EP0069351A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Hand piece for use with surgical laser knife device
Assignee: Sumitomo Electric Industries Ltd
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Filing: 1982-07-01
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Granted: —
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Expires: 2002-07-01
Abstract
Abstract A hand piece for use with a laser knife device utilizing an optical fibre as an optical waveguide, comprising a semiflexible or movable tube adapted to receive an end portion of the optical fibre so that an end of the optical fibre is held at around an end of said tube and a holder portion adapted to receive the optical fibre and having one end connected to the other end of said tube.
Inventors
- 👤 Murakami C/O Sumitomo Electric Ind. Ltd. Kazuhito
- 👤 Takahashi C/O Sumitomo Electric Ind. Ltd. Kenichi
- 👤 Takenaka C/O Sumitomo Electric Ind. Ltd. Shinya
- 👤 Sunato C/O Sumitomo Electric Ind. Ltd. Katsuyoshi
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-23 20:41
CPC Classifications
A; A61; A61B; A61B18/00; A61B18/18; A61B18/20; A61B18/22; A61B2018/00005; A61B2018/00053; A61B2018/00172; A61C; A61C1/00; A61C1/0046
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
74 words
A hand piece for use with a laser knife device utilizing an optical fibre as an optical waveguide, com- prising a semiflexible or movable tube adapted to receive an end portion of the optical fibre so that an end of the optical fibre is held at ardund an end of said tube and a holder portion adapted to receive the optical fibre and having one end connected to the other end of said tube.
Claim 2
Dependent Claim
74 words
A hand piece for use with a laser knife device utilizing an optical fibre as an optical waveguide, com- prising a semiflexible or movable tube adapted to receive an end portion of the optical fibre so that an end of the optical fibre is held at ardund an end of said tube and a holder portion adapted to receive the optical fibre and having one end connected to the other end of said tube.
Claim 3
Dependent Claim
25 words
A hand piece as claimed in claim 1, wherein said holder portion is formed therein with a cooling medium passage for cooling said holder portion.
Claim 4
Dependent Claim
18 words
A hand piece as claimed in Claim 1 or 2, wherein the laser is a C0 2 laser.
Claim 5
Dependent Claim
44 words
A hand piece as claimed in claim 1, 2 or 3, wherein said holder portion has the other end threaded and includes a cap adapted to be screwed through an 0 ring onto said the other end to thereby fixen the optical fibre therein.
Claim 6
Dependent Claim
34 words
A hand piece as claimed in any of the preceding claims, wherein said tube is bent or pivotted to make a direction of laser beam emission different from an axis of said holder portion.
References Cited (Backward Citations)
No citation records indexed.
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