WO2005082229A1 - Système d'endoscope médical de type à capsule sans fil - Google Patents
Système d'endoscope médical de type à capsule sans fil Download PDFInfo
- Publication number
- WO2005082229A1 WO2005082229A1 PCT/CN2005/000220 CN2005000220W WO2005082229A1 WO 2005082229 A1 WO2005082229 A1 WO 2005082229A1 CN 2005000220 W CN2005000220 W CN 2005000220W WO 2005082229 A1 WO2005082229 A1 WO 2005082229A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- capsule
- microprocessor
- radio
- transceiver module
- information
- Prior art date
Links
Classifications
-
- 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
-
- 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
- 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
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/07—Endoradiosondes
- A61B5/073—Intestinal transmitters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B13/00—Transmission systems characterised by the medium used for transmission, not provided for in groups H04B3/00 - H04B11/00
-
- 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
- A61B2560/04—Constructional details of apparatus
- A61B2560/0443—Modular apparatus
- A61B2560/045—Modular apparatus with a separable interface unit, e.g. for communication
-
- 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
- A61B5/0004—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by the type of physiological signal transmitted
- A61B5/0008—Temperature signals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/03—Detecting, measuring or recording fluid pressure within the body other than blood pressure, e.g. cerebral pressure; Measuring pressure in body tissues or organs
Definitions
- the invention relates to a medical monitoring and detection device system, and particularly to a medical radio-controlled capsule endoscope system device that can enter the gastrointestinal tract for endoscopic observation.
- Digestive endoscopes include gastroscopy, colonoscopy, duodenoscopy, enteroscopy and the like. Because of its good visual field, strong controllability, the ability to perform diagnostic biopsy, endoscopic ultrasonography, and various endoscopic treatments (such as microwave, resection, etc.), it has become the most important gastrointestinal disease Means of endoscopic observation. Because the entire operation process of endoscopic examination can indeed bring some pain and even trauma to the subject, people have a certain fear of endoscopic examination. In addition, current gastroscopy, colonoscopy, duodenoscopy, enteroscopy, etc. can only observe specific parts, and cannot continuously and completely inspect the entire digestive tract.
- U.S. Patent No. 5,604,531 proposes an oral capsule radio endoscope system.
- the gastrointestinal photographic capsule consists of three parts: optical imaging, photography and image transmission. Patients who need to check the gastrointestinal tract swallow this kind of capsule. It's like a capsule device. Due to its small size, it is painless when swallowed and has no discomfort after swallowing.
- the miniature camera in the capsule can send clear images of the inside of the intestines and stomachs through the signal transmitter to the image recording device attached to the waist of the patient. After the recording is completed, the video recording device is sent to the hospital, and the doctor uses the computer to read and analyze the image data to understand the gastrointestinal disorders.
- a capsule can take up to 6 hours of imaging.
- capsule endoscope After the capsule completes its mission, it will enter the large intestine with gastrointestinal peristalsis and then be excreted from the body.
- the advantages of the capsule endoscope are obvious: it is small (currently the smallest 11.6mmX 27.2 legs), easy to swallow; easy to operate; no hospitalization is required; no complications caused by the operation; full digestive tract examination, Image data can be reviewed and analyzed repeatedly.
- capsule Endoscopes also have obvious shortcomings: The M2A capsule endoscope of the Israeli GI company works in a simplex mode. Although it has the advantage of being easy to use, it cannot achieve a capsule endoscope because the sampling frequency of the capsule endoscope cannot be adjusted in real time. For the effective examination of the whole digestive tract, it is impossible to control the ⁇ inspection process, and it is impossible to achieve a purposeful focused inspection.
- the technical problem to be solved by the present invention is to provide a medical radio capsule endoscope system, which can wirelessly send digital image information to the outside, and can wirelessly receive control instructions to control the working state and working mode of the capsule. Add pressure sensors and temperature sensors, and change the working state and mode by controlling the pressure value detected by the pressure sensors.
- the system can also transmit image information and receive control instructions to the computer medical imaging workstation through a wired or wireless terminal.
- a medical radio capsule endoscope system including a radio endoscope capsule and a portable image recorder;
- the radio endoscope capsule includes a casing, and the casing is connected to the casing.
- An optical front cover, an LED lighting array, a lens, and a power switch module which are sequentially arranged in the housing;
- the capsule is also characterized in that the capsule further includes an image sensor, a microprocessor, a radio frequency transceiver module, and a receiving and transmitting antenna, wherein the signals of the image sensor The output end is connected to the 1/0 of the microprocessor.
- the microprocessor converts the received image information into a compressed JPEG format and sends it to the data receiving end of the RF transceiver module.
