CN210494814U

CN210494814U - Humidifying device

Info

Publication number: CN210494814U
Application number: CN201920683565.2U
Authority: CN
Inventors: 温作珍
Original assignee: Sun Yat Sen Memorial Hospital Sun Yat Sen University
Current assignee: Sun Yat Sen Memorial Hospital Sun Yat Sen University
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2020-05-12
Anticipated expiration: 2029-05-13

Abstract

The utility model relates to the technical field of medical equipment, and discloses a humidifier, which comprises an injector and a nozzle, wherein a piston is driven to slide along the inner wall of a shell by pushing a push rod so as to convey liquid medicine stored in the injector shell to the nozzle, the nozzle is provided with an atomizer, a first liquid outlet is arranged on the atomizer, the liquid medicine in the shell is conveyed to a spiral diversion trench through a second liquid outlet, the pressure of the liquid medicine in the spiral diversion trench is gradually increased due to the gradual reduction of the diversion cross section of the spiral diversion trench, the liquid medicine with certain pressure can be atomized into spray of tiny particles under the action of the atomizer, the liquid medicine in a spray shape enters a respiratory tract and a lung for deposition in a respiratory inhalation mode, the purpose of rapid and effective treatment can be achieved, in addition, the liquid medicine is inhaled by a patient in a tiny spray mode, and has less stimulation to the trachea of the patient, can improve the comfort level and the medical matching degree of the patient.

Description

Humidifying device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a humidifier.

Background

Along with the gradual rise of oral cancer incidence in recent years, tracheotomy uses more and more extensively, and the postoperative stays tracheal cannula also more and more, in order to keep the artificial airway moist better, reduces secretion formation sputum scab, reduces respiratory obstruction's risk, needs carry out the air flue humidification to the patient.

The method of direct instillation in trachea of 10ml syringe and 0.45NS is commonly used in clinic, but the reaction of a patient is large after instillation, and the patient is easy to generate irritant cough and expectoration, so that the patient has the complications of reduced comfort, laboursome breathing, profuse sweat dripping, reduced blood oxygen saturation, bleeding caused by severe cough and expectoration, and the like. Moreover, most of the humidification fluid is coughed out through cough, and a small part of the humidification fluid reaches the trachea, the bronchus, the alveolus and the like through ciliary movement, so that the humidification efficiency is low, and the medical matching degree is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a humidifier, make the medicine of syringe reach the effect of local humidifying medicine use after the atomizing, humidifying efficiency is higher, and the degree of adaptability of seeking medical advice is higher.

In order to solve the problems, the utility model provides a humidifier, which comprises an injector and a nozzle, wherein the injector comprises a shell, a push rod and a piston, the piston is positioned in the shell and is in sliding fit with the inner wall of the shell, one end of the push rod is connected with the piston, and the other end of the push rod extends to the rear end of the shell;

the nozzle is conical and comprises a large end and a small end, the large end is detachably connected to the front end of the shell and communicated with the interior of the shell, the small end is provided with an atomizer, and the atomizer is provided with a first liquid outlet;

the utility model discloses a nozzle, including casing, atomizer, spiral guiding gutter, casing front end, second liquid outlet, the spiral guiding gutter sets up inside the nozzle, follows nozzle main aspects to tip direction, the water conservancy diversion cross-sectional dimension of spiral guiding gutter reduces gradually, the second liquid outlet through spiral guiding gutter with the inlet intercommunication of atomizer, spiral guiding gutter sets up inside the nozzle.

Further preferably, the casing front end is equipped with first spliced pole, the nozzle main aspects is equipped with but the upper shield is in second spliced pole on the first spliced pole, the second liquid outlet is located on the first spliced pole, be equipped with the external screw thread on the first spliced pole, be equipped with on the second spliced pole with the internal thread that the external screw thread matches.

Further preferably, a water outlet plate is arranged on the first liquid outlet in a covering manner, and a plurality of uniform and spaced water outlet holes are formed in the water outlet plate.

Further preferably, the water outlet hole is circular, and the aperture of the water outlet hole is 0.1-0.28 mm.

Further preferably, the nozzle is detachably provided with a cap.

Further preferably, the block inner wall is provided with a buckle, and the second connecting column outer peripheral wall is provided with a clamping groove matched with the buckle.

Further preferably, the syringe is cylindrical.

Further preferably, the injector and the nozzle are both made of plastic material.

The utility model provides a humidifier, which comprises a syringe and a nozzle, a piston is driven to slide along the inner wall of a shell by a push rod to convey liquid medicine stored in the syringe shell to the nozzle, the nozzle is provided with an atomizer, the atomizer is provided with a first liquid outlet, the nozzle is conical, the front end of the shell is provided with a second liquid outlet, the second liquid outlet is communicated with a liquid inlet of the atomizer through a spiral diversion trench, along the direction from the big end to the small end of the nozzle, the diversion cross-section component of the spiral diversion trench is reduced, namely, the liquid medicine in the shell is conveyed to the spiral diversion trench through the second liquid outlet, because the diversion cross-section of the spiral diversion trench is gradually reduced, the pressure of the liquid medicine in the spiral diversion trench is gradually increased, the liquid medicine with certain pressure can be atomized into spray of tiny particles under the action of the atomizer, the liquid medicine in the spray shape enters into a respiratory tract and a lung deposit in a respiratory inhalation, can achieve the purpose of rapid and effective treatment, and can improve the comfort level and the medical matching degree of the patient because the liquid medicine is micro-spray to be inhaled by the patient and has less stimulation to the trachea of the patient.

