WO2012088983A1

WO2012088983A1 - Color doppler ultrasonic capsule small intestinal endoscope system

Info

Publication number: WO2012088983A1
Application number: PCT/CN2011/083094
Authority: WO
Inventors: 乔铁
Original assignee: 广州宝胆医疗器械科技有限公司
Priority date: 2010-12-30
Filing date: 2011-11-29
Publication date: 2012-07-05
Also published as: CN102008325A; CN102008325B

Abstract

A medical color Doppler ultrasonic capsule small intestinal endoscope system capable of entering the small intestine for endoscopy, comprises a capsule small intestinal endoscope (1), a controller terminal (2) and a work station (3), wherein said capsule small intestinal endoscope (1) comprises a housing (11) with an annular air bag (12) on the outer surface of the housing (11), and a color Doppler ultrasonic module (13), a data processing chip (14), an assistant module (15), a power supply module (16) and a data processing module (17) being arranged in succession in the housing (11), with the color Doppler ultrasonic module (13), data processing chip (14), assistant module (15), power supply module (16) and data processing module (17) being connected one after another; both ends of the housing (11) are round ends; the color Doppler ultrasonic module (13) has at least one ultrasonic emission probe (131) and at least one ultrasonic reception probe (132) near the round ends of the housing (11). The system detects the blood flow rate and blood flow in the vessels between the intestinal walls taking advantage of the Doppler principle, which enriches the diagnostic means for digestive tract diseases and efficiently improves diagnostic accuracy.

Description

Color Doppler ultrasound capsule enteroscopy system

The invention relates to a medical device, in particular to a medical capsule enteroscopy system which can be inspected into the small intestine. Background technique

Capsule endoscopy is by far the most advanced endoscopic product, also known as medical wireless endoscope. The principle is that the examiner uses the intelligent capsule of the built-in camera and signal transmission device to move and take images in the digestive tract by means of gastrointestinal motility, and the doctor uses the external image recorder and imaging workstation to understand the entire digestion of the subject. The situation, so that the diagnosis of its condition. Capsule enteroscopy has the advantages of convenient examination, no trauma, no wire, no pain, no cross infection, and does not affect the normal work of the patient. It expands the vision of the digestive tract examination and overcomes the tolerance of the traditional insertion endoscope. Poor sex, not suitable for old and frail and critical illness, can be used as the first choice for the diagnosis of digestive tract diseases, especially small bowel diseases, and is called the revolution and direction of endoscopic development in the 21st century by the medical profession.

Doppler ultrasound technology is now widely used in the medical field. The principle is to use the Doppler effect, that is, the change of the acoustic frequency when the source and the object are moved relative to each other. The Doppler ultrasound technique is based on the change of the ultrasonic frequency. And measuring hemodynamic changes in human tissues and organs. The advantages of Doppler ultrasound technology are: 1. It can quickly and visually display the two-dimensional plane distribution state of blood flow; 2. It can display the running direction of blood flow; 3. It is beneficial to distinguish arteries and veins; 4. It is beneficial to identify vascular lesions. And non-vascular lesions; 5. Conducive to understanding the nature of blood flow; 6. Can easily understand the phase and velocity of blood flow; 7. Can reliably find the shunt and reflux; 8. Can the origin of the blood flow, width , length, area for quantitative analysis. At present, there is no capsule enteroscopy system combining color Doppler ultrasound technology and capsule endoscopy technology, which makes doctors lack more effective and rich diagnostic methods. Summary of the invention

The technical problem to be solved by the present invention is to provide a capsule enteroscopy system which can combine color Doppler ultrasound technology to provide a more accurate reference for doctor diagnosis. To achieve the above object, the present invention provides a color Doppler ultrasound capsule enteroscopy system comprising a capsule enteroscopy, a controller terminal and a workstation, the capsule enteroscopy comprising a housing, the outer surface of the housing having an annular balloon, The color Doppler ultrasound module, the data processing chip, the auxiliary module, the power supply module and the data processing module are arranged in the housing in sequence, the color Doppler ultrasound module, the data processing chip, the auxiliary module, the power supply module and the data processing The modules are connected in sequence.

The two ends of the casing of the present invention are round ends, and the color Doppler ultrasound module has at least one near the round end of the casing. An ultrasonic transmitting probe and at least one ultrasonic receiving probe.

