Endoscope treatment tool

A stent system 1 has a stent 2 having a hole and at least an anchor 3 having an arm 33. The stent 2 has a cylindrical shape, in which a sheet is rolled, and a plurality of holes 13 are provided thereon. A grasping portion 33A at the distal end of the arm 33 of the anchor 3 can be inserted into the h...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Goto, Hiroaki, Fujisaki, Ken
Format:	Patent
Sprache:	eng ; fre ; ger
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 DIAGNOSIS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES SURGERY TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	A stent system 1 has a stent 2 having a hole and at least an anchor 3 having an arm 33. The stent 2 has a cylindrical shape, in which a sheet is rolled, and a plurality of holes 13 are provided thereon. A grasping portion 33A at the distal end of the arm 33 of the anchor 3 can be inserted into the holes 13. A grasping force X of the grip 3 is greater than a drag R that the holes of the stent 2 yield. The grip 3 deforms the stent 2, easily grasps the stent 2 and a biological tissue, whereby it is possible to fix the stent 2. In accordance with the present invention, it is possible to reliably fix the stent in a hollow organ.