CN107937259A - A kind of portable membrane type cell harvestor - Google Patents
A kind of portable membrane type cell harvestor Download PDFInfo
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- CN107937259A CN107937259A CN201711484661.6A CN201711484661A CN107937259A CN 107937259 A CN107937259 A CN 107937259A CN 201711484661 A CN201711484661 A CN 201711484661A CN 107937259 A CN107937259 A CN 107937259A
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- type cell
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- 239000012528 membrane Substances 0.000 title claims abstract description 31
- 239000012530 fluid Substances 0.000 claims abstract description 121
- 239000000020 Nitrocellulose Substances 0.000 claims abstract description 17
- 238000001914 filtration Methods 0.000 claims abstract description 17
- 229920001220 nitrocellulos Polymers 0.000 claims abstract description 17
- 229920003023 plastic Polymers 0.000 claims description 8
- 229920002678 cellulose Polymers 0.000 claims description 4
- 239000001913 cellulose Substances 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- 238000003745 diagnosis Methods 0.000 abstract description 11
- 210000004027 cell Anatomy 0.000 description 35
- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 description 15
- 238000000034 method Methods 0.000 description 12
- 239000003480 eluent Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 4
- 238000004043 dyeing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000007170 pathology Effects 0.000 description 3
- 206010028980 Neoplasm Diseases 0.000 description 2
- 238000001574 biopsy Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000010827 pathological analysis Methods 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- PXFBZOLANLWPMH-UHFFFAOYSA-N 16-Epiaffinine Natural products C1C(C2=CC=CC=C2N2)=C2C(=O)CC2C(=CC)CN(C)C1C2CO PXFBZOLANLWPMH-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000006727 cell loss Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009881 electrostatic interaction Effects 0.000 description 1
- 238000012333 histopathological diagnosis Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000009595 pap smear Methods 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 244000144985 peep Species 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 210000004881 tumor cell Anatomy 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
- C12M47/04—Cell isolation or sorting
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Biotechnology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Cell Biology (AREA)
- Sustainable Development (AREA)
- Molecular Biology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Biomedical Technology (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention discloses a kind of portable membrane type cell harvestor, it is related to field of medical device, including cylinder cap, into fluid cylinder sum aggregate fluid cylinder, it is flexibly connected into fluid cylinder with collection fluid cylinder, cylinder cap is flexibly connected with into fluid cylinder, a stomata is provided with the side wall of cylinder cap and/or the side wall of collection fluid cylinder, soft rubber plug is provided with stomata, the lower end of fluid cylinder is provided with compressed part, compressed part is back taper mesa-shaped, the big end of compressed part is connected with the lower end into fluid cylinder, and it is provided with filter hole on the small end end face of compressed part, supporting network is fixed with by elastic webbing at collection fluid cylinder upper end opening, supporting network is corresponding with filtering hole site, nitrocellulose filter is placed with supporting network.The portable membrane type cell harvestor of the present invention, can be collected by filtration cell by shirtsleeve operation, and can accelerated filtration process, can also avoid carrying out cell in follow-up work the operation of secondary transferring, improve diagnosis efficiency, reduce rate of missed diagnosis.
Description
Technical field
The present invention relates to field of medical device, more particularly to a kind of portable membrane type cell harvestor.
Background technology
The pathological diagnosis of human biopsy tissue specimen and cytology pathological diagnosis are the important components of diagnosing tumor.Especially
It is alimentary canal histopathological diagnosis, relies primarily on living tissue materials pathologic finding under scope.But some cases are due to tumour
Expansive growth in tissue lumen, often results in tube chamber obstruction, conventional Biopsy materials can not be used, at this time, by thin
Born of the same parents' brush swipe tumour cell carries out cell pathology diagnosis and is just particularly important.
At present, the flaking method after cytobrush materials is using traditional Pap smear technology, as a kind of traditional
Tabletting technology, in application process there are cell loss, slice-making quality is uneven, diagnosis difficulty is big the problems such as, particularly in peep
Cell is collected under mirror draws materials, it is necessary to be realized by cytobrush, due to originals such as the length of endoscope is long, construction complexity, narrow spaces
Cause, usually acquisition cell quantity is less, is diagnosed under sectioning cells and light microscopic and seems more difficult.Therefore, film-making matter how is improved
It is particularly important that amount and positive diagnosing rate.
The content of the invention
To solve above technical problem, the present invention provides a kind of portable membrane type cell harvestor, can be by simply grasping
Be collected by filtration cell, and can accelerated filtration process, can also avoid carrying out cell in follow-up work the operation of secondary transferring,
Diagnosis efficiency is improved, reduces rate of missed diagnosis.
To achieve the above object, the present invention provides following scheme：
The present invention provides a kind of portable membrane type cell harvestor, including cylinder cap, into fluid cylinder sum aggregate fluid cylinder, it is described into fluid cylinder
Upper end and it is described collection fluid cylinder upper end be opening, it is described into fluid cylinder be arranged at it is described collection fluid cylinder top, it is described into fluid cylinder
Is flexibly connected with the collection fluid cylinder, the cylinder cap be arranged at it is described into the top of fluid cylinder, the cylinder cap with it is described movable into fluid cylinder
A stomata is provided with the side wall of connection, the side wall of the cylinder cap and/or the collection fluid cylinder, soft rubber is provided with the stomata
Rubber plug, the lower end into fluid cylinder are provided with compressed part, and the compressed part is back taper mesa-shaped, the big end of the compressed part with it is described
Connected into the lower end of fluid cylinder, and filter hole is provided with the small end end face of the compressed part, led at the collection fluid cylinder upper end opening
Cross elastic webbing and be fixed with supporting network, the supporting network is corresponding with the filtering hole site, and nitric acid is placed with the supporting network
Cellulose filter membrane.
Further, the edge of the filter hole is equipped with downwardly projecting lower convex ring, is provided with the supporting network and institute
The corresponding convex ring protruding upward of lower convex ring is stated, the lower convex ring and the convex ring are used to fix the nitrocellulose
Filter membrane.
Further, the supporting network is arranged at the middle part of the collection fluid cylinder upper end opening.
Further, the size of the filter hole and the small end end face of the compressed part is in the same size.
Further, the side of the lower end into fluid cylinder is hinged by the upper end of articulation piece and the collection fluid cylinder, described
Opposite side into the lower end of fluid cylinder is snapped connection by the upper end of fastener and the collection fluid cylinder, and the side of the cylinder cap passes through hinge
Fitting is hinged with the upper end into fluid cylinder, and the opposite side of the cylinder cap is buckled by fastener with the upper end into fluid cylinder to be connected
Connect.
Further, the upper end edge into fluid cylinder while and it is described collection fluid cylinder upper end edge while be equipped with sealing joint strip.
Further, the articulation piece is arranged at the same side, and the fastener is arranged at the same side.
Further, the fastener is elastic card fastener, and the articulation piece is hinge.
Further, the elastic webbing is provided with two and is symmetrical arranged, and the elastic webbing is sector, and the elastic webbing is
Transparent elastic resin elastic webbing.
Further, the cylinder cap is transparent plastic cylinder, it is described into fluid cylinder be transparent plastics into fluid cylinder, the collection
Fluid cylinder is transparent plastics collection fluid cylinder.
The present invention achieves following technique effect relative to the prior art：
1st, portable membrane type cell harvestor of the invention is set soft on the side wall of cylinder cap and/or the side wall of collection fluid cylinder
Rubber stopper, can be inserted into fluid cylinder using syringe from the soft rubber plug on cylinder cap, to equipped with eluent into fluid cylinder
Air is injected, is gradually stepped up into the air pressure in fluid cylinder, so as to accelerate the filtering of eluent, syringe can also be used from collection fluid cylinder
In the soft rubber plug insertion collection fluid cylinder of side, gradually extraction collects the air in fluid cylinder to accelerate to filter, by above-mentioned simple
Operation can be achieved to accelerate the purpose that process is collected by filtration, and convenient and efficient, efficiency is collected by filtration in raising.
