Trachea cannula of breathing machine

Abstract

The utility model discloses a breathing machine trachea cannula which comprises a breathing machine connector, one end of the breathing machine connector is connected with a trachea cannula body in a pluggable mode, and the breathing machine connector and the trachea cannula body are locked through a locking assembly. When the trachea cannula needs to be loosened, the inner sides of the clamping pieces make contact with the outer wall of the trachea cannula, then the second limiting pieces in threaded connection with the clamping pieces are tightened, the second limiting pieces gradually move along the threads of the clamping pieces, clamping force is generated, the clamping force is transmitted to the trachea cannula through the clamping pieces, and therefore the trachea cannula is clamped; when the trachea cannula is pulled out, the second limiting piece gradually retreats along the threads, the clamping force is gradually reduced, the trachea cannula can be pulled out until the trachea cannula is loosened, the trachea cannula is not prone to being interfered by the external environment, and the stability and reliability of connection cannot be reduced even if the connector of the trachea cannula is abraded and aged due to frequent inserting and pulling operation.

Description

TECHNICAL FIELD

[0001] The utility model relates to tracheal intubation technical field, concretely is a breathing machine tracheal intubation. BACKGROUND

[0002] In the medical first-aid and intensive care field, the breathing machine is widely used for providing ventilation support for the patient with respiratory dysfunction as a kind of key life support equipment, and the tracheal intubation is connected as the bridge between the patient and the breathing machine, and the connection stability and reliability are directly related to the treatment effect and life safety of the patient.

[0003] However, the connection mode of the traditional tracheal intubation and the breathing machine interface needs additional dental pad or fixator to assist fixation, although the operation is simple, but in the use process, the connection between the tracheal intubation and the breathing machine interface is loose or falls off due to the activity of the patient, improper operation of the operator or external environmental interference and other factors, this unstable connection not only affects the normal work of the breathing machine, causes the ventilation effect to drop, and even can cause the patient to suffocate and other serious risks, in addition, the direct plug-in connection mode is also easy to cause the wear and aging of the tracheal intubation interface due to frequent plug-in operation, further reduces the stability and reliability of the connection, therefore, we provide a breathing machine tracheal intubation. SUMMARY

[0004] The utility model aims at providing a breathing machine tracheal intubation to solve the problems in the above background.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a breathing machine tracheal intubation, including breathing machine interface, the one end of breathing machine interface is connected with tracheal intubation in plug-in mode, is locked between breathing machine interface and tracheal intubation through locking assembly, locking assembly includes first limit piece, clamping piece and second limit piece, the outer wall of breathing machine interface is equipped with first limit piece, the side mirror line of first limit piece towards tracheal intubation installs two groups clamping piece, and the gap is left between two groups clamping piece, and the outer thread of two groups clamping piece is connected with a group of second limit piece that is suitable for it.

[0006] Preferably, the inner wall of the two groups of clamping pieces is provided with a first silica gel pad, and the outer wall of the end of the two groups of clamping pieces away from the first limit piece is provided with a second silica gel pad.

[0007] Preferably, the outer wall of the first limit piece is symmetrically provided with two groups of connecting ears.

[0008] Preferably, the tracheal cannula is externally provided with an air bag at one end away from the respirator interface, a first connecting pipe is embedded in one side of the tracheal cannula body, one end of the first connecting pipe communicates with the air bag, and the other end of the first connecting pipe penetrates out of the outer wall of the tracheal cannula near the end close to the respirator interface and is connected with an air valve.

[0009] Preferably, a second connecting pipe is embedded in one side of the tracheal cannula body away from the first connecting pipe, one end of the second connecting pipe penetrates out of the tracheal cannula near a position above the air bag, and the other end of the second connecting pipe penetrates out of the outer wall of the tracheal cannula near the end close to the respirator interface.

[0010] Preferably, the outer wall of the tracheal cannula is provided with a scale mark.

