CN211561470U

CN211561470U - Sprayer in tracheal catheter

Info

Publication number: CN211561470U
Application number: CN201922118884.1U
Authority: CN
Inventors: 刘静; 徐克平
Original assignee: First Affiliated Hospital of PLA Military Medical University
Current assignee: Nanfang Hospital; First Affiliated Hospital of PLA Military Medical University
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-09-25
Anticipated expiration: 2029-11-29

Abstract

The utility model relates to the technical field of medical equipment, specifically disclose atomizer in endotracheal tube, including the aerosol canister, still include spray tube and clamp plate, spray tube one end fixed connection is equipped with the through-hole on the clamp plate on the shower nozzle of aerosol canister, the other end fixed connection endotracheal tube of spray tube, spray tube one end fixed connection, and the through-hole is stretched out to the shower nozzle of aerosol canister, and the clamp plate offsets with the press head of aerosol canister. The scheme is used for solving the problems of long time consumption and serious medicament waste of inhalation when a cannula patient inhales medicaments by adopting a mode of inhaling aerosol matched with a mist storage tank in the prior art.

Description

Sprayer in tracheal catheter

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a sprayer in a tracheal catheter.

Background

Clinically, before performing a total anesthesia operation on a patient, the patient needs to inhale a drug for anesthesia, taking the patient inhaling a salbutamol medicament as an example, in the prior art, the patient generally inhales aerosolized salbutamol through spontaneous breathing, specifically:

1. taking an inhalation aerosol containing albuterol (as shown in figure 1, the inhalation aerosol comprises aerosol canister 104 (also called pressurized canister), housing 102 with nozzle, and cover 110 covering the nozzle, the aerosol canister 104 contains albuterol and compressed gas), taking off the cover of the nozzle, and shaking.

2. The patient is allowed to exhale gently until no more air can be exhaled from the lungs, and then immediately place the mouthpiece in the mouth, closing the lips with the mouthpiece.

3. Then the aerosol can is immediately pressed, so that the pressing head of the aerosol can moves towards the inner part of the aerosol can body, and the medicament is sprayed out from the spray nozzle of the aerosol can to the spray nozzle.

4. Then inhale a breath deeply and hold the breath for 10 seconds, or hold the breath for as long as possible without discomfort, and then exhale slowly.

Completing the inhalation of the salbutamol medicament after the steps 1-4 are completed.

The mode is convenient for the patient who can breathe autonomously, but the operation is very difficult for the patient who loses the autonomous control of the breathing gas (such as an intubated patient in an intensive care unit), and medical staff need to identify the breathing state of the patient by themselves and then spray the medicament into the oral cavity of the patient at proper time; however, in this way, the intubated patient cannot perform the above steps 2 and 4 as the general patient does, so that the patient inhales a small amount of the medicine.

Therefore, in the prior art, a storage tank with a mask is added on the inhalation aerosol, the storage tank is inserted at the nozzle, then the mask covers the mouth and the nose of a patient, and then the aerosol tank is pressed to eject the medicament; in the process, the medicament can not be dispersed from the air for a long time by the mist storage tank, so that a patient can conveniently inhale more medicaments relatively.

Although this method can increase the amount of inhaled medicine, for intubated patients, it is still necessary to press the aerosol canister many times to eject more medicine to ensure that the patients inhale enough medicine, which is time consuming and waste medicine.

SUMMERY OF THE UTILITY MODEL

The utility model provides an endotracheal tube atomizer to solve among the prior art and adopt the mode of inhaling aerosol cooperation mist storage tank to carry out the inhalation medicament that exists when medicine inhales to the intubate patient and consume long and the extravagant serious problem of medicament.

In order to achieve the above object, the basic scheme of the present invention is as follows:

atomizer in endotracheal tube, including the aerosol canister, still include spray tube and clamp plate, spray tube one end fixed connection is on the shower nozzle of aerosol canister, and the other end fixed connection endotracheal tube of spray tube is equipped with the through-hole on the clamp plate, and the through-hole is stretched out to the shower nozzle of aerosol canister, and the clamp plate offsets with the press head of aerosol canister.

