Fallopian tube obturating device
阅读：133发布：2023-04-14
专利汇可以提供Fallopian tube obturating device专利检索，专利查询，专利分析的服务。并且A surgical device for obturating the fallopian tubes at the point of juncture with the walls of the uterus to effect temporary female sterilization. The device is positioned through the cervix using an endoscope and pneumatic insuflating means, and includes a removable plug member which permits normal ovulation.，下面是Fallopian tube obturating device专利的具体信息内容。
1. A fallopian tube obturator for use in effecting permanent or reversible female sterilization by positioning the same to overlie the lumen of said fallopian tube, said obturator comprising: a main body element including a frusto-conically-shaped member of diameter permitting entry into a fallopian tube, and a radially-extending flange forming a stop means located at a larger end thereof, said frusto-conical member including a tapered through bore, the larger end of which is threaded, said plug element being of correspondingly tapered configuration and having a mating threaded outer surface; whereby the tapered fit between said plug element and said frusto-conical member serves as a guide to facilitate engagement therebetween, and limit the extent of said engagement to a predetermined degree.
2. A fallopian tube obturator for use in effecting permanent or reversible female sterilization by positioning the same to overlie the opening to the lumen of said fallopian tube, said obturator comprising a main body element having means thereon for engaging tissue bordering said lumen, and defining a generally centrally positioned threaded opening overlying said opening to said lumen, a plug element having threaded means selectively engaged with said opening to close said lumen; said main body element having first tool-engaging means, said plug element including second tool-engaging means concentrically arranged with respect to said first tool-engaging means, whereby said obturator may be installed in position as a unit, and engagement of said first and second tool-engaging means permits the holding of said body element in installed position while disengaging said plug element therefrom.
3. Structure in accordance with claim 2, further characterized in said main body element being of a generally planar configuration and having an inner surface having hooked means extending therefrom for positive engagement with a portion of a uterine wall surrounding the lumen of a fallopian tube; said main body element defining a threaded centrally disposed opening, said plug element including a domed inner wall adapted to exert a sealing pressure against the opening to said lumen.
4. The method of effecting reversible female sterilization, comprising the steps of: providing a composite fallopian tube obturator including a main body element having means thereon for engaging tissue bordering said lumen and defining a generally centrally positioned threaded opening overlying the opening to said lumen, and a plug element having threaded means selectively engaged with said opening to close said lumen, said main body element having first tool-engaging means, said plug element having tool-engaging means; providing a composite manipulative tool including a hollow tube having first means engaging said first tool-engaging means, and a shaft disposed within said hollow tube and rotatably and axially movable relative thereto, said shaft having means selectively engaging said second tool-engaging means; engaging said obturator, using said tool whereby said plug element engaged with said main body element overlies and closes the opening to the lumen of a fallopian tube, and removing said plug element, as required, by engaging said first means with said first tool-engaging means on said main body element to hold said main body element in installed position while engaging said means on said shaft with said second tool-engaging means to disengage and remove said plug element with respect to said main body element.
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