WO2007123100A1 - フィルター付きマイクロプレート - Google Patents
フィルター付きマイクロプレート Download PDFInfo
- Publication number
- WO2007123100A1 WO2007123100A1 PCT/JP2007/058309 JP2007058309W WO2007123100A1 WO 2007123100 A1 WO2007123100 A1 WO 2007123100A1 JP 2007058309 W JP2007058309 W JP 2007058309W WO 2007123100 A1 WO2007123100 A1 WO 2007123100A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- container
- filter
- microplate
- packing
- opening
- Prior art date
Links
- 238000012856 packing Methods 0.000 claims abstract description 224
- 239000000126 substance Substances 0.000 claims abstract description 41
- 230000000630 rising effect Effects 0.000 claims description 87
- 230000002093 peripheral effect Effects 0.000 claims description 47
- 238000012360 testing method Methods 0.000 claims description 37
- 238000009423 ventilation Methods 0.000 claims description 25
- 238000001914 filtration Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 15
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 14
- 229910052710 silicon Inorganic materials 0.000 claims description 14
- 239000010703 silicon Substances 0.000 claims description 14
- 238000000465 moulding Methods 0.000 claims description 9
- 238000005530 etching Methods 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 4
- 239000012780 transparent material Substances 0.000 claims description 4
- 239000003550 marker Substances 0.000 claims description 2
- 230000009467 reduction Effects 0.000 claims description 2
- 238000007689 inspection Methods 0.000 abstract description 27
- 239000007788 liquid Substances 0.000 description 8
- 239000007779 soft material Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000013011 mating Effects 0.000 description 6
- 230000006837 decompression Effects 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 239000004480 active ingredient Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000007373 indentation Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000002609 medium Substances 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012491 analyte Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000011324 bead 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
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 230000002496 gastric effect Effects 0.000 description 1
- 239000001963 growth medium Substances 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003368 label free method Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 239000013076 target substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
-
- 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
- C12M25/00—Means for supporting, enclosing or fixing the microorganisms, e.g. immunocoatings
- C12M25/02—Membranes; Filters
- C12M25/04—Membranes; Filters in combination with well or multiwell plates, i.e. culture inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5025—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures for parallel transport of multiple samples
- B01L3/50255—Multi-well filtration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N37/00—Details not covered by any other group of this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/02—Adapting objects or devices to another
- B01L2200/025—Align devices or objects to ensure defined positions relative to each other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/02—Adapting objects or devices to another
- B01L2200/026—Fluid interfacing between devices or objects, e.g. connectors, inlet details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/06—Fluid handling related problems
- B01L2200/0684—Venting, avoiding backpressure, avoid gas bubbles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/04—Closures and closing means
- B01L2300/046—Function or devices integrated in the closure
- B01L2300/048—Function or devices integrated in the closure enabling gas exchange, e.g. vents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/08—Geometry, shape and general structure
- B01L2300/0809—Geometry, shape and general structure rectangular shaped
- B01L2300/0829—Multi-well plates; Microtitration plates
Definitions
- the present invention relates to a microplate with a filter. More specifically, the present invention relates to a microplate including a filter having a structure in which a substance to be inspected is passed through a filter, a filtered inspection sample is collected in a reservoir, and the reservoir is easily separable. Filtered microplates are widely used in cell tissue culture or biological tissue inspection and other fields.
- Patent Document 1 Special Table 2006-505278
- Patent Document 2 Japanese Patent Laid-Open No. 4-158779
- Known microplates known so far are generally composed of a plurality of elements. Despite the need for these elements to be assembled quickly and cleanly, these known microplates are particularly focused on the development of filters and constitute microplates. It was difficult to quickly and hygienically install the elements.
- the microplate generally uses a very thin and easily ruptured filter, which often causes the filter to change position and break during the movement of the microplate. It was.
- when filtering the test substance depending on the test content, it is required to form a very fine mesh of the filter. In such a case, the test substance must pass through it. There was also a problem of requiring a long time.
- the microplate has a problem that it is difficult to stack many microplates even when many microplates are required to test many specimens.
- the sample force in the reservoir at the time of the inspection suction may be mixed with the sample in the adjacent reservoir, and the risk of the sample flowing backward when a large negative pressure is applied at the time of the inspection suction.
- Another problem was that the sample would flow out of the reservoir during the suction.
- the present invention provides a microplate with a filter, an upper container having an opening for injecting a substance to be inspected, an upper packing holding a filter, and A connecting member that fits with the lower packing and the upper container, and has an opening through which the test sample that has passed through the filter passes.
- the upper packing and the lower packing are sandwiched between the upper container and the upper packing.
- a microplate with a filter comprising: a connecting member that holds and a lower container having a reservoir for storing a test sample, the lower container being detachably held with respect to the connecting member.
- the present invention is a microplate with a filter, which holds an upper container having an opening for injecting a substance to be inspected, and a filter.
- a packing and a lower packing, and an intermediate container that fits into the upper container and has an opening through which a test sample that has passed through the filter passes.
- the packing is sandwiched and held between the upper container and the upper container.
- An intermediate container and a lower container having a reservoir portion for storing a test sample, the lower container being held detachably with respect to the intermediate container, and the intermediate container has a force depending on the opening portion.
- a microplate 110 with a filter which has an upper container 111 having an opening 120 for injecting a substance to be inspected, an upper packing 113 and a lower packing 114 holding the filter 115, and A connecting member 112 that fits into the upper container 111 and has an opening 140 through which the test sample that has passed through the filter 115 passes.
- An upper packing 113 and a lower packing 114 are connected to the upper container 111.
- a lower container 116 having a connecting member 112 and a reservoir 160 for receiving a test sample, which is held under pressure, and is held detachably with respect to the connecting member 112.
- Micro filter with filter Provide rate which has an upper container 111 having an opening 120 for injecting a substance to be inspected, an upper packing 113 and a lower packing 114 holding the filter 115, and A connecting member 112 that fits into the upper container 111 and has an opening 140 through which the test sample that has passed through the filter 115 passes.
- An upper packing 113 and a lower packing 114 are connected to the upper container
- the upper container 111 has an outer vertical wall 124 extending vertically downward on the outer peripheral portion, and the outer vertical wall 124 has a protrusion 125 projecting outward.
- the connecting member 112 has a rising wall 135 extending vertically upward on the outer peripheral portion, and this rising wall has a protrusion 136 protruding inward, and these protrusions 125 and 136 are engaged.
- the filter-equipped microplate according to (1) is provided, wherein the fitting between the upper container and the connecting member is achieved.
- the upper container 111 has a fitting hole 128 composed of an upper portion 129 and a lower portion 130, the upper portion has an enlarged diameter hole, and the lower portion has a reduced diameter hole.
- a step portion 131 is formed between the upper portion and the lower portion, and the connecting member 112 has a hollow lock pin 143 extending upwardly, and the lock pin has an enlarged diameter portion on the upper portion.
- 144 and has a plurality of groove portions extending in the axial direction, and the lock pin 143 is pushed into the fitting hole 128 from the lower portion 130 of the upper container 111 to increase the diameter of the lock pin.
- the connecting member 112 has a holding wall portion 137 and a positioning pin 145 extending downward, and the holding wall portion 137 includes an outer surface 138 and an inclined inner surface 139, and the connecting member 1 12
- the positioning pin 145 has a conical shape, and a plurality of positioning pins 145 are provided in the inner part of the connecting member 112, and the lower container 116 is stepped with the inclined part 162 on the outer peripheral part.
- the lower container 116 is formed by pressing the inclined portion 162 against the inclined inner surface 139 against the connecting member 112.
- the outer peripheral rib 161 is formed of a cylindrical portion 163, and the positioning pin receiving portion 164 has a conical shape. Force contacted in an airtight state
- the positioning pin 145 and the positioning pin receiving portion 164 are loosely fitted at a predetermined interval, and the filter-equipped micro as described in (1) to (3) Provide a plate.
- the filter 115 is formed by etching a silicon wafer, and includes a central portion having a plurality of uniformly sized through holes and an outer peripheral portion surrounding the central portion.
- a member capable of airtightness such as a 0-ring is fitted on one of the inclined inner surface 139 of the connecting member 112 or the inclined portion 162 of the lower container 116.
- a microplate with a filter as described in (1) to (5) above.
- the coupling member 112 and the lower container 116 are airtightly fitted in the inclined inner surface 139 and the inclined portion 162, respectively, and are loosely fitted in other portions, and receive the positioning pin.
- a microplate with a filter is provided.
- the upper packing 113 and the lower packing 114 are integrally configured to reduce the number of components and facilitate the assembling work.
- (1) to (7) Provide a black plate.
- a mark for identifying the assembly position is attached to the filter 115 or a member to which the filter abuts, thereby enabling accurate positioning of both, thereby enabling automation of assembly work. Furthermore, the microplate with a filter as described in (1) to (8), which facilitates mass production, is provided.
- a microplate 40, 40A with a filter holding an upper container 41, 41A having an opening 50, 50A for injecting a substance to be inspected, and a fino letter 46, 46A! /, Upper packing 44, 44A and lower packing 45, 45A, and intermediate containers 42, 42A mating with the upper containers 41, 41A, having an opening 63 through which the test sample that has passed through the filters 46, 46A passes.
- the intermediate containers 42 and 42A holding the upper packings 44 and 44A and the lower packings 45 and 45A between the upper containers 41 and 41A, and the reservoir 80 for storing the test sample,
- the lower containers 43 and 43A having 80A and the lower containers 43 and 43A that are detachably held with respect to the intermediate containers 42 and 42A.
- the intermediate containers 42 and 42A are suspended from the opening 63.
- the lower container 43 43A is yield capacity and has reservoirs 80, 80A is the guide walls 64, 64A which has, ⁇ Me ⁇ 80, 80A force S guide walls 64, 64A of the lower opening P ⁇ force et Fuinoreta 46, 46
- the test sample supplied via A is received, and the lower container 43, 43A has a vent portion 90 communicating with the outside of the reservoir portion 80, 80A on the enlarged diameter inclined surface 92 above.
- a microplate with a filter is provided.
- the upper containers 41, 41A have outer vertical walls 52, 52A extending vertically downward on the outer periphery, and the outer vertical walls 52, 52A are provided with protrusions 53 projecting outward.
- the intermediate container 42, 42A has a rising wall 60, 60A that extends vertically upward on the outer periphery, and the rising wall 60, 60A has a protrusion 61 that protrudes inwardly.
- the upper containers 41 and 41A have a fitting hole 56 composed of an upper portion 57 and a lower portion 58, the upper portion 57 has an enlarged diameter hole, and the lower portion 58 has a lower force.
