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Related Experiment Videos

Prehensile atraumatic grasper with intuitive ergonomics

T G Frank1, A Cuschieri

  • 1Department of Surgery, Ninewells Hospital and Medical School, University of Dundee, United Kingdom.

Surgical Endoscopy
|October 8, 1997
PubMed
Summary
This summary is machine-generated.

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This study introduces a novel tissue grasper for minimal access surgery (MAS). The new design offers atraumatic tissue handling through a unique

Area of Science:

  • Surgical Instrumentation
  • Minimally Invasive Surgery
  • Biomedical Engineering

Background:

  • Current graspers and forceps used in minimal access surgery (MAS) can cause tissue damage, especially with larger organs.
  • Existing instruments often have unnatural handling characteristics, hindering surgical precision.
  • A need exists for improved grasping instruments in MAS procedures.

Purpose of the Study:

  • To present a novel tissue grasper designed to overcome limitations of current MAS instruments.
  • To develop a grasper that provides atraumatic tissue handling and intuitive ergonomics.

Main Methods:

  • The grasper design was developed through iterative cycles of requirement setting, design, construction, evaluation, and re-design.
  • Key features include interchangeable finger-like jaws for 'capture' grasping and an ergonomically designed handle.

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Main Results:

  • The new grasper features prehensile, finger-like jaws that retain tissue by 'capture'.
  • An intuitive handle and trigger mechanism allows the surgeon's forefinger movement to mirror jaw action.
  • The grasper was successfully used in 32 MAS procedures without any reported trauma.

Conclusions:

  • A novel grasper utilizing a 'capture' mechanism provides effective and atraumatic tissue handling.
  • This new instrument design is suitable for a variety of MAS procedures requiring delicate tissue manipulation.