The color Doppler ultrasound module of the present invention is of at least one of a report type, a continuous wave, and a high pulse repetition frequency.

The auxiliary module of the present invention includes a control circuit and a small compressed air container.

The data processing module of the present invention is a radio transmitter.

The data processing module of the present invention is a memory card.

The invention has obvious technical effects due to the structure: due to small volume, light weight, no fear after taking the patient, and simple operation, no complications caused by operation; in particular, the intestinal wall can be utilized by the Doppler principle The flow rate and flow rate of the blood vessels are detected and the image information is returned to help the doctor further diagnose the state and condition of the intestine by analyzing the color Doppler ultrasound image in the intestine.

DRAWINGS

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic view showing the structure of a color Doppler ultrasound capsule enteroscopy according to the present invention.

2 is a schematic view showing the operation of the color Doppler ultrasound capsule enteroscopy system of the present invention.

Fig. 3 is a view showing the effect of the color Doppler ultrasound capsule enteroscopy balloon opening of the present invention.

Figure 4 is a schematic view showing the operation of the color Doppler ultrasound capsule enteroscopy in the small intestine of the present invention.

detailed description

The specific embodiments of the present invention are further described in detail below with reference to the accompanying drawings. The color Doppler ultrasound capsule enteroscopy system provided by the present invention comprises a capsule enteroscopy 1, a controller terminal 2 and a workstation 3. As shown in FIG. 1, the capsule enteroscopy 1 comprises a housing 11 having an annular balloon on the outer surface of the housing 11. 12. The housing 11 is preferably sized to a maximum of 15 lengths up to 30 and is made of a biocompatible material that is highly resistant to acids and is minimally resistant to gastric acid corrosion.

The two ends of the housing 11 are rounded ends, and the color Doppler ultrasound module 13, the data processing chip 14, the auxiliary module 15, the power supply module 16, and the data processing module 17 are arranged in the housing 11 in sequence, the color Doppler The ultrasound module 13, the data processing chip 14, the auxiliary module 15, the power supply module 16, and the data processing module 17 are sequentially connected.

The color Doppler ultrasound module 13 has at least one ultrasonic transmitting probe 131 and at least one ultrasonic receiving probe 132 near the round end of the housing. The number of the ultrasonic transmitting probe 131 and the ultrasonic receiving probe 132 is preferably two, respectively. The color Doppler ultrasound module 13 can provide a variety of imaging modalities, preferably at least one of a report order (PW), a continuous wave (CW), and a high pulse repetition frequency (HPRF). The airbag 12 is made of a strong acid-resistant deformable material, and its function is to fix the color Doppler ultrasound capsule enteroscopy 1 and open it. Small intestine 8 wrinkles. The balloon 12 is at least 25 mm in diameter after opening, and the gas is from the compressed air in the auxiliary module 15. The effect of the airbag 12 being inflated and expanded is shown in FIG.

The data processing chip 14 is an intermediate structure for processing image data transmitted by the color Doppler ultrasound module and transmitting the image data to the data processing module 17 for processing, and receiving the radio command issued by the workstation 3, and controlling the state of the capsule enteroscopy 1 according to the command. In addition, an instruction can be sent to the auxiliary module 15 to control the opening and closing of the air bag 12. The data processing chip 14 calculates the flow rate of the blood flow in the intestinal tract by calculating the frequency difference between the ultrasonic wave transmitting probe 131 and the ultrasonic wave receiving probe 132 and calculates the blood flow rate in the blood vessel. The size of the data processing chip 14 is preferably at most 7.5 mm, and the shooting frequency is user-defined.

The auxiliary module 15 includes a control circuit and a small compression container filled with compressed air. The external station 3 transmits commands to the data processing chip 14 by radio transmission, and the auxiliary module 15 controls the air bag 12 to be inflated and deflated, thereby realizing the opening and closing of the air bag 12.

The power supply module 16 is preferably a high capacity battery that provides at least 5 hours of power.

The data processing module 17 is preferably a radio transmitter that transmits a signal transmission image to a controller terminal outside the body via a radio transmitter and controls the color Doppler ultrasound capsule enteroscopy 1 through an external radio. The data processing module 17 is also preferably a memory card, and the processed image data is stored in the memory card, and after being recovered by the capsule enteroscopy 1, the further analysis is performed by the workstation 3.

