CA1217919A - Apparatus and method for obtaining reproducible liquid samples of small volume - Google Patents
Apparatus and method for obtaining reproducible liquid samples of small volumeInfo
- Publication number
- CA1217919A CA1217919A CA000437083A CA437083A CA1217919A CA 1217919 A CA1217919 A CA 1217919A CA 000437083 A CA000437083 A CA 000437083A CA 437083 A CA437083 A CA 437083A CA 1217919 A CA1217919 A CA 1217919A
- Authority
- CA
- Canada
- Prior art keywords
- petter
- sample
- tube
- closed lower
- open upper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 130
- 238000000034 method Methods 0.000 title abstract description 22
- 238000012360 testing method Methods 0.000 claims abstract description 141
- 239000012530 fluid Substances 0.000 claims abstract description 105
- 238000004891 communication Methods 0.000 claims abstract description 28
- 230000006854 communication Effects 0.000 claims abstract description 28
- 230000006872 improvement Effects 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 14
- 239000004033 plastic Substances 0.000 claims description 12
- 229920003023 plastic Polymers 0.000 claims description 12
- 238000003780 insertion Methods 0.000 claims 3
- 230000037431 insertion Effects 0.000 claims 3
- 239000004576 sand Substances 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract description 11
- 238000007789 sealing Methods 0.000 abstract description 11
- 239000007791 liquid phase Substances 0.000 abstract description 4
- -1 e.g. Substances 0.000 abstract description 2
- 239000000725 suspension Substances 0.000 abstract 1
- 210000002700 urine Anatomy 0.000 description 15
- 239000007787 solid Substances 0.000 description 13
- 239000002699 waste material Substances 0.000 description 9
- 238000004458 analytical method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000013049 sediment Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000002562 urinalysis Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 3
- 230000000994 depressogenic effect Effects 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 241000238634 Libellulidae Species 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000007431 microscopic evaluation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000002966 serum Anatomy 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 206010011224 Cough Diseases 0.000 description 1
- 235000017858 Laurus nobilis Nutrition 0.000 description 1
- 241000238814 Orthoptera Species 0.000 description 1
- 241000644027 Perideridia lemmonii Species 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 235000005212 Terminalia tomentosa Nutrition 0.000 description 1
- 244000125380 Terminalia tomentosa Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000004159 blood analysis Methods 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000007705 chemical test Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002405 diagnostic procedure Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 210000002919 epithelial cell Anatomy 0.000 description 1
- 210000003743 erythrocyte Anatomy 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011005 laboratory method Methods 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
Classifications
-
- 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
- B01L3/02—Burettes; Pipettes
- B01L3/021—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
- B01L3/0213—Accessories for glass pipettes; Gun-type pipettes, e.g. safety devices, pumps
-
- 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
- B01L3/02—Burettes; Pipettes
- B01L3/021—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
Landscapes
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US42027182A | 1982-09-20 | 1982-09-20 | |
| US420,271 | 1982-09-20 | ||
| US51555583A | 1983-07-19 | 1983-07-19 | |
| US515,555 | 1983-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1217919A true CA1217919A (en) | 1987-02-17 |
Family
ID=27024795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000437083A Expired CA1217919A (en) | 1982-09-20 | 1983-09-20 | Apparatus and method for obtaining reproducible liquid samples of small volume |
Country Status (7)
| Country | Link |
|---|---|
| AU (1) | AU568603B2 (enrdf_load_stackoverflow) |
| BE (1) | BE897779A (enrdf_load_stackoverflow) |
| CA (1) | CA1217919A (enrdf_load_stackoverflow) |
| DE (1) | DE3333629A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2533315B1 (enrdf_load_stackoverflow) |
| GB (1) | GB2127542B (enrdf_load_stackoverflow) |
| IT (1) | IT1170505B (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2302029A1 (en) | 2009-09-29 | 2011-03-30 | Fundacion Gaiker | Portable enrichment, aliquoting, and testing device of microorganisms and toxins |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB232252A (en) * | 1924-04-14 | 1925-10-08 | Iwan Arbatsky | Improvements in and relating to devices for delivering liquid in drops |
| GB464573A (en) * | 1935-10-26 | 1937-04-20 | Georg Mayrhofer | Pipette without graduated scale for the automatic delivery of definite quantities of liquid and adapted to be filled by immersion |
| GB562578A (en) * | 1942-10-16 | 1944-07-07 | Thomas Winsmore Langley | Improvements in means for removing a measured quantity of liquid from a tube and particularly a centrifuge tube |
| US3937370A (en) * | 1974-08-14 | 1976-02-10 | Baxter Laboratories, Inc. | Controlled depth aspiration cannula |
| US4022576A (en) * | 1975-06-09 | 1977-05-10 | I. C. L. Scientific | Method and apparatus for preparation of liquids containing suspended material for examination |
| US3963061A (en) * | 1975-09-16 | 1976-06-15 | Drummond Scientific Company | Apparatus for drawing liquids into, and expelling liquids from a pipette |
| US4009611A (en) * | 1976-05-13 | 1977-03-01 | Oxford Laboratories Inc. | Hand-held micropipettor with improved pipette tip ejector |
-
1983
- 1983-09-14 GB GB08324611A patent/GB2127542B/en not_active Expired
- 1983-09-17 DE DE19833333629 patent/DE3333629A1/de active Granted
- 1983-09-19 BE BE0/211549A patent/BE897779A/fr not_active IP Right Cessation
- 1983-09-19 AU AU19218/83A patent/AU568603B2/en not_active Ceased
- 1983-09-19 FR FR8314847A patent/FR2533315B1/fr not_active Expired
- 1983-09-20 IT IT48999/83A patent/IT1170505B/it active
- 1983-09-20 CA CA000437083A patent/CA1217919A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB8324611D0 (en) | 1983-10-19 |
| AU568603B2 (en) | 1988-01-07 |
| FR2533315B1 (fr) | 1987-01-23 |
| IT8348999A0 (it) | 1983-09-20 |
| FR2533315A1 (fr) | 1984-03-23 |
| DE3333629A1 (de) | 1984-03-22 |
| GB2127542B (en) | 1986-05-08 |
| GB2127542A (en) | 1984-04-11 |
| IT1170505B (it) | 1987-06-03 |
| BE897779A (fr) | 1984-01-16 |
| AU1921883A (en) | 1984-03-29 |
| DE3333629C2 (enrdf_load_stackoverflow) | 1993-02-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |