Stomach tube with respiration monitoring function
By installing pressure sensors in the gastric tube and using an adjustable mounting tube and wire guide system, the problem of respiratory monitoring in premature babies in NICU is solved, and accurate respiratory monitoring is achieved during nasal feeding, improving monitoring accuracy and comfort .
Patent Information
- Application Number
- CN202411663243.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2024-12-31
AI Technical Summary
In NICU, uneven breathing in premature infants may lead to intermittent breathing or apnea. The use of existing gastric tubes and respiratory monitors increases the burden on the children. In addition, premature infants are small in size and thin in tissues, making it difficult to get the gastric tubes. Integrated with the pressure sensor for breath monitoring.
A gastric tube with respiratory monitoring function was designed. By installing a pressure sensor in the gastric tube, and through an adjustable mounting tube and wire guide system, the sensor is located in the highly compressed position of the esophagus, achieving 24-hour respiratory monitoring. Adjust strategies during nasofeeding.
Accurate respiratory monitoring is achieved while nasofesting, which improves monitoring accuracy, reduces the burden on children, and ensures stable operation of the sensor through position adjustment.
Smart Images
Figure CN119214940A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the field of medical instruments, and in particular to a gastric tube with a respiratory monitoring function. Background Art
[0002] In the current NICU (neonatal intensive care unit) usage scenario, the child's breathing may be uneven, and breathing intervals or apnea may occur. Currently, children usually wear a gastric tube for nasogastric feeding and a respiratory monitor for respiratory monitoring. The simultaneous use of these two devices will increase the burden on the child.
[0003] Because premature babies are small in size and have thin tissues, pressure during breathing can be transmitted and compress the esophagus. Therefore, how to integrate the gastric tube and pressure sensor to achieve both nasogastric feeding and respiratory monitoring is an urgent problem that needs to be solved. Summary of the invention
[0004] In view of the deficiencies in the prior art, an object of the present invention is to provide a gastric tube with a respiratory monitoring function, which can realize real-time respiratory monitoring of infants.
[0005] The above technical purpose of the present invention is achieved through the following technical solutions: a gastric tube with a respiratory monitoring function, comprising a tube body, a connector, a mounting tube and a pressure sensor, the connector being arranged at the upper end of the tube body, the mounting tube being arranged at the middle and upper part of the tube body, the pressure sensor being embedded in the mounting tube, mounting channels being arranged inside both sides of the tube body, the lower end of the mounting channel passing through the outer wall of the tube body and being aligned with the middle position of the mounting tube, the upper end of the mounting channel passing through the upper side wall of the tube body and being located below the connector, and a signal line connected to the pressure sensor being arranged in the mounting channel.
[0006] In a preferred example, the present invention can be further configured as follows: both ends of the mounting tube are provided with hemispherical end caps, the end caps are made of soft medical natural latex, both ends of the mounting tube are provided with step-shaped grooves, and the end caps are provided with snap rings embedded in the grooves.
[0007] In a preferred example, the present invention can be further configured as follows: a connecting ring groove is provided on both the end cap and the clamping ring, and a connecting convex ring for embedding in the connecting ring groove is provided on the mounting tube.
[0008] In a preferred example, the present invention can be further configured as follows: the mounting tube is slidably connected to the outer wall of the tube body, a guide wire is arranged in each mounting channel, the lower end of the guide wire is connected to the middle position of the mounting tube, and the upper end is located outside the tube body, and a pair of driving mechanisms for controlling the sliding of the guide wire are arranged on the connecting head.
[0009] In a preferred example, the present invention can be further configured as follows: the driving mechanism includes a driving block, a slider, an anti-slip pattern and a locking piece, the driving block is vertically arranged on the outer wall of the connecting head, the slider is arranged on the inner wall of the driving block, a sliding groove for the slider to slide is vertically arranged on the connecting head, the anti-slip pattern is transversely arranged on the outer wall of the driving block, and the locking piece is used to fix the driving block.