- the hole is reduced in diameter as it goes upward, a step 59 is formed between the upper part 57 and the lower part 58, and the intermediate containers 42 and 42A have lock pins 67 that extend upward.
- the lock pin 67 has an enlarged diameter portion 69 at the upper portion, and an interval 48 in which the enlarged diameter portion 69 extends in the axial direction.
- Filters 46 and 46A are formed by etching the silicon wafer, and have a central portion having a plurality of through holes of uniform dimensions, and extending from the central portion through inclined portions.
- the microplate with a filter according to any one of (10) to (17) is provided, wherein the outer peripheral portion surrounds the central portion, and the outer peripheral portion is formed thicker than the central portion. .
- the upper container 41A has a flange rising portion 86 extending upward from the outer peripheral portion thereof, and an opening rising portion 87 extending continuously upward from the opening 50A.
- the microplate with a filter described in the above (1) of the present invention it is possible to assemble quickly, which is composed of extremely simple elements, is hygienic and easily broken, and the filter is safe. It is possible to provide a microphone mouth plate that can be supported by the microphone and can reliably prevent the position variation.
- microplate with a filter according to the above (2) of the present invention it is easy to assemble and the inspection sample after filtering can be easily removed from the microplate.
- a microplate that can solve the problem of requiring skill is provided.
- a microplate with a filter described in the above (3) a microplate is provided in which the connection member and the upper container can be easily and accurately connected.
- microplate with a filter described in the above (4) of the present invention a microplate that can be stably placed at a stationary position is provided.
- a microplate with a filter described in (5) above a microplate that can be set without breaking a thin and brittle filter and can always be held at an appropriate position is provided.
- microplate with filter described in the above (6) and (7) a microplate capable of shortening the filtering time is provided.
- a microplate with a filter described in the above (8) and (9) a microplate having a small number of components and easy to assemble and capable of mass production is provided.
- the microplate with a filter according to the above-mentioned (10) of the present invention can be assembled quickly and composed of extremely simplified elements, is hygienic, and is easily destroyed.
- a microplate that can safely support a filter and reliably prevent fluctuations in its position. Further, since a vent is provided at a position adjacent to the reservoir, and the sample can be forcibly sucked into the reservoir via the vent, a vacuum suction effect without waste can be expected. As a result, a quick and reliable filtering operation can be performed, and the initial culture or inspection time can be shortened.
- the microplate with a filter according to the above (11) and (12) of the present invention it is possible to perform a filtering operation on a sample in an optimum time by providing a plurality of ventilation portions. Can be adjusted. As a result, it is possible to limit the change due to the sample coming into contact with air to the minimum, and it can be expected to obtain a very accurate analysis result.
- the microplate with a filter according to the above (13) the lower opening which is the lower end of the guide wall extends to a position below the half of the reservoir, and therefore is supplied from the lower opening. The sample can be prevented from scattering into an unexpected air space, and as a result, all of the sample that has passed through the filter can be used for analysis and the like, so that an efficient operation can be achieved.
- the auxiliary packing is disposed between the intermediate container and the lower container.
- the auxiliary packing can be arranged at a predetermined position by extremely easy and reliable means.
- the microplate with a filter described in the above (16) and (17) of the present invention the upper container and the intermediate container can be easily and reliably assembled in a short time by a simple pushing operation.
- the microplate with a filter described in (18) it is possible to provide a filter having a structure that can be set without breaking a thin and fragile filter.
- the microphone opening plate with filter is made of a transparent material, the operator can supply the sample stored in the reservoir below the guide wall. It can be surely stopped before reaching the opening, and as a result, it is always possible to achieve the removal of air inside the reservoir, and the sample can be prevented from being sucked into the pressure reducing device.
- the flange rising portion 86 extending upward from the outer peripheral portion of the upper container 41A, and the upper portion continuously from the opening 50A.
- the opening riser 87 that extends to substantially the same height extends, so that the opening for providing the sample becomes wider, and the overall height of the microplate increases, making it easier to handle.
- the filter-equipped marker described in (21) and (22) above According to the throat plate, the inner rising wall 88 cooperates with the rising wall 60A to strongly fit and hold the upper container 41A, and the inner rising wall 88 further connects the upper packing 44A and the lower packing 45A. keeping. Thereby, a structurally stable and strong microplate can be provided.
- the auxiliary packing 47A is always used when the lower container 43A is removed from the intermediate container 42A.
- the convex part 89 attached to the lower container 43A is provided, so that the risk that the auxiliary packing 47A may unintentionally contaminate the sample in the reservoir part 80A can be prevented.
- FIG. 1 is a plan view of a microplate with a filter according to Example 1 of the present invention.
- FIG. 2 is a cross-sectional view taken along the line AA in FIG.
- FIG. 3 is a cross-sectional view taken along the line BB in FIG.
- FIG. 4 is an enlarged view of a portion X in FIG.
- FIG. 5 is a CC cross-sectional view of FIG.
- FIG. 6 is an enlarged view of a portion Y in FIG.
- FIG. 7 is a plan view of a microplate with a filter according to Example 2 of the present invention.
- FIG. 8 is a cross-sectional view taken along the line 2-2 in FIG. 7, showing the use position.
- FIG. 9 is an enlarged view of a portion indicated by circle 3 in FIG.
- FIG. 10 is a cross-sectional view taken along the line 4 4 in FIG.
- FIG. 11 is an enlarged view of a portion indicated by circle 5 in FIG.
- FIG. 12 is an enlarged view of a section 6-6 in FIG.
- FIG. 13 is a plan view of an upper container constituting a microplate with a filter according to the present invention.
- FIG. 14 is a cross-sectional view taken along line 8-8 in FIG.
- FIG. 15 is an enlarged view of a portion indicated by circle 9 in FIG.
- FIG. 16 is a cross-sectional view taken along line 10-10 in FIG.
- FIG. 17 is an enlarged view of a portion indicated by a circle 11 in FIG.
- FIG. 18 is an enlarged view of a portion indicated by a circle 12 in FIG.
- FIG. 19 is a plan view of an intermediate container constituting a microplate with a filter according to the present invention.
- FIG. 20 is a rear view of the intermediate container shown in FIG.
- FIG. 21 is a side view taken along line 15-15 of FIG.
- FIG. 22 is a cross-sectional view taken along line 16-16 in FIG.
- FIG. 23 is an enlarged view of a portion indicated by a circle 17 in FIG.
- FIG. 24A is an enlarged view and a cross-sectional view of the lock pin shown in FIG.
- FIG. 24B is an enlarged view of the lock pin shown in FIG. 22, and is a top view.
- FIG. 25 is a 19 19 sectional view of FIG. 19.
- FIG. 26 is a plan view of the lower container constituting the microplate with filter according to the present invention.
- FIG. 27 is a rear view of the lower container shown in FIG.
- FIG. 28 is a side view taken along 22-22 in FIG.
- FIG. 29 is a cross-sectional view taken along line 23-23 in FIG.
- FIG. 30 is an enlarged view of a portion indicated by a circle 24 in FIG. 29.
- FIG. 31 is an enlarged view of a 25-25 section in FIG.
- FIG. 32 is a cross-sectional view taken along line 26-26 in FIG.
- FIG. 33 is a plan view of the upper packing constituting the microplate with a filter according to the present invention.
- FIG. 34 is a rear view of the upper packing shown in FIG. 33.
- FIG. 35 is a cross-sectional view taken along line 29-29 in FIG.
- FIG. 36 is an enlarged view of a portion indicated by a circle 30 in FIG.
- FIG. 37 is an enlarged cross-sectional view of a portion indicated by a leader line 31 in FIGS. 33 and 34.
- FIG. 38 is a plan view of a lower packing constituting a microplate with a filter according to the present invention.
- FIG. 39 is a plan view of an auxiliary packing constituting the microplate with a filter of the present invention.
- FIG. 40A Enlarged five different embodiments of the microplate with filter of the present invention. It is each top view (a-e) shown.
- FIG. 40B is an enlarged sectional view (A to E) showing five different embodiments of the microplate with filter according to the present invention.
- FIG. 41 is a view similar to FIG. 9 showing Embodiment 3 of the present invention.
- FIG. 42 is a diagram showing a lower container with a symbol for specifying the position of each opening according to the present invention.
- FIG. 43 A view showing a lower container rib and a lower container guide of the present invention.
- FIG. 1 is a plan view of a microplate 110 with a filter, showing an enlarged embodiment of the apparatus of the present invention.
- the microplate has a rectangular surface, and the whole has a rectangular parallelepiped having, for example, a long side (120 to 150 mm) X a short side (80 to 100 mm) X a thickness (10 to 20 mm). is doing.
- the microplate 110 with a filter according to the present invention may have, for example, a circular shape or an elliptical shape in addition to the rectangular shape or other rectangular shapes as illustrated.
- the following embodiments are described as having the above rectangular shape.
- the microplate 110 is provided with a large number of openings 120 (total of 96 ⁇ 12 ⁇ 8 in the example of FIG. 1) on the entire surface side, that is, the upper side, and the culture medium is passed through these openings 120.
- the substance to be examined such as blood that has been voted for
- the mouth plate is provided with a large number of openings 120 (total of 96 ⁇ 12 ⁇ 8 in the example of FIG. 1) on the entire surface side, that is, the upper side, and the culture medium is passed through these openings 120.
- the substance to be examined such as blood that has been voted for
- the structure of the microplate 110 of the present invention is such that the upper container 111 in which the opening 120 is formed and is fitted and engaged with the container 111!
- the upper packing 113 and the lower packing 114 sandwiched between the connecting member 112, the upper container 111, and the connecting member 112, and the upper packing 113 that is positioned in contact with the upper container 111.
- the filter 115 is disposed at the position, and the lower container 116 is disposed below the connecting member 112.
- the upper container 111 and the connecting member 112 have approximately the same area, and only the lower container 116 is more than the upper container 111 and the connecting member 112. It has a large area. Further, the nozzles / kins 113 and 114 are arranged so as to be enclosed in the upper container 111. Further, the filter 1 15 disposed in the upper packing 113 has an area slightly larger than the area of the opening 120. In the examples of FIGS. A total of 96 filters 115 corresponding to the pair 1 are arranged below the opening 120.
- the upper container 111, the connecting member 112, and the lower container 116 are generally formed of a somewhat elastically deformable plastic material (for example, polyethylene resin) having stable characteristics that can withstand chemical changes. Also, knockin 113, Similarly, 114 is formed of a soft material (for example, silicon) having stable characteristics that can withstand chemical changes.
- the filter 115 is formed, for example, by etching a silicon wafer.
