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

Claim 13:
14. 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 third lumen is gas-filled and sealed at its ends to promote buoyancy of the device in the bladder.