Diaphragm electric signal acquisition stomach tube

Abstract

The invention discloses a diaphragm electromyographic signal acquisition stomach tube, which relates to the technical field of medical instruments and comprises a stomach tube body, a connecting plate is fixedly mounted at the top of the stomach tube body, a fixing block is fixedly connected to the top of the connecting plate, an auxiliary cavity connector is fixedly connected to the middle of the top end of the fixing block, and a nutrition feeding connector is fixedly connected to one side of the top end of the fixing block. An Edi guide pipe is fixedly installed on the side, away from the nutrition feeding connector, of the top end of the fixing block. According to the stomach tube, outer side clamping plates are arranged on the two sides of a groove in a connecting plate, the outer side of the middle end of an arc plate is clamped, after a pressing plate compresses a reset spring, an arc-shaped groove in the other end of the pressing plate is clamped and positioned at a bedside handrail of a patient, and the situation that the patient pulls a tube body when lying in bed, so that the stomach tube body slides to move to cause discomfort of the patient is avoided; the position of the through hole is adjusted through meshing and linkage of the outer tooth groove and the rotating plate, so that the through hole can be conveniently connected with an inflation pipeline and a liquid conveying pipeline, and switching use of different functions is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and more specifically to a gastric tube for collecting diaphragm electrical signals. Background Art

[0002] Diaphragm electrical signal monitoring technology is a monitoring technology that monitors the potential changes generated when the diaphragm is excited by placing an esophageal electrode catheter for diaphragm electrical activity, understands the driving ability of the respiratory center, and evaluates the function of the respiratory muscles. Designing a ventilator trigger using diaphragm electrical signals requires a series of signal processing, including designing an electrode wire on the gastric tube to monitor the diaphragm electrical signal in the esophagus. The position of the catheter also needs to be reasonably positioned to ensure the nasogastric feeding function of the gastric tube and to provide assistance for subsequent signal processing. Patients cannot carry metal foreign objects on their bodies during MRI examinations. Such items may affect the MRI examination and are not conducive to the display of lesions.

[0003] In the Chinese utility model patent application No.: 202321153154.5, there is disclosed a nasogastric tube for cricopharyngeal muscle dilation treatment, comprising a nasogastric tube body with an opening at one end, a plurality of through holes are arranged on the side wall of the end of the nasogastric tube body away from the opening, an intubation guide wire is arranged in the nasogastric tube body, an elastic bag capable of elastic deformation is arranged on the side wall of the nasogastric tube body, a connecting tube is connected to the elastic bag, and a sealing plug for sealing is detachably connected to the end of the connecting tube away from the elastic bag. The nasogastric tube for cricopharyngeal muscle dilation treatment is not convenient for adjusting the internal tube body of the tube in actual use, and a tube positioning mechanism is not provided. The tube body is easily pulled when the patient moves while lying in bed. When the patient uses it for a long time, there is no sealing mechanism at the contact part of the tube with the outside world, which causes bacteria to enter the patient's body. It is also not convenient to collect diaphragm electrical signals, and magnetic resonance imaging cannot be performed.

[0004] Therefore, it is necessary to propose a diaphragm electrical signal acquisition gastric tube to solve the above problems. Summary of the invention

[0005] 1. Technical issues to be resolved

[0006] The purpose of the present invention is to solve the problem that a nasogastric tube specially used for cricopharyngeal muscle dilation treatment is inconvenient to adjust the internal tube body of the tube in actual use, no gastric tube positioning mechanism is provided, the tube body is easily pulled when the patient moves while lying in bed, and when the patient uses it for a long time, no sealing mechanism is provided at the contact part between the gastric tube and the outside world, resulting in the entry of pathogens into the patient's body, and it is inconvenient to collect diaphragm electrical signals, and magnetic resonance imaging cannot be performed. The present invention provides a diaphragm electrical signal collection gastric tube.

