Detachable laser probe having reduced attenuation
First Claim
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1. A laser probe, including:
- a waveguide to transmit a laser light;
a metal pipe of a first shape having a dielectric thin film which is transparent at a wavelength band of said laser light be to transmitted, said dielectric thin film being coated on the inside wall of said metal pipe; and
means for connecting said metal pipe to the leading end of said waveguide;
wherein said metal pipe of the first shape connected to the leading end of said waveguide by said connecting means is replaced by a metal pipe of a second shape in accordance with change of a position to irradiate said laser light.
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Abstract
A medical laser probe having a dielectric thin film which is coated on the inside wall of a metal pipe and is transparent at a wavelength band of a transmitted laser light is disclosed. The laser probe is detachable to be disposed and reused and satisfies the required characteristics such as low loss transmission, non-toxicity, mechanical strength, heat resistance, moisture resistance, resistance to chemicals, echonomical efficiency, easy-to-use, and the like.
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Citations
16 Claims
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1. A laser probe, including:
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a waveguide to transmit a laser light; a metal pipe of a first shape having a dielectric thin film which is transparent at a wavelength band of said laser light be to transmitted, said dielectric thin film being coated on the inside wall of said metal pipe; and means for connecting said metal pipe to the leading end of said waveguide; wherein said metal pipe of the first shape connected to the leading end of said waveguide by said connecting means is replaced by a metal pipe of a second shape in accordance with change of a position to irradiate said laser light. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification