Flow-adjustable disposable humidifying oxygen inhalation tube

Abstract

The utility model relates to a flow-adjustable disposable humidifying oxygen inhalation tube, and relates to the technical field of humidifying oxygen inhalation tubes. The nasal oxygen cannula comprises a humidification bottle and a nasal oxygen cannula body, the nasal oxygen cannula body is connected to an air outlet in the top end of the humidification bottle, an air inlet pipe is arranged at an air inlet in the bottom end of the humidification bottle, a mounting ring is arranged on the inner wall of the air outlet, a connecting sleeve is formed on the inner wall of the mounting ring, and a threaded section is formed on the outer wall of the connecting sleeve. A mounting sleeve is arranged at the end, connected with the humidifying bottle, of the nasal oxygen cannula and embedded between the outer wall of the connecting sleeve and the inner wall of the air outlet, and the inner wall of the mounting sleeve is in threaded fit with the threaded section. The humidifying oxygen tube has the advantages that the problem that other patients are infected in the using process of the humidifying oxygen tube is solved, and the using safety is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of wet oxygen inhalation tubes, in particular to a wet oxygen inhalation tube with adjustable flow. BACKGROUND

[0002] The wet oxygen inhalation tube is a medical device, mainly used for a medical central oxygen supply system, and can be used for oxygen inhalation of patients in need of first aid and patients suffering from hypoxia. The wet oxygen inhalation tube mainly comprises a humidifying device and a nasal oxygen tube. The humidifying device comprises a humidifying bottle and humidifying liquid. The humidifying liquid is usually purified water. The nasal oxygen tube is used for delivering humidified oxygen to the nasal cavity of a patient. However, some patients in a hospital suffer from respiratory diseases. The existing wet oxygen inhalation tube is used for other patients after disinfection. If disinfection is not in place, some bacteria will be left on the nasal oxygen tube, causing infection of other patients. Therefore, the application provides a wet oxygen inhalation tube to solve the above problems. CONTENT OF THE UTILITY MODEL

[0003] In order to reduce the problem of infection of other patients caused by the wet oxygen inhalation tube during use and improve the use safety, the application provides a wet oxygen inhalation tube with adjustable flow.

[0004] The wet oxygen inhalation tube with adjustable flow provided by the application adopts the following technical scheme:

[0005] The wet oxygen inhalation tube with adjustable flow comprises a humidifying bottle and a nasal oxygen tube. The nasal oxygen tube is connected to a top gas outlet of the humidifying bottle. An air inlet pipe is arranged at the bottom gas inlet of the humidifying bottle. An installation ring is arranged on the inner wall of the gas outlet. A connecting sleeve is formed on the inner wall of the installation ring. A threaded section is formed on the outer wall of the connecting sleeve. An installation sleeve is arranged at one end of the nasal oxygen tube connected to the humidifying bottle. The installation sleeve is embedded between the outer wall of the connecting sleeve and the inner wall of the gas outlet. The inner wall of the installation sleeve is threadedly connected with the threaded section.

[0006] By adopting the above technical scheme, when the wet oxygen inhalation tube completes the oxygen supply work for a previous patient and needs to be used for a next patient, the nasal oxygen tube can be replaced by only rotating the nasal oxygen tube to separate the connecting sleeve and the installation sleeve, so that the safety of the next patient is ensured. The structure of the application does not need to replace the whole wet oxygen inhalation tube, and has high economic benefits.

[0007] Preferably, a filter membrane is threadedly connected to the inner wall of the installation sleeve.

[0008] By adopting the above technical scheme, the filter membrane can filter the oxygen about to enter the nasal oxygen tube, so that small-particle impurities are prevented from entering the nasal cavity of the patient, and the use safety of the wet oxygen inhalation tube of the application is ensured.

[0009] Preferably, the inner wall of the humidification bottle is provided with a mounting plate below the mounting ring, a plurality of air holes are formed through the mounting plate, a flow tube is arranged in each air hole, the top end of the flow tube is hollow, the bottom end is closed, a plurality of air inlet holes are formed in the wall of the flow tube and distributed along the length direction of the flow tube, a flow adjusting block is arranged in the humidification bottle, the flow tubes pass through the flow adjusting block, the flow adjusting block is connected to the flow tubes in a sliding manner, the bottom wall of the mounting plate is provided with a space cover for the flow adjusting block to slide in, and an adjusting mechanism is arranged outside the humidification bottle to drive the flow adjusting block to slide.

