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Ergonomics of hand-assisted laparoscopic surgery
G B Hanna1, M Elamass, A Cuschieri
1Department of Surgery and Molecular Oncology, Ninewells Hospital and Medical School, University of Dundee, Scotland.
Seminars in Laparoscopic Surgery
|July 7, 2001
Summary
Hand-assisted laparoscopic surgery (HALS) offers benefits for complex procedures by enabling better control and palpation. However, ergonomic issues require instrument and device redesign for improved surgeon comfort and expanded HALS applications.
Area of Science:
- Minimally Invasive Surgery
- Surgical Technology
- Surgical Ergonomics
Background:
- Hand-assisted laparoscopic surgery (HALS) combines benefits of open and laparoscopic surgery.
- HALS enhances complex procedures by enabling tactile feedback and precise dissection.
- Challenges include workspace encroachment and surgeon strain.
Purpose of the Study:
- To evaluate the advantages and limitations of HALS.
- To identify ergonomic challenges associated with HALS.
- To propose solutions for improving HALS technology and instrumentation.
Main Methods:
- Review of HALS capabilities in complex liver and pancreatic surgery.
- Analysis of ergonomic issues including workspace and surgeon posture.
- Discussion of potential improvements in device and instrument design.
Main Results:
- HALS provides atraumatic exposure, dissection, palpation, and hemostasis.
- Key benefits include reduced surgeon stress during complex bleeding control.
- Ergonomic problems arise from hand-access devices, leading to surgeon strain.
Conclusions:
- HALS is valuable for advanced laparoscopic surgery, particularly in hepatobiliary and pancreatic procedures.
- Addressing ergonomic challenges through device and instrument innovation is crucial.
- Future advancements in HALS depend on designs informed by ergonomic research.