Drawings

FIG. 1 is a schematic structural view of a humidifier according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a water outlet plate in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a cap in an embodiment of the present invention.

In the figure, 1, syringe; 2. a nozzle; 3. capping; 101. a housing; 102. a push rod; 103. a piston; 104. a first connecting column; 105. a second liquid outlet; 201. an atomizer; 202. a first liquid outlet; 203. a spiral diversion trench; 204. a second connecting column; 205. a water outlet plate; 2051. a water outlet hole; 301. and (5) buckling.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

With reference to fig. 1 to 3, schematically showing a humidifier according to an embodiment of the present invention, including an injector 1 and a nozzle 2, the injector 1 includes a housing 101, a push rod 102 and a piston 103, the piston 103 is located inside the housing 101 and is in sliding fit with an inner wall of the housing 101, one end of the push rod 102 is connected to the piston 103, the other end extends to a rear end of the housing 101, a liquid medicine is stored inside the housing 101, when an air passage is required to be humidified, the push rod 102 is pushed to drive the piston 103 to slide along the inner wall of the housing 101 so as to convey the liquid medicine stored inside the housing 101 of the injector 1 to the nozzle 2, and the liquid medicine is atomized by the nozzle 2;

the nozzle 2 is conical, the conical nozzle 2 comprises a large end and a small end, the large end is detachably connected to the front end of the shell 101 and is communicated with the interior of the shell 101, so that the nozzle 2 can be detached from the shell 101 to facilitate cleaning or maintenance operation, the small end of the nozzle 2 is provided with an atomizer 201, the atomizer 201 is provided with a first liquid outlet 202, the atomizer 201 enables the liquid surface to be bulged under the pressure action of liquid, cavitation is generated around the bulged liquid surface, liquid is atomized into micromolecular aerial fog which is sprayed out through the first liquid outlet 202, fine and uniform water fog is formed to act on a trachea of a patient, stimulation of liquid medicine to the trachea of the patient can be reduced, and a series of complications caused by stimulation of the trachea of the patient can be avoided;

the second liquid outlet 105 is arranged at the front end of the shell 101, the second liquid outlet 105 is communicated with the liquid inlet of the atomizer 201 through the spiral diversion trench 203, the spiral diversion trench 203 is arranged inside the nozzle 2, the diversion cross section size of the spiral diversion trench 203 is gradually reduced along the direction from the large end to the small end of the nozzle 2, specifically, the liquid medicine inside the shell 101 is conveyed into the spiral diversion trench 203 through the second liquid outlet 105, the pressure of the liquid medicine in the spiral diversion trench 203 is gradually increased due to the gradual reduction of the diversion cross section of the spiral diversion trench 203, the liquid medicine with certain pressure can be atomized into tiny particle spray under the action of the atomizer 201, the liquid medicine in the shape of spray enters the respiratory tract and the lung for deposition in a breathing inhalation manner, the purpose of rapid and effective treatment can be achieved, and the liquid medicine is inhaled by the patient in tiny spray form, the stimulation to the trachea of the patient is small, can improve the comfort level and the medical matching degree of the patient.

Further, casing 101 front end is equipped with first spliced pole 104, but the 2 main aspects of nozzle are equipped with the second spliced pole 204 of upper shield on first spliced pole 104, second liquid outlet 105 is located first spliced pole 104, be equipped with the external screw thread on the first spliced pole 104, be equipped with the internal thread that matches with the external screw thread on the second spliced pole 204, and then guarantee dismantling of nozzle 2 and casing 101 and be connected, simultaneously, the second spliced pole 204 cover of nozzle 2 is established on the first spliced pole 104 of casing 101 front end, guarantee that the inside liquid medicine of casing 101 can fully get into spiral guiding gutter 203, improve the utilization ratio of liquid medicine, it is required to explain that nozzle 2 also can adopt other detachable modes to be connected with casing 101, connect etc. like the buckle joint, and not only be limited to one of them. It is further preferred that a check valve opened toward the nozzle 2 is disposed at the second liquid outlet 105, so as to better control the injection of the liquid medicine, generally, the check valve may be a rubber film with elasticity, a plurality of through holes are disposed on the rubber film, the push rod 102 is pushed to drive the piston 103 to slide along the inner wall of the housing 101 so as to convey the liquid medicine stored in the housing 101 of the syringe 1 to the rubber film, the rubber film bulges toward the nozzle 2 under the action of pressure, and the liquid medicine enters the spiral guide groove 203 along the through holes.