[0010] In a preferred example, the present invention can be further configured as follows: the locking member includes a locking rod, an elastic plate and a pressing block, the locking rod is horizontally slidably connected to the driving block, the inner wall of the slide groove is provided with a row of locking holes for the locking rod to be inserted, the elastic plate is bent and arranged inside the driving block, and the bulged position in the middle faces outward, the locking rod is fixed to the middle position of the elastic plate, and the pressing block is vertically slidably connected to both ends of the locking rod and fixed to both ends of the elastic plate.
[0011] In a preferred example, the present invention can be further configured as follows: a guide rod is horizontally arranged at the middle bulge position of the elastic plate, and a guide hole for the guide rod to pass through is arranged on the driving block.
[0012] In summary, the present invention has the following beneficial effects: 1. By setting up a gastric tube that integrates a nasogastric feeding tube and a pressure sensor, when the child breathes, the pressure is transmitted and the esophagus is compressed, thereby acting on the pressure sensor. This means that the child's breathing condition can be monitored 24 hours a day, and the nasogastric feeding strategy can be adjusted according to the breathing monitoring during nasogastric feeding; 2. By providing an adjustable mounting tube, the position of the pressure sensor can be adjusted so that the pressure sensor is located at a strong compression position of the esophagus, thereby ensuring stable monitoring of the pressure sensor and effectively improving the monitoring accuracy. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a structural schematic diagram of an embodiment; Figure 2 is a schematic diagram of the internal structure of an embodiment; Figure 3 yes Figure 2 A local enlarged view of point A in FIG. Figure 4 yes Figure 2 A local enlarged view of point B in FIG.
[0014] Figure numerals: 1. tube body; 11. guide head; 2. connecting head; 21. slide groove; 22. locking hole; 3. mounting tube; 31. end cap; 32. slot; 33. snap ring; 34. connecting ring groove; 35. connecting convex ring; 4. pressure sensor; 5. mounting channel; 6. signal line; 7. guide wire; 8. driving mechanism; 81. driving block; 82. slider; 83. anti-slip pattern; 9. locking piece; 91. locking rod; 92. elastic plate; 93. pressing block; 94. guide rod; 95. guide hole. DETAILED DESCRIPTION
[0015] The present invention is further described in detail below in conjunction with the accompanying drawings.
[0016] like Figure 1 , Figure 2 As shown, a gastric tube with a respiratory monitoring function includes a tube body 1, a connector 2, a mounting tube 3 and a pressure sensor 4.
[0017] like Figure 1 , Figure 2 As shown, the tube body 1 is used to be inserted into the stomach of the child along the nasal cavity and esophagus, and the lower end of the tube body 1 is provided with a guide head 11 in an arc shape to play a guiding role, so that the tube body 1 can be easily and painlessly inserted into the stomach of the child. The connector 2 is provided at the upper end of the tube body 1, and is used to connect medical devices such as syringes to realize nasogastric feeding operation.
[0018] like Figure 1 , Figure 2 As shown, the mounting tube 3 is arranged in the middle and upper part of the tube body 1, the length of the mounting tube 3 is 20 mm, the inner ring diameter is the same as the outer diameter of the tube body 1, and the mounting tube 3 is made of an inelastic annular anti-corrosion metal material, and the whole is a ring without cracks, which has good biocompatibility and gastric acid corrosion resistance. At the same time, two pressure sensors 4 are provided, and the two pressure sensors 4 are embedded on both sides of the mounting tube 3 and are used to monitor the pressure in the esophagus.
[0019] like Figure 1 , Figure 2 As shown, installation channels 5 are provided inside both sides of the tube body 1, and the lower end of the installation channel 5 passes through the outer wall of the tube body 1 and is aligned with the middle position of the installation tube 3. The upper end of the installation channel 5 passes through the upper end side wall of the tube body 1 and is located below the connector 2. A signal line 6 connected to the pressure sensor 4 is provided in the installation channel 5.
[0020] When the gastric tube device is in use, the lower end of the tube body 1 is inserted into the nasal cavity of the child, and the tube body 1 is gently pushed to enter the stomach of the child along the esophagus. At the same time, the mounting tube 3 and the pressure sensor 4 are placed in the esophagus of the child together with the gastric tube.
