Abstract: A device for placing a seal around an implant in a blood vessel, and associated treatment kit are provided. This device (24) includes a hollow sheath (60) having a longitudinal axis (Y-Y?), and at least one release member (62), which may be deployed with respect to the sheath (60) between a retracted position in the sheath (60) and an extracted position out of the sheath (60). The device (24) includes, for said or each release member (62), a seal body (64) having an angular extent strictly less than 360° around the longitudinal axis (Y-Y?), the seal body (64) being releasably attached onto the release member (62) so as to be released from the release member (62).

Abstract: A device (10) for treating a blood circulation conduit is provided. The device (10) includes an implant (20) intended to be placed in the conduit (3). The implant includes a tubular endoprosthesis (22) and an insertion member (24). The device (10) includes a tool (26) for deploying the implant (20), able to occupy a configuration for introducing the implant (20) into the conduit. It includes an actuation member (28) of the insertion member (24), able to be actuated from a proximal end (85A) of the deploying tool (26) in order to have the insertion member (24) pass from an inactive position to an active position. The insertion member (24) is freely movable with respect to the endoprosthesis (22) between its inactive position and its active position.

Abstract: A device (24) for placing a seal around an implant in a blood circulation passage is provided. The device includes a hollow sheath having a longitudinal axis, and at least one releaser, deployable relative to the sheath is provided. The device (24) includes, for the or each releaser, a sealing body (64) releasably fastened on that releaser, the sealing body (64) having an angular span smaller than 360° around the longitudinal axis, and a filiform link (67) connecting at least one releaser to another releaser and/or to the controller (68) positioned in the sheath, the filiform link (67) being deformable between a relaxed idle configuration and a stretched configuration limiting the radial movement of the sealing bodies (64).

Abstract: The invention relates to a kit including a tubular endoprosthesis having an inner surface delimiting a channel with a longitudinal axis. The kit includes a prosthetic valve designed to be implanted in the channel. The valve includes a supporting frame having an outer surface designed to be pressed against the inner surface, and a flexible cover connected to the frame. The inner surface has at least two segments with variable cross-section along the longitudinal axis. The segments form respectively a proximal stop and a distal stop to lock the axial displacement of the outer surface along the inner surface along two opposite directions.

Abstract: The device includes: a tubular endoprosthesis with a central axis, and a release system including a capsule defining an inner volume receiving the tubular endoprosthesis in its contracted condition. The capsule is displaceable with respect to the tubular endoprosthesis along the central axis between a position for covering the tubular endoprosthesis and a position for releasing the tubular endoprosthesis. The device includes a mechanism for opening the capsule able to be maneuvered in the covering position in order to have the capsule pass from a closed configuration for retaining the tubular endoprosthesis to an open configuration radially expansed for releasing the tubular endoprosthesis. The tubular endoprosthesis is able to be kept at least partly retracted in the inner volume upon passing of the capsule from its closed configuration to its open configuration.

Abstract: A device for placing a seal around an implant in a blood vessel, and associated treatment kit are provided. This device (24) includes a hollow sheath (60) having a longitudinal axis (Y-Y?), and at least one release member (62), which may be deployed with respect to the sheath (60) between a retracted position in the sheath (60) and an extracted position out of the sheath (60). The device (24) includes, for said or each release member (62), a seal body (64) having an angular extent strictly less than 360° around the longitudinal axis (Y-Y?), the seal body (64) being releasably attached onto the release member (62) so as to be released from the release member (62).

Abstract: A device (24) for placing a seal around an implant in a blood circulation passage is provided. The device includes a hollow sheath having a longitudinal axis, and at least one releaser, deployable relative to the sheath is provided. The device (24) includes, for the or each releaser, a sealing body (64) releasably fastened on that releaser, the sealing body (64) having an angular span smaller than 360° around the longitudinal axis, and a filiform link (67) connecting at least one releaser to another releaser and/or to the controller (68) positioned in the sheath, the filiform link (67) being deformable between a relaxed idle configuration and a stretched configuration limiting the radial movement of the sealing bodies (64).

Abstract: A device (10) for treating a blood circulation conduit is provided. The device (10) includes an implant (20) intended to be placed in the conduit (14). The implant includes a tubular endoprosthesis (22) and an insertion member (24). The device (10) includes a tool (26) for deploying the implant (20), able to occupy a configuration for introducing the implant (20) into the conduit. It includes an actuation member (28) of the insertion member (24), able to be actuated from a proximal end (85A) of the deploying tool (26) in order to have the insertion member (24) pass from an inactive position to an active position. The insertion member (24) is freely movable with respect to the endoprosthesis (22) between its inactive position and its active position.

Abstract: The device includes at least a tubular endoprosthesis (6), deployable between a retracted state and a dilated state, and a hollow support (10) which extends longitudinally between a proximal end (18) and a distal end (16). The support (10) is provided, in the vicinity of the distal end (16), with at least a transverse retention opening. The device includes at least a releasable threadlike tie (12, 14) for holding the endoprosthesis (6) on the support (10). The tie is engaged in the retention opening (28) and actuated from the proximal end (18) of the support (10) to release the endoprosthesis (6). The support (10) includes, over at least a portion of its length, a spring (24) forming the support. The spring (24) has contiguous turns over at least a portion of its length.

Abstract: A device includes an expandable implant and a hollow stent internally defining a central passage. The hollow stent defines a retention opening of the implant near the distal end thereof. The inventive device also includes a wire-type link for releasably fixing the implant to the stent, which has a traction section introduced into the opening and extending inside the central passage. For the wire-type link, the device includes an internal insulation channel arranged in the central passage and axially fixed with respect to the stent. The insulation channel receives only one wire-type link and defines a channel which is devoid of a link at least between the proximal end of the stent and the retention opening and is placed in the central channel.

Abstract: A tubular prosthesis is radially deformable and includes a lattice that is deformable between a retracted state of small diameter and an expanded state of larger diameter. The prosthesis includes at least two outer hooks delimiting between them a clamp for engaging in an outer tissue. The two hooks are carried by the lattice and can be moved between a spaced-apart position in which the clamp is open and a closer-together position in which the clamp is closed. The prosthesis includes a guiding member for moving at least one of the hooks during deformation of the prosthesis. The guiding member delimits a guide passage in which at least one of the hooks is engaged.

Abstract: This device (10) includes an implant (20) which has a tubular endoprosthesis (30) with a radially deployable framework (36). The implant (20) includes a flexible interposition member (24) mounted movably on the endoprosthesis (30) so as to be interposed between the outer surface (40) and a blood circulation conduit (14). The device (10) includes a deployment tool (26) which can adopt a configuration for insertion of the implant (20) and a configuration for release of the implant (20). In the configuration for insertion of the implant (20), the flexible member (24) includes at least one free part (68) held axially away from the outer surface (40) in order to minimize the radial dimension of the implant (20). The free part (68) is at least partly displaceable against the outer surface (40) when the tool (26) moves from its configuration for insertion to its configuration for release.

Abstract: Prosthetic implant of the type comprising: a tubular support (12) of axis X, which can be deformed between a compressed state with a small diameter and a dilated state with a larger diameter, the tubular support comprising a lattice comprising rhombus-shaped meshes (26), each mesh having a first diagonal (28) parallel to the axis X and a second diagonal (32) perpendicular to the axis X; and at least one resilient membrane (14A, 14B) arranged inside the tubular support. The membrane comprises a fixing portion (48, 52), the fixing portion being fixed to a fixing section (65, 66) delimited by a strand (20A, 20B) of the tubular support, the fixing section being oriented substantially parallel to the axis X.

