Scissors for minimally invasive surgery with flexibility and rotation resistance

The invention discloses a pair of scissors for a minimally invasive surgery with flexibility and rotation resistance. The pair of scissors comprises an operation part, a flexible extension part and a control part, wherein the flexible extension part comprises a flexible hose arranged in the center,...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WANG BAOLEI, DIAO CHUNPENG, JIANG ZHAOZHI, JIANG ZENGLI
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention discloses a pair of scissors for a minimally invasive surgery with flexibility and rotation resistance. The pair of scissors comprises an operation part, a flexible extension part and a control part, wherein the flexible extension part comprises a flexible hose arranged in the center, at least two strand coiling layers which are stacked and sheathe the outer wall of the flexible hose and a transmission rope arranged in the flexible hose in a penetrating way, each strand coiling layer is formed by coiling at least five strands from one end of the flexible hose to the other end of the flexible hose, and coiling directions of any two adjacent strand coiling layers are opposite; the operation part comprises a first scissor body and a second scissor body which are intersected and pivoted by virtue of a connecting shaft pin as well as an operation device used for controlling the first scissor body and the second scissor body to act, the front end of the transmission rope is connected with the operatio