CN116077770A - A respiratory precise atomization drug delivery device - Google Patents

Abstract

The invention relates to the technical field of nebulizers, and discloses a precise atomized drug delivery device for the respiratory tract, which includes a casing, an oxygen delivery component, a mixing jet tube, a medicine tube, an atomization component and an oxygen mask. The inside of the tube is connected to the bottom end of the mixing jet tube through a pipeline, and the length direction of the medicine tube is perpendicular to the length direction of the mixing jet tube. The end away from the oxygen delivery component is connected with the atomization component. The invention can precisely control the amount of medicine, premix oxygen and medicine in the mixing jet tube, the design of the mixing jet tube adopts the Venturi principle, better squeeze and mix the mixed medicine, independent control of the medicine input end, and the dosage of the medicine Both the atomization rate and the atomization speed of the drug can be controlled, which ensures that the atomized drug can be applied to the physical state of different patients, and improves the absorption effect of the atomized drug by the patient.

Description

A respiratory precise atomization drug delivery device

technical field

The invention relates to the field of nebulizers, more specifically, it relates to a respiratory precise nebulization drug delivery device.

Background technique

Nebulization therapy is generally a treatment for lung diseases. By decomposing the drug into particles, administering the drug through airway inhalation, and directly acting on the airway wall mucosa and alveoli in the respiratory system, it can reduce the systemic side effects of the drug, thereby achieving the therapeutic effect. The commonly used drug is inhalation Sex hormones, bronchodilators, and expectorants.

In aerosolized medication, the amount of drug administered is often controlled by the oxygen input rate, and the amount of drug administered cannot be controlled independently. It is not easy to control. Many patients with nebulized drugs have different degrees of illness. If the amount of drug administered and the speed of drug nebulization cannot be precisely controlled, the effect of nebulized drug administration may be affected.

Contents of the invention

The invention provides a precise atomization drug delivery device for the respiratory tract, which solves the technical problem in the related art that it is difficult to independently control the dosage of the drug and the atomization speed of the drug.

Provided is a precise atomized drug delivery device for the respiratory tract, including a casing, an oxygen delivery component, a mixing jet tube, a medicine tube, an atomization component and an oxygen mask, the medicine tube is arranged in the housing, and the inside of the medicine tube is connected to the mixing jet through a pipeline The bottom end of the tube, and the length direction of the medicine tube is perpendicular to the length direction of the mixing jet tube. Connected, the oxygen mask is connected to the end of the atomization component through the pipeline;

The mixing jet tube includes an entry section, a mixing section and a jet section, the mixing section is located between the entry section and the jet section, and the inner diameter of the mixing section is smaller than the inner diameter of the entry section and the jet section;

The atomization assembly includes an atomizer, which is vertically installed on the housing, and the length direction of the atomizer is consistent with the length direction of the mixing jet tube, the end of the atomizer is covered on the outer wall of the jet section, and the atomizer An overflow groove is provided between the outer edge of the end of the carburizer and the inner edge of the end of the jet section;

The drug tube is provided with the drug to be atomized, and the bottom end of the mixing jet tube is extended with a lower suction pipe, and the end of the lower suction tube is close to the bottom wall of the drug tube;

The end of the oxygen delivery assembly is connected to the oxygen input end, and the oxygen delivery assembly is used for inputting oxygen into the medicine tube and the mixing jet tube.

Further: the atomization assembly also includes a tank and a connecting hose, and the connecting hose is located at the top of the tank.

Further: the bottom of the tank body is equipped with a sewage discharge assembly, and the sewage discharge assembly is used to collect impurities deposited from the bottom of the atomizer.

Further: the inner wall of the tank body is provided with a guide platform, the vertical section of the guide platform is a right triangle, and the bottom end of the guide platform is close to one side of the sewage discharge assembly.

Further: the atomizer includes an adjustment rod, a guide cover and an extrusion tip, the extrusion tip is located at the rod end of the adjustment rod, and the other end of the adjustment rod is connected to the inner wall of the housing through threads, and the guide cover is located between the extrusion tip and the adjustment rod connection.

Further: the guide cover has a bowl-shaped structure, and the inner side of the guide cover is provided with circularly distributed flow guide grooves.

