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Ultrasound guided surgical instrument guide and method

  • US 4,681,103 A
  • Filed: 03/11/1985
  • Issued: 07/21/1987
  • Est. Priority Date: 03/11/1985
  • Status: Expired due to Term
First Claim
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1. An ultrasound guided instrument guide comprising:

  • an adaptor housing having a central portion, said adaptor housing having a hole through said central portion thereof for providing access of an ultrasound probe disposed therein to a volume therebelow, said adaptor housing having a lower threaded portion for screwing said adaptor housing in a burr hole in a skull and an upper threaded portion;

    a probe socket disposed in said hole in said adaptor housing, said probe socket with passage therethrough for holding an ultrasound probe by its tip portion, said probe socket comprising a spherical member and a neck member attached thereto;

    a clamp ring disposed over said probe socket;

    a locking ring disposed over said clamp ring, said locking ring being threaded to mate with said upper threaded portion of said adaptor housing such that the tightening of said lock ring with respect to said adaptor housing applies pressure to said clamp ring thereby locking said probe socket in position; and

    an instrument holder formed in the shape of said ultrasound probe tip and having a hole disposed through its longitudinal axis adapted to hold said instrument therein.

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