CN203777444U - Central air supply duct - Google Patents
Central air supply duct Download PDFInfo
- Publication number
- CN203777444U CN203777444U CN201420063638.5U CN201420063638U CN203777444U CN 203777444 U CN203777444 U CN 203777444U CN 201420063638 U CN201420063638 U CN 201420063638U CN 203777444 U CN203777444 U CN 203777444U
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- CN
- China
- Prior art keywords
- oxygen
- branch road
- control
- laughing gas
- supply branch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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 apparatus and instruments, in particular to a central air supply duct of an anesthesia apparatus. The central air supply duct comprises an air supply branch, a laughing gas supply branch, an oxygen supply branch, a proportional identifier and an emergent oxygen supply branch, wherein the proportional identifier is electrically connected with an alarm device; 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, wherein the control cavity is communicated with a control pipe, 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 pipelines of the first and second oxygen failure protectors are connected between an oxygen switch and an oxygen flow regulating valve. The central air supply duct is convenient in use, convenient in recording and low in cost, is capable of effectively avoiding medical accidents caused by untimely discovery of failure of the oxygen supply branch by virtue of ternary insurances of the proportional identifier, the oxygen failure protector and the emergent oxygen supply branch, and certain beneficial effects are generated.
Description
Technical field
This utility model relates to medical instruments field, especially a kind of central gas-supply road 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 central gas-supply road 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, oxygen fail safe device and Emergency Oxygen Supply branch road retrocession and can effectively avoiding oxygen to supply with branch road breaking down, its technical scheme adopting is as follows:
A kind of central gas-supply road, 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;
Ratio mirror device processed, 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, and described ratio mirror device processed is electrically connected with alarm;
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, the malpractice causing not in time due to discovery when having ratio mirror device processed, oxygen fail safe device and Emergency Oxygen Supply branch road retrocession 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, a kind of central gas-supply road 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;
Ratio mirror device 70 processed, 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, 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, described ratio mirror device 70 processed is electrically connected with alarm 80, 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;
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 central gas-supply road, is characterized in that, 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;
Ratio mirror device processed, 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, and described ratio mirror device processed is electrically connected with alarm;
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.
2. a kind of central gas-supply according to claim 1 road, is characterized in that: the specification of described air line joint, laughing gas pipe joint and oxygen pipeline joint is all not identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420063638.5U CN203777444U (en) | 2014-02-12 | 2014-02-12 | Central air supply duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420063638.5U CN203777444U (en) | 2014-02-12 | 2014-02-12 | Central air supply duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203777444U true CN203777444U (en) | 2014-08-20 |
Family
ID=51313679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420063638.5U Expired - Fee Related CN203777444U (en) | 2014-02-12 | 2014-02-12 | Central air supply duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203777444U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105457139A (en) * | 2015-12-31 | 2016-04-06 | 深圳市诺然美泰科技有限公司 | Highly-integrated gas source input processing and flow control device |
| EP3088032A1 (en) * | 2015-04-27 | 2016-11-02 | Baldus Medizintechnik GmbH | Laughing gas mixer for generating a laughing gas mixture |
-
2014
- 2014-02-12 CN CN201420063638.5U patent/CN203777444U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3088032A1 (en) * | 2015-04-27 | 2016-11-02 | Baldus Medizintechnik GmbH | Laughing gas mixer for generating a laughing gas mixture |
| US10065159B2 (en) | 2015-04-27 | 2018-09-04 | Baldus Medizintechnik Gmbh | Nitrous oxide gas mixer for generating a nitrous oxide gas mix |
| US10882016B2 (en) | 2015-04-27 | 2021-01-05 | Baldus Medizintechnik Gmbh | Nitrous oxide gas mixer for generating a nitrous oxide gas mix |
| CN105457139A (en) * | 2015-12-31 | 2016-04-06 | 深圳市诺然美泰科技有限公司 | Highly-integrated gas source input processing and flow control device |
| CN105457139B (en) * | 2015-12-31 | 2017-12-05 | 深圳市诺然美泰科技股份有限公司 | Highly integrated source of the gas input processing and volume control device |
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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: 20140820 Termination date: 20150212 |
|
| EXPY | Termination of patent right or utility model |