2nd, portable membrane type cell harvestor of the invention is filtered using nitrocellulose filter, due to cellulose nitrate
Homogeneous aperture response and the surface negative charge characteristic that plain filter membrane has, has epicyte protein suction-operated, containing cell to wash
After the portable membrane type cell harvestor filtering that de- liquid passes through the present invention, cell will be enriched on nitrocellulose filter, nitric acid
Cellulose membrane is as the final supporting body of cell, and nitrocellulose filter is also with stable physicochemical property, good hygrometric state
Intensity, dye liquor absorption remain less and specially treated after can be transparent characteristic, current cytopathy can be directly carried out on the filter membrane
The technical operations such as various dying operations and resin transparent, mounting needed for Neo-Confucianism diagnosis, compared with conventional cell collection method, are received
Secondary transferring is not required in the cell of collection, avoids loss of the cell in collection, transfer process.Meanwhile after filtration directly
Carry out the most cell pathologies and Cell Biology Experiment link such as dyeing, when reducing operation link and shortening operation
Between, diagnosis efficiency is improved, reduces rate of missed diagnosis.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structure diagram of portable membrane type cell harvestor of the present invention；
Fig. 2 is the structural decomposition diagram of portable membrane type cell harvestor of the present invention.
Description of reference numerals：1st, cylinder cap；2nd, into fluid cylinder；21st, compressed part；22nd, filter hole；3rd, fluid cylinder is collected；4th, soft rubber
Plug；5th, articulation piece；6th, elastic webbing；7th, supporting network；8th, sealing joint strip；9th, fastener.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is described in further detail.
As shown in Figs. 1-2, the present embodiment provides a kind of portable membrane type cell harvestor, including cylinder cap 1, into 2 and of fluid cylinder
Collect fluid cylinder 3, the upper end into the upper end sum aggregate fluid cylinder 3 of fluid cylinder 2 is opening, and the top of collection fluid cylinder 3, feed liquor are arranged at into fluid cylinder 2
Cylinder 2 is flexibly connected with collection fluid cylinder 3, and cylinder cap 1 is arranged at into the top of fluid cylinder 2, cylinder cap 1 and is flexibly connected with into fluid cylinder 2, cylinder cap 1
A stomata is respectively arranged with the side wall of side wall sum aggregate fluid cylinder 3, stomata edge is equipped with outstanding arc-shaped edges, is set on stomata
Have soft rubber plug 4, the lower end of fluid cylinder 2 be provided with compressed part 21, compressed part 21 is back taper mesa-shaped, the big end of compressed part 21 with
Connected into the lower end of fluid cylinder 2, and filter hole 22 is provided with the small end end face of compressed part 21, the size and compressed part of filter hole 22
21 small end end face it is in the same size, collect and supporting network 7, supporting network 7 and mistake be fixed with by elastic webbing 6 at 3 upper end opening of fluid cylinder
22 position of filter opening is corresponding, and nitrocellulose filter is placed with supporting network 7, and supporting network 7 plays support to nitrocellulose filter
Effect, avoids causing nitrocellulose filter to rupture because pressure is excessive.
In order to easily open and close by cylinder cap 1 and into fluid cylinder 2, into the lower end of fluid cylinder 2 side by articulation piece 5 with
The upper end of collection fluid cylinder 3 is hinged, and the opposite side into the lower end of fluid cylinder 2 is snapped connection by fastener 9 with collecting the upper end of fluid cylinder 3, cylinder
The side of lid 1 by articulation piece 5 with being hinged into the upper end of fluid cylinder 2, the opposite side of cylinder cap 1 by fastener 9 with into the upper of fluid cylinder 2
End snaps connection.In order to which sealing is better achieved, it is respectively provided with upper end edge of the upper end edge into fluid cylinder 2 in sum aggregate fluid cylinder 3 close
Seal strip 8, when cylinder cap 1, covered together into 2 sum aggregate fluid cylinder 3 of fluid cylinder when so that device is internally formed confined space.
In this specific embodiment, articulation piece 5 is arranged at the same side, and fastener 9 is arranged at the same side, and articulation piece 5 is conjunction
Page, fastener 9 is elastic card fastener.
