CN114468951A - Capsule endoscope system - Google Patents
Capsule endoscope system Download PDFInfo
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- CN114468951A CN114468951A CN202210060960.1A CN202210060960A CN114468951A CN 114468951 A CN114468951 A CN 114468951A CN 202210060960 A CN202210060960 A CN 202210060960A CN 114468951 A CN114468951 A CN 114468951A
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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
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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
- A61B1/00002—Operational features of endoscopes
- A61B1/00004—Operational features of endoscopes characterised by electronic signal processing
- A61B1/00009—Operational features of endoscopes characterised by electronic signal processing of image signals during a use of endoscope
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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
- A61B1/00002—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
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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
- A61B1/045—Control thereof
Abstract
The invention discloses a capsule endoscope system, comprising: the capsule endoscope is used for acquiring and sending image data signals and real-time working attitude signals of the capsule endoscope in a detected body; the first antenna is used for receiving data signals sent by the capsule endoscope outside the detected body and sending the data signals to the data receiving instrument; the data receiver is used for storing a database in which the working posture of the capsule endoscope and the optimal alignment position of the first antenna are in one-to-one correspondence, reading out the real-time working posture of the capsule endoscope based on the received real-time working posture signal, calling the corresponding optimal alignment position from the database according to the real-time working posture, generating a control command and sending the control command to the antenna control unit; and the antenna control unit is used for driving the first antenna to move to the corresponding optimal alignment position according to the control instruction so as to receive the data signal sent by the capsule endoscope. The capsule endoscope system provided by the invention solves the problem that the antenna cannot be positioned at the optimal signal receiving position to receive signals.
Description
Technical Field
The invention belongs to the technical field of medical equipment, and particularly relates to a capsule endoscope system.
Background
The capsule gastroscope is totally called as a magnetic control capsule gastroscope system, and the stomach examination can be completed only by the patient swallowing one capsule endoscope. Through the system, a doctor can control the motion of the capsule in the stomach through software and an external magnetic field accurately controlled in real time, change the posture of the capsule and shoot a picture of focus according to a required angle, so that the aims of comprehensively observing the gastric mucosa and making diagnosis are fulfilled. During the process, the images are wirelessly transmitted to the portable recorder, and after the data is exported, the images can be continuously played back so as to improve the accuracy of diagnosis. In wireless transmission, the main component carrier is an antenna inside the capsule, and since the antenna has a certain directivity when transmitting signals, that is, the signals are strong in a certain direction, the transmitted data is good, and the signals in the rest spaces are weak, the receiver cannot receive the data.
At present, the technical field of capsule endoscope medical equipment solves the problem that a transmission signal of an antenna in a capsule endoscope can be received by a receiver through the following scheme. The patient wears a ring-shaped belt on the waist, a plurality of receiving antennas are arranged in the belt, and the belt is connected to the recorder. And (II) circularly pasting the top ends of a plurality of antennas on a plurality of position points of the waist of the patient, and intensively connecting the antennas to the recorder. In both solutions, when the capsule is in operation, the antenna is continuously switched to search for a signal which is relatively good to receive data, so that the integrity of the received data is ensured.
The two methods are adopted because the position of the capsule is changed continuously when the capsule passes through the human body. The wireless signal has larger attenuation in the human body, and the attenuation can be rapidly increased along with the increase of the distance between the capsule and the receiving antenna. In order to reduce data loss, a plurality of receiving antennas are arranged on a human body, and the antennas are switched continuously to find the antenna with relatively optimal data signal strength for data reception. However, the antenna is generally placed at a fixed position according to experience, and the antenna placed fixedly cannot be adapted to all patients due to differences of heights, weights, waistlines and the like of people. When the receiving antennas are switched and all the receiving antennas cannot achieve ideal receiving signals, errors and losses of received data are easily caused. Therefore, in the capsule endoscopy process, how to make the antenna in the best receiving position and stably receive data is a problem faced by the prior art.
In addition, the signal emitted by the antenna also has certain directivity. When the antenna with stronger directivity is used, the antenna is positioned at the optimal receiving position when the capsule sends data each time, and the integrity of the received data cannot be ensured. Therefore, only an antenna with a small gain and low directivity can be selected. To ensure that the receiving antennas are in good receiving positions with the capsule in real time, the existing solution is to use dual antennas, where the two antennas receive the capsule signal at the same time and move to the side with higher signal strength after comparing with each other. Although the problem of signal receiving with strong directivity is solved, the practical realization operation difficulty is high, and the large-scale production is not facilitated.
