Abstract
A new bipolar diathermy forceps system was developed to solve the problems of constant, pressure-limited flow rate, and one-sided irrigation. A roller pump, activated synchronously by pressing a foot switch, feeds dripping and flushing solution to the target tissue via the tip at both ends of the forceps. This system is volume-limited. Continuous compression of the foot switch first activates the flushing function, which continues for less than 1 second, during which time bleeding spots can be detected. The flow then changes automatically to the dripping function to suppress tip burning and prevent damage to the surrounding tissues from heat and current leakage. Repeated pressing of the foot switch initiates the jet irrigation function (continuous high flow rates), allowing irrigation of hematomas and removal of excess debris.
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