue anchoring of medical devices

An apparatus for tissue anchoring of a medical device includes a retention member and an elastic member secured between ends of the retention member. The retention member, being transformable along a longitudinal axis of the apparatus, is held by a spring bias of the elastic member in a first, gripping state; and, when opposing forces compress the elastic member, the retention member is transformed to a second, open state. In the first state, a lumen defined by a sidewall of the retention member has a diameter to forms a interference fit around a body of the device, and the ends of the retention member are spaced apart by a first distance; in the second state, the ends are spaced closer together than in the first state, and the diameter of the lumen is enlarged to allow movement of the apparatus along a length of the device body.

TEMPORARY RETENTION DEVICE

A retention device for anchoring indwelling catheters, sheath introducers, feeding tubes, ostomy bags or other medical devices beneath the skin of a patient includes an deployable section coupled to a medical device; following introduction into a patient, the deployable section is subcutaneously deployed, securely anchoring the device and coupled medical device for the duration of treatment. 1. (canceled)2. A device for securing a catheter relative to a skin opening of a patient that is occupied by the catheter , comprising:a catheter retainer body including a longitudinal channel configured to releasably engage with an outer surface of an external portion of a catheter; and a first flexible anchor having a first free end that terminates at a non-sharp tip, and a second flexible anchor having a second free end that terminates at a non-sharp tip, the second flexible anchor contemporaneously insertable with the first flexible anchor through a same skin opening as the catheter;', 'wherein the first and second flexible anchors are movable between a first position in which the first and second flexible anchors are positioned for insertion through the same skin opening to a subcutaneously deployed position in which the first free end of the first anchor and the second free end of the second anchor extend outwardly away from one another in generally opposite directions and are configured to engage tissue along an underside of the skin layer., 'a subcutaneous anchor assembly in contact with the retainer body and spaced apart from the longitudinal channel of the retainer body, including3. The device of claim 2 , wherein the subcutaneous anchor assembly is movable relative to the catheter retainer body.4. The device of claim 2 , wherein the first anchor includes a first convexly bowed portion extending lengthwise toward the free end of the first anchor such that the first convexly bowed portion faces proximally toward the catheter retainer body claim 2 , and wherein the ...

SINGLE PORT ACCESS SYSTEM

Embodiments of a surgical access system useful for single or limited port procedures comprise a trocar comprising a fixation cannula, a retractor, and a gel cap removably coupled to the retractor. The gel cap comprises a gel pad that acts as an artificial body wall, through which instruments may be inserted into a body cavity, either directly or through one or more trocars. The fixation cannula comprises a retainer and a bolster, which together, capture the artificial body wall therebetween, thereby fixing the trocar thereto. The gel pad permits flexible instrument placement, as well as translational and angular degrees of freedom for the instruments while maintaining a gas tight seal.

Canula fixation devices, systems, and related methods

A cannula fixation device for insertion at a surgical incision includes a sleeve having a passage configured to receive a cannula, and a clamp configured to rotatably couple the cannula to the sleeve and to maintain an axial position of the cannula relative to the sleeve.

LOW-PROFILE SURGICAL ACCESS DEVICES WITH ANCHORING

In the Abstract, please include the following paragraph, following the claim set: A surgical access device includes a proximal housing having proximal and distal end portions, the distal end portion of the housing being configured and adapted to engage a proximal portion of a flexible wound retractor. The proximal housing can be provided with a plenum chamber being defined therein, the plenum chamber being in fluid communication with at least one nozzle. The nozzle is preferably configured to direct pressurized fluid in an axial direction from the plenum chamber into a fluid in an axial direction from the plenum chamber into a central bore of the surgical access device to provide a constant gaseous seal around a surgical instrument inserted therethrough, while inhibiting a loss of pressurized fluid from the body cavity therethrough. The plenum chamber can be adapted and configured to receive pressurized fluid and conduct the pressurized fluid to the at least one nozzle. 1. A surgical access device comprisinga housing having proximal and distal end portions;an access tube extending distally from the distal end of the housing, adapted and configured to extend at least partially though an incision formed in the abdominal wall of a patient, the access tube having a hyperbolic shape in cross section, with an expanded-diameter distal portion to inhibit removal from an incision; anda cover disposed over a proximal end portion of the housing adapted and configured to reduce sound from fluid flowing through the access device.233-. (canceled) This Application is a Continuation Application of U.S. patent application Ser. No. 13/388,644, filed Sep. 24, 2012 which is a U.S. National Stage Application under 35 U.S.C. § 371 based on International Application No. PCT/US10/51955 filed Oct. 8, 2010 which is related and claims the benefit of priority to PCT Application No. PCT/US2009/60299, filed Oct. 10, 2009, which in turn claims the benefit of priority to U.S. Patent Application ...

ENDOSCOPIC SURGICAL DEVICE AND EXTERIOR TUBE

The overtube includes a slider within an overtube body, which guides an endoscope and a treatment tool into a body cavity. An endoscope-coupled part and a treatment tool-coupled part are provided inside the slider, and the slider has a dead zone where the forward and backward movement of either the endoscope or the treatment tool does not interlock with the movement of the other and a sensing zone where the forward and backward movement of either the endoscope or the treatment tool interlocks with the movement of the other. A contact surface of the overtube body with a body wall is constituted of a wall surface member that serves as a rotation-preventing wall surface for preventing rotation in a rotational direction with an axial direction of the overtube body as a center. 1. An endoscopic surgical device comprising:an endoscope that observes the inside of a body cavity;a treatment tool that inspects or treats an affected part within the body cavity;an overtube that guides the endoscope and the treatment tool into the body cavity; andan exterior tube that fixes the overtube to an abdominal wall,wherein the overtube includesan overtube body that passes through a body wall and is inserted into the body cavity,a slider member provided in the overtube; anda sleeve member provided in the overtube;wherein the slider member has a first stopper and a second stopper which are provided separately from each other in a longitudinal axis direction of the overtube,the sleeve member is slidably located on a first path formed between the first stopper and the second stopper,the slider member has a first holder part configured to hold the endoscope and a second path through which the endoscope is inserted,the sleeve member has a third path through which the treatment tool is inserted, and the sleeve member comprises a second holding part configured to hold the treatment tool inserted through the third path,wherein the exterior tube comprises:an insertion part that covers the portion ...

Introducer Sheath With Seal And Methods Of Using The Same

In some embodiments, an apparatus includes an introducer sheath and a dilator. The introducer sheath can include a body portion and a tip portion. The body portion can be coupled to the tip portion via a seal portion. The dilator can be configured to be inserted into a lumen defined by the introducer sheath such that the dilator can engage with the tip portion and translate the tip portion relative to the body portion such that the tip portion moves the seal portion from a biased neutral configuration to an extended configuration for delivery of the apparatus to a location in a patient's body. The seal portion can have a larger outermost diameter in the neutral configuration than in the extended configuration.

Coring device and coring and insertion assembly comprising such a device

A coring device, for forming an opening in a tissue wall, includes a body having a proximal end, a distal end and an internal housing, a coring head having a transection blade and being movable between a rest position and an actuated position, an actuation mechanism for moving the head between the positions and having an actuation rod, at one end of which the head is placed, a lumen extending through at least the proximal end of the body, actuation rod and coring head in order to allow passage of a flexible guide element, and the distal end of the body forms a support for a surgical tool configured to receive a hollow surgical tool with a positive fit and to support this tool to permit linear guiding of the surgical tool during the movement of the latter toward the outside of the coring device.

Transcarotid Neurovascular Catheter

An interventional catheter for treating an artery includes an elongated body sized and shaped to be transcervically introduced into a common carotid artery at an access location in the neck. The elongated body has an overall length such that the distal most section can be positioned in an intracranial artery and at least a portion of the proximal most section is positioned in the common carotid artery during use. 119-. (canceled)20. An interventional catheter for treating an artery , comprising:an elongated body adapted to be inserted into a common carotid artery via an access location in the neck such that the elongated body can be navigated distally to an intracranial artery through the common carotid artery via the access location, the elongated body having an internal lumen, a proximal opening, and a distal opening;wherein the elongated body has a proximal most section and a distal most section, the proximal most section being a stiffest portion of the elongated body, and wherein the elongated body has an overall length such that the distal most section can be positioned in an intracranial artery while the proximal most section is positioned in the common carotid artery during use;wherein the distal most section of the catheter has an inner diameter of 0.035 to 0.062 inch;wherein the catheter can navigate around a 180° bend with a radius of 0.100″ without kinking; andwherein the catheter does not collapse when connected to a vacuum up to 25 inHg while navigating around a 180° bend with a radius of 0.100″.21. A catheter as in claim 20 , wherein the elongated body includes a first transition section between the proximal section and the distal most section claim 20 , and wherein the transition section has a stiffness between a stiffness of the proximal most section and the distal most section.22. A catheter as in claim 20 , wherein the elongated body has a working length and wherein the distal most section is between 3% and 15% of the length of the working length ...

Retractable Cannula for Surgical Procedures

A cannula assembly having a plurality of outwardly-biased flexible fins capable of inward movement such that the fins converge upon insertion of a trocar device. The fin embodiment including a slot formed therein, with a corresponding raised feature on the trocar shaft capable of engaging the slots. Inward movement of the trocar within the cannula lumen causes the fins to converge. An additional embodiment utilizes outwardly-biased flexible fins that lock together in a closed position, with corrugated features in the fin inner surface that contact the trocar shaft such that, upon insertion of the trocar, the fins unlock and splay outward. One or more of the flexible fins also including one or more penetrations for accepting a biasing device for altering the biasing force of the fin. 1. A cannula for surgical procedures , the cannula comprising:a body member forming a lumen having a plurality of flexible fins extending therefrom, the flexible fins capable of inward convergence to allow insertion of the body member into an incision in the skin of a patient to form a port for a surgical tool, one or more of the flexible fins comprising a penetration for accepting an insertable biasing device.2. The cannula of claim 1 , the cannula further comprising:an insertable biasing device.3. The cannula of claim 1 , the cannula further comprising:an insertable biasing device, wherein the insertable biasing device is comprised of shape memory alloy.4. The cannula of claim 1 , the cannula further comprising:an insertable biasing device, wherein the insertable biasing device is comprised of polymer.5. The cannula of claim 1 , the cannula further comprising:an insertable and removable biasing device.6. The cannula of claim 1 , the cannula further comprising:an insertable and removable biasing device comprising a proximal head for controlling depth of insertion of the biasing device.7. The cannula of claim 1 , the cannula further comprising:an insertable and removable biasing device, ...

APPARATUS FOR INSERTING A SURGICAL DEVICE AT LEAST PARTIALLY THROUGH A WOUND OPENING

An apparatus () for inserting a distal ring () of a wound retractor device () through a wound opening comprises a bladeless tip () for creating the wound opening by forcing tissue apart, and a conveying device () for conveying the distal ring () through the wound opening. The conveying device () comprises a hook element () for engaging the distal ring () to convey the distal ring () through the wound opening, and a receiver housing () for receiving a seal () and a proximal ring () of the wound retractor device () to hold the seal () and the proximal ring () externally of the wound opening, and thus maintain a sleeve portion of the wound retractor device () in tension, during conveying of the distal ring () through the wound opening. 1171-. (canceled)172. A kit for retracting a wound opening , the kit comprising: a proximal ring,', 'a distal ring, and', 'a retracting sleeve extending between the proximal ring and the distal ring for engaging the wound opening; and, 'a wound retractor including the holder including a distal portion having a distal opening, and', 'the movable member coupled to the holder and movable relative to the holder between a retracted position and an extended position, wherein when the introducer is in use with the wound retractor, with the movable member in the retracted position, a sidewall of the distal portion of the holder extends about a chamber for receiving the distal ring, and moving the movable member distally to the extended position exerts a force on the distal ring for ejecting the distal ring from the chamber., 'an introducer including a holder and a movable member,'}173. The kit of claim 172 , wherein the chamber includes a proximal end and a distal end claim 172 , and the movable member includes a distal-facing surface claim 172 , and wherein the distal-facing surface defines the proximal end in the retracted position of the movable member.174. The kit of claim 173 , wherein the distal-facing surface is at the distal end of the ...

DETACHABLE ANCHOR FOR GUIDING TOOL OF MINIMALLY INVASIVE SURGERY

Disclosed is a detachable anchor for a guiding tool of a minimally invasive surgery. The detachable anchor includes a hollow elongate member arranged to coaxially fit over a shaft of the guiding tool. The detachable anchor also includes an expandable sleeve having a first end and a second end. The expandable sleeve is at least partially double wall structure consisting of an inner wall and an outer wall. The walls are attached to each other at least at the second end of the sleeve. Further, the sleeve is attached at its first end to the hollow clongate member and has an inlet for inflating medium. 1. A detachable anchor for a guiding tool of a minimally invasive surgery , comprising a hollow elongate member arranged to coaxially fit over a shaft of the guiding tool , and having a first end and a second end,', 'having at least partially double wall structure consisting of an inner wall and an outer wall, wherein the walls are attached to each other at least at the second end of the sleeve,', 'wherein the expandable sleeve is attached at its first end to the hollow elongate member, and', 'includes an inlet for inflating medium., 'an expandable sleeve'}2. A detachable anchor according to claim 1 , wherein the hollow elongate member comprises a first portion claim 1 , a second portion integrally extending from the first portion and an opening extending through the first portion and the second portion claim 1 , wherein the first portion and the second portion are co-axial.3. A detachable anchor according to wherein the hollow elongate member comprises an inlet and an outlet for inflating medium claim 1 , the outlet being connected to the inlet for inflating medium in the sleeve.4. A detachable anchor according to claim 3 , wherein the inlet of the hollow elongate member is arranged to be coupled to a connector.5. A detachable anchor according to claim 1 , wherein the thickness of at least one of the inner and outer walls of the sleeve varies along its length.6. A ...

