Safety surgical blade, handle and shield

Details Safety surgical blade, handle and shield Safety surgical blade, handle and shield

1989-06-01

1991-01-15

Yu, Mickey

Surgery

Instruments

Cutting, puncturing or piercing

30162, A61B 1732

Patent

active

049850342

ABSTRACT:
A surgical scalpel is provided consisting of a handle, a blade, and a removable and reattachable blade shield to encase the blade both before and after use and reduce the likelihood of accidental contact with the blade. The blade is retained in the blade shield prior to use through tape or other closure means. Upon removal of the closure means, the forward end of the surgical handle is attached to a handle socket in the base of the blade preferably through a pawl and notch releasable interengagement mechanism, and the blade, securely attached to the handle may be withdrawn from the blade shield. After use, the blade is returned to the blade shield. A force in the direction of the cutting edge of the blade is applied to the handle causing a weakened floor of the handle socket to be displaced and forcing the handle socket walls of the blade base into retaining recesses defined in the blade shield thus securing the used blade within the blade shield. The handle is then withdrawn from the blade base and the handle can be reused. The used blade, secured within the blade shield, may be safely disposed.

REFERENCES:
patent: 2960769 (1960-11-01), Matwijcow
patent: 3793726 (1974-02-01), Schrank
patent: 3877147 (1975-04-01), Cummings
patent: 3905101 (1975-09-01), Shepherd
patent: 3906626 (1975-09-01), Riuli
patent: 4617738 (1986-10-01), Kopacz
patent: 4719915 (1988-01-01), Porat et al.
patent: 4735202 (1988-04-01), Williams
patent: 4825545 (1989-05-01), Chase et al.

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