Further: the oxygen delivery assembly includes a pipe joint and a three-way pipe, the three-way pipe is connected between the pipe joint and the mixing jet pipe, and the bottom end of the three-way pipe is connected with the drug pipe through the pipe.

Further: a control air valve is installed on the connecting pipe between the three-way pipe and the medicine pipe, and the control air valve is used to control the amount of oxygen input into the medicine pipe.

Further: the inner wall of the bottom end of the casing is provided with a heating element, the heating element has a cylindrical structure, and the heating element is sleeved on the outer wall of the drug tube.

Further: a control panel is provided on the outside of the casing, and the control panel is electrically connected to the heating element and the control air valve through wires.

The beneficial effects of the present invention are:

The atomized drug delivery device can precisely control the amount of medicine. The medicine input port is used in conjunction with the independent oxygen input port. At the same time, the oxygen and medicine are pre-mixed in the mixing jet tube. The drug is divided into large and small droplets, and then squeezed and mixed. The drug input terminal is independently controlled, and the drug dosage and drug atomization speed can be controlled, which ensures that the atomized drug can be applied to different patients' physical conditions, and improves the patient's health. The effect of nebulized medicine being absorbed by the patient.

Description of drawings

Fig. 1 is a structural schematic diagram of a respiratory precise atomization drug delivery device proposed by the present invention;

Fig. 2 is a front view vertical cross-sectional schematic view of a respiratory precise atomization drug delivery device proposed by the present invention;

Fig. 3 is a schematic diagram of the connection structure of the oxygen delivery component and the atomization component of a respiratory precise atomization drug delivery device proposed by the present invention;

Fig. 4 is a structural schematic diagram of a mixing jet tube of a respiratory precise atomization drug delivery device proposed by the present invention;

Fig. 5 is a schematic structural diagram of an atomizer of an airway precise atomization drug delivery device proposed by the present invention;

Fig. 6 is a flow chart of the nebulization work of a respiratory precision nebulization drug delivery device proposed by the present invention.

In the figure: 100, shell; 110, side cover plate; 200, control panel; 300, oxygen delivery component; 310, pipe joint; 320, mixing jet tube; 321, entry section; 322, mixing section; 323, jet section; 324, lower suction pipe; 330, control air valve; 400, atomization assembly; 410, tank body; 420, connecting hose; 430, atomizer; 431, adjustment rod; 432, guide cover; 433, extrusion tip; 500, storage drawer; 600, oxygen mask; 700, medicine assembly; 710, medicine tube; 800, heating element; 900, sewage discharge assembly; 910, sewage storage pipe.

Detailed ways

The subject matter described herein will now be discussed with reference to example implementations. It should be understood that these embodiments are discussed only to enable those skilled in the art to better understand and implement the subject matter described herein, and the functions and arrangements of the discussed elements can be modified without departing from the protection scope of the content of this specification. Change. Various examples may omit, substitute, or add various procedures or components as needed. Additionally, features described with respect to some examples may also be combined in other examples.

Referring to Fig. 1-Fig. 6, a precise atomized drug delivery device for the respiratory tract includes a housing 100, an oxygen delivery assembly 300, a mixing jet tube 320, a drug assembly 700, an atomization assembly 400 and an oxygen mask 600, and the drug assembly 700 includes The drug tube 710 and the pipeline connected thereto, the drug tube 710 is arranged in the housing 100, the inside of the drug tube 710 is connected to the bottom end of the mixing jet tube 320 through a pipeline, and the length direction of the drug tube 710 and the mixing jet tube 320 The length direction is perpendicular, the input end of the oxygen delivery assembly 300 is connected with the mixing jet tube 320 and the drug assembly 700, and the end of the mixing jet tube 320 away from the oxygen delivery assembly 300 is connected with the atomization assembly 400, and the oxygen mask 600 is connected to the mist through the pipeline. The ends of the chemical assembly 400 are connected;

Wherein the mixing jet tube 320 comprises an entry section 321, a mixing section 322 and a jet section 323, the mixing section 322 is located between the entry section 321 and the jet section 323, and the inner diameter of the mixing section 322 is less than the inner diameter of the entry section 321 and the jet section 323;

