Michael M Jacobs

US Patent:

49368532, Jun 26, 1990

Filed:

Jan 11, 1989

Appl. No.:

7/295845

Inventors:

Dennis F. Fabian - Short Hills NJ
William C. Kim - Los Angeles CA
Rick W. Basset - Los Fresnos TX
Michael A. Jacobs - Baltimore MD

Assignee:

Kirschner Medical Corporation - Timonium MD

International Classification:

A61F 238

US Classification:

623 20

Abstract:

The present invention relates to an implantable knee joint prosthesis which is designed to replace the engaging surfaces of the femur and tibia of a dysfunctional human knee joint. In its most general form, the invention comprises an implantable knee joint prosthesis having a tibial stem portion, a tibial tray portion, an interchangeable modular articulating surface member which is removably attached to the tibial tray portion, and a femoral portion adapted to cooperatively bear upon the articulating surface. The invention also features a dual locking mechanism which attaches the articulating surface to the tibial tray portion by means of a locking lip and flange arrangement together with a locking screw which fits into the tibial stem portion.

US Patent:

53374835, Aug 16, 1994

Filed:

Apr 29, 1993

Appl. No.:

8/054724

Inventors:

Michael Jacobs - Elmwood Park NJ

International Classification:

R26B 300

US Classification:

3016495

Abstract:

A glass cutter is provided having a rectangular body preferably of a transparent plastic. A cutter wheel is mounted inward from the forward edge of the body. The lower surface of the forward portion of the body is inclined upwardly and outwardly to the upper surface of the body to allow the glass cutter to be held at an angle to glass being cut. Additionally, the body of the glass cutter may be of a transparent material and may include an aperture to facilitate viewing a line along which a cut is to be made.