[0010] By adopting the above technical scheme, the flow adjusting block slides along the flow tube, the number of air inlet holes below the flow adjusting block can be changed, the flow amount of oxygen can be increased if the number of air inlet holes increases, the oxygen inhalation amount can be controlled according to the actual situation of the patient, and the flexibility and practicability are high.

[0011] Preferably, the adjusting mechanism comprises a sliding sleeve, a connecting rod and a fastener, the sliding sleeve is sleeved on the wall of the humidification bottle, the connecting rod is arranged on the inner wall of the sliding sleeve, the wall of the humidification bottle is provided with a waist-shaped groove for the connecting rod to enter and slide, the waist-shaped groove is formed along the length direction of the humidification bottle, the length of the sliding sleeve is greater than that of the waist-shaped groove, the other end of the connecting rod is connected to the flow adjusting block, the outer wall of the space cover is provided with a space groove for the connecting rod to enter, a plurality of threaded holes are formed in the outer wall of the humidification bottle and distributed along the length direction of the humidification bottle, and the fastener passes through the sliding sleeve and is connected to one of the threaded holes.

[0012] By adopting the above technical scheme, the fastener is loosened, the sliding sleeve can slide along the length direction of the humidification bottle, the number of air inlet holes for gas flow can be changed along with the sliding of the flow adjusting block, the flow is adjusted, and only the fastener needs to be tightened after the adjustment is completed, the adjusting mechanism has a simple structure, is easy to implement, and has high convenience.

[0013] Preferably, the inner wall of the sliding sleeve is provided with a sealing groove at both ends, a sealing ring is arranged in the sealing groove, and the sealing ring abuts against the outer wall of the humidification bottle.

[0014] By adopting the above technical scheme, the sealing ring can effectively reduce the leakage of humidified oxygen and ensure that the user has enough oxygen to inhale.

[0015] Preferably, the height of the humidification liquid in the humidification bottle is lower than the bottom end of the waist-shaped groove.

[0016] By adopting the above technical scheme, the humidification liquid can be effectively prevented from overflowing from the bottom end of the waist-shaped groove and affecting the normal humidification of the humidification bottle.

[0017] Preferably, a flow guide block is arranged between the mounting plate and the mounting ring, and a flow guide surface is arranged on a bottom wall of the flow guide block and is inclined towards the center of the filter membrane.

[0018] By using the above technical scheme, the flow guide block is arranged to facilitate the centralized output of humidified oxygen, so as to ensure normal oxygen inhalation of the user.

[0019] Preferably, a filter cover is arranged in the air inlet.

[0020] By using the above technical scheme, the filter cover is arranged to filter the gas entering the humidification bottle from the air inlet pipe, so as to reduce the entry of impurities and ensure the purity of the humidification liquid in the humidification bottle.

[0021] In summary, the present application has at least one of the following beneficial technical effects:

[0022] 1. When the humidified oxygen inhalation tube completes the oxygen supply work for the previous patient and needs to be used for the next patient, only the connection sleeve and the mounting sleeve need to be separated by rotating the nasal oxygen tube, so that the replacement of the nasal oxygen tube can be performed, thereby ensuring the safety of the next patient during use. The structure of the present application does not need to replace the whole humidified oxygen inhalation tube, and has high economic benefits.

[0023] 2. The flow regulating block slides along the flow pipe, which can change the number of air inlet holes below the flow regulating block. If the number of air inlet holes increases, the flow amount of oxygen can be increased, so as to control the oxygen inhalation amount according to the actual situation of the patient, and has high flexibility and practicality. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a structural schematic view of a flow-adjustable disposable humidified oxygen inhalation tube according to an embodiment of the present application.

[0025] Figure 2 is Figure 1 is a partial enlarged view of position A in FIG.

[0026] Figure 3 is Figure 1 is a partial enlarged view of position B in FIG.

[0027] Explanation of reference signs: 1, humidification bottle; 11, gas outlet; 12, gas inlet; 13, waist-shaped groove; 14, threaded hole; 2, nasal oxygen tube; 21, mounting sleeve; 3, gas inlet pipe; 4, mounting ring; 41, connecting sleeve; 42, filter membrane; 5, mounting plate; 51, vent hole; 52, flow tube; 53, gas inlet hole; 54, positioning cover; 55, positioning groove; 6, flow adjusting block; 7, adjusting mechanism; 71, sliding sleeve; 711, sealing groove; 712, sealing ring; 72, connecting rod; 73, fastener; 8, flow guide block; 81, flow guide surface; 9, filter cover. DETAILED DESCRIPTION

[0028] The following will be described in detail with reference to the accompanying drawings. Figures 1-3 The present application is further described in detail.

