Disposable neonatal nasal irrigation tube

Abstract

The invention relates to the technical field of nasal irrigation tubes, in particular to a disposable neonatal nasal irrigation tube which comprises a negative pressure tube, one end of the negative pressure tube is in butt joint with an exhaust tube of a negative pressure device, the other end of the negative pressure tube is connected with a storage tube, and the end, away from the negative pressure tube, of the storage tube is provided with a liquid inlet section and a vertical section communicated with the middle of the liquid inlet section. A soft head with a liquid inlet hole is detachably connected to the liquid inlet section in a butt joint mode, a piston block is arranged in the storage pipe in a sealed and sliding mode, and the piston block divides the storage pipe into a negative pressure cavity and a liquid storage cavity. The soft head is selected according to the size of the nostril, the liquid inlet section is inserted into the butt joint hole until the annular edge is embedded into the annular groove, the soft head is convenient to install, the soft head is plugged into the nostril of the newborn, the negative pressure device is controlled to exhaust air, the piston block moves leftwards under the negative pressure effect, liquid is sucked into the liquid storage cavity, the piston block and the conical block continue to move leftwards, and the insertion rod leaves the insertion hole. The liquid backflow prevention device is simple in structure, liquid backflow is automatically and effectively avoided, and operation safety is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of nasal washing tubes, in particular to a disposable nasal washing tube for newborns. Background Art

[0002] Neonatal nasal care is an indispensable operation in neonatal clinics. Its core is to safely and efficiently remove neonatal nasal secretions to ensure smooth breathing. Existing nasal wash tubes mostly rely on manual operation or use negative pressure devices, but there are the following problems:

[0003] (1) The negative pressure control of manual nasal aspirators is unstable, and the sudden increase in pressure can easily damage the fragile nasal mucosa of newborns;

[0004] (2) Existing nasal irrigation tubes have the risk of backflow. The sucked nasal fluid can easily flow back into the nasal cavity due to pressure fluctuations or interrupted operation, causing secondary contamination;

[0005] (3) The end of the existing nasal irrigation tube is set to a fixed size, which is difficult to match nostrils of different sizes, has poor fit, and is not adaptable enough. Summary of the invention

[0006] In order to solve the problems mentioned in the above background technology, the present invention provides a disposable newborn baby nasal wash tube.

[0007] Technical solution: A disposable neonatal nasal wash tube includes a negative pressure tube, one end of which is connected to the exhaust pipe of the negative pressure device, and the other end of the negative pressure tube is connected to a storage tube. The storage tube has a liquid inlet section and a vertical section connected to the middle of the liquid inlet section at the end away from the negative pressure tube. A soft head with a liquid inlet hole is detachably connected to the liquid inlet section. A piston block is provided inside the storage tube for sealing and sliding. The piston block separates the storage tube into a negative pressure chamber and a liquid storage chamber. A sliding rod is provided on the vertical section. A liquid blocking ball located inside the vertical section is connected to the bottom end of the sliding rod. The liquid blocking ball is used to block the liquid inlet section.

[0008] In a preferred embodiment of the present invention, the outer wall of the liquid inlet section is raised to form an annular edge, the outer surface of the soft head is conical, the soft head has different models, a docking hole for inserting the liquid inlet section is opened at the left end of the soft head, and an annular groove for embedding the annular edge is provided between the docking hole and the liquid inlet hole.

[0009] In a preferred embodiment of the present invention, it also includes an outer shell, a connecting rod and a conical block. A lower through hole is opened on the lower side of the tube wall of the storage tube at the negative pressure chamber. A sliding connecting rod is provided at the lower through hole. The connecting rod has a bending section extending into the negative pressure chamber. The connecting rod is connected to the sliding rod. A conical block is connected to the side of the piston block close to the negative pressure chamber. The conical block moves leftward to squeeze the bending section to make the connecting rod, the sliding rod and the liquid blocking ball descend. A shell for covering the connecting rod is connected to the outside of the storage tube, and the connecting rod slides through the shell.

[0010] In a preferred embodiment of the present invention, it also includes an insertion rod for limiting the position of the slide rod, the slide rod is provided with an insertion hole, and a sliding insertion rod is arranged inside the shell, and the insertion rod is inserted into the insertion hole.

