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11. 发明申请

US20050078170A1 System and method for performing distributed video conferencing 有权
公开(公告)号：US20050078170A1
公开(公告)日：2005-04-14
申请号：US10680918
申请日：2003-10-08
申请人： Scott Firestone , Walter Friedrich , Nermin Ismail , Keith Lantz , Shantanu Sarkar , Luke Surazski , Duanpei Wu
发明人： Scott Firestone , Walter Friedrich , Nermin Ismail , Keith Lantz , Shantanu Sarkar , Luke Surazski , Duanpei Wu
IPC分类号： H04N7/15 , H04N7/14
CPC分类号： H04N7/14 , H04L12/1822 , H04L65/4046 , H04L65/605 , H04M3/567 , H04M2207/20 , H04N7/15
摘要： A method for executing a video conference is provided that includes receiving one or more audio streams associated with a video conference from one or more end points and determining an active speaker associated with one of the end points. Audio information associated with the active speaker may be received at one or more media switches. One or more video streams may be suppressed except for a selected video stream associated with the active speaker, the selected video stream propagating to one or more of the media switches during the video conference. The selected video stream may be replicated such that it may be communicated to one or more of the end points associated with a selected one of the media switches.

12. 发明授权

US10542887B2 Heart failure monitoring 有权
公开(公告)号：US10542887B2
公开(公告)日：2020-01-28
申请号：US13436408
申请日：2012-03-30
申请人： Shantanu Sarkar , Jodi L. Redemske , Eduardo N. Warman , Douglas A. Hettrick , Kevin T. Ousdigian
发明人： Shantanu Sarkar , Jodi L. Redemske , Eduardo N. Warman , Douglas A. Hettrick , Kevin T. Ousdigian
IPC分类号： A61B5/02 , A61B5/00
摘要： Techniques for transmitting diagnostic information stored in an implantable medical device (IMD) based on patient hospitalization are described. For example, the IMD may transmit higher resolution diagnostic information to a clinician and/or an external device during a hospitalization period to aid the clinician in evaluating heart failure treatment and when discharge is proper. This higher resolution diagnostic information may include one or more patient metrics automatically generated and transmitted by the IMD at least once every two hours. During a post-hospitalization period, the IMD may transmit lower resolution diagnostic information to a clinician that indicates a risk level of re-hospitalization. The lower resolution diagnostic information may include the risk level and/or patient metrics once a day, for example. In this manner, the IMD transmitted diagnostic information may be tailored to the specific heart failure monitoring needed by the patient.

13. 发明授权

US08938292B2 Estimating cardiovascular pressure and volume using impedance measurements 有权
标题翻译：使用阻抗测量估算心血管压力和体积
公开(公告)号：US08938292B2
公开(公告)日：2015-01-20
申请号：US12263065
申请日：2008-10-31
申请人： Douglas A. Hettrick , Yong K. Cho , Mattias Rouw , Shantanu Sarkar , Todd M. Zielinski
发明人： Douglas A. Hettrick , Yong K. Cho , Mattias Rouw , Shantanu Sarkar , Todd M. Zielinski
IPC分类号： A61B5/05 , A61N1/365 , A61B5/0215 , A61B5/053 , A61B5/021 , A61B5/00
CPC分类号： A61N1/36521 , A61B5/021 , A61B5/0215 , A61B5/02158 , A61B5/053 , A61B5/0535 , A61B5/0538 , A61B5/7239 , A61N1/36564
摘要： Techniques for estimating a cardiac chamber or vascular pressure based upon impedance are described. A device or system may measure an impedance between at least two electrodes implanted within or proximate to a cardiovascular system. The device or system may estimate a pressure of an element of the cardiovascular system based on a relationship between impedance and volume of the element, and based on a empirical relationship between the volume and the pressure. The device or system may also estimate the dimension of the element based on the impedance-volume relationship, or other characteristics based on the impedance. Because the impedance measurements may be obtained, in some examples, by using electrodes and leads implanted within the cardiovascular system and coupled to an implantable medical device, a practical estimation of a cardiovascular pressure can be obtained on a chronic basis without requiring the use other invasive sensors, such as micronanometer transducers.
摘要翻译：描述了基于阻抗估计心室或血管压力的技术。装置或系统可以测量植入在心血管系统内或其附近的至少两个电极之间的阻抗。装置或系统可以基于元件的阻抗和体积之间的关系，并且基于体积和压力之间的经验关系来估计心血管系统的元件的压力。装置或系统还可以基于阻抗 - 体积关系或基于阻抗的其它特性来估计元件的尺寸。由于可以获得阻抗测量值，在一些示例中，通过使用植入心血管系统内并连接到可植入医疗装置的电极和引线，可以长期获得心血管压力的实际估计，而不需要使用其它侵入性传感器，如微量计传感器。

