JP4663279B2 - Reception device, medical device, and identification information generation registration method - Google Patents

Description

  The present invention relates to a medical device including a receiving device that receives in-subject information and a display device that displays an image based on the in-subject information, and in particular, a receiving device that generates identification information for identifying a test at the start of the test. And a medical device.

  In recent years, in the field of endoscopes, capsule endoscopes equipped with an imaging function and a wireless communication function have appeared. This capsule endoscope is an observation period after it is swallowed from the subject's mouth, which is a subject for observation (examination), until it is naturally discharged from the subject's body, for example, the stomach, the small intestine, etc. The internal organs (inside the body cavity) move with the peristaltic movement, and images are sequentially captured using the imaging function.

  In addition, during this observation period of moving through these organs, image data captured in the body cavity by the capsule endoscope is sequentially transmitted to the outside of the subject by a wireless communication function such as Bluetooth, and is stored in an external receiving device. Is stored in a memory provided in When the subject carries the receiving device equipped with the wireless communication function and the memory function, the subject is incapable of performing the observation even during the observation period from swallowing the capsule endoscope until it is discharged. It is possible to act freely without incurring freedom. After the observation, a doctor or a nurse can make a diagnosis by displaying an image in the body cavity on a workstation having display means such as a display based on the image data stored in the memory of the receiving device.

  In general, a receiving device distributes and arranges a plurality of antennas for receiving a video signal transmitted from a capsule endoscope outside a subject, and selectively switches and receives one antenna with few video signal reception errors. Like to do. In Patent Document 1, reception switching of a plurality of antennas arranged outside the subject is performed, and capsule-type endoscopy in the subject, which is a transmission source of the video signal, based on the electric field strength received by each antenna. A receiver for detecting the position of the mirror is described.

Japanese Patent Laid-Open No. 2003-19111

  However, in such a receiver, when the examination using the capsule endoscope is started without registering the examination information (hereinafter referred to as “examination ID”) for the subject from the workstation, to the workstation. When the image data obtained by the inspection is downloaded, there is a risk that the image data will be mistaken.

  The present invention has been made in view of the above-described problem. For example, when downloading image data to a workstation, a receiving apparatus capable of preventing a mistake in image data and easily identifying an inspection. An object is to provide a medical device.

  In order to solve the above-described problems and achieve the object, a receiving apparatus according to the present invention is a receiving apparatus that receives a radio signal transmitted from a transmitting apparatus introduced into the body of the subject. Inspection information fetching means for fetching the inspection information for, registration means for registering the test information fetched by the test information fetching means, detection means for detecting the test information registered in the registration means, and the detection means Identification information generating means for generating identification information for examination of the subject based on the detection result of the subject, wherein the registration means registers the identification information generated by the identification information generating means It is characterized by.

In the receiving apparatus according to the present invention as set forth in the invention described above, the information generated by the information generating means includes information other than the inspection information.

The receiving apparatus according to the present invention is characterized in that, in the above-mentioned invention, the identification information generated by the identification information generating means comprises information other than the inspection information.

The receiving apparatus according to the present invention is characterized in that, in the above-mentioned invention, the receiving apparatus further comprises display means for displaying information registered in the registration means.

The medical device according to the present invention includes a receiving device that receives a radio signal transmitted from a transmitting device introduced into the body of a subject, and a display that displays an image based on the radio signal received by the receiving device. In the medical device comprising the apparatus, the receiving device includes inspection information capturing means for capturing inspection information for the subject, registration means for registering inspection information captured by the inspection information capturing means, and the registration means Detection means for detecting the examination information registered in the detection means, and identification information generation means for generating identification information for examination of the subject based on the detection result of the detection means, and the registration means Registers the identification information generated by the identification information generation means, the display device generates inspection information for the subject, inspection information generation means, the image and the identification information generation means An information capturing means for capturing the generated identification information, based on the captured identification information in the identification information capturing means, characterized in that it comprises, identification means for identifying the examination of the subject.

