Capsule type ultrasonic endoscope

By integrating an endoscopic ultrasound into a microcapsule and using a motor to rotate it for examination, the problem of secondary trauma to patients caused by existing endoscopic ultrasound procedures has been solved, achieving non-invasive and safe gastrointestinal examination.

CN223746395UActive Publication Date: 2026-01-02SUZHOU WUJIANG DISTRICT HOSPITAL OF TRADITIONAL CHINESE MEDICINE (SECOND PEOPLES HOSPITAL OF WUJIANG DISTRICT SUZHOU CITY)
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Patent Information

Application Number
CN202423020469.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2026-01-02
Estimated Expiration
2034-12-06

AI Technical Summary

Technical Problem

Current endoscopic ultrasound procedures pose safety risks during operation and may cause secondary trauma to patients, such as ventilation obstruction, abrasions, and disease transmission.

Method used

A capsule-type ultrasound endoscope is designed, integrating a motor and a detection device. It performs examinations by rotating a microcapsule inside the body and uses radio frequency communication to transmit information, thereby reducing damage to the intestinal mucosa.

Benefits of technology

It enables non-invasive examinations, reduces secondary trauma to patients, and improves the safety and convenience of the examination.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a capsule type ultrasonic endoscope, which belongs to the technical field of medical auxiliary appliances, and comprises a motor, a detection device and a mounting inclined plane, the motor is in coaxial transmission connection with the detection device, the end part of the motor is provided with a reed switch, the reed switch is in circuit connection with the motor, and the reed switch is a magnetic reed switch. When the reed switch is close to the permanent magnet or the electromagnetic coil, the reed switch is closed under the action of a magnetic field. Therefore, during use, the motor is powered on and started due to connection of the reed switch, and the detection device is driven to rotate. Besides, a mounting slope is arranged on the detection device, a transmitting transducer is arranged in the middle of the mounting slope and used for converting electric energy into high-frequency ultrasonic waves, and a receiving transducer is arranged on the outer side of the transmitting transducer and used for converting the ultrasonic waves reflected by the human body into electric signals, converting the electric signals into wireless signals and outputting the wireless signals to the outside of a patient for analysis.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical auxiliary instrument technical field, concretely relates to a capsule type ultrasonic endoscope. BACKGROUND

[0002] The ultrasonic endoscope (EUS) is a digestive tract examination technology combining endoscope and ultrasound, a micro high-frequency ultrasonic probe is arranged at the top end of the endoscope, when the endoscope is inserted into the body cavity, the ultrasonic wave under the endoscope can be used to scan in real time, so that the histological characteristics of the hierarchical structure of the gastrointestinal tract and the ultrasonic image of the surrounding adjacent organs are obtained, so that the diagnostic level of the endoscope and ultrasound is further improved.

[0003] However, the use of endoscope for patient detection is a safety risk in many cases, such as airway obstruction caused by endoscope compression, bleeding caused by abrasion during examination due to rapid rotation of endoscope, and sometimes incomplete cleaning and disinfection may cause the spread of diseases such as AIDS and viral hepatitis.

[0004] Therefore, the applicant refers to the prior art, integrates the micro high-frequency ultrasonic probe into the micro capsule, and receives information in the body through radio frequency communication to solve the above problems. UTILITY MODEL CONTENT

[0005] Therefore, the utility model provides a capsule type ultrasonic endoscope to solve the problem that the patient is secondarily injured due to improper operation of the ultrasonic endoscope in the prior art.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0007] The utility model discloses a capsule type ultrasonic endoscope, which comprises:

[0008] The motor is provided with a reed tube at the end, and the reed tube is connected with the motor circuit, when the reed tube is connected, the motor starts;

[0009] The detection device is coaxially connected with the motor at the tail, and the outer side of the detection device is covered with a protective shell;

[0010] The installation inclined plane is provided with a transmitting transducer in the middle, the outer side of the transmitting transducer is provided with a receiving transducer, and the installation inclined plane is arranged on the detection device.

[0011] Further, the detection device comprises:

[0012] The single-chip microcomputer is installed on the front of the PCB circuit board, and the back of the PCB circuit board is provided with a battery;

[0013] The radio frequency chip is arranged below the single-chip microcomputer and is connected with the single-chip microcomputer.

[0014] Further, the end of the motor is provided with an arc-shaped cover, a dry reed tube is arranged in the arc-shaped cover, and the arc-shaped cover is integrally formed with the protective shell.

[0015] Further, the arc-shaped cover and the protective shell are made of flexible materials.

[0016] Further, the motor is a micro motor.

[0017] The motor comprises a stator and a rotor, the detection device is connected with the rotor, the rotor is arranged in the stator, and the stator is provided with the dry reed tube.

[0018] Further, the detection device is connected with the rotor through a flexible shaft.

[0019] Further, the battery is provided with a wireless charging transmission circuit outside.

[0020] The utility model has the advantages of the following:

[0021] The utility model discloses a capsule type ultrasonic endoscope, which is characterized by the following: the detection device is integrated on a separate micro capsule, so that the patient can swallow the capsule conveniently and the damage to the intestinal mucosa is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other embodiments can be obtained from the provided drawings without creative labor.

[0023] The structures, proportions, sizes and the like shown in the specification are only used to cooperate with the content disclosed in the specification, so that those skilled in the art can understand and read, and are not used to limit the implementation conditions of the utility model, so they do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the functions and purposes of the utility model, should still fall within the scope of the disclosed technology.

[0024] Figure 1 The utility model provides a capsule type ultrasonic endoscope perspective view.

[0025] Figure 2 The capsule type ultrasonic endoscope internal structure schematic view is provided for the utility model;

[0026] Figure 3 The capsule type ultrasonic endoscope perspective view is provided for the utility model;

[0027] Figure 4 The protective shell perspective view is provided for the utility model;

[0028] In the figure: 1 motor;11 stator;12 rotor;2 emission transducer;3 detection device;31 single-chip microcomputer;32 PCB circuit board;33 radio frequency chip;34 battery;4 receiving transducer;5 installation slope;6 protective shell;7 dry reed;8 arc cover. DETAILED DESCRIPTION

[0029] The embodiments of the utility model will be described below by specific examples, and those skilled in the art can easily understand other advantages and effects of the utility model from the disclosed content of the specification. Obviously, the described embodiments are part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0030] Please refer to Figures 1-4 The utility model discloses a kind of capsule type ultrasonic endoscope, mainly through oral built-in camera and signal transmission device's intelligent capsule, with the help of digestive tract peristalsis function, make it move in digestive tract, to realize non-invasive inspection. Specific technical solutions will be explained in the form of embodiment.

[0031] In one specific embodiment disclosed in the utility model, capsule type ultrasonic endoscope mainly includes motor 1, detection device 3 and installation slope 5, wherein, the end of motor 1 is installed with dry reed 7, and dry reed 7 is connected with motor 1 circuit, it needs to be explained, dry reed 7 is magnetic reed switch, and it will be automatically closed when passing through the magnetic field generated by permanent magnet or electromagnetic coil.And when dry reed 7 is connected, motor 1 is powered on.

[0032] In the embodiment, motor 1 is coaxially connected with detection device 3, so that detection device 3 can be driven to rotate, since detection device 3 needs to be designed to meet the requirements of human swallowing, thus the diameter of detection device 3 needs to be small enough, and the end surface of detection device 3 with too small size will also be correspondingly small, thus leading to difficulty in installing ultrasonic transceiver device. In view of this, slope is arranged on detection device 3 to expand the installation area and facilitate the installation of sensor.

[0033] In some embodiments, the outer side of the detection device 3 is covered with a protective shell 6 which is a rounded cylindrical shell to avoid damaging the human digestive mucosa. In this embodiment, the installation slope 5 is located on the detection device 3, and the middle part of the installation slope 5 is provided with a transmitting transducer 2 for converting electrical energy into high-frequency ultrasonic waves, and on the other hand, the outer side of the transmitting transducer 2 is provided with a receiving transducer 4 for converting the ultrasonic waves reflected by the human body into electrical signals for analysis.

