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    • 3. 发明授权
    • System for effecting embryo transplant
    • 影响胚胎移植的系统
    • US5656010A
    • 1997-08-12
    • US438162
    • 1995-05-09
    • Jiewen LiAugust RiekeBilly N. DayRandall S. Prather
    • Jiewen LiAugust RiekeBilly N. DayRandall S. Prather
    • A61B17/42A61B17/43A61D19/02A61D19/04A61D7/00
    • A61D19/04A61B17/43A61D19/027A61B17/4241A61B2090/036
    • The invention involves a system for effecting the nonsurgical transplant of embryos into the uterus of an animal. The system comprises (1) a long tubular gripping instrument having an open forward end configured for gripping the walls of the cervix of the uterus when the instrument is inserted to a position inside the cervix, and (2) a probe having a long tubular body which extends through the tubular gripping instrument, the probe being manipulatable to effect movement of the probe relative to the gripping instrument to facilitate passage of the probe and the gripping instrument through the cervix to a position generally adjacent the body of the uterus, and (3) an embryo carrier for carrying one or more embryos to be placed in the uterus of the animal. The embryo carrier is sized for insertion in and through the tubular probe to an embryo release position for release of the embryos into the uterus.
    • 本发明涉及一种用于将胚胎非手术移植到动物子宫中的系统。 该系统包括(1)一种长管状夹持器具,其具有设置成当器械插入子宫颈内部位置时夹持子宫颈的壁的开口前端,以及(2)具有长管状体的探针 其延伸穿过管状夹持器械,探头可操作以实现探针相对于夹持器械的运动,以便于将探针和夹持器械通过子宫颈通过到与子宫主体相邻的位置,并且(3 )用于携带一个或多个胚胎以放置在动物子宫中的胚胎载体。 胚胎载体的尺寸适于插入并穿过管状探针至胚胎释放位置以将胚胎释放到子宫中。
    • 4. 发明授权
    • Method of effecting embryo transplant
    • 影响胚胎移植的方法
    • US5558636A
    • 1996-09-24
    • US438174
    • 1995-05-09
    • Jiewen LiAugust RiekeBilly N. DayRandall S. Prather
    • Jiewen LiAugust RiekeBilly N. DayRandall S. Prather
    • A61B17/42A61B17/43A61D19/02A61D19/04A61M31/00
    • A61D19/04A61B17/43A61D19/027A61B17/4241
    • This invention is directed to a method of effecting the non-surgical transplant of embryos into the uterus of an animal. The method involves the use of a long tubular gripping instrument having an open forward end and an external gripping formation generally adjacent its forward end. A probe with a long tubular body having an open forward end extends axially inside the gripping instrument. A probing member projects in a generally non-axial direction from the probe body generally adjacent its forward end. The method comprises the steps of inserting the gripping instrument, forward end first, into a cervix of the uterus, and establishing a grip between the walls of the cervix and the external gripping formation on the gripping instrument. While maintaining said grip, the gripping instrument is pulled in a rearward direction to straighten the cervix. At the same time the the probe is pushed in a forward direction to advance the probing member through the cervix to a position generally adjacent a body of the uterus. An embryo carrier is then placed inside the probe body and moved to an embryo release position for release of embryos from the carrier into the uterus.
    • 本发明涉及一种将胚胎非手术移植到动物子宫中的方法。 该方法包括使用长管状夹持器具,其具有大致相邻于其前端的敞开的前端和外部夹持结构。 具有开放的前端的长管体的探针在夹持器具内部轴向延伸。 探测构件大致在非轴向方向上从探头主体突出,大致相邻其前端。 该方法包括以下步骤:将握持器械首先将前端插入子宫颈,并在子宫颈壁和夹持器具上的外部夹持结构之间建立夹持。 在保持所述把手的同时,夹持器械沿向后方向拉伸以使子宫颈伸直。 同时,探针被向前推动以将探测构件通过子宫颈推进到大致邻近子宫体的位置。 然后将胚胎载体放置在探针体内并移动到胚胎释放位置,以将胚胎从载体释放到子宫中。
    • 8. 发明授权
    • Complete oocyte activation using an oocyte-modifying agent and a reducing agent
    • 使用卵母细胞修饰剂和还原剂完成卵母细胞活化
    • US06211429B1
    • 2001-04-03
    • US09100167
    • 1998-06-18
    • Zoltan MachatyRandall S. Prather
    • Zoltan MachatyRandall S. Prather
    • C12N1500
    • C12N15/8771C12N5/0609C12N2517/10
    • Provided is a method of parthenogenetically activating an unfertilized mammalian oocyte, comprising contacting an unfertilized mammalian oocyte with an oocyte-modifying agent followed by a reducing agent, wherein the mammalian oocyte is in contact with the oocyte-modifying agent and reducing agent, respectively, for a time and under conditions such that the unfertilized mammalian oocyte is activated. Also provided are methods for transplanting a nucleus from a cultured mammalian cell, mammalian embryo, mammalian fetus, or an adult mammal to a recipient mammalian oocyte; producing a cloned mammalian embryo; and producing a cloned mammal, as well as the cloned products produced by these methods. Finally, a method of studying genetic imprinting in mammals is also provided.
    • 提供了一种孤雌激活未受精的哺乳动物卵母细胞的方法,包括使未受精的哺乳动物卵母细胞与卵母细胞修饰剂接触,然后还原剂接触,其中哺乳动物卵母细胞分别与卵母细胞改性剂和还原剂接触,用于 时间和条件使得未受精的哺乳动物卵母细胞被激活。 还提供了将细胞核从培养的哺乳动物细胞,哺乳动物胚胎,哺乳动物胎儿或成年哺乳动物移植到受体哺乳动物卵母细胞的方法; 产生克隆的哺乳动物胚胎; 并产生克隆的哺乳动物,以及通过这些方法产生的克隆产物。 最后还提供了一种研究哺乳动物遗传印记的方法。