Methods and apparatus for sub-retinal catheterization

A - Human Necessities – 61 – M

Patent

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A61M 5/00 (2006.01)

Patent

CA 2762071

Devices and methods are provided for access to the sub-retinal space that lies between the retina and the choroid in order to introduce therapies to the retina and more specifically to the sensory retina and RPE, particularly in the region of the macula. The devices comprise a catheter that incorporates advantageous size, flexibility and tip features to properly, accurately and atraumatically access the sub-retinal space. Ancillary devices to assist in placing catheters into the sub-retinal space are also provided. The catheter devices incorporate a lumen for delivery of therapeutic substances or devices into the eye.

Les dispositifs et procédés ci-décrits permettent d'accéder à l'espace sous-rétinien qui se trouve entre la rétine et la choroïde afin d'introduire des agents et/ou des dispositifs thérapeutiques dans la rétine et plus spécifiquement dans la rétine sensorielle et l'épithélium pigmentaire rétinien (EPR), en particulier, dans la région de la macula. Les dispositifs comprennent un cathéter ayant une taille, une flexibilité et des caractéristiques de pointe avantageuses pour accéder de manière appropriée, précise et atraumatique à l'espace sous-rétinien. Des dispositifs auxiliaires destinés à faciliter la mise en place des cathéters dans l'espace sous-rétinien sont également décrits. Les dispositifs de type cathéter comprennent une lumière permettant l'apport de substances ou de dispositifs thérapeutiques dans l'il.

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