CN101056663A - 用于心泵系统的远程数据监控器 - Google Patents
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- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
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- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/50—Details relating to control
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- A61M60/508—Electronic control means, e.g. for feedback regulation
- A61M60/538—Regulation using real-time blood pump operational parameter data, e.g. motor current
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- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/50—Details relating to control
- A61M60/585—User interfaces
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- A61M2205/3331—Pressure; Flow
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- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
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- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
- A61M60/126—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel
- A61M60/148—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel in line with a blood vessel using resection or like techniques, e.g. permanent endovascular heart assist devices
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Abstract
一种泵控制系统,包括用于控制泵的控制器模块,例如可植入血泵。远程监控器适于通过无线通信媒介与控制器模块进行通信,例如通过低功率射频连接。远程监控器提供了与控制器模块相似的或相同的用户界面,其为使用者提供了远程地监控泵的性能和对警报做出响应的能力。
Description
相关申请的交叉引用
本申请要求于2004年11月16日提交的名称为“用于心泵系统的远程数据监控器”的美国临时专利申请No.60/522,874的权益,其通过引用结合入本文。
发明背景
本发明大致涉及到一种心泵系统,并且更具体地讲,涉及一种用于这种泵的远程监控器。
可植入的血泵系统一般应用于完全地代替不能适当地发挥作用的人的心脏,或者用于在心脏仍然发挥作用但不能以足够的速度泵出血液的患者体内改善血液循环。已知的可植入血泵系统主要地作为“移植桥”使用。换句话说,现有的血泵系统主要作为暂时修补使用,其用来维持患者的生命直到捐赠人出现。然而,人体器官捐赠人的缺乏,加上血泵可靠性的改进,使长期的、甚至永久的血泵装备成为现实。
尽管有这种需要,现有的可植入泵系统在长期使用方面仍然无法令人满意。已知的连续流类型系统主要设计为在医院环境中使用。这些系统通常包括已植入的泵装置,例如可充电电池的电源,用来操作泵电机的电机控制器,和外部的操作员控制台。虽然某些现有的可植入泵系统允许当从操作员控制台上分离时进行操作,但是“孤立”操作这些系统有可能是危险的尝试。这至少部分地归因于,当系统从控制台上分离时缺少适当的用户界面。
此外,前述的血泵系统对于在机构设置之外的长期使用没有帮助。已知的系统经常需要大的、固定的操作员控制台,用来使系统发挥作用。虽然现有技术的操作员控制台可以是经安装得以在医院附近滚动的推车,但是在家中使用已知系统是困难之极的。限制其机动性和在相对较短时间使用的现有泵系统的其它问题与电机控制器的尺寸和形状的局限性有关。
因此,需要能处理与现有技术相关的缺点的泵控制系统。
发明概述
依照本公开的某些教导,泵控制系统包括用于控制泵,例如可植入血泵,的控制器模块。远程监控器适于通过无线通信媒介,例如通过低功率的射频连接,与控制器模块进行通信。远程监控器提供了与控制器模块相似或相同的用户界面,其为使用者提供了远程地监控泵的性能和对警报做出响应的能力。
附图简述
通过阅读随后的详细描述,并通过参考附图,本发明的其它目的和优点将会更加清晰,其中:
图1是依照本公开所教导的泵系统的方框图。
图2示出了依照本文所公开的系统实施例的示例性的可植入心泵。