[0007] (II) Technical solution

[0008] In order to achieve the above-mentioned purpose, the present invention specifically adopts the following technical solutions:

[0009] A gastric tube for collecting diaphragm electrical signals comprises a gastric tube body, a connecting plate fixedly installed on the top of the gastric tube body, a fixing block fixedly connected to the top of the connecting plate, an auxiliary cavity joint fixedly connected to the middle of the top of the fixing block, a nutritional feeding joint fixedly connected to one side of the top of the fixing block, an Edi catheter fixedly installed on the side of the top of the fixing block away from the nutritional feeding joint, an internal thread groove is provided inside the top of the auxiliary cavity joint, an adapter is connected to the internal thread of the internal thread groove, an external thread groove is provided on the outer side of the top of the nutritional feeding joint, a connecting belt is rotatably installed at the bottom of the external thread groove at the top of the nutritional feeding joint, and a closing cover is rotatably installed at the top of the connecting belt.

[0010] Furthermore, grooves are provided on the inner walls on both sides of the connecting plate, and outer clamping plates are symmetrically fixedly connected to the inner sides of the grooves.

[0011] Furthermore, a circular arc plate is symmetrically connected to the inner side of the outer clamping plate, and an arc groove is provided on the inner side of one end of the circular arc plate.

[0012] Furthermore, one end of the arc plate away from the arc groove is fixedly connected to a pressing plate, and a return spring is fixedly connected to the inner middle part of the pressing plate.

[0013] Furthermore, a rotating plate is rotatably mounted on one end of the auxiliary cavity joint located inside the fixed block, a through hole is opened on one side of the inner part of the rotating plate, and an external tooth groove is opened in the middle part of the outer side of the rotating plate.

[0014] Furthermore, a rotating gear is meshedly connected inside the outer tooth groove, an inflation pipe is closely connected to one side of the bottom of the rotating plate, and an infusion pipe is closely connected to the other side of the bottom of the rotating plate.

[0015] Furthermore, an anti-inhalation balloon and an anti-gastric reflux balloon are provided at the bottom end of the gastric tube body in sequence, and the insides of the anti-inhalation balloon and the anti-gastric reflux balloon are fixedly connected with a gas supply connecting tube, and the bottom of the gas supply connecting tube passes through the gastric tube body and is connected to the inflation pipe.

[0016] Furthermore, a connecting cavity is provided inside the Edi catheter, a top thread groove is provided at the inner top of the connecting cavity, a connecting column is symmetrically fixedly connected to the inner bottom of the connecting cavity, a receiving slot plate is fixedly connected to the top of the connecting column, and a support spring is fixedly connected to the inner bottom of the receiving slot plate.

[0017] Furthermore, the interior of the storage slot plate is located on the inner side of the support spring and is fixedly connected to a limiting slot column, the interior of the limiting slot column is fittedly connected to a nail plate, and the top bottom of the nail plate is fixedly connected to the top of the support spring.

[0018] Furthermore, the part of the gastric tube body that contacts the human body is made of polyurethane Tecoflex EG-85A, and the spring used in the article is made of titanium alloy, and the threads are all made of plastic.

[0019] (III) Beneficial effects

[0020] The beneficial effects of the present invention are as follows:

[0021] 1. The present invention installs the top of the gastric tube body on the bottom of the fixing block through the connecting plate, so that the fixing block connects and fixes the auxiliary cavity joint, the nutrition feeding joint and one end of the Edi catheter, and connects multiple pipelines to form a single pipeline, installs the adapter on the top of the auxiliary cavity joint through the internal thread groove, and installs the closing cover on the end of the nutrition feeding joint through the external thread groove and the connecting belt. When not in use, the end of the joint is closed to keep the port clean and sanitary. By making the material of the part of the gastric tube body that contacts the human body use polyurethane, the spring material is made of titanium alloy, and the threads are all made of plastic material, the patient can also undergo an MRI examination during the wearing process, avoiding the patient from frequently removing the tube.

[0022] 2. The present invention arranges outer clamping plates on both sides of the groove inside the connecting plate to clamp the outer side of the middle end of the arc plate, so that the arc groove at the other end of the pressing plate is clamped and positioned at the patient's bedside railing after compressing the reset spring, thereby preventing the patient from pulling the tube body when lying in bed, causing the gastric tube body to slide and move and cause discomfort to the patient. By rotating the rotating gear, the position of the through hole is adjusted through the external tooth groove meshing linkage rotating plate, so that the through hole can be connected to the inflation pipe and the infusion pipe respectively, so as to realize the switching use of different functions.

[0023] 3. The present invention, through the provision of an inflation pipe and a gas transmission connecting pipe, can inflate the anti-inhalation balloon and the anti-gastric reflux balloon, and can be clamped in a specific position for use. Through the top threaded groove inside the Edi catheter, the Edi test plug can be inserted into the connecting cavity through a threaded connection, so that the nail plate moves downward in the limiting groove column, pushing the support spring to shrink in the storage groove plate, thereby completing the connection between the Edi catheter and the Edi test plug, and connecting the interior of the Edi catheter with the outside world. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional schematic diagram of the structure of the present invention;

[0025] Figure 2 It is a three-dimensional cross-sectional schematic diagram of the structure of the present invention;

[0026] Figure 3 It is a three-dimensional top view cross-sectional schematic diagram of the structure of the present invention;

[0027] Figure 4 It is a three-dimensional side cross-sectional schematic diagram of the structure of the present invention;

[0028] Figure 5 It is a partial cross-sectional schematic diagram of the stomach tube main body structure of the present invention;

[0029] Figure 6 For the present invention Figure 1 A magnified schematic diagram of the structure of the middle A area;

[0030] Figure 7 For the present invention Figure 2 A magnified schematic diagram of the structure of region B in the middle.

[0031] Figure numerals: 1. gastric tube body; 2. connecting plate; 3. fixing block; 4. auxiliary cavity joint; 5. nutritional feeding joint; 6. Edi catheter; 7. internal thread groove; 8. adapter; 9. external thread groove; 10. connecting belt; 11. closing cover; 12. groove; 13. outer splint; 14. arc plate; 15. arc groove; 16. pressing plate; 17. reset spring; 18. rotating plate; 19. through hole; 20. external tooth groove; 21. rotating gear; 22. inflation pipe; 23. infusion pipe; 25. anti-inhalation balloon; 26. anti-gastric reflux balloon; 27. gas supply connecting pipe; 29. ​​connecting cavity; 30. top thread groove; 31. connecting column; 32. storage slot plate; 33. support spring; 34. limit slot column; 35. nail plate. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] Example 1

[0034] See also Figure 1-6A gastric tube for collecting diaphragm electrical signals comprises a gastric tube body 1, a connecting plate 2 is fixedly installed on the top of the gastric tube body 1, a fixing block 3 is fixedly connected to the top of the connecting plate 2, an auxiliary cavity joint 4 is fixedly connected to the middle part of the top of the fixing block 3, a nutrition feeding joint 5 is fixedly connected to one side of the top of the fixing block 3, an Edi catheter 6 is fixedly installed on the side of the top of the fixing block 3 away from the nutrition feeding joint 5, an internal thread groove 7 is provided inside the top of the auxiliary cavity joint 4, an adapter 8 is connected to the internal thread of the internal thread groove 7, an external thread groove 9 is provided on the outside of the top of the nutrition feeding joint 5, a connecting belt 10 is rotatably installed at the bottom of the external thread groove 9 at the top of the nutrition feeding joint 5, a closing cover 11 is rotatably installed at the top of the connecting belt 10, an internal thread matching the external thread groove 9 is provided on the inner wall of the closing cover 11, and an internal thread matching the internal thread groove 7 is provided in the adapter 8.

[0035] In this embodiment, the top of the gastric tube body 1 is installed on the bottom of the fixing block 3 through the connecting plate 2, so that the fixing block 3 is connected and fixed to the auxiliary cavity connector 4, the nutritional feeding connector 5 and one end of the Edi catheter 6, and multiple pipelines are connected to form a single pipeline, and the adapter 8 is installed on the top of the auxiliary cavity connector 4 through the internal thread groove 7, and the closing cover 11 is installed on the end of the nutritional feeding connector 5 through the external thread groove 9 and the connecting belt 10. When not in use, the end of the connector is closed to keep the port clean and sanitary.

[0036] Example 2

[0037] See also Figure 1-6 This embodiment is a further optimization based on the embodiment 1. Specifically, grooves 12 are provided on the inner walls of both sides of the connecting plate 2, and outer clamping plates 13 are symmetrically fixedly connected to the inner sides of the grooves 12.

[0038] Specifically, the inner side of the outer clamping plate 13 is symmetrically connected with an arc plate 14 , and an arc groove 15 is formed on the inner side of one end of the arc plate 14 . The diameter of the arc groove 15 is greater than the diameter of the bed railing.

