Real-time sampling system

A device and system for allowing real-time viewing of a procedure beyond a distal end of an endoscope. The device 48 includes a sheath 50, having at least two lumen (74,76, figure 3), and a handle 52. The handle has a connector that connects to a proximal end of an endoscope, a shaft portion that rotatably connects to a proximal end of the connector, and a manifold that is slidably received by the shaft portion. The manifold connects to the sheath and allows for insertion of a radial ultrasound probe, through access port 56, and of a medical tool, through angled side port 54, into the sheath. A stopping device 62 in the manifold restricts deployment of the medical device, which may be a sampling (biopsy) needle. The sheath may include a telescoping tube to prevent buckling. The distal end of the sheath may have an exit ramp (78, figure 4) to laterally deflect the needle.

Catheter assembly with offset device for tissue sampling

The assembly includes a catheter 10 defining a lumen, a wall of the catheter having an opening 18 at its distal end, a flexible needle 22 in the lumen and an offset mechanism 24 configured to urge the needle from the opening at an angle to the axis 26 of the lumen. The offset mechanism may comprise a ramp 28 having a sloped surface or a curved stylet 30 coaxially disposed in the needle or both the ramp and the stylet. The stylet may be made of shape memory material which, with the needle, curves beyond the end of the catheter. Also disclosed is a system for sampling a targeted region of tissue comprising the assembly.

Variable pitch flexible needle

A flexible tube 100, preferably a needle, comprises proximal 104 and distal 108 ends, each provided with a strain relief section 106, 110. At least a portion of at least one of the strain relief sections 106, 110 define therein a spiral cut 116 with a continuously variable pitch. In a preferred arrangement an intermediate section 118 is provided between the proximal and distal strain relief sections 106, 110, with a spiral cut 116 extending through each of the three sections. The spiral cut 116 in the proximal strain relief section 106 has a continuously variable pitch, decreasing from a first pitch value PV1 to a second pitch value PV2. The intermediate section 118 has a substantially constant pitch equal to the second pitch value PV2. The distal strain relief section has a continuously variable pitch, increasing from the second pitch value PV2 to a third pitch value PV4 . Tubing, preferably heat-shrink tubing 114, is disposed in an airtight manner over the spiral cut 116.

Systems and methods for controlling stiffness of a needle or catheter

An arrangement for stiffening a flexible tube such as a needle 40 or catheter has a stylet device of variable stiffness. The device includes a stylet 46 with a bulbous distal end (54, figure 4). A proximal length of the stylet extends slidably through a push tube (80, figures 6 and 9). A compression element such as a coil spring 50 extends between the distal end of the push tube and the bulbous distal end of the stylet. When the push tube is moved distally by movement of a handle arrangement it compresses the spring and thereby stiffens the stylet device. The handle arrangement may include a partially threaded cavity which receives a threaded shaft of an adjustment knob. The stylet may be secured to the handle by a pin or set screw. The stylet device may be placed inside a flexible needle system for sampling bronchial tissue.

Real-time sampling device

It is difficult to determine the direction of a lung tumour which is off centre of the airway. The intraluminal tip 120 of bronchoscope has: a sheath 122 with lumens (182, 184, fig 15) lined with a liner 180, the lumens for receiving an ultrasound probe and a medical tool (such as a sampling needle), and a ramp deflector 140 for guiding the medical tool to protrude from the tip at an angle. There is a further sleeve 130, 132 forming an ultrasound probe cavity within the tip. There may be orientation pins 128 made of ultrasonic reflective material which cast a shade (92, fig 9) to indicate the orientation of the probe, such that the orientation of the tumour can be determined, and that sample can be collected from the correct target. The nose 126 may be rounded for atraumatic tissue interaction. The nose has a port 152 for receiving ultrasound gel.

Real-Time Sampling Device

An elongated access device used in a medical system. The elongated access device slidably receives a medical tool and an ultrasound probe. The elongated access device includes a sheath and an intraluminal tip attached to the distal end of the sheath. The intraluminal tip includes ramp and nose donuts being spaced apart from one another and configured to be attached to one or more elongated sleeves. One or more orientation pins are engaged with the respective ramp and nose donuts and may be anchored within the sheath. The medical tool is engaged with a ramp formed in the ramp donut or a ramp received within the ramp donut. The ultrasound probe is configured to engage with the intraluminal tip so as to ensure that the medical tool directionality is oriented toward a target during a procedure. 1. An elongated access device having respective proximal and distal ends and being used in a medical system , the elongated access device having a medical tool and an ultrasound probe disposed therein , the elongated access device comprising: a first lumen configured to receive the ultrasound probe;', 'a second lumen configured to receive the medical tool; and', 'a lumen liner configured to extend beyond a distal face of the sheath; and, 'a sheath comprising at least one coupling device;', a probe lumen; and', 'a ramp lumen;, 'a hub comprising, 'a nose device; and', 'a ramp device configured to be received within the ramp lumen and configured to receive at least a portion of the lumen liner., 'a tip configured to be attached to the sheath, the tip comprising2. The device of claim 1 , wherein the ramp device comprises:a proximal end comprising a lumen;a distal end; anda ramp section located between the proximal end and the distal end, the ramp section comprising exit port and a ramp being in fluid communication with the lumen of the proximal end.3. The device of claim 2 , wherein the hub comprises:a proximal end;a distal end; andan exit port located between the proximal end and ...

