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    • 4. 发明申请
    • ELECTRONIC CONTROL METHOD AND SYSTEM FOR A PIEZO-ELECTRIC PUMP
    • 电动泵的电子控制方法和系统
    • WO2012085814A2
    • 2012-06-28
    • PCT/IB2011/055771
    • 2011-12-19
    • DEBIOTECH S.A.NOTH, AndréCHAPPEL, Eric
    • NOTH, AndréCHAPPEL, Eric
    • F04B43/04F04B49/06
    • F04B49/00F04B43/0081F04B43/046F04B49/065
    • The method for actuating a pumping device with an optimal driving voltage, wherein the pumping device comprises at least a pumping chamber (4) having a pumping membrane (1), an inlet chamber (3) and an outlet chamber (5), a voltage controlled actuator (6) connected to said pumping membrane (1 ), said pumping membrane reaching at least one stop position defined by a mechanical stop (2) during a pumping stroke, at least one sensor for determining whether the pumping membrane has reached said at least one mechanical stop (2); said method comprising a learning phase and a working phase, wherein the learning phase comprises at least the following steps -) actuation of the pumping membrane (1 ) by applying a predetermined actuation voltage V act to the actuator (6), said voltage being either high enough for said pumping membrane (1 ) to reach said position in an over-actuation step or low enough for said pumping membrane (1 ) not to reach said mechanical stop (2) position in an under-actuation process; -) after the over-actuation step, decreasing the applied actuation voltage until it is determined that the pumping membrane (1 ) has left said mechanical stop (2) position and storing as the optimal voltage V act optimal the lowest applied voltage value before the pumping membrane (1 ) has left said mechanical stop (2) position; or -) in the under-actuation step, increasing the applied voltage until it is determined that the pumping membrane (1 ) has reached said mechanical stop (2) position and storing as the optimal voltage V act optimal the lowest applied voltage value when the pumping membrane (1 ) has reached said mechanical stop (2) position; -) actuating the pumping device in the working phase with the determined optimal voltage value V act optimal .
    • 用于以最佳驱动电压致动泵送装置的方法,其中所述泵送装置至少包括具有泵送膜(1),入口室(3)和出口室(5)的泵送室(4),电压 连接到所述泵送膜(1)的所述控制致动器(6),所述泵送膜在泵送冲程期间达到由机械止挡(2)限定的至少一个停止位置,至少一个传感器,用于确定泵送膜是否达到 至少一个机械停止(2); 所述方法包括学习阶段和工作阶段,其中所述学习阶段至少包括以下步骤: - 通过向所述致动器(6)施加预定的致动电压Vact来致动所述泵送膜(1),所述电压高 足以使所述泵送膜(1)在过度致动步骤中达到所述位置或足够低以使所述泵送膜(1)在致动不足的过程中不到达所述机械停止(2)位置; - )在过度致动步骤之后,减小所施加的致动电压,直到确定泵送膜(1)已经离开所述机械停止(2)位置并且存储为泵送之前的最低施加电压值为最佳电压Vact 膜(1)已经离开了机械停止位置(2); 或 - )在增加施加的电压,直到确定泵送膜(1)已经达到所述机械停止(2)位置并且存储为最佳电压Vact时最佳施加的电压值,当泵送 膜(1)已达到所述机械停止位置(2); - )在确定的最佳电压值Vact最优的情况下在工作阶段致动泵送装置。
    • 5. 发明申请
    • MICROMECHANIC PASSIVE FLOW REGULATOR
    • 微生物被动流量调节器
    • WO2011098946A1
    • 2011-08-18
    • PCT/IB2011/050514
    • 2011-02-07
    • DEBIOTECH S.A.CHAPPEL, Eric
    • CHAPPEL, Eric
    • A61M5/168A61M27/00F15C3/04F15C5/00F16K11/00G05D7/01F16K99/00
    • A61M5/16881A61M5/14276A61M5/145A61M5/16813A61M27/006A61M2039/2413A61M2205/0244F16K99/0001F16K99/0015F16K99/0057F16K2099/008F16K2099/0088G05D7/0635G05D7/0694Y10T137/7791Y10T137/86734
    • The invention concerns a flow regulator, made of a stack of 3 plates, respectively a top plate including a flexible membrane (1), a middle plate (2) with pillars and through holes and a bottom plate ( 3 ) with fluidic ports, micro channels and through holes (8,9,12). The principle is based on the deformation of the membrane due to the pressure of the liquid. The membrane goes in contact with the pillars of the middle plate, obstructing gradually the through holes of the pillars. The device is designed to keep the flow constant in a predefined range of pressure. The device is dedicated to ultra low flow rate up to 1 ml per day or below, typically for drug infusion. Plastic flow regulators comprise preferably several independent valves coupled in parallel. The membrane plate is therefore made of several flexible membranes obstructing gradually the flow by increasing the pressure. Stress limiters are used to avoid plastic deformation of the membrane. For implanted pump, the use of a flow regulator instead of a flow restrictor has several advantages, including the possibility to reduce significantly the reservoir pressure and to generate directly the pressure during the pump filling by using an elastic drug reservoir.
