Abstract: A tubular instrument includes a tubular assembly having first and second handling tubes extending from a proximal operating area to a distal functional area, a radially self-expanding wire structure, and a holding device. The first and second handling tubes are rotatable relative to each other. A control interface is provided at the proximal operating area for the relative rotational motion actuation of the first and second handling tubes. The holding device includes a first connecting unit and a second connecting unit. The first connecting unit includes a first filament connecting unit having a first connecting filament fixed to a first structural connection interface of the wire structure and to a tube connection interface of the first handling tube and extends therebetween with a radial directional component, and which winds onto or unwinds from the first handling tube upon rotation of the first and second handling tubes.

Abstract: An endoscopic instrument provides a flexible three-arm snare structure that is adapted to retrieve stones from a human body.

Abstract: A medical net-and-loop type retrieval instrument has a distal loop and a retrieval net held on the loop by way of a net holding portion that is firmly held in the interior of the cross section of the loop. The medical net-and-loop type retrieval instrument is suitable for use in medical endoscopy.

Abstract: A J-tip protective cap for a J-tip of a medical guide wire includes a proximal sleeve section, a distal hollow disk-shaped J-tip receiving section, which extends distally and laterally on one side in a distal end region of the sleeve section with a disk longitudinal axis perpendicular to a longitudinal axis of the sleeve section and forms a J-tip receiving space in the interior, and a J-tip passage slot which leads proximally into the J-tip receiving space and which is composed of an axial slot section in the sleeve section and a circumferential slot section in the J-tip receiving section. The J-tip receiving space has a tapered region, in which it tapers in a radially outward direction in its lateral width, and opposite inner sides of the J-tip receiving section form J-tip contact surfaces in the tapered region of the J-tip receiving space.

Abstract: A guide wire configured for use in medical magnetic resonance applications includes a multi-lumen wire composed of an electrically nonconductive plastic material. The wire extends continuously from a proximal end region to a distal end region of the guide wire and has at least two separate, axially extending hollow channels, and/or at least two coaxial wires arranged coaxially one inside another and extending continuously from a proximal end region to a distal end region of the guide wire. An axially alternating sequence of rod-shaped, elastic stiffening pieces composed of an electrically conductive, nonmagnetic material having higher bending stiffness than the plastic material of the multi-lumen wire, and electrically nonconductive spacer pieces, is arranged in at least one of the hollow channels.

Abstract: A hand-operated functional hose instrument has a hose-like functional part and a wire-like functional part which extends in the hose-like functional part. An operating unit, which is designed for releasable coupling to an operator control handle body, is arranged at a proximal end section of the functional parts and includes two operating parts, which are axially relatively movable and have a hose fixing arrangement or a wire fixing arrangement. The first operating part is axially fixed to the operator control handle body, and the second operating part has a finger-operated operator control slide element.

Abstract: A member of a rigid flexible elastic material, the member including a body portion and an aperture portion with the member adapted for delivery through an axial longitudinal channel of a percutaneous delivery subsystem, the aperture portion including an expanded mode having a lateral dimension greater than an inner diameter of the channel when the aperture portion extends outside the channel and a collapsed mode wherein the lateral dimension is not greater than the inner diameter of the channel when the aperture portion is within the channel, the channel including a first axial opening and a second axial opening with the aperture portion transitioning from the expanded mode to the collapsed mode when inserted into the openings and the aperture transitioning from the collapsed mode to the expanded mode when exiting from the openings.

Abstract: A snare instrument has a snare structure which is formed in one piece from a tube section, by the latter being slit and bent open, and which has a proximal base portion and, extending axially forward from the latter, a distal snaring portion, and which is movable between a snaring position, in which it is moved forward out of an enclosure with the snaring portion folded open, and a securing position, in which it is moved back at least partially into the enclosure with the snaring portion folded in and providing a securing action. The snaring portion, in the folded-open state, has a cup shape with a distal snare opening. For this purpose, a distal end area of the tube section is provided with open axial slits of suitable length introduced from the direction of the distal end of the tube section, and, lying between these, with associated closed axial slits which terminate at a distance in front of the distal end of the tube section and are of greater length than the open axial slits.

Abstract: A medical net-and-loop type retrieval instrument has a distal loop and a retrieval net held on the loop by way of a net holding portion that is firmly held in the interior of the cross section of the loop. The medical net-and-loop type retrieval instrument is suitable for use in medical endoscopy.

Abstract: An endoscopic instrument provides a flexible three-arm snare structure that is adapted to retrieve stones from a human body.

Abstract: Disclosed is a snare instrument with a shaft area, a snare structure in a snaring area distally adjoining the shaft area, and a plurality of noose wires. The snare structure can be pulled closed, from an opened position with distally open snare, and has a plurality of flexible bending tubes which extend distally forwards and radially outwards in a radiating shape to form the snare, and of which the distal ends can be moved radially inwards towards each other so as to pull the snare structure closed. Each noose wire extends with a first base portion from the shaft area loosely through one of the bending tubes as far as the distal end thereof, from there with a noose arch to the distal end of the same or another bending tube, and from there with a second base portion loosely through the latter back to the shaft area. At least one of the noose wire base portions extends through each bending tube.