The medical device according to the present invention is characterized in that, in the above invention, the identification information generated by the identification information generating means comprises information other than the examination information.

In the medical device according to the present invention, the identification information generated by the identification information generation unit includes at least time information.

The medical device according to the present invention is characterized in that in the above invention, the medical device further comprises display means for displaying information registered by the registration means.

  In the receiving device according to the present invention, the detection information registered in the registration means is detected by the detection means, and when this inspection information cannot be detected, information for the examination of the subject by the identification information generation means And when the image data is downloaded to the workstation, identification information for this inspection is sent together with the image data to prevent the image data from being mixed. As a result, the test can be easily identified.

  The medical device according to the present invention captures an image from the receiving device and information for examination of the subject by the information fetching means, and based on the fetched information, the identification means performs the examination of the subject. By identifying, when downloading image data to a workstation, identification information for this inspection is sent together with the image data, and the inspection can be easily identified by preventing the image data from being mixed. There is an effect.

  Hereinafter, embodiments of a receiving device and a medical device according to the present invention will be described in detail based on the drawings of FIGS. The present invention is not limited to these embodiments, and various modifications can be made without departing from the scope of the present invention.

(Embodiment 1)
FIG. 1 is a schematic diagram showing the overall configuration of a wireless intra-subject information acquisition system provided with a medical device according to the present invention. In FIG. 1, a wireless in-vivo information acquisition system includes a receiving device 2 having a wireless receiving function, and a body cavity image that is introduced into the subject 1 to capture data such as a video signal to the receiving device 2. A capsule endoscope (intra-subject introducing device) 3 that performs transmission is provided. In addition, the wireless in-vivo information acquiring system performs data transfer between the display device 4 that displays the intra-body cavity image based on the video signal received by the receiving device 2 and the receiving device 2 and the display device 4. Communication cable 5. The receiving device 2 includes a receiving jacket 2a worn by the subject 1 and an external device 2b that performs processing of received radio signals. The receiving device 2, the display device 4, and the communication cable 5 constitute a medical device.

  The display device 4 is for displaying an in-vivo image picked up by the capsule endoscope 3 and displays an image based on data obtained from the receiving device 2 via the communication cable 5. And so on. Specifically, the display device 4 may be configured to directly display an image using a CRT display, a liquid crystal display, or the like, or may be configured to output an image to another medium such as a printer.

  The communication cable 5 is normally detachable with respect to the external device 2b and the display device 4, and the external device 2b has a structure capable of outputting or recording data information when inserted into both. In this embodiment, the communication cable 5 initializes the receiving device 2, for example, deletes old data such as image data stored in the storage unit 13 in the previous examination, and examination ID such as patient identification information and examination date. Is registered between the external device 2b and the display device 4, and data from the display device 4 is transmitted to the external device 2b. Next, when initialization is completed, the external device 2b and the display device 4 are detached from each other, and the connection between the two is cut off. While the capsule endoscope 3 is moving in the body cavity of the subject 1, the connection between them is maintained in a disconnected state. The external device 2b receives and records data wirelessly transmitted by the capsule endoscope. Then, after the capsule endoscope 3 is discharged from the subject 1, that is, after the imaging of the inside of the subject 1 is completed, the receiving device 2 is removed from the subject 1, and then the communication cable 5 is connected to the outside. It is connected between the device 2b and the display device 4, and has a configuration in which data transmitted from the capsule endoscope 3 recorded by the external device 2b is read by the display device 4. Note that the communication between the external device 2b and the display device 4 according to the present invention is not limited to the communication cable 5, and can be performed by wireless connection, or using a cradle capable of synchronizing data, the external device 2b. It is also possible to communicate with the display device 4 connected. In this case, the display device and the cradle are connected by a communication cable, and the external device 2b is placed on the cradle so that data transfer between the external device 2b and the display device 4 is performed.