The inner diameter of the entry section 321 is also smaller than that of the jet section 323. The entry section 321, the mixing section 322 and the jet section 323 form a trumpet-shaped structure, and the stroke of the entry section 321 is smaller than the stroke of the jet section 323. When the medicine is output from the medicine tube 710, Driven by the oxygen flow, the medicine is mixed in the mixing section 322 and carried to the side of the atomization assembly 400 by the oxygen flow. The mixed suspension of small particles of oxygen and medicine enters the jet section 323 and is extruded in a spiral shape. At this time The mixed suspension of large particles of oxygen and medicine hits the extrusion tip 433 from the middle of the jet section 323, and the mixed suspension is impacted by the extrusion tip 433 into atomized particles, and then guided to the edge by the inner wall of the guide cover 432 to flow out;

The atomization assembly 400 includes an atomizer 430, which is installed vertically on the housing 100, and the length direction of the atomizer 430 is consistent with the length direction of the mixing jet tube 320, and the end of the atomizer 430 is covered by the jet On the outer wall of the section 323, and an overflow groove is provided between the outer edge of the end of the atomizer 430 and the inner edge of the end of the jet section 323, the atomization assembly 400 also includes a tank body 410 and a connecting hose 420, and the connecting hose 420 is located at At the top of the tank body 410, the atomized medicine is passed into the oxygen mask 600 through the end of the connecting hose 420, and the oxygen mask 600 is worn on the mouth and nose of the user.

It should be added that the atomizer 430 includes an adjustment rod 431, a guide cover 432 and an extruding tip 433. The extruding tip 433 is located at the end of the adjustment rod 431, and the other end of the adjustment rod 431 is connected to the inner wall of the housing 100 through threads. Connected, the guide cover 432 is located at the junction of the extruding tip 433 and the adjustment rod 431, the guide cover 432 has a bowl-shaped structure, and the inner side of the guide cover 432 is provided with annularly distributed flow guide grooves.

The drug tube 710 is provided with a drug to be atomized, and the bottom end of the mixing jet tube 320 is extended with a lower suction tube 324, and the end of the lower suction tube 324 is close to the side of the bottom wall of the drug tube 710;

The end of the oxygen delivery assembly 300 is connected to the oxygen input end, and the oxygen delivery assembly 300 is used to input oxygen into the medicine tube 710 and the mixing jet tube 320 .

The bottom of the tank body 410 is equipped with a sewage discharge assembly 900, and the sewage discharge assembly 900 is used to collect the impurities deposited at the bottom of the atomizer 430. The inner wall of the tank body 410 is provided with a guide platform, and the vertical section of the guide platform is at right angles. Triangular, and the bottom end of the guide platform is close to one side of the sewage discharge assembly 900 .

The oxygen delivery assembly 300 includes a pipeline joint 310 and a three-way pipe, the three-way pipe is connected between the pipeline joint 310 and the mixing jet pipe 320, and the bottom end of the three-way pipe is connected with the drug tube 710 through the pipeline, and the three-way tube and the drug tube A control valve 330 is installed on the connection pipeline of 710, and the control valve 330 is used to control the amount of oxygen input in the drug tube 710, wherein the pipeline joint 310 can be connected to the interface of equipment such as an oxygen cylinder or an oxygen generator, and the oxygen input through the pipeline joint 310 The flow rate of oxygen is more than five liters per minute. The flow rate of oxygen input into the mixing jet tube 320 and the drug tube 710 is fixed when the control valve 330 is fully open, and the flow ratio is 4:1. The control valve 330 can be adjusted How much is the flow rate of oxygen entering the medicine tube 710, and then control the amount of medicine output in the medicine tube 710;

The inner wall of the bottom end of the housing 100 is provided with a heating element 800. The heating element 800 has a cylindrical structure. The heating element 800 is sleeved on the outer wall of the drug tube 710. The heating element 800 includes but is not limited to a cylinder with a heating wire inside. The heating element 800 is used to heat the medicine in the medicine tube 710 to a suitable inhalation temperature for the human body, so as to improve the inhalation comfort of the nebulized medicine;

A control panel 200 is provided on the outside of the housing 100 , and the control panel 200 is electrically connected to the heating element 800 and the control air valve 330 through wires.

It should be added that a storage drawer 500 is provided at the end of the housing 100 close to the pipe joint 310, the storage drawer 500 can be used to place the sewage pipe 910 and the drug tube 710, wherein the end of the drug tube 710 is provided with a threaded end, through Screw in the input end of the lower suction pipe 324, and immerse the end of the lower suction pipe 324 below the liquid level of the medicine tube 710;

It should also be added that a side cover 110 is provided on the side wall of the housing 100, the side cover 110 is connected to the housing 100 by a hinge, and the connection between the side cover 110 and the housing 100 is fixed by magnetic attraction. , the side cover 110 is opened to facilitate the replacement of the drug tube 710 and the sewage tube 910 .

The atomized drug delivery device can precisely control the amount of medicine, and both the dose of the drug and the atomization speed of the drug can be controlled, which ensures that the atomized drug can be applied to the physical conditions of different patients, and improves the efficiency of the atomized drug by the patient. The specific operation process of the drug delivery device is as follows:

When in use, one end of the pipeline connector 310 is connected to the oxygen delivery port, and the oxygen delivery port is provided with a barometer, oxygen is input from one end of the pipeline connector 310, and the control air valve 330 is used to control the oxygen flow rate input into the drug tube 710, wherein the drug tube 710 is optional Disassembled, or the drug tube 710 is made into a one-time replacement, and the end of the drug tube 710 is covered by plastic-sealed aluminum foil, and the plastic-sealed aluminum foil can be removed during use to realize the input of the drug in the drug tube 710;

Connect the oxygen mask 600 and the connecting tube at the pipe end of the connecting hose 420, introduce the oxygen in the tank body 410 into the oxygen mask 600, and wear the oxygen mask 600 to the mouth and nose of the patient;

When oxygen is input, oxygen is input through the pipeline joint 310. At this time, it is input into the medicine tube 710 from the bottom pipeline, and the medicine tube 710 presses the medicine in the medicine tube 710 into the pipeline of the mixing jet tube 320, and the oxygen enters into the mixing jet tube 320 Inside, when entering the entry section 321, when encountering the pressed medicine, the medicine is continuously mixed in the mixing section 322 driven by the oxygen flow, forming a mixed suspension of oxygen and medicine, and then enters the jet section 323, due to the Venturi phenomenon , after entering the jet section 323, the mixed suspension of small particles of oxygen and medicine enters the jet section 323 and is extruded spirally along the inner wall of the jet section 323, at this time, the mixed suspension of large particles of oxygen and medicine is formed by The jet section 323 shoots out and hits the atomizer 430 in the middle. The extrusion tip 433 on the atomizer 430 is facing the mixed suspension of large particles of oxygen and medicine, and the mixed suspension is impacted by the extrusion tip 433 into a mist. The particles are then guided by the guide groove on the inner side wall of the guide cover 432 to flow out at the edge, and mixed with the mixed suspension of oxygen and medicine of small particles and discharged from the gap between the guide cover 432 and the inner side wall of the housing 100;

Among them, the large particles in the medicine or the impurities imported in the oxygen are guided by the guide cover 432 to be discharged at the lower edge due to the weight, enter the guide table and flow into the sewage discharge assembly 900, and are collected by the sewage storage pipe 910 of the sewage discharge assembly 900. Disassemble the sewage pipe 910 and process it;

When the medicine is input, the medicine in the medicine tube 710 can also be preheated by the heating element 800 to a temperature suitable for inhalation by the human body;

During the inhalation process, the control panel 200 can be used to adjust parameters such as the input amount and the interval between drug inputs, which facilitates the precise control of medication, increases the amount and frequency of nebulized drug delivery to the affected part of the respiratory tract, and cooperates with the course of treatment to achieve better therapeutic effects.

The embodiment of this embodiment has been described above, but this embodiment is not limited to the above-mentioned specific implementation, the above-mentioned specific implementation is only illustrative, not restrictive, those of ordinary skill in the art Inspired by the embodiment, many forms can also be made, all of which are within the protection of the embodiment.

