Surgical instrument with removable shaft assembly

Details Surgical instrument with removable shaft assembly Surgical instrument with removable shaft assembly

1994-10-11

1998-02-17

Dawson, Glenn K.

Surgery

Instruments

Forceps

606174, 606 1, A61B 1732, A61B 1728, A61B 1700

Patent

active

057187142

ABSTRACT:
A surgical instrument having a removable shaft assembly and a handle mechanism is shown. The surgical instrument shaft assembly includes a drive shaft having an actuatable working member at one end and a connecting member at its other end. The drive shaft has formed thereon a reaction member having a preselected geometrical shape. The reaction member is adapted to removeably operatively connect with a receiving member forming a reacting support. A driving force applied to the drive shaft reacts with the reacting support developing a reaction force to actuate the actuatable working member in a predetermined direction. The surgical instrument further includes a handle assembly which for removeably supporting the shaft assembly. The handle assembly has a first end which defines a receiving member to removeably operatively connect with the reaction member to define the reaction support. The handle assembly includes a releasable coupling member which releasably connects with the connecting member. A rotary member is provided which permits rotation of the elongated housing, shaft assembly and actuatable working member. A locking member is provided to inhibit rotation of the drive shaft when the actuatable working member is actuated.

REFERENCES:
patent: 5282800 (1994-02-01), Foshee et al.
patent: 5368606 (1994-11-01), Marlow et al.
patent: 5395364 (1995-03-01), Anderhub et al.
patent: 5496347 (1996-03-01), Hashiguchi et al.
patent: 5507774 (1996-04-01), Holmes et al.
patent: 5527339 (1996-06-01), Koscher et al.

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