[0011] Compared with the prior art, the tracheal cannula has the following beneficial effects:

[0012] 1、The tracheal cannula is connected by inserting one end of the respirator interface into the tracheal cannula, contacting the inner side of the clamping piece with the outer wall of the tracheal cannula, and then tightening the second limiting piece connected with it by threads, so that the second limiting piece gradually moves along the threads of the clamping piece to generate a clamping force. The clamping force is transmitted to the tracheal cannula through the clamping piece, so that the tracheal cannula is clamped. When it is necessary to loosen the tracheal cannula, the second limiting piece is rotated in the opposite direction, and the second limiting piece gradually retreats along the threads, the clamping force gradually decreases, and the tracheal cannula is loosened. The tracheal cannula can be pulled out. The first limiting piece and the second limiting piece are hexagonal structures, which are convenient to twist and force, and are not easily disturbed by the external environment compared with the prior art. Even if the tracheal cannula interface is worn and aged due to frequent plugging and unplugging operations, the stability and reliability of the connection will not be reduced.

[0013] 2、The hard material in the middle of the clamping piece can protect the tracheal cannula from being bitten, the first silica gel pad in the inner layer can increase the friction with the tracheal cannula, further preventing it from falling off, and the second silica gel pad in the outer layer can protect the patient's teeth. The outer wall of the first limiting piece has connecting ears on both sides, which can be fixed with a fixing belt to firmly fix the tracheal cannula and ensure the safety of the patient.

[0014] 3,The utility model discloses a tracheal cannula is one kind of artificial airway, through the mouth or nose and insert into the trachea, for maintaining the ventilation function of patient, air bag is located at the end of tracheal cannula, for closing airway, prevent the oral pharynx part secretion to enter the lung, can pass through the first connecting pipe and release gas, and the valve plays the role of opening and closing, the position of the suction on the bag is located above the air bag, owing to the blocking effect of air bag, oral cavity secretion and gastroesophageal reflux material etc. are easy to detain, form the detained material on the air bag, therefore, the suction on the bag is in the region above the air bag and carries out the suction operation, is connected with negative pressure suction device through the second connecting pipe, can suck out the detained material, the scale mark on the tracheal cannula usually indicates the distance of catheter tip to scale, this distance is the recommended depth of catheter insertion into the trachea, these numbers represent the centimeter number of catheter tip distance from a certain reference point such as catheter opening end, the doctor can determine the suitable depth of cannula according to the age, sex, height of patient and the operation demand factor, and combines the scale mark. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the exploded view of the overall structure of the utility model;

[0016] Figure 2 It is the enlarged view of structure A of the utility model;

[0017] Figure 3 It is the enlarged view of structure B of the utility model;

[0018] Figure 4 It is the schematic diagram of the overall structure of the utility model.

[0019] In the drawing: 1, breathing machine interface, 2, tracheal cannula, 3, first limit piece, 4, clamping piece, 5, second limit piece, 6, first silica gel pad, 7, second silica gel pad, 8, connecting ear, 9, air bag, 10, first connecting pipe, 11, valve, 12, second connecting pipe, 13, scale mark. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0021] Embodiment one

[0022] Please refer to Figures 1-4The utility model provides a breathing machine tracheal cannula, including breathing machine interface 1, breathing machine interface 1 one end plug -in plug -out connection has tracheal cannula 2, and breathing machine interface 1 with tracheal cannula 2 are locked between through locking assembly, and locking assembly includes first limit piece 3, clamping piece 4 and second limit piece 5, and the outer wall of breathing machine interface 1 is equipped with first limit piece 3, and the one side mirror line of first limit piece 3 towards tracheal cannula 2 installs two sets of clamping piece 4, and the gap is left between two sets of clamping piece 4, and the outside of two sets of clamping piece 4 is connected with a set of second limit piece 5 that is adapted to it with the thread.

