Collection device for biological samples and methods of use
First Claim
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1. An apparatus for isolating an analyte from a blood sample, the apparatus comprising:
- a separation member for receiving a portion of the blood sample, the separation member comprising a filter that selectively retains cellular components contained within the portion of the blood sample and delivers non-cellular components of the portion of the blood sample containing the analyte;
a wicking bridge fluidly connected to the separation member such that the wicking bridge can receive the non-cellular components of the portion of the blood sample containing the analyte from the separation member, the wicking bridge comprising a strip of porous material for transporting the non-cellular components of the portion of the blood sample containing the analyte away from the separation member; and
a quantitative collection member fluidly connected to the wicking bridge such that the quantitative collection member can receive the non-cellular components of the portion of the blood sample containing the analyte from the wicking bridge, the quantitative collection member being substantially free of any reactants for analyzing the analyte and comprising a swatch of material that is adapted for absorbing and retaining a specific quantity of the non-cellular components of the portion of the blood sample containing the analyte.
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Abstract
A device for remote-site biological sample collection for laboratory analysis is described. The device can be made in several configurations which all include separate members for collecting and separating the biological sample into its desired components which are detected or measured. Methods of use for the device are also described.
119 Citations
39 Claims
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1. An apparatus for isolating an analyte from a blood sample, the apparatus comprising:
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a separation member for receiving a portion of the blood sample, the separation member comprising a filter that selectively retains cellular components contained within the portion of the blood sample and delivers non-cellular components of the portion of the blood sample containing the analyte;
a wicking bridge fluidly connected to the separation member such that the wicking bridge can receive the non-cellular components of the portion of the blood sample containing the analyte from the separation member, the wicking bridge comprising a strip of porous material for transporting the non-cellular components of the portion of the blood sample containing the analyte away from the separation member; and
a quantitative collection member fluidly connected to the wicking bridge such that the quantitative collection member can receive the non-cellular components of the portion of the blood sample containing the analyte from the wicking bridge, the quantitative collection member being substantially free of any reactants for analyzing the analyte and comprising a swatch of material that is adapted for absorbing and retaining a specific quantity of the non-cellular components of the portion of the blood sample containing the analyte. - 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)
the application member comprises polyester impregnated with at least one protein that reduces adsorption of components of blood sample to the application member and at least one agglutinin; the separation member comprises a layer of glass fiber filter material and a layer of polyester track-etched membrane;
the wicking bridge comprises a fibrous polyester matrix; and
the quantitative collection member comprises a layer of nylon and a layer of glass fiber filter material.
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34. An apparatus for isolating an analyte from a blood sample, the apparatus comprising:
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a capillary tube for quantitatively aspirating a specific volume of the blood sample and delivering a specific volume of a portion of the blood sample to the separation member;
a separation member fluidly connected to the capillary tube such that the separation member can receive the specific volume of the portion of the blood sample from the capillary tube, the separation member comprising a filter that selectively retains cellular components of the portion of the blood sample and delivers non-cellular components of the portion of the blood sample containing the analyte;
a wicking bridge fluidly connected to the separation member such that the wicking bridge can receive the non-cellular components of the portion of the blood sample containing the analyte from the separation member, the wicking bridge comprising a strip of porous material for transporting the non-cellular components of the portion of the blood sample containing the analyte away from the separation member; and
a quantitative collection member fluidly connected to the wicking bridge such that the quantitative collection member can receive the non-cellular components of the portion of the blood sample containing the analyte from the wicking bridge, the quantitative collection member being substantially free of any reactants for analyzing the analyte and comprising a swatch of material that is adapted for absorbing and retaining a specific quantity of the non-cellular components of the portion of the blood sample containing the analyte.
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35. A kit for isolating an analyte from a sample of blood, the kit comprising:
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an apparatus comprising a separation member for receiving a predetermined volume of the blood sample, the separation member comprising a filter that selectively retains cellular components of the portion of the blood sample and delivers non-cellular components of the portion of the blood sample containing the analyte;
a wicking bridge fluidly connected to the separation member such that the wicking bridge can receive the non-cellular components of the portion of the blood sample containing the analyte from the separation member, the wicking bridge comprising a strip of porous material for transporting the non-cellular components of the portion of the blood sample containing the analyte away from the separation member; and
a quantitative collection member fluidly connected to the wicking bridge such that the quantitative collection member can receive the non-cellular components of the portion of the blood sample containing the analyte from the wicking bridge, the quantitative collection member being substantially free of any reactants for analyzing the analyte and comprising a swatch of material that is adapted for absorbing and retaining a specific quantity of the non-cellular components of the portion of the blood sample containing the analyte; and
a quantitative fluid dispenser for delivering the predetermined volume of the sample of the blood to the separation membrane. - View Dependent Claims (36, 37)
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38. A kit for isolating an analyte from a blood sample, the kit comprising:
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an apparatus comprising a separation member for receiving an aliquot of the blood sample, the separation member comprising a filter that selectively retains cellular components of the portion of the blood sample and delivers non-cellular components of the portion of the blood sample containing the analyte;
a wicking bridge fluidly connected to the separation member such that the wicking bridge can receive the non-cellular components of the portion of the blood sample containing the analyte from the separation member, the wicking bridge comprising a strip of porous material for transporting the non-cellular components of the portion of the blood sample containing the analyte away from the separation member; and
a quantitative collection member fluidly connected to the wicking bridge such that the quantitative collection member can receive the non-cellular components of the portion of the blood sample containing the analyte from the wicking bridge, the quantitative collection member being substantially free of any reactants for analyzing the analyte and comprising a swatch of material that is adapted for absorbing and retaining a specific quantity of the non-cellular components of the portion of the blood sample containing the analyte; and
a lancet; and
an antiseptic. - View Dependent Claims (39)
instructions for using the kit; and
a bar-coded identification card.
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Specification