Surgery – Female reproductory tract shields – supports – or birth... – With contraceptive – spermacidal – or antifertility agent
Reexamination Certificate
2005-05-19
2010-12-07
Bianco, Patricia M (Department: 3772)
Surgery
Female reproductory tract shields, supports, or birth...
With contraceptive, spermacidal, or antifertility agent
Reexamination Certificate
active
07845355
ABSTRACT:
The present invention provides improved rim designs for diaphragms or any similar intravaginal device and methods for producing same. The rim designs of the present invention improve, among other characteristics of the rim, structural durability, manufacturability, ease of insertion, comfort in use, and ease of removal of intravaginal devices. These designs incorporate one or more recesses in the inner portion of a rim piece that provide an attachment site for a separate dome piece. Attachment within a recess shields the exposed outer edge of the dome material from contact with epithelial surfaces and improves comfort and safety. In certain embodiments of the invention, a thinned inner portion of the rim serves as a handle that can be easily grasped by a finger to remove the device from the vagina. These devices are useful in providing a protective cervical barrier for contraception and disease prevention, to deliver beneficial agents, and as a means to collect and remove substances from the vagina.
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Cone Richard A.
Moench Thomas R.
Wills Randy
Bianco Patricia M
Nguyen Camtu T
Reprotect, Inc.
The Johns Hopkins University
Whyte Hirschboeck Dudek SC
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