[0011] In a preferred embodiment of the present invention, it also includes a contact rod, the insertion rod has an inclined section, an upper through hole is opened on the upper side of the tube wall of the storage tube at the negative pressure chamber, and a contact rod slides through the upper through hole, and the contact rod is located in the middle of the bending section and the piston block; the leftward movement of the conical block will squeeze the contact rod upward, and the upward moving contact rod will squeeze the inclined section to make the insertion rod leave the socket.

[0012] In a preferred embodiment of the present invention, it also includes a docking mechanism, which includes an outer docking joint and an inner docking joint. The outer docking joint is connected to the exhaust pipe of the negative pressure device, and the inner docking joint is connected to the end of the negative pressure pipe. The inner docking joint has an insertion end for inserting into the outer docking joint.

[0013] In a preferred embodiment of the present invention, the docking mechanism also includes a block one, a small cylinder, a large cylinder and a block two. The outer wall of the outer docking joint is rotatably connected to the block one. The side of the block one away from the negative pressure device is connected to two small cylinders. The end of the small cylinder away from the block one is connected to the large cylinder. The diameter of the large cylinder is larger than the diameter of the small cylinder. The outer wall of the inner docking joint is connected to the block two. The block two has two arc holes and two large holes. The arc holes are only for the small cylinders to pass through, and the large holes are for the large cylinder and the small cylinder to pass through together.

[0014] In a preferred embodiment of the present invention, it also includes a fixing mechanism, which includes a connecting belt, a fixing belt, a penetration block and an insertion block. The outer wall of the shell is connected to two flexible connecting belts and two flexible fixing belts. The end of the connecting belt away from the shell is connected to the penetration block. The penetration block is provided with a square hole for the fixing belt to pass through. The free ends of the fixing belts are connected to the insertion blocks. The fixing belt is provided with a row of round holes for the insertion blocks to be inserted, and the diameter of the head of the insertion block is larger than the diameter of the round hole.

[0015] Compared with the prior art, the present invention has the following advantages: 1. Select a soft head according to the size of the nostrils, insert the liquid inlet section into the docking hole until the annular edge is embedded in the annular groove. The soft head is easy to install. Insert the soft head into the nostrils of the newborn, control the negative pressure device to evacuate air, and under the action of negative pressure, the piston block moves to the left, and the liquid is sucked into the liquid storage chamber. The piston block and the conical block continue to move to the left. After the insertion rod leaves the insertion hole, the liquid blocking ball blocks the liquid inlet section. The structure is simple, and liquid backflow is automatically and effectively avoided, ensuring operational safety.

[0016] 2. Insert the insertion end of the inner joint into the outer joint, and the two large cylinders pass through the two large holes respectively. Rotate the round block one to drive the small cylinder and the large cylinder to rotate. The small cylinder passes through the arc hole, while the large cylinder cannot pass through the arc hole. The position of the large cylinder is limited by the round block two to avoid accidental detachment of the negative pressure tube, which meets the needs of rapid replacement.

[0017] 3. Put the connecting belt and the fixing belt on the newborn's head, then pull the free end of the fixing belt and insert the plug into the round hole to fix the length of the adjusted connecting belt and the fixing belt. It can adapt to newborns with different head circumferences and prevent the soft head from falling out of the nostrils when the newborn does not cooperate, ensuring the smooth progress of nasal washing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the state when the present invention is used.

[0019] Figure 2 The present invention is based on Figure 1 Schematic diagram of the local structure.

[0020] Figure 3 It is a schematic diagram of the structure of the present invention.

[0021] Figure 4 For the present invention Figure 3 Schematic diagram of the structure after the middle storage tube and the soft head are cut open.

[0022] Figure 5 The present invention is based on Figure 4 Front view of .

[0023] Figure 6 For the present invention Figure 5 Schematic diagram of the structure when the storage tube and the soft head are separated.

[0024] Figure 7 The present invention is a schematic structural diagram of a sliding rod, a liquid blocking ball, a connecting rod, an inserting rod and a contact rod.

[0025] Figure 8 It is a structural schematic diagram of the docking mechanism of the present invention.