[0029] The present application discloses a disposable wet oxygen inhalation tube with adjustable flow. Referring to Figure 1 , Figure 2 and Figure 3 , it comprises a humidification bottle 1 and a nasal oxygen tube 2. The top end of the humidification bottle 1 is a gas outlet 11, and the bottom end is a gas inlet 12. The gas inlet 12 is connected with a gas inlet pipe 3. A filter cover 9 is arranged on the inner wall of the gas inlet 12 to filter the gas. The inner wall of the gas outlet 11 is shaped into a mounting ring 4. The inner wall of the mounting ring 4 is shaped into a connecting sleeve 41, which extends away from the gas inlet 12. The outer wall of the connecting sleeve 41 is provided with a threaded section. A mounting sleeve 21 is arranged at the connection between the nasal oxygen tube 2 and the humidification bottle 1. The mounting sleeve 21 is embedded between the inner wall of the gas outlet 11 and the outer wall of the connecting sleeve 41. The mounting sleeve 21 is screwed with the threaded section to quickly disassemble the nasal oxygen tube 2. The inner wall of the mounting sleeve 21 is provided with a filter membrane 42 to filter impurities. In this embodiment, the gas inlet pipe 3 adopts the same detachable connection structure as the nasal oxygen tube 2 to facilitate disassembly and cleaning of the filter cover 9.

[0030] Referring to Figure 1 , Figure 2 and Figure 3 , a mounting plate 5 is arranged on the inner wall of the humidification bottle 1, which is below the mounting ring 4. The mounting plate 5 is provided with a plurality of vent holes 51 along the thickness direction. Each vent hole 51 is provided with a flow tube 52. The length direction of the flow tube 52 is consistent with the length direction of the humidification bottle 1. The top end of the flow tube 52 is hollow, and the bottom end is closed. The peripheral wall of the flow tube 52 is provided with a plurality of gas inlet holes 53, which are distributed along the length direction of the flow tube 52. By changing the number of gas inlet holes 53 exposed in the humidification bottle 1, the flow can be adjusted.

[0031] Referring to Figure 1 , Figure 2 and Figure 3The flow adjusting block 6 is arranged in the humidification bottle 1 and is located below the mounting plate 5, the flow pipes 52 all pass through the flow adjusting block 6, the flow adjusting block 6 can slide along the flow pipes 52, thereby changing the number of air inlet holes 53 in the flow adjusting block 6 and exposing the air inlet holes 53 in the humidification bottle 1, in the embodiment, the upper part of the flow pipe 52 is not provided with the air inlet hole 53, the bottom wall of the mounting plate 5 is provided with a gap cover 54 for the flow adjusting block 6 to enter, and the humidification bottle 1 is externally provided with an adjusting mechanism 7 for driving the flow adjusting block 6 to move, thereby adjusting the oxygen flow.

[0032] With reference to Figure 1 , Figure 2 and Figure 3 , the flow adjusting mechanism 7 comprises a sliding sleeve 71, two connecting rods 72 and a fastener 73, the sliding sleeve 71 is slidably sleeved on the peripheral wall of the humidification bottle 1, the two connecting rods 72 are symmetrically formed on the inner wall of the sliding sleeve 71, the outer wall of the humidification bottle 1 is provided with a waist-shaped groove 13 for the connecting rods 72 to enter and slide, the waist-shaped groove 13 is arranged along the length direction of the humidification bottle 1, the length of the sliding sleeve 71 is greater than the length of the waist-shaped groove 13, in the embodiment, the height of the bottom end of the waist-shaped groove 13 needs to be higher than the liquid level of the humidification liquid in the humidification bottle 1, so as to prevent the humidification liquid from leaking, one end of the connecting rod 72 entering the humidification bottle 1 is connected with the flow adjusting block 6, and the gap cover 54 is provided with a gap groove 55 for the connecting rod 72 to pass through; the outer wall of the humidification bottle 1 is provided with a plurality of threaded holes 14, the threaded holes 14 are distributed along the length direction of the humidification bottle 1, the fastener 73 passes through the sliding sleeve 71 and is connected with one of the threaded holes 14, so as to fix the sliding sleeve 71, in the embodiment, the fastener 73 adopts a bolt.

[0033] With reference to Figure 1 and Figure 3 , the inner wall of both ends of the sliding sleeve 71 is provided with a sealing groove 711, and a sealing ring 712 is arranged in the sealing groove 711, the sealing ring 712 abuts against the outer wall of the humidification bottle 1, so as to improve the sealing performance.