Disclosure of Invention
In view of the defects in the prior art, the invention provides a capsule endoscope system to solve the problem that the existing antenna cannot be positioned at the optimal signal receiving position to receive the signal sent by the capsule endoscope.
In order to solve the above problems, the present invention provides a capsule endoscope system comprising:
the capsule endoscope is used for acquiring and sending data signals in a detected body, and the data signals comprise image data signals and real-time working posture signals of the capsule endoscope;
the first antenna is used for receiving the data signal sent by the capsule endoscope outside the detected body and sending the data signal to the data receiving instrument;
the data receiver is used for storing a database in which the working posture of the capsule endoscope and the optimal alignment position of the first antenna are in one-to-one correspondence, reading out the real-time working posture of the capsule endoscope based on the received real-time working posture signal, calling the corresponding optimal alignment position from the database according to the real-time working posture, generating a control command and sending the control command to the antenna control unit;
and the antenna control unit is used for driving the first antenna to move to a corresponding optimal alignment position according to the control instruction so as to receive the data signal sent by the capsule endoscope.
Preferably, an attitude sensor is arranged in the capsule endoscope, the attitude sensor collects real-time working attitude signals of the capsule endoscope, and the real-time working attitude signals comprise position signals and angle signals.
Preferably, the attitude sensor includes an angle sensor and a speed sensor.
Preferably, the capsule endoscope comprises a capsule shell, and the attitude sensor, the image acquisition device, the main control circuit module, the power management module, the battery, the wireless transceiver module, the magnetic induction module and the second antenna are arranged inside the capsule shell.
Preferably, the magnetic induction module comprises a permanent magnet.
Preferably, the first antenna is arranged on a circular track, and the first antenna is arranged to be movable up and down in a direction perpendicular to the plane of the track; the antenna control unit is configured to drive the first antenna to move on the circular orbit and drive the first antenna to move up and down.
Preferably, the data receiver comprises a data receiving module and a data storage module.
The invention also provides a method for establishing the database, which comprises the following steps:
s101, placing the capsule endoscope on equipment capable of rotating and adjusting an angle, and arranging a first antenna on the periphery of the equipment;
s102, fixing the capsule endoscope in a first working posture;
s103, adjusting the alignment position of the first antenna, collecting signals received by the first antenna in real time through the data receiver, determining the optimal signal receiving position, and obtaining the optimal alignment position corresponding to the first working posture;
s104, adjusting the capsule endoscope to a second working posture, and obtaining an optimal alignment position corresponding to the second working posture in the manner of the step S103;
and S105, continuously adjusting the working posture of the capsule endoscope and obtaining the corresponding optimal alignment position by referring to the step S104, and establishing a complete database in which the working posture of the capsule endoscope corresponds to the optimal alignment position of the first antenna one by one.
Preferably, the capsule endoscope system further comprises a magnetic control device which controls the movement of the capsule endoscope in the subject by magnetic induction.
Preferably, the capsule endoscope system further comprises an image workstation connected with the data receiver for displaying image data signals received by the data receiver.
In the capsule endoscope system provided by the embodiment of the invention, the capsule endoscope collects and sends the real-time working attitude signal of the capsule endoscope to the first antenna outside the detected body, the first antenna sends the received real-time working attitude signal to the data receiver, the data receiver decodes and reads the real-time working attitude of the capsule endoscope based on the received real-time working attitude signal of the capsule endoscope, and calls the corresponding optimal alignment position of the first antenna from the data library of the data receiver according to the real-time working attitude of the capsule endoscope to generate a control instruction and send the control instruction to the antenna control unit, the antenna control unit drives the first antenna to move to the corresponding optimal alignment position, namely the optimal signal receiving position of the first antenna according to the control instruction, and the first antenna is always at the optimal signal receiving position no matter what attitude the capsule endoscope is in the detected body, the integrity of the received data is guaranteed.
Drawings
FIG. 1 is a schematic view of a capsule endoscopic system provided in the present embodiment;
fig. 2 is a schematic diagram of the internal components of the capsule endoscope provided in the present embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Examples of these preferred embodiments are illustrated in the accompanying drawings. The embodiments of the invention shown in the drawings and described in accordance with the drawings are exemplary only, and the invention is not limited to these embodiments.
