Airway unobstructing device for respiratory support of critical patient

By designing a combination of outer tube, guide tube and ventilation tube, the problem of hypoxia during the clearing of sputum and blood clots in the airways of critically ill patients was solved, achieving convenient airway clearing and oxygen supply, and reducing the risk of airway damage.

CN223901055UActive Publication Date: 2026-02-13张程
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Patent Information

Application Number
CN202423039831.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2026-02-13
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

Existing airway cleaning tools for critically ill patients can easily affect airway ventilation, leading to respiratory hypoxia, and repeated insertion and removal of the tools may damage the airway.

Method used

An airway patency device was designed, comprising an outer tube, a guide tube, and a ventilation tube. The outer tube is used to aspirate sputum and blood clots, and the guide tube and ventilation tube work together to achieve simultaneous sputum aspiration and oxygen supply, avoiding hypoxia caused by prolonged operation.

Benefits of technology

It achieves convenient airway clearing and oxygen supply, avoids respiratory hypoxia caused by prolonged operation, reduces the risk of airway damage, and is simple to operate and highly practical.

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Abstract

The utility model belongs to the technical field of medical tools, and particularly relates to an airway unobstructing device for respiratory support of critical patients, which comprises an outer-layer catheter, a suction hole is arranged on the outer wall of one end of the outer-layer catheter, a guide tube is fixedly sleeved on the inner side of the outer-layer catheter, the length of the guide tube is larger than that of the outer-layer catheter, and the suction hole is communicated with the suction hole. A second baffle ring is fixed to the inner wall of one end of the guide pipe, shielding arc plates are symmetrically fixed to the side wall of one end of the guide pipe, second shielding strips are symmetrically fixed to the edges of the inner walls of the shielding arc plates, first shielding strips are fixed to the edges of the inner walls of the shielding arc plates, and the second baffle ring is located on one side of each shielding arc plate. A ventilation guide pipe penetrates through the inner side of the guide pipe, and a ventilation hole is formed in the side wall of one end of the ventilation guide pipe. The oxygen supply device can supply oxygen to the respiratory tract of a patient in the process that medical staff dredge the airway of the patient, avoids the situation that oxygen deficit of the respiratory tract of the patient is easily caused by too long dredging time, and is convenient to operate and high in practicability.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to medical tool technical field, concretely relates to a gas passage device for respiratory support of critical patient. BACKGROUND

[0002] The inside of the airway of the critical patient is often accompanied by sputum and blood clots, and the medical staff needs to use tools to suck and clean the sputum and blood clots to unblock the airway of the patient. However, the current tools for sucking sputum and blood clots in the inside of the airway of the patient are prone to affect the ventilation of the airway of the patient during operation, especially when there are multiple sputum or blood clots in the inside of the airway of the patient, the medical staff spends a lot of time using the suction tool to suck multiple sputum, and long-term unblocking operation is easy to cause the patient's respiratory tract to be hypoxic, and the unblocking tool is easy to be damaged when it is inserted and pulled out for multiple times.

[0003] Therefore, a gas passage device for respiratory support of critical care medicine is needed, which can conveniently unblock the airway of the patient, does not affect the breathing of the patient, and avoids hypoxia of the respiratory tract of the patient. CONTENT OF THE UTILITY MODEL

[0004] To solve the above problems in the prior art, the utility model provides a gas passage device for respiratory support of critical patient, which has the characteristics of convenient unblocking, convenient oxygen supply and strong practicability.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a gas passage device for respiratory support of critical patient, including outer layer pipe, one end outer wall of outer layer pipe is equipped with suction hole, the inside of outer layer pipe is fixed with guide pipe of sleeve joint, the length of guide pipe is greater than the length of outer layer pipe, one end inner wall of guide pipe is fixed with second baffle ring, one end side wall of guide pipe is fixed with the arc baffle of symmetry, the inner wall edge of arc baffle is fixed with the second baffle strip of symmetry, the inner wall edge of arc baffle is fixed with first baffle strip, second baffle ring is located in one side of arc baffle, the inside of guide pipe is penetrated with ventilation pipe, one end side wall of ventilation pipe is equipped with ventilation hole, ventilation hole is located in one side of arc baffle.

[0006] As a preferred technical scheme of the gas passage device for respiratory support of critical patient of the utility model, one end of the outer layer pipe is connected with a collection sac, the top of the collection sac is connected with a connecting pipe, and the other end of the guide pipe penetrates the side wall of the collection sac.

