Devices, systems, and methods for sample collection
First Claim
1. A device for collecting and storing blood from a subject, the device comprising:
- a housing comprising a recess having an opening;
a vacuum chamber in the housing, the vacuum chamber having an initial state of a vacuum and configured such that activation of the vacuum causes fluidic communication to be established between the vacuum chamber and the recess to draw skin of the subject into the recess, and the recess serves as a suction cavity for drawing the skin, wherein a volume of the skin enclosed by the recess under vacuum ranges from about 0.4 cm3 to about 4.0 cm3, and a surface area of the skin in contact with the recess ranges from about 3.2 cm2 to about 7.2 cm2, the recess comprising a size or shape configured to enable an increased volume of the blood to be collected under increased capillary pressure differential, the increased volume of the blood being dependent on a volume and/or surface area of the skin that is drawn into the recess;
one or more piercing elements that are extendable through the opening to penetrate the skin of the subject to enable collection of the blood while the skin is drawn into the recess;
a cartridge chamber configured to receive a cartridge that is configured to hold one or more matrices for collecting and storing the blood; and
the cartridge releasably coupled via a cartridge port to an output port in the cartridge chamber.
1 Assignment
0 Petitions
Accused Products
Abstract
Disclosed herein are devices, apparatus, systems, methods and kits for collecting and storing a fluid sample from a subject. A device for collecting the fluid sample can include a housing comprising a recess having an opening, a vacuum chamber in the housing and in fluidic communication with the recess, and one or more piercing elements that are extendable through the opening to penetrate skin of the subject. The vacuum chamber can be configured for having a vacuum that draws the skin into the recess. The recess can be configured having a size or shape that enables an increased volume of the fluid sample to be accumulated in the skin drawn into the recess.
265 Citations
78 Claims
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1. A device for collecting and storing blood from a subject, the device comprising:
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a housing comprising a recess having an opening; a vacuum chamber in the housing, the vacuum chamber having an initial state of a vacuum and configured such that activation of the vacuum causes fluidic communication to be established between the vacuum chamber and the recess to draw skin of the subject into the recess, and the recess serves as a suction cavity for drawing the skin, wherein a volume of the skin enclosed by the recess under vacuum ranges from about 0.4 cm3 to about 4.0 cm3, and a surface area of the skin in contact with the recess ranges from about 3.2 cm2 to about 7.2 cm2, the recess comprising a size or shape configured to enable an increased volume of the blood to be collected under increased capillary pressure differential, the increased volume of the blood being dependent on a volume and/or surface area of the skin that is drawn into the recess; one or more piercing elements that are extendable through the opening to penetrate the skin of the subject to enable collection of the blood while the skin is drawn into the recess; a cartridge chamber configured to receive a cartridge that is configured to hold one or more matrices for collecting and storing the blood; and the cartridge releasably coupled via a cartridge port to an output port in the cartridge chamber. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46)
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47. A device for collecting and storing blood from a subject, the device comprising:
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a housing comprising a recess having an opening; a vacuum chamber in the housing, the vacuum chamber having an initial state of a vacuum and configured such that activation of the vacuum causes fluidic communication to be established between the vacuum chamber and the recess to draw skin of the subject into the recess, and the recess serves as a suction cavity for drawing the skin, wherein a volume of the skin enclosed by the recess under vacuum ranges from about 0.4 cm3 to about 4.0 cm3, and a surface area of the skin in contact with the recess ranges from about 3.2 cm2 to about 7.2 cm2, the recess comprising a size or shape configured to enable an increased volume of the blood to be collected under increased capillary pressure differential, the increased volume of the blood being dependent on a volume and/or surface area of the skin that is drawn into the recess; one or more piercing elements that are extendable through the opening to penetrate the skin of the subject to enable collection of the blood while the skin is drawn into the recess; a cartridge chamber in the housing configured to receive a cartridge; a cartridge comprising a cartridge port releasably coupled to the cartridge chamber, two paper matrices disposed substantially parallel to each other for collecting and storing the blood and separated by one or more spacers to form a channel through which the blood can flow via capillary action and wicking, one or more absorbent pads configured to be in fluidic communication with the one or more matrices and configured to hold excess blood, and a cartridge tab configured to be used by a subject or a user to insert the cartridge in the cartridge chamber or remove the cartridge from the cartridge chamber; a seal that seals the cartridge when the cartridge is in the cartridge chamber; and a window configured to enable a subject or user to monitor a progress of blood collection as the blood flows into and is collected in the cartridge, wherein the window is parallel to a longitudinal axis of the cartridge chamber. - View Dependent Claims (48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78)
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Specification