423 results about "Distal portion" patented technology

Catheter devices for treating occlusions in body lumen are described herein. The catheter devices may include a tubular body having a distal end, an distal portion elastically connected to the distal end of the tubular body, an impactor connected to the distal portion and separated by a space from the distal end of the tubular body, a distal shock wave emitter located adjacent to the space and connected to a power source, and an enclosure at least partially surrounding each of the distal end of the tubular body, the elastic distal portion, the impactor, and the distal shock wave emitter. The impactor may be configured to move in response to shock waves generated from the distal shock wave emitter, such that a length of the space in the proximal-distal direction increases by between 0.05 mm and 0.6 mm.

A catheter includes a catheter body, a pump assembly and a cannula. The pump assembly can be disposed at a distal end of the catheter body and has a distal portion. The cannula can be coupled to the distal end portion of the pump assembly and can include a proximal cannula portion and a distal cannula portion. The distal cannula portion has an approximately helical shape which can allow the cannula to be inserted into a patient's right heart and pump blood therethrough. In certain implementations, the distal tip of the helical shape has a slight bias relative to the main helix to further facilitate delivery of the device. In certain applications this bias is toward the central axis of the helix.

Disclosed herein is a catheter, which in some embodiments includes a distal section configured to enter a skin insertion site. The distal section can include a tapered junction having one or more dilation structures configured to dilate the skin insertion site. The distal section can further include a distal portion extending from a distal end of the tapered junction, the distal portion having a diameter smaller than a proximal portion of the catheter. In combination, the tapered junction, the one or more dilation structures, and the specific actions of the user urging the catheter into the insertion site can result in an improved fit of the catheter in the insertion site.

A medical elongated body or a balloon catheter with high flexibility. The medical elongated body including: a catheter shaft that extends in an axial direction; and a distal member that is fused to a distal side of the catheter shaft, in which a crystallinity of each of a distal portion of the catheter shaft and a proximal portion of the distal member is less than 40%.

A device for treating tissue includes a capsule extending longitudinally from a proximal end to a distal end and including a channel extending therethrough, the capsule releasably coupled to a proximal portion of the device and clip jaws, proximal ends of which are slidably received within the channel of the capsule so that the clip jaws are movable between an open configuration and a closed configuration. Clip jaws are configured so that a distance between the distal ends of the clip jaws in an open configuration is between 15 and 18 millimeters. Clip jaws further include barbs extending from a distal portion thereof.

A system for delivering an anti-migration anchor to an implantable device includes a locator system having a head portion adapted to mate with the neck portion of the device, a locator capsule coupled to the head portion, and a plurality of arms coupled to the head portion and the locator capsule, the arms having a collapsed and an extended configuration. The system includes a catheter having a distal portion coupled to and extending from the head portion. The system includes a handle coupled to a portion of the catheter, the handle having a mechanism to effect relative motion between an inner and an outer member of the catheter to cause the arms to transition from the collapsed to the extended configuration. The system includes a plurality of elongate elements having a distal end coupled to the arm and configured to facilitate the delivery of an anti-migration anchor to the arm.

A retractor may include a proximal portion and a distal portion opposite the proximal portion. The distal portion may include first and second blade retractors each having a blade receptacle defined in a first end of a body. The blade receptacle has an opening that narrows to a seat for receiving a blade head, the seat defining a shape that reduces translation, rotation, and / or angulation of the blade head.

A catheter fixation device (10) includes a body (12), a catheter (16) having a proximal portion (18) and a distal portion that passes through an opening (14) in the body (12), and an anti-pull-out lock mechanism comprising an arcuate channel (24) bounded by a pair of arcuate walls (25, 26) extending from a floor of the body (12). A coiled portion (22) of the catheter (16) is constrained to move between the arcuate walls (25, 26) during movement of the proximal portion (18) and the distal portion remains substantially in place.

A catheter placement system for placing a catheter, the system includes a stylet with an optical fiber extending therethrough, the stylet body extending between a proximal end and a distal tip. A console, equipped with optical logic, delivers broadband incidence light to the optical fiber and receives reflected light signals to determine positional information about the stylet body. The stylet body is configured to be separable at a point between the proximal end and distal tip to allow a catheter to be advanced over a distal portion of the stylet body. The distal portion is configured to be reattached to the proximal portion to reconfirm the position of the stylet body distal tip prior to removal of the stylet from the catheter. The system further includes a severing device that is easy to actuate and ensures a clean, perpendicular cut to facilitate reconnection between the proximal and distal portions.

