The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 01, 1977
Filed:
Apr. 01, 1976
Applicant:
Inventors:
Pierre Theodore Rey, Thorigny, FR;
Jacqueline Agathe Leandri, Paris, FR;
Clement Claude Abbou, Fontenay S/Bois, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F / ; A61B / ;
U.S. Cl.
CPC ...
128 / ; 128D / ; 128260 ; 417389 ; 417472 ; 3-1 ;
Abstract
A control device in implantable sub-cutaneously for use in medicine and surgery. It is actuable by pressing on a sub-cutaneous membrane. It comprises a first chamber closed by the membrane which is placed on one surface of its casing and contains an incompressible fluid, and a second chamber, containing a gas and housing two coaxial bellows connected at their free ends. One of the bellows communicates with the first chamber and the second bellows communicates with a flexible duct going to the duct or cavity to be controlled.