Localizing device for ventriculostomy
OwnerJeffrey E. Thomasinventor
Life of this patent
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Abstract
A localizing apparatus includes a frame, a linear reference marker, and a target marker. The frame includes a first portion fixable to a first anatomical reference point. The linear reference marker is rotatable about the first anatomical reference point to align a second anatomical reference point with the first anatomical reference point. The target marker is rotatable about the first anatomical reference point to establish an angle from the linear reference marker such that the target marker is located in a desired plane.
Claims28
A localizing apparatus comprising:
- a frame;
- a first portion of the frame fixable to a first anatomical reference point;
- a linear reference marker rotatable about the first anatomical reference point to align a second anatomical reference point with the first anatomical reference point;
- and
- a target marker rotatable about the first anatomical reference point to establish an angle from the linear reference marker such that the target marker is located in a desired plane.
An apparatus to position instruments within a target, comprising:
- a probe configured to attach to a first reference point;
- a reference marker configured to rotate about the center axis of the probe including an end configured to align a second reference point with the first reference point;
- and
- a target marker configured to rotate about the center axis and to be positioned at an angle such that the target marker is located in a plane that transversely passes through the target.
A localizing apparatus comprising:
- a frame configured to extend in an arc around a head, the frame having an outer diameter surface and an inner diameter surface;
- a guide extending from the outer diameter surface to the inner diameter surface, the guide being configured to direct the instrument perpendicularly toward the surface of the head;
- a first end of the frame configured to fix the frame to a first anatomical reference point;
- a second end of the frame configured to fix the frame to a second anatomical reference point;
- a linear reference marker configured to rotate about the first end and to align a third anatomical reference point with the first anatomical reference point;
- and
- a linear target marker configured to rotate about the first end and to be positioned at an angle from the linear reference marker such that the linear target marker is located in a plane that passes through a desired portion of the head.
A method for localizing a portion of the brain, comprising the steps of:
- locating a first anatomical reference point;
- extending a first line from the first anatomical reference point to a second anatomical reference point such that the reference points are located in a sagittal plane;
- and
- positioning a second line in the sagittal plane to pass through the first anatomical reference point at a determined angle from the first line such that the second line is oriented in a transverse plane that passes through the portion of the brain.
Dependencies are inferred from the claim text.