Catheter

Details Catheter Catheter

1989-08-30

1991-03-05

Cohen, Lee S.

Surgery

Instruments

Light application

A61B 1736

Patent

active

049974319

ABSTRACT:
A technique for percutaneous treatment of idiopathic hypertropic subaortic stenosis (IHSS) and hypertrophic cardiomyopathy (HCM). IHSS and HCM are diseases of the heart in which the septum of the left ventricle thickens resulting in reduced ventricular performance. Current treatments involve drug therapy or a medical intervention called an interoperative myotomy/myectomy using the Morrow procedure. The present invention uses laser energy delivered via fiber optics placed percutaneously to irradiate the thickened septum to reduce tissue volume of the septum and enhance left ventricular function.

REFERENCES:
patent: 4785815 (1988-11-01), Cohen
patent: 4854315 (1989-08-01), Stack et al.
Isner et al., "Lasers: The Potential . . . ", Cardiovascular Medicine, May 1985, pp. 23-25, 38-30, 37.
Lee et al., "Effects of Laser Radiation . . . ", Am H. J., Sep. 1983, pp. 587-590.

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