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:
Jan. 05, 1993
Filed:
Oct. 25, 1990
Applicant:
Inventor:
A Glen Brisson, Kildeer, IL (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604-8 ; 604281 ; 604-9 ; 604 10 ;
Abstract
A ureteral stent is nominally straight, but is provided with a coil adjacent one end to prevent migration. The coil portion is straightened upon insertion into the ureter on a guide wire, and is supposed to coil after insertion to prevent migration. An electronic signal is provided when such coiling does take place, and is applied to externally human descernable structure such as a meter. Various embodiments of the invention are disclosed, and may include a metallic cylinder embedded in the end of the stent and disposed adjacent a coil within the straight portion of the stent for inductive relation when the coiled portion has properly coiled following insertion.