JP2006209583A - System for preventing nosocomial infection - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a system for preventing nosocomial infection that enables a medical worker to know the infection information of a patient who has contracted an infectious disease. <P>SOLUTION: The system includes: a nosocomial infection information server 1 for storing information with respect to the infection in a hospital; a LAN in the hospital that communicates the stored nosocomial infection information; a wireless tag, which is attached to the entrance of the hospital room for an infection patient, a sickbed, and at least a portion of the wearing of the patient, to transmit each location by radio; a wireless tag reader 5 for reading the identification information of the wireless tag; and a mobile terminal 3 for alarming the nosocomial infection information if both positional relationship is achieved such that the radio wave from the wireless tag is recognized by the wireless tag reader 5. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a nosocomial infection prevention system for diagnosing the state of infection with microorganisms such as various bacteria in a hospital.

A conventional nosocomial infection state diagnosis method is described in Patent Document 1. The contents described in Patent Document 1 are for in-patients in hospitals and in-hospital workers such as doctors and nurses, inspecting the infection status of various bacteria, and acquiring the bacterial species data of the carriers in the bacterial species data file Then, the in-hospital distribution data of the bacteria-type carriers is created from the bacteria-type data in the bacteria-type data file and the resident position data of the carriers, and the in-hospital distribution of the indicated bacteria-type carriers in the in-hospital distribution data is visible. This is output, and the in-hospital distribution of the bacteria type carriers is diagnosed based on the output result. As a result, it is possible to accurately grasp the infection situation in one hospital.
Japanese Patent Laid-Open No. 7-79929

  However, in Patent Document 1, since medical staff such as nurses and doctors can not know information about infection unless they examine the infection status in the hospital toward the terminal, medical staff who do not know the information, There is a risk of being infected by force majeure, and it is not considered to prevent such infection.

  The objective of this invention is providing the nosocomial infection prevention system which can make a medical worker know the infection information of the patient who suffers from an infectious disease.

  The purpose is to have a hospital infection information server for storing information relating to hospital infections, a communication means for communicating the stored hospital infection information, at least one place of an entrance of a patient room, a bed, and a patient's attachment. The wireless tag that is attached to the wireless tag and wirelessly transmits the location thereof, the reader for reading the identification information of the wireless tag, and the positional relationship between the reader and the radio wave from the wireless tag is recognized by the reader. This is achieved by providing a means for notifying nosocomial infection information.

  The hospital infection information may further include route treatment association means for associating treatments related to the infection route by infection routes including air infection and contact infection.

  ADVANTAGE OF THE INVENTION According to this invention, the medical worker can be made known about the infection information of the patient who suffered from the infectious disease.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 shows a configuration diagram of a system according to an embodiment of the present invention.

  The nosocomial infection prevention system includes a nosocomial infection information server 1 that stores information on nosocomial infections, a portable terminal 3 for displaying information in the nosocomial infection information server, and a wireless tag attached to the portable terminal (see FIG. 2). ), A wireless tag reader 5 for reading identification information (ID) of the wireless tag, a hospital LAN (Local Area Network) and a wireless LAN access point 2 that enable information communication between the hospital infection information server, the portable terminal, and the wireless tag reader And. The hospital infection information server 1 stores information on what kind of infectious disease each patient in which sick bed has.

  FIG. 2 shows a mobile terminal 3 used in the present embodiment. The portable terminal 3 is provided with a display screen 3A for displaying nosocomial infection information, a speaker 3B for outputting nosocomial infection information as audio information, and the above-described wireless tag 4. A unique ID is assigned to the wireless tag 4 attached to the portable terminal 3, and the portable terminal 3 can be identified by reading the ID of the wireless tag 4.

