Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Particulate form
Reexamination Certificate
2011-03-15
2011-03-15
Azpuru, Carlos A (Department: 1617)
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Particulate form
Reexamination Certificate
active
07906148
ABSTRACT:
According to an aspect of the present invention, a medical article is provided which comprises a latex antimicrobial region. The latex antimicrobial region can constitute the entirety of the medical article, or it can constitute only a portion of the medical article. The latex antimicrobial region comprises release-modulating microparticles, which are dispersed within a latex polymer. The release-modulating microparticles further comprise an antimicrobial agent, and the microparticles are adapted to release the antimicrobial agent. Examples of medical articles that can be produced in accordance with the present invention are gloves, finger cots, supply and drainage tubes, catheters, condoms, and contraceptive diaphragms. Also described are methods for forming such articles.
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Matsumura, Yoshinobu et al., “Mode of Bactericidal Action of Silver Zeolite and Its Comparison with That of Silver Nitrate,” Applied and Environmental Microbiology, vol. 69, No. 7, Jul. 2003, pp. 4278-4281.
Azpuru Carlos A
Bonham David B.
Boston Scientific Scimed Inc.
Mayer & Williams PC
Park Keum J.
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