CN202096819U - Medical gas filter - Google Patents
Medical gas filter Download PDFInfo
- Publication number
- CN202096819U CN202096819U CN2011201936434U CN201120193643U CN202096819U CN 202096819 U CN202096819 U CN 202096819U CN 2011201936434 U CN2011201936434 U CN 2011201936434U CN 201120193643 U CN201120193643 U CN 201120193643U CN 202096819 U CN202096819 U CN 202096819U
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- China
- Prior art keywords
- filter core
- filter
- gas
- medical
- base
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- 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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Abstract
The utility model relates to the technical field of medical equipment, in particular to a medical gas filter. The filter comprises a base and a sleeve chuck connected with the base, wherein a gas inlet connector for being connected with the tail end of a medical gas pipeline is arranged at the lower end of the base; a gas outlet connector for medical purposes is arranged at the upper end of the sleeve chuck; a filter element is arranged in the sleeve chuck; a clearance is reserved between the filter element and the inner wall of the sleeve chuck; and the two ends of the filter element are respectively fixed on the base and the sleeve chuck. The filter provided by the utility model can effectively filter gas to enable the gas to satisfy the requirements of medical gases, and is very convenient to mount and use.
Description
Technical field
The utility model relates to technical field of medical instruments, is specifically related to a kind of filter that is used to filter medical gas.
Background technology
The basic kind of medical gas has: medical oxygen, vacuum suction gas, compressed air, nitrogen, laughing gas (N
2O) and carbon dioxide etc.Hospital adopts medical gas pipe-line system and central station (source of the gas) to carry out the supply of medical gas.The medical gas pipe-line system is meant concentrated supply, discharging and the piping system of above-mentioned therapeutic medical gas.The zone of medical gas setting is medical spaces such as ward, operating room, care unit (ICU), rescue room, emergency treatment, observation ward, Hyperbaric oxygen chamber, gynaecology stream of people chamber, the department of stomatology.Be the air feed that guarantees that medical air supply system is stable, continuous, hospital generally adopts the central piping system of centralized management that central station's (comprising oxygen supply station, vacuum pump house, air compressor plant etc.) is set, and connects each gas end of hospital through pipeline.But the air that the source of the gas at central gas station remains lower-cost industrial gasses or gathers materials on the spot, this source of the gas wherein contains the nuisance that contains in bacterium, dust or steam and the steam etc. because purity is not high enough, and there is potential danger in the patient.Therefore, for the safety and health of sufferer, purified treatment is carried out at the use terminal of the gas that need use medical treatment, reaches medical grade gas level (rejection rate of bacterium and dust reaches more than 99%, near aseptic grade).What generally adopt at present is in gas piping, to add a sponge or filter pulp carries out simple filtering, obviously can't reach requirement.
Summary of the invention
The technical problem that the utility model solves is the deficiency that overcomes prior art; A kind of medical gas filter easy to install is provided; Be connected in the terminal of medical gas pipeline; Can effectively filter industrial gasses or general air (rejection rate of bacterium and dust reaches more than 99%, near aseptic level).The gas of medical grade standard is provided for medical application (patient sucks treatment or gas is used in operation).
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is following:
A kind of medical gas filter, comprise base with its on the jacket casing that is connected, said base lower end is provided with the inlet suction port that is used to be connected to the medical gas pipeline terminal, said jacket casing upper end is provided with the air outlet adapter that is used to be connected to medical application; Be provided with filter core in the said jacket casing, gapped between said filter core and the jacket casing inwall, said filter core two ends are individually fixed on base and the jacket casing.During use, the end that the inlet suction port of the utility model is connected in the medical gas pipeline gets final product, and is vertical installation, helps filter liquide like this.Gas is got into by inlet suction port, after the filtration of filter core, is flowed out by air outlet adapter, promptly can reach medical level.In order effectively to utilize filter material, prevent that filter core from only utilizing too much the center, and can't utilize that with leaving the gap between filter core and the jacket casing inwall, gas can pass through from the side and the top of filter core simultaneously like this, makes full use of filter core all around.Prevent the local use of filter core too much, cause the filter core loss serious.Simultaneously can reduce resistance, reduce the aerodynamic force loss.
The filter material of said filter core for fixing through the plastics reinforcement.Said filter material can be selected N95 or N99 filter material.These two kinds of filter materials can not produce ozone or ion bactericide in the filtering gas process, have no side effect.
Clean for ease and keep in repair, for detachable is tightly connected, preferred between said jacket casing and the base, for being threaded, and the junction is provided with sealing ring between said jacket casing and the base.
Be provided with the filter core landing nipple in the said base, the filter core inlet suction port that is provided with the filter core lower end is connected.Preferably, said filter core landing nipple is pegged graft or is threaded with the filter core inlet suction port, is convenient to more renew cartridge.Filter core inlet suction port diameter is preferred big, can improve air inflow like this.Be provided with the triangle locating support in the said jacket casing, said triangle locating support top is stuck in the locating slot of filter core upper end setting.Because triangle locating support top is almost " point " shape, can reduce the contact area with the outlet side of filter core so to greatest extent, can effectively prevent the inhibition of locating support to gas, make that gas flow is more smooth and easy.
The performance parameter of the utility model is: the gas flow scope: 0 ~ 90 standard liter/min, bacterium rejection rate>99%, the dust rejection rate>99%, pressure decline 1%, the resistance of gas is almost 0.