Compare the beneficial effect in prior art:

when the scheme is adopted, the aerosol can is manually pressed, so that the medicament is sprayed out of the aerosol can, the sprayed medicament enters the spray pipe and directly enters the tracheal catheter inserted into the patient body from the spray pipe, compared with the prior art, the patient inhales the medicament into the tracheal catheter without breathing, but directly sprays the medicament into the human body through the spray pipe connected with the tracheal catheter, the medicament can quickly reach the tracheal catheter of the patient, and the medicament is not lost; in addition, medical personnel do not need to spout the medicament according to the breathing condition of patient, have reduced medical personnel and inhaled the operation degree of difficulty of medicament for intubate patient, easily promote.

The existence of clamp plate for can only have one hand just can accomplish the pressing action of aerosol canister when the manual pressure aerosol canister, support on aerosol canister's the body like a thumb, another thumb is pressed on the clamp plate, and two thumbs exert pressing force to the aerosol canister in the middle of jointly, make aerosol canister's press head remove in aerosol canister's the body, and then in medicine spout from aerosol canister's shower nozzle department, whole process operation is simple easily to be realized.

Furthermore, a hose is arranged at one end of the spray pipe connected with the spray head, and the spray head is sleeved on the spray head in an interference fit manner; the connecting structure is simple and easy to operate.

Furthermore, one end of the connecting piece connected with the tracheal catheter through the spray pipe is fixedly connected with a connecting block, a communicating hole for communicating the spray pipe and the tracheal catheter is arranged on the connecting block, and the tracheal catheter is sleeved on the connecting block through interference fit.

Has the advantages that: through setting up the connecting block of taking the intercommunicating pore for the velocity of flow of medicament can be controlled, and the flow velocity of medicament becomes fast because of the existence of intercommunicating pore makes the circulation passageway of medicament narrow, also reaches spun state promptly after the medicament passes through the intercommunicating pore, and the speed that the medicament got into endotracheal tube is faster, therefore can reach the patient in vivo sooner.

Furthermore, the communication hole is conical, the position with the largest cross-sectional area of the communication hole faces the spray pipe, and the position with the smallest cross-sectional area of the communication hole faces the tracheal catheter; further increasing the flow rate of the medicament from the connector block into the endotracheal tube.

Further, fixedly connected with guide post on the clamp plate, the guide post encloses and closes in the aerosol canister periphery, and aerosol canister sliding connection is on the guide post.

Has the advantages that: on the one hand, the guide post forms the guide effect to the slip of aerosol canister, and on the other hand, the guide post forms the protection to the aerosol canister.

Furthermore, sliding connection has the activity stopper in the guide post, and the activity stopper offsets with the aerosol canister, and the slip direction of activity stopper is the same with the slip direction of aerosol canister.

Has the advantages that: the aerosol can be extruded by pressing the movable plug and the pressing plate, and in addition, the piston can also form the protection of the aerosol can.

Further, the guide post and the pressing plate are integrally formed; the integral forming can improve the strength of the guide post and the pressing plate which are integrated into a whole and can also reduce the manufacturing cost.

Furthermore, locking joints are sleeved at the joint of the spray pipe and the spray head and the joint of the tracheal catheter and the connecting block.

Has the advantages that: the connection of the spray pipe and the spray head and the connection of the tracheal catheter and the connecting block can be more tightly fixed through the locking joint.

Furthermore, the locking joint comprises a locking nut and a clamping sleeve, a plurality of clamping jaws are arranged on the clamping sleeve in the circumferential direction, wedge surfaces are arranged on the clamping jaws, and inclined surfaces matched with the wedge surfaces are arranged on the locking nut; bosses are arranged on the pressing plate and the connecting block, and one end of the cutting sleeve, which is far away from the wedge surface, can be abutted against the bosses;

the locking nut for connecting the spray pipe and the spray head is in threaded connection with the boss of the pressure plate, and the clamping jaw on the locking joint for connecting the spray pipe and the spray head is enclosed on the spray pipe; the locking nut for connecting the tracheal catheter and the connecting block is in threaded connection with the boss of the connecting block, and the clamping jaw on the locking joint for connecting the tracheal catheter and the connecting block is enclosed on the tracheal catheter.

