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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0160186 (2016-05-20) |
| 등록번호 | US-10234474 (2019-03-19) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 0 인용 특허 : 720 |
The technology described herein generally relates to systems for extracting polynucleotides from multiple samples, particularly from biological samples, and additionally to systems that subsequently amplify and detect the extracted polynucleotides. The technology more particularly relates to microfl
The technology described herein generally relates to systems for extracting polynucleotides from multiple samples, particularly from biological samples, and additionally to systems that subsequently amplify and detect the extracted polynucleotides. The technology more particularly relates to microfluidic systems that carry out PCR on multiple samples of nucleotides of interest within microfluidic channels, and detect those nucleotides. The technology still more particularly relates to automated devices for carrying out pipetting operations, particularly on samples in parallel, consistent with sample preparation and delivery of PCR-ready nucleotide extracts to a cartridge wherein PCR is run.
1. A liquid dispenser comprising: a plurality of dispense heads, each dispense head having one pipette tip connection configured to accept one pipette tip extending along a vertical direction when mounted;a plurality of independently controllable valves, wherein each of the plurality of independentl
1. A liquid dispenser comprising: a plurality of dispense heads, each dispense head having one pipette tip connection configured to accept one pipette tip extending along a vertical direction when mounted;a plurality of independently controllable valves, wherein each of the plurality of independently controllable valves is configured to be individually regulated to selectably divert gas from one or more pumps to one of the plurality of dispense heads;an air handler comprising: a mount fixed in relation to the plurality of dispense heads,a manifold configured to connect to the one or more pumps, wherein the manifold comprises an air-line which splits into one or more lines within the manifold, each line to service a separate dispense head of the plurality of dispense heads, andan independently controllable valve of the plurality of independently controllable valves; andwherein the plurality of dispense heads are movable relative to the air handler in a vertical direction. 2. The liquid dispenser of claim 1, wherein the liquid dispenser has three or more dispense heads. 3. The liquid dispenser of claim 1, further comprising a sensor that senses interruption in vertical direction motion of one of the plurality of dispense heads. 4. The liquid dispenser of claim 1, further comprising more than one mount. 5. The liquid dispenser of claim 1, wherein the manifold is configured to divert air to five or more dispense heads. 6. The liquid dispenser of claim 1, wherein a fluid channel connects the manifold and the plurality of dispense heads. 7. The liquid dispenser of claim 1, further comprising a second valve configured to control the operation of one of the plurality of dispense heads including controlling when to reduce pressure in the dispense head, thereby causing a sucking operation, or to increase pressure in the dispense head, thereby causing a dispense operation. 8. The liquid dispenser of claim 7, wherein the second valve is located on a support connected to the dispense head. 9. The liquid dispenser of claim 7, wherein the second valve is spatially separated from the manifold. 10. The liquid dispenser of claim 1, wherein the liquid dispenser is configured to move in three degrees of translational freedom. 11. The liquid dispenser of claim 1, wherein no solution of a sample enters the manifold during normal operation of the liquid dispenser. 12. The liquid dispenser of claim 1, wherein the one or more pumps are directly connected to only the manifold. 13. The liquid dispenser of claim 1, wherein the plurality of independently controllable valves are solenoid valves. 14. A liquid dispenser comprising: a plurality of dispense heads, each dispense head connecting to a removable pipette tip extending along a vertical direction when mounted;a plurality of mounts, wherein a dispense head of the plurality of dispense heads is movably attached via a connecting member to a mount of the plurality of mounts;a motor configured to control the position of the dispense head of the plurality of dispense heads relative to the mount of the plurality of mounts by moving the dispense head in the vertical direction;a plurality of valves, a valve of the plurality of valves associated with the dispense head of the plurality of dispense heads and configured to control the operation of the dispense head of the plurality of dispense heads including controlling when to reduce pressure, thereby causing a sucking operation, or to increase pressure, thereby causing a dispense operation; anda manifold configured to divert air from an air source to the plurality of valves, each valve of the plurality of valves in fluid communication with the manifold, wherein the manifold comprises an air-line which splits into one or more lines within the manifold, each line to service a separate dispense head of the plurality of dispense heads. 15. The liquid dispenser of claim 14, wherein the liquid dispenser has three or more dispense heads. 16. The liquid dispenser of claim 14, further comprising a sensor that senses interruption in vertical direction motion of the dispense head of the plurality of dispense heads. 17. The liquid dispenser of claim 14, wherein a fluid channel connects the manifold and the dispense head of the plurality of dispense heads. 18. The liquid dispenser of claim 14, wherein the valve is located on a support connected to the dispense head of the plurality of dispense heads. 19. The liquid dispenser of claim 14, wherein the valve is spatially separated from the manifold. 20. The liquid dispenser of claim 14, wherein no solution of a sample enters the manifold during normal operation of the liquid dispenser.
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