CN211024640U

CN211024640U - Novel trachea cannula

Info

Publication number: CN211024640U
Application number: CN201920861318.7U
Authority: CN
Inventors: 王权; 杨利强
Original assignee: Suzhou Xinsida Medical Technology Co ltd
Current assignee: Suzhou Xinsida Medical Technology Co ltd
Priority date: 2019-06-10
Filing date: 2019-06-10
Publication date: 2020-07-17
Anticipated expiration: 2029-06-10

Abstract

The utility model discloses a novel trachea cannula, which comprises a main pipeline, a sputum suction pipe and a breather pipe, wherein one end of the main pipeline is a machine end, and the other end is a patient end; an air bag is sleeved on the outer wall of the main pipeline close to the patient end, and one end of a vent pipe extends out of the outer wall of the main pipeline and is connected with an air inlet switch; the other end of the vent pipe is communicated with the air bag. The air inlet switch comprises an air passage, an extrusion spring, a pressure lever and an air inlet connecting pipe. When the air sac bulges, the air pipe can be expanded, air leakage is avoided, and when secretion is generated above the air sac, the secretion can be sucked out of the sputum suction pipe in time, so that the accumulation of the secretion is avoided; meanwhile, the air inlet switch can be automatically closed rapidly under the action of the extrusion spring after the inflating device is withdrawn, so that the gas leakage in the air bag is effectively avoided.

Description

Novel trachea cannula

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a novel trachea cannula.

Background

Tracheal intubation is a common ventilation device in clinical phase-selective operation and emergency treatment, and the intubation technology is still a very valuable technology, in the process of rescuing patients, the patients often need to breathe by means of a breathing machine due to difficult breathing, in order to avoid gas leakage, the trachea is generally blocked by using an air bag, the air bag is inflated by adopting an inflating device, the inflating device is withdrawn after the air bag is inflated, therefore, the inlet of the vent pipe needs to be provided with a switch, the switch in the prior art has the phenomenon of untimely closing, the time delay exists in the process of withdrawing the inflating device to close the switch, the gas in the air bag leaks, the air bag has small volume, and the blocking effect of the air bag on the air pipe can be influenced by slight leakage, so the inlet of the vent pipe needs to be closed in time, in addition, secretion is easily generated above the air sac, and long-term accumulation of secretion easily causes inflammation of the mucous membrane on the surface of the trachea.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to solve the problem that the air leakage inside the air bag is easily caused when the vent pipe is closed in the trachea cannula in the prior art, the blocking effect of the air bag on the trachea is influenced, and the secretion above the air bag cannot be discharged in time, the utility model provides a novel trachea cannula solves the problems.

The utility model provides a technical scheme that its technical problem adopted is: a novel trachea cannula comprises a main pipeline, wherein the main pipeline is a hollow catheter, one end of the main pipeline is a machine end which is used for being connected with a breathing machine, the other end of the main pipeline is a patient end, and the patient end extends into a trachea of a patient; an air bag is sleeved on the outer wall of the main pipeline close to the patient end and used for blocking an air pipe and preventing oxygen fed by a breathing machine from leaking; the sputum suction pipe extends along the longitudinal line of the wall cavity of the main pipeline, and one end of the sputum suction pipe extends out of the outer wall of the main pipeline and is connected with a sputum suction port; the other end of the sputum suction pipe penetrates through the outer wall of the main pipeline above the air bag and is used for sucking secretion accumulated above the air bag in time; the vent pipe extends along the longitudinal line of the wall surface cavity of the main pipeline, and one end of the vent pipe extends out of the outer wall of the main pipeline and is connected with an air inlet switch; the other end of the vent pipe penetrates through the outer wall of the main pipeline and is communicated with the air bag.

The air inlet switch comprises an air passage, an extrusion spring, a pressure lever and an air inlet connecting pipe communicated and butted with the air passage, the air passage is communicated with the air pipe, the pressure lever comprises a pressing block and straight rods positioned at two ends of the pressing block, and the extrusion spring is sleeved on the straight rods positioned between the pressing block and the end part of the air passage; when the air inlet switch is not used, the pressing block abuts against the end face of the air channel, and the air channel is disconnected from the air inlet connecting pipe; when the compression bar is compressed, the compression spring contracts, and the pressing block is far away from the end face of the air channel; the air passage is communicated with the air inlet connecting pipe.