[0039] Specifically, one end of the arc plate 14 away from the arc groove 15 is fixedly connected to a pressing plate 16 , and a return spring 17 is fixedly connected to the inner middle portion of the pressing plate 16 .

[0040] Specifically, a rotating plate 18 is rotatably mounted on one end of the auxiliary cavity joint 4 located inside the fixed block 3 , a through hole 19 is opened on one side of the inner side of the rotating plate 18 , and an outer tooth groove 20 is opened in the middle of the outer side of the rotating plate 18 .

[0041] Specifically, a rotating gear 21 is meshedly connected inside the outer tooth groove 20 , an air filling pipe 22 is closely connected to one side of the bottom of the rotating plate 18 , and a liquid infusion pipe 23 is closely connected to the other side of the bottom of the rotating plate 18 .

[0042] In this embodiment, outer clamping plates 13 are provided on both sides of the groove 12 inside the connecting plate 2 to clamp the outer side of the middle end of the arc plate 14, so that the arc plate 14 at the other end of the pressing plate 16 is clamped and positioned at the patient's bedside railing after compressing the return spring 17, so as to prevent the patient from pulling the tube body when lying in bed, causing the gastric tube body 1 to slide and move and cause discomfort to the patient. By rotating the rotating gear 21, the rotating plate 18 is engaged through the outer tooth groove 20 to adjust the position of the through hole 19, so that the through hole 19 can be connected to the inflation pipe 22 and the infusion pipe 23 respectively, so as to realize the switching use of different functions.

[0043] Example 3

[0044] See also Figure 1-6 This embodiment is optimized as follows on the basis of Example 1 or Example 2. Specifically, an anti-inhalation balloon 25 and an anti-gastric reflux balloon 26 are provided at the bottom end of the gastric tube body 1 in sequence. The anti-inhalation balloon 25 and the anti-gastric reflux balloon 26 are fixedly connected with a gas supply connecting tube 27 inside. The bottom of the gas supply connecting tube 27 penetrates the gastric tube body 1 and is connected to the inflation pipe 22. The gastric tube entry end is composed of an inflatable anti-inhalation balloon 25 and a gas supply connecting tube 27 connected thereto. The external end of the pipe can be connected to a pressure measuring device, a pressure sensor of an electrocardiogram monitor, and an additional pressure measuring port integrated with a ventilator to display the airbag pressure and monitor the esophageal pressure.

[0045] Specifically, a connecting cavity 29 is provided inside the Edi catheter 6, a top thread groove 30 is provided at the top of the inner top of the connecting cavity 29, and a connecting column 31 is symmetrically fixedly connected to the inner bottom of the connecting cavity 29. One end of the Edi catheter 6 inserted into the body is fused with the outer surface of the gastric tube body 1, and Edi is detected by 10 electrodes (one of which is for positioning, and the others are for collecting the patient's diaphragm electrical signals). The contraction of the diaphragm muscle exerts a force on the electrodes on the catheter, and the electrodes on the catheter use this force to convert electrical signals to supply the ventilator system. The tube body also contains barium wire for X-ray examination. The electrode materials of the EDI device mainly include titanium anode, titanium cathode and ion exchange membrane, which does not affect the nuclear magnetic resonance examination when used in the patient's body.

[0046] Specifically, the top of the connecting column 31 is fixedly connected to a receiving slot plate 32 , and the inner bottom end of the receiving slot plate 32 is fixedly connected to a supporting spring 33 . After the supporting spring 33 contracts, the bottom of the nail plate 35 can fit tightly against the top of the receiving slot plate 32 .

[0047] Specifically, the interior of the storage slot plate 32 is located on the inner side of the support spring 33 and is fixedly connected to a limiting slot column 34, the interior of the limiting slot column 34 is fitted with a nail plate 35, the top bottom of the nail plate 35 is fixedly connected to the top of the support spring 33, the top diameter of the nail plate 35 is matched with the top inner diameter of the connecting cavity 29, so as to facilitate its closure when not in use.

