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EP0368512A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Multiwavelength medical laser system

Assignee: Premier Laser Systems Inc
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Filing: 1989-10-26
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Granted: —
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Expires: 2009-10-26
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Abstract

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.

Inventors

  • 👤 Robert J. Freiberg

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-30 17:33
CPC Classifications
A; A61; A61B; A61B18/00; A61B18/18; A61B18/20; A61B18/22; A61B18/24; A61B17/00; A61B17/11; A61B17/24; A61B18/201; A61B17/00491; A61B2017/00504; A61B2017/00508; A61B2017/00973; A61B2018/00005; A61B2018/00011; A61B2018/00017; A61B2018/2015; A61B2018/2025; A61B2018/2065; A61B2018/2075

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 46 words
A medical system (10) for transmitting energy to a tissue site characterized by at least two sources of therapeutic radiant energy and means including at least one zirconium fluoride optical fiber (22) defining a common optical path for delivering therealong said energy to said tissue site.
Claim 2
Dependent Claim 46 words
A medical system (10) for transmitting energy to a tissue site characterized by at least two sources of therapeutic radiant energy and means including at least one zirconium fluoride optical fiber (22) defining a common optical path for delivering therealong said energy to said tissue site.
Claim 3
Dependent Claim 54 words
The system according to claim 1 characterized in that said energy sources comprise a) at least one laser selected from the group consisting of a tissue cutting laser and a tissue ablating laser; and b) at least one laser selected from the group consisting of a tissue coagulating laser and a tissue anastomosing laser.
Claim 4
Dependent Claim 30 words
The system according to claim 2 characterized in that said cutting laser and said ablating laser have a wavelength in the range of from about 2.0 to about 4.0 microns.
Claim 5
Dependent Claim 20 words
The system according to claim 3 characterized in that said wavelength is about 2.9 microns generated by an Erbium laser.
Claim 6
Dependent Claim 20 words
The system according to claim 3 characterized in that said wavelength is about 2.1 microns generated by a Holmium laser.
Claim 7
Dependent Claim 30 words
The system according to claim 2 characterized in that said coagulating laser and said anastomosing laser have a wavelength in the range of from about 0.3 to about 2.0 microns.
Claim 8
Dependent Claim 20 words
The system according to claim 6 characterized in that said wavelength is about 1.06 microns generated by a Neodymium laser.
Claim 9
Dependent Claim 20 words
The system according to claim 6 characterized in that said wavelength is about 1.32 microns generated by a Neodymium laser.
Claim 10
Dependent Claim 23 words
The system according to claim 1 further characterized by a source of visible light for aiming said energy delivered to said tissue site.
Claim 11
Dependent Claim 26 words
The system according to claim 1 characterized in that said means comprises a laser catheter (12) including means for focusing energy delivered to said tissue site.

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