CN203710503U - Gas supply system of anesthesia machine - Google Patents
Gas supply system of anesthesia machine Download PDFInfo
- Publication number
- CN203710503U CN203710503U CN201420063325.XU CN201420063325U CN203710503U CN 203710503 U CN203710503 U CN 203710503U CN 201420063325 U CN201420063325 U CN 201420063325U CN 203710503 U CN203710503 U CN 203710503U
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- CN
- China
- Prior art keywords
- oxygen
- branch road
- laughing gas
- control
- fail safe
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Abstract
The utility model relates to a medical instrument for the department of neurology, in particular to a gas supply system of an anesthesia machine. The gas supply system comprises an air supply branch, a laughing gas supply branch, an oxygen gas supply branch and a proportion detector, wherein the proportion detector is electrically connected with an alarm, each oxygen gas invalidation protector comprises a main body, a piston, a control rod, a plug, a spring and a control pipeline, a control cavity is formed on each main body and is communicated with the corresponding control pipeline, each piston is arranged on the corresponding control cavity, one end of each control rod is fixedly connected with the corresponding piston, the other end of each control rod is fixedly connected with the corresponding plug, and the control pipeline of the first oxygen gas invalidation protector and the control pipeline of the second oxygen gas invalidation protector are both connected to an oxygen gas switch and an oxygen gas flow regulating valve. The medical instrument is safe and convenient to use, convenient to record and lower in cost, the medical accident caused by untimely discovery of failure of the oxygen gas supply branch is effectively avoided due to the double-guarantee of the proportion detector and the oxygen gas invalidation protectors, and a certain beneficial effect is generated.
Description
Technical field
This utility model relates to department of neurology medical apparatus and instruments, especially a kind of gas supply system of anesthetic machine.
Background technology
Anesthesia is as a kind of medical procedure, more and more be familiar with by medical profession and use, inhalation anesthesia is the alveolar of by mechanical circuit, anesthetics being sent into patient, form anesthetics partial pressure, permeate into after blood, directly be there is to inhibitory action in central nervous system, thereby produce the effect of general anesthesia.The basic structure of anesthetic machine is divided into base component and safety device two large divisions.It is the important composition of anesthetic machine base component that the gas supply part of anesthetic machine divides, and the gas supply part of existing anesthetic machine divides or safety failure poor performance simple in structure, or complex structure, operation inconvenience, and cost is high.
Utility model content
This utility model is intended to address the above problem; a kind of gas supply system of anesthetic machine is provided; it is safe and convenient to use, facilitate record; cost is lower; the malpractice causing not in time due to discovery when thering is ratio mirror device processed and oxygen fail safe device double insurance and can effectively avoiding oxygen to supply with branch road breaking down, its technical scheme adopting is as follows:
A gas supply system for anesthetic machine, comprising:
Air supply branch road, it is mainly connected and forms successively from left to right with airflow meter by air line joint, check valve, the first oxygen fail safe device, air flow rate adjustment valve, antivibrator, is provided with the Pressure gauge that detects air supply branch road pressure between described air line joint and check valve;
Laughing gas is supplied with branch road, it is mainly connected and forms successively from left to right with laughing gas flow meter by laughing gas pipe joint, check valve, the second oxygen fail safe device, laughing gas flow control valve, antivibrator, is provided with the Pressure gauge that detects laughing gas supply branch road pressure between described laughing gas pipe joint and check valve;
Oxygen is supplied with branch road, it is mainly connected and forms successively from left to right by oxygen pipeline joint, check valve, oxygen switch, oxygen flow rate adjusting valve, antivibrator and oxygen flowmeter, is provided with the Pressure gauge that detects oxygen supply branch road pressure between described oxygen pipeline joint and check valve;
The ratio mirror device processed that detects oxygen and laughing gas concentration ratio, its one end is connected in laughing gas and supplies with between the laughing gas flow control valve and antivibrator of branch road, and the other end is connected in oxygen and supplies with between the oxygen flow rate adjusting valve and antivibrator of branch road;
The outfan of described air supply branch road, laughing gas are supplied with the outfan of branch road and oxygen, and to supply with the outfan of branch road parallel with one another and be connected with main air delivering pipeline;
Described the first oxygen fail safe device comprises: the plug of closed air delivering pipeline, spring and control piper under main body, piston, control stick, normality, in described main body, offer control chamber, described control chamber is connected with control piper, described piston is arranged in control chamber, described control stick one end and piston are affixed, the other end and plug Joint; Described plug is arranged in air delivering pipeline, and described spring is positioned at plug below;
Described the second oxygen fail safe device is identical with the first oxygen fail safe device structure, and the input of the control piper of the control piper of described the first oxygen fail safe device and the second oxygen fail safe device is all connected in oxygen and supplies with between the oxygen switch and oxygen flow rate adjusting valve of branch road.
