Ventilator

A ventilator and airbag technology, applied in the field of respiratory system, can solve the problems of high cost of oxygen supplement, inconvenient use, and inability to supply at any time, and achieve the effect of convenient use and simple operation

Active Publication Date: 2022-07-12
ANHUI XIAOSHAN MEDICAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved by the present invention is: how to solve the problems of high cost of oxygen supplementation, inability to supply at any time, and inconvenient use of ordinary ventilators in the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] like figure 1 As shown, the ventilator includes a first air bag 1 and a second air bag 2 whose internal space can be expanded and contracted, a valve group, a molecular sieve tank 4, an oxygen storage tank 5, an air-oxygen mixer 6, and a mask-integrated air leak valve 7;

[0037]The first airbag 1 has an air inlet and an air outlet, the air inlet is provided with a first one-way valve 11 , and the air outlet is provided with a third one-way valve 12 , and the first airbag 1 is mixed with air and oxygen through the third one-way valve 12 The air-oxygen mixer 6 is connected to the air-oxygen mixer 6, which mixes the oxygen from the oxygen storage tank 5 and the air from the first air bag 1. The air-oxygen mixer 6 is connected to the humidifier 8 through the second one-way throttle valve 61. The humidifier 8 8 is connected to the integrated air leakage valve 7 of the mask, and the air-oxygen mixer 6 is provided with an overflow valve 62 to ensure the safety of exhalation. ...

Embodiment 2

[0055] like Figure 5 As shown, the difference between this embodiment and the first embodiment is that the number of molecular sieve tanks 4 is different:

[0056] In this embodiment, there are two molecular sieve tanks 4, correspondingly, there are two two-position two-way linkage one-way pressure valves 3, and two throttle valves 41; and one one-position two-way switching valve 42 is also included. After the second air bag 2 is connected to the one-position two-way switching valve 42, it is respectively connected to two two-position two-way linkage one-way pressure valves 3, and the two-way linkage one-way pressure valve 3 is both connected to a molecular sieve tank 4, and the top of the molecular sieve tank 4 is connected to a joint The throttle valve 41 and the two throttle valves 41 are both connected to the oxygen storage tank 5 .

[0057] like Figure 6(a) , 6(b) As shown, the one-position two-way switching valve 42 includes a touch rod 421, a return spring 422, a o...

Embodiment 3

[0067] like Figure 8 , Figure 9 As shown, the difference between this embodiment and the first embodiment is that the driving mode of the pressing plate 9 is different.

[0068] In this embodiment, the outside of the pressing plate 9 has a second rack 91 , and further includes a fixed drive gear 92 , and the second rack 91 meshes with the drive gear 92 .

[0069] like Figure 8 As shown, the driving gear 92 rotates clockwise, which drives the pressing plate 9 to move to the right, compresses the second air bag 2, and expands the first air bag 1; Figure 9 As shown, the driving gear 92 rotates counterclockwise, which drives the pressing plate 9 to move leftward, compresses the first air bag 1 and expands the second air bag 2 .

[0070] In addition to the above-mentioned way of realizing the left and right movement of the pressing plate 9 by means of gear meshing, it can also be realized by mechanical structures such as chains, belts, and reciprocating screws.

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Abstract

The invention discloses a ventilator, comprising a first air bag and a second air bag, a valve group, one or more molecular sieve tanks, an oxygen storage tank, an air-oxygen mixer, and an integrated air leakage valve of a mask; The pressure plate, the air outlet of the second air bag is connected with the molecular sieve tank, the two ends of the molecular sieve tank are respectively provided with a nitrogen discharge port and an oxygen discharge port, the oxygen discharge port is connected with the oxygen storage tank, and the inner space of the second air bag is compressed and expanded once with the molecular sieve tank in the molecular sieve tank. The adsorption and desorption are synchronized once; the air outlet of the first air bag is connected to the air-oxygen mixer, and the air-oxygen mixer is connected to the integrated air leakage valve of the mask. The beneficial effects of the present invention: the extremely low cost is added to the ordinary ventilator, so that the ventilator is equipped with an oxygen production function, the device can add a certain amount of oxygen at any time, and can also work without electricity under special conditions, It solves the emergency or low-cost needs of some users who need to inhale rich oxygen.

Description

technical field [0001] The present invention relates to a breathing system, in particular to a breathing machine. Background technique [0002] A ventilator is a vital medical device that can prevent and treat respiratory failure, reduce complications, and save and prolong the lives of patients. However, ordinary ventilators only help people to ventilate and breathe spontaneously, and they do not have the function of oxygen production. , and some patients, such as COPD patients, have carbon dioxide retention, they need to use a ventilator to excrete carbon dioxide, and at the same time need additional oxygen to supplement the body's oxygen saturation; for patients with severe lung failure, there is no way to give the body The internal tissue cells supply enough oxygen for metabolism, and a certain concentration of oxygen needs to be added while using the ventilator. [0003] Since the advent of pressure swing adsorption (PSA) as a gas separation technology, it has attracted...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M16/00A61M16/10A61M16/12A61M16/20C01B13/02
CPCA61M16/00A61M16/0078A61M16/1005A61M16/125A61M16/201A61M16/208C01B13/0262C01B2210/0046C01B2210/0028
Inventor 雷激
Owner ANHUI XIAOSHAN MEDICAL TECH CO LTD
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