JP2005322096A - Medical equipment maintenance method and system, and terminal and server used therefor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a medical equipment maintenance method and the like capable of acquiring an analytical result under no communication with a data center or service center side. <P>SOLUTION: This medical equipment maintenance method is provided with a step for recording medical equipment information as to a condition of a medical equipment 11 required for maintenance, in a terminal for medical care of the medical equipment 11, a step for transmitting to a server 24 a request signal for requesting the newest totaling program and/or the newest inspection program, a step for transmitting the retrieved program to the terminal for the medical care, in the server, and a step for collecting the medical equipment information, based on the newest totalized program, in the terminal for the medical care, and for analyzing the collected medical equipment information to self-diagnose the medical equipment, based on the newest totaling program. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a medical device maintenance method and system for remotely performing medical device maintenance. Furthermore, the present invention relates to a medical terminal and server used in such a medical device maintenance system.

  Conventionally, in medical facilities such as medical practitioners and hospitals, medical imaging devices using radiation (X-rays, α-rays, β-rays, γ-rays, electron beams, ultraviolet rays, etc.), ultrasound, MR (magnetic resonance), etc. In use, medical images have been taken. Such medical images need to be stored in order to know changes in a patient's medical condition, and are required to be stored for a predetermined period by law. Therefore, it is necessary to store a large amount of medical images in a medical facility. Conventionally, since a film or the like on which a medical image is taken is stored, securing a storage space for medical images, management work, and search work have been a heavy burden on medical facilities.

  On the other hand, in recent years, digitalization of medical image capturing apparatuses has progressed, and medical images are recorded as image data on an optical disk, a magnetic disk, or the like, thereby reducing storage space for medical images, management work, and search work. Can be saved. However, since the amount of image data representing one medical image is enormous, a considerable number of optical discs are required to store the image data for a predetermined period even if they are recorded on the optical disc.

  In order to solve such problems, the following Patent Document 1 significantly reduces the space for storing medical image data in a medical facility, and does not require a large amount of money, and stores medical data with a simple operation. A centralized medical image management system that enables management and management is disclosed. In this medical image centralized management system, image data or the like obtained by converting a medical image taken at a medical facility into a digital signal is recorded and stored in a hard disk provided in the client terminal. The client terminal connects to the image database server provided in the provider via a communication line, and transmits and receives image data and the like and searches for image data stored in the image database server on the condition of password verification. Do.

  According to this medical image centralized management system, it is possible to store medical image data possessed by a medical facility in an image database server installed at a location distant from the medical facility. Therefore, it is not necessary to store a recording medium on which recording is recorded, and the space for that purpose and the cost for securing the space can be reduced. Further, by searching the image data stored in the image database server, the image represented by the image data stored in the image database server can be referred to at the client terminal.

  On the other hand, in medical devices such as medical imaging devices, it is necessary to periodically inspect and maintain medical devices in order to prevent problems caused by parts deteriorated by photographing. However, since the timing of medical device inspection depends on the frequency of use of the medical device, count the number of times the medical device has been used, etc., and ask the service company to check and maintain the medical device based on the number of times of use. Call a service person. Therefore, the administrator of the medical device needs to monitor the number of times of use and the like, which is complicated.

  In addition, even if an accident occurs in a medical device, it is necessary to call a service person to inspect and maintain the medical device, and in this case, it takes time to identify the failure point. Therefore, there is a problem that it takes a lot of time to restore the medical image photographing apparatus.

  Therefore, the result of the self-diagnosis performed in the medical imaging device is sent to the maintenance server installed in the service center located away from the medical facility, and the result of the self-diagnosis is checked by checking in the service center. A maintenance support system capable of performing the above has been realized.

  As a related technique, the following Patent Document 2 discloses that when there is a failure such as a failure of the MRI apparatus, the necessity of newly investigating the apparatus configuration is reduced as much as possible, parts are dispatched quickly, and repairs are performed quickly. A maintenance support apparatus capable of performing the above is disclosed. This maintenance support device is a storage device that centrally stores data automatically measured by the MRI apparatus such as various settings of the MRI apparatus and the operation state of each part, and manually input data such as inspection and maintenance. These two types of data can be obtained smoothly. This makes it possible to repair the failure at an early stage or prevent the failure in advance. However, in order to view the analysis result, the operator of the medical institution transmits a result viewing request to the maintenance support apparatus via the communication line, so that the analysis result and the MRI apparatus are transmitted from the maintenance support apparatus to the MRI apparatus via the communication line. When it is necessary to return the analysis status and the communication line is disconnected, the medical institution cannot solve the problem.

In Patent Document 3 below, a medical data survey and analysis system that automatically surveys data of a plurality of medical institutions as to which name of an indication is used for a medical product and how much is administered per day. Is disclosed. This medical data survey and analysis system is configured by enabling data transmission and reception between a medical data recording device of a medical institution and a survey analysis device of a data management center via a communication network. When a survey analysis device receives a survey request from a customer computer via a network, what kind of data should be collected for that purpose? First, the contents of the request are analyzed, and multiple types of data are collected from the medical data recording device Select a tabulation program suitable for the survey. The selected tabulation program is sent to a medical data recording device placed at a plurality of medical institutions, and data is collected. In this way, the collection of data for the survey is automated by the tabulation program, so that the survey can be carried out in a short time without burdening the doctor unlike the conventional paper survey. However, Patent Document 3 does not describe maintenance of a medical institution.
JP 2002-24394 A (first page, FIG. 1) JP 2003-260039 A (first page, FIG. 1) JP 2003-316901 A (pages 1, 4, 6 and FIG. 1)

  Therefore, in view of the above points, an object of the present invention is to provide a medical device maintenance method and system capable of obtaining an analysis result without performing communication with a data center or a service center. Furthermore, an object of this invention is to provide the medical terminal and server used in such a medical device maintenance system.

