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WO2018040995A1 - 一种倾斜流道式雾化器 - Google Patents

一种倾斜流道式雾化器 Download PDF

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Publication number
WO2018040995A1
WO2018040995A1 PCT/CN2017/098678 CN2017098678W WO2018040995A1 WO 2018040995 A1 WO2018040995 A1 WO 2018040995A1 CN 2017098678 W CN2017098678 W CN 2017098678W WO 2018040995 A1 WO2018040995 A1 WO 2018040995A1
Authority
WO
WIPO (PCT)
Prior art keywords
flow path
liquid storage
inclined flow
storage container
atomizer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2017/098678
Other languages
English (en)
French (fr)
Inventor
曹立
林洪涛
黄芳芳
李建霖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sunshine Lake Pharma Co Ltd
Original Assignee
Sunshine Lake Pharma Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sunshine Lake Pharma Co Ltd filed Critical Sunshine Lake Pharma Co Ltd
Priority to CN201780006932.9A priority Critical patent/CN108472459B/zh
Publication of WO2018040995A1 publication Critical patent/WO2018040995A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
    • B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
    • B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
    • B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
    • B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
    • B05B17/0607—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers
    • B05B17/0638—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers spray being produced by discharging the liquid or other fluent material through a plate comprising a plurality of orifices
    • B05B17/0646—Vibrating plates, i.e. plates being directly subjected to the vibrations, e.g. having a piezoelectric transducer attached thereto

Definitions

  • the invention relates to the technical field of medical instruments, and in particular to an inclined flow channel atomizer.
  • the medical device includes a product which is an atomizer.
  • the atomizer is mainly used for treating various upper and lower respiratory diseases, such as cold, fever, cough, asthma, sore throat, pharyngitis, rhinitis, bronchitis, pneumoconiosis, etc. Diseases occurring in the bronchi, alveoli, and thoracic cavity.
  • Nebulized inhalation therapy is an important and effective treatment method for the treatment of respiratory diseases.
  • the nebulizer is used to atomize the liquid into tiny particles. The drug enters the respiratory tract and lungs by breathing inhalation, thereby achieving painlessness. The purpose of rapid and effective treatment.
  • the liquid medicine in the liquid storage container needs to pass through the flow path to reach the atomization sheet to realize the atomization treatment, and at the same time, the atomization level of the atomization sheet has a limitation on the liquid level of the liquid medicine.
  • the atomizer will not be able to atomize, so the liquid in the flow path and below the liquid level calibration line will not be atomized and waste.
  • the flow channels of the existing atomizers on the market are all horizontally arranged, resulting in a large volume in the flow channel below the liquid level calibration line, so that the liquid medicine remaining in the flow channel cannot be atomized is more serious. Affect economics.
  • the volume of liquid medicine that cannot be atomized in the chemicalizer reduces waste.
  • An inclined flow channel atomizer comprising an atomizing sheet, a flow guiding joint and a liquid storage container, wherein the atomizing sheet is mounted at one end of the flow guiding joint, and the inclined guiding channel is opened on the guiding joint
  • the inclined flow channel is in communication with the atomizing sheet
  • the liquid storage container is mounted on a side of the inclined flow path away from the atomizing sheet
  • the inclined flow channel is adjacent to an end of the atomizing sheet
  • the one end adjacent to the liquid storage container is inclined upward.
  • the total residual amount of the liquid medicine below the liquid level calibration line for the normal operation of the atomizing sheet comprises two parts, the first part is the residual amount in the inclined flow channel, and the second part is that the flow guiding joint is away from the liquid storage container The amount of residue in the mounting groove at one end.
  • the residual amount of the first portion decreases as the inclination angle of the inclined flow channel increases. Therefore, the solution connects the atomization sheet and the liquid storage container through the flow guiding joint, and opens the inclined flow channel on the flow guiding joint, and tilts
  • the designed inclined flow channel can reduce the liquid storage space below the normal working liquid level of the atomizing piece, effectively reducing the volume of the liquid medicine remaining in the atomizer which cannot be atomized, thereby reducing waste.
  • the inclined flow path increases the bottommost position of the liquid storage container, so that as much liquid medicine as possible is above the liquid level calibration line required for the normal operation of the atomized piece, compared to
  • the structure of the inclined flow channel can greatly reduce the residual amount of the chemical liquid; on the other hand, even if the bottom of the medicine storage box of the prior art has a certain inclination angle, since the bottom area of the medicine storage box is large, it is much larger than the inflow.
  • the position of the bottom portion is high, and the liquid medicine in the liquid storage container can be effectively ensured to be sufficiently intruded into the inclined flow channel to be atomized by the atomizing sheet, and the aperture of the inclined flow channel of the present scheme is
  • the inner diameter of the liquid storage container is similar, and the chemical liquid in the liquid storage container can be further flowed into the inclined flow channel as much as possible to reduce the residual amount of the chemical liquid.
  • one end of the inclined flow channel in a tubular shape is sealingly connected to the liquid storage container, and the other end is sealingly connected to the atomization piece, and the liquid storage container and the atomization piece are connected in an inclined flow path to form
  • the closed conveying space can more effectively block the contact between the liquid and the air than the structure of the existing open storage tank, greatly reduce the surface area of the liquid exposed to the air, reduce the probability of contamination of the drug, improve safety and reliability.
  • the angle between the axial line of the inclined flow channel and the horizontal plane is 10 degrees or more and 70 degrees or less.
  • the angle between the axial line of the inclined flow channel and the horizontal plane is 15 degrees or more and 60 degrees or less.
  • the angle between the axis of the inclined flow channel and the horizontal plane is 10 degrees or 15 degrees or 20 degrees or 25 degrees or 30 degrees or 35 degrees or 40 degrees or 45 degrees or 50 degrees or 55 degrees or 60 degrees or 65 degrees or 70 degrees.
  • the shape of the port on the side of the inclined flow path adjacent to the atomizing sheet is elliptical, and in the case where the length of the long axis of the port on the side of the inclined flow path close to the atomizing sheet is fixed, As the inclination angle of the inclined flow path increases, the diameter of the inclined flow path will decrease. Due to the surface tension of the liquid, the liquid does not easily pass through a narrow space under the action of its own gravity, that is, the smaller the diameter of the inclined flow path, the more difficult the liquid medicine passes through the inclined flow path, and thus the diameter of the inclined flow path Can not be too small, so that the liquid can not pass smoothly. According to the above analysis, the inclination angle of the inclined flow channel cannot be too large, otherwise the liquid medicine cannot be smoothly passed through the inclined flow channel to cause insufficient supply of the liquid medicine.
  • a rectifier ring is further disposed at an end of the flow guiding joint away from the liquid storage container, and the rectifying ring and the inclined flow channel clamp the atomizing sheet .
  • an end of the flow guiding joint away from the liquid storage container is provided with a mounting groove, the axial line of the mounting groove is parallel to a horizontal plane, and the atomizing sheet is mounted on the mounting. Inside the groove.
  • the mounting groove is opened at an end of the flow guiding joint away from the liquid storage container.
  • the mounting groove is opened at an end of the rectifying ring adjacent to the liquid storage container.
  • the inclined flow path atomizer further includes a first sealing element and a second sealing element, the first sealing element being disposed in an end of the mounting groove away from the liquid storage container, the second a sealing member disposed in an end of the mounting recess adjacent to the liquid storage container, the atomizing sheet being disposed between the first sealing member and the second sealing member, the rectifying ring and the tilting
  • the flow passage holds the atomizing sheet by the first sealing member and the second sealing member.
  • the rectifying ring and the flow guiding joint apply a certain pre-tightening force to the first sealing element and the second sealing element, so that the first sealing element and the second sealing element have a certain axial compression amount Therefore, the clamping of the atomized sheet is more stable and reliable, and does not affect the normal vibration of the atomized sheet.
  • an intersection of the axial line of the mounting groove and the axial line of the inclined flow channel is located on an end surface of the mounting groove adjacent to the side of the liquid storage container.
  • an intersection of the axial line of the mounting groove and the axial line of the inclined flow channel is located on a side of the mounting groove adjacent to the end surface of the liquid storage container away from the liquid storage container .
  • the diameter of the mounting groove is larger than the diameter of the inclined flow channel.
  • the area of the effective working area of the atomizing sheet is greater than or equal to the area of the port of the inclined flow path near the side of the atomizing sheet.
  • the shape of the port on the side of the inclined flow path near the atomizing sheet is elliptical, and the diameter of the effective working area of the atomizing sheet is greater than or equal to the side of the inclined flow path near the side of the atomizing sheet.
  • the long axis length of the port is elliptical
  • the inclined flow path is disposed at one end of the atomizing sheet from the container interface, and the container joint of the liquid storage container is inserted into the container interface.
  • the bottom of the container interface is mounted with a third sealing element that is clamped between the container joint and the bottom surface of the container interface.
  • the axis line of the container interface is on the same line as the axis line of the inclined flow channel;
  • the axis of the container interface is parallel to the horizontal plane
  • the axis of the container interface is perpendicular to the horizontal plane.
  • the liquid storage container is detachably connected to the flow guiding joint.
  • the liquid storage container is disposed adjacent to the one end of the flow guiding joint along a radial direction thereof, and a limiting position boss is disposed.
  • the flow guiding joint is provided with a fastener near one end of the liquid storage container. The piece is engaged with the limit boss.
  • the fastener is an internal thread
  • the limiting boss is an external thread
  • an external thread of the liquid storage container is engaged with an internal thread of the flow guiding joint.
  • the fastener is an elastic limiting piece
  • a gap is disposed between the elastic limiting piece and the flow guiding joint
  • the elastic limiting piece is provided with a mounting groove
  • the limiting protrusion is a limiting ring
  • the limiting ring is located at an end of the liquid storage container near the flow guiding joint
  • the limiting ring is located in a gap between the elastic limiting piece and the flow guiding joint after installation.
  • a housing is further included, and the flow guiding joint is detachably connected to the housing.
  • the housing is provided with a limiting block
  • the guiding joint is provided with a locking member
  • the limiting block is lockedly connected with the locking member
  • the limiting block is a wedge-shaped column that is inserted into the housing, and the housing is provided with a locking button for driving the movement of the wedge-shaped column, and the locking member is a limiting hole, and the limiting piece is The position hole is opened at the bottom of the flow guiding joint, and the wedge column is inserted into the limiting hole after installation.
  • the limiting block is a limiting lever installed in the retaining groove of the housing, the locking member is an elastic locking piece, and the elastic locking piece is disposed at the bottom of the flow guiding joint. After the installation, the limit lever is engaged with the elastic locking piece.
  • an electronic control component is further included, and the electronic control component is installed in the housing, and the electronic control component and the atomization are when the flow guiding connector is mounted on the housing.
  • the piece is electrically connected.
  • the electronic control component includes a time control component and a voltage control component, and the time control component is electrically connected to the atomization sheet for controlling a working time of the atomization sheet;
  • a voltage control element is electrically coupled to the atomizing sheet for providing an operating voltage to the atomizing sheet.
  • the program can control the total amount of atomization of the therapeutic drug and improve the accuracy of the patient's medication.
  • the atomization efficiency refers to the volume of the atomized drug per unit time; the total amount of atomization refers to the volume of the atomized drug.