- the RF transceiver module sends it to the portable image recorder through the antenna. Information;
- the RF transceiver module sends the control instructions sent by the image recorder received by the antenna to the microprocessor for processing by its 110 port to control the working mode and working state of the LED lighting array, image sensor and RF transceiver module.
- portable image recorder including transceiver antenna array, radio frequency receiver
- the radio frequency transceiver module of the portable image recorder can also send information from the microprocessor control port of the portable image recorder to the wireless terminal of the computer medical imaging workstation. Or, the information received from the wireless terminal of the computer medical imaging workstation received by the antenna array is connected to the microprocessor through a bus, and after processing, it is sent to the capsule.
- the radio endoscope capsule is small in size and light in weight, and the patient has no fear after taking it; it does not affect walking and daily activities during the inspection; simple operation; no Requires hospitalization; no complications caused by operation; can achieve a complete digestive tract examination, image data for doctors to review and analyze repeatedly.
- the radio endoscopy capsule can be controlled outside the body at any time during the inspection, and the working state of the radio endoscopy capsule can be managed by detecting the pressure.
- the radio endoscopy capsule system can not only wirelessly transmit images of the internal digestive tract in real time, Moreover, the temperature and pressure information in the internal digestive tract are simultaneously transmitted to the portable image recorder in real time; information can also be exchanged with the computer medical imaging workstation through a wireless terminal.
- FIG. 1 is a schematic structural sectional view of a radio endoscope capsule
- FIG. 2 is a circuit schematic diagram of an embodiment of a radio endoscope capsule
- FIG. 3 is a circuit schematic diagram of a magnetic switch module of the radio endoscope capsule 1
- FIG. 4 is a schematic diagram of Embodiment 1 of the present invention
- FIG. 6 is a schematic diagram of Embodiment 2 of the present invention
- FIG. 7 is a schematic diagram of a portable image recorder according to Embodiment 2 of the present invention
- FIG. 9 is a schematic diagram of a portable image recorder according to Embodiment 3 of the present invention.
- A radio endoscope capsule
- B portable image recorder
- C storage medium
- D storage medium reader
- E computer medical imaging workstation
- F portable image recorder antenna array
- G USB wireless terminal
- H-GPRS or CDMA
- GSM wireless local area network
- WLAN wireless local area network
- 1-intestinal tract 2-optical front cover
- 4-optical lens 5-image sensor
- 6_ microprocessor 7 —Battery
- 8 magnettic switch module
- 9 RF transceiver module
- 10 antagonistenna
- 11A temperature sensor
- 11B pressure sensor
- 12 case
- 13 RF transceiver module
- 14 microprocessor
- 15 storage Unit
- 16 battery-battery.
- the invention includes a radio endoscope capsule A, a portable image recorder B and its antenna array F, a wireless terminal connected to a computer medical imaging workstation E, a storage medium C and a storage medium reader D; the antenna array F is The unit consists of a patient wearing an antenna array F around the abdomen through a special vest. One of its functions is to better accept the data from radio endoscope capsule A, and the other is to provide information for the positioning of radio endoscope capsule A in the body. .
- FIG. 1 is a cross-sectional structure of an embodiment of a radio endoscope capsule A in the intestinal wall 1.
- the radio endoscope capsule is from the left to the right, the optical front cover 2, the white LED array 3, the lens 4, the image sensor 5, the microprocessor 6, the button battery 7, the magnetic switch module 8, the RF transceiver module 9, the antenna 10, and the implementation.
- a temperature sensor 11A or I and a pressure sensor 11B are added, in which the housing 12 and the optical front cover 2 are integrally bonded.
- the pressure sensor 11B is installed close to the inner wall of the housing.
- the working principle of the system is: White light reflected from the inner wall of the gastrointestinal tract passes through the optical front cover 2 and is imaged on the photosensitive surface of the image sensor 5 through the lens 4.
- the photoelectric signal corresponding to the image of the inner wall of the gastrointestinal wall 1 is obtained by photoelectric conversion.
- Processing of signal processing functions such as analog-to-digital conversion, image signal processing, JPEG encoding and decoding, etc., are stored in the microprocessor 6 in the radio endoscope capsule 1, and finally received by the radio frequency
- the sending module sends image information or receives external instruction information.
- the image sensor 5 in the figure may use a CMOS or CCD image sensor in the embodiment, such as a VS6552 image sensor produced by ST Microelectronics.
- Microprocessor MCU6 can use MSP340 series chip as the core structure, and RF transceiver module can use MK70110 chip.
- the outputs of the temperature sensor 11A and the pressure sensor 11B are connected to the I / O of the microprocessor.
- the magnetic switch module 8 of the present invention is in an off state when it is in a magnetic field.
