CN2666464Y - Air filter for self-cleaning medical respiratory equipment - Google Patents
Air filter for self-cleaning medical respiratory equipment Download PDFInfo
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- CN2666464Y CN2666464Y CN 03279040 CN03279040U CN2666464Y CN 2666464 Y CN2666464 Y CN 2666464Y CN 03279040 CN03279040 CN 03279040 CN 03279040 U CN03279040 U CN 03279040U CN 2666464 Y CN2666464 Y CN 2666464Y
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Abstract
The utility model relates to a self-purification medical respiratory equipment gas filter, including: an outer shell, a gas inlet connector, a gas outlet connector, at least three layers of filter materials which are arranged in the outer shell: (1) a disinfection antibacterial filter layer, which consists of a coarse filter mesh that is absorbed with disinfectants; (2) an activated carbon absorption layer which consists of activated carbons; (3) a microporous high efficiency filter layer which consists of microporous filter papers. The utility model can carry out the absorption and filtration of the exhaled gas of the patients, kill the captured microorganisms in the filter and reduce the secondary pollution, thus the utility model is conductive to the purification of the surrounding air of the hospitals, therefore, the utility model is particularly applicable to the filtration and disinfection of the exhaled gas of the patients with 'severe acute respiratory syndrome' or open TB, legionella infection and other respiratory diseases, and the utility model has positive significance in the protection of the health of the medical staff, and the clinical popularization and use of the utility model have greater social benefits. The utility model has easy processing and production, low cost and easy popularization and use.
Description
(1) technical field
This utility model relates to a kind of medical apparatus and instruments, refers in particular to a kind of auto purification type medical ventilator systems pneumatic filter.
(2) background technology
Traditional pneumatic filter is with the method for physics detention, gas is filtered, with granules such as filtering dust and microorganisms, to reach the purpose of Purge gas.And be filtered device Inner filter net, fiber filter paper and other various absorption by the granules such as microorganism of filtering and filtering material is mechanically tackled in filter, because of various filtering materials in the filter all do not have the effect of killing microorganisms, so, be deposited in these interior microorganisms of filter under suitable temperature, growth and breeding promptly, that is, so-called " secondary pollution " problem takes place.
(3) utility model content
The purpose of this utility model is in order to solve above-mentioned prior art problems, to propose the auto purification type medical ventilator systems pneumatic filter with the minimizing secondary pollution that interior absorption of a kind of breathing apparatus filter and filtering material have the sterilizing effect.
The purpose of this utility model is achieved in that
A kind of auto purification type medical ventilator systems pneumatic filter comprises:
Shell; Intake interface is arranged at an end of shell, is the inlet of gas to be filtered; The interface of giving vent to anger is arranged at the other end of shell, is the outlet of filtering back gas; And filtering material, being arranged in the described shell, described filtering material has three layers at least:
(1) the antibacterial filter course of sterilizing is arranged at the position near described intake interface, is made up of the coarse strainer that is adsorbed with disinfectant;
(2) activated carbon adsorption layer is arranged at the position of the antibacterial filter course of described sterilization back, is made up of active carbon, has a supporting clapboard that has aperture to be separated by between activated carbon adsorption layer and the antibacterial filter course of described sterilization;
(3) micropore high efficiency filter layer is arranged at the position of described activated carbon adsorption layer back near the described interface of giving vent to anger, and is made up of micropore filter paper, has a supporting clapboard that has aperture to be separated by between micropore high efficiency filter layer and the described activated carbon adsorption layer.
Effect of the present utility model:
Auto purification type medical ventilator systems pneumatic filter of the present utility model is because the gas that the patient is breathed out adsorbs the effect that has sterilizing with filtering material, can kill the microorganism of capturing in the filter, reduced secondary pollution, especially can prevent the generation of the secondary pollution of discarded filter, help purifying hospital's ambient air.Therefore, this utility model is except the filtration that is applied to the discharge of medical ventilator systems gas, be specially adapted to filter-sterilized to " severe acute respiratory syndrome " or epidemic victim's breaths such as open tuberculosis, infection with legionella, healthy positive effect arranged to what ensure the frontline medical staff, clinical expansion uses bigger social benefit.This utility model also is applicable to the filtration of medical negative pressure suction gas and the gas filtration in other various air cleaning facilities.This utility model convenient processing and manufacture and cost are low, promote the use of easily.
For further specifying above-mentioned purpose of the present utility model, construction features and effect, this utility model is described in detail below with reference to accompanying drawing.
(4) description of drawings
Fig. 1 is the structure chart of the embodiment of auto purification type medical ventilator systems pneumatic filter of the present utility model.
The explanation of main symbol among the figure:
1 ... shell 2 ... intake interface
3 ... the antibacterial filter course 4 of sterilizing ... activated carbon adsorption layer
5 ... micropore high efficiency filter layer 6 ... supporting clapboard
7 ... the interface of giving vent to anger
(5) specific embodiment
Below in conjunction with the accompanying drawing of embodiment, to auto purification type medical ventilator systems pneumatic filter of the present utility model
Embodiment elaborates.
This utility model comprises:
The interface 7 of giving vent to anger is arranged at the other end of shell 1, is the outlet of filtering back gas.
Filtering material is arranged in the described shell 1, and described filtering material has three layers at least:
(1) the antibacterial filter course 3 of sterilization, be arranged at the position of described intake interface 2, form by the coarse strainer that is adsorbed with disinfectant, the material of coarse strainer can be lower resistance such as non-woven fabrics, sponge, glass fibre, filter membrane and slightly imitates filter material, described disinfectant can be bonded composite powerful disinfectant of multiple medicine or single-dose thing, for example: disinfectant such as nitrogenous, iodine, aldehyde, phenol, biguanides, quaternary ammonium salt, anion surfactant, non-ionic surface active agent and acid, alkali.The moisture that contains in the described gas to be filtered is bigger, the respirator gas of breathing out particularly, humidity is very big, when gas to be filtered is flowed through the antibacterial filter course 3 of described sterilization, moisture in the gas makes the progressively dissolving of dry composite powerful disinfectants part that is adsorbed on the coarse strainer, the performance bactericidal action, progressively dissolved disinfectant enters the adsorption filtration layer of back with air-flow.
(2) activated carbon adsorption layer 4, be arranged at the position of the antibacterial filter course of described sterilization 3 back, form by active carbon, activated carbon adsorption layer 4 separates with the supporting clapboard 6 that antibacterial filter course 3 usefulness of sterilization have aperture, the gas that has the disinfectant molecule that the adsorption effect that activated carbon capillary in the activated carbon adsorption layer 4 produces is come the antibacterial filter course 3 of described sterilization adsorbs, the active carbon that has adsorbed the disinfectant molecule also becomes the filter material with bactericidal effect, at this moment, through the gas after two layers of filter courses filtration, wherein Jue Dabufen dust, microorganism are by filtering.
(3) micropore high efficiency filter layer 5, be arranged at the position of described activated carbon adsorption layer 4 back near the described interface 7 of giving vent to anger, form by micropore filter paper, micropore filter paper is HEPA highly-efficient glass fiber filter paper in the present embodiment, micropore high efficiency filter layer 5 separates with the supporting clapboard 6 that activated carbon adsorption layer 4 usefulness have aperture, but the microorganism of micropore high efficiency filter layer 5 filtering＞99.99%.
Gas after above-mentioned three road filter courses filter purifies basically, can directly discharge.
The disinfectant of absorption is the drying solid shape in the antibacterial filter course 3 of described sterilization, adheres to the surface of filter medium of described coarse strainer equably, and disinfectant itself can not play corrosiveness to filter material.In addition, be the suitable long-term storage of disinfectant of drying solid shape, can not decompose voluntarily, can keep the bactericidal effect of long period.
This utility model is easily manufactured.Sorbent materials such as some high efficiency filter materials and active carbon itself can not carry out coated, impregnating technology; Itself also can't tolerate coated some disinfecting drug, and the high temperature drying behind the dipping is handled.And this utility model only needs in filter material (example: non-woven fabrics that can heat-stable coarse strainer, glass fibre etc.) surperficial coated one deck disinfectant, gas by the time carry out disinfection, the disinfectant molecule granule that forms, quilts such as the aerosol activated carbon adsorption layer 4 of one deck are down captured, and the disinfectant molecule granule of capturing as mentioned above, also can progressively have microbial killing ability, along with the filter prolongation of service time, disinfecting power also progressively increases, when using to resistance, filter raises, filter effect descends when scrapping, disinfectant in the filter still has disinfective action, owing to there is the ability of auto purification, can not cause secondary pollution problem.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating this utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in the scope of this utility model claims variation, the modification of the above embodiment.