  • a bottom of the flow guiding joint is provided with a first conductive joint, the first conductive joint is electrically connected to the atomizing sheet, and a second conductive joint is disposed on the shell.
  • the second conductive joint is electrically connected to the electronic control component, and the first conductive joint is electrically connected to the second conductive joint when the flow guiding joint is mounted on the casing.
  • the bottom of the flow guiding joint is disposed above the first conductive joint with a positioning rail, and the housing is internally provided with a rail groove, and the positioning rail is slidably connected with the rail groove.
  • the invention has the beneficial effects of providing an inclined flow channel atomizer, connecting the atomization sheet and the liquid storage container through the flow guiding joint, and opening the inclined flow channel on the flow guiding joint, and the inclined flow channel of the inclined design can be reduced
  • the liquid storage space below the normal working liquid level of the atomizing sheet is less, and the volume of the liquid medicine remaining in the atomizer which cannot be atomized is effectively reduced, thereby reducing waste.
  • FIG. 1 is a schematic structural view of an inclined flow path atomizer according to Embodiment 1;
  • FIG. 2 is a schematic exploded view of the inclined flow path atomizer according to the first embodiment
  • FIG. 3 is a schematic structural view of a flow guiding joint according to Embodiment 1;
  • Figure 4 is a cross-sectional view of the flow guiding joint of the first embodiment
  • Figure 5 is a cross-sectional view showing a part of the inclined flow path atomizer according to the first embodiment
  • Figure 6 is a partial structural view of the housing of the first embodiment
  • FIG. 7 is a schematic structural view of a flow guiding joint according to Embodiment 6;
  • FIG. 8 is a schematic structural view of a liquid storage container according to Embodiment 6;
  • FIG. 9 is a schematic structural view of a flow guiding joint according to Embodiment 7.
  • FIG. 10 is a partial structural schematic view of the housing of the seventh embodiment.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • an inclined flow path atomizer includes an atomizing sheet 1, a flow guiding joint 2, and a liquid storage container 3, and the atomizing sheet 1 is mounted at one end of the flow guiding joint 2.
  • the flow guiding joint 2 is provided with an inclined flow channel 21 communicating with the atomizing sheet 1
  • the liquid storage container 3 is mounted on the inclined flow channel 21 away from the atomizing sheet
  • the inclined flow path 21 is inclined upward toward an end close to the liquid storage container 3 along an end close to the atomizing sheet 1.
  • the angle between the axial line of the inclined flow path 21 and the horizontal plane is 15 degrees.
  • the atomizing sheet 1 and the liquid storage container 3 are connected by the flow guiding joint 2, and the inclined flow path 21 is opened on the flow guiding joint 2, and the obliquely designed inclined flow path 21 can reduce the storage below the normal working liquid level of the atomizing sheet 1.
  • the liquid space effectively reduces the volume of the liquid remaining in the atomizer that cannot be atomized, thereby reducing waste.
  • the inclined flow path atomizer further includes a rectifying ring 4 installed at an end of the flow guiding joint 2 away from the liquid storage container 3, the rectifying ring 4 and the The inclined flow path 21 holds the atomizing sheet 1.
  • An installation groove 5 is disposed at an end of the flow guiding joint 2 away from the liquid storage container 3, and the mounting groove 5 is opened at an end of the flow guiding joint 2 away from the liquid storage container 3, the mounting concave
  • the axis line of the groove 5 is parallel to the horizontal plane, and the atomizing sheet 1 is mounted in the mounting groove 5.
  • An intersection of the axial line of the mounting groove 5 and the axial line of the inclined flow path 21 is located on an end surface of the mounting groove 5 on the side close to the liquid storage container 3.
  • the inclined flow path atomizer further includes a first sealing member 6 and a second sealing member 7, and the first sealing member 6 is disposed in the mounting groove 5 away from the liquid storage container.
  • One end of the third sealing member 7 is disposed in the mounting groove 5 near one end of the liquid storage container 3, and the atomizing sheet 1 is disposed on the first sealing member 6 and the second portion
  • the rectifying ring 4 and the inclined flow path 21 sandwich the atomizing sheet 1 through the first sealing member 6 and the second sealing member 7.
  • the diameter of the mounting groove 5 is larger than the diameter of the inclined flow path 21.
  • the shape of the port on the side of the inclined flow channel 21 near the atomizing sheet 1 is elliptical, and the diameter of the effective working area of the atomizing sheet 1 is greater than or equal to the angle of the inclined flow channel 21 near the atomizing sheet 1 The length of the long axis of the side port.
  • the inclined flow path 21 is disposed away from the end of the atomizing sheet 1 with a container interface 22, and the container joint of the liquid storage container 3 is inserted into the container interface 22.
  • a third sealing member is mounted at the bottom of the container interface 22, the third sealing member being clamped between the container fitting and the bottom surface of the container interface 22.
  • the axis line of the container port 22 is on the same line as the axis line of the inclined flow path 21.
  • the liquid storage container 3 is detachably connected to the flow guiding joint 2, and the end of the liquid storage container 3 adjacent to the flow guiding joint 2 is extended along the radial direction thereof to form a finite position boss 31.
  • a fastener 23 is disposed at one end of the flow guiding joint 2 near the liquid storage container 3, the fastener 23 is an internal thread, the limiting boss 31 is externally threaded, and the liquid storage container 3 is The external thread meshes with the internal thread of the flow guide 2 .
  • the inclined flow path atomizer further includes a housing 8 , and the flow guiding joint 2 is detachably connected to the housing 8 .
  • a limiting block 81 is disposed on the housing 8 , and the guiding joint 2 is provided with a locking member 24 , which is a wedge-shaped post that is inserted into the housing 8 , and the housing 8 On And a locking button 82 for driving the movement of the wedge column, the locking member 24 is a limiting hole, the limiting hole is formed at a bottom of the flow guiding joint 2, and the wedge column is inserted into the limit after installation Inside the hole.
