Esophageal-cardia pressure testing equipment

Abstract

The present invention belongs to the field of medical device technology, and specifically relates to an esophageal-cardia pressure detection device. Cardia pressure measurement is a part of esophageal pressure measurement, but its role is very important. It is mainly used to evaluate the functional state of the esophagus, especially the coordination and strength of the esophageal muscles. The present invention discloses an esophageal-cardia pressure detection device, which mainly includes a first air bag body (21), a second air bag body (22) and a pressure detection sensor module (24). The present invention sets a plurality of groups of different types of sensors at the cardia position. For the diagnosis of achalasia and gastroesophageal reflux disease, the device of the present invention can provide more comprehensive data and analysis results. The pressure detection process of the esophagus-cardia can be completed within 5-10 minutes. The detection speed is fast, and the pressure of the esophageal cardia can be quickly measured, which reduces the pressure measurement time and reduces the pain of the patient. It has good practicality.

Description

Technical Field

[0001] The invention belongs to the technical field of medical devices, and in particular relates to an esophageal pressure detection device. Background Art

[0002] Cardiac manometry is a part of esophageal manometry, but its role is very important. It is mainly used to evaluate the functional status of the esophagus, especially the coordination and strength of the esophageal muscles. This test is crucial for diagnosing achalasia, lower esophageal sphincter (LES) dysfunction and other diseases that affect esophageal motility.

[0003] The importance of cardiac pressure measurement includes the following parts:

[0004] Diagnosing achalasia: Achalasia is a condition characterized by impaired relaxation of the lower esophageal sphincter and loss of motility in the esophageal body. Esophageal manometry can help doctors identify this condition because in this condition, the pressure in the lower esophageal sphincter may be abnormally elevated and normal motility in the esophageal body is absent.

[0005] Diagnosis of gastroesophageal reflux disease: Gastroesophageal reflux disease (GERD) is a common digestive system disease characterized by the reflux of gastric acid and other gastric contents into the esophagus, causing a series of symptoms and potential complications. When LES function is weakened or damaged, gastric acid and digestive juices may reflux into the esophagus, causing irritation and damage.

[0006] Assessing esophageal motility: Through esophageal manometry, doctors can obtain information about the pressure distribution in various parts of the esophagus at rest and during eating, which is very useful in understanding how the esophagus works.

[0007] Differential diagnosis: Esophageal manometry can help rule out or confirm esophageal motility disorders in patients who present with symptoms such as dysphagia or noncardiac chest pain but have an unknown etiology.

[0008] Treatment monitoring: In some cases, esophageal manometry can also be used to evaluate the effectiveness of treatment. For example, after a patient with achalasia has received treatment, manometry can be repeated to determine whether the treatment is effective.

[0009] With the advancement of technology, High Resolution Manometry (HRM) has become the preferred method for diagnosing esophageal motility disorders. HRM provides a more detailed image of pressure distribution, allowing doctors to analyze esophageal function more accurately, especially in diagnosing achalasia and other esophageal motility disorders.

[0010] There are many related patent applications in China for high-resolution esophageal manometry. For example, patent publication number CN117934446A discloses a method, device, equipment and medium for obtaining the gastroesophageal junction contractile integral. The gastroesophageal junction contractile integral (EGJ-CI) is an indicator for evaluating the EGJ barrier function, which is used to predict abnormal acid exposure and acid reflux in the distal esophagus, and can distinguish GERD (gastroesophageal reflux) patients from heartburn patients. Since the patent uses point cloud information, which has no time information, it still has certain shortcomings compared to HRM.

