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:
May. 07, 1991
Filed:
Jan. 08, 1990
Applicant:
Inventors:
Marc D Liang, Pittsburgh, PA (US);
Krishna Narayanan, Pittsburgh, PA (US);
Assignee:
Montefiore Hospital Association of Western Pennsylvania, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
128 / ; 604 22 ; 606131 ;
Abstract
Mammal skin having wrinkles can be treated to remove wrinkles by abrading elevated portions of the epithelial layer with an ultrasonic surgical tool adapted to abrade soft tissue. The subcutaneous tissue in the selected region is medicated by subcutaneous injection of anaesthetic, vaso constrictor and spreading factor in effective quantities.