Measuring device and measuring method for inhalation anesthetic
An anesthetic and meter technology, applied in the field of medical anesthesia, can solve the problems of difficulty in metering gaseous anesthetics, inability to record dynamic data, quantitative errors, etc., to ensure the safety of anesthesia, ensure accuracy, and avoid side effects.
Active Publication Date: 2021-06-25
ZHEJIANG PROVINCIAL HOSPITAL OF TRADITIONAL CHINESE MEDICINE
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Problems solved by technology
[0004] However, gaseous anesthetics are difficult to measure in use
On the one hand, because gaseous anesthetics are usually compressed into liquids during storage to save space, and are only vaporized during use, the transfer of liquid anesthetics and gaseous anesthetics will cause quantitative errors
On the other hand, the theoretical formula for calculating the amount of anesthetic in the prior art is: consumed inhaled anesthetic amount=fresh gas flow rate (ml) × scale of the volatilizer × inhalation time (min) ÷ liquid per milliliter of inhaled anesthetic The amount of steam generated; in actual work, the anesthesiologist will adjust the fresh air flow (ml) and the scale of the evaporator according to the required anesthesia depth at any time. Current clinical technology cannot record dynamic data, and it is difficult to use formulas to calculate
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[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0036] see figure 1 , figure 1 It is a schematic diagram of the overall structure of the present invention.
[0037] An inhalation-type anesthetic meter includes a controller, a liquid storage tank 1, a flow guide mechanism and a gasification bottle 13.
[0038] The controller is electrically connected with a switch control module, a first driving module, a second driving module, a third driving module and a timing module.
[0039] The liquid storage tank 1...
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The invention provides an inhalation anesthetic meter and a metering method. The inhalation anesthetic meter includes a controller, a liquid storage tank, a diversion mechanism and a gasification bottle; the controller is electrically connected with a switch control module, a first drive module, The second drive module, the third drive module and the timing module; the liquid storage tank is connected with a liquid suction pipe through a liquid suction pump, and the liquid suction pump is electrically connected to the switch control module; One end of the flow tank is connected with the pumping pipe, the movable tank is connected with the flow tank, the movable rod is slidingly arranged in the movable tank, the movable rod is fixedly connected with the extrusion head, and the other end of the movable rod is sequentially fixedly connected with the first A push mechanism; the gasification bottle is connected with the other end of the flow tank, the upper part of the gasification bottle is connected with an air outlet pipe, and a first piston and a second piston are arranged in the gasification bottle to move up and down. The quantitative supply device and method of the present invention can accurately measure the usage amount of the inhaled anesthetic.
Description
technical field [0001] The invention relates to the technical field of medical anesthesia, in particular to an inhalation anesthetic meter and a metering method. Background technique [0002] Inhaled anesthetics are sent into the patient's lungs in the form of steam or gas through a certain device (such as a volatilizer), enter the blood circulation through the alveoli, and reach the central nervous system to produce general anesthesia. In the process of sending the anesthetic gas into the patient's alveoli, oxygen is usually required, and the anesthetic gas volatilized from the volatilizer is sent to the patient's alveoli through the air flow of oxygen. [0003] Inhalation of anesthetic gas will produce dose-dependent side effects, such as blood loss in important organs, and in severe cases, organ function will be affected. Therefore, in order to ensure patient safety, it is very important to obtain the patient's inhaled anesthetic dosage immediately in clinical practice. ...
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IPC IPC(8): A61M16/01A61M16/00A61M16/18
Inventor 孙华琴梁哲浩胡弘毅吴可人陶涛郭小文
Owner ZHEJIANG PROVINCIAL HOSPITAL OF TRADITIONAL CHINESE MEDICINE