ALLEN H HOFFMAN
Engineering in Sterling Junction, MA
License number
Massachusetts 29225
Expiration Date
Jun 30, 2018
Type
Mechanical Engineer
Address
Address
Sterling Junction, MA 01564
Professional information
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
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
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.
Two Degree Of Freedom Powered Orthosis
US Patent:
8246559, Aug 21, 2012
Filed:
Sep 4, 2007
Appl. No.:
12/439555
Inventors:
Allen H. Hoffman - Sterling MA, US
Michael J. Scarsella - Sterling MA, US
Steven P. Toddes - Gettysburg PA, US
Daniel N. Abramovich - Chestnut Hill MA, US
Michael J. Scarsella - Sterling MA, US
Steven P. Toddes - Gettysburg PA, US
Daniel N. Abramovich - Chestnut Hill MA, US
Assignee:
Worcester Polytechnic Institute - Worcester MA
International Classification:
A61F 5/37, A61F 13/00, A61F 5/00, A61F 13/06
US Classification:
602 20, 602 5, 602 16, 602 60, 602 61, 602 62, 128846, 128869, 128878, 128881
Abstract:
Weakened and restricted limb movement is aided by powered orthosis having one or more independent dimensions of controlled movement and a control system.