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:
Dec. 14, 1999
Filed:
Apr. 24, 1998
Applicant:
Inventors:
Alan de la Rama, Cerritos, CA (US);
Weng-Kwen Raymond Chia, Irvine, CA (US);
Hosheng Tu, Tustin, CA (US);
Assignee:
Irvine Biomedical, Inc., Irvine, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61N / ; A61B / ; A61B / ;
U.S. Cl.
CPC ...
606 41 ; 600374 ; 607101 ; 607122 ;
Abstract
A catheter system suitable for electrophysiology mapping and radiofrequency ablation of cardiac tissue comprises a catheter shaft having a distal end, a proximal handle, and at least a lumen extending therebetween, wherein a distal section of the shaft is either a fixed curve type or a deflectable type; and safety means being provided to maintain the integrity of the catheter by holding the long tip electrode in place, wherein the safety means is a long tip electrode with an extended flexible stem having at least one open groove or slot on the stem.