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Drug delivery spiral coil construct

  • US 9,561,351 B2
  • Filed: 05/31/2006
  • Issued: 02/07/2017
  • Est. Priority Date: 05/31/2006
  • Status: Expired due to Fees
First Claim
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1. An implantable medical device, comprising:

  • a helical construct including a spiral coil and a therapeutic substance for local in vivo application of the therapeutic substance in a biological lumen, wherein the helical construct is configured to apply less than 0.75 Bar of pressure to a wall of the biological lumen when the helical construct is deployed in the biological lumen and after the helical construct is deployed and implanted in the biological lumen, wherein the helical construct is in an expanded configuration, from a reduced configuration, and configured to be in contact with the wall of the biological lumen post deployment and when implanted in the biological lumen, and wherein the helical construct includes a proximal free end and a distal free end, both ends which are configured to be positioned in the biological lumen when the helical construct is expanded and implanted.

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