Interventional instrument conveying system convenient to withdraw

The invention discloses an interventional instrument conveying system convenient to withdraw, a control handle comprises a first handle and a plurality of sets of driving mechanisms, one set of driving mechanism comprises a second handle located on the near end side of the first handle, and the seco...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZHENG MINGRUI, ZHANG ZHIFEI, MA RENZHENG, LIU WEIWEI, ZENG GUIRONG, LIU ZHAOGANG, MA TIAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	The invention discloses an interventional instrument conveying system convenient to withdraw, a control handle comprises a first handle and a plurality of sets of driving mechanisms, one set of driving mechanism comprises a second handle located on the near end side of the first handle, and the second handle is provided with a first position and a second position; at least one set of locking mechanism is arranged between the first handle and the second handle and used for keeping the relative position of the first handle and the second handle, the locking mechanism comprises a limiting piece and a state assembly, the limiting piece is of an annular structure and is installed on one of the first handle and the second handle in a sliding mode in the radial direction, and the state assembly is connected with the limiting piece. The state assembly acts on the two opposite sides in the radial direction of the limiting piece and is used for keeping the limiting piece in the locking state and switching the limiting