As shown in Figure 2, the patient under the guidance of a doctor, oral disinfection of color Doppler ultrasound capsule enteroscopy 1, color Doppler ultrasound capsule enteroscopy 1 with the help of digestive tract peristalsis through the oral cavity 4, esophagus 5, stomach Part 6, duodenum 7 enters the small intestine 8, the large intestine 9. The ultrasonic transmitting probe 131 of the color Doppler ultrasound module 13 emits ultrasonic waves of a specific frequency in the intestinal tract, and the ultrasonic waves are received by the ultrasonic receiving probe 132 after being reflected, and then processed by the data processing chip 14, and the image is sent to the data processing module 17, the data The processing module 17 preferably transmits the image signal to the controller terminal 2 outside the body in the form of a radio transmission. The controller terminal 2 is preferably worn between the patient's waist. The controller terminal 2 is connected to the workstation 3 and transmits the image to the workstation 3. Workstation 3 has a range of software with features such as storage, expert analysis, multiple displays, printing, and network connectivity. The doctor sends a corresponding control command to the color Doppler ultrasound capsule enteroscopy 1 in a radio manner according to the intestinal condition displayed on the workstation monitor to control the motion state of the color Doppler ultrasound capsule enteroscopy 1 . As shown in Fig. 4, the doctor can control the auxiliary module 15 to release compressed air by radio transmission, expand the air bag 12, open the small intestine 8 wrinkles, and scan and photograph the image of the intestinal wall 81. The inflated balloon 12 can also temporarily hold the capsule enteroscopy 1 at a certain position in the intestine for better color Doppler ultrasound scanning. The color Doppler ultrasound capsule enteroscopy 1 moves in the body along the digestive tract until the power supply module 16 runs out of power or is vented through the anus 10 through the body to drain the body, stop working and recover. When the data processing module 17 is preferably a memory card, the storage in the recovered capsule enteroscopy 1 can be The card is connected to the workstation 3 for further processing of the image data.

The inventive concept is not limited to the capsule enteroscopy system, but can also be widely applied to rigid electronic gallbladder mirrors, choledochoscopy systems, cystoscopy systems, anorectal systems, hysteroscopic systems, laryngoscopy systems, esophagoscopy systems, and fallopian tube systems. , ureteroscopy system, colposcopy system, bronchoscopy system, ventricle system, duodenoscopy system, gastroscope system, arthroscopy system, etc.

Claims

Claim

A color Doppler ultrasound capsule enteroscopy system comprising a color Doppler ultrasound capsule enteroscopy, an external controller terminal, and a workstation, the color Doppler ultrasound capsule enteroscopy comprising a housing, wherein: The outer surface of the casing has an annular air bag, and the color Doppler ultrasound module, the data processing chip, the auxiliary module, the power supply module and the data processing module are arranged in the casing, the color Doppler ultrasound module, the data processing chip, The auxiliary module, the power supply module and the data processing module are sequentially connected;

The two ends of the housing are rounded ends, and the color Doppler ultrasound module has at least one ultrasonic emission probe and at least one ultrasonic receiving probe near the round end of the housing;

The data processing chip is an intermediate structure for processing image data of the color Doppler ultrasound module and transmitting the image data to the data processing module for processing, receiving a radio command issued by the workstation, and controlling the location according to the instruction Describe the state of the color Doppler ultrasound capsule enteroscopy, and send an instruction to the auxiliary module to control the opening and closing of the airbag;

The auxiliary module includes a control circuit and a small compressed air container, the small compression container is filled with compressed air; the data processing module is a radio transmitter, and transmits a signal transmission image to the external controller terminal through the radio transmitter. And control the color Doppler ultrasound capsule enteroscopy by radio in vitro;

The extracorporeal controller terminal is coupled to the workstation and transmits an image to the workstation.

2. The color Doppler ultrasound capsule enteroscopy system according to claim 1, wherein: the imaging type of the color Doppler ultrasound module is a report sheet.

3. The color Doppler ultrasound capsule enteroscopy system according to claim 1, wherein: the color Doppler ultrasound module has an imaging type of continuous wave.

4. The color Doppler ultrasound capsule enteroscopy system according to claim 1, wherein: the color Doppler ultrasound module has an imaging type of a high pulse repetition frequency.