[0034] In some embodiments, as Figure 2 and Figure 3 , the detection device 3 includes a single-chip microcomputer 31 and a radio frequency chip 33, wherein the single-chip microcomputer 31 can be pre-programmed to drive the transmitting transducer 2 to emit sound waves, and at the same time the receiving transducer 4 can also input electrical signals to the single-chip microcomputer 31, which is modulated by the single-chip microcomputer and converted into wireless signals by the radio frequency chip 33, and transmitted to the outside of the patient's body. In this embodiment, the single-chip microcomputer 31 is installed on the front of the PCB circuit board 32, and the back of the PCB circuit board 32 is installed with a battery 34, and the outer side of the battery 34 is provided with a wireless charging transmission circuit, so that the battery can be charged in a wireless charging manner, and thus avoid the internal contamination of the detection device 3 by bacteria and viruses.

[0035] In some embodiments, the end of the motor 1 is provided with an arc-shaped cover 8, the arc-shaped cover 8 is provided with a reed tube 7, and the arc-shaped cover 8 is integrally formed with the protective shell 6, and in this embodiment, the arc-shaped cover 8 and the protective shell 6 are both flexible materials to alleviate the physical extrusion on the human digestive system. On the other hand, the detection device 3 is connected to the rotor 12 through a flexible shaft, so that when the motor 1 rotates, the detection device 3 and the motor 1 can bend appropriately along the shape of the intestinal tract in the human intestinal tract, to avoid the problem of pressing the intestinal tract.

[0036] In some embodiments, as Figure 4 , the motor 1 is a micro motor, and the motor 1 includes a stator 11 and a rotor 12, the detection device 3 is connected to the rotor 12, the rotor 12 is located in the stator 11, and the stator 11 is installed with a reed tube 7. In use, it is difficult to control the direction of the detection device 3. Therefore, in this embodiment, the direction of the detection device 3 emitting ultrasonic waves is adjusted by magnetic control. Specifically, when there is a permanent magnet or an electromagnetic coil near the reed tube 7 outside the patient's body, the reed tube 7 is closed, thereby starting the motor 1 to drive the detection device 3 to rotate, thereby releasing ultrasonic waves from multiple directions to the human body, and then realizing detection of different positions of the human digestive system.

[0037] Although the utility model has been described in detail above with general description and specific embodiments, some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the utility model all belong to the range of protection required by the utility model.

Claims

1. A capsule endoscope, characterized by, Include: The motor (1) is provided with a reed switch (7) at the end, and the reed switch (7) is connected with the motor (1) circuit, when the reed switch (7) is turned on, the motor (1) starts; Detection device (3), tail with the motor (1) coaxial transmission connection, the outer side of the detection device (3) is covered with a protective shell (6); The installation slope (5) is provided with a transmitting transducer (2) in the middle, the outer side of the transmitting transducer (2) is provided with a receiving transducer (4), and the installation slope (5) is arranged on the detection device (3).

2. The capsule endoscope of claim 1, wherein The detection device (3) comprises: Single-chip microcomputer (31), installed on the front of PCB circuit board (32), the back of the PCB circuit board (32) is provided with a battery (34); Radio frequency chip (33), arranged below the single-chip microcomputer (31) and connected with the single-chip microcomputer (31) signal.

3. The capsule endoscope of claim 1, wherein The end of the motor (1) is provided with an arc cover (8), the arc cover (8) is provided with a reed switch (7) inside, and the arc cover (8) is integrally formed with the protective shell (6).

4. The capsule endoscope of claim 3, wherein The arc cover (8) and the protective shell (6) are both flexible materials.

5. The capsule endoscope of claim 1, wherein The motor (1) is a micro motor; The motor (1) includes a stator (11) and a rotor (12), the detection device (3) is connected with the rotor (12), the rotor (12) is located in the stator (11), and the stator (11) is provided with the reed switch (7).

6. The capsule endoscope of claim 5, wherein The detection device (3) is connected with the rotor (12) through a flexible shaft.

7. The capsule endoscope of claim 2, wherein The outer side of the battery (34) is provided with a wireless charging transmission circuit.