  • the inclined flow path atomizer further includes an electronic control component 9 including a time control component and a voltage control component, the time control component being electrically connected to the atomization piece, For controlling the working time of the atomizing sheet; the voltage control element is electrically connected to the atomizing sheet for supplying an operating voltage to the atomizing sheet.
  • the atomization efficiency of the atomization sheet is solidified, and therefore, in the mist
  • the total amount of drug atomization achieved by the atomizing sheet is fixed, and the total amount of atomization is equal to the product of the atomization efficiency and the working time. Therefore, by controlling the atomization efficiency and the working time, the program can control the total amount of atomization of the therapeutic drug and improve the accuracy of the patient's medication.
  • the atomization efficiency refers to the volume of the atomized drug per unit time; the total amount of atomization refers to the volume of the atomized drug.
  • the electronic control unit 9 is mounted in the housing 8 .
  • the electronic control unit 9 is electrically connected to the atomizing sheet 1 .
  • the bottom of the flow guiding joint 2 is provided with a first conductive joint 25, the first conductive joint 25 is electrically connected to the atomizing sheet 1, and the housing 8 is provided with a second conductive joint 83, the first The second conductive joint 83 is electrically connected to the electronic control unit 9.
  • the first conductive joint 25 is electrically connected to the second conductive joint 83.
  • a positioning rail 26 is disposed at a bottom of the flow guiding joint 2 and above the first conductive joint 25, and the housing 8 is internally provided with a rail groove 84, and the positioning rail 26 and the rail groove 84 Slide the connection.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the angle between the axis of the inclined flow path and the horizontal plane is 10 degrees. In other embodiments, the angle between the axis of the inclined flow channel and the horizontal plane is 20 degrees or 25 degrees or 30 degrees or 35 degrees or 40 degrees or 45 degrees or 50 degrees or 55 degrees or 60 degrees or 65 degrees or 70 degrees.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • An end of the flow guiding joint away from the liquid storage container is provided with a mounting groove, the mounting groove is formed at an end of the rectifying ring close to the liquid storage container, and an axial line and a horizontal plane of the mounting groove Parallel, the atomizing sheet is mounted in the mounting recess.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • One end of the inclined flow path away from the atomizing sheet is provided with a container interface, and a container joint of the liquid storage container is inserted in the container interface, and the axis of the container interface is parallel to the horizontal plane.
  • Embodiment 5 is a diagrammatic representation of Embodiment 5:
  • One end of the inclined flow path away from the atomizing sheet is provided with a container interface, and a container joint of the liquid storage container is inserted into the container interface, and a shaft line of the container interface is perpendicular to a horizontal plane.
  • the liquid storage container 3 and the flow guiding joint 2 are detachable. a detachable connection, an end of the liquid storage container 3 adjacent to the flow guiding joint 2 is extended along a radial direction thereof, and a finite position boss 31 is disposed.
  • the flow guiding joint 2 is fastened at one end of the liquid storage container 3
  • the fastener 23 is an elastic limiting piece, and a gap is disposed between the elastic limiting piece and the flow guiding joint 2, and the elastic limiting piece is provided with a mounting groove, and the limiting convex
  • the table 31 is a limiting ring, and the limiting ring is located at one end of the liquid storage container 3 adjacent to the flow guiding joint 2, and the limiting ring is located at the elastic limiting piece and the guiding joint 2 after installation. Between the gaps.
  • the flow guiding joint 2 is detachably connected to the housing 8, and the housing 8 is provided with a limiting block 81, and the guiding joint 2 is provided.
  • a locking member 24 is disposed on the locking block, and the limiting member 81 is a limiting lever mounted in the retaining groove of the housing 8.
  • the locking member 24 is an elastic locking piece, and the elastic locking piece is disposed at the The bottom of the flow guiding joint 2 is mounted, and the limiting lever is engaged with the elastic locking piece after installation.
  • the liquid storage container is detachably connected to the flow guiding joint, and the liquid storage container is adjacent to the one end of the flow guiding joint and extends along a radial direction thereof to form a finite position boss.
  • a fastener is disposed at one end of the liquid storage container, the fastener is an elastic limiting piece, and a gap is disposed between the elastic limiting piece and the flow guiding joint, and the elastic limiting piece is disposed on the elastic limiting piece
  • the limiting slot is a limiting ring, and the limiting ring is located at an end of the liquid storage container adjacent to the flow guiding joint. After the mounting, the limiting ring is located at the elastic limiting piece. Within the gap between the flow guide and the flow guide.
  • the flow guiding joint is detachably connected to the casing, the casing is provided with a limiting block, the guiding joint is provided with a locking member, and the limiting block is mounted on the casing a limiting lever in the positioning slot, the locking member is an elastic locking piece, the elastic locking piece is disposed at a bottom of the flow guiding joint, and the limiting lever is engaged with the elastic locking piece after installation .

