High-precision anesthetic gas flow regulation and control system

Abstract

The utility model discloses a high-precision anesthetic gas flow regulation and control system, which relates to the technical field of medical instruments and comprises a plurality of groups of gas supply mechanisms, each group of gas supply mechanisms is used for independently conveying gas for generating anesthetic gas; the air supply mechanism comprises a first through pipe, a flow meter and a proportional valve; the plurality of groups of air supply mechanisms are correspondingly provided with a plurality of groups of first through pipes; the coarse mixing assembly is used for preliminarily mixing various gases to form anesthetic gas; the gas distribution assembly is used for uniformly distributing the primarily mixed anesthetic gas; the fine mixing assembly is used for mixing the uniformly distributed and mixed anesthetic gas again and then discharging the anesthetic gas; the anesthetic gas mixing device has the advantages that the coarse mixing assembly, the gas distributing assembly and the fine mixing assembly are adopted for mixing gas in the gas supply mechanisms to form high-precision uniform anesthetic gas, only structural material components added at a time need to be adopted for application, safety is good, and continuous energy consumption is not needed.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and more specifically to a high-precision anesthetic gas flow control system. Background Technology

[0002] Medical gas anesthesia refers to inducing a patient into an unconscious state by inhaling a mixture of gases containing anesthetic agents, so that surgery or other medical procedures can be performed. This method of anesthesia is one of the commonly used anesthetic techniques in modern medicine, and it has the advantages of rapid onset and good controllability.

[0003] During anesthesia, multiple gases need to be transported and mixed before they can be used as anesthetic gases. Commonly used anesthetic gases include oxygen, air, and one or more inhaled anesthetics (such as isoflurane, sevoflurane, etc.). Sometimes nitrous oxide is also used as an auxiliary gas. The delivery of these gases requires precise control.

[0004] The gas delivery method, as described in application number CN201820397597.1, "An Anesthesiology Concentration Adjustable Anesthesia Device," employs a controller to adjust the ratio of oxygen and anesthetic gas, facilitating concentration adjustment. The heating plate and spherical volumetric device accelerate the movement of gas molecules, ensuring uniform mixing of oxygen and anesthetic gas (improved uniformity enhances anesthetic effect and reduces side effects), thus improving the anesthetic outcome.

[0005] However, this method of improving gas mixing uniformity requires heating, which is less safe, and also has the disadvantage of energy consumption. Utility Model Content

[0006] The purpose of this invention is to provide a high-precision anesthetic gas flow control system in order to solve the above-mentioned technical problems.

[0007] To achieve the above objectives, this utility model specifically adopts the following technical solution:

[0008] This utility model proposes a high-precision anesthetic gas flow control system, comprising:

[0009] Multiple gas supply units, each of which separately supplies gas for generating anesthetic gas;

[0010] The gas supply mechanism includes a first conduit and a flow meter and a proportional valve that are connected and fixed between the first conduits in sequence;

[0011] The gas supplied by the multiple gas supply mechanisms are all different, and the multiple gas supply mechanisms are equipped with multiple sets of first passage pipes.

[0012] It also includes a coarse mixing component, which connects to the outlet of multiple sets of first tubes for preliminary mixing of various gases to form anesthetic gas;

[0013] The gas distribution component, which is connected to the discharge end of the coarse mixing component, is used to uniformly distribute the initially mixed anesthetic gas.

[0014] The fine mixing component, which is connected to the outlet end of the gas distribution component, is used to remix the uniformly distributed anesthetic gas before discharging it.

[0015] As a preferred technical solution of this utility model, the coarse mixing component includes a first column shell, a first collecting hopper and a first discharge pipe that are connected and fixed in sequence, and the discharge ends of multiple sets of first pipes are evenly distributed and connected and fixed around the periphery of the first column shell.

[0016] As a preferred technical solution of this utility model, the cavity of the first collecting hopper gradually decreases in the direction away from the first column shell.

[0017] As a preferred technical solution of this utility model, the gas distribution component is a set of multiple distribution pipes, and one end of each set of distribution pipes is evenly distributed at the bottom end of the first discharge pipe.

