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STEERABLE SURGICAL NEEDLE
专利权人:
Vanderbilt University
发明人:
Philip J. Swaney,Robert J. Webster
申请号:
US16668291
公开号:
US20200069331A1
申请日:
2019.10.30
申请国别(地区):
US
年份:
2020
代理人:
摘要:
A steerable surgical needle (10) includes an elongated needle shaft (12), a beveled tip portion (14), and a flexural element (16) that connects the needle shaft (12) with the tip portion (14) and permits the tip portion to deflect relative to the needle shaft. A method for steering the surgical needle (10) through tissue includes the steps of advancing the needle in the body tissue to induce tip flexure which causes the needle to follow a curved trajectory, and rotating the needle about its longitudinal axis in place, without advancement, to remove the tip flexure.
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