  Next, the configuration of the receiving apparatus will be described with reference to the block diagram of FIG. The receiving device 2 has a function of receiving image data in the body cavity that is wirelessly transmitted from the capsule endoscope 3. As shown in FIG. 2, the receiving device 2 has a shape that can be worn by the subject 1, and includes a receiving jacket 2a having receiving antennas A1 to An and a radio signal received through the receiving jacket 2a. And an external device 2b that performs processing and the like. The receiving antennas A1 to An may be directly attached to the outer surface of the subject (human body) 1 and may not be provided in the receiving jacket 2a, or may be detachable from the receiving jacket 2a.

  The external device 2b has a function of processing a radio signal transmitted from the capsule endoscope 3. That is, as shown in FIG. 3, the external device 2b is connected to the selector switch SW for switching the connection of each of the receiving antennas A1 to An, and the reception switch connected by the selector switch SW. A receiving circuit 11 for amplifying and demodulating radio signals from the antennas A1 to An, and a signal processing circuit 12 and a sample hold circuit 15 are connected to the subsequent stage of the receiving circuit 11. An A / D converter 16 is further connected to the subsequent stage of the sample hold circuit 15.

  The control unit C includes a selection control unit C1 as a control unit, and includes a signal processing circuit 12, an A / D conversion unit 16, a storage unit 13 including a hard disk that stores image data and also serves as a registration unit, and a display unit. The display unit 14, the interface unit 18 as inspection information fetching means, the RTC (real time clock) 20, and the switching control unit SC are connected. The switching control unit SC has an intensity receiving antenna number N1 and a video receiving antenna number N2. Based on these pieces of number information, the switching control unit SC issues a switching instruction for the changeover switch SW, and also includes a sample hold circuit 15 and an A / D conversion unit. 16 and the processing timing of the selection control unit C1 are instructed. In addition, the interface unit 18 as inspection information fetching means is connected to the communication cable 5 via a connection unit (not shown).

  The control unit C detects identification information for identifying the subject such as inspection information (examination ID) input from the communication cable 5 via the interface unit 18 and registers the identification information in the storage unit 13. The RTC 20 is composed of a chip circuit dedicated to timekeeping, for example, and the control unit C acquires time information (date information) from the RTC 20, and generates information for the examination of the subject based on the acquired date information. This information is registered in the storage unit 13 as the identification information. The power supply unit 17 is made of, for example, a commercially available dry battery, and supplies power to the above-described internal devices.

  The change-over switch SW of the external device 2b outputs radio signals from the receiving antennas A1 to An to the receiving circuit 11 based on a switching instruction from the switching control unit SC. Here, the changeover switch SW has a connection part CON as an antenna switching means for connecting the reception antennas A1 to An, corresponding to the arrangement positions of the reception antennas A1 to An, respectively.

  In FIG. 2, the receiving circuit 11 amplifies the radio signal and outputs the demodulated video signal S1 to the signal processing circuit 12 as described above, and also receives the received intensity signal that is the received electric field strength of the amplified radio signal. S2 is output to the sample hold circuit 15. The image data processed by the signal processing circuit 12 is stored in the storage unit 13 by the control unit C and displayed and output by the display unit 14. The signal sampled and held by the sample and hold circuit 15 is converted into a digital signal by the A / D conversion unit 16 and taken into the control unit C, and the receiving antenna that has received the highest received electric field strength is used for receiving the video signal period. In addition to selecting as an antenna, receiving antennas other than the selected receiving antenna are sequentially selected as receiving antennas in the intensity receiving period, and each receiving antenna number is set as a video receiving antenna number N2 and an intensity receiving antenna number. The signal S4 for N1 is output to the switching control unit SC. Further, the control unit C stores the received electric field strength in the intensity receiving period and the received electric field strength in the video receiving period in the storage unit 13 together with the image data in association with the receiving antenna selected at that time. The stored received electric field strength of each receiving antenna is information for calculating the position of the capsule endoscope 3 in the body cavity when the image data is received.