[0021] When the child is breathing, the pressure generated by the breathing can be transmitted to compress the esophagus, thereby acting on the pressure sensor 4, which means that the child's breathing condition can be monitored 24 hours a day, and the nasogastric feeding strategy can be adjusted according to the breathing monitoring during nasogastric feeding.
[0022] like Figure 2 , Figure 3 As shown, both ends of the mounting tube 3 are provided with hemispherical end caps 31, which are made of soft medical natural latex, and both ends of the mounting tube 3 are provided with step-shaped grooves 32, and the end caps 31 are provided with snap rings 33 embedded in the grooves 32. Both the end caps 31 and the snap rings 33 are provided with connecting ring grooves 34, and the mounting tube 3 is provided with connecting convex rings 35 for embedding in the connecting ring grooves 34.
[0023] Therefore, by arranging soft end caps 31 at both ends of the installation tube 3 for wrapping, it is possible to avoid scratching the esophagus during installation and removal of the gastric tube, thereby ensuring the non-injury installation and removal of the gastric tube. At the same time, the connection convex ring 35 and the connection ring groove 34 are added to achieve glue-free installation, thereby avoiding damage to the esophagus of the child, and at the same time, the end cap 31 is tightly connected to the installation tube 3 to prevent the end cap 31 from falling off.
[0024] like Figure 2 , Figure 3 , Figure 4 As shown, the mounting tube 3 is slidably connected to the outer wall of the tube body 1, and a guide wire 7 is arranged in each mounting channel 5. The lower end of the guide wire 7 is connected to the middle position of the mounting tube 3, and the upper end is located outside the tube body 1. A pair of driving mechanisms 8 for controlling the sliding of the guide wire 7 are arranged on the connector 2.
[0025] like Figure 4 As shown, the driving mechanism 8 includes a driving block 81, a slider 82, an anti-slip pattern 83 and a locking member 9. The driving block 81 is vertically arranged on the outer wall of the connector 2, the slider 82 is arranged on the inner wall of the driving block 81, a sliding groove 21 for the slider 82 to slide is vertically arranged on the connector 2, and the anti-slip pattern 83 is horizontally arranged on the outer wall of the driving block 81.
[0026] like Figure 4 As shown, the locking member 9 is used to fix the driving block 81 , and the locking member 9 includes a locking rod 91 , an elastic plate 92 and a pressing block 93 .
[0027] like Figure 4 As shown, the locking rod 91 is horizontally slidably connected to the driving block 81, and the inner wall of the slide slot 21 is provided with a row of locking holes 22 for the locking rod 91 to be inserted. The elastic plate 92 is arranged inside the driving block 81 in a bent shape, and the bulge in the middle is facing outward.
[0028] like Figure 4As shown, a guide rod 94 is horizontally arranged at the middle bulge position of the elastic plate 92, and a guide hole 95 is arranged on the driving block 81 for the guide rod 94 to pass through. The locking rod 91 is fixed at the middle concave position of the elastic plate 92, and the pressing block 93 is vertically slidably connected to both ends of the locking rod 91 and fixed to both ends of the elastic plate 92.
[0029] When the position of the mounting tube 3 and the pressure sensor 4 needs to be adjusted, the pair of pressing blocks 93 can be pressed close to each other, and the pair of pressing blocks 93 squeeze the elastic plate 92 to bend the elastic plate 92 outward, and the elastic plate 92 drives the guide rod 94 to slide in the guide hole 95, and also drives the locking rod 91 to move synchronously and disengage from the locking hole 22. Then, the driving block 81 is pulled to drive the slider 82 to slide vertically, and the driving block 81 controls the guide wire 7 to move synchronously, and the guide wire 7 drives the mounting tube 3 to slide, so as to achieve the position adjustment of the mounting tube 3 and the pressure sensor 4.
[0030] When the adjustment is completed, release the pressing block 93, and it will automatically reset under the elastic force of the elastic plate 92, so that the locking rod 91 is inserted into the locking hole 22, thereby fixing the driving block 81, and then indirectly fixing the guide wire 7 and the mounting tube 3, and adjusting the position of the pressure sensor 4, so that the pressure sensor 4 is located at the strong compression position of the esophagus, thereby ensuring the stable monitoring of the pressure sensor 4 and effectively improving the monitoring accuracy.
[0031] When adjusting the position of the mounting tube 3, the two driving blocks 81 can be controlled to move synchronously in the same direction, so as to achieve the straight up and down control of the mounting tube 3 and the adjustment of the height position of the mounting tube 3 and the pressure sensor 4. The two driving blocks 81 can also be controlled to move synchronously in the opposite direction, and one guide wire 7 can be tightened while the other guide wire 7 can be loosened. At this time, the gastric tube and the mounting tube 3 can be gradually tilted to adapt to the shape and structure of the esophagus, so as to ensure the accurate detection of the esophageal pressure.
[0032] The specific embodiments are merely explanations of the present invention and are not limitations of the present invention. After reading this specification, those skilled in the art may make modifications to the embodiments without any creative contribution as needed. However, such modifications are protected by the patent law as long as they are within the scope of the claims of the present invention.
Claims
1. A gastric tube with respiratory monitoring function, characterized in that: The invention comprises a tube body (1), a connector (2), a mounting tube (3) and a pressure sensor (4); the connector (2) is arranged at the upper end of the tube body (1); the mounting tube (3) is arranged at the middle and upper part of the tube body (1); the pressure sensor (4) is embedded in the mounting tube (3); mounting channels (5) are arranged inside both sides of the tube body (1); the lower end of the mounting channel (5) passes through the outer wall of the tube body (1) and is aligned with the middle position of the mounting tube (3); the upper end of the mounting channel (5) passes through the upper end side wall of the tube body (1) and is located below the connector (2); and a signal line (6) connected to the pressure sensor (4) is arranged in the mounting channel (5).
2. A gastric tube with respiratory monitoring function according to claim 1, characterized in that: Both ends of the mounting tube (3) are provided with hemispherical end caps (31), the end caps (31) are made of soft medical natural latex, both ends of the mounting tube (3) are provided with step-shaped clamping grooves (32), and the end caps (31) are provided with clamping rings (33) embedded in the clamping grooves (32).
3. A gastric tube with respiratory monitoring function according to claim 2, characterized in that: The end cap (31) and the clamping ring (33) are both provided with a connecting ring groove (34), and the mounting tube (3) is provided with a connecting convex ring (35) for embedding in the connecting ring groove (34).
4. A gastric tube with respiratory monitoring function according to claim 1, characterized in that: The mounting tube (3) is slidably connected to the outer wall of the tube body (1), a guide wire (7) is arranged in each mounting channel (5), the lower end of the guide wire (7) is connected to the middle position of the mounting tube (3), and the upper end is located outside the tube body (1), and a pair of driving mechanisms (8) for controlling the sliding of the guide wire (7) are arranged on the connector (2).
5. A gastric tube with respiratory monitoring function according to claim 4, characterized in that: The driving mechanism (8) comprises a driving block (81), a sliding block (82), an anti-slip pattern (83) and a locking member (9); the driving block (81) is vertically arranged on the outer wall of the connecting head (2); the sliding block (82) is arranged on the inner wall of the driving block (81); a sliding groove (21) for the sliding block (82) to slide is vertically arranged on the connecting head (2); the anti-slip pattern (83) is transversely arranged on the outer wall of the driving block (81); and the locking member (9) is used to fix the driving block (81).
6. A gastric tube with respiratory monitoring function according to claim 5, characterized in that: The locking member (9) comprises a locking rod (91), an elastic plate (92) and a pressing block (93); the locking rod (91) is horizontally slidably connected to the driving block (81); the inner wall of the slide groove (21) is provided with a row of locking holes (22) for the locking rod (91) to be inserted; the elastic plate (92) is arranged inside the driving block (81) in a bent shape, with the bulged position in the middle facing outward; the locking rod (91) is fixed at the middle position of the elastic plate (92); the pressing block (93) is vertically slidably connected to the two ends of the locking rod (91), and is fixed to the two ends of the elastic plate (92).
7. A gastric tube with respiratory monitoring function according to claim 6, characterized in that: A guide rod (94) is horizontally arranged at a bulging position in the middle of the elastic plate (92), and a guide hole (95) for the guide rod (94) to pass through is arranged on the driving block (81).