虽然本发明容易受到不同的修改和替代形式的影响,但是在其中的具体实施例已由在图中的实例所示出,并在本文中详细描述。然而应该理解,具体实施例的描述并不意图将本发明限定于所公开的具体形式,而是相反,意图覆盖所有落入所附权利要求限定的本发明的实质和范围之内的修改、等同和替代。
具体实施方式
本发明的说明性实施例在下面描述。为了清楚起见,并没有在此说明书中描述实际实施的所有特性。当然应意识到在任何这样的实际实施例的开发中,必须做出许多具体实施决定,用来达到开发者的具体目标,诸如例如符合系统相关的和商业相关的限制,其在每个实施中都将是不同的。此外,应意识到,这样的开发努力可能是复杂和消耗时间的,但对于那些得益于本公开的本领域普通技术人员来说将只是日常工作。
参见附图,尤其在图1中,示出了依照本发明的实施例的心室辅助装置(VAD)系统10。心室辅助装置(VAD)系统10包括设计为在人体内被植入的部件和在人体外的部件。可植入的系统10的部件包括泵12和流量传感器14。外部的部件包括便携式的控制器模块16和远程监控器模块18。植入的部件通过经由皮肤的导线连接到控制器模块16。可以将控制器模块16安装到支承装置上,例如安装到使用者的腰带23或使用者所穿的内衣上。心室辅助装置(VAD)系统额外的部件在通过引用结合于此处的美国专利No.6,183,412中显示和描述。
控制器模块16包括处理器,例如微控制器80,其在本发明的一个实施例中是由微芯片技术制造的型号PIC16C77的微控制器。微控制器80包括多通道模数转换器(A/D),其从电机控制器84接收电机参数指示。因此,控制器模块16可以监控参数,例如瞬时电机电流、直流部件或电机电流的平均值、以及电机转速。
在图1中所示的实施例进一步包括整体流量计86。至少一个流量传感器14植入到泵12的下游。或者,流量传感器14可以与泵12结合成一体。流量计86连接在植入的流量传感器14和微控制器80之间。流量计86从流量传感器14接收数据,并向微控制器80输出流速数据,从而允许系统监控瞬时流速。
心室辅助装置(VAD)系统10可以结合可植入连续流血泵,例如在美国专利No.5,527,159或美国专利No.5,947,892中所公开的轴向流泵的不同实施例,这两个专利都通过引用全部结合到本文中。图2中示出了适用于本发明实施例中的血泵的实例。示例性的泵12包括泵壳32、扩散器34、整流器(flow straightener)36、和包括定子40和转子42的无刷直流电机38。壳32包括流管44,流管44具有在其中穿过的血流通道46、以及血液入口48、和血液出口50。
连接到泵壳32的定子40优选在流管44之外定位,并具有用于产生定子磁场的定子场绕组52。在一个实施例中,定子40包括三个定子绕组并且可被以三相“Y”或“Δ(Delta)”缠绕。转子42位于流管44之内,用来响应于定子磁场而旋转,并包括导流叶轮(inducer)58和叶轮60。对定子绕组52施加激励电流以产生旋转磁场。多个磁体62连接到转子42上。如此磁体62和转子42随旋转磁场产生旋转运动。
远程数据监控器(RDM)18是可移动手持小装置,其包括处理装置112和用户界面110,用户界面110远程地通过无线通信连接120有效地复制控制器模块16的用户界面111。在示例性实施例中,无线连接(link)120是低功率射频(RF)连接,其采用系统的标准天线结构,可在大约300英尺(100米)的最大距离范围内使用。在使用时,装置为使用者提供了远程监控VAD泵12性能和对警报做出响应的能力。例如,可以通过临床数据采集系统为泵控制器16和远程监控器18编程,或者遥测地通过泵控制器16给远程监控器18编程。
无线连接120包括天线,其可以适当地包括简单的单极天线。系统的天线可以由铁氧体磁棒或以系统的内部印刷电路板上的迹线构成。可以专有地使用整体天线,或者可以为了增加的覆盖能力而采用外部天线,或者可以结合使用整体天线和外部天线。
当操作装置时,将不断地检验连接120的完整性。如果远程监控器18位于离心室辅助装置(VAD)控制器16过远的地方,射频连接就会变得“嘈杂”或不可使用,或者如果监控器18的电池电量低,心室辅助装置(VAD)16将继续发挥作用,并正常地发出警报。更具体地说,在示例性实施中,远程监控器18周期性地向泵控制器16回送状态信息,以确认正确的连接操作。远程监控器18可以监控并显示所接收的信号强度信息,并且泵控制器16可以随着从远程监控器18回报的信号强度,成比例地增强或减弱其发射器输出功率。
载波可以是角调制的(也就是调频的(FM)或调相的(PM)),以降低外噪声感应误差的影响。或者,载波可以是调幅的(AM),以提升电池寿命。可以使用前向纠错技术以提升通信连接的完整性。使用扩展频谱技术,用来进一步降低由于兼顾泵控制器和相应的远程监控器之间的通信连接而带来的外部感应噪声。如果有误差,接收器可以要求重新传送。在典型的安装中,传送在美国和欧洲ISM(也就是工业的、科学的、医学的)波段范围之内。
多个控制器16和远程监控器18对可以以彼此相互极接近地使用。每一个泵控制器16和相应的远程监控器18可以在指定频率或频率对,或者相同频率或频率对上进行通信。所传送的数据包包含远程监控器16的预定地址。每一个泵控制器16首先“收听”,以确认另一个泵控制器16是否正在传送。如果没有其它的传送,泵控制器16可以开始传送,而相反地,如果另一个传送被“听到”,泵控制器16将会等待通道变得清晰。在其它实施中,一个泵控制器16可以广播到几个远程监控器18(例如,一个由患者持有,一个由护理者持有)。
可以对在泵控制器16与远程监控器18之间传送的数据进行编码,如此使得远程监控器18仅响应以唯一地址传送的数据或响应包含正确地址的传送。可以使用基于硬件或软件的相关器来识别地址。
