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:
Dec. 19, 1995
Filed:
Jul. 05, 1994
Applicant:
Inventor:
Bruce C Johnson, St. Paul, MN (US);
Assignee:
Creative Integration & Design, Inc., St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M / ; A61M / ; A61M / ; A61F / ;
U.S. Cl.
CPC ...
12820024 ; 12820718 ; 606199 ; 60620445 ; 602 54 ; 602 56 ; 602 58 ;
Abstract
A dilator formed with a truss with a pair of spaced-apart end surfaces that provides a restoring force therebetween if forced toward one another, this restoring force provided by a resilient band extending between the opposite ends of the truss with a plurality of notches at each end thereof. The notches exceed at least a third of the thickness of the band. A second and similar band may also be provided in the truss.