- the force to describe the knocks 113 and 114 as two separate parts is not limited to this. It is easy for those skilled in the art to form the packing as a single body by integral molding to reduce the number of parts and facilitate the assembling work.
- openings 120 having a predetermined same area over the entire surface are arranged almost evenly. These openings 120 are formed by a conical wall 122 that is depressed downward from the surface of the upper container 111 by a predetermined dimension 121 integrally with the vertical direction. Further, as shown in FIG. 4, from the entire outer periphery of the surface of the upper container 111, an outer vertical wall 124 extending downward by a predetermined dimension 123 from the surface almost vertically falls downward. It is formed by Here, the predetermined dimension 123 of the outer vertical wall 124 is somewhat larger than the dimension 121 of the conical wall 122.
- the outer vertical wall 124 surrounds the packings 113, 114 within the region defined by the vertical wall 124.
- An outward projection 125 having a substantially circular cross section is formed on the outer surface of the outer vertical wall 124.
- the protrusion 125 is preferably formed over the entire outer surface of the outer vertical wall 124, but is not limited thereto.
- a flange 126 is formed on the outer side of the outer vertical wall 124 of the upper container 111 by force outward in the radial direction, and this flange 126 has a function of protecting the connecting member 112 described later.
- a plurality of contact rings 127 (two in the example of FIG. 4) that are substantially concentric are formed on the lower surface of each conical wall 122 and in contact with the upper packing 113. These rings 127 provide a function of pressing the packing 113 to prevent the packing from changing its position.
- a plurality of fitting holes 128 are formed in the air space between the openings 120, as shown in FIGS.
- the right force is also between the 2nd and 3rd rows in the vertical direction, between the 4th and 5th rows, between the 6th and 7th rows, between the 8th and 9th rows, and 10 Between the second and third rows, between the second and third rows, between the fourth and fifth rows, and between the sixth and seventh rows.
- There are a total of 15 in the airspace but this is not a limitation. It may be more or less than this.
- the fitting hole 128 is formed by a hole having a circular cross section in which the surface force of the upper container 111 hangs down with a certain diameter.
- the hole is composed of an upper portion 129 having a diameter somewhat smaller than the diameter of the opening 120 and a lower portion 130 having a reduced diameter than the upper portion.
- a step 131 is formed between the upper part 129 and the lower part 130.
- a slight build-up portion for reinforcement is formed around the outer peripheral edge of the upper container 111 and the periphery of the opening 120, respectively.
- This protrusion does not need to be provided in the lower part of all the fitting holes 128.
- the right force is vertically between the 4th and 5th rows, between the 8th and 9th rows, and from the top.
- a total of four airspaces are required between the second and third rows in the horizontal direction and between the sixth and seventh rows. However, it is not limited to this, and it may be more or less.
- the connecting member 112 is disposed to face the upper container 111 and provides a function of sandwiching the packings 113 and 114 in cooperation with the upper container. Furthermore, the function of connecting the upper container 111 and the lower container 116 is provided.
- the connecting member 112 has a rising wall 135 that rises integrally in a substantially vertical direction by exerting an outer peripheral force upward toward the container. As shown in FIG. 4, the rising wall 135 rises to a position surrounding the outer surface of the outer vertical wall 124 of the upper container 111. For example, an inward projection 136 having a circular cross section is formed on the inner side surface of the rising wall 135.
- the protrusion 136 is formed between the protrusion 125 provided on the outer vertical wall 124 of the upper container 111 and the flange 126 of the upper container 111 at a position to engage with the protrusion 125.
- the projection 136 is preferably a force formed over the entire inner surface of the rising wall 135, but is not limited thereto. In other words, it can be provided only at a position where the protrusion 125 of the upper container 111 as a fitting partner is provided. As a result, it is possible to facilitate the fitting operation and optimize the material used.
- the rising wall 135 extends above the position of the protrusion 136 and does not contact the flange 126 of the upper container 111. As a result, the rising wall 135 is reinforced and the fitting state between the upper container 111 and the connecting member 112 is stabilized.
- a holding wall portion 137 is provided around the outer periphery of the connecting member 112 so as to hang downward from the rising wall 135 in the opposite direction.
- the holding wall portion 137 is preferably suspended so as to surround the entire outer periphery of the connecting member 112.
- the holding wall portion 137 is preferably formed by an outer surface 138 that hangs at a substantially right angle from the connecting member 112 and an inclined inner surface 139 that rises obliquely inward from the lower end portion thereof, and has a substantially triangular cross section. have.
- the connecting member 112 has the same number of openings 120 as the number of the opening 120 (see FIG. 4) at a position corresponding to the opening 120 formed in the upper container 111 when the connecting member 112 is assembled to the upper container 111.
- 96 openings 140 having a circular cross section are formed.
- the opening 140 has a diameter somewhat smaller than the diameter of the opening 120 as shown in FIG.
- the opening 140 is constituted by a thin valve-shaped guide wall 141 that hangs down integrally from the connecting member 112 in a direction downward in the center of the opening 140.
- the lower end portion of the guide wall 141 which hangs downward in the direction of the center of the opening 140, forms a circular opening 140.
- the distal end of the guide wall 141 extends in the direction of a reservoir 160 of the lower container 116, which will be described later, and the specimen such as a culture solution provided to the opening 120 of the upper container 111 is surely reached to the reservoir 160.
- a reservoir 160 of the lower container 116 which will be described later, and the specimen such as a culture solution provided to the opening 120 of the upper container 111 is surely reached to the reservoir 160.
- a plurality of contact rings 142 are formed on the upper surface of the connecting member 112 where the guide wall 141 is formed so as to form a concentric circle with the guide wall 141 in the periphery. Is formed. These rings 142 contact the lower packing 114 and provide a function of pressing the packing 114 to prevent the packing from changing its position.
- the connecting member 112 also has a plurality of upper surface forces of the connecting member 112 at positions corresponding to the fitting holes 128 of the upper container 111 (there is a In the example shown in the figure, 15) the lock pins 143 are raised and their positions ⁇ ⁇ are formed integrally. These lock pins 143 preferably have a hollow shape. The top of the lock pin 143 is expanded The enlarged diameter portion 144 has a diameter, and the top portion of the enlarged diameter portion 144 has a shape similar to a Soroban ball.
- a groove portion having a predetermined width dimension is provided along the longitudinal direction from the top portion of the abacus ball shape to the rising portion of the hollow shape, for example, every 90 degrees.
- the angle at which the groove is provided may be 60 degrees, 120 degrees, or any other angle. In short, it is desirable to prevent the occurrence of deviation in elastic properties by providing grooves at equiangular intervals.
- the lock pin 143 has such a length that the surface force of the upper container 111 does not protrude when the pin is assembled to the upper container 111. This is to obtain a stable laminated state when a plurality of microplates of the present invention are laminated. In the embodiment shown in FIG. 6, the lock pin 143 cannot be separated because it is fitted into the fitting hole 128 in a so-called mating state, but for example, a defect has been found in the filter after assembly. Sometimes it is necessary to remove the defective filter and replace it. Therefore, the width dimension of the longitudinal groove formed in the enlarged diameter portion 144 can be appropriately adjusted so that the lock pin 143 can be separated from the fitting hole 128 as necessary.
- positioning pins 145 of the connecting member 112 are preferably integrally hung down. Is formed.
- the positioning pin 145 has a generally conical shape that becomes thinner as it goes downward. These positioning pins 145 have a function of positioning the mounting position of the lower container 116 described later.
- a pedestal 146 is preferably formed integrally with the connecting member on the concentric circle of the positioning pin 145. The pedestal 146 functions as a spacing member for defining a predetermined spacing between the connecting member 112 and the lower container 116.
- Two packing members are sandwiched between the upper container 111 and the connecting member 112.
- Both of these packings are made of a soft material such as silicon having a substantially the same surface area and substantially the same material.
- the contact rings 127 and 142 formed on the upper container 111 and the connecting member 112 respectively bite into the packing made of soft material. This prevents position fluctuations of the packings 113 and 114, and also prevents position fluctuations between the packings.
- the outer peripheral edges of these packings are held in contact with the inner surface of the outer vertical wall 124 of the upper container 111 and positioned there.
- a plurality of circular openings 150 are formed at positions corresponding to the openings 120 of the upper container 111, respectively. Further, a step portion 151 is provided on the lower surface of the packing 113 around the openings 150. The shape and depth of the stepped portion 151 matches the shape and thickness dimension of the filter 115. The diameter of the opening 150 is substantially the same as the diameter defined by the lower end of the conical wall 122 formed in the upper container 111.
- a plurality of circular openings 155 are provided in each of the positions corresponding to the openings 120 of the upper container 111 (96 in the example of Fig. 1) on the lower side / kin 114. Only formed. It is desirable that the diameter of these openings 155 is substantially the same as the diameter defined by the lower end of the conical wall 122 formed in the upper container 111. Therefore, the lower packing 114 has substantially the same size and shape as the upper packing 113, but is not provided with the step portion 151 as provided in the upper packing 113. The lower packing 114 has almost the same thickness as the upper packing 113.
- the step 151 for holding the filter 115 is provided on the upper packing 113 in consideration of workability during assembly. However, the step 151 may be provided on the lower packing 114. Is possible. Further, it is possible to provide step portions having dimensions about half the thickness of the outer periphery of the filter 115 in the upper packing and the lower packing, respectively.
- the lower container 116 has a plurality (96 in the example shown in Fig. 1) of reservoirs that hang down substantially vertically from the surface of the lower container 116 at positions corresponding to the openings 120 of the upper container 111. 160 is formed (see FIGS. 4 and 5).
- the reservoir 160 has a function of receiving and storing only the filtered inspection sample after the substance to be inspected supplied to the opening 120 of the upper container 111 is filtered by the filter 115. That Therefore, the reservoir 160 has a size that can secure a volume capable of accommodating a necessary test sample.
- an outer peripheral rib 161 extending downward from the reservoir 160 is formed on the outer peripheral portion of the lower container 116.
- the outer peripheral rib 161 includes an inclined portion 162 in which the surface force of the lower container 116 extends outward and downward, a stepped portion 163 extending downwardly and outwardly from the lower end of the inclined portion 162, and Consists of.
- These outer peripheral ribs 161 have a function of enabling stable stacking when a plurality of microplates 110 according to the present invention are stacked. Therefore, the lower end portion of the outer peripheral rib 161 is positioned below the reservoir portion 160.
- the inclined portion 162 has an inclination angle that substantially contacts the inclined inner surface 139 of the connecting member 112 in close contact. As a result, the lower container 116 and the connecting member 112 can be joined in close contact.