Claims (10)

1. The utility model provides a respiratory tract accurate atomization dosing device, including casing (100), oxygen therapy component (300), mixing jet pipe (320), pencil (710), atomizing subassembly (400) and oxygen mask (600), characterized in that, pencil (710) are located in casing (100), the inside of pencil (710) is connected to mixing jet pipe (320) bottom through the pipeline, and the length direction of pencil (710) is perpendicular with mixing jet pipe (320) length direction, the input of oxygen therapy component (300) and mixing jet pipe (320) and pencil (710) homogeneous phase intercommunication, and mixing jet pipe (320) are kept away from the one end of oxygen therapy component (300) and are connected with atomizing component (400), oxygen mask (600) are connected with atomizing component (400) tip through the pipeline;

the mixing jet pipe (320) comprises an inlet section (321), a mixing section (322) and a jet section (323), the mixing section (322) is positioned between the inlet section (321) and the jet section (323), and the inner diameter of the mixing section (322) is smaller than the inner diameters of the inlet section (321) and the jet section (323);

the atomizing assembly (400) comprises an atomizer (430), wherein the atomizer (430) is vertically arranged on the shell (100), the length direction of the atomizer (430) is consistent with the length direction of the mixed jet pipe (320), the end part of the atomizer (430) is covered on the outer wall of the jet section (323), and an overflow groove is formed between the outer edge of the end part of the atomizer (430) and the inner edge of the end part of the jet section (323);

the medicine tube (710) is internally provided with medicine to be atomized, the bottom end of the mixed jet tube (320) is extended with a lower suction tube (324), and the tube end of the lower suction tube (324) is close to one side of the tube bottom wall of the medicine tube (710);

the end of the oxygen delivery assembly (300) is connected with an oxygen input end, and the oxygen delivery assembly (300) is used for inputting oxygen into the medicine tube (710) and the mixed jet tube (320).

2. The respiratory tract precisely nebulized delivery apparatus according to claim 1, wherein the nebulizing assembly (400) further comprises a canister (410) and a connecting hose (420), the connecting hose (420) being located at the top end of the canister (410).

3. A respiratory tract precision atomizing administration device according to claim 2, wherein the bottom end of the canister (410) is provided with a drain assembly (900), and the drain assembly (900) is configured to collect impurities deposited from the bottom end of the atomizer (430).

4. A respiratory tract accurate atomization drug delivery apparatus according to claim 3, wherein the inner side wall of the tank body (410) is provided with a guide table, the vertical section of the guide table is right triangle, and the bottom end of the guide table is close to one side of the pollution discharge assembly (900).

5. The respiratory tract accurate atomization drug delivery device according to claim 1, wherein the atomizer (430) comprises an adjusting rod (431), a guide cover (432) and a squeezing tip (433), the squeezing tip (433) is positioned at the rod end of the adjusting rod (431), the other end of the adjusting rod (431) is connected with the inner wall of the shell (100) through threads, and the guide cover (432) is positioned at the joint of the squeezing tip (433) and the adjusting rod (431).

6. The respiratory tract accurate atomization drug delivery device according to claim 5, wherein the guide cover (432) is in a bowl-shaped structure, and the inner side of the guide cover (432) is provided with guide grooves distributed in a ring shape.

7. The respiratory tract precision atomization drug delivery device according to claim 1, wherein the oxygen therapy assembly (300) comprises a pipeline joint (310) and a three-way pipe, the three-way pipe is connected between the pipeline joint (310) and the mixing jet pipe (320), and the bottom end of the three-way pipe is connected with the drug pipe (710) through a pipeline.

8. The respiratory tract accurate atomization drug delivery apparatus according to claim 7, wherein a control valve (330) is installed on a connecting pipeline of the tee pipe and the drug pipe (710), and the control valve (330) is used for controlling the amount of oxygen in the drug pipe (710).

9. The respiratory tract accurate atomization drug delivery device according to claim 1, wherein the inner wall of the bottom end of the shell (100) is provided with a heating element (800), the heating element (800) is in a cylindrical structure, and the heating element (800) is sleeved on the outer wall of the drug tube (710).

10. The respiratory tract accurate atomization drug delivery device according to claim 9, wherein a control panel (200) is arranged on the outer side of the shell (100), and the control panel (200) is electrically connected with the heating element (800) and the control air valve (330) through leads.

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