1
Otto Frey, Rudolf Koch: Metallic intervertebral prosthesis. Sulzer Brothers, Kenyon & Kenyon, September 11, 1990: US04955908 (447 worldwide citation)

The metallic intervertebral prosthesis is formed of a kidney-shaped body having fishplates extending upwardly and downwardly from the body. Each fishplate has an opening for passage of a bone screw in order to secure the prosthesis to and between adjacent vertebrae. The body is tapered conically fro ...


2
Otto Frey, Rudolf Koch, Heinrich M F Planck: Joint endoprosthesis. Sulzer Brothers, Kenyon & Kenyon, June 12, 1990: US04932969 (446 worldwide citation)

The joint endoprosthesis is formed of a compressible elastic hollow body which is disposed between two anchoring elements. The hollow body defines a closed cavity which is filled with an incompressible fluid medium. Compressive loadings near the edges of the endoprosthesis cause a displacement of th ...


3
Otto Frey, Rudolf Koch: Intervertebral prosthesis. Sulzer Brothers, Kenyon & Kenyon, April 17, 1990: US04917704 (349 worldwide citation)

The intervertebral prosthesis provides a replacement for a damaged disk. The prosthesis is formed as a solid body of kidney-shape and is provided with a metal mesh covering for the ingrowth of tissue. Raised parts are formed on the opposite surfaces of the kidney-shaped body impart lateral stability ...


4
Rudolf Koch, Robert M Streicher: Knee joint prosthesis. Sulzer Brothers, Kenyon & Kenyon, March 30, 1993: US05197987 (221 worldwide citation)

The knee joint prosthesis is formed of a tibia metal plate which can be attached to a tibia and a femur part which can be secured in a femur. An intermediate plastic part is provided on the tibia metal plate to receive the femur part in bearing relation. In order to reduce abrasion of the intermedia ...


5
Otto Frey, Rudolf Koch: Bone nail and an instrument for implanting a bone nail. Sulzer Brothers, Kenyon & Kenyon, October 11, 1988: US04776328 (176 worldwide citation)

The bone nail is provided with a tapered portion having a barbed denticulation and a conical head which has a conical shaped depression at the proximal end for receiving a centering cone of the setting and driving instrument. The instrument carries a movable sleeve at the distal end for engaging and ...


6
Nikolaus Bohler, Rudolf Koch: Implant for ingrowth of osseous tissue. Sulzer Brothers, Kenyon & Kenyon, September 15, 1992: US05147402 (162 worldwide citation)

An implant for ingrowth of osseous tissue is constructed of a hollow skeletal three-dimensional support member having a plurality of openings for the ingrowth of osseous tissue into an interior cavity. The surfaces of the beams defining the openings may also be roughened to promote the fusion of tis ...


7
Hilaire Jacob, Yoshinori Suezawa, Adam Schreiber, Rudolf Koch: Implant for vertebrae with spinal stabilizer. Sulzer Brothers, Kenyon & Kenyon, January 28, 1992: US05084048 (128 worldwide citation)

The vertebrae implant has a stabilizing element which is articulated to a pair of bone screws so as to accommodate skew positions of the bone screws relative to each other. A slotted clamp is provided to secure the stabilizing element to each bone screw. In addition, each clamp is disposed between a ...


8
Roland P Jakob, Stefan Freudiger, Rudolf Koch, Hans Fluckiger: Pull-through appliance. Sulzer Brothers, Protek, Kenyon & Kenyon, May 26, 1992: US05116373 (113 worldwide citation)

The pull-through appliance is made of a mesh structure formed of at least one continuous thread and a pullout thread disposed at one end of the mesh structure to prevent unraveling of the mesh structure. A hollow tube is used to facilitate drawing in of the synthetic strand and autologous strand of ...


9
Otto Frey, Rudolf Koch: Bone implant for fixing artificial tendons or ligaments with application and extraction means. Sulzer Brothers, Kenyon & Kenyon, December 27, 1988: US04793335 (84 worldwide citation)

The agraffe is composed of a deformable metal plate having two projections, each of which is provided with a threaded eyelet. In addition, anchored pins are threaded into the respective eyelets and can be selected from a set of pins having different lengths. The deformable plate is arched between th ...


10
Otto Frey, Rudolf Koch: Rasp-like reaming instrument. Sulzer Brothers, Kenyon & Kenyon, May 28, 1991: US05019082 (63 worldwide citation)

The rasp-like reaming instrument is constructed as a hollow body with exterior teeth and openings adjacent the teeth. During use, bone material which is peeled off by the teeth is directed through the openings into the interior of the body to avoid accumulation of the material under the teeth. The c ...