Wireless automatic calibration respiratory gating device

Abstract

The utility model discloses a wireless automatic calibration respiratory gating device which comprises a gating module, a bandage is arranged on the rear side of the gating module, an air bag is arranged on the front side of the gating module, a second air tap is fixedly connected to the rear side of the air bag, the rear end of the second air tap penetrates through the inner side of the gating module, and the rear end of the second air tap is fixedly connected with a second air outlet. An air pump, an acquisition circuit board and a battery are arranged on the inner side of the door control module, an air tap I is fixedly connected to the outer side of the air pump, an air pressure sensor air tap is fixedly connected to the outer side of the acquisition circuit board, and hook-and-loop fasteners I are fixedly connected to the rear side of the door control module and the outer side of the bandage. By arranging the air bag, the bandage, the door control module, the air pump, the first air tap, the second air tap and the air pressure sensor air tap, the bandage is powered by a rechargeable battery, the air pressure of the bandage is automatically adjusted by the built-in air pump until a signal is stably output, and repeated adjustment of the tightness of the bandage is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument field, especially a wireless automatic calibration breath gating device. BACKGROUND

[0002] In medical image industry (including CT, nuclear magnetic, PET / CT, SPECT / CT), the lung movement of patient can produce motion artifact when reconstructing image, and seriously influence image quality.The common solution in the industry is to use breath gating device to collect breath signal, and control image equipment to collect image in the different phase of breath interval, so that clear image is obtained by reconstruction.There are many kinds of breath gating devices, and different technical solutions are used to cope with different use scenarios.One of the common ones is a bandage air pressure type breath gating device, which uses a bandage to bind the air bag on the chest and abdomen of the patient, and the chest and abdomen movement can squeeze the air bag to cause the pressure change in the air bag, and the pressure change is converted into breath gating signal.

[0003] The above device has the following problems when in use:

[0004] 1, it is very inconvenient to fix the device on the patient, and it is difficult to control the tightness, too loose to measure signal, too tight to bind breath, and the doctor needs to adjust repeatedly.

[0005] 2, the cable and air pipe of breath gating bandage are easy to drag when the patient's examination bed enters the CT. UTILITY MODEL CONTENTS

[0006] In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide a wireless automatic calibration breath gating device.

[0007] One of the purposes of the utility model is realized by the following technical scheme: a wireless automatic calibration breath gating device, comprising a gating module: the rear side of the gating module is provided with a bandage, the front side of the gating module is provided with an air bag, the rear side of the air bag is fixedly connected with an air nozzle two, the rear end of the air nozzle two penetrates through the inner side of the gating module, the inner side of the gating module is provided with an air pump, an acquisition circuit board and a battery, the outer side of the air pump is fixedly connected with an air nozzle one, and the outer side of the acquisition circuit board is fixedly connected with an air pressure sensor air nozzle.

[0008] According to the wireless automatic calibration breath gating device, the rear side of the gating module and the outer side of the bandage are both fixedly connected with a magic tape one.

[0009] According to the wireless automatic calibration breath gating device, a anti-rolling frame one is arranged between the battery and the gating module.

[0010] According to the wireless automatic calibration respiratory gating device, the anti-rolling frame two is arranged between the air pump and the gating module.

[0011] According to the wireless automatic calibration respiratory gating device, the air bag is made of TPU material.

[0012] According to the wireless automatic calibration respiratory gating device, the outer side of the binding belt is fixedly connected with the magic tape two.

[0013] Beneficial effects:

[0014] 1. By arranging the air bag, the binding belt, the gating module, the air pump, the air nozzle one, the air nozzle two and the air pressure sensor air nozzle, the binding belt is powered by the rechargeable battery, the built-in air pump automatically adjusts the air pressure of the binding belt to the signal stable output, and the tightness of the binding belt is avoided.

[0015] 2. The sensor signal is wirelessly uploaded to the host, avoiding the dragging of the exposed cable and air pipe when the patient examination bed enters the CT.

[0016] The additional aspects and advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood by the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0017] The present application will be further described below in combination with the drawings and examples;

[0018] Figure 1 It is a whole three-dimensional structure diagram of the wireless automatic calibration respiratory gating device of the present application;

[0019] Figure 2 It is an internal schematic diagram of the wireless automatic calibration respiratory gating device of the present application.

[0020] Legend:

[0021] 1. Binding belt; 2. Air bag; 3. Gating module; 4. Magic tape one; 5. Magic tape two; 6. Battery; 7. Anti-rolling frame one; 8. Acquisition circuit board; 9. Air pressure sensor air nozzle; 10. Air pump; 11. Air nozzle one; 12. Air nozzle two; 13. Anti-rolling frame two. DETAILED DESCRIPTION

[0022] This part will describe the specific embodiments of the present application in detail, the preferred embodiments of the present application are shown in the drawings, the role of the drawings is to supplement the description of the text part with figures, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the present application, but it cannot be understood as the limitation of the protection scope of the present application.