Real-Time Sampling Device

An elongated access device used in a medical system. The elongated access device slidably receives a medical tool and an ultrasound probe. The elongated access device includes a sheath and an intraluminal tip attached to the distal end of the sheath. The intraluminal tip includes ramp and nose donuts being spaced apart from one another and configured to be attached to one or more elongated sleeves. One or more orientation pins are engaged with the respective ramp and nose donuts and may be anchored within the sheath. The medical tool is engaged with a ramp formed in the ramp donut or a ramp received within the ramp donut. The ultrasound probe is configured to engage with the intraluminal tip so as to ensure that the medical tool directionality is oriented toward a target during a procedure.

IMPROVED JACKET FLEXIBLE NEEDLE ASSEMBLY

The present teachings relate generally to a medical flexible needle assembly (), comprising a needle portion () disposed at a distal end () of the assembly; a stiff portion () disposed at a proximal end of the assembly; an flexible portion disposed between and interconnecting the needle portion and the stiff portion, including a flex distal portion (), a flex proximal portion (); and a jacketing member () disposed about the assembly () over at least part of the flexible portion (); characterized in that the jacketing member () includes one or more coupled regions () and one or more decoupled region (), wherein in at least one or more of the one or more coupled regions () are located proximally, distally, or both of the flexible portion (). 1. A medical flexible hypotube assembly , comprising:a. a distal portion disposed at a distal end of the assembly;b. a stiff portion disposed at a proximal end of the assembly;c. an flexible portion disposed between and interconnecting the distal portion and the stiff portion, including a flex distal portion and a flex proximal portion; andd. a jacketing member disposed about the assembly over at least part of the flexible portion;wherein the jacketing member includes one or more coupled regions and one or more decoupled region, wherein in at least one or more of the one or more coupled regions are located proximally, distally, or both of at least a portion of the flexible portion.2. The medical flexible hypotube assembly according to :wherein at least one of the one or more coupled regions are disposed entirely outside of the flexible portion.3. The medical flexible hypotube assembly according to :wherein at least one of the one or more coupled regions are disposed within the flexible portion.4. The medical flexible hypotube assembly according to : wherein at least one of the one or more decoupled regions are disposed within the flexible portion.5. The medical flexible hypotube assembly according to :wherein at least one of the ...

Variable pitch flexible needle

Disclosed embodiments include flexible tube assemblies, flexible needle assemblies, systems, methods of fabricating a flexible tube, and methods of fabricating a flexible needle. In an illustrative, non-limiting embodiment, a flexible tube assembly includes: a flexible tube having a proximal end with a proximal strain relief section and a distal end with a distal strain relief section, the proximal strain relief section being located between the proximal end and the distal strain relief section and the distal strain relief section being located between the distal end and the proximal strain relief section, the distal end defining an opening therein, at least a portion of at least one of the proximal strain relief section and the distal strain relief section defining therein a spiral cut with a continuously variable pitch; and tubing disposed in an airtight manner over an exterior surface of the flexible tube at least the portion of the at least one of the proximal strain relief section and the distal strain relief section defining therein the spiral cut with a continuously variable pitch.

Real-Time Sampling System

A device and system for allowing real-time viewing of a procedure beyond a distal end of an endoscope. An exemplary device includes a sheath that has at least two lumens and a handle. The handle includes a connector that connects to a proximal end of an endoscope, a shaft portion that rotatably connects to a proximal end of the connector and a manifold that is slidably received by the shaft portion. The manifold connects to the sheath and allows for insertion of a radial ultrasound probe and a medical tool into the sheath. A stopping device in the manifold avoids accidental needle deployment. 1. A device comprising:a sheath comprising at least two lumens; and a connector configured to connect to a proximal end of an endoscope;', 'a shaft portion configured to be rotatably connected to a proximal end of the connector; and', a distal end configured to connect to the sheath, the distal end comprising at least two lumens, wherein each lumen has a longitudinal axis that aligns with a respective one of the at least two lumens of the connected sheath;', 'a first proximal port having a longitudinal axis configured to match the longitudinal axis of one of at least two lumens of the distal end, wherein the first proximal port is configured to receive a radial ultrasound probe; and', 'a second proximal port configured to receive a medical tool, the second proximal port comprises a longitudinal axis that is at an angular relationship to the longitudinal axis of a second one of the two lumens of the distal end, wherein the second proximal port is configured to allow the medical tool to pass to the second one of the two lumens of the distal end; and', 'a lock mechanism configured to arrest distal motion of a medical tool handle shaft below a predefined threshold value., 'a manifold configured to be slidably received by the shaft portion, the manifold comprising], 'a handle comprising2. The device of claim 1 , wherein the shaft portion includes a longitudinal slot configured to ...

