PRESSURE MONITORING IN A MODULAR ADMINISTERING DEVICE
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United States of America Patent
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app pub date -
Nov 22, 2010
filing date -
May 23, 2008
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Abandoned
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Abstract
An administering device for administering a fluid product through the use of pressure, the device being modular, including a base unit and a cartridge, the base unit containing driving components and the cartridge adapted to be connected detachably to the base unit, wherein the cartridge has a fluid reservoir and a pressure monitoring device having a pressure sensor and a transfer device operably coupled to the pressure sensor, wherein the pressure monitoring device can be activated by an externally applied, alternating electromagnetic field, whereby data can be read, without contact, using the fluid pressure. In one embodiment, the pressure sensor contains a snap disk and the transfer device is an RFID transponder, wherein the base unit comprises a pressure reading device, which is constructed for producing a corresponding alternating electromagnetic field and, depending on the response to the alternating field, for determining a fluid pressure-dependent property of the transfer device.
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