- the magnetic switch is in an on state.
- Module 8 includes a magnetically controlled switch S1 and a field effect transistor Q1.
- S1 When S1 is closed, the field effect transistor is 0, which is less than the threshold voltage of the field effect transistor. Therefore, the field effect transistor is turned off, and the effect transistor Q1 blocks the battery from In the path between the load circuits, the battery cannot power the load circuit.
- V « s is that the battery voltage is greater than the threshold voltage of the FET, so the MOSFET Q1 is on, and the battery is connected to the load circuit through the MOSFET Q1. The battery powers the load circuit.
- FIGS 4 and 5 show Embodiment 1 of the present invention.
- the power-on process of the radio endoscope capsule A refers to removing the magnet controlling the magnetic switch module, and the power circuit of the capsule is turned on by the magnetic switch module 8 in the radio endoscope capsule A.
- the first purpose is to check whether the radio endoscope capsule A is working normally.
- the second purpose is to complete the configuration data of the radio endoscope capsule A by the portable image recorder B. Download.
- the configuration data of the radio endoscope capsule A refers to the specific working method of the radio endoscope capsule including image resolution, image acquisition frame rate, and exposure time. Whether the radio endoscope capsule works normally can be achieved by checking whether the configuration data download is successful. After the radio endoscope capsule successfully downloads the configuration data, it is in a working state and works in accordance with the program of the microprocessor of the radio endoscope capsule. It takes pictures in real time, records the temperature in the radio endoscope capsule, and applies the radio The pressure on the capsule is endoscopically processed, and then transmitted to the portable image recorder B by radio frequency.
- the miniature camera system in the radio endoscope capsule can transmit the image, temperature, and pressure of the human gastrointestinal and digestive tract, especially the inner wall of the small intestine, through a radio frequency transmission at a set frame rate.
- the portable image recorder B worn by the human body the image, temperature, and pressure information recorded in the storage medium C are read into the computer medical imaging workstation E by the storage medium reader D for processing, display, and analysis.
- the method of using the radio endoscope capsule A is the same as that of the first embodiment.
- the difference is that the information is transmitted by the portable image recorder B to the USB wireless terminal G connected to the computer medical imaging workstation E by radio frequency, or receives the information sent from the USB wireless terminal G connected to the computer medical imaging workstation E. After the micro-processing, it is sent to the capsule through the antenna F.
- the miniature camera system in the radio endoscopy capsule can transmit the image, temperature and pressure of the human gastrointestinal and digestive tract, especially the inner wall of the small intestine, by wireless radio frequency transmission at a set frame rate. It is transmitted to the portable image recorder worn by the human body, and the portable image recorder worn by the human body transmits the data to the USB wireless terminal G connected to the computer medical imaging workstation E, so that the doctor can check the patient's stomach Gastrointestinal image, temperature and pressure information, and the radio endoscope capsule can be controlled in real time according to the situation including image resolution, frame rate, exposure time, temperature sensing and pressure sensing, etc. to obtain as much and necessary Information inside the digestive tract.
- the RF transceiver module 13 in the present invention has a multi-channel operating mode with up to 125 passages, and the switching speed between channels is less than 200 ⁇ s.
- the radio endoscope capsule system according to the present invention can be used to check multiple diseases simultaneously in the application in Embodiment 2. People. Moreover, the examination data of multiple patients can be completely recorded in the computer medical imaging workstation for further processing, display and analysis.
- Embodiment 3 combines the advantages of Embodiment 1 and Embodiment 2 to implement a mobile endoscope capsule system mobile application through a “common packet radio service” GPRS mobile network.
- Embodiment 3 has an embodiment
- the third embodiment can implement real-time inspection and control the working state of the radio endoscope capsule in real time through the GPRS mobile network.
- it is necessary to first perform data exchange with the portable image recorder when the radio endoscope capsule is powered on, and then exchange data between the portable image recorder and the GPRS terminal H, which is moved by GPRS
- the network exchanges data with the USB wireless terminal G of the computer medical imaging workstation E.
- the information is transmitted to the USB wireless terminal 6 connected to the computer medical imaging workstation E by radio frequency.
- the miniature camera system in the radio endoscope capsule can transmit the image, temperature, and pressure of the human gastrointestinal and digestive tract, especially the inner wall of the small intestine, through a radio frequency transmission at a set frame rate.
- the portable image recorder worn by the human body transmits data to and exchanges data between the GPRS terminal H, and the GPRS terminal sends the data to the USB wireless terminal of the computer medical imaging workstation E through the GPRS mobile network G.
