A method and an assembly for securing a crimped medical device over a deflated balloon of a balloon catheter is provided. The medical device is positioned in its expanded state over the deflated balloon of the balloon catheter, and is then crimped over the deflated balloon. First and second eyelets of first and second strings, respectively, are then threaded through first and second rings, respectively, that are provided on the medical device. Next, a locking wire is advanced through a lumen defined between the sheath and the catheter body to exit the distal end of the sheath, and then advanced through the first and second eyelets and into the distal tip of the balloon catheter. The sheath is then advanced over the crimped medical device to the distal tip to completely cover the crimped medical device.

A replacement heart valve implant may include an expandable framework configured to shift from a collapsed configuration to an expanded configuration, the expandable framework having an inflow end and an outflow end, a plurality of valve leaflets secured to the expandable framework, and a plurality of pockets secured to the expandable framework in a plurality of circumferential pocket rows. The plurality of pockets extends radially outward from the expandable framework to capture retrograde fluid flow around an exterior of the expandable framework within the plurality of pockets.

Stent delivery device including an inner member having a distal tip, a stent support member, and a stent disposed over a stent receiving region of the stent support member. An elongated outer sheath is slidably disposed over the inner member and the stent. The stent delivery device includes a distal junction removably coupling the distal end of the outer sheath to the distal tip, where the distal junction is actuatable to decouple the outer sheath from the distal tip. The stent delivery device includes a proximal junction removably coupling a distal portion of the outer sheath to a proximal portion of the outer sheath, where the proximal junction is actuatable to decouple the distal portion of the outer sheath from the proximal portion of the outer sheath. The distal and proximal junctions may be separately actuatable by rotating the inner member relative to the proximal portion of the outer sheath.

Embolic implants delivery systems and methods of manufacture and delivery are disclosed. The devices can be used for aneurysm and/or fistula treatment. The designs offer low profile compressibility for delivery to neurovasculature, while maintaining advantageous delivery and implant detachment control features.

A delivery system for implantable medical device and control handle thereof are provided. Also provided is an implantable medical device and securing method, loading method, and releasing method therefor. The delivery system includes a balloon catheter; a sheath in sliding fit over the balloon catheter and for covering the implantable medical device; an adjustment string for releasably securing the implantable medical device over the balloon catheter, one end of the adjustment string is capable of being fixed to the balloon catheter, and the other end is capable of passing through the implantable medical device and has an eyelet; and a locking wire having relative locked and unlocked states. In the locked state, the locking wire passes through the eyelet to restrain the implantable medical device, and in the unlocked state, the locking wire disengages from the eyelet to release the implantable medical device.

A method and an assembly for securing a crimped medical device over a deflated balloon of a balloon catheter is provided. The medical device is positioned in its expanded state over the deflated balloon of the balloon catheter, and is then crimped over the deflated balloon. First and second eyelets of first and second strings, respectively, are then threaded through first and second rings, respectively, that are provided on the medical device. Next, a locking wire is advanced through a lumen defined between the sheath and the catheter body to exit the distal end of the sheath, and then advanced through the first and second eyelets and into the distal tip of the balloon catheter. The sheath is then advanced over the crimped medical device to the distal tip to completely cover the crimped medical device.

Delivery systems (100) are described that include endoprostheses (102) configured to transition from compact, delivery configurations to enlarged, deployed configurations, delivery catheters including body (108) and tip (112) portions, the endoprostheses being received on body portions in the compact, delivery configuration, the tip portions including lips (114) configured to define pockets (114A) that releasably receive the endoprosthesis in the compact, delivery configuration, and constraints releasably maintaining the endoprostheses in the compact, delivery configuration. Additional and alternative delivery system features and associated methods are provided.

An indwelling device 1 is provided with: a sheath 20 that is capable of housing a stent graft 10; and a long shaft 30 that is configured to be capable of advancing or retreating inside the sheath along the axial direction. The shaft has a fixing tool 34 and a hollow tube 35 that are respectively engaged with a connection part 14 and a blood vessel wall fixing part 15 of the stent graft to restrict movement of an opening end 11a of the stent graft in the radial direction. The indwelling device is configured to be capable of releasing engagement between the connection part and the fixing tool and engagement between the blood vessel wall fixing part and the hollow tube independently of each other by displacing the shaft with respect to the stent graft in the axial direction.

Various systems, devices, and methods for endovascular implants and accurate placement thereof are disclosed. The implants include a proximal implant segment, a distal implant segment, connector struts connecting the proximal implant segment to the distal implant segment, and a side opening between the proximal implant segment and the distal implant segment. The implants can be used to create an arteriovenous fistula or connect one vessel of the body to another by placement of the proximal implant segment and the distal implant segment within the vessels to be connected. The implants can have an hourglass shape. The implants can include a continuous strut or ring at a distal edge of the proximal implant segment. Also disclosed are methods for accurate percutaneous placement of the implants disclosed, and a device for percutaneous delivery.

A device for placement in the aortic arch of a patient is provided. The device includes a distal portion for being engageably received in an aortic arch of a patient beyond the left subclavian artery and a stent portion fluidly engaged with the distal portion, the stent portion being permeable and configured to span a portion of the aortic arches to which the brachiocephalic trunk, left common carotid artery, and left subclavian artery attach to the aortic arch. A diameter of the stent portion may be modified by translation of the proximal portion to thereby alter a length of the stent portion thus causing modification of the diameter of the stent portion to fit anatomical features of differing dimensions.