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公开(公告)号：US11717607B2
公开(公告)日：2023-08-08
申请号：US15930132
申请日：2020-05-12
发明人： Christian Nessel , René Richter , Robert Witt , Richard Guenther
IPC分类号： A61M5/14 , A61M5/142 , H02K41/03 , H02P8/00 , A61M5/30 , H02K11/225 , A61M5/20 , H02P25/066 , H02P8/34 , A61M5/24
CPC分类号： A61M5/14212 , A61M5/20 , A61M5/30 , H02K11/225 , H02K41/031 , H02P8/005 , H02P8/34 , H02P25/066 , A61M5/24 , H02P2203/01
摘要： The disclosure relates to a drug delivery device having a drive unit includes a stator comprising a plurality of coils consecutively arranged in an axial direction, and an armature axially movable within the stator, the armature including a number of magnets and pole shoes consecutively arranged in the axial direction. A respective pole shoe is arranged between respectively neighbouring magnets. At least one axial end of the armature comprises a terminal pole shoe.
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公开(公告)号：US11607490B2
公开(公告)日：2023-03-21
申请号：US16346427
申请日：2017-10-30
发明人： Rene Richter , Robert Witt , Richard Guenther , Thomas Nagel
IPC分类号： A61M5/168 , A61M5/315 , A61M5/48 , G01F22/02 , A61M5/14 , A61M5/142 , A61M5/145 , A61M5/20 , G01F17/00 , G01F22/00
摘要： The present disclosure relates in one aspect to a measuring arrangement for measuring a volume occupied by a liquid medium inside a liquid reservoir, the measuring arrangement including a container having an interior volume containing a gas reservoir filled with a gaseous medium and containing a liquid reservoir filled with a liquid medium, wherein the gas reservoir and the liquid reservoir are hermetically separated by an impenetrable separation wall, a volume modulator to induce a volume change of the gas reservoir, a pressure sensor arranged inside the gas reservoir to measure a pressure change of the gaseous medium in response to the volume change of the gas reservoir, and a controller connectable to the pressure sensor, wherein the controller is configured to calculate the volume of the liquid reservoir on the basis of the pressure change and the volume change.
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公开(公告)号：US20190262544A1
公开(公告)日：2019-08-29
申请号：US16345942
申请日：2017-10-30
发明人： René Richter , Robert Witt , Richard Guenther
IPC分类号： A61M5/315
摘要： In one aspect the present disclosure refers to a supplementary device (10) for a manually operable injection device (1), the supplementary device comprising: —a body (11) attachable to an elongated housing (2) of the injection device (1), —at least one connector (12, 14) connected to the body (11) and connectable to the housing (2), wherein the body (11) is attachable to the housing (2) via the at least one connector (12, 14), —a sensor arrangement (20) coupled to at least one of the body (11) and the at least one connector (12, 14) and configured to measure a longitudinal force component (F) acting between the at least one connector (12, 14) and the body (11) in a direction parallel to the elongation of the housing (2).
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公开(公告)号：US20150151046A1
公开(公告)日：2015-06-04
申请号：US14405434
申请日：2013-06-25
发明人： Thomas Nagel , Rene Richter , Robert Witt , Richard Guenther , Peter Raab
CPC分类号： A61M5/14546 , A61M5/1452 , A61M2005/14506 , A61M2205/0266 , A61M2205/0272 , A61M2205/0294 , A61M2207/00 , F16H31/007 , H02K41/03 , H02N2/023 , Y10T74/1856 , Y10T83/04 , Y10T409/303752
摘要： The invention relates to a linear actor arrangement, comprising a linear actor with two ends whose distance is variable depending on an energizing of the linear actor, wherein each end is attached to a respective first or second coupling element which engage a coupling surface, wherein the coupling surface and the coupling elements exhibit mating surface structures in such a manner that the coupling elements are prevented from moving in a direction while being allowed to move in an opposite direction.
