Drug delivery catheter assembly with inflatable balloon

Details Drug delivery catheter assembly with inflatable balloon Drug delivery catheter assembly with inflatable balloon

A - Human Necessities

61

M

A61M 25/00 (2006.01) A61M 25/10 (2006.01) A61M 25/095 (2006.01)

Patent

CA 2467406

An improved assembly (400) and method for accurately and safely delivering a drug to a selected intracranial site are disclosed. The assembly ensures delivery of the drug to the selected site by providing a barrier which prevents "backflow" or leakage of the drug. The assembly includes a guide catheter (100) having an inflatable balloon (150) which is able to seal or occlude the tract created by the insertion of the guide catheter into the brain. The guide catheter further includes a passageway (120) which receives a delivery catheter (200) through which the drug is administered to the selected site in the brain. Upon delivery of the drug to the selected site, the balloon may be deflated and the assembly removed.

L'invention concerne un ensemble (400) et un procédé améliorés permettant d'administrer un médicament, de manière précise et sûre, jusqu'à un site intracrânien sélectionné. Ledit ensemble assure l'administration du médicament jusqu'au site sélectionné par constitution d'une barrière empêchant une fuite ou une <=coulée>= du médicament. Ledit ensemble comprend un cathéter guide (100) présentant un ballonnet gonflable (150) qui peut rendre étanche ou fermer le tractus créé par l'insertion du cathéter guide dans le cerveau. Ledit cathéter guide comprend en outre un passage (120) qui reçoit un cathéter d'administration (200) à travers lequel le médicament est administré jusqu'au site sélectionné dans le cerveau. Après administration du médicament jusqu'au site sélectionné, ledit ballonnet peut être dégonflé et l'ensemble retiré.

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