It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the scheme according to the present invention are shown in the drawings, and other details not so relevant to the present invention are omitted.
Fig. 1 is a schematic view of a capsule endoscope system provided in the present embodiment. As shown in fig. 1, the capsule endoscope system includes: capsule endoscope 1, first antenna 2, data receiver 3 and antenna control unit 4.
The capsule endoscope 1 is used for collecting data signals in a detected body and sending the data signals, and the data signals comprise image data signals and real-time working posture signals of the capsule endoscope 1.
The first antenna 2 is used for receiving data signals sent by the capsule endoscope 1 outside the subject and sending the data signals to the data receiver 3.
The data receiving instrument 3 stores a database in which the working postures of the capsule endoscope 1 and the optimal alignment positions of the first antennas 2 are in one-to-one correspondence, resolves and reads the real-time working postures of the capsule endoscope 1 based on the received real-time working posture signals, transfers the corresponding optimal alignment positions from the database according to the real-time working postures, generates a control command, and sends the control command to the antenna control unit 4.
The antenna control unit 4 is used for driving the first antenna 2 to move to a corresponding optimal alignment position according to the control instruction so as to receive the data signal sent by the capsule endoscope 1.
In particular, the first antenna 2 is arranged on a circular track and can be moved up and down in a direction perpendicular to the plane of the track. The antenna control unit 4 is configured to drive the first antenna 2 to move on the circular orbit and to drive the first antenna 2 to move up and down. By controlling the first antenna 2 to move on the circular orbit and combining the up-and-down movement, the best alignment position is matched in real time, that is, the first antenna 2 can be moved to the best signal receiving position.
In the capsule endoscope system provided in the above embodiment, the capsule endoscope 1 transmits its own real-time working posture signal to the first antenna 2 outside the subject, the first antenna 2 transmits the received real-time working posture signal to the data receiver 3, the data receiver 3 decodes and reads the real-time working posture of the capsule endoscope 1 based on the received real-time working posture signal, retrieves the corresponding optimal alignment position of the first antenna 2 from the database according to the real-time working posture of the capsule endoscope 1, generates a control command and transmits the control command to the antenna control unit 4, and the antenna control unit 4 drives the first antenna 2 to move to the corresponding optimal alignment position, that is, the optimal signal receiving position of the first antenna 2 according to the control command, regardless of the posture of the capsule endoscope 1 inside the subject, the first antenna 2 is located at the optimal signal receiving position all the time to receive the signals sent by the capsule endoscope 1, and the integrity of received data is guaranteed.
In a preferred scheme, as shown in fig. 2, fig. 2 is a schematic view of an internal component of the capsule endoscope provided in this embodiment, an attitude sensor 11 is disposed in the capsule endoscope 1, and the attitude sensor 11 collects a real-time working attitude signal of the capsule endoscope 1, where the real-time working attitude signal includes a position signal and an angle signal.
In a preferred embodiment, the attitude sensor 11 includes an angle sensor and a speed sensor.
Specifically, angle sensor is used for detecting gather real-time work the rotation angle signal of capsule endoscope 1, speed sensor is used for detecting gather real-time work the velocity signal of capsule endoscope 1 can clearly know through velocity signal the running distance and the orbit of capsule endoscope 1 in the examinee adopt angle sensor with speed sensor is convenient for capsule endoscope 1 is complete with the work attitude information collection of self.
In a preferred scheme, as shown in fig. 2, the capsule endoscope 1 includes a capsule shell 12, and the attitude sensor 11, the image acquisition device 13, the main control circuit module 14, the power management module 15, the battery 16, the wireless transceiver module 17, the magnetic induction module 18 and the second antenna 19 which are arranged inside the capsule shell 12.
Specifically, the magnetic induction module 18 includes a permanent magnet that generates magnetic induction to facilitate movement of the capsule endoscope 1 within the subject.
Specifically, the image acquisition device 13 is configured to acquire image data inside the subject, and transmit the image data to the wireless transceiver module 17 through the main control circuit module 14, and in addition, the real-time working posture signal of the capsule endoscope 1 acquired by the posture sensor 11 is also transmitted to the wireless transceiver module 17, where the wireless transceiver module 17 includes a control chip and a peripheral circuit.