FIG. 3 shows the entrance of a hospital room to which the wireless tag reader 5 is attached. The correspondence data between the wireless tag reader 5 and the room number is stored in the hospital infection information server 1 in advance.
A wireless tag reader 5 having a communication distance of about 1 m is used. As a result, when a medical worker with a mobile terminal approaches the entrance of a hospital room and tries to open the door 7 of the hospital room, the mobile terminal 3 can read which mobile terminal 3 by reading the ID of the wireless tag 4 attached to the mobile terminal 3. (To be precise, it is possible to know which hospital room the medical worker with the terminal approached.

  In-hospital infection information server 1 stores information on which hospital room the infected patient is in, so it is possible to determine whether there is an infected patient in the room where the mobile terminal 3 approaches. Become. As a result of the determination, if the portable terminal 3 approaches the entrance of the hospital room where the infected patient is located, that fact is displayed on the screen 3A of the portable terminal 3 (see FIG. 4), or a sound is emitted from the speaker 3B (see FIG. 5). By referring), it is possible to call attention to a medical worker having a portable terminal.

  FIG. 6 shows a state when the mobile terminal 3 approaches a hospital room where an infected patient is present. It is assumed that there is no infected patient in the hospital room where the wireless tag readers 5A to 5C are attached to the entrance, and there is an infected patient in the hospital room where the wireless tag reader 5D is attached. When the mobile terminal 3 approaches the wireless tag readers 5A to 5C, nothing is displayed on the screen of the mobile terminal 3, but when the mobile terminal 3 approaches the wireless tag reader 5D, an alert “Infection attention” is displayed on the mobile terminal 3 screen. indicate.

  The above flowchart is shown in FIG. In step 101, the wireless tag reader 5 attached to a specific hospital room detects an arbitrary wireless tag 4.

  In step 102, it is determined whether or not there is an infectious disease patient in the hospital room to which the wireless tag reader 5 that has detected the wireless tag 4 is attached. If not, the process returns to step 101. If determined to be present, the process proceeds to step 103. .

In step 103, the mobile terminal 3 is identified from the detected ID of the wireless tag 4.
In step 104, the identified mobile terminal 3 is accessed via a wireless LAN.
In step 105, a warning is displayed on the screen of the accessed mobile terminal 3 or a call for attention is made from the speaker to inform the medical staff who is the user of the mobile terminal 3 that attention should be paid to infection.

  A second embodiment will be described with reference to FIG. In this embodiment, the wireless tag reader 5 is attached to each hospital bed. The wireless tag reader 5 and the bed number are associated with each other in advance, and the correspondence information is stored in the hospital infection information server together with information indicating which bed is infected. The wireless tag reader 5 uses a communication distance of about 50 cm. As in the case of the first embodiment, when the portable terminal 3 approaches the hospital bed where the infected patient is present, a message for calling attention is displayed on the screen.

  The above flowchart is shown in FIG. In step 201, the wireless tag reader 5 attached to a specific bed detects an arbitrary wireless tag 4. In step 202, it is determined whether or not there is an infectious patient in the hospital bed to which the wireless tag reader 5 that has detected the wireless tag 4 is attached. If not, the process returns to step 201; In step 203, the mobile terminal 3 is identified from the detected ID of the wireless tag 4. In step 204, the identified mobile terminal 3 is accessed via a wireless LAN. In step 205, a warning is displayed on the screen of the accessed mobile terminal 3. By displaying the caution, the health care worker who is the user of the mobile terminal 3 informs that attention should be paid to the infection before touching the infected patient.

  A third embodiment will be described. In the first and second embodiments, a message is displayed so as to be alerted whenever a patient is approaching a hospital room or bed where an infected patient is located. However, excessive alerting hinders medical work. Sometimes it becomes.

  In addition, there are various types of infectious diseases, such as those that can be transmitted just by approaching them, and those that do not infect if they do not touch body fluids. Therefore, in the present embodiment, it is determined whether or not to infect from the type of infectious disease and the type of treatment performed by the medical staff on the corresponding patient, and alert is given only when there is a risk of infection. The above flowchart is shown in FIG.

