04118805 is referenced by 139 patents and cites 4 patents.

An improved artificial sphincter for occluding a duct. The basic sphincter includes means to increase the occlusive force about the duct and means to control the increase of such occlusive force. To protect the duct from excessive or damaging occlusion the basic sphincter is improved by including means for preventing increase of the occlusive force about the duct beyond a predetermined position. An additional improvement includes means for adjusting the occlusive means after the sphincter has been implanted in a human or animal body to account for variations in fit about different ducts.

Title
Artificial sphincter
Application Number
5/773085
Publication Number
4118805
Application Date
February 28, 1977
Publication Date
October 10, 1978
Inventor
Harry G Reimels
Braintree
MA, US
Agent
Richard J Rodrick
Assignee
Codman & Shurtleff
MA, US
IPC
A61B 17/00
A61F 1/00
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