[0011] Patent publication number CN104188672B discloses a method for manufacturing an esophageal pressure measuring catheter, which is characterized by comprising the following steps: 1) Injecting a silicone material into an elastic airbag outer tube, the elastic airbag outer tube includes a plurality of airbags and a plurality of circular tube segments, and adjacent airbags are connected through one of the circular tube segments; 2) A plurality of pressure sensors are welded on a PCB circuit board, and cylindrical rubber sleeves are respectively sleeved on the PCB circuit boards between adjacent pressure sensors, and a circle of grooves is provided on the circumferential surface of the cylindrical rubber sleeve; 3) The elastic airbag outer tube is placed inside a vacuum device, and after the vacuum device is started to evacuate, each circular tube segment expands elastically in the radial direction, and the inner diameter of the circular tube segment increases, and the vacuum device maintains a vacuum state; 4) The PCB circuit board welded with a plurality of pressure sensors is inserted into the inner cavity of the elastic airbag outer tube, and the pressure sensors correspond to the airbags one by one, and each pressure sensor falls into the inner cavity of the corresponding airbag, and the cylindrical rubber sleeve falls into the circular tube segment;. Combined with the patent drawings, it can be seen that the setting method of the pressure sensor used belongs to the pressure measurement method along the radial direction of the esophagus. This pressure measurement method is still widely used in a large number of products on the market and in some patents, such as patent publication numbers CN117598679A and CN216628534U. This design method only obtains radial pressure during the pressure measurement process. The radial pressure can only evaluate the esophageal motility function to a certain extent, but the specific pressure on the food in the esophagus or the food in the stomach and cardia, and whether the esophagus will move along the esophagus axis, are not completely in accordance with the radial pressure measured by the detection instrument. This is because the food in the esophagus can be roughly regarded as a fluid, and the relevant detection equipment is solid. The premise of measuring pressure is that the esophagus must be in contact with the measuring and pressure measuring pipe, and the structure of the esophagus is different in size at different locations, and the esophageal structure of different people is also necessarily different, which leads to the inevitable partial distortion of esophageal pressure detection in some areas. Secondly, at the cardia, which is the connection between the esophagus and the stomach, it is in the shape of a trumpet. It is difficult to squeeze the pressure measuring pipe at this location. Commonly used HRM measurement methods cannot obtain accurate pressure detection even if the patient swallows solid or liquid food in a regular manner. This makes the diagnosis of LES function have serious judgment defects, such as whether gastroesophageal reflux disease really occurs. The HRM measurement method does not consider the influence of other factors such as the gravity of the food itself. Therefore, when making a specific diagnosis, HRM measurement can only be combined with other tools such as gastroscopy for auxiliary judgment. As for whether the diagnosis is confirmed, HRM measurement is neither a sufficient nor a necessary condition in a strict sense. Compared with HRM measurement of the entire esophageal pressure, the required detection sensors are more demanding, the measurement time period is long, and the instrument cost is high. At present, there are no relatively easy-to-use products for esophageal pressure detection sensors for the esophagus-cardia area. Summary of the invention

[0012] At present, the ideal esophageal-cardia pressure detection equipment should have the following characteristics: 1. Quickly measure the pressure of the esophageal cardia, reduce the pressure measurement time, and reduce the pain of patients. 2. Can better measure the axial pressure of the esophagus, especially the axial pressure of the esophagus at the cardia 3. Can be used for the diagnosis of different types of esophageal diseases, whether it is achalasia, diffuse esophageal spasm or other esophageal motility disorders 4. The pressure measurement results should have good repeatability, that is, multiple measurements under the same conditions should get similar results, so as to ensure the consistency of diagnosis.

[0013] In view of this, in order to solve the problems existing in the prior art and achieve an ideal esophageal-cardia pressure detection device, the technical solution of the present invention is: an esophageal-cardia pressure detection device, characterized in that it includes a main catheter and a device body connected to one end of the main catheter, the device body is provided with a first airbag body, a pressure detection sensor module, and a second airbag body, the main catheter passes through the first airbag body and is connected to the pressure detection sensor module;

[0014] The first airbag body is provided with a first diaphragm, one side of the first diaphragm is provided with a first inflation area, the first inflation area is connected to a first inflation port provided on the main conduit, and the other side of the first diaphragm is a first liquid storage area; the first airbag body is in a compressible state when not inflated, and is in a fitted state after being inflated;

[0015] The second airbag body is provided in a plug shape, a second diaphragm and a secondary conduit are provided in the second airbag body, one side of the second diaphragm is provided as a second inflation area, the second inflation area is connected to a second inflation port provided on the secondary conduit, and the other side of the second diaphragm is a second liquid storage area; the second airbag body is in a compressible state when not inflated, and is in a fitted state after being inflated;

[0016] The left side of the pressure detection sensor module is provided with a first gas pressure sensor, a first liquid pressure sensor and a first solid pressure sensor, and the right side of the pressure detection sensor module is provided with a second gas pressure sensor, a second liquid pressure sensor and a second solid pressure sensor, the first gas pressure sensor is connected to the first gas charging area, the first liquid pressure sensor is connected to the first liquid storage area, one end of the main conduit is connected to the first solid pressure sensor, the second gas pressure sensor is connected to the second gas charging area, the second liquid pressure sensor is connected to the second liquid storage area, and one end of the secondary conduit is connected to the second solid pressure sensor;

[0017] The main conduit and the auxiliary conduit are communicated through an air hole arranged on the pressure detection sensor module.