In step 301, the wireless tag reader 5 attached to a specific hospital bed detects an arbitrary wireless tag 4.
In step 302, it is determined whether or not there is an infectious patient in the hospital bed to which the wireless tag reader 5 that has detected the wireless tag 4 is attached. If not, the process returns to step 301. If it is determined that there is an infectious disease, the process proceeds to step 303.
In step 303, the medical staff who is the user of the portable terminal 3 lists the treatments to be performed on the corresponding patient.

In step 304, it is determined whether or not the patient is infected when the treatment listed in step 303 is performed. If there is no risk of infection, the process returns to step 301. Otherwise, the process proceeds to step 305.
In step 305, the mobile terminal 3 is identified from the detected ID of the wireless tag 4.
In step 306, the identified mobile terminal 3 is accessed via a wireless LAN.
In step 307, a warning is displayed on the screen of the accessed mobile terminal 3.

  In the first to third embodiments, the above description is valid even if the wireless tag 4 and the wireless tag reader 5 are attached in the opposite manner.

A fourth embodiment will be described. In the present embodiment, the wireless tag 4 is attached to the patient himself or a patient's always portable item (such as a wristband), and the wireless tag reader 5 is attached to the portable terminal 3 in advance.
The wireless tag 4 and the patient are associated with each other in advance, and the correspondence information is stored in a hospital infection information server together with information indicating which patient has an infectious disease.
The wireless tag reader 5 uses a communication distance of about 50 cm. As in the case of the first embodiment, when the mobile terminal 3 approaches an infected patient, a message that calls attention is displayed on the screen to alert the medical staff who is the user of the mobile terminal 3.

A fifth embodiment will be described. In the present embodiment, the wireless tag 4 is attached to the patient himself or a patient's always portable item (wristband or the like), and the wireless tag reader 5 is attached to a patient room fixed display device.
The wireless tag reader 5 uses an object with a communication distance of about 50 cm, and a fixed hospital room display device is attached near the entrance of the hospital room. The wireless tag 4 and the patient are associated with each other in advance, and the correspondence information is stored in a hospital infection information server together with information indicating which patient has an infectious disease. When an infectious disease patient approaches a display device installed near the entrance to the hospital room, the infectious disease patient is alerted by displaying the fact that it is an infectious disease. Can be prevented from spreading.
According to the above-described embodiment, it is possible to prevent a medical worker from unintentionally infecting, causing a patient or an infected person's belongings to become an infection source, or preventing an infectious patient from unintentionally spreading an infection. it can.

The block diagram which shows the structural example of the hospital infection prevention system of this invention. FIG. 2 is a block diagram showing an example of the mobile terminal in FIG. FIG. 2 is a configuration diagram showing a door of a hospital room in which the wireless tag reader of FIG. 1 is installed. An example of a message displayed on a mobile terminal screen to call attention to a healthcare professional. An example in which a voice message is issued from a speaker of a mobile terminal to alert a medical worker. An example of displaying a message on a mobile terminal when a health care worker approaches an infected person's hospital room. 6 is a flowchart for explaining the operation of the first embodiment. An example of displaying a message on a mobile terminal when a medical worker approaches the bed of an infected person. 9 is a flowchart for explaining the operation of the second embodiment. 10 is a flowchart for explaining the operation of the third embodiment.

Explanation of symbols

  1 ... Hospital infection information server, 3 ... Mobile terminal, 5 ... Wireless tag reader

Claims (2)

  A hospital infection information server for storing information relating to hospital infections, a communication means for communicating the stored hospital infection information, an entrance to a hospital room of an infectious patient, a hospital bed, and a patient's attachment, If the wireless tag that wirelessly transmits each location, a reader for reading identification information of the wireless tag, and a radio wave from the wireless tag are recognized by the reader, the hospital is in the hospital. A hospital infection prevention system comprising: means for informing infection information;   The hospital infection prevention system according to claim 1, further comprising route treatment association means for associating the treatment associated with the infection route by the infection route including the air infection and contact infection. .

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