[0023] In the embodiment, when connecting, one end of breathing machine interface 1 is inserted into the inside of tracheal cannula 2, the inside of clamping piece 4 is in contact with the outer wall of tracheal cannula 2, then the second limit piece 5 that is connected with the thread is tightened, the second limit piece 5 gradually moves along the thread of clamping piece 4, generates clamping force, and the clamping force is transmitted to tracheal cannula 2 through clamping piece 4, so that tracheal cannula 2 is clamped, when tracheal cannula 2 needs to be loosened, only need to rotate the second limit piece 5 reversely, the second limit piece 5 will gradually retreat along the thread, the clamping force gradually reduces, until tracheal cannula 2 is loosened, tracheal cannula 2 can be pulled out, the first limit piece 3 and the second limit piece 5 are all hexagonal structures, conveniently force is screwed, compared with prior art, is not easy to be disturbed by external environment, even if because of frequent plug -in plug -out operation, the wear and tear and aging of tracheal cannula interface 2, will not reduce the stability and reliability of connection.

[0024] Please refer to Figures 1-4 As shown in the figure, the inner wall of two sets of clamping piece 4 is provided with first silica gel pad 6, the outer wall of the end of two sets of clamping piece 4 away from first limit piece 3 is provided with second silica gel pad 7, and the outer wall of first limit piece 3 is symmetrically installed with two sets of connecting ears 8.

[0025] In the embodiment, the middle of clamping piece 4 is of hard material, which can protect tracheal cannula 2 from being bitten, the first silica gel pad 6 of inner layer can increase the friction with tracheal cannula 2, further prevent falling, the second silica gel pad 7 of outer layer can protect the teeth of patient, the outer wall of first limit piece 3 has connecting ear 8, and the tracheal cannula 2 can be fixed firmly by cooperating with fixing belt, to ensure the safety of patient.

[0026] Please refer to Figures 1-4As shown, the tracheal tube 2 is provided with a cuff 9 at the end away from the respirator interface 1, a first connecting tube 10 is embedded in one side of the tracheal tube 2, one end of the first connecting tube 10 communicates with the cuff 9, the other end of the first connecting tube 10 penetrates out of the outer wall of the end of the tracheal tube 2 close to the respirator interface 1 and is connected with a gas valve 11, a second connecting tube 12 is embedded in the side of the tracheal tube 2 away from the first connecting tube 10, one end of the second connecting tube 12 penetrates out of the tracheal tube 2 at a position close to the top of the cuff 9, the other end of the second connecting tube 12 penetrates out of the outer wall of the end of the tracheal tube 2 close to the respirator interface 1, and the outer wall of the tracheal tube 2 is provided with a scale mark 13.

[0027] In this embodiment, the tracheal tube 2 is one kind of artificial airway, which is inserted into the trachea through the mouth or nose, used to maintain the ventilation function of the patient, and the cuff 9 is located at the end of the tracheal tube 2, used to close the airway and prevent the oropharyngeal secretions from entering the lungs, and the first connecting tube 10 can be used to release the gas, the gas valve 11 plays a role of opening and closing, and the suction position above the cuff is located above the cuff 9. Due to the blocking effect of the cuff 9, oral secretions and gastroesophageal reflux materials are easy to be retained, forming the retained materials above the cuff 9, therefore, the suction above the cuff is to perform the suction operation in this area above the cuff 9, and the second connecting tube 12 is connected with the negative pressure suction device, so that the retained materials can be sucked out. The scale mark 13 on the tracheal tube 2 usually represents the distance from the catheter tip to the scale, which is the recommended depth of the catheter inserted into the trachea. These numbers represent the centimeter distance from the catheter tip to a reference point such as the catheter opening end. The doctor can determine the appropriate depth of the tracheal tube according to the age, gender, height and operation requirements of the patient, combined with the scale mark 13.

