Dianne T Herrin

US Patent:

57412529, Apr 21, 1998

Filed:

Jun 10, 1997

Appl. No.:

8/872089

Inventors:

Michael Mazzio - Schwenksville PA
Beat Schenk - Paoli PA
Dianne Herrin - Brandamore PA

Assignee:

Synthes U.S.A. - Paoli PA

International Classification:

A61B 1762

US Classification:

606 54

Abstract:

A clamp for fixing bone pins or wires to an external frame is disclosed. The clamp has a central post, an upper vise plate and a lower vise plate urged together on the post, by a spring for provisional placement, a nut for positively locking the vise plates together on a frame, and a pin clamp that can be moved along the axis of the central post, and can receive and clamp either a bone pin or a bone wire. The pin or wire has unlimited angular movement in two planes. The clamp is a captive unit that requires no intraoperative assembly.