Drug delivery and dilatation catheter having a reinforced perfusion lumen

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5421826
SERIAL NO

08181399

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An improved drug delivery catheter, for use in the prevention of restenosis of a dilated vascular region, and/or for use in the delivery of a medication to a preselected vascular site. The catheter comprises an elongate body, an inflation balloon disposed about a catheter body. In a drug delivery embodiment, a perforated drug delivery balloon is disposed concentrically about the inflation balloon. In another embodiment, the two balloons are heat sealed together at the distal and proximal ends of the catheter body. A first lumen extends through the catheter body for communicating with the inflation balloon, and a second lumen extends through the body for communicating with the drug delivery balloon. Methods describing the intraluminal delivery of drugs to a site specific location are also disclosed, including the delivery of a drug to a vascular area before, during or after a conventional PTCA procedure.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
CARDIOVASCULAR DYNAMICS, INC.IRVINE, CA16

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chum, Muny Santa Ana, CA 3 360
Crocker, Michael D Mission Viejo, CA 9 401
Henson, Michael R Pleasonton, CA 30 1553

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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