應用於骨科手術中狹窄空間內的微型靈活可彎曲手術鑽
歐國威(97逸夫機械與自動化工程;99研究院機械與自動化工程哲學碩士);機械與自動化工程學系副教授

項目簡介|PROJECT SUMMARY

This project aims to develop a miniaturized steerable drill for dexterous orthopedic operations in confined spaces to minimize intraoperative tissue damage to patients, thus reducing their recovery times and hospital stay.



發展階段|STAGE OF DEVELOPMENT

Idea



產品特點|DISTINGUISHED FEATURES

  • The miniaturized dimension (Ф4.5 mm) and largely enhanced distal steerability (±65 degrees) will enable surgeons to access target sites through small incisions while steering around anatomical corners.
  • Unlike existing works using flexible continuum mechanisms, we use tendon-driven rolling joints and double universal joints to simultaneously obtain high stiffness and strength, large articulation angles, and nearly zero bend radii.
  • We integrate the proposed articulated drill tip into a lightweight (200 g) pen-style handheld device, which is low-cost and easy to use and integrate into existing surgical procedures. Besides, the handheld device can also be mounted on a robotic arm for higher precision.
  • The proposed device has a wide range of potential applications, including ENT, skull base, and spine surgery.



如何解決市場痛點|RESPONSE TO MARKET PAIN POINTS

Conventional surgical bone-work tools are mostly rigid and straight (some with simple pre-bent tips). In contrast, human anatomy is highly complicated, composed of tons of irregular structures. As a result, to access deep target surgical sites, surgeons generally need to remove considerable healthy tissues, leading to substantial collateral damage and thus increasing hospital stay, recovery time, postoperative pain, and incidence of complications. To solve this problem, we developed a miniaturized steerable surgical drill capable to access target sites through small incisions while steering around anatomical corners.



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