Further, the main pipeline and the surface of the air bag are both coated with a high polymer hydrophilic gel coating.

Further, the inner wall of the main pipeline is coaxially provided with a spiral steel wire.

Preferably, the patient end of the main conduit is a beveled cut.

Preferably, a sealing ring is further arranged between the pressing block and the end face of the air channel.

Preferably, a protective cap is arranged at the sputum suction port.

Preferably, a ventilation hose is connected between the ventilation channel and the ventilation pipe, and a protective film is coated on the outer surface of the ventilation hose.

Preferably, the diameter of the main pipeline is larger than that of the sputum suction pipe, and the diameter of the sputum suction pipe is larger than that of the vent pipe.

Preferably, a limiting block is fixed on the straight rod positioned in the air inlet connecting pipe, and when the pressing rod is extruded, the limiting block abuts against the end face of the air inlet connecting pipe.

The utility model has the advantages that:

(1) The utility model is provided with a sputum suction pipe for sucking sputum and a vent pipe for making the air sac swell, the air pipe can be expanded when the air sac swells, air leakage is avoided, and when secretion is generated above the air sac, the secretion can be sucked out from the sputum suction pipe in time, so that the accumulation of the secretion is avoided; meanwhile, the air inlet switch is opened when connected with the inflating device, and the inflating device can be quickly and automatically closed after being withdrawn, so that the gas leakage in the air bag is effectively avoided.

(2) The utility model discloses a trunk line and gasbag surface all coat have high polymer hydrophilic gel coating, high polymer hydrophilic gel coating has hydrophilic lubricated characteristic, can reduce the friction to nasal cavity way to can adsorb normal saline or aseptic water, have better antibiotic effect, thereby the infection problem that the greatly reduced intubate arouses.

(3) The utility model discloses a be equipped with the spiral steel wire in the trunk line, can guarantee certain camber, have plasticity again, can effectively prevent to buckle, prevent the dead space, when patient's transform position, can improve the security.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a perspective view of an embodiment of the novel endotracheal tube of the present invention;

Fig. 2 is a schematic cross-sectional view of an embodiment of the novel endotracheal tube of the present invention;

Fig. 3 is a schematic cross-sectional view of the novel endotracheal intubation according to the present invention when the air inlet switch is in the closed state;

Fig. 4 is a schematic cross-sectional view of the novel endotracheal tube of the present invention with the air inlet switch in an open state;

FIG. 5 is an enlarged view at A in FIG. 2;

FIG. 6 is an enlarged view at B in FIG. 2;

FIG. 7 is an enlarged view at C of FIG. 2;

FIG. 8 is an enlarged view at D of FIG. 2;

Fig. 9 is a schematic structural view of an airway in the novel trachea cannula of the invention.

In the figure, 1, a main pipeline, 1-1, a machine end, 1-2, a patient end, 2, an air bag, 3, a sputum suction pipe, 3-1, a sputum suction port, 3-2, a protective cap, 4, a through hole, 5, an air inlet switch, 5-1, an air duct, 5-2, an extrusion spring, 5-3, a pressure rod, 5-31, a pressing block, 5-32, a straight rod, 5-33, a limiting block, 5-4, an air inlet connecting pipe, 5-5, a sealing ring, 6, an inlet marked line, 7, a spiral steel wire, 8, an air hose, 9, a protective film, 10 and a high polymer hydrophilic gel coating.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The utility model discloses in with the machine end 1-1 that is close to trunk line 1 as the top.

Embodiment 1, as shown in fig. 1 to 8, a novel endotracheal tube comprises a main conduit 1, the main conduit 1 is a hollow conduit, one end of the main conduit 1 is a machine end 1-1, and the other end is a patient end 1-2; an air bag 2 is sleeved on the outer wall of the main pipeline 1 close to the patient end 1-2; the sputum suction pipe 3 extends along the longitudinal line of the wall cavity of the main pipeline 1, one end of the sputum suction pipe 3 extends out of the outer wall of the main pipeline 1 and is connected with a sputum suction port 3-1; the other end of the sputum suction tube 3 penetrates through the outer wall of the main tube 1 above the air bag 2, and the end face of the sputum suction tube 3 shown in figure 8 is positioned below the air bag 2; the vent pipe 4 extends along the longitudinal line of the wall cavity of the main pipeline 1, one end of the vent pipe 4 extends out of the outer wall of the main pipeline 1 and is connected with an air inlet switch 5; the other end of the vent pipe 4 penetrates through the outer wall of the main pipe 1 to be communicated with the air bag 2, and the end face of the vent pipe 4 shown in figure 8 is positioned inside the air bag 2. As shown in fig. 7 and 8, the sputum aspirator tube 3 and the ventilation tube 4 extend in the wall surface of the main tube 1.

