Lawrence E Griffith

US Patent:

8114020, Feb 14, 2012

Filed:

Aug 17, 2007

Appl. No.:

12/377802

Inventors:

Helmut Fricke - Meinersen, DE
Lawrence E. Griffith - Lakeville MN, US

International Classification:

A61B 19/00
A61B 17/02

US Classification:

600231, 600227

Abstract:

A surgical retractor fixing device including a clamp body arranged for removably fixing the surgical retractor fixing device to a frameset that extends along a frameset longitudinal axis and that is arranged to be mounted to an operating table, a rotating body attached to the clamp body, the rotating body being pivotable around an axis of rotation, the rotating body comprising a fixing element arranged for fixing a surgical retractor, where in that the fixing element is a releasable one-way fixing element.

US Patent:

20100178100, Jul 15, 2010

Filed:

Oct 3, 2007

Appl. No.:

12/444158

Inventors:

Helmut Fricke - Meinersen, DE
Lawrence E. Griffith - Lakeville MN, US

International Classification:

F16C 11/06
F15B 15/26

US Classification:

403 90, 92 15

Abstract:

A lockable joint such as a lockable ball-and-socket joint comprising a first arm () having a swivel head () and a socket (), the swivel head () being pivotably mounted to the socket (), and a locking device () arranged for locking the swivel head () with respect to the socket (), the locking device () having a piston (′), a pressure gas source (), and an actuating device () arranged for reversibly disconnecting the piston (′) from the pressure gas source () where in the pressure gas source is a gas cartridge ().

US Patent:

20150010341, Jan 8, 2015

Filed:

Jul 26, 2013

Appl. No.:

13/952218

Inventors:

HELMUT FRICKE - MEINERSEN, DE
LAWRENCE E. GRIFFITH - LAKEVILLE MN, US

International Classification:

F16C 11/06
F16J 9/26
F16J 9/28

US Classification:

403 90, 277434

Abstract:

A lockable joint such as a lockable ball-and-socket joint comprising a first arm having a swivel head and a socket, the swivel head being pivotably mounted to the socket, and a locking device arranged for locking the swivel head with respect to the socket, the locking device having a piston, a pressure gas source, and an actuating device arranged for reversibly disconnecting the piston from the pressure gas source where in the pressure gas source is a gas cartridge. A seal suitable at a wide range of temperatures and pressures can be used with at least the pressure gas source.