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Inhaled medicine dose detector based on optical waves

A technology for inhaling drugs and detectors, which is applied in the direction of weighing equipment, instruments, and weighing of materials with special properties/forms, which can solve problems such as trouble and waste of drug powder, and achieve convenient use, no waste of drugs, and simple structure Effect

Inactive Publication Date: 2012-03-21
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This is more troublesome and wastes powder

Method used

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  • Inhaled medicine dose detector based on optical waves
  • Inhaled medicine dose detector based on optical waves
  • Inhaled medicine dose detector based on optical waves

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with the accompanying drawings.

[0021] A light wave based inhaled drug dose detector such as figure 1 As shown, it includes a shell 1 with two openings, a signal collector is embedded in the shell 1, an A / D conversion module, a processing module and a display module are arranged in the shell, and the signal collector, A / D conversion module, processing module and display module circuit connections in turn, such as figure 2 shown.

[0022] The signal collector is composed of a pair of visible light emitting head 2 and receiving head 3 .

[0023] The display module is a liquid crystal display.

[0024] The working principle is: when there is no medicine powder passing between the visible light emitting head 2 and the receiving head 3, the receiving head 3 receives the strongest signal; when there is medicine powder passing through, the receiving head 3 signal becomes weaker.

[0025] The functions ...

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Abstract

The invention discloses an inhaled medicine dose detector based on optical waves. The detector comprises a shell with openings at both ends, wherein a signal collector is embedded on the shell; an A / D (Analog to Digital) conversion module, a processing module and a display module are arranged in the shell; the signal collector, the A / D conversion module, the processing module and the display module are sequentially electrically connected; the signal collector consists of a pair of a visible light emitter and a visible light receiver; the visible light emitter is embedded on the side wall of the shell; and the visible light receiver is embedded on the side wall of the shell which is opposite to the visible light emitter. The working principle is as follows: when no medicine powder passes through a space between the visible light emitter and the visible light receiver, the signal of the receiver is strongest; and when the medicine powder passes through the space between the visible light emitter and the visible light receiver, the signal of the receiver becomes weak. According to the inhaled medicine dose detector based on the optical waves, an inhaling flow rate and inhaled medicine dose of a patient can be conveniently and rapidly estimated; and furthermore, no medicine is wasted. And the inhaled medicine dose detector has the advantages of simple structure and convenience in use.

Description

technical field [0001] The invention provides a light wave-based inhalation drug dosage detector. Background technique [0002] Dubo is a revolution in inhalers and one of the best inhalers available. When the patient holds Dubao vertically and rotates it counterclockwise, the medicine powder in the medicine storage pool falls on the metered medicine plate. After the medicine scraper is scraped, the metered medicine will stay in the hole accurately. After rotating the base again, the metered medicine powder will be removed. Rotate to the suction channel. At this time, if the patient inhales hard, the medicine powder will reach the mouthparts through the inhalation channel. There is a special double helix channel in the mouthparts, and the airflow will form a vortex here, so that the medicine powder will collide with each other and be crushed into smaller pieces. The powder was inhaled into the patient's lungs. However, patients cannot accurately record their own use times...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01G17/04G01P5/26
Inventor 马德东鹿洪秀李文培肖伟刘奇迹
Owner SHANDONG UNIV
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