WO2004112592A1 - カプセル型医療装置通信システム、カプセル型医療装置及び生体情報受信装置 - Google Patents
カプセル型医療装置通信システム、カプセル型医療装置及び生体情報受信装置 Download PDFInfo
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- WO2004112592A1 WO2004112592A1 PCT/JP2004/009228 JP2004009228W WO2004112592A1 WO 2004112592 A1 WO2004112592 A1 WO 2004112592A1 JP 2004009228 W JP2004009228 W JP 2004009228W WO 2004112592 A1 WO2004112592 A1 WO 2004112592A1
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- Prior art keywords
- medical device
- communication
- biological information
- receiving
- capsule
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
- A61B1/041—Capsule endoscopes for imaging
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00011—Operational features of endoscopes characterised by signal transmission
- A61B1/00016—Operational features of endoscopes characterised by signal transmission using wireless means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00025—Operational features of endoscopes characterised by power management
- A61B1/00027—Operational features of endoscopes characterised by power management characterised by power supply
- A61B1/00029—Operational features of endoscopes characterised by power management characterised by power supply externally powered, e.g. wireless
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
- A61B5/0031—Implanted circuitry
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/0002—Operational features of endoscopes provided with data storages
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00025—Operational features of endoscopes characterised by power management
- A61B1/00027—Operational features of endoscopes characterised by power management characterised by power supply
- A61B1/00032—Operational features of endoscopes characterised by power management characterised by power supply internally powered
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00025—Operational features of endoscopes characterised by power management
- A61B1/00036—Means for power saving, e.g. sleeping mode
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/02—Operational features
- A61B2560/0204—Operational features of power management
- A61B2560/0214—Operational features of power management of power generation or supply
- A61B2560/0219—Operational features of power management of power generation or supply of externally powered implanted units
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/07—Endoradiosondes
- A61B5/073—Intestinal transmitters
Definitions
- Capsule-type medical device communication system Description Capsule-type medical device communication system, capsule-type medical device, and biological information receiving device
- the present invention relates to a capsule-type medical device communication system, a capsule-type medical device, and a biological information receiving device, which are used for inspection in a body cavity or the like.
- This application was filed with Japanese Patent Application No. 2003-17-179667, filed on June 24, 2003, and filed on June 1, 2004.
- Japanese Patent Application No. 2044-16692896 shall be the basic application and these contents shall be incorporated. Background art
- the capsule endoscope When the capsule endoscope is swallowed by the subject, the capsule endoscope advances through the body according to the peristalsis of the digestive tract, and during that time, wirelessly transmits an in-vivo image taken at a fixed frame rate.
- the transmitted in-subject image is received and recorded by the receiving device worn by the subject.
- the doctor or nurse downloads the image data recorded on the receiving device to the workstation, and diagnoses the subject by viewing the in-vivo image displayed on the workstation screen. Do.
- a radio signal is transmitted in a single direction. That is, the capsule endoscope had only the transmitting function, and the receiving device had only the receiving function. Further, the capsule endoscope introduced into the subject generally has a configuration in which the image signal is continuously transmitted wirelessly regardless of the reception state of the receiving device.
- the conventional capsule endoscope transmits a radio signal from within the subject regardless of the reception state between the capsule endoscope and the receiving device, if the communication state between the capsule endoscope and the receiving device is not good. Send unnecessary data that is not received by the receiver There was a problem. This leads to a problem that the actual life of the capsule endoscope is reduced, that is, the time for transmitting receivable data is reduced.
- image data transmitted during a period in which the reception state is not preferable is not recorded in the receiving device, so that there is a problem that diagnosis cannot be performed during this period.
- capsule endoscope As a method for a subject (patient) to check his / her own health condition, various methods such as a medical checkup and an endoscopic examination are generally known.
- capsule endoscope devices There are various types of capsule medical devices of this type, but one specific example is to take images of various parts of the body and transmit the images of the inside of the body to an image monitor arranged outside the body.
- Electronic endoscope devices are known (for example, page 2 of JP-A-H099-1927, lines 13 to 4 from the lower right column, page 4 and lines 4 to 4 from the upper left column). See Figure 1).
- the electronic endoscope apparatus includes an imaging head for imaging various parts of the body inside a patient's body and an image monitor arranged outside the body.
- the imaging head unit is a capsule-shaped envelope made of plastic or the like, and has an objective lens that captures images of various parts of the body, a solid-state imaging device such as a CCD chip, and processes image signals from this solid-state imaging device.
- An image processing circuit element, an integrated circuit for transmission for transmitting the image signal processed by the image processing circuit element to an image monitor outside the body, a printed antenna for transmission, and a battery for supplying power to each part. are doing.
- the solid-state imaging device, the image processing circuit device, the integrated circuit for transmission, the print antenna, and the battery are connected to each other by a wiring board.
- the patient When performing an examination using this electronic endoscope apparatus, the patient first swallows the imaging head unit near the image monitor unit.
- the imaging head unit inserted into the body images each part in the body with the solid-state imaging device.
- the captured image is sent to the image processing circuit element.
- the image signal is sent from the transmission integrated circuit to the image monitor unit via the print antenna. Then, an inspection is performed based on the transmitted image signal.
- biometric information such as temperature, humidity, pH and pressure within the living body is measured and recorded over a long period of time, and this biometric information is sent to the outside of the body.
- Recording capsules are known (for example, Japanese Patent Application Laid-Open No. Hei 1-3092525, page 4, line 13 from the lower left column to page 4, line 9 from the lower right column, line 1). See Figure 2).
- This biometric information recording capsule has a sensor that detects temperature, pH, pressure, etc. in the body and converts it into an electric signal, a memory that stores a signal from the sensor, and a sensor that is sent from the sensor.
- a data processing unit such as an MPU (Micro Processing Unit) that performs predetermined processing of biological information data, a timer with a built-in clock signal generator that supplies a reference clock for this data processing unit to perform time measurement, A micro-receiver that controls the data processing unit based on the above-mentioned signal, and a microphone mouth transmitter that ultrasonically transmits biological information to a receiver outside the body.
- MPU Micro Processing Unit
- a signal is sent from the extracorporeal microcapsule control device to the micro receiver in the biological information recording force capsule after the patient swallows the biological information recording capsule.
- the micro receiver activates the data processing unit, and stores a measurement date, a measurement time, and the like from the timer in a memory in accordance with an operation timing of the data processing unit.
- the data processing unit detects biological information such as pH by operating a sensor and performs data processing.
- the data processing unit stores the data after the data processing in the memory unit. That is, the memory unit stores the processed data together with the measurement date and time. Then, the information is sent to the external receiver outside the living body by the micro transmitter and inspected.
- the capsule medical devices such as the electronic endoscope device described in Japanese Patent Application Laid-Open No. 4-109927 and the biological information recording capsule described in Japanese Patent Application Laid-Open No. Although it has a function to transmit biological information obtained in the body from the inside of the body to the outside of the body, the transmission is interrupted depending on the posture and position of the capsule medical device inside the body. Or the transmission was not performed.
- the posture of the capsule medical device is bad, so that the matching between the antenna inside the capsule medical device and the receiver placed outside the living body does not match, or the capsule medical device
- the acquired data may be sent out of the body. It was difficult. Therefore, there was an inconvenience that biological information required for the test could not be obtained properly.
- a capsule medical device and a capsule medical device communication system capable of reliably transmitting acquired test information from inside a living body to outside the living body.
- the present invention has been made in view of the above circumstances, and an object of the present invention is to provide means capable of reliably receiving test information (biological information) acquired in a living body outside the living body. Disclosure of the invention
- the present invention employs the following solutions.
- the first capsule medical device communication system of the present invention includes a capsule medical device that transmits biological information of a subject from the inside to the outside of the subject, and the capsule medical device that is disposed outside the subject.
- the capsule medical device transmits a communication confirmation signal for confirming a communication state with the biological information receiving device to the biological information receiving device.
- the biological information receiving device transmits a communication confirmation signal for confirming a communication state with the biological information receiving device to the biological information receiving device.
- the capsule medical device transmits the biological information when receiving the communication permission signal transmitted from the biological information receiving device.
- transmission of biological information data transmission
- the communication state is poor, that is, when the biological information receiving device cannot receive the biological information, useless images are not transmitted from the capsule medical device and power is not consumed.
- the communication condition is good, for example, Since the biological information such as images of a plurality of frames is transmitted, there is little possibility that the biological information receiving device loses the acquired image, and the biological information is efficiently received. Therefore, more accurate biological information can be obtained.
- the communication permission signal may also serve as a wireless signal for supplying power to the force-push type medical device.
- the capsule medical device can receive power supply from the living body information receiving device arranged outside the subject via the communication permission signal, so that it is possible to eliminate power outage such as running out of battery. Therefore, biological information can be reliably obtained.
- a first capsule-type medical device includes: an obtaining unit configured to obtain biological information of a subject; the obtained biological information; and a biological information receiving device arranged outside the subject. Transmitting means for transmitting a communication confirmation signal for confirming a communication state to the biological information receiving apparatus; and a wireless signal including at least a communication permission signal transmitted from the biological information receiving apparatus when the communication confirmation signal is received. And a communication control unit that determines whether to transmit the biological information based on a reception state of the communication permission signal.
- the first capsule medical device When the first capsule medical device is inserted into the subject, the first capsule medical device moves within the subject while acquiring biological information by the acquisition means (peristaltic motion or the like).
- the transmitting unit transmits a communication confirmation signal to the outside of the subject at the same time as acquiring the biological information.
- the biological information receiving device When receiving the communication confirmation signal, the biological information receiving device transmits a wireless signal including the communication permission signal. Then, when the receiving means receives the communication permission signal sent from the biological information receiving device during the movement in the subject, the communication control means determines whether or not the power to transmit the biological information based on the reception state of the communication permission signal. If it is judged and transmitted, the transmitting means is made to transmit the biological information.
- the biological information can be transmitted (data transmission). Therefore, when the communication state is poor, that is, when the biological information receiving apparatus cannot receive the biological information, there is no need to transmit useless images and consume power. Further, when the communication state is good, for example, biometric information such as a plurality of frames of images is transmitted, so that the biometric information receiving device is less likely to lose the acquired image. Therefore, more accurate biological information Obtainable.
- the transmitting means and the receiving means may share the same antenna.
- the same antenna can be switched and shared by the transmitting means and the receiving means, so that the configuration can be simplified and the size can be reduced.
- the receiving means may include an envelope detection circuit.
- the main configuration of the receiving means for example, most of the demodulation unit and the like can be constituted by passive components, the power consumption of the receiving means can be suppressed.
- the power consumption of the battery can be reduced, and the limited power can be used effectively, so that the life can be extended.
- the receiving means may include a rectifier circuit that obtains power from the wireless signal, and a communication permission detecting unit that detects the communication permission signal from an output of the rectifier circuit and sends the signal to the communication control means.
- the rectifier circuit can receive power supply via a wireless signal transmitted from the biological information receiving device disposed outside the subject, so that power loss such as running out of battery can be eliminated. Therefore, biological information can be reliably obtained. Further, since the communication permission detecting section detects the communication permission signal from the output of the rectifier circuit, it is not necessary to provide a separate detection circuit. Therefore, the configuration can be simplified and the size can be reduced.
- the biological information receiving apparatus includes: receiving the biological information of the subject transmitted from the capsule medical device in the subject; and receiving a communication confirmation signal for confirming a communication state with the capsule medical device.
- a recording unit for recording the received biometric information
- a communication permission signal for permitting transmission of the biometric information to the capsule medical device when the receiving means receives the self-communication confirmation signal.
- a communication permission signal transmitting means for transmitting the communication permission signal.
- the communication permission signal generating unit when the receiving unit receives the communication confirmation signal from the capsule medical device in the subject, the communication permission signal generating unit generates a communication permission signal for permitting transmission of the biological information. That is, the communication permission signal generation unit determines that the communication state with the capsule medical device is good by receiving the communication confirmation signal, and generates the communication permission signal.
- the communication permission signal transmitting means transmits the communication permission signal to the capsule medical device.
- the capsule medical device receives the communication permission signal and transmits the biological information. This biological information is received by the receiving means and recorded in the recording unit.
