Ringed silicon rubber attachment prevents laparoscopic surgeon's thumb.
N Inaki1, E Kanehira, T Kinoshita
1Department of General and Cardiothoracic Surgery, Kanazawa University Graduate School of Medical Science, 13-1 Takara-machi, 920-8641, Kanazawa, Japan. n.inaki@viola.ocn.ne.jp
Surgical Endoscopy
|December 21, 2006
Summary
A new ringed silicon rubber attachment (RSRA) significantly reduced symptoms of laparoscopic surgeon's thumb, a condition caused by nerve compression. This innovation offers a promising solution for surgeons experiencing discomfort during procedures.
Area of Science:
- Minimally Invasive Surgery
- Orthopedics
- Neurology
Background:
- Laparoscopic surgeon's thumb, characterized by paresthesia, is a common occupational hazard.
- Nerve conduction studies are used to assess nerve function and diagnose conditions like carpal tunnel syndrome.
Purpose of the Study:
- To quantify the severity of laparoscopic surgeon's thumb.
- To evaluate the efficacy of a novel ringed silicon rubber attachment (RSRA) in mitigating these symptoms.
Main Methods:
- Twenty-six surgical residents and students performed standardized grasping and dissecting tasks.
- Tasks were performed using both conventional laparoscopic forceps and forceps equipped with the RSRA.
- Paresthesia severity was assessed via interviews and sensory nerve conduction velocity (SCV) measurements.
Main Results:
- The RSRA significantly reduced the mean paresthesia severity score compared to conventional forceps (1.05 vs. 2.57, p < 0.01).
- Conventional forceps showed significant SCV reduction after grasping and dissecting tasks (p < 0.01).
- Forceps with RSRA demonstrated no significant SCV change after grasping or dissecting tasks, indicating nerve protection.
Conclusions:
- Laparoscopic surgeon's thumb results from lateral digital nerve compression during surgery.
- The developed RSRA effectively reduces paresthesia and protects against nerve conduction deficits.