- a plurality (15 in the illustrated example) of positioning pin receiving portions 164 are preferably integrally formed in the lower container 116.
- the positioning pin receiving portion 164 has a conical shape, and the positioning pin 145 of the connecting member 112 is received with a predetermined gap on the inner surface thereof.
- the lower end portion of the positioning pin receiving portion 1 64 is in an open state.
- the filter 115 has an action of selecting only necessary elements from the substance to be inspected supplied to the opening 120 of the upper container 111 and sending it to the reservoir 160 of the lower container 116. It is a filtration material with uniform through holes to collect specific substances with high accuracy. Generally, it is formed by etching a silicon wafer. The pore diameter of the filter 115 is determined according to the size of the specific substance required. Further, in order to shorten the filtering time, the filter 115 is extremely thin and is in a thin film state. Therefore, since it is easy to damage, handling with great care is required. However, in the portion set with respect to the microphone port plate, the portion accommodated in the step portion 151 of the upper packing 113 is a thick film as shown in FIGS.
- the filter 115 forms an inclined slope in order from the thick peripheral part accommodated in the step part 151 toward the central thin film part.
- the filter 115 has a rectangular shape, and the step portion 151 of the upper packing 113 for receiving the filter is similarly rectangular.
- the filter 115 and the stepped portion 151 having a shape, but not limited thereto, may be circular, elliptical, or other shapes.
- the upper container 111 is placed in an inverted state.
- the upper packing 113 is installed in the upper container 111 in the inverted state.
- the filter 15 is set on the step portion 151 of the upper packing 113.
- the filter 115 is arranged so as to be located in a state opposite to that during operation (inverted state).
- the lower knocking 114 is disposed on the upper surface of the upper packing 113 and the filter 115.
- both the upper packing 113 and the lower packing 114 are appropriately disposed inside the outer vertical wall 124 of the upper container 111.
- the connecting member 112 is installed on the upper surface of the lower packing 114.
- the connecting member 112 is positioned so that the rising wall 135 having the protrusion 136 faces downward and covers the lower packing 114, and the protrusion 136 of the connecting member 112 is positioned on the outer vertical wall 124 of the upper container 111.
- the connecting member 112 is pushed toward the upper container 111 until it completely fits into the protrusion 125 provided on the upper part 111, and it is confirmed that the connecting member 112 and the upper container 111 are securely fitted in the outer peripheral area.
- 115 lock pins 143 provided on the connecting member 112 are inserted into the fitting holes 128 of the upper container 111.
- the diameter dimension of the lock pin 143 is larger than the diameter dimension of the lower portion 130 of the fitting hole 128. While pushing the lock pin 143 into the lower part 130 forcibly, the top portion of the lock pin 143 having the abacus ball shape is moved toward the center by the groove and the diameter thereof is reduced. Can be easily inserted into the lower part 130. When the lock pin 143 is further pushed into the fitting hole 128, the lock pin 143 reaches the upper portion 130 having an enlarged diameter. Therefore, the top of the lock pin 143 that has been in a reduced diameter state returns to the normal diameter state. For this reason, the lock pin 143 is supported by the step portion 131 of the fitting hole 128 and the force is prevented from coming off. Therefore, it is necessary to confirm that the lock pin 143 is securely engaged with the stepped portion 131. This is the locking pin axial direction Can be easily confirmed by the sound when the lock pin is fitted to the step.
- the position shift of the filter 115 is completely prevented.
- the upper container 111 and the connecting member 112 are securely intimately fitted by undercut fitting with protrusions 125 and 136 arranged over the entire circumference and hook fitting with the fitting hole 128 and the lock pin 143, respectively. Is planned.
- the lower container 116 is attached. Similarly, the lower container 116 is mounted in an inverted state with respect to the connecting member 112 which is in an inverted state and the holding wall portion 137 faces upward. At this time, the inclined portion 162 of the lower container 116 is arranged so as to be in close contact with the inclined inner surface 139 of the connecting member 112. Depending on the molding angle and the material used, a 0-ring groove or the like is formed on the inclined inner surface 139 of the connecting member 112 or the inclined portion 162 of the lower container 116, and airtightness such as 0-rings is formed there. It is also necessary to consider the installation of the lower container 116 in order to install possible components and then prevent air from flowing out through that part.
- each positioning pin receiving portion 164 of the lower container 116 is positioned and pushed into the position of each mouth pin 143 of the connecting member 112.
- the positioning pin receiving portion 164 of the lower container 116 is disposed on the outer periphery of the positioning pin 145 of the connecting member 112 with a narrow cone-shaped interval 170.
- the reservoir 160 of the lower container 116 is disposed so as to align with the opening 140 formed by the guide wall 144 of the connecting member 112. In this state, as shown in FIGS. 4 and 6, a slight gap is formed between the lower container 116 and the connecting member 112, and this forms a passage 171.
- the connecting member 112 and the lower container 116 are rubbed together at the inclined inner surface 139 and the inclined portion 162 provided on the outer periphery of each. Or a force that fits in an airtight state with the aid of a zero ring or the like, a slight gap 170 and a passage 171 are defined between the two except for the inclined surface. Further, in order to hold the passage 171, a base 146 is formed on the connecting member 112, and the passage 171 is not crushed when the base 146 contacts the lower container 116. This completes the assembly of the microplate with filter 110.
- a positioning mark is attached to each part so that the assembly machine can refer to the position of each part and accurate positioning of each part. be able to.
- assembly work can be automated and mass production becomes possible.
- the upper container 111 is easily damaged, and the positioning work of the filter 115 is an important factor in the assembly work, so that the filter 115 itself can be properly positioned so that the filter 115 can be appropriately positioned. It is important to place a mark on the corner or on the member that accepts the filter (eg, the corner of the knockout) that identifies the assembly location.
- one microplate 110 with a filter is arranged at a predetermined position that is horizontal.
- the number of openings 120 that is, 96 samples can be collected simultaneously as test samples.
- FIG. 4 showing an enlarged cross section of the opening 120 the substance to be inspected supplied into the opening 120 defined by the conical wall 122 of the upper container 111 is the upper packing.
- 113 is held by the stepped portion 151 of the 113 and is sandwiched by the lower packing 114, and is dropped onto the thin filter at the center of the filter 115.
- only a test sample having a predetermined characteristic can pass through the filter 115.
- the inspection sample thus selected is the connecting part. Guided by the guide wall 141 of the material 112 and accommodated in the reservoir 160 of the lower container 116.
- the substance to be inspected may change its physical properties while the substance to be inspected hardly passes through the filter 115. Therefore, in the microplate 110 of the present invention, in order to achieve the filtering operation as quickly as possible for the substance to be inspected, the substance to be inspected accommodated in the opening 120 can pass through the filter 115 quickly.
- a means for providing a negative pressure to the reservoir 160 of the lower container 116 and forcibly moving the substance to be inspected through the filter is provided.
- the lower end portion of the positioning pin receiving portion 164 of the lower container 116 of the microplate maintaining the horizontal state is in an open state, and the decompression means is airtight to a plurality of suction portions (not shown) communicating therewith. Connect to the state.
- the pressure reducing means is activated to start pressure reduction.
- the air in the reservoir 160 below the filter 115 is exhausted through the passage 171 and the interval 170 defined between the connecting member 112 and the lower container 116.
- the pressure in the reservoir 160 becomes negative, and the substance to be inspected is forcibly sucked into the reservoir 160 through the filter 115. Therefore, a predetermined substance in the substance to be inspected is quickly accommodated in the reservoir 160 via the filter 115.
- a guide wall 141 is provided on the connecting member 112 in order to prevent the inspection sample that has passed through the filter 115 from being sucked into the passage.
- the guide wall 141 guides the test sample that has passed through the filter 115 to the reservoir 160, and at the same time acts to weaken the influence of air flow on the test sample so that the test sample is not sucked into the passage.
- FIG. 7 is a plan view of the microplate with filter 40 according to the present invention.
- the surface of the mouth plate 40 has a rectangular shape as shown in the figure, and the whole is a rectangular parallelepiped having, for example, a long side (120 to 150 mm) X a short side (80 to 100 mm) X a thickness (10 to 30 mm).
- the microplate with filter 40 of the present invention may have a surface shape other than a rectangular shape as shown in FIG. 7 or other rectangular shapes, for example, a circular shape or an elliptical shape.
- the rectangular shape will be described.
- a large number of openings 50 are arranged on the entire surface side, that is, the upper side, and culture is performed through these openings 50.
- a liquid for example, a substance to be examined such as blood that has been decided is supplied into the microplate 40.
- the microplate 40 of the present invention includes an upper container 41 in which the opening 50 is formed, an intermediate container 42 fitted and engaged with the upper container 41 at the periphery, The lower container 43 disposed below the intermediate container 42, the upper packing 44 and the lower packing 45 sandwiched between the upper container 41 and the intermediate container 42, and the upper container 41 are positioned.
- the filter 46 is disposed at a predetermined position of the upper packing 44, and the auxiliary packing 47 is disposed between the intermediate container 42 and the lower container 43.
- the upper container 41 and the intermediate container 42 have approximately the same cross-sectional area, and only the lower container 43 has a slightly larger cross-sectional area than these containers. have.
- the upper packing 44 and the lower packing 45 are arranged so as to be enclosed in the upper container 41.
- the filter 46 disposed in the upper packing 44 has a cross-sectional area that is substantially the same as the cross-sectional area of the opening 50, and corresponds to the opening 50 in a one-to-one manner in the illustrated example.
- a total of 96 filters 46 are arranged below the opening 50.
- the auxiliary packing 47 is arranged so as to be enclosed in the intermediate container 42.
- the upper container 41, the intermediate container 42, and the lower container 43 are all formed of a plastic material (for example, polypropylene resin) that has chemically stable characteristics and is elastically deformable.
- Knockins 44, 45, and 47 are also soft materials having chemically stable characteristics (eg, For example, silicon). Furthermore, it is desirable that all of these containers and packings are made of a transparent material.
- the filter 46 can be formed, for example, by etching a silicon wafer.
- the force to describe the knocks 44, 45, 47 as three separate parts is not limited to this.
- the auxiliary packing 47 is attached to the top plate of the lower container 43.
- the parts can be pre-bonded with different materials or insert molding, which improves the assembly workability. Also, by changing the filter holding configuration, knocks 44 and 45 are formed as a single unit by integral molding, reducing the number of parts and facilitating assembly work.
- an outward projection 53 having, for example, a substantially circular cross section is formed on the outer surface of the outer vertical wall 52 (FIGS. 9 and 18).