[0018] It should be noted that the compressible state described in the present invention refers to the first airbag and the second airbag have not yet been inflated, and the shapes of the first airbag and the second airbag can be adjusted and changed according to the external pressure or shape, which is convenient for transportation and passing through the narrow part of the esophagus. The fitting state described in the present invention refers to the first airbag and the second airbag can be well fitted in the esophagus-cardia area and firmly positioned after being inflated.

[0019] Furthermore, a shoulder is provided around the air hole, and the first solid pressure sensor and the second solid pressure sensor are respectively provided on the shoulders on both sides of the air hole, and a sealing ring is provided on the first solid pressure sensor and the second solid pressure sensor, and the sealing ring is used to seal the gap between the main conduit or the auxiliary conduit and the shoulder. Through the setting of the shoulder, the first solid pressure sensor and the second solid pressure are cleverly measured, and the axial pressure of the first airbag body and the second airbag body as a whole in the pressure detection sensor module is measured through the main conduit and the auxiliary conduit, and the measurement result plays a role in judging the overall trend.

[0020] Furthermore, the pressure detection sensor module uses the SMI-1A-48-060-BAUU IntraSense micro-invasive pressure sensor. The IntraSense micro-invasive pressure sensor has a small size and high accuracy, which is consistent with the measurement effect of the present invention for air pressure, hydraulic pressure, and solid pressure.

[0021] Furthermore, the diaphragm used in the present invention is made of PTFE material. The function of the diaphragm in the present invention is to isolate liquid and clear gas, which is often called a hydrophobic breathable membrane. In fact, during the inflation stage of the first airbag body and the second airbag body, the first inflation port and the second inflation port correspond to the first inflation area and the second inflation area, and the first liquid storage area and the second liquid storage area do not have an inflation function. In the actual measurement process, the first liquid storage area and the second liquid storage area should have a certain reasonable air pressure. The measurement result is more accurate. Therefore, the first diaphragm and the second diaphragm are made of hydrophobic breathable membrane to balance the air pressure on both sides of the diaphragm. If multiple inflation holes are set on the catheter alone, it will cause liquid reflux and cross-flow in the liquid storage area, which is not conducive to the air pressure detection process of the inflation area.

[0022] Furthermore, the first gas pressure sensor, the first liquid pressure sensor, the second gas pressure sensor, and the second liquid pressure sensor are all arranged on the outer edge of the sealing ring.

[0023] Furthermore, the other end of the auxiliary catheter is abutted against the bottom of the second airbag body. The other end of the auxiliary catheter is arranged at the bottom of the second airbag body to better bear the overall airbag pressure from the cardia to the stomach, thereby improving the detection effect.

[0024] The present invention is provided with two airbags, and the structure of the first airbag, the pressure detection sensor module, and the second airbag can well fit the lower esophageal sphincter and the cardia. When the first airbag and the second airbag are inflated, the pressure detection sensor module can be well stuck in the narrow part of the lower esophageal sphincter, the first airbag fits the relatively open part on the LES, and the second airbag fits the cardia. This can avoid the problem of the detection equipment slipping, which is currently common, because the current detection equipment includes HRM and some detection equipment that specifically measures the cardia pressure. Due to the movement of the LES sphincter itself, it will always cause the detection equipment to be pushed from the cardia to the inside of the stomach, or cause the detection instrument to be displaced, which is actually not conducive to the detection result and may even cause the detection result to fail.

[0025] The two airbags of the present invention can discharge all the gas in the airbags (including the gas on both sides of the diaphragm) in a non-working state, so that it is convenient for storage and transportation. For example, when passing through the first narrow part of the esophagus, there are certain requirements on the size of the device. After the two airbags release the gas, the esophageal-cardia pressure detection device can smoothly pass through the esophagus to reach the working position.

[0026] The esophagus-cardia pressure detection device of the present invention can be used repeatedly. When inflating, sterilized and purified air or inert gas is selected to avoid affecting the accuracy of the instrument after repeated use.

[0027] The esophagus-cardia pressure detection device of the present invention can cooperate with biopsy channels, gastroscopes and other pipelines. The esophagus-cardia pressure detection device can complete the esophagus-cardia pressure detection process in 5-10 minutes, and the detection speed is relatively fast. This is because, in the general HRM detection process, the patient needs to continuously swallow different foods, and then wait for the food to pass through the cardia before the relevant data can be detected. The airbag body of the present invention simultaneously combines air pressure measurement, fluid pressure measurement, and solid measurement, etc., and measures multiple groups of different types of data at one time. The measurement rate is fast, and different types of data can also facilitate doctors to make comprehensive diagnoses.