[0023] Reference Figure 1 -Figure 2 The utility model provides a wireless automatic calibration respiratory gating device, including the gating module 3: the rear side of gating module 3 is provided with the bandage 1, the front side of gating module 3 is provided with the air bag 2, the rear side of air bag 2 is fixedly connected with air mouth no. 2 12, the rear end of air mouth no. 2 12 passes through the inside of gating module 3, the inside of gating module 3 is provided with air pump 10, acquisition circuit board 8 and battery 6, the outside of air pump 10 is fixedly connected with air mouth no. 1 11, the outside of acquisition circuit board 8 is fixedly connected with air pressure sensor air mouth 9, and battery 6 is provided with anti -rolling frame no. 1 7 between gating module 3, and air pump 10 is provided with anti -rolling frame no. 2 13 between gating module 3, air bag 2 is made of TPU material, and the rear side of gating module 3 is fixedly connected with magic tape no. 1 4 with the outside of bandage 1, wherein air bag 2 is provided with double -sided adhesive tape between gating module 3, and it is convenient to disassemble, and it is convenient to replace when bandage 1 is damaged, air mouth no. 2 12, air mouth no. 1 11, air pressure sensor air mouth 9 on acquisition circuit board 8 in the shell inside of gating module 3 are connected together with tee and TPU hose, since all the air path connections are in the shell, drag caused by air pipe externalization is avoided, air pump 10 adopts positive pressure, low pulsation, brushless, adjustable speed micro air pump 10.

[0024] After the doctor completes the initial binding, presses the start button, acquisition circuit board 8 controls air pump 10 to automatically adjust air pressure, finds the appropriate air pressure baseline and starts working, avoids the doctor adjusting the tightness of bandage 1 multiple times, battery 6 and acquisition circuit board 8 are connected, the cable of air pump 10 and acquisition circuit board 8 are connected, acquisition circuit board 8 is responsible for the charge management of battery 6 and the speed drive of air pump 10, there is air pressure sensor on acquisition circuit board 8, which is connected with air bag 2 through hose, acquisition circuit board 8 collects air bag 2 air pressure and adjusts air pump 10 output, adjusts air bag 2 air pressure at the appropriate air pressure baseline, acquisition circuit board 8 continuously collects air bag 2 real-time air pressure, subtracts the air pressure baseline from the real-time air pressure, can obtain an air pressure waveform that fluctuates up and down on 0 point, the air pressure waveform is the respiratory signal waveform, acquisition circuit board 8 detects when air pressure starts to drop at the wave crest of air pressure waveform, and sends a gating signal outward through wireless, avoids the drag caused by external communication cable,

[0025] The outside of bandage 1 is fixedly connected with magic tape no. 2 5, and magic tape no. 2 5 is arranged at the two ends of bandage 1, which is convenient for the doctor to fix gating module 3 on the chest and abdomen of the patient.

[0026] Working principle: through the setting of the binding 1 and magic tape two 5, the door control module 3 is bound to the chest and abdomen of the patient, and through the air bag 2, air pump 10, acquisition circuit board 8 and air pressure sensor air nozzle 9, the automatic adjustment of the air pressure baseline is realized, the use is more convenient, the binding 1 is powered by the rechargeable battery 6, the built-in air pump 10 automatically adjusts the air pressure of the binding 1 to the stable signal output, which avoids the adjustment of the tightness of the binding 1 for many times, and the air pump 10, acquisition circuit board 8 and battery 6 in the door control module 3 avoid the dragging caused by the exposed cable and air pipe when the patient examination bed enters the CT.

[0027] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by ordinary skilled persons in the technical field without departing from the purpose of the utility model.

Claims

1. A wireless automatic calibration respiratory gating device, characterized in that: The invention comprises a door control module (3): a strap (1) is provided on the rear side of the door control module (3), an air bag (2) is provided on the front side of the door control module (3), a second air nozzle (12) is fixedly connected to the rear side of the air bag (2), a rear end of the second air nozzle (12) passes through the inner side of the door control module (3), an air pump (10), a collection circuit board (8) and a battery (6) are provided on the inner side of the door control module (3), an air nozzle (11) is fixedly connected to the outer side of the air pump (10), and an air pressure sensor air nozzle (9) is fixedly connected to the outer side of the collection circuit board (8).

2. A wireless automatic calibration respiratory gating device according to claim 1, characterized in that: The rear side of the door control module (3) and the outer side of the strap (1) are both fixedly connected with a Velcro 1 (4).

3. A wireless automatic calibration respiratory gating device according to claim 1, characterized in that: A roll cage (7) is provided between the battery (6) and the door control module (3).

4. A wireless automatic calibration respiratory gating device according to claim 1, characterized in that: A second anti-roll cage (13) is provided between the air pump (10) and the door control module (3).

5. A wireless automatic calibration respiratory gating device according to claim 1, characterized in that: The airbag (2) is made of TPU material.

6. A wireless automatic calibration respiratory gating device according to claim 1, characterized in that: The outer side of the binding strap (1) is fixedly connected with a second Velcro (5).

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