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Micro-nozzle assembly with filter

A component and nozzle technology, which is applied in the field of aerosol systems, can solve the problems that the valve seat does not provide filtration, the perforated diaphragm does not provide and other problems, and achieves the effect of small dead volume, easy assembly, and preventing bacteria from entering.

Inactive Publication Date: 2018-05-22
THE TECHNOLOGY PARTNERSHIP PLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Additionally, the seat does not provide filtration, nor does the perforated diaphragm

Method used

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  • Micro-nozzle assembly with filter
  • Micro-nozzle assembly with filter
  • Micro-nozzle assembly with filter

Examples

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Embodiment Construction

[0045] The words "perforation" and "perforated" encompass any form of "hole", "aperture" or "perforation", which may be of any shape, such as holes, slots / slits, meshes or any slits / openings. "Hole", "perforation", "aperture" and "hole" are used interchangeably in singular or plural to refer to a single or multiple holes / perforations / apertures / apertures.

[0046] For filtration or for nozzles it is often important to have small and controllable pores, holes of a few hundred microns can be molded or machined. Electroforming is also a solution and enables smaller holes. For holes down to micron size, laser drilling is available, with or without electropolishing. Other techniques such as track etching and sintering enable the production of sub-micron sized pores.

[0047] The word "attach" is intended to cover any method by which two components or parts can be held / joined together. This includes clamping, adhesive / solvent bonding (e.g., using glue), welding (e.g., ultrasonic, ...

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Abstract

A nozzle assembly, configured to receive fluid at pressures of greater than 1 bar. The nozzle assembly comprises a first perforate element (1) comprising one or more orifices (2), each orifice havingan inlet and an outlet and a diameter of no more than 100 [mu]m, and at least one second perforate element (4) further comprising a plurality of orifices of a smaller size than the one or more orifices of the first perforate element (1) and having a larger number of orifices than the first perforate element (1). The second perforate element (4) is configured to act as a filter and the second perforate element (4) is attached to the first perforate element (1). A perpendicular distance between the first and second perforate elements (4) is less than the diameter of the largest orifice of the first perforate element (1).

Description

technical field [0001] The present invention relates generally to an aerosol system, and more particularly to an aerosol comprising a nozzle assembly for generating an aerosol, a filter for preventing any particles from clogging said nozzle and / or for generating a check valve and flow Aerosol system with a valve that regulates the function. Background technique [0002] Aerosol systems capable of generating a slow moving mist such as those described in PCT / GB2015 / 051413 and GB1420266.7 are highly effective and user friendly methods of delivering pharmaceutical ingredients to the lungs, nose, eyes and skin or mouth. The mist is monodisperse and more controllable than the mist produced by typical pump injectors. In this way, delivery can target rapid absorption and undesired effects such as overspray (in the case of nasal delivery) or poorly controlled droplet distribution at the beginning and end of droplet delivery can be avoided . [0003] This slow moving mist aerosol s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05B15/40B05B15/50A61M11/00
CPCA61M11/006A61M2207/00A61M2205/7545B05B1/14B05B11/007B05B15/40A61F9/0008A61M39/24A61M2205/3334
Inventor 丹尼尔·斯特朗格罗伯特·塞尔比罗曼·盖恩威廉姆·理查森劳伦斯·贝克
Owner THE TECHNOLOGY PARTNERSHIP PLC
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