PULL-CABLE MANAGEMENT FOR STEERABLE CATHETER

A steerable catheter comprises a transducer that is situated at a flexible distal end, and is coupled to the handle of the catheter via an insertion tube. The flexible distal end is controlled by a plurality of articulation pull-cables that extend from an articulation control device in the handle to...

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Bibliographic Details
Main Authors CUSCUNA DINO, BISHOP BRIAN, CASWELL JOHN, CHAN EDWARD
Format Patent
LanguageChinese
English
Published 24.12.2021
Subjects
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Summary:A steerable catheter comprises a transducer that is situated at a flexible distal end, and is coupled to the handle of the catheter via an insertion tube. The flexible distal end is controlled by a plurality of articulation pull-cables that extend from an articulation control device in the handle to the far end of the distal end, such that when one articulation pull-cable is pulled, and the opposing articulation pull-cable is slackened, the flexible distal end bends in the direction of the tensioned articulation pull-cable. In order to minimize the pull-resistance over time, while still providing insertion-tube flexibility, inserts having pull-cable lumens are situated in the insertion tube to isolate each articulation pull-cable from each other, and from other cables that couple the transducer to the handle. 一种可转向的导管，包括换能器，该换能器被设置于柔性的远端部处，且经由插管被联接到导管的手柄。柔性的远端部由多个关节牵引线缆来控制，该多个牵引线缆从手柄中的关节控制装置延伸到远端部的远的一端处，使得当一个关节牵引线缆被拉动，而相对的关节牵引线缆被松弛时，柔性的远端部沿着被张紧的关节牵引线缆的方向弯曲。为了使随着时间的推移而变化的牵引阻力最小化，同时仍然提供插管的柔性，具有牵引线缆管腔的插件被设置于插管中，
Bibliography:Application Number: CN202080037226