- the communication permission signal is transmitted to the capsule medical device to obtain the biological information.
- the communication state for example, biological information such as images of a plurality of frames is obtained, so that there is little possibility of losing the obtained images. Therefore, more accurate biological information can be obtained.
- the communication permission signal may also serve as a wireless signal for supplying power to the force-push type medical device.
- the wireless signal for supplying power and the communication permission signal can be shared, power supply and transmission of the communication permission signal can be performed by a single transmission unit. Therefore, the configuration can be simplified and the size can be reduced.
- the communication permission signal transmitting means may transmit the communication permission signal at an interval longer than a transmission interval of the communication confirmation signal.
- the communication permission signal which also serves as power supply, is transmitted at a longer interval than the communication confirmation signal is transmitted, and power is supplied to the capsule medical device in a timely manner. It is possible to prevent the transmission of the communication confirmation signal. Therefore, biological information can be reliably obtained.
- the communication state between the force sensor-type medical device and the biological information receiving device is It is edible to send or receive biometric information when is good.
- the communication state is poor, that is, when the biological information receiving device cannot receive the biological information, useless images are transmitted from the capsule medical device and power is not consumed.
- the communication state is good, for example, biological information such as images of a plurality of frames is transmitted, so that the biological information receiving device rarely loses the acquired image and efficiently receives the biological information. Therefore, more accurate biological information can be obtained.
- the second capsule medical device of the present invention (to be distinguished from the first capsule medical device) This is referred to as a second capsule-type medical device.)
- a transmitting unit that transmits the signal to the outside of the living body; a sensor that detects information that specifies a position or a posture of the housing in the living body; and a sensor that detects the information based on the information detected by the sensor.
- the second capsule-type medical device acquires biometric information by the acquisition means while moving in the living body after being inserted into the living body of a patient or the like.
- the sensor detects information such as the pH value in the living body and information such as radio waves from outside the living body and sends it to the estimating means in order to identify its own position or posture.
- the estimating means estimates a communication state with the outside of the living body based on the transmitted information. For example, if the information sent from the sensor is a radio wave from outside the living body, communication with the outside of the living body is possible by comparing the size of the received radio wave with a preset threshold etc. Estimate power. Based on the estimation result of the estimating means, the transmission control means finally determines the state of communication with the outside of the living body, and if it determines that communication is possible, activates the transmitting means to transfer the biological information to the living body. Send outbound.
- the acquired biological information is transmitted to the outside of the living body only when the communication state with the outside of the living body is good while moving in the living body. Can be sent out. Also, the acquired biometric information is not transmitted in a lump at the end, but is transmitted out of the living body at a position where the communication state is good as needed.For example, when a memory for storing the biometric information is provided, This memory capacity can be reduced, and the memory can be used efficiently.
- a magnetic sensor for detecting a magnetic direction may be employed as the sensor.
- the magnetic sensor can detect the magnetic direction from geomagnetism or a magnet disposed outside the living body. In other words, it is possible to always detect the same direction in a living body regardless of its own posture. This makes it possible for the estimating means to estimate whether or not the force is directed in a desired direction by comparing the direction detected by the magnetic sensor with a preset direction or the like.
- a gyro for detecting the direction of the housing may be employed as the sensor. In this case, the same fixed direction can always be detected in the living body by the gyro. This makes it possible for the estimating means to estimate whether or not the force is directed to a desired direction by comparing the direction detected by the gyro with a preset direction or the like.
- a gravity sensor for detecting the direction of gravity may be employed as the sensor.
- the gravity sensor can always detect the direction of gravity in the living body irrespective of its own posture. This makes it possible for the estimating means to estimate whether or not the force is directed in a desired direction by comparing the direction of gravity with a preset direction or the like.
- a luminance sensor for detecting luminance in the living body may be employed.
- the estimation means compares the magnitude of the luminance detected by the luminance sensor with a preset threshold value, a luminance change pattern, or the like. This makes it possible to estimate that the user has moved to a desired position in the living body.
- a pH sensor for detecting a pH value in the living body may be employed.
- the estimating means is used to set the magnitude of the pH value detected by the pH sensor to a predetermined threshold value or a change pattern of the pH value. By comparing with the above, it can be estimated that the user has moved to a desired position in the living body.
- the second capsule-type medical device communication system (referred to as a second capsule-type medical device communication system to be distinguished from the first capsule-type medical device communication system) of the present invention is the second capsule-type medical device communication system.
- a device, and an extracorporeal antenna arranged outside the living body, for transmitting radio waves toward the inside of the living body, and for receiving the biological information transmitted from the transmitting means, wherein the sensor transmits from the extracorporeal antenna.
- a receiving antenna for receiving the incoming radio wave.
- the receiving antenna is an extracorporeal antenna.
- the radio wave transmitted from the tenor is received and sent to the estimating means.
- the estimating means estimates the communication state based on the size of the transmitted radio wave. That is, when the capsule medical device comes to a position where the communication state is good or when matching with the external antenna is good, radio waves are transmitted from the external antenna with high output.
- the magnitude of the received radio wave is compared with a preset threshold or the like. If the magnitude is larger than the threshold, it is estimated that the communication state is good. Then, based on the estimation result of the estimation means, the transmission control means operates the transmission means to transmit the biological information to the extracorporeal antenna.
- the obtained biological information can be reliably obtained outside the living body at any time while moving inside the living body, instead of obtaining the obtained living body information all at once. Therefore, even if some kind of trouble, such as loss of biological information, occurs, since the biological information up to that point is reliably obtained, the effect can be minimized and the reliability of the test improved. can do. Furthermore, the subject such as a patient does not need to always prepare an extracorporeal antenna, and only needs to use the extracorporeal antenna when necessary, so that the burden on the subject involved in the examination can be reduced.
- the third capsule medical device communication system of the present invention includes: the second capsule medical device; and an extracorporeal antenna that is provided outside the living body and receives the biological information transmitted from the transmitting unit.
- An energy wave transmitting unit that is disposed adjacent to the extracorporeal antenna and transmits an energy wave toward the living body, wherein the sensor 1S receives the energy wave transmitted from the energy wave transmitting unit.
- the energy wave receiving means receives the energy wave transmitted from the energy wave transmitting means and sends it to the estimating means.
- the estimating means estimates the communication state based on the size of the transmitted energy wave. That is, the estimating means compares the magnitude of the transmitted energy wave with a preset threshold or the like, and if the magnitude is larger than the threshold, estimates that the communication state is good. Then, the transmission control means operates the transmission means based on the estimation result of the estimation means. Then, the biological information is transmitted to the extracorporeal antenna. This makes it possible to reliably obtain biological information from the capsule medical device moving in the living body. Also, when transmitting biometric information, the transmitting means transmits using the power converted from the transmitted energy wave, so even if the battery or the like in the capsule-type medical device runs out, it remains intact. Thus, the obtained biological information can be reliably obtained.
- the fourth capsule-type medical device communication system includes: the second capsule-type medical device, wherein the sensor is a magnetic sensor; and the biological information transmitted outside of the living body and transmitted from the transmitting means. And a magnet disposed in a direction correlated with the receiving direction of the extracorporeal antenna.
- the magnetic sensor detects the magnetic direction of the magnet regardless of its own posture when passing near the position where the magnet is provided.
- the estimating means can estimate that the transmitting direction of the transmitting means is oriented toward the magnet by comparing the direction of the magnet from the magnetic sensor with a preset direction. . That is, since the magnet is correlated with the receiving direction of the extracorporeal antenna, the estimating means estimates that the transmitting direction of the transmitting means is oriented in the receiving direction of the extracorporeal antenna. Therefore, it can be transmitted when the communication condition is good, and the living body information can be reliably obtained from the force-pussel type medical device moving in the living body.
- a fifth capsule-type medical device communication system includes: the second capsule-type medical device, wherein the sensor is a gyro; and the biological information transmitted from the transmitting unit, the biological information being transmitted from the transmitting unit. And an extracorporeal antenna having a receiving direction in a preset direction.
- a gyro can always detect a certain direction while moving in a living body, irrespective of its own posture.
- the estimating means compares the direction detected by the gyro with a preset direction, so that the transmitting direction of the transmitting means is directed to the receiving direction of the extracorporeal antenna, that is, the matching with the extracorporeal antenna is good.
- the sixth capsule medical device communication system according to the present invention may further include: the second capsule medical device, wherein the sensor is a luminance sensor; and the biometric information transmitted outside of the living body and transmitted from the transmitting unit. And an extracorporeal antenna for receiving.
- the estimating unit when moving in the living body, estimates that it is located at a specific site in the living body based on a detection value from the luminance sensor. For example, by using the brightness and the pH value unique to the stomach, which is considered to be in a relatively good communication state, as a threshold, it is estimated that the capsule medical device is currently located in the stomach. Thereby, biological information can be reliably obtained from the capsule medical device moving in the living body.
- the extracorporeal antenna may be arranged so as to be separated from the surface of the living body by a predetermined distance.
- the extracorporeal antenna is at a predetermined distance from the subject's body, it is hardly affected by the impedance of the living body. Therefore, the state of communication with the capsule medical device in the living body can be maintained in a better state.
- the extracorporeal antenna may move while maintaining the distance.
- the extracorporeal antenna can be moved in accordance with the movement of the capsule medical device in the living body, or a single extracorporeal antenna can search a wide range of good communication conditions over a wide area. Can be used in a practical way.
- the second capsule-type medical device and the second to sixth force-type capsule medical device communication systems of the present invention it is possible to estimate Means for estimating whether the communication state is good or not based on the size of radio waves transmitted from the external antenna, and based on the estimation result! Since the transmission control means makes a final decision and activates the transmission section, the biological information can be transmitted to the outside of the body only when the communication condition is good. Therefore, biological information can be reliably obtained from within the living body, and the reliability of the test can be improved.
- FIG. 1 shows a capsule medical device communication system according to a first embodiment of the present invention. It is a schematic block diagram.
- FIG. 2 is a cross-sectional view of a capsule endoscope that is a component of the capsule medical device communication system.
- FIG. 3 is a block diagram showing a configuration of a receiving device which is another component of the capsule medical device communication system.
- FIGS. 4A and 4B are flowcharts showing the communication operation between the capsule endoscope and the receiving device when obtaining biometric information of a subject by the same force pusher type medical device communication system.
- FIG. 5 is a sectional view of a capsule endoscope according to a second embodiment of the present invention.
- FIG. 6 is a circuit diagram around a receiving antenna in the capsule endoscope.
- FIG. 7 is a cross-sectional view of a capsule endoscope according to the third embodiment of the present invention.
- FIG. 8 is a block diagram of the capsule endoscope.
- FIG. 9 is a conceptual diagram showing a capsule endoscope communication system and a capsule endoscope according to a fourth embodiment of the present invention.
- FIG. 10 is a diagram showing a state in which the capsule endoscope communication system is communicating with a capsule endoscope in the body by the capsule endoscope communication system.
- FIG. 11 is a cross-sectional view of the capsule endoscope.
- FIG. 12 is a diagram showing an air mat provided with an extracorporeal antenna used in the capsule endoscope communication system.
- FIG. 13 is a cross-sectional view of the patient's abdomen when the air mat is worn near the patient's abdomen.
- FIG. 14 is a cross-sectional view of a patient's abdomen showing the capsule endoscope positioned in the stomach of the patient.
- FIG. 15 is a flowchart when the capsule endoscope communication system communicates with the capsule endoscope.
- FIG. 16 is a conceptual diagram showing a capsule endoscope communication system and a capsule endoscope according to a fifth embodiment of the present invention.
- FIG. 17 is a diagram showing a state where the capsule endoscope communication system is communicating with the capsule endoscope in the body by the capsule endoscope communication system.
- FIG. 18 is a sectional view of the capsule endoscope.
- FIG. 19 is a conceptual diagram showing a capsule endoscope communication system and a capsule endoscope according to the sixth embodiment of the present invention.
- FIG. 20 is a diagram showing a state in which the capsule endoscope communication system communicates with a capsule endoscope in a body.
- FIG. 21 is a cross-sectional view of the capsule endoscope.
