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CN-122006022-A - Atomizing piece and atomizing device

CN122006022ACN 122006022 ACN122006022 ACN 122006022ACN-122006022-A

Abstract

The invention relates to the technical field of atomization drug delivery devices, and discloses an atomization sheet and an atomization device. The atomizing sheet comprises a first area, a second area and a third area which are mutually independent, wherein the first area is provided with first micropores, the second area is provided with a plurality of second micropores, the third area is provided with a plurality of third micropores, the thickness of any two of the three areas is different, and the inner diameters of any two of the three micropores are different. Under the condition that the material of the whole atomizing sheet is unchanged, the amplitudes generated by different thicknesses under the influence of external vibration are different. Through adjusting the driving modes of different frequencies, one of the first area, the second area or the third area has more obvious amplitude relative to the other two areas, so that the generated spray particle size is basically influenced by the inner diameter of micropores in the area with the largest amplitude, the atomizing sheet can meet the single particle size requirement of a single disease, and the differentiated requirement of various diseases on the spray particle size can be met.

Inventors

  • HUA JIAN
  • Zheng Baoda

Assignees

  • 深圳来福士雾化医学有限公司

Dates

Publication Date
20260512
Application Date
20260205

Claims (10)

  1. 1. Atomizing piece, its characterized in that includes first region, second region and the third region of mutually independent: The first region is provided with a plurality of first micropores penetrating in the thickness direction, the second region is provided with a plurality of second micropores penetrating in the thickness direction, the third region is provided with a plurality of third micropores penetrating in the thickness direction, the thickness of any two of the first region, the second region and the third region is different, and the inner diameters of any two of the first micropores, the second micropores and the third micropores are different.
  2. 2. The atomizing sheet of claim 1, wherein the atomizing sheet includes a circular region, the first region is disposed in a center of the circular region, the second region is disposed around an outer periphery of the first region, and the third region is disposed around an outer periphery of the second region.
  3. 3. The atomizing sheet of claim 2, wherein the first, second, and third micropores together form a plurality of spiral lines from the center of the circular region to the outer periphery of the circular region, and the distance between circumferentially adjacent two spiral lines increases gradually.
  4. 4. The atomizing sheet according to claim 3, wherein the first, second and third micropores further form a plurality of radial lines from the center of the circular region toward the outer periphery of the circular region, the distance between circumferentially adjacent two radial lines gradually increasing, and the radial lines and the micropores of the spiral line are staggered with each other.
  5. 5. The atomizing sheet of claim 4, wherein the inner diameters of the first, second, and third micropores gradually increase from the center of the circular region toward the outer periphery of the circular region.
  6. 6. The atomising sheet according to claim 2 comprising a functional ring of different stiffness than the first, second and third regions, the functional ring being arranged between the first and second regions and/or the functional ring being arranged between the second and third regions.
  7. 7. The aerosolized tablet of claim 2, wherein the aerosolized tablet satisfies at least one of the following characteristics: a. The atomization sheet comprises a first functional layer, wherein the first functional layer is arranged on the surface of the first area, and the mass and/or the structural damping of the first functional layer are different from those of the circular area; b. the atomizing sheet comprises a second functional layer, wherein the second functional layer is arranged on the surface of the second area, and the mass and/or the structural damping of the second functional layer are different from those of the circular area; c. the atomizing sheet comprises a third functional layer, the third functional layer is arranged on the surface of the third area, and the mass and/or the structural damping of the third functional layer are different from those of the circular area.
  8. 8. The aerosolized tablet of claim 1, wherein the first region has a thickness H1, the second region has a thickness H2, the third region has a thickness H3, the first microwells have an inner diameter d1, the second microwells have an inner diameter d2, the third microwells have an inner diameter d3, H1< H2< H3, and d1< d2< d3.
  9. 9. The atomized tablet of claim 8 wherein 20 μm or less H1. Ltoreq.40 μm,30 μm or less H2. Ltoreq.60 μm,40 μm or less H3. Ltoreq.80 μm,0.5 μm or less d 1. Ltoreq.3 μm,3 μm or less d2. Ltoreq.8 μm,8 μm or less d 3. Ltoreq.25 μm.
  10. 10. An atomising device comprising an atomising sheet according to any of claims 1 to 9.

Description

Atomizing piece and atomizing device Technical Field The invention relates to the technical field of atomization drug delivery devices, in particular to an atomization sheet and an atomization device. Background In the atomizing device of dosing, the atomizing piece is one of the core structures, through offer the atomizing micropore on the atomizing piece, then through the vibration with the liquid vibration atomizing of one side become water smoke, the atomizing piece is mostly made by the atomizing micropore of single aperture or the atomizing micropore of particle diameter gradual change, but the produced spray particle diameter ratio of the structure of single aperture atomizing micropore is single, the different needs of multiple disease can not be compatible in the spraying of single particle diameter, and the atomizing micropore of particle diameter gradual change is more in the spray particle diameter type that produces in the course of working, can't satisfy the accurate demand of single particle diameter to single disease again. Disclosure of Invention The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides the atomizing tablet which can meet the single particle size requirement of a single disease and the differentiated requirement of various diseases on the spray particle size. The invention also provides an atomization device with the atomization sheet. According to the atomizing sheet disclosed by the embodiment of the first aspect of the invention, the atomizing sheet comprises a first area, a second area and a third area which are mutually independent, wherein the first area is provided with a plurality of first micropores penetrating in the thickness direction, the second area is provided with a plurality of second micropores penetrating in the thickness direction, the third area is provided with a plurality of third micropores penetrating in the thickness direction, the thickness of any two of the first area, the second area and the third area is different, and the inner diameters of any two of the first micropores, the second micropores and the third micropores are different. The atomizing sheet according to the embodiment of the first aspect of the invention has at least the following beneficial effects that by arranging three mutually independent areas and arranging micropores with different inner diameters in each area, the thickness of each area is designed to be different sizes, and under the condition that the material of the whole atomizing sheet is unchanged, the different thicknesses have different amplitudes under the influence of external vibration. Therefore, one of the first area, the second area or the third area has more obvious amplitude relative to the other two areas by adjusting the driving modes with different frequencies, so that the generated spray particle size is basically influenced by the inner diameter of micropores in the area with the largest amplitude, and the atomization sheet can meet the single particle size requirement of a single disease and the differentiated requirement of various diseases on the spray particle size. According to some embodiments of the invention, the atomizing sheet includes a circular region, the first region is disposed at a center of the circular region, the second region is disposed around an outer periphery of the first region, and the third region is disposed around an outer periphery of the second region. According to some embodiments of the invention, the first micro-hole, the second micro-hole and the third micro-hole form a plurality of spiral lines from the center of the circular area to the periphery of the circular area, and the distance between two adjacent spiral lines along the circumferential direction is gradually increased. According to some embodiments of the invention, from the center of the circular region to the periphery of the circular region, the first micro-holes, the second micro-holes, and the third micro-holes further form a plurality of radial lines together, the distance between two adjacent radial lines along the circumferential direction gradually increases, and the radial lines are staggered with the micro-holes of the spiral line. According to some embodiments of the invention, the inner diameters of the first, second, and third microwells gradually increase from the center of the circular region toward the outer periphery of the circular region. According to some embodiments of the invention, the atomising plate comprises a functional ring of different stiffness than the first, second and third regions, the functional ring being arranged between the first and second regions and/or the functional ring being arranged between the second and third regions. According to some embodiments of the invention, the atomising sheet fulfils at least one of a. The atomising sheet comprises a first functional layer arranged on a surfa