RADIAL ULTRASOUND CAPSULE AND SYSTEM

A reusable rotating ultrasound capsule for mounting to a distal end of a catheter. An exemplary device includes a motor compartment having a proximal face and a distal end. A sensor compartment includes a cap that seals with the motor compartment. A motor located within the motor compartment includes a drive component and a shaft rotatably coupled to the drive component and extending distally from the motor compartment into the sensor compartment. The shaft includes an ultrasound transducer. A plurality of electrical contacts are mounted on the proximal face. At least two of the electrical contacts are electrically coupled to the motor. A rotational electrical coupler includes a rotational component mechanically coupled to the shaft and electrically coupled to the ultrasound transducer and a stationary component mechanically coupled to the motor compartment and electrically coupled to one or more of the plurality of electrical contacts. 1. A device comprising: [ a proximal face; and', 'a distal end,', 'wherein the motor compartment has a longitudinal axis; and, 'a motor compartment comprising, 'a cap configured to seal with the motor compartment in order to form a sensor compartment;, 'a housing comprising a drive component; and', 'a shaft rotatably coupled to the drive component and extending distally from the motor compartment into the sensor compartment, wherein the shaft has a longitudinal axis that is parallel to the longitudinal axis of the motor compartment;, 'a motor located within the motor compartment, the motor comprisesan ultrasound transducer coupled to the shaft;a plurality of electrical contacts mounted on the proximal face, wherein at least two of the electrical contacts are electrically coupled to the motor; and a rotational component mechanically coupled to the shaft and electrically coupled to the ultrasound transducer; and', 'a stationary component mechanically coupled to the motor compartment and electrically coupled to one or more of the ...

TIP ASSEMBLIES FOR REAL-TIME SAMPLING SYSTEM

An apparatus and system for effective real-time visualization of medical device usage. The apparatus includes a handle that receives a medical device and an imaging component, a flexible shaft includes at least two lumen and is attached to the handle and an end cap attached to the flexible shaft. The end cap includes a first lumen, an exit port located at a proximal end of the end cap, a first slot, and a second slot. The first lumen of the end cap receives the imaging component from the flexible shaft. The exit port receives the medical device from the flexible shaft. The slots are located longitudinally on an outer surface of the end cap at a distal section of the end cap. The first lumen of the end cap opens into a trough for better tissue connectivity.

System and methods for controlling stiffness of a needle or catheter

A needle system includes a needle, a needle handle coupled to a proximal end of the needle and a needle stiffening device. The needle stiffening device includes a first handle portion, a second handle portion, a stylet having a distal end component and a shaft component, a fixing component configured to fix a proximal end of the stylet to the first handle portion, a hollow component configured to slidably receive the shaft component of the stylet and a compression device having a proximal end that makes contact with a distal end of the hollow component and a distal end that makes contact with the distal end component of the stylet. A distal end of the second handle portion makes contact with a proximal end of the hollow component within the first handle portion.

ORIENTATION PINS FOR DEVICE USING RADIAL ULTRASOUND

A system for determining orientation of a distal end of a catheter. The system includes a radial ultrasound system configured to generate images based on data received from a radial ultrasound probe. The system also includes a display device to present the generated images, a medical device, and a catheter system. The catheter system includes a flexible shaft having a first lumen configured to receive the radial ultrasound probe and a second lumen configured to receive the medical device, a cap portion having a longitudinal axis, and at least one orientation pin. The cap portion includes a third lumen configured to align with the first lumen, a fourth lumen configured to align with the second lumen, an exit port, and a ramp disposed between the fourth lumen and the exit port. 1. A catheter device comprising: a first lumen, and', 'a second lumen;, 'a flexible shaft comprising a third lumen configured to align with the first lumen,', 'a fourth lumen configured to align with the second lumen,', 'an exit port, and', 'a ramp disposed between the second lumen, of the flexible shaft, and the exit port of the cap portion; and, 'a cap portion having a longitudinal axis, the cap portion comprisingat least one orientation pin positioned adjacent to the third lumen of the cap portion,wherein at least a portion of the third lumen, the exit port, the ramp, and the at least one orientation pin intersect a plane perpendicular to the longitudinal axis.2. The device of claim 1 , wherein the at least one orientation pin comprises two orientation pins.3. The device of claim 2 , wherein the two orientation pins include longitudinal axes that are positioned on the same half of the cap portion as the exit port.4. The device of claim 1 , wherein the first lumen and the third lumen are configured to receive an ultrasound probe.5. The device of claim 4 , wherein the second lumen and the fourth lumen are configured to receive a medical device.6. The device of claim 1 , wherein the cap portion ...

Orientation pins for device using radial ultrasound

A system for determining orientation of a distal end of a catheter. The system includes a flexible shaft having a first lumen, a second lumen, a third lumen, a fourth lumen, a first orientation pin and a second orientation pin. The first orientation pin is received within the third lumen and the second orientation pin is received within the fourth lumen. The flexible shaft includes a cross-sectional dimension and the third lumen and the fourth lumen include longitudinal axes that are located on the same half of the cross-sectional dimension of the catheter. The second lumen includes an exit port for exposing at least a portion of the second lumen of the cap portion and a ramp. A distal end of the flexible shaft is made of material permeable to ultrasound signals and the orientation pins include one or more materials that are non-permeable to ultrasound signals.

Variable Pitch Flexible Needle

Disclosed embodiments include flexible tube assemblies, flexible needle assemblies, systems, methods of fabricating a flexible tube, and methods of fabricating a flexible needle. In an illustrative, non-limiting embodiment, a flexible tube assembly includes: a flexible tube having a proximal end with a proximal strain relief section and a distal end with a distal strain relief section, the proximal strain relief section being located between the proximal end and the distal strain relief section and the distal strain relief section being located between the distal end and the proximal strain relief section, the distal end defining an opening therein, at least a portion of at least one of the proximal strain relief section and the distal strain relief section defining therein a spiral cut with a continuously variable pitch; and tubing disposed in an airtight manner over an exterior surface of the flexible tube at least the portion of the at least one of the proximal strain relief section and the distal strain relief section defining therein the spiral cut with a continuously variable pitch.

