LAPAROSCOPIC INSTRUMENT WITH SEAL FITTED IN RECESS
PROBLEM TO BE SOLVED: To provide a handpiece connecting with an instrument tip.SOLUTION: A handpiece 123 includes a tube end 101 having: a connection part 121 at a distalmost end thereof and configured to attach to an instrument tip, the tube end having a retention seal channel about an exterior of...
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Format: | Patent |
Sprache: | eng ; jpn |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a handpiece connecting with an instrument tip.SOLUTION: A handpiece 123 includes a tube end 101 having: a connection part 121 at a distalmost end thereof and configured to attach to an instrument tip, the tube end having a retention seal channel about an exterior of the tube end; a retention seal 104 fixed in the retention seal channel, the retention seal having a sealing ring channel about an exterior of the retention seal; an elastically-deformable sealing ring 150 press-fitted into the sealing ring channel such that the sealing ring is immovable in a longitudinal direction of the tube; and an outer sheath 116 positioned about the tube end such that the outer sheath and tube end sandwich the sealing ring and at least a portion of the retention seal.SELECTED DRAWING: Figure 3
【課題】器具チップと接続するハンドピースを提供する。【解決手段】ハンドピース123は、器具チップを装着するための接続部121を最遠位端部に有し、その外側の周囲に保持シール用溝部を有する管端101と、保持シール用溝部に固定され、その外側の周囲にシーリング環用溝部を有する保持シール104と、シーリング環用溝部にプレスフィットされ、管端の長手方向に動かない、弾力的に変形可能なシーリング環150と、管端の周囲に配置される外部シース116であって、外部シースと管端がシーリング環及び少なくとも一部の保持シールをサンドイッチする外部シースと、を具備する。【選択図】図3 |
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