US Patent 11419622 Automated device for choking

Techniques for blockage removal is provided, which may provide immediate and effective aid to a choking victim. A blockage removal device may comprise a mouthpiece disposed on an inlet. The inlet may be coupled to a chamber configured to hold a vacuum generated by a vacuum pump. A pressure transducer may send information about the vacuum to an electronic control unit (ECU). The ECU may send the information to a solenoid valve, which may open and close at a predetermined setting, instantly exposing or blocking the vacuum.