Abstract: A surgical retractor for cardiac surgery with a hollow tube-shaped first base body with a first base body longitudinal axis on which at least one first rib comprising a first end, a second end, and a first rib longitudinal axis is laterally disposed with its first end, and with a second base body with a second base body longitudinal axis on which at least one second rib comprising a first end, a second end, and a second rib longitudinal axis is laterally disposed with its first end, wherein in the first base body a first transport rod with a first transport rod longitudinal axis is disposed such that it is supported rotatably about the first transport rod longitudinal axis, wherein the at least one second rib penetrates the first base body in a through hole transversely to the first base body longitudinal axis, and wherein the at least one second rib comprises several recesses spaced apart with respect to one another along the second rib longitudinal axis, and the first transport rod comprises at least one pr

Abstract: A surgical retractor for cardiac surgery with a hollow tube-shaped first base body with a first base body longitudinal axis on which at least one first rib comprising a first end, a second end, and a first rib longitudinal axis is laterally disposed with its first end, and with a second base body with a second base body longitudinal axis on which at least one second rib comprising a first end, a second end, and a second rib longitudinal axis is laterally disposed with its first end, wherein in the first base body a first transport rod with a first transport rod longitudinal axis is disposed such that it is supported rotatably about the first transport rod longitudinal axis, wherein the at least one second rib penetrates the first base body in a through hole transversely to the first base body longitudinal axis, and wherein the at least one second rib comprises several recesses spaced apart with respect to one another along the second rib longitudinal axis, and the first transport rod comprises at least one pr

Abstract: The invention is a gauge for the reconstruction of a cusp of an aortic valve, with the gauge (10) being made from a material that can be deformed in a plastic fashion using manual force.

Abstract: The invention is a gauge for the reconstruction of a cusp of an aortic valve, with the gauge (10) being made from a material that can be deformed in a plastic fashion using manual force.

Abstract: A surgical instrument with a first contact element and a second contact element for spreading tissue, bone, or the like. The instrument has a stationary base part and a sliding part, which is arranged on the base part in a longitudinally movable manner. The first contact element is integrally molded on the distal end of the base part, and the second contact element is connected to the base part and to the sliding part via a first arm and to the base part via a second arm. The first arm is arranged on the second contact element via a first pivot axis, on the base part via a second pivot axis, and on the sliding part via a third pivot axis, and the second arm is arranged on the second contact element via a fourth pivot axis and on the first contact element via a fifth pivot axis.

Abstract: A surgical instrument with a first contact element and a second contact element for spreading tissue, bone, or the like. The instrument has a stationary base part and a sliding part, which is arranged on the base part in a longitudinally movable manner. The first contact element is integrally molded on the distal end of the base part, and the second contact element is connected to the base part and to the sliding part via a first arm and to the base part via a second arm. The first arm is arranged on the second contact element via a first pivot axis, on the base part via a second pivot axis, and on the sliding part via a third pivot axis, and the second arm is arranged on the second contact element via a fourth pivot axis and on the first contact element via a fifth pivot axis.

Abstract: A spreader for aortic valve reconstruction having a dimensionally stable ring and three retractor arms comprising, respectively, a stem and a blade, with the blade being distally disposed on the stem, and wherein the retractor arms are disposed, offset relative to each other by respectively 120° in the direction of circumference of the ring, on said ring, and wherein the stems of the retractor arms are substantially aligned as perpendicular relative to the plane of the ring, and wherein the retractor arms are supported on the ring in such a way by the proximal end of their stems that they can be radially moved relative to each other toward the inside and radially expanded by the spring force of the ring.

Abstract: A spreader for aortic valve reconstruction having a dimensionally stable ring and three retractor arms comprising, respectively, a stem and a blade, with the blade being distally disposed on the stem, and wherein the retractor arms are disposed, offset relative to each other by respectively 120° in the direction of circumference of the ring, on said ring, and wherein the stems of the retractor arms are substantially aligned as perpendicular relative to the plane of the ring, and wherein the retractor arms are supported on the ring in such a way by the proximal end of their stems that they can be radially moved relative to each other toward the inside and radially expanded by the spring force of the ring.

Abstract: The implantable inter-vertebral prosthesis is comprised of a cranial endplate (10) and a caudal endplate (12), between which spring structure are provided. The spring structure are comprised of a memory metal alloy, which at body temperature exhibits super elastic characteristics. The spring structure are planar structures (14) parallel to the surface of the endplates (10, 12) and are comprised of wires of memory metal alloy tensioned running in the plane of the planar structure (14).

Abstract: An intervertebral disc prosthesis comprising a cranial disc (10) and a caudal disc (12), which are supported against each other elastically upon compression by spring(s) (16). The spring(s) (16) consist of a memory-metal alloy, which exhibits super-elastic properties at body temperature.

Abstract: An intervertebral disc prosthesis comprising a cranial disc (10) and a caudal disc (12), which are supported against each other elastically upon compression by spring means (16). The spring means (16) consist of a memory-metal alloy, which exhibits super-elastic properties at body temperature.