Method and system for calibrating a surgical tool and adapter thereof

Patent 7166114 Issued on January 23, 2007. Estimated Expiration Date:

September 18, 2022. 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

Stryker Leibinger GmbH & Co KG

Application

No. 10246599 filed on 09/18/2002

US Classes:

606/130, Stereotaxic device606/1, INSTRUMENTS33/286, Alignment device74/469, CONTROL LEVER AND LINKAGE SYSTEMS433/72, Having gauge or guide358/296, Recording apparatus378/4, Computerized tomography600/407, Detecting nuclear, electromagnetic, or ultrasonic radiation378/195, Including object support or positioning600/426, Using fiducial marker600/425, With tomographic imaging obtained from electromagnetic wave600/102, With chair, table, holder, or other support600/429, With stereotactic device73/1.79, Displacement, motion, distance, or position600/427, Combined with therapeutic or diagnostic device600/424, With means for determining position of a device placed within a body324/202, Calibration600/372Structure of body-contacting electrode or electrode inserted in body

Examiners

Primary: Dvorak, Linda C. M.
Assistant: Roane, Aaron

Attorney, Agent or Firm

McCracken & Frank LLP

Foreign Patent References

1336451 CA 07/01/1995
326 768 EP 12/01/1988
469 966 EP 07/01/1991
55-73253 JP 06/01/1980
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07-328016 JP 12/01/1995
08-010266 JP 01/01/1996
08-38507 JP 02/01/1996
WO 91/04711 WO 04/01/1991
WO 91/07726 WO 05/01/1991
WO 92/06645 WO 04/01/1992
WO 94/23647 WO 10/01/1994
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WO 96/11624 WO 04/01/1996
WO 96/32059 WO 10/01/1996
WO 97/15234 WO 05/01/1997
WO 97/29678 WO 08/01/1997

International Classes

A61B 19/00
A61B 19/12

Abstract

A method for easily calibrating both the position of the tip of a surgical tool and the orientation of that tool includes attaching a tracking device capable of communication with the surgical navigation system to the surgical tool using an adapter, where the adapter has a known relation between the tracking device and the axis of the surgical tool. The method then performs a calibration process to calculate the position of the tip of the surgical tool and the position of the tracking device and orientation data for the surgical tool from the known relation between the tracking device and the axis of the surgical tool and from the tool tip position. Lastly, the method stores the position of the tool tip for the surgical tool and the orientation data within memory of the surgical navigation system so the position and the orientation of the surgical tool can be tracked by the surgical navigation system.The adapter has a body with an interior surface that defines an opening through which a surgical tool can be inserted, the opening having an axis. The adapter also has a docking structure for a tracking device such that there is a known relation between the tracking device and the axis of the opening and the axis of a tool that is inserted in the opening.

Other References

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