A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 25/00 (2006.01) A61M 25/10 (2006.01)
Patent
CA 2509288
A method for delivering a therapeutic agent into tissue includes providing a device for delivering a therapeutic agent into tissue. The device has an elongated body; a first balloon in the body expandable from a collapsed position to an expanded position; a second balloon in the body expandable from a collapsed position to an expanded position. The second balloon has a plurality of apertures therein; and a therapeutic agent is located in the second balloon. A plurality of microprojections are located on a surface of the second balloon for penetrating tissue. Upon expansion of the first balloon from the collapsed position to the expanded position, the second balloon is expanded from the collapsed position to the expanded position for deploying the plurality of microprojections into tissue and for dispensing the therapeutic agent from the second balloon into the tissue through the plurality of apertures. The device is placed adjacent a site in the tissue; and the therapeutic agent is delivered into the tissue at the site by expanding the first balloon from the collapsed position to the expanded position.
Krulevitch Peter
Maghribi Mariam
Cordis Corporation
Sim & Mcburney
LandOfFree
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