FLEXIBLE CANNULA

A flexible cannula and radially extending conformable flanges used to provide an adjustable effective length of flexible cannula, adjustable for varying tissue depths. At least some of the example embodiments include a flexible tubular body having a length, a flexible distal flange, a flexible proximal flange, and one or more flexible intermediate flanges positioned on the length of the tubular body between the distal and the proximal flanges. All of the flanges may be have the equivalent outer diameters. Each flange may be spaced axially spaced apart from the adjacent flexible flange with varying spacing. Some flanges may also have a circumferential row of perforations, allowing for selective removal of some flanges. The tubular body may also have a ring of perforations, allowing for selective removal of a portion of the tubular body. The flexible cannula may also have at least one suture docking stations on a proximal end of the cannula, to selectively retain a length of suture therein. 1. A flexible cannula for inserting through a target tissue comprising:a tubular body having a length, a distal flexible flange, a proximal flexible flange, and at least one intermediate flexible flanges all fixedly positioned on the length of the tubular body between the distal and the proximal flanges; wherein the distal flexible flange, proximal flexible flange, and one or more intermediate flexible flanges all define an outer diameter and a radial surface respectively, wherein the distal flexible flange radial surface is configured to engage a first tissue surfaces of the target tissue and wherein the proximal and intermediate flexible flange radial surfaces are configured to selectively engage a second tissue surface opposite the first tissue surface so as to stabilize the flexible cannula.2. The flexible cannula of wherein the flexible flanges have a relaxed position that extends perpendicular to the tubular body elongate axis.3. The flexible cannula of wherein the one or ...

BUTTON PORT

The present disclosure relates to a surgical apparatus for positioning within an incision in tissue. In one aspect of the present disclosure, the surgical access apparatus includes an elongated seal member configured to removably receive at least one surgical object, and a deployment member. In another of the present disclosure, the surgical access apparatus includes a housing configured to removably receive at least one surgical object, an elongated member, and at least one filament. A method of percutaneously accessing an underlying surgical work site using the surgical apparatus is also disclosed. 1. A surgical access apparatus for positioning within an incision in tissue to facilitate access to an underlying surgical site , the surgical access apparatus comprising:a housing configured to removably receive at least one surgical object;an elongated member extending distally from the housing defining an axial lumen configured to allow the at least one surgical object to pass therethrough, the elongated member being adapted to transition from a first extended condition, in which the elongated member is configured for at least partial insertion within the incision, and a second compressed condition, in which the elongated member defines a tissue engaging portion configured to facilitate anchoring of the elongated member within the incision; andat least one filament secured to the elongated member and extending proximally relative thereto, the at least one filament being dimensioned for grasping by a user such that drawing the at least one filament proximally transitions the elongated member from the first condition to the second condition.2. The surgical access apparatus of claim 1 , wherein the at least one filament is disposed within the lumen of the elongated member.3. The surgical access apparatus of claim 1 , wherein the at least one filament is secured to an external surface of the elongated member.4. The surgical access apparatus of claim 1 , further including ...

Self-adjusting pneumatically sealed trocar

A surgical access device including a housing having a nozzle assembly, a gas supply plenum, a gas return plenum, and a pressure sensing plenum, as well as an elongated tubular body that extends from the housing portion and defines a central lumen communicating with the nozzle assembly and the gas return plenum, a telescopic cannula assembly associated with the tubular body and including a proximal section arranged coaxially within the tubular body and a distal section coaxially supported within the proximal section and mounted for movement relative to the proximal section between retracted and extended positions, and an elastomeric sheath associated with the telescopic cannula assembly and having a distal anchor portion for securing the surgical access device during a laparoscopic surgical procedure.

Multi-shield spinal access system

An access device for accessing an intervertebral disc having an outer shield comprising an access shield with a larger diameter (˜16-30 mm) that reaches from the skin down to the facet line, with an inner shield having a second smaller diameter (˜5-12 mm) extending past the access shield and reaches down to the disc level. This combines the benefits of the direct visual microsurgical/mini open approaches and the percutaneous, “ultra-MIS” techniques.

METHOD FOR ANCHORING AND SEALING A CANNULA ASSEMBLY TO THE BODY OF A PATIENT

A cannula assembly for use in laproscopic surgery includes a cannula having a proximal end for use in orientating the assembly into an abdominal cavity, a distal end for insertion into a patient, and a passage through which surgical instruments can be inserted. An expandable feature in the form of an anchor is located toward the distal end of the cannula and is selectively expandable and collapsible. The feature in its expanded state prevents withdrawal of the cannula. A collar is pushed distally until it releasably cinches to the outside of the abdominal cavity thereby creating an airtight seal and stabilizing the assembly. The collar has a friction fit with the cannula designed to prevent excessive force against the cavity walls. 120-. (canceled)21. A cannula assembly having a proximal end , a distal end , and a longitudinal axis passing through the proximal and distal ends , said cannula assembly comprising:an inner sleeve having an interior surface and an exterior surface;an outer sleeve having an interior surface adapted for slidable engagement with said exterior surface of said inner sleeve, said outer sleeve being fixedly attached to said inner sleeve away from the proximal end of said cannula assembly, said outer sleeve including a movable portion defined intermediate the proximal end and the distal end, a stationary portion distal of said movable portion, an exterior surface, and an anchor defined on said exterior surface, said anchor, upon movement of said movable portion toward the distal end into contact with said stationary portion, being radially expandable from a retracted position along the longitudinal axis to an expanded position to anchor said cannula assembly to a patient; anda collar having an internal surface adapted to form a friction fit with said exterior surface of said outer sleeve to permit said collar to move the movable portion of said outer sleeve relative to said inner sleeve toward the distal end and move said anchor from the ...

Surgical access device with rotatably actuated fixation mechanism

A surgical access device includes a cannula body and a fixation mechanism. The cannula body includes a housing, and an elongated portion extending distally from the housing and defining a longitudinal axis. The fixation mechanism includes a flange, a fixation sleeve, and a proximal sleeve. The flange is rotatable about the longitudinal axis. The fixation sleeve extends distally from the flange and radially surrounds a portion of the elongated portion of the cannula body. The proximal sleeve extends distally from the flange and radially surrounds a proximal portion of the fixation sleeve. Rotation of the flange causes a radially-expandable portion of the fixation sleeve to move between a first position defining a first gap between the radially-expandable portion and the elongated portion, and a second position defining a second, greater, gap between the radially-expandable portion and the elongated portion.

Fossa ovalis penetration

Apparatus and methods are described, including apparatus for puncturing a fossa ovalis of a heart. The apparatus comprises a catheter shaped to define a catheter lumen. A puncturing element is slidably disposed within the catheter lumen, and is configured to be deployed from a distal portion of the catheter and to puncture the fossa ovalis. One or more flexible longitudinal members are configured to be deployed from the distal portion of the catheter, and upon being deployed, facilitate the puncturing of the fossa ovalis by the puncturing element, by contacting tissue at a perimeter of the fossa ovalis. Other applications are also described.

