Method and apparatus for needle placement and entry point...

Details Method and apparatus for needle placement and entry point... Method and apparatus for needle placement and entry point...

2008-03-18

2008-03-18

Thaler, Michael (Department: 3731)

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

C606S130000

Reexamination Certificate

active

07346385

ABSTRACT:
A method for determining the best entry point for a percutaneous procedure, such as with a biopsy needle, comprises selecting first and second arbitrary entry points on a patient; determining the three dimensional (3-D) orientation of the needle at the first arbitrary entry point for pointing the needle at the primary target; determining the 3-D orientation of the needle at the first arbitrary entry point for pointing the needle at the secondary target; determining the 3-D dimensional orientation of the needle at the second arbitrary entry point for pointing the needle at the primary target; determining the 3-D orientation of the needle at the second arbitrary entry point for pointing the needle at the secondary target; determining a 3-D line representing the intersection of a first plane containing the first arbitrary entry point, the primary target point, and the secondary target point, and a second plane containing the second arbitrary entry point, the primary target, and the secondary target point, whereby the 3-D line provides a position and orientation for the needle for performing needle biopsy of the primary target through the secondary target.

REFERENCES:
patent: 5799055 (1998-08-01), Peshkin et al.

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