  The switching control unit SC holds the strength receiving antenna number N1 and the video receiving antenna number N2 instructed by the selection control unit C1, and sets the receiving antennas A1 to An corresponding to the strength receiving antenna number N1 during the strength receiving period. The switch SW is instructed to make a selective connection, and a signal S5 instructing the changeover switch SW to make a selective connection to the receiving antennas A1 to An corresponding to the video receiving antenna number N2 during the video reception period. , A signal S3a for instructing the sample / hold timing by the sample / hold circuit 15, a signal S3b for instructing the A / D conversion timing by the A / D converter 16, and a signal S3c for instructing the selection control timing by the selection controller C1 Is output.

  FIG. 3 is a block diagram showing the main parts of the external device and the display device shown in FIG. In addition to the selection control unit C1 described above, the control unit C of the external device 2b performs an inspection with an inspection ID detection unit C2 as a detection unit that detects an inspection ID registered in the storage unit 13, and an inspection ID detection unit C2. Information generated by the information generation unit C3 as identification information generation means for generating identification information for inspection based on the time information of the RTC 20 when the ID is not detected, and information detected by the detected inspection ID or information generation unit C3 Is added to the image data subjected to the image processing, and is connected to the interface unit 42 as the information fetching means of the display device 4 via the interface unit 18 and the communication cable 5.

  When the inspection ID is not detected by the inspection ID detection unit C2 when the inspection is started, the information generation unit C3 generates identification information for the inspection. This identification information generates, for example, an inspection ID other than the inspection ID generated by the display device. As the inspection ID, the date of the inspection day (year / month / day), the device ID number, and the inspection serial number are used. It is configured. The information generation unit C3 searches the RTC 20 to detect date information, for example, the date of the examination day, and in the case of this date, information issued by the receiving device 2, for example, “2004040707” ID number, for example, “000” and an inspection serial number, for example, “00” are generated. In other words, in this embodiment, for example, an examination ID in the form of “2004040707-00-00” is generated by the information generation unit C3. The generated inspection ID is registered in the storage unit 13. The control unit C also has a function of displaying the examination ID registered in the storage unit 13 on the display unit 14 as a display unit.

  The control unit DC of the display device 4 includes, for example, a test ID detection unit DC1 that detects information of a test ID from information input from an input unit (keyboard or mouse) (not shown), and a predetermined format from each information of the detected test ID. A test ID generating unit DC2 as a test information generating unit that generates and outputs the test ID through the interface unit 42, and compares the test ID input from the external device 2b with the test ID of the test ID generating unit DC2 and external A determination unit DC3 as identification means for determining identification information input from the device 2b, and a creation processing unit DC4 that processes the acquired image data, for example, creates a thumbnail image (reduced image) or the like.

  When starting the inspection, the inspection ID generating unit DC2 generates an inspection ID of a predetermined format based on the information of the inspection ID detected by the inspection ID detection unit C2. In the case of the inspection ID issued by the display device 4, the inspection ID generation unit DC <b> 2, for example, the date when the display device 4 is registered, the device ID number of the display device 4, and “1” to “99”. A test serial number is generated. The determination unit DC3 compares the inspection ID input from the control unit C of the external device 2b via the interface units 18 and 42 with the inspection ID generated by the inspection ID generation unit DC2, and determines the ID number of the device and the inspection When the serial number is “000-00”, it is determined as the examination ID generated by the external device 2b, and the image data is captured and displayed on the display unit 41. In the case of other inspection IDs, the inspection ID is compared with the inspection ID generated by the inspection ID generation unit DC2, and if they match, the image data is captured and displayed on the display unit 41.

  Next, a series of inspection operations in the control units C and DC of the external device 2b and the display device 4 shown in FIG. 3 will be described based on the flowchart of FIG. First, when the power is turned on (step 101), the control unit C determines whether it is connected to the display device 4 that is a workstation via the interface unit 18 (step 102).

