Gerald L Metcalf

age ~64

from Northfield, MN

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Gerald Metcalf Phones & Addresses

Trocar
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US Patent:

D3495744, Aug 9, 1994
Filed:

Oct 9, 1992
Appl. No.:

D/000350
Inventors:

Gerald L. Metcalf - Burnsville MN
Alan K. Plyley - Santa Barbara CA
John M. Barker - Ventura CA
Assignee:

Minnesota Mining and Manufacturing Company - St. Paul MN
US Classification:

D24146

Trocar
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US Patent:

55339778, Jul 9, 1996
Filed:

Mar 7, 1995
Appl. No.:

8/400460
Inventors:

Gerald L. Metcalf - Burnsville MN
Bradley C. Poff - White Bear Lake MN
John M. Barker - Ventura CA
Assignee:

Origin Medsystems, Inc. - Menlo Park CA
International Classification:

A61M 5178
A61M 2500
US Classification:

604164
Abstract:

A trocar for placement in the lumen of a cannula to facilitate inserting the cannula through tissue is disclosed. The trocar has an improved trigger/obturator assembly wherein the trigger comprises tissue cam parts each having (a) planar outer surfaces, and (b) an arcuate end portion at the distal end of the trigger including a distal edge surface that is arcuate about an axis normal to the outer surfaces. The arcuate end portions intersect at edge surfaces which are obscured by the arcuate end portions.

Trocar With Replaceable Obturator
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US Patent:

54053285, Apr 11, 1995
Filed:

Sep 17, 1993
Appl. No.:

8/123319
Inventors:

Claude Vidal - Santa Barbara CA
Russell J. Redmond - Goleta CA
Gerald L. Metcalf - Burnsville MN
Assignee:

Minnesota Mining and Manufacturing Company - St. Paul MN
International Classification:

A61B 1734
US Classification:

604158
Abstract:

A kit assembly for use to construct a desired trocar obturator used during a surgical procedure is disclosed. The kit includes a proximal portion of the obturator and a plurality of different distal end portions. The proximal portion may be releasably attached to a distal portion by virtue of a detent mechanism. Reuse of the proximal portion affords potential cost savings. The plurality of distal end portions affords the surgeon a choice between different trocar tips so that the trocar may be customized for a particularly surgical procedure.

Kit Assembly For Use During A Laparoscopic Surgical Procedure
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US Patent:

54530946, Sep 26, 1995
Filed:

Sep 17, 1993
Appl. No.:

8/123351
Inventors:

Gerald L. Metcalf - Burnsville MN
Vern E. Radewald - Maplewood MN
Melinda K. Samples - Roseville MN
Kraig M. Keister - Bloomington MN
George L. Sommerfeld - Shoreview MN
Alan J. Solyntjes - Richfield MN
Assignee:

Minnesota Mining and Manufacturing Company - St. Paul MN
International Classification:

A61M 500
US Classification:

604164
Abstract:

A kit assembly for use during a laparoscopic surgical procedure. The kit assembly may have a plurality of cannula or a plurality of trocar assemblies. The kit assembly affords the convenient use of different types of trocar or cannula assemblies during a laparoscopic surgical procedure.

Imaging Unit Container Having Shiftable Walls
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US Patent:

56603843, Aug 26, 1997
Filed:

Nov 23, 1994
Appl. No.:

8/344462
Inventors:

Melinda K. Kovach - Woodbury MN
Gerald L. Metcalf - Burnsville MN
Stuart J. Wyman - St. Paul MN
Kenneth J. Hagen - Woodbury MN
Norman Herauf - Roseville MN
Assignee:

Minnesota Mining and Manufacturing Company - St. Paul MN
International Classification:

B65H 100
US Classification:

271145
Abstract:

A container and a method of using the container for storing sheets of material, such as photosensitive materials, enables individual sheets to be transported from the container to an imaging unit by a feed mechanism of the imaging unit. The container fits within the imaging unit to provide a light-tight environment for the photosensitive material. The container includes shiftable walls, including a front ramp which can have a serrated surface to separate sheets. The container also includes a clamping components to allow for the removal of a light-tight bag which encloses the sheets.