Method of laser surgery using multiple wavelengths
First Claim
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1. A surgical method, comprising:
- generating a first beam of pulsed electromagnetic energy having a first wavelength of approximately three microns;
generating a second beam of electromagnetic energy having a second wavelength in a visible portion of the optical spectrum;
generating a third beam of electromagnetic energy having a third wavelength of about one micron;
coupling the electromagnetic energy of the first, second and third wavelengths to an optical fiber comprised of a compound that includes a metal such that said first, second and third wavelengths may be simultaneously transmitted through the optical fiber;
simultaneously directing energy of said first, second, and third wavelengths from a distal end of the optical fiber against tissue;
directing a fluid on said distal end of the optical fiber to cool said distal end;
using the energy at the first and third wavelengths to perform cutting and coagulating of the tissue.
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Abstract
A medical system for transmitting and delivering to a tissue site multiwavelength therapeutic radiant energy along a common optical pathway. Also included is a laser catheter suitable for engaging multiple sources of laser energy and transmitting multiwavelength therapeutic laser energy along a common optical path for delivery to a worksite.
243 Citations
5 Claims
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1. A surgical method, comprising:
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generating a first beam of pulsed electromagnetic energy having a first wavelength of approximately three microns; generating a second beam of electromagnetic energy having a second wavelength in a visible portion of the optical spectrum; generating a third beam of electromagnetic energy having a third wavelength of about one micron; coupling the electromagnetic energy of the first, second and third wavelengths to an optical fiber comprised of a compound that includes a metal such that said first, second and third wavelengths may be simultaneously transmitted through the optical fiber; simultaneously directing energy of said first, second, and third wavelengths from a distal end of the optical fiber against tissue; directing a fluid on said distal end of the optical fiber to cool said distal end; using the energy at the first and third wavelengths to perform cutting and coagulating of the tissue. - View Dependent Claims (2, 3, 4, 5)
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Specification