Percutaneous registration apparatus and method for use in computer-assisted surgical navigation

Patent 6226548 Issued on May 1, 2001. Estimated Expiration Date:

September 4, 2018. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

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Inventors

Assignee

Surgical Navigation Technologies, Inc.

Application

No. 148498 filed on 09/04/1998

US Classes:

600/426Using fiducial marker

Examiners

Primary: Manuel, George

Attorney, Agent or Firm

Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.

Foreign Patent References

197 15 202 A1 DE. 04/13/1997
0 018 166 A1 EP. 04/13/1980
0 359 773 B1 EP. 05/13/1988
0 326 768 A2 EP. 12/13/1988
0 427 358 A1 EP. 10/13/1990
0 501 993 B1 EP. 11/13/1990
0 456 103 A2 EP. 05/13/1991
0 469 966 A1 EP. 07/13/1991
WO 88/09151 WO. 12/13/1988
WO 91/07726 WO. 05/13/1991
WO 92/06645 WO. 04/13/1992
WO 94/23647 WO. 10/13/1994
WO 94/24933 WO. 11/13/1994
WO 96/11624 WO. 04/13/1995
WO 96/11624 WO. 04/13/1996
WO 96/32059 WO. 10/13/1996
WO 97/40764 WO. 11/13/1997

International Class

A61B 005/05

Abstract

An apparatus and procedures for percutaneous placement of surgical implants and instruments such as, for example, screws, rods, wires and plates into various body parts using image guided surgery. The invention includes an apparatus for use with a surgical navigation system, an attaching device rigidly connected to a body part, such as the spinous process of a vertebrae, with an identification superstructure rigidly but removably connected to the attaching device. This identification superstructure, for example, is a reference arc and fiducial array which accomplishes the function of identifying the location of the superstructure, and, therefore, the body part to which it is fixed, during imaging by CAT scan or MRI, and later during medical procedures.

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