A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 25/01 (2006.01)
Patent
CA 2502094
The invention relates to a guide device (1), in particular for positioning catheters in a body duct. The guide device (1) has an extended first thread (2) and at least one extended second thread (3) made from wire, which runs close to the first thread (2). According to the invention, the guide device (1) has a device (8), provided for one of the threads (2, 3) by means of which it is possible to actively control a relative movement between the threads (2, 3) or at least make the same difficult. The control device (8) is for example embodied such that the first thread (2), prepared from a flexible material, exerts a pressure, preferably acting in a radial direction, on the several second threads, or that magnetic fields (4) of differing polarities along the first thread (2), prepared from a flexible material and along the second thread (3), may be generated for the selective introduction of an opposing attraction of the threads (2, 3) for reinforcing the guide device (1).
L'invention concerne un dispositif de guidage (1) notamment pour la mise en place de cathéters dans un canal corporel. Ce dispositif de guidage (1) présente un premier brin allongé (2) et au moins un brin secondaire allongé (3) s'étendant à proximité du premier brin (2), lesquels brins sont constitués de fil. Selon la présente invention, ce dispositif de guidage (1) comporte un dispositif (8) associé aux brins (2, 3), au moyen duquel la possibilité d'admettre un mouvement relatif entre ces brins (2, 3) ou au moins de rendre ce mouvement difficile peut être commandée de façon ciblée. Ce dispositif de commande (8) est par exemple conçu de sorte que le premier brin (2) en matière extensible exerce une pression de préférence radiale sur les divers brins secondaires lorsqu'il est étendu ou des champs magnétiques (4) de polarité différente (5) peuvent être produits le long du premier brin de fil (2) et le long du brin secondaire (3) pour éventuellement induire une attraction mutuelle entre les brins (2, 3) afin de renforcer ledit dispositif de guidage (1).
Ridout & Maybee Llp
von Weymarn-Schaerli Alexander
LandOfFree
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