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Stereotactic device

  • US 5,047,036 A
  • Filed: 11/17/1989
  • Issued: 09/10/1991
  • Est. Priority Date: 11/17/1989
  • Status: Expired due to Fees
First Claim
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1. A stereotactic device for allowing a user to accurately introduce a medical device through a sterile field into a body at a preselected angle comprising:

  • a. a base having an upper surface exposed when the stereotactic device is in use and a lower surface for placement on the body into which the medical device is to be introduced, said base having an opening therein, through which the part of the medical device to be placed within the body can pass unobstructed.b. a leg normal to the base, affixed thereto and having a radial slot therein;

    c. a carrier for the medical device comprising;

    i. a radial portion which rides within the radial slot;

    ii. retaining means for retaining the medical device in a fixed radial position relative to the arc defined by the radial slot and downwardly through the opening in the base; and

    ,iii. means for locking said carrier at a fixed position on the arcute pathway formed by the slot;

    d. markings on said leg along said radial slot for placement of the retaining means at a preselected point along said radial slot whereby the medical device retained thereby can be extended downwardly through the opening and into the body at a preselected angle; and

    e. markings on the base of said device for orienting said base, said base having opposing edges contiguous with the upper surface thereof and normal to the leg which edges are beveled and slope downwardly and outward from the surface of the base, said markings on said base comprising markings on said beveled edges.

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