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:
Aug. 19, 1980
Filed:
Jul. 20, 1978
Applicant:
Inventors:
Chedomir Radovan, Woodland Hills, CA (US);
Rudolf R Schulte, Goleta, CA (US);
Assignee:
Heyer-Schulte Corporation, Goleta, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
128 / ; 3-1 ; 3-12 ;
Abstract
An expansion device for temporary implantation beneath the skin and subcutaneous layer, there to be enlarged whereby to increase the surface area of tissue which overlays it, to provide a flap for use in plastic and reconstructive surgery. The device comprises an envelope with a substantially non-extensible base and a cover. Together the base and cover form an envelope. The cover is flexible, and when empty it is slack. The volume of the envelope is adjustably variable as a function of the amount of fluid it contains. Means is provided for admitting fluid to the envelope without puncturing the base or the cover.