CN109540610A - A kind of sample collecting apparatus - Google Patents
A kind of sample collecting apparatus Download PDFInfo
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- CN109540610A CN109540610A CN201811523126.1A CN201811523126A CN109540610A CN 109540610 A CN109540610 A CN 109540610A CN 201811523126 A CN201811523126 A CN 201811523126A CN 109540610 A CN109540610 A CN 109540610A
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- collecting apparatus
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- 238000012360 testing method Methods 0.000 claims abstract description 92
- 238000001514 detection method Methods 0.000 claims abstract description 33
- 230000008602 contraction Effects 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 17
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 12
- 238000010586 diagram Methods 0.000 description 9
- 229910002092 carbon dioxide Inorganic materials 0.000 description 6
- 239000001569 carbon dioxide Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 238000002372 labelling Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 description 2
- 241000532370 Atla Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 241000590002 Helicobacter pylori Species 0.000 description 1
- BELBBZDIHDAJOR-UHFFFAOYSA-N Phenolsulfonephthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2S(=O)(=O)O1 BELBBZDIHDAJOR-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013399 early diagnosis Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229940037467 helicobacter pylori Drugs 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000007793 ph indicator Substances 0.000 description 1
- 229960003531 phenolsulfonphthalein Drugs 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 210000001187 pylorus Anatomy 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N1/2214—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling by sorption
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
The present invention relates to the field of medical instrument technology, provide a kind of sample collecting apparatus, absorbing component including shell and for absorbing gas, shell is equipped with air inlet, gas outlet, first passage, second channel, test chamber, absorbing component is arranged in test chamber, test chamber offers detection window, detects and is covered with shielding layer on window；First passage is connected to air inlet, second channel is connected to gas outlet, the side of test chamber is provided with the first access of connection first passage and test chamber, the other side of test chamber is provided with the alternate path of connection second channel and test chamber, pass through the guiding role of first passage and the first access, the gas of measured's exhalation is imported into test chamber from test chamber side, then it is discharged from the test chamber other side by alternate path and second channel, facilitate gas and come into full contact with the absorbing component in test chamber to react, to improve sample collection efficiency.
Description
Technical field
The present invention relates to the field of medical instrument technology more particularly to a kind of sample collecting apparatus.
Background technique
In medical domain, certain diseases are diagnosed using the method for breath test, are had quick, safe, painless
Feature facilitates the early diagnosis and therapy of disease.Such as the detection of helicobacter pylori, isotope labelling carbon is taken orally to measured
(13C、14C urea drug), drug enter the CO containing isotope labelling generated after human body decomposes2It breathes and exhales with measured
Out, exhaled gas sample is collected, the CO of the isotope labelling is detected2Content, accordingly show whether measured infects pylorus spiral shell
Bar and the degree of infection.It in the prior art, is only that sample carrier is simply located to carrying when collecting measured's exhaled gas
On tool, then exhaling again against sample carrier, which makes sample carrier absorb the carbon dioxide in gas, becomes sample to be tested, receives
It is lower to collect efficiency.Accordingly, it is desirable to provide the technical issues of a kind of new technical solution is to solve sample collection low efficiency.
Summary of the invention
The present invention is intended to provide a kind of can lead sample collecting apparatus for what the gas of entrance was oriented to, measured can be exhaled
Gas out imports in the cavity for being equipped with absorbing component, to improve sample collection efficiency.
The technical proposal adopted by the invention to solve the above technical problems is that:
The present invention provides a kind of sample collecting apparatus, the absorbing component including shell and for absorbing gas, the shell
Equipped with air inlet, gas outlet, first passage, second channel and test chamber, the absorbing component is arranged in the test chamber, described
Test chamber offers detection window, is covered with shielding layer on the detection window；The air inlet, the first passage, the detection
Chamber, the second channel and the gas outlet are sequentially communicated.
As an improvement of the above technical solution, the side of the test chamber is provided with multiple connections first passage and institute
The first access of test chamber is stated, the other side of the test chamber is provided with multiple connection second channels and the test chamber
Alternate path.
As a further improvement of the above technical scheme, the test chamber is circular cavity body structure, and each described first is logical
The circumferentially-spaced arrangement of test chamber side described in curb, circumferentially-spaced row of each alternate path along the test chamber other side
Cloth.
