Ureter sheath

The invention relates to a ureter sheath. A ureter sheath comprises a sheath base, the rear end of the sheath base is provided with a cavity for a dilator to stretch in, the rear end of the dilator is connected with a dilator handle, the inner wall of the rear end of the sheath base and the outer wa...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GONG QINGMING, LOU HANGDI, PAN QINGHAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	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 HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE
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Beschreibung
Zusammenfassung:	The invention relates to a ureter sheath. A ureter sheath comprises a sheath base, the rear end of the sheath base is provided with a cavity for a dilator to stretch in, the rear end of the dilator is connected with a dilator handle, the inner wall of the rear end of the sheath base and the outer wall of the dilator handle are provided with a first positioning part and a second positioning part which are matched with each other, and the first positioning part and the second positioning part extend in the radial direction. The first positioning portion is provided with a positioning groove with a forward opening, the second positioning portion forms a positioning protrusion used for stretching into the positioning groove, the positioning groove penetrates through the radial side wall of the first positioning portion, an elastic piece is arranged in the rear end of the sheathing canal, and the rear end of the dilator or the dilator handle is provided with a contact face used for making contact with the rear end