- FIG. 22 is a conceptual diagram showing a force capsule endoscope communication system and a force capsule endoscope according to a seventh embodiment of the present invention.
- FIG. 23 is a cross-sectional view of the capsule endoscope.
- FIG. 24 is a conceptual diagram showing a capsule endoscope communication system and a capsule endoscope according to the eighth embodiment of the present invention.
- FIG. 25 is a cross-sectional view of the capsule endoscope.
- FIG. 26 is a conceptual diagram showing a capsule endoscope communication system and a capsule endoscope according to a ninth embodiment of the present invention.
- FIG. 27 is a diagram showing a mat used in the capsule endoscope communication system.
- FIG. 28 is a cross-sectional view of a patient's abdomen when the mat is worn on the patient.
- FIG. 29 is a conceptual diagram showing a capsule endoscope communication system and a capsule endoscope according to the tenth embodiment of the present invention.
- FIG. 30 is a front view showing components of a communication device used in the capsule endoscope communication system, and showing a moving mechanism provided in a chair.
- FIGS. 31A and 31B are modifications of the communication device shown in FIG. 29.
- FIG. 31A is a side view of a chair
- FIG. 31B is a front view of an antenna array.
- FIG. 32 is a view showing a modification of the air mat shown in FIG. 12, and is a view showing a state where the mat is worn on a patient.
- FIG. 33 is a perspective view showing the mat.
- FIG. 34 is a diagram showing a modification of the mat. BEST MODE FOR CARRYING OUT THE INVENTION (First Embodiment)
- FIGS. 1 to 4A and 4B a capsule medical device communication system, a capsule medical device, and a biological information receiving device according to a first embodiment of the present invention will be described with reference to FIGS. 1 to 4A and 4B.
- the capsule medical device communication system 1 of the present embodiment transmits the biological information of a subject (subject) A from inside the body (inside the subject) to outside the body (outside the subject).
- a receiving device (biological information receiving device) 3 which is arranged outside the body and receives image signals as biological information transmitted from the capsule endoscope 2;
- a work station 4 for displaying the image data recorded in the receiving device 3 is provided, so that biological information can be detected.
- the force capsule endoscope 2 transmits a communication confirmation signal for confirming a communication state with the receiving device 3, and the receiving device 3 permits communication of biological information when receiving the communication confirmation signal. Is transmitted. Further, the capsule endoscope 2 transmits the biological information when receiving the communication permission signal.
- the capsule endoscope 2 is swallowable by the subject A, and is introduced into the body of the subject A to acquire (detect) biological information.
- the biological information is an image (image signal) in the digestive tract of the subject A will be described.
- the capsule endoscope 2 of the present embodiment includes: an acquisition unit 10 for acquiring an image (biological information); and a transmission for transmitting the acquired image and the communication confirmation signal to the receiving device 3.
- Means 11 for receiving a radio signal including at least the communication permission signal sent from the receiving device 3 in response to the communication confirmation signal, and an image based on the reception state of the communication permission signal.
- a communication control unit (communication control means) 13 for determining whether or not to transmit.
- the exterior 14 includes a capsule-shaped housing 15 and a transparent cover 16 made of a transparent member for capturing an image.
- an LED 17 for illuminating the inside of the body an objective lens 18 for forming an image of the inside of the body, that is, an objective lens 18 for forming an image of an object to be observed, and an image of the inside of the body are taken.
- Solid-state image sensor 19 A memory 20 for storing an image, an imaging section control means 21 for controlling the LED 17 and the solid-state imaging device 19, a modulator 22 for modulating an image signal for transmission, and a receiving apparatus 3.
- a demodulator 23 for demodulating the communication permission signal, which is a control signal transmitted wirelessly, and changing an image signal captured by the solid-state imaging device 19 into a form suitable for transmission, or a predetermined process of the communication permission signal.
- a signal processing circuit 24 for transmitting or receiving various signals between the communication control unit 13 and the receiving device 3, and one of a modulator 22 and a demodulator 23.
- Switch 26 for switching connection so that the antenna is connected to the antenna 25, a battery 27 and a power supply circuit 28 for supplying power to each of the above-described components, and whether or not the capsule endoscope 2 is operated.
- a power switch 29 for controlling the power supply is provided.
- the LED 17, the objective lens 18, the solid-state imaging device 19, and the imaging unit control means 21 constitute the acquisition means 10. Further, the antenna 25, the switching switch 26 and the modulator 22 constitute the above-mentioned transmitting means 11, and the antenna 25, the switching switch 26 and the demodulator 23 constitute the above-mentioned receiving means 12. are doing. Further, as described above, the transmitting means 11 and the receiving means 12 use the same antenna 25 by switching the same with the switching switch 26.
- the objective lens 18 is provided inside the transparent cover 16, and the solid-state imaging device 19 such as a CCD imager is disposed at an image forming position of the objective lens 18. Further, around the objective lens 18, for example, a plurality of white LEDs 17 are arranged as illumination elements, for example. Further, the solid-state image sensor 19 converts an image formed by the objective lens 18 into an electronic signal, and the image picked up by the solid-state image sensor 19 is processed by a signal processing circuit 24. After predetermined processing such as image processing is performed, the signal is transmitted to the modulator 22 (disposed behind the capsule endoscope 2), and then transmitted from the antenna 25.
- the modulator 22 disposed behind the capsule endoscope 2
- the antenna 25 also has a role of a receiving antenna for receiving a communication permission signal, which is a control signal transmitted from the receiving device 3.
- a communication permission signal which is a control signal transmitted from the receiving device 3.
- the received communication permission signal is demodulated by demodulators 2 ′ 3 and then sent to communication control section 13. Then, the communication control unit 13
- the transmitted communication permission signal is recognized, and based on the result, it is determined whether or not it is capable of transmitting an image, and the transmission means 11 is controlled.
- the receiving device 3 receives an external device 30 that demodulates and records each signal (image signal or communication confirmation signal) transmitted from the capsule endoscope 2 and receives each signal. And a transmitting antenna 33 for transmitting a communication permission signal.
- the receiving device 3 of the present embodiment includes a receiving unit 35 for receiving the image signal (biological information) and the communication confirmation signal, a recording unit 36 for recording the received image signal, and a receiving unit 35.
- Each signal received by the receiving antenna unit 32 is demodulated by the receiving circuit 40.
- the demodulated output S1 output from the receiving circuit 40 is sent to the signal processing circuit 41, where processing according to the type of signal is performed.
- the reception intensity signal S 2 output from the reception circuit 40 is sent to the selection control section 42.
- the selection control unit 42 compares the reception intensity of each of the receiving antennas 3 la, 3 1 b, '*', and 3 1 n from the received reception intensity signal S 2, and determines the antenna most suitable for reception. Select Then, based on the selection result, the selection control unit 42 controls the switching switch 43 to perform actual antenna switching.
- the signal received by the receiving antenna unit 32 is an image signal transmitted from the capsule endoscope 2, processing such as correction and compression of image data is performed by the signal processing circuit 41, and processing has been completed.
- the image data is recorded in the recording unit 36 via the control unit 45.
- the recording unit 36 for example, a portable recording medium is used.
- the control unit 45 transmits the communication permission signal generation unit.
- Instruct 37 to generate a communication permission signal that permits the capsule endoscope 2 to transmit an image signal.
- the communication permission signal generated by the communication permission signal generation section 37 is modulated by the transmission circuit 46, and then transmitted from the transmission antenna 33. It is.
- Various information such as subject A (patient) information and error information are displayed on the display unit 47 and the workstation 4 under the control of the control unit 45.
- Power required for each function block of the receiving device 3 is supplied from a power supply unit 48.
- the unit 47 and the power supply unit 48 constitute the external device 30 described above.
- the receiving antenna unit 32, the switching switch 43, and the receiving circuit 40 constitute the above-mentioned receiving means 35, and the transmitting antenna 33 and the transmitting circuit 46 transmit the above-mentioned communication permission signal.
- Means 3 8 are constituted.
- the capsule medical device communication system 1 configured as described above acquires biological information of the subject A, that is, an image of the digestive tract.
- the capsule endoscope 2 introduced into the body of the subject A performs an imaging operation at a timing determined by the imaging unit control means 21 and writes the captured image data into the memory 20 (S 1). Thereafter, the capsule endoscope 2 turns on the modulator 22 (S 2), and transmits a communication confirmation signal for determining whether the communication state with the receiving device 3 is good (S 3). ).
- the receiving device 3 determines that the image signal can be received if the communication confirmation signal can be received.
- the communication confirmation signal preferably has a fixed pattern and can be distinguished from an external noise received by the receiving device 3.
- the form of the communication confirmation signal is not limited to this.For example, whether or not the communication confirmation signal was sent by using the unmodulated signal as the communication confirmation signal and checking the reception strength on the receiving device 3 side. You can judge.
- the modulator 22 Upon completion of the transmission of the communication confirmation signal, the modulator 22 is turned off (S4). On the other hand, the receiving device 3 is in a reception waiting state until receiving the communication confirmation signal or the image signal (S30). If a communication confirmation signal is received while waiting for reception
- the receiving device 3 transmits a communication permission signal to the capsule endoscope 2 (S32).
- the communication permission signal is the same as the communication confirmation signal, It is preferable that the noise is made up of noise and can be distinguished from external noise.
- the form of the communication permission signal is not limited to this.
- the receiving device 3 After transmitting the communication permission signal, the receiving device 3 returns to the reception standby state again (S30).
- the capsule endoscope 2 After transmitting the communication confirmation signal (S3), the capsule endoscope 2 enters a reception standby state for a certain period of time until the communication permission signal is expected to return (S5). If a communication permission signal is received during this period (S6-Yes), the communication control unit 13 determines whether or not to transmit an image signal, and transmits an image signal when it determines to perform transmission.
- the transmission means 11 is controlled as described above, that is, the image data stored in the memory 20 is changed to transmission image data suitable for transmission by the signal processing circuit 24 (S 7), and the signal processing circuit 24
- the modulator 22 is turned on by the control (S8). Then, the transmission image data is modulated by the modulator 22, and then transmitted from the antenna 25 (S9).
- the modulator 22 After transmitting the image data for transmission, the modulator 22 is turned off again (S10), and the image data in the memory 20 is erased (S11). On the other hand, if the communication permission signal is not received within the fixed period (S6-No), the modulator 22 waits for the next imaging timing while keeping the modulator 22 in the off state.
- the receiving device 3 receives the image signal by the receiving means 12 (S 33 .—Yes) and compresses the image by the signal processing circuit 24. Are performed (S34), and the processed data is recorded in the recording unit 36 (S35), and displayed on the display unit 47 and the workstation 4 as well.
- the image stored in the memory 20 of the capsule endoscope 2 is not limited to one frame, but images of a plurality of frames are stored in the memory 20 and when the communication permission signal is confirmed, A configuration in which image data of a plurality of frames is continuously transmitted may be adopted.
- a doctor or the like can diagnose the health condition or the like of the subject A.
- the capsule medical device communication system 1, the capsule endoscope 2, and the receiving device 3 of the present embodiment the communication between the force capsule endoscope 2 and the receiving device 3
- the capsule endoscope 2 transmits the communication confirmation signal before transmitting the image signal.
- receiving device 3 receives this communication confirmation signal, immediately when both communication conditions are good, it sends a communication permission signal for permitting communication of image signals. Since the capsule endoscope 2 transmits the image signal only after receiving the communication permission signal, the image signal can be reliably transmitted to the receiving device 3. Therefore, the capsule endoscope 2 does not transmit image data (image signal) when the receiving device 3 cannot receive the image signal, and thus does not wastefully consume power.
- the receiving device 3 can reliably obtain the image signal, the received image is not lost due to communication failure. Thereby, the diagnosis of the health condition of the subject A can be reliably performed.
- the capsule endoscope 2 of the first embodiment uses a common antenna 25 when receiving a communication permission signal
- the receiving means 12 is provided with another coiled antenna 51 for receiving a communication permission signal.
- the force capsule endoscope 50 receives the coiled antenna 51 inside the exterior 14 and the coiled antenna 51.
- a communication permission signal is transmitted from the receiving device 3 to the capsule endoscope 50 thus configured.
