Screwdriver

Surgery – Instruments – Orthopedic instrumentation

Reexamination Certificate

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Details

C606S205000, C606S099000, C081S436000

Reexamination Certificate

active

11063452

ABSTRACT:
A scissor-action screwdriver and screwdriver attachment comprises a plurality of arms pivotally attached to one another; a bias element mounted in at least one of the plurality of arms; and a sleeve slidably mounted around at least one of the plurality of arms, wherein the plurality of arms comprise a first arm and a second arm, and wherein each of the plurality of arms preferably comprise a prong end. The screwdriver attachment further comprises a stop component adapted to limit a distance of separation between the first arm and the second arm. Additionally, the bias element may comprise a spring. Moreover, each of the plurality of arms preferably comprises a tapered section, wherein the sleeve comprises an inner tapered wall adapted to engage the tapered section of each of the plurality of arms. The screwdriver further includes a handle connected to the second arm.

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patent: 6139549 (2000-10-01), Keller
patent: 6602260 (2003-08-01), Harari et al.
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patent: 7204852 (2007-04-01), Marnay et al.

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