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Integration of a miniaturised triaxial force sensor in a minimally invasive surgical tool



Integration of a miniaturised triaxial force sensor in a minimally invasive surgical tool



IEEE Transactions on Bio-Medical Engineering 53(11): 2397-2400



This paper reports preliminary results on design and fabrication of a cutting tool with an integrated triaxial force sensor to be applied in fetal surgery procedures. The outer diameter of the proposed device is 7.4 mm, but a scaled down design can be easily achieved. Linearity and hysteresis tests have been performed for both normal and tangential loadings. A linear transformation relating the sensor output to the external applied force is introduced and discussed. The typical working range for the conceived instrument is around 0.3 N, while 20 N and 1 N are, respectively, maximum normal and tangential forces for which the device robustness has been assessed.

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Accession: 049370378

Download citation: RISBibTeXText

PMID: 17073346

DOI: 10.1109/tbme.2006.883618


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