Catheter Assembly With Offset Device For Tissue Sampling

Disclosed embodiments include catheter assemblies, systems for sampling a targeted region of tissue, and methods of sampling a targeted region of tissue. In an illustrative, non-limiting embodiment, a catheter assembly includes: a catheter defining a lumen therein, a wall of the catheter defining an opening therein at a distal end of the catheter; a flexible needle disposable in the lumen; and an offset mechanism configured to urge the needle to extend from the opening at the distal end of the catheter at an angle that diverges from an axis of the lumen. 1. A catheter assembly comprising:a catheter defining a lumen therein, a wall of the catheter defining an opening therein at a distal end of the catheter;a flexible needle disposable in the lumen; andan offset mechanism configured to urge the needle to extend from the opening at the distal end of the catheter at an angle that diverges from an axis of the lumen.2. The catheter assembly of claim 1 , wherein the offset mechanism includes a ramp defined in the catheter at the distal end of the catheter claim 1 , the ramp having a sloped surface that is divergent with the axis of the lumen.3. The catheter assembly of claim 2 , wherein the ramp defines an offset from the axis of the lumen in a range of around 5 degrees to around 25 degrees.4. The catheter assembly of claim 1 , wherein the offset mechanism includes a curved stylet coaxially disposed within the needle claim 1 , the curved stylet being configured to extend within the needle from the opening at the distal end of the catheter at an angle that diverges from the axis of the lumen claim 1 , the curved stylet further being configured to conform to a shape of the catheter while disposed within the lumen.5. The catheter assembly of claim 4 , wherein an amount of curvature of the stylet is proportional to a length the stylet extends past the distal end of the catheter.6. The catheter assembly of claim 4 , wherein the stylet is further configured to be withdrawn from ...

COMPLIANT, ATRAUMATIC SHEATH TIPS

Disclosed embodiments include apparatuses, systems, and methods for providing an atraumatic sheath tip. Various disclosed embodiments seek to help reduce or avoid unnecessary tissue damage upon a sheath being extended to convey an elongated instrument for sampling or treatment. In an illustrative embodiment, an apparatus includes a deformable sheath tip configured to be positioned at a distal end of a sheath. The sheath defines therein a lumen configured to convey an elongated instrument. The sheath tip has a base end disposable at the distal end of the sheath and a contact end. The sheath tip has a first column strength along an axis of the sheath tip that is less than a second column strength of the sheath and a first degree of deformability that is greater than a second degree of deformability of the sheath. 1. An apparatus comprising:a deformable sheath tip configured to be positioned at a distal end of a sheath that defines therein a lumen configured to convey an elongated instrument, the sheath tip having a base end disposable at the distal end of the sheath and a contact end, the sheath tip having a first column strength along an axis of the sheath tip that is less than a second column strength of the sheath, the sheath tip having a first degree of deformability that is greater than a second degree of deformability of the sheath.2. The apparatus of claim 1 , wherein the sheath tip is an integral section of the sheath claim 1 , the sheath tip being disposed at the distal end of the sheath.3. The apparatus of claim 1 , wherein the sheath tip is a separate structure configured to be attached to the distal end of the sheath.4. The apparatus of claim 3 , wherein the sheath tip is configured to be physically coupled to the distal end of the sheath at a sheath insert that is configured to be received within the lumen of the sheath.5. The apparatus of claim 1 , wherein the sheath tip has at least one characteristic chosen from a first thickness that is less than a ...

DUAL LUMEN CATHETER

A catheter and catheter system includes a first lumen and a second lumen adjacent to the first lumen. The catheter occupies an arc around the first lumen, wherein the arc is greater than 180° and less than 360°, thus creating a lengthwise opening to the first lumen. The catheter material surrounds the second lumen in a cross-sectional dimension. Prior to a procedure, a sampling device is introduced into the second lumen prior and the probe is snapped into the first lumen prior to insertion into an endoscope. 1. A catheter comprising:a first lumen; anda second lumen adjacent to the first lumen;wherein material of the catheter occupies an arc around the first lumen, wherein the arc is greater than 180° and less than 360°, thus creating a lengthwise opening to the first lumen.2. The catheter of claim 1 , wherein the catheter material surrounds the second lumen in a cross-sectional dimension.3. The catheter of claim 1 , wherein the second lumen has s smaller inner diameter than the first lumen.4. The catheter of claim 1 , wherein the catheter is configured to be slidably received within a working channel of an endoscope.5. The catheter of claim 4 , wherein the second lumen is configured to slidably receive a medical device.6. The catheter of claim 4 , wherein the first lumen is configured to receive an imaging device.7. The catheter of claim 6 , wherein the imaging device comprises probe.8. The catheter of claim 7 , wherein the probe comprises a radial ultrasound probe.9. The catheter of claim 6 , wherein the lengthwise opening of the first lumen is defined by a first flexible edge and a second flexible edge claim 6 ,wherein a first chord measurement between the first and second edges has a first value when the imaging device is not occupying the first lumen,wherein a second chord measurement between the first and second edges has a second value when the imaging device is occupying the first lumen,wherein the first chord measurement is less than the second chord ...

