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| Number | Title | Issue Date |
| 3993057 | Intrauterine device that bioerodes in response to the environment of the uterus and method of using An intrauterine device for administering drug locally to the uterus at a controlled rate for a prolonged period of time is disclosed. The device contains a body of polymer capable of bioeroding in the environment of the uterus over a prolonged period of t... | 11/23/1976 |
| 3993058 | Intrauterine device with seeker for finding the cervical os and housing member for fitting device in an inserter Intrauterine device with a seeker and housing member is disclosed. The seeker is a curved-wall member positioned at the lead end of the device for finding, and guiding the device into the external cervical os. The housing member is positioned at the trail... | 11/23/1976 |
| 3973560 | Intrauterine device of C or omega form An intrauterine contraceptive device made from plastic having a C-shape or Omega-shape to enable it to lie in the uterine cavity. Lines of predetermined length are attached at one of their ends respectively to enlargement portions of the terminal ends of ... | 08/10/1976 |
| 3971367 | Intrauterine device having means for changing from uterine-retentive shape to nonuterine-retentive shape An improved intrauterine device which delivers a predetermined therapeutically effective dosage of drug locally to the uterus over a defined period of time is disclosed. The device is initially of a uterine-retentive shape. The device is characterized by ... | 07/27/1976 |
| 3967618 | Drug delivery device A drug delivery device for administering a drug at a controlled rate for a prolonged period of time to produce a local or systemic physiological or pharmacological effect is comprised of a wall surrounding a reservoir containing a drug. The reservoir is f... | 07/06/1976 |
| 3952734 | Intra-uterine-device Intra-uterine-device meant to be inserted into the uterus, comprising an elongated stem, carrying at one end two resilient, canti-levered arms, extending sideways on either side of the stem, which stem is contained within a tube shaped sheath by means of ... | 04/27/1976 |
| 3948254 | Novel drug delivery device A drug delivery device for administering a drug at a controlled rate for a prolonged period of time to produce a local or systemic physiological or pharmacological effect is comprised of a wall surrounding a reservoir containing a drug. The reservoir is f... | 04/06/1976 |
| 3948262 | Novel drug delivery device A drug delivery device for administering a drug at a controlled rate for a prolonged period of time to produce a local or systemic physiological or pharmacological effect is comprised of a wall surrounding a reservoir containing a drug. The reservoir is f... | 04/06/1976 |
| 3938515 | Novel drug permeable wall A polymeric wall adapted to release drug at a controlled rate for a prolonged period of time from a reservoir comprising a drug and a carrier which is permeable to the drug and saturated therewith during said prolonged period of time, to a body environmen... | 02/17/1976 |
| 3935860 | Intrauterine device with restrictor for maintaining device in uterine cavity Intrauterine device with restrictor for maintaining device in uterine cavity having a transverse member and a dependent member connected to the transverse member at a locus on the dependent member with a restrictor on the dependent member for keeping the ... | 02/03/1976 |
| 3934580 | Chemically acting intra-uterine device The invention is directed to an active intrauterine device comprising a hydrophobic substrate of high mechanical resiliency, wherein the substrate including within the volume thereof inclusions of polymerizied hydrophilic substances grafted on the hydroph... | 01/27/1976 |
