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US 5,304,167 AGranted
Multiwavelength medical laser method
AssigneePremier Laser Systems, Inc.
InventorRobert J. Freiberg
Life of this patent
Estimating the term…
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.
Claims15
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;
- coupling the electromagnetic energy of the first and second wavelengths to a fluoride optical fiber such that said first and second wavelengths are simultaneously transmitted through said fiber;
- directing energy from a distal end of the fluoride optical fiber into an optically transparent member comprised of material different than said optical fiber;
- using said optically transparent member to focus the first beam of energy;
- and
- placing said optically transparent member into contact with tissue and using the energy at the first wavelength to perform surgery on the tissue.
4 more elements
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;
- coupling the electromagnetic energy of the first and second wavelengths to a fluoride optical fiber such that said first and second wavelengths are simultaneously transmitted through said fiber;
- generating a third beam of energy having a third wavelength of approximately one micron, and coupling said third beam to said fluoride optical fiber;
- directing energy from a distal end of the fluoride optical fiber into an optically transparent member comprised of material different than said optical fiber;
- and
- placing said optically transparent member into contact with tissue and using the energy at the first wavelength to perform surgery on the tissue.
4 more elements
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;
- coupling the electromagnetic energy of the first and second wavelengths to an optical fiber comprised of a compound that includes a metal such that said first and second wavelengths are simultaneously transmitted through said fiber;
- directing energy from a distal end of the optical fiber into an optically transparent member comprised of material different than said optical fiber;
- using said optically transparent member to focus the first beam of energy;
- and
- directing energy of said first wavelength from said optically transparent member against tissue to perform surgery on the tissue.
4 more elements
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;
- coupling the electromagnetic energy of the first and second wavelengths to an optical fiber comprised of a compound that includes a metal such that said first and second wavelengths are simultaneously transmitted through said fiber;
- generating a third beam of energy having a third wavelength of approximately one micron, and coupling said third beam to said optical fiber;
- directing energy from a distal end of the optical fiber into an optically transparent member comprised of material different than said optical fiber;
- directing energy of said first wavelength from said optically transparent member against tissue to cut the tissue;
- and
- directing energy of the third wavelength from said optically transparent member against tissue to coagulate the tissue.
5 more elements
Dependencies are inferred from the claim text.