Sterile bodily-fluid collection device and methods
An apparatus includes a pre-sample reservoir, a diversion mechanism, and a flow metering mechanism. The diversion mechanism has an inlet port couplable to a lumen-defining device to receive bodily-fluids from a patient, a first outlet port fluidically couplable to the pre-sample reservoir, and a second outlet port fluidically couplable to a sample reservoir. The diversion mechanism defines a first fluid flow path and a second flow path that are configured to place the first outlet port and the second outlet port, respectively, in fluid communication with the inlet port. The flow metering mechanism is configured to meter a flow of a predetermined volume of bodily-fluid through the first fluid flow path into the pre-sample reservoir, to meter a flow of a second volume of bodily-fluid through the second fluid flow path into the sample reservoir, and to display a volumetric indicator associated with the predetermined volume and the second volume.
1 . An apparatus, comprising:
a distribution member forming at least a portion of a pre-sample reservoir and defining a first fluid flow path in fluid communication with a first outlet and a second fluid flow path in fluid communication with a second outlet; and
a flow controller in fluid communication with the distribution member, the flow controller having:
a first configuration to transfer a pre-sample volume of bodily-fluid from a patient to the pre-sample reservoir,
a second configuration to transfer a first volume of bodily-fluid to the first fluid flow path while bypassing the pre-sample volume of bodily-fluid contained in the pre-sample reservoir, and
a third configuration to transfer a second volume of bodily-fluid to the second fluid flow path while bypassing the pre-sample volume of bodily-fluid contained in the pre-sample reservoir,
the flow controller configured to transition from the first configuration to one of the second configuration or the third configuration after the pre-sample volume of bodily-fluid is transferred into the pre-sample reservoir, wherein the pre-sample volume of bodily-fluid in the pre-sample reservoir includes dermally-residing contaminants and the first volume of bodily-fluid and the second volume of bodily-fluid transferred to the first fluid flow path and second fluid flow path, respectively, are substantially free from dermally-residing contaminants, and
the distribution member configured to be coupled to at least one of a first sample reservoir after the first volume of bodily-fluid is transferred into the first fluid flow path or a second sample reservoir after the second volume of bodily-fluid is transferred into the second fluid flow path such that:
when the distribution member is coupled to the first sample reservoir, the first outlet places the first fluid flow path in fluid communication with the first sample reservoir to transfer a first sample volume of bodily-fluid into the first sample reservoir, and
when the distribution member is coupled to the second sample reservoir the second outlet places the second fluid flow path in fluid communication with the second sample reservoir to transfer a second sample volume of bodily-fluid into the second sample reservoir.
2 . The apparatus of claim 1 , further comprising:
a flow meter configured to meter a flow of bodily-fluid into or out of the distribution member.
3 . The apparatus of claim 1 , further comprising:
a first movable member coupled to the distribution member and configured to be moved through the first outlet to place the first fluid flow path in fluid communication with the first sample reservoir; and
a second movable member coupled to the distribution member and configured to be moved through the second outlet to place the second fluid flow path in fluid communication with the second sample reservoir.
4 . The apparatus of claim 3 , wherein the first movable member includes a first flow meter and the second movable member includes a second flow meter, the first flow meter configured to meter a flow of the first sample volume from the first fluid flow path to the first sample reservoir via the first movable member, the second flow meter flow metering mechanism configured to meter a flow of the second sample volume from the second fluid flow path to the second sample reservoir via the second movable member.
5 . The apparatus of claim 1 wherein the flow controller includes an inlet port, the inlet port configured to be coupled to a needle for receiving bodily-fluids from the patient.
6 . The apparatus of claim 5 , wherein the first fluid flow path is in fluid communication with the inlet port when the flow controller is in the second configuration and the second fluid flow path is in fluid communication with the inlet port when the flow controller is in the third configuration.
7 . The apparatus of claim 1 , wherein the first sample volume of bodily-fluid is between 0.1 milliliters and 10 milliliters.
8 . The apparatus of claim 1 , wherein the second sample volume of bodily-fluid is between 2.5 milliliters and 60 milliliters.
