CN114939202A - 流体管理系统 - Google Patents

流体管理系统 Download PDF

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CN114939202A
CN114939202A CN202111609999.6A CN202111609999A CN114939202A CN 114939202 A CN114939202 A CN 114939202A CN 202111609999 A CN202111609999 A CN 202111609999A CN 114939202 A CN114939202 A CN 114939202A
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cpu
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CN114939202B (zh
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D·特里格
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Kemeide Medical And Industrial Equipment Ltd
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Abstract

本发明涉及流体管理系统。一种用于内窥镜手术的流体管理系统(10)包括泵(12)，其被配置为将液体从储液器(22)输送到医疗装置(16)。所述泵(12)包括：中央处理单元(CPU)(24)，其用于控制所述泵的操作；脚踏开关(14)，其用于致动所述泵；以及用户输入装置(26)，其用于对所述CPU(24)进行编程以按操作参数的多个预定水平来操作所述泵并用于允许用户为泵操作选择所述多个预定水平中的一个。所述CPU(24)被配置为在所述脚踏开关(14)被接合时禁用所述用户输入装置(26)的至少多个部件。这防止了在使用期间泵的操作参数(诸如冲洗流体的流速)的突然变化，以防止潜在对患者的伤害或对设备的损坏。

Description

流体管理系统
技术领域
本发明涉及用于诸如内窥镜这样的医疗手术的流体管理系统。
背景技术
内窥镜手术涉及将医疗器械插入患者体内，以出于成像、调查、诊断或手术/治疗的目的而详细观察内部器官或组织。这种内窥镜手术常常包括将冲洗流体供应到患者体内，以冲洗和清洁正被观察的部位。例如，在胃肠道(GI)手术中，冲洗有助于清洗胃和结肠粘膜，清除血液、粪便或其他有机物。冲洗流体由泵供应到内窥镜本身中的通道中。执行手术的外科医生可以借助脚踏开关操作泵。
发明内容
本发明提供了一种用于内窥镜手术的流体管理系统，所述流体管理系统包括泵，所述泵被配置为将液体从储液器输送到医疗装置，所述泵包括：中央处理单元CPU，其被配置为控制所述泵的操作；脚踏开关，其与所述CPU通信并被配置为致动所述泵；以及用户输入装置，其被配置为对所述CPU进行编程以按所述泵的操作参数的多个预定水平来操作所述泵，并被配置允许用户为泵操作选择所述多个预定水平中的一个，其中，所述CPU还被配置为在所述脚踏开关被接合时禁用所述用户输入装置的至少多个部件。
本发明的改进的流体管理系统防止了在使用期间泵的操作参数(诸如冲洗流体的流速)的突然变化，以便防止潜在对患者的伤害或对设备的损坏。
优选地，所述用户输入装置包括增量控件和预置控件，所述增量控件能进行操作以逐步地增大和减小所述泵的操作参数，所述预置控件能进行操作以在所述泵的所述操作参数的所述多个预定水平之间进行直接切换。
优选地，所述CPU被配置为在所述脚踏开关被接合时禁用所述预置控件，并且在所述脚踏开关被接合时将所述增量控件保持在启用状态。
所述用户输入装置优选地包括在所述泵的主体上的多个按钮，所述多个按钮在启用时被照亮。
在优选的实施方式中，所述泵包括蠕动泵，并且所述操作参数是泵速度或流速中的至少一者。
附图说明
现在，将参考附图仅以通过示例的方式描述本发明，在附图中：
图1是按照本发明的流体管理系统的示意图；以及
图2是用户输入装置的放大视图。
具体实施方式
如图1中示意性示出的，按照本发明的流体管理系统10包括泵12和连接到泵12的脚踏开关14。当脚踏开关14被接合时，泵12经由管道18向诸如内窥镜这样的医疗器械16供应流体。
优选地，泵12是蠕动泵，其容纳用于操作泵压头20的驱动器或电动机(未示出)。泵压头20包括轨道20a和转子20b。在轨道20a和转子20b之间装配有柔性管道18，并且在操作中，从储液器22中取出流体并将其抽吸通过管道18。泵12还包括控制泵12的操作的中央处理单元(CPU)24。还提供了用户输入装置26。用户输入装置26优选地呈泵12的主体上的控制面板的形式，尽管它也可以是与泵12有线或无线通信的远程装置。CPU 24能由用户输入装置26编程，以改变泵12的某些操作参数。
用户输入装置26优选地包括能由用户操作以改变泵操作的一个或更多个参数的多个控件以及显示器30，如图2中所示。泵操作的可调整参数可以是例如电动机速度、转子20b每分钟的转数(RPM)或管道18中流体的流速。显示器30可以指示操作参数的实际值或百分比值。例如，在图2中，显示器30显示值90，该值可以表示泵12可以提供的最大可用流速的90％。
脚踏开关14连接到泵12并与CPU 24通信。当用户压下脚踏开关14时，CPU 24将致使泵12进行操作。当脚踏开关14被脱离时，CPU 24停止泵12的操作。
用户输入装置26的控件优选地包括增量控件32，增量控件32允许给定参数以连续的小增量增大或减小。如所例示的，增量控件32可以由标记为+和-的两个按钮组成，以增大和减小参数，尽管可以使用其他形式的控件(诸如可旋转旋钮或轮或滑块)。增量控件32可以被配置为以任何期望的增量(诸如5％或10％或某个其他值)来改变参数。
用户输入装置26的控件还包括预置控件34，预置控件34允许用户设置特定参数的多个预定水平或预置值，并在该多个预定水平或预置值之间切换。泵12可以被编程为在一定水平下以给定参数操作，特别是在给定泵可以提供的最大可用水平的一定百分比下操作。例如，用户可能希望针对不同的手术或手术期间的不同时间使用不同的流体流速。为了便于这些改变并避免在执行手术之前重复操作增量控件32以增大或减小流速(或其他选定参数)的需要，可以输入对应于期望流速的预置值。例如，预置值可以被设置为最大流速是泵操作能力的90％，中等流速为50％并且最小流速为10％。
预置控件34优选地包括表示最大水平、中等水平和最小水平的三个按钮。预置控件34可以被相应地标记，或者如在图2中，被标记为高、中和低，或者以任何其他方便的方式识别。根据所需预置值的数量，可以提供更多或更少的按钮，并且可以使用其他形式的控件(诸如开关)。可以通过使用增量控件32来初始地设置选定参数。当达到期望水平时，如显示器30上所示，对应的预置按钮可以保持几秒以将该水平设置为期望的预置值。例如，如果如图2中所示所需的最大值为90％，则高按钮可以保持几秒以将该值固定为高预置值。然后，释放高按钮，使用增量控件32将选定参数的水平降低至所需的中等值，并且通过将中按钮保持几秒钟来固定该水平，以此类推。一旦预置控件34全部以这种方式编程，按下按钮中的一个就自动地将参数改变为给定的预置水平。
在使用中，泵12由用户使用用户输入装置26以期望的参数水平编程。这些水平可以是基于给定手术的推荐水平，或者可以由个体用户基于他们的知识和经验来选择。在手术期间，用户通过按下相关的预置控件34来选择期望的水平，然后接合脚踏开关14，以便启动和停止泵操作。为了改变参数(例如，流速)，用户按下用户输入装置26的按钮之一。可以通过使用增量控件32进行小的改变，并且可以通过选择不同的预置控件34进行大的改变。
然而，如果无意中按下了错误的预置控件34，例如，如果在打算从最小值变为中等值时错误地选择了从最小值变为最大值，或者如果已被编程为相关预置值的参数水平事实上在执行手术之前已改变并且不是用户正预期的，则存在的风险是参数(诸如流速)突然增大或减小，这会造成对患者的伤害、对内窥镜设备的损害或者以其他方式妨碍了手术的高效执行。
因此，在本发明中，该系统被配置为在泵12在操作时防止对预置值的任何改变或者在预置值之间切换。在泵12正在操作时，即，在踏板开关14被接合时，用户输入装置26(至少在其与预置控件34相关的范围内)被禁用。优选地，借助CPU 24禁用用户输入装置26的相关部分，CPU 24被配置为检测脚踏开关14的接合和脱离，并被编程为在脚踏开关14被接合时禁用预置控件34，使得不许可从一个预置水平到另一预置水平的步进变化或到每个预置值的水平的变化。
然而，优选地，增量控件32不被禁用，使得在泵12操作期间仍可以改变参数，但只有小的增量变化是可能的。因此，参数(诸如流速)可以变化，但只能以将不造成伤害或损害的方式逐渐变化。
当用户输入装置26上的控件按钮被启用时，它们可以被照亮。优选地，CPU 24还可进行操作，以在脚踏开关14被接合时停止照亮禁用的预置控件34，以使用户获悉它们是不可操作的。优选地，即使在脚踏开关14被接合时，增量控件32仍保持照亮，以确保用户获悉它们仍能操作并且流速变化可以逐步地进行。