Coronary Sinus Cannulation

A method of visually locating a vessel within a body lumen comprises displacing an opaque fluid with an inflatable member contained within an open area of a barrier or membrane. The method also comprises positioning the inflatable member against or adjacent to a tissue region at a first location and visually assessing the tissue region at the first location through the inflatable member. The method also comprises repositioning the inflatable member against or adjacent to the tissue region at a second location. 112-. (canceled)13. A method of visually locating a vessel within a body lumen , comprising: 'positioning the inflatable member against or adjacent to a tissue region at a first location;', 'displacing an opaque fluid with an inflatable member contained within an open area of a barrier or membrane;'} 'repositioning the inflatable member against or adjacent to the tissue region at a second location.', 'visually assessing the tissue region at the first location through the inflatable member; and'}14. The method of further comprising collapsing the inflatable member such that the open area is unobstructed.15. The method of further comprising displacing opaque fluid with a transparent fluid through a fluid delivery lumen defined through a catheter through which the barrier or membrane extends from the open area defined by the barrier or membrane and the tissue region at the second location.16. The method of wherein displacing opaque fluid with a transparent fluid comprises pumping saline claim 15 , plasma claim 15 , water claim 15 , or perfluorinated liquid into the open area such that blood is displaced from therefrom.17. The method of further comprising advancing the barrier or membrane into a left atrial chamber of a heart prior to displacing an opaque fluid with an inflatable member.18. The method of wherein repositioning comprises moving the inflatable member along the tissue region while visualizing the tissue region through the inflatable member.19. The ...

Retention anchor for surgical access devices

A surgical access assembly includes a cannula and a retention anchor including an annular body and a washer secured to the annular body. The annular body includes an inner side surface defining an opening therethrough, and the washer includes an inner terminal edge defining an opening therethrough that is aligned with the opening of the annular body. The elongated shaft of the cannula extends through the openings. The washer is transitionable between a first configuration in which the inner terminal edge of the washer is coincident with or disposed radially outwardly of the inner side surface of the annular body so that the retention anchor is slidable along the elongated shaft, and a second configuration in which the inner terminal edge of the washer extends radially inwardly of the inner side surface of the annular body and engages the elongated shaft to fix the retention anchor to the elongated shaft.

RETENTION ANCHOR FOR SURGICAL ACCESS DEVICES

A surgical access assembly includes a cannula including an elongated shaft and a retention anchor movable position along the elongated shaft. The retention anchor includes an annular body and a wiper disposed at a distal end of the annular body. The annular body includes a proximally-facing surface, a distally-facing surface, an outer side surface, and an inner side surface. The inner side surface defines a channel for reception and passage of the elongated shaft therethrough and the proximally-facing surface defines a proximal opening into the channel. The wiper extends radially inwardly of the inner side surface and defines a distal opening into the channel for establishing a sealed relation about the elongated shaft. The distal opening has a smaller diameter than the proximal opening. 1. A surgical access assembly comprising:a cannula including an elongated shaft; and an annular body including a proximally-facing surface, a distally-facing surface, an outer side surface, and an inner side surface, the inner side surface defining a channel for reception and passage of the elongated shaft therethrough, the proximally-facing surface defining a proximal opening into the channel; and', 'a wiper disposed at a distal end of the annular body, the wiper extending radially inwardly of the inner side surface and defining a distal opening into the channel for establishing a sealed relation about the elongated shaft, the distal opening having a smaller diameter than the proximal opening., 'a retention anchor movably positioned along the elongated shaft, the retention anchor including2. The surgical access assembly of claim 1 , wherein the inner side surface of the annular body frictionally engages the elongated shaft of the cannula.3. The surgical access assembly of claim 2 , wherein the inner side surface of the annular body includes ridges disposed in longitudinally spaced relation relative to each other.4. The surgical access assembly of claim 3 , wherein each ridge ...

Control and display device

A device for display of medical vision images and video may include a portable display screen and housing. The device may also include a mounting mechanism located on the back of the housing. The mounting mechanism may be configured to removably engage a complementary mounting mechanism on a structure for removably mounting the portable display screen and housing to the structure. The device may also include means for communicatively coupling the portable display screen to one or more optoelectronic vision and illumination modules for control and processing of information.

DILATION DELIVERY SYSTEM FOR A MEDICAL DEVICE

A kit including a sheath having a tubular body with proximal and distal ends, an axis extending between the ends and a wall defining a bore extending along the axis to the distal end of the body. A delivery tube having proximal and distal ends and a lumen is adapted for disposition within the bore of the sheath in sealing engagement with the sheath, the delivery tube being slideable distally relative to the sheath. An elongated cannula having proximal and distal ends and a lumen is adapted for disposition inside the lumen of the delivery tube and an elongated dilator is adapted to fit within the lumen of the cannula with a proximal portion of the dilator extending proximally beyond the proximal ends of the cannula and delivery tube and in sealing engagement with the delivery tube proximal to the cannula. 1. An assembly , comprising:An enclosure including a sheath having proximal and distal ends, an axis extending between the proximal and distal ends and a wall defining a bore extending along the axis to the distal end of the body; andan end element disposed at the distal end of the bore, the end element including a plurality of flaps having proximal ends attached to the wall of the body at the distal end of the body and distal ends remote from the body, the flaps being in a closed position in which the flaps slope inwardly toward the axis from their proximal ends toward their distal ends so that the flaps cooperatively define a surface tapering in the distal direction beyond the distal end of the body, the flaps being displaceable so as to move the distal ends of the flaps away from the axis and pivot the flaps to an open positionan elongated cannula having proximal and distal ends and a lumen, the cannula being contained within the enclosure with the distal end of the cannula disposed proximate the distal end of the sheath; anda dilator having a distal portion disposed within the lumen of the cannula with a proximal portion of the dilator extending proximally ...

METHOD FOR ANCHORING AND SEALING A CANNULA ASSEMBLY TO THE BODY OF A PATIENT

A cannula assembly for use in laproscopic surgery includes a cannula having a proximal end for use in orientating the assembly into an abdominal cavity, a distal end for insertion into a patient, and a passage through which surgical instruments can be inserted. An expandable feature in the form of an anchor is located toward the distal end of the cannula and is selectively expandable and collapsible. The feature in its expanded state prevents withdrawal of the cannula. A collar is pushed distally until it releasably cinches to the outside of the abdominal cavity thereby creating an airtight seal and stabilizing the assembly. The collar has a friction fit with the cannula designed to prevent excessive force against the cavity walls. 120-. (canceled)21. A method for anchoring and sealing a cannula assembly to the body of a patient , the method comprising the steps of:providing the cannula assembly having a proximal end, a distal end, and a longitudinal axis passing through the proximal and distal ends, the cannula assembly having an inner sleeve having an interior surface forming a passage through the cannula assembly and the inner sleeve having an exterior surface, the cannula assembly having an outer sleeve having an interior surface adapted for slidable engagement with the exterior surface of the inner sleeve, the inner sleeve and the outer sleeve being joined to one another proximate the distal end of the cannula assembly, the outer sleeve having a radially expandable anchor toward the distal end of the cannula assembly, the radially expandable anchor being configured to be movable between a retracted position and an expanded position, and the cannula assembly having a longitudinally movable collar having an internal surface forming a friction fit with the exterior surface of the outer sleeve, a force sufficient to overcome the friction fit being greater than a force to move the radially expandable anchor from the retracted position to the expanded position, the ...