Compared with prior art, the beneficial effect of the utility model technical scheme is: during use, the inlet suction port of the utility model is connected to the medical gas pipeline is terminal to get final product, and easy for installation; The utility model is little to air resistance, need not equipment and power such as other sterilizations, absorption, and no energy consumption can regularly replace filter core as required, uses very convenient; The utility model can effectively filter bacterium, liquid and the dust in the industrial gasses; And can not produce ozone or ion bactericide; Have no side effect; Make the gas after the filtration reach the medical gas classification standard, help patient's health more, got rid of potential safety hazards such as general IMPURITIES IN and bacterium.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model decomposition texture sketch map.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the technical scheme of the utility model is done further explanation.
Like Fig. 1 is the utility model medical gas structure of filter sketch map, comprise base 2 with its on the jacket casing 4 that is connected, for being threaded, and the junction is provided with sealing ring 10 between said jacket casing 4 and the base 2.Said base 2 lower ends are provided with inlet suction port 1, and said jacket casing 4 upper ends are provided with air outlet adapter 5.Decomposition chart in conjunction with Fig. 2; Be provided with filter core 3 in the said jacket casing 4; Gapped between said filter core 3 and jacket casing 4 inwalls, said filter core 3 two ends are individually fixed on base 2 and the jacket casing 4, and concrete fixed form is following: be provided with filter core landing nipple 8 in the base 2; Peg graft with the filter core inlet suction port 6 that filter core 3 lower ends are provided with, can certainly use to be threaded.Filter core inlet suction port 6 diameters are big as far as possible, can improve air inflow like this; Be provided with triangle locating support 9 in the jacket casing 4, its top is stuck in the locating slot 7 of filter core 3 upper ends setting.Because triangle locating support 9 tops are almost " point " shape, can reduce the contact area with the outlet side of filter core 3 so to greatest extent, can effectively prevent the inhibition of locating support to gas, make that gas flow is more smooth and easy.
The filter material of said filter core 3 for fixing through the plastics reinforcement.Said filter material can be selected the N95 filter core.
During use, the end that the inlet suction port 1 of the utility model is connected in the medical gas pipeline gets final product, and is vertical installation, helps filter liquide like this.Gas is got into by inlet suction port 1, after the filtration of filter core 3, flows out from the side and the top of filter core 3 tubular structures, and the gas of being discharged by air outlet adapter then promptly can reach medical level, is used for medical application.The utility model causes the filter core loss serious owing to leaving the gap between filter core 3 and jacket casing 4 inwalls, can to make full use of filter core, prevent the local use of filter core too much so that gas passes through from the side and the top of filter core simultaneously like this.Simultaneously can reduce resistance, reduce the aerodynamic force loss.
The performance parameter of the utility model is: the gas flow scope: 0 ~ 90 standard liter/min, bacterium rejection rate>99%, the dust rejection rate>99%, pressure decline 1%, the resistance of gas is almost 0.
Claims (7)
1. a medical gas filter is characterized in that, comprise base with its on the jacket casing that is connected, said base lower end is provided with the inlet suction port that is used to be connected to the medical gas pipeline terminal, said jacket casing upper end is provided with the air outlet adapter that is used to be connected to medical application; Be provided with filter core in the said jacket casing, gapped between said filter core and the jacket casing inwall, said filter core two ends are individually fixed on base and the jacket casing.
2. medical gas filter according to claim 1 is characterized in that, N95 or the N99 filter material of said filter core for fixing through the plastics reinforcement.
3. medical gas filter according to claim 1 is characterized in that, is tightly connected for detachable between said jacket casing and the base.
4. medical gas filter according to claim 3 is characterized in that, for being threaded, and the junction is provided with sealing ring between said jacket casing and the base.
5. according to the arbitrary described medical gas filter of claim 1-4, it is characterized in that, be provided with the filter core landing nipple in the said base, the filter core inlet suction port that is provided with the filter core lower end is connected.
6. medical gas filter according to claim 5 is characterized in that, said filter core landing nipple is pegged graft or is threaded with the filter core inlet suction port.
7. medical gas filter according to claim 5 is characterized in that, is provided with the triangle locating support in the said jacket casing, and said triangle locating support top is stuck in the locating slot of filter core upper end setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201936434U CN202096819U (en) | 2011-06-10 | 2011-06-10 | Medical gas filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201936434U CN202096819U (en) | 2011-06-10 | 2011-06-10 | Medical gas filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202096819U true CN202096819U (en) | 2012-01-04 |
Family
ID=45382855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201936434U Expired - Fee Related CN202096819U (en) | 2011-06-10 | 2011-06-10 | Medical gas filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202096819U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106582128A (en) * | 2016-12-13 | 2017-04-26 | 四川航空工业川西机器有限责任公司 | Ultrahigh-pressure gas filter |
| CN109647085A (en) * | 2019-01-22 | 2019-04-19 | 蚌埠市海曼滤清器有限公司 | A kind of air purifier unit being convenient for changing |
| CN109823146A (en) * | 2019-01-22 | 2019-05-31 | 蚌埠市海曼滤清器有限公司 | A kind of air cleaner convenient for fixed filter core |
-
2011
- 2011-06-10 CN CN2011201936434U patent/CN202096819U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106582128A (en) * | 2016-12-13 | 2017-04-26 | 四川航空工业川西机器有限责任公司 | Ultrahigh-pressure gas filter |
| CN109647085A (en) * | 2019-01-22 | 2019-04-19 | 蚌埠市海曼滤清器有限公司 | A kind of air purifier unit being convenient for changing |
| CN109823146A (en) * | 2019-01-22 | 2019-05-31 | 蚌埠市海曼滤清器有限公司 | A kind of air cleaner convenient for fixed filter core |
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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: 20120104 Termination date: 20150610 |
|
| EXPY | Termination of patent right or utility model |