Has the advantages that: through twisting lock nut soon for inclined plane on the lock nut promotes the jack catch and removes to the center of spray tube or endotracheal tube, and then supports the spray tube tightly on the shower nozzle, supports endotracheal tube tightly on the connecting block, guarantees can not make the spray tube drop because medicament pressure is too big when aerosol canister blowout medicament, also makes the leakproofness of the junction of spray tube and shower nozzle, connecting block and endotracheal tube better simultaneously.

Furthermore, an elastic ring is fixedly connected to the locking nut connected to the pressing plate, and the spray pipe is located in the elastic ring.

Has the advantages that: through the elastic ring, the support to the spray tube is formed, so that the spray tube and the spray head are connected, the spray tube and the tracheal catheter are connected, the spray tube is prevented from being bent, and the medicament is guaranteed to enter the tracheal catheter quickly.

Drawings

FIG. 1 is a schematic diagram of a prior art inhalation aerosol configuration;

fig. 2 is a front cross-sectional view of a first embodiment of the present invention;

fig. 3 is a front sectional view of a second embodiment of the present invention;

fig. 4 is a bottom view of the ferrule in the second embodiment of the present invention;

fig. 5 is a front sectional view of a third embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises an aerosol can 1, a pressure plate 2, a spray pipe 3, a spray head 4, a pressing head 5, a guide post 6, a movable plug 7, a connecting block 8, a communicating hole 9, a tracheal catheter 10, a locking joint 11, a locking nut 12, a clamping sleeve 13, a clamping jaw 14, a wedge surface 15, a boss 16 and an elastic ring 17.

Example one

An embodiment substantially as shown in figure 2:

atomizer in endotracheal tube, including aerosol canister 1, clamp plate 2 and spray tube 3, aerosol canister 1 is the aerosol canister 1 that is equipped with the salbutamol medicament in market (aerosol canister 1 has shower nozzle 4 and press head 5, aerosol canister 1's 5 vertical sliding connection of press head on aerosol canister 1's the body, shower nozzle 4 and 5 fixed connection of press head), and spray tube 3 and clamp plate 2 are the plastic material and make.

A through hole for the nozzle 4 to pass through is integrally formed on the pressing plate 2, the nozzle 4 of the aerosol can 1 extends out of the through hole, and the upper surface of the pressing plate 2 is abutted against the lower surface of the pressing head 5 of the aerosol can 1; the integrated into one piece has guide post 6 on clamp plate 2, and guide post 6 covers in 1 periphery of aerosol canister, and 1 vertical sliding connection of aerosol canister is on guide post 6. The vertical sliding connection has movable stopper 7 in the guide post 6, and movable stopper 7 offsets with the body top of aerosol canister 1.

The upper end of spray tube 3 is the hose, and the upper end of spray tube 3 cup joints on shower nozzle 4 through interference fit, and the lower extreme integrated into one piece of spray tube 3 has connecting block 8, sets up the intercommunicating pore 9 that feeds through spray tube 3 and endotracheal tube 10 on connecting block 8, and endotracheal tube 10 cup joints on connecting block 8 through interference fit (endotracheal tube 10 is for just inserting the hose in the patient originally).

The communicating hole 9 is conical, the cross section area of the communicating hole 9 is the largest and faces to the spray pipe 3, and the cross section area of the communicating hole is the smallest and faces to the tracheal catheter 10.

The specific implementation process is as follows:

adopt this embodiment for a moment, medical personnel get aerosol canister 1 to shake even back-off with the medicament in aerosol canister 1 on clamp plate 2, overlap spray tube 3 on shower nozzle 4 through interference fit after that, then overlap endotracheal tube 10 on connecting block 8 on spray tube 3 also through interference fit, place movable stopper 7 at aerosol canister 1 top after that, reach as shown in fig. 2 state.