- the projection 53 is preferably a force formed over the entire outer surface of the outer vertical wall 52, but is not limited to this, and can be intermittently disposed on the entire outer surface.
- a flange 54 is formed on the outer side of the outer vertical wall 52 of the upper container 41 so as to be directed outward in the radial direction. It has a function to protect the end.
- a plurality of (two in the example shown in the figure) downward contact rings 55 are formed on the lower surface of each of the conical walls 51 and in contact with the upper packing 44 in a substantially concentric circle. Is done. These contact rings 55 come into contact with the upper surface of the upper packing 44 and press the upper packing, causing the packing to change its position. Provide a function to prevent this.
- a plurality of fitting holes 56 are formed in the air space between the openings 50, as shown in FIGS.
- this fitting hole 56 also has a right force in the vertical direction between the second and third rows, between the fourth and fifth rows, and between the sixth and seventh rows.
- the fitting hole 56 is formed by a hole having a circular cross section that has a constant surface force of the upper container 41 and hangs down.
- This hole has an upper portion 57 having a diameter somewhat smaller than the diameter of the opening 50, and a lower portion 58 having a diameter smaller than that of the upper portion and gradually expanding as it goes downward.
- a step portion 59 which is between the upper portion 57 and the lower portion 58 and extends in the horizontal direction. The reason why the diameter of the lower portion 58 gradually increases as it goes downward is to facilitate the introduction of the lock pin 67 into the fitting hole 56.
- slight build-up portions 77 for reinforcement are formed around the outer peripheral edge of the upper container 41 and the periphery of the opening 50, respectively.
- the intermediate container 42 shown in FIGS. 19 to 25 is disposed to face the lower side of the upper container 41, and cooperates with the upper container 41 to clearly show the upper packing 44 in FIGS. And has a function of sandwiching the lower packing 45.
- the smooth container 42 also has a function of connecting the upper container 41 and the lower container 43 to each other.
- the intermediate container 42 has a rising wall 60 that rises integrally in a substantially vertical direction with its outer peripheral force directed toward the upper container 41. Have. As shown in FIG. 9, the rising wall 60 rises to a position surrounding the outer surface of the outer vertical wall 52 of the upper container 41.
- An inward projection 61 having a substantially circular cross section, for example, is formed on the inner side surface of the rising wall 60. The inward projection 61 is engaged with the upper portion of the outward projection 53 between the outward projection 53 provided on the outer vertical wall 52 of the upper container 41 and the flange 54 of the upper container 41. Form in position.
- the protrusion 61 is preferably The force formed over the entire inner surface of the rising wall 60 is not limited to this. In other words, it can be provided only at the position where the protrusion 53 of the upper container 41 which is the mating partner is provided. As a result, the fitting operation between the upper container 41 and the intermediate container 42 is facilitated, and the cost of the material used can be improved.
- the rising wall 60 extends to a position above the position of the protrusion 61 and not to contact the flange 54 of the upper container 41. As a result, the rising wall 60 is reinforced and the fitting state of the upper container 41 and the intermediate container 42 is stabilized.
- a holding wall portion 62 is provided around the outer periphery of the intermediate container 42 so as to hang downward in the opposite direction to the rising wall 60. is there.
- the holding wall 62 is preferably suspended so as to surround the entire outer periphery of the intermediate container 42.
- the holding wall 62 extending downward preferably extends downward from the inner portion of the rising wall 60 extending upward. This is a molding requirement rather than a functional requirement for the intermediate container 42.
- the number of the openings 50 is equal to the number of the openings 50 in the intermediate container 42 at positions corresponding to the openings 50 formed in the upper container 41 when the intermediate container 42 is assembled to the upper container 41 (see the figure).
- 96 openings 63 having a circular cross section are formed (Figs. 9, 19, and 23).
- openings 63 have a diameter somewhat smaller than the diameter of the opening 50 formed in the upper container 41 as shown in FIG.
- the opening 63 is constituted by a thin, valve-shaped guide wall 64 that hangs down integrally from the intermediate container 42 toward the lower center of the opening 63.
- the lower ends of these guide walls 64 provide a circular lower opening 65.
- the end portion of the guide wall 64 extends in the direction of a reservoir 80 of the lower container 43 described later to at least a position below the intermediate portion of the reservoir 80, and is provided to the opening 50 of the upper container 41.
- An object such as a liquid is reliably guided to the reservoir 80, and at the same time, scattering to the wall surface above the reservoir 80 is prevented, and the analyte contained in the reservoir 80 is prevented from flowing backward.
- a plurality of openings are upwardly formed so as to form a concentric circle with each opening 63 in the peripheral portion on the upper surface of the intermediate container 42 and each opening 63 is formed.
- the contact ring 66 (FIG. 23) is formed. These contact rings 66 come into contact with the lower surface of the lower packing 45 and press the packing 45 to Provides a function to prevent the position 45 from changing position.
- the intermediate container 42 has an upper surface cap of the intermediate container 42 at a position corresponding to the fitting hole 56 (FIG. 13) of the upper container 41.
- a plurality (15 in the example shown in the figure) of the lock pins 67 rise and are integrally formed at their positions.
- Each of these lock pins 67 preferably has a plurality of divided structures. That is, as shown in FIG. 24A, it is formed by a pair of rising pieces 68 having a groove-like interval 48 and having a symmetrical shape. An enlarged-diameter portion 69 having an enlarged diameter is formed on the upper portion of each rising piece 68. For this reason, the top portion of the rising piece 68 has a shape similar to a Soroban ball. This gives rise to elastic properties that can expand and contract in the radial direction at the top of the abacus ball shape.
- the rising piece 68 has a structure divided into two parts.
- the rising piece 68 is not limited to this.
- the groove portions having a predetermined width dimension every 90 degrees are vertically arranged. It can be provided along the direction, and the angle at which the groove is provided can be 60 degrees, 120 degrees, or any other angle. In short, it is desirable to prevent the deviation in elastic properties by providing grooves at equal angles.
- the lower portion 58 of the fitting hole 56 is gradually reduced in diameter as shown in FIG.
- the enlarged diameter portion 69 of the lock pin 67 is gradually elastically reduced in diameter and can be easily pushed into the fitting hole 56.
- the enlarged diameter portion 69 of the lock pin 67 reaches the stepped portion 59 of the fitting hole 56, the enlarged diameter portion 69 is automatically expanded by an elastic force and easily engaged with the stepped portion 59. be able to.
- the lock pin 67 cannot be separated because it fits into the fitting hole 56 in a so-called mating state, but for example, a defect is found in the filter after assembly. When it is done, it is necessary to take out the defective filter and replace it. Therefore, the width dimension of the longitudinal groove formed in the enlarged diameter portion 69 may be adjusted as appropriate so that the lock pin 67 can be separated from the fitting hole 56 as necessary. Is possible.
- each guide wall 64 depending from the intermediate container 42 a plurality (four in the example of FIG. 9) of generally oval contact rings 70 are directed downward so as to surround the guide walls 64. It is formed into The arrangement of the contact ring 70 is shown in FIGS. 9 and 23 and FIG. 20 showing the back of the intermediate container 42. These contact rings 70 come into contact with the upper surface of an auxiliary packing 47 to be described later and press the auxiliary packing 47 with an upward force to accurately position the auxiliary packing 47 at a predetermined position.
- the reason why the arrangement of the contact ring 70 has an approximately elliptical shape is that the opening 94 of the auxiliary knockin 47 has an approximately elliptical shape as well.
- the plurality of contact rings 70 are not limited to quadruple, as in the case of the contact rings 55 and 66 described above.
- a plurality of circular openings 71 are formed at respective positions corresponding to the openings 50 of the upper container 41 ( ( Figure 33). These openings 71 are formed through the packing 44 itself. Further, a rectangular stepped portion 72 is provided on the periphery of the opening 71 and on the back side of the packing 44 (FIGS. 34 and 36). The shape and depth of the stepped portion 72 substantially match the shape and thickness dimension of the filter 46 described later. In the example shown in the figure, a rectangular filter is assumed, so the stepped portion 72 has a rectangular shape. When used, the stepped portion 72 has a circular shape whose diameter is larger than that of the opening 71. The diameter of the opening 71 is preferably substantially the same as the diameter defined by the lower end of the conical wall 51 formed in the upper container 41. This is to prevent leakage of substances to be inspected and to perform inspection without waste.
- the opening 73 is for receiving the lower portion 58 (FIG. 17) of the fitting hole 56 formed in the upper container 41.
- a positioning recess 74 is provided at the corner of the upper packing 44. This indentation 74 is formed as a shallow recess in place as shown in FIG. In the illustrated example, one force is provided at different corners of the upper surface (FIG. 33) and the rear surface (FIG. 34) of the packing 44, but the present invention is not limited to this.
- a total of eight may be provided, one at each of the four corners on the top and bottom surfaces, or one on one side. This is because these recesses 74 have a function of specifying a reference point when the filter 46 is mounted in the opening 71 of the packing 44, and various reference points are required by the filter mounting mechanism.
- the lower packing 45 shown in FIG. 38 has a plurality of circular openings 75 (96 in the illustrated example) at positions corresponding to the openings 50 of the upper container 41. Is done.
- the diameters of these openings 75 are preferably substantially the same as the diameter defined by the lower end of the conical wall 51 formed in the upper container 41.
- a plurality of openings (15 in the example shown in the figure) 76 between the openings 75 of the lower knock 45 have a size slightly larger than the dimensions of the openings 75, and penetrate the packing. Provided. This opening 76 is for receiving the lower part 58 (FIG. 17) of the fitting hole 56 formed in the upper container 41.
- the lower packing 45 has almost the same dimensions as the upper packing 44! /, But the step 72 as provided on the back surface of the upper packing 44 is not provided. 76 is in a state where the upper surface force penetrates to the back surface, and therefore, the lower packing 45 has substantially the same shape on the upper surface and the back surface.
- the lower packing 45 has almost the same thickness as the upper packing 44.
- a step 72 for holding the filter 46 considering the workability at the time of assembly, the upper packing 44 is provided with this stepped portion on the lower knocking 45, and the filter 46 can be accommodated therein.
- the lower container 43 is formed with a plurality of reservoir parts 80 (96 in the example shown in the figure) that hang down integrally from the surface of the lower container 43 in a position corresponding to the opening 50 of the upper container 41. ( Figure 9, Figure 12, Figure 29).
- These reservoirs 80 have a function of filtering the test substance supplied to the opening 50 of the upper container 41 by the filter 46 and receiving and storing only the filtered test sample. For this reason, the reservoir 80 has a size capable of securing a volume capable of accommodating a necessary amount of the test sample.
