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.

Disclosed are embodiments of delivery systems for delivery of replacement heart valves. This can include mitral, aortic, tricuspid, and pulmonary valves. The delivery systems can include one or more different components and configurations that advantageously improve placement of the replacement heart valves during the operation of the delivery system.

Methods, apparatuses, and systems are described for stent delivery and positioning for transluminal application. The system may include a stent that is disposed coaxially onto an inner tubular member. In some cases, the system may include an outer sheath disposed coaxially along at least a portion of the inner tubular member. The system may include a distal cutting element coupled with a distal end of the inner tubular member and an anchoring component disposed at a distal portion of the inner tubular member. The anchoring component may be configured to retain a distal portion of the stent in place along the inner tubular member as the outer sheath is retracted proximally to deploy the stent, wherein upon retraction of the outer sheath, the stent releases from the anchoring component and expands into a deployed configuration within the body lumen.

The invention relates to a catheter for the transvascular implantation of prosthetic heart valves, in particular including self-expanding anchorage supports (10), which allow a minimally invasive implantation of prosthetic heart valves. The aim of the invention is to reduce the risk to the patient during the implantation. To achieve this, according to the invention a prosthetic heart valve with anchorage supports is temporarily housed in a folded form in a cartridge-type unit (4) during the implantation. The cartridge-type unit can be fixed on the proximal end of a guide system (1), which includes a flexible region (9) that can be guided through the aorta. Actuating elements (2, 3) run through the interior of the hollow guide system, said elements permitting sections of the cartridge-type unit to be displaced radially about their longitudinal axis and/or laterally in a proximal direction, thus allowing individual sections of the anchorage support and the associated prosthetic heart valve to be sequentially released.

A delivery device for a collapsible heart valve includes an operating handle and a catheter assembly. The operating handle includes a frame defining a movement space therein, a carriage assembly moveable in a longitudinal direction within the movement space, and a coupler having locked and unlocked conditions, the coupler being operatively connected to the carriage assembly for movement therewith. The catheter assembly includes a shaft around which a valve-receiving compartment is defined, the shaft being operatively connected to one of the frame or the carriage assembly, and a distal sheath operatively connected to the carriage assembly for movement therewith between a closed condition adapted to maintain the valve in the compartment and an open condition adapted to fully deploy the valve.

A delivery system for delivery of an implantable stented device to a body lumen that includes an elongated member having a distal tip and a proximal end portion, a wire connection member positioned between the distal tip and proximal end portion of the elongated member, and a plurality of capturing wires extending from a distal end of the wire connection member. Each of the capturing wires includes a distal end having a lower portion that is moveable relative to an upper portion between an open position and a closed position, and a slot defined by the upper and lower portions when they are in the closed position.

According to an example of the present disclosure, an apparatus to store slack in a system line for a medical device is disclosed. The apparatus comprises a plurality of slack pockets arranged in series. The system line is configured to form a slack loop into each slack pocket, the plurality of slack pockets isolating the slack loops from each other. The plurality of slack pockets are configured such that when tension is applied to the system line, slack is dispensed by each slack loop straightening from each slack pocket without tangling with another one of the slack loops.

A guiding device is provided. An implantable apparatus includes a member to be anchored. A position-limiting wire is detachably connected to the implantable apparatus. A proximal end of the position-limiting wire is connected to the control handle. A distal end of the guiding catheter is provided with a guiding member. A distal end portion of the guiding catheter is bendable. A proximal end of the delivery catheter and a proximal end of the guiding catheter are respectively connected to the control handle. When the control handle is manipulated to make the guiding member on the guiding catheter move along the position-limiting wire toward the distal end, the distal end portion of the guiding catheter is bent and deformed, such that the distal end of the guiding catheter abuts against the member to be anchored of the implantable apparatus.

A delivery apparatus for an expandable, implantable medical device comprises a handle portion, a shaft extending from the handle portion, a delivery capsule configured to house the medical device in a radially compressed state, and a rotatable component disposed in the handle portion and operatively coupled to the delivery capsule to produce axial movement of the delivery capsule upon rotation of the rotatable component. The delivery apparatus further comprises a motor disposed in the handle portion that is operatively coupled to the rotatable component so as to produce rotation of the rotatable component and corresponding axial movement of the delivery capsule. Further, the delivery apparatus comprises a manual deployment tool that is also configured to produce rotation of the rotatable component and corresponding axial movement of the delivery capsule when a manual pulling force is applied to the pull cord to pull the pull cord relative to the rotatable component.

A delivery apparatus for implanting a prosthetic heart valve includes one or more shafts and a handle coupled to the one or more shafts. The handle comprises one or more knobs, one or more adjustment mechanisms, and/or one or more control mechanisms. The knobs are configured for actuating the one or more adjustment mechanisms and/or the one or more control mechanisms. The one or more adjustment mechanisms are configured for moving the shafts relative to each other and/or relative to the handle. The one or more control mechanisms are configured for limiting the direction of movement and/or force applied to the one or more shafts.