Trunk line 1 is connected with the breathing machine, replaces autonomic breathing, inhales phlegm pipe 3 and is used for inhaling the phlegm, and breather pipe 4 is used for aerifing gasbag 2, and gasbag 2 opens the trachea to block up the trachea passageway, when the breathing machine ventilates to the trachea, oxygen can not spill, and trunk line 1, inhale phlegm pipe 3 and breather pipe 4 and be cylindrical pipe, and all adopt the preparation of medical high elasticity PVC material, and the texture is soft not have the stimulation, and trunk line 1's machine end 1-1 has the machine to connect.

As shown in fig. 3 and 4, the air inlet switch 5 comprises an air duct 5-1, an extrusion spring 5-2, a pressure lever 5-3 and an air inlet connecting pipe 5-4 communicated and butted with the air duct 5-1, the air duct 5-1 is communicated with the air duct 4, the pressure lever 5-3 comprises a pressing block 5-31 and straight rods 5-32 positioned at two ends of the pressing block 5-31, and the extrusion spring 5-2 is sleeved on the straight rods 5-32 positioned between the pressing block 5-31 and the end part of the air duct 5-1; when the air inlet switch 5 is not used, the pressing block 5-31 is pressed against the end face of the air duct 5-1, and the air duct 5-1 is disconnected from the air inlet connecting pipe 5-4; when the compression bar 5-3 is extruded, the extrusion spring 5-2 contracts, and the pressing block 5-31 is far away from the end face of the air duct 5-1; the air duct 5-1 is communicated with the air inlet connecting pipe 5-4.

The air inlet switch 5 has an automatic closing function, the interface of the inflating device is inserted into the air inlet connecting pipe 5-4 to extrude the pressure lever 5-3, at the moment, the pressure block 5-31 is far away from the end face of the air channel 5-1 contacted with the pressure block, as shown in figure 4, the interface of the air channel 5-1 and the air inlet connecting pipe 5-4 is opened, air can enter the air channel 5-1 to inflate the air bag 2, the air bag 2 enables the air pipe to be expanded and blocks the opening of the air pipe, and meanwhile, as the length of the air channel 5-1 is not changed, the extruding spring 5-2 is compressed; after the inflation is finished, the inflation device is withdrawn, the pressing block 5-31 moves towards the end face of the air duct 5-1 under the action of the restoring force of the extrusion spring 5-2 at the moment, the interface between the air duct 5-1 and the air inlet connecting pipe 5-4 is blocked again, as shown in fig. 3, the air duct 5-1 is disconnected from the air inlet connecting pipe 5-4, so that the air inlet switch 5 is automatically opened when the air inlet connecting pipe 5-4 is connected with the inflation device, the air inlet connecting pipe 5-4 is instantly closed when the inflation device is withdrawn, and the air bag 2 can still keep the inflated state after the inflation device is withdrawn.

Preferably, the patient end 1-2 of the main conduit 1 is a diagonal cut to ensure that the main conduit 1 has an alignment point when inserted into the trachea, and the top of the slope of the patient end 1-2 of the main conduit 1 is aligned with the trachea of the patient.

Preferably, as shown in fig. 1, an inlet mark 6 may be provided on the wall of the main conduit 1, and one end of the air bag 2 and one end of the sputum suction tube 3 are both located between the patient end 1-2 of the main conduit 1 and the inlet mark 6.

Preferably, as shown in fig. 5, a protective cap 3-2 is arranged at the sputum suction port 3-1.

