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:
Sep. 06, 1994
Filed:
Feb. 19, 1993
Applicant:
Inventor:
Shinji Hara, Tokyo, JP;
Assignee:
Japan Crescent, Inc., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604 96 ; 604 21 ; 606192 ;
Abstract
A heated balloon catheter for treatment of constricted zones of body fluid passages by applying heat and pressure to the constricted zone. The heat is generated by transmitting, to an antenna within a balloon carried by the catheter, radio frequency energy of about 13.56 MHz. Measuring the temperature of the balloon inflating fluid and controlling the temperature of the balloon inflating fluid to prevent overheating of the zone being treated and providing an alarm if the balloon leaks or bursts.