MEDICANT DELIVERY DEVICE

An example medical instrument for creating tracks within target tissue. Medicants could be injected into these tracks for diffusion into the surrounding tissue. An exemplary medical device includes a first tissue penetrating device, a second tissue penetrating device and a handle. The handle includes a first component connected to the first tissue penetrating device and a second component connected to the second tissue penetrating device. When the second component is at a first position relative to the first component, the second tissue penetrating device is in a non-track creation configuration. When the second component is at a second position relative to the first component, the second tissue penetrating device is in a track creation configuration. The second tissue penetrating device is slidably received within the first tissue penetrating device. 1. A medical device comprising:a first tissue penetrating device;a second tissue penetrating device configured to extend from the first penetrating device, in an extended state the second tissue penetrating device forms a coil, in a retracted state the second tissue penetrating device conforms to the first tissue penetrating device; and a first component connected to the first tissue penetrating device;', 'a second component connected to the second tissue penetrating device; and', 'a fluid delivery component configured to allow fluid to pass into the first tissue penetrating device,', 'wherein when the second component is at a first position relative to the first component, the second tissue penetrating device is in an undeployed configuration,', 'wherein when the second component is at a second position relative to the first component, the second tissue penetrating device is in a deployed configuration., 'a handle comprising2. The medical device of claim 1 , wherein the first and second tissue penetrating devices are configured to repeatedly allow the second tissue penetrating device to extend from and retract into ...

Real-time sampling system

Dispositif et système pour permettre la visualisation en temps réel d’une procédure au-delà d’une extrémité distale d’un endoscope. Un exemple de dispositif inclut une gaine qui a au moins deux lumières et une poignée. La poignée inclut un connecteur qui est connecté à une extrémité proximale d’un endoscope, une partie d’arbre qui est connectée de manière rotative à une extrémité proximale du connecteur et un collecteur qui est reçu de manière coulissante par la partie d’arbre. Le collecteur est connecté à la gaine et permet l’insertion d’une sonde radiale à ultrasons et d’un outil médical dans la gaine. Un dispositif de butée dans le collecteur évite le déploiement accidentel de l’aiguille. Figure de l’abrégé : Figure 1 A device and system to enable real-time visualization of a procedure beyond a distal end of an endoscope. An exemplary device includes a sheath that has at least two lumens and a handle. The handle includes a connector which is connected to a proximal end of an endoscope, a shaft portion which is rotatably connected to a proximal end of the connector, and a manifold which is slidably received by the shaft portion. The manifold is connected to the sheath and allows the insertion of a radial ultrasound probe and a medical tool into the sheath. A stop device in the manifold prevents accidental deployment of the needle. Abstract figure: Figure 1

Compliant, atraumatic sheath tips

An apparatus comprising a deformable sheath tip 205 configured to be positioned at a distal end 105 of a sheath 103. The sheath defines therein a lumen configured to convey an elongated instrument. The sheath tip having a base end disposable at the distal end of the sheath and a contact end. The sheath tip has a first column strength along an axis 303 of the sheath tip that is less than a second column strength of the sheath and a first degree of deformability that is greater than a second degree of definability of the sheath. The sheath tip may comprise at least one crumple zone, a plurality of longitudinal cuts or a plurality of voids. A system comprising a sheath, an elongated medical instrument, an insertion control system and the above deformable sheath tip is also provided.

Catheter assembly with offset device for tissue sampling

【課題】組織サンプリング用のカテーテルを提供する。【解決手段】開示される実施形態は、カテーテルアセンブリ、組織の標的領域をサンプリングするためのシステム、及び組織の標的領域をサンプリングする方法を含む。例示的な非限定的実施形態では、カテーテルアセンブリは、その中にルーメンを画定するカテーテル、カテーテルの遠位端部においてその中に開口部を画定するカテーテルの壁、ルーメンにおいて使い捨てとなる可撓性ニードル、及びルーメンの軸から逸れる角度でカテーテルの遠位端部における開口部からニードルを延伸させるよう構成されているオフセット機構を含む。【選択図】図１Ａ

Real-time sampling system

Disclosed embodiments include apparatuses, systems, and methods for securing a control device of an elongated instrument to an insertion device. In an illustrative embodiment, an apparatus includes a coupling that is configured to join the control device with a port of an insertion device used to convey the elongated instrument to a target location. A bushing extends from the coupling and is configured to be inserted within an opening in the port of the insertion device. The elongated instrument is movably extendable through the bushing. A first sealing member is disposed on an outer surface of the bushing to seal the outer surface of the bushing against an inner surface of the opening in the port. A second sealing member is disposed on an outer surface of the elongated instrument to movably seal an outer surface of the elongated instrument.

REAL-TIME SAMPLING SYSTEM

Eine Vorrichtung und ein System zum Ermöglichen von Echtzeit-Betrachtung eines Eingriffs über ein distales Ende eines Endoskops hinaus. Eine beispielhafte Vorrichtung schließt eine Hülle ein, die mindestens zwei Lumen und einen Griff aufweist. Der Griff schließt einen Verbinder, der mit einem proximalen Ende eines Endoskops verbunden ist, einen Schaftabschnitt, der drehbar mit dem proximalen Ende des Verbinders verbunden ist, und einen Verteiler, der gleitfähig von dem Schaftabschnitt aufgenommen ist, ein. Der Verteiler ist mit der Hülle verbunden und ermöglicht Einsetzung einer radialen Ultraschallsonde und eines medizinischen Werkzeugs in die Hülle. Eine Anschlagsvorrichtung in dem Verteiler vermeidet ein versehentliches Nadelausfahren. An apparatus and system for enabling real-time viewing of a procedure beyond a distal end of an endoscope. An exemplary device includes a sheath that has at least two lumens and a handle. The handle includes a connector connected to a proximal end of an endoscope, a shaft portion rotatably connected to the proximal end of the connector, and a manifold slidably received by the shaft portion. The manifold is connected to the sheath and allows a radial ultrasonic probe and medical tool to be inserted into the sheath. A stop device in the manifold prevents accidental needle deployment.