Disclosed is an intramedullary nail useful in the repair of fibular fractures. The nail has a proximal portion with a threaded outer surface and a threaded distal portion. The distal portion may have a tapered or partially tapered configuration or a staggered configuration. The nail may be used with a placement jig that has holes aligned with transverse holes in the nail to enable placement of securement screws and other devices. An associated kit and method are also disclosed.

A clipping device includes a clip including a capsule and a pair of clip arms movable between an open configuration and a closed configuration. A tension member includes a distal portion and a proximal portion, a pair of protrusions extending from opposing surfaces of the proximal portion to be received within openings extending through proximal ends of the clip arms, the proximal portion including a relief to define a pair of fingers separated from one another at proximal ends thereof. A yoke including a central portion including a recess formed at a distal end thereof, the recess sized and shaped to releasably receive the pair of fingers of the tension member, the pair of fingers configured to flex toward one another when a predetermined force is exerted thereon to release the pair of fingers from the recess and disengage the tension member from the yoke during deployment of the clip.

Some embodiments of a rotational atherectomy device can remove (partially or completely) stenotic lesions in blood vessels by rotating one or more abrasive elements in an orbital path to abrade and breakdown the lesion. In particular implementations, multiple abrasive elements are arranged along a distal portion of a drive shaft with an improved configuration so as to facilitate both efficient navigation into smaller blood vessels below the ankle or in the heart and effective orbital paths for abrading stenotic material in such smaller vessels.

Some embodiments of a rotational atherectomy device can remove (partially or completely) stenotic lesions in blood vessels by rotating one or more abrasive elements in an orbital path to abrade and breakdown the lesion. In particular implementations, multiple abrasive elements are arranged along a distal portion of a drive shaft with an improved configuration so as to facilitate both efficient navigation into smaller blood vessels below the ankle or in the heart and effective orbital paths for abrading stenotic material in such smaller vessels.

A ferrule system includes: a first ferrule comprising a proximal end for engaging a first implement and a threaded portion opposite the proximal end; and a second ferrule comprising a distal portion for engaging a second implement, a proximal portion opposite the distal portion and comprising teeth, a threaded portion intermediate the distal portion and proximal portion and configured to engage the threaded portion of the first ferrule. Teeth are mounted on the first ferrule and are biased to automatically engage the teeth of the proximal portion of the second ferrule as the threaded portion of the first ferrule engages the threaded portion of the second ferrule such that only tightening rotation of the second ferrule relative to the first ferrule is permitted when the teeth mounted on the first ferrule are automatically engaged with the teeth of the proximal portion of the second ferrule.

An implant configured to be implanted into a human body including a stem (102) having an elongated body (114) with a distal portion (110). The stem includes a cavity (116) extending through the distal portion and into the elongated body. The stem also includes an attachment mechanism (128) on the opposing end (112) of the stem from the cavity. The attachment mechanism is configured to receive a second implant component (106).

An intramedullary fibula nail kit includes an intramedullary fibula nail. The intramedullary fibula nail includes a proximal portion configured to be positioned within a medullary canal of a fibula, and a distal portion configured to be positioned within the medullary canal of the fibula. The distal portion defines a non-cylindrical cross-section.

A clipping device includes a clip including a capsule and a pair of clip arms movable between an open configuration and a closed configuration. A tension member includes a distal portion and a proximal portion, a pair of protrusions extending from opposing surfaces of the proximal portion to be received within openings extending through proximal ends of the clip arms, the proximal portion including a relief to define a pair of fingers separated from one another at proximal ends thereof. A yoke including a central portion including a recess formed at a distal end thereof, the recess sized and shaped to releasably receive the pair of fingers of the tension member, the pair of fingers configured to flex toward one another when a predetermined force is exerted thereon to release the pair of fingers from the recess and disengage the tension member from the yoke during deployment of the clip.

