DISPOSABLE SCALPEL BLADE ASSEMBLY AND ASSOCIATED NON-DISPOSABLE SCALPEL HANDLE

摘要

Disclose a kind of disposable surgical knife blade assembly and matching used non-disposable knife handle (4). The blade assembly has blade (2), blade bearing (1) and blade protective case (3). Blade bearing (1) rear portion is equipped with elastic arm (17), and arm end, which is equipped with, stretches out block (172). Corresponding block (172) position of stretching out is equipped with hole to be provided (37) on blade protective case (3) inner wall. When being inserted into knife handle (4), stretching block (172) is protruded into hole to be provided (37) and is laterally stepped down, and connect knife handle (4) with blade bearing (1). Block (172) and hole to be provided (37) are stretched out after extracting knife handle (4) generate and misplace and can not laterally be stepped down, make knife handle (4) can not be again insertable into being attached. Lock slots (11) before the front end of first sliding groove (12) on blade bearing (1) is equipped with first, and the front of lock slots (11) is equipped with a locked slot (19) before first. The top surface unblock button (31) on blade protective case (3) can be pushed after scalpel use, or using the movement for extracting knife handle (4), first on blade protective case (3) raised (321) is made to fall into locked slot (19) into locking state. The blade assembly and knife handle (4) completely eliminate the safety issue that scalpel is used again.