[0028] The esophageal-cardia pressure detection device of the present invention measures the esophageal axial pressure rather than the esophageal radial pressure. Objectively speaking, in the field of MEMS pressure sensors, one or two years before the application date of this patent, the minimum size of the pressure sensor was above 2 mm. For the human body structure, the pipeline in the LES is in the contraction range of 0.5-3 mm. As for the placement of the sensor, it can only be placed axially along the pipeline. In this way, only radial pressure is measured. This is also the current mainstream pressure measurement method. The IntraSense micro-invasive pressure sensor used in the present invention has a size of 0.75 mm*0.22 mm. The sensor array can be arranged in the esophageal LES segment, which is already very narrow, and multiple axial data can be detected. In the part of the esophagus with normal narrowing, by comparing the air pressure difference, hydraulic pressure difference, and overall pressure difference between the proximal and distal ends of the cardia, the obtained data has a good practical effect for diagnosing gastroesophageal reflux disease (GERD) and achalasia, and the judgment result is more accurate.

[0029] The beneficial effects of the present invention are:

[0030] 1. Multiple groups of different types of sensors are set at the cardia position. The device of the present invention can provide more comprehensive data and analysis results for diagnosing achalasia and gastroesophageal reflux disease.

[0031] The pressure measurement time of the detection equipment is only 5-10 minutes to complete the esophagus-cardia pressure detection process. The detection speed is fast and the pressure of the esophagus-cardia area can be quickly measured, which reduces the pressure measurement time and reduces the pain of patients.

[0032] An axial pressure sensor is set at the cardia position. By comparing the air pressure difference, hydraulic pressure difference, and overall pressure difference between the proximal and distal ends of the cardia, the data obtained has a good practical effect for diagnosing gastroesophageal reflux disease (GERD) and achalasia, and the judgment results are more accurate.

[0033] The airbag body and pressure detection sensor module are cleverly designed to locate the airbag entrance better, so there is no need to worry about slipping during the detection process. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a stereogram of embodiment 1 of the present invention.

[0035] Figure 2 It is a three-dimensional cross-sectional view of embodiment 1 of the present invention.

[0036] Figure 3 This is a schematic diagram of the first airbag body and the second airbag body in Example 1 of the present invention being in a compressible state.

[0037] Figure 4Schematic diagram of the first airbag body and the second airbag body in the fitted state according to embodiment 1 of the present invention

[0038] Figure 5 It is a three-dimensional cross-sectional view of the pressure detection sensor module, the main conduit, and the auxiliary conduit of Example 1 of the present invention.

[0039] Reference numerals: 1. main conduit, 2. airway, 3. first inflation port, 4. first inflation area, 5. first liquid storage area, 6. first liquid pressure sensor, 7. first gas pressure sensor, 8. first solid pressure sensor, 9. second solid pressure sensor, 10. second gas pressure sensor, 11. second liquid pressure sensor, 12. second inflation area, 13. second liquid storage area, 14. second inflation port, 15 secondary conduit, 16. first diaphragm, 17. second diaphragm;

[0040] 21. First airbag body, 22. Second airbag body, 23. Cover, 24. Pressure detection sensor module, 25. Data transmission line, 26. Air hole, 27. Shoulder, 28. Shoulder, 29. Sealing ring, 30. Sealing ring. DETAILED DESCRIPTION Example

[0041] like Figure 1 The esophageal-cardia pressure detection device shown in the figure mainly includes: a main catheter 1, a first airbag body 21, a pressure detection sensor module 24, and a second airbag body 22. The materials of the first airbag body 21 and the second airbag body 22 can be latex, natural rubber, silicone, polyurethane and other non-toxic materials that will not cause harmful chemical reactions to the human body. A plurality of sensors are collectively arranged in the pressure detection sensor module 24. It should be noted that an airway is arranged inside the main catheter 1, and a plurality of data transmission lines are built into the wall of the main catheter 1 for transmitting specific measurement data results. A plurality of IntraSense miniature invasive pressure sensors are arranged on the pressure detection sensor module 24 for absolute pressure detection such as air pressure and hydraulic pressure. The top of the first airbag body 22 is connected to the cover 23, and the cover 23 is relatively fixedly arranged with respect to the main catheter 1.