14. 发明授权

US08744565B2 Multi-frequency impedance monitoring system 有权
标题翻译：多频阻抗监测系统
公开(公告)号：US08744565B2
公开(公告)日：2014-06-03
申请号：US12112765
申请日：2008-04-30
申请人： Todd M. Zielinski , Douglas A. Hettrick , Shantanu Sarkar
发明人： Todd M. Zielinski , Douglas A. Hettrick , Shantanu Sarkar
IPC分类号： A61B5/00
CPC分类号： A61B5/0809 , A61B5/053 , A61B5/0538 , A61B5/4869 , A61B5/686 , A61B5/7257 , A61N1/36521
摘要： A system and method is provided to measure intrathoracic complex impedance and to identify and indicate disease conditions based on the impedance measurements. Multiple impedance vectors may betaken into account, and an optimal vector may be selected to provide the most useful impedance measurement for the identification and indication of disease conditions.
摘要翻译：提供了一种系统和方法来测量胸腔内复合阻抗，并根据阻抗测量来识别和指示疾病状况。可以考虑多个阻抗向量，并且可以选择最佳向量以提供用于疾病状况的识别和指示的最有用的阻抗测量。

15. 发明授权

US08731175B2 Method and system for securing access to information in an automatic call distributor system 有权
标题翻译：用于确保在自动呼叫分配器系统中访问信息的方法和系统
公开(公告)号：US08731175B2
公开(公告)日：2014-05-20
申请号：US11359252
申请日：2006-02-21
申请人： Shmuel Shaffer , Labhesh Patel , Cullen F. Jennings , Shantanu Sarkar
发明人： Shmuel Shaffer , Labhesh Patel , Cullen F. Jennings , Shantanu Sarkar
IPC分类号： H04M3/00
CPC分类号： H04M3/5183 , H04M2203/6009
摘要： A method for granting access to secure information includes receiving from a caller a call for connection with one of a plurality of agents, distributing the call to the agent of the plurality of agents, initiating an active communication session between the caller and the agent for handling the call, and granting to the agent access to the secure caller information using a plurality of access authentication information that includes an active communication session between the caller and the agent.
摘要翻译：用于授予对安全信息的访问的方法包括从呼叫者接收与多个代理之一的连接的呼叫，将呼叫分配给多个代理的代理，发起主叫方和代理之间的主动通信会话以进行处理呼叫，并且使用包括呼叫者和代理之间的活动通信会话的多个接入认证信息来授权代理对安全呼叫者信息的访问。

16. 发明授权

US08688469B2 System and method for identifying a prospective clinical therapy for a prospective patient having a medical device 有权
标题翻译：用于识别具有医疗装置的预期患者的预期临床治疗的系统和方法
公开(公告)号：US08688469B2
公开(公告)日：2014-04-01
申请号：US12915945
申请日：2010-10-29
申请人： Paul D. Ziegler , Shantanu Sarkar , Jodi L. Redemske
发明人： Paul D. Ziegler , Shantanu Sarkar , Jodi L. Redemske
IPC分类号： G06Q10/00 , G06Q50/00
CPC分类号： G06Q50/22 , G06F19/00
摘要： System and method for identifying a prospective clinical therapy for a prospective patient. The patient has a medical device, performed with a medical apparatus. The system has a historical database and an analyzer. The historical database incorporates information relating to a multiplicity of patients, each of the multiplicity of patients having a medical device and each of the multiplicity of patients having undergone a clinical therapy, the information including, for each of the multiplicity of patients, device characteristics of the medical device and an assessment of efficacy of clinical therapy. The analyzer correlates device characteristics of the prospective patient with the device characteristics and the assessment of efficacy of clinical therapy of the multiplicity of patients using the historical database to identify a prospective clinical therapy for the prospective patient associated with the device characteristics in the historical database having a relatively greater efficacy than the clinical therapy.
摘要翻译：用于鉴定潜在患者的预期临床治疗的系统和方法。患者具有用医疗装置执行的医疗装置。系统有一个历史数据库和一个分析器。历史数据库包含与多个患者相关的信息，多个患者中的每一个具有医疗装置，并且每个患者已经经历了临床治疗，所述信息包括对于每个多个患者的装置特征医疗器械和临床治疗效果评估。分析仪将前瞻性患者的装置特征与装置特征以及使用历史数据库的多个患者的临床治疗效果的评估相结合，以鉴定与历史数据库中与装置特征有关的预期患者的预期临床疗法，比临床治疗相对更大的功效。

17. 发明申请

US20140046664A1 Secure Device Pairing Using Voice Input 审中-公开
标题翻译：使用语音输入的安全设备配对
公开(公告)号：US20140046664A1
公开(公告)日：2014-02-13
申请号：US13584460
申请日：2012-08-13
申请人： Shantanu Sarkar , Cary Bran , Joe Burton , Joseph Stachula
发明人： Shantanu Sarkar , Cary Bran , Joe Burton , Joseph Stachula
IPC分类号： G10L17/00
CPC分类号： H04L63/0861 , G10L17/24 , H04L63/0869 , H04M2250/74 , H04W12/003 , H04W12/00504 , H04W12/06 , H04W84/18
摘要： Methods and apparatuses for secure device pairing are disclosed. In one example, a user voice is received simultaneously at a first device and a second device to pair the devices.
摘要翻译：公开了用于安全装置配对的方法和装置。在一个示例中，在第一设备和第二设备处同时接收用户语音以配对设备。

