Ratcheting mechanism for tightening cuff or blood pressure monit

Details Ratcheting mechanism for tightening cuff or blood pressure monit Ratcheting mechanism for tightening cuff or blood pressure monit

1991-01-11

1993-02-23

Cohen, Lee S.

Surgery

Truss

Pad

128686, 7450105R, 74502, 74422, A61B 5022

Patent

active

051881152

ABSTRACT:
A ratcheting device for use in tightening the cuff of a blood pressure monitor has a lever, a lever mounting which is attached to one end of the cuff and which holds the lever so that it can be moved in a given direction or an opposite direction. An elastic body is disposed between the lever and the lever mounting to transmit a force applied to the lever into the lever mounting by elastic deformation of the elastic body. Interdental spaces are formed between saw teeth on the inner surface of a cam and extend in the given and opposite directions in which the lever moves. A ratchet having pawls thereon which can engage with the interdental spaces is provided; this rachet is immobilized by the engagement of the pawls in the interdental spaces when the pressure applied to the lever exceeds a given value.

REFERENCES:
patent: 2714379 (1955-08-01), Raines et al.
patent: 4308871 (1982-05-01), Shouda et al.
patent: 4850369 (1989-07-01), Yamasawa
patent: 5107848 (1992-04-01), Oku

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