- the operation of the above-described received signal detection circuit 52 at the time of transmission will be described with reference to FIG.
- the communication permission signal arrives, a potential is generated based on the ground of the coiled antenna 51.
- the diode 55 is turned on, and electric charge starts to be accumulated in the capacitor 56.
- the resistor 57 discharges the charge stored in the capacitor 56 to the ground. Therefore, the potential at the upper end of the capacitor 56 rises with a time constant determined by the values of the capacitor 56 and the resistor 57.
- the comparator 58 compares the potential at the upper end of the capacitor 56 with the reference potential generated by the reference voltage generator 59. That is, the communication permission signal can be detected by looking at the output of the comparator 58.
- the capsule endoscope 50 of the present embodiment since most of the reception signal detection circuit 52 is formed of passive components, power consumption can be reduced. Also, since the number of parts is small, it is possible to reduce the size.
- the communication permission signal transmitted from the receiving device 3 can be smaller than the communication confirmation signal transmitted from the capsule endoscope 50, for example, about several tens KHz. By using such a low frequency, attenuation from outside the body to inside the body can be suppressed to a small level.
- the difference between the first embodiment and the present embodiment is that the capsule endoscope 2 of the first embodiment is operated by the built-in battery 27, whereas the capsule endoscope 2 of the present embodiment is operated by the built-in battery 27.
- the endoscope (capsule type medical device) 60 operates by receiving electric power from the receiving device 3 by radio.
- the capsule endoscope 60 includes a receiving unit 12, a receiving coiled antenna 61 for receiving power transmitted from outside the body, and a power receiving unit. It has 6 2.
- the communication permission signal supplies power to the capsule medical device 60.
- Signal wireless signal
- the power supply method is not limited to this.
- a power supply device may be provided outside the body, and power may be wirelessly supplied from the power supply device to the capsule endoscope 60.
- a signal for power supply may be transmitted from the transmission antenna 33 separately from the communication permission signal.
- the power receiving section 62 includes a rectification circuit 63 for obtaining power from the communication permission signal, and a communication control section 1 which detects the communication permission signal from the output of the rectification circuit 63 and detects the communication permission signal. And a communication permission detection unit 64 for sending the data to the communication permission unit 3.
- the rectifier circuit 63 has the same configuration as the received signal detection circuit 52 in the above-described second embodiment.
- the communication permission signal (also serving as power supply) sent from the receiving device 3 is converted into a voltage by the coiled antenna 61 and rectified by the rectifier circuit 63.
- the communication permission detection unit 64 determines whether or not the communication permission signal is being transmitted from the output of the rectifier circuit 63, and whether or not the result is transmitted to the communication control unit 13.
- the communication control unit 13 operates the signal processing circuit 24 and the modulator 22 to transmit an image signal only when a communication permission signal is detected. Further, the output of the rectifier circuit 63 is temporarily stored in the storage unit 65, is stabilized by the power supply circuit 66, and is supplied to each component.
- the capsule endoscope 60 of the present embodiment power can be supplied via the communication permission signal, so that power loss such as running out of battery can be eliminated. Therefore, an in-vivo image, which is biological information, can be reliably obtained without a problem of the life. Further, since the communication permission detecting section 64 detects the communication permission signal from the output of the rectifier circuit 63, it is not necessary to provide a separate detection circuit. Therefore, the configuration can be simplified and the size can be reduced. In particular, since the communication permission signal also serves as a radio signal for supplying power, a single transmitting means may be used, and the receiving device 3 can be easily configured and downsized.
- the capsule endoscope 60 since the capsule endoscope 60 operates by receiving power supply from the outside, if the communication confirmation signal from the force capsule endoscope 60 is not received by the receiving device 3, However, there are two possible causes. In other words, if the communication There are two situations: the capsule endoscope 60 is not operating due to power shortage.
- the communication confirmation signal is transmitted from the capsule endoscope 60 to the communication permission signal transmitting means 38 of the receiver 3. It is preferable to set so that the communication permission signal is transmitted at an interval longer than the predetermined interval. In this case, power can be supplied to the capsule endoscope 60 in a timely manner, and it is possible to prevent a non-transmission of the communication confirmation signal due to power outage. Therefore, it is possible to reliably obtain an image of the body.
- FIG. 9 a capsule medical device and a capsule medical device communication system according to a fourth embodiment of the present invention will be described with reference to FIGS. 9 to 15.
- FIG. 9 a capsule medical device and a capsule medical device communication system according to a fourth embodiment of the present invention will be described with reference to FIGS. 9 to 15.
- the capsule endoscope communication system (power-cell type medical device communication system) 101 of the present embodiment is a capsule endoscope ( (Capsule type medical device) 110, and an extracorporeal antenna 130 arranged outside the body (external body) and transmitting radio waves Ba toward the inside of the body.
- a capsule endoscope (Capsule type medical device) 110
- an extracorporeal antenna 130 arranged outside the body (external body) and transmitting radio waves Ba toward the inside of the body.
- the capsule endoscope 110 detects the in-vivo information (biological information) by being introduced into the body of the patient Aa.
- the capsule-shaped container (housing) 111 shown in FIG. I have it.
- a transmitting unit for transmitting the captured image stored outside of the body to the outside of the body, and a radio wave for specifying its own position or posture (Information)
- the receiving antenna (sensor) 1 15 detecting B a and the radio wave B a detected by the receiving antenna 1 15 Based on the receiving antenna (sensor) 1 15 detecting B a and the radio wave B a detected by the receiving antenna 1 15, the communication state between the external antenna 1 30 arranged outside the body and
- a comparison circuit (estimation means) 116 for estimation and a transmission control section (transmission control means) 117 for controlling the transmission section 114 based on the estimation result of the comparison circuit 116 are built-in. ing.
- the container 111 is made of a material such as plastic, is formed so as to hermetically close the inside thereof, and is provided with a transparent power member 111a at one end.
- An objective lens 1 18 that forms an image of the observation target such as each part of the body is located inside the transparent power 1 11 a.
- the objective lens 118 and the image pickup device 119 form the image pickup section 112.
- a white LED 120 is provided as an illumination element.
- a processing unit 121 for driving the white LED 120, driving the image sensor 119, processing image data, and the like, and the memory 113 are arranged. Is established. Further, adjacent to the memory 1 13, the comparison circuit 1 16, the transmission control section 1 17, the transmitter 1 1 4 a, the transmission antenna 1 1 4 b and the reception antenna 1 1 5 are provided. I have.
- the components described above are connected to each other by a flexible printed circuit board 122, and the required power is supplied by a battery 123.
- the transmitter 114a and the transmitting antenna 114b constitute the transmitting section 114.
- the receiving antenna 115 has a function of receiving the radio wave Ba transmitted from the extracorporeal antenna 130 and transmitting it to the comparison circuit 116.
- the comparison circuit 1 16 converts the transmitted radio wave Ba into a signal value proportional to the reception level, compares the signal value with a preset threshold value, and determines that the signal value is equal to or greater than the threshold value. In the case of, it is set to estimate that the communication state with the extracorporeal antenna 130 is good.
- the comparison circuit 116 has a function of transmitting the estimated result to the transmission control unit 117.
- the transmission control unit 117 is set so as to make a final decision on whether to perform communication based on the estimation result of the comparison circuit 116 and to control the transmitter 114a.
- the transmitter 114a is operated.
- the transmitter 114a has a function of transmitting the captured image stored in the memory 113 to the outside of the body as a radio wave Ca via the transmission antenna 114b.
- a plurality of the above-mentioned extracorporeal antennas 130 are attached to a detachable air mat 140 so that the patient Aa can be detached from the surface of the living body at a predetermined interval ha. I have.
- the air mat 140 is formed in a belt shape, and connection means 141 such as hook-and-loop fasteners are provided on the front and back surfaces at both ends. This allows patient A a to have, for example, abdomen Can be rolled up and held nearby. Further, the air mat 140 is configured so that air can be injected into the inside from the air injection port 142. That is, as described above, after the air mat 140 is wound around the abdomen and the air is injected into the inside from the air inlet 142, the air mat 140 is brought into close contact with the patient Aa. At this time, the outer surface of the air mat 140 is separated from the living body surface of the patient Aa by a predetermined distance ha.
- a plurality of the extracorporeal antennas 130 are attached to the outer surface of the air mat 140 so that the directions of the planes of polarization coincide with each other. Cables (not shown) are connected to these extracorporeal antennas 140, which are collected at plugs 144 and can be connected to a recording device 144 described later.
- the extracorporeal antenna 130 also has a function of receiving the radio wave Ca transmitted from the transmission section 114 of the capsule endoscope 110, that is, a captured image.
- the air mat 140 has a recording device 144 shown in FIG. 9 attached thereto.
- the recording device 144 is provided with a receptacle (not shown) that can be connected to the plug 144.
- the recording device 144 can record the captured image received by the extracorporeal antenna 130 in an internal memory (not shown). By performing predetermined processing on the captured images stored in the memory, the health condition of the patient Aa can be observed.
- the extracorporeal antenna 130 communicates with the capsule endoscope 110, and the capsule endoscope 110 communicates with the living body of the patient Aa.
- a method of extracting a captured image as information will be described with reference to FIG.
- the patient Aa swallows the capsule endoscope 110 and puts it into the body.
- the capsule endoscope 110 inserted into the body illuminates the body with the white LED 120 built in the container 111 as shown in Fig. 11 while moving the digestive tract.
- each part of the body is periodically imaged by the image sensor 119 at regular time intervals, for example.
- the captured image is subjected to predetermined processing by the processing unit 121 and stored in the memory 113.
- the capsule endoscope 110 moves through the digestive tract while randomly acquiring in-vivo information until it is inserted through the mouth and excreted.
- the captured images are sequentially stored in the memory 113.
- the patient Aa acquires a captured image from the capsule endoscope A, for example, after a certain period of time has elapsed.
- a captured image is obtained after the capsule endoscope A has passed through the stomach as shown in FIG.
- the patient Aa wears an air mat 140 to which the extracorporeal antenna 130 is attached, wound around the abdomen. At this time, attach the air mat 140 so that there is a slight gap between the air mat 140 and the body.
- air is injected from an air supply source such as an air pump into the air inlet 144, and the air mat 140 is brought into close contact with the body of the patient Aa.
- the extracorporeal antenna 130 is securely fixed and at a predetermined distance ha from the surface of the body.
- the recording device 144 is attached to the air mat 140, and the plug 144 is connected.
- a radio wave Ba is transmitted from the extracorporeal antenna 130 toward the body using a switch (not shown) or the like (step S1a in FIG. 15).
- the plurality of extracorporeal antennas 130 simultaneously transmit radio waves Ba.
- the receiving antenna 1 15 of the capsule endoscope A receives the radio wave Ba from the closest external antenna 130 according to the position and the posture (step S2a).
- the receiving antenna 115 receives the radio wave Ba and sends the radio wave Ba to the comparison circuit 116 (step S3a).
- the comparison circuit 116 converts the transmitted radio wave Ba into a signal value corresponding to the reception level (step S4a), and compares the signal value with a preset threshold value (step S5). a).
- the comparison circuit 116 estimates that the communication state with the extracorporeal antenna 130 is not good (step S6a). For example, as shown in Fig. 14, when there is an organ (such as a liver) or a bone with high blood flow, which is a radio wave attenuation area, between the capsule endoscope 110 and the external antenna 130. Estimates that the communication state is not good because the level of the received radio wave Ba is low. When the communication state is the worst, radio wave Ba does not reach from external antenna 130 and receiving antenna 115 does not receive radio wave Ba. The comparison circuit 116 sends an estimation result indicating that the communication state is not good to the transmission control unit 117. The transmission control unit 1 17 receives the result and makes a final decision not to communicate.
- organ such as a liver
- a bone with high blood flow which is a radio wave attenuation area
- Step S7a the transmission control unit 117 does not operate the transmission unit 114 after the determination.