Aspects of a multi-modal apparatus are described. For example, the apparatus may comprise a multi-energy sensor mountable in a distal portion of a digit of a terminal unit and a multi-energy haptic generator mountable in a socket of the terminal unit so that the multi-energy haptic generator is maintained against skin of an affected limb when the socket is worn on the affected limb. The multi-energy sensor may be operable with the multi-energy haptic generator to output one or more different types of haptic energy toward the skin responsive to the multi-energy sensor when the distal portion is placed in contact with an object while the socket is worn on the affected limb. Related kits, methods, and systems also are described.

A biopsy instrument (1) comprising a base member (10) which extends from a proximal end (10a) to a distal end (10b) along a central geometrical axis (A), wherein at least a distal end portion (10b′) of the base member (10) is shaped as an elongated hollow tube (10), the distal end (10b) being intended to be at least partly inserted into a tissue (50) from which a biopsy is to be obtained, wherein the hollow tube (10) is provided with a distally facing circular cutting edge (11) defining a mouth (10c) of the distal end (10b) of the hollow tube (10), wherein the hollow tube (10) has, at a distal portion (10b′) of the hollow tube (10), a hollow elongated tubular sample acquiring portion (10b′) having a smooth interior surface (12). The disclosure also relates to a kit of parts and a method of acquiring a biopsy.

A surgical cutting device (10) for cutting and removing cartilage from an affected area is disclosed. The surgical cutting device includes an elongated shaft (12) having a proximal portion (18) and a distal portion (20) connected between a proximal end (14) and a distal end (16). A central longitudinal axis extends through the elongated shaft. The proximal portion has a first diameter and the distal portion has a second diameter, the first diameter being greater than the second diameter. The cutting device further includes a cutting tip (22) at the distal end of the elongated shaft. The cutting tip extends at an angle relative to the central longitudinal axis along a second axis and includes a curved blade (24). The curved blade includes an inner wall (26) that extends to a base (28) of the cutting tip.

A dual mobility prosthetic bearing comprises: an outer femoral head component (9020) having a part-spherical outer bearing surface (9022) and a head recess (9024) comprising a proximal portion (9026) defined by a part-spherical inner bearing surface and a distal portion (9028) defined by a generally tubular inner bearing surface, the proximal portion having a maximum diameter that is greater than a maximum diameter of the distal portion; an inner femoral head component (9030) having a neck recess (9032) for receipt of a femoral neck component (9004), and a part-spherical outer bearing surface (9034) configured to be received within the proximal portion of the head recess; wherein the part-spherical outer bearing surface of the outer femoral head component and the part-spherical outer bearing surface of the inner femoral head component have a coincident centre of rotation; and wherein the inner femoral head component comprises a generally tubular skirt (9036) configured for receipt within the distal portion of the head recess.

A system for transvascular delivery to an aortic arch of a patient includes an embolic protection device, a connector mechanism, and a catheter or sheath for delivering the embolic protection device to a working zone. The embolic protection device includes a support frame having a distal portion and a proximal portion, and a filter member attached to the support frame and configured for preventing embolic materials from passing there through. At least one of the distal portion and the proximal portion includes a spring section configured for providing a radial force between the support frame and a wall of the aortic arch when in an expanded state. The embolic protection device is pivotable axially but not radially relative to the connector mechanism.

A wrist joint (100) for a surgical instrument (160) having a proximal end (164), a distal end (166), an end effector (102) mounted at the distal end and (166) at least one actuation tendon (108a, 108b) for actuating the end effector (102) The wrist joint (100) comprises proximal and distal parts (110, 120) having respective proximal and distal rolling surfaces (112, 122), wherein respective axes (114, 124) extend through the proximal and distal parts (110, 120) centrally with respect to the associated rolling surfaces (112, 122). The distal part (120) is rotatably coupled to the proximal part (110) with the proximal and distal rolling surfaces (112, 122) able to roll against one another. Proximal and distal guiding assemblies (130, 132) are mounted to the proximal and distal parts (110, 120) respectively. Respective guiding surfaces (131, 133) of the proximal and distal guiding assemblies (130, 132) are configured to guide the at least one actuation tendon (108a, 108b) therebetween as the at least one actuation tendon (108a, 108b) extends from the proximal end (164) to the end effector (102), thereby decoupling actuation of the end effector (102) from wrist movement.

