ELECTROSURGICAL APPARATUS Russian patent published in 1994 - IPC

FIELD: medical engineering. SUBSTANCE: apparatus has control circuit 1, power supply 2, generator 3, connected in series. Electrode 4 is connected to the first output of generator 3 directly, electrode 5 is connected to the second output of generator 3 through current transducer 6. Voltage transducer 7 has inputs connected with electrodes 4 and 5. Calculator 8 is connected with outputs of current transducer 6 and voltage detector 7 by its inputs. Digital-to-analog converter 9 has input connected with output of calculator 8. Register 10 has input connected with output of analog-to-digital converter 9. Permanent storage 11 has input connected with output of register 10. Digital- to-analog converter 12 has input connected with output of permanent storage 11. Amplifier 13 has input connected with output of digital-to-analog converter 12, output of amplifier 13 is connected with additional input of control circuit 1. Multivibrator 14 has input connected with control input of analog-to-digital converter 9. Inverter 15 has input connected with output of multivibrator 14, output of the inverter is connected with control input of register 10. Setting signal source 16 is connected with basic input of control circuit 1. EFFECT: optimized process of tissue destruction; improved speed of operation; little loss of blood. 1 dwg