Trajectory guide with angled or patterned guide lumens or height adjustment
First Claim
Patent Images
1. A method comprising:
- disposing at least one tube in a desired orientation within at least a portion of a bushing;
introducing a flowable agent about the tube within at least a portion of the bushing;
allowing the flowable agent to harden; and
associating the bushing and the agent once the agent has hardened with an instrument base; and
guiding an instrument through the agent once the agent has hardened.
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Abstract
This document discusses trajectory guides that include an instrument guide with at least one lumen angled with respect to an orthogonal or other through-axis. In one example, patterned lumens on the instrument guide provide a mirror image pattern of trajectory axes intersecting a target plane. In another example, height adjustment of the instrument guide extends these or other targeting techniques to a three-dimensional volume. This document also describes a method of manufacturing such an instrument guide, which is also applicable to manufacturing an instrument guide providing parallel lumens.
340 Citations
21 Claims
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1. A method comprising:
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disposing at least one tube in a desired orientation within at least a portion of a bushing; introducing a flowable agent about the tube within at least a portion of the bushing; allowing the flowable agent to harden; and
associating the bushing and the agent once the agent has hardened with an instrument base; and
guiding an instrument through the agent once the agent has hardened. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method comprising:
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positioning a first pin within a bushing; positioning a first tube over the first pin; filling the bushing with a flowable material, including filling an area around the first tube within the bushing; allowing the flowable material to form a plug; holding the first tube with the plug; associating the plug with an instrument base; and guiding an instrument with the first tube in the plug. - View Dependent Claims (9, 10, 11, 12)
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13. A method comprising:
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inserting a bushing into a fixture having a fixture base; inserting a pin inside the bushing and into an appropriately oriented receptacle in the base; slipping a tube over the inserted pin; filling the interstices around the tube with a flowable hardenable agent; allowing the flowable hardenable agent to harden into a plug; carrying the tube with the plug; forming an instrument guide by holding the tube relative to the bushing with the plug; and
associating the bushing and the agent once the agent has hardened with an instrument base; and
guiding an instrument through the agent once the agent has hardened. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21)
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Specification