  Here, when connected to the workstation 4, the inspection ID input from the control unit DC of the workstation 4 is fetched and registered in the storage unit 13 (step 103), and communication for initial setting is started. To do. Next, the power is turned off and the start of inspection is waited (step 104). If not connected to the workstation 4, it is determined based on the detection result of the inspection ID detector C2 whether the inspection ID has been registered in the storage unit 13 (step 105).

  Here, if the inspection ID has already been registered in the storage unit 13, the inspection is started (step 107), and the inspection ID detected by the inspection ID detection unit C2 is added to the image data by the information addition unit C4. And output via the interface unit 18. When the examination ID is not registered in the storage unit 13, the information generation unit C3 generates identification information (inspection ID) based on the time information of the RTC 20, and registers it in the storage unit 13 (step 106). Then, inspection is started (step 107). The video signal received by the receiving device 2 from the capsule endoscope 3 by this inspection is subjected to image processing by the signal processing circuit 12 and output to the control unit C as image data. In the control unit C, when the image data is captured, the generated inspection ID is added to the image data by the information adding unit C4 and recorded in, for example, the storage unit 13, and after the inspection is completed in the determination of step 108, The control unit C downloads the image data (inspection data) to which the inspection ID is added to the control unit DC of the workstation 4 via the interface unit 18 and the communication cable 5 (step 109), so that the image data Delivery and display of images on the display unit 41 are enabled. The control unit C erases the data in the storage unit 13 at the same time when the download to the workstation is completed.

  In the workstation 4, the inspection ID added to the image data captured by the interface unit 42 is compared with the inspection ID of the inspection ID generation unit DC <b> 2. If they match, this image data (inspection data) is displayed on the display unit 41. Diagnosis is performed by displaying (step 110). Note that the storage unit 13 can also be configured by a portable recording medium including, for example, a compact flash (registered trademark) memory. In this case, after the inspection is completed, the storage unit 13 is detached from the receiving device 2 and displayed. By attaching to the apparatus 4, it is possible to transfer image data and display an image on the display unit 41.

  Thus, in this medical device, when the examination ID is not registered in the receiving device at the start of the examination, identification information for identifying the examination on the receiving device side is generated and stored in association with the image data. Since the image data associated with the identification information is downloaded to the display device after the inspection is completed, the inspection data can be easily identified by preventing the image data from being mixed when the image data is downloaded to the workstation. Can do. Thereby, in this embodiment, even when the inspection ID is not registered on the receiving device side, the inspection can be started. For example, the inspection can be started quickly even in the case of an urgent inspection. And the operability of the apparatus can be improved.

  In this embodiment, when identification information is generated on the receiving device 2 side, “000” is generated as the device ID. However, the present invention is not limited to this, and is not shown, for example, built in the receiving device 2. It is also possible to use the device ID number recorded in the EPROM or the like. In this case, the workstation can recognize the inspection date and the ID of the receiving apparatus, further prevent the image data from being mixed, and easily identify the inspection.

  In this embodiment, the case has been described in which the inspection ID is generated as identification information for inspection on the receiving device side when the inspection ID is not registered. However, the present invention is not limited to the inspection ID. Any information may be used as long as it can be identified. For example, in the present invention, in addition to the date of the examination day, information indicating the hour and minute can be detected from the RTC, and the hour and minute information can be added.

It is a schematic diagram which shows the whole structure of the radio | wireless type in-vivo information acquisition system provided with the receiver concerning this invention. It is a block diagram which shows the structure of the receiver shown in FIG. Similarly, it is a block diagram which shows the principal part of the external apparatus and display apparatus which were shown in FIG. 4 is a flowchart for explaining a series of operations from power-on to diagnosis in the control unit of the external device and the display device shown in FIG. 3.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Subject 2 Reception apparatus 2a Reception jacket 2b External apparatus 3 Capsule type endoscope 4 Display apparatus (workstation)
DESCRIPTION OF SYMBOLS 5 Communication cable 11 Receiving circuit 12 Signal processing circuit 13 Memory | storage part 14,41 Display part 15 Sample hold circuit 16 A / D conversion part 17 Power supply part 18,42 Interface part A1-An Reception antenna C, DC control part C1 selection Control unit C2, DC1 Inspection ID detection unit C3 Information generation unit C4 Information addition unit CON Connection unit CON1 to CONn Connector DC2 Inspection ID generation unit DC3 Judgment unit DC4 creation processing unit SC switching control unit SW switch

Claims (8)

In a receiving device that receives a radio signal transmitted from a transmitting device introduced into the body of a subject,
Inspection information capturing means for capturing inspection information for the subject from outside ,
Registration means for registering inspection information captured by the inspection information capturing means;
Detection means for detecting inspection information registered in the registration means;
If the detection information is not detected by the detection means , identification information for the examination of the subject is generated based on time information corresponding to the received radio signal and device information of the receiving device Identification information generating means for
Information adding means for adding the inspection information detected by the detecting means to image information included in the wireless signal;
With
The registration unit registers the identification information generated by the identification information generation unit when the inspection information is not detected by the detection unit ,
The information adding means adds the identification information generated by the identification information generating means to image information included in the wireless signal when the inspection information is not detected by the detecting means. Receiving device.   The receiving apparatus according to claim 1, wherein the identification information generated by the identification information generating unit includes information other than the inspection information. The receiving device is:
Display means for displaying information registered in the registration means;
Receiving apparatus according to claim 1 or 2, characterized in that it further comprises. In a medical device comprising a receiving device that receives a wireless signal transmitted from a transmitting device introduced into the body of a subject, and a display device that displays an image based on the wireless signal received by the receiving device,
The receiving device is:
Inspection information capturing means for capturing inspection information for the subject from outside ,
Registration means for registering inspection information captured by the inspection information capturing means;
Detection means for detecting inspection information registered in the registration means;
If the detection information is not detected by the detection means , identification information for the examination of the subject is generated based on time information corresponding to the received radio signal and device information of the receiving device Identification information generating means for
Information adding means for adding the inspection information detected by the detecting means to image information included in the wireless signal;
With
The registration means registers the identification information generated by the identification information generation means when the inspection information is not detected by the detection means ,
The information adding means adds the identification information generated by the identification information generating means to image information included in the radio signal when the inspection information is not detected by the detecting means,
The display device
Test information generating means for generating test information for the subject and outputting the test information to the receiving device ;
Information capturing means for capturing the image information to which the inspection information or the identification information is added from the receiving device ;
Wherein based on the inspection information or the identification information fetched by the identifier retrieving means, identifying means for identifying a test of the subject image information corresponding captured,
A medical device comprising: The medical apparatus according to claim 4 , wherein the identification information generated by the identification information generation unit includes information other than the examination information. The receiving device is:
Display means for displaying information registered by the registration means;
The medical device according to claim 4, further comprising: Identification information by a medical device comprising a receiving device that receives a radio signal transmitted from a transmitting device introduced into the body of a subject and a display device that displays an image based on the radio signal received by the receiving device. A generation registration method,
When the test information for the test of the subject corresponding to the radio signal received by the receiving device is not detected, the test subject is based on the time information corresponding to the test and the device information of the receiving device. An identification information generation / registration method for generating identification information for a person's examination and registering the identification information as identification information corresponding to a radio signal received by the receiving device . The identification information, the receiving device and the display device and it is confirmed that it is not connected, and, if that the test information corresponding to the radio signal received in the receiving device is not registered is confirmed The identification information generation / registration method according to claim 7 , wherein the identification information generation / registration method is generated based on time information corresponding to the examination and device information of the receiving device .

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