A pressure measuring type stomach tube with dynamic monitoring function
By installing an air balloon and pressure detection ring on the gastric tube, a dynamic monitoring system has been developed, which solves the problem of insufficient accuracy of existing pressure-measuring gastric tubes and achieves accurate and cost-effective pressure monitoring over long periods of time.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU ANLIAN MEDICAL EQUIP CO LTD
- Filing Date
- 2025-03-05
- Publication Date
- 2026-07-14
AI Technical Summary
Existing pressure-measuring gastric tubes rely on the pressure of the balloon to detect pressure, which lacks accuracy. Especially during long-term use, the air pressure inside the balloon is easily affected by other factors, leading to deviations in monitoring results.
A pressure-measuring gastric tube with dynamic monitoring function is designed. By setting an air bladder, a pressure detection ring, and a long bar on the gastric tube body, the air bladder and pressure detection ring are combined to monitor the pressure in the esophagus and stomach. It is connected to external equipment through a fixed connecting block and connecting branch tube to ensure data accuracy.
It achieves accurate pressure monitoring data over long periods, reduces monitoring costs, and maintains pressure monitoring accuracy when changing gastric tubes.
Smart Images

Figure CN224483992U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical equipment technology, and in particular to a pressure-measuring gastric tube with dynamic monitoring function. Background Technology
[0002] A manometry tube is a special medical device that is inserted into the esophagus and stomach through the nose or mouth to monitor changes in stomach pressure. It is mainly used to monitor intragastric pressure and to perform gastrointestinal decompression. It is widely used in clinical practice for patients who need to be assessed for gastrointestinal function or to treat specific gastrointestinal problems.
[0003] Currently, most gastric tubes are disposable. Gastric tubes with pressure monitoring functions usually have an air bladder on their surface. After being inserted into the patient's esophagus and stomach, the air bladder is inflated through a branch tube and connected to a pressure monitoring device to monitor the pressure on the air bladder. However, relying solely on the pressure of the air bladder to detect pressure is not accurate enough, especially when the gastric tube is kept in the patient's body for a long time. When it is necessary to monitor the pressure of the esophagus and stomach for a long time, the air pressure in the air bladder is easily affected by other factors and changes, which ultimately leads to deviations in the monitoring results.
[0004] Therefore, it is necessary to design a pressure-measuring gastric tube with long-term dynamic monitoring capabilities. Utility Model Content
[0005] To overcome the shortcomings of existing pressure-measuring gastric tubes that rely solely on the pressure of the balloon to detect pressure, especially when the gastric tube is kept in the patient's body for a long time, the air pressure inside the balloon is easily affected by other factors and changes, which ultimately leads to deviations in the monitoring results, the purpose of this utility model is to provide a pressure-measuring gastric tube with dynamic monitoring function.
[0006] Technical Solution: A pressure-measuring gastric tube with dynamic monitoring function, comprising: a gastric tube body and connecting branches, wherein the gastric tube body has two connecting branches inside; an air bladder, wherein the gastric tube body has two air bladders respectively acting on the esophagus and stomach; a fixed connecting block, wherein the gastric tube body has a fixed connecting block at each position near the air bladder; a connecting tube, wherein the air bladder has a connecting tube inside, and one end of the connecting branch near the air bladder is connected to the connecting tube through the fixed connecting block; a pressure detection ring, wherein the air bladder has a pressure detection ring inside; and long rods, wherein multiple long rods are evenly spaced on the side wall of the air bladder that do not contact the pressure detection ring, wherein when the air bladder is inflated, the long rods make slight contact with the pressure detection ring.
[0007] As an improvement to the above solution, it also includes: an extension tube, which is connected to a fixed connecting block near the middle of the gastric tube body; a shaping strip, which is connected to the outer wall of the extension tube and controls the extension tube to spirally wrap around the gastric tube body; and a movable connecting block, which is provided at one end of the balloon near the middle of the gastric tube body and is connected to the extension tube.
[0008] As an improvement to the above solution, it also includes: an elastic sleeve, on which the gastric tube body is fitted near the extension tube, the elastic sleeve wrapping the extension tube around the gastric tube body.
[0009] As an improvement to the above solution, it also includes: a limiting ring, in which a limiting ring is connected to both ends of the gastric tube body at the position of the balloon, and the limiting ring can generate a large frictional force with the gastric tube.
[0010] As an improvement to the above solution, the two connecting branches that connect to the two balloons monitoring the esophagus and stomach are staggered and set on both sides of the gastric tube body, and the length of the connecting branches is less than 8 cm.
[0011] This invention has the following advantages: The device attaches an airbag to the gastric tube body and connects to an external detection device through a fixed connecting block and a connecting branch tube. During long-term use, the airbag and pressure detection ring simultaneously monitor the pressure of the esophagus and stomach. By combining the two data, the accuracy of the detection data is ensured. Moreover, when the gastric tube needs to be replaced or is used up, the airbag can be removed from the gastric tube. This ensures the accuracy of pressure monitoring and reduces monitoring costs while using disposable gastric tubes. Attached Figure Description
[0012] Figure 1 This is a three-dimensional structural diagram of the present invention.
[0013] Figure 2 This is a partial three-dimensional structural diagram of the present invention.
[0014] Figure 3 This is an enlarged view of part A of this utility model.
[0015] Figure 4 This is an enlarged view of part B of this utility model.
[0016] Figure 5 This is a partially exploded three-dimensional structural view of the present invention.
[0017] The labels in the diagram are as follows: 1. Gastric tube body, 2. Connecting branch tube, 3. Balloon, 4. Fixed connecting block, 5. Connecting tube, 6. Pressure detection ring, 7. Long bar, 8. Extension tube, 801. Shaping bar, 802. Moving connecting block, 9. Elastic sleeve, 10. Limiting ring. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example
[0019] like Figures 1 to 4 As shown, this utility model provides a pressure-measuring gastric tube with dynamic monitoring function, specifically including a gastric tube body 1, a connecting branch tube 2, an air balloon 3, a fixing connecting block 4, a connecting tube 5, a pressure detection ring 6, and a long rod 7;
[0020] Two connecting branch tubes 2 are respectively installed inside the wall of the gastric tube body 1. The air inlet end of the connecting branch tube 2 penetrates the wall of the gastric tube body 1. Two air bladders 3, which act on the esophagus and stomach respectively, are installed on the gastric tube body 1 near the tip. Fixed connecting blocks 4 are provided at the tip and middle of the gastric tube body 1 near the air bladders 3. The air bladders 3 have connecting tubes 5 inside that communicate with the air bladders 3. The end of the connecting branch tube 2 near the air bladders 3 is connected to the connecting tube 5 of the nearby air bladders 3 through the fixed connecting block 4. When in use, air is inflated into the air bladders 3 through the connecting branch tube 2 and connected to external monitoring equipment to achieve the purpose of monitoring the pressure of the esophagus and stomach through the air bladders 3.
[0021] The pressure detection ring 6 is located inside the air bladder 3 on the side wall near the gastric tube body 1. Multiple long rods 7 are evenly spaced inside the air bladder 3 on the side wall away from the gastric tube body 1. When the air bladder 3 is inflated, the long rods 7 slightly contact the pressure detection ring 6. When the air bladder 3 is squeezed in the esophagus and stomach, the inner wall of the air bladder 3 drives the long rods 7 to squeeze the pressure detection ring 6. The pressure detection ring 6 can detect the pressure data received at this time and send it to the external monitoring device.
[0022] For example, during use, medical staff place the balloon 3 near the tip and middle of the gastric tube body 1, respectively, and connect the balloon 3 to the connecting branch tube 2 through the connecting tube 5 and the fixing connecting block 4. Then, the medical staff inserts the gastric tube together with the balloon 3 into the patient's body, ensuring that the balloon 3 near the tip of the gastric tube is kept in the patient's stomach, and the balloon 3 in the middle of the gastric tube body 1 is kept in the patient's esophagus. Subsequently, the balloon 3 is inflated through the connecting branch tube 2, and an external detection device is connected to monitor the pressure of the esophagus and stomach. During the detection process, the pressure detection ring 6 is kept active. When the esophagus and stomach compress the balloon 3, the balloon 3 deforms, causing the long rod 7 to compress the pressure detection ring 6. The external detection device collects the detection data of the pressure detection ring 6. When long-term monitoring is performed, the accuracy of the detection data is further aided by combining the data of the balloon 3 pressure detected multiple times with the data of the pressure detection ring 6. In addition to normal gastric suction and eating, the gastric tube can also continuously monitor the pressure of the esophagus and stomach.
[0023] In this embodiment, the airbag 3 is fitted onto the gastric tube body 1 and then connected to the connecting branch tube 2 via the fixing connecting block 4. When the gastric tube needs to be replaced or when the gastric tube is used up, the airbag 3 can be removed from the gastric tube by disconnecting the connection between the connecting tube 5 and the fixing connecting block 4. This ensures the accuracy of pressure monitoring and reduces monitoring costs while using disposable gastric tubes. Example
[0024] like Figure 2 , Figure 4 and Figure 5 As shown, based on Embodiment 1, it further includes an extension tube 8, a shaping strip 801, and a movable connecting block 802;
[0025] Among them, the extension tube 8 is set on the fixed connecting block 4 located in the middle of the gastric tube body 1, and the air bladder 3 located in the middle of the gastric tube body 1 is provided with a movable connecting block 802 at one end. The extension tube 8 is connected to the movable connecting block 802, and the air bladder 3 is connected to the movable connecting block 802 through the connecting tube 5, thereby connecting the connecting tube 5 to the extension tube 8.