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  • Anesthesiology (AREA)
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  • Heart & Thoracic Surgery (AREA)
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Abstract

一种倾斜流道式雾化器，包括雾化片（1）、导流接头（2）和储液容器（3）。雾化片（1）安装在导流接头（2）的一端，导流接头（2）上开设有倾斜流道（21），倾斜流道（21）与雾化片（1）连通，储液容器（3）安装在倾斜流道（21）远离雾化片（1）的一侧，倾斜流道（21）沿靠近雾化片（1）的一端向靠近储液容器（3）的一端向上倾斜。该倾斜流道式雾化器通过导流接头（2）连接雾化片（1）与储液容器（3），且在导流接头（2）上开设倾斜流道（21），倾斜设计的倾斜流道（21）能够减少处于雾化片（1）正常工作液位以下的储液空间，有效减少残留在雾化器内无法被雾化的药液体积，从而减少浪费。

Description

一种倾斜流道式雾化器 技术领域
本发明涉及医疗器械技术领域，尤其涉及一种倾斜流道式雾化器。
背景技术
随着工业化和城市化的不断发展和深入，城市的空气质量越来越差，人们的呼吸系统疾病越来越普遍和频繁。医疗器械中包括一种产品是雾化器，雾化器主要用于治疗各种上下呼吸系统疾病，如感冒、发热、咳嗽、哮喘、咽喉肿痛、咽炎、鼻炎、支气管炎、尘肺等气管、支气管、肺泡、胸腔内所发生的疾病。雾化吸入治疗是呼吸系统疾病治疗方法中一种重要和有效的治疗方法，采用雾化器将药液雾化成微小颗粒，药物通过呼吸吸入的方式进入呼吸道和肺部沉积，从而达到无痛、迅速有效治疗的目的。
在雾化器的使用过程中，储液容器中的药液需要通过流道才能到达雾化片实现雾化处理，同时雾化片在使用过程中对药液的液位高度有限制，当药液的液位低于其正常工作的液位标定线时，雾化器将无法实现雾化，因此流道中且在液位标定线以下的药液将不能被雾化导致浪费。但是，目前市场上现有的雾化器的流道均为水平设置，导致流道中处于液位标定线以下的体积较大，从而使残留在流道中不能被雾化的药液较多，严重影响经济性。
基于上述情况，我们有必要设计一种能够解决上述问题的雾化器。
发明内容
本发明的一个目的在于：提供一种倾斜流道式雾化器，有效减少残留在雾 化器内无法被雾化的药液体积，从而减少浪费。
为达此目的，本发明采用以下技术方案：
一种倾斜流道式雾化器，包括雾化片、导流接头和储液容器，所述雾化片安装在所述导流接头的一端，所述导流接头上开设有倾斜流道，所述倾斜流道与所述雾化片连通，所述储液容器安装在所述倾斜流道远离所述雾化片的一侧，所述倾斜流道沿靠近所述雾化片的一端向靠近所述储液容器的一端向上倾斜。
处于雾化片正常工作的液位标定线以下的药液的总残留量包括两部分，第一部分是所述倾斜流道内的残留量，第二部分是所述导流接头远离所述储液容器一端的安装凹槽内的残留量。其中，第一部分的残留量随所述倾斜流道的倾斜角度增大而减少，因此，本方案通过导流接头连接雾化片与储液容器，且在导流接头上开设倾斜流道，倾斜设计的倾斜流道能够减少处于雾化片正常工作液位以下的储液空间，有效减少残留在雾化器内无法被雾化的药液体积，从而减少浪费。
具体地，一方面，所述倾斜流道提高了储液容器的最底端位置，使尽可能多的药液处于所述雾化片的正常工作所需的液面标定线以上，相比没有倾斜流道的结构可大大减小药液的残留量；另一方面，即使现有技术中的储药箱的底部有一定的倾斜角度，但是由于储药箱底部面积很大，远大于流入到雾化片的连接孔道处的面积，这样储药箱底部靠近边缘位置的液体不易流入到雾化片的连接孔道中，而由于设置了所述倾斜流道，本方案的所述储液容器的底部的位置较高，能够有效保证所述储液容器中的药液能够充分进入到所述倾斜流道内被所述雾化片进行雾化，而且本方案的所述倾斜流道的孔径与所述储液容器的内径相近，可进一步使所述储液容器内的药液尽可能多的流进所述倾斜流道，减少药液的残留量。
另外，管腔状的所述倾斜流道的一端与所述储液容器密封连接，另一端与所述雾化片密封连接，以倾斜流道这种方式连接储液容器和雾化片，形成密闭的输送空间，相比现有敞口式储药箱的结构能够更加有效阻隔药液与空气接触，大大减小药液暴露于空气的表面积，减小药物被污染的概率，提高安全性和可靠性。
作为一种优选的技术方案，所述倾斜流道的轴心线与水平面之间的夹角是10度以上70度以下。
优选的，所述倾斜流道的轴心线与水平面之间的夹角是15度以上60度以下。
优选的，所述倾斜流道的轴心线与水平面之间的夹角是10度或15度或20度或25度或30度或35度或40度或45度或50度或55度或60度或65度或70度。
具体地，所述倾斜流道靠近所述雾化片一侧的端口形状是椭圆形，在所述倾斜流道靠近所述雾化片一侧的端口的长轴长度固定不变的情况下，随着所述倾斜流道的倾斜角度的增大，所述倾斜流道的直径将会减小。由于液体的表面张力作用，液体在自身重力的作用下不容易通过狭小的空间，即所述倾斜流道的直径越小药液越不易通过所述倾斜流道，因此所述倾斜流道的直径不能够太小，以免药液不能顺利通过。根据上述分析，所述倾斜流道的倾斜角度不能太大，否则会造成药液不能顺利通过所述倾斜流道造成药液供给不足。