摘要翻译： 本发明涉及一种线性电动机配置，其包括具有两端的线性电动机，其两端的距离可根据线性电动机的激励而变化，其中每个端部附接到接合联接表面的相应的第一或第二耦合元件，其中， 耦合表面和耦合元件以这样的方式表现出配合表面结构，使得耦合元件被阻止沿着相反方向移动的方向移动。
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公开(公告)号：US20240226445A1
公开(公告)日：2024-07-11
申请号：US18616633
申请日：2024-03-26
发明人： Rene Richter , Robert Witt , Richard Guenther
CPC分类号： A61M5/31535 , A61M5/178 , A61M5/3155 , A61M2005/3126 , A61M2205/332 , A61M2205/3327 , A61M2205/3331 , A61M2205/3375 , A61M2205/43 , A61M2205/50 , A61M2205/52 , A61M2205/586 , A61M2205/70 , A61M2205/8206
摘要： In one aspect the present disclosure refers to a supplementary device for a manually operable injection device, the supplementary device comprising:
a body attachable to an elongated housing of the injection device,
at least one connector connected to the body and connectable to the housing, wherein the body is attachable to the housing via the at least one connector,
a sensor arrangement coupled to at least one of the body and the at least one connector and configured to measure a longitudinal force component acting between the at least one connector and the body in a direction parallel to the elongation of the housing.-
公开(公告)号：US11246984B2
公开(公告)日：2022-02-15
申请号：US16345933
申请日：2017-10-30
发明人： René Richter , Robert Witt , Richard Guenther , Thomas Nagel
摘要： In one aspect the present disclosure refers to a measuring arrangement for measuring of a volume change of a liquid medium located inside a liquid reservoir, the measuring arrangement comprising: a gas tight enclosure having an interior volume containing a gas reservoir and containing the liquid reservoir, wherein the liquid reservoir is filled with a liquid medium, a gas inlet in flow connection with the gas reservoir and extending through a boundary of the gas tight enclosure to an exterior of the gas tight enclosure, an outlet connectable with the liquid reservoir and extending through the boundary of the gas tight enclosure, wherein the gas reservoir and the liquid reservoir are hermetically separated by an impenetrable separation wall, and a flow meter arranged in or across the gas inlet to measure an ingress of a gaseous medium through the inlet in response to a withdrawal of the liquid medium from the liquid reservoir through the outlet.
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公开(公告)号：US20200268964A1
公开(公告)日：2020-08-27
申请号：US15930132
申请日：2020-05-12
发明人： Christian Nessel , René Richter , Robert Witt , Richard Guenther
IPC分类号： A61M5/142 , H02K41/03 , H02P8/00 , A61M5/30 , H02K11/225 , A61M5/20 , H02P25/066 , H02P8/34
摘要： The disclosure relates to a drug delivery device having a drive unit includes a stator comprising a plurality of coils consecutively arranged in an axial direction, and an armature axially movable within the stator, the armature including a number of magnets and pole shoes consecutively arranged in the axial direction. A respective pole shoe is arranged between respectively neighbouring magnets. At least one axial end of the armature comprises a terminal pole shoe.
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公开(公告)号：US09956338B2
公开(公告)日：2018-05-01
申请号：US14405992
申请日：2013-07-05
发明人： Thomas Nagel , Rene Richter , Robert Witt , Richard Guenther
CPC分类号： A61M5/14212 , A61K9/0004 , A61M5/14593 , A61M2005/14268 , A61M2005/14513 , A61M2205/502
摘要： The invention relates to a drug delivery device, comprising a control unit, a drive unit, a pressurizing medium container arranged to contain a pressurizing liquid, a drug container arranged to contain a drug and a discharge nozzle, wherein the drive unit when controlled and energized by the control unit is arranged to generate a pressure gradient in the pressurizing liquid thereby propagating the pressure to the drug container and at least partially displacing the drug from the drug container through the discharge nozzle, wherein the drive unit is arranged as an electro-osmotic actor.
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公开(公告)号：US20190275239A1
公开(公告)日：2019-09-12
申请号：US16346427
申请日：2017-10-30
发明人： Rene Richter , Robert Witt , Richard Guenther , Thomas Nagel
摘要： The present disclosure relates in one aspect to a measuring arrangement for measuring a volume occupied by a liquid medium inside a liquid reservoir, the measuring arrangement including a container having an interior volume containing a gas reservoir filled with a gaseous medium and containing a liquid reservoir filled with a liquid medium, wherein the gas reservoir and the liquid reservoir are hermetically separated by an impenetrable separation wall, a volume modulator to induce a volume change of the gas reservoir, a pressure sensor arranged inside the gas reservoir to measure a pressure change of the gaseous medium in response to the volume change of the gas reservoir, and a controller connectable to the pressure sensor, wherein the controller is configured to calculate the volume of the liquid reservoir on the basis of the pressure change and the volume change.
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公开(公告)号：US20180055994A1
公开(公告)日：2018-03-01
申请号：US15547448
申请日：2016-02-02
发明人： Christian Nessel , Robert Witt , René Richter
CPC分类号： A61M5/1422 , A61M5/16809 , A61M5/16827 , A61M2005/1402 , F04B3/00 , F04B13/00 , F04B49/065 , F04B51/00 , F04B53/162
摘要： A method of priming a medical pump is disclosed. The method includes providing a medical pump comprising a chamber, a first plunger element and, a second plunger element. The method further comprises determining a minimum distance (MD) between the first and the second plunger element and determining the location of an opening of the chamber.
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