Surgical cutting instrument with near-perimeter interlocking coupling arrangement

A blade coupling mechanism (116) for a hand-held surgical cutting instrument (102) includes a first coupling member (118) including a first blade-contacting surface (130) and a first outer perimeter sidewall (132) adjacent the first blade contacting surface. It also includes a second coupling member...

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Bibliographische Detailangaben
Hauptverfasser:	BOYKIN, CHRISTOPHER M, TIDWELL, DURRELL G
Format:	Patent
Sprache:	eng
Schlagworte:	COMPONENTS OR ACCESSORIES THEREFOR DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE NAILING OR STAPLING MACHINES IN GENERAL PERFORMING OPERATIONS SAWS FOR WOOD OR SIMILAR MATERIAL SURGERY TRANSPORTING WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL
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Beschreibung
Zusammenfassung:	A blade coupling mechanism (116) for a hand-held surgical cutting instrument (102) includes a first coupling member (118) including a first blade-contacting surface (130) and a first outer perimeter sidewall (132) adjacent the first blade contacting surface. It also includes a second coupling member (120) including a second blade-contacting surface (160) facing the first blade-contacting surface of the first coupling member. The second coupling member includes- a second outer perimeter sidewall (164) adjacent the second blade contacting surface. The second blade-contacting surface and the second outer perimeter sidewall meet to define an outer edge (168). The second coupling member including a bore (156) through the second blade contacting surface. The bore and the second blade contacting surface meeting to define an inner edge (166). Blade- engaging protrusions project (172) from at least one of the first and second blade-contacting surfaces. The protrusions are spaced closer to the outer edge than the inner edge.