JP2005284745A - Malpractice prevention system, and portable terminal device for use in the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a system that prevents malpractice by facilitating accurate patient identification and administration confirmation in medical practice such as operations, examinations and administration in medical facilities. <P>SOLUTION: The malpractice prevention system comprises a patient wristband 10 provided with a transponder for transmitting patient identification information and printed with the patient identification information, a medicine label provided with a transponder for transmitting patient identification information and printed with the patient identification information, and a portable terminal device 50 for determining whether a medicine labeled with the medicine label is prepared for a corresponding patient or not according to the patient identification information received from the transponder of the patient wristband or the patient identification information optically read from the patient wristband, and the patient identification information received from the transponder of the medicine label or the patient identification information optically read from the medicine label. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a system for preventing medical errors in operations, examinations, medications, and the like by assisting medical practices performed by medical personnel such as doctors and nurses in medical facilities. Furthermore, this invention relates to the portable terminal device used in such a medical malpractice prevention system.

  In a medical field, a doctor diagnoses a patient, creates a prescription, a pharmacist prepares a drug to be administered to the patient according to the prescription, and a nurse administers the drug to the patient. As described above, since medical care is performed by the joint work of a plurality of humans, there is a possibility that a serious medical error such as a mix-up of patients and drugs may occur.

  In recent years, electronic medical records have been used in which records relating to patient health, such as medical care, nursing care, and assistance, are created as electronic information using a computer. However, even if the nurse has sufficiently confirmed the information on the electronic medical record, a medical error such as mistaking the patient or administering the wrong medicine has actually occurred.

  As a related technique, the following Patent Document 1 discloses a medical error by preventing an error of a medicine to be administered to a patient, particularly an injection medicine or an infusion medicine, on the spot and generating an alarm. A medical support system for preventing this is disclosed. In this medical support system, a medical portable terminal for use by medical personnel such as doctors and nurses is used. The medical portable terminal displays data relating to patient biometric information such as body temperature, blood pressure, respiratory rate, pulse, etc., drugs prescribed to the patient, their administration method, etc., in association with identification codes (barcode etc.) An alarm unit, an input unit for keying various data, a reading unit for reading an identification code, and a transmission unit for transmitting data to a reception unit connected to the hospital LAN wirelessly or by wire.

According to such a medical support system, a prescription (procedure, drug type, administration method, administration speed, etc.) performed by a doctor is read with an identification code, the data is displayed and the prescription is confirmed, and then the prescription is given to the patient. Therefore, if there is a medical error, an alarm can be generated on the spot. However, since the confirmation of the patient name is performed by a human, there is a possibility that the patient will be mistaken due to misreading of the patient name.
Japanese Patent Laid-Open No. 2002-83065 (first and third pages, FIG. 1)

  Therefore, in view of the above points, the present invention makes it possible to easily and accurately perform patient identification and medication confirmation by using a transponder in medical practices such as surgery, examination, and medication in a medical facility. An object is to provide a system for preventing medical errors. It is another object of the present invention to provide a medical malpractice prevention system capable of preventing adverse effects on a patient's pacemaker or the like due to radio communication of a transponder.

In order to solve the above-described problems, a medical malpractice prevention system according to the present invention is for storing information and preventing medical malpractice in a medical facility using a transponder capable of wireless communication when energy is supplied from the outside. A system having a transponder capable of transmitting patient identification information and having a patient wristband printed with the patient identification information, a transponder capable of transmitting patient identification information, and patient identification information It has a printed medicine tag, wireless communication means for supplying energy to the transponder and performing wireless communication with the transponder, and reading means for optically reading the printed information. The patient identification information or the reading means received from the transponder of the patient wristband The medicine tag is attached based on the patient identification information optically read from the band and the patient identification information received from the medicine tag transponder by the wireless communication means or the patient identification information optically read from the medicine tag by the reading means. And a portable terminal device for determining whether or not the prepared medicine is a medicine prepared for the patient.
The portable terminal device according to the present invention is a portable terminal used in a system for storing medical information and preventing medical errors in a medical facility using a transponder capable of wireless communication when energy is supplied from the outside. A wireless device for wirelessly communicating with a transponder by supplying energy to a transponder provided on a patient wristband on which patient identification information is printed and a medicine tag on which patient identification information is printed. Communication means, reading means for optically reading the printed patient identification information, and patient identification information received from the transponder of the patient wristband by wireless communication means or optically reading from the patient wristband by the reading means Patient identification information and received from drug tag transponder by wireless communication means Control means for determining whether or not the medicine with the medicine tag is a medicine prepared for the patient based on the person identification information or the patient identification information optically read from the medicine tag by the reading means It is characterized by comprising.

