Sample collection and transfer device
First Claim
1. An integrated device for a sample collection and transfer, comprising:
- a capillary comprising a first layer, a middle layer, and a second layer;
a capillary channel disposed between the first layer and the second layer, wherein the first layer comprises a hydrophilic layer comprising a fluid inlet for receiving a sample fluid to the capillary channel, and wherein the capillary channel comprises a cavity formed in the middle layer disposed between the first layer and the second layer of the capillary; and
an outlet for allowing the sample fluid to flow out of the capillary channel; and
a third layer comprising a flow path extending throughout, wherein the third layer is an adhesive layer disposed on an outer surface of the capillary,wherein the capillary channel has a channel width, the inlet has a first diameter and the outlet has a second diameter, and the first diameter is greater than the capillary width and the channel width is greater than the second diameter of the outlet.
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Accused Products
Abstract
An integrated device for a sample collection and transfer is provided. The integrated device comprises a capillary channel disposed between a first layer and a second layer, wherein the first layer comprises a hydrophilic layer comprising a fluid inlet for receiving a sample fluid to the capillary channel, wherein the capillary channel comprises an inner surface and an outer surface; and an outlet for driving out the sample fluid. The device further comprises a third layer comprising an adhesive material such as a patterned adhesive material, and a flow path, wherein the third layer is disposed on the outer surface of the capillary, at a determining position relative to the outlet, such that the capillary is in contact with the third layer and the outlet is in contact with the flow path of the third layer for allowing the sample fluid out from the integrated device.
22 Citations
32 Claims
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1. An integrated device for a sample collection and transfer, comprising:
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a capillary comprising a first layer, a middle layer, and a second layer; a capillary channel disposed between the first layer and the second layer, wherein the first layer comprises a hydrophilic layer comprising a fluid inlet for receiving a sample fluid to the capillary channel, and wherein the capillary channel comprises a cavity formed in the middle layer disposed between the first layer and the second layer of the capillary; and
an outlet for allowing the sample fluid to flow out of the capillary channel; anda third layer comprising a flow path extending throughout, wherein the third layer is an adhesive layer disposed on an outer surface of the capillary, wherein the capillary channel has a channel width, the inlet has a first diameter and the outlet has a second diameter, and the first diameter is greater than the capillary width and the channel width is greater than the second diameter of the outlet. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 28, 31)
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19. A system, comprising:
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a substrate; and an integrated device comprising; a capillary comprising a first layer, a middle layer, and a second layer; a capillary channel disposed between the first layer and the second layer, wherein the first layer comprises a hydrophilic layer comprising a fluid inlet for receiving a sample fluid to the capillary channel, and wherein the capillary channel comprises a cavity formed in the middle layer disposed between the first layer and the second layer of the capillary; and
an outlet for allowing the sample fluid to flow out of the capillary channel; anda third layer comprising a flow path extending throughout, wherein the third layer is an adhesive layer disposed on an outer surface of the capillary; wherein the integrated device is operatively coupled to the substrate, and wherein the capillary channel has a channel width, the inlet has a first diameter and the outlet has a second diameter, and the first diameter is greater than the capillary width and the channel width is greater than the second diameter of the outlet. - View Dependent Claims (20, 21, 29, 30, 32)
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22. A method for sample collection and transfer, comprising:
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providing an integrated device, wherein the integrated device comprises; a capillary comprising a first layer, a middle layer, and a second layer; a capillary channel disposed between the first layer and the second layer, wherein the first layer comprises a hydrophilic layer comprising a fluid inlet for receiving a fluid sample to the capillary channel, wherein the capillary channel comprises a cavity formed in the middle layer disposed between the first layer and the second layer of the capillary; and
an outlet for allowing the fluid sample to flow out from the capillary channel; anda third layer comprising a flow path, wherein the third layer comprises a pressure sensitive adhesive gasket and disposed on an outer surface of the capillary; contacting the integrated device to a substrate comprising an absorbent material; applying the fluid sample to the fluid inlet of the integrated device, wherein the fluid sample is transported from the inlet to the outlet of the capillary; and transferring the fluid sample from the integrated device to the substrate through the flow path of the third layer; wherein the capillary channel has a channel width, the inlet has a first diameter and the outlet has a second diameter, and the first diameter is greater than the capillary width and the channel width is greater than the second diameter of the outlet. - View Dependent Claims (23, 24, 25, 26, 27)
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Specification