[0018] As a preferred technical solution of this utility model, the fine mixing component includes a second column shell, a second collecting hopper and a second discharge pipe that are connected and fixed in sequence, and the other end of multiple sets of diverting pipes are evenly distributed and connected and fixed around the second column shell.

[0019] As a preferred embodiment of this invention, the cavity of the second collecting hopper gradually decreases in the direction away from the second column shell.

[0020] The beneficial effects of this utility model are as follows:

[0021] By employing coarse mixing components, gas distribution components, and fine mixing components to mix the gases in multiple gas supply mechanisms to form a high-precision and uniform anesthetic gas, only one-time addition of structural material components is required for application, which is safe and does not require continuous energy consumption. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of this utility model;

[0023] Figure 2 yes Figure 1 A partial structural schematic diagram of its top-view cross-section;

[0024] Figure 3 yes Figure 1 A partial structural schematic diagram of another top-view cross-section.

[0025] Reference numerals in the attached drawings: gas supply mechanism-1, coarse mixing component-2, gas distribution component-3, fine mixing component-4, first connecting pipe-11, flow meter-12, proportional valve-13, first column housing-21, first collecting hopper-22, first discharge pipe-23, second column housing-41, second collecting hopper-42, second discharge pipe-43. Detailed Implementation

[0026] like Figures 1-3 As shown, this utility model proposes: a high-precision anesthetic gas flow control system, comprising;

[0027] Multiple gas supply mechanisms 1, each of which separately supplies gas for generating anesthetic gas, are arranged in a sequence from left to right.

[0028] The gas supply mechanism 1 includes a first pipe 11, and a flow meter 12 and a proportional valve 13 that are connected and fixed between the first pipe 11 in sequence. The gas to be mixed is introduced from the top of the first pipe 11 and transported downward. During the transport process, the gas passes through the flow meter 12 and the proportional valve 13 in sequence to control the amount of gas transported.

[0029] When the proportional valve 13 is a proportional solenoid valve and the flow meter 12 is electrically controlled, it also includes a controller (not shown in the figure) that is electrically connected to an external power source to supply power to the flow meter 12 and the proportional valve 13.

[0030] The gas supplied by the multiple gas supply mechanisms 1 are all different, and the multiple gas supply mechanisms 1 supply different gases in a quantitative manner from top to bottom.

[0031] Each gas supply mechanism 1 has a corresponding set of first pipes 11. According to the above, each gas supply mechanism 1 has a structure of first pipes 11, that is, it has multiple sets of first pipes 11.

[0032] It also includes a coarse mixing component 2, which is connected to the discharge end of multiple sets of first pipes 11, for the preliminary mixing of various gases to form anesthetic gas. The coarse mixing component 2 is made of polyvinyl chloride (PVC).

[0033] The specific implementation structure of the coarse mixing component 2 is shown below:

[0034] The coarse mixing component 2 includes a first cylindrical shell 21, a first collecting hopper 22 and a first discharge pipe 23 that are connected and fixed in sequence. The discharge ends of multiple sets of first connecting pipes 11 are evenly distributed and connected and fixed around the first cylindrical shell 21. The first cylindrical shell 21, the first collecting hopper 22 and the first discharge pipe 23 are connected and fixed in sequence from top to bottom.

[0035] When the coarse mixing component 2 is used: the bottom end of the first connecting pipe 11 is connected and fixed at the periphery of the first column shell 21, and multiple sets of first connecting pipes 11 are combined according to the type of gas being transported. Figure 2 The annular distribution shown is used to impact and mix various gases toward the interior of the first column shell 21 to form a preliminary mixed anesthetic gas, which then flows sequentially into the first collecting hopper 22 and the first discharge pipe 23.

[0036] The cavity of the first collecting hopper 22 gradually decreases in size as it moves away from the first column shell 21, which can provide a collecting effect and concentrate the anesthetic gas in the first column shell 21 to the first discharge pipe 23.

[0037] Gas distribution component 3 is connected to the discharge end of coarse mixing component 2 and is used to uniformly distribute the initially mixed anesthetic gas. The gas distribution component 3 is made of polyvinyl chloride (PVC).