A modified kickboard floatation device having a body which includes a distal portion and a proximal portion. The distal portion includes a pair of mirror image handles which are each positioned adjacent to an edge of the body and distal aperture which passes through the body. The proximal portion includes a pair of elongated longitudinal members which each extend from the distal portion in parallel with one another and are intersected by an elongated cross member. In this regard, the cross member extends both between the longitudinal members and outwardly beyond them so as to extend out from both sides of the body.

The invention relates to a transfer assembly (1) intended to be integrated into a device suitable for transferring, into a female mammal, material or substance for reproductive, therapeutic or diagnostic purposes contained in the internal space of a straw, characterized in that the assembly (1) comprises: a protective sheath (5) having open proximal and distal ends (5b) and an internal axial conduit (50) extending between the proximal and distal ends (5b);and a connecting element (4) integral with the sheath (5) and introduced axially into the conduit (50), the connecting element (4) being a hollow body having open proximal (4a) and distal (4b) ends and a longitudinal passage (6) extending between the proximal (4a) and distal (4b) ends, the connecting element (4) comprising a proximal portion (40) intended to cooperate with the straw and a distal portion (41) intended to cooperate with the proximal end of an inner sheath of the device, the proximal portion (40) comprising means for retaining the straw. Figure to be published with the abbreviation: Figure 5.;

A catheter placement system for placing a catheter, the system including a stylet with an optical fiber (135) extending therethrough, a stylet body (290) extending between a proximal end and a distal tip (290). A console (20), equipped with optical logic, delivers broadband incidence light to the optical fiber and receives reflected light signals to determine positional information about the stylet body. The stylet body is configured to be separable at a point between the proximal end and distal tip to allow a catheter to be advanced over a distal portion of the stylet body. The distal portion is configured to be reattached to the proximal portion to reconfirm the position of the stylet body distal tip prior to removal of the stylet from the catheter. The system further includes a severing device that is easy to actuate and ensures a clean, perpendicular cut to facilitate reconnection between the proximal and distal portions.

A cutting tool, wherein the device comprises a first member having a first, distal portion and a second, proximal end portion, wherein a rotating member is mounted substantially at the distal end portion, wherein the rotating member is biased to rotate, and wherein one or more cutting members or blades may be mounted on the rotating member. The cutting tool may be for use in surgery, preferably eye surgery. Methods of use of the cutting tool and kits comprising the cutting tool are also described.

A toothbrush product for cleaning the exposed mesial or distal surface of a tooth or denture, comprising: an elongated member (22) comprising a front end and a rear end, wherein the elongated member comprises a handle (20) and the elongated member extends in a longitudinal direction from the front end to the rear end; a head (50), wherein the head (50) comprises a plurality of tufts of bristles provided at a front surface and / or a rear surface of the head (50); and at least one support member (40) for the head (50) provided at the front end of the elongated member (22), wherein the at least one support member (40) has a shape for supporting the head (50) at a lateral distance from the elongated member (22), wherein the at least one support member (40) comprises a laterally extending proximal portion and a laterally extending distal portion to provide a gap across the lateral distance between the front end of the elongated member (22) and the head (50), at least a portion of the support member (40) extending in the lateral direction away from the front end of the elongated member (22) such that the gap is substantially within a lateral plane.

The invention relates to an intubation bougie (10) comprising a body (11) and a distal portion (12) formed by at least three elastomer segments (121, 122, 123) with increasing flexibility from one end of said distal portion (12), which is integral with the body (11), to a free end of said distal portion (12) intended to enter the upper airways of a patient. These segments are preferably articulated to one another. A sheath (200) surrounding the segments (121, 122, 123) and a ball end (210) advantageously complement said distal portion (12). The invention also relates to a method for producing such an intubation bougie (10).

In examples described herein, a catheter includes an insert configured to mechanically connect a member (e.g., a hub) to an elongated body (e.g., a catheter shaft). In some examples, the insert includes an insert proximal portion and an insert distal portion, and the member defines a member distal lumen and a member proximal cavity. The insert distal portion is configured to be inserted into the elongated body and the member distal lumen is configured to receive a portion of the elongated body. The member proximal cavity is configured to receive the insert proximal portion such that the insert proximal face and the member proximal face are aligned. In some examples, when the insert proximal portion is positioned in the member proximal cavity, the insert proximal portion is configured to anchor the insert within the member proximal cavity to limit proximal and distal movement of the insert relative to the member.