The main control circuit module 14 is connected to the power management module 15, and the main control circuit module 14 is configured to receive an image data signal transmitted by the capsule endoscope 1 and send an instruction whether the capsule endoscope 1 operates.
The battery 16 is a silver oxide battery, and the power management module 15 includes a magnetic switch and a control circuit, the magnetic switch is preferably a giant magnetoresistance device, and the control circuit is preferably a power management chip control circuit.
With reference to fig. 1 and fig. 2, the second antenna 19 is connected to the wireless transceiver module 17, and on one hand, the second antenna 19 transmits image data received by the wireless transceiver module 17; on the other hand, the second antenna 19 receives the real-time operation posture signal of the capsule endoscope 1 collected by the posture sensor 11 and transmits the signal to the second antenna 2 outside the subject, and the first antenna 2 transmits the real-time operation posture signal of the capsule endoscope 1 to the data receiver 3.
In a preferred embodiment, as shown in fig. 1, the data receiver 3 includes a data receiving module and a data storage module.
Specifically, a data receiving module in the data receiving instrument 3 is configured to receive information sent to the data receiving instrument 3, and a data storage module is configured to store a database in which the working postures of the capsule endoscope 1 correspond to the optimal alignment positions of the first antennas 2 one by one, and store information received by the data receiving module.
The invention also provides a method for establishing the database, which comprises the following steps:
the database establishing method comprises the following steps:
s101, placing the capsule endoscope on equipment capable of rotating and adjusting the angle, and arranging the first antenna on the periphery of the equipment.
S102, fixing the capsule endoscope in a first working posture.
S103, adjusting the alignment position of the first antenna, collecting signals received by the first antenna in real time through the data receiver, determining the optimal signal receiving position, and obtaining the optimal alignment position corresponding to the first working posture.
S104, adjusting the capsule endoscope to a second working posture, and obtaining the optimal alignment position corresponding to the second working posture in the manner of the step S103.
And S105, continuously adjusting the working posture of the capsule endoscope and obtaining the corresponding optimal alignment position by referring to the step S104, and establishing a complete database in which the working posture of the capsule endoscope corresponds to the optimal alignment position of the first antenna one by one.
In a preferred scheme, as shown in fig. 1, the capsule endoscope system further comprises a magnetic control device 5, wherein the magnetic control device 5 controls the movement of the capsule endoscope 1 in the detected body through magnetic induction.
Specifically, as shown in fig. 1 and 2, the magnetic control device 5 cooperates with the permanent magnet in the magnetic induction module 18 to control the movement of the capsule endoscope 1 in the subject, and guides the moving direction and the rotation angle of the capsule endoscope 1 in the subject by means of a magnetic field, so as to facilitate the capsule endoscope 1 to better collect image data.
In a preferred scheme, as shown in fig. 1, the capsule endoscope system further comprises an image workstation 6, wherein the image workstation 6 is connected with the data receiver 3 and is used for displaying image data signals received by the data receiver 3.
Specifically, as shown in fig. 1 and 2, the image workstation 6 includes a computer and software for displaying images. The second antenna 19 transmits the image data signal received by the wireless transceiver module 17 to the first antenna 2, the image data signal is received by the first antenna 2 and transmitted to the data receiver 3, the data receiver 3 receives the image data signal and transmits the image data signal to the image workstation 6, and a computer and software for displaying images display the image data signal received by the data receiver 3.
To sum up, in the capsule endoscope system according to the embodiment of the present invention, the capsule endoscope sends its own real-time working attitude signal to the first antenna outside the subject, the first antenna sends the received real-time working attitude signal to the data receiver, the data receiver decodes the real-time working attitude of the capsule endoscope based on the received real-time working attitude signal of the capsule endoscope, retrieves the optimal alignment position of the corresponding first antenna from the database of the data receiver according to the real-time working attitude of the capsule endoscope, generates a control command and sends the control command to the antenna control unit, the antenna control unit drives the first antenna to move to the corresponding optimal alignment position, that is, the optimal signal receiving position of the first antenna according to the control command, and the first antenna is constantly in the optimal signal receiving position to receive the signal sent by the capsule endoscope no matter what attitude the capsule endoscope is in the subject, the directivity of coupling of the inner antenna and the outer antenna of the wireless signal is optimized, the integrity of received data is guaranteed, meanwhile, the first antenna does not need to be worn by a detected body, and when the second antenna in the capsule endoscope in the detected body uses a better directional antenna, the first antenna can be linked to be located at the best signal receiving position at any time according to the position and the angle of the capsule endoscope in the detected body, so that the anti-interference performance of the signal is improved.