Anchor Device and Method

Some embodiments of an anchor device may include bendable anchor mechanism that is deployable in a subcutaneous layer to releasably secure the anchor device to a patient's body. Certain embodiments of the anchor mechanism may include one or more barbs that flexibly bend in response to an insertion or removal force. As such, the anchor mechanism may be inserted into a subcutaneous layer, and removed from the subcutaneous layer, without the need for a separate actuation device to extend or retract the barbs.

Methods And Systems For Treatment Of Acute Ischemic Stroke

A system of devices for treating an artery includes an arterial access sheath adapted to introduce an interventional catheter into an artery and an elongated dilator positionable within the internal lumen of the sheath body. The system also includes a catheter formed of an elongated catheter body sized and shaped to be introduced via a carotid artery access site into a common carotid artery through the internal lumen of the arterial access sheath. The catheter has an overall length and a distal most section length such that the distal most section can be positioned in an intracranial artery and at least a portion of the proximal most section is positioned in the common carotid artery during use. 118.-. (canceled)19. An aspiration catheter system comprising:an access sheath comprising a tubular sheath body with a central lumen having an inner diameter, a proximal end and a distal opening,and a connector operably connected with the proximal end of the sheath body and having an aspiration line that connects to an aspiration source via connector; anda catheter comprising a proximal region, a distal portion comprising a distal opening and extending from the proximal region in a distal direction, and a proximal tether element connecting the distal portion with the connector of the sheath,wherein an aspiration lumen running through the distal portion of the catheter has an inner diameter that is between about 0.035″ and about 0.095″ and wherein the inner diameter of the central lumen of the sheath body is between about 0.065″ and about 0.120″,wherein the proximal region of the catheter is configured to slide within the central lumen of the sheath body to change the relative position of the proximal region within the central lumen and provide for at least a portion of the distal portion to extend outward from the distal opening of the sheath body at appropriate configurations of the proximal region,wherein an effective seal is formed by a tight fit between the proximal ...

Anchor Device and Method

Some embodiments of an anchor device may include bendable anchor mechanism that is deployable in a subcutaneous layer to releasably secure the anchor device to a patient's body. Certain embodiments of the anchor mechanism may include one or more barbs that flexibly bend in response to an insertion or removal force. As such, the anchor mechanism may be inserted into a subcutaneous layer, and removed from the subcutaneous layer, without the need for a separate actuation device to extend or retract the barbs. 1an elongate body having a body wall that at least partially defines a lumen;a subcutaneous anchor mechanism coupled to the elongate body, the subcutaneous anchor mechanism having one or more non-retractable barbs that extend away from the body wall when in a deployed orientation in a subcutaneous layer,wherein the non-retractable barbs are flexibly bendable to a removal orientation when the anchor mechanism is withdrawn from the subcutaneous layer and out through a dermis layer.. An anchor device, comprising: This application is a continuation of U.S. application Ser. No. 15/171,540, filed Jun. 2, 2016, which is a continuation of U.S. application Ser. No. 14/293,125 filed Jun. 2, 2014 (now U.S. Pat. No. 9,381,323), which is a continuation of U.S. application Ser. No. 13/211,625 filed on Aug. 17, 2011 (now U.S. Pat. No. 8,771,232), which is a continuation of U.S. application Ser. No. 12/553,555 filed on Sep. 3, 2009 (now U.S. Pat. No. 8,016,813), which is a division of U.S. application Ser. No. 11/372,283 filed on Mar. 9, 2006 (now U.S. Pat. No. 8,016,794), the contents of these prior applications being incorporated herein by reference.This document relates to an anchor device, such as an anchor device for use in temporary placement of a catheter or other medical device.Venous, arterial, and body fluid drainage catheters are commonly used by physicians. For example, such catheters may be used to temporarily gain access to the vascular system for introducing ...

Diaphragm entry for posterior surgical access

Methods and devices described herein facilitate diaphragm entry for posterior access of body organs.

CANNULA FOR PREVENTING SPRAYING OF LIQUID

A cannula for preventing spraying of liquid is disclosed. The cannula includes a support tube partially inserted into a human body to guide a surgical instrument to an inside of the human body and a handle integrally formed with the support tube to allow the surgical instrument to be in and out of the human body, wherein the handle further includes a plurality of seal plates coupled to an inside thereof to prevent spraying of liquid onto an operator by an internal pressure of the human body and an outlet formed at a side surface thereof to reduce an internal pressure of the handle to atmospheric pressure. 1. A cannula for preventing spraying of liquid , the cannula comprising:a support tube partially inserted into a human body to guide a surgical instrument to an inside of the human body; anda handle integrally formed with the support tube to allow the surgical instrument to be in and out of the human body,wherein the handle further comprises a plurality of seal plates coupled to an inside thereof to prevent spraying of liquid onto an operator by an internal pressure of the human body and an outlet formed at a side surface thereof to reduce an internal pressure of the handle to atmospheric pressure.2. The cannula according to claim 1 , wherein the outlet is configured to be in communication with a rear space of the outermost seal plate among the seal plates and is provided with a discharge guide tube rotatably coupled thereto to guide discharge of liquid of a subject undergoing medical treatment.3. The cannula according to claim 1 , wherein each seal plate is provided at a central portion thereof with an incision portion partially formed through which the surgical instrument is inserted.4. The cannula according to claim 1 , wherein the support tube or the handle is further provided with an auxiliary tube connected thereto through which claim 1 , during medical treatment claim 1 , medication or saline is supplied to the inside of the body of a subject undergoing the ...

SURGICAL DEVICES AND METHODS

Surgical devices having a plurality of outwardly-biased flexible fins capable of inward movement such that the fins converge to provide both a passageway for surgical instruments to traverse towards a surgical site, and provide a substantially impermeable seal, thus providing for fluid retention during the surgical procedure. The outwardly-biased flexible fins provide for soft tissue compression, decreasing the length of the lumen or passageway through which instruments pass, allowing for a wider range of movement of instruments and better access to the surgical site, especially in patients with greater amounts of fat tissue that would otherwise require longer lumen lengths in prior art endoscopic cannulas. 1. A cannula for surgical procedures , the cannula comprising:a body member having walls forming a lumen along at least a proximal portion of a length of said body member, said walls being bifurcated at two or more points along said length to form a plurality of distally extending flexible fins,wherein said fins are naturally biased in an outward direction, andwherein said walls are flexible such that, following insertion of a least a portion of the cannula into a patient during a surgical procedure, at least a portion of said walls are compressed inwardly to form a substantially impermeable seal of said lumen.2. The cannula of claim 1 , wherein one or more biasing devices are embedded within at least a portion of each of said fins.3. The cannula of claim 2 , wherein each of said one or more biasing devices comprise a shape memory alloy.4. The cannula of claim 2 , wherein said substantially impermeable seal permits the passage of one or more instruments used in said surgical procedure.5. The cannula of claim 1 , wherein proximal ends of said one or more biasing devices are secured to a base of said cannula claim 1 , said base formed at a proximal portion of said cannula.6. The cannula of claim 5 , wherein said base has an aperture formed within claim 5 , allowing ...

