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    VOLUMETRIC INFUSION PUMP
    23.
    发明专利
    VOLUMETRIC INFUSION PUMP 未知

    公开(公告)号：CA2404845A1

    公开(公告)日：1997-10-16

    申请号：CA2404845

    申请日：1997-03-21

    Applicant: BAXTER INT

    Inventor： MONAGHAN MARTIN ,  MORASKI KEVIN J ,  STEWART JANICE ,  PLUMB JON ,  DANBY HAL ,  BRUNDLE ALAN ,  ALLEN TIM ,  MCGRAGHAN THOMAS ,  LYNN KENNETH M ,  PAGE STUART ,  TURNER JOHN M ,  LABEDZ RALPH H ,  MYREN SVANTE ERIC ,  HUTCHINS GEOFF ,  HARRIS MARK

    IPC: A61M5/142 ,  A61M5/168

    Abstract: A medical infusion pump is disclosed which provides for greatly improved accuracy in the delivery of medica- ments to a patient. Among the various features included in the instant invention is a pumping body which serves to deform and reform a tube so as to maintain the initial cross section thereof and thereby preserve the output accuracy of the pump. Also disclosed with regard to the pumping body is a wholly mechanical synchronization of the pump- ing body and valves associated therewith and coactive with the aforementioned synchronization a mechanical lineariza- tion of output of the pumping body per each pumping cy- cle. Additionally, several features which serve to enhance the utility of the instant invention are also included therein among which is an associated assembly operative to auto- matically load or disload a tube or IV sa into or out of the pumping body. Associated with the assembly operative to automatically load or disload a tube and disclosed herein is an assembly operative to selectively open or close a slide clamp associated with the tube in such a way as to ensure that the tube is occluded such that in combination with the valves associated with the pumping body, a condition of free-flow of medicament is never realized. Additionally disclosed are sensor housings adapted to measurevarious quantities associated with fluid flowing through the tube wherein the housings are with associated components adapted to achieve a substantially normal orientation with respect to the sidewall of the tube and in the achieving of such normal orientation, expressing an essentially zero elastic stress gradient across the tube.

    VOLUMETRIC INFUSION PUMP
    25.
    发明专利
    VOLUMETRIC INFUSION PUMP 未知

    公开(公告)号：CA2404806C

    公开(公告)日：2006-06-06

    申请号：CA2404806

    申请日：1997-03-21

    Applicant: BAXTER INT

    Inventor： ALLEN TIM ,  BRUNDLE ALAN ,  DANBY HAL ,  HARRIS MARK ,  MYREN SVANTE ERIC ,  MORASKI KEVIN J ,  HUTCHINS GEOFF ,  PLUMB JON ,  MCGRAGHAN THOMAS ,  MONAGHAN MARTIN ,  LYNN KENNETH M ,  LABEDZ RALPH H ,  STEWART JANICE ,  TURNER JOHN M ,  PAGE STUART

    IPC: A61M5/142 ,  A61M5/168

    Abstract: A medical infusion pump is disclosed which provides for greatly improved accuracy in the delivery of medics. ments to a patient. Among the various features included in the instant invention is a pumping body which serves to deform and reform a tube so as to maintain the initial cross section thereof and thereby preserve the output accuracy of the pump. Also disclosed with regard to the pumping body is a wholly mechanical synchronization of the pumping body and valves associated therewith and coactive with the aforementioned synchronization a mechanical linearization of output of the pumping body per each pumping cycle. Additionally, several features which serve to enhance the utility of the instant invention are also included therein among which is an associated assembly operative to automatically load or disload a tube or IV set into or out of the pumping body. Associated with the assembly operative to automatically load or disload a tube and disclosed herein is an assembly operative to selectively open or close a slide clamp associated with the tube in such a way as to ensure that the tube. is occluded such that in combination with the valves associated with the pumping body, a condition of free-flow of medicament is never realized. Additionally disclosed arc sensor housings adapted to measure various quantities associated with fluid flowing through the tube wherein the housings are with associated components adapted to achieve a substantially normal orientation with respect to the sidewall of the tube and in the achieving of such normal orientation, expressing an essentially zero elastic stress gradient across the tube.

    VOLUMETRIC INFUSION PUMP
    28.
    发明专利
    VOLUMETRIC INFUSION PUMP 未知

    公开(公告)号：CA2223838C

    公开(公告)日：2004-03-16

    申请号：CA2223838

    申请日：1997-03-21

    Applicant: BAXTER INT

    Inventor： LYNN KENNETH M ,  PLUMB JON ,  PAGE STUART ,  MORASKI KEVIN J ,  ALLEN TIM ,  LABEDZ RALPH H ,  STEWART JANICE ,  MYREN SVANTE ERIC ,  HUTCHINS GEOFF ,  MONAGHAN MARTIN ,  MCGRAGHAN THOMAS ,  HARRIS MARK ,  BRUNDLE ALAN ,  TURNER JOHN M ,  DANBY HAL

    IPC: A61M5/00 ,  A61M1/00 ,  A61M5/14 ,  A61M5/142 ,  A61M5/168 ,  A61M5/36 ,  A61M39/28 ,  B01J4/00 ,  F04B43/08 ,  F04B43/12 ,  F04B53/16 ,  F04C5/00

    Abstract: A medical infusion pump is disclosed which provides for greatly improved accuracy in the delivery of medica- ments to a patient. Among the various features included in the instant invention is a pumping body which serves to deform and reform a tube so as to maintain the initial cross section thereof and thereby preserve the output accuracy of the pump. Also disclosed with regard to the pumping body is a wholly mechanical synchronization of the pump- ing body and valves associated therewith and coactive with the aforementioned synchronization a mechanical lineariza- tion of output of the pumping body per each pumping cy- cle. Additionally, several features which serve to enhance the utility of the instant invention are also included therein among which is an associated assembly operative to auto- matically load or disload a tube or IV set into or out of the pumping body. Associated with the assembly operative to automatically load or disload a tube and disclosed herein is an assembly operative to selectively open or close a slide clamp associated with the tube in such a way as to ensure that the tube is occluded such that in combination with the valves associated with the pumping body, a condition of free-flow of medicament is never realized. Additionally disclosed are sensor housings adapted to measure various quantities associated with fluid flowing through the tube wherein the housings are with associated components adapted to achieve a substantially normal orientation with respect to the sidewall of the tube and in the achieving of such normal orientation, expressing an essentially zero elastic stress gradient across the tube.

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