Surgical instruments useful for spinal surgery

Details Surgical instruments useful for spinal surgery Surgical instruments useful for spinal surgery

1996-07-31

1998-07-28

Flanagan, Beverly M.

Surgery

Specula

Retractor

600204, 606205, A61B 122

Patent

active

057856478

ABSTRACT:
An apparatus for use during endoscopic discectomy procedures includes an elongated portion defining a generally longitudinal axis and having proximal and distal ends, a retractor mechanism disposed at the distal end of the elongated portion and having at least two retractor members for engaging and spreading tissue, an articulating mechanism operatively connected to the retractor mechanism for selectively articulating the two retractor members and an actuator mechanism operatively connected to the retractor mechanism for causing relative movement between the two retractor members. The retractor mechanism is preferably releasably mounted to the distal end of the elongated portion and is released by a release mechanism. The apparatus further includes a tissue penetrating member associated with the retractor mechanism and mounted for movement to facilitate mounting of the retractor mechanism to tissue. The tissue penetrating member is mounted to the distal end of the elongated portion and is movable between a non-deployed position and a deployed position. A deployment mechanism for moving the tissue penetrating member to the deployed position is provided. A method for facilitating the retracting of tissue during a surgical procedure is also disclosed.

REFERENCES:
patent: 5514157 (1996-05-01), Nicholas et al.
patent: 5577993 (1996-11-01), Zhu et al.

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