[0042] like Figure 2 As shown in the figure, this figure is a three-dimensional cross-sectional view of the structure of the esophagus-cardia pressure detection device in certain working states during the implementation process. The auxiliary catheter 15 is arranged in the second airbag body 22, combined with Figure 5In the structure of the pressure detection sensor module 24, it can be observed that the central part of the pressure detection sensor module 24 is provided with an air hole 16, and two shoulders are provided on both sides of the air hole, namely, shoulders 27 and shoulders 28. The first liquid pressure sensor 6, the first gas pressure sensor 7, and the first solid pressure sensor 8 are provided on the side of the shoulder 27. The first solid pressure sensor 8 is provided in four groups on the shoulder 27. The first solid pressure sensor 8 is connected to one end of the main conduit 1, and a sealing ring 29 is further sealed on the position of the first solid pressure sensor 8. Figure 5 As shown, the outer edge portion around the sealing ring 29 is provided with a first liquid pressure sensor 6 and a first gas pressure sensor 7, wherein the first liquid pressure sensor 6 and the first gas pressure sensor 7 are separated at two upper and lower positions by a first diaphragm 16. Similarly, the second solid pressure sensor 9, the second gas pressure sensor 10 and the second liquid pressure sensor 11 are provided in a similar manner, except that these three types of sensors are provided on one side of the second airbag body 22. The sealing ring 29 and the sealing ring 30 play the role of protecting the sensors and maintaining the air tightness of the main conduit 1 and the auxiliary conduit 15, while also having a buffering effect. All sensors in the embodiment are provided axially along the direction of the main conduit.

[0043] The following is a further description and analysis of the working states of the first airbag 21 and the second airbag 22. Figure 3 As shown, in the compressible state, the shapes of the first airbag body 21 and the second airbag body 22 can be controlled to be roughly cylindrical. Specifically, it can be seen that the first airbag body 21 is divided into two areas by the first diaphragm 16. One side of the first diaphragm 16 is set as the first inflation area 4, and the first inflation area 4 is connected to the first inflation port 3 set on the main conduit 1. The other side of the first diaphragm 16 is the first liquid storage area 5;

[0044] The second airbag body 22 is provided in a plug shape, and is provided with a second diaphragm 17 and a secondary conduit 15 therein, and is also divided into two areas by the second diaphragm 17. One side of the second diaphragm 17 is provided as a second inflation area 12, and the second inflation area 12 is connected to a second inflation port 14 provided on the secondary conduit 15, and the other side of the second diaphragm 17 is a second liquid storage area 13;

[0045] The first liquid storage area 5 and the second liquid storage area 13 both contain some sterile ion-free pure water, which can of course be other liquids. The liquid used for simulated measurement in the first liquid storage area 5 and the second liquid storage area 13 is generally a non-corrosive liquid.

[0046] like Figure 4As shown, after inflation, it can be seen that the first airbag body 21 and the second airbag body 22 form a gourd-shaped external structure as a whole. The specific process is that the gas is inflated through the main conduit 1 and the auxiliary conduit 15. First, the interior of the first inflation area 4 and the second inflation area 12 is filled. Since the first diaphragm 16 and the second diaphragm 17 are made of PTFE material, under the action of the air pressure inside the first inflation area 4 and the second inflation area 12, the gas will slowly pass through the PTFE material membrane into the first liquid storage area 5 and the second liquid storage area 13, and gradually form a gourd-shaped external structure. In the process of deflation, the first inflation port 3 of the main conduit 1 and the second inflation port 14 on the auxiliary conduit 15 are first deflated to the interior of the first inflation area 4 and the second inflation area 12. Due to the air pressure in the first liquid storage area 5 and the second liquid storage area 13, the gas will slowly pass through the PTFE material membrane into the first inflation area 4 and the second inflation area 12, and the deflation process is continuously performed.

[0047] In this embodiment, there are four first solid pressure sensors 8 and four second solid pressure sensors 9, four first gas pressure sensors 7 and four second gas pressure sensors 10, four first liquid pressure sensors 6 and four second liquid pressure sensors 11, and the data measured by all sensors on the pressure detection sensor module 24 are transmitted through the data transmission line 25 arranged in the wall of the main conduit 1.

[0048] According to the core idea of ​​the present invention, it is necessary to supplement some other implementable methods. The diaphragm setting method adopted in Example 1 is on a plane, and the inflation area and the liquid storage area are divided into half. In actual situations, the diaphragm setting method can be various. The diaphragm can be set to a cylindrical or conical shape, similar to the inner liner structure. It can be understood that these settings are all included in the core technical solution of the present invention.