When medical personnel carry out the medicament to intubate patient and inhale, hold clamp plate 2 and activity stopper 7, apply the extrusion force for aerosol canister 1, make aerosol canister 1's the relative press head 5 downstream of the body, 4 blowout medicaments of shower nozzle, the medicament gets into spray tube 3, and in 9 departments of the intercommunicating pore from connecting block 8 entered into endotracheal tube 10, final medicament passes through endotracheal tube 10 and enters into intubate patient's bronchus, the completion is to the inhaling of intubate patient's medicament.

In the first embodiment, medical staff do not need to spray the medicament according to the breathing condition of a patient, the medicament can be sent into the patient by directly pressing the aerosol can 1, the medicament can quickly reach the trachea of the patient, and the medicament is not lost; in addition, the operation difficulty of medical staff for sucking the medicament for the intubator patient is reduced, and the popularization is easy. In the first embodiment, the pressure plate 2 and the movable plug 7 are arranged, so that on one hand, the aerosol can 1 is conveniently extruded manually through the pressure plate 2 and the movable plug 7; on the other hand, the aerosol can 1 is placed inside the pressure plate 2 and the movable stopper 7, and the aerosol can 1 is protected.

In addition, the embodiment can realize the drug inhalation of intubate patient under the cooperation with the pressing plate 2, the spray pipe 3 and the endotracheal tube 10 without changing the existing aerosol can 1 and the endotracheal tube 10, so that the cost is low, and the popularization and the application are convenient.

Example two

The second embodiment is basically as shown in fig. 3 and fig. 4, and the second embodiment is improved on the basis of the first embodiment, and specifically as follows: the locking joint 11 is sleeved at the joint of the spray pipe 3 and the spray head 4 and the joint of the tracheal catheter 10 and the connecting block 8.

The locking joint 11 comprises a locking nut 12 and a clamping sleeve 13, eight clamping jaws 14 are integrally formed on the clamping sleeve 13 in the circumferential direction, wedge surfaces 15 are integrally formed on the clamping jaws 14, and inclined surfaces matched with the wedge surfaces 15 are integrally formed on the locking nut 12; the clamp plate 2 is integrally formed with a boss 16, the connecting block 8 is also integrally formed with a boss 16, and the top surface of the cutting sleeve 13 can abut against the boss 16.

A locking nut 12 for connecting the spray pipe 3 and the spray head 4 is in threaded connection with a boss 16 of the pressure plate 2, and a claw 14 on a locking joint 11 for connecting the spray pipe 3 and the spray head 4 is enclosed on the spray pipe 3; the locking nut 12 for connecting the tracheal catheter 10 and the connecting block 8 is in threaded connection with the boss 16 of the connecting block 8, and the clamping jaws 14 on the locking joint 11 for connecting the tracheal catheter 10 and the connecting block 8 are enclosed on the tracheal catheter 10.

The specific implementation process is as follows:

because of the aerial fog that spouts from aerosol canister 1 has certain pressure, only rely on the interference fit of shower nozzle 4 and spray tube 3, the interference fit of connecting block 8 and endotracheal tube 10, its connected mode is not firm enough, makes the junction of spray tube 3 and shower nozzle 4, endotracheal tube 10 appear sealed not tight even the problem of connection disconnection easily under the pressure of medicament, and this embodiment two just can solve this problem.

Because the two locking joints 11 have the same structure, in the second embodiment, the locking joint 11 at the connection position of the spray pipe 3 and the spray head 4 is taken as an example: when the spray nozzle 4 is connected with the top end of the spray pipe 3, the clamping sleeve 13 and the locking nut 12 are sleeved on the spray pipe 3, then the spray pipe 3 is sleeved on the spray nozzle 4 in an interference fit mode according to the first embodiment, then the upper surface of the clamping sleeve 13 abuts against the boss 16 of the pressing plate 2, and then the locking nut 12 is screwed to enable the locking nut 12 to move upwards, the inclined surface of the locking nut 12 pushes the wedge surface 15 of the clamping jaw 14 to move towards the center of the spray pipe 3, and then the spray pipe 3 abuts against the spray nozzle 4 through the clamping jaw 14 which is enclosed in the circumferential direction of the spray pipe 3, so that the connection between the spray pipe 3 and the spray nozzle 4 is strengthened on the basis of the first embodiment. Similarly, the connection between the connector block 8 and the endotracheal tube 10 is also enhanced.