Surgical Devices and Methods

Surgical devices having a plurality of outwardly-biased flexible fins capable of inward movement such that the fins converge to provide both a passageway for surgical instruments to traverse towards a surgical site, and provide a substantially impermeable seal, thus providing for fluid retention during the surgical procedure. The outwardly-biased flexible fins provide for soft tissue compression, decreasing the length of the lumen or passageway through which instruments pass, allowing for a wider range of movement of instruments and better access to the surgical site, especially in patients with greater amounts of fat tissue that would otherwise require longer lumen lengths in prior art endoscopic cannulas. 1. A surgical device for providing soft tissue compression and fluid retention during surgical procedures , said surgical device comprising:a base member having an aperture extending from a proximal end to a distal end; anda plurality of flexible biasing devices attached to said base, said biasing devices having shafts distally extending from said base,wherein said shafts are naturally biased in an outward direction,wherein said biasing devices are flexible such that, following insertion of at least a portion of said device into a patient during a surgical procedure, at least a portion of said shafts are compressed inwardly to form a substantially impermeable seal.2. The surgical device of claim 1 , wherein each of said plurality of flexible biasing devices comprises a shape memory alloy.3. The surgical device of claim 1 , wherein proximal portions of each of said plurality of flexible biasing devices are movably secured to said base claim 1 , allowing a working length of said biasing devices to be increased and decreased.4. The surgical device of claim 3 , wherein one or more slots formed on outer sides of said base are sized to receive and movably secure said plurality of biasing devices.5. The surgical device of claim 3 , wherein said proximal end of said base ...

ANCHORED CANNULA

An apparatus and method for an anchoring cannula including a first cannula having a proximal end, a distal end, a longitudinal axis and a lumen extending from the proximal end to the oppositely disposed distal end along the longitudinal axis. A second cannula is concentrically arranged within the lumen of the first cannula, the second cannula having a proximal end, a distal end and a lumen extending from the proximal end to the oppositely disposed distal end along the longitudinal axis. The second cannula includes an expandable portion connected to the distal end that is configured to expand when the second cannula is advanced out of the distal end of the first cannula and to change to an unexpanded configuration when retracted back into the distal end of the first cannula. 1. An anchoring cannula comprising:a first cannula having a proximal end, a distal end, a longitudinal axis and a lumen extending from the proximal end to the oppositely disposed distal end along the longitudinal axis, the first cannula including a slot defining an upper limit and a lower limit, anda second cannula concentrically arranged within the lumen of the first cannula, the second cannula having a proximal end, a distal end, a lumen extending from the proximal end to the oppositely disposed distal end along the longitudinal axis and a monolithically formed expandable portion connected to the distal end that is configured to expand when the second cannula is advanced out of the distal end of the first cannula and to return to an unexpanded configuration when retracted back into the distal end of the first cannula.2. An anchoring cannula of claim 1 , wherein the expandable portion of the second cannula is constructed claim 1 , at least in part claim 1 , of a shapeset material.3. An anchoring cannula of claim 1 , wherein the expandable portion of the second cannula is constructed of polymer and shapeset material and is configured to expand when the second cannula is advanced out of the distal ...

EXPANDABLE THORACIC ACCESS PORT

A surgical access assembly includes a body having first and second body members. Each body member has an opposed side and an outer side. The body members are coupled to one another by a connector and are moveable with respect to one another between an approximated position and a spread position wherein the opposed sides are flexed outwardly and apart from one another to define a passageway therebetween. A flexible membrane is coupled to the first and second body members and extends therefrom such that translating the flexible membrane radially outwardly moves the body members from the approximated position to the spread position. 120-. (canceled)21. A surgical access assembly comprising:a body including first and second body members coupled by a connector, each of the first and second body members including an opposed side moveable between an approximated position in which the opposed sides of the first and second body members are positioned adjacent one another and a spread position in which the opposed sides of the first and second body members define a passageway therebetween; andan adjustable ring operably coupled to each of the first and second body members and selectively adjustable from a first position to a second position to move the opposed sides of the first and second body members from the approximated position to the spread position.22. The surgical access assembly according to claim 21 , including a flexible membrane connecting the first and second body members with the adjustable ring such that movement of the adjustable ring from the first position to the second position draws the flexible membrane radially outwardly to move the opposed sides of the first and second body members from the approximated position to the spread position.230. The surgical access assembly according to claim claim 21 , wherein the flexible membrane is configured to extend from an outer side of the first body member to an outer side of the second body member.240. The surgical ...

Meniscal repair devices, systems, and methods

Meniscal repair devices, systems, and methods are provided.

Pericardial access device

Apparatus and methods are described, including apparatus comprising a longitudinal guide member comprising a blunt distal end having an outer surface at least part of which is transparent. The guide member is advanced distally toward a heart of a subject. A sheath is shaped and sized to surround the guide member and shaped to define an at least partially distally-facing suction port at a distal end of the sheath. A portion of a pericardium of the heart is drawn through the suction port and into the sheath, when the suction port is distal to the guide member. A puncturing element punctures the portion of the pericardium while the portion of the pericardium is in the sheath, and a puncturing-element-restraining element inhibits passage of a distal tip of the puncturing element out of the distal end of the sheath. Other applications are also described.

BRACHYTHERAPY SET

Tools for brachytherapy providing an introducer sheath and an afterload catheter with particular marks and gratings that allow for a more precise and safe positioning of the tools and the load of the afterload catheter. In particular, the invention refers to a kit for use in brachytherapy.

Light Carrier Mounting Clip for a Surgical Cannula

A mounting clip is provided for releasably securing a light carrier to a surgical cannula. The clip includes a resilient, axially split sleeve having an opposing pair of split edges that extend between opposing circumferential ends of the sleeve. The sleeve carries a retaining bracket for securing a light carrier to the sleeve. The sleeve is resiliently compressed and inserted into a surgical cannula such that a light carrier held by the retaining bracket of the sleeve illuminates the interior of the cannula and a surgical site in which the cannula is being used.

