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公开(公告)号：US5611781A
公开(公告)日：1997-03-18
申请号：US272598
申请日：1994-07-11
CPC分类号： A61M25/0618 , A61M5/3243 , A61M5/3273 , A61M2005/3215 , A61M2005/325
摘要： A needle tip protecting device is provided for catheters having an insertion needle. The device is small enough to be stored at the base of the catheter needle prior to and during use. After use it may be slip to cover the needle tip where it automatically self-attaches and becomes non-removable. Various embodiments of mechanisms to achieve this effect are described.
摘要翻译： 为具有插入针的导管提供针尖保护装置。 该装置足够小以在使用之前和使用期间存储在导管针的底部。 使用后可能会滑动以覆盖针尖，其中它自动附着并变得不可移动。 描述了实现这种效果的机构的各种实施例。
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公开(公告)号：US5328482A
公开(公告)日：1994-07-12
申请号：US672651
申请日：1991-03-20
CPC分类号： A61M25/0618 , A61M5/3243 , A61M5/3273 , A61M2005/3215 , A61M2005/325
摘要： A needle tip protecting device is provided for catheters having an insertion needle. The device is small enough to be stored at the base of the catheter needle prior to and during use. After use it may be slip to cover the needle tip where it automatically self-attaches and becomes non-removable. Various embodiments of mechanisms to achieve this effect are described.
摘要翻译： 为具有插入针的导管提供针尖保护装置。 该装置足够小以在使用之前和使用期间存储在导管针的底部。 使用后可能会滑动以覆盖针尖，其中它自动附着并变得不可移动。 描述了实现这种效果的机构的各种实施例。
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公开(公告)号：US5322517A
公开(公告)日：1994-06-21
申请号：US730920
申请日：1991-10-01
CPC分类号： A61M25/0618 , A61M5/3243 , A61M5/3273 , A61M2005/3215 , A61M2005/325
摘要： A needle tip protecting device is provided for hypodermic needles, catheters, and the like. The device is small enough to be stored at the base of the needle prior to and during use. After use it may be slid to cover the needle tip where it automatically self-attaches and becomes non-removable. Various embodiments of mechanisms to achieve this effect are described.
摘要翻译： PCT No.PCT / CA90 / 00031 Sec。 371日期1991年10月1日 102（e）日期1991年10月1日PCT 1990年2月1日PCT PCT。 公开号WO90 / 08564 日期1990年8月9日。针刺针保护装置用于皮下注射针，导管等。 该装置足够小以至于在使用之前和使用期间都能够将其存储在针的底部。 使用后，可以滑动以覆盖针尖，其中其自动附接并且变得不可移除。 描述了实现这种效果的机构的各种实施例。
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公开(公告)号：US5662610A
公开(公告)日：1997-09-02
申请号：US488294
申请日：1995-06-07
申请人： Richard C. Sircom
发明人： Richard C. Sircom
IPC分类号： A61M5/32
CPC分类号： A61M5/3243 , A61M5/3273 , A61M2005/3215 , A61M2005/325
摘要： A needle tip protecting device is provided for hypodermic needles, catheters and the like. The device is small enough to be stored at the base of the needle prior to and during use. After use it may be slid to cover the needle tip where it automatically self-attaches and becomes non-removable. Embodiments of mechanisms which achieve this effect by means of a tapered cavity, collet or angled jamming surface are described.
摘要翻译： 为皮下注射针，导管等提供针尖保护装置。 该装置足够小以至于在使用之前和使用期间都能够将其存储在针的底部。 使用后，可以滑动以覆盖针尖，其中其自动附接并且变得不可移除。 描述了通过锥形空腔，夹头或角度干扰表面实现该效果的机构的实施例。
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公开(公告)号：US4053815A
公开(公告)日：1977-10-11
申请号：US569061
申请日：1975-04-17
申请人： Richard C. Sircom
发明人： Richard C. Sircom
摘要： In a distribution circuit for connecting a load to an a-c source, it is known that a ground-to-neutral short tends to reduce the sensitivity of ground fault detectors that use a differential current transformer to sense line-to-ground leakage. A resonated coil on a core links the neutral conductor forming part of a protective device for interrupting the load circuit in the event of reduced Q of the resonated coil caused by a neutral-to-ground fault. The core must also link the line conductor, for otherwise a loop including the line, the load and the neutral would wrongly have a like effect.The same core and coil are used with a common amplifier for the neutral-to-ground fault detector and for the line-to-ground leakage detector, so that the apparatus can be economical and compact. Furthermore, so long as there is no neutral-to-ground fault, the amplifier delivers a signal of normal strength that monitors the integrity of both detectors. The detector also responds to "run-away" of the monitoring signal generator.
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公开(公告)号：US07513888B2
公开(公告)日：2009-04-07
申请号：US10905884
申请日：2005-01-25
申请人： Richard C. Sircom , David J. French
发明人： Richard C. Sircom , David J. French
IPC分类号： A61M5/00
CPC分类号： A61M5/3273 , A61M5/3275 , A61M2005/3247 , A61M2005/325
摘要： A needle guard (1) based upon a canting plate (6) becomes lockingly engaged with the needle (2) shaft both upon retraction of the needle tip within the guard (1), and upon any attempt to cause the needle tip to reemerge from the guard (1). The plate (6) is positioned to rotate into locking engagement with the shaft of the needle (2) both when an attempt is made to further withdraw the needle from the needle guard (1) and when an attempt is made to cause the needle tip to reemerge from the needle guard (1).
摘要翻译： 当针尖在护罩（1）内收回时，基于倾斜板（6）的针护罩（1）与针（2）轴两者锁定地接合，并且在任何尝试使针尖重新出现时 守卫（1）。 当试图进一步从针护罩（1）中抽出针时，板（6）被定位成旋转成与针（2）的轴锁定接合，并且当试图使针尖 从针罩（1）重新出现。
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7.发明授权
公开(公告)号：US5458658A
公开(公告)日：1995-10-17
申请号：US170317
申请日：1994-05-06
申请人： Richard C. Sircom
发明人： Richard C. Sircom
CPC分类号： A61M25/0618 , A61M5/3243 , A61M5/3273 , A61M2005/3215 , A61M2005/325 , A61M25/0606
摘要： An automatic needle guard for intravenous catheter assemblies, which stores on the insertion needle between the needle base and catheter hub, which attaches by positive engagement to the catheter hub, remains attached while the needle is withdrawn through the needle guard following insertion of the catheter, locks immovably to the needle shaft when the needle tip enters the body of the needle guard, then releases from the catheter hub, allowing the needle guard to be withdrawn along with the needle for safe disposal.
摘要翻译： 用于静脉内导管组件的自动针头保护装置在通过导管插入之后通过针头保护器被抽出而保持附着，所述静脉导管组件的自动针头保护装置保持附接， 当针尖进入针护罩的主体时，不可移动地锁定到针轴上，然后从导管套管释放，允许针头护套与针一起被抽出以便安全处理。
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