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公开(公告)号：US20230120949A1
公开(公告)日：2023-04-20
申请号：US17968053
申请日：2022-10-18
发明人： Jan Schwarz , Christoph Erlen , Carsten Niemeier , Marcel Stich , Michael Kauba , Michael Ostermoeller
摘要： A medical fluid pump, such as an infusion pump or syringe pump, includes a printed circuit board equipped with control devices of the medical fluid pump. The control device can include at least the control device of a motor of the medical fluid pump. The medical fluid pump also includes a wireless communication module in the form of a communication circuit board. The communication circuit board is arranged substantially perpendicular or orthogonally to the printed circuit board.
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公开(公告)号：US20230001075A1
公开(公告)日：2023-01-05
申请号：US17851112
申请日：2022-06-28
发明人： Jan Schwarz , Hans-Josef Gerlach , Stefan Batzdorf , Marcel Stich , Matthias Schwalm , Joachim Schuetz
IPC分类号： A61M5/145
摘要： A medical syringe pump includes a housing and a drive head movable linearly to the housing by a tube-shaped or rod-shaped retention arm for actuating a syringe inserted in the housing, for which purpose the retention arm is connected in an axially fixed manner with an advance carriage and is in engagement with an advance spindle via the advance carriage. The medical syringe pump includes a twist protection which protects the advance carriage from twisting about the axis of the retention arm.
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公开(公告)号：US20230001076A1
公开(公告)日：2023-01-05
申请号：US17852480
申请日：2022-06-29
发明人： Jan Schwarz , Dirk Aljets , Marcel Stich , Matthias Schwalm , Stefan Batzdorf , Joachim Schuetz
摘要： A medical fluid pump, in particular a syringe pump, includes a housing and a drive head linearly movable toward the housing via a tubular or rod-shaped drive arm. The drive head has a drive head lower shell facing the housing and a drive head upper shell turned away from the housing. A metallic support structure in the form of a plate is accommodated in an interior space formed by the drive head lower shell and the drive head upper shell and is directly fixed to the drive head lower shell and to a free end portion of the tubular or rod-shaped drive arm.
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公开(公告)号：US20230001077A1
公开(公告)日：2023-01-05
申请号：US17851119
申请日：2022-06-28
发明人： Jan Schwarz , Marcel Stich , Matthias Schwalm , Joachim Schuetz , Norbert Koop , Jan Sokoll , Stefan Espenhahn
IPC分类号： A61M5/145
摘要： A syringe pump includes a syringe bracket fixing a syringe in a syringe channel. The syringe bracket is connected to the syringe pump via a tubular bracket arm and can be pulled out of the syringe pump and locked in the pulled-out position by a catch mechanism so as to insert a syringe into the syringe pump, and after the catch mechanism is released, a spring preload on the bracket arm pulls the syringe bracket back to the syringe pump. The retraction of the bracket arm is damped by a motion damper.
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5.发明申请公开(公告)号：US20230001074A1
公开(公告)日：2023-01-05
申请号：US17854021
申请日：2022-06-30
发明人： Jan Schwarz , Matthias Schwalm , Marcel Stich , Peter Heine , Christoph Erlen , Joachim Schuetz , Michael Rauscher
IPC分类号： A61M5/14
摘要： A medical fluid pump has a housing, a front lid pivotably hinged to the housing, and a carrying handle. The carrying handle, which may have a bow-shaped design, is pivotably hinged to two opposing side faces of the housing. The carrying handle is hinged to the housing such that a handle portion of the carrying handle lies, in a swiveled-out state, in a direction of gravity substantially over a center of gravity of the fluid pump.
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公开(公告)号：US20240293613A1
公开(公告)日：2024-09-05
申请号：US18571230
申请日：2022-06-14
发明人： Marcel Stich
CPC分类号： A61M5/14566 , A61M5/172 , A61M2005/14208
摘要： A piezoelectric drive unit for a syringe pump includes a drive frame, a control unit, a push rod movable on the drive frame in an oscillating manner via a longitudinal stroke device with a first piezo actuator, a linear guide, and a carriage traversable along the linear guide. A first clamping device is coordinated by the control unit for alternating coupling and decoupling of the carriage to or from the push rod. During coupling, an advance of the carriage is generated according to the longitudinal stroke of the push rod movable from an axial starting position. In the first decoupling state, the push rod is released for a motion separate from the carriage. The first clamping device includes a second piezo actuator connected to the control unit. The second piezo actuator is configured to cause at least the first coupling state by expansion or contraction thereof.
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公开(公告)号：US11473619B2
公开(公告)日：2022-10-18
申请号：US17284159
申请日：2019-10-10
发明人： Marcel Stich
摘要： A double-row rolling-element bearing unit of a medical pump, preferably syringe pump, has a bearing core forming a first inner running surface for first rolling elements, which first inner running surface faces in an axial direction, and forms a second inner running surface for second rolling elements, which second inner running surface is arranged oppositely to the first inner running surface in the axial direction. The pump has a bearing bush, which can be mounted on a housing portion and forms a first outer running surface, which lies opposite the first inner running surface, and the pump has a bearing pan, which forms a second outer running surface, which lies opposite the second inner running surface. At least one preloading element couples the bearing pan to the bearing bush with a defined preload to join the double-row rolling-element bearing unit as a unit.
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公开(公告)号：US20210332847A1
公开(公告)日：2021-10-28
申请号：US17284159
申请日：2019-10-10
发明人： Marcel Stich
摘要： A double-row rolling-element bearing unit of a medical pump, preferably syringe pump, has a bearing core forming a first inner running surface for first rolling elements, which first inner running surface faces in an axial direction, and forms a second inner running surface for second rolling elements, which second inner running surface is arranged oppositely to the first inner running surface in the axial direction. The pump has a bearing bush, which can be mounted on a housing portion and forms a first outer running surface, which lies opposite the first inner running surface, and the pump has a bearing pan, which forms a second outer running surface, which lies opposite the second inner running surface. At least one preloading element couples the bearing pan to the bearing bush with a defined preload to join the double-row rolling-element bearing unit as a unit.
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