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Device for uniformly mixing anesthetic gas and detecting concentration of anesthetic gas

A technology of anesthetic gas and detection device, which is applied in gas and gas/vapor mixing, measuring device, analyzing gas mixture, etc., can solve the problem of uneven mixing of anesthetic gas, reduce energy consumption, improve detection accuracy, and increase gas contact area effect

Pending Publication Date: 2020-04-10
UNIV OF SHANGHAI FOR SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a device for mixing the anesthetic gas and detecting the concentration of the anesthetic gas to solve the problem of uneven mixing of the anesthetic gas in the existing anesthesia machine. The concentration of the mixed gas in the machine

Method used

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  • Device for uniformly mixing anesthetic gas and detecting concentration of anesthetic gas
  • Device for uniformly mixing anesthetic gas and detecting concentration of anesthetic gas
  • Device for uniformly mixing anesthetic gas and detecting concentration of anesthetic gas

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Embodiment

[0033] refer to Figure 1-Figure 6 , a device for mixing the anesthetic gas and detecting the concentration of the anesthetic gas, including a buffer mixing device and a detection device, the buffer mixing device is connected to the detection device through an airway, and the buffer mixing device is used to receive the anesthesia machine anesthetic gas, and mix the anesthetic gas. The buffer mixing device includes a Y-shaped tube 5, a left helical elbow 7, a right helical elbow 8 and a mixing chamber 9. The entrance of the Y-shaped tube 5 is an anesthetic gas inlet. Gas port 6, the two outlets of the Y-shaped tube 5 are respectively connected to the left helical elbow 7 and the right helical elbow 8, and the mixing chamber 9 includes a left convection chamber 12, a right convection chamber 13 and anesthetic gas Mixing chamber 18, the left convection chamber 12 and the right convection chamber 13 are respectively located on the left and right sides of the anesthetic gas mixing ...

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Abstract

The invention relates to a device for uniformly mixing anesthetic gas and detecting the concentration of the anesthetic gas. The device comprises a buffer mixing device and a detection device; the buffer mixing device is connected with the detection device through an air channel, the buffer mixing device is used for receiving anesthetic gas in the anesthesia machine and mixing the anesthetic gas,and the detection device is used for detecting the concentration of the anesthetic mixed gas coming out of a first anesthetic mixed gas outlet. Compared with the prior art, the gas contact area is increased through the spiral bent pipe, anesthetic gas is further mixed evenly through the convection principle, and the anesthetic drug concentration detection precision is improved. Gas is uniformly mixed by arranging a pure mechanical structure with two gas paths, extra energy does not need to be provided, energy consumption is reduced, and practicability is achieved.

Description

technical field [0001] The invention relates to an anesthetic gas mixing device for an anesthesia machine, in particular to a device for mixing the anesthesia gas and detecting the concentration of the anesthesia gas. Background technique [0002] The anesthesia machine is a very important device in clinical anesthesiology at present, and it is used for general anesthesia, oxygen supply, assisted or controlled breathing and other surgical operations. The anesthesia vaporizer is a key component of the anesthesia machine. Due to the use of powerful inhalation anesthetics, its quality not only marks the level of the anesthesia machine, but also relates to the success or failure of inhalation anesthesia, which directly affects the safety of patients. The detection and control of the concentration of anesthetic drugs is also a topic that clinicians and medical engineers have been paying attention to and studying. [0003] The key component that affects the concentration of anes...

Claims

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Application Information

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IPC IPC(8): G01N33/00B01F3/02B01F5/06A61M16/01A61M16/14B01F23/10
CPCG01N33/0004A61M16/01A61M16/14B01F23/10B01F25/4233B01F25/4331
Inventor 邹任玲曲春鸽周小波李雨辰张俊翔王逸铭胡秀枋赵展徐秀林
Owner UNIV OF SHANGHAI FOR SCI & TECH
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