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    • 6. 发明申请
    • CONTROLLED DELIVERY DRIVE MECHANISMS FOR DRUG DELIVERY PUMPS
    • 用于药物输送泵的受控输送驱动机构
    • WO2014036308A3
    • 2014-07-24
    • PCT/US2013057367
    • 2013-08-29
    • UNITRACT SYRINGE PTY LTDHANSON IAN B
    • HANSON IAN BBEAVER SCOTTBENTE PAUL F IVBOKELMAN KEVINMAJETTE MARK
    • A61M5/145
    • A61M5/1454A61M5/1452A61M5/14546A61M5/14566A61M5/16804A61M2005/14208A61M2202/0007A61M2205/3334
    • A controlled delivery drive mechanism includes a drug container having a barrel and a plunger seal; a drive housing within which at least initially partially resides a piston having an interface surface and a drive rack; and a power spring. The piston is configured to contact and axially translate the plunger seal within barrel. The mechanism may be configured to convert rotational movement of a drive pinion to axial translation of the drive rack, or to convert axial force of a linear power spring into torsional motion of a drive pinion. A regulating mechanism meters the drive pinion such that the piston is axially translated at a controlled rate. The drug container may contain a drug fluid within a drug chamber for drug delivery at a controlled rate. The regulating mechanism may be an escapement regulating mechanism. A drug delivery pump includes such controlled delivery drive mechanisms.
    • 受控输送驱动机构包括具有筒体和柱塞密封件的药物容器; 驱动器壳体,在驱动器壳体内至少初始部分地驻留具有接口表面和驱动齿条的活塞; 和一个动力弹簧。 活塞构造成接触并且轴向平移筒内的柱塞密封件。 该机构可构造成将驱动小齿轮的旋转运动转换成驱动齿条的轴向平移,或者将线性动力弹簧的轴向力转换成驱动小齿轮的扭转运动。 调节机构测量驱动小齿轮,使得活塞以受控的速率轴向平移。 药物容器可以包含用于以受控速率进行药物输送的药物腔内的药物流体。 调节机构可以是擒纵机构调节机构。 药物输送泵包括这种受控输送驱动机构。
    • 7. 发明申请
    • CONTROLLED DELIVERY DRIVE MECHANISMS FOR DRUG DELIVERY PUMPS
    • 用于药物输送泵的受控输送驱动机构
    • WO2014036239A3
    • 2014-07-17
    • PCT/US2013057259
    • 2013-08-29
    • UNITRACT SYRINGE PTY LTDHANSON IAN B
    • HANSON IAN BBENTE PAUL F IVBOKELMAN KEVINLOVE JOHN C
    • A61M5/145
    • A61M5/1454A61M5/1452A61M5/14546A61M5/14566A61M5/16804A61M2005/14208A61M2202/0007A61M2205/3334
    • A controlled delivery drive mechanism includes a drive housing, a piston, and a biasing member initially retained in an energized state and is configured to bear upon an interface surface of the piston. The piston is configured to translate a plunger seal and a barrel. A tether is connected between the piston and the winch drum to restrain the free expansion of the biasing member and the free axial translation of the piston upon which the biasing member bears upon. The drive mechanism may further include a gear assembly having a motor configured to drive the gear assembly to release the tether from the winch drum. The metering of the tether by the motor controls the rate or profile of drug delivery to a user. A drug delivery pump includes such a controlled delivery drive mechanism. A control system may be utilized to control the desired drug delivery rate/profile.
    • 受控输送驱动机构包括驱动壳体,活塞和最初保持在激励状态的偏压构件,并且构造成承载在活塞的界面表面上。 活塞构造成平移柱塞密封件和筒。 系绳连接在活塞和绞盘鼓之间以限制偏压构件的自由膨胀和偏压构件承受的活塞的自由轴向平移。 该驱动机构可以进一步包括齿轮组件,该齿轮组件具有马达,该马达构造成驱动齿轮组件以将系绳从绞盘鼓上释放。 由马达对绳索进行计量控制向用户输送药物的速率或特征。 药物输送泵包括这种受控的输送驱动机构。 可以利用控制系统来控制期望的药物递送速率/分布。