    • 本发明涉及一种流量调节器,由三个板组成,分别是包括柔性膜(1),具有支柱和通孔的中间板(2)和具有流体端口的底板(3)的顶板,微板 通道和通孔(8,9,12)。 该原理是基于液体由于压力引起的膜的变形。 膜与中间板的支柱接触,逐渐阻塞柱的通孔。 设备旨在使流量保持在预定的压力范围内。 该设备专用于每天或以下超过1毫升的超低流速,通常用于药物输注。 塑料流量调节器优选并联连接多个独立的阀。 因此,膜片由几个柔性膜制成,通过增加压力逐渐阻塞流动。 应力限制器用于避免膜的塑性变形。 对于植入式泵,使用流量调节器代替限流器具有若干优点,包括显着降低储层压力并通过使用弹性药物储存器在泵填充期间直接产生压力的可能性。
    • 8. 发明申请
    • VENTED RESERVOIR FOR MEDICAL PUMP
    • 用于医用泵的通风储罐
    • WO2012176171A1
    • 2012-12-27
    • PCT/IB2012/053177
    • 2012-06-22
    • DEBIOTECH S.A.CHAPPEL, EricALLENDES, RicardoNEFTEL, Frédéric
    • CHAPPEL, EricALLENDES, RicardoNEFTEL, Frédéric
    • A61M5/142A61M5/168A61M5/145
    • A61M5/14244A61M5/14593A61M5/16859A61M5/16881A61M5/5086F04D15/0005
    • The present invention concerns a medical pump comprising: a. A hard housing comprising a top (24) and bottom (1 ) hard shells, within which a rigid wall (3) and a movable membrane (2) create three distinct chambers; wherein i. said movable membrane tightly separates said second (29) and third (22) chambers ii. said first and third chambers have a watertight interface iii. said second chamber (29) is designed to contain a fluid iv. said first chamber (23) comprises a first venting mean (20) which is arranged to provide a fluidic communication between said first chamber (23) and the external environment; v. said third chamber (22) comprises a second venting mean which is arranged to provide a fluidic communication between said third chamber (22) and the external environment b. A pumping element (4) located in the first chamber (23) c. A least one pressure sensor which measure the pressure gradient between the first chamber (23) and the second chamber (29) d. A fluid pathway which permits: i. a first fluid connection (27) between said second chamber (29) and said pumping element ii. a second fluid connection (28) between said pumping element and a patient line (30).