Abstract: A hand-operated functional hose instrument has a hose-like functional part and a wire-like functional part which extends in the hose-like functional part. An operating unit, which is designed for releasable coupling to an operator control handle body, is arranged at a proximal end section of the functional parts and includes two operating parts, which are axially relatively movable and have a hose fixing arrangement or a wire fixing arrangement. The first operating part is axially fixed to the operator control handle body, and the second operating part has a finger-operated operator control slide element.

Abstract: A member of a rigid flexible elastic material, the member including a body portion and an aperture portion with the member adapted for delivery through an axial longitudinal channel of a percutaneous delivery subsystem, the aperture portion including an expanded mode having a lateral dimension greater than an inner diameter of the channel when the aperture portion extends outside the channel and a collapsed mode wherein the lateral dimension is not greater than the inner diameter of the channel when the aperture portion is within the channel, the channel including a first axial opening and a second axial opening with the aperture portion transitioning from the expanded mode to the collapsed mode when inserted into the openings and the aperture transitioning from the collapsed mode to the expanded mode when exiting from the openings.

Abstract: A medical catching-wire instrument has a catching-wire basket designed to be axially movable relative to an instrument tube between an unfolded state, in which the basket is moved distally forward out of the instrument tube, and a folded state, in which the basket is moved proximally rearward into the instrument tube. A control tube can be received in the instrument tube and is axially movable relative to the latter. The control tube is coupled in a distal end area to a proximal end area of the basket. The catching-wire basket has a distal enclosing portion which is more close-meshed than a proximally adjoining portion, and/or the basket has a proximal expanding portion which is more close-meshed than a distally adjoining portion, and/or the basket is constructed from wire segments which are substantially rectangular in cross section and which, when the basket is unfolded, extend at least in a basket subregion with a non-tangential broad side of the wire.

Abstract: A member of a rigid flexible elastic material, the member including a body portion and an aperture portion with the member adapted for delivery through an axial longitudinal channel of a percutaneous delivery subsystem, the aperture portion including an expanded mode having a lateral dimension greater than an inner diameter of the channel when the aperture portion extends outside the channel and a collapsed mode wherein the lateral dimension is not greater than the inner diameter of the channel when the aperture portion is within the channel, the channel including a first axial opening and a second axial opening with the aperture portion transitioning from the expanded mode to the collapsed mode when inserted into the openings and the aperture transitioning from the collapsed mode to the expanded mode when exiting from the openings.

Abstract: A multiwire unit having a plurality of wire sections which are formed in one piece from a tubular piece whose tubular jacket is subdivided in at least an axial subsection by a plurality of axial slots. The wire pieces remain interlinked at a front end section at a distance to a front tube face, and assume a bent functional state downstream of the wire linking area in a defined functional state of the multiwire unit. The front wire linking area, in the functional state of the multiwire unit, is shaped to an essentially tipless front end closure. For this purpose, the axial slots end at an appropriate small axial distance to the front tube face. The multiwire unit may be formed as, for example, a wire basket unit or a wire filter unit for medical instruments.

Abstract: A snare instrument has a snare structure which is formed in one piece from a tube section, by the latter being slit and bent open, and which has a proximal base portion and, extending axially forward from the latter, a distal snaring portion, and which is movable between a snaring position, in which it is moved forward out of an enclosure with the snaring portion folded open, and a securing position, in which it is moved back at least partially into the enclosure with the snaring portion folded in and providing a securing action. The snaring portion, in the folded-open state, has a cup shape with a distal snare opening. For this purpose, a distal end area of the tube section is provided with open axial slits of suitable length introduced from the direction of the distal end of the tube section, and, lying between these, with associated closed axial slits which terminate at a distance in front of the distal end of the tube section and are of greater length than the open axial slits.

Abstract: Disclosed is a snare instrument with a shaft area, a snare structure in a snaring area distally adjoining the shaft area, and a plurality of noose wires. The snare structure can be pulled closed, from an opened position with distally open snare, and has a plurality of flexible bending tubes which extend distally forwards and radially outwards in a radiating shape to form the snare, and of which the distal ends can be moved radially inwards towards each other so as to pull the snare structure closed. Each noose wire extends with a first base portion from the shaft area loosely through one of the bending tubes as far as the distal end thereof, from there with a noose arch to the distal end of the same or another bending tube, and from there with a second base portion loosely through the latter back to the shaft area. At least one of the noose wire base portions extends through each bending tube.

Abstract: A medical device configured to retrieve calcified stones from the human body includes wire segments and a fixing disc element coupled with the wire segments. The wire segments form a wire basket. The fixing disc element is coupled with the wire segments at a front end of the wire basket. Multiple adjacent wire strands are formed from a first of the wire segments that is directed along a path extending from the rear end of the wire basket forward through a first through-opening of the fixing disc element, and looped through a second through-opening of the fixing disc element, and directed along a path extending from the fixing disc element rearward to the rear end of the wire basket to thus form a first U-shaped deflection disposed on a distal side of the fixing disc element at the front end of the wire basket.

Abstract: A manually actuated function hose instrument has a hose-shaped function part and a wire-shaped function part extending in the latter, wherein the two function parts are axially movable relative to each other in order to exert a useful function at a distal section remote from a proximal end section. An associated operating device, which has two operating parts, is arranged at the proximal end section of the function parts. A fixing part is provided which serves for the external fixing of the operating device and with which the second operating part is coupled in an axially relatively movable manner, and/or the second operating part is connected non-releasably to the proximal end section of the hose-shaped function part and contains an operating ring with a circumferential finger recess as operating area.