The foregoing is directed to embodiments of the present application and it is noted that numerous modifications and adaptations may be made by those skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.
Claims (10)
1. A capsule endoscopic system, comprising:
the capsule endoscope (1) is used for collecting and sending data signals in a detected body, and the data signals comprise image data signals and real-time working posture signals of the capsule endoscope (1);
the first antenna (2) is used for receiving the data signal sent by the capsule endoscope (1) outside the detected body and sending the data signal to the data receiving instrument (3);
the data receiving instrument (3) is used for storing a database in which the working posture of the capsule endoscope (1) and the optimal alignment position of the first antenna (2) are in one-to-one correspondence, reading out the real-time working posture of the capsule endoscope (1) based on the received real-time working posture signal, calling the corresponding optimal alignment position from the database according to the real-time working posture, generating a control command and sending the control command to the antenna control unit (4);
and the antenna control unit (4) is used for driving the first antenna (2) to move to a corresponding optimal alignment position according to the control instruction so as to receive the data signal sent by the capsule endoscope (1).
2. The capsule endoscopic system of claim 1, wherein an attitude sensor (11) is provided inside the capsule endoscope (1), the attitude sensor (11) collecting real-time working attitude signals of the capsule endoscope (1), the real-time working attitude signals comprising position signals and angle signals.
3. The capsule endoscopic system of claim 2, wherein the attitude sensor (11) comprises an angle sensor and a speed sensor.
4. The capsule endoscopic system of claim 2 or 3, wherein the capsule endoscope (1) comprises a capsule housing (12) and the attitude sensor (11), the image acquisition device (13), the main control circuit module (14), the power management module (15), the battery (16), the wireless transceiver module (17), the magnetic induction module (18) and the second antenna (19) arranged inside the capsule housing (12).
5. The capsule gastroscope system according to claim 4, characterized in that the magnetic induction module (18) comprises a permanent magnet.
6. The capsule endoscopic system of claim 1, wherein the first antenna (2) is arranged on a circular track and the first antenna (2) is arranged movable up and down in a direction perpendicular to the track plane; the antenna control unit (4) is configured to drive the first antenna (2) to move on the circular orbit and drive the first antenna (2) to move up and down.
7. The capsule endoscopic system of claim 1, wherein said data receiver (3) comprises a data receiving module and a data storage module.
8. The capsule endoscopic system of claim 1, wherein the database building method comprises the steps of:
s101, placing the capsule endoscope on equipment capable of rotating and adjusting an angle, and arranging a first antenna on the periphery of the equipment;
s102, fixing the capsule endoscope in a first working posture;
s103, adjusting the alignment position of the first antenna, collecting signals received by the first antenna in real time through the data receiver, determining the optimal signal receiving position, and obtaining the optimal alignment position corresponding to the first working posture;
s104, adjusting the capsule endoscope to a second working posture, and obtaining an optimal alignment position corresponding to the second working posture in the manner of the step S103;
and S105, continuously adjusting the working posture of the capsule endoscope and obtaining the corresponding optimal alignment position by referring to the step S104, and establishing a complete database in which the working posture of the capsule endoscope corresponds to the optimal alignment position of the first antenna one by one.
9. The capsule endoscopic system of claim 1, further comprising a magnetic control device (5), the magnetic control device (5) controlling the movement of the capsule endoscope (1) within the subject by magnetic induction.
10. The capsule endoscopic system of claim 1, further comprising an image workstation (6), said image workstation (6) being connected with said data receiver (3) for displaying image data signals received by said data receiver (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210060960.1A CN114468951A (en) | 2022-01-19 | 2022-01-19 | Capsule endoscope system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210060960.1A CN114468951A (en) | 2022-01-19 | 2022-01-19 | Capsule endoscope system |
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| Publication Number | Publication Date |
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| CN114468951A true CN114468951A (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210060960.1A Pending CN114468951A (en) | 2022-01-19 | 2022-01-19 | Capsule endoscope system |
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| CN (1) | CN114468951A (en) |
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- 2022-01-19 CN CN202210060960.1A patent/CN114468951A/en active Pending
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