Claims (6)

1.一种用于内窥镜手术的流体管理系统，所述流体管理系统包括泵，所述泵被配置为将液体从储液器输送到医疗装置，所述泵包括：中央处理单元CPU，其被配置为控制所述泵的操作；脚踏开关，其与所述CPU通信并被配置为致动所述泵；以及用户输入装置，其被配置为对所述CPU进行编程以按所述泵的操作参数的多个预定水平来操作所述泵，并被配置为允许用户为泵操作选择所述多个预定水平中的一个，其中，所述CPU还被配置为在所述脚踏开关被接合时禁用所述用户输入装置的至少多个部件。
2.根据权利要求1所述的流体管理系统，其中，所述用户输入装置包括增量控件和预置控件，所述增量控件能进行操作以逐步地增大和减小所述泵的操作参数，所述预置控件能进行操作以在所述泵的所述操作参数的所述多个预定水平之间进行直接切换。
3.根据权利要求2所述的流体管理系统，其中，所述CPU被配置为在所述脚踏开关被接合时禁用所述预置控件，并且在所述脚踏开关被接合时将所述增量控件保持在启用状态。
4.根据权利要求3所述的流体管理系统，其中，所述用户输入装置包括在所述泵的主体上的多个控件按钮，所述多个控件按钮在启用时被照亮。
5.根据前述权利要求中任一项所述的流体管理系统，其中，所述泵包括蠕动泵。
6.根据权利要求5所述的流体管理系统，其中，所述操作参数是泵速度或正被抽吸的液体的流速中的至少一者。
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