Surgery – Female reproductory tract shields – supports – or birth... – With contraceptive – spermacidal – or antifertility agent
Reexamination Certificate
2006-07-25
2006-07-25
Bennett, Henry (Department: 3743)
Surgery
Female reproductory tract shields, supports, or birth...
With contraceptive, spermacidal, or antifertility agent
C128S830000
Reexamination Certificate
active
07080647
ABSTRACT:
A T-shaped intrauterine device includes a longitudinal branch constituting a body of the T, to the upper higher of which is connected a transversal stem constituting the arms of the T. The body of the T is made up of a fiber that releases an active substance. The fiber constituting the body of the T presents a transverse channel on its upper part. The arms are inserted by force into the channel to form two equal arms on opposite side of the body.The stem forming the arms presents a curved form so that a wedging force exercised by the body on the stem is such that the latter is usually held in the channel in a position where the arms are oriented downwards of the body, while it is allowed to pivot in the channel until the arms are oriented upwards of the body under the effect of constraint exercised on the arms at the time of the extraction from the womb by an extraction wire of the device.
REFERENCES:
Lehtinen, Device for the release of an active agent, Jan. 18, 1996, International Publication No. WO, 96/01092.
Armstrong Kratz Quintos Hanson & Brooks, LLP
Bennett Henry
Nguyen Camtu
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