[0034] With reference to Figure 1 , the mounting plate 5 and the mounting ring 4 are provided with a flow guide block 8, the bottom wall of the flow guide block 8 is provided with a flow guide surface 81, the flow guide surface 81 is inclinedly arranged towards the center direction of the filter membrane 42, so that the oxygen passing through the air inlet hole 51 can enter the nasal oxygen tube 2.

[0035] The implementation principle of the flow-adjustable disposable humidification oxygen inhalation tube is as follows: when the humidification oxygen inhalation tube completes the oxygen supply work for a previous patient and needs to be used for a next patient, only the nasal oxygen tube 2 needs to be rotated to separate the connecting sleeve 41 and the mounting sleeve 21, so that the nasal oxygen tube 2 can be replaced, thereby ensuring the safety of the next patient in use; the flow adjusting block 6 is driven by the adjusting mechanism 7 to move, the number of the air inlet holes 53 capable of air inlet is changed, thereby the oxygen inhalation amount can be adjusted according to the condition of the patient, and the convenience and flexibility are high.

[0036] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, so: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A disposable humidified oxygen inhalation tube with adjustable flow rate, comprising a humidification bottle and a nasal oxygen tube, wherein the nasal oxygen tube is connected to the top outlet of the humidification bottle, and an air inlet pipe is provided at the bottom inlet of the humidification bottle, characterized in that: The inner wall of the air outlet is provided with a mounting ring, the inner wall of the mounting ring is formed with a connecting sleeve, the outer wall of the connecting sleeve is formed with a threaded section, one end of the nasal oxygen tube connected with the humidification bottle is provided with a mounting sleeve, the mounting sleeve is embedded between the outer wall of the connecting sleeve and the inner wall of the air outlet, and the inner wall of the mounting sleeve is screwed with the threaded section.

2. The flow adjustable disposable humidified oxygen inhalation tube according to claim 1, wherein: The inner wall of the mounting sleeve is screwed with a filter membrane.

3. The flow adjustable disposable humidified oxygen inhalation tube according to claim 2, wherein: The inner wall of the humidification bottle is provided with a mounting plate, the mounting plate is located below the mounting ring, a plurality of air holes are formed through the mounting plate, a flow tube is arranged in each air hole, the top end of the flow tube is hollow, the bottom end is closed, a plurality of air inlet holes are formed in the peripheral wall of the flow tube and are distributed along the length direction of the flow tube, the humidification bottle is provided with a flow adjusting block, a plurality of flow tubes pass through the flow adjusting block, the flow adjusting block is slidingly connected with the plurality of flow tubes, and the bottom wall of the mounting plate is provided with a space cover for sliding of the flow adjusting block.

4. The flow-adjustable disposable humidified oxygen inhalation tube according to claim 3, characterized in that: The adjusting mechanism comprises a sliding sleeve, a connecting rod and a fastener, the sliding sleeve is sleeved on the peripheral wall of the humidification bottle, the connecting rod is arranged on the inner wall of the sliding sleeve, the peripheral wall of the humidification bottle is formed with a waist-shaped groove for entry and sliding of the connecting rod, the waist-shaped groove is formed along the length direction of the humidification bottle, the length of the sliding sleeve is greater than that of the waist-shaped groove, the other end of the connecting rod is connected with the flow adjusting block, the outer wall of the space cover is formed with a space groove for entry of the connecting rod, the peripheral wall of the humidification bottle is formed with a plurality of threaded holes, the plurality of threaded holes are distributed along the length direction of the humidification bottle, and the fastener passes through the sliding sleeve and is connected in one of the threaded holes.

5. The flow adjustable disposable humidified oxygen cannula of claim 4, wherein: The inner wall of the sliding sleeve is provided with a sealing groove at both ends, a sealing ring is arranged in the sealing groove, and the sealing ring abuts against the outer wall of the humidification bottle.

6. The flow adjustable disposable humidified oxygen cannula of claim 4, wherein: The height of the humidification liquid in the humidification bottle is lower than the bottom end of the waist-shaped groove.

7. The flow adjustable disposable humidified oxygen inhalation tube of claim 3, wherein: A flow guide block is arranged between the mounting plate and the mounting ring, the bottom wall of the flow guide block is formed with a flow guide surface, and the flow guide surface is inclinedly formed towards the center of the filter membrane.

8. The flow adjustable disposable humidified oxygen cannula of claim 1, wherein: A filter cover is arranged in the air inlet.

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