CN214862108U - Multistage high-efficient end-expiratory carbon dioxide drying and filtering device - Google Patents
Multistage high-efficient end-expiratory carbon dioxide drying and filtering device Download PDFInfo
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- CN214862108U CN214862108U CN202120736238.6U CN202120736238U CN214862108U CN 214862108 U CN214862108 U CN 214862108U CN 202120736238 U CN202120736238 U CN 202120736238U CN 214862108 U CN214862108 U CN 214862108U
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- filter membrane
- pipeline
- carbon dioxide
- luer
- sectional area
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 238000001914 filtration Methods 0.000 title claims abstract description 31
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 23
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 22
- 238000001035 drying Methods 0.000 title claims abstract description 21
- 239000012528 membrane Substances 0.000 claims abstract description 79
- 238000007789 sealing Methods 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract description 6
- 206010011409 Cross infection Diseases 0.000 abstract description 5
- 206010029803 Nosocomial infection Diseases 0.000 abstract description 5
- 206010036790 Productive cough Diseases 0.000 abstract description 4
- 239000008280 blood Substances 0.000 abstract description 4
- 210000004369 blood Anatomy 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 4
- 210000003802 sputum Anatomy 0.000 abstract description 4
- 208000024794 sputum Diseases 0.000 abstract description 4
- 239000008187 granular material Substances 0.000 abstract description 3
- 239000011859 microparticle Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 25
- 230000005540 biological transmission Effects 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 3
- 230000000241 respiratory effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002612 cardiopulmonary effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 210000003928 nasal cavity Anatomy 0.000 description 1
- 230000036391 respiratory frequency Effects 0.000 description 1
- 230000004202 respiratory function Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
The utility model relates to a multistage high-efficient end-tidal carbon dioxide drying and filtering device, first pipeline and luer connect linking department and be equipped with first filter membrane, and the second pipeline is equipped with the second filter membrane with first pipeline linking department, and the second pipeline is equipped with the third filter membrane with third pipeline linking department, and the third pipeline is equipped with the fourth filter membrane with luer connects linking department. Adopt first filter membrane, second filter membrane, third filter membrane and fourth filter membrane to carry out stage filtration, the one-level carries out large granule thing and filters, and the second grade carries out vapor filtration, and the tertiary microparticle filters that carries out, and the level four carries out gas drying, utilizes first filter membrane, second filter membrane, third filter membrane and fourth filter membrane multi-stage filtration, improves gas filtration's efficiency and quality, in time filters impurity (sputum, steam, blood etc.) in the gas, improves detection accuracy, prevents cross infection.
Description
Technical Field
The utility model relates to the technical field of medical equipment, specifically a multistage high-efficient end carbon dioxide drying and filtering device exhales.
Background
The respiratory gas measurement is mainly applied to scenes comprising patients (bypass patients) who can normally use nasal cavities to breathe and patients who cannot normally breathe, trachea cannula and breathing machine anesthesia machines (main patients), the end-tidal carbon dioxide monitor is mainly used for monitoring the content of carbon dioxide in exhaled gas, the respiratory frequency change of the patients, the internal CO2 gas exchange amount, whether the cardiopulmonary function is normal or not and whether the respiratory function of the patients is normal or not can be monitored through the device.
The existing carbon dioxide drying and filtering device has incomplete drying and filtering functions when drying respiratory gas, and is easy to cause blockage of an air pipe, so that a drying pipeline fails, the drying and filtering device breaks down, a measured numerical value is wrong, misleading is caused to inspectors, misdiagnosis and other events can be caused, and cross infection is easy to occur when the device is used.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multistage high-efficient end carbon dioxide drying and filtering device exhales to improve expired gas's filter effect, in time filter gas impurity (sputum, steam, blood etc.), improve the detection accuracy, prevent cross infection.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a multistage high-efficient end-tidal carbon dioxide drying and filtering device, includes the pipeline body, the pipeline body includes first pipeline, second pipeline and third pipeline, the one end that the second pipeline was kept away from to first pipeline and the end that the second pipeline was kept away from to the third pipeline all are equipped with luer joint, first pipeline is equipped with first filter membrane with luer joint linking department, second pipeline is equipped with the second filter membrane with first pipeline linking department, second pipeline is equipped with the third filter membrane with third pipeline linking department, the third pipeline is equipped with the fourth filter membrane with luer joint linking department, the sectional area of first filter membrane is less than the sectional area of second filter membrane, the sectional area of second filter membrane is the same with the sectional area of third filter membrane, the sectional area of fourth filter membrane is less than the sectional area of first filter membrane, luer is equipped with the draw-in groove on the connector.
Preferably, the first filter membrane and the first pipeline are integrally formed by injection molding, the second filter membrane, the third filter membrane and the second pipeline are integrally formed by injection molding, and the third pipeline and the fourth filter membrane are integrally formed by injection molding.
Preferably, be equipped with first lumen in the first pipeline, be equipped with the second lumen in the second pipeline, be equipped with the third lumen in the third pipeline, first lumen, second lumen and third lumen intercommunication setting each other.
