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One-way breathing structure of anesthesia respirator

A ventilator, one-way technology, applied in the direction of the ventilator, etc., can solve the problem of valve port adhesion

Inactive Publication Date: 2018-03-09
BEIJING AEROSPACE CHANGFENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a new type of one-way breathing structure of an anesthesia ventilator to solve the problem of valve port adhesion in view of the problems existing in the current products

Method used

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  • One-way breathing structure of anesthesia respirator
  • One-way breathing structure of anesthesia respirator

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Embodiment Construction

[0009] Such as figure 1 As shown, the present invention includes a valve plate, the valve plate includes a cylindrical body 1 with a sealed upper end and an open lower end, and an annular flange with a diameter larger than the diameter of the cylindrical body is provided on the periphery of the lower end opening of the cylindrical body 1 2. A spiral vent 3 is provided on the wall of the cylinder.

[0010] When the present invention is implemented, the overall structure of the valve plate is made of medical rubber, which has sufficient elasticity. When there is no ventilation, the air vent on the valve plate is in a naturally closed state.

[0011] Such as figure 2 Shown, the present invention is installed on a valve seat 4 when in use, when along figure 1 When the direction of the middle arrow is positively ventilated, the airflow pushes the valve plate upwards, the cylinder of the valve plate stretches upwards, the air port 3 is opened, and the air flow passes through the ...

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Abstract

The invention relates to an one-way breathing structure of an anesthesia respirator. The structure comprises a valve piece, the valve piece comprises a cylindrical body, the upper end of the cylindrical body is sealed and the lower end of the cylindrical body is open. An annular flange the diameter of which is greater than the diameter of the cylindrical body is arranged at the periphery of the lower opening of the cylindrical body, helical ventilation holes are form in the wall of the cylindrical body.

Description

technical field [0001] The invention belongs to the technical field of medical equipment manufacturing, and relates to a breathing control part of a medical anesthesia machine, in particular to a one-way breathing structure of an anesthesia breathing machine. Background technique [0002] In the anesthesia breathing system, it is necessary to control the airflow direction of the patient's inhalation and exhalation, and the expiratory channel is closed when inhaling, and vice versa. The traditional implementation method is to set a one-way valve on the ventilation pipe, and set an elastic valve plate at the valve port. The valve plate is made of metal steel sheet or plastic sheet. When the flow is reversed, push down the valve plate to close the valve port, so as to realize the one-way flow of air flow. However, in actual use, due to the moisture contained in the gas, the moisture will condense on the valve plate or the valve port, and the valve plate will stick to the valve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M16/20A61M16/01
CPCA61M16/208A61M16/01
Inventor 尚宇驰刘艳辉刁俊
Owner BEIJING AEROSPACE CHANGFENG CO LTD
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