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公开(公告)号：US5009251A
公开(公告)日：1991-04-23
申请号：US271730
申请日：1988-11-15
申请人： Kelly A. Pike , Stephen R. Hessel
发明人： Kelly A. Pike , Stephen R. Hessel
CPC分类号： F16K31/52416 , A61M5/16881 , A61M2205/0244 , A61M5/141 , Y10T137/85938 , Y10T137/87064 , Y10T137/87306
摘要： Disclosed is a variable fluid flow controller for regulating the rate of flow from a source of fluid under pressure, comprising a plurality of unique flow restriction passagways, a valve associated with each passageway, and a rotatable cam for selectively opening any one of the valves while maintaining the remaining valves closed. The flow restriction passageway preferably comprises a channel etched on the surface of a first silicon wafer and enclosed by a second wafer to form a fluid flow passageway, one of the first or second wafers having a plurality of apertures therethrough for intersecting the passageway at various distances along its length.
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公开(公告)号：US5190556A
公开(公告)日：1993-03-02
申请号：US672535
申请日：1991-03-19
申请人： Stephen R. Hessel
发明人： Stephen R. Hessel
IPC分类号： A61B5/15 , A61B10/00 , A61B17/122 , A61B17/125 , A61B17/32 , A61B17/42
CPC分类号： A61B5/150038 , A61B17/122 , A61B5/154 , A61B10/0045 , A61B17/32 , A61B17/42 , A61B2017/1225
摘要： There is disclosed herein a device and method for clamping and cutting an umbilical cord so as to enable blood samples to be collected. Clamps are provided as either part of the device or separate therefrom to clamp off a section of the umbilical cord for the cutting and sampling process. The device includes a housing which accommodates vials for receiving the blood samples.
摘要翻译： 这里公开了用于夹紧和切割脐带的装置和方法，以便能够收集血液样本。 夹具被提供作为装置的一部分或与其分离，以夹紧脐带的一部分用于切割和取样过程。 该装置包括容纳用于接收血液样品的小瓶的壳体。
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公开(公告)号：US5415665A
公开(公告)日：1995-05-16
申请号：US9020
申请日：1993-01-26
IPC分类号： A61B5/15 , A61B10/00 , A61B17/122 , A61B17/125 , A61B17/32 , A61B17/42 , A61B17/00
CPC分类号： A61B5/150038 , A61B17/122 , A61B5/154 , A61B10/0045 , A61B17/32 , A61B17/42 , A61B2017/1225
摘要： There is disclosed herein a device for clamping and cutting an umbilical cord so as to enable blood samples from the umbilical cord to be collected and/or tested. The device provides for the clamping of a severed end of an umbilical cord and the automatic ejection of that clamped end. The device also provides for the cutting of an umbilical cord without using excessive force regardless of the size of the umbilical cord. Additionally, the device provides for the valved use of vacuum tubes to collect umbilical cord blood samples. Furthermore, the device enables the measurement of blood values at the moment of cutting the umbilical cord. Finally, the device also provides for the protection of users and others from exposure to sharps and blood.
摘要翻译： 本文公开了一种用于夹紧和切割脐带的装置，以便能够收集和/或测试来自脐带的血样。 该装置用于夹紧脐带的切断端并自动弹出夹紧端。 该装置还提供脐带的切割而不用过大的力而不管脐带的尺寸如何。 此外，该装置提供了有用的真空管来收集脐带血样品。 此外，该装置能够在切割脐带时测量血液值。 最后，该设备还提供了保护用户和其他人免受锐利和血液暴露。
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公开(公告)号：US4915693A
公开(公告)日：1990-04-10
申请号：US240757
申请日：1988-09-02
申请人： Stephen R. Hessel
发明人： Stephen R. Hessel
IPC分类号： A61M5/152
CPC分类号： A61M5/152 , Y10S128/12
摘要： Disclosed is an elastomeric bladder infusion pump which may be used for delivering a pharmaceutically active material to a patient at a substantially constant flow rate. A unitary internal stress member or mandrel is disposed within the bladder, prestressing the bladder in both the axial and radial dimensions.
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公开(公告)号：US5263935A
公开(公告)日：1993-11-23
申请号：US689986
申请日：1991-04-23
申请人： Stephen R. Hessel
发明人： Stephen R. Hessel
CPC分类号： A61M5/152 , Y10S128/12
摘要： Disclosed is an elastomeric bladder infusion pump which may be used for delivering a pharmaceutically active material to a patient at a substantially constant flow rate. A unitary internal stress member or mandrel is disposed within the bladder, prestressing the bladder in both the axial and radial dimensions.
摘要翻译： 公开了一种弹性体膀胱输液泵，其可用于以基本恒定的流速将药物活性物质递送至患者。 整体内部应力构件或心轴设置在气囊内，在囊和轴向尺寸上预应力。
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公开(公告)号：US5120315A
公开(公告)日：1992-06-09
申请号：US691675
申请日：1991-04-25
申请人： Stephen R. Hessel
发明人： Stephen R. Hessel
IPC分类号： A61M5/152
CPC分类号： A61M5/152 , Y10S128/12
摘要： Disclosed is an elastomeric bladder infusion pump which may be used for delivering a pharmaceutically active material to a patient at a substantially constant flow rate. A unitary internal stress member or mandrel is disposed within the bladder, prestressing the bladder in both the axial and radial dimensions.