Techniques for damping vibration in a robotic surgical system

An apparatus for use during robotic surgery, where the apparatus includes a robotic arm; a tool driver connected to the robotic arm; a cannula including a proximal portion and a distal portion wherein the proximal portion is coupled to the tool driver; and a damping element connected to one of the robotic arm, the tool driver and the cannula. Also, a method including guiding a surgical tool coupled to a robotic arm into a patient, wherein the surgical tool is disposed through a cannula and coupled to a tool driver coupled to a distal portion of the robotic arm; and maneuvering the tool driver by way of the robotic arm, wherein vibrations generated by the maneuvering are inhibited by a damping element coupled to one of the robotic arm, the tool driver and the cannula.

FLEXIBLE SINGLE LUMEN GAS SEALED ACCESS PORT FOR USE DURING ROBOTICALLY ASSISTED ENDOSCOPIC SURGICAL PROCEDURES

A gas sealed access port is disclosed including a proximal housing having a central lumen providing gas sealed access to the surgical cavity, an inlet path for communicating with a source of pressurized gas, a tapered neck portion and an interior cavity accommodating an annular jet assembly for receiving pressurized gas from the inlet path to generate a gaseous seal within the tapered neck portion, and an elongated tubular body extending from the tapered neck portion in communication with the central lumen and including a flexible proximal body portion and a rigid distal body portion. 1. A gas sealed access port for performing an endoscopic surgical procedure in a surgical cavity of a patient , comprising:a) a proximal housing including a central lumen providing gas sealed access to the surgical cavity, an inlet path for communicating with a source of pressurized gas, a tapered neck portion and an interior cavity accommodating an annular jet assembly for receiving pressurized gas from the inlet path to generate a gaseous seal within the tapered neck portion to maintain a stable pressure within the surgical cavity; andb) an elongated tubular body extending from the tapered neck portion of the proximal housing in communication with the central lumen and including a flexible proximal body portion and a rigid distal body portion.2. A gas sealed access port as recited in claim 1 , wherein a distal end portion of the tapered neck portion of the proximal housing is dimensioned for insertion into a proximal end portion of the flexible proximal body portion.3. A gas sealed access port as recited in claim 2 , wherein the distal end portion of the tapered neck portion of the proximal housing has an exterior annular shoulder for limiting the insertion of the distal end portion of the tapered neck portion into the proximal end portion of the flexible proximal body portion.4. A gas sealed access port as recited in claim 1 , wherein a proximal end portion of the rigid distal body ...

Electrophysiology mapping and visualization system

Electrophysiology mapping and visualization systems are described herein where such devices may be used to visualize tissue regions as well as map the electrophysiological activity of the tissue. Such a system may include a deployment catheter and an attached hood deployable into an expanded configuration. In use, the imaging hood is placed against or adjacent to a region of tissue to be imaged in a body lumen that is normally filled with an opaque bodily fluid such as blood. A translucent or transparent fluid, such as saline, can be pumped into the imaging hood until the fluid displaces any blood, thereby leaving a clear region of tissue to be imaged via an imaging element in the deployment catheter. A position of the catheter and/or hood may be tracked and the hood may also be used to detect the electrophysiological activity of the visualized tissue for mapping.

Transabdominal Gastric Device and Method

Provided herein are trans-abdominal gastric systems and related methods that are useful in a range of applications for accessing internal regions of a patient. A cannula has internal and external anchors to reliably secure the anchor to an abdominal wall of the patient. An introducer with a capture element facilitates system placement by retrograde introduction. Upon completion, the system is removed and the gastric and abdominal wall incision and defect closed by sutures specially connected to the system that ensures reliable system removal and suture closure in a configuration that is outside the abdominal wall. The systems and methods are particularly suited for use with conventional laparoscopic or endoscopic medical instruments. 1. A surgical system comprising: an outer end;', 'an inner end;', 'a central portion having an outer-facing surface that extends between said inner end and said outer end and an inner-facing surface that defines a lumen configured to receive a portion of a medical instrument that traverses between said outer end and said inner end;, 'a cannula havingan internal anchor connected to said inner end and having a surface shape configured to secure the system against an interior surface of an organ wall or peritoneal surface; andan external anchor removably and translationally connected to said cannula outer-facing surface and having a surface shape configured to secure said system against a skin surface.2. The system of claim 1 , wherein said internal anchor surface shape is adjustable claim 1 , deployable claim 1 , or both.3. The system of claim 2 , wherein said internal anchor is selected from the group consisting of: a balloon; a hinged umbrella; and a flexible bumper.4. The system of claim 1 , wherein said internal anchor encircles said cannula inner end and is configured to secure said system to an interior surface selected from the group consisting of; a stomach; upper GI tract; small intestine; liver claim 1 , gall bladder claim 1 , ...

MEASURING DEVICE

In some embodiments a PEG feeding device includes a tube sized to bridge a channel between a stomach and an outer abdominal surface; an internal bolster, and an external bolster. Optionally the bolsters are connected to the tube. The internal bolster may be sized to resist movement out of the stomach through the stoma. The external bolster may be sized to resist movement into the stoma from the outer abdominal surface. The external bolster may include an underside which extends from the tube in a radial direction between the external bolster and the outer abdominal surface. The underside of the outer bolster may contact the outer abdominal surface at a distance from an external opening of the stoma. Optionally the distance between the internal bolster and the external bolster is adjustable. Optionally an angle between one or both of the bolsters and the tube is adjustable. 1supplying an instrument having a guide and a marker including graduations indicating a distance from said guide;inserting the marker into said organism in a vicinity of said location;positioning said guide at said base site; andreading on said marker a graduation nearest said location indicating said distance.. A method of measuring a depth from a base site to a location inside a living organism comprising: This application is a continuation of U.S. patent application Ser. No. 16/065,807 filed on Jun. 24, 2018, which is a National Phase of PCT Patent Application No. PCT/IL2016/051377 having International Filing Date of Dec. 23, 2016, which claims the benefit of priority under 35 USC § 119(e) of U.S. Provisional Patent Application No. 62/356,482 filed on Jun. 29, 2016.The contents of the above applications are all incorporated by reference as if fully set forth herein in their entirety.The present invention, in some embodiments thereof, relates to port devices and procedures and, more particularly, but not exclusively, to devices and procedures for percutaneous endoscopic gastronomy (PEG).U.S. Pat ...

ANCHOR INSTRUMENTATION AND METHODS

Some embodiments of a medical device anchor system include an anchor sleeve that receives a catheter (or other medical instrument) though a working channel of the anchor sleeve. The anchor sleeve may include a first actuator that controls the extension of one or more subcutaneous tines into the subcutaneous region under the skin. The anchor sleeve can also include a second actuator that can cause the anchor sleeve to lock onto an outer portion of the catheter (or other medical instrument) arrange in the working channel. 1. (canceled)2. An anchor device for securing a catheter to a skin opening , comprising:an elongate body that defines a channel that extends from a proximal opening to a distal tip opening, the channel configured to receive a medical device;a first flexible anchor and a second flexible anchor movable from a non-deployed to a deployed orientation, the first and second flexible anchors extending oppositely away from one another and extending outwardly away from a wall of the elongate body in a subcutaneous region when in the deployed orientation;a first actuator that is adjustable relative to the elongate body so as to shift the first and second flexible anchors from the non-deployed orientation to the deployed orientation, the first actuator comprising an inner surface movably engaged with an outer surface of the elongate body; anda second actuator that is adjustable relative to the elongate body from a first rotational position to a second rotational position so as to urge a locking device between a non-locked configuration in which the medical device is slidably receivable in the elongate body and a locked configuration in which the locking device is configured to inhibit slidable movement of the medical device in the channel, the second actuator having an inner surface in movable engagement with an outer surface of the elongate body, and having an outer surface that is oriented transversely to an outer surface of the first actuator when the second ...

