Brattle Instrument Corporation

David G Tweed

Eric LaWhite

A tocodynamometer for providing an electrical output related to body surface displacement of a patient, comprising, a housing, a patient contacting member, a support assembly mounting the member for controlled movement relative to the housing in response to the displacement, and an electro-optical transducer assembly for converting the controlled movement into the electrical output, the transducer assembly comprising relatively movable members one of which is coupled to the patient contacting member for movement therewith to vary the output in response to the controlled movement. In another aspect the support assembly comprises at least one planar spring element having a first portion fixed to the housing and a second portion fixed to the member.

Growing community of inventors

Stoneham, MA, United States of America

David G Tweed