In order to which nitrocellulose filter is fixed, the edge of filter hole 22 is equipped with downwardly projecting lower convex ring, support
It is provided with net 7 and the corresponding convex ring protruding upward of lower convex ring, when being placed on the opening of collection fluid cylinder 3 into fluid cylinder 2, filtering
22 face supporting network 7 of hole, the compressed part 21 into the back taper mesa-shaped of fluid cylinder 2 are pressed downward supporting network 7, the down tensile elasticity of supporting network 7
Band 6, elastic webbing 6 is so that supporting network 7 presses below filter hole 22 all the time, and convex ring and lower convex ring are mutually pressed up and down at this time
To close, the periphery of nitrocellulose filter is pressed between convex ring and lower convex ring, so that the periphery of nitrocellulose filter is clamped,
Nitrocellulose filter is fixed, face covers filter hole 22 to nitrocellulose filter from below, so as to prevent filter process
In unfiltered eluent flowed into from the side of filter hole 22 in collection fluid cylinder 3.
In this specific embodiment, supporting network 7 is arranged at the middle part of collection 3 upper end opening of fluid cylinder, and elastic webbing is symmetrically disposed on
The both sides of supporting network 7, elastic webbing are sector, and the relatively smaller part arc-shaped edges of elastic webbing 6 are connected with half round edge of the side of supporting network 7,
The larger semi-circle edge of elastic webbing 6 is connected with collecting the upper end edge side of fluid cylinder 3, fixes supporting network 7 so as to fulfill by elastic webbing 6
In the middle part of collection 3 upper end opening of fluid cylinder, elastic webbing 6 is made of transparent elastic resin.Cylinder cap 1, into 2 sum aggregate fluid cylinder 3 of fluid cylinder by
Transparent plastics are made, by single unit system be arranged to it is transparent can be in order to observing experiment process.
Specifically used process is：Endoscope cell brush head is removed together together with plastic bushing first, is connected to disposable
On syringe needle handle, promote the physiological saline in syringe to wash away brush head several times, then be placed in the oscillator vibrations several seconds, thus
Obtain eluent, by obtained eluent inject the cell harvestor in the present embodiment into fluid cylinder 2, before injection, first will
3 upper end of collection fluid cylinder is placed on into fluid cylinder 2, and fastens and is in an open state into the fastener 9 between 2 sum aggregate fluid cylinder 3 of fluid cylinder, cylinder cap 1,
After eluent all injection, cylinder cap 1 is covered, and fastens cylinder cap 1 and into the fastener 9 between fluid cylinder 2.According to actual needs,
It is inserted into using syringe from the soft rubber plug 4 on cylinder cap 1 into fluid cylinder 2, to empty into injection in fluid cylinder 2 equipped with eluent
Gas, gradually steps up into the air pressure in fluid cylinder 2, forms positive pressure, or the soft rubber plug 4 using syringe from 3 side of collection fluid cylinder
In insertion collection fluid cylinder 3, gradually the air in extraction collection fluid cylinder 3, forms negative pressure, so as to accelerate the filtering of eluent, improves filtering
Collection efficiency.After filtering, open into the fastener 9 between 2 sum aggregate fluid cylinder 3 of fluid cylinder, and the upper end for opening collection fluid cylinder 3 is opened
Mouthful, the nitrocellulose filter collected and have cell is removed from supporting network 7, the liquid for collecting fluid cylinder 3, can fall from its side
Go out.
Nitrocellulose filter in the present embodiment has filter membrane and adsorbed film function concurrently at the same time, especially has to albumen preferably
Affinity characteristic, is collected, filter liquid and receipts by being collectively forming cell to the affine of memebrane protein, electrostatic interaction and H key active forces
Collect cells Synchronous to complete.Further, since the suitable most cells of burn into of itself acid and alkali resistance of the filter membrane and part organic solvent
Biology normal dyeing operate, and after can complete cellular morphology under an optical microscope, structure, functional expression and observation, can expire
The clinical a variety of detections of foot, the needs of diagnosis, compared with conventional cell collection method, secondary transferring is not required in the cell of collection, keeps away
Loss of the cell in collection, transfer process is exempted from.Meanwhile directly carry out most cell pathologies such as dyeing after filtration
And Cell Biology Experiment link, reduce operation link and shorten the operating time, improve diagnosis efficiency, reduce Lou
Examine rate.
Apply specific case in this specification to be set forth the principle of the present invention and embodiment, above example
Explanation be only intended to help understand the present invention method and its core concept；Meanwhile for those of ordinary skill in the art,
According to the thought of the present invention, in specific embodiments and applications there will be changes.In conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (10)
1. a kind of portable membrane type cell harvestor, it is characterised in that described into fluid cylinder including cylinder cap, into fluid cylinder sum aggregate fluid cylinder
Upper end and it is described collection fluid cylinder upper end be opening, it is described into fluid cylinder be arranged at it is described collection fluid cylinder top, it is described into fluid cylinder
Is flexibly connected with the collection fluid cylinder, the cylinder cap be arranged at it is described into the top of fluid cylinder, the cylinder cap with it is described movable into fluid cylinder
A stomata is provided with the side wall of connection, the side wall of the cylinder cap and/or the collection fluid cylinder, soft rubber is provided with the stomata
Rubber plug, the lower end into fluid cylinder are provided with compressed part, and the compressed part is back taper mesa-shaped, the big end of the compressed part with it is described
Connected into the lower end of fluid cylinder, and filter hole is provided with the small end end face of the compressed part, led at the collection fluid cylinder upper end opening
Cross elastic webbing and be fixed with supporting network, the supporting network is corresponding with the filtering hole site, and nitric acid is placed with the supporting network
Cellulose filter membrane.
2. portable membrane type cell harvestor according to claim 1, it is characterised in that the edge of the filter hole is equipped with
Downwardly projecting lower convex ring, be provided with the supporting network with the corresponding convex ring protruding upward of the lower convex ring, it is described
Lower convex ring and the convex ring are used to fix the nitrocellulose filter.
3. portable membrane type cell harvestor according to claim 1, it is characterised in that the supporting network is arranged at described
Collect the middle part of fluid cylinder upper end opening.
4. portable membrane type cell harvestor according to claim 1, it is characterised in that the size of the filter hole and institute
State the in the same size of the small end end face of compressed part.
5. portable membrane type cell harvestor according to claim 1, it is characterised in that the one of the lower end into fluid cylinder
Side is hinged by the upper end of articulation piece and the collection fluid cylinder, and the opposite side of the lower end into fluid cylinder passes through fastener and the collection
The upper end of fluid cylinder snaps connection, and the side of the cylinder cap is hinged by articulation piece and the upper end into fluid cylinder, the cylinder cap
Opposite side is snapped connection by fastener and the upper end into fluid cylinder.
6. portable membrane type cell harvestor according to claim 5, it is characterised in that the upper end edge side into fluid cylinder
Sealing joint strip is equipped with the upper end edge side of the collection fluid cylinder.
7. portable membrane type cell harvestor according to claim 5, it is characterised in that the articulation piece is arranged at same
Side, the fastener are arranged at the same side.
8. portable membrane type cell harvestor according to claim 7, it is characterised in that the fastener is Elastic buckle
Part, the articulation piece are hinge.
9. the portable membrane type cell harvestor according to any one of claim 1-8, it is characterised in that the elastic webbing
It is provided with two and is symmetrical arranged, the elastic webbing is sector, and the elastic webbing is transparent elastic resin elastic webbing.
10. the portable membrane type cell harvestor according to any one of claim 1-8, it is characterised in that the cylinder cap
For transparent plastic cylinder, described into fluid cylinder is transparent plastics into fluid cylinder, and the collection fluid cylinder is transparent plastics collection fluid cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711484661.6A CN107937259A (en) | 2017-12-29 | 2017-12-29 | A kind of portable membrane type cell harvestor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711484661.6A CN107937259A (en) | 2017-12-29 | 2017-12-29 | A kind of portable membrane type cell harvestor |
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| Publication Number | Publication Date |
|---|---|
| CN107937259A true CN107937259A (en) | 2018-04-20 |
Family
ID=61937050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711484661.6A Pending CN107937259A (en) | 2017-12-29 | 2017-12-29 | A kind of portable membrane type cell harvestor |
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| Country | Link |
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| CN (1) | CN107937259A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113116397A (en) * | 2019-12-30 | 2021-07-16 | 上海科罡医疗技术有限公司 | Esophageal wall cell sampler |
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| CN113116397B (en) * | 2019-12-30 | 2023-02-28 | 上海科罡医疗技术有限公司 | Esophageal wall cell sampler |
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