Preferably, the length of the first pipeline is m3, the length of the second pipeline is m2, the length of the third pipeline is m3, and m3 < m1 < m 2.
Preferably, the length of the luer connector is m4, and m4 < m 3.
Preferably, the luer joint inner wall is provided with an annular sealing ring.
Preferably, the luer connector outer wall is provided with a plurality of sealing grooves.
Preferably, the sectional area of the first filter membrane is smaller than that of the second filter membrane, the sectional area of the second filter membrane is the same as that of the third filter membrane, and the sectional area of the fourth filter membrane is smaller than that of the first filter membrane.
Compared with the prior art, the beneficial effects of the utility model are that: during the use, patient's expired gas department is connected to luer connector one end, the detecting instrument host computer is connected to one end, through filtering gas drying, realize the high-efficient quick accurate detection of patient's expired gas, at filterable in-process, adopt first filter membrane, the second filter membrane, third filter membrane and fourth filter membrane carry out stage filtration, the one-level carries out large granule thing and filters, the second grade carries out vapor filtration, the tertiary microparticle filtration that carries out, the level four carries out gas drying, so effectively improved gas filtration's efficiency and quality, in time filter gas impurity (sputum, steam, blood etc.), improve the detection accuracy, prevent cross infection.
Other features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of the end-tidal carbon dioxide drying and filtering device of the present invention;
fig. 2 is a front view of a first viewing angle of the end-tidal carbon dioxide drying and filtering device of the present invention;
FIG. 3 is a cross-sectional view taken along the line A-A in FIG. 2;
fig. 4 is a side view of the end-tidal carbon dioxide filter-drier apparatus of the present invention;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;
fig. 6 is a front view of the end-tidal carbon dioxide drying and filtering device of the present invention from a second perspective;
FIG. 7 is a cross-sectional view taken along plane F-F of FIG. 6;
FIG. 8 is a cross-sectional view taken along plane D-D of FIG. 6;
fig. 9 is a cross-sectional view taken along plane E-E of fig. 6.
In the figure: 1. a pipe body; 101. a first conduit; 102. a second conduit; 103. a third pipeline; 104. a luer fitting; 105. a first filter membrane; 106. a second filter membrane; 107. a third filter membrane; 108. a fourth filter membrane; 109. a third lumen; 110. a second lumen; 111. a first lumen; 112. a card slot; 113. an annular seal ring; 114. sealing the groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 9, in an embodiment of the present invention, a multistage high-efficiency end-tidal carbon dioxide drying and filtering device includes a pipeline body 1, where the pipeline body 1 includes a first pipeline 101, a second pipeline 102, and a third pipeline 103, where both an end of the first pipeline 101 away from the second pipeline 102 and an end of the third pipeline 103 away from the second pipeline 102 are provided with a luer 104, a first filter membrane 105 is disposed at a junction of the first pipeline 101 and the luer 104, a second filter membrane 106 is disposed at a junction of the second pipeline 102 and the first pipeline 101, a third filter membrane 107 is disposed at a junction of the second pipeline 102 and the third pipeline 103, a fourth filter membrane 108 is disposed at a junction of the third pipeline 103 and the luer 104, a cross-sectional area of the first filter membrane 105 is smaller than a cross-sectional area of the second filter membrane 106, and a cross-sectional area of the second filter membrane 106 is the same as a cross-sectional area of the third filter membrane 107, the cross-sectional area of the fourth filter membrane 108 is smaller than that of the first filter membrane 105, and a clamping groove 112 is arranged on the luer 104. During the use, patient's expired gas department is connected to luer 104 one end, the detecting instrument host computer is connected to one end, through filtering gas and drying, realize the high-efficient accurate detection fast of patient's expired gas, at filterable in-process, adopt first filter membrane 105, second filter membrane 106, third filter membrane 107 and fourth filter membrane 108 carry out stage filtration, the one-level carries out the large granule thing and filters, the second grade carries out the vapor filtration, the tertiary microparticle filtration that carries out, the level four carries out gas drying, so effectively improved gas filtration's efficiency and quality, in time filter gas impurity (sputum, steam, blood etc.), improve the detection accuracy, prevent cross infection.
In this embodiment, the first filter membrane 105 is integrally injection molded with the first pipe 101, the second filter membrane 106, the third filter membrane 107 and the second pipe 102 are integrally injection molded, and the third pipe 103 and the fourth filter membrane 108 are integrally injection molded. So can effectively guarantee the intensity of filter membrane when using, improve gas transmission's efficiency and quality.
In this embodiment, a first lumen 111 is disposed in the first pipeline 101, a second lumen 110 is disposed in the second pipeline 102, a third lumen 109 is disposed in the third pipeline 103, and the first lumen 111, the second lumen 110, and the third lumen 109 are communicated with each other.
In the embodiment, the length of the first pipeline 101 is m3, the length of the second pipeline 102 is m2, the length of the third pipeline 103 is m3, and m3 < m1 < m 2. Therefore, the efficiency and the quality of gas transmission and filtration can be effectively improved.
