Patent ID: 11904123
Assignee: TARIS BIOMEDICAL LLC
Field: Pharmaceuticals (Chemistry)
Classification: CPC A | IPC A

Claim 14:
15. An intravesical drug delivery device comprising:
an elongated body having a first end, an opposed second end, and an intermediate portion between the first and second ends,
wherein the elongated body comprises:
a first lumen extending through the intermediate portion in a direction between the first and second ends and which contains a drug,
a second lumen extending through the intermediate portion in a direction between the first and second ends and which contains a first silicone cured to bias the elongated body in a coiled retention shape, such that the device is elastically deformable between a relatively straightened shape suited for insertion of the device through a urethra and into the urinary bladder of a patient and the coiled retention shape which is suited to retain the device within the urinary bladder, and
a third lumen adjacent to or extending through the elongated body, the third lumen extending in a direction from the first end to the second end,

wherein:
the first lumen is defined by a first annular, polymeric tube,
the second lumen is defined by a second annular, polymeric tube,
the second annular tube has an outer diameter that is less than the inner diameter of the first annular tube,
the second annular tube is located within the first lumen, and
the third lumen is defined by a third annular, polymeric tube which is located within the first lumen, within the second lumen, or within both the first and the second lumen.