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.

Date of Patent:
Mar. 01, 1988

Filed:

May. 21, 1986
Applicant:
Inventor:

Helmut Masch, San Jose, CA (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
604 22 ; 604 43 ; 604267 ; 128304 ; 128305 ; 128772 ;
Abstract

An intravascular catheter includes a flexible guide wire mounted for relative rotational and reciprocal movements within a reciprocal and flexible first tube. A rotary and flexible second tube is mounted on the first tube to define an annular passage therebetween and has a rotary inner cutting head secured on a distal end thereof. The inner cutting head is closely fitted within an outer cutting head that is secured on the first tube. The cutting heads are adapted to cut a blockage in a blood vessel into fragments in response to rotation of the second tube and inner cutting head. The fragments are flushed-out from the inner cutting head and are conveyed away from the cutting heads and through the annular passage by facing spiral threads defined on the first and second tubes.

Published as:

Find Patent Forward Citations

Masch, Helmut. (1988). Intravascular catheter (U.S. Patent No. 4728319). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4728319

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…