Three-dimensional beam localization apparatus for stereotactic diagnoses or surgery
AssigneeMedical Instrumentation and Diagnostics Corporation
InventorsTyrone L. Hardy, Laura R. D. Brynildson
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Abstract
The disclosure is directed to a method and apparatus for determining, in three dimensions, the location, size, depth and width of tumors, lesions, abnormalities, structures, and the like, particularly useful for stereotactic surgery. The invention utilizes several beams which, when they intersect, allow for such measurements and calculations. The beam sources attach to a stereotactic frame.
Claims32
A stereotactic surgical beam localization apparatus for use with a stereotactic frame, the beam localization apparatus comprising:
- means for emitting first and second beams from two separate and spaced points;
- a device for mounting said means for emitting first and second beams;
- means for attaching said means for emitting first and second beams on said mounting device;
- means for movably adjusting the relative positions to each other of said means for emitting first and second beams;
- means for aiming said beams at user selected locations on a body;
- and
- calculation means for ascertaining desired information about a selected volumetric entity of the body from the positions of said means for emitting first and second beams on said mounting device, the relative positions to each other of said means for emitting first and second beams, and the aiming directions of said means for emitting first and second beams.
A stereotactic surgical beam localization apparatus for use with a stereotactic frame, the beam localization apparatus comprising;
- means for emitting a fixed centrally disposed beam;
- means for emitting at least two additional beams;
- a device for mounting said means for emitting said fixed centrally disposed beam and said means for emitting said at least two additional beams;
- means for mounting said means for emitting a fixed centrally disposed beam on said mounting device;
- means for mounting said means for emitting at least two additional beams spaced from and independent of one another and said means for emitting a fixed centrally disposed beam on said mounting device;
- means for attaching said mounting device to the stereotactic frame;
- means for movably adjusting the positions relative to one another and to said means for emitting a fixed centrally disposed beam of said means for emitting at least two additional beams;
- means for aiming said means for emitting a fixed centrally disposed beam at a predetermined, fixed location of a selected volumetric entity of a body;
- means for variably aiming said means for emitting at least two additional beams at additional selected locations of the selected volumetric entity of the body;
- and
- calculation means for ascertaining desired information about the selected volumetric entity of the body from the positions of said means for emitting a fixed centrally disposed beam and said means for emitting at least two additional beams on said apparatus, the positions of said means for emitting a fixed centrally disposed beam and said means for emitting at least two additional beams relative to one another, and the aiming directions of said means for emitting a fixed centrally disposed beam and said means for emitting at least two additional beams.
Dependencies are inferred from the claim text.