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Related Experiment Video

Updated: Jun 2, 2026

A Tactile Automated Passive-Finger Stimulator (TAPS)

A Tactile Automated Passive-Finger Stimulator (TAPS)

Published on: June 3, 2009

Pressure exerted by finger traps.

Edward Spurrier¹, Gora Pathak, Anil Khanna

¹Peterborough City Hospital, Edith Cavell Campus, Bretton Gate, Peterborough, PE3 9GZ. edward@edspurrier.co.uk

Journal of Perioperative Practice

|May 13, 2011

Summary

Chinese finger traps used in wrist arthroscopy may harm digital nerves due to excessive pressure. This study investigates the risks associated with this common surgical practice.

Area of Science:

Orthopedic Surgery
Hand Surgery
Nerve Physiology

Background:

Wrist arthroscopy commonly utilizes Chinese finger traps for arm suspension and wrist distraction.
This technique involves applying weight to the arm, potentially causing significant pressure on the fingers.
Concerns exist regarding the risk of digital nerve damage from this applied pressure.

Purpose of the Study:

To quantify the pressure exerted by Chinese finger traps during wrist arthroscopy.
To evaluate the potential risk of digital nerve injury associated with this pressure.

Main Methods:

Measurement of pressure applied to the fingers by Chinese finger traps under simulated surgical conditions.
Analysis of pressure levels in relation to known thresholds for digital nerve damage.

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Last Updated: Jun 2, 2026

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Main Results:

The study measured the pressure distribution and magnitude applied by finger traps.
Results indicated that the applied pressure may exceed safe limits for digital nerves.

Conclusions:

The use of Chinese finger traps in wrist arthroscopy may pose a significant risk to digital nerves.
Further investigation and potential modifications to the technique are warranted to prevent nerve injury.