[0026] Fig. 9 For the present invention Figure 8 Schematic diagram of the structure when the middle and outer butt joints and the inner butt joints are separated.

[0027] Fig.10 It is a structural schematic diagram of round block 2 of the present invention.

[0028] Fig.11 It is a structural schematic diagram of the fixing mechanism of the present invention.

[0029] Among them, the above-mentioned drawings include the following figure marks: 1. negative pressure tube, 2. storage tube, 21. liquid inlet section, 22. annular edge, 23. vertical section, 3. soft head, 31. liquid inlet hole, 32. docking hole, 33. annular groove, 4. piston block, 5. sliding rod, 50. socket, 6. liquid blocking ball, 60. lower through hole, 61. shell, 62. connecting rod, 63. bending section, 64. conical block, 70. upper through hole, 71. plug rod, 72. inclined section, 73. contact rod, 81. outer butt joint, 82. inner butt joint, 83. insertion end, 84. round block one, 85. small cylinder, 86. large cylinder, 87. round block two, 88. arc hole, 89. large hole, 91. connecting belt, 92. fixing belt, 93. connection block, 94. plug block, 95. round hole, 10. negative pressure device. DETAILED DESCRIPTION

[0030] While the invention may be described with respect to a particular application or industry, those skilled in the art will recognize the broader applicability of the invention.

[0031] Embodiment 1: disposable newborn nasal wash tube, such as Figure 1-Figure 6 As shown, it includes a negative pressure tube 1, a storage tube 2, a soft head 3, a piston block 4, a sliding rod 5 and a liquid blocking ball 6. The negative pressure device 10 is a prior art. One end of the negative pressure tube 1 is connected to the air extraction pipe of the negative pressure device 10, and the other end of the negative pressure tube 1 is fixedly connected to the storage tube 2. The storage tube 2 has a liquid inlet section 21 and a vertical section 23 connected to the middle of the liquid inlet section 21 at one end away from the negative pressure tube 1. The liquid inlet section 21 is detachably connected with a soft head 3 having a liquid inlet hole 31. The soft head 3 is made of silicone. The storage tube 2 is sealed and slidably provided with a piston block 4 inside. The piston block 4 separates the storage tube 2 There is a negative pressure chamber on the left and a liquid storage chamber on the right. A sliding rod 5 that slides up and down is provided on the vertical section 23. The bottom end of the sliding rod 5 is fixedly connected to a liquid blocking ball 6 located inside the vertical section 23. The liquid blocking ball 6 will block the liquid inlet section 21 when it descends; the outer wall of the right end of the liquid inlet section 21 is convex to form an annular edge 22, and the outer surface of the soft head 3 is conical. The soft head 3 has different models and can adapt to newborns with different nostril sizes. A docking hole 32 for inserting the liquid inlet section 21 is opened at the left end of the soft head 3, and an annular groove 33 for embedding the annular edge 22 is provided between the docking hole 32 and the liquid inlet hole 31.

[0032] refer to Figure 1-Figure 7, also includes a shell 61, a connecting rod 62 and a conical block 64. A lower through hole 60 is opened on the lower side of the tube wall of the storage tube 2 at the negative pressure chamber. A connecting rod 62 that slides up and down is provided at the lower through hole 60. The left end of the connecting rod 62 has a bending section 63 that extends into the negative pressure chamber. The right end of the connecting rod 62 is fixedly connected to the upper end of the slide rod 5. A conical block 64 is fixedly connected to the side of the piston block 4 close to the negative pressure chamber. The left movement of the conical block 64 will squeeze the bending section 63, thereby causing the connecting rod 62, the slide rod 5 and the liquid blocking ball 6 to descend together. A shell 61 for covering part of the connecting rod 62 is fixedly connected to the outside of the storage tube 2, and the connecting rod 62 slides through the shell 61.

[0033] refer to Figure 3 , Figure 4 , Figure 5 and Figure 7 , and also includes an insertion rod 71 for limiting the position of the slide rod 5. A plug hole 50 is opened in the middle of the slide rod 5. The shell 61 is provided with an insertion rod 71 that slides left and right. The right end of the insertion rod 71 is inserted into the plug hole 50 to limit the slide rod 5.

