David A Gerber

US Patent:

7780731, Aug 24, 2010

Filed:

Nov 26, 2004

Appl. No.:

10/996797

Inventors:

Theirry Marnay - Castelnau le Lez, FR
John Paul Furda - Hamilton NJ, US
David Gerber - West Chester PA, US

Assignee:

Spine Solutions, Inc. - West Chester PA

International Classification:

A61F 2/44

US Classification:

623 1711

Abstract:

An intervertebral implant device includes an upper part, a lower part and a core element. The upper part includes an upper surface for engaging a vertebrae and a lower surface which includes a convex portion. The lower part includes a lower surface for engaging a vertebrae and an upper surface having a convex portion. The core element has an upper concave portion to operatively engage with the convex portion on the upper part and a lower concave portion to operatively engage with the convex portion of the lower part. Limited universal movement and translational movement is provided between the upper part and lower part.

US Patent:

20060004398, Jan 5, 2006

Filed:

Jul 2, 2004

Appl. No.:

10/884705

Inventors:

Lawrence Binder - Doylestown PA, US
David Gerber - West Chester PA, US

International Classification:

A61M 29/00

US Classification:

606191000

Abstract:

The present invention is directed to a sequential dilator for use in surgery and a method for using the sequential dilator. The sequential dilator may have a bullet-shaped dilator and a plurality of dilator tubes with a removable handle. The method may include inserting a guide wire through an incision into a patient's vertebra and subsequently inserting the bullet-shaped dilator and dilator tubes with tapered ends and of increasing size into the incision to increase the size of the incision. A kit including the components necessary for the method is also disclosed.