  In order to solve the above problems, a medical device maintenance method according to the present invention includes a medical terminal that performs maintenance in a medical device installed in a medical facility and at least one server installed in a data center via a network. A medical device maintenance method used in a medical device maintenance system configured by connecting the medical device, the step (a) of recording medical device information related to the state of the medical device necessary for the maintenance in the medical terminal; Includes information identifying medical devices to request the latest aggregation program to collect device information and / or the latest inspection program to analyze the collected medical device information and perform self-diagnosis Transmitting a request signal from the medical terminal to the server (b); The latest aggregation program and / or latest inspection program for the medical device is searched based on the information specifying the medical device included in the request signal, and the searched program is still transmitted to the medical device. If not, the step (c) of transmitting the program from the server to the medical terminal and the medical terminal recording the program when the latest totaling program and / or the latest inspection program are received from the server. The medical device information is collected on the basis of the step (d) for recording on the medium and the latest tabulation program recorded on the recording medium, and is collected on the basis of the latest tabulation program recorded on the recording medium. Analyzing the medical device information and performing a self-diagnosis of the medical device (e).

  In addition, the medical device maintenance system according to the present invention connects a medical terminal that performs maintenance in a medical device installed in a medical facility and at least one server installed in a data center via a network. A medical device maintenance system configured to record medical device information related to the state of a medical device necessary for maintenance and collect the latest medical device information and / or collected medical device information In order to request the latest inspection program for performing self-diagnosis by analyzing the request, a request signal including information specifying the medical device is transmitted to the server, and the latest aggregation program and / or the latest inspection program is transmitted from the server. When the program is received, the program is recorded on the recording medium and the latest recorded on the recording medium is recorded. A medical terminal that collects medical device information based on a counting program and analyzes the collected medical device information based on the latest counting program recorded in the recording medium to perform a self-diagnosis of the medical device; Based on the information specifying the medical device included in the request signal, the latest aggregation program and / or the latest inspection program for the medical device is searched, and the searched program is still transmitted to the medical device. If not, at least one server for transmitting the program from the server to the medical terminal.

  Furthermore, a medical terminal according to the present invention is a medical terminal that is connected to a server installed in a data center via a network and performs maintenance on a medical device installed in a medical facility. The latest control program for collecting the medical device information related to the control means to control and the state of the medical device necessary for maintenance, and / or the latest for performing self-diagnosis by analyzing the collected medical device information In order to request an inspection program, a request signal including information for specifying a medical device is transmitted to the server, and when the latest counting program and / or the latest inspection program is received from the server, the program is recorded on a recording medium. Collecting medical device information based on the program requesting means and the latest counting program recorded on the recording medium To, based on the latest inspection program recorded on a recording medium, comprising a maintenance unit that performs self-diagnosis of the medical instrument to analyze the collected medical device information.

  In addition, the server according to the present invention is at least one server installed in a data center and connected to a plurality of medical devices respectively installed in a plurality of medical facilities via a network. A plurality of aggregation programs for collecting medical device information relating to a state, and a program management means for recording and managing a plurality of inspection programs for analyzing the collected medical device information and performing self-diagnosis on a recording medium Receiving control means for receiving a request signal for requesting the latest counting program and / or latest inspection program from any medical device, and when the receiving control means receives the request signal from any medical device, Based on information identifying the medical device included in the request signal, the latest aggregation program and / or the latest inspection for the medical device Searching the recording medium program, retrieved program if they are not yet sent to the medical device comprises a transmission control means for transmitting the program to the medical device.

  According to the present invention, a data center or service is obtained by analyzing collected medical device information and performing self-diagnosis of the medical device based on the latest counting program and / or the latest inspection program supplied from the server. Analysis results can be obtained without communication with the center.

Hereinafter, the best mode for carrying out the present invention will be described in detail with reference to the drawings. The same constituent elements are denoted by the same reference numerals, and the description thereof is omitted.
FIG. 1 is a schematic diagram showing a configuration of a medical device maintenance system according to an embodiment of the present invention. As shown in FIG. 1, in this medical equipment maintenance system, a plurality of medical facilities 10 such as clinics and hospitals are connected to a data center 20 via a dedicated line, a public telephone switching network (PSTN), or a network 30 such as the Internet. It is comprised by connecting to.

  As an example, each medical facility 10 includes a medical device 11 for performing radiography, a medical device 12 for performing MRI imaging, a firewall (FW) 13 for preventing unauthorized access, and the like in a local area. They are connected via a network (LAN). These medical devices record information (medical device information) relating to the state of the medical device, and collect the recorded medical device information based on a tabulation program supplied from the data center 20. Medical device information includes, for example, input setting information, information such as patient age, operation logs (history information) such as photographing or printing on film, operation information such as various event logs, error logs and warning logs Error information and the like. In addition, these medical devices can perform self-diagnosis by analyzing the counting results based on an inspection program supplied from the data center 20.

  In the data center 20, a recording medium such as a hard disk in which an authentication server 21 that performs authentication for access from the medical device 11 or 12 and an authentication database (DB) 21a that stores user information necessary for authentication are recorded. And a firewall (FW) 22 for preventing unauthorized access, a database server 23 for managing medical data transmitted from the medical device 11 or 12, and a medical database (DB) 23a for storing medical data. And a recording medium such as a hard disk. Note that the authentication server 21 may be installed outside the data center 20.

  Further, the data center 20 receives and manages aggregation result data representing the aggregation results used for maintenance from a plurality of medical devices, and returns various aggregation programs and inspection programs returned to the medical device that has transmitted the aggregation result data. Installed in each medical facility, an FTP (file transfer protocol) server 24 for managing the data, a recording medium such as a hard disk in which a totaling result database (DB) 24a for accumulating the totaling result data is recorded A recording medium such as a hard disk in which equipment management database (DB) 24b for storing equipment management information relating to medical equipment is recorded, and a hard disk in which program database (DB) 24c for storing various counting programs and inspection programs are recorded And other recording media.

  Further, the data center 20 performs analysis to generate the latest aggregation program and inspection program based on the aggregation result data stored in the aggregation result database 24a and the facility management information stored in the facility management database 24b. A server 25 is installed. The analysis server 25 may generate one of the aggregation program and the inspection program, or the FTP server 24 may have the function of the analysis server 25.

  In the present embodiment, the medical device 11 or 12 of the medical facility 10 downloads the tabulation program and the inspection program stored in the program database 24c, tabulates information based on the tabulation program, and based on the inspection program. Self-diagnosis is performed by analyzing the result data. Further, the analysis server 25 of the data center 20 analyzes the aggregation result data transmitted from the medical device 11 or 12 based on the facility management information regarding the medical device installed in each medical facility, and the latest aggregation program and By generating the inspection program, self-diagnosis suitable for each medical device can be performed, and the accuracy of self-diagnosis can be further increased.

  Next, as an example of a medical device, a medical device (radiation imaging apparatus) 11 for performing radiation imaging will be described with reference to FIG. As shown in FIG. 2, the medical device 11 includes an imaging device 40 that records a radiation image on the recording sheet 1 by irradiating the subject with radiation and performs imaging, a radiation image recorded on the recording sheet 1, etc. The image reading device 50 that photoelectrically reads the information of the image and generates image data and the imaging device 40 are controlled, and medical data such as image data representing a medical image is input from the image reading device 50 and transferred to the data center 20. A medical terminal 60 and a printer 14 for printing out a medical image on a film or the like.

  The recording sheet 1 is coated with a photostimulable phosphor material, and information on a subject is recorded by irradiation with radiation. A stimulable phosphor (storable phosphor) is a part of its radiation energy that is stored when irradiated with radiation. After that, when it is irradiated with excitation light such as visible light, it emits light according to the stored energy. It is a substance.

  The imaging apparatus 40 includes an imaging position raising / lowering mechanism 41 that moves the position of the recording sheet 1 set at a predetermined position up and down and finely adjusts the imaging position of the subject, and a foot of the subject. An imaging table 42 for determining the position, a radiation generation unit 43 for irradiating the subject with radiation, and an interface 44 to which a control signal is input from the medical terminal 60 are included.

  The image reading device 50 scans the surface of the recording sheet 1 set at a predetermined position by a light beam emitted from the laser light source 51 and passed through the light scanning unit 52. By this scanning, a light beam is irradiated onto the recording sheet 1, and an amount of stimulated emission light corresponding to the radiation image information accumulated and recorded is generated from the portion irradiated with the light beam. The stimulated emission light is photoelectrically detected by a photomultiplier (photomultiplier tube) 53, output as an analog signal, amplified by an amplifier 54, and digitized by an A / D converter 55. Further, the barcode attached to the cassette for storing the recording sheet 1 is read by the barcode reader 56, and the read barcode information is used as image supplementary information corresponding to patient information and examination information. The image data and the image supplementary information generated in this way are transmitted from the output unit 57 to the medical terminal 60 via the LAN.

  The medical terminal 60 controls the imaging device 40 in accordance with an instruction from the operator, and inputs image data from the image reading device 50 and temporarily stores it. In the medical terminal 60, image processing can be performed on the image data, and a diagnostic image can be displayed on a display or the like based on the image data. However, since the amount of image data accumulated every day is enormous, it is not stored for a long time in a medical facility, but is transferred to a data center located away from the medical facility and stored there. . Thereby, in the medical facility, the space for storing the recording medium on which the medical data is recorded and the cost for securing the space can be reduced.

  FIG. 3 is a block diagram illustrating a configuration of a medical terminal installed in a medical facility. The medical terminal 60 includes an input unit 61 such as a keyboard and a mouse used for inputting various instructions and the like, and a CRT or LCD that displays a medical image or the like represented by image data input from the image reading device 50 A display unit 62 such as a display, a bar code reader 63 that reads a bar code attached to a cassette that stores the recording sheet 1, and an input unit 61 and a display unit 62 are connected via an interface 70, and are connected via an interface 71. A central processing unit (hereinafter referred to as CPU) 64 connected to the image pickup device, a memory 65, a hard disk 66, a hard disk control unit 67 for controlling writing and reading of data in the hard disk 66, and writing of data to a DVD And a DVD drive 68 for reading and a network for connecting to the LAN And an over-click interface 69. These portions 63 to 69 are connected to each other via a bus line.

  Based on the barcode information read from the cassette in advance using the barcode reader 63 before imaging, the medical image read by the image reading device 50 (FIG. 2) and the patient information stored in the medical terminal 60 are stored. And the inspection information are associated with each other.

  The memory 65 temporarily stores medical data such as image data input from the image reading device 50. The hard disk 66 records the collected medical device information, past inspection result data, and the aggregation program and inspection program supplied from the FTP server 64. The hard disk 66 stores a program for causing the CPU 64 to perform basic operations. Here, the tabulation program and the inspection program are programs that are updated to improve the accuracy of self-diagnosis, and the program that causes the CPU 64 to perform basic operations is a basic program that is not updated. In addition to the built-in hard disk 66, an external hard disk, flexible disk, MO, MT, RAM, CD-ROM, DVD-ROM, or the like can be used as a recording medium for recording the program.

Next, functional blocks 64a to 64i configured by the CPU 64 and software (program) will be described.
The imaging control unit 64 a controls the imaging device 40 via the interface 71 so as to start the examination based on the patient attribute information and examination attribute information stored in the memory 65.

  The image processing unit 64 b performs necessary image processing on the image data received from the image reading device 50 and generates display data to be displayed on the display unit 62. Further, the image processing unit 64b displays the result on the display unit 62 based on the total result data generated by the total control unit 64g and the inspection result data generated by the general inspection control unit 64h and the detailed inspection control unit 64i. Generate display data. The display data is supplied from the output unit 64c to the display unit 62 via the interface 70, and an image is displayed on the display unit 62, and the image is confirmed by the operator. Further, medical data such as image data that has undergone necessary image processing is stored in the memory 65 and further recorded on the hard disk 66 by the hard disk control unit 67 in accordance with the set conditions.

  When desired image data is obtained using the imaging device 40 and the image reading device 50, an operator's instruction using the input unit 61 is set or set in order to store medical data such as image data in the data center 20. The transmission control unit 64d starts to access the data center 20 according to the determined conditions. In the data center 20, in order to prevent leakage of personal information, falsification of medical image data, etc., authentication is requested for access to the database server 23 (FIG. 1), and the database server 23 is allowed until the authentication is permitted. Access to is prohibited.

  The transmission control unit 64d inquires the access right to the authentication server 21 (FIG. 1) of the data center 20, and when the access right is recognized in the authentication server 21, the medical data stored in the memory 65 or the hard disk 66 or the like. Is sent to the database server 23 and recorded on the recording medium of the medical database 23a.

  In addition, the total information recording unit 64e includes setting information input using the input unit 61 and the like, information such as the age of the patient, operation information such as operation logs such as photographing and printing on a film, and various event logs, error information, and the like. Medical device information including error information such as logs and warning logs is recorded on the hard disk 66. For example, a warning such as “the radiation dose is decreasing” is recorded in the hard disk 66 as a warning log, and together with the warning, the tube current value, the tube voltage value, the main circuit of the main circuit used to generate the radiation are recorded. The current value and the number of occurrences of radiation are recorded as operation information.

  In order to collect the medical device information recorded on the hard disk 66 by the total information recording unit 64e, the program request unit 64f updates the latest total for the medical device 11 when the imaging control terminal 60 is started or every predetermined period. A total program request signal including information specifying the requesting medical device is transmitted to the FTP server 24 so as to transmit the program.

  The FTP server 24 is the latest counting program for the medical device 11, and when the medical device 11 has a counting program that has not yet been downloaded, the FTP server 24 transmits the counting program to the medical terminal 60 of the medical device 11. To do. The program request unit 64 f of the medical terminal 60 receives the total program and records it on the hard disk 66. When the aggregation program stored in the hard disk 66 is executed by the CPU 64, the CPU 64 and the aggregation program constitute an aggregation control unit 64g.

  The aggregation control unit 64g collects the medical device information recorded by the aggregation information recording unit 64e, generates aggregation result data representing the collected medical device information, and specifies the transmission source medical device. Together with the information to be transmitted to the FTP server 24. The transmitted aggregation result data is recorded by the FTP server 24 in the aggregation result database 24a corresponding to the facility management information. Further, the total result is displayed on the display unit 62 by the image processing unit 64b based on the total result data.

  When performing a self-diagnosis based on the medical device information collected by the totalization control unit 64g, the program request unit 64f determines whether the medical device 11 is in accordance with an instruction from the operator using the input unit 61 or a set condition. Therefore, an overview check program request signal including information specifying the requesting medical device is transmitted to the FTP server 24 so as to transmit the latest overview check program. The overview check program request signal may be transmitted simultaneously with the transmission of the total program request signal.

  The FTP server 24 is the latest outline inspection program for the medical device 11, and when the medical device 11 has an outline inspection program that has not yet been downloaded, the outline inspection program is stored in the medical terminal of the medical device 11. 60. The program request unit 64 f receives the summary inspection program and records it on the hard disk 66. When the outline inspection program stored in the hard disk 66 is executed by the CPU 64, the CPU 64 and the outline inspection program constitute an outline inspection control unit 64h.

  The general inspection control unit 64h performs an analysis based on the medical device information (total result data) collected by the total control unit 64g and the past inspection result data recorded on the hard disk 66, whereby the medical device 11 A self-diagnosis is performed and a summary check result is created. The result of the general inspection created by the general inspection control unit 64h is displayed on the display unit 62 by the image processing unit 64b.

  Further, when an abnormality is found in the self-diagnosis performed by the general inspection control unit 64h, if it is determined that a re-inspection for performing a detailed analysis process with a higher processing load is necessary, the input unit 61 is changed. Information for specifying the requesting medical device and summary inspection so that the program requesting unit 64f transmits a detailed inspection program tailored to the symptoms of the medical device 11 according to the instruction of the operator used or the set conditions. A detailed inspection program request signal including the result is transmitted to the FTP server 24.

  The FTP server 24 is a detailed inspection program tailored to the symptoms of the medical device 11, and when the medical device 11 has a detailed inspection program that has not yet been downloaded, the detailed inspection program is stored in the medical terminal of the medical device 11. 60. The program request unit 64 f receives the detailed inspection program and records it on the hard disk 66. When the detailed inspection program stored in the hard disk 66 is executed by the CPU 64, the CPU 64 and the detailed inspection program constitute a detailed inspection control unit 64i.

  The detailed inspection control unit 64 i performs a detailed analysis based on the medical device information (aggregation result data) collected by the aggregation control unit 64 g and the past inspection result data recorded on the hard disk 66, thereby providing medical care. A self-diagnosis of the device 11 is performed, and a detailed inspection result is created. The result of the detailed inspection created by the detailed inspection control unit 64i is displayed on the display unit 62 by the image processing unit 64b.

  In the present embodiment, the photographing control unit 64a, the image processing unit 64b, the output unit 64c, the transmission control unit 64d, the total information recording unit 64e, and the program request unit 64f are configured by a CPU and basic software. Or an analog circuit.

  FIG. 4 is a block diagram showing the configuration of the FTP server installed in the data center. The FTP server 24 includes an input unit 81 used for inputting various instructions and the like, a display unit 82 for performing display for operation, and a central unit where the input unit 81 and the display unit 82 are connected via an interface 89. Arithmetic unit (hereinafter referred to as CPU) 83, memory 84, hard disk 85, hard disk controller 86 for controlling hard disk 85, network interface 87 for connection to LAN, and hard disk storing various databases And an interface 88 for controlling the recording medium. These parts 83 to 88 are connected to each other via a bus line. The various databases include a total result database (DB) 24a, an equipment management database (DB) 24b, and a program database (DB) 24c.

  The memory 84 includes a total result data received from a plurality of medical devices, a total program request signal, a general inspection program request signal, a detailed inspection program request signal, a total result request signal received from the analysis server 25, a total program, and an outline. The inspection program and the detailed inspection program are temporarily stored. The hard disk 85 stores software (program) for causing the CPU 83 to perform an operation. In addition to the built-in hard disk 85, an external hard disk, flexible disk, MO, MT, RAM, CD-ROM, DVD-ROM, or the like can be used as a recording medium for recording the program.

Next, functional blocks 83a to 83d configured by the CPU 83 and software (program) will be described.
The reception control unit 83a receives the total result data, the total program request signal, the general inspection program request signal, and the detailed inspection program request signal from the plurality of medical devices, and receives the total result request signal, the total program, The general inspection program and the detailed inspection program are received.

  The counting result management unit 83b associates the counting result data received from the plurality of medical devices by the reception control unit 83a with the facility management information related to the medical device based on the information specifying the requesting medical device, It records and manages on the recording medium of the total result database 24a. Further, when the reception control unit 83a receives the aggregation result request signal from the analysis server 25, the aggregation result management unit 83b corresponds the aggregation result data recorded in the aggregation result database 24a to the aggregation result. It transmits to the analysis server 25 with equipment management information.

  The program management unit 83c manages the tabulation program, the overview inspection program, and the detailed inspection program received by the reception control unit 83a by recording them in a recording medium of the program database 24c.

  When the reception control unit 83a receives the total program request signal, the overview inspection program request signal, or the detailed inspection program request signal from any medical device, the transmission control unit 83d transmits the request signal and the facility management database. Based on the facility management information recorded in 24b, the latest totaling program or summary inspection program for the medical device or the detailed inspection program for the medical device is transmitted to the requesting medical device.

  In the present embodiment, the reception control unit 83a, the total result management unit 83b, the program management unit 83c, and the transmission control unit 83d are configured by a CPU and software, but may be configured by a digital circuit or an analog circuit.

  FIG. 5 is a block diagram showing the configuration of the analysis server installed in the data center. The analysis server 25 includes an input unit 91 used for inputting various instructions and the like, a display unit 92 that performs display for operation, and a central unit where the input unit 91 and the display unit 92 are connected via an interface 98. An arithmetic device (hereinafter referred to as a CPU) 93, a memory 94, a hard disk 95, a hard disk controller 96 for controlling the hard disk 95, and a network interface 97 for connecting to a LAN are included. These portions 93 to 97 are connected to each other via a bus line.

  The memory 94 temporarily stores the aggregation result data read from the aggregation result database (DB) 24a by the FTP server 24 and the facility management information read from the facility management database (DB) 24b. The hard disk 95 stores software (program) for causing the CPU 93 to perform an operation. In addition to the built-in hard disk 95, an external hard disk, flexible disk, MO, MT, RAM, CD-ROM, DVD-ROM, or the like can be used as a recording medium for recording the program.

Next, functional blocks 93a to 93d configured by the CPU 93 and software (program) will be described.
The totaling result collection unit 93a transmits a totaling result request signal to the FTP server 24, and the totaling results transmitted from a plurality of medical devices recorded in the totaling result database (DB) 24a, together with corresponding facility management information, By receiving from the FTP server 24, the total results are collected.

  The statistical analysis processing unit 93b performs statistical processing and / or analysis processing on the aggregation result data collected by the aggregation result collecting unit 93a for each type of medical device based on the facility management information, thereby obtaining an analysis result. Generate data. Analysis results include, for example, statistical information such as the operation pattern before failure for each device type, the number of patients for each age, and the average, minimum, and maximum of operation information such as the number of output films To do.

  The tabulation program generation unit 93c generates a tabulation program based on the analysis result generated by the statistical result analysis unit 93c and transmits it to the FTP server 24. The FTP server 24 records the received aggregation program in the program database 24c. As a result, the latest aggregation program is recorded in the program database 24c.

  The inspection program generation unit 93d generates an outline inspection program and a detailed inspection program based on the analysis result generated by the statistical result analysis unit 93c, and transmits it to the FTP server 24. The FTP server 24 records the received outline inspection program and detailed inspection program in the program database 24c. As a result, the latest overview inspection program and detailed inspection program are recorded in the program database 24c.

  In this way, by performing detailed statistical processing and / or analysis processing for each device type, and generating the latest aggregation program, the latest overview inspection program, and the latest detailed inspection program for each device type, The accuracy of self-diagnosis in each medical device can be improved. Further, the device type is not limited to the device model number, and may include the time when the medical device is installed in the medical facility. For example, it is possible to extract only medical devices that have no trouble for one year after being installed in a medical facility, and perform analysis based on the counting results of the medical devices.

  In this embodiment, the total result collection unit 93a, the statistical analysis processing unit 93b, the total program generation unit 93c, and the inspection program generation unit 93d are configured by a CPU and software, but are configured by a digital circuit or an analog circuit. Also good.

Next, the operation of the medical device maintenance system according to this embodiment will be described with reference to FIGS.
FIG. 6 is a flowchart showing an operation in storing medical data of the medical device maintenance system according to the present embodiment.

  First, in step S1 of FIG. 6, the medical terminal 60 inputs medical data such as image data representing a medical image obtained by imaging for diagnostic purposes from the image reading device 50 and stores it in the memory 65 or the hard disk 66 or the like. Store in the means. Next, in step S <b> 2, the transmission control unit 64 d of the medical terminal 60 inquires the access right to the authentication server 21 of the data center 20. If the access right is recognized by the authentication server 21, the transmission control unit 64d transmits medical data such as stored image data to the database server 23 of the data center 20 in step S3.

  In step S4, the database server 23 receives medical data. In step S5, the database server 23 records the received medical data on the recording medium of the medical database 23a. Thereby, the medical data is stored in the data center 20.

  7 and 8 are flowcharts showing the operation of the medical device maintenance system according to the present embodiment in self-diagnosis. First, in step S <b> 11, the total information recording unit 64 e of the medical terminal 60 records medical device information used for maintenance on the hard disk 66.

  Next, in step S12, the program request unit 64f includes a total program request signal including information for specifying the requesting medical device so as to transmit the latest total program for the medical device 11 according to the set conditions. Is transmitted to the FTP server 24 of the data center 20.

  In step S13, the reception control unit 83a of the FTP server 24 receives the total program request signal. In step S14, the medical management terminal 83c transmits the total program request signal based on the information specifying the requesting medical device included in the total program request signal received by the reception control unit 83a. The facility management information corresponding to 60 is searched.

  In step S15, the program management unit 83c searches the program database 24c for the latest aggregation program that has not yet been downloaded by the medical device 11, based on the facility management information searched in step S14. Here, when the latest aggregation program that has not yet been downloaded by the medical device 11 is stored in the program database 24c, the process proceeds to step S16, and when it is not stored, the process proceeds to step S18.

  If the latest total program that has not yet been downloaded by the medical device 11 is stored in the program database 24c, in step S16, the program management unit 83c causes the source medical device included in the total program request signal. Based on the information for identifying the information, the retrieved total program is returned to the medical terminal 60 that is the transmission source. In step S <b> 17, the program request unit 64 f of the medical terminal 60 receives the searched total program and updates the total program recorded on the hard disk 66.

  In step S18, based on the updated totaling program or the previous totaling program, the totaling control unit 64g collects medical device information recorded on the hard disk 66 by the totaling information recording unit 64e, and generates totaling result data. . In step S19, the aggregation control unit 64g transmits the aggregation result data to the FTP server 24 of the data center 20 together with information specifying the requesting medical device. The totaling result is displayed on the display unit 62 by the image processing unit 64b and confirmed by the operator.

  In step S20, the reception control unit 83a of the FTP server 24 receives the aggregation result data and information specifying the requesting medical device. In step S21, the tabulation result management unit 54b records the tabulation result data in the recording medium of the tabulation result database 24a in association with the facility management information corresponding to the information specifying the requesting medical device.

  In step S22, the program request unit 64f of the medical terminal 60 transmits the latest overview check program for the medical device 11 in accordance with an operator instruction using the input unit 61 or a set condition. A summary inspection program request signal including information specifying the requesting medical device is transmitted to the FTP server 24 of the data center 20. In step S23, the reception control unit 83a of the FTP server 24 receives the overview inspection program request signal.

  Next, in step S24 of FIG. 7, the program management unit 83c searches for facility management information corresponding to the medical device 11 that has transmitted the overview check program request signal, based on information specifying the requesting medical device.

  In step S25, the program management unit 83c searches the program database 24c for the latest overview check program that has not yet been downloaded by the medical device 11, based on the facility management information searched in step S24. If the latest overview check program that has not yet been downloaded by the medical device 11 is stored in the program database 24c, the process proceeds to step S26. If not stored, the process proceeds to step S28.

  When the latest overview check program that has not yet been downloaded by the medical device 11 is stored in the program database 24c, in step S26, the program management unit 83c receives the transmission source medical device received by the reception control unit 83a. Based on the information for identifying the information, the retrieved overview check program is returned to the medical terminal 60 that is the transmission source.

  In step S <b> 27, the program request unit 64 f of the medical terminal 60 receives the searched outline check program and updates the outline check program recorded in the hard disk 66.

  In step S28, based on the updated general inspection program or the previous general inspection program, the general inspection control unit 64h analyzes the total result data and the past inspection result data recorded in the hard disk 66, and performs self-diagnosis. I do. The summary check result is displayed on the display unit 62 by the image processing unit 64b and confirmed by the operator.

  Next, in step S29, it is determined whether or not a detailed inspection should be performed. For example, when the abnormality discovered from the result of the general inspection is not serious and can be solved by restarting the medical terminal 60 or refilling the film, the operator can restart the medical device 11 or refill the film. In step S30, the outline inspection control unit 64h records the result of the outline inspection on the hard disk 66, and ends the self-diagnosis process.

  On the other hand, for example, in a radiography apparatus, a warning that “dose is falling” frequently occurs in the result of the general inspection, and a serious abnormality such as the number of occurrences (frequency) being larger than a specified value is discovered. If so, in step S31, the program request unit 64f transmits the latest detailed inspection program for the medical device 11 in accordance with an instruction from the operator using the input unit 61 or a set condition. A detailed inspection program request signal including information specifying the requesting medical device and the result of the general inspection is transmitted to the FTP server 24 of the data center 20.

  In step S32, the reception control unit 83a of the FTP server 24 receives the detailed inspection program request signal. In step S33, the program management unit 83c of the FTP server 24, based on the information for specifying the requesting medical device included in the detailed inspection program request signal received by the reception control unit 83a and the result of the general inspection, The facility management information corresponding to the medical device 11 that has transmitted the detailed inspection program request signal is searched.

  In step S34, the program management unit 83c determines the medical device based on the facility management information searched in step S33 and the result of the summary inspection included in the detailed inspection program request signal received by the reception control unit 83a. 11 is searched in the program database 24c for the latest detailed inspection program that has not yet been downloaded, and the searched detailed inspection program is searched based on the information specifying the medical device of the transmission source included in the detailed inspection program request signal. It returns to the medical terminal 60 of the transmission source. In step S <b> 35, the program request unit 64 f of the medical terminal 60 receives the retrieved detailed inspection program and records it on the hard disk 66.

  In step S36, based on the retrieved detailed inspection program, the detailed inspection control unit 64i performs analysis based on the tabulation results recorded in the hard disk 66 and the past inspection results, so that the medical device self Make a diagnosis. For example, in a radiographic apparatus, when the detailed inspection is performed because the number of occurrences of the warning “Dose is falling” is greater than a specified value, the tube current value used to generate radiation, the tube By analyzing the voltage value, the current value of the main circuit, and the number of occurrences of radiation, self-diagnosis such as exhaustion of the tube is performed. The result of the detailed inspection is displayed on the display unit 62 by the image processing unit 64b and confirmed by the operator.

  Next, in step S37, it is determined whether or not a different detailed inspection should be further performed. For example, if the failure location can be identified based on the result of the general inspection, it is determined that it is not necessary to perform further detailed inspection, and the arrangement of the service person is prompted, and the self-diagnosis process is terminated. The arrangement of the service person may be automatically performed by transmitting the result of the detailed inspection to the service company. On the other hand, if the failure location cannot be identified based on the result of the overview check, steps S31 to S37 are repeated until the failure location can be identified or a predetermined number of times. Thereafter, in step S38, the detailed inspection control unit 64i records the result of the detailed inspection on the hard disk 66.

  In the present embodiment, when there is no abnormality in the result of the general inspection or when the abnormality can be easily solved, the self-diagnosis process is completed without performing a detailed inspection, so that the time taken for the self-diagnosis of the medical device Can be shortened. On the other hand, when there is a serious abnormality in the result of the general inspection, a detailed inspection according to the result of the general inspection can be performed.

  Further, since the medical device is inspected under the control of the medical terminal 60, it is not necessary to perform communication between the medical terminal 60 and the data center 20 when referring to the inspection result, and the inspection result is displayed. You can refer quickly. Further, when the medical terminal 60 is started up, the latest program for the medical device is automatically selected and transmitted from the FTP server 24 to the medical terminal 60. This reduces the burden on the operator. Further, since the detailed inspection program is automatically selected and transmitted from the FTP server 24 to the medical terminal 60 based on the result of the general inspection, the operation for performing the detailed inspection is not complicated.

