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1. 发明授权

US08649862B2 Therapy circuit protection for implantable medical device 有权
标题翻译：可植入医疗器械的治疗电路保护
公开(公告)号：US08649862B2
公开(公告)日：2014-02-11
申请号：US13166297
申请日：2011-06-22
申请人： Jacob M. Ludwig , William J. Linder , Douglas J. Brandner , Nicholas J. Stessman , Douglas Michael Hannan , Scott R. Stubbs , Jeffrey E. Stahmann , Arthur Foster
发明人： Jacob M. Ludwig , William J. Linder , Douglas J. Brandner , Nicholas J. Stessman , Douglas Michael Hannan , Scott R. Stubbs , Jeffrey E. Stahmann , Arthur Foster
IPC分类号： A61N1/39
CPC分类号： A61N1/3931 , A61N1/025 , A61N1/3706 , A61N1/3937 , A61N1/3962 , A61N2001/083
摘要： A medical device can include a therapy circuit configured to provide a specified electrostimulation therapy to a tissue site, the specified electrostimulation therapy including a scheduled completion, the therapy circuit including a protection circuit configured to adjust specification of the electrostimulation therapy being provided so as to provide an adjusted electrostimulation therapy before the scheduled completion. The medical device can include a monitoring circuit comprising a comparator. The monitoring circuit can be configured to trigger the protection circuit to inhibit the therapy circuit when the therapy circuit output parameter exceeds the specified threshold as indicated by the comparator.
摘要翻译：医疗设备可以包括治疗电路，其被配置为向组织部位提供特定的电刺激治疗，所述指定的电刺激治疗包括计划完成，所述治疗电路包括保护电路，该保护电路被配置为调整提供的电刺激治疗的规格，在计划完成之前进行调整的电刺激治疗。医疗装置可以包括包括比较器的监视电路。当比较器所指示的治疗电路输出参数超过指定的阈值时，监视电路可被配置为触发保护电路来抑制治疗电路。

2. 发明申请

US20120004694A1 THERAPY CIRCUIT PROTECTION FOR IMPLANTABLE MEDICAL DEVICE 有权
标题翻译：可植入医疗器械的治疗电路保护
公开(公告)号：US20120004694A1
公开(公告)日：2012-01-05
申请号：US13166297
申请日：2011-06-22
申请人： Jacob M. Ludwig , William J. Linder , Douglas J. Brandner , Nicholas J. Stessman , Douglas Michael Hannan , Scott R. Stubbs , Jeffrey E. Stahmann , Arthur Foster
发明人： Jacob M. Ludwig , William J. Linder , Douglas J. Brandner , Nicholas J. Stessman , Douglas Michael Hannan , Scott R. Stubbs , Jeffrey E. Stahmann , Arthur Foster
IPC分类号： A61N1/39
CPC分类号： A61N1/3931 , A61N1/025 , A61N1/3706 , A61N1/3937 , A61N1/3962 , A61N2001/083
摘要： A medical device can include a therapy circuit configured to provide a specified electrostimulation therapy to a tissue site, the specified electrostimulation therapy including a scheduled completion, the therapy circuit including a protection circuit configured to adjust specification of the electrostimulation therapy being provided so as to provide an adjusted electrostimulation therapy before the scheduled completion. The medical device can include a monitoring circuit comprising a comparator. The monitoring circuit can be configured to trigger the protection circuit to inhibit the therapy circuit when the therapy circuit output parameter exceeds the specified threshold as indicated by the comparator.
摘要翻译：医疗设备可以包括治疗电路，其被配置为向组织部位提供特定的电刺激治疗，所述指定的电刺激治疗包括计划完成，所述治疗电路包括保护电路，该保护电路被配置为调整提供的电刺激治疗的规格，在计划完成之前进行调整的电刺激治疗。医疗装置可以包括包括比较器的监视电路。当比较器所指示的治疗电路输出参数超过指定的阈值时，监视电路可被配置为触发保护电路来抑制治疗电路。

3. 发明授权

US06563322B1 Method and apparatus for detecting open circuit fault condition in a common-mode signal 有权
标题翻译：用于检测共模信号中的开路故障状况的方法和装置
公开(公告)号：US06563322B1
公开(公告)日：2003-05-13
申请号：US09935561
申请日：2001-08-22
申请人： Douglas Michael Hannan
发明人： Douglas Michael Hannan
IPC分类号： G01R3108
CPC分类号： H04L25/08
摘要： The present invention relates to an apparatus and a method for detecting an open circuit fault condition in a differential signal, and generating a fault detection signal. An open circuit fault condition is detected by employing weak current sources to pull the differential signal paths outside the valid ac common-mode range and toward the supply rails. If both signal paths can be pulled within a predetermined proximity to the supply rails by their respective weak current sources, an open condition fault is defined to exist and a fault detection signal is generated. The fault detection signal can be used by another device to report the fault condition.
摘要翻译：本发明涉及一种用于检测差分信号中的开路故障状况并产生故障检测信号的装置和方法。通过采用弱电流源将差分信号路径拉到有效的交流共模范围之外并朝向电源轨来检测开路故障状况。如果两个信号路径可以通过它们各自的弱电流源在预定的靠近供电轨道的位置被拉动，则定义开放状态故障并且产生故障检测信号。故障检测信号可以由其他设备用来报告故障状况。

4. 发明授权

US06943591B1 Apparatus and method for detecting a fault condition in a common-mode signal 有权
标题翻译：用于检测共模信号中的故障状况的装置和方法
公开(公告)号：US06943591B1
公开(公告)日：2005-09-13
申请号：US09932061
申请日：2001-08-17
申请人： Douglas Michael Hannan , Roy L. Yarbrough
发明人： Douglas Michael Hannan , Roy L. Yarbrough
IPC分类号： H03K5/19
CPC分类号： H03K5/19 , H04L1/24 , H04L25/0276
摘要： The invention is directed to an apparatus and a method for generating a fault detection signal when a differential signal is in a fault condition. The fault condition arises when the data transmission path in a differential signaling device is either open, shorted, or terminated by an abnormal means, and is such that the inputs are within the valid common-mode range and a valid differential signal cannot be obtained. The invention is buffered from the differential signal source, and an intermediate signal is produced in response to the differential signal. Portions of the intermediate signal are compared to a reference signal, and based on the comparisons, fault condition control signals are produced. A fault detection signal is produced when two fault condition control signals indicate the presence of a fault. The fault detection signal is made available for invocation of a failsafe state.
摘要翻译：本发明涉及一种当差分信号处于故障状态时产生故障检测信号的装置和方法。当差分信号装置中的数据传输路径由异常装置打开，短路或终止时，出现故障状况，并且使得输入处于有效共模范围内，并且不能获得有效的差分信号。本发明从差分信号源缓冲，并且响应于差分信号产生中间信号。将中间信号的一部分与参考信号进行比较，并且基于比较，产生故障状态控制信号。当两个故障状态控制信号指示存在故障时，产生故障检测信号。故障检测信号可用于调用故障安全状态。

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