Real-time sampling system

Disclosed embodiments include apparatuses, systems, and methods for securing a control device of an elongated instrument to an insertion device. In an illustrative embodiment, an apparatus includes a coupling that is configured to join the control device with a port of an insertion device used to convey the elongated instrument to a target location. A bushing extends from the coupling and is configured to be inserted within an opening in the port of the insertion device. The elongated instrument is movably extendable through the bushing. A first sealing member is disposed on an outer surface of the bushing to seal the outer surface of the bushing against an inner surface of the opening in the port. A second sealing member is disposed on an outer surface of the elongated instrument to movably seal an outer surface of the elongated instrument.

組織サンプリングのためのオフセットデバイスを備えるカテーテルアセンブリ

【課題】組織サンプリング用のカテーテルを提供する。【解決手段】開示される実施形態は、カテーテルアセンブリ、組織の標的領域をサンプリングするためのシステム、及び組織の標的領域をサンプリングする方法を含む。例示的な非限定的実施形態では、カテーテルアセンブリは、その中にルーメンを画定するカテーテル、カテーテルの遠位端部においてその中に開口部を画定するカテーテルの壁、ルーメンにおいて使い捨てとなる可撓性ニードル、及びルーメンの軸から逸れる角度でカテーテルの遠位端部における開口部からニードルを延伸させるよう構成されているオフセット機構を含む。【選択図】図１Ａ

Compliant, atraumatic sheath tips

Disclosed embodiments include apparatuses, systems, and methods for providing an atraumatic sheath tip. Various disclosed embodiments seek to help reduce or avoid unnecessary tissue damage upon a sheath being extended to convey an elongated instrument for sampling or treatment. In an illustrative embodiment, an apparatus includes a deformable sheath tip configured to be positioned at a distal end of a sheath. The sheath defines therein a lumen configured to convey an elongated instrument. The sheath tip has a base end disposable at the distal end of the sheath and a contact end. The sheath tip has a first column strength along an axis of the sheath tip that is less than a second column strength of the sheath and a first degree of deformability that is greater than a second degree of deformability of the sheath.

Radial ultrasound capsule and system

A reusable rotating ultrasound capsule for mounting to a distal end of a catheter. An exemplary device includes a motor compartment having a proximal face and a distal end. A sensor compartment includes a cap that seals with the motor compartment. A motor located within the motor compartment includes a drive component and a shaft rotatably coupled to the drive component and extending distally from the motor compartment into the sensor compartment. The shaft includes an ultrasound transducer. A plurality of electrical contacts are mounted on the proximal face. At least two of the electrical contacts are electrically coupled to the motor. A rotational electrical coupler includes a rotational component mechanically coupled to the shaft and electrically coupled to the ultrasound transducer and a stationary component mechanically coupled to the motor compartment and electrically coupled to one or more of the plurality of electrical contacts.

Dual lumen catheter

A catheter and catheter system includes a first lumen and a second lumen adjacent to the first lumen. The catheter occupies an arc around the first lumen, wherein the arc is greater than 180° and less than 360°, thus creating a lengthwise opening to the first lumen. The catheter material surrounds the second lumen in a cross-sectional dimension. Prior to a procedure, a sampling device is introduced into the second lumen prior and the probe is snapped into the first lumen prior to insertion into an endoscope.

Tip assemblies for real-time sampling system

An apparatus and system for effective real-time visualization of medical device usage. The apparatus includes a handle that receives a medical device and an imaging component, a flexible shaft includes at least two lumen and is attached to the handle and an end cap attached to the flexible shaft. The end cap includes a first lumen, an exit port located at a proximal end of the end cap, a first slot, and a second slot. The first lumen of the end cap receives the imaging component from the flexible shaft. The exit port receives the medical device from the flexible shaft. The slots are located longitudinally on an outer surface of the end cap at a distal section of the end cap. The first lumen of the end cap opens into a trough for better tissue connectivity.

Orientation pins for device using radial ultrasound

A system for determining orientation of a distal end of a catheter. The system includes a radial ultrasound system configured to generate images based on data received from a radial ultrasound probe. The system also includes a display device to present the generated images, a medical device, and a catheter system. The catheter system includes a flexible shaft having a first lumen configured to receive the radial ultrasound probe and a second lumen configured to receive the medical device, a cap portion having a longitudinal axis, and at least one orientation pin. The cap portion includes a third lumen configured to align with the first lumen, a fourth lumen configured to align with the second lumen, an exit port, and a ramp disposed between the fourth lumen and the exit port.

Real-time sampling device

An elongated access device 20 used in a medical system. The elongated access device 20 slidably receives a medical tool 30 and an ultrasound probe 22. The elongated access device includes a sheath and an intraluminal tip attached to the distal end of the sheath. One or more orientation pins 26 are engaged with the respective ramp donuts 34 and nose donuts 36 and may be anchored within the sheath. The sampling needle is engaged with a ramp formed in the ramp donut 34 and is directed out an exit port on a sidewall of the hub. The ultrasound probe is configured to engage with the intraluminal tip 21 to ensure that the medical tool directionality is oriented toward a target during a procedure.