[0007] As a preferred technical scheme of the gas passage device for respiratory support of critical patient of the utility model, the other end of the outer layer pipe is arc-shaped, the other end of the outer layer pipe is fixed with a shielding ring, and the shielding ring is made of flexible material.

[0008] The first blocking ring and the second blocking ring are fixed on the inner wall of the guide pipe.

[0009] The first blocking ring, the second blocking ring, the first shielding strip and the second shielding strip are all made of flexible material.

[0010] The outer guide pipe, the collecting bag, the guide pipe and the ventilation guide pipe are all made of elastic material.

[0011] The ventilation hole is provided with a plurality of ventilation holes, and the aperture size of the ventilation hole is smaller than the interval size of the two shielding arc plates.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The outer guide pipe, the collecting bag, the guide pipe and the ventilation guide pipe are all made of elastic material. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model.

[0015] Figure 1The whole structure schematic view of the utility model;

[0016] Figure 2 The utility model discloses a three-dimensional sectional view of the utility model;

[0017] Figure 3 The utility model discloses the Figure 2 The utility model discloses the

[0018] Figure 4 The utility model discloses the Figure 2 The utility model discloses the

[0019] Figure 5 The utility model discloses the Figure 2 The utility model discloses the

[0020] Figure 6 The utility model discloses the shielding arc plate three-dimensional schematic view.

[0021] In the drawing: 1, outer catheter; 11, shielding ring; 12, suction hole; 2, collection bag; 21, connecting pipe; 3, guide pipe; 31, first blocking ring; 32, second blocking ring; 33, first shielding strip; 34, second shielding strip; 35, shielding arc plate; 4, air catheter; 41, air hole. Specific implementation

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0023] Embodiment

[0024] Please refer to Figures 1-6 The utility model provides the following technical scheme: a kind of airway patency device for respiratory support of critical patient, including outer catheter 1, and the outer wall of one end of outer catheter 1 is equipped with suction hole 12, and suction hole 12 is set multiple, can refer to attached Figure 1 , attached Figure 2 And attached Figure 3 , and one end of outer catheter 1 is connected with collection bag 2, and the top of collection bag 2 is connected with connecting pipe 21, and can be connected with external suction pump equipment;After the scheme is inserted into the inside of patient airway to outer catheter 1, start external pump, and the sputum or blood clot in the inside of patient airway is sucked through suction hole 12, to facilitate dredging patient airway.

[0025] Refer to Figure 2 , Figure 4 , Figure 5With Figure 6 As shown in the drawings, specifically, the inner side of the outer catheter 1 is sleeved with a guide pipe 3, the other end of the guide pipe 3 penetrates the side wall of the collecting bag 2, the length of the guide pipe 3 is greater than the length of the outer catheter 1, the inner wall of one end of the guide pipe 3 is fixedly provided with a second blocking ring 32, the second blocking ring 32 is sleeved on the outer side of the ventilation catheter 4, the side wall of one end of the guide pipe 3 is fixedly provided with a shielding arc plate 35, the inner wall edge of the shielding arc plate 35 is fixedly provided with a second shielding strip 34, the inner wall edge of the shielding arc plate 35 is fixedly provided with a first shielding strip 33, the second shielding strip 34 and the first shielding strip 33 are respectively located at three edges of the shielding arc plate 35, the second blocking ring 32 is located at one side of the shielding arc plate 35, and cooperates with the shielding strip to shield four edges of the shielding arc plate 35, the shielding strip and the blocking ring are all abutted on the outer side of the ventilation catheter 4, which can shield and block the ventilation hole 41 on one end of the ventilation catheter 4, so as to avoid the situation that sputum enters the inner side of the ventilation catheter 4 during the movement of the pipeline, the inner wall of the guide pipe 3 is fixedly provided with a first blocking ring 31, the size of the first blocking ring 31 is the same as that of the second blocking ring 32; the first blocking ring 31, the second blocking ring 32, the first shielding strip 33 and the second shielding strip 34 are all of flexible material; the inner side of the guide pipe 3 penetrates the ventilation catheter 4, one end of the ventilation catheter 4 is provided with a ventilation hole 41, and the ventilation hole 41 is located at one side of the shielding arc plate 35; the ventilation hole 41 is provided with a plurality of ventilation holes 41, and the aperture size of the ventilation hole 41 is smaller than the interval size of the two shielding arc plates 35; after the sputum in the airway of the patient is sucked through the outer catheter 1 and the collecting bag 2, the ventilation catheter 4 can be rotated by the medical staff, so that the ventilation hole 41 is exposed between the two shielding arc plates 35, so that oxygen can be supplied to the respiratory tract of the patient through the ventilation catheter 4, thereby avoiding the situation that the respiratory tract of the patient is easily hypoxic when multiple sputums need to be cleaned during the process of dredging the airway of the patient, and the oxygen supply operation is facilitated while the airway of the patient is dredged, and the practicability is high.