[0026] Among them, the shaping strip 801 is set on the outer wall of the extension tube 8. The shaping strip 801 can freely control the twisting and deformation, and the shaping strip 801 controls the extension tube 8 to spirally wrap around the gastric tube body 1.
[0027] When different patients use a gastric tube, the distance from the appropriate monitoring position of the esophagus to the stomach varies. After determining the distance, medical staff can adjust and control the movement of the balloon 3 located in the middle of the gastric tube body 1 on the gastric tube to ensure that the balloon 3 is kept in the appropriate position during use. At the same time, when the balloon 3 moves, the extension tube 8 can drive the shaping strip 801 to deform. While ensuring that the extension tube 8 is connected to the balloon 3 and the connecting branch tube 2, the position of the extension tube 8 is tightly wrapped around and attached to the gastric tube body 1 to avoid affecting the patient.
[0028] like Figure 5 As shown, based on embodiment 1, it further includes an elastic sleeve 9. The elastic sleeve 9 is fitted on the gastric tube body 1 near the extension tube 8, and the elastic sleeve 9 wraps the extension tube 8 around the gastric tube body 1.
[0029] When in use, the elastic sleeve 9 can wrap the extension tube 8 and the gastric tube body 1, isolate the extension tube 8 from the patient's esophagus, avoid irritating the patient, and fix the extension tube 8 and the shaping strip 801 to prevent the extension tube 8 from coming apart.
[0030] like Figure 2 , Figure 3 and Figure 4 As shown, based on embodiment 1, it further includes a limiting ring 10. The limiting ring 10 of elastic material is connected to both ends of the gastric tube body 1 at the positions of the air bladder 3. The limiting ring 10 can generate a large frictional force with the gastric tube.
[0031] The limiting rings 10 at both ends of the airbag 3 can help fix the airbag 3, preventing the airbag 3 from moving on the gastric tube body 1 when not operated by medical staff.
[0032] The two connecting branches 2, which are connected to the two air sacs 3 that monitor the esophagus and stomach, are staggered on both sides of the gastric tube body 1, and the length of the connecting branches 2 is less than 8 cm.
[0033] The two connecting branches 2 are staggered on both sides of the gastric tube body 1, and their length is kept to be less than 8 cm, which can prevent the two connecting branches 2 from getting tangled and knotted together to the point that they cannot be untied.
[0034] The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Therefore, all equivalent changes made based on the content described in the claims of the present utility model should be included within the scope of the claims of the present utility model.
Claims
1. A pressure-measuring gastric tube with dynamic monitoring function, characterized in that it comprises: The gastric tube body (1) and connecting branch tubes (2) are provided inside the gastric tube body (1). Air sacs (3), the gastric tube body (1) is provided with two air sacs (3) that act on the esophagus and stomach respectively. Fixed connecting block (4) is provided on the gastric tube body (1) near the balloon (3); Connecting tube (5), the airbag (3) is provided with connecting tube (5), and the end of connecting branch tube (2) near the airbag (3) is connected to connecting tube (5) through fixed connecting block (4); Pressure detection ring (6), the airbag (3) is equipped with a pressure detection ring (6); Long rods (7) are evenly spaced on the side wall of the airbag (3) that does not contact the pressure detection ring (6). When the airbag (3) is fully inflated, the long rods (7) make slight contact with the pressure detection ring (6).
2. The pressure-measuring gastric tube with dynamic monitoring function as described in claim 1, characterized in that it also... include: The extension tube (8) is connected to the fixed connecting block (4) located near the middle of the gastric tube body (1). A shaping strip (801) is connected to the outer wall of the extension tube (8). The shaping strip (801) controls the extension tube (8) to spirally wrap around the gastric tube body (1). The movable connecting block (802) is provided at one end of the air bladder (3) near the middle of the gastric tube body (1), and the extension tube (8) is connected to the movable connecting block (802).
3. A pressure-measuring gastric tube with dynamic monitoring function as described in claim 2, characterized in that it also... include: An elastic sleeve (9) is fitted on the gastric tube body (1) near the extension tube (8).
4. A pressure-measuring gastric tube with dynamic monitoring function as described in claim 3, characterized in that it also... include: A limiting ring (10) is connected to the gastric tube body (1) at both ends of the air sac (3).
5. A pressure-measuring gastric tube with dynamic monitoring function as described in claim 4, characterized in that, The two connecting branches (2) that are connected to the two air sacs (3) for monitoring the esophagus and stomach are staggered on both sides of the gastric tube body (1), and the length of the connecting branches (2) is less than 8 cm.