Eric C May

US Patent:

20120065475, Mar 15, 2012

Filed:

Apr 18, 2011

Appl. No.:

13/089133

Inventors:

J. Donald Hill - San Francisco CA, US
Geoffrey Briggs - Los Altos CA, US
Michael Sims - Montara CA, US
John Cvinar - Winchester MA, US
Andy H. Levine - Newton MA, US
Eric May - Norfolk MA, US
John Meade - Mendon MA, US

International Classification:

A61B 1/32

US Classification:

600210

Abstract:

A system for performing vascular surgery includes a first retractor blade and a second retractor blade and a fulcrum device. The first retractor blade includes a first grasping bar, and the second retractor blade comprises a second grasping bar. The first retractor blade and the second retractor blade are adapted to engage opposing edges of a subcostal incision in a patient. The fulcrum device includes a first fulcrum slot and a second fulcrum slot formed through opposing edges of the fulcrum device. The first fulcrum slot is adapted to receive the first grasping bar and the second fulcrum slot is adapted to receive the second grasping bar, such that the fulcrum device is adapted to apply leverage from the first retractor blade and the second retractor blade to spread the edges of the incision and to allow access to a chest cavity of the patient.

US Patent:

D2861542, Oct 14, 1986

Filed:

Jan 23, 1984

Appl. No.:

6/572811

Inventors:

William G. Moggridge - Palo Alto CA
Stephen R. Hobson - Palo Alto CA
Eric E. May - Los Altos CA
Michael T. Sherick - Thousand Oaks CA

Assignee:

Advanced Matrix Technology, Inc. - Newbury Park CA

US Classification:

D14111

US Patent:

20150209046, Jul 30, 2015

Filed:

Sep 9, 2014

Appl. No.:

14/481809

Inventors:

J. Donald Hill - San Francisco CA, US
Geoffrey BRIGGS - Los Altos CA, US
Michael SIMS - Montara CA, US
John CVINAR - Winchester MA, US
Andy H. LEVINE - Newton MA, US
Eric MAY - Norfolk MA, US
John MEADE - Mendon MA, US

International Classification:

A61B 17/11
A61M 1/36
A61B 1/313
A61B 17/02
A61B 1/00

Abstract:

A system for performing vascular surgery includes a first retractor blade and a second retractor blade and a fulcrum device. The first retractor blade includes a first grasping bar, and the second retractor blade comprises a second grasping bar. The first retractor blade and the second retractor blade are adapted to engage opposing edges of a subcostal incision in a patient. The fulcrum device includes a first fulcrum slot and a second fulcrum slot formed through opposing edges of the fulcrum device. The first fulcrum slot is adapted to receive the first grasping bar and the second fulcrum slot is adapted to receive the second grasping bar, such that the fulcrum device is adapted to apply leverage from the first retractor blade and the second retractor blade to spread the edges of the incision and to allow access to a chest cavity of the patient.