- the comparison circuit 116 estimates that the communication state with the extracorporeal antenna 130 is good (step S8a). In other words, by receiving the high-power radio wave Ba, it is estimated that the communication state is good. The comparison circuit 116 sends a signal indicating that the communication state is good to the transmission control unit 117. Receiving this result, the transmission control unit 117 makes a final decision to perform communication and activates the transmitter 114a (step S9a). According to the determination of the transmission control unit 117, the transmitter 114a transmits the captured image stored in the memory 113 as a radio wave Ca to the outside of the body via the transmission antenna 114b. (Step S10a).
- the external antenna 130 receives the transmitted radio wave Ca (step S111a) and sends it to the recording device 144 via the plug 144.
- the extracorporeal antenna 130 is separated from the surface of the body by a predetermined distance ha, it is hardly affected by the impedance of the body.
- the transmitted radio waves Ca can be reliably received.
- the recording device 144 records the captured image, which is the biological information sent from the external antenna, in the memory. This makes it possible to reliably extract biological information from the capsule endoscope 110 inserted into the body.
- the capsule endoscope communication system 101 and the capsule endoscope 110 only by wearing the air mat 140 equipped with the extracorporeal antenna 130, it moves while imaging each part in the body.
- a captured image which is biological information, can be reliably taken out from the capsule endoscope 110 that is in use.
- the capsule endoscope 110 estimates whether or not the communication state is good according to the reception level of the radio wave Ba transmitted from the extracorporeal antenna 130 by the comparison circuit 116, and this estimation is performed.
- the transmission control unit 117 makes a final decision based on the result, and transmits the captured image from the transmission unit 114 to the extracorporeal antenna 130.
- the biological information is obtained from the capsule endoscope 110 moving in the living body when the communication state is good, so that the biological information can be reliably obtained. Wear.
- the biological information acquired by the capsule endoscope 110 can be reliably obtained outside the body at any time while moving in the body, instead of obtaining the biological information acquired at the end. Therefore, even if, for example, the biometric information is lost due to some kind of malfunction in the capsule endoscope 110, the biometric information up to that time is recorded in the recording device 144. Can be minimized. Therefore, the reliability of the inspection can be improved.
- the capacity of the memory 113 can be suppressed, and the memory can be used efficiently.
- the burden on the patient A a involved in the examination can be reduced. it can.
- the extracorporeal antenna 130 is separated from the patient Aa's body by a predetermined distance ha, it is less susceptible to the impedance of the patient Aa. Therefore, the radio wave Ca transmitted from the capsule endoscope 110 can be reliably received.
- the capsule endoscope 110 responds to the level of the radio wave Ba transmitted from the extracorporeal antenna 130. While the communication state was estimated by the capsule endoscope communication system (capsule type medical device communication system) 150 of the present embodiment, the capsule endoscope (capsule type medical device) 160 The point is to estimate the communication state according to the level of the energy wave Da transmitted from outside the body.
- the capsule endoscope communication system 150 of the present embodiment includes a capsule endoscope 160 that can be swallowed by the patient Aa, and is disposed outside the body.
- An extracorporeal antenna 130 that receives the biological information transmitted from the transmitting section 114 of the endoscope 160, that is, the radio wave Ca including the captured image, and is disposed adjacent to the extracorporeal antenna 130,
- An energy wave transmitting unit (energy single wave transmitting means) for transmitting the energy wave Da toward the body is provided.
- the capsule endoscope 160 has an energy wave receiving antenna (see FIG. 18) for receiving the energy wave Da transmitted from the energy single wave transmitting section 15 1 inside the container 111.
- the energy wave receiving antenna 161 has a function of transmitting the received energy wave Da to the comparison circuit 116.
- the comparison circuit 1 16 converts the transmitted energy wave Da into a signal value proportional to the reception level, compares the signal value with a preset threshold value, and determines that the signal value is equal to the threshold value. In the case described above, the setting is made such that it is estimated that the communication state with the extracorporeal antenna 130 is good.
- the transmitting section 114 has a function of transmitting using the power converted from the energy wave Da. That is, the power converted by the conversion unit 162 is supplied to the transmitter 114a. That is, the transmission power required by the transmitter 114a is supplied from outside the body.
- patient A a wears an air mat 140 with multiple external antennas 130 and multiple energy wave transmitters 15 1 as needed. At the same time, inject air to keep a certain distance ha from the body. Then, an energy wave Da is transmitted from the energy wave transmitting section 151 toward the body by a switch (not shown) or the like. When the energy wave Da is transmitted, the energy wave receiving antenna 16 1 of the capsule endoscope 16 1 receives the energy wave Da from the closest energy wave transmitting section 15 1 and the comparison circuit 1 Send to 6.
- the comparison circuit 116 compares a signal value proportional to the received level of the transmitted energy wave Da with a threshold value.
- the comparison circuit 1 16 estimates that the communication state with the extracorporeal antenna 130 is good and the transmission control section 117 Send results. In response to this result, the transmission control section 117 makes a final decision to perform communication and activates the transmitter 114a. This allows the transmitter 114a to transmit the captured image stored in the memory 113 to the extracorporeal antenna 130 when the communication state is good. Also, at the time of transmission, since the transmission is performed using the power converted by the conversion unit 162, the power of the battery 123 need not be used for transmission. Therefore, since the power of the battery 123 can be used intensively for obtaining biological information, for example, the number of times of imaging is increased, and more detailed detection can be performed. Moreover, even if the life of the battery 123 expires, the biological information acquired up to that time can be reliably obtained outside the body.
- the transmitter 114a may be set so that the transmitter 114a automatically starts transmission when the converted power exceeds a value required for driving the transmitter 114a.
- the capsule endoscope communication system 150 and the capsule endoscope 160 by the estimation based on the reception level of the energy wave Da by the comparison circuit 116, the capsule moving inside the body is estimated. From the endoscope 160, communication is performed when the communication state is good, so that biological information can be reliably obtained outside the body.
- the energy wave Da transmitted from outside the body is converted into electric power, and this electric power is used to transmit the biological information, even if the life of the battery 123 has expired, the biological information acquired so far has been obtained. Can be reliably obtained outside the body.
- the energy wave Da may be an electromagnetic wave or an ultrasonic wave.
- the capsule endoscope 110 is operated in accordance with the level of the radio wave Ba transmitted from the extracorporeal antenna 130. While the communication state was estimated, the capsule endoscope communication system (capsule-type medical device communication system) 170 of the present embodiment uses the capsule endoscope (capsule-type medical device) 180 force. The point is that the communication state is estimated based on the magnetic direction of the magnet 171, which is disposed in the communication.
- the capsule endoscope communication system 170 of the present embodiment is arranged outside the body with a capsule endoscope 180 that can be swallowed by the patient Aa.
- An external antenna 130 that receives the biological information transmitted from the transmitting unit 114 of the Pexel endoscope 180, that is, the radio wave Ca including the captured image, and a receiving direction of the external antenna 130 ( And the magnet 171, which is arranged in a direction correlated with the polarization plane direction).
- the capsule endoscope 180 is a magnetic sensor 18 1 that detects the magnetic direction of the magnet 17 1 by the magnetic force E a generated by the magnet 17 1 inside the container 111. have. Further, the magnetic sensor 181 has a function of sending the detected magnetic direction to the comparison circuit 116. In the comparison circuit 116, the direction of the plane of polarization of the transmitting antenna 114b viewed from the magnetic sensor 181 is set in advance. Thus, the comparison circuit 1 16 compares the magnetic direction sent from the magnetic sensor 18 1 with the direction set in advance, thereby determining the transmission direction of the transmission antenna 1 14 b.
- the comparison circuit 1 16 shows that the transmitting direction of the transmitting antenna 114 b is oriented in the receiving direction of the extracorporeal antenna. It is possible to estimate whether or not it is forceful.
- the capsule endoscope 180 has a good communication state and, when moving to the magnetic field region of the magnet 171, The magnetic sensor 18 1 detects the magnetic direction in response to the magnetic force E a of the magnet 17 1 and sends it to the comparison circuit 1 16.
- the comparison circuit 1 16 compares the sent magnetic direction with a preset direction.
- the magnetic direction is the same as the set direction, it is estimated that the matching between the transmitting antenna 114b and the extracorporeal antenna 130 is optimal and the communication state is good. Therefore, the biological information as the captured image stored in the memory 113 can be reliably transmitted to the extracorporeal antenna 130.
- the comparison circuit 116 compares the magnetic direction detected by the magnetic sensor 181 with a preset direction. And the communication antenna 1 1 4b and the external antenna 1 3 0 Since the communication state is estimated by the communication, the transmission can be performed only when the communication state is good, and the biological information can be reliably obtained outside the body.
- the capsule endoscope 110 is operated in accordance with the level of the radio wave Ba transmitted from the extracorporeal antenna 130. While the communication state was estimated, in the capsule endoscope communication system (capsule type medical device communication system) 190 of the present embodiment, the capsule endoscope (capsule type medical device) 200 The point is that the communication state is estimated based on the direction of gravity detected by the gravity sensor 201.
- the capsule endoscope communication system 190 of the present embodiment includes a capsule endoscope 200 that can be swallowed by the patient Aa, and a capsule endoscope 2 that is arranged outside the body.
- An external antenna 130 that receives the biological information transmitted from the transmission section 114 of 0, that is, the radio wave C a including the captured image.
- the receiving direction of the extracorporeal antenna 130 is arranged in the direction of gravity.
- the capsule endoscope 200 has the gravity sensor 201 for detecting the direction of gravity inside the container 111.
- the gravity sensor 201 has a function of sending the detected direction of gravity to the comparison circuit 116.
- the comparison circuit 116 the direction of the plane of polarization of the transmitting antenna 114b viewed from the weight sensor 201 is set in advance. Accordingly, the comparison circuit 1 16 compares the direction of gravity sent from the gravity sensor 201 with the direction set in advance to determine the transmission direction of the transmission antenna 1 14 b (polarization plane direction). ) Can be estimated whether or not is facing the receiving direction of the extracorporeal antenna 130.
- the capsule endoscope communication system 190 and the capsule endoscope 200 configured as described above, the capsule endoscope is inserted into the body, and the biological information is acquired by the imaging unit 112.
- the moving capsule endoscope 200 always detects the direction of gravity by the gravity sensor 201 irrespective of its own posture.
- the comparison circuit 116 compares the direction of gravity sent from the gravity sensor 201 with a preset direction. As a result of the comparison, when the direction of gravity is the same as the set direction, when the transmission direction of the transmitting antenna 114b and the receiving direction of the extracorporeal antenna 130 are optimally matched, that is, It is estimated that the communication state is good. Therefore, the biological information as the captured image stored in the memory 113 can be reliably transmitted to the extracorporeal antenna 130.
- the polarization plane of the extracorporeal antenna 130 surely faces in the direction of gravity. It is preferable to be stationary.
- the external antenna 130 moves passively or actively so that the receiving direction of the external antenna 130 always faces the direction of gravity. May be configured.
- the posture of the capsule endoscope 200 in the body is detected by the gravity sensor 201, but the invention is not limited to this.
- a gyro may be built in instead of the gravity sensor 201.
- the comparison circuit 116 can estimate the communication state by comparing with the set direction.
- the capsule endoscope 110 is operated in accordance with the level of the radio wave Ba transmitted from the extracorporeal antenna 130.
- the force capsule endoscope communication system (capsule type medical device communication system) 210 of the present embodiment uses the capsule endoscope (capsule type medical device) 220
- the communication state is estimated based on the luminance change detected by the luminance sensor 22 1. That is, as shown in FIG. 24, the capsule endoscope communication system 220 of the present embodiment is arranged outside the body with the capsule endoscope 220 that can be swallowed by the patient Aa.
- the endoscope 22 is provided with an extracorporeal antenna 130 for receiving biological information transmitted from the transmission section 114 of the endoscope 22, that is, an electric wave Ca including a captured image.
- the capsule endoscope 220 has a brightness sensor 221 for detecting the brightness of the body inside the container 111.
- a part of the luminance sensor 222 is exposed on the outer surface of the container 111, and can detect the luminance inside the body.
- the luminance sensor 222 has a function of transmitting the detected luminance to the comparison circuit 116.
- the comparison circuit 116 for example, a brightness value unique to the stomach having a relatively good communication state is preset as a threshold value.