  FIG. 9 is a flowchart showing an operation in program generation of the medical device maintenance system according to the present embodiment. First, in step S41, a totaling result request signal is sent so that the totaling result collecting unit 93a of the analysis server transmits the recorded totaling result in accordance with an operator instruction using the input unit 91 or a set condition. Is transmitted to the FTP server 24.

  In step S42, the reception control unit 83a of the FTP server 24 receives the aggregation result request signal. In step S43, the total result management unit 83b, based on the total result request signal received by the reception control unit 83a, the total result data recorded in the total result database 24a and the facility management corresponding to each total result. Information is returned to the analysis server 25.

  In step S44, the total result collection unit 93a of the analysis server 25 receives the total result data recorded in the total result database 24a and the facility management information corresponding to each total result, and stores the information in the memory 94. Memorize temporarily. In step S45, the statistical analysis processing unit 93b performs statistical processing and / or analysis processing on the total result data for each device type based on the facility management information stored in the memory 94, thereby obtaining an analysis result. Generate data.

  Next, in step S46, it is determined whether to generate the program manually or automatically according to an instruction from the operator using the input unit 91 or a set condition. When the program is manually generated, the process proceeds to step S47, and when the program is automatically generated, the process proceeds to step S50.

  In the case of manually generating the program, in step S47, the operator uses the input unit 91 to specify a totaling program, a summary inspection program, and a detailed inspection program to be generated. Next, in step S <b> 48, the total program generation unit 93 c generates the latest total program in accordance with an operator instruction using the input unit 91 and transmits it to the FTP server 24. In step S 49, the inspection program generation unit 93 d generates the latest overview inspection program and detailed inspection program in response to an instruction from the operator using the input unit 91, and transmits it to the FTP server 24.

  On the other hand, when the program is automatically generated, in step S50, the total program generation unit 93c generates a total pattern based on the analysis result. Next, in step S <b> 51, the aggregation program generation unit 93 c generates the latest aggregation program based on the aggregation pattern and transmits it to the FTP server 24.

  In step S52, the inspection program generation unit 93d generates a general inspection pattern and a detailed inspection pattern based on the analysis result. Next, in step S53, the inspection program generation unit 93d generates the latest overview inspection program based on the overview inspection pattern, generates the latest detailed inspection program based on the detailed inspection pattern, and executes these programs. It is transmitted to the FTP server 24.

  In step S54, the reception control unit 83a of the FTP server 24 receives the latest tabulation program, summary inspection program, and detailed inspection program. In step S55, the program management unit 83c updates the summation program, summary inspection program, and detailed inspection program recorded in the program database 24c with the latest summation program, summary inspection program received by the reception control unit 83a, and Update to detailed inspection program.

  The present invention can be used in a medical device maintenance method and system for remotely performing medical device maintenance.

It is the schematic which shows the structure of the medical device maintenance system which concerns on one Embodiment of this invention. It is a figure for demonstrating the medical device 11 shown in FIG. It is a block diagram which shows the structure of the imaging | photography control apparatus installed in the medical facility. It is a block diagram which shows the structure of the FTP server installed in the data center. It is a block diagram which shows the structure of the analysis server installed in the data center. It is a flowchart which shows the operation | movement in the preservation | save of the medical data of the medical device maintenance system which concerns on this embodiment. It is a flowchart (first half) which shows the operation | movement in the self-diagnosis of the medical device maintenance system which concerns on this embodiment. It is a flowchart (second half) which shows operation | movement in the self-diagnosis of the medical device maintenance system which concerns on this embodiment. It is a flowchart which shows the operation | movement in the program production | generation of the medical device maintenance system which concerns on this embodiment.

Explanation of symbols

10 Medical facilities 11 and 12 Medical equipment 13 Firewall (FW)
14 Printer 20 Data center 21 Authentication server 21a Authentication DB (database)
22 Firewall (FW)
23 Database server 23a Medical DB (database)
24 FTP server 24a tabulation result DB (database)
24b Equipment management DB (database)
24c Program DB (database)
25 Analysis Server 30 Network 40 Imaging Device 41 Imaging Position Elevating Mechanism 42 Imaging Table 43 Radiation Generation Unit 44 Interface 50 Image Reading Device 51 Laser Light Source 52 Optical Scanning Unit 53 Photomultiplier (Photomultiplier Tube)
54 Amplifier 55 A / D Converter 56 Barcode Reader 57 Output Unit 60 Medical Terminals 61, 81, 91 Input Units 62, 82, 92 Display Unit 63 Barcode Readers 64, 83, 93 Central Processing Unit (CPU)
64a Imaging control unit 64b Image processing unit 64c Output unit 64d Transmission control unit 64e Total information recording unit 64f Program request unit 64g Total control unit 64h General inspection control unit 64i Detailed inspection control unit 65, 84, 94 Memory 66, 85, 95 Hard disk 67, 86, 96 Hard disk controller 68 DVD drive 69, 87, 97 Network interface 70, 71, 88, 89, 98 Interface 83a Reception controller 83b Total result manager 83c Program manager 83d Transmission controller 93a Total result collector 93b Statistical analysis processor 93c Total program generator 93d Inspection program generator

Claims (13)

