A device for fracturing calcifications in heart valves includes a stabilizer and an impactor movable towards each other. The impactor includes one or more impactor arms, each of which extends distally from a proximal cap. The impactor further includes one or more lever arms each of which is distally coupled to a lever cap and proximally coupled to a corresponding one of the one or more impactor arms. The lever cap slides on a shaft which extends towards the proximal cap. Proximal movement of the lever cap towards the proximal cap causes the one or more lever arms to deform and to push against the one or more impactor arms and to cause the one or more impactor arms to deform.

In some examples, an intravascular medical assembly includes an elongated structure configured to deliver or retrieve a medical device within vasculature of a patient, wherein the elongated structure comprises an exposed metal surface treated with a plasma-treatment process configured to reduce friction associated with the metal surface, wherein the plasma-treatment process includes electrolytic-polishing of the metal surface in the presence of a reactive gas to reduce variability in the metal surface; and plasma-coating the metal surface with a hydrophilic substance formed from the reactive gas.

Surface preparation for sliding surfaces can enhance wear performance for surgical instruments such as surgical staplers which include reusable mechanisms that are used multiple times with single use reload cartridges. To reduce the potential for galling wear in a metal-to-metal sliding engagement, a combination of surface hardening, surface finish, and surface coatings can be applied to metallic components of a surgical instrument. Surface hardening techniques can allow further manufacturing operations such as welding without compromising the strength of the underlying metal substrate. With stainless steel metal substrates, as surface or case hardening techniques can reduce corrosion resistance, a surface coating can be applied to inhibit surface oxidation as well as provide a barrier to metal-to-metal contact. A further lubricious coating layer such as a bone wax coating layer can enhance galling resistance.

A T-RESAP surgical applicator device which is usable during surgeries aimed at repairing soft tissues by applying an implantable T-REM3DIE element, is configured to perforate the soft tissues to be repaired and to correctly position and insert the implantable T-REM3DIE device in the tissue to be repaired.

Embodiments of an implant that is configured with materials to prevent degradation or corrosion. The implant can comprise an elongate body and a degradation-delaying element disposed thereon, where the degradation-delaying element can be configured to reduce or retard corrosion of the elongate body.

The present invention is an embolization coil having an optimum morphological stability. The embolization coil includes a wire material made of an AuPt alloy. The wire material constituting the embolization coil has such a composition that a Pt concentration is 24 mass % or more and less than 34 mass %, with the balance being Au. The wire material has such a material structure that a Pt-rich phase of an AuPt alloy having a Pt concentration of 1.2 to 3.8 times a Pt concentration of an phase is distributed in an phase matrix. The wire material has a bulk susceptibility of 13 ppm or more and 5 ppm or less. In a material structure of a transverse cross-section of the wire material, an average value of two or more average crystal particle diameters measured by a linear intercept method is 0.20 m or more and 0.35 m or less.

Disclosed is an aortic punch comprising a first body member having a proximal end and a distal end, a second body member disposed at least partially within said first body member, a manual actuator, a piston having an anvil disposed at a distal end thereof, and a shear, said shear being integral with said second body member. The first body member and second body member are axially movable relative to one another between a fully extended position and a fully retracted position and within a range of intermediate positions while maintaining the piston and shear in position relative to each other in the axial direction, and separately the shear is axially movable via manual actuation relative to said anvil between an insertion position and a shearing position and a range of intermediate positions.

An apparatus and method for inserting prosthesis implants into apatient pocket. The apparatus has three openings including a prosthesis opening and two implant insertion openings. The apparatus prevents infection; eases insertion and placement; and reduces complications. In use, the first implant insertion end of the bellow is placed through the patient incision while allowing the bellow to be manipulated to force the first implant into a surgical pocket of a patient. Then the bellow is rotated 180 degrees so that the second implant insertion end becomes the opening through which the second implant is inserted into the second incision while allowing the bellow to be manipulated to force the second implant into a surgical pocket.

A vascular occlusion device includes a structural component comprising an axis and a membrane that contacts the structural component and is constructed of a polymeric material. The membrane includes a first end and a second end. At least one of the first end and the second end extends axially beyond the structural component along the axis and includes a sintered seal. The sintered seal may seal off a cavity delineated by the membrane to occlude blood flow that is incident on the sintered seal.

An intratumor turbulent flow device, comprising: a turbulent flow disc of a double-layer metal wire braided structure, a developing mark is provided in the center of the turbulent flow disc, and metal wires in the center of the turbulent flow disc are fixed in the developing mark; a distal end of a release portion is connected to the developing mark; a pushing guide wire is connected to the turbulent flow disc through the release portion; and a microcatheter for transporting the turbulent flow disc. The pushing guide wire pushes, into a tumor cavity of an aneurysm along the microcatheter. The turbulent flow disc expands in the tumor cavity and is fitted to the inner wall of the tumor cavity. The release portion is broken restoring the center of the turbulent flow disc, and the developing mark is prevented from forming an embolism in the blood vessel.