Larry Ray Swanson

US Patent:

D3602613, Jul 11, 1995

Filed:

Jun 18, 1993

Appl. No.:

D/009703

Inventors:

Larry S. Swanson - Grand Rapids MI
Lawrence J. Burns - Grand Rapids MI

US Classification:

D24135

US Patent:

53927648, Feb 28, 1995

Filed:

Jun 18, 1993

Appl. No.:

8/079367

Inventors:

Larry S. Swanson - Kentwood MI
Lawrence J. Burns - Grand Rapids MI

International Classification:

A61B 130
A61M 2900

US Classification:

128 3

Abstract:

A gynecological speculum for insertion through a vaginal orifice into a vaginal cavity for performing medical examinations or surgical procedures. The gynecological speculum comprises a tubular section having an open insertion end and an open user end and an interior surface and an exterior surface. A projection is provided on the exterior surface to engage the vaginal orifice and retain the speculum within the vaginal cavity after insertion. In a preferred embodiment, the tubular section tapers outwardly from the open insertion end to the open user end. In an alternative embodiment, a vacuum tube is connected to the tubular section for a evacuating the vaginal cavity by suction during medical proceedings.

US Patent:

56690940, Sep 23, 1997

Filed:

Feb 27, 1996

Appl. No.:

8/607832

Inventors:

Larry Sven Swanson - Kentwood MI

International Classification:

A47C 2715

US Classification:

5740

Abstract:

A mattress comprises a top layer of visco-elastic polyurethane foam having a low rebound property and which is temperature sensitive and having a thickness of approximately 1/2 to 11/2 inches; a second layer of latex foam having vertical bores and a thickness of approximately 2 to 4 inches; and a third layer of resilient material having a thickness of approximately 3 to 7 inches.