[0028] Working principle: firstly, when connecting, one end of the breathing machine interface 1 is inserted into the endotracheal tube 2, the inner side of the clamping piece 4 is in contact with the outer wall of the endotracheal tube 2, then the second limiting piece 5 is screwed and connected, and the second limiting piece 5 is gradually moved along the thread of the clamping piece 4, so that the clamping force is generated, the clamping force is transmitted to the endotracheal tube 2 through the clamping piece 4, so that the endotracheal tube 2 is clamped, when the endotracheal tube 2 needs to be loosened, only the second limiting piece 5 is rotated in the opposite direction, the second limiting piece 5 will gradually retreat along the thread, the clamping force will gradually decrease, until the endotracheal tube 2 is loosened, the endotracheal tube 2 can be pulled out, the outer wall of the first limiting piece 3 has connecting ears 8, which can be fixed with a fixed belt, so that the endotracheal tube 2 can be fixed firmly, and the safety of the patient is guaranteed, the endotracheal tube 2 is a kind of artificial airway, which is inserted into the trachea through the mouth or nose, and is used to maintain the ventilation function of the patient, the air bag 9 is located at the end of the endotracheal tube 2, which is used to close the airway and prevent the oral cavity from secreting into the lung, the air can be discharged through the first connecting pipe 10, the air valve 11 plays the role of opening and closing, the suction position of the bag is above the air bag 9, due to the blocking effect of the air bag 9, the oral cavity secretion and the gastric reflux material are easy to be retained, and the retained material above the air bag 9 is formed, therefore, the bag suction is carried out in the area above the air bag 9, and the second connecting pipe 12 is connected with the negative pressure suction device, so that the retained material can be sucked out.

[0029] The contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0030] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A ventilator tracheal tube comprising a ventilator interface (1), characterized in that: One end of the breathing machine interface (1) is plug-connected with a tracheal cannula (2), the breathing machine interface (1) and the tracheal cannula (2) are locked through a locking assembly, the locking assembly comprises a first limiting piece (3), a clamping piece (4) and a second limiting piece (5), the outer wall of the breathing machine interface (1) is sleeved with the first limiting piece (3), the side of the first limiting piece (3) facing the tracheal cannula (2) is mirror-lined with two groups of clamping pieces (4), the two groups of clamping pieces (4) are provided with gaps, and the outer part of the two groups of clamping pieces (4) is threadedly connected with a group of second limiting pieces (5) matched with them.

2. A breathing apparatus tracheal cannula according to claim 1, characterized in that: The inner walls of the two groups of clamping pieces (4) are provided with first silica gel pads (6), and the outer walls of the ends of the two groups of clamping pieces (4) away from the first limiting piece (3) are provided with second silica gel pads (7).

3. A breathing apparatus tracheal cannula according to claim 1, characterized in that: The outer wall of the first limiting piece (3) is symmetrically provided with two groups of connecting ears (8).

4. A breathing apparatus tracheal cannula according to claim 1, characterized in that: The outer part of the end of the tracheal cannula (2) away from the breathing machine interface (1) is provided with an air bag (9), one side of the pipe body of the tracheal cannula (2) is inlaid with a first connecting pipe (10), one end of the first connecting pipe (10) communicates with the air bag (9), the other end of the first connecting pipe (10) penetrates out of the outer wall of the end of the tracheal cannula (2) close to the breathing machine interface (1), and is connected with an air valve (11).

5. A breathing apparatus tracheal tube according to claim 4, wherein: The side of the pipe body of the tracheal cannula (2) away from the first connecting pipe (10) is inlaid with a second connecting pipe (12), one end of the second connecting pipe (12) penetrates out of the tracheal cannula (2) close to the position above the air bag (9), and the other end of the second connecting pipe (12) penetrates out of the outer wall of the end of the tracheal cannula (2) close to the breathing machine interface (1).

6. A breathing apparatus tracheal tube according to claim 5, wherein: The outer wall of the tracheal cannula (2) is provided with a scale mark (13).

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