[0048] In this embodiment, through the setting of the inflation pipe 22 and the gas supply connecting pipe 27, the anti-inhalation balloon 25 and the anti-gastric reflux balloon 26 can be inflated and clamped in a specific position for use. Through the top thread groove 30 inside the Edi catheter 6, the Edi test plug can be inserted into the connecting cavity 29 through a threaded connection, so that the nail plate 35 moves downward in the limiting groove column 34, pushing the support spring 33 to shrink in the storage groove plate 32, thereby completing the connection between the Edi catheter 6 and the Edi test plug, and connecting the interior of the Edi catheter 6 with the outside world. The end of the Edi test plug is provided with an external thread that matches the top thread groove 30.

[0049] Working principle: paraffin oil is applied to the outer surface of the gastric tube body 1 for lubrication, and the guide wire is lubricated to facilitate the gastric tube body 1 to be inserted into the patient's stomach and then pulled out. The adapter 8 is installed on the top of the auxiliary cavity connector 4 through the internal thread groove 7, and the rotating gear 21 is rotated to engage the rotating plate 18 through the external tooth groove 20 to adjust the position of the through hole 19, so that the inflation pipe 22 corresponds to the through hole 19, so that the anti-inhalation balloon 25 and the anti-gastric reflux balloon 26 are inflated through the inflation pipe 22 and the gas supply connecting pipe 27 to keep the gastric tube body 1 in the patient's stomach. The closing cap 11 is installed on the end of the nutrition feeding connector 5 through the external thread groove 9 and the connecting belt 10. When not in use, the end of the connector is closed to keep the port clean and hygienic, which is convenient for After opening, nutrient solution can be delivered to the patient's stomach immediately. By pressing the pressing plate 16 inward to shrink the reset spring 17, the arc plate 14 is rotated on the inner side of the outer clamping plate 13 in the groove 12, and the arc groove 15 at one end is clamped and positioned at the patient's bedside railing. The top thread groove 30 inside the Edi catheter 6 can be connected with the Edi module through a threaded connection, so that the Edi module is inserted into the connecting cavity 29, and the nail plate 35 moves downward in the limiting groove column 34, pushing the support spring 33 to shrink in the storage groove plate 32, thereby completing the connection between the Edi catheter 6 and the Edi module, and connecting the inside of the Edi catheter 6 with the outside world, and connecting it to the module cabin of the ventilator system through the Edi cable and the Edi module.

[0050] In summary, in the present invention, the top of the gastric tube body 1 is installed on the bottom of the fixing block 3 through the connecting plate 2, so that the fixing block 3 connects and fixes the auxiliary cavity joint 4, the nutritional feeding joint 5 and one end of the Edi catheter 6, and connects multiple pipes to form a single pipe, and the adapter 8 is installed on the top of the auxiliary cavity joint 4 through the internal thread groove 7, and the closing cover 11 is installed on the end of the nutritional feeding joint 5 through the external thread groove 9 and the connecting belt 10. When not in use, the end of the joint is closed to keep the port clean and sanitary. By making the material of the part of the gastric tube body 1 that contacts the human body use polyurethane, the spring material is titanium alloy, and the threads are all made of plastic material, the patient can also undergo an MRI examination during the wearing process to avoid the patient from frequently removing the tube, and the outer splints 13 are arranged on both sides of the groove 12 inside the connecting plate 2 to clamp the outer side of the middle end of the arc plate 14, so that the pressing plate 16 can compress the return spring 17 after the arc plate 1 at the other end is closed. 4 is clamped and positioned at the patient's bedside railing to prevent the patient from pulling the tube body when lying in bed, causing the stomach tube body 1 to slide and move to a position causing discomfort to the patient. By rotating the rotating gear 21, the outer tooth groove 20 is meshed and linked to the rotating plate 18 to adjust the position of the through hole 19, so that the through hole 19 can be connected to the inflation pipe 22 and the infusion pipe 23 respectively, and the through hole 19 can be used to switch between different functions. Through the setting of the inflation pipe 22 and the gas supply connecting pipe 27, the anti-inhalation balloon 25 and the anti-gastric reflux balloon 26 can be inflated and clamped in a specific position for use. Through the top thread groove 30 inside the Edi catheter 6, the Edi test plug can be inserted into the connecting cavity 29 through a threaded connection, so that the nail plate 35 moves downward in the limiting groove column 34, and the support spring 33 is pushed to shrink in the storage groove plate 32, thereby completing the connection between the Edi catheter 6 and the Edi test plug, and connecting the inside of the Edi catheter 6 with the outside.