- the comparison circuit 1 16 compares the luminance value sent from the luminance sensor 2 21 with the threshold value, so that the capsule endoscope 220 is located on the stomach in a good communication state. It is possible to estimate that
- the capsule endoscope communication system 210 and the capsule endoscope 220 configured as described above, the capsule endoscope that is inserted into the body and moves while acquiring the biological information by the imaging unit 112.
- the brightness sensor 222 detects the normal brightness in the body.
- the comparison circuit 116 compares the luminance value sent from the luminance sensor with the threshold value, and sets the current position to the stomach. Estimate that Therefore, since communication is possible when the patient is located on the stomach where the communication state is relatively good, the biological information, which is a captured image stored in the memory 113, is reliably transmitted to the extracorporeal antenna 130. be able to.
- the capsule endoscope 200 is located on the stomach where the communication state is good, based on the luminance value detected by the luminance sensor 2 21.
- a pH sensor may be built in instead of the luminance sensor 221.
- a change pattern of the brightness or the pH value up to a desired position may be used as the estimation reference.
- the stomach is a location where the communication state is relatively good. It is not something that can be done.
- FIGS. 26 to 28 a ninth embodiment of the force-cell type medical device communication system according to the present invention will be described with reference to FIGS. 26 to 28.
- the same components as those in the fourth embodiment are denoted by the same reference numerals, and description thereof will be omitted.
- the patient Aa wears an air mat 140 to which a plurality of extracorporeal antennas 130 are fixed, and a capsule endoscope.
- the capsule endoscope communication system (capsule-type medical device communication system) 230 of the present embodiment has a point that the extracorporeal antenna 130 is movable. is there.
- the capsule endoscope communication system 23 ⁇ of the present embodiment is an air mat having the capsule endoscope 110, which can be swallowed by the patient Aa, and the external antenna 130. 240.
- the air mat 240 is formed in a belt shape as shown in FIG. 27, and connection means 241, such as a hook-and-loop fastener, is provided on the front and back surfaces at both ends.
- the patient Aa can be wound and held, for example, near the abdomen.
- a movable rail 242 having a height ha is provided over the entire surface.
- a moving frame 2 43 is manually movably mounted, and the extracorporeal antenna 130 is mounted on the moving frame 2 43.
- the extracorporeal antenna 130 is separated from the body surface of the patient Aa by a predetermined distance ha, and is movable while maintaining the distance ha. ing.
- the mobile gantry 243 has a recording device 244 that receives the biological information received by the external antenna 340, and a speed force 2 that operates when the external antenna 340 receives the radio wave Ca.
- An LED 146 that emits light when the radio wave 45 and the extracorporeal antenna 130 receive the radio wave Ca is provided.
- the recording device 244 stores a captured image of the patient Aa sent from the extracorporeal antenna 130 in a memory (not shown) as needed.
- the speaker 2 4 5 is, for example,
- the external antenna 130 is set to emit a continuous tone when receiving the radio wave Ca, and to emit an intermittent tone when the reception ends.
- the LED 146 is set, for example, to turn on when the extracorporeal antenna 130 receives the radio wave Ca, and to turn off when the reception ends.
- the capsule endoscope communication system 230 configured as described above communicates with the capsule endoscope 110 to extract biological information
- the patient A After wearing the air mat 240, the patient A a The moving stand 2443 is manually moved slowly along the moving rail 2442.
- the capsule endoscope 110 estimates the communication state based on the reception level of the radio wave Ba transmitted from the extracorporeal antenna 130.
- the capsule endoscope 110 transmits the radio wave Ca to the extracorporeal antenna 130.
- the extracorporeal antenna 130 Upon receiving the radio wave Ca, the extracorporeal antenna 130 sends the biological information to the recording device 244 and notifies the speaker 245 and the LED 146.
- the speaker 245 emits a continuous sound, and the LED 146 emits light.
- the patient A a senses that the external antenna 130 has received the radio wave C a by the sound from the speaker 245 and the emission of the LED 146, the patient A a Stop moving.
- the patient Aa can reliably obtain biological information from the forcepsell endoscope 110 with a single extracorporeal antenna 130 when the communication state is good.
- the speech force 245 emits an intermittent sound and the LED 146 is turned off, so that the patient Aa can easily know that the reception has been completed.
- the capsule endoscope communication system 230 by moving the extracorporeal antenna 130 along the moving rail 2422, it is possible to search for a position in a good communication state over a wide range. Therefore, one extracorporeal antenna 130 can be used efficiently.
- the distance between the extracorporeal antenna 130 and the body of the patient Aa can be easily changed by changing the height ha of the moving rail.
- both the speaker 245 and the LED 146 are provided. However, either one of them may be used, and other sensing means may be used. May be provided.
- the mobile platform 2 43 was manually moved. It may be an electric type using a table or the like.
- the patient Aa wears an air mat 140 to which a plurality of extracorporeal antennas 130 are fixed, and a capsule endoscope.
- the capsule endoscope communication system (capsule type medical device communication system) 250 of the present embodiment is installed, for example, in a hospital or the like.
- the communication device 260 is provided to communicate with the capsule endoscope 110.
- the capsule endoscope communication system 250 of the present embodiment includes a capsule endoscope 110 that can be swallowed by the patient Aa, and the communication device 260 described above. It has.
- the communication device 260 includes, in the chair 260, the external antenna 130, a moving mechanism 260 for changing the position and orientation of the external antenna 130, and the external antenna 130.
- a built-in air pack 264 for adjusting the distance to A a and an electric pump 264 for supplying air to the outside air bag 263 are provided.
- the moving mechanism 26 2 includes a pair of vertical guides 26 5 parallel to the back of the chair 26 1, a pair of vertical sliders 26 6 movable in the axial direction of the vertical guide 26 5, A horizontal guide 2 67 connected between the vertical slider 26 and a horizontal slider which is movable in the axial direction of the horizontal guide 26 and is rotatable around the axis of the horizontal guide 26 2 6 8 is provided. Then, the extracorporeal antenna 130 is attached to the horizontal slider 2688. Thus, the external antenna 130 can move while changing its angle up and down over the entire range of the backrest of the chair 261.
- the vertical slider 2666 and the horizontal slider 2668 are moved by a motor (not shown).
- the airbag 2663 is located between the movement mechanism 262 and the back of the chair 261. When air is supplied from the electric pump 264, it expands and the backrest expands. That is, when the patient Aa sits on the chair 261, the distance between the patient Aa and the extracorporeal antenna 130 is set to a predetermined distance.
- the capsule endoscope communication system 250 communicates with the capsule endoscope 110 to extract biological information
- the patient A a Sit on the chair 2 6 1 which is installed in the.
- the extracorporeal antenna 130 moves due to the movement of the vertical slider 266 and the movement and rotation of the horizontal slider 268.
- the capsule endoscope 110 estimates the communication state based on the reception level of the radio wave Ba transmitted from the external antenna 130.
- the capsule endoscope 110 transmits the radio wave Ca to the extracorporeal antenna 130.
- the patient Aa simply sits on the chair 261, the external antenna 130 moves in the range of the backrest, searches for a position with good communication, and communicates with the capsule endoscope 110. To obtain biological information. Therefore, the burden on the patient Aa due to the acquisition of the biological information can be reduced. Further, the airbag 263 can easily and surely secure the distance between the extracorporeal antenna 130 and the patient Aa according to the physique of the patient Aa, so that the influence of the impedance can be surely reduced.
- the patient Aa may be notified that the external antenna 130 is receiving the radio wave Ca at a position where the communication state is good, for example, by sound or light from a speaker or an LED.
- the extracorporeal antenna 130 is movable by the moving mechanism 262
- the present invention is not limited to this, and a plurality of antennas may be fixedly arranged.
- a plate-shaped antenna array 270 is provided in the back of the chair 261, and a plurality of extracorporeal antennas 13 0 may be arranged.
- the external antenna 130 closest to the capsule endoscope 110 receives the radio wave Ca when the communication state is good.
- a foam material Hal such as styrene foam may be employed.
- an air mat capable of injecting air is used to separate the extracorporeal antenna from the patient's body by a predetermined distance, but the present invention is not limited to this.
- an endoscope communication system (capsule-type medical device communication system) 280 shown in FIG. 32 has a mat 281 and an air pack 282 that can be worn on the patient Aa.
- the mat 281, as shown in FIG. 33, is formed in a belt shape, and connection means 282 such as hook-and-loop fasteners are provided on the front and back surfaces of both end portions. Thereby, it can be wound around and attached to the patient A a.
- a plug is connected to the extracorporeal antenna 130 via a cable.
- the height of the mat 281 is substantially the same, and air can be injected into the inside from the air inlet 282a.
- this endoscope communication system 280 when communicating with the capsule endoscope 110, the patient Aa places the mat 280 with the air pack 282 in between as shown in FIG. Attach 1. After the attachment, the external antenna 130 is stored in each pocket 284, and the plug of the external antenna 130 is connected to the receptacle of the recording device 285. As a result, a plurality of extracorporeal antennas 13 ° can be attached at a predetermined distance from the body.
- markings for the navel and the lumbar bone may be added to the mat 281, as shown in FIG. A pocket 284 is formed around each marking.
- the patient Aa wears the mat 281, using each marking as a mark, so that the external antenna 130 can be concentrated on a specific site such as near the duodenum or the transverse colon. Can be located. Therefore, when the capsule endoscope 110 moves to the vicinity of the duodenum or the transverse colon, it becomes possible to perform communication. However, it is not limited to the vicinity of the duodenum or the transverse colon.
- the captured image obtained by capturing each part of the body is used as the biological information.
- the present invention is not limited to this, and may be a pH value, pressure, body fluid, or the like.
- a configuration may be adopted in which each biological information can be obtained instead of the imaging unit.
- the imaging unit is adapted to intermittently and randomly photograph the inside of a patient at regular time intervals, but is not limited to this.
- the imaging unit may continuously photograph the inside of a body such as a video. I do not care. In this case, the video signal is stored.
- the present invention is not limited to the one in which the inside of the body is photographed with a video or the like, but may be any as long as it can detect the in-vivo information of the patient and transmit data to an extracorporeal device.
- the present invention provides, for example, a capsule-type medical device for bleeding test with a built-in hemoglobin sensor, and intermittently obtains in-vivo information such as pH value, pressure value, temperature, microbial load, and genetic abnormality for an extracorporeal device.
- the present invention is also applicable to a capsule medical device for in-vivo information inspection to be transmitted and an ultrasonic capsule medical device for intermittently acquiring an ultrasonic image and transmitting the image to an extracorporeal device.
- the capsule endoscope may include a memory having a backup function, and may store all captured images including the captured image transmitted outside the body by the transmission unit. In this case, after the capsule endoscope is collected, the imaging data can be collected again from the memory, so that the reliability of the examination 14 can be improved. Furthermore, even if the transmission is interrupted in the middle of transmitting the imaging data outside the body, it is possible to transmit the captured image after the disconnection at the next transmission.
- the first capsule medical device communication system, the first capsule medical device, and the biological information receiving device of the present invention when the communication state between the capsule medical device and the biological information receiving device is good, Transmission or reception of biological information can be performed. Further, when the communication state is poor, that is, when the biological information receiving device cannot receive the biological information, useless images are transmitted from the capsule medical device and power is not consumed. In addition, when the communication state is good, for example, biological information such as images of a plurality of frames is transmitted, so that the biological information receiving device rarely loses the acquired image and efficiently receives the biological information. Therefore, more accurate biological information can be obtained.
- the estimating means when indwelling in a living body and acquiring biological information, is: Based on the magnitude of the radio wave transmitted from the external antenna, it is estimated whether the communication state is good or not. Based on the estimation result, the transmission control means makes a final decision and activates the transmission section.
- the biological information can be transmitted to the outside of the body only when the communication state is good. Therefore, biological information can be reliably obtained from the living body, and the reliability of the test can be improved.