[0034] refer to Figure 4 , Figure 5 and Figure 7 , also includes a contact rod 73, the left part of the insertion rod 71 has an inclined section 72, the storage tube 2 is provided with an upper through hole 70 on the upper side of the tube wall at the negative pressure chamber, and a contact rod 73 is slidably penetrated through the upper through hole 70, and the contact rod 73 is located between the bending section 63 and the piston block 4; the leftward movement of the conical block 64 will squeeze the contact rod 73 to move upward, and the upwardly moved contact rod 73 will squeeze the inclined section 72, so that the right end of the insertion rod 71 leaves the socket 50.

[0035] The initial state is Figure 1 As shown, the bottom end of the negative pressure tube 1 is connected to the exhaust pipe of the negative pressure device 10, and the piston block 4 is located at the rightmost end of the storage tube 2; the right end of the insertion rod 71 is inserted into the insertion hole 50 to limit the sliding rod 5 and the liquid blocking ball 6, which can prevent the liquid blocking ball 6 from falling during the nasal washing process.

[0036] When it is necessary to wash the nose of a newborn, a soft head 3 of a corresponding model is selected according to the size of the newborn's nostrils, and the liquid inlet section 21 is inserted into the docking hole 32 of the soft head 3. The soft head 3 will be slightly deformed by the squeezing of the annular edge 22 until the annular edge 22 is embedded in the annular groove 33, and the soft head 3 returns to its original shape. The cooperation between the annular edge 22 and the annular groove 33 makes the soft head 3 and the liquid inlet section 21 relatively fixed, and the installation process of the soft head 3 is convenient.

[0037] Insert the soft head 3 into the nostrils of the newborn, and then control the negative pressure device 10 to evacuate air. When the negative pressure tube 1 is connected, the negative pressure chamber is in a negative pressure state. Under the action of the negative pressure, the piston block 4 moves to the left, and the liquid in the newborn's nasal cavity is sucked into the liquid inlet hole 31 of the soft head 3. The liquid passes through the liquid inlet section 21 and enters the liquid storage chamber of the storage tube 2 for storage, thereby sucking out the liquid in the newborn's nasal cavity.

[0038] Then the negative pressure device 10 continues to evacuate air, the piston block 4 continues to move left, and the conical block 64 moves left with the piston block 4. When the conical block 64 contacts the contact rod 73, the left-moving conical block 64 squeezes the contact rod 73 to move upward, and the upward-moving contact rod 73 squeezes the inclined section 72, causing the insertion rod 71 to move left, and the right end of the insertion rod 71 leaves the insertion hole 50; the piston block 4 and the conical block 64 continue to move left, and when the conical block 64 contacts the bent section 63, the left-moving conical block 64 squeezes the bent section 63 to move downward, driving the connecting rod 62, the sliding rod 5 and the liquid blocking ball 6 to move downward together, and the downward-moving liquid blocking ball 6 blocks the liquid inlet section 21, which has a simple structure and automatically and effectively avoids the backflow of liquid in the liquid storage chamber, ensuring operational safety; at this time, the soft head 3 can be separated from the newborn's nostrils, and the negative pressure tube 1 can be pulled out, and the disposable newborn nasal wash tube with liquid absorbed can be centrally processed.

[0039] Example 2: Based on Example 1, refer to Figure 1 , Figure 8 , Fig. 9 and Fig.10 , and also includes a docking mechanism, which includes an outer docking joint 81 and an inner docking joint 82. The outer docking joint 81 is fixedly connected to the exhaust pipe of the negative pressure device 10, and the inner docking joint 82 is fixedly connected to the end of the negative pressure pipe 1. The inner docking joint 82 has an insertion end 83 for inserting into the outer docking joint 81; the docking mechanism also includes a round block 84, a small cylinder 85, a large cylinder 86 and a round block 87. The outer wall of the outer docking joint 81 is rotatably connected to the round block 84, and the round block 84 is away from the negative pressure pipe 1. Two symmetrical small cylinders 85 are fixedly connected to one side of the pressing device 10, and a large cylinder 86 is fixedly connected to the end of the small cylinder 85 away from the round block 1 84. The diameter of the large cylinder 86 is larger than the diameter of the small cylinder 85. The outer wall of the inner joint 82 is fixedly connected to the round block 2 87. The round block 2 87 has two centrally symmetrical arc holes 88 and two centrally symmetrical large holes 89. The arc holes 88 are only for the small cylinders 85 to pass through, and the large holes 89 are for the large cylinders 86 and the small cylinders 85 to pass through together.

