Electrosurgical generator

An electrosurgical generator with a high-voltage power supply that supplies a DC output voltage receives the DC output voltage of the high-voltage power supply and generates a high-frequency AC output voltage. When generator is operating, a control unit receives signals from an AC output voltage mea...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Breitsprecher, Frank, Janich, Fabian, Dijkstra, Jelle
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRONIC CIRCUITRY CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONTROLLING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DIAGNOSIS ELECTRICITY GENERATION HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE PHYSICS PULSE TECHNIQUE REGULATING SURGERY SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	An electrosurgical generator with a high-voltage power supply that supplies a DC output voltage receives the DC output voltage of the high-voltage power supply and generates a high-frequency AC output voltage. When generator is operating, a control unit receives signals from an AC output voltage measuring unit and current measuring unit. The control unit limits an increase of DC output voltage of the high-voltage power supply as soon one predefined maximum value is reached or exceeded. When the generator is operating, the control unit configured to receive signals from a DC output voltage measuring unit that represent a respective current value of the DC output voltage, and to compare a respective current value of DC output voltage with a predefined minimum value for DC output voltage, and to cause the DC output voltage of the high-voltage power supply to increase as soon as it falls below the predefined minimum value.