Endorectal probe with planar moveable MRI coil

Details Endorectal probe with planar moveable MRI coil Endorectal probe with planar moveable MRI coil

1992-11-25

1994-11-22

Pfaffle, K. M.

Surgery

Truss

Pad

128778, 604 96, 606193, 606197, A61B 5055, A61M 2510

Patent

active

053659287

ABSTRACT:
An insertable intracavity probe for use in magnetic resonance imaging of an area of interest in a relatively inaccessible region of the body is disclosed. The probe has an internal pickup coil carried at the distal end of a shaft for rectal insertion of the coil and an inflatable anti-migration cuff to hold the probe in position and prevent outward migration thereof during a procedure. The anti-migration cuff is carried on an outer sleeve which is slidably and rotatably mounted on the shaft. The coil is carried on a resilient tip structure at the distal end of the shaft which is flexible in the plane normal to the plane of the coil. Deflection of the coil assembly is controlled by a pair of control lines attached to the distal end of the tip structure. The lines may be selectively tensioned to deflect the coil in the direction of tension by a thumb wheel control at the handle of the probe.

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