CN203710502U - Gas supply system - Google Patents
Gas supply system Download PDFInfo
- Publication number
- CN203710502U CN203710502U CN201420062856.7U CN201420062856U CN203710502U CN 203710502 U CN203710502 U CN 203710502U CN 201420062856 U CN201420062856 U CN 201420062856U CN 203710502 U CN203710502 U CN 203710502U
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- China
- Prior art keywords
- oxygen
- branch road
- supply branch
- control
- fail safe
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- Respiratory Apparatuses And Protective Means (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
The utility model relates to the field of medical instruments, in particular to a gas supply system of an aspiration anesthesia machine. The gas supply system comprises an air supply branch pipeline, a laughing gas supply branch pipeline, an oxygen supply branch pipeline and an emergency oxygen supply branch pipeline; each oxygen failure protector comprises a main body, a piston, a control rod, a plug, a spring and a control pipeline, the main body is provided with a control cavity communicated with the control pipeline, the piston is arranged in the control cavity, one end of the control rod is fixedly connected with the piston, and the other end of the control rod is fixedly connected with the plug; the control pipeline of the first oxygen failure protector and that of the second oxygen failure protector are both connected between an oxygen switch and an oxygen flow regulating valve. The gas supply system is safe and convenient to use, convenient to record and lower in cost, due to the dual insurances of the emergency oxygen supply branch pipeline and the oxygen failure protectors, the medical accident caused by the fact that a fault of the oxygen supply branch pipeline is not timely found out is avoided, and certain beneficial effect is generated.
Description
Technical field
This utility model relates to medical instruments field, especially a kind of gas supply system of suction type anaesthetic 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 is provided; it is safe and convenient to use, facilitate record; cost is lower; have oxygen fail safe device can effectively avoid oxygen supply with branch road while breaking down due to the malpractice of finding to cause not in time, its technical scheme adopting is as follows:
A kind of gas supply system, 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;
Emergency Oxygen Supply branch road, is provided with push switch on it, the input of described Emergency Oxygen Supply branch road is parallel to oxygen and supplies with between the check valve and oxygen switch 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, 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, when thering is Emergency Oxygen Supply branch road and oxygen fail safe device double insurance and can effectively avoiding oxygen to supply with branch road breaking down due to the malpractice of finding to cause not in time.
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, a kind of gas supply system 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;
Emergency Oxygen Supply branch road 400, push switch 91 is installed on it, the input of described Emergency Oxygen Supply branch road 400 is parallel to oxygen and supplies with between the check valve 20 and oxygen switch 90 of branch road 300, Emergency Oxygen Supply branch road 400 can be in the time that oxygen be supplied with branch road 300 and is broken down, and opens Emergency Oxygen Supply branch road 400 patient is carried out to Emergency Oxygen Supply by pressing push switch 91;
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, 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 (2)
1. a gas supply system, 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);
Emergency Oxygen Supply branch road (400), is provided with push switch (91) on it, the input of described Emergency Oxygen Supply branch road (400) is parallel to oxygen and supplies with between the check valve (20) and oxygen switch (90) 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. a kind of gas supply system according to claim 1, 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 |
|---|---|---|---|
| CN201420062856.7U CN203710502U (en) | 2014-02-12 | 2014-02-12 | Gas supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420062856.7U CN203710502U (en) | 2014-02-12 | 2014-02-12 | Gas supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203710502U true CN203710502U (en) | 2014-07-16 |
Family
ID=51149706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420062856.7U Expired - Fee Related CN203710502U (en) | 2014-02-12 | 2014-02-12 | Gas supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203710502U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106860993A (en) * | 2015-12-14 | 2017-06-20 | 北京谊安医疗系统股份有限公司 | A kind of switching system on Anesthesia machine |
-
2014
- 2014-02-12 CN CN201420062856.7U patent/CN203710502U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106860993A (en) * | 2015-12-14 | 2017-06-20 | 北京谊安医疗系统股份有限公司 | A kind of switching system on Anesthesia machine |
| CN106860993B (en) * | 2015-12-14 | 2019-11-15 | 北京谊安医疗系统股份有限公司 | A kind of switching system on Anesthesia machine |
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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 |