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Externally moveable intracavity probe for MRI imaging and spectroscopy

  • US 5,307,814 A
  • Filed: 09/17/1991
  • Issued: 05/03/1994
  • Est. Priority Date: 09/17/1991
  • Status: Expired due to Term
First Claim
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1. An insertable intracavity probe for use in magnetic resonance imaging with an interface network of a region of interest within a cavity of a patient comprising an elongate shaft having a proximal end and a distal end, a handle on the proximal end of the shaft, and a balloon structure on the distal end of the shaft, the balloon structure including an outer balloon, a pick-up coil in the outer balloon, the coil having an electrical lead extending through the shaft for connecting the coil to the interface network, first and second inflatable inner balloons within the outer balloon, the inner balloons being located on first and second sides of the coil, respectively, sandwiching the coil therebetween, and respective inflation tubes for inflating the inner balloons extending through the shaft.

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