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1. EP3721203 - FILTERS FOR MIMICKING REGIONAL LUNG DEPOSITION

Office European Patent Office
Application Number 18885912
Application Date 07.12.2018
Publication Number 3721203
Publication Date 14.10.2020
Publication Kind A1
IPC
G01N 1/22
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
1Sampling; Preparing specimens for investigation
02Devices for withdrawing samples
22in the gaseous state
A61B 5/08
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes; Identification of persons
08Measuring devices for evaluating the respiratory organs
G01N 13/00
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
13Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
G09B 23/30
GPHYSICS
09EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
23Models for scientific, medical, or mathematical purposes, e.g. full-sized device for demonstration purposes
28for medicine
30Anatomical models
CPC
G01N 1/2205
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
1Sampling; Preparing specimens for investigation
02Devices for withdrawing samples
22in the gaseous state
2202involving separation of sample components during sampling
2205with filters
G01N 2001/2288
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
1Sampling; Preparing specimens for investigation
02Devices for withdrawing samples
22in the gaseous state
2285Details of probe structures
2288Filter arrangements
G09B 23/288
GPHYSICS
09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
23Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
28for medicine
288for artificial respiration or heart massage
G09B 23/30
GPHYSICS
09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
23Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
28for medicine
30Anatomical models
G01N 13/00
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
13Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
Applicants UNIV ALBERTA
Inventors FINLAY WARREN H
RUZYCKI CONOR A
MARTIN ANDREW R
AYRANCI CAGRI
TAVERNINI SCOTT E
Designated States
Priority Data 201762595641 07.12.2017 US
Title
(DE) FILTER ZUR NACHAHMUNG VON REGIONALER LUNGENABLAGERUNG
(EN) FILTERS FOR MIMICKING REGIONAL LUNG DEPOSITION
(FR) FILTRES PERMETTANT D'IMITER UN DÉPÔT PULMONAIRE RÉGIONAL
Abstract
(EN)
A filter for mimicking regional lung deposition is provided that includes filter layers of fibrous filter material stacked coaxially and an outer ring portion encircling the fibrous filter material and securing the filter layers together. The fibrous filter material is formed for fibers having a fiber diameter, and the filter has a tunable filter efficiency. A regional lung deposition system capable of measuring constant flow or variable flow is provided that includes a throat simulation device, a filter housing downstream of and in fluid communication with the throat simulation device, a breath simulator downstream of and in fluid communication with the filter housing, and a an above-referenced filter positioned within the filter housing. Also provided is a filter housing for use in the regional lung deposition system that includes a conical housing having a small inner diameter at a first end and a large inner diameter at a second end.

(FR)
L'invention concerne un filtre permettant d'imiter un dépôt pulmonaire régional qui comprend des couches filtrantes de matériau filtrant fibreux empilées coaxialement et une partie anneau externe encerclant le matériau filtrant fibreux et fixant les couches filtrantes ensemble. Le matériau filtrant fibreux est formé pour des fibres ayant un diamètre de fibre et le filtre a une efficacité de filtre réglable. L'invention concerne un système de dépôt pulmonaire régional permettant de mesurer un débit constant ou un débit variable qui comprend un dispositif de simulation de gorge, un logement de filtre en aval et en communication fluidique avec le dispositif de simulation de gorge, un simulateur de respiration en aval et en communication fluidique avec le logement de filtre et un filtre précité positionné à l'intérieur du logement de filtre. L'invention concerne également un logement de filtre destiné à être utilisé dans le système de dépôt pulmonaire régional qui comprend un logement conique ayant un petit diamètre interne à une première extrémité et un grand diamètre interne à une seconde extrémité.