Title:
INHALATION EXPOSURE PARTICLE MEASURING APPARATUS
Document Type and Number:
Japanese Patent JP2823792
Kind Code:
B2
Abstract:
PURPOSE: To provide an apparatus for measuring weight and particle distribution of inhalation exposure particles.
CONSTITUTION: The inhalation exposure particle measuring apparatus comprises at least two artificial respiratory organs 7a, 7b, two weight measuring units 1a, 1b having two classifying functions and pumps 3a, 3b, and a controller 5 for previously storing a computer program, etc., for measuring and calculating relationship between particle distribution and quantity of collected particles of the units 1a, 1b, particle size distribution and amount of the inhalation exposure particles. The unit 1a of the nits 1a, 1b is connected to a trachea port 7a-2 of the unit 7a, and the other unit 1b is connected to a trachea port 7b-1 of the unit 7b, and the units 7a, 7b, 1a, 1b and the pumps 3a, 3b are controlled by the controller 5.
Inventors:
Masahiro Sakagami
Sakon Yoshiyuki
Makino Yuji
Suzuki Yoshiki
Sakon Yoshiyuki
Makino Yuji
Suzuki Yoshiki
Application Number:
JP31746293A
Publication Date:
November 11, 1998
Filing Date:
November 25, 1993
Export Citation:
Assignee:
Teijin Limited
International Classes:
G01N15/02; A61B5/08; A61B5/083; (IPC1-7): G01N15/02; A61B5/08
Attorney, Agent or Firm:
Shirai Shigetaka
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