[0038] The specific implementation structure of the gas distribution component 3 is shown below:

[0039] The gas distribution assembly 3 consists of multiple sets of distribution pipes, with one end of each set of distribution pipes evenly distributed at the bottom end of the first discharge pipe 23.

[0040] When the coarse mixing component 2 is used: the bottom end of the first discharge pipe 23 is closed, or when the ends of multiple sets of diverter pipes are evenly distributed at the bottom end of the first discharge pipe 23, the bottom end of the first discharge pipe 23 is only connected to the diverter pipes, so as to evenly divert the gas in the first discharge pipe 23.

[0041] The fine mixing component 4 is connected to the discharge end of the gas distribution component 3 and is used to remix the uniformly distributed anesthetic gas before discharge. The fine mixing component 4 is made of polyvinyl chloride (PVC).

[0042] The specific implementation structure of the fine mixing component 4 is shown below:

[0043] The fine mixing component 4 includes a second column shell 41, a second collecting hopper 42, and a second discharge pipe 43 that are connected and fixed in sequence. The other end of multiple sets of diverter pipes are evenly distributed and connected and fixed around the second column shell 41. The second column shell 41, the second collecting hopper 42, and the second discharge pipe 43 are connected and fixed in sequence from top to bottom.

[0044] When this fine mixing component 4 is used: the bottom end of the split pipe is connected and fixed at the periphery of the second column housing 41, and multiple sets of split pipes are combined. Figure 3 The annular distribution shown is used to impact and mix various gases into the interior of the second column shell 41, thereby further mixing the initially mixed anesthetic gases to improve uniformity. After mixing, the gases are then discharged sequentially into the second collecting hopper 42 and the second discharge pipe 43.

[0045] The cavity of the second collecting hopper 42 gradually decreases in the direction away from the second column shell 41, which can provide a collecting effect and concentrate the anesthetic gas in the second column shell 41 to the second discharge tube 43.

[0046] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0047] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A high-precision anesthetic gas flow control system, comprising: Multiple gas supply units (1), each of which separately supplies gas for generating anesthetic gas; The gas supply mechanism (1) includes a first pipe (11), and a flow meter (12) and a proportional valve (13) that are connected and fixed between the first pipes (11) in sequence. Its features are, The gas supplied by the multiple gas supply mechanisms (1) are all different, and the multiple gas supply mechanisms (1) are provided with multiple sets of first pipes (11). It also includes a coarse mixing component (2), which is connected to the discharge end of multiple sets of first tubes (11) for preliminary mixing of various gases to form anesthetic gas; The gas distribution component (3) is connected to the discharge end of the coarse mixing component (2) and is used to uniformly distribute the initially mixed anesthetic gas. The fine mixing component (4), which is connected to the discharge end of the gas distribution component (3), is used to re-mix the uniformly distributed mixed anesthetic gas before discharge.

2. The high-precision anesthetic gas flow control system according to claim 1, characterized in that, The coarse mixing component (2) includes a first cylindrical shell (21), a first collecting hopper (22) and a first discharge pipe (23) that are connected and fixed in sequence. The discharge ends of multiple sets of first connecting pipes (11) are evenly distributed and connected and fixed around the first cylindrical shell (21).

3. The high-precision anesthetic gas flow control system according to claim 2, characterized in that, The cavity of the first flow bucket (22) gradually decreases in the direction away from the first column shell (21).

4. The high-precision anesthetic gas flow control system according to claim 3, characterized in that, The gas distribution assembly (3) consists of multiple sets of distribution pipes, with one end of each set of distribution pipes evenly distributed at the bottom of the first discharge pipe (23).

5. A high-precision anesthetic gas flow control system according to claim 4, characterized in that, The fine mixing component (4) includes a second column shell (41), a second collection hopper (42), and a second discharge pipe (43) that are connected and fixed in sequence. The other end of the multiple sets of diversion pipes are evenly distributed and connected and fixed around the second column shell (41).

6. A high-precision anesthetic gas flow control system according to claim 5, characterized in that, The cavity of the second flow bucket (42) gradually decreases in the direction away from the second column shell (41).

Images