Back to results
US 4,374,517 AGranted
Endoscope type high frequency surgical apparatus
AssigneeOlympus Optical Co., Ltd.
InventorToshihiko Hagiwara
Life of this patent
Estimating the term…
Abstract
An endoscope type high frequency surgical apparatus wherein a high frequency current feedback pin is mounted on a connector of an endoscope in electrical connection to a metal section of the endoscope and also detachably connected to a feedback terminal of a light source unit; and said feedback terminal is connected to a patient output terminal of a high frequency power supply source through a feedback line.
Claims4
An endoscope type high frequency surgical apparatus which comprises:
- an endoscope provided with a forceps channel, connector, metal section and high frequency current feedback contact which is mounted on the connector in electrical connection to the metal section;
- a light supply unit to which the endoscope connector is detachably fitted, and which is provided with a light source and a high frequency current feedback terminal detachably connected to the high frequency current feedback contact in accordance with the connection and removal of said endoscope connector;
- a high frequency powder supply source which generates high frequency surgical energy and is provided with an active output terminal and patient output terminal;
- a diathermic snare means inserted into the forceps channel of the endoscope in contact with the active terminal;
- patient electrode means connected to the patient output terminal;
- and
- high frequency current feedback means for electrically connecting the feedback terminal of the light supply unit to the paient output terminal of the high frequency power supply source.
4 more elements
Dependencies are inferred from the claim text.