Robert E Bray

US Patent:

45962430, Jun 24, 1986

Filed:

May 25, 1983

Appl. No.:

6/498093

Inventors:

Robert S. Bray - Fullerton CA

International Classification:

A61F 504

US Classification:

128 92EB

Abstract:

Surgical methods and apparatus for craniotomy flap removal and other delicate bone removal procedures utilizing a core drill driven in such a manner as to give a recognizable indication of near-penetration of the bone surface addressed, thereby preventing injury to highly delicate underlying tissues.

US Patent:

6235034, May 22, 2001

Filed:

Oct 23, 1998

Appl. No.:

9/177885

Inventors:

Robert S. Bray - Los Angeles CA

International Classification:

A61B 1756

US Classification:

606 71

Abstract:

A bone plate comprises a base plate having at least two screw holes and at least two bone screws capable of securing the bone plate to a bone by insertion through the screw holes into the bone. The bone screws have heads shaped to toggle within the screw holes. A retaining plate is provided that is fixedly attachable to the base plate. The retaining plate covers at least a portion of each of the bone screws. The retaining plate and base plate each contain set screw apertures. A set screw is provided to retain the retaining plate in place over the base plate by screwing the set screw through the set screw apertures in the retaining plate and base plate. This design prevents the bone screw from backing out from the bone once screwed in through the base plate.

US Patent:

47653337, Aug 23, 1988

Filed:

Jun 13, 1984

Appl. No.:

6/620062

Inventors:

Robert S. Bray - Fullerton CA

International Classification:

A61F 1732

US Classification:

1283051

Abstract:

Surgical methods and apparatus for craniotomy flap removal and other delicate bone removal procedures utilizing a core drill driven in such a manner as to give a recognizable indication of near-penetration of the bone surface addressed, thereby preventing injury to highly delicate underlying tissues.