    • 本发明涉及一种医用泵,包括:a。 一种硬壳体,包括顶部(24)和底部(1)硬壳,刚性壁(3)和活动膜(2)形成三个不同的腔室; 其中i。 所述活动膜将所述第二(29)和第三(22)腔室紧密分离。 所述第一和第三室具有不透水的界面。 所述第二室(29)被设计成容纳流体iv。 所述第一腔室(23)包括第一通气装置(20),其被布置成在所述第一腔室(23)和外部环境之间提供流体连通; v。所述第三室(22)包括第二排气装置,其被布置成在所述第三室(22)和外部环境b之间提供流体连通。 位于第一室(23)中的泵送元件(4) 至少一个压力传感器,其测量第一室(23)和第二室(29)之间的压力梯度。 流体通道,允许:i。 所述第二室(29)和所述泵送元件(ii)之间的第一流体连接(27)。 在所述泵送元件和患者管线(30)之间的第二流体连接(28)。
    • 9. 发明申请
    • PASSIVE FLUID FLOW REGULATOR
    • 被动流体流量调节器
    • WO2011098867A1
    • 2011-08-18
    • PCT/IB2010/052250
    • 2010-05-20
    • DEBIOTECH S.A.CHAPPEL, EricNEFTEL, Frédéric
    • CHAPPEL, EricNEFTEL, Frédéric
    • A61M27/00F16K15/02F16K15/06
    • A61M27/006A61M5/16881A61M2205/3344F16K15/026F16K15/063Y10T137/7792Y10T137/7933
    • The regulator comprises at least a cylinder (2) with a fluid inlet connector (1 ) for receiving fluid at an inlet pressure and a fluid outlet connector (4) for delivering fluid, at least one chamber (3), a rod (5) in said cylinder with one side submitted to the inlet pressure and the other side submitted to the outlet pressure generating a net force counter-balanced by at least one spring means (7) acting on one side of said rod (5) against said inlet pressure, wherein a fluidic pathway is formed between said rod (5) and said cylinder (2) as the major fluidic resistance of the device, wherein a change of the inlet pressure induces a move of the rod along the axis of the cylinder thereby modifying the fluidic resistance of said fluidic pathway, wherein the fluidic resistance of said pathway varies with the applied pressure at the inlet in a predefined range of pressure, inducing a regulated flow rate in the considered range of pressure.
    • 所述调节器至少包括具有用于接收入口压​​力的流体的流体入口连接器(1)和用于输送流体的流体出口连接器(4)的至少一个气缸(2),至少一个腔室(3),杆(5) 在所述气缸中,一侧承受入口压力,另一侧承受出口压力,产生由至少一个弹簧装置(7)反平衡的净力,所述弹簧装置(7)抵抗所述入口压力作用在所述杆(5)的一侧上 ,其中在所述杆(5)和所述气缸(2)之间形成流体通道作为所述装置的主要流体阻力,其中所述入口压力的变化引起所述杆沿着所述气缸的轴线的移动,从而改变 所述流体路径的流体阻力,其中所述通路的流体阻力随预定压力范围内入口处的施加压力而变化,从而在所考虑的压力范围内引起调节流量。
    • 10. 发明申请
    • PASSIVE FLUID FLOW REGULATOR
    • 被动流体流量调节器
    • WO2010020891A1
    • 2010-02-25
    • PCT/IB2009/052775
    • 2009-06-26
    • DEBIOTECH S.A.CHAPPEL, Eric
    • CHAPPEL, Eric
    • A61M5/168F15C3/04A61M5/145A61M27/00
    • A61M5/16881A61M5/145A61M27/006A61M37/00A61M2205/0244F16K99/0001F16K99/0013F16K99/0015F16K99/0026F16K99/0057F16K2099/0088Y10T137/86718Y10T137/87306
    • A fluid flow regulator (1) of the passive type is disclosed which has a fluid inlet adapted to be connected to a fluid reservoir and a fluid outlet (13)adapted to be connected to a patient's body. The regulator comprises a rigid substrate (2) and a resilient membrane (3) tightly linked together so as to define a cavity (6) there between which is disconnected to the fluid outlet while the membrane has a first surface (12) opposite the cavity which is connected to the fluid inlet. The membrane has a plurality of through holes (15) contiguous with the cavity,to define a pathway for a fluid from the fluid inlet to the fluid outlet, and is flexible so as to be able to come into contact with the substrate as a fluid applies a sufficient pressure on the first surface. The through holes are arranged such that,when the fluid pressure increases, they close one after the other to increase the regulator fluidic resistance so that a fluid flow rate would be substantially constant as a function of the pressure applied on the first surface within a predefined pressure range.
    • 公开了一种无源型流体流量调节器(1),其具有适于连接到流体储存器的流体入口和适于连接到患者身体的流体出口(13)。 调节器包括刚性基板(2)和紧密连接在一起的弹性膜(3),以便限定一个空腔(6),在该空腔之间与流体出口断开,而膜具有与空腔相对的第一表面(12) 其连接到流体入口。 膜具有多个与空腔邻接的通孔(15),以限定用于流体从流体入口到流体出口的路径,并且是柔性的,以便能够作为流体与基底接触 在第一表面施加足够的压力。 通孔布置成使得当流体压力增加时,它们一个接一个地关闭以增加调节器的流体阻力,使得流体流速基本上恒定,这是在预定义的范围内施加在第一表面上的压力的函数 压力范围。