[0051] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. The patent protection scope of the present invention shall be based on the claims. All equivalent structural changes made using the contents of the description and drawings of the present invention should also be included in the protection scope of the present invention.

Claims

1. A gastric tube for collecting diaphragm electrical signals, comprising a gastric tube body (1), characterized in that: A connecting plate (2) is fixedly installed on the top of the gastric tube body (1), a fixing block (3) is fixedly connected to the top of the connecting plate (2), an auxiliary cavity joint (4) is fixedly connected to the middle of the top of the fixing block (3), a nutrition feeding joint (5) is fixedly connected to one side of the top of the fixing block (3), an Edi catheter (6) is fixedly installed on the side of the top of the fixing block (3) away from the nutrition feeding joint (5), an internal thread groove (7) is provided inside the top of the auxiliary cavity joint (4), an adapter (8) is connected to the internal thread of the internal thread groove (7), an external thread groove (9) is provided on the outside of the top of the nutrition feeding joint (5), a connecting belt (10) is rotatably installed at the bottom of the external thread groove (9) at the top of the nutrition feeding joint (5), and a closing cover (11) is rotatably installed at the top of the connecting belt (10).

2. The diaphragm electrical signal collection gastric tube according to claim 1, characterized in that: Grooves (12) are provided on the inner walls of both sides of the connection plate (2), and outer clamping plates (13) are symmetrically fixedly connected to the inner sides of the grooves (12).

3. The diaphragm electrical signal collection gastric tube according to claim 2, characterized in that: The inner side of the outer clamping plate (13) is symmetrically connected with a circular arc plate (14), and an arc groove (15) is formed on the inner side of one end of the circular arc plate (14).

4. The diaphragm electrical signal collection gastric tube according to claim 3, characterized in that: One end of the arc plate (14) away from the arc groove (15) is fixedly connected to a pressing plate (16), and a return spring (17) is fixedly connected to the inner middle part of the pressing plate (16).

5. The diaphragm electrical signal collection gastric tube according to claim 1, characterized in that: A rotating plate (18) is rotatably mounted on one end of the auxiliary cavity joint (4) located inside the fixed block (3), a through hole (19) is provided on one side of the interior of the rotating plate (18), and an external tooth groove (20) is provided in the middle of the outer side of the rotating plate (18).

6. The diaphragm electrical signal collection gastric tube according to claim 5, characterized in that: The outer tooth groove (20) is internally meshed with a rotating gear (21), one side of the bottom of the rotating plate (18) is closely connected to an inflation pipe (22), and the other side of the bottom of the rotating plate (18) is closely connected to a liquid infusion pipe (23).

7. The diaphragm electrical signal collection gastric tube according to claim 6, characterized in that: The bottom end of the gastric tube body (1) is provided with an anti-inhalation balloon (25) and an anti-gastric reflux balloon (26) in sequence, and the insides of the anti-inhalation balloon (25) and the anti-gastric reflux balloon (26) are fixedly connected with a gas supply connecting tube (27), and the bottom of the gas supply connecting tube (27) passes through the gastric tube body (1) and is connected to the inflation pipe (22).

8. The diaphragm electrical signal collection gastric tube according to claim 1, characterized in that: The Edi catheter (6) is provided with a connecting cavity (29) inside, the top end of the connecting cavity (29) is provided with a top thread groove (30), the bottom end of the connecting cavity (29) is symmetrically fixedly connected with a connecting column (31), the top of the connecting column (31) is fixedly connected with a receiving slot plate (32), and the bottom end of the receiving slot plate (32) is fixedly connected with a supporting spring (33).

9. The diaphragm electrical signal collection gastric tube according to claim 8, characterized in that: The interior of the storage slot plate (32) is located inside the support spring (33) and is fixedly connected to a limiting slot column (34), the interior of the limiting slot column (34) is fitted with a nail plate (35), and the top and bottom of the nail plate (35) are fixedly connected to the top of the support spring (33).

10. The diaphragm electrical signal collection gastric tube according to claim 1, characterized in that: The part of the gastric tube body 1 that contacts the human body is made of polyurethane Tecoflex EG-85A, and the spring used in the article is made of titanium alloy, and the threads are all made of plastic.

Images