- an outer peripheral rib 81 extending downward from the reservoir 80 is formed on the outer peripheral portion of the lower container 43.
- the outer peripheral rib 81 extends further downward through a first hanging portion 82 in which the surface force of the lower container 43 extends outward and downward, and a step portion extending substantially horizontally from the lower end portion of the first hanging portion 82.
- a third drooping portion 84 that extends further downward from a lower end portion of the second drooping portion 83 through a step that extends substantially horizontally.
- outer peripheral ribs 81 have a function of stacking a plurality of microplates 40, which is useful for the present invention, that is, enabling stable stacking when stacking. That is, as shown in FIG. 27, the lateral inner dimension L3 and the longitudinal inner dimension L4 of the third hanging part 84 are formed almost equal to the lateral dimension L5 and the longitudinal dimension L5 of the upper container 41 shown in FIG. Furthermore, in order to ensure stable stacking, as shown in Fig. 27, the inner wall surface of the third hanging part 84 has a plurality of stack ribs 85 (10 in the example shown in the figure). It is formed. These stack ribs 85 engage with the outer periphery of the upper container 41 during stacking to maintain the stacking in a stable state. Further, the outer dimension of the first hanging part 82 is slightly smaller than the inner dimension of the holding wall part 62 of the intermediate container 42. As shown in FIG. Provide relationship.
- the lower container 43 is formed with a plurality of reservoirs 80. These When the reservoir 80 is viewed from above, a pair of ventilation portions 90 are formed in the diameter direction of the reservoir 80 as shown in FIG. As shown in FIG. 30, these ventilation portions 90 are formed so that the neck portion of the reservoir portion 80 extends in a substantially vertical direction with respect to the upper surface 91 at an enlarged slope 92 extending to the upper surface 91 of the lower container 43. Is done. As a result, the upper opening end of the ventilation portion 90 communicates with the diameter-expanded slope 92 and opens there.
- FIG. 31 shows an enlarged slope 92 and a vent 90 with an upper end open to it.
- FIG. 32 shows a state in which the ventilation part 90 is opened to the outside of the reservoir part 80.
- a view of the lower container 43 as seen from below is shown in FIG.
- the reservoir 80 is shown larger than the reservoir 80 shown in FIG. 26 because FIG. 27 shows the outer diameter portion of the reservoir 80 while FIG. 26 shows the inner diameter portion. is there.
- the portion that protrudes radially outward from the outer diameter portion of the reservoir portion 80 in the radial direction is the enlarged-diameter slope 92 and the ventilation portion 90 formed there. Is shown from below.
- the shape of the reservoir 80 is somewhat different between FIG. 30 and FIG. That is, in FIG. 30, the reservoir is formed to be narrow as a whole, while in FIG. 31, the reservoir is formed as a whole wider than that of FIG.
- the cross-sectional direction is shown in FIG. 30, and FIG.
- FIG. 30 shows a cross-section as viewed along the direction connecting the pair of ventilation portions.
- FIG. 31 shows a cross section viewed along the direction perpendicular to the direction connecting the pair of ventilation portions, forming a reservoir. This is because there is no influence of the expanding slope. This relationship is the same as in FIGS. 12 and 9.
- An auxiliary packing 47 as shown in FIG. 39 is mounted between the intermediate container 42 and the lower container 43.
- the auxiliary packing 47 is made of substantially the same material as the upper packing 44 and the lower packing 45, and has the same thickness and area as those of the packings, and the number of openings 94 formed therein. Is the same.
- the shape of the opening 94 has a substantially elliptical shape similar to the arrangement shape of the contact ring 70 provided on the back surface of the intermediate container 42.
- the size is somewhat smaller than contact ring 70. This is clear from Figure 9. This is because the opening 94 is formed inside the position of the contact ring 70.
- the reason why the opening 94 has an approximately elliptical shape is that the ventilation portion 90 formed around the reservoir portion 80 provided in the intermediate container 42 is not blocked. Since the opening 94 is formed so as to penetrate from the upper surface to the back surface, the upper surface and the back surface of the auxiliary packing 47 have substantially the same shape.
- the filter 46 (Fig. 9) has an action of selecting only the necessary elements to be inspected and supplied to the opening 50 of the upper container 41 and sending them to the reservoir 80 of the lower container 43.
- the filter pore diameter is determined according to the size of the specific material required.
- the filter 46 is in a very thin film state. For this reason, it is very easy to damage and requires careful handling. Therefore, the portion set with respect to the microplate, that is, in the example shown in the figure, the portion accommodated in the stepped portion 72 formed in the upper packing 44 in FIG.
- the filter 36 has a thickness as shown in FIGS. It is a membrane.
- the filter 46 has an inclined portion 49 that is sequentially inclined from the thick peripheral portion accommodated in the step portion 72 toward the central thin film portion.
- the filter 46 has a rectangular shape, and the step 72 of the upper packing 44 for receiving the filter similarly has a rectangular shape.
- the present invention is not limited to this. This is not the case as described above.
- the upper container 41 is placed in an inverted state.
- the upper packing 44 is installed in the upper container 41 in the inverted state.
- the stepped portion 72 of the upper packing 44 is set to face upward.
- the filter 46 is set on the step 72 of the upper packing 44.
- the filter 46 is placed in a state opposite to that during operation (inverted state). Note that the filter 46 is very thin as a whole, and particularly the circular central portion disposed in the opening 71 in FIG. In the filter 46, the central thin part force located in the opening 71 is also accommodated in the stepped part 72.
- both the upper packing 44 and the lower packing 45 can be appropriately arranged inside the outer vertical wall 52 of the upper container 41.
- the upper packing 44 with one filter can be installed in the upper container 41 in an inverted state. Therefore, the upper packing 44 is provided with indentations 74 at different corners on the upper and lower surfaces of the packing 44 so that the position of the upper packing 44 can be appropriately controlled.
- the reference position of the packing 44 is finely adjusted as necessary. It is required to do. In such a case, by applying an appropriate position control mechanism such as an indicator to the depression 74, the filter 46 can always be disposed at an appropriate position of the upper packing 44.
- the intermediate container 42 is installed on the upper surface of the lower packing 45.
- the intermediate container 42 is positioned so that the rising wall 60 having the protrusion 61 faces downward and covers the lower packing 45, and the protrusion 61 of the intermediate container 42 is positioned on the outer vertical wall 52 of the upper container 41.
- the intermediate container 42 is pushed toward the upper container 41 until it is completely fitted to the provided protrusion 53, and it is confirmed that the intermediate container 42 and the upper container 41 are securely fitted in the outer peripheral area.
- 15 lock pins 67 provided in the intermediate container 42 are inserted into the fitting holes 56 of the upper container 41.
- the diameter dimension of the lock pin 67 is larger than the diameter dimension of the lower portion 58 of the fitting hole 56.
- the lock pin 67 when the lock pin 67 is forcibly pushed into the lower portion 58 that gradually decreases in diameter, the top portion of the lock pin 67 having the abacus bead shape is moved toward the center by the space having the interval 48 to reduce the diameter. Therefore, the lock pin 67 can be easily fitted into the lower portion 58.
- the lock pin 67 When the lock pin 67 is further pushed into the fitting hole 56, the lock pin 67 reaches the upper portion 57 having an enlarged diameter. Therefore, the top of the lock pin 67 that has been in a reduced diameter state returns to the normal diameter state. For this reason, the lock pin 67 is supported by the step portion 59 of the fitting hole 56, and the force is also released. Is prevented. Therefore, it is necessary to confirm that the lock pin 67 is securely engaged with the stepped portion 59. This can be easily confirmed by moving the lock pin up and down along the axial direction, and by the sound when the lock pin is fitted into the stepped portion.
- the auxiliary packing 47 is appropriately attached to the air space defined by the holding wall portion 62 extending upwardly with respect to the intermediate container 42 in the inverted state.
- the auxiliary packing 47 is held at a desired position by a contact ring 70 provided around the opening 63 of the intermediate container 42 (quadruple in the illustrated example).
- the lower container 43 is attached.
- the lower container 43 is mounted in an inverted state with respect to the intermediate container 42 in which the intermediate container 42 is in the inverted state and the holding wall portion 62 faces upward.
- the assembling operation is completed by assembling so that the outer surface of the first hanging portion 82 provided in the lower container 43 is in close contact with the inner surface of the holding wall portion 62 provided in the intermediate container 42.
- the microplate 40 with the filter after the assembly work is returned to the use position as shown in FIG.
- a funnel-shaped guide wall 64 formed in the intermediate container 42 is disposed in the reservoir 80 of the lower container 43 so as to be loosely fitted.
- the microplates 40 can be sequentially stacked and stored, and at this point, when stacked, the flange 54 provided in the upper container 41 of the lower microplate is It is set against the stack rib 85 inside the third hanging part 84 of the microplate just above, so that the microplate can be securely held. Therefore, each micro play
- the stacks are stacked in a multi-stage state in a stable posture.
- a positioning mark is attached to each part so that the assembly machine can refer to the position of each part and accurate positioning of each part.
- the positioning operation of the easily damaged filter 46 with respect to the upper container 41 is an important factor in assembling work. Therefore, the upper packing 44 having the filter receiving step 72 for receiving the filter 46 is not necessary. It is important to provide alignment recesses 74 on the top and Z or bottom surfaces of the upper packing 44 so that proper positioning is possible.
- the microplate with filter 40 of Example 2 of the present invention As shown in Fig. 8, one microplate with filter 40 is placed in a horizontal position. Next, the substance to be inspected is supplied to the opening 50 of the upper container 41 using an appropriate instrument such as a pipette. In the microplate 40 shown here, the number of openings 50, that is, 96 specimens can be collected simultaneously as test samples. Referring to FIG. 9 showing an enlarged cross section of the opening 50, the substance to be inspected, which is defined by the conical wall 51 of the upper container 41 and supplied into the opening 50, is the upper packing 44. The filter 46 is held at the step 72 and is sandwiched by the lower packing 45, and is dropped onto the filtration surface.
- test sample having a predetermined characteristic can pass through the filter 46.
- the inspection sample thus selected is guided by the funnel-shaped guide wall 64 of the intermediate container 42 and accommodated in the reservoir 80 of the lower container 43.
- the amount of the test sample accommodated in the reservoir 80 is within the air space indicated by the dimension L7 from the bottom partial force of the reservoir 80 to the lower opening 65 of the lower end of the guide wall 64. The amount is within the range.
- the specific sample volume is about 30 cubic millimeters at the maximum.