在某些实施例中,远程监控器18大约3英寸宽、2英寸高、1英寸厚,重量不到5盎司,其包括腕带,使得护理者或患者可以将其佩带在手腕上,其还包括组合腰带,用来夹持/斜立在患者或护理者的腰带/床头几上使用。装置18可以从内部可充电电池中获得能量,从而完全地便于携带,或者可以用可选的变电源适配器接通交流干线。再加上,可以将装置18接通机动车电源出口,用于在汽车或飞机上长途旅行时连续运行。装置18将会支持在监控VAD控制器16的同时给内部电池充电(例如,在夜里当患者和父母/护理者正在睡觉时)。
远程监控器18的用户界面与VAD控制器18的界面是相同的,并且包括由三色发光二极管(LED)背后照亮的图形液晶显示屏(LCD),来显示多种语言的诊断和紧急信息;包括具有触觉反馈和边缘浮凸的密封双键键盘,来使警报安静,并在诊断信息显示中滚动;包括指示个别电池状态和自动防故障模式操作的三个双色发光LED;包括两个不同的、可变音调(pitch)、可变音量(loudness)的声响发声器(audible enunciators),和用于诊断和紧急警报的可选的声响声音输出。
背后照亮的液晶显示屏可以为患者和/或护理者指示泵的功能信息,并且在示例性实施例中,背后照明利用多种色彩为患者和护理者传达功能信息和警报信息(例如,绿色=常态,黄色=诊断警报,红色=紧急警报)。
声响警报可以通过压电蜂鸣发声器(piezo buzzer enunciators)发出。可以操作可变音量的声响发声器,以使得音调和/或音量随着激活警报的时间长度成比例地改变。声响声音输出可以通过音圈型扬声器元件发出。可以采用自然语言语音合成器,其包括基于音位的语音合成器,使得能够以多种语言形成听得见的语音。进一步地,可以基于患者或护理者的喜好,编制自然语言声音的音调和节奏,来模拟男性或女性成年人的声音。更进一步地,用于儿科病例,可以编制自然语言声音输出的音调和抑扬顿挫,用来模拟恐吓感少(less-intimidating)的儿童的声音。可使带完整偏心轮的电机在任何警报情况中振动,用来帮助警告患者或护理者。
可选择地,在儿科的应用中,可以添加无线音频通道,以在系统中结合商业的“幼儿监控”功能性。具有麦克风或其它声音探测装置的发射器将音频信号传送到结合在远程监控器18中的接收器,其进一步包括例如扬声器的输出装置。这降低了父母或护理者必须使用或管理的不同系统的数量。这个功能还可以包括音量控制,以允许父母或护理者将装置的输出设置到所需的声音水平。
本发明示例性实施例的以上描述是以实例的方式而做出的,并不是为了限定的目的。可以对此说明书中所公开的实施例和方法进行很多变更,而不脱离本发明的范围和实质。本发明仅由后面权利要求的范围和实质加以限定。
Claims (22)
1.一种泵控制系统,包括:
可连接到已植入心泵的控制器模块;以及
适于通过无线通信媒介与所述控制器模块进行通信的监控器模块。
2.根据权利要求1中所述的泵控制系统,其特征在于,所述控制器模块包括:
处理器;
与处理器电联接的电机控制器,所述电机控制器适于为泵电机提供动力,使得泵电机以希望的速度运行,所述电机控制器适于将泵电机运行参数的数字表示输出到处理器;
与处理器联接的用户界面;以及
其中所述监控器模块包括用户界面。
3.根据权利要求1中所述的泵控制系统,其特征在于,所述控制器模块的用户界面与所述监控器模块的用户界面相匹配。
4.根据权利要求1中所述的泵控制系统,其特征在于,所述无线通信媒介是双向射频(RF)连接。
5.根据权利要求1中所述的泵控制系统,其特征在于,所述监控器模块包括用于附着到使用者手腕的装置。
6.根据权利要求1中所述的泵控制系统,其特征在于,所述监控器模块包括用于附着到使用者腰带的装置。
7.根据权利要求1中所述的泵控制系统,其特征在于,所述监控器模块包括用于接收和输出音频信号的装置。
8.根据权利要求1中所述的泵控制系统,其特征在于,为所述监控器模块编程,以周期性地将状态信息传送到所述控制器模块。
9.一种操作血泵的方法,包括:
将控制器模块连接到血泵;以及
通过无线通信媒介在监控器模块与所述控制器模块之间传送数据。
10.根据权利要求9中所述的方法,其特征在于,传送数据包括传送功能信息和警报信息。
11.根据权利要求9中所述的方法,其特征在于,进一步包括:
为所述的泵提供动力,使得所述泵以希望的速度运行;
在所述控制器模块的用户界面上输出泵运行参数的数字表示;
将所述的泵运行参数传送到所述监控器模块;以及
在所述监控器模块的用户界面上显示所述的泵运行参数。
12.根据权利要求9中所述的方法,其特征在于,传送数据包括通过双向射频(RF)连接进行传送。
13.根据权利要求9中所述的方法,其特征在于,进一步包括将所述监控器模块附着到使用者的手腕上。
14.根据权利要求9中所述的方法,其特征在于,进一步包括将所述监控器模块附着到使用者的腰带上。
15.根据权利要求9中所述的方法,其特征在于,进一步包括从所述模块到所述控制器模块传送状态信息。
16.根据权利要求15中所述的方法,其特征在于,传送状态信息包括传送收到的信号强度信息。
17.根据权利要求16中所述的方法,其特征在于,进一步包括响应所述收到的信号强度信息,变化所述控制器模块的传送输出功率。
18.根据权利要求9中所述的方法,其特征在于,多个控制器模块连接到多个相应的血泵,并且其中一个监控器模块与多个所述控制器模块进行通信。
19.根据权利要求9中所述的方法,其特征在于,多个控制器模块连接到多个相应的血泵,并且其中每个所述控制器模块都以预定的频率与相应的监控器模块进行通信。
20.根据权利要求19中所述的方法,其特征在于,从所述控制器模块传送的数据包括预定监控器模块的地址。
21.根据权利要求9中所述的方法,其特征在于,多个监控器模块与单个控制器模块进行通信。