作为一种优选的技术方案，还包括整流环，所述整流环安装在所述导流接头远离所述储液容器的一端，所述整流环与所述倾斜流道夹持所述雾化片。
作为一种优选的技术方案，所述导流接头远离所述储液容器的一端设置有安装凹槽，所述安装凹槽的轴心线与水平面平行，所述雾化片安装在所述安装 凹槽内。
优选的，所述安装凹槽开设于所述导流接头远离所述储液容器的一端。
优选的，所述安装凹槽开设于所述整流环靠近所述储液容器的一端。
优选的，该倾斜流道式雾化器还包括第一密封元件和第二密封元件，所述第一密封元件设置于所述安装凹槽内远离所述储液容器的一端，所述第二密封元件设置于所述安装凹槽内靠近所述储液容器的一端，所述雾化片设置于所述第一密封元件与所述第二密封元件之间，所述整流环与所述倾斜流道通过所述第一密封元件和所述第二密封元件夹持所述雾化片。所述整流环与所述导流接头对所述第一密封元件和所述第二密封元件施加一定预紧力，使所述第一密封元件和所述第二密封元件具备一定轴向压缩量，从而使所述雾化片的夹持更加稳定可靠，同时不影响所述雾化片的正常振动。
优选的，所述安装凹槽的轴心线与所述倾斜流道的轴心线的交点位于所述安装凹槽靠近所述储液容器一侧的端面上。
优选的，所述安装凹槽的轴心线与所述倾斜流道的轴心线的交点位于所述安装凹槽靠近所述储液容器一侧的端面的远离所述储液容器的一侧。
作为一种优选的技术方案，所述安装凹槽的直径大于所述倾斜流道的直径。
优选的，所述雾化片的有效工作区域的面积大于等于所述倾斜流道靠近所述雾化片一侧的端口的面积。
进一步地，所述倾斜流道靠近所述雾化片一侧的端口形状是椭圆形，所述雾化片的有效工作区域的直径大于等于所述倾斜流道靠近所述雾化片一侧的端口的长轴长度。
作为一种优选的技术方案，所述倾斜流道远离所述雾化片的一端设置有容器接口，所述储液容器的容器接头插装在所述容器接口内。
优选的，所述容器接口的底部安装有第三密封元件，所述第三密封元件被夹持于所述容器接头与所述容器接口的底面之间。
作为一种优选的技术方案，所述容器接口的轴心线与所述倾斜流道的轴心线位于同一直线上；
或者，所述容器接口的轴心线与水平面平行；
或者，所述容器接口的轴心线与水平面垂直。
作为一种优选的技术方案，所述储液容器与所述导流接头可拆卸式连接。
优选的，所述储液容器靠近所述导流接头的一端沿其径向延伸设置有限位凸台，所述导流接头靠近所述储液容器的一端设置有紧固件，所述紧固件与所述限位凸台卡接。
进一步地，所述紧固件为内螺纹，所述限位凸台为外螺纹，所述储液容器的外螺纹与所述导流接头的内螺纹相啮合。
进一步地，所述紧固件为弹性限位片，所述弹性限位片与所述导流接头之间设置有空隙，所述弹性限位片上设置有安装槽，所述限位凸台为限位环，所述限位环位于所述储液容器靠近所述导流接头的一端，安装后所述限位环位于所述弹性限位片与所述导流接头之间的空隙内。
作为一种优选的技术方案，还包括壳体，所述导流接头可拆卸式连接于所述壳体上。
优选的，所述壳体上设置有限位块，所述导流接头上设置有锁定件，所述限位块与所述锁定件锁紧连接。
进一步地，所述限位块是插装在所述壳体上的楔形柱，所述壳体上设置有驱动所述楔形柱运动的锁定按钮，所述锁定件是限位孔，所述限位孔开设于所述导流接头的底部，安装后所述楔形柱插入所述限位孔内。
进一步地，所述限位块是安装于所述壳体的让位槽内的限位挡杆，所述锁定件是弹性锁定片，所述弹性锁定片设置于所述导流接头的底部，安装后所述限位挡杆与所述弹性锁定片卡接。
作为一种优选的技术方案，还包括电控组件，所述电控组件安装于所述壳体内，所述导流接头安装于所述壳体上时，所述电控组件与所述雾化片电连接。
作为一种优选的技术方案，所述电控组件包括时间控制元件和电压控制元件，所述时间控制元件与所述雾化片电连接，用于控制所述雾化片的工作时间；所述电压控制元件与所述雾化片电连接，用于给所述雾化片提供工作电压。
具体地，在雾化片物理结构确定的情况下，所述雾化片在一个恒定的工作电压下工作时，所述雾化片的雾化效率是固化不变的，因此，在所述雾化片的工作时间受控并为确定值的情况下，所述雾化片实现的药物雾化总量是固定的，且雾化总量等于雾化效率与工作时间的乘积。因此，本方案通过控制雾化效率和工作时间，能够控制治疗药物的雾化总量，提高病患用药的准确性。
优选的，所述雾化效率是指单位时间内雾化药物的体积；所述雾化总量是指雾化药物的体积。
作为一种优选的技术方案，所述导流接头的底部设置有第一导电接头，所述第一导电接头与所述雾化片电连接，所述壳体上设置有第二导电接头，所述第二导电接头与所述电控组件电连接，所述导流接头安装于所述壳体上时，所述第一导电接头与所述第二导电接头电连接。
优选的，所述导流接头的底部并位于所述第一导电接头的上方设置有定位导轨，所述壳体内部设置有导轨凹槽，所述定位导轨与所述导轨凹槽滑动连接。
本发明的有益效果为：提供一种倾斜流道式雾化器，通过导流接头连接雾化片与储液容器，且在导流接头上开设倾斜流道，倾斜设计的倾斜流道能够减 少处于雾化片正常工作液位以下的储液空间，有效减少残留在雾化器内无法被雾化的药液体积，从而减少浪费。
附图说明
下面根据附图和实施例对本发明作进一步详细说明。
图1为实施例一所述的倾斜流道式雾化器的结构示意图；