摘要翻译： 公开了一种弹性体膀胱输液泵，其可用于以基本恒定的流速将药物活性物质递送至患者。 整体内部应力构件或心轴设置在气囊内，在囊和轴向尺寸上预应力。
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公开(公告)号：US5797922A
公开(公告)日：1998-08-25
申请号：US821111
申请日：1997-03-20
申请人： Stephen R. Hessel , Michael Katz
发明人： Stephen R. Hessel , Michael Katz
IPC分类号： A61B17/122 , A61B17/128 , A61B17/42 , A61B17/00
CPC分类号： A61B17/122 , A61B17/128 , A61B17/42
摘要： A clamping device for securing a pair of clamps to the umbilical cord of a newly born infant includes pressure plates to remove blood from the section of the cord between the clamps. Thus, there is a greatly reduced risk of infection from blood squirting out upon the cutting of the cord during delivery of the infant.
摘要翻译： 用于将一对夹具固定到新出生的婴儿的脐带的夹紧装置包括用于从夹子之间的绳索部分移除血液的压力板。 因此，在输送婴儿期间切断电线时，血液喷出的感染风险大大降低。
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8.发明授权
公开(公告)号：US5520699A
公开(公告)日：1996-05-28
申请号：US341760
申请日：1994-11-18
IPC分类号： A61B5/15 , A61B10/00 , A61B17/122 , A61B17/125 , A61B17/32 , A61B17/42 , A61B17/00
CPC分类号： A61B5/150038 , A61B17/122 , A61B5/154 , A61B10/0045 , A61B17/32 , A61B17/42 , A61B2017/1225
摘要： There is disclosed herein a device for clamping and cutting an umbilical cord so as to enable blood samples from the umbilical cord to be collected and/or tested. The device provides for the clamping of a severed end of an umbilical cord and the automatic ejection of that clamped end. The device also provides for the cutting of an umbilical cord without using excessive force regardless of the size of the umbilical cord. Additionally, the device provides for the valved use of vacuum tubes to collect umbilical cord blood samples. Furthermore, the device enables the measurement of blood values at the moment of cutting the umbilical cord. Finally, the device also provides for the protection of users and others from exposure to sharps and blood.
摘要翻译： 本文公开了一种用于夹紧和切割脐带的装置，以便能够收集和/或测试来自脐带的血样。 该装置用于夹紧脐带的切断端并自动弹出夹紧端。 该装置还提供脐带的切割而不用过大的力而不管脐带的尺寸如何。 此外，该装置提供了有用的真空管来收集脐带血样品。 此外，该装置能够在切割脐带时测量血液值。 最后，该设备还提供了保护用户和其他人免受锐利和血液暴露。
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公开(公告)号：US4769008A
公开(公告)日：1988-09-06
申请号：US935021
申请日：1986-11-26
申请人： Stephen R. Hessel
发明人： Stephen R. Hessel
CPC分类号： A61M5/152
摘要： Disclosed is an elastomeric bladder infusion pump which may be used for delivering a pharmaceutically active material to a patient at a substantially constant flow rate. A unitary internal stress member or mandrel is disposed within the bladder, prestressing the bladder in both the axial and radial dimensions.
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公开(公告)号：US4375813A
公开(公告)日：1983-03-08
申请号：US233095
申请日：1981-02-10
申请人： Stephen R. Hessel
发明人： Stephen R. Hessel
CPC分类号： A61M5/16818 , A61M5/141
摘要： A medical fluid flow rate controller and method for its use are disclosed. The controller is particularly suited for intravenous liquid administration and comprises three chambers in series between the intravenous liquid source and the patient. The first and second chambers are movable vertically with respect to each other and are gas phase pressure-equalized. Accordingly, the pressure differential available for flow from the first to the second chamber through the flow restrictor employed is known. Thus, the device may be precalibrated and marked with flow rates corresponding to different relative heights of the first chamber. Liquid entering the second chamber is pulled through a hydrophilic membrane into the third because the third operates at a lower pressure than the second. That configuration prevents the patient's movements from affecting the pre-set flow rate between the first and second chambers.
摘要翻译： 公开了一种医用流体流量控制器及其使用方法。 该控制器特别适用于静脉内液体给药，并包括静脉内液体源和患者之间串联的三个室。 第一和第二腔室可相对于彼此垂直移动并且被气相压力均衡。 因此，可以从使用的限流器从第一室流向第二室的压力差是已知的。 因此，可以将装置预先校准并用与第一室的不同相对高度对应的流速标记。 进入第二室的液体通过亲水膜被牵引到第三室中，因为第三室在比第二室低的压力下操作。 该配置防止患者的运动影响第一和第二腔室之间的预设流量。
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