In the present embodiment, the length of the luer 104 is m4, m4 < m 3. This may reduce the length of gas transfer within the luer 104, improving the efficiency and quality of gas filtration.
In this embodiment, the inner wall of the luer 104 is provided with an annular sealing ring 113. Through establish annular sealing ring 113 at luer 104 inner wall, so can effectively improve the leakproofness that luer 104 connects, effectively improve the gas transmission's of filter equipment when using stability.
In this embodiment, the outer wall of the male luer 104 is provided with a plurality of sealing grooves 114. Can effectively improve the leakproofness of luer 104 joint department like this, leakproofness when effectively having improved filter equipment and using guarantees gas transmission's stability.
In this embodiment, the cross-sectional area of the first filter membrane 105 is smaller than the cross-sectional area of the second filter membrane 106, the cross-sectional area of the second filter membrane 106 is the same as the cross-sectional area of the third filter membrane 107, and the cross-sectional area of the fourth filter membrane 108 is smaller than the cross-sectional area of the first filter membrane 105, so that the respiratory gases can be filtered sufficiently.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a multistage high-efficient end carbon dioxide drying and filtering device that exhales, its characterized in that includes the pipeline body, the pipeline body includes first pipeline, second pipeline and third pipeline, the one end that the second pipeline was kept away from to first pipeline and the end that the second pipeline was kept away from to the third pipeline all are equipped with luer joint, first pipeline is equipped with first filter membrane with luer joint linking department, second pipeline is equipped with the second filter membrane with first pipeline linking department, second pipeline is equipped with the third filter membrane with third pipeline linking department, third pipeline is equipped with the fourth filter membrane with luer joint linking department, luer is connected and is equipped with the draw-in groove.
2. The multi-stage high efficiency dry end-tidal carbon dioxide filter device of claim 1, wherein the first filter membrane is injection molded integrally with the first conduit, the second filter membrane, the third filter membrane and the second conduit are injection molded integrally, and the third conduit and the fourth filter membrane are injection molded integrally.
3. The multi-stage high-efficiency dry end-tidal carbon dioxide filtering device according to claim 1, wherein a first lumen is disposed in the first pipeline, a second lumen is disposed in the second pipeline, a third lumen is disposed in the third pipeline, and the first lumen, the second lumen and the third lumen are communicated with each other.
4. The multi-stage high-efficiency dry end-tidal carbon dioxide filter device according to claim 1, wherein the first conduit has a length of m3, the second conduit has a length of m2, and the third conduit has a length of m3, m3 < m1 < m 2.
5. The multi-stage high efficiency dry end-tidal carbon dioxide filter device of claim 4, wherein the length of the luer connector is m4, m4 < m 3.
6. The multi-stage high efficiency dry end-tidal carbon dioxide filter device of claim 1, wherein the luer fitting is provided with an annular sealing ring on the inner wall.
7. The multi-stage high efficiency dry end-tidal carbon dioxide filter device of claim 1, wherein the outer wall of the luer connector is provided with a plurality of sealing grooves.
8. The multi-stage high efficiency dry end-tidal carbon dioxide filter device of claim 1, wherein the cross-sectional area of the first filter membrane is smaller than the cross-sectional area of the second filter membrane, the cross-sectional area of the second filter membrane is the same as the cross-sectional area of the third filter membrane, and the cross-sectional area of the fourth filter membrane is smaller than the cross-sectional area of the first filter membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120736238.6U CN214862108U (en) | 2021-10-19 | 2021-10-19 | Multistage high-efficient end-expiratory carbon dioxide drying and filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120736238.6U CN214862108U (en) | 2021-10-19 | 2021-10-19 | Multistage high-efficient end-expiratory carbon dioxide drying and filtering device |
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| Publication Number | Publication Date |
|---|---|
| CN214862108U true CN214862108U (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120736238.6U Active CN214862108U (en) | 2021-10-19 | 2021-10-19 | Multistage high-efficient end-expiratory carbon dioxide drying and filtering device |
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| CN (1) | CN214862108U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114431853A (en) * | 2021-12-23 | 2022-05-06 | 新绎健康科技有限公司 | Portable metabolic energy examination equipment |
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2021
- 2021-10-19 CN CN202120736238.6U patent/CN214862108U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114431853A (en) * | 2021-12-23 | 2022-05-06 | 新绎健康科技有限公司 | Portable metabolic energy examination equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 401D, Building 7, No. 22, Xinyan Road, Donghu Street, Linping District, Hangzhou City, Zhejiang Province 310000 Patentee after: Zhejiang Yuanxiang Medical Equipment Co.,Ltd. Address before: 401d, building 7, 22 Xinyan Road, Donghu street, Yuhang District, Hangzhou City, Zhejiang Province 310000 Patentee before: Zhejiang Yuanxiang Medical Technology Co.,Ltd. |
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| CP03 | Change of name, title or address |