On technique scheme basis, also comprise alarm, described ratio mirror device processed is electrically connected with alarm.
On technique scheme basis, the specification of described air line joint, laughing gas pipe joint and oxygen pipeline joint is all not identical.
The utlity model has following advantage: safe and convenient to use, facilitate record, cost is lower, the malpractice causing not in time due to discovery when thering is ratio mirror device processed and oxygen fail safe device double insurance and can effectively avoiding oxygen to supply with branch road breaking down.
Brief description of the drawings
Fig. 1: structural representation of the present utility model;
Fig. 2: the cross-sectional view of the first oxygen fail safe device described in the utility model;
Detailed description of the invention
Below in conjunction with accompanying drawing and example, the utility model is described in further detail:
As depicted in figs. 1 and 2, the gas supply system of a kind of anesthetic machine of the present embodiment, comprising:
Air supply branch road 100, it is mainly connected and forms successively from left to right with airflow meter 60 by air line joint 1, check valve 20, the first oxygen fail safe device 30, air flow rate adjustment valve 40, antivibrator 50, is provided with the Pressure gauge 10 that detects air supply branch road 100 pressure between described air line joint 1 and check valve 20;
Laughing gas is supplied with branch road 200, it is mainly connected and forms successively from left to right with laughing gas flow meter 61 by laughing gas pipe joint 2, check valve 20, the second oxygen fail safe device 31, laughing gas flow control valve 41, antivibrator 50, is provided with the Pressure gauge 10 that detects laughing gas supply branch road 200 pressure between described laughing gas pipe joint 2 and check valve 20;
Oxygen is supplied with branch road 300, it is mainly connected and forms successively from left to right by oxygen pipeline joint 3, check valve 20, oxygen switch 90, oxygen flow rate adjusting valve 42, antivibrator 50 and oxygen flowmeter 62, is provided with the Pressure gauge 10 that detects oxygen supply branch road 300 pressure between described oxygen pipeline joint 3 and check valve 20;
The ratio mirror device 70 processed that detects oxygen and laughing gas concentration ratio, its one end is connected in laughing gas and supplies with between the laughing gas flow control valve 41 and antivibrator 50 of branch road 200, and the other end is connected in oxygen and supplies with between the oxygen flow rate adjusting valve 42 and antivibrator 50 of branch road 300;
The outfan of described air supply branch road 100, laughing gas are supplied with the outfan of branch road 200 and oxygen, and to supply with the outfan of branch road 300 parallel with one another and be connected with main air delivering pipeline 500;
Described the first oxygen fail safe device 30 comprises: the plug 307 of closed air delivering pipeline 303, spring 308 and control piper 304 under main body 301, piston 305, control stick 306, normality, in described main body 301, offer control chamber 302, described control chamber 302 is connected with control piper 304, described piston 305 is arranged in control chamber 302, described control stick 306 one end and piston 305 are affixed, the other end and plug 307 Joints; Described plug 307 is arranged in air delivering pipeline 303, and described spring 308 is positioned at plug 307 belows;
Described the second oxygen fail safe device 31 is identical with the first oxygen fail safe device 30 structures, and the input of the control piper 304 of the control piper 304 of described the first oxygen fail safe device 30 and the second oxygen fail safe device 31 is all connected in oxygen and supplies with between the oxygen switch 90 and oxygen flow rate adjusting valve 42 of branch road 300.
The second oxygen fail safe device 31 and the first oxygen fail safe device 30 can be avoided supplying with branch road 300 while breaking down at oxygen, and air supply branch road 100 or laughing gas are supplied with branch road 200 and continued to open and cause oxygen concentration deficiency, and malpractice occurs.