- the substance to be inspected due to the mesh size of the filter 46 used in the present invention, the substance to be inspected hardly passes through the filter 46, and the substance to be inspected changes in physical properties due to contact with air, for example. Danger may be expected. Therefore, in the microplate 40 of the present application, in order to complete the filtering operation as quickly as possible to the substance to be inspected, the substance to be inspected supplied to the opening 50 can pass through the filter 46 quickly.
- a means for providing a negative pressure to the reservoir 80 of the lower container 43 and forcibly moving the substance to be inspected into the reservoir 80 through the filter is provided.
- the pressure around the reservoir 80 of the microplate with filter 40 of the present invention is reduced by a known pressure reducing means such as a pump.
- a known pressure reducing means such as a pump.
- the air inside the reservoir 80 is discharged to the outside of the reservoir 80 via the pair of ventilation portions 90, and the pressure in the reservoir 80 decreases.
- the inside of the reservoir 80 becomes negative pressure, so that air in the opening 63 of the intermediate container 42 just below the filter 46 is sucked out of the reservoir 80 as indicated by reference numeral 95 in FIG.
- the opening 63 becomes a negative pressure.
- the substance to be inspected supplied to the opening 50 of the upper container 41 is quickly sucked downward through the filter 46.
- the substance to be inspected is forcibly moved into the reservoir 80 through the filter 46.
- the liquid level of the substance accommodated in the reservoir 80 does not rise above the dimension L7. In other words, it is necessary to provide a space between the liquid level of the sample and the lower opening 65 of the inner wall 64. If there is no such space, the liquid will be sucked directly into the decompression device and the initial purpose will not be achieved.
- FIGS. 40A and 40B Relationship between the number of ventilation portions 90 for discharging the air inside the reservoir 80 to the outside of the reservoir 80, the mounting position of the ventilation portion 90, and the position of the guide wall 64 in the reservoir 80 These are shown in FIGS. 40A and 40B.
- FIGS. 40A and 40B eight (&), 60)), and the same (.) Indicate examples in which the number of vents 90 is one, and D (d) and E (e) are two.
- An embodiment in which the individual ventilation portions 90 are provided in the diametrical direction is shown.
- examples a, b, and d in which the ventilation part 90 is provided on the circumscribed circle 96 in contact with each corner of the rectangular filter 46 are shown in examples a, b, and d. Show.
- the longitudinal axis 98 of the reservoir 80 and the longitudinal axis 99 of the guide wall 64 are on the same axis, and air is stored in the reservoir 80 during decompression.
- the moving space is almost the same around the guide wall 64.
- the embodiment of B (b) is an embodiment in which the guide wall 64 approaches the side opposite to the side where the ventilation portion 90 is provided.
- one ventilation portion 90 is provided close to the reservoir portion 80, and the side of the guide wall 64 opposite to the side where the ventilation portion 90 is provided, as in the embodiment of B (b). This is an example of approaching.
- the embodiment of D (d) is the same as the embodiment of A (a), but is provided with a pair of ventilation portions 90 facing each other in the diameter direction.
- the longitudinal axis 98 of the reservoir 80 coincides with the longitudinal axis 99 of the guide wall 64, as in the embodiments of A (a) and D (d).
- An embodiment in which a pair of ventilation portions 90 facing each other in the diameter direction is provided close to the reservoir portion 80 will be described. According to the experiments by the present inventors, it has been found that the pressure loss is reduced when the position of the ventilation portion 90 is close to the reservoir portion 80. However, it was also found that considerable variations occur depending on the decompression strength, the amount of liquid in the reservoir 80, and the like.
- a circle 97 inside the circumscribed circle 96 indicates more than the circumscribed circle of the inclined portion 49 of the filter 46.
- the hatching inside the reservoir 80 indicates a sample, and this amount is about 30 cubic millimeters.
- Example 3 shown in FIG. 41 is similar to Example 2 described so far, only the points different from the example described above will be described below.
- elements or parts similar to those of the previous embodiment are indicated by adding A to the reference numerals of the previous embodiment.
- each element constituting FIG. 41 has a shape slightly different from that of the element disclosed in the previous drawing, particularly FIG.
- the basic structure of this embodiment is substantially the same as the previous embodiment, and is only a change that can be easily understood by those skilled in the art, so the detailed drawings of each component relating to the third embodiment are omitted. To do.
- a flange rising portion 86 is preferably vertically integrated upward from the flange 54A constituting the peripheral portion of the upper container 41A, preferably integrally with the upper container 41A. Is standing up. Similarly, from the peripheral portion of each opening 50A, preferably, the opening rising portion 87 rises by upward force integrally with the upper container 41A.
- the height of the flange rising portion 86 and the height of the opening rising portion 87 are substantially the same or 86 is higher. This is so that when the plurality of microphone plate 40A are stacked on each other during transportation, the microplates 40A can be stacked in a stable state without wobbling each other. .
- the total set height of the microplate 40A is increased, and the height dimension L1 of the opening 50 shown in FIG. 3 is substantially increased. Easy handling of plate 40A. Further, the area of the opening 50A is enlarged, and the sample supply operation to the opening 50A becomes easy.
- the dimension L2 of the outer vertical wall 52 is somewhat larger than the dimension L1 of the conical wall 51. As a result, the outer vertical wall 52 is conically shaped due to the difference in size between the two.
- the packings 44 and 45 can be enclosed in the region defined by the vertical wall 52.
- the packing 44A and 45A is surrounded by an intermediate container. This is achieved by the inner start-up 88 provided by 42A.
- a contact ring denoted by reference numeral 55 in FIG. 9 is similarly provided at the lower end of the conical wall 51A.
- the intermediate container 42A which is disposed to face the lower side of the upper container 41A and has a function of sandwiching the upper packing 44A and the lower packing 45A in cooperation with the upper container 41A,
- the container 41A and the lower container 43A are connected to each other.
- the intermediate container 42A has a rising wall 60A that rises integrally in a substantially vertical direction from the outer periphery toward the upper container 41A.
- the rising wall 60A rises to a position surrounding the outer surface of the outer vertical wall 52A of the upper container 41A.
- the intermediate container 42A preferably has an inner rising wall 88 that stands integrally with the inner vertical surface 52A of the upper container 41A so as to contact the inner surface of the outer vertical wall 52A.
- the upper wall extends upward into the groove defined between the inner wall surface of the rising wall 60A and the outer wall surface of the inner rising wall 88.
- the outer vertical wall 52A of the container 41A is closely fitted. Thereby, the fitting between the upper container 41A and the intermediate container 42A becomes stronger.
- the inner rising wall 88 is configured to be lower than the height of the rising wall 60A, and the outer upper portion of the inner rising wall 88 is slightly cut off. The operation of fitting into the groove is facilitated.
- the inner rising wall 88 further has a function of aligning and holding the outer peripheral edges of the upper packing 44A and the lower packing 45A. For this reason, the inner rising wall 88 has a height sufficient to hold the nozzle / kin 44A and 45A on its inner side surface.
- the outer peripheral edges of these packings 44 and 45 are held on the inner surface of the outer vertical wall 52 of the upper container 41.
- the third embodiment shown in FIG. The difference is that it is held on the inner surface of the rising wall 88.
- the packings 44 and 45 are assembled into the upper container 41 in the inverted state, and then the intermediate container 42 is installed into the upper container 41.
- the intermediate container 42A may be assembled to the upper container 41A in an inverted state. Conceivable.
- the packings 44 A and 45 A used in the third embodiment are formed smaller than the packings 44 and 45 used in the second embodiment by the thickness of the inner rising wall 88.
- a holding wall portion 62A that hangs downward from there in the direction opposite to the rising wall 60A is physically provided.
- the holding wall portion 62A has a function of fitting the intermediate container 42A and the lower container 43A and holding the auxiliary packing 47A.
- the intermediate container 42A integrally has the same number of guide walls 64A as the number of the openings 50A at a position corresponding to the openings 50A of the upper container 41A.
- the guide wall 64A has a function of guiding the sample supplied to the opening 50A and then filtered by the filter 46A to the reservoir 80A of the lower container 43A.
- a contact ring 70A for holding the auxiliary packing 47A in a predetermined position is formed between the holding wall portion 62A and the guide wall 64A.
- the intermediate container 42A is further integrally provided with a convex part 89 protruding downward between the contact ring 70A and the holding wall part 62A.
- the convex portion 89 is preferably formed on the outer side of all the contact rings 70A formed around the guide wall 64A, but is not necessarily limited thereto, and the short direction of the intermediate container 42A and A plurality of holding walls 62A arranged along the longitudinal direction or Z may be provided in the inner portion.
- These convex portions 89 are intended to ensure that the auxiliary packing 47A always comes to the lower container 43A side when the lower container 43A is removed from the intermediate container 42A after the sample is sucked into the reservoir 80A.
- the auxiliary packing 47A adhering to the intermediate container 42A side prevents the trouble that the intermediate container 42A force is separated and the sample in the reservoir 80A is contaminated when unexpected. be able to. Since the contact ring 70A is for installing the auxiliary packing 47A at a predetermined position, it is desirable that the tip of the contact ring 70A has an acute angle, whereas the convex part 89 has the auxiliary packing 47A on the side of the intermediate container 42A.
- the end surface portion has a plane or circular component cross section.
- Example 3 shown in FIG. 41 the points other than the configuration described above are shown in FIGS.
- the configuration is substantially the same as that described in Embodiment 2 shown in FIG. 40B, and the method of use is the same as that described in Embodiment 2.
- an address is set at a position close to the opening of the upper container and Z or the lower container.
- the position of each opening can be specified by attaching A, B, C, etc. in the vertical direction of the upper container surface and 1, 2, 3, etc. in the horizontal direction.
- the lower container as shown in Fig. 42, for example, from the back side of the lower container so that A, B, C, 1, 2, 3, etc. can be correctly recognized when viewed from the upper container surface side. Process so that the characters can be seen straight.
- a plurality of lower container ribs 30 are installed on the side surface of the lower container 43 in contact with the intermediate container 42 so that they can be laminated in a state.
- the rib 30 to be installed is, for example, a microplate with a filter. Provide 3 locations in the longitudinal direction and 2 locations in the short direction.
- the microplate with a filter in the present invention can be set safely without damaging the thin and brittle filter, the price of the microplate itself is low, and the tray that contains the test sample easily after filtering.
- the depth of the reservoir is increased and the sample is further supplied into the reservoir. Because the guide wall is made longer, it is possible to prevent the sample from mixing with the adjacent sample even when a large negative pressure is applied during inspection suction, and it is possible to prevent the sample from flowing backward during inspection suction. In addition, the sample can be prevented from being pulled out of the reservoir.
- this invention provides an industrially extremely useful invention that can reliably meet the demand for rapid and accurate sample analysis of large samples. is there.