According to the present invention, the patient is identified based on the patient identification information received from the transponder of the patient wristband or the patient identification information optically read from the patient wristband, and the patient received from the transponder of the medicine tag Based on the identification information or the patient identification information optically read from the medicine tag, it is determined whether or not the medicine with the medicine tag is a medicine prepared for the patient. Medical errors such as surgery, examinations, medications, etc. can be prevented by making patient identification and medication confirmation simple and accurate.
In addition, by using a bed tag with information on whether or not a transponder for the patient wristband is available, the transponder can be removed for patients who may be affected by the magnetic field or electromagnetic field generated by the transponder. Accurate treatment and management can be performed by optically reading the identification code without using it. Even when the transponder fails, accurate treatment and management are possible by optically reading the identification code.
In addition, by using a medical worker tag having a transponder capable of transmitting the medical worker identification information and having the medical worker identification information printed thereon, the medical worker wearing the medical worker tag can It is also possible to determine whether or not the person is a medical worker in charge.
As the transponder, an RFID label in which patient identification information or medical worker identification information is stored and printed may be used. In that case, under the control of the management server, the printing device can print the patient identification information and the medical worker identification information on the RFID label as a two-dimensional code.

Hereinafter, the best mode for carrying out the present invention will be described in detail with reference to the drawings. In addition, the same code | symbol is attached | subjected to the same component and description is abbreviate | omitted.
FIG. 1 is a block diagram showing the configuration of a medical malpractice prevention system according to an embodiment of the present invention. This medical malpractice prevention system is a system for preventing medical malpractice in a medical facility using a transponder capable of storing information and wirelessly communicating when externally supplied with energy. An RFID (radio frequency identification) label is used as a transponder. In addition, explanation will be given by taking doctors and nurses as an example of medical staff.

  As shown in FIG. 1, the medical malpractice prevention system includes an RFID label 11 that can transmit patient identification information, a patient wristband 10 for a patient to wear on an arm, and a drip etc. An RFID label 21 that can be used as a medicine tag to be attached to the medicine container 20 and can transmit patient identification information; and a doctor tag 30 to which an RFID label 31 that can transmit doctor identification information is attached; , A nurse tag 40 to which an RFID label 41 capable of transmitting nurse identification information is attached, and a mobile phone that obtains information from these RFID labels 11, 21, 31, and 41 and makes various determinations A terminal device 50, a management server 60 for managing a plurality of portable terminal devices 50, and a label printer for printing on an RFID label under the control of the management server 60 And a printer 70.

  The management server 60 manages a patient information DB (database) 60a, a doctor information DB 60b, and a nurse information DB 60c. In the medical facility, a local area network (LAN) connected to the management server 60 is laid. The portable terminal device 50 can be connected to a LAN by wire or wirelessly, and can acquire patient information, doctor information, and nurse information from the management server 60. Here, the patient information includes treatment history of each patient, medication information, identification information of doctors and nurses in charge of the patient, and the like.

  Patient identification information is printed on the patient wristband 10 and the medicine tag as an identification code such as a barcode or a two-dimensional code. Similarly, doctor identification information is printed on the doctor tag 30 as an identification code, and nurse identification information is printed on the nurse tag 40 as an identification code. These identification codes may be printed on the RFID label, or directly on other areas such as the surface of the wristband. The patient wristband 10 is attached to a patient's arm, leg or the like by a band clip (not shown).

  For patients who are likely to be affected by the magnetic field or electromagnetic field generated by the transponder, such as a patient with a cardiac pacemaker, the portable terminal device 50 is provided with a wristband for the patient in order to avoid damage caused by the magnetic field or electromagnetic field. The information is acquired by optically reading the identification code printed on the card 10 or the medicine tag.

  Therefore, for patients who may be affected by the magnetic field generated by the transponder or the electromagnetic field, a bar code or a two-dimensional code to which information indicating that the transponder of the patient wristband 10 cannot be used is added. The bed tag 80 on which the identification code is printed is previously attached to the patient bed. As a result, wireless communication enables patients who can use the transponder to perform accurate and speedy treatment and management, while patients with a cardiac pacemaker can use the transponder. In addition, accurate treatment and management can be performed by optically reading the identification code. Even when the transponder fails, accurate treatment and management are possible by optically reading the identification code.

  FIG. 2 shows a configuration example of an RFID label used as a transponder in this embodiment. Here, the RFID label 11 will be described as an example, but the same applies to other RFID labels. As shown in FIG. 2, the RFID label 11 includes a radio communication unit 12 that transmits and receives a signal representing information such as a patient identification code by generating a radio frequency (RF) magnetic field or an electromagnetic field; A control unit 13 that controls transmission and reception of RF signals and a memory 14 that stores data such as patient identification information are included. The energy for operating the RFID label 11 is supplied as an RF signal from the external portable terminal device 50.

