Surgery – Instruments – Cutting – puncturing or piercing
Reexamination Certificate
2011-03-22
2011-03-22
Nguyen, Anhtuan T (Department: 3731)
Surgery
Instruments
Cutting, puncturing or piercing
C030S194000
Reexamination Certificate
active
07909841
ABSTRACT:
Co-axial actuated scissors for slidable positioning along a nerve for cutting the nerve or other anatomical surgical structure in a plane normal to the longitudinal axis of the scissors and away from the surgery site without harming adjacent tissues includes a first scissor portion having an offset handle attached to a slotted cylinder and a second scissor portion having an offset handle attached to an inner cylindrical member with the inner member telescoped within the slotted cylinder for concentric rotation therewith and the slotted cylinder and rotating member defining the longitudinal axis such that the cylinder and the rotating member include a loop end comprising a pair of cutting jaws whose cutting action is normal to the longitudinal axis and which are movable from an open position to a gripping position to a fully closed position for cutting the nerve through rotatable concentric actuation of the rotating member relative to the slotted cylinder and with detents positioned on an arcuate arm of the first scissor portion successively engaging a receiving notch located on the handle of the second scissor portion for holding the cutting jaws in each position as needed in order to effectuate the surgical operation.
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Lovercheck Wayne L.
Miles Jonathan W
Nguyen Anhtuan T
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