Medical company Tyco uses RFID to ensure the correct use of contrast agents
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Tyco, a healthcare product manufacturer, said its Imaging Solutions subsidiary plans to test the RFID contrast medium delivery system in the next few months and will officially put it into commercial use this summer. The new system uses passive 13.56 MHz RFID tags and readers to ensure that empty, used or expired syringes will not be used on patients during CT scans. The system was approved by the U.S. Food and Drug Administration on May 6.
Contrast agents can make the blood vessels, organs and other non-bone tissues of the body more clearly visible in X-ray images. Tyco’s contrast delivery system consists of Ultraject pre-filled contrast media syringes and Optvantage DH pressure syringes. After adopting the RFID system, the built-in RFID reader of the pressure injector will first identify the ID number of the electronic tag on the syringe to determine whether the syringe has expired, and then the patient will be injected with medicine.
Brian Straeb, deputy director of American Tyco Imaging Solutions, said that in order to manage the contrast agent more safely, the company will use RFID to carry out a series of reforms, and the new system is the first step in the reform. The initial system only serves to prevent the use of used or wrong syringes. In the future, Tyco hopes to use an RFID system to specify the dose, perhaps linking the dose data with the back-end system of the medical system, automatically issuing invoices, or tracking the use of contrast agents for specific patients.
“The role of RFID is to combine pre-filled contrast media syringes and pressure injectors to establish an intelligent interface to ensure that radiographers use contrast media accurately.” Straeb said.
Tyco’s Contrast Delivery System Ultraject pre-filled contrast medium syringe and Optivantage DH pressure syringe
The vast majority of prefilled CT scan contrast agents sold in the United States are manufactured by Tyco Imaging Solutions. The contrast agent is viscous. The usual dose is 50-150 ml. It requires a combination of a pressure syringe and a syringe to make the medicine easier to inject into the vein. Medical institutions must ensure that syringes or new syringes with incorrect materials are not reused. Because the contrast agent is transparent, it is difficult to tell whether the syringe is empty or full.
Hospitals usually use hand-filled reports (such as specifying the injection volume and putting the report in the patient’s medical record) to track the use of contrast media.After adopting the new RFID system
, The technician installs the syringe with the pre-filled contrast medium on the pressure syringe; the syringe’s built-in RFID reader reads the data of the syringe label, the label conforms to the ISO 15693 standard, and is compiled with a unique ID number and batch of contrast medium Number, expiration time, production date, product name, filling volume, concentration and national drug number.
If the reader reads that the syringe has been used or expired, the system then sends out an alarm to inform relevant personnel that the syringe cannot be injected.
If the reader reads that the syringe has never been used and is within the warranty period, the syringe can be injected, and the reader also writes a label to indicate that the syringe has been used. After the patient is injected with the contrast agent, the technician uses a label printer to print the dose and concentration of the contrast agent in the syringe, and paste the label in the medical record.
In the future, Straeb said, Tyco hopes to further expand the system, adding data types, such as different injection methods (some injections must be injected quickly at first, and then slowly injected).
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