As a further improvement of the above technical scheme, first access includes the first air channel and first through hole, institute
One end that first through hole is set to first air channel is stated, and the first through hole connects first air channel and first passage
Logical, the other end of first air channel is connected to the test chamber；The alternate path includes that the second air channel and second are logical
Hole, second through-hole are set to one end of second air channel, and second through-hole will second air channel and described the
The connection of two channels, the other end of second air channel are connected to the test chamber.
As a further improvement of the above technical scheme, first air channel and second air channel are arranged at institute
It states on the lateral surface of shell.
As a further improvement of the above technical scheme, the shielding layer by it is described detection window, first through hole outer nose end,
The notch of the outer nose end of second through-hole, the notch of first air channel and the second air channel covers.
As a further improvement of the above technical scheme, the lateral surface of the shell is provided on the periphery of the detection window
Sunk structure, first air channel and second air channel are provided with the bottom surface of the sunk structure.
As a further improvement of the above technical scheme, the sunk structure from the surface depressions of the shell and is formed with
The fossaperturate to connect with the detection window, the shielding layer are attached at the fossaperturate.
As a further improvement of the above technical scheme, the shell includes the first sub-assembly and the second sub-assembly, described
First sub-assembly and second sub-assembly assemble to form the first passage, the second channel and the test chamber.
As a further improvement of the above technical scheme, the detection window is arranged on first sub-assembly, and described the
The medial surface of one sub-assembly is provided with convex wall around the detection window, and the medial surface of second sub-assembly is provided with annular groove,
After first sub-assembly and second sub-assembly assembling, the convex wall is located in the annular groove, the edge of the absorbing component
It is pressed between the convex wall and the annular groove.
As a further improvement of the above technical scheme, the convex wall is convex annular wall, the convex annular wall and the inspection
It surveys between the edge of window and is provided with limiting stand, the region that the annular groove surrounds forms erecting bed, and the absorbing component is arranged described
On erecting bed, the erecting bed is in the convex annular wall, and the absorbing component is sandwiched in the erecting bed and the limiting stand
Between.
As a further improvement of the above technical scheme, the first cavity and second recessed is provided on first sub-assembly
Chamber is provided with third cavity and the 4th cavity, first cavity and third cavity position phase on second sub-assembly
It mutually corresponds to and forms the first passage；Second cavity and the 4th cavity position correspond to each other and form described second
Channel.
As a further improvement of the above technical scheme, the absorbing component includes the arc absorbing surface of outwardly convex.
As a further improvement of the above technical scheme, indicating piece, the shell are further fixedly arranged in the first passage
The position that the indicating piece is corresponded on body offers observation panel.
As a further improvement of the above technical scheme, the first passage includes expansion segment and contraction section, the expansion
Section is between the air inlet and the contraction section, and the width of the expansion segment is from the air inlet to the side of the contraction section
To being gradually expanded, the contraction section between the air inlet section and the test chamber, the width of the contraction section from it is described into
The end of gas section is gradually tapered up to the direction of the test chamber.
As a further improvement of the above technical scheme, the second channel includes expanding section, the width of the expanding section
Degree is gradually expanded from the test chamber to the direction of the gas outlet.
As a further improvement of the above technical scheme, the shielding layer is that solid-state flashes film or solid-state scintiphoto or soft thin
Film or thin slice or hard cover board.
It as a further improvement of the above technical scheme, further include X-ray excited polycrystalline structure scintillator, the X-ray excited polycrystalline structure scintillator is to be attached to
Granulated solid scintillator on the absorbing component.
The beneficial effects of the present invention are:
The shell of sample collecting apparatus of the invention includes air inlet, gas outlet, first passage, second channel and detection
Chamber, absorbing component are arranged in test chamber, and test chamber offers detection window, detect and are covered with shielding layer on window, and air inlet, first are led to
Road, test chamber, second channel and gas outlet are sequentially communicated；Thus, pass through the guiding role of first passage, the gas of measured's exhalation
Body can be imported into test chamber from test chamber side, be then discharged from the test chamber other side by second channel, along with masking
The barrier effect of layer facilitates gas and comes into full contact with the absorbing component in test chamber to react, to improve sample collection efficiency.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing briefly describes:
Fig. 1 is the structural schematic diagram of one embodiment of the invention；
Fig. 2 is the structural schematic diagram of second sub-assembly one embodiment in the present invention；
Fig. 3 is the structural schematic diagram of first sub-assembly one embodiment in the present invention；
Fig. 4 is the medial surface schematic diagram of the first sub-assembly shown in Fig. 3；
Fig. 5 is the lateral surface schematic diagram of the first sub-assembly described in Fig. 3.
Specific embodiment
It is carried out below with reference to the technical effect of 1~5 pair of design of the invention of embodiment and attached drawing, specific structure and generation
It clearly and completely describes, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this
A part of the embodiment of invention, rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art are not being paid
Other embodiments obtained under the premise of creative work out, belong to the scope of protection of the invention.In addition, involved in patent
All connection/the connection relationships arrived not singly refer to that component directly connects, and addition can be passed through according to specific implementation situation by referring to
Or reduce couple auxiliary, Lai Zucheng more preferably coupling structure.The orientation such as upper and lower, left and right involved in the present invention describe only
It is relative to the position relationship of the components of the invention in the accompanying drawings.Each technical characteristic in the present invention,
It can be with combination of interactions under the premise of not conflicting conflict.
Fig. 1 be one embodiment of the invention structural schematic diagram, sample collecting apparatus includes shell, be provided on shell into
Port 10, gas outlet 20, first passage 30, second channel 40 and test chamber 50, sample collecting apparatus further include for absorbing gas
The absorbing component 60 of body, dotted portion shows first passage 30,40 and of second channel inside sample collecting apparatus in figure
Test chamber 50, absorbing component 60 are arranged in test chamber 50, and test chamber 50 offers detection window 51, carry out so that detecting instrument docks
Detection, shielding layer (not shown) can be covered on window 51 by detecting, and can be flexible film, thin slice or hard cover board etc., be hidden
The absorbing component 60 that covering layer can will test in chamber 50 is separated with the external world, is facilitated under test gas sample and is sufficiently absorbed part absorption.Into
Port 10, first passage 30, test chamber 50, second channel 40 and gas outlet 20 are sequentially communicated.The side of test chamber 50 is provided with
Multiple the first accesses 70 for being connected to first passage 30 with test chamber 50, the other side of test chamber 50 is provided with multiple to be led to second
Therefore the alternate path 80 that road 40 is connected to test chamber 50 passes through 70 guiding role of first passage 30 and the first access, measured
The gas of exhalation is imported into test chamber 50 from 50 side of test chamber, then passes through 80 He of alternate path from 50 other side of test chamber
Second channel 40 is discharged, and along with the barrier effect of shielding layer, facilitates gas and sufficiently connects with the absorbing component 60 in test chamber 50
Touching reaction, to improve sample collection efficiency.
In the present embodiment, test chamber 50 is circular cavity body structure, circumferential direction of each first access 70 along 50 side of test chamber
It is intervally arranged, circumferentially-spaced arrangement of each alternate path 80 along 50 other side of test chamber.First passage 30 includes expansion segment and receipts
Contracting section, expansion segment is between air inlet 10 and contraction section, and contraction section is between expansion segment and test chamber 50；Expansion segment has
The width of diffusion, the expansion segment is gradually expanded from air inlet 10 to the direction of contraction section, can be to being blown into from air inlet 10
Gas plays diffusion, consequently facilitating blowing；It is gradually received to the direction of test chamber 50 end of the width self expandable section of contraction section
Gas in expansion segment can be preferably oriented in test chamber by contracting；Second channel 40 includes expanding section, the width of the expanding section
Self-test chamber 50 is gradually expanded to the direction of gas outlet 20, is uniformly diffused into second channel 40 convenient for the gas in test chamber 50
In, facilitate gas to be discharged.From each first in 50 side circumferential direction of test chamber after the gas filling first passage 30 of person under test's exhalation
Access 70 enters test chamber 50, then from 80 row of each alternate path in 50 other side circumferential direction of test chamber to second channel 40, so that
The stream pressure for entering test chamber 50 from each first access 70 is essentially identical, avoids gas in test chamber 50 from being unevenly distributed, has
Help gas and contact absorbing component 60 uniformly to come into full contact with reaction, and then improves sample collection efficiency.
Be additionally provided in the shell of sample collecting apparatus indicating piece (be not shown in the figure, can refer to hereafter and Fig. 3) indicating piece
Upper to have indicator, which can be PH indicator, such as phenolphthalein, phenol red etc.；Sample collecting apparatus corresponds to the indicating piece
Position is provided with pit 91, and observation panel 92 is offered on pit 91, is covered at observation panel 92 transparent for closing observation panel
The indicating piece inside sample collecting apparatus can be observed by the observation panel 92 in 92 confining bed, and the effect of indicating piece will be under
Illustrate in text.
Above-mentioned shielding layer can be X-ray excited polycrystalline structure scintillator, which can flash the side of film or solid-state scintiphoto with solid-state
Formula is covered on above detection window 51, and the sample to be tested in absorbing component 60 can make X-ray excited polycrystalline structure scintillator by exciting the X-ray excited polycrystalline structure scintillator
Optical signal is issued, so that scintillation detector is detected.In other embodiments of the invention, to realize testing goal, Gu
State scintillator may be set to be other forms, for example, granulated solid scintillator can be attached on absorbing component.
Fig. 2 is the structural schematic diagram of second sub-assembly B one embodiment in the present invention, and Fig. 3 is the first combination in the present invention
The structural schematic diagram of part A one embodiment, with reference to Fig. 2,3 and combine Fig. 1, the shell of sample collecting apparatus of the invention can
It is an integral structure, can also be assembled for split type structure, present embodiments provide one of scheme of split type structure, sample
Acquisition device includes that the first sub-assembly A and the second sub-assembly B, the first sub-assembly A and the second sub-assembly B assembles to form first passage
30, second channel 40 and test chamber 50.Wherein, it is provided with the first cavity 31 and the second cavity 41 on the first sub-assembly A, second group
Third cavity 32 and the 4th cavity 42 are provided on component B, the first cavity 31 and 32 position of third cavity correspond to each other and form
First passage 30；Second cavity 41 and 42 position of the 4th cavity correspond to each other and form second channel 40.
It detects window 51 to be arranged on the first sub-assembly A, the medial surface of the first sub-assembly A is provided with around detection window 51
Convex wall 52, convex wall 52 can be convex annular wall, and the medial surface of the second sub-assembly B is provided with annular groove 53, the first sub-assembly A and second group
After component B is assembled, convex wall 52 is located in annular groove 53, and the space that convex wall 52 and annular groove 53 surround is used to install absorbing component, absorbing component
60 edge is pressed between convex wall 52 and annular groove 53, so that absorbing component 60 is fixed in test chamber 50, it can be achieved that absorbing component
60 fast assembling-disassembling.
It is provided with limiting stand 54 between convex wall 52 and the edge for detecting window 51, the region that annular groove 53 surrounds forms erecting bed
55, absorbing component 60 be arranged on erecting bed 55, the first sub-assembly A and the second sub-assembly B assembling after, erecting bed 55 be embedded in above-mentioned ring
In shape convex wall, the inner wall of limiting stand 54 forms position limiting structure to erecting bed, prevents erecting bed from shifting, realizes the limit of installation, inhales
The edge of addressee 60 is sandwiched between erecting bed 55 and limiting stand 54, can prevent absorbing component 60 from shifting.
It, can be by the location swap of above-mentioned convex wall 52 and annular groove 53, for example, can be as the simple deformation of above-described embodiment
Annular groove 53 is arranged in 51 surrounding of detection window of one sub-assembly A, and convex wall 52 is correspondingly arranged on the second sub-assembly B, 52 He of convex wall
The effect of sliding slot 53 is constant, and the deformation scheme is also within the scope of the present invention.
In the present embodiment, absorbing component 60 can be added the suction that can be used for adsorbing carbon dioxide gas by cotton or non-woven fabrics substrate
Attached dose is made, and for absorbing the carbon dioxide in measured's exhaled gas, absorbing component 60 includes the arc absorbing surface of outwardly convex,
Adsorption area can be increased.
It is provided with mutually matched locating slot A1 between the edge of first sub-assembly A and the edge of the second sub-assembly B and determines
Assembling can be completed by locating slot A1 and the corresponding installation of location fin B1 when assembling in position fin B1, and realization positioning function has
Help accurately and rapidly assemble the first sub-assembly A and the second sub-assembly B.Between first cavity 31 and third cavity 32
It is provided with mutually matched positioning column 33 and location hole 34, when assembling, positioning column 33 and the corresponding installation of location hole 34 has
Positioning and function against pressure.
With reference to Fig. 3, it is further fixedly arranged on indicating piece 90 in first passage, is provided with indicator on indicating piece 90, it can basis
How much presentations of the amount of the carbon dioxide of absorption are different colors, are used to indicate the amount of the carbon dioxide of measured's exhalation, work as quilt
When amount needed for the gas of survey person's exhalation can make the absorbing component absorption detecting in above-mentioned test chamber, indicating piece 90 is shown accordingly
Color, corresponding color data can be obtained by test of many times, production control colour atla is to compare judgement.Sample collecting apparatus
Observation panel 92 (see Fig. 1) is offered at the position of upper corresponding indicating piece 90, to judge from the variation of external observation indicating piece 90
Whether required carbon dioxide gas is enough, to prompt whether measured needs to continue to exhale, has convenient, intuitive spy
Point.Indicating piece 90 can be conllinear with air inlet 10, test chamber 50, and the side of relatively close test chamber 50 is arranged in, and is conducive to refer to
Show the amount of piece more accurately exhaled gas needed for reaction detection.
Specifically, being provided with the mounting portion for installing indicating piece 90 in the first cavity 31, which has several certainly
The convex bulge-structure 36 outstanding of first cavity 31 surrounds, and the bulge-structure of the present embodiment is cylindrical protrusions structure, and surrounds circle
Shape mounting portion, circular indicating piece 90 are placed in the mounting portion, are provided with a boss in third cavity 32 on the second sub-assembly B
After 35, first assembly A and the second component B are assembled, the boss 35 and the mounting portion are against indicating piece is placed in the space that the two surrounds
Interior, the gas in first passage enters mounting portion by the gap between bulge-structure and reacts with indicating piece.
Fig. 4 is the medial surface schematic diagram of the first sub-assembly A shown in Fig. 3, and Fig. 5 is the outer of the first sub-assembly A described in Fig. 3
Side schematic view, with reference to Fig. 4,5, the first access 70 includes the first air channel 71 and first through hole 72, and alternate path 80 wraps
The second air channel 81 and the second through-hole 82 are included, each first through hole 72 and each second through-hole 82 are respectively along the week of 52 opposite sides of convex wall
To setting, first through hole 72 is set to one end of the first air channel 71, and first through hole 72 is by first passage 30 and the first air channel 71
Connection, the other end of the first air channel 71 is connected to test chamber 50, to can pass through each first from the gas in first passage 30
Access 70 enters test chamber 50；Second through-hole 82 be set to the second air channel 81 one end, the second through-hole 82 by second channel 40 with
The connection of second air channel 81, the other end of the second air channel 81 is connected to test chamber 50, so that the gas in test chamber 50 can lead to
Each alternate path 80 is crossed to be discharged in second channel 40.
In the present embodiment, each first air channel 71 and each second air channel 81 are arranged at the outside of the first sub-assembly A
On face, above-mentioned shielding layer will test window 51, the outer nose end of first through hole 72, the outer nose end of the second through-hole 82, the first air channel 71
Notch and the notch of the second air channel 81 cover, can avoid gas as a result, through detection window 51, above-mentioned each through-hole and above-mentioned
The notch of each air channel is escaped, be conducive to make gas preferably with absorbing component haptoreaction.
Preferably, the lateral surface of the first sub-assembly A may be provided with sunk structure 56 on the periphery of detection window 51, above-mentioned each the
One air channel 71 and each second air channel 81 may be provided at the bottom surface of the sunk structure 56, and the sunk structure is from the first sub-assembly
The surface depressions of A are simultaneously formed with the fossaperturate to connect with above-mentioned detection window 51, and above-mentioned shielding layer can be attached at fossaperturate, by
This shielding layer can also be realized for detection window 51, the outer nose end of first through hole 72, the outer nose end of the second through-hole 82, the first ventilation
The covering of the notch of the notch of slot 71 and the second air channel 81.
It should be pointed out that above-mentioned first access 70, alternate path 80, detection window 51 and sunk structure 56 etc. can also set
It sets on the second sub-assembly B.
The also settable bar code area in the outside of sample collection device, for printing or pasting bar code, so as to detection device scanning
Read sample message.
It above are only presently preferred embodiments of the present invention, but the present invention is not restricted to above-described embodiment, be familiar with this field
Technical staff can also make a variety of equivalent deformation or replacement on the premise of without prejudice to spirit of the invention, these equivalent deformations
Or replacement is all included in the scope defined by the claims of the present application.
Claims (18)
1. a kind of sample collecting apparatus, it is characterised in that: the absorbing component including shell and for absorbing gas, the shell are equipped with
Air inlet, gas outlet, first passage, second channel and test chamber, the absorbing component are arranged in the test chamber, the detection
Chamber offers detection window, is covered with shielding layer on the detection window；The air inlet, the first passage, the test chamber, institute
It states second channel and the gas outlet is sequentially communicated.
2. sample collecting apparatus according to claim 1, it is characterised in that: the side of the test chamber is provided with multiple companies
Lead to the first access of the first passage Yu the test chamber, the other side of the test chamber is provided with multiple connections described second
The alternate path in channel and the test chamber.
3. sample collecting apparatus according to claim 2, it is characterised in that: the test chamber is circular cavity body structure,
Each first access is along the circumferentially-spaced arrangement of the test chamber side, and each alternate path is along the test chamber other side
Circumferentially-spaced arrangement.
4. sample collecting apparatus according to claim 2, it is characterised in that: first access include the first air channel and
First through hole, the first through hole is set to one end of first air channel, and the first through hole is by first air channel
It is connected to first passage, the other end of first air channel is connected to the test chamber；The alternate path includes second logical
Air drain and the second through-hole, second through-hole are set to one end of second air channel, and second through-hole leads to described second
Air drain is connected to the second channel, and the other end of second air channel is connected to the test chamber.
5. sample collecting apparatus according to claim 4, it is characterised in that: first air channel and second ventilation
Slot is arranged on the lateral surface of the shell.
6. sample collecting apparatus according to claim 5, it is characterised in that: the shielding layer is by the detection window, first
The outer nose end of through-hole, the outer nose end of the second through-hole, the notch of first air channel and the notch of the second air channel cover.
7. sample collecting apparatus according to claim 5, it is characterised in that: the lateral surface of the shell is in the detection window
Periphery be provided with sunk structure, first air channel and second air channel are provided with the bottom surface of the sunk structure.
8. sample collecting apparatus according to claim 7, it is characterised in that: the sunk structure is from the surface of the shell
It sink and is formed with the fossaperturate to connect with the detection window, the shielding layer is attached at the fossaperturate.
9. sample collecting apparatus according to claim 1, it is characterised in that: the shell includes the first sub-assembly and second
Sub-assembly, first sub-assembly and second sub-assembly assemble to form the first passage, the second channel and described
Test chamber.
10. sample collecting apparatus according to claim 9, it is characterised in that: the detection window is arranged at described first group
On component, the medial surface of first sub-assembly is provided with convex wall, the inside of second sub-assembly around the detection window
Face is provided with annular groove, and after first sub-assembly and second sub-assembly assemble, the convex wall is located in the annular groove, described
The edge of absorbing component is pressed between the convex wall and the annular groove.
11. sample collecting apparatus according to claim 10, it is characterised in that: the convex wall is convex annular wall, the ring
It is provided with limiting stand between shape convex wall and the edge of the detection window, the region that the annular groove surrounds forms erecting bed, the suction
Addressee is arranged on the erecting bed, and the erecting bed is in the convex annular wall, and the absorbing component is sandwiched in the installation
Between platform and the limiting stand.
12. sample collecting apparatus according to claim 9, it is characterised in that: be provided with first on first sub-assembly
Cavity and the second cavity are provided with third cavity and the 4th cavity, first cavity and described on second sub-assembly
Three cavity positions correspond to each other and form the first passage；Second cavity and the 4th cavity position correspond to each other simultaneously
Form the second channel.
13. sample collecting apparatus according to claim 1, it is characterised in that: the absorbing component includes the arc of outwardly convex
Shape absorbing surface.
14. sample collecting apparatus described according to claim 1~any one of 13, it is characterised in that: the first passage
In be further fixedly arranged on indicating piece, the position that the indicating piece is corresponded on the shell offers observation panel.
15. sample collecting apparatus according to claim 1, it is characterised in that: the first passage includes expansion segment and receipts
Contracting section, the expansion segment between the air inlet and the contraction section, the width of the expansion segment from the air inlet to
The direction of the contraction section is gradually expanded, and the contraction section is between the air inlet section and the test chamber, the contraction section
Width gradually tapered up from the end of the air inlet section to the direction of the test chamber.
16. sample collecting apparatus according to claim 1, it is characterised in that: the second channel includes expanding section, institute
The width for stating expanding section is gradually expanded from the test chamber to the direction of the gas outlet.
17. sample collecting apparatus according to claim 1, it is characterised in that: the shielding layer is that solid-state flashes film or solid
State scintiphoto or flexible film or thin slice or hard cover board.
18. sample collecting apparatus according to claim 1, it is characterised in that: further include X-ray excited polycrystalline structure scintillator, the solid-state is dodged
Bright body is the granulated solid scintillator being attached on the absorbing component.
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| CN201811523126.1A CN109540610B (en) | 2018-12-12 | 2018-12-12 | Sample collection device |
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| CN109540610B CN109540610B (en) | 2024-01-30 |
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