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Analytical Chemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Physics & Mathematics (AREA)
- Hematology (AREA)
- Pathology (AREA)
- General Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biotechnology (AREA)
- Clinical Laboratory Science (AREA)
- General Engineering & Computer Science (AREA)
- Microbiology (AREA)
- Genetics & Genomics (AREA)
- Sustainable Development (AREA)
- Molecular Biology (AREA)
- Urology & Nephrology (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/226,494 US20090105096A1 (en) | 2006-04-20 | 2007-04-17 | Filter-Equipped Microplate |
JP2008512108A JPWO2007123100A1 (ja) | 2006-04-20 | 2007-04-17 | フィルター付きマイクロプレート |
EP07741745A EP2017624A1 (en) | 2006-04-20 | 2007-04-17 | Filter-carrying micro plate |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006116668 | 2006-04-20 | ||
JP2006-116668 | 2006-04-20 | ||
JP2006322067 | 2006-11-29 | ||
JP2006-322067 | 2006-11-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007123100A1 true WO2007123100A1 (ja) | 2007-11-01 |
Family
ID=38625000
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/058309 WO2007123100A1 (ja) | 2006-04-20 | 2007-04-17 | フィルター付きマイクロプレート |
Country Status (5)
Country | Link |
---|---|
US (1) | US20090105096A1 (ja) |
EP (1) | EP2017624A1 (ja) |
JP (1) | JPWO2007123100A1 (ja) |
KR (1) | KR20090007692A (ja) |
WO (1) | WO2007123100A1 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009222709A (ja) * | 2008-02-21 | 2009-10-01 | Bruker Biospin Ag | 複数の試料容器、特にnmr試料管を用意するための試料枠 |
JP2013533491A (ja) * | 2010-07-27 | 2013-08-22 | インスプヘロ アーゲー | コンプライアントマルチウェルプレート |
JP2013165705A (ja) * | 2012-01-20 | 2013-08-29 | Sumitomo Bakelite Co Ltd | 処理具 |
JP2014069149A (ja) * | 2012-09-28 | 2014-04-21 | Sumitomo Bakelite Co Ltd | スペーサおよび処理装置 |
JP2015188314A (ja) * | 2014-03-27 | 2015-11-02 | 日立化成株式会社 | 細胞捕捉金属フィルタ、細胞捕捉金属フィルタシート、細胞捕捉デバイス、細胞捕捉金属フィルタの製造方法、及び、細胞捕捉金属フィルタシートの製造方法 |
WO2024057703A1 (ja) * | 2022-09-12 | 2024-03-21 | シーエステック株式会社 | マイクロプレート用フィルタプレート |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150238956A1 (en) * | 2012-09-11 | 2015-08-27 | Centre Hospitalier Universitaire Vaudois | Conical multi-well filter plate |
US10134053B2 (en) | 2013-11-19 | 2018-11-20 | Excalibur Ip, Llc | User engagement-based contextually-dependent automated pricing for non-guaranteed delivery |
FR3106764B1 (fr) * | 2020-01-31 | 2022-04-29 | Letat Francais Represente Par Le Mini De Linterieur | Dispositif pour analyser des éléments solides biologiques et dispositif pour sa mise en œuvre |
CA3205922A1 (en) | 2021-01-26 | 2022-08-04 | Camille MAURY | A nest for the packaging of plunger stoppers with stacking pins ensuring a reliable alignment of a pile of nests |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04158779A (ja) | 1990-10-19 | 1992-06-01 | Marubishi Baioenji:Kk | 菌体等培養装置に於ける蓋状除菌フイルター並びに該フイルターを用いた菌体等培養装置 |
JPH10257887A (ja) * | 1996-09-30 | 1998-09-29 | Dainippon Printing Co Ltd | 遺伝子解析装置および方法 |
JP2001520394A (ja) * | 1997-10-22 | 2001-10-30 | セーフティ アソシエイツ インコーポレイテッド | 種々の基質中の被検体を決定するための方法および装置 |
JP2002528265A (ja) * | 1998-10-29 | 2002-09-03 | ピーイー コーポレイション (エヌワイ) | マルチウェルマイクロ濾過装置 |
JP2004532099A (ja) * | 2001-03-08 | 2004-10-21 | エクセリクシス・インコーポレイテッド | 多ウェル装置 |
JP2004534943A (ja) * | 2001-05-31 | 2004-11-18 | ポール コーポレイション | 流体処理用のウェル |
JP2004354376A (ja) * | 2003-05-13 | 2004-12-16 | Becton Dickinson & Co | 生物的または化学的試料の処理方法および装置 |
JP2006505278A (ja) | 2002-11-07 | 2006-02-16 | コーニング・インコーポレーテッド | 細胞などの対象物の標識フリー検出を可能にする多層凹状体組込み装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5958714A (en) * | 1996-10-02 | 1999-09-28 | Safety Associates, Inc. | Test kits for determining at least two specific analytes in foods and other complex matrices |
US6692596B2 (en) * | 1999-12-23 | 2004-02-17 | 3M Innovative Properties Company | Micro-titer plate and method of making same |
JP3669996B2 (ja) * | 2001-06-14 | 2005-07-13 | ミリポア・コーポレイション | マルチウェル試験装置のための位置決めピン |
JP4575708B2 (ja) * | 2003-05-13 | 2010-11-04 | ベクトン・ディキンソン・アンド・カンパニー | 生物学的サンプルを精製および脱塩する方法並びに装置 |
US20050103703A1 (en) * | 2003-09-26 | 2005-05-19 | Stephen Young | Method of assembling a filtration plate |
US7282148B2 (en) * | 2003-10-30 | 2007-10-16 | International Business Machines Corporation | Porous silicon composite structure as large filtration array |
-
2007
- 2007-04-17 US US12/226,494 patent/US20090105096A1/en not_active Abandoned
- 2007-04-17 WO PCT/JP2007/058309 patent/WO2007123100A1/ja active Application Filing
- 2007-04-17 JP JP2008512108A patent/JPWO2007123100A1/ja active Pending
- 2007-04-17 KR KR1020087024278A patent/KR20090007692A/ko not_active Application Discontinuation
- 2007-04-17 EP EP07741745A patent/EP2017624A1/en not_active Withdrawn
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04158779A (ja) | 1990-10-19 | 1992-06-01 | Marubishi Baioenji:Kk | 菌体等培養装置に於ける蓋状除菌フイルター並びに該フイルターを用いた菌体等培養装置 |
JPH10257887A (ja) * | 1996-09-30 | 1998-09-29 | Dainippon Printing Co Ltd | 遺伝子解析装置および方法 |
JP2001520394A (ja) * | 1997-10-22 | 2001-10-30 | セーフティ アソシエイツ インコーポレイテッド | 種々の基質中の被検体を決定するための方法および装置 |
JP2002528265A (ja) * | 1998-10-29 | 2002-09-03 | ピーイー コーポレイション (エヌワイ) | マルチウェルマイクロ濾過装置 |
JP2004532099A (ja) * | 2001-03-08 | 2004-10-21 | エクセリクシス・インコーポレイテッド | 多ウェル装置 |
JP2004534943A (ja) * | 2001-05-31 | 2004-11-18 | ポール コーポレイション | 流体処理用のウェル |
JP2006505278A (ja) | 2002-11-07 | 2006-02-16 | コーニング・インコーポレーテッド | 細胞などの対象物の標識フリー検出を可能にする多層凹状体組込み装置 |
JP2004354376A (ja) * | 2003-05-13 | 2004-12-16 | Becton Dickinson & Co | 生物的または化学的試料の処理方法および装置 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009222709A (ja) * | 2008-02-21 | 2009-10-01 | Bruker Biospin Ag | 複数の試料容器、特にnmr試料管を用意するための試料枠 |
JP2013533491A (ja) * | 2010-07-27 | 2013-08-22 | インスプヘロ アーゲー | コンプライアントマルチウェルプレート |
JP2013165705A (ja) * | 2012-01-20 | 2013-08-29 | Sumitomo Bakelite Co Ltd | 処理具 |
JP2014069149A (ja) * | 2012-09-28 | 2014-04-21 | Sumitomo Bakelite Co Ltd | スペーサおよび処理装置 |
JP2015188314A (ja) * | 2014-03-27 | 2015-11-02 | 日立化成株式会社 | 細胞捕捉金属フィルタ、細胞捕捉金属フィルタシート、細胞捕捉デバイス、細胞捕捉金属フィルタの製造方法、及び、細胞捕捉金属フィルタシートの製造方法 |
WO2024057703A1 (ja) * | 2022-09-12 | 2024-03-21 | シーエステック株式会社 | マイクロプレート用フィルタプレート |
JP7461097B1 (ja) | 2022-09-12 | 2024-04-03 | シーエステック株式会社 | マイクロプレート用フィルタプレート |
Also Published As
Publication number | Publication date |
---|---|
US20090105096A1 (en) | 2009-04-23 |
JPWO2007123100A1 (ja) | 2009-09-03 |
EP2017624A1 (en) | 2009-01-21 |
KR20090007692A (ko) | 2009-01-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2007123100A1 (ja) | フィルター付きマイクロプレート | |
US8343438B1 (en) | Ergonomic pipette tip and adapters | |
EP0403679B1 (en) | Multi-well filtration test apparatus | |
US7785466B1 (en) | Membrane filtered pipette tip | |
EP2574326B1 (en) | Filter vial having a tubular piston a retainer cup and a filter | |
US6811752B2 (en) | Device having microchambers and microfluidics | |
US20130203089A1 (en) | Filtered Adapter for Pipettors | |
WO1996021851A2 (en) | Biological analysis device having improved contamination prevention | |
JP7161492B2 (ja) | チップセット | |
BR112020003539A2 (pt) | conjunto de filtração e método para teste microbiológico | |
US7618592B2 (en) | Detachable engageable microarray plate liner | |
EP2631011B1 (en) | Closure with septum strip | |
KR101955330B1 (ko) | 핵산 분석용 반응 시약 공급 장치 | |
JP2002506385A (ja) | マルチウェルプレートの容積アダプタ | |
CN111686827A (zh) | 用于从容器中过滤样品的系统和方法 | |
US20220023777A1 (en) | Filter-attached cartridge | |
CN101421627A (zh) | 带过滤器的微板 | |
US20200188906A1 (en) | Container for a filtration assembly | |
US20220401958A1 (en) | Fluid container cover | |
JP2011209084A (ja) | マイクロプレート |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 07741745 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2008512108 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020087024278 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 200780013764.2 Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 12226494 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2007741745 Country of ref document: EP |