Drug delivery balloon catheter device
First Claim
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1. 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 includesa balloon-enveloping portion having an inner diameter sized to fit closely around the balloon, anda 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.
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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.
250 Citations
16 Claims
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1. A medical device for delivering a drug internally to a patient'"'"'s body comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification