CN214472089U - Simple exhaled air condensate collecting device - Google Patents
Simple exhaled air condensate collecting device Download PDFInfo
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- CN214472089U CN214472089U CN202120503273.3U CN202120503273U CN214472089U CN 214472089 U CN214472089 U CN 214472089U CN 202120503273 U CN202120503273 U CN 202120503273U CN 214472089 U CN214472089 U CN 214472089U
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Abstract
The utility model discloses a simple and easy expiratory gas condensate collection system, including cooling module, gas-liquid separation subassembly, gas blow pipe and collecting pipe, the last axial that is formed with of cooling module holds the storehouse, and the cooling module intussuseption is filled with the coolant liquid, and gas-liquid separation subassembly with hold storehouse plug-in connection, gas-liquid separation subassembly's lower extreme runs through in cooling module's bottom, gas blow pipe and cooling module's top plug-in connection, the collecting pipe can be dismantled with gas-liquid separation subassembly's bottom and be connected. The utility model discloses need not the power consumption, easy operation, portable moreover, the sampling efficiency is high.
Description
Technical Field
The utility model relates to a sample thief, concretely relates to simple and easy expiratory gas condensate collection system.
Background
The detection of Exhaled Breath Condensate (EBC) is a method for detecting the inflammatory state of respiratory diseases which is newly appeared in recent years, is a noninvasive means for evaluating the inflammation and oxidative stress degree of the airways, has the advantages of simplicity, convenience, easiness, good repeatability and the like, is suitable for patients with serious diseases and children including infants, and provides a new way for monitoring the progress and the treatment effect of lung diseases, and how to collect EBC is the primary problem to be solved for the EBC detection. The collection method will directly affect the accuracy of the EBC content and the confidence in the response of pathological and physiological changes in the lung.
The EBC collectors now commercially available are ECoScreenI, ECo-Screen II, RTube, Anacon, TurboDeccs, etc. Each collector has corresponding characteristics and application range. Due to the problem of price, the EBC collector is rarely applied at home at present, and has the defects of saliva pollution, complex operation, inconvenience in carrying, low collection efficiency, cross pollution in the recovery process, incapability of monitoring the cooling temperature in real time and the like.
Some EBC collector exhaling pipes directly extend into the oral cavity to blow air, saliva is mixed with exhaled air and blown out, and some EBC collector accessories are more, and the replacement operation is more complicated. And the operation process is easy to cause cross contamination. EBC collection usually adopts a condensation mode and can be divided into water bath refrigeration, compressor refrigeration and semiconductor refrigeration. The water bath refrigeration can not be continuously collected, and the water bath is easy to form aerosol to pollute the sample, so that the sewage post-treatment is difficult. The compressor is not easy to miniaturize in refrigeration, and has higher power consumption and portability. The power consumption of the semiconductor wafer is low, but the refrigerating area is small, if the EBC collecting efficiency is improved, the saturation curves of all temperatures and air pressures need to be accurately evaluated, the condensing temperature needs to be set scientifically, and the optimal efficiency can be achieved only by reasonably designing a sampling structure.
Aiming at the problems of the collector, a portable expired air condensate collector which does not need electricity, is small and exquisite and is simple to operate needs to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple and easy expiratory gas condensate collection system to solve not enough among the prior art, it need not the power consumption, easy operation, portable moreover, and the sampling efficiency is high.
The utility model provides a simple and easy expiratory gas condensate collection system, including cooling module, gas-liquid separation subassembly, gas blow pipe and collecting pipe, the last axial that is formed with of cooling module holds the storehouse, the cooling module intussuseption is filled with the coolant liquid, the gas-liquid separation subassembly with hold storehouse plug connection, the lower extreme of gas-liquid separation subassembly run through in cooling module's bottom, the gas blow pipe with cooling module's top plug connection, the collecting pipe with the connection can be dismantled to gas-liquid separation subassembly's bottom.
In the aforementioned simple and easy expiratory gas condensate collection device, preferably, cooling module includes cylindric inner wall, cylindric outer wall, bottom plate and top cap, the bottom plate with the bottom of cylindric inner wall with the bottom fixed connection of cylindric outer wall, the central point of bottom plate puts and is formed with first through-hole, the diameter of first through-hole is less than the internal diameter of cylindric inner wall, the inner space of cylindric inner wall constitutes hold the storehouse, cylindric inner wall cylindric outer wall and the bottom plate encloses into the coolant liquid and holds the storehouse, the top cap is the ring column structure, the top cap lock is in the coolant liquid holds on the storehouse.
In the simple exhaled air condensate collecting device, preferably, the cooling liquid is water, and the cooling component is made of metal.
In the simple exhaled gas condensate collecting device, preferably, the gas-liquid separation assembly includes a separation cylinder and a separation cover, an outer diameter of the separation cylinder is equal to an inner diameter of the cylindrical inner wall, a bottom of the separation cylinder is of a tapered structure, a connecting portion is formed at the bottom of the separation cylinder, an external thread is formed on the connecting portion, and the collecting pipe is in threaded connection with the connecting portion; the top of the separating cylinder is provided with an opening, and the separating cover is buckled and connected with the opening at the top of the separating cylinder.
In the simple exhaled air condensate collecting device, preferably, an air hole is formed in the center of the separating cover, an air pipe connecting hole is further formed in the separating cover, the axis direction of the air pipe connecting hole is tangent to the side wall of the separating cylinder, and the air blowing pipe is connected with the air pipe connecting hole in an inserting manner.
In the aforesaid simple and easy expiratory gas condensate collection device, preferably, still include the support, the support includes support ring and supporting leg, the supporting leg sets up the bottom of support ring, the internal diameter of support ring equals cooling module's external diameter, the bottom of support ring is provided with limiting bottom plate, limiting bottom plate's central point puts and is formed with the hole of dodging.
Compared with the prior art, the utility model discloses a cooling module, gas-liquid separation subassembly, gas blow pipe and collecting pipe are formed with along the axial on the cooling module and hold the storehouse, and the cooling module intussuseption is filled with the coolant liquid, and gas-liquid separation subassembly with hold storehouse plug-in connection, gas blow pipe and cooling module's top plug-in connection, collecting pipe and gas-liquid separation subassembly's bottom can be dismantled and be connected, gas blow pipe and gas-liquid separation subassembly's bottom. The utility model discloses put into the refrigerator with cooling module when not using and freeze, take out in the refrigerator when using, pack gas-liquid separation subassembly into cooling module in to install gas blow pipe and collecting pipe, patient directly blow towards the gas blow pipe can, the gas that blows off produces the heat exchange at gas-liquid separation subassembly's inner wall and condenses into the drop of water, in the inner wall gliding and inflow collecting pipe of gas-liquid separation subassembly. The utility model discloses need not the power consumption, simple structure, small and exquisite moreover conveniently carry, can effectively improve sampling efficiency.
Drawings
Fig. 1 is an isometric view of the overall structure of the present invention;
FIG. 2 is an isometric view of the cooling assembly and the bracket;
FIG. 3 is an isometric view of another angle of the cooling assembly;
FIG. 4 is an isometric view of a gas-liquid separation module and collection tube.
Description of reference numerals: the cooling assembly 1, the gas-liquid separation assembly 2, the gas blow pipe 3, the collecting pipe 4, the containing bin 5, the cylindrical inner wall 6, the cylindrical outer wall 7, the bottom plate 8, the first through hole 9, the cooling liquid containing bin 10, the top cover 11, the separating cylinder 12, the separating cover 13, the connecting part 14, the gas hole 15, the gas pipe connecting hole 16, the supporting ring 17, the supporting legs 18, the bottom plate 19 and the avoiding hole 20.
Detailed Description
The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
The embodiment of the utility model provides a: as shown in fig. 1-4, a simple and easy expiratory gas condensate collection system, including cooling module 1, gas-liquid separation subassembly 2, gas blow pipe 3 and collecting pipe 4, be formed with along the axial on the cooling module 1 and hold storehouse 5, the intussuseption of cooling module 1 is filled with the coolant liquid, the coolant liquid can adopt the water, gas-liquid separation subassembly 2 with hold 5 plug-in connections in storehouse, the lower extreme of gas-liquid separation subassembly 2 runs through in the bottom of cooling module 1, gas blow pipe 3 is plug-in connections with the top of cooling module 1, collecting pipe 4 can be dismantled with the bottom of gas-liquid separation subassembly 2 and be connected.
Not using the utility model discloses in the time, pack into water in cooling module 1, then put into the refrigerator with cooling module 1 and freeze, take out cooling module 1 during the use, insert gas-liquid separation subassembly 2 and hold in the storehouse 5, then adorn gas-liquid separation subassembly 2's bottom with collecting pipe 4, adorn gas blow pipe 3 to gas-liquid separation subassembly 2's top, the patient face gas blow pipe 3 blow can, gas blow pipe 3 adopts the edible level blowpipe of 6mm, the gas that the patient blew out enters into in the gas-liquid separation subassembly 2, the gas is condensed under cooling module 1's effect, the condensation drop of water is attached to on gas-liquid separation subassembly 2's the inner wall, and flow into in collecting pipe 4 along the inner wall, in order to prevent sampling cross infection, gas-liquid separation subassembly 2 and gas blow pipe 3 all adopt disposable articles for use, adopt plastics to make. The utility model discloses simple structure, portable need not the power consumption when using moreover, have greatly improved the convenience and the sampling efficiency of sampling.
In a specific embodiment, the cooling assembly 1 includes a cylindrical inner wall 6, a cylindrical outer wall 7, a bottom plate 8 and a top cover 11, the bottom plate 8 is fixedly connected with the bottom of the cylindrical inner wall 6 and the bottom of the cylindrical outer wall 7, a first through hole 9 is formed at the central position of the bottom plate 8, the diameter of the first through hole 9 is smaller than the inner diameter of the cylindrical inner wall 6, the inner space of the cylindrical inner wall 6 forms a containing bin 5, the cylindrical inner wall 6, the cylindrical outer wall 7 and the bottom plate 8 enclose a cooling liquid containing bin 10, the top cover 11 is of an annular structure, and the top cover 11 is buckled on the cooling liquid containing bin 10.
In this embodiment, the cooling liquid is preferably water, and the cooling module 1 is made of metal. During the use, water is filled into the cooling liquid accommodating bin 10, then the top cover 11 is covered, the cooling assembly is placed into the refrigerator for freezing, and the cooling assembly 1 can be maintained in a low-temperature state for a long time after the water is frozen into ice, so that the sampling quantity is increased. In addition, the cooling liquid is wrapped by the cooling component 1, so that the secondary aerosol is avoided, and the device is simple in structure, simple to operate and small in size.
Further, the gas-liquid separation assembly 2 comprises a separation cylinder 12 and a separation cover 13, the outer diameter of the separation cylinder 12 is equal to the inner diameter of the cylindrical inner wall 6, the bottom of the separation cylinder 12 is of a conical structure, a connecting part 14 is formed at the bottom of the separation cylinder 12, external threads are formed on the connecting part 14, and the collecting pipe 4 is in threaded connection with the connecting part 14; the top of the separating cylinder 12 is provided with an opening, and the separating cover 13 is buckled with the top opening of the separating cylinder 12.
The separating cylinder 12 is tightly attached to the cylindrical inner wall 6, so that the heat exchange rate can be improved, and the gas exhaled by the patient can be rapidly condensed into water drops. For facilitating the loading and unloading of the separation cylinder 12, the height of the separation cylinder 12 is preferably higher than the height of the cylindrical inner wall 6.
In a preferred mode, an air hole 15 is formed in the center of the separating cover 13, an air pipe connecting hole 16 is further formed in the separating cover 13, the axial direction of the air pipe connecting hole 16 is tangent to the side wall of the separating cylinder 12, and the air blowing pipe 3 is connected with the air pipe connecting hole 16 in an inserting mode. The special structural design of the air pipe connecting hole 16 enables the air blown out by the patient to form spiral airflow in the separating cylinder 12 and form a liquid film on the inner wall of the separating cylinder 12, thereby being beneficial to improving the EBC recovery efficiency and collecting fine particles in the exhaled air; the condensate enters the condensate collecting pipe under the driving of blowing, and does not remain in the condensing pipe; the air hole 15 in the center of the separating cover 13 is used for exhausting air, so that the difficulty of blowing air for a patient is reduced, and the patient can easily blow the air into the separating cylinder 13.
Furthermore, the cooling device further comprises a support, the support comprises a support ring 17 and supporting legs 18, the supporting legs 18 are arranged at the bottom of the support ring 17, the inner diameter of the support ring 17 is equal to the outer diameter of the cooling assembly 1, a limiting bottom plate 19 is arranged at the bottom of the support ring 17, and an avoiding hole 20 is formed in the center of the limiting bottom plate 19.
The setting of support can make the utility model discloses place and use on the desk, the patient also can hand the support and stand and blow, and the support not only plays the supporting role, can also prevent effectively that cooling module 1 from frostbite user's hand, plays the guard action.
The structure, features and effects of the present invention have been described in detail above according to the embodiment shown in the drawings, and the above description is only the preferred embodiment of the present invention, but the present invention is not limited to the implementation scope shown in the drawings, and all changes made according to the idea of the present invention or equivalent embodiments modified to the same changes should be considered within the protection scope of the present invention when not exceeding the spirit covered by the description and drawings.
Claims (6)
1. The utility model provides a simple and easy expiratory gas condensate collection system which characterized in that: including cooling module (1), gas-liquid separation subassembly (2), gas blow pipe (3) and collecting pipe (4), be formed with along the axial on cooling module (1) and hold storehouse (5), cooling module (1) intussuseption is filled with the coolant liquid, gas-liquid separation subassembly (2) with hold storehouse (5) plug-in connection, the lower extreme of gas-liquid separation subassembly (2) run through in the bottom of cooling module (1), gas blow pipe (3) with the top plug-in connection of cooling module (1), collecting pipe (4) with the connection can be dismantled to the bottom of gas-liquid separation subassembly (2).
2. The simple exhaled breath condensate collection device of claim 1, wherein: cooling module (1) includes cylindric inner wall (6), cylindric outer wall (7), bottom plate (8) and top cap (11), bottom plate (8) with the bottom of cylindric inner wall (6) with the bottom fixed connection of cylindric outer wall (7), the central point of bottom plate (8) puts and is formed with first through-hole (9), the diameter of first through-hole (9) is less than the internal diameter of cylindric inner wall (6), the inner space of cylindric inner wall (6) constitutes hold storehouse (5), cylindric inner wall (6) cylindric outer wall (7) and bottom plate (8) enclose into the coolant liquid and hold storehouse (10), top cap (11) are the ring annular structure, top cap (11) lock is in the coolant liquid holds on the storehouse (10).
3. The simple exhaled breath condensate collection device of claim 1 or 2, wherein: the cooling liquid is water, and the cooling component (1) is made of metal.
4. The simple exhaled breath condensate collection device of claim 2, wherein: the gas-liquid separation assembly (2) comprises a separation barrel (12) and a separation cover (13), the outer diameter of the separation barrel (12) is equal to the inner diameter of the cylindrical inner wall (6), the bottom of the separation barrel (12) is of a conical structure, a connecting part (14) is formed at the bottom of the separation barrel (12), external threads are formed on the connecting part (14), and the collecting pipe (4) is in threaded connection with the connecting part (14); the top of the separating cylinder (12) is provided with an opening, and the separating cover (13) is buckled with the top opening of the separating cylinder (12).
5. The simple exhaled breath condensate collection device of claim 4, wherein: the center of separation lid (13) is formed with gas pocket (15), still be formed with trachea connecting hole (16) on separation lid (13), the axis direction of trachea connecting hole (16) with separating cylinder (12) lateral wall is tangent, gas blow pipe (3) with trachea connecting hole (16) plug-in connection.
6. The simple exhaled breath condensate collection device of claim 1, wherein: the support is characterized by further comprising a support, the support includes a support ring (17) and supporting legs (18), the supporting legs (18) are arranged at the bottom of the support ring (17), the inner diameter of the support ring (17) is equal to the outer diameter of the cooling assembly (1), a limiting bottom plate (19) is arranged at the bottom of the support ring (17), and an avoiding hole (20) is formed in the center position of the limiting bottom plate (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120503273.3U CN214472089U (en) | 2021-03-09 | 2021-03-09 | Simple exhaled air condensate collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120503273.3U CN214472089U (en) | 2021-03-09 | 2021-03-09 | Simple exhaled air condensate collecting device |
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| Publication Number | Publication Date |
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| CN214472089U true CN214472089U (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120503273.3U Active CN214472089U (en) | 2021-03-09 | 2021-03-09 | Simple exhaled air condensate collecting device |
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| CN (1) | CN214472089U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857922A (en) * | 2021-03-09 | 2021-05-28 | 北京大学第三医院（北京大学第三临床医学院） | Simple exhaled air condensate collecting device |
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2021
- 2021-03-09 CN CN202120503273.3U patent/CN214472089U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857922A (en) * | 2021-03-09 | 2021-05-28 | 北京大学第三医院（北京大学第三临床医学院） | Simple exhaled air condensate collecting device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220719 Address after: 200131 No. 778, Chuangxin West Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee after: Tongguan (Shanghai) Biotechnology Co.,Ltd. Address before: 100191 No. 49 Garden North Road, Beijing, Haidian District Patentee before: PEKING University THIRD HOSPITAL (PEKING UNIVERSITY THIRD CLINICAL MEDICAL College) |
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| TR01 | Transfer of patent right |