- the doctor can move, check the gastrointestinal tract images, temperature and pressure information of the patient's gastrointestinal tract in real time, and can control the radio endoscope capsule including image resolution, acquisition frame rate, exposure time, temperature in real time according to the situation. Sensing and pressure sensing work status, get as much and necessary information in the digestive tract. Because of the RF transceiver module of the present invention, having up to 125 multichannel operation mode, and the switching speed between by less than 200 ⁇ 3. In the application of the third embodiment of the radio plastic integrated endoscope system of the present invention, the number of The portable image recorder and radio telescope capsules worn by the person under investigation interfere with each other and have a more free use environment.
- the simultaneous examination of multiple patients is realized, and the doctor can also control the working status of the capsule A in different patients in real time in real time, and the examination data of multiple patients can be completely recorded in the computer medical imaging workstation for future use. For further processing, display and analysis.
Description
Claims
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2005216582A AU2005216582B2 (en) | 2004-02-28 | 2005-02-24 | Medical wireless capsule-type endoscope system |
EA200601629A EA010776B1 (ru) | 2004-02-28 | 2005-02-24 | Медицинская беспроводная эндоскопическая система капсульного типа |
BRPI0507232-8A BRPI0507232A (pt) | 2004-02-28 | 2005-02-24 | sistema de endoscópio médico do tipo cápsula sem fio |
AP2006003744A AP2006003744A0 (en) | 2004-02-28 | 2005-02-24 | Medical wireless capsuletype endoscope system |
KR1020067017207A KR101111672B1 (ko) | 2004-02-28 | 2005-02-24 | 의료용 무선 캡슐형 내시경 시스템 |
CA2558091A CA2558091C (en) | 2004-02-28 | 2005-02-24 | Medical wireless capsule-type endoscope system |
US10/598,347 US20080249360A1 (en) | 2004-02-28 | 2005-02-24 | Medical Wireless Capsule-Type Endoscope System |
EP05714756A EP1719446A4 (en) | 2004-02-28 | 2005-02-24 | MEDICAL WIRELESS ENDOSCOPY SYSTEM FROM CAPSULE TYPE |
JP2007500033A JP2007523703A (ja) | 2004-02-28 | 2005-02-24 | 医用無線カプセル型内視鏡システム |
HR20060314A HRP20060314A2 (en) | 2004-02-28 | 2006-09-22 | Medical wireless capsule-type endoscope system |
NO20064387A NO20064387L (no) | 2004-02-28 | 2006-09-28 | Medisinsk, tradlos, innkapslet endoskosystem |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100219335A CN1284505C (zh) | 2004-02-28 | 2004-02-28 | 医用无线电胶囊式内窥系统 |
CN200410021933.5 | 2004-02-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005082229A1 true WO2005082229A1 (fr) | 2005-09-09 |
Family
ID=34440927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2005/000220 WO2005082229A1 (fr) | 2004-02-28 | 2005-02-24 | Système d'endoscope médical de type à capsule sans fil |
Country Status (14)
Country | Link |
---|---|
US (1) | US20080249360A1 (zh) |
EP (1) | EP1719446A4 (zh) |
JP (1) | JP2007523703A (zh) |
KR (1) | KR101111672B1 (zh) |
CN (1) | CN1284505C (zh) |
AP (1) | AP2006003744A0 (zh) |
AU (1) | AU2005216582B2 (zh) |
BR (1) | BRPI0507232A (zh) |
CA (1) | CA2558091C (zh) |
EA (1) | EA010776B1 (zh) |
HR (1) | HRP20060314A2 (zh) |
NO (1) | NO20064387L (zh) |
WO (1) | WO2005082229A1 (zh) |
ZA (1) | ZA200607444B (zh) |
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EP1719446A1 (en) | 2006-11-08 |
AP2006003744A0 (en) | 2006-10-31 |
BRPI0507232A (pt) | 2007-06-26 |
CA2558091C (en) | 2012-04-24 |
AU2005216582A1 (en) | 2005-09-09 |
AU2005216582B2 (en) | 2010-10-28 |
CN1559337A (zh) | 2005-01-05 |
US20080249360A1 (en) | 2008-10-09 |
KR101111672B1 (ko) | 2012-02-17 |
KR20070018858A (ko) | 2007-02-14 |
NO20064387L (no) | 2006-09-28 |
ZA200607444B (en) | 2010-10-27 |
HRP20060314A2 (en) | 2006-12-31 |
CA2558091A1 (en) | 2005-09-09 |
EA200601629A1 (ru) | 2007-04-27 |
EP1719446A4 (en) | 2009-05-27 |
EA010776B1 (ru) | 2008-10-30 |
JP2007523703A (ja) | 2007-08-23 |
CN1284505C (zh) | 2006-11-15 |
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