22.根据权利要求9中所述的方法,其特征在于,所述控制器模块验证在传送数据到所述监控器模块之前没有其它控制器模块正在传送。
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ATE496651T1 (de) * | 2002-08-02 | 2011-02-15 | Prosthesica Ag | Gerät zur verteilung von flüssigkeit im körper eines patienten |
US6949066B2 (en) * | 2002-08-21 | 2005-09-27 | World Heart Corporation | Rotary blood pump diagnostics and cardiac output controller |
US7070591B2 (en) * | 2002-09-17 | 2006-07-04 | Transoma Medical, Inc. | Vascular access port with physiological sensor |
US6930602B2 (en) * | 2003-04-25 | 2005-08-16 | Medtronic, Inc. | Coaxial cable antenna for communication with implanted medical devices |
US20060167334A1 (en) | 2003-06-26 | 2006-07-27 | Anstadt Mark P | Method and apparatus for direct mechanical ventricular actuation with favorable conditioning and minimal heart stress |
EP1755734B1 (en) * | 2004-04-14 | 2013-02-27 | Medtronic Inc. | Collecting posture and activity information to evaluate therapy |
CA2636105C (en) * | 2006-01-27 | 2015-05-05 | Circulite, Inc | Heart assist system |
-
2005
- 2005-11-16 EP EP05823244A patent/EP1812094B1/en not_active Expired - Fee Related
- 2005-11-16 US US11/720,023 patent/US20090226328A1/en not_active Abandoned
- 2005-11-16 AT AT05823244T patent/ATE520429T1/de active
- 2005-11-16 JP JP2007541489A patent/JP2008520285A/ja active Pending
- 2005-11-16 WO PCT/US2005/041743 patent/WO2006055745A2/en active Application Filing
- 2005-11-16 CN CN2005800389324A patent/CN101056663B/zh not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105492036A (zh) * | 2013-08-02 | 2016-04-13 | 瑟柯莱特公司 | 具有安全远程控制的可植入系统 |
CN105492036B (zh) * | 2013-08-02 | 2017-10-17 | 瑟柯莱特公司 | 具有安全远程控制的可植入系统 |
WO2015048920A1 (zh) * | 2013-10-03 | 2015-04-09 | 北京精密机电控制设备研究所 | 血泵控制系统及血泵系统 |
CN104511060A (zh) * | 2013-10-03 | 2015-04-15 | 北京精密机电控制设备研究所 | 血泵控制系统及血泵系统 |
US10434233B2 (en) | 2013-10-03 | 2019-10-08 | Beijing Research Institute Of Precise Mechatronics And Controls | Blood pump control system and blood pump system |
Also Published As
Publication number | Publication date |
---|---|
ATE520429T1 (de) | 2011-09-15 |
EP1812094B1 (en) | 2011-08-17 |
US20090226328A1 (en) | 2009-09-10 |
JP2008520285A (ja) | 2008-06-19 |
EP1812094A4 (en) | 2010-01-20 |
EP1812094A2 (en) | 2007-08-01 |
WO2006055745A3 (en) | 2006-08-31 |
WO2006055745A2 (en) | 2006-05-26 |
CN101056663B (zh) | 2010-10-27 |
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