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:
Aug. 07, 1990
Filed:
Nov. 25, 1988
Applicant:
Inventor:
Edwin Langberg, Medford, NJ (US);
Assignee:
Sensor Electronics, Inc., Mt. Laurel, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B / ; A61N / ;
U.S. Cl.
CPC ...
128642 ; 128401 ; 128786 ; 128804 ; 606 33 ;
Abstract
Radiofrequency (RF) heating applicator, located at the distal end of a coaxial line catheter, produces deeper and more uniform heat dissipation. The active applicator element is a conductor helix fed via the coaxial line. The applicator has provisions for interception of intracardiac electrogram signal. A cardiac ablation system using the above catheter, ablates cardiac tissue responsible for ventricular tachycardia. The ablation system provides means to monitor intracardiac electrograms and to control the RF power. A variation of the helical applicator can be used in a hyperthermia system for treatment of malignant tumors.
Published as:
CA2003689A1; WO9006079A1; AU4660189A; US4945912A; EP0445223A1; EP0445223A4; JPH04503907A; US5246438A; AU4187893A; AU645486B2; US5370644A; EP0745354A2; EP0745354A3; EP0445223B1; ATE150274T1; DE68927892D1;