RICHARD A DOPPLER
Engineering in Worcester, MA

License number
Massachusetts 13902
Issued Date
Jun 26, 1992
Type
Engineer in Training
Address
Address
Worcester, MA 01604
LicenseFiles verified this license of Nov 24, 2016 at the Mass.gov - Consumer Affairs and Business Regulation.

Professional information

Richard Doppler Photo 1

Tissue Spreading Forceps

US Patent:
5449374, Sep 12, 1995
Filed:
Apr 1, 1993
Appl. No.:
8/042397
Inventors:
Raymond M. Dunn - Shrewsbury MA
Allen H. Hoffman - Sterling MA
Richard Doppler - Worcester MA
Marc G. Casseres - Worcester MA
Assignee:
University of Massachusetts Medical Center - Worcester MA
Worcester Polytechnic Institute - Worcester MA
International Classification:
A61B 1728
US Classification:
606208
Abstract:
A tissue spreading forceps for gripping and spreading tissue include two gripping members which are secured to each other by a spring and are rotatable in relation to each other about a pivot. Initial pressure to the spring causes the gripping members to close and grip tissue at two locations. Additional pressure applied to the spring causes the gripping members to spread apart in relation to each other, thereby spreading the tissue.

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