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1.发明申请公开(公告)号：US20210401464A1
公开(公告)日：2021-12-30
申请号：US17371147
申请日：2021-07-09
发明人： Chong Yong Koh , Kiat Jin Cheng
摘要： There is provided an apparatus for extraction of at least one object from a cavity. The apparatus includes a sleeve including an inflatable section configured to surround the at least one object during inflation; a handle configured to enable a user to hold the sleeve, the handle defining a holding edge of an opening at a first portion of the sleeve; and a handle-mount mounted to a peripheral area around the opening, the handle-mount being for attachment of a pump used for inflating the inflatable section. There is also provided a pressure limitation apparatus configured to operate with a birth assistance device when attached via a conduit.
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2.发明授权公开(公告)号：US11097992B2
公开(公告)日：2021-08-24
申请号：US15502185
申请日：2014-08-27
发明人： Chong Yong Koh , Kiat Jin Cheng
IPC分类号： C05G3/04 , A61B17/44 , C05B7/00 , C05F3/00 , C05F5/00 , C05F9/04 , C05F11/00 , C05G3/00 , C09K17/48 , A61B17/00 , C05G3/80 , C05G5/00
摘要： There is provided an apparatus for extraction of at least one object from a cavity. The apparatus includes a sleeve including an inflatable section configured to surround the at least one object during inflation; a handle configured to enable a user to hold the sleeve, the handle defining a holding edge of an opening at a first portion of the sleeve; and a handle-mount mounted to a peripheral area around the opening, the handle-mount being for attachment of a pump used for inflating the inflatable section. There is also provided a pressure limitation apparatus configured to operate with a birth assistance device when attached via a conduit.
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