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At least 325 records · Page 18Linked to original sources
PubMed1978

Electrosurgery in laparoscopy.

The two factors that probably contributed most to the bowel burns that have occurred during monopolar laparoscopy were the use of higher-than-necessary voltages and the electrical isolation of the salpinx. Preferably, low-peak voltages should be used. If the two-burn technique is used, desiccation should be from distal to proximal to avoid electrical isolation of the salpinx. Bipolar laparoscopy is unquestionably safer than monopolar, but it is also harder to perform because the salpinx must be grasped repeatedly on both sides to desiccate the required 2 to 3 cm of tissue. Moreover, electrosurgical cutting with bipolar forceps is not very practical because the spark punches through to the opposite jaw and the cutting stops. Bipolar forceps that can make a mechanical cut after desiccation are available for those who desire this feature. Metal trocar sleeves are recommended for use with the monopolar, single-puncture technique only. They are not necessary for the bipolar or double-puncture monopolar techniques.

Burns, Electric↗
PubMedDate not supplied

[The technology of high-frequency cold-hot plasma ablation for small invasive electrosurgery].

The mechanism of high-frequency cold-plasma ablation is radically different from thermal impact by high-frequency current in traditional high-frequency surgery. As for the former, the effect is insured due to a local low-temperature molecular disintegration of tissue with the tissue being simultaneously removed from the surgery zone. The technology is based on induction of a stable plasma stratum in the plasma-forming medium by using a high-frequency generator. Kinetic processes occurring in a stationary strongly ionized plasma are under discussion in the paper. The function of the distribution of carriers of the ion containing (Na+, Cl-, K+, Cl-) plasma charge is shown to be close to Maxwellian distribution. The described evaluations of parameters are fundamental criteria for designing a unit that ensures the process of high-frequency cold-plasma ablation. Finally, the stability criteria were analyzed for the low-temperature plasma field.

Chlorides↗
PubMed1978

Principles and hazards of electrosurgery including laparoscopy.

The understanding of the basic principles governing current flow through the body is necessary for the safe application of electrosurgical technique. They also may provide a guide to the design of laboratory studies which are needed to understand completely the ubiquitous nature of radiofrequency current distribution in surgical procedures.

Burns, Electric↗