[0026] Referring to Figure 3 As shown in the drawings, specifically, the other end of the outer catheter 1 is arc-shaped, the other end of the outer catheter 1 is fixedly provided with a shielding ring 11, the shielding ring 11 is of flexible material and can be extruded and fitted on the inner wall of the airway of the patient, so as to facilitate the pushing and collection of sputum; the outer catheter 1, the collecting bag 2, the guide pipe 3 and the ventilation catheter 4 are all of elastic material, which can be smoothly inserted into the airway of the patient and moved on the inner side of the airway of the patient, and the structure is simple and the operation is convenient.

[0027] The working principle and use process of the utility model: the utility model is in for the critical patient airway dredging, medical staff inserts outer layer catheter 1 into patient airway inside, until catheter end part moves to a sputum, then medical staff connects collection capsule 2 with external air pump, through the suction hole 12 of outer layer catheter 1 one end suction patient airway inside sputum or blood clot, after suction, medical staff rotates ventilation catheter 4, make ventilation catheter 4 on ventilation hole 41 expose, can oxygen supply for patient airway, when needing to clean next sputum, ventilation catheter 4 is rotated again, make ventilation hole 41 be shielded, repeat the above operation and carry out sputum suction, whole structure is simple, convenient operation, can oxygen supply operation when dredging patient airway, strong practicality.

[0028] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement for part of technical features. Any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. An airway patency device for respiratory support of a critically ill patient comprising an outer tube (1) characterised in that: One end of the outer layer catheter (1) is provided with a suction hole (12), the inner side of the outer layer catheter (1) is sleeved with a guide pipe (3), the length of the guide pipe (3) is greater than the length of the outer layer catheter (1), one end of the inner wall of the guide pipe (3) is fixedly provided with a second blocking ring (32), the side wall of one end of the guide pipe (3) is symmetrically fixedly provided with a shielding arc plate (35), the inner wall edge of the shielding arc plate (35) is symmetrically fixedly provided with a second shielding strip (34), the inner wall edge of the shielding arc plate (35) is fixedly provided with a first shielding strip (33), the second blocking ring (32) is located on one side of the shielding arc plate (35), the inner side of the guide pipe (3) is penetrated by a ventilation catheter (4), one end of the side wall of the ventilation catheter (4) is provided with a ventilation hole (41), and the ventilation hole (41) is located on one side of the shielding arc plate (35).

2. The airway patency device for respiratory support of critically ill patients according to claim 1, characterized in that One end of the outer layer catheter (1) is connected with a collection bag (2), the top of the collection bag (2) is connected with a connecting pipe (21), and the other end of the guide pipe (3) penetrates the side wall of the collection bag (2).

3. The airway patency device for respiratory support of critically ill patients according to claim 2, characterized in that: The other end of the outer layer catheter (1) is arc-shaped, the other end of the outer layer catheter (1) is fixedly provided with a shielding ring (11), and the shielding ring (11) is made of flexible material.

4. The airway patency device for respiratory support of critically ill patients according to claim 3, characterized in that: The inner wall of the guide pipe (3) is fixedly provided with a first blocking ring (31), and the size of the first blocking ring (31) is the same as that of the second blocking ring (32).

5. A device for airway patency according to claim 4, wherein: The first blocking ring (31), the second blocking ring (32), the first shielding strip (33) and the second shielding strip (34) are made of flexible material.

6. A device for airway patency according to claim 5, wherein: The outer layer catheter (1), the collection bag (2), the guide pipe (3) and the ventilation catheter (4) are made of elastic material.

7. A device for airway patency according to claim 6, wherein: The ventilation hole (41) is provided with a plurality of ventilation holes (41), and the aperture size of the ventilation hole (41) is smaller than the interval size of the two shielding arc plates (35).