Abstract: A kit includes an implantable treatment element (13) which can be radially deformed between a retracted state and a deployed state, and a sheath (15) for maintaining the treatment element (13) in its retracted state. The kit also includes a member (19) for pulling the treatment element (13) into the sheath (15), which includes a sleeve (17) for receiving the treatment element (13) which can slide in relation to the sheath (15) between an expanded position for receiving the treatment element (13) and a compressed interposed position between the treatment element (13) and the sheath (15). The treatment element (13) is substantially axially fixed in relation to the receiving sleeve (17) when the sleeve (17) moves between its receiving and interposed positions. The kit can be used to insert endoprostheses into a blood vessel.

Abstract: A device includes a support defining at least one opening for retaining an implant situated in the vicinity of the distal end thereof, and at least one threadlike link for retaining the implant. The link includes a control portion engaged in the support and a tightening loop of the implant which projects outside the support through the retention opening. A component is provided for placing each tightening loop around the implant. The placement component includes a rigid member and at least one flexible cord integral with the member and engaged releasably around the tightening loop.

Abstract: The present invention relates to a device for processing a blood circulation conduit comprising: at least one endoprosthesis deployable between a retracted state and a dilated state; a stent for mounting the endoprosthesis, the stent including a body extending longitudinally between a proximal end region and a distal end region, the stent being fitted for the insertion, positioning, and deployment of the endoprosthesis in the blood circulation conduit, the stent including a releasable means for retaining the endoprosthesis on the stent. The distal end region of the body of the stent is capable of changing the shape thereof between a substantially straight configuration and an inwardly curved configuration, and the device comprises a controlling means for changing the shape of said distal end region between the straight configuration thereof and the inwardly curved configuration thereof.

Abstract: Prosthetic implant of the type comprising: a tubular support (12) of axis X, which can be deformed between a compressed state with a small diameter and a dilated state with a larger diameter, the tubular support comprising a lattice comprising rhombus-shaped meshes (26), each mesh having a first diagonal (28) parallel to the axis X and a second diagonal (32) perpendicular to the axis X; and at least one resilient membrane (14A, 14B) arranged inside the tubular support. The membrane comprises a fixing portion (48, 52), the fixing portion being fixed to a fixing section (65, 66) delimited by a strand (20A, 20B) of the tubular support, the fixing section being oriented substantially parallel to the axis X.

Abstract: The device includes at least a tubular endoprosthesis (6), deployable between a retracted state and a dilated state, and a hollow support (10) which extends longitudinally between a proximal end (18) and a distal end (16). The support (10) is provided, in the vicinity of the distal end (16), with at least a transverse retention opening. The device includes at least a releasable threadlike tie (12, 14) for holding the endoprosthesis (6) on the support (10). The tie is engaged in the retention opening (28) and actuated from the proximal end (18) of the support (10) to release the endoprosthesis (6). The support (10) includes, over at least a portion of its length, a spring (24) forming the support. The spring (24) has contiguous turns over at least a portion of its length.

Abstract: This device (10) includes an implant (20) which has a tubular endoprosthesis (30) with a radially deployable framework (36). The implant (20) includes a flexible interposition member (24) mounted movably on the endoprosthesis (30) so as to be interposed between the outer surface (40) and a blood circulation conduit (14). The device (10) includes a deployment tool (26) which can adopt a configuration for insertion of the implant (20) and a configuration for release of the implant (20). In the configuration for insertion of the implant (20), the flexible member (24) includes at least one free part (68) held axially away from the outer surface (40) in order to minimise the radial dimension of the implant (20). The free part (68) is at least partly displaceable against the outer surface (40) when the tool (26) moves from its configuration for insertion to its configuration for release.

Abstract: The invention relates to a prosthetic valve which is endoluminally placeable and comprises a tubular support radially deformable with respect to a main axis (X-X) from an unfolded implanting position to a folded setting position. A flexible plug connected to the tubular support and deformable between a blocking position in which it is transversally stretched and a releasing position in which it is transversally contracted by the action of a flow circulating through said tubular support. The inventive valve also comprises a rigid chord which extends generally along the generatrix of the tubular support and is connected thereto at least at two points which are remote from each other along the axis thereof.