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, wherein the capillary channel comprises a cavity defined 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
an interface assembly comprising;
a third layer comprising an adhesive material, a fourth layer comprising a hydrophilic material, a fifth layer comprising a patterned adhesive material, and a flow path, wherein the third layer is disposed on the fourth layer and the fourth layer is disposed on the fifth layer;
wherein the interface assembly is disposed on an outer surface of the capillary, such that the capillary is in contact with the third layer of the interface assembly and the outlet is aligned the flow path of the interface assembly for transferring the sample fluid out of the integrated device, andwherein the capillary channel has a channel width, the inlet has a first diameter and the outlet has a second diameter, and channel width is greater than the second diameter.
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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 an interface assembly comprising: a third layer, a fourth layer, a fifth layer, and a flow path. The interface assembly 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 of the interface assembly and the outlet is in contact with the flow path of the interface assembly for driving out the sample fluid from the integrated device.
15 Citations
30 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, wherein the capillary channel comprises a cavity defined 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; andan interface assembly comprising;
a third layer comprising an adhesive material, a fourth layer comprising a hydrophilic material, a fifth layer comprising a patterned adhesive material, and a flow path, wherein the third layer is disposed on the fourth layer and the fourth layer is disposed on the fifth layer;wherein the interface assembly is disposed on an outer surface of the capillary, such that the capillary is in contact with the third layer of the interface assembly and the outlet is aligned the flow path of the interface assembly for transferring the sample fluid out of the integrated device, and wherein the capillary channel has a channel width, the inlet has a first diameter and the outlet has a second diameter, and channel width is greater than the second diameter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. 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 defined in the middle layer disposed between the first layer and the second layer of the capillary; and
an outlet connected to the capillary channel; andan interface assembly comprising;
a third layer comprising an adhesive material, a fourth layer comprising a hydrophilic material, a fifth layer comprising a patterned adhesive material and a flow path, wherein the third layer is disposed on the fourth layer and the fourth layer is disposed on the fifth layer;wherein the interface assembly is disposed on an outer surface of the capillary, such that the capillary channel is in connection with the flow path of the interface assembly; wherein the integrated device is operatively coupled to the substrate such that the substrate is in contact with the interface assembly for transferring the sample fluid from the integrated device 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 channel width is greater than the second diameter. - View Dependent Claims (23, 24)
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25. A method for sample collection and transfer, comprising:
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providing an integrated device, wherein the 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 defined 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; andan interface assembly comprising;
a third layer comprising an adhesive material, a fourth layer comprising a hydrophilic material, a fifth layer comprising a patterned adhesive material, and a flow path, wherein the third layer is disposed on the fourth layer and the fourth layer is disposed on the fifth layer;
wherein the interface assembly is disposed on an outer surface of the capillary, such that the capillary channel is in connection with the flow path of the interface assembly;wherein the capillary channel has a channel width, the inlet has a first diameter and the outlet has a second diameter, and channel width is greater than the second diameter; 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 interface assembly. - View Dependent Claims (26, 27, 28, 29)
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30. A method for sample collection and transfer, comprising:
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providing an integrated device, wherein the 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 defined in the middle layer disposed between the first layer and the second layer of the capillary; and
an outlet for driving out the fluid sample; andan interface assembly comprising;
a third layer comprising an adhesive material, a fourth layer comprising a hydrophilic material, a fifth layer comprising a patterned adhesive material, and a flow path, wherein the third layer is disposed on the fourth layer and the fourth layer is disposed on the fifth layer;
wherein the interface assembly is disposed on an outer surface of the capillary, such that the capillary channel is in connection with the flow path of the interface assembly;wherein the capillary channel has a channel width, the inlet has a first diameter and the outlet has a second diameter, and channel width is greater than the second diameter; contacting the device to the 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 interface assembly; and analyzing a portion of the substrate comprising the fluid sample transferred from the device.
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Specification