A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 1/005 (2006.01) A61M 25/01 (2006.01)
Patent
CA 2235643
The invention relates to a roll-back tube construction as transporting means, preferably for a flexible endoscope shaft, with a silicone roll-back tube consisting of an inner tube section which at least at one turn-back area is turned back to form an outer tube section and is provided with a reinforcement. The reinforcement consists of a nylon filament winding with a pitch of 0.2 to 2 mm about a silicone tube, which reinforcement is in turn surrounded by a silicone covering. The roll-back tube construction is designed in accordance with the type of tube which can be rolled back at both ends, where front and rear outer tube sections are connected at one end by means of a tube-guiding sleeve arranged between them, through which an inner tube section extends. The tube-guiding sleeve is used for mounting a roll-back tube drive.
La présente invention fait état d'un tube replié destiné, de préférence, au déplacement d'un tube d'endoscope flexible. Le tube replié consiste en un tube interne qui, au moins à un point, est replié afin de former un tube externe. Il comporte également un renfort constitué d'un enroulement de fils de nylon, dont l'écartement angulaire mesure entre 0,2 et 2 mm, entourant un tube de silicone. Le renfort est à son tour recouvert d'un revêtement en silicone. Le tube replié est fabriqué à l'instar des tubes pouvant être repliés aux deux extrémités. Les sections externes avant et arrière du tube sont reliées, à une extrémité, au moyen d'un manchon de guidage placé entre les deux sections. Une partie du tube interne se prolonge dans le manchon de guidage, qui sert au montage du dispositif d'entraînement du tube replié.
Pauker Fritz
Pauker Robert
Viebach Thomas
Weiglhofer Gerhard
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Stm Medizintechnik Starnberg Gmbh
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