Abstract: A prosthesis for implantation at an implantation site proximate a native aortic valve, the implantation site including a valve annulus and a plurality of Valsalva sinuses located distal to the valve annulus. The prosthesis comprises an armature and a valve connected to the armature, wherein the armature includes a proximal portion configured for anchorage to the valve annulus, a distal portion configured to be positioned distal to the Valsalva sinuses when the proximal portion is anchored to the valve annulus, and first, second and third Valsalva sinus anchors each extending between and connecting the proximal and distal portions and arching radially outward between the proximal portion and the distal portion. The Valsalva sinus anchors are positioned so that each can extend into and engage a wall of a different one of the Valsalva sinuses.

Abstract: Devices and methods for securing a graft with respect to bone are provided. One exemplary embodiment of a surgical implant includes a flexible filament body and a suture filament or repair construct that extends through the filament body at multiple locations. The repair construct is formed into one or more coils, which can receive a graft. The flexible filament body can be configured to be actuated between unstressed and anchoring configurations, the latter of which sets a location of the suture filament, and associated graft, in a bone tunnel. More particularly, the flexible filament body can ball up, or become denser, to a size that cannot pass into the bone tunnel in which the suture filament holding the graft is disposed. The present disclosure also provides for feedback units to assist a surgeon in knowing a location of the implant. Further, other exemplary devices and methods are provided.

Abstract: Implant apparatus and methods directed toward treating conditions involving the knee joint and the patella specifically are disclosed. Full range of motion of the knee joint and tissue integrity are maintained in treatment approaches involving implanting a joint surface load reducing implant proximate the joint to change the direction of the tendons or muscles exerting forces on the joints.

Abstract: Devices and methods for assisting valve function, replacing venous valves, and predicting valve treatment successes. In at least one exemplary embodiment of an endograft body configured for expansion within a luminal organ of the present disclosure, the endograft body comprises (a) a first portion having a proximal end defining a proximal end aperture and a distal end defining a distal end aperture, the first portion configured to increase a velocity of fluid flowing therethrough, (b) a second portion having a second portion proximal end defining a second portion proximal end aperture and a second portion distal end defining a second portion distal end aperture.

Abstract: A femoral component having a modular stem is discussed. While the femoral component can have any suitable characteristic, in some cases, it includes an external articular surface and an internal surface. While the stem can have any characteristic, in some cases, it includes a proximal end and a distal end. Although the femoral component and stem can attach to a femur in any suitable manner, in some cases, the stem is inserted into the femur's intramedullary canal. In some cases, the femoral component is then: slid onto a resectioned portion of the femur at an angle between 20 and 80 degrees with respect to a longitudinal axis of the femur's distal portion, by rolling the femoral component onto the resectioned portion, or in any other suitable manner. In some cases, the distal end of the stem is then permanently fixed to the femoral component's internal surface. Other implementations are described.

Abstract: The present invention relates to a stent for the positioning and anchoring of a valvular prosthesis in an implantation site in the heart of a patient. Specifically, the present invention relates to an expandable stent for an endoprosthesis used in the treatment of a narrowing of a cardiac valve and/or a cardiac valve insufficiency. So as to ensure that no longitudinal displacement of a valvular prosthesis fastened to a stent will occur relative the stent in the implanted state of the stent, even given the peristaltic motion of the heart, the stent according to the invention comprises at least one fastening portion via which the valvular prosthesis is connectable to the stent. The stent further comprises positioning arches and retaining arches, whereby at least one positioning arch is connected to at least one retaining arch.

Abstract: Medical instrumentation is provided, in particular for implanting a hip joint stem, which includes a rasping instrument having a rasp stem defining a longitudinal direction. The rasp stem has at least two depth stops arranged or formed thereon. An implantation set is also provided which includes such a rasping instrument.

Abstract: A knee joint prosthesis which comprises a tibial component (4, 6) and a femoral component (2). The femoral component has condyles (14, 16) which act against the tibial component, directly or indirectly, during flexing of the knee. A cam (20) on the femoral component acts against a post (26) on the tibial component at high flex angles. The surface of the post which is contacted by the cam at high flex angles is convex when the post viewed generally perpendicular to the tibial bone contact and bearing surfaces, and the femoral bearing surface which is provided by the cam, where it contacts the convex surface of the post at high flex angles, is locally concave (32) when viewed along the surface of the post which contacts the cam so that the area of contact between the post and the cam is greater at high flex angles than at lower flex angles.

Abstract: Planar alloplastic bone replacement material and methods comprise at least one plate for augmentation of bone defects, whereby the bone replacement material consists of a biocompatible plastic material, a biocompatible metal and/or a biocompatible metal alloy, whereby the at least one plate comprises a planar structure and comprises a plurality of pins extending outwards from the planar structure of the at least one plate, whereby the pins each comprise at least one connecting element, whereby the pins are deformable elastically and are arranged sufficiently close to each other such that pressing the surfaces of multiple plates onto each other causes the connecting elements of different plates to interlock with and/or snap into each other and the mutually interlocked and/or snapped-in plates form an open-pored body of mutually interlocked and/or snapped-in plates.

Abstract: A medical device includes an implant anchor comprising first and second opposing end portions. The implant anchor may also include a fixation element to configured to couple the implant anchor to an implant, and an anchor element configured to couple the implant anchor to bone. At least a portion of the implant anchor has a porous structure.

Abstract: A device for the transvascular implantation and fixation of prosthetic heart valves having a self-expanding heart valve stent (10) with a prosthetic heart valve (11) at its proximal end is introducible into a patient's main artery. With the objective of optimizing such a device to the extent that the prosthetic heart valve (11) can be implanted into a patient in a minimally-invasive procedure, to ensure optimal positioning accuracy of the prosthesis (11) in the patient's ventricle, the device includes a self-expanding positioning stent (20) introducible into an aortic valve positioned within a patient. The positioning stent is configured separately from the heart valve stent (10) so that the two stents respectively interact in their expanded states such that the heart valve stent (10) is held by the positioning stent (20) in a position in the patient's aorta relative the heart valve predefinable by the positioning stent (20).

Abstract: This disclosure relates to arthroscopic resurfacing techniques for treating diseased bone. The techniques include passing a graft into a joint and fixating the graft against an articulating surface of a bone of the joint. A method for resurfacing a bone according to an exemplary aspect of the present disclosure includes, among other things, sizing a graft based on a replicate of a bone, arthroscopically positioning the graft against an articulating surface of the bone, and securing the graft to the bone using at least one suture anchor.

Abstract: A method for making a polymer with a porous layer from a solid piece of polymer is disclosed. In various embodiments, the method includes heating a surface of a solid piece of polymer to a processing temperature and holding the processing temperature while displacing a porogen layer through the surface of the polymer to create a matrix layer of the solid polymer body comprising the polymer and the porogen layer. In at least one embodiment, the method also includes removing at least a portion of the layer of porogen from the matrix layer to create a porous layer of the solid piece of polymer.

Abstract: A method for treating an aneurysm can include inserting a medical device partially in a first artery and partially in a third artery. The device can be expanded radially outwardly from a first position to a second position to engage an inner surface of the first artery and an inner surface of the third artery, so as to maintain a fluid pathway through said arteries. Further, the device can be positioned such that, when the device is in the second position, a porous membrane of the device is located at a neck of the aneurysm.

Abstract: A dental implant system with a ceramic implant and with an abutment, which moreover includes an insert element for the ceramic implant. The insert element is either manufactured from non-ceramic material or is manufactured essentially of injection molded ceramic. The insert element matches with a recess a proximal region of the ceramic implant and is inserted or insertable into the recess. The insert element serves for the fastening of the abutment and for this is equipped with fastening structures. The insert element, which is arranged in the recess of the ceramic implant, is connectable or connected to the ceramic implant by way of a frictional connection and/or positive connection with respect to axial traction.

Abstract: Provided is an artificial knee joint implant with which the balance between ligaments can be properly adjusted. An artificial knee joint implant includes a plurality of types of tibial plates-having tibia-side sliding faces that slide against femoral components and respectively having at least either the tibia-side sliding faces at different positions with respect to a tibia in a state where the tibial plates are fixed to a tibial tray attached to a tibia, or the tibia-side sliding faces in different shapes.

Abstract: An implantable device for treating mitral valve regurgitation, the device being configured to expand from a compressed state into an expanded state. The device comprises a stent element consisting of (i) an atrial anchoring stent-portion, and (ii) a valve-carrying stent-portion being fixedly connected with one another, and a valve-element. The atrial anchoring stent-portion has a balloon-like shape and the valve-carrying stent-portion has a cylindrical shape, such, that the valve-carrying stent-portion is positioned intra-annular without contacting the annulus of a native mitral valve.

Abstract: Knee implant systems and methods for implantation or use in a knee joint, are disclosed. A knee implant system can include at femoral component having a femur-contacting surface and an opposing articulation surface, and proximal, distal, anterior and posterior portion. The femoral component can include a medial condyle and a lateral condyle, where each of the condyles define respective distal-most points and have substantially equal widths. The width of each of the condyles can define respective condyle midpoints, where the distal-most points can be located laterally from the midpoints. The femoral component can include a trochlear groove that can define a distal-most sulcus point located halfway between the distal-most point of the medial condyle and the distal-most point of the lateral condyle.

Abstract: A human knee prosthetic implant having a tibia component forming first and second medial concave surfaces and first and second lateral concave surfaces, and a femur component forming first and second medial convex surfaces and first and second lateral convex surfaces. The tibia and femur surfaces are formed to provide contact interaction in full extension, a mid flexion range and in a state of full flexion of the knee prosthetic implant.

Abstract: A ceramic component to be securely connected to an additional component in force-locked manner. A joint prosthesis comprising a ceramic sphere (1), a metallic sleeve (2) and a base plate (3) with a cylindrical projection. The connection between the ceramic sphere and the base plate or shaft (7) is secured by a screw (6).