Shanghai Yisi Medical Technology Co., Ltd.;Yisi Suzhou Medical Technology Co., Ltd.
发明人:
申请号：
EP18835786.7
公开号：
EP3656319A1
申请日:
2018.07.09
申请国别(地区):
EP
年份:
2020
代理人:
摘要：
The present application provides a reusable ultrasonic surgical instrument, comprising a cannula subassembly, a scalpel waveguide, a base and a clamping driving component, wherein the cannula subassembly comprises a pair of clamp forceps at a distal end, an external cannula and an internal cannula, and the external cannula and the internal cannula are both provided by being coaxial with the scalpel bar； two rotating shafts are provided at a proximal end of the clamp forceps, one of the two rotating shafts is rotatably connected with the external cannula, the other rotating shaft is rotatably connected with the internal cannula； the cannula subassembly can be dismounted from the base and the clamping driving component towards a distal end direction of the axis of the scalpel bar or be mounted on the base or the clamping driving component towards a proximal end direction of the axis of the scalpel bar； the external cannula is connected with the base by one or multiple first detachable structures； and the internal cannula is connected with the clamping driving component by one or multiple second detachable structures. The present application has the advantages of being simple in structure and low in cost.
