Establishing the first requirements in experimental equipment for investigations and creation conditions of electric welding of intestinal connection

Authors

  • S. S. Podpriatov Київський центр електрозварювальної хірургії та новітніх технологій, Київська міська клінічна лікарня №1
  • S. E. Podpryatov Київський центр електрозварювальної хірургії та новітніх технологій, Київська міська клінічна лікарня №1
  • A. V. Makarov Національна медична академія післядипломної освіти імені П.Л.Шупика
  • G. S. Marinsky Інститут електрозварювання ім. Є.О.Патона НАН України
  • V. A. Tkachenko Інститут електрозварювання ім. Є.О.Патона НАН України
  • O. V. Chernets Інститут електрозварювання ім. Є.О.Патона НАН України
  • D. V. Tarnavsky Національний університет біоресурсів і природокористування України
  • K. G. Lopatkina Інститут електрозварювання ім. Є.О.Патона НАН України

DOI:

https://doi.org/10.11603/2414-4533.2018.2.9230

Keywords:

electric welding, anastomosis, intestine, instrument, pressure, tissue.

Abstract

The aim of the work: to develop the primary requirements for pre-clinical studies on the creation of electric welding intestinal con­nection in anastomosis.

Material and Methods. Based on the quality and strength attributes that were introduced for arterial crossing, the initial requirements in experimental test bench parameters were established. The electric welding source was the adapted clinical EC-300M1 device. Electro-welding tweezers were used in variants of flat electrodes and with tooth-shaped elements, as well as clamps without fixing - and with it, according to increased tissue compression. In acute swine experiment, 3 stapler two-linear 29 mm diameter anastomoses, and 8 welding ones by every instrument type, were applied. All anastomoses were removed and investigated by burst strength and the visual qualities of tissue transformations.

Results and Discussion. The fluid leakage pressure for stapled connection was (24.0±1.0) mm Hg. as a result of cutting the staples, but for clamp with tissue compress ability between electrodes up to 2 N/mm2 leakage needs (18.4±5.8) mm Hg, in the range from 9.2 to 26.8 mm Hg. For other instruments leakage pressure was (10.6±7.2) mmHg. The temperature of electrodes was in the range of 53-86°C. Satisfactory passage of electric current in range from 1 to 5 A has watch in 65% of attempts.

Author Biography

S. S. Podpriatov, Київський центр електрозварювальної хірургії та новітніх технологій, Київська міська клінічна лікарня №1

лікар-хірург-проктолог

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Published

2018-07-20

How to Cite

Podpriatov, S. S., Podpryatov, S. E., Makarov, A. V., Marinsky, G. S., Tkachenko, V. A., Chernets, O. V., … Lopatkina, K. G. (2018). Establishing the first requirements in experimental equipment for investigations and creation conditions of electric welding of intestinal connection. Hospital Surgery. Journal Named by L.Ya. Kovalchuk, (2), 56–60. https://doi.org/10.11603/2414-4533.2018.2.9230

Issue

No. 2 (2018)

Section

EXPERIMENTAL INVESTIGATIONS

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