[0049] It should be noted that the attached drawings of the present invention are schematic diagrams of the structures under ideal conditions. Since the airbag body and the diaphragm itself are made of soft materials, the compressible state in actual conditions will have different shapes from the structures in the attached drawings, which is understandable.

[0050] It should be noted that the present invention relates to PCB circuit design and related links, but the core solution of the present invention lies in the setting method of the sensor and the overall device structure. The details of the PCB circuit design are not shown in the accompanying drawings. The accompanying drawings of the present invention are partially abbreviated and simplified for a better understanding of the device structure characteristics, and do not represent the final actual product structure diagram.

[0051] It should be noted that in the present embodiment, it should be understood that the terms, "upper", "lower", "top", "right", "left", "above", "back", "middle", etc., indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0052] In addition, in this specific embodiment, if the connection or fixing method between components is not particularly described, the connection or fixing method can be through conventional one-piece molding or the like in the prior art, and therefore, it will not be described in detail in this embodiment.

[0053] Of course, the above are only typical examples of the present invention. In addition, the present invention may also have many other specific implementations. All technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present invention.

Claims

1. Esophageal-cardia pressure detection equipment, characterized in that : comprising a main conduit (1) and a device body connected to one end of the main conduit (1), wherein the device body is provided with a first airbag body (21), a pressure detection sensor module (24), and a second airbag body (22), and the main conduit (1) passes through the first airbag body (21) and is connected to the pressure detection sensor module (24); A first diaphragm (16) is arranged inside the first airbag body (21); one side of the first diaphragm (16) is arranged as a first inflation area (4); the first inflation area (4) is connected to a first inflation port (3) arranged on the main conduit (1); the other side of the first diaphragm (16) is a first liquid storage area (5); the first airbag body (21) is in a compressible state when not inflated, and is in a fitted state after being inflated; The second airbag (22) is provided in a plug shape, a second diaphragm (17) and a secondary conduit (15) are provided in the second airbag (22), one side of the second diaphragm (17) is provided as a second inflation area (12), the second inflation area (12) is connected to a second inflation port (14) provided on the secondary conduit (15), and the other side of the second diaphragm (17) is a second liquid storage area (13); the second airbag (22) is in a compressible state when not inflated, and is in a fitted state after being inflated; The left side of the pressure detection sensor module (24) is provided with a first gas pressure sensor (7), a first liquid pressure sensor (6) and a first solid pressure sensor (8); the right side of the pressure detection sensor module (24) is provided with a second gas pressure sensor (10), a second liquid pressure sensor (11) and a second solid pressure sensor (9); the first gas pressure sensor (7) is connected to the first gas charging area (4); the first liquid pressure sensor (6) is connected to the first liquid storage area (5); one end of the main conduit (1) is connected to the first solid pressure sensor (8); the second gas pressure sensor (10) is connected to the second gas charging area (12); the second liquid pressure sensor (11) is connected to the second liquid storage area (13); and one end of the secondary conduit (15) is connected to the second solid pressure sensor (9); The main conduit (1) and the secondary conduit (15) are in communication via an air hole (26) provided on the pressure detection sensor module (24).

2. The esophagus-cardia pressure detection device according to claim 1, characterized in that A shoulder (27, 28) is arranged around the air hole (26); the first solid pressure sensor (8) and the second solid pressure sensor (9) are respectively arranged on the shoulders (27, 28) on both sides of the air hole (26); and a sealing ring (29, 30) is arranged on the first solid pressure sensor and the second solid pressure sensor. The sealing ring (29, 30) is used to seal the gap between the main conduit (1) or the auxiliary conduit (15) and the shoulder (27, 28).

3. The esophagus-cardia pressure detection device according to claim 1, characterized in that The pressure detection sensor module uses the SMI-1A-48-060-BAUU IntraSense micro invasive pressure sensor.

4. The esophagus-cardia pressure detection device according to claim 1, characterized in that The first diaphragm and the second diaphragm are made of PTFE material.

5. The esophagus-cardia pressure detection device according to claim 2, characterized in that The first gas pressure sensor (7), the first liquid pressure sensor (6), the second gas pressure sensor (10), and the second liquid pressure sensor (11) are all arranged on the outer edge of the sealing ring.

6. The esophagus-cardia pressure detection device according to claim 1, characterized in that The other end of the secondary conduit (15) abuts against the bottom of the second airbag body (22).

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