Inflatable pressure indicating meter

An inflation pressure and indicator technology, applied in the direction of respirators, etc., can solve the problems of high manufacturing cost, high cost, large volume, etc., and achieve the effect of simple structure and low manufacturing cost

Active Publication Date: 2015-11-11
曹赞
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

② A small number of hospitals use special air bag pressure monitoring meters, which are accurate and reliable, but their cost is relatively high
The disadvantages of this type of pressure gauge are: large volume, and made of metal materials, its manufacturing cost is relatively high, and it cannot be used for one-time use, so it cannot be widely used in the medical industry

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] like Figure 1-15 As shown, the air inlet of the airbag 1 is equipped with a one-way valve 8, and the outside air enters the airbag 1 from the one-way valve 8. see Figure 5 , the outer wall of the one-way valve 8 forms an annular groove 8-1, and the inner wall of the lower end of the airbag 1 snaps into the annular groove 8-1. The one-way valve 8 forms a ventilation hole 8-2 longitudinally. The outer port of the ventilation hole 8-2 communicates with the outside world, and the inner port communicates with the air bag 1. The ventilation hole 8-2 is divided into two sections 8-2-1, 8-2 with different inner diameters. 2-2, a section 8-2-1 close to the inner port has a larger diameter, which is the active area of ​​the valve chip, and the upper part of this area is a retaining edge 8-4 with a smaller diameter, which is inserted into the valve chip 8- 5. The diameter of the valve chip 8-5 is larger than the inner diameter of the retaining edge 8-4, the inner diameter of t...

Embodiment 2

[0061] like Figure 16-20 As shown, the appearance of the dial of this embodiment is different from that of Embodiment 1, and other contents of this embodiment can refer to Embodiment 1.

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Abstract

The invention discloses an inflatable pressure indicating meter which comprises a dial plate (4). A telescopic air bag is arranged in the dial plate, and the dial plate (4) is assembled on a meter case (2) in a sealing mode. An inner cavity of the meter case (2) is communicated with the telescopic air bag in the dial plate, the air inlet of the meter case (2) is communicated with the air outlet of the air bag (1) through a first one-way valve (6), and the air inlet of the air bag (1) is provided with a second one-way valve (8). A ventilation hole and a deflating opening are formed in the meter case (2), the ventilation hole is communicated with the inner cavity of the meter case (2) and the outside, and the deflating opening is provided with a deflating valve (5). According to the inflatable pressure indicating meter, a circuit structure is not used for detecting the pressure, and the inflatable pressure indicating meter is simple in structure, low in manufacturing cost, capable of being used in a disposable mode and capable of being widely applied to the medical industry.

Description

technical field [0001] The invention belongs to the technical field of medical equipment manufacturing, and in particular relates to an inflatable pressure indicator. Background technique [0002] Mechanical ventilation is widely used in clinical rescue and treatment of various respiratory failures and in the process of providing anesthesia and postoperative respiratory support. It is a common and effective important measure to save patients' lives, and occupies an important position in modern medicine. However, mechanical ventilation also brings certain risks while giving patients respiratory support, and the complications caused by it cannot be ignored, so airway management is particularly important. Studies have shown that: when the internal pressure of the endotracheal catheter balloon exceeds 2.94kPa, the blood flow of the tracheal mucosa begins to decrease, and when it reaches 3.92kPa, it can lead to ischemic damage to the tracheal mucosa; Avoid the occurrence of aspi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M16/00
Inventor 曹赞
Owner 曹赞
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