Bipolar electrosurgical vessel sealing is commonly used in surgery to perform hemostasis. The electrode compressive force is demonstrably an important factor affecting the vessel seal burst pressure, an index of the seal quality. Using a piezoresistive force sensor attached to the handle of a laparoscopic surgical device, applied handle force was measured and used to predict the electrosurgical vessel compressive force and the pressure at the electrode. The sensor enables the monitoring of vessel compressive force during surgery. Four levels of compressive force were applied to seal three types of porcine vessels (carotid artery, femoral artery, and jugular vein). The burst pressure of the vessel seal was tested to evaluate the seal quality. Compressive pressure was found to be a statistically significant factor affecting burst pressure for femoral arteries and jugular veins. Vessels sealed with low compressive pressure (<300 kPa) have a higher failure rate (burst pressure < 100 mm Hg) than vessels sealed with high compressive pressure. An adequate compressive force is required to generate the compressive pressure needed to form a seal with high burst pressure. A laparoscopic surgical device with compressive force monitoring capability can help ensure adequate compressive pressure, vessel burst pressure, and quality of seal.
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June 2014
Research-Article
Bipolar Electrosurgical Vessel-Sealing Device With Compressive Force Monitoring
Roland K. Chen,
Roland K. Chen
Mem. ASME
Mechanical Engineering,
e-mail: krchen@umich.edu
Mechanical Engineering,
University of Michigan
,1043E HH Dow
,2300 Hayward Street
,Ann Arbor, MI 48109
e-mail: krchen@umich.edu
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James D. Geiger,
James D. Geiger
Department of Surgery, Medical School,
CS Mott Children's Hospital,
e-mail: jgeiger@med.umich.edu
University of Michigan
,CS Mott Children's Hospital,
1540 East Hospital Dr, SPC 4211
,Ann Arbor, MI 48109
e-mail: jgeiger@med.umich.edu
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Albert J. Shih
Albert J. Shih
ASME Fellow
Mechanical Engineering and
Biomedical Engineering,
e-mail: shiha@umich.edu
Mechanical Engineering and
Biomedical Engineering,
University of Michigan
,3001E EECS, 2350 Hayward Street
,Ann Arbor, MI 48109
e-mail: shiha@umich.edu
Search for other works by this author on:
Roland K. Chen
Mem. ASME
Mechanical Engineering,
e-mail: krchen@umich.edu
Mechanical Engineering,
University of Michigan
,1043E HH Dow
,2300 Hayward Street
,Ann Arbor, MI 48109
e-mail: krchen@umich.edu
Matthew W. Chastagner
James D. Geiger
Department of Surgery, Medical School,
CS Mott Children's Hospital,
e-mail: jgeiger@med.umich.edu
University of Michigan
,CS Mott Children's Hospital,
1540 East Hospital Dr, SPC 4211
,Ann Arbor, MI 48109
e-mail: jgeiger@med.umich.edu
Albert J. Shih
ASME Fellow
Mechanical Engineering and
Biomedical Engineering,
e-mail: shiha@umich.edu
Mechanical Engineering and
Biomedical Engineering,
University of Michigan
,3001E EECS, 2350 Hayward Street
,Ann Arbor, MI 48109
e-mail: shiha@umich.edu
Manuscript received August 1, 2013; final manuscript received March 7, 2014; accepted manuscript posted March 24, 2014; published online April 18, 2014. Assoc. Editor: Ram Devireddy.
J Biomech Eng. Jun 2014, 136(6): 061001 (7 pages)
Published Online: April 18, 2014
Article history
Received:
August 1, 2013
Revision Received:
March 7, 2014
Accepted:
March 24, 2014
Citation
Chen, R. K., Chastagner, M. W., Geiger, J. D., and Shih, A. J. (April 18, 2014). "Bipolar Electrosurgical Vessel-Sealing Device With Compressive Force Monitoring." ASME. J Biomech Eng. June 2014; 136(6): 061001. https://doi.org/10.1115/1.4027269
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