実時間サンプリング装置

【課題】医療システムで使用される細長いアクセス装置を提供する。【解決手段】細長いアクセス装置は、医療用具及び超音波プローブを慴動可能に受容する。細長いアクセス装置は、シースと、シースの遠位端部に取り付けられた管腔内先端部と、を含む。管腔内先端部は、互いに離間され、１つ以上の細長いスリーブに取り付けられるように構成されている傾斜ドーナツ部及び先端ドーナツ部を含む。１つ以上の配向ピンは、それぞれの傾斜ドーナツ部及び先端ドーナツ部と係合され、シース内に固定されてもよい。医療用具は、傾斜ドーナツ部内に形成された傾斜面、又は傾斜ドーナツ部内に受容された傾斜面と係合される。超音波プローブは、医療用具の方向性が処置中に標的に向けられることを確実にするように、管腔内先端と係合するように構成されている。【選択図】図２

針又はカテーテルの剛性を制御するためのシステム及び方法

【課題】本願発明の目的は、針又はカテーテル等の可撓管の剛性を変化させるためのシステムを提供することである。【解決手段】針システムは、針と、針の近位端部に結合された針ハンドルと、針補剛デバイスとを含む。針補剛デバイスは、第１のハンドル部分と、第２のハンドル部分と、遠位端部構成要素及びシャフト構成要素を有するスタイレットと、スタイレットの近位端部を第１のハンドル部分に固定するように構成された固定構成要素と、スタイレットのシャフト構成要素を摺動可能に受容するように構成された中空構成要素と、中空構成要素の遠位端部と接触する近位端部及びスタイレットの遠位端部構成要素と接触する遠位端部を有する圧縮デバイスとを含む。第２のハンドル部分の遠位端部は、第１のハンドル部分内の中空構成要素の近位端部と接触する。【選択図】図１−１

System und verfahren zur steuerung der steifigkeit einer nadel oder eines katheters

Ein Nadelsystem schließt eine Nadel, einen Nadelgriff, der mit einem proximalen Ende der Nadel gekoppelt ist, und eine Nadelversteifungsvorrichtung ein. Die Nadelversteifungsvorrichtung umfasst einen ersten Griffabschnitt, einen zweiten Griffabschnitt, einen Mandrin, der eine distale Endkomponente und eine Schaftkomponente aufweist, eine Fixierungskomponente, die zum Fixieren eines proximalen Endes des Mandrins am ersten Griffabschnitt konfiguriert ist, eine Hohlkomponente, die zum gleitfähigen Aufnehmen der Schaftkomponente des Mandrins konfiguriert ist, und eine Kompressionsvorrichtung mit einem proximalen Ende, das Kontakt mit einem distalen Ende der Hohlkomponente herstellt, und einem distalen Ende, das Kontakt mit der distalen Endkomponente des Mandrins herstellt. Ein distales Ende des zweiten Griffabschnitts stellt Kontakt mit einem proximalen Ende der Hohlkomponente innerhalb des ersten Griffabschnitts her.

Radial ultrasound capsule and system

A reusable rotating ultrasound capsule for mounting to a distal end of a catheter. An exemplary device includes a motor compartment having a proximal face and a distal end. A sensor compartment includes a cap that seals with the motor compartment. A motor located within the motor compartment includes a drive component and a shaft rotatably coupled to the drive component and extending distally from the motor compartment into the sensor compartment. The shaft includes an ultrasound transducer. A plurality of electrical contacts are mounted on the proximal face. At least two of the electrical contacts are electrically coupled to the motor. A rotational electrical coupler includes a rotational component mechanically coupled to the shaft and electrically coupled to the ultrasound transducer and a stationary component mechanically coupled to the motor compartment and electrically coupled to one or more of the plurality of electrical contacts.

Real-time sampling device

ラジアル式超音波を使用するデバイスのための配向ピン

【課題】気管支鏡などの医療スコープと共に使用するための改善されたガイドシースを提供する。【解決手段】カテーテルの遠位端の配向を測定するためのシステム。システムは、第１のルーメンと、第２のルーメンと、第３のルーメンと、第４のルーメンと、第１の配向ピンと、第２の配向ピンと、を有する、可撓性シャフトを備える。第１の配向ピンは、第３のルーメン内で受容され、第２の配向ピンは、第４のルーメン内で受容される。可撓性シャフトは、断面寸法を含み、第３のルーメン及び第４のルーメンは、カテーテルの断面寸法の同じ半分に位置する長手方向軸線を含む。第２のルーメンは、キャップ部分の第２のルーメンの少なくとも一部を露出するための出口ポートと、傾斜部と、を含む。可撓性シャフトの遠位端は、超音波信号に対して透過性である材料で作製され、配向ピンは、超音波信号に対して不透性である１種以上の材料を含む。【選択図】なし

ラジアル式超音波を使用するデバイスのための配向ピン

【課題】気管支鏡などの医療スコープと共に使用するための改善されたガイドシースを提供する。【解決手段】カテーテルの遠位端の配向を測定するためのシステム。システムは、第１のルーメンと、第２のルーメンと、第３のルーメンと、第４のルーメンと、第１の配向ピンと、第２の配向ピンと、を有する、可撓性シャフトを備える。第１の配向ピンは、第３のルーメン内で受容され、第２の配向ピンは、第４のルーメン内で受容される。可撓性シャフトは、断面寸法を含み、第３のルーメン及び第４のルーメンは、カテーテルの断面寸法の同じ半分に位置する長手方向軸線を含む。第２のルーメンは、キャップ部分の第２のルーメンの少なくとも一部を露出するための出口ポートと、傾斜部と、を含む。可撓性シャフトの遠位端は、超音波信号に対して透過性である材料で作製され、配向ピンは、超音波信号に対して不透性である１種以上の材料を含む。【選択図】図１

Orientation pins for device using radial ultrasound

A system for determining orientation of a distal end of a catheter. The system includes a radial ultrasound system configured to generate images based on data received from a radial ultrasound probe. The system also includes a display device to present the generated images, a medical device, and a catheter system. The catheter system includes a flexible shaft having a first lumen configured to receive the radial ultrasound probe and a second lumen configured to receive the medical device, a cap portion having a longitudinal axis, and at least one orientation pin. The cap portion includes a third lumen configured to align with the first lumen, a fourth lumen configured to align with the second lumen, an exit port, and a ramp disposed between the fourth lumen and the exit port.

