A handheld device for measurement of tension: An aide to surgeons for soft tissue balance during orthopedic surgeries

K. Singal, P. Peng, Rajesh Rajamani, J. E. Bechtold

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In a number of orthopaedic surgeries, balancing the tensile forces in the soft tissues surrounding bone is important for good restoration of overall limb function in the patient and a long lasting implant. This paper presents an analytical formulation for a handheld device which can be used to measure tension in the soft tissues surrounding bone. The handheld device can be pushed against a tense segment of any soft tissue to measure the site specific axial tension in the tissue. The device uses an array of three force (or displacement) sensors and estimates the tension in the string based upon an analytical formula that utilizes these three readings. Two different realizations of the device and their experimental results are presented which confirm the theoretical formulation. The developed handheld device can be useful in total knee replacement, ACL repair, shoulder stabilization, patella dislocation, tendon repair, total hip replacement and a number of other orthopaedic surgical procedures.

Original languageEnglish (US)
Title of host publicationASME 2012 5th Annual Dynamic Systems and Control Conference Joint with the JSME 2012 11th Motion and Vibration Conference, DSCC 2012-MOVIC 2012
Pages403-409
Number of pages7
Volume3
DOIs
StatePublished - Dec 1 2012
EventASME 2012 5th Annual Dynamic Systems and Control Conference Joint with the JSME 2012 11th Motion and Vibration Conference, DSCC 2012-MOVIC 2012 - Fort Lauderdale, FL, United States
Duration: Oct 17 2012Oct 19 2012

Other

OtherASME 2012 5th Annual Dynamic Systems and Control Conference Joint with the JSME 2012 11th Motion and Vibration Conference, DSCC 2012-MOVIC 2012
Country/TerritoryUnited States
CityFort Lauderdale, FL
Period10/17/1210/19/12

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