ACCESS PORT WITH INTEGRATED FLEXIBLE SLEEVE

A surgical apparatus for positioning within a tissue tract accessing an underlying body cavity is adapted to tissues having different thicknesses. The surgical apparatus includes an anchor member and a flexible sleeve integrated with the anchor member. The anchor member defines at least one longitudinal port for reception of a surgical instrument. The surgical apparatus defines an adjustable length to accommodate tissues with different thicknesses. 1. A surgical apparatus for positioning within a tissue tract accessing an underlying body cavity , which comprises:an anchor member including at least one longitudinal port defining a passage for reception of object; anda flexible sleeve attached to the anchor member, the flexible sleeve including a ring member attached to the sheath, the ring member adapted to be rolled such that the sheath may be rolled around the ring member to thereby transition the flexible sleeve from a first length to a second length.2. The surgical apparatus according to claim 1 , wherein the surgical apparatus defines an adjustable insertion length corresponding to tissue tracts of different thicknesses.3. The surgical apparatus according to claim 1 , wherein the flexible sleeve includes a sheath in a generally cylindrical configuration.4. The surgical apparatus according to claim 3 , wherein the flexible sleeve defines an adjustable length.5. The surgical apparatus according to claim 4 , wherein the ring member has a non-circular cross-sectional shape that maintains the sheath in a rolled position and helps prevent the sheath from unrolling.6. The surgical apparatus according to claim 3 , wherein the sheath defines an unrolled state that corresponds to a first length of the flexible sleeve and a rolled state that corresponds to a second length of the flexible sleeve claim 3 , the first length is different from the second length.7. The surgical apparatus according to claim 1 , wherein the flexible sleeve is attached to the anchor member by glue ...

TEMPORARY RETENTION DEVICE

A retention device for anchoring indwelling catheters, sheath introducers, feeding tubes, ostomy bags or other medical devices beneath the skin of a patient includes an deployable section coupled to a medical device; following introduction into a patient, the deployable section is subcutaneously deployed, securely anchoring the device and coupled medical device for the duration of treatment. 1. (canceled)2. A method for securing a medical device relative to a skin opening that is occupied by the medical device , the method comprising:inserting a distal portion of a medical device through an opening in a skin layer and into a targeted body site; a medical device retainer body including a longitudinal channel configured to releasably engage with an outer surface of an external portion of the medical device; and', 'an anchor assembly contacting the retainer body and spaced apart from the channel of the retainer body; and, 'advancing first and second flexible anchors of an anchor device contemporaneously through the same opening in the skin layer and into a subcutaneous region under the skin layer while the flexible anchors are in a first position, wherein the anchor device further comprisesmoving the first and second flexible anchors from the first position to a subcutaneously deployed position in which a first free end of the first anchor and a second free end of the second anchor extend outwardly from one another in generally opposite directions and are configured to engage tissue along an underside of the skin.3. The method of claim 2 , wherein the anchor assembly includes a longitudinal extender apparatus secured to the medical device retainer body.4. The method of claim 3 , wherein said first and second flexible anchors extend outwardly away from a distal region of the longitudinal extender apparatus claim 3 , each of the first and second flexible anchors terminating at a non-sharp tip.5. The method of claim 2 , further comprising maintaining the external portion ...

Systems And Methods For Treating A Carotid Artery

Systems and methods are adapted for treating the carotid artery. The systems include interventional catheters and blood vessel access devices that are adapted for transcervical insertion into the carotid artery. Embodiments of the systems and methods can be used in combination with embolic protection systems including blood flow reversal mechanisms, arterial filters, and arterial occlusion devices. 110-. (canceled)11. A method for treating an artery , comprising:inserting an arterial access device into an artery, wherein the access device includes a distal sheath adapted to be transcervically introduced into the artery through a penetration in a wall of the artery; (a) an elongated inner member having a distal region on which the stent may be mounted, the elongated inner member further having a protrusion on a proximal portion of the elongated inner member;', '(b) an elongated stent containment sheath coaxially positioned over the inner member, the stent containment sheath formed by an annular side wall, wherein an opening is formed through a proximal portion of the annular side wall of the stent containment sheath, and wherein the protrusion of the inner member extends outward through the opening such that the protrusion of the inner member may be accessed by a user at a location outside the stent containment sheath;, 'inserting an interventional catheter adapted for transcervical insertion into the artery via the arterial access device, wherein the interventional catheter is adapted to deploy a stent and wherein the interventional catheter includes a first hemostasis valve positioned on a proximal end of the arterial access device, and wherein the interventional catheter is formed oftreating an artery using the interventional catheter.12. A method as in claim 11 , wherein the arterial access device is adapted to receive blood flow from the caroid artery claim 11 , and further comprising:a flow control assembly coupled to the shunt and adapted to regulate blood ...

REPLACEABLE INNER TUBE

In some embodiments a PEG feeding device includes a tube sized to bridge a channel between a stomach and an outer abdominal surface; an internal bolster, and an external bolster. Optionally the bolsters are connected to the tube. The internal bolster may be sized to resist movement out of the stomach through the stoma. The external bolster may be sized to resist movement into the stoma from the outer abdominal surface. The external bolster may include an underside which extends from the tube in a radial direction between the external bolster and the outer abdominal surface. The underside of the outer bolster may contact the outer abdominal surface at a distance from an external opening of the stoma. Optionally the distance between the internal bolster and the external bolster is adjustable. Optionally an angle between one or both of the bolsters and the tube is adjustable. 1supplying an instrument having a guide and a marker including graduations indicating a distance from said guide;inserting the marker into said organism in a vicinity of said location;positioning said guide at said base site; andreading on said marker a graduation nearest said location indicating said distance.. A method of measuring a depth from a base site to a location inside a living organism comprising: This application is a continuation of U.S. patent application Ser. No. 16/065,807 filed on Jun. 24, 2018, which is a National Phase of PCT Patent Application Nos. PCT/IL2015/051252 having International Filing Date of Dec. 23, 2015 and PCT/IL2016/051377 having International Filing Date of Dec. 23, 2016, which claim the benefit of priority under 35 USC § 119(e) of U.S. Provisional Patent Applications Nos. 62/095,986 filed on Dec. 23, 2014 and 62/356,482 filed on Jun. 29, 2016.The contents of the above applications are all incorporated by reference as if fully set forth herein in their entirety.The present invention, in some embodiments thereof, relates to port devices and procedures and, more ...