Preferably, the first liquid outlet 202 is covered with the water outlet plate 205, the water outlet plate 205 is provided with a plurality of water outlet holes 2051 which are uniformly and alternately arranged, the liquid medicine atomized by the atomizer 201 is sprayed out from each water outlet hole 2051 to form uniform atomization, the atomization amount inhaled in relative treatment time is appropriate, side effects such as expansion of mucosa on the inner wall of the trachea or blockage of the trachea can not be caused, the atomized particles are ultrafine and are not easy to collide and combine, the human body is comfortable to inhale, and can enter the trachea such as bronchus and lung, the clinical effect is excellent, and the device is suitable for treating lower respiratory tract diseases. In this embodiment, for further guaranteeing atomization effect, set up apopore 2051 and be the circular port, apopore 2051's aperture is 0.1 ~ 0.28mm, in order to guarantee humidifier 201's wholeness, sets up out the water board 205 and flushes with the terminal surface that is first delivery port, is also equipped with the depressed groove on first delivery port, and it inlays to establish at the depressed groove at the water board 205.

In this embodiment, detachably is equipped with block 3 on the nozzle 2, is convenient for use humidifier 201 after block 3 dismantles, and when not using state, nozzle 2 covers through block 3, can avoid apopore 2051 to be blockked up in transportation or storage process. Further, the inner wall of the cap 3 is provided with a buckle 301, a clamping groove (not marked in the figure) matched with the buckle 301 is formed in the outer peripheral wall of the second connecting column 204 of the nozzle 2, the cap 3 and the nozzle 2 are covered and detached through the clamping groove clamping fit on the outer peripheral wall of the buckle 301 on the cap 3 and the outer peripheral wall of the second connecting column 204 of the nozzle 2, and the novel connecting structure is simple in operation and convenient to use.

In this embodiment, the syringe 1 is a conventional cylinder, and it should be noted that the syringe 1 may be other shapes to meet different requirements. The syringe 1 and the nozzle 2 are made of plastic materials, and are generally made of transparent plastic materials with environmental protection and no toxic or side effects, so that the amount of the liquid medicine in the syringe 1 can be better observed.

To sum up, the present invention provides a humidifier 201, including an injector 1 and a nozzle 2, the piston 103 is driven by the push rod 102 to slide along the inner wall of the casing 101 to transport the liquid medicine stored in the casing 101 of the injector 1 to the nozzle 2, the nozzle 2 is provided with an atomizer 201, the atomizer 201 is provided with a first liquid outlet 202, since the nozzle 2 is conical, the front end of the casing 101 is provided with a second liquid outlet 105, the second liquid outlet 105 is communicated with the liquid inlet of the atomizer 201 through a spiral diversion trench 203, along the direction from the big end to the small end of the nozzle 2, the diversion cross section component of the spiral diversion trench 203 is reduced, that is, the liquid medicine in the casing 101 is transported to the spiral diversion trench 203 through the second liquid outlet 105, since the diversion cross section of the spiral diversion trench 203 is gradually reduced, the pressure of the liquid medicine in the spiral diversion trench 203 is gradually increased, the liquid medicine with a certain pressure is under the action of the atomizer 201, can be atomized into the spraying of tiny granule, the liquid medicine that is the spray form gets into respiratory tract and lung deposit through breathing inspiratory mode, can reach the purpose of effectively treating rapidly, moreover, because the liquid medicine is small spraying and is inhaled by the patient, and is less to the tracheal amazing of patient, can improve patient's comfort level and the degree of cooperation of seeking medical advice.

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A humidifier is characterized by comprising an injector and a nozzle, wherein the injector comprises a shell, a push rod and a piston, the piston is positioned in the shell and is in sliding fit with the inner wall of the shell, one end of the push rod is connected with the piston, and the other end of the push rod extends to the rear end of the shell;

2. The humidifier according to claim 1, wherein the front end of the housing is provided with a first connecting column, the large end of the nozzle is provided with a second connecting column which can be sleeved on the first connecting column, the second liquid outlet is positioned on the first connecting column, the first connecting column is provided with an external thread, and the second connecting column is provided with an internal thread matched with the external thread.

3. The humidifier according to claim 2, wherein the first liquid outlet is covered with a water outlet plate, and the water outlet plate is provided with a plurality of water outlet holes which are uniformly and alternately arranged.

4. The humidifier according to claim 3, wherein the water outlet is circular, and the diameter of the water outlet is 0.1-0.28 mm.

5. A humidifier according to any one of claims 2 to 4, wherein the nozzle is detachably provided with a cap.

6. The humidifier according to claim 5, wherein the inner wall of the cap is provided with a buckle, and the outer peripheral wall of the second connecting column is provided with a clamping groove matched with the buckle.

7. A humidifier according to any one of claims 1 to 4, wherein the injector is cylindrical.

8. A humidifier according to any one of claims 1 to 4, wherein the injector and the nozzle are both formed of plastics material.