Preferably, also comprise alarm 80, described ratio mirror device 70 processed is electrically connected with alarm 80, and in the time that the concentration ratio of oxygen and laughing gas does not meet safety requirements, ratio mirror device 70 action control alarms 80 processed give the alarm.
Preferably, the specification of described air line joint 1, laughing gas pipe joint 2 and oxygen pipeline joint 3 is all not identical, can prevent the problem of misconnection.
This utility model is not limited to above-mentioned specific embodiment, and all any changes of doing based on this utility model or modification all belong to the claimed scope of this utility model.
Claims (3)
1. a gas supply system for anesthetic machine, is characterized in that, comprising:
Air supply branch road (100), it is mainly connected and forms successively from left to right with airflow meter (60) by air line joint (1), check valve (20), the first oxygen fail safe device (30), air flow rate adjustment valve (40), antivibrator (50), is provided with the Pressure gauge (10) that detects air supply branch road (100) pressure between described air line joint (1) and check valve (20);
Laughing gas is supplied with branch road (200), it is mainly connected and forms successively from left to right with laughing gas flow meter (61) by laughing gas pipe joint (2), check valve (20), the second oxygen fail safe device (31), laughing gas flow control valve (41), antivibrator (50), is provided with the Pressure gauge (10) that detects laughing gas supply branch road (200) pressure between described laughing gas pipe joint (2) and check valve (20);
Oxygen is supplied with branch road (300), it is mainly connected and forms successively from left to right by oxygen pipeline joint (3), check valve (20), oxygen switch (90), oxygen flow rate adjusting valve (42), antivibrator (50) and oxygen flowmeter (62), is provided with the Pressure gauge (10) that detects oxygen supply branch road (300) pressure between described oxygen pipeline joint (3) and check valve (20);
Detect the ratio mirror device processed (70) of oxygen and laughing gas concentration ratio, its one end is connected in laughing gas and supplies with between the laughing gas flow control valve (41) and antivibrator (50) of branch road (200), and the other end is connected in oxygen and supplies with between the oxygen flow rate adjusting valve (42) and antivibrator (50) of branch road (300);
The outfan of described air supply branch road (100), laughing gas are supplied with the outfan of branch road (200) and oxygen, and to supply with the outfan of branch road (300) parallel with one another and be connected with main air delivering pipeline (500);
Described the first oxygen fail safe device (30) comprising: the plug (307) of closed air delivering pipeline (303), spring (308) and control piper (304) under main body (301), piston (305), control stick (306), normality, in described main body (301), offer control chamber (302), described control chamber (302) is connected with control piper (304), described piston (305) is arranged in control chamber (302), described control stick (306) one end and piston (305) are affixed, the other end and plug (307) Joint; Described plug (307) is arranged in air delivering pipeline (303), and described spring (308) is positioned at plug (307) below;
Described the second oxygen fail safe device (31) is identical with the first oxygen fail safe device (30) structure, and the input of the control piper (304) of the control piper (304) of described the first oxygen fail safe device (30) and the second oxygen fail safe device (31) is all connected in oxygen and supplies with between the oxygen switch (90) and oxygen flow rate adjusting valve (42) of branch road (300).
2. the gas supply system of a kind of anesthetic machine according to claim 1, is characterized in that: also comprise alarm (80), described ratio mirror device processed (70) is electrically connected with alarm (80).
3. the gas supply system of a kind of anesthetic machine according to claim 1 and 2, is characterized in that: the specification of described air line joint (1), laughing gas pipe joint (2) and oxygen pipeline joint (3) is all not identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420063325.XU CN203710503U (en) | 2014-02-12 | 2014-02-12 | Gas supply system of anesthesia machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420063325.XU CN203710503U (en) | 2014-02-12 | 2014-02-12 | Gas supply system of anesthesia machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203710503U true CN203710503U (en) | 2014-07-16 |
Family
ID=51149707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420063325.XU Expired - Fee Related CN203710503U (en) | 2014-02-12 | 2014-02-12 | Gas supply system of anesthesia machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203710503U (en) |
-
2014
- 2014-02-12 CN CN201420063325.XU patent/CN203710503U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20150212 |
|
| EXPY | Termination of patent right or utility model |