18. 发明授权

US08345083B2 Dynamic management of picture quality in a video conference with diversified constraints 有权
标题翻译：视频会议中图像质量的动态管理具有多种制约因素
公开(公告)号：US08345083B2
公开(公告)日：2013-01-01
申请号：US11831729
申请日：2007-07-31
申请人： Shantanu Sarkar , Arturo A. Rodriguez
发明人： Shantanu Sarkar , Arturo A. Rodriguez
IPC分类号： H04N7/14
CPC分类号： H04N21/2402 , H04N7/152 , H04N19/115 , H04N19/156 , H04N19/164 , H04N19/187 , H04N19/30 , H04N21/234327
摘要： In one embodiment, a method dynamically configures a BL bandwidth in a conference based on bandwidth capabilities in the video conferencing network. In one embodiment, the conference may include any combination of endpoints characterized as BL endpoints and SVCL endpoints. The method includes determining one or more bandwidth capabilities for a plurality of endpoints participating in a conference. The bandwidth capabilities for each respective endpoint may be based on its video decoding capability, the maximum bit-rate it can accept, the video encoding capability of the other endpoints, or a bandwidth constraint manifestation in a portion of the network, etc.
摘要翻译：在一个实施例中，一种方法基于视频会议网络中的带宽能力动态地配置会议中的BL带宽。在一个实施例中，会议可以包括以BL端点和SVCL端点为特征的端点的任何组合。该方法包括确定参与会议的多个端点的一个或多个带宽能力。每个相应端点的带宽能力可以基于其视频解码能力，其可以接受的最大比特率，其他端点的视频编码能力，或网络的一部分中的带宽约束表现等。

19. 发明申请

US20120238891A1 METHODS FOR ECTOPY REJECTION FOR ATRIAL FIBRILLATION DETECTION BASED ON VENTRICULAR CYCLE LENGTHS 有权
标题翻译：基于静脉循环长度的急性心肌梗死检测方法
公开(公告)号：US20120238891A1
公开(公告)日：2012-09-20
申请号：US13050091
申请日：2011-03-17
申请人： Shantanu Sarkar , Eduardo N. Warman
发明人： Shantanu Sarkar , Eduardo N. Warman
IPC分类号： A61B5/0452
CPC分类号： A61B5/0468 , A61B5/7282 , A61N1/3624 , A61N1/395
摘要： A medical device performs a method to classify a cardiac rhythm. Differences between cycle lengths in a first heart chamber are determined during an established time interval. Evidence of ectopy associated with irregular coupling intervals is detected from the signal during the established time interval. A rhythm classification output corresponding to a second heart chamber at the expiration of the established time interval is provided in response to the consecutive cycle length differences and the evidence of ectopy associated with irregular coupling intervals.
摘要翻译：医疗器械执行心律的分类方法。在建立的时间间隔期间确定第一心室中的循环长度之间的差异。在建立的时间间隔期间从信号中检测到与不规则耦合间隔相关的异常的证据。响应于连续循环长度差异和与不规则耦合间隔相关联的异常的证据，提供对应于在建立的时间间隔期满时的第二心室的节律分类输出。

20. 发明授权

US08255046B2 Detecting worsening heart failure based on impedance measurements 有权
标题翻译：基于阻抗测量检测恶化的心力衰竭
公开(公告)号：US08255046B2
公开(公告)日：2012-08-28
申请号：US12184149
申请日：2008-07-31
申请人： Shantanu Sarkar , Douglas A. Hettrick , Robert W. Stadler
发明人： Shantanu Sarkar , Douglas A. Hettrick , Robert W. Stadler
IPC分类号： A61B5/05
CPC分类号： A61B5/053 , A61B5/0031 , A61B5/6846 , A61N1/3627 , A61N1/36521 , A61N1/37235 , A61N1/37258 , A61N1/3962
摘要： Techniques for processing impedance data to provide an early warning for heart failure decompensation are described. An example device may be configured to measure intrathoracic impedance values, and increment an index when a determined impedance is less than a reference impedance. The incrementing may be based on the difference between the reference impedances and the determined impedance. In some examples, the amount of incrementing is reduced based on a variability of the impedances, or increased over time so long as the index remains above a threshold, e.g., zero. In some examples, the manner is which the reference impedances are determined changes over time to, for example, address rapid changes in impedance after device or system implantation. In some examples, the index is compared to a threshold to determine whether to provide an alert. In some examples, two thresholds are used to provide hysteresis.
摘要翻译：描述了用于处理阻抗数据以提供心力衰竭失代偿的早期警告的技术。示例性装置可以被配置为测量胸内阻抗值，并且当确定的阻抗小于参考阻抗时增加指数。增量可以基于参考阻抗和确定的阻抗之间的差异。在一些示例中，只要索引保持高于阈值（例如零），基于阻抗的可变性减小增量的量，或随时间增加。在一些示例中，确定参考阻抗的方式随着时间而变化，例如，在器件或系统植入之后阻抗的快速变化。在一些示例中，将索引与阈值进行比较，以确定是否提供警报。在一些示例中，使用两个阈值来提供滞后。

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