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Reservoirs with subretinal cannula for subretinal drug delivery

  • US 7,794,437 B2
  • Filed: 01/26/2004
  • Issued: 09/14/2010
  • Est. Priority Date: 01/24/2003
  • Status: Expired due to Fees
First Claim
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1. A subretinal delivery device comprising:

  • a reservoir;

    a cannula extending from the reservoir, the cannula having a length and being configured such that it extends from the reservoir through the vitreous and through the retina with a distal end terminating in a subretinal space when the reservoir is disposed exterior the eye on the sclera or when the reservoir is disposed within the eye;

    a securing mechanism near the distal end of the cannula configured to secure a distal portion of the cannula to the retina; and

    wherein the cannula is configured so that an agent in the reservoir is released from the reservoir through the cannula to the eye subretinally.

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