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CHEMICAL LIQUID INFUSION SYSTEM

  • US 20090149744A1
  • Filed: 11/17/2005
  • Published: 06/11/2009
  • Est. Priority Date: 11/18/2004
  • Status: Abandoned Application
First Claim
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1. A chemical solution injection system at least comprising:

  • a chemical solution syringe including a cylindrical cylinder member and a columnar piston member slidably inserted into the cylinder member from the back thereof, the cylinder member including a tubular conduit portion formed at a front end and an annular cylinder flange formed at a rear end on outer circumference; and

    a chemical solution injector for injecting the chemical solution into a patient by relatively moving the cylinder member and the piston member of the chemical solution syringe mounted interchangeably,wherein the chemical solution syringe includesa RFID (Radio Frequency Identification) chip having a predetermined elongated shape, wound on the outer circumference surface of the cylinder member, and an amplification antenna having a shape encircling the outer circumference surface of the cylinder member, placed in front of and in parallel with the RFID chip,the chemical solution injector includesa cylinder holding mechanism for holding the cylinder member,a piston driving mechanism for at least pressing the piston member into the held cylinder member, anda RFID reader for performing wireless communication with the RFID chip on the held cylinder member.

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