Methods and apparatus for guiding a needle
First Claim
Patent Images
1. A needle guiding apparatus comprising:
- a base defining an opening therethrough;
a guide platform disposed adjacent to the opening, the guide platform being rotatable about a rotation axis, the rotation axis extending through the opening and having a common point along the rotation axis;
a pivot disposed at least partially within the guide platform and being rotatable about a pivot axis that is substantially perpendicular to the rotation axis; and
a guide shaft disposed at least partially within the pivot and extending along a longitudinal axis from a first end of the guide shaft to a second end of the guide shaft, the longitudinal axis intersecting with the rotation axis at the common point, the guide shaft comprising a radiopaque material between the first end and a locus along the guide shaft normal to the longitudinal axis at the common point, the radiopaque material extending to the locus, the locus located immediately adjacent to a material being less radiopaque than the radiopaque material.
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Abstract
A needle is guided to a target along a pre-determined needle insertion trajectory. A method that utilizes a fluoroscope can be used to locate the target. The target can be an internal structure within the human body. A device can be used with the fluoroscope to aim and insert a needle or sharp probe along the pre-determined trajectory to the target. By using the device with the fluoroscope, a user can receive real time visual confirmation of contact between the needle and the target.
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Citations
2 Claims
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1. A needle guiding apparatus comprising:
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a base defining an opening therethrough;
a guide platform disposed adjacent to the opening, the guide platform being rotatable about a rotation axis, the rotation axis extending through the opening and having a common point along the rotation axis;
a pivot disposed at least partially within the guide platform and being rotatable about a pivot axis that is substantially perpendicular to the rotation axis; and
a guide shaft disposed at least partially within the pivot and extending along a longitudinal axis from a first end of the guide shaft to a second end of the guide shaft, the longitudinal axis intersecting with the rotation axis at the common point, the guide shaft comprising a radiopaque material between the first end and a locus along the guide shaft normal to the longitudinal axis at the common point, the radiopaque material extending to the locus, the locus located immediately adjacent to a material being less radiopaque than the radiopaque material.
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2-19. -19. (canceled)
Specification