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. 06, 1984
Filed:
Jul. 26, 1982
Applicant:
Inventors:
Vladimir A Stoy, Princeton, NJ (US);
George P Stoy, Princeton, NJ (US);
Assignee:
Health Products Research, Inc., Somerville, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
128341 ; 128130 ;
Abstract
There is disclosed a cervical canal swelling device having an essentially cylindrically shaped stem formed in major portion thereof of a dehydrated hydrogel having a swelling capacity of 0.01 to 0.25 and an enforced unimaxial deformation of at least 1.1 and sized to a diameter of from 2 to 10 mm. and to a length of from 35 to 150 mm.