A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 25/09 (2006.01) A61M 25/00 (2006.01)
Patent
CA 2695370
An intracorporeal device includes a shaft having a proximal section including a first elongate member and a distal section including a tubular member and a second elongate member. A proximal region of the tubular member is attached to the distal region of the first elongate member. The second elongate member is disposed within the lumen of the tubular member, and a proximal region of the second elongate member is attached to the proximal region of the elongate tubular member. As such, in some embodiments, the tubular member can function both as a member joining the first and second elongate members, and as a structural element in the distal section of the shaft providing for desired flexibility, torqueability, and/or pushability characteristics. The lateral flexibility of the tubular member can be increased by including less material in the tubular member, while maintaining a good degree to torqueability and/or pushability characteristics. For example, the tubular member can include a plurality of apertures in it.
L'invention concerne un dispositif intracorporel qui comprend un arbre ayant une section proximale comprenant un premier élément allongé et une section distale comprenant un élément tubulaire et un second élément allongé. Une région proximale de l'élément tubulaire est attachée à la région distale du premier élément allongé. Le second élément allongé est disposé à l'intérieur de la lumière de l'élément tubulaire et une région proximale du second élément allongé est attachée à la région proximale de l'élément tubulaire allongé. Tel quel, dans certains modes de réalisation, l'élément tubulaire peut fonctionner à la fois comme un élément joignant les premier et second éléments allongés et comme un élément structurel dans la section distale de l'arbre assurant les caractéristiques voulues en termes de flexibilité, d'aptitude à la fourniture de couple et d'aptitude au poussage. La flexibilité latérale de l'élément tubulaire peut être accrue en incluant moins de matériau dans l'élément tubulaire, tout en maintenant à un degré élevé les caractéristiques d'aptitude à la fourniture de couple et/ou d'aptitude au poussage. Par exemple l'élément tubulaire peut inclure une pluralité d'ouvertures à l'intérieur.
Parins David J.
Boston Scientific Limited
Cassan Maclean
LandOfFree
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