  FIG. 3 shows a configuration example of a mobile terminal device used as a reader in this embodiment. As shown in FIG. 3, the portable terminal device 50 optically transmits a wireless communication unit 51 for supplying energy to an RFID label as a transponder and performing wireless communication with the RFID label, and a printed identification code. A reading unit 52 for reading, an input unit 53 for inputting various commands, a display unit 54 for displaying an image or outputting sound, and performing various determinations by acquiring information from an RFID label, If there is an error, a control unit 55 that controls the display unit 54 to issue a warning, a memory 56 that stores patient information, and an interface 57 that is used when connecting the portable terminal device 50 to the LAN of a medical facility. And have.

  Information regarding whether or not the RFID label 11 of the patient wristband 10 is available for the patient is optically read by the reading unit 52 of the portable terminal device 50 from the bed tag 80 attached to the patient's bed. . Based on the information read by the reading unit 52, the control unit 55 controls the wireless communication unit 51 to suppress wireless communication when the RFID label 11 of the patient wristband 10 is not available.

  The portable terminal device 50 includes patient identification information received from the RFID label 11 of the patient wristband 10 or patient identification information optically read from the patient wristband 10 and patient identification information received from the RFID label 21 of the medicine tag. Or, by comparing with the patient identification information optically read from the RFID label 21 of the medicine tag, it is determined whether or not the medicine to which the medicine tag is attached is a medicine prepared for the patient. To do.

  The memory 56 of the portable terminal device 50 stores correspondence information between a patient and a doctor or nurse who is in charge of the patient as patient information. The portable terminal device 50 includes the patient identification information received from the RFID label 11 of the patient wristband 10 or the patient identification information optically read from the patient wristband 10 and the doctor identification received from the RFID label 31 of the doctor tag 30. Based on the information or the doctor identification information optically read from the doctor tag 30, it is determined whether or not the doctor who attached the doctor tag 30 is a doctor in charge of the patient.

  Similarly, the mobile terminal device 50 receives the patient identification information received from the RFID label 11 of the patient wristband 10 or the patient identification information optically read from the patient wristband 10 and the RFID label 41 of the nurse tag 40. Based on the received nurse identification information or the nurse identification information optically read from the nurse tag 40, it is determined whether or not the nurse wearing the nurse tag 40 is a nurse in charge of the patient. judge.

  Next, the operation of the medical error prevention system according to the present embodiment will be described with reference to FIGS. FIG. 4 is a flowchart showing an example of the operation of the medical malpractice prevention system shown in FIG. Here, a nurse will be described as an example of a medical worker. A two-dimensional code is used as the printed identification code.

  In step S <b> 1, the mobile terminal device 50 attempts to receive the nurse identification information from the RFID label 41 of the nurse tag 40 attached by the nurse through the wireless communication unit 51. In step S <b> 2, it is determined whether the mobile terminal device 50 has received nurse identification information. For example, when the nurse identification information cannot be received due to the reason that the RFID label is damaged due to static electricity or the like, the process proceeds to step S <b> 3, and the portable terminal device 50 causes the reading unit 52 to move the nurse to the nurse. The two-dimensional code of the bill 40 is optically read. Furthermore, in step S4, the portable terminal device 50 registers the nurse identification information and identifies the nurse based on the nurse identification information.

  In step S5, the portable terminal device 50 optically reads the two-dimensional code of the bed tag 80 attached to a patient's bed. In step S <b> 6, the mobile terminal device 50 determines whether it is possible to perform wireless communication using the RFID for the patient based on the read information. If the RFID can be used, the process proceeds to step S7. If the RFID cannot be used, the process proceeds to step S15.

  In step S <b> 7, the non-contact reading mode is set in the mobile terminal device 50, and thereafter patient identification information is received by the wireless communication unit 51. In step S8, the portable terminal device 50 tries to receive patient identification information from the RFID label 11 of the patient wristband 10 attached to the patient. In step S9, it is determined whether the portable terminal device 50 has received the patient identification information. If the patient identification information can be received, the process proceeds to step S10. If the patient identification information cannot be received, the process proceeds to step S15, and the two-dimensional code reading mode described later is set. .

  In step S10, the mobile terminal device 50 displays patient information such as treatment history and medication information based on the received patient identification information. In step S <b> 11, the mobile terminal device 50 receives patient identification information from the RFID label 21 of the medicine tag attached to the medicine to be administered to the patient. Thereafter, the process proceeds to step S12.

  On the other hand, in step S <b> 15, the two-dimensional code reading mode is set in the portable terminal device 50, and thereafter patient identification information is read by the reading unit 52. In step S <b> 16, the mobile terminal device 50 acquires patient identification information by optically reading the two-dimensional code of the patient wristband 10. In step S <b> 17, the mobile terminal device 50 displays patient information such as treatment history and medication information based on the patient identification information. In step S18, the portable terminal device 50 optically reads the two-dimensional code of the medicine tag attached to the medicine to be administered to the patient. Thereafter, the process proceeds to step S12.