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Abstract
Description
Claims
Priority Applications (1)
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EP04746697A EP1637063B1 (en) | 2003-06-24 | 2004-06-23 | Capsule type medical device communication system |
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JP2003-179647 | 2003-06-24 | ||
JP2003179647A JP4020834B2 (ja) | 2003-06-24 | 2003-06-24 | カプセル型医療装置及びカプセル型医療装置通信システム |
JP2004162986A JP4451217B2 (ja) | 2004-06-01 | 2004-06-01 | カプセル型通信システム、カプセル型医療装置及び生体情報受信装置 |
JP2004-162986 | 2004-06-01 |
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US (2) | US20050043634A1 (ja) |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8398542B2 (en) | 2008-05-01 | 2013-03-19 | Olympus Corporation | Living body observation system and method of driving living body observation system |
CN105231998A (zh) * | 2015-10-23 | 2016-01-13 | 深圳市冠旭电子有限公司 | 一种监测睡眠的方法和装置 |
Families Citing this family (114)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL143260A (en) * | 2001-05-20 | 2006-09-05 | Given Imaging Ltd | Array and method for locating an intra-body signal source |
JP5033418B2 (ja) * | 2003-07-02 | 2012-09-26 | ギブン イメージング リミテッド | 画像化センサアレイならびにそれを使用する装置および方法 |
WO2005087083A1 (fr) * | 2004-03-18 | 2005-09-22 | Yiqun Lu | Type de capsule endoscopique a motif |
JP4520198B2 (ja) * | 2004-04-07 | 2010-08-04 | オリンパス株式会社 | 被検体内位置表示システム |
EP1765144B1 (en) * | 2004-06-30 | 2015-11-18 | Given Imaging Ltd. | In-vivo sensing system device and method for real time viewing |
US20060095093A1 (en) * | 2004-11-04 | 2006-05-04 | Ido Bettesh | Apparatus and method for receiving device selection and combining |
US20060169294A1 (en) * | 2004-12-15 | 2006-08-03 | Kaler Karan V | Inertial navigation method and apparatus for wireless bolus transit monitoring in gastrointestinal tract |
US8235055B2 (en) | 2005-01-11 | 2012-08-07 | Uti Limited Partnership | Magnetic levitation of intraluminal microelectronic capsule |
US8852083B2 (en) * | 2005-02-04 | 2014-10-07 | Uti Limited Partnership | Self-stabilized encapsulated imaging system |
CN101102711B (zh) * | 2005-03-09 | 2010-09-22 | 奥林巴斯株式会社 | 被检体内导入装置和被检体内导入系统 |
US20060231110A1 (en) * | 2005-03-24 | 2006-10-19 | Mintchev Martin P | Ingestible capsule for esophageal monitoring |
US8912908B2 (en) | 2005-04-28 | 2014-12-16 | Proteus Digital Health, Inc. | Communication system with remote activation |
US8836513B2 (en) | 2006-04-28 | 2014-09-16 | Proteus Digital Health, Inc. | Communication system incorporated in an ingestible product |
US9198608B2 (en) | 2005-04-28 | 2015-12-01 | Proteus Digital Health, Inc. | Communication system incorporated in a container |
US8730031B2 (en) | 2005-04-28 | 2014-05-20 | Proteus Digital Health, Inc. | Communication system using an implantable device |
EP1889198B1 (en) | 2005-04-28 | 2014-11-26 | Proteus Digital Health, Inc. | Pharma-informatics system |
US8802183B2 (en) | 2005-04-28 | 2014-08-12 | Proteus Digital Health, Inc. | Communication system with enhanced partial power source and method of manufacturing same |
US20070260116A1 (en) * | 2005-08-29 | 2007-11-08 | Olympus Corporation And Olympus Medical Systems Corp. | Body-insertable apparatus and receiving apparatus for recognizing remaining power amount |
EP1920418A4 (en) * | 2005-09-01 | 2010-12-29 | Proteus Biomedical Inc | IMPLANTABLE WIRELESS COMMUNICATION SYSTEMS |
US8036615B2 (en) * | 2005-09-02 | 2011-10-11 | Olympus Corporation | Portable simplified image display apparatus and receiving system |
US20100022833A1 (en) * | 2005-09-09 | 2010-01-28 | Olympus Medical Systems Corp. | Receiving apparatus, monitor apparatus, and intra-subject information acquiring system employing the same |
US20070129602A1 (en) * | 2005-11-22 | 2007-06-07 | Given Imaging Ltd. | Device, method and system for activating an in-vivo imaging device |
JP5096676B2 (ja) * | 2005-12-26 | 2012-12-12 | オリンパス株式会社 | 生体内画像表示装置及び受信システム |
US20070197873A1 (en) * | 2006-02-21 | 2007-08-23 | Karl Storz Gmbh & Co. Kg | Wireless optical endoscopic device |
EP3367386A1 (en) | 2006-05-02 | 2018-08-29 | Proteus Digital Health, Inc. | Patient customized therapeutic regimens |
CN100382743C (zh) * | 2006-05-23 | 2008-04-23 | 重庆大学 | 基于jpeg2000的按需式无线内窥镜胶囊 |
JP5084200B2 (ja) * | 2006-08-29 | 2012-11-28 | オリンパスメディカルシステムズ株式会社 | カプセル誘導システム |
US8588887B2 (en) * | 2006-09-06 | 2013-11-19 | Innurvation, Inc. | Ingestible low power sensor device and system for communicating with same |
WO2008030481A2 (en) * | 2006-09-06 | 2008-03-13 | Innurvation, Inc. | Imaging and locating systems and methods for a swallowable sensor device |
EP2087589B1 (en) * | 2006-10-17 | 2011-11-23 | Proteus Biomedical, Inc. | Low voltage oscillator for medical devices |
US20080097249A1 (en) * | 2006-10-20 | 2008-04-24 | Ellipse Technologies, Inc. | External sensing system for gastric restriction devices |
JP5916277B2 (ja) | 2006-10-25 | 2016-05-11 | プロテウス デジタル ヘルス, インコーポレイテッド | 摂取可能な制御活性化識別子 |
US20080103359A1 (en) * | 2006-10-26 | 2008-05-01 | Tah-Yoong Lin | Capsule-type endoscopic system with real-time image display |
JP2010509996A (ja) * | 2006-11-20 | 2010-04-02 | スミスクライン ビーチャム コーポレーション | 胃腸運動性を評価するための方法およびシステム |
US20080306355A1 (en) * | 2006-11-20 | 2008-12-11 | Smithkline Beecham Corporation | Method and System for Monitoring Gastrointestinal Function and Physiological Characteristics |
US8718193B2 (en) * | 2006-11-20 | 2014-05-06 | Proteus Digital Health, Inc. | Active signal processing personal health signal receivers |
US20080172072A1 (en) * | 2007-01-11 | 2008-07-17 | Ellipse Technologies, Inc. | Internal sensors for use with gastric restriction devices |
US8187174B2 (en) * | 2007-01-22 | 2012-05-29 | Capso Vision, Inc. | Detection of when a capsule camera enters into or goes out of a human body and associated operations |
CN101686800A (zh) | 2007-02-01 | 2010-03-31 | 普罗秋斯生物医学公司 | 可摄入事件标记器系统 |
EP2111661B1 (en) | 2007-02-14 | 2017-04-12 | Proteus Digital Health, Inc. | In-body power source having high surface area electrode |
WO2008112577A1 (en) * | 2007-03-09 | 2008-09-18 | Proteus Biomedical, Inc. | In-body device having a multi-directional transmitter |
EP2063771A1 (en) | 2007-03-09 | 2009-06-03 | Proteus Biomedical, Inc. | In-body device having a deployable antenna |
US8115618B2 (en) | 2007-05-24 | 2012-02-14 | Proteus Biomedical, Inc. | RFID antenna for in-body device |
JP5426821B2 (ja) * | 2007-09-05 | 2014-02-26 | オリンパス株式会社 | 内視鏡システム |
EP4011289A1 (en) | 2007-09-25 | 2022-06-15 | Otsuka Pharmaceutical Co., Ltd. | In-body device with virtual dipole signal amplification |
DE102007051861B4 (de) * | 2007-10-30 | 2020-03-12 | Olympus Corporation | Verfahren zur Führung eines Kapsel-Endoskops und Endoskopsystem |
ES2661739T3 (es) | 2007-11-27 | 2018-04-03 | Proteus Digital Health, Inc. | Sistemas de comunicación transcorporal que emplean canales de comunicación |
US20090171148A1 (en) * | 2007-12-27 | 2009-07-02 | Shih-Chieh Lu | Capsule endoscope system having a sensing and data discriminating device and discrimination method thereof |
JP5296396B2 (ja) * | 2008-03-05 | 2013-09-25 | オリンパスメディカルシステムズ株式会社 | 生体内画像取得装置、生体内画像受信装置、生体内画像表示装置およびノイズ除去方法 |
ES2840773T3 (es) | 2008-03-05 | 2021-07-07 | Otsuka Pharma Co Ltd | Sistemas y marcadores de eventos ingeribles de comunicación multimodo |
US20090253960A1 (en) * | 2008-04-03 | 2009-10-08 | Olympus Medical Systems Corp. | Antenna unit and receiving apparatus for capsule medical apparatus |
JP2009261462A (ja) * | 2008-04-22 | 2009-11-12 | Olympus Corp | 生体観察システム及び生体観察システムの駆動方法 |
CN101569540B (zh) * | 2008-04-29 | 2011-05-11 | 香港理工大学 | 无线超声波扫描系统 |
US8406490B2 (en) | 2008-04-30 | 2013-03-26 | Given Imaging Ltd. | System and methods for determination of procedure termination |
JP5188880B2 (ja) * | 2008-05-26 | 2013-04-24 | オリンパスメディカルシステムズ株式会社 | カプセル型医療装置およびカプセル型医療装置の充電方法 |
CN102159134B (zh) | 2008-07-08 | 2015-05-27 | 普罗透斯数字保健公司 | 可摄取事件标记数据框架 |
US8540633B2 (en) | 2008-08-13 | 2013-09-24 | Proteus Digital Health, Inc. | Identifier circuits for generating unique identifiable indicators and techniques for producing same |
JP4603098B2 (ja) * | 2008-10-14 | 2010-12-22 | オリンパスメディカルシステムズ株式会社 | 医療システム |
WO2010045385A2 (en) * | 2008-10-14 | 2010-04-22 | Proteus Biomedical, Inc. | Method and system for incorporating physiologic data in a gaming environment |
WO2010057049A2 (en) * | 2008-11-13 | 2010-05-20 | Proteus Biomedical, Inc. | Ingestible therapy activator system and method |
US8055334B2 (en) * | 2008-12-11 | 2011-11-08 | Proteus Biomedical, Inc. | Evaluation of gastrointestinal function using portable electroviscerography systems and methods of using the same |
TWI503101B (zh) * | 2008-12-15 | 2015-10-11 | Proteus Digital Health Inc | 與身體有關的接收器及其方法 |
US9659423B2 (en) | 2008-12-15 | 2017-05-23 | Proteus Digital Health, Inc. | Personal authentication apparatus system and method |
US9439566B2 (en) | 2008-12-15 | 2016-09-13 | Proteus Digital Health, Inc. | Re-wearable wireless device |
CN102365084B (zh) | 2009-01-06 | 2014-04-30 | 普罗秋斯数字健康公司 | 药剂递送系统 |
CA2750158A1 (en) | 2009-01-06 | 2010-07-15 | Proteus Biomedical, Inc. | Ingestion-related biofeedback and personalized medical therapy method and system |
GB2480965B (en) | 2009-03-25 | 2014-10-08 | Proteus Digital Health Inc | Probablistic pharmacokinetic and pharmacodynamic modeling |
EP2413786B1 (en) * | 2009-03-31 | 2015-05-20 | Given Imaging, Inc., | Method of determining body exit of an ingested capsule |
US20100261976A1 (en) * | 2009-04-14 | 2010-10-14 | Tyco Healthcare Group Lp | Apparatus and System for Performing Surgery |