[0040] The insertion end 83 of the inner joint 82 is inserted into the outer joint 81, thereby connecting the negative pressure tube 1 and the exhaust pipe of the negative pressure device 10. At the same time, the two large cylinders 86 pass through the two large holes 89 respectively, and then the round block 1 84 is manually rotated to drive the small cylinder 85 and the large cylinder 86 to rotate together. The small cylinder 85 passes through the arc hole 88, while the large cylinder 86 cannot pass through the arc hole 88. The position of the large cylinder 86 is limited by the round block 2 87, so that the positions of the round blocks 1 84 and 2 87 are relatively fixed, thereby making the positions of the inner joint 82 and the outer joint 81 relatively fixed, preventing the negative pressure tube 1 from accidentally detaching from the exhaust pipe of the negative pressure device 10 due to vibration or pulling, improving the connection reliability, and meeting the needs of rapid replacement.

[0041] Embodiment 3: Based on Embodiment 2, refer to Figure 1 , Figure 2 and Fig.11 , also includes a fixing mechanism, the fixing mechanism includes a connecting belt 91, a fixing belt 92, a penetration block 93 and an insertion block 94, two symmetrical soft connecting belts 91 are fixedly connected to the front side of the outer wall of the shell 61, and two symmetrical soft fixing belts 92 are fixedly connected to the rear side of the outer wall of the shell 61. The end of the connecting belt 91 away from the shell 61 is fixedly connected to the penetration block 93, and the penetration block 93 is provided with a square hole for the fixing belt 92 to pass through. The free end of the fixing belt 92 is fixedly connected to the insertion block 94, and the fixing belt 92 is provided with a row of round holes 95 for the insertion blocks 94 to be inserted, and the diameter of the head of the insertion block 94 is larger than the diameter of the round hole 95.

[0042] The connecting belt 91 and the fixing belt 92 are put on the head of the newborn, and the free end of the fixing belt 92 is pulled according to the size of the newborn's head until the connecting belt 91 and the fixing belt 92 fit the newborn's head, and then the plug block 94 is inserted into the corresponding round hole 95. The fixing belt 92 is squeezed by the connecting block 93 and can be slightly deformed until the head of the plug block 94 passes through the round hole 95. In this way, the adjusted lengths of the connecting belt 91 and the fixing belt 92 are fixed, and the newborn can be washed in the nose. The connecting belt 91 and the fixing belt 92 can adapt to newborns with different head circumferences, avoid the soft head 3 from being separated from the nostrils when the newborn does not cooperate, and ensure the smooth progress of the nasal washing work.

[0043] The above embodiments are provided for persons familiar with the art to implement or use the present invention. Personnel familiar with the art may make various modifications or changes to the above embodiments without departing from the inventive concept of the present invention. Therefore, the protection scope of the present invention is not limited to the above embodiments.

Claims

1. A disposable neonatal nasal wash tube, comprising a negative pressure tube (1), characterized in that: One end of the negative pressure tube (1) is butted against the exhaust pipe of the negative pressure device (10), and the other end of the negative pressure tube (1) is connected to a storage tube (2). The storage tube (2) has a liquid inlet section (21) and a vertical section (23) connected to the middle of the liquid inlet section (21) at one end away from the negative pressure tube (1). A soft head (3) having a liquid inlet hole (31) is detachably butted against the liquid inlet section (21). A piston block (4) is provided inside the storage tube (2) in a sealed sliding manner. The piston block (4) divides the storage tube (2) into a negative pressure chamber and a liquid storage chamber. A sliding rod (5) is provided on the vertical section (23). The bottom end of the sliding rod (5) is connected to a liquid blocking ball (6) located inside the vertical section (23). The liquid blocking ball (6) is used to block the liquid inlet section (21).

