Drug delivery balloon catheter device
AssigneeBoston Scientific Corporation
InventorVladimir Tsukernik
Life of this patent
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Abstract
A medical device for delivering a drug internally to a patient's body. The medical device includes a catheter with a catheter shaft and a balloon attached to a distal end of the catheter shaft and a flexible, thin-walled sheath extending over the balloon. The sheath includes a balloon-enveloping portion having an inner diameter sized to fit closely around the balloon and a collar distal to, and having an inner diameter slightly smaller than the inner diameter of the balloon-enveloping portion. The collar terminates in an opening, and a tab extends distally from a wall of the sheath.
Claims16
A medical device for delivering a drug internally to a patient's body comprising:
- a catheter with a catheter shaft and a balloon attached to a distal end of the catheter shaft;
- and
- a flexible, thin-walled sheath extending over the balloon, wherein the sheath includes
- a balloon-enveloping portion having an inner diameter sized to fit closely around the balloon, and
- a collar distal to, and having an inner diameter slightly smaller than the inner diameter of, the balloon-enveloping portion, the collar terminating in an opening.
Dependencies are inferred from the claim text.