EA201190281A1 (ru) * | 2009-04-28 | 2012-04-30 | Протиус Байомедикал, Инк. | Высоконадежные проглатываемые отметчики режима и способы их применения |
US9149423B2 (en) | 2009-05-12 | 2015-10-06 | Proteus Digital Health, Inc. | Ingestible event markers comprising an ingestible component |
US8558563B2 (en) | 2009-08-21 | 2013-10-15 | Proteus Digital Health, Inc. | Apparatus and method for measuring biochemical parameters |
TWI517050B (zh) | 2009-11-04 | 2016-01-11 | 普羅托斯數位健康公司 | 供應鏈管理之系統 |
UA109424C2 (uk) | 2009-12-02 | 2015-08-25 | Фармацевтичний продукт, фармацевтична таблетка з електронним маркером і спосіб виготовлення фармацевтичної таблетки | |
CA2788336C (en) | 2010-02-01 | 2018-05-01 | Proteus Digital Health, Inc. | Data gathering system |
US8808170B2 (en) * | 2010-03-10 | 2014-08-19 | Mark A. Stern | Multiple-channel endoscopic biopsy sheath |
CN102665530B (zh) * | 2010-03-26 | 2014-11-26 | 奥林巴斯医疗株式会社 | 胶囊型医疗装置用引导系统以及胶囊型医疗装置的引导方法 |
US9597487B2 (en) | 2010-04-07 | 2017-03-21 | Proteus Digital Health, Inc. | Miniature ingestible device |
TWI557672B (zh) | 2010-05-19 | 2016-11-11 | 波提亞斯數位康健公司 | 用於從製造商跟蹤藥物直到患者之電腦系統及電腦實施之方法、用於確認將藥物給予患者的設備及方法、患者介面裝置 |
US8771201B2 (en) * | 2010-06-02 | 2014-07-08 | Vital Herd, Inc. | Health monitoring bolus |
EP2642983A4 (en) | 2010-11-22 | 2014-03-12 | Proteus Digital Health Inc | DEVICE INGREABLE WITH PHARMACEUTICAL PRODUCT |
CN103079452B (zh) * | 2011-02-23 | 2015-06-17 | 奥林巴斯医疗株式会社 | 位置信息估计系统 |
EP2683291B1 (en) | 2011-03-11 | 2019-07-31 | Proteus Digital Health, Inc. | Wearable personal body associated device with various physical configurations |
CN103228197B (zh) * | 2011-05-30 | 2014-07-09 | 奥林巴斯医疗株式会社 | 天线装置、天线、天线支架以及被检体内导入系统 |
JP5816469B2 (ja) * | 2011-06-16 | 2015-11-18 | オリンパス株式会社 | 生体情報取得システム及び生体情報取得システムの作動方法 |
US9756874B2 (en) | 2011-07-11 | 2017-09-12 | Proteus Digital Health, Inc. | Masticable ingestible product and communication system therefor |
WO2015112603A1 (en) | 2014-01-21 | 2015-07-30 | Proteus Digital Health, Inc. | Masticable ingestible product and communication system therefor |
KR101898964B1 (ko) | 2011-07-21 | 2018-09-14 | 프로테우스 디지털 헬스, 인코포레이티드 | 모바일 통신 장치, 시스템, 및 방법 |
JP5913870B2 (ja) * | 2011-08-31 | 2016-04-27 | オリンパス株式会社 | カプセル型医療装置 |
WO2013058277A1 (ja) * | 2011-10-21 | 2013-04-25 | オリンパスメディカルシステムズ株式会社 | アンテナ接続ユニット、受信装置、受信強度補正装置、カプセル型内視鏡システム、補正方法およびプログラム |
US9235683B2 (en) | 2011-11-09 | 2016-01-12 | Proteus Digital Health, Inc. | Apparatus, system, and method for managing adherence to a regimen |
US20130267788A1 (en) * | 2012-04-04 | 2013-10-10 | Ankon Technologies Co. Ltd. | System and Method for Orientation and Movement of Remote Objects |
EP2874886B1 (en) | 2012-07-23 | 2023-12-20 | Otsuka Pharmaceutical Co., Ltd. | Techniques for manufacturing ingestible event markers comprising an ingestible component |
JP2014023774A (ja) * | 2012-07-27 | 2014-02-06 | Olympus Corp | 生体情報取得システム |
MX340182B (es) | 2012-10-18 | 2016-06-28 | Proteus Digital Health Inc | Aparato, sistema, y metodo para optimizar adaptativamente la disipacion de energia y la energia de difusion en una fuente de energia para un dispositivo de comunicacion. |
TWI659994B (zh) | 2013-01-29 | 2019-05-21 | 美商普羅托斯數位健康公司 | 高度可膨脹之聚合型薄膜及包含彼之組成物 |
WO2014151929A1 (en) | 2013-03-15 | 2014-09-25 | Proteus Digital Health, Inc. | Personal authentication apparatus system and method |
US10175376B2 (en) | 2013-03-15 | 2019-01-08 | Proteus Digital Health, Inc. | Metal detector apparatus, system, and method |
EP3005281A4 (en) | 2013-06-04 | 2017-06-28 | Proteus Digital Health, Inc. | System, apparatus and methods for data collection and assessing outcomes |
US9796576B2 (en) | 2013-08-30 | 2017-10-24 | Proteus Digital Health, Inc. | Container with electronically controlled interlock |
EP3047618B1 (en) | 2013-09-20 | 2023-11-08 | Otsuka Pharmaceutical Co., Ltd. | Methods, devices and systems for receiving and decoding a signal in the presence of noise using slices and warping |
US9577864B2 (en) | 2013-09-24 | 2017-02-21 | Proteus Digital Health, Inc. | Method and apparatus for use with received electromagnetic signal at a frequency not known exactly in advance |
US10084880B2 (en) | 2013-11-04 | 2018-09-25 | Proteus Digital Health, Inc. | Social media networking based on physiologic information |
WO2015076756A1 (en) * | 2013-11-21 | 2015-05-28 | Singapore University Of Technology And Design | An apparatus and method for tracking a device |
WO2016021250A1 (ja) * | 2014-08-07 | 2016-02-11 | オリンパス株式会社 | アンテナホルダー、アンテナ装置、及び検査システム |
JP2018510370A (ja) * | 2015-01-23 | 2018-04-12 | インスペクトロン,インコーポレイテッド | ビデオ検査装置 |
US11051543B2 (en) | 2015-07-21 | 2021-07-06 | Otsuka Pharmaceutical Co. Ltd. | Alginate on adhesive bilayer laminate film |
MX2019000888A (es) | 2016-07-22 | 2019-06-03 | Proteus Digital Health Inc | Percepcion y deteccion electromagnetica de marcadores de evento ingeribles. |
IL265827B2 (en) | 2016-10-26 | 2023-03-01 | Proteus Digital Health Inc | Methods for producing capsules with ingestible event markers |
US11918343B2 (en) * | 2017-03-16 | 2024-03-05 | Given Imaging Ltd. | System and method for position detection of an in-vivo device |
CN108078534A (zh) * | 2017-05-08 | 2018-05-29 | 安翰光电技术(武汉)有限公司 | 便携式记录装置 |
US10824822B2 (en) * | 2019-02-05 | 2020-11-03 | International Business Machines Corporation | Magnetic tracking for medicine management |
US10679018B1 (en) | 2019-02-05 | 2020-06-09 | International Business Machines Corporation | Magnetic tracking for medicine management |
US20230190084A1 (en) * | 2021-12-16 | 2023-06-22 | Karl Storz Imaging, Inc. | Implantable Internal Observation Device and System |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6493587B1 (en) | 1999-12-23 | 2002-12-10 | Intelligent Implants Gmbh | Device for the protected operation of neuroprostheses and method therefor |
JP2003135389A (ja) * | 2001-11-06 | 2003-05-13 | Olympus Optical Co Ltd | カプセル型医療装置 |
US20030114897A1 (en) | 2001-12-19 | 2003-06-19 | Von Arx Jeffrey A. | Implantable medical device with two or more telemetry systems |
JP2004167163A (ja) * | 2002-11-22 | 2004-06-17 | Olympus Corp | カプセル型医療システム |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01305925A (ja) | 1988-06-03 | 1989-12-11 | Hitachi Ltd | 生体情報記録カプセル |
JPH04109927A (ja) | 1990-08-31 | 1992-04-10 | Toshiba Corp | 電子内視鏡装置 |
US5395366A (en) * | 1991-05-30 | 1995-03-07 | The State University Of New York | Sampling capsule and process |
IL108352A (en) * | 1994-01-17 | 2000-02-29 | Given Imaging Ltd | In vivo video camera system |
JP3156562B2 (ja) * | 1995-10-19 | 2001-04-16 | 株式会社デンソー | 車両用通信装置及び走行車両監視システム |
US8636648B2 (en) * | 1999-03-01 | 2014-01-28 | West View Research, Llc | Endoscopic smart probe |
US6811534B2 (en) * | 2000-01-21 | 2004-11-02 | Medtronic Minimed, Inc. | Ambulatory medical apparatus and method using a telemetry system with predefined reception listening periods |
ATE511785T1 (de) * | 2000-03-08 | 2011-06-15 | Given Imaging Ltd | Vorrichtung zur invivo-bildgebung |
US6629776B2 (en) * | 2000-12-12 | 2003-10-07 | Mini-Mitter Company, Inc. | Digital sensor for miniature medical thermometer, and body temperature monitor |
IL143260A (en) * | 2001-05-20 | 2006-09-05 | Given Imaging Ltd | Array and method for locating an intra-body signal source |
US6951536B2 (en) * | 2001-07-30 | 2005-10-04 | Olympus Corporation | Capsule-type medical device and medical system |
JP4744026B2 (ja) * | 2001-07-30 | 2011-08-10 | オリンパス株式会社 | カプセル内視鏡およびカプセル内視鏡システム |
US20030130567A1 (en) * | 2002-01-09 | 2003-07-10 | Mault James R. | Health-related devices and methods |
JP3581345B2 (ja) | 2001-12-13 | 2004-10-27 | 株式会社東芝 | パケット転送装置およびパケット転送方法 |
US6939290B2 (en) * | 2002-02-11 | 2005-09-06 | Given Imaging Ltd | Self propelled device having a magnetohydrodynamic propulsion system |
DE60332944D1 (de) * | 2002-08-13 | 2010-07-22 | Given Imaging Ltd | System für die probenahme und analyse in vivo |
JP2004162986A (ja) | 2002-11-12 | 2004-06-10 | Toshiba Electric Appliance Co Ltd | 冷却装置 |
-
2004
- 2004-06-23 US US10/874,337 patent/US20050043634A1/en not_active Abandoned
- 2004-06-23 WO PCT/JP2004/009228 patent/WO2004112592A1/ja active Application Filing
- 2004-06-23 EP EP10010554.3A patent/EP2263513B1/en not_active Expired - Fee Related
- 2004-06-23 EP EP04746697A patent/EP1637063B1/en not_active Expired - Fee Related
-
2007
- 2007-10-09 US US11/869,428 patent/US20080033257A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6493587B1 (en) | 1999-12-23 | 2002-12-10 | Intelligent Implants Gmbh | Device for the protected operation of neuroprostheses and method therefor |
JP2003135389A (ja) * | 2001-11-06 | 2003-05-13 | Olympus Optical Co Ltd | カプセル型医療装置 |
US20030114897A1 (en) | 2001-12-19 | 2003-06-19 | Von Arx Jeffrey A. | Implantable medical device with two or more telemetry systems |
JP2004167163A (ja) * | 2002-11-22 | 2004-06-17 | Olympus Corp | カプセル型医療システム |
Non-Patent Citations (1)
Title |
---|
See also references of EP1637063A4 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8398542B2 (en) | 2008-05-01 | 2013-03-19 | Olympus Corporation | Living body observation system and method of driving living body observation system |
CN105231998A (zh) * | 2015-10-23 | 2016-01-13 | 深圳市冠旭电子有限公司 | 一种监测睡眠的方法和装置 |
Also Published As
Publication number | Publication date |
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EP2263513A2 (en) | 2010-12-22 |
EP1637063B1 (en) | 2012-11-28 |
EP1637063A1 (en) | 2006-03-22 |
EP2263513A3 (en) | 2011-01-26 |
US20080033257A1 (en) | 2008-02-07 |
EP2263513B1 (en) | 2013-08-07 |
EP1637063A4 (en) | 2006-05-31 |
US20050043634A1 (en) | 2005-02-24 |
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