BREAST PUMP SYSTEM Russian patent published in 2018 - IPC A61M1/06 

Abstract RU 2648841 C2

FIELD: medicine.

SUBSTANCE: invention relates to medical equipment. Breast pump system contains solenoid valve and vacuum pump configured for control by controller, with possibility to change the pressure in the squeezing unit depending on the state of the solenoid valve. Socket for receiving the breast is connected to the vacuum pump through the connecting element. Power supply is configured to supply electrical power to the solenoid valve to enable it to move between the first and second position. Controller is configured to detect a change in the inductance of the solenoid valve, which indicates that the solenoid valve moves from the first to the second position. Resistor is connected in series with the solenoid valve and the power supply, and the controller is configured to detect the voltage across the resistor, when resistor is connected to reference voltage or ground, or to detect the voltage in the node between the solenoid valve and the resistor when the resistor is connected to the ground.

EFFECT: technical result consists in increase of safety.

14 cl, 16 dwg

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RU 2 648 841 C2

Authors

Alders Arnold

El Barakat Khassan

Den Bekker Teodorus Jokhannes Adrianus Mariya

Yanson Kornelis Jokhannes

Dates

2018-03-28Published

2013-06-26Filed