US Pat. No. 10,169,696

RFID SYSTEM FOR CHECKING MEDICAL ITEMS

OSCL CORPORATION LIMITED,...

1. A RFID system for checking medical items comprising:a processor;
a first RFID reader connected with the processor;
a second RFID reader connected with the processor;
a first antenna connected to the first RFID reader and covering a first coverage area;
a second antenna connected to the second RFID reader and covering a second coverage area;
a first tray disposed in the first coverage area;
a second tray disposed in the second coverage area; and
a plurality of RFID tags being respectively attached to a plurality of medical items;
wherein the RFID tags are configured to store identification codes that respectively and uniquely correspond to the medical items that the RFID tags are attached to;
the first RFID reader only reads the identification codes of the medical items from the RFID tags through the first antenna and send the identification codes to the processor before a surgical operation, the second RFID reader only reads the identification codes of the medical items from the RFID tags through the second antenna and send the identification codes to the processor after the surgical operation;
the first tray is adapted to load the medical items before the surgical operation, the second tray is adapted to load at least one of the medical items moved from the first tray during the surgical operation;
the first coverage area and the second coverage area are mutually exclusive;
wherein the processor stores a first predetermined standard list of the medical items to be loaded in the first tray before the surgical operation, and a second predetermined standard list of the at least one of the medical items to be loaded in the second tray during the operation, and wherein the processor generates a list of missing medical items and a warning after determining that a sum of total numbers of the medical items in the first tray and the second tray after the operation are not identical with a total number of the medical items in the first tray before the operation; and
wherein the first and second trays are open trays.