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Updated: Mar 1, 2026

A Saline/Bipolar Radiofrequency Energy Device As an Adjunct for Hemostasis in Solid Organ Injury/Trauma

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Haemostasis by Computerised Bipolar Diathermy.

Bertil Vällfors¹, Björn Bergdahl¹

¹Department of Neurosurgery, Sahlgrenska Hospital, University of Göteborg, Göteborg, Sweden.

Surgical Technology International

|June 6, 2017

Summary

Computerized bipolar diathermy offers improved control over surgical coagulation by using electronic feedback to automatically manage the process. This system prevents tissue desiccation and forceps sticking, enhancing surgical efficiency and safety.

Area of Science:

Surgical Technology
Electrosurgery
Biomedical Engineering

Background:

Modern bipolar diathermy presents challenges in regulating short coagulation, including usability issues, mechanical failures, and time inefficiency.
These limitations impact surgical precision and workflow, necessitating advancements in electrosurgical techniques.

Purpose of the Study:

To introduce and evaluate a computerized bipolar diathermy system designed to overcome the limitations of conventional methods.
To highlight the system's application and benefits across various surgical subspecialties.

Main Methods:

The computerized bipolar diathermy system utilizes electronic feedback based on tissue impedance.
Coagulation is automatically initiated and terminated when forceps engage a blood vessel.

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The system's shut-off mechanism is calibrated to a specific impedance point, correlating to optimal tissue temperature (60-90°C).

Main Results:

The system ensures coagulation occurs effectively without leading to tissue desiccation, fulguration, or forceps adherence.
Electronic feedback provides precise control over the coagulation course, improving upon manual regulation.
The technology has achieved broad acceptance in neurosurgery and other surgical fields.

Conclusions:

Computerized bipolar diathermy offers a significant advancement over traditional methods by providing automated, precise control of surgical coagulation.
The system enhances surgical safety and efficiency by preventing complications associated with over-coagulation.
Its widespread adoption underscores its value in modern surgical practice.