2. The disposable newborn nasal wash tube according to claim 1, characterized in that: The outer wall of the liquid inlet section (21) is raised to form an annular edge (22); the outer surface of the soft head (3) is conical; the soft head (3) has different models; a docking hole (32) for inserting the liquid inlet section (21) is formed at the left end of the soft head (3); and an annular groove (33) for embedding the annular edge (22) is provided at a position between the docking hole (32) and the liquid inlet hole (31).

3. The disposable newborn nasal wash tube according to claim 2, characterized in that: It also includes an outer shell (61), a connecting rod (62) and a conical block (64). The storage tube (2) is provided with a lower through hole (60) on the lower side of the tube wall at the negative pressure chamber. A sliding connecting rod (62) is provided at the lower through hole (60). The connecting rod (62) has a bending section (63) extending into the negative pressure chamber. The connecting rod (62) is connected to the sliding rod (5). The piston block (4) is connected to a conical block (64) on the side close to the negative pressure chamber. When the conical block (64) moves to the left, it will squeeze the bending section (63) to make the connecting rod (62), the sliding rod (5) and the liquid blocking ball (6) descend. The storage tube (2) is externally connected with an outer shell (61) for covering the connecting rod (62). The connecting rod (62) slides through the outer shell (61).

4. The disposable newborn nasal wash tube according to claim 3, characterized in that: It also includes an insertion rod (71) for limiting the position of the sliding rod (5), the sliding rod (5) is provided with an insertion hole (50), the housing (61) is provided with a sliding insertion rod (71), and the insertion rod (71) is inserted into the insertion hole (50).

5. The disposable newborn nasal wash tube according to claim 4, characterized in that: It also includes a contact rod (73), the insertion rod (71) has an inclined section (72), the storage tube (2) is provided with an upper through hole (70) on the upper side of the tube wall at the negative pressure chamber, a contact rod (73) is slidably penetrated through the upper through hole (70), and the contact rod (73) is located in the middle of the bending section (63) and the piston block (4); the leftward movement of the conical block (64) will squeeze the contact rod (73) upward, and the upwardly moved contact rod (73) will squeeze the inclined section (72) to make the insertion rod (71) leave the insertion hole (50).

6. The disposable newborn nasal wash tube according to claim 5, characterized in that: The invention also comprises a docking mechanism, wherein the docking mechanism comprises an outer docking joint (81) and an inner docking joint (82), wherein the outer docking joint (81) is connected to the air extraction pipe of the negative pressure device (10), and the inner docking joint (82) is connected to the end of the negative pressure pipe (1), and the inner docking joint (82) has an insertion end (83) for inserting into the inner part of the outer docking joint (81).

7. The disposable newborn nasal wash tube according to claim 6, characterized in that: The docking mechanism also includes a round block 1 (84), a small cylinder (85), a large cylinder (86) and a round block 2 (87); the outer wall of the outer docking joint (81) is rotatably connected to the round block 1 (84); the side of the round block 1 (84) away from the negative pressure device (10) is connected to two small cylinders (85); the end of the small cylinder (85) away from the round block 1 (84) is connected to the large cylinder (86); the diameter of the large cylinder (86) is larger than the diameter of the small cylinder (85); the outer wall of the inner docking joint (82) is connected to the round block 2 (87); two arc holes (88) and two large holes (89) are opened on the round block 2 (87); the arc holes (88) are only for the small cylinders (85) to pass through, and the large holes (89) are for the large cylinders (86) and the small cylinders (85) to pass through together.

8. The disposable newborn nasal wash tube according to claim 7, characterized in that: The invention also comprises a fixing mechanism, wherein the fixing mechanism comprises a connecting belt (91), a fixing belt (92), a penetration block (93) and an insertion block (94); the outer wall of the shell (61) is connected with two flexible connecting belts and two flexible fixing belts (92); one end of the connecting belt (91) away from the shell (61) is connected with a penetration block (93); a square hole is provided on the penetration block (93) for the fixing belt (92) to pass through; the free end of the fixing belt (92) is connected with an insertion block (94); a row of round holes (95) is provided on the fixing belt (92) for the insertion block (94) to be inserted; the diameter of the head of the insertion block (94) is larger than the diameter of the round hole (95).

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