Real-Time Sampling System

Medicant delivery device

An example medical instrument for creating tracks within target tissue. Medicants could be injected into these tracks for diffusion into the surrounding tissue. An exemplary medical device includes a first tissue penetrating device, a second tissue penetrating device and a handle. The handle includes a first component connected to the first tissue penetrating device and a second component connected to the second tissue penetrating device. When the second component is at a first position relative to the first component, the second tissue penetrating device is in a non-track creation configuration. When the second component is at a second position relative to the first component, the second tissue penetrating device is in a track creation configuration. The second tissue penetrating device is slidably received within the first tissue penetrating device.

Real-Time Sampling System

A device and system for allowing real-time viewing of a procedure beyond a distal end of an endoscope. The device 48 includes a sheath 50, having at least two lumen (74,76, figure 3), and a handle 52. The handle has a connector that connects to a proximal end of an endoscope, a shaft portion that rotatably connects to a proximal end of the connector, and a manifold that is slidably received by the shaft portion. The manifold connects to the sheath and allows for insertion of a radial ultrasound probe, through access port 56, and of a medical tool such as a needle, through angled side port 54, into the sheath. A stopping device 62 in the manifold restricts deployment of the medical device, which may be a sampling (biopsy) needle. The sheath may include a telescoping tube to prevent buckling. The distal end of the sheath may have an exit ramp (78, figure 4) to laterally deflect the needle.

Real-time sampling system

Disclosed embodiments include apparatuses, systems, and methods for securing a control device of an elongated instrument to an insertion device. In an illustrative embodiment, an apparatus includes a coupling that is configured to join the control device with a port of an insertion device used to convey the elongated instrument to a target location. A bushing extends from the coupling and is configured to be inserted within an opening in the port of the insertion device. The elongated instrument is movably extendable through the bushing. A first sealing member is disposed on an outer surface of the bushing to seal the outer surface of the bushing against an inner surface of the opening in the port. A second sealing member is disposed on an outer surface of the elongated instrument to movably seal an outer surface of the elongated instrument.

Real Time Sampling Device

Needle with contiguous interrupted and uninterrupted helical-cut sections

Disclosed embodiments include apparatuses, systems, and methods for sampling a targeted region of tissue in a body using a flexible needle including a plurality of interrupted cuts and an uninterrupted cut extending continuously from the uninterrupted cuts to reduce localized strain on the flexible needle. In an illustrative embodiment, an apparatus includes a flexible needle, where the flexible needle includes: a proximal end; a distal end including a needle tip; and a shaft extending between the proximal end and the distal end and including a flexible portion, where the flexible portion includes; an interrupted cut section including a plurality of interrupted cuts in the shaft following a first helical pattern; and an uninterrupted cut section including an uninterrupted cut in the shaft following a second helical pattern where the uninterrupted cut extends continuously from an end of a first terminal cut at a first end of the interrupted cut section.

Improved jacket flexible needle assembly

The present teachings relate generally to a medical flexible needle assembly (10), comprising a needle portion (20) disposed at a distal end (12) of the assembly; a stiff portion (30) disposed at a proximal end 14 of the assembly; an flexible portion (40) disposed between and interconnecting the needle portion and the stiff portion, including a flex distal portion (42), a flex proximal portion (44); and a jacketing member (50) disposed about the assembly (10) over at least part of the flexible portion (40); characterized in that the jacketing member (50) includes one or more coupled regions (60) and one or more decoupled region (70), wherein in at least one or more of the one or more coupled regions (60) are located proximally, distally, or both of the flexible portion (40).

断続的螺旋状切込セクションと不断的螺旋状切込セクションとが隣接するニードル

【課題】螺旋状の切込部が断続的セクションと不断的セクションとを隣接して備えるニードルを提供すること。【解決手段】開示される実施形態は、フレキシブルニードルを用いて体内の組織の目標部位のサンプル採取を行うための装置、システム及び方法を含み、フレキシブルニードルの局所歪を減らすために、フレキシブルニードルが、複数の断続的切込部及び不断的切込部から連続して延びる１つの不断的切込部を有する。一の例証的な実施形態では、装置はフレキシブルニードルを備え、そのフレキシブルニードルは、近位端と、ニードルチップを含む遠位端と、近位端と遠位端との間に延びるシャフトであって、柔軟部分を含むシャフトと、を備え、柔軟部分が、第１の螺旋状パターンを辿るシャフトの複数の断続的切込部を有する断続的切込セクションと、第２の螺旋状パターンを辿るシャフトの不断的切込部を有する不断的切込セクションと、を含み、不断的切込部が、断続的切込セクションの第１の端部で第１の終端切込部の端部から連続して延びる。【選択図】図１

Tip assemblies for real-time sampling system