The second embodiment ensures that the spray pipe 3 does not fall off when the aerosol can 1 sprays the medicament, and meanwhile, the connection between the spray pipe 3 and the spray head 4 and the connection between the connecting block 8 and the tracheal catheter 10 are better in sealing performance.

EXAMPLE III

The third embodiment is basically as shown in the attached figure 5: the third embodiment is improved on the basis of the second embodiment, and specifically comprises the following steps: an elastic ring 17 is integrally formed on the lock nut 12 connected to the pressure plate 2 (the elastic ring 17 is similar in structure to a spring), and the nozzle 3 is located in the elastic ring 17.

When the third embodiment is adopted, the support for the spray pipe 3 is formed through the elastic ring 17, so that the connection between the spray pipe 3 and the spray head 4 and the connection between the spray pipe 3 and the tracheal catheter 10 can be in a relatively flat state, the problem caused by the fact that the flow speed of the medicament in the spray pipe 3 is blocked due to bending of the spray pipe 3 is avoided (the problem caused by bending of the spray pipe 3 is firstly that the medicament cannot rapidly reach the tracheal catheter 10 from the spray pipe 3, and secondly that the pressure in the spray pipe 3 is increased due to the fact that the medicament with the pressure in the spray pipe 3 cannot rapidly reach the tracheal catheter 10, the problem that the connection between the spray pipe 3 and the spray head 4 and the tracheal catheter 10 is not facilitated is solved), and the medicament is ensured to rapidly enter the tracheal catheter.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. Atomizer in endotracheal tube, including aerosol canister, its characterized in that: the aerosol spray device is characterized by also comprising a spray pipe and a pressing plate, wherein one end of the spray pipe is fixedly connected to a spray head of the aerosol can, the other end of the spray pipe is fixedly connected with a tracheal catheter, a through hole is formed in the pressing plate, the spray head of the aerosol can extends out of the through hole, and the pressing plate abuts against a pressing head of the aerosol can; the connecting block is fixedly connected with one end of the spray pipe connected with the tracheal catheter, and a communicating hole for communicating the spray pipe and the tracheal catheter is arranged on the connecting block.

2. The endotracheal tube nebulizer of claim 1, wherein: the hose is arranged at one end of the spray pipe connected with the spray head, and the spray head is sleeved on the spray head in an interference fit manner.

3. The endotracheal tube nebulizer of claim 2, wherein: the tracheal catheter is sleeved on the connecting block in an interference fit manner.

4. The endotracheal tube nebulizer of claim 3, wherein: the communicating hole is conical, the cross section area of the communicating hole is the largest and faces to the spray pipe, and the cross section area of the communicating hole is the smallest and faces to the tracheal catheter.

5. The endotracheal tube nebulizer of claim 4, wherein: fixedly connected with guide post on the clamp plate, the guide post encloses and closes in the aerosol can periphery, and aerosol can sliding connection is on the guide post.

6. The endotracheal tube nebulizer of claim 5, wherein: the guide post is internally and slidably connected with a movable plug, the movable plug is abutted to the aerosol can, and the sliding direction of the movable plug is the same as that of the aerosol can.

7. The endotracheal tube nebulizer of claim 6, wherein: the guide post and the pressure plate are integrally formed.

8. The endotracheal tube nebulizer of any one of claims 1 to 7, wherein: and locking joints are sleeved at the joint of the spray pipe and the spray head and the joint of the tracheal catheter and the connecting block.

9. The endotracheal tube nebulizer of claim 8, wherein: the locking joint comprises a locking nut and a clamping sleeve, a plurality of clamping jaws are arranged on the clamping sleeve in the circumferential direction, wedge surfaces are arranged on the clamping jaws, and inclined surfaces matched with the wedge surfaces are arranged on the locking nut; bosses are arranged on the pressing plate and the connecting block, and one end of the cutting sleeve, which is far away from the wedge surface, can be abutted against the bosses;

10. The endotracheal tube nebulizer of claim 9, wherein: the locking nut connected to the pressing plate is fixedly connected with an elastic ring, and the spray pipe is located in the elastic ring.