图2为实施例一所述的倾斜流道式雾化器的爆炸示意图；
图3为实施例一所述的导流接头的结构示意图；
图4为实施例一所述的导流接头的剖视图；
图5为实施例一所述的倾斜流道式雾化器的部分零件组合后的剖视图；
图6为实施例一所述的壳体的部分结构示意图；
图7为实施例六所述的导流接头的结构示意图；
图8为实施例六所述的储液容器的结构示意图；
图9为实施例七所述的导流接头的结构示意图；
图10为实施例七所述的壳体的部分结构示意图。
图1至图10中：
1、雾化片；
2、导流接头；21、倾斜流道；22、容器接口；23、紧固件；24、锁定件；25、第一导电接头；26、定位导轨；
3、储液容器；31、限位凸台；
4、整流环；
5、安装凹槽；
6、第一密封元件；
7、第二密封元件；
8、壳体；81、限位块；82、锁定按钮；83、第二导电接头；84、导轨凹槽；
9、电控组件。
具体实施方式
下面结合附图并通过具体实施方式来进一步说明本发明的技术方案。
实施例一：
如图1至6所示，一种倾斜流道式雾化器，包括雾化片1、导流接头2和储液容器3，所述雾化片1安装在所述导流接头2的一端，所述导流接头2上开设有倾斜流道21，所述倾斜流道21与所述雾化片1连通，所述储液容器3安装在所述倾斜流道21远离所述雾化片1的一侧，所述倾斜流道21沿靠近所述雾化片1的一端向靠近所述储液容器3的一端向上倾斜。于本实施例中，所述倾斜流道21的轴心线与水平面之间的夹角是15度。通过导流接头2连接雾化片1与储液容器3，且在导流接头2上开设倾斜流道21，倾斜设计的倾斜流道21能够减少处于雾化片1正常工作液位以下的储液空间，有效减少残留在雾化器内无法被雾化的药液体积，从而减少浪费。
于本实施例中，该倾斜流道式雾化器还包括整流环4，所述整流环4安装在所述导流接头2远离所述储液容器3的一端，所述整流环4与所述倾斜流道21夹持所述雾化片1。所述导流接头2远离所述储液容器3的一端设置有安装凹槽5，所述安装凹槽5开设于所述导流接头2远离所述储液容器3的一端，所述安装凹槽5的轴心线与水平面平行，所述雾化片1安装在所述安装凹槽5内。所述安装凹槽5的轴心线与所述倾斜流道21的轴心线的交点位于所述安装凹槽5靠近所述储液容器3一侧的端面上。
于本实施例中，该倾斜流道式雾化器还包括第一密封元件6和第二密封元件7，所述第一密封元件6设置于所述安装凹槽5内远离所述储液容器3的一端，所述第二密封元件7设置于所述安装凹槽5内靠近所述储液容器3的一端，所述雾化片1设置于所述第一密封元件6与所述第二密封元件7之间，所述整流环4与所述倾斜流道21通过所述第一密封元件6和所述第二密封元件7夹持所述雾化片1。
于本实施例中，所述安装凹槽5的直径大于所述倾斜流道21的直径。所述倾斜流道21靠近所述雾化片1一侧的端口形状是椭圆形，所述雾化片1的有效工作区域的直径大于等于所述倾斜流道21靠近所述雾化片1一侧的端口的长轴长度。
于本实施例中，所述倾斜流道21远离所述雾化片1的一端设置有容器接口22，所述储液容器3的容器接头插装在所述容器接口22内。所述容器接口22的底部安装有第三密封元件，所述第三密封元件被夹持于所述容器接头与所述容器接口22的底面之间。所述容器接口22的轴心线与所述倾斜流道21的轴心线位于同一直线上。
于本实施例中，所述储液容器3与所述导流接头2可拆卸式连接，所述储液容器3靠近所述导流接头2的一端沿其径向延伸设置有限位凸台31，所述导流接头2靠近所述储液容器3的一端设置有紧固件23，所述紧固件23为内螺纹，所述限位凸台31为外螺纹，所述储液容器3的外螺纹与所述导流接头2的内螺纹相啮合。
于本实施例中，该倾斜流道式雾化器还包括壳体8，所述导流接头2可拆卸式连接于所述壳体8上。所述壳体8上设置有限位块81，所述导流接头2上设置有锁定件24，所述限位块81是插装在所述壳体8上的楔形柱，所述壳体8上 设置有驱动所述楔形柱运动的锁定按钮82，所述锁定件24是限位孔，所述限位孔开设于所述导流接头2的底部，安装后所述楔形柱插入所述限位孔内。
于本实施例中，该倾斜流道式雾化器还包括电控组件9，所述电控组件9包括时间控制元件和电压控制元件，所述时间控制元件与所述雾化片电连接，用于控制所述雾化片的工作时间；所述电压控制元件与所述雾化片电连接，用于给所述雾化片提供工作电压。具体地，在雾化片物理结构确定的情况下，所述雾化片在一个恒定的工作电压下工作时，所述雾化片的雾化效率是固化不变的，因此，在所述雾化片的工作时间受控并为确定值的情况下，所述雾化片实现的药物雾化总量是固定的，且雾化总量等于雾化效率与工作时间的乘积。因此，本方案通过控制雾化效率和工作时间，能够控制治疗药物的雾化总量，提高病患用药的准确性。所述雾化效率是指单位时间内雾化药物的体积；所述雾化总量是指雾化药物的体积。
所述电控组件9安装于所述壳体8内，所述导流接头2安装于所述壳体8上时，所述电控组件9与所述雾化片1电连接。所述导流接头2的底部设置有第一导电接头25，所述第一导电接头25与所述雾化片1电连接，所述壳体8上设置有第二导电接头83，所述第二导电接头83与所述电控组件9电连接，所述导流接头2安装于所述壳体8上时，所述第一导电接头25与所述第二导电接头83电连接。所述导流接头2的底部并位于所述第一导电接头25的上方设置有定位导轨26，所述壳体8内部设置有导轨凹槽84，所述定位导轨26与所述导轨凹槽84滑动连接。
