1
Dietrich Schollner, Yvan Sandoz: Kit for an artificial acetabulum. Sulzer Medizinaltechnik, Allo Pro, Townsend and Townsend and Crew, June 29, 1999: US05916268 (35 worldwide citation)

The kit contains a metal outer shell (1), an inner shell (2) which can be inserted therein, and fastening elements which can be mounted on the outer shell (1) so that they substantially protrude radially, and which include at least one support (4) and two screw connections (5). The fastening element ...


2
Rudolf Koch, Yvan Sandoz: Finger joint prosthesis made of metal. Sulzer Medizinaltechnik, Townsend and Townsend Khourie and Crew, March 1, 1994: US05290314 (26 worldwide citation)

A finger joint prosthesis, made of metal, has a bearing shell (1) attached to a shaft (2) in the metacarpal and a bearing journal (3) attached to a shaft (5) in the phalange. The bearing journal (3) is designed as a barrel (4), which at right angles to its axis (8) in its center comprises a piece (7 ...


3
Rene Hauser, Yvan Sandoz: Two-part hipjoint socket for anchoring in the pelvic bone. Sulzer Medizinaltechnik, Allo Pro, Townsend and Townsend and Crew, August 27, 1996: US05549692 (13 worldwide citation)

A hipjoint socket having a metal outer shell (1) which may be anchored in the pelvis. The shell (1) includes regions (3) of greater wall thickness (D) alternating in the circumferential direction with regions (4) of less wall thickness (d). The regions (3) of greater wall thickness (D) are made as g ...


4
Yvan Sandoz, Alex Seidl: Kit system for cemented prostheses. Sulzer Orthopaedie, Townsend and Townsend and Crew, August 17, 1999: US05938698 (13 worldwide citation)

Areal spacers for prosthesis parts can be cemented into bones and enable a prosthesis part to be cemented in with a correction of the position of its functional surfaces without producing additional risks during the cementing. Since the spacers themselves consist of hardened bone cement, a secure, h ...