Sheath for loading and retracting prosthetic implant and delivery system

A sheath for loading and retrieving a prosthetic implant is disclosed, which includes a tube. The tube has opposing distal and proximal ends in its axial direction, and the distal end has a plurality of support rods arranged at intervals in a circumferential direction of the tube and having relative...

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Bibliographische Detailangaben
Hauptverfasser:	Zheng, Mingrui, Wang, Jianan, Ma, Renzheng, Liu, Meirong
Format:	Patent
Sprache:	eng
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY 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:	A sheath for loading and retrieving a prosthetic implant is disclosed, which includes a tube. The tube has opposing distal and proximal ends in its axial direction, and the distal end has a plurality of support rods arranged at intervals in a circumferential direction of the tube and having relative converged and flared configurations. A plurality of connecting strips are provided in the axial direction between two adjacent support rods, and each connecting strip is folded back and forth in the converged configuration and tends to be straightened in the flared configuration relative to the converged configuration. The straightened lengths of the connecting strips increase sequentially from the proximal end to the distal end, and two ends of each connecting strip are connected to the support rods on the corresponding sides and the connecting portions have the same axial level.