实施例二：
本实施例与实施例一的区别在于：
于本实施例中，所述倾斜流道的轴心线与水平面之间的夹角是10度。于其它实施例中，所述倾斜流道的轴心线与水平面之间的夹角是20度或25度或30度或35度或40度或45度或50度或55度或60度或65度或70度。
实施例三：
本实施例与实施例一的区别在于：
所述导流接头远离所述储液容器的一端设置有安装凹槽，所述安装凹槽开设于所述整流环靠近所述储液容器的一端，所述安装凹槽的轴心线与水平面平行，所述雾化片安装在所述安装凹槽内。
实施例四：
本实施例与实施例一的区别在于：
所述倾斜流道远离所述雾化片的一端设置有容器接口，所述储液容器的容器接头插装在所述容器接口内，所述容器接口的轴心线与水平面平行。
实施例五：
本实施例与实施例一的区别在于：
所述倾斜流道远离所述雾化片的一端设置有容器接口，所述储液容器的容器接头插装在所述容器接口内，所述容器接口的轴心线与水平面垂直。
实施例六：
本实施例与实施例一的区别在于：
于本实施例中，如图7和8所示，所述储液容器3与所述导流接头2可拆 卸式连接，所述储液容器3靠近所述导流接头2的一端沿其径向延伸设置有限位凸台31，所述导流接头2靠近所述储液容器3的一端设置有紧固件23，所述紧固件23为弹性限位片，所述弹性限位片与所述导流接头2之间设置有空隙，所述弹性限位片上设置有安装槽，所述限位凸台31为限位环，所述限位环位于所述储液容器3靠近所述导流接头2的一端，安装后所述限位环位于所述弹性限位片与所述导流接头2之间的空隙内。
实施例七：
本实施例与实施例一的区别在于：
于本实施例中，如图9和10所示，所述导流接头2可拆卸式连接于所述壳体8上，所述壳体8上设置有限位块81，所述导流接头2上设置有锁定件24，所述限位块81是安装于所述壳体8的让位槽内的限位挡杆，所述锁定件24是弹性锁定片，所述弹性锁定片设置于所述导流接头2的底部，安装后所述限位挡杆与所述弹性锁定片卡接。
实施例八：
本实施例与实施例一的区别在于：
于本实施例中，所述储液容器与所述导流接头可拆卸式连接，所述储液容器靠近所述导流接头的一端沿其径向延伸设置有限位凸台，所述导流接头靠近所述储液容器的一端设置有紧固件，所述紧固件为弹性限位片，所述弹性限位片与所述导流接头之间设置有空隙，所述弹性限位片上设置有安装槽，所述限位凸台为限位环，所述限位环位于所述储液容器靠近所述导流接头的一端，安装后所述限位环位于所述弹性限位片与所述导流接头之间的空隙内。
所述导流接头可拆卸式连接于所述壳体上，所述壳体上设置有限位块，所述导流接头上设置有锁定件，所述限位块是安装于所述壳体的让位槽内的限位挡杆，所述锁定件是弹性锁定片，所述弹性锁定片设置于所述导流接头的底部，安装后所述限位挡杆与所述弹性锁定片卡接。
本文中的“第一”、“第二”、“第三”仅仅是为了在描述上加以区分，并没有特殊的含义。
需要声明的是，上述具体实施方式仅仅为本发明的较佳实施例及所运用技术原理，在本发明所公开的技术范围内，任何熟悉本技术领域的技术人员所容易想到的变化或替换，都应涵盖在本发明的保护范围内。

Claims (10)

  1. 一种倾斜流道式雾化器，其特征在于，包括雾化片、导流接头和储液容器，所述雾化片安装在所述导流接头的一端，所述导流接头上开设有倾斜流道，所述倾斜流道与所述雾化片连通，所述储液容器安装在所述倾斜流道远离所述雾化片的一侧，所述倾斜流道沿靠近所述雾化片的一端向靠近所述储液容器的一端向上倾斜。
  2. 根据权利要求1所述的一种倾斜流道式雾化器，其特征在于，所述倾斜流道的轴心线与水平面之间的夹角是10度以上70度以下。
  3. 根据权利要求1所述的一种倾斜流道式雾化器，其特征在于，还包括整流环，所述整流环安装在所述导流接头远离所述储液容器的一端，所述整流环与所述倾斜流道夹持所述雾化片。
  4. 根据权利要求1所述的一种倾斜流道式雾化器，其特征在于，所述导流接头远离所述储液容器的一端设置有安装凹槽，所述安装凹槽的轴心线与水平面平行，所述雾化片安装在所述安装凹槽内。
  5. 根据权利要求1所述的一种倾斜流道式雾化器，其特征在于，所述倾斜流道远离所述雾化片的一端设置有容器接口，所述储液容器的容器接头插装在所述容器接口内。
  6. 根据权利要求5所述的一种倾斜流道式雾化器，其特征在于，所述容器接口的轴心线与所述倾斜流道的轴心线位于同一直线上；
    或者，所述容器接口的轴心线与水平面平行；
    或者，所述容器接口的轴心线与水平面垂直。
  7. 根据权利要求1所述的一种倾斜流道式雾化器，其特征在于，所述储液容器与所述导流接头可拆卸式连接。
  8. 根据权利要求1所述的一种倾斜流道式雾化器，其特征在于，还包括壳 体，所述导流接头可拆卸式连接于所述壳体上。
  9. 根据权利要求8所述的一种倾斜流道式雾化器，其特征在于，还包括电控组件，所述电控组件安装于所述壳体内，所述导流接头安装于所述壳体上时，所述电控组件与所述雾化片电连接。
  10. 根据权利要求9所述的一种倾斜流道式雾化器，其特征在于，所述电控组件包括时间控制元件，所述时间控制元件与所述雾化片电连接，用于控制所述雾化片的工作时间。
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