9 . A system, comprising:
a sample reservoir;
a transfer device including:
a distribution member defining a pre-sample reservoir and a fluid flow path in fluid communication with an outlet; and
a flow controller in fluid communication with the distribution member, the flow controller having:
a first configuration to transfer a pre-sample volume of bodily-fluid from a patient to the pre-sample reservoir, and
a second configuration to transfer a volume of bodily-fluid to first fluid flow path while bypassing the pre-sample volume of bodily-fluid contained in the pre-sample reservoir, the flow controller configured to transition from the first configuration to the second configuration after the pre-sample volume of bodily-fluid is transferred into the pre-sample reservoir, wherein the pre-sample volume of bodily-fluid in the pre-sample reservoir includes dermally-residing contaminants and the volume of bodily-fluid transferred to the fluid flow path is substantially free from dermally-residing contaminants,
the distribution member configured to be coupled to the sample reservoir after the volume of bodily-fluid is transferred to the fluid flow path such that the outlet places the fluid flow path in fluid communication with the sample reservoir to transfer a sample volume of bodily-fluid into the sample reservoir.
10 . The system of claim 9 , wherein the transfer device further includes a flow meter in fluid communication with the fluid flow path, the flow meter configured to meter a flow of the sample volume of bodily-fluid from the fluid flow path to the sample reservoir.
11 . The system of claim 10 , wherein the flow meter is configured to display a volumetric indicator associated with the sample volume of bodily-fluid transferred to the sample reservoir.
12 . The system of claim 9 , wherein the fluid flow path is a first fluid flow path, the outlet is a first outlet, and the volume of bodily-fluid transferred to the first fluid flow path is a first volume of bodily-fluid, the distribution member defines a second fluid flow path in fluid communication with a second outlet, and
the flow controller has a third configuration to transfer a second volume of bodily-fluid to the second fluid flow path while bypassing the pre-sample volume of bodily-fluid contained in the pre-sample reservoir, the flow controller is configured to transition from the second configuration to the third configuration after the first volume of bodily-fluid is transferred to the sample reservoir.
13 . The system of claim 12 , wherein the sample reservoir is a first sample reservoir, the system further comprising:
a second sample reservoir, the distribution member configured to be coupled to the second sample reservoir after the second volume of bodily-fluid is transferred to the second fluid flow path such that the second outlet places the second fluid flow path in fluid communication with the second sample reservoir to transfer a sample volume of bodily-fluid into the second sample reservoir.
14 . A system, comprising:
a plurality of sample reservoirs; and
a transfer device including:
a distribution member defining a fluid flow path in fluid communication with a plurality of outlets,
a flow controller in fluid communication with the distribution member, the flow controller having:
a first configuration to transfer a pre-sample volume of bodily-fluid from a patient to a pre-sample reservoir contained in the distribution member, and
a second configuration to transfer a volume of bodily-fluid to the fluid flow path while bypassing the pre-sample volume of bodily fluid in the pre-sample reservoir, the flow controller configured to transition from the first configuration to the second configuration after the pre-sample volume of bodily-fluid is transferred into the pre-sample reservoir, wherein the pre-sample volume of bodily-fluid in the pre-sample reservoir includes dermally-residing contaminants and the volume of bodily-fluid transferred to the fluid flow path is substantially free from dermally-residing contaminants,
the distribution member configured to be coupled to the plurality of sample reservoirs after the volume of bodily-fluid is transferred to the fluid flow path such that each outlet from the plurality of outlets establishes fluid communication with a different sample reservoir from the plurality of sample reservoirs to allow a sample volume of bodily-fluid to be transferred from the fluid flow path into each sample reservoir from the plurality of sample reservoirs.
15 . The system of claim 14 , wherein the distribution member is coupled to the plurality of sample reservoirs via at least one of a resistance fit, a mechanical fastener, one or more mating recesses, or a threaded coupling.
16 . The system of claim 14 , wherein the transfer device further includes a plurality of movable members, each movable member from the plurality of movable members is movably coupled to a different outlet from the plurality of outlets and configured to be moved through the outlet from a first position to a second position to place the fluid flow path in fluid communication with the sample reservoir coupled to the corresponding outlet.
17 . The system of claim 16 , wherein each sample reservoir from the plurality of sample reservoirs is fluidically isolated from the fluid flow path when a corresponding movable member from the plurality of movable members is in the first position and is in fluid communication with the fluid flow path when the corresponding movable member is in the second position.