A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/34 (2006.01) A61M 25/06 (2006.01)
Patent
CA 2430749
Systems, kits, and methods for establishing vascular access are described. A system may include a needle, a radially expandable sleeve and a dilator. The methods include creating an initial tissue tract to a target blood vessel with a radially expandable sleeve mounted on a needle. Upon removal of the needle, the dilator is then passed through the radially expandable sleeve to effect radial expansion of the sleeve. Use of the sleeve reduces the risk of injuring tissue surrounding the tissue tract by lessening the axial forces imparted to the tissue. Kits comprise at least the radially expandable sleeve together with instructions for use.
La présente invention concerne des systèmes, des trousses, et des procédés permettant d'établir un accès vasculaire. Un système peut comprendre une aiguille, un manchon radialement expansible et un dilatateur. Les procédés comportent la création d'une voie tissulaire initiale vers un vaisseau sanguin cible au moyen d'un manchon expansible monté sur une aiguille. Lorsque l'aiguille est enlevée, le dilatateur est alors passé à travers le manchon radialement expansible pour effectuer une dilatation radiale du manchon. L'utilisation du manchon réduit le risque d'endommager le tissu entourant la voie tissulaire en réduisant les forces axiales imprimées aux tissus. Les trousses comportent au moins le manchon radialement expansible avec le mode d'emploi.
Carlson John E.
Mackenzie Andrew J.
Innerdyne Inc.
Mcfadden Fincham
Tyco Healthcare Group Lp
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