JPH0282316U

JPH0282316U -

Info

Publication number: JPH0282316U
Application number: JP16136688U
Authority: JP
Priority date: 1988-12-12
Filing date: 1988-12-12
Publication date: 1990-06-26
Anticipated expiration: 2003-12-12
Also published as: JPH067690Y2

Description

[Brief explanation of drawings]

第１図はこの考案にかかる歯科用レーザーハン
ドピースの一例を示す全体外観側面図、第２図は
第１図の線部の拡大半縦断側面図、第３図は第
１図の線部の拡大縦断側面図、第４図は第３図
の―線に沿つた拡大断面図、第５図はガイド
用パイプの抜出し状態を示す一部切欠き縦断側面
図、第６図は第３図の変形構造を示す拡大縦断側
面図、第７図および第８図は別の実施例を示し、
第７図は第１図の線部に相当する拡大半縦断側
面図、第８図は第１図の線部に相当する拡大縦
断側面図、第９図は第８図の―線に沿つた拡
大断面図、第１０図は第８図の変形構造を示す拡
大縦断側面図、第１１図はこの考案のもう１つの
実施例を示す要部の拡大側面図である。（符号の説明）、１，１Ａ……導光フアイバー
、４……ハンドグリツプ、５……ガイド用パイプ
、６……コンタクトプローブ、９，９Ａ，９Ｂ…
…冷却空気通路、１９……スリーブ。 Fig. 1 is an overall external side view showing an example of the dental laser handpiece according to this invention, Fig. 2 is an enlarged half-longitudinal side view of the lined part in Fig. 1, and Fig. 3 is an enlarged half-longitudinal side view of the lined part in Fig. 1. 4 is an enlarged sectional view taken along the line - in FIG. 3, FIG. 5 is a partially cutaway vertical side view showing the guide pipe in its pulled out state, and FIG. 6 is an enlarged sectional view taken along the line - in FIG. Enlarged longitudinal side views showing the deformed structure, FIGS. 7 and 8 show another embodiment,
Fig. 7 is an enlarged half-longitudinal side view corresponding to the line in Fig. 1, Fig. 8 is an enlarged longitudinal sectional side view corresponding to the line in Fig. 1, and Fig. 9 is an enlarged half-longitudinal side view corresponding to the line in Fig. 8. FIG. 10 is an enlarged longitudinal sectional view showing a modified structure of FIG. 8, and FIG. 11 is an enlarged side view of main parts showing another embodiment of the invention. (Explanation of symbols), 1, 1A... Light guiding fiber, 4... Hand grip, 5... Guide pipe, 6... Contact probe, 9, 9A, 9B...
...cooling air passage, 19...sleeve.

Claims

[Scope of Claim for Utility Model Registration] (1) A light guide fiber connected to a laser generator, at least a handgrip incorporating the light guide fiber, and a light guide fiber protruding from the handgrip toward the distal end. and a fiber guide pipe extending from the hand grip, and a light input end face opposite to the light output end face at the tip of the light guide fiber, and the laser beam incident from the light input end face is emitted from the tip end. A dental laser handpiece, comprising a contact probe attached to the tip of the guide pipe, and the guide pipe is configured to be attachable to and detachable from a handgrip. (2) The dental laser handpiece according to claim 1, wherein the contact probe is configured to be detachable from the guide pipe. (3) The dental laser handpiece according to claim 1, wherein the annular space between the guide pipe and the light guiding fiber portion fitted therein is configured as a cooling air passage. (4) The dental laser handpiece according to claim 1 or 2, wherein a sleeve is attached to the tip of the light guide fiber part fitted into the guide pipe for holding it concentrically with respect to the guide pipe. . (5) The dental laser according to claim 1 or 2, wherein the guide pipe is made of a plastically deformable or structurally deformable material, and is configured to be bendable and maintainable in a bent state. hand piece.