A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 5/00 (2006.01) A61M 25/01 (2006.01)
Patent
CA 2329742
A tube and stylet assembly (12) for the controlled deflection of the tube is shown. The stylet (16) is received in the lumen (28) of the tube (14). The stylet includes a first filament (42) having proximal and distal ends and a second filament (44) having proximal and distal ends wherein the proximal and distal ends of the second filament are joined to the first filament such that a surface of the second filament abuts a surface of the first filament. Deflection of the first and second filaments along a plane substantially perpendicular to the abutting surfaces of the first and second filaments necessarily results in a corresponding, opposite deflection of the first and second filaments a spaced distance from the first deflection point. Therefore, a user can control deflection of one portion of the tube and stylet through manipulation of a second portion of the tube and stylet. This structure is particularly useful in inserting a gastric tube either nasally or orally.
Cette invention se rapporte à un ensemble à tube et à stylet (12) servant à commander la flexion du tube en question. A cet effet, le stylet (16) vient se loger dans le passage (28) du tube (14). Le stylet comprend un premier filament (42) présentant des extrémités proximale et distale et un second filament (44) présentant des extrémités proximale et distale, lesquelles sont jointes au premier filament de telle sorte qu'une surface du second filament vient buter contre une surface du premier filament. La flexion des premier et second filaments le long d'un plan essentiellement perpendiculaire aux surfaces de butée des premier et second filaments entraîne nécessairement une flexion opposée correspondante des premier et second filaments à une certaine distance du premier point de flexion. Ainsi, l'utilisateur peut commander la flexion d'une partie du tube et du stylet par manipulation d'une seconde partie du tube et du stylet. Cette structure est particulièrement utile lors de l'introduction de tubes gastriques soit par voie nasale soit par voie buccale.
Lang Michener Llp
Schroeder Michael
LandOfFree
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