The utility model discloses a concrete application method does: the top end of the oblique cut of the main pipeline 1 is aligned with the trachea of a patient and slowly extends into the trachea until an inlet marking 6 reaches the entrance of the trachea, at the moment, the connector of the air charging device is inserted into the air charging switch 5, the air bag 2 is inflated, the air charging device is withdrawn after the inflation is finished, the air charging switch 5 is automatically closed, the air bag 2 is still in the inflated state, the trachea is blocked by the air bag 2, so when excrement such as sputum is generated above the air bag 2, the excrement cannot flow in through the trachea, meanwhile, the patient is in a lying posture, the excrement cannot automatically flow out, the sputum suction pipe 3 needs to be used for sucking, the protective cap 3-2 is opened when the sputum suction pipe 3 is used, the sputum suction pipe 3 is connected with negative pressure equipment for sucking the excrement, after the use is finished, the air bag 2 can be deflated by slightly jacking the ejector rod in the air charging switch 5, and then the main pipeline 1 is slowly.

Preferably, a sealing ring 5-5 is further arranged between the pressing block 5-31 and the end face of the air duct 5-1, and when the air inlet switch 5 is in a closed state, the sealing ring 5-5 can ensure the sealing performance at the interface of the air duct 5-1 and the air inlet connecting pipe 5-4.

Preferably, the straight rod 5-32 positioned in the air inlet connecting pipe 5-4 is fixed with a limiting block 5-33, and when the pressure lever 5-3 is extruded, the limiting block 5-33 is abutted against the end face of the air inlet connecting pipe 5-4, so that the pressure lever 5-3 is prevented from being clamped at the interface of the air inlet connecting pipe 5-4 and the air channel 5-1 when being reset. The limiting blocks 5-33 are of a waist-round structure, so that the limiting blocks 5-33 are prevented from blocking the interface between the air inlet connecting pipe 5-4 and the air duct 5-1 after the compression rod 5-3 is extruded.

Preferably, as shown in fig. 6, a ventilation hose 8 is connected between the air duct 5-1 and the ventilation pipe 4, so that the air duct 5-1 and the ventilation pipe 4 are in soft transition, and a protective film 9 is coated on the outer surface of the ventilation hose 8 to prevent the ventilation hose 8 from being damaged.

Embodiment 2, main pipe 1 causes the throat injury easily when the throat, consequently need to carry out lubrication treatment to main pipe 1 surface usually, methods such as the surface is paintd paraffin oil, silicon oil are usually adopted, although can reduce some friction, this kind of processing method is not ideal, trachea cannula surface lubrication is difficult to lasting, it is comparatively troublesome to operate the process of applying oil, cause secondary pollution to aseptic intubate easily if the misoperation, more importantly scribble the mineral oil base class lubrication product on surface and remain in the trachea easily, difficult discharge breeds the bacterial incidence from leading to the fact, for this reason this embodiment all coats at main pipe 1 and gasbag 2 surface and has high polymer hydrophilic gel coating 10, as shown in fig. 9, high polymer hydrophilic gel coating 10 is located the outmost wall of main pipe 1.

The hydrophilic lubricating high polymer hydrophilic gel coating 10 is in a colorless transparent dry film state under normal environment, has no influence on the production, package, sterilization and storage, and in clinical use, a user only needs to soak the tracheal cannula made of the high polymer material modified by the high polymer hydrophilic gel in clinically common sterile water or physiological saline for 3-10 seconds to activate the gel hydrophilic group, so that the high polymer coating is firm and reliable, and can not leave residues in the trachea. Aiming at the characteristics of hydrophilicity and water absorption of the gel, a certain amount of antibiotic medicine can be added into sterile water or liquid containing a certain amount of antibiotic medicine is soaked in the main pipeline 1 to activate the high polymer hydrophilic gel coating 10 according to clinical practical conditions during activation, so that the high polymer hydrophilic gel coating 10 can uniformly adsorb the antibiotic liquid on the surface of the main pipeline 1 in the activation process, and the surface of the main pipeline 1 can have a better antibacterial function when the intubation tube is placed into a cavity, thereby greatly reducing the infection problem caused by the intubation tube.

Embodiment 3, on the basis of embodiment 1 or embodiment 2, as shown in fig. 1 and fig. 2, the spiral steel wire 7 is coaxially arranged on the inner wall of the main pipe 1, and the spiral steel wire 7 has good elasticity and hardness, can keep a certain degree of bending, has plasticity, can effectively prevent bending, prevents dead space, and can improve safety when a patient changes body position.

