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. 12, 1993
Filed:
Sep. 24, 1990
R Edward Winters, Andover, MA (US);
Advanced Biomedical Devices, Inc., Lawrence, MA (US);
Abstract
A single lumen catheter used alone or in multiples of various diameters in a coaxial disposition over a guidewire or catheter having a means to occlude the distal opening of the single lumen catheter. Each single lumen catheter includes a flexible tube and a balloon disposed about the exterior of the single lumen catheter near the distal end, and a opening in the tube to permit fluid communication into the balloon from the interior of the single lumen catheter. Alternate embodiments include an interior fluted collar upon which the balloon of the inner catheter abuts, forming an orifice providing a selected fluid flow into the catheter. Thus, the single lumen catheters provide a steerable guidewire system having a greater selection of catheters without requiring an inner lumen.