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AUTOMATIC SENSING AND WARNING DEVICE FOR PLACING INTRAVENOUS DRIP

  • US 20180050152A1
  • Filed: 08/11/2017
  • Published: 02/22/2018
  • Est. Priority Date: 08/19/2016
  • Status: Active Grant
First Claim
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1. An automatic sensing and warning device for placing an intravenous drip, comprising:

  • a transmitter unit, which comprises an encoder circuit and a radio frequency (RF) transmitter that are electrically connected, the encoder circuit comprising a first switch and an encoder integrated circuit (IC) for setting an identification signal of the transmitter unit, wherein the RF transmitter is operable to transmit out the identification signal and the transmitter unit is adapted to attach to an injection site on a hand of a person;

    a blocking unit, which comprises a blocking member and a seat, the blocking member being made of a metallic material and mounted on the seat, the seat being adapted to attach to an intravenous drip pole to be substantially perpendicular to the intravenous drip pole, so as to block the identification signal transmitted from the RF transmitter located in one given range of the seat;

    a receiver unit, which is mounted to the blocking unit, the receiver unit comprising an RF receiver, a decoder circuit, at least one drive circuit, and at least one warning device, the RF receiver being operable to receive the identification signal transmitted from the RF transmitter located in another one given range of the seat, the decoder circuit being coupled to the RF receiver, the drive circuit being coupled to the decoder circuit, the warning device being coupled to the drive circuit, the decoder circuit comprising a second switch and a decoder IC; and

    a fixing device, which supports the blocking unit and the receiver unit and is adapted to mount to the intravenous drip pole;

    wherein the blocking member comprises a piece of disk-like tin foil.

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