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. 10, 1995
Filed:
Dec. 09, 1991
Applicant:
Inventor:
Massoud Ahmadzadeh, Neuenkirchen, DE;
Assignee:
Willy Rusch AG, Kernen i.R., DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M / ; A61F / ;
U.S. Cl.
CPC ...
604-9 ; 623 12 ; 604-8 ;
Abstract
An ureteral catheter has an elongated shaft and a lumen for drainage, the shaft has a first end with a pigtail and several openings therein, whereby the openings communicate with the lumen and the shaft has a second end with an open tip in the valve mechanism, wherein the open tip on the second end has an extendable folded shaft section and the shaft further comprises a retainer system within the valve mechanism and wherein the retainer system comprises a section, integral with the shaft, which is split into two half shafts, the half shafts being spaced apart from one another, in an unloaded mode, in a direction transverse to the lumen.