Abstract: A device comprises an expandable implant (11) and a hollow stent (13) internally defining a central passage (14). Said hollow stent (13) defines a retention opening (23A) of the implant (11) near the distal end thereof (19). The inventive device also comprises a wire-type link (53A) for releasably fixing the implant (11) to the stent (13), which comprises a traction section (75A) introduced into the opening (23A), and extending inside the central passage (14). For the wire-type link (53A), the device comprises an internal insulation channel (29A) arranged in the central passage (14) and axially fixed with respect to the stent (13). The insolation channel (29A) receives only one wire-type link (53A) and define's a channel (41) which is devoid of a link at least between the proximal end (21) of the stent (13) and the retention opening (23A) and is placed in the central channel (14).

Abstract: An expandable stent comprising a tubular body made up of a plurality of separated tubular elements (1) arranged along a common longitudinal axis. Each tubular element (1) comprises a plurality of rhombic-shaped closed cell elements (2) joined by circumferentially extending linking members (3). The closed cell elements (2) are expandable to allow the tubular elements, and hence the stent itself, to expand. In the direction of the longitudinal axis of the stent, the extremities of each of the closed cell elements has an enlarged loop (30) with waisted portions (33) which allow the tubular elements to interlock to create a stable structure, at least when in the unexpanded condition.

Abstract: The present invention provides a delivery device for self-expanding stent. The delivery device includes pipe head, inner pipe, near end controller, medium pipe, texturing tube, external protection apparatus, at least one locked coil and at least one stayguy. The external protection apparatus is a tearable external protection apparatus or a flexible connects collar hold-down mechanism or a stayguy hold-down mechanism. The present invention has a plenty of following advantages: to locate the stent rotarily, to fix the expanded stent effectively, to reduce the valvular abrasion of artificial cardiac stent, to reduce the abrasion of stayguy, to avoid the dislocation of stayguy and so on.

Abstract: An artificial heart valve and weaving method thereof are disclosed. The valve stent includes a tubular stent (10), valve leaflets (33), sealing membranes (351, 354), x-ray opaque markers (311, 312) and flexible connecting loops (41). The middle segment (15) of the net stent (10) is tubular or drum-shaped, or provided with radial protrusion structures (153), or provided with outer annular structures (155), or provided with outer free tongues (156), or provided with radial protrusion structures (153) and outer free tongues (156). The stent can be made by up and down interweaving the same one elastic metal wire, and also can be made by up and down interweaving different elastic metal wires.

Abstract: A stent assembly comprises an expandable tubular stent (21), an external surface of which is provided with a fabric (5) which may constitute a reservoir to hold drugs to be released in the intravascular system of a living. The fabric (5) may be made from a filamentary material, such as multifilament yarn (6). Electrospinning of nanofibers of, e.g., polymer may be employed for manufacturing the fabric. The stent may comprise an assembly of radially expandable, tubular elements (1) aligned along a common longitudinal axis and successively joined together in pairs by respective sets of linking members (4), e.g. forming a zigzag corrugation. The stent may be crimped onto a balloon.

Abstract: The device comprises a tubular endoprosthesis (11) and a hollow prop (13) provided in the vicinity of a distal end with at least one transverse retaining opening (23A). The device includes a releasable retaining member (31). It also includes filamentary line (33A) which forms and eyelet (41) around the retaining member (31), and a tightening loop (43) around the endoprosthesis (11), and which includes traction means (45) extending the tightening loop (43). The traction means (45) extend at least as far as a control end in the vicinity of a proximal end of the prop (13) and can be moved relative to the prop (13) towards the distal end of the prop (13) to a position in which the endoprosthesis (11) is in an expanded state. The invention is applicable to releasing endoprostheses in a blood vessel.

Abstract: An expandable stent comprising a tubular body made up of a plurality of separated tubular elements (1) arranged along a common longitudinal axis. Each tubular element (1) comprises a plurality of rhombic-shaped closed cell elements (2) joined by circumferentially extending linking members (3). The closed cell elements (2) are expandable to allow the tubular elements, and hence the stent itself, to expand. In the direction of the longitudinal axis of the stent, the extremities of each of the closed cell elements has an enlarged loop (30) with waisted portions (33) which allow the tubular elements to interlock to create a stable structure, at least when in the unexpanded condition.

Abstract: Guide which allows a precise patellar cut to be made for fitting the prosthetic patella of a knee prosthesis using a trial femoral component, having a sliding plate (20) of a pin guide (30), a pin guide (30) comprising at least two channels (33) for guiding pins (50), which are installed perpendicularly to the sagittal plane of the condyle, and comprising two panels having two surfaces (32, 34) arranged at a right angle, the first panel having a flat surface (32) and a central aperture (31), and the second panel having a flat surface (34) towards the inside of the guide, a securing element (40) which cooperates with the shaft (23) to lock the pin guide (30) with respect to the sliding plate (20) and thus avoid translation movements.