  In step S12, the portable terminal device 50 determines whether or not the patient identification information of the patient wristband 10 matches the patient identification information of the medicine tag, that is, whether or not the patient corresponds to the medicine. If the patient does not correspond to the medicine, in step S19, the mobile terminal device 50 displays an error with an image and / or sound. On the other hand, if the patient corresponds to the medicine, the portable terminal device 50 stores the medication information in step S13, updates the data in the management server 60 in step S14, and ends.

  INDUSTRIAL APPLICABILITY The present invention can be used in a system for preventing medical errors in surgery, examination, medication, etc. by assisting medical practices performed by medical personnel such as doctors and nurses in medical facilities.

It is a block diagram which shows the structure of the medical malpractice prevention system which concerns on one Embodiment of this invention. It is a block diagram which shows the structural example of the RFID label used as a transponder in one Embodiment of this invention. It is a block diagram which shows the structural example of the portable terminal device used as a reader in one Embodiment of this invention. It is a flowchart which shows an example of operation | movement of the medical malpractice prevention system shown in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Patient wristband 11, 21, 31, 41 RFID label 12 Radio | wireless communication part 13 Control part 14 Memory 20 Drug container 30 Doctor's card 40 Nurse's card 50 Portable terminal device 51 Wireless communication part 52 Reading part 53 Input part 54 Display part 55 Control Unit 56 Memory 57 Interface 60 Management Server 60a Patient Information DB
60b Doctor Information DB
60c Nurse Information DB
70 Printing device

Claims (8)

A system for storing medical information and preventing medical errors in a medical facility using a transponder capable of wireless communication when externally supplied with energy,
A patient wristband having a transponder capable of transmitting patient identification information and printed with patient identification information;
A drug tag having a transponder capable of transmitting patient identification information and printed with patient identification information;
Wireless communication means for supplying energy to the transponder to perform wireless communication with the transponder and reading means for optically reading printed information, and the patient list by the wireless communication means Patient identification information received from a band transponder or patient identification information optically read from the patient wristband by the reading means, and patient identification information received from the transponder of the medicine tag by the wireless communication means or the reading means A portable terminal device for determining whether or not the medicine attached with the medicine tag is a medicine prepared for the patient based on the patient identification information optically read from the medicine tag by
The medical malpractice prevention system characterized by comprising. Further comprising a bed tag printed with information about whether the patient wristband transponder is available for the patient;
When the portable terminal device optically reads information about whether or not the patient wristband transponder is available from the bed tag, and the patient wristband transponder is not available 2. The medical malpractice prevention system according to claim 1, wherein the wireless communication means is controlled to suppress wireless communication. A medical worker tag having a transponder capable of transmitting medical worker identification information and having the medical worker identification information printed thereon;
The portable terminal device attaches the medical worker tag based on the medical worker identification information received from the transponder of the medical worker tag or the medical worker identification information optically read from the medical worker tag. 3. The medical malpractice prevention system according to claim 1, wherein it is determined whether or not a medical worker who is in charge is a medical worker in charge of the patient. The medical malpractice prevention system according to any one of claims 1 to 3, wherein the transponder is an RFID (Radio Frequency Identification) label in which patient identification information or medical worker identification information is stored and printed. A management server for managing a plurality of the mobile terminal devices;
A printing device for printing on the RFID label under the control of the management server;
The medical malpractice prevention system according to claim 4, further comprising:   6. The patient identification information printed on the patient wristband and the medicine tag and the medical worker identification information printed on the medical staff tag are two-dimensional codes. The medical malpractice prevention system of any one of these. A portable terminal device used in a system for storing medical information and preventing medical errors in a medical facility using a transponder capable of wireless communication when energy is supplied from the outside,
A wireless communication means for supplying energy to the transponder provided on the patient wristband on which the patient identification information is printed and the medicine tag on which the patient identification information is printed to perform wireless communication with the transponder;
Reading means for optically reading the printed patient identification information;
Patient identification information received from the transponder of the patient wristband by the wireless communication means or patient identification information optically read from the patient wristband by the reading means, and from the transponder of the medicine tag by the wireless communication means Whether or not the medicine attached with the medicine tag is a medicine prepared for the patient based on the received patient identification information or the patient identification information optically read from the medicine tag by the reading means Control means for determining
A portable terminal device comprising: The control means is based on information optically read by the reading means from a bed tag on which information on whether or not a transponder of the patient wristband is available for the patient is used. 8. The portable terminal device according to claim 7, wherein when the wristband transponder is not available, the wireless communication unit is controlled to suppress wireless communication.

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