Blade unit for surgical scalpel

摘要

A scalpel is disclosed, having a conventional handle and a blade unit for releasable attachment to the handle. The blade unit includes a body, a slot within said body to releasably engage the finger protruding from the handle, a scalpel blade attached to said body, and a blade cover slideably engaged to said body and configured for movement between a forward, protective position fully covering said blade and a retracted position to expose said blade for use. The cover has open front and rear ends to permit said blade and said body respectively to protrude through opposing ends of said cover when said cover is moved between said positions.

主权项

1. A blade unit for releasable attachment to a scalpel handle wherein said handle comprises a hand grip and a finger projecting from said hand grip, said finger comprising opposing flat sides, upper and lower edges with blade-engaging grooves recessed into said upper and lower edges and a first boss projecting laterally from one of said flat sides configured for mounting a slotted scalpel blade to said handle; said blade unit comprising:
a) the slotted scalpel blade having a first slot with a first configuration for mounting to a second boss; b) a blade support body made of a first rigid material, and comprising the second boss configured to receive the first slot of the slotted scalpel blade; c) a plate fixed within said blade support body, wherein the plate is made of a second rigid material, said plate comprising a second slot having a second configuration substantially identical to the first configuration wherein said second slot is configured to mount to the first boss of said handle and engage the blade-engaging grooves of the handle for releasably securing the blade support body to the handle via the plate; and d) a blade cover slideably engaged to said blade support body for movement between an extended position covering said blade and a retracted position to expose said blade for use.