The utility model discloses well trunk line 1 need provide sufficient oxygen and supply the patient to breathe voluntarily, therefore the diameter is great, and air duct 5-1 needs slowly inflate gasbag 2, therefore the diameter is less, as preferred, the diameter of trunk line 1 is greater than the diameter of inhaling phlegm pipe 3, inhales the diameter of phlegm pipe 3 and is greater than the diameter of breather pipe 4, and trunk line 1 is 8 ~ 14mm usually; the diameter of the sputum suction pipe 3 is 3-5 mm, and the diameter of the breather pipe 4 is 0.5-1.5 mm.

In this specification, the schematic representations of the terms are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A novel endotracheal tube, comprising:

The device comprises a main pipeline (1), wherein the main pipeline (1) is a hollow conduit, one end of the main pipeline (1) is a machine end (1-1), and the other end of the main pipeline is a patient end (1-2); an air bag (2) is sleeved on the outer wall of the main pipeline (1) close to the patient end (1-2);

The sputum suction pipe (3) extends along the longitudinal line of the wall cavity of the main pipeline (1), one end of the sputum suction pipe (3) extends out of the outer wall of the main pipeline (1) and is connected with a sputum suction port (3-1); the other end of the sputum suction pipe (3) penetrates through the outer wall of the main pipeline (1) above the air bag (2);

The ventilation pipe (4) extends along the longitudinal line of the wall cavity of the main pipe (1), one end of the ventilation pipe (4) extends out of the outer wall of the main pipe (1) and is connected with an air inlet switch (5); the other end of the vent pipe (4) penetrates through the outer wall of the main pipeline (1) and is communicated with the air bag (2);

The air inlet switch (5) comprises an air passage (5-1), an extrusion spring (5-2), a pressure lever (5-3) and an air inlet connecting pipe (5-4) communicated and butted with the air passage (5-1), the air passage (5-1) is communicated with the air passage (4), the pressure lever (5-3) comprises a pressing block (5-31) and straight rods (5-32) positioned at two ends of the pressing block (5-31), and the extrusion spring (5-2) is sleeved on the straight rods (5-32) positioned between the pressing block (5-31) and the end part of the air passage (5-1); when the air inlet switch (5) is not used, the pressing block (5-31) abuts against the end face of the air channel (5-1), and the air channel (5-1) is disconnected with the air inlet connecting pipe (5-4); when the compression bar (5-3) is compressed, the compression spring (5-2) contracts, and the pressing block (5-31) is far away from the end face of the air duct (5-1); the air passage (5-1) is communicated with the air inlet connecting pipe (5-4).

2. The novel endotracheal tube according to claim 1, characterized in that: the surfaces of the main pipeline (1) and the air bag (2) are coated with high polymer hydrophilic gel coatings (10).

3. The novel endotracheal tube according to claim 1, characterized in that: the inner wall of the main pipeline (1) is coaxially provided with a spiral steel wire (7).

4. The novel endotracheal tube according to claim 1, characterized in that: the patient end (1-2) of the main pipeline (1) is an oblique incision.

5. The novel endotracheal tube according to claim 1, characterized in that: and a sealing ring (5-5) is also arranged between the pressing block (5-31) and the end surface of the air duct (5-1).

6. The novel endotracheal tube according to claim 1, characterized in that: a protective cap (3-2) is arranged at the sputum suction port (3-1).

7. The novel endotracheal tube according to claim 1, characterized in that: an air hose (8) is connected between the air passage (5-1) and the air pipe (4), and a protective film (9) is coated on the outer surface of the air hose (8).

8. The novel endotracheal tube according to claim 1, characterized in that: the diameter of the main pipeline (1) is larger than that of the sputum suction pipe (3), and the diameter of the sputum suction pipe (3) is larger than that of the vent pipe (4).

9. The novel endotracheal tube according to claim 1, characterized in that: a limiting block (5-33) is fixed on the straight rod (5-32) positioned in the air inlet connecting pipe (5-4), and when the pressure rod (5-3) is extruded, the limiting block (5-33) abuts against the end face of the air inlet connecting pipe (5-4).