Medical device used in a medical device maintenance system configured by connecting a medical terminal that performs maintenance in a medical device installed in a medical facility and at least one server installed in a data center via a network A maintenance method,
In the medical terminal, a step (a) of recording medical device information relating to a state of a medical device necessary for maintenance;
Information identifying the medical device in order to request the latest aggregation program for collecting medical device information and / or the latest inspection program for performing self-diagnosis by analyzing the collected medical device information (B) transmitting a request signal including: from the medical terminal to the server;
In the server, the latest aggregation program and / or the latest inspection program for the medical device is searched based on information specifying the medical device included in the request signal, and the searched program is the medical program. (C) transmitting the program from the server to the medical terminal if not yet transmitted to the device;
In the medical terminal, when receiving the latest counting program and / or the latest inspection program from the server, the step (d) of recording the program on a recording medium;
Collecting medical device information based on the latest tabulation program recorded on the recording medium and analyzing the collected medical device information based on the latest tabulation program recorded on the recording medium Performing a medical device self-diagnosis (e);
A medical device maintenance method comprising:   The step (b) transmits a request signal for requesting the latest totaling program and / or the latest inspection program from the medical terminal to the server when the medical terminal is activated or every predetermined period. The medical device maintenance method according to claim 1, further comprising:   The step (e) includes collecting medical device information based on the latest totalization program recorded in the recording medium when starting up the medical terminal or every predetermined period. The medical device maintenance method according to 2. When an abnormality is found in a self-diagnosis performed by the medical terminal,
In order to request a second inspection program for analyzing the collected medical device information in more detail and performing a self-diagnosis of the medical device, the information including the information identifying the medical device and the analysis result of the medical device information are included. Transmitting a request signal from the medical terminal to the server;
The server searches for a second inspection program for the medical device based on the information specifying the medical device included in the request signal and the analysis result of the medical device information, and the searched program is the Transmitting the program from the server to the medical terminal if not yet transmitted to the medical device;
In the medical terminal, when receiving a second inspection program from the server, recording the program on a recording medium;
In the medical terminal, based on the second inspection program recorded in the recording medium, analyzing the collected medical device information in more detail and performing a self-diagnosis of the medical device;
The medical device maintenance method according to any one of claims 1 to 3, further comprising: Transmitting the medical device information collected in step (e) from the medical terminal to the server together with information identifying the medical device;
The server analyzes the medical device information collected in the plurality of medical devices based on the information specifying the plurality of medical devices, and based on the obtained analysis result, the latest aggregation program and / or the latest Generating an inspection program;
The medical device maintenance method according to any one of claims 1 to 4, further comprising: A medical device maintenance system configured by connecting a medical terminal that performs maintenance in a medical device installed in a medical facility and at least one server installed in a data center via a network,
Record the medical device information related to the state of the medical device necessary for maintenance, and the latest aggregation program for collecting medical device information and / or the latest for performing self-diagnosis by analyzing the collected medical device information In order to request an inspection program, the request signal including information for specifying the medical device is transmitted to the server, and when the latest counting program and / or the latest inspection program is received from the server, the program is Medical device information recorded on a recording medium and collected on the basis of the latest counting program recorded on the recording medium, and collected on the basis of the latest counting program recorded on the recording medium A medical terminal that analyzes information and performs self-diagnosis of the medical device;
Based on the information specifying the medical device included in the request signal, the latest aggregation program and / or the latest inspection program for the medical device is searched, and the searched program is still transmitted to the medical device. If not, at least one server transmitting the program from the server to the medical terminal;
A medical device maintenance system comprising: When an abnormality is found in a self-diagnosis performed by the medical terminal,
Information for identifying the medical device and the medical device in order for the medical terminal to analyze the collected medical device information in more detail and request a second inspection program for self-diagnosis of the medical device When a request signal including an analysis result of information is transmitted to the server and a second inspection program is received from the server, the program is recorded on the recording medium, and the second inspection recorded on the recording medium Based on the program, the collected medical device information is analyzed in more detail to perform self-diagnosis of the medical device,
The at least one server searches for the second inspection program for the medical device based on the information specifying the medical device included in the request signal and the analysis result of the medical device information. The medical device maintenance system according to claim 6, wherein the program is transmitted from the server to the medical terminal when the program has not yet been transmitted to the medical device. The medical terminal transmits the collected medical device information to the server together with information identifying the medical device;
Based on information for identifying a plurality of medical devices, the medical device information collected in the plurality of medical devices is analyzed, and the latest aggregation program and / or the latest inspection program is generated based on the obtained analysis results. The medical device maintenance system according to claim 6 or 7, further comprising a second server. A medical terminal connected to a server installed in a data center via a network and performing maintenance on a medical device installed in a medical facility,
Control means for controlling the operation of the medical device;
To request the latest aggregation program for collecting medical device information related to the state of medical devices necessary for maintenance and / or the latest inspection program for performing self-diagnosis by analyzing the collected medical device information In addition, when a request signal including information specifying the medical device is transmitted to the server and the latest totaling program and / or the latest inspection program is received from the server, a program request for recording the program on a recording medium Means,
Collecting medical device information based on the latest counting program recorded on the recording medium, and analyzing the collected medical device information based on the latest inspection program recorded on the recording medium Maintenance means for self-diagnosis of medical devices;
A medical terminal comprising: When an abnormality is found in the self-diagnosis performed by the maintenance means,
A request including information identifying the medical device in order that the program request means requests a second inspection program for analyzing the collected medical device information in more detail and performing a self-diagnosis of the medical device. When the signal and the analysis result of the medical device information are transmitted to the server and the second inspection program is received from the server, the program is recorded on a recording medium,
The medical device according to claim 9, wherein the maintenance unit performs a self-diagnosis of the medical device by analyzing the collected medical device information in more detail based on a second inspection program recorded on the recording medium. Terminal. At least one server installed in a data center and connected to a plurality of medical devices respectively installed in a plurality of medical facilities via a network;
Recording a plurality of aggregation programs for collecting medical device information relating to the states of the plurality of medical devices, and a plurality of inspection programs for analyzing the collected medical device information and performing self-diagnosis on a recording medium Program management means to manage;
Reception control means for receiving a request signal for requesting the latest counting program and / or the latest inspection program from any medical device;
When the reception control unit receives the request signal from any of the medical devices, based on the information specifying the medical device included in the request signal, the latest aggregation program for the medical device and / or Or a transmission control means for searching for the latest inspection program in the recording medium and transmitting the program to the medical terminal when the searched program has not been transmitted to the medical device;
A server comprising: The program management means records and manages a plurality of second inspection programs for performing self-diagnosis by analyzing medical device information collected in the plurality of medical devices in more detail,
When the reception control unit receives a request signal for requesting the second inspection program from any medical device, the transmission control unit specifies information and the medical device that specify the medical device included in the request signal Based on the analysis result of the information, a second inspection program for the medical device is searched in the recording medium, and when the searched program has not yet been transmitted to the medical device, the program is used for the medical device. The server according to claim 11, which is transmitted to a terminal. The at least one server includes a second server, and the second server includes:
Total result management means for receiving and managing medical device information collected based on a total program in the plurality of medical devices together with information specifying the medical device;
Statistical analysis means for performing statistical processing and / or analysis processing on medical device information collected in the plurality of medical devices based on information identifying the plurality of medical devices;
Program generation means for generating the latest tabulation program and / or the latest inspection program based on the results obtained by the statistical analysis means;
The server according to claim 11 or 12, further comprising:

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