Surgical instrument blade injector and mounting method

Details Surgical instrument blade injector and mounting method Surgical instrument blade injector and mounting method

1995-08-31

1999-03-02

Echols, P. W.

Metal working

Means to assemble or disassemble

Spreading parts apart or separating them from face to face...

206355, 269 16, B23P 1904

Patent

active

058755322

ABSTRACT:
A device and method for injecting a blade onto a surgical instrument and extracting a blade from a surgical instrument. The injector includes a housing having an elongated cavity for receiving the instrument head. Prior to injection, a blade is retained in the cavity. To inject a blade, a user inserts the instrument head into the channel. The rim of the blade aperture engages the groove on the tang as the instrument is inserted. When the tang is fully engaged with blade, the user can withdraw the instrument with the blade mounted on it. The extractor includes a housing having an elongated cavity for receiving the instrument head. The channel has a slot that extends through the housing. A spring catch is mounted in the cavity on a side wall opposite the spring clip. To extract a blade, a user inserts the instrument head into the channel until the spring catch engages the proximal end of the blade. The user then angles the instrument handle away from the spring catch and withdraws the instrument handle from the channel while the spring catch retains the blade in the housing. When the blade is fully separated from the instrument head, the blade falls through the slot into an integral receptacle for disposal.

REFERENCES:
patent: 4244094 (1981-01-01), Rucinski
patent: 4386457 (1983-06-01), Coombs
patent: 4395807 (1983-08-01), Eldridge, Jr. et al.
patent: 4466539 (1984-08-01), Frauenhoffer
patent: 4730376 (1988-03-01), Yamada
patent: 4903390 (1990-02-01), Vidal et al.
patent: 5088173 (1992-02-01), Kromer et al.
patent: 5255422 (1993-10-01), Russo et al.
patent: 5667067 (1997-09-01), Gabriel

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