Claims (5)
1, a kind of auto purification type medical ventilator systems pneumatic filter, its feature comprises:
Shell;
Intake interface is arranged at an end of shell, is the inlet of gas to be filtered;
The interface of giving vent to anger is arranged at the other end of shell, is the outlet of filtering back gas;
Filtering material is arranged in the described shell, and described filtering material has three layers at least:
(1) the antibacterial filter course of sterilizing is arranged at the position near described intake interface, is made up of the coarse strainer that is adsorbed with disinfectant;
(2) activated carbon adsorption layer is arranged at the position of the antibacterial filter course of described sterilization back, is made up of active carbon, has a supporting clapboard that has aperture to be separated by between activated carbon adsorption layer and the antibacterial filter course of described sterilization;
(3) micropore high efficiency filter layer is arranged at the position of described activated carbon adsorption layer back near the described interface of giving vent to anger, and is made up of micropore filter paper, has a supporting clapboard that has aperture to be separated by between micropore high efficiency filter layer and the described activated carbon adsorption layer.
2, auto purification type medical ventilator systems pneumatic filter as claimed in claim 1, the material that it is characterized in that described coarse strainer are that non-woven fabrics or sponge or glass fibre or the lower resistance of filter membrane are slightly imitated filter material.
3, auto purification type medical ventilator systems pneumatic filter as claimed in claim 1 is characterized in that described disinfectant is bonded composite powerful disinfectant of multiple medicine or single-dose thing.
4, auto purification type medical ventilator systems pneumatic filter as claimed in claim 1 is characterized in that described disinfectant is the drying solid shape, and is the surface of filter medium that adheres to described coarse strainer equably.
5, auto purification type medical ventilator systems pneumatic filter as claimed in claim 1 is characterized in that described micropore filter paper is HEPA highly-efficient glass fiber filter paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03279040 CN2666464Y (en) | 2003-09-29 | 2003-09-29 | Air filter for self-cleaning medical respiratory equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03279040 CN2666464Y (en) | 2003-09-29 | 2003-09-29 | Air filter for self-cleaning medical respiratory equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2666464Y true CN2666464Y (en) | 2004-12-29 |
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ID=34332223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03279040 Expired - Fee Related CN2666464Y (en) | 2003-09-29 | 2003-09-29 | Air filter for self-cleaning medical respiratory equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2666464Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100509087C (en) * | 2003-09-29 | 2009-07-08 | 上海第二医科大学附属仁济医院 | Self-cleaning type gas filter for medical respiratory instrument |
| CN102389611A (en) * | 2011-11-14 | 2012-03-28 | 王晓锋 | Air purifier connected with respirator |
| CN103463876A (en) * | 2013-08-12 | 2013-12-25 | 江苏双盛医疗器械有限公司 | Secondary filtering apparatus of oxygenerator |
| CN108079673A (en) * | 2016-11-21 | 2018-05-29 | 江苏双盛医疗器械有限公司 | A kind of oxygen machine purifier |
-
2003
- 2003-09-29 CN CN 03279040 patent/CN2666464Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100509087C (en) * | 2003-09-29 | 2009-07-08 | 上海第二医科大学附属仁济医院 | Self-cleaning type gas filter for medical respiratory instrument |
| CN102389611A (en) * | 2011-11-14 | 2012-03-28 | 王晓锋 | Air purifier connected with respirator |
| CN103463876A (en) * | 2013-08-12 | 2013-12-25 | 江苏双盛医疗器械有限公司 | Secondary filtering apparatus of oxygenerator |
| CN108079673A (en) * | 2016-11-21 | 2018-05-29 | 江苏双盛医疗器械有限公司 | A kind of oxygen machine purifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |