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. A system for obtaining a bodily-fluid sample from a patient, the system comprising:
a sample reservoir; and
a transfer device including (i) a distribution member defining a pre-sample reservoir and a fluid flow path in fluid communication with an outlet and (ii) a flow controller in fluid communication with the distribution member, the transfer device configured such that:
the flow controller in a first state is configured to transfer a pre-sample volume of bodily-fluid from the patient to the pre-sample reservoir,
the flow controller in a second state is configured to transfer a volume of bodily-fluid to the 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 state to the second state after the pre-sample volume of bodily-fluid is transferred into the pre-sample reservoir, and
the distribution member is 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, and
wherein the transfer device further includes a flow metering mechanism in fluid communication with the fluid flow path and configured to (i) meter a flow of the sample volume of bodily-fluid from the fluid flow path to the sample reservoir and (ii) display a volumetric indicator associated with the sample volume of bodily-fluid transferred to the sample reservoir.
2. The system of claim 1 , 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 mostly free from dermally-residing contaminants.
3. The system of claim 1 , 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, the transfer device configured such that:
the flow controller in a third state is configured 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 state to the third state after the first volume of bodily-fluid is transferred to the first sample reservoir.
4. The system of claim 3 , wherein the sample reservoir is a first sample reservoir, the system further comprising:
a second sample reservoir, the transfer device configured such that the distribution member is 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.
5. A system for obtaining a bodily-fluid sample from a patient, the 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 and a flow controller in fluid communication with the distribution member, the transfer device configured such that:
the flow controller in a first state is configured to transfer a pre-sample volume of bodily-fluid from the patient to a pre-sample reservoir contained in the distribution member,
the flow controller in a second state is configured 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 state to the second state after the pre-sample volume of bodily-fluid is transferred into the pre-sample reservoir, and
the distribution member is 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,
wherein the transfer device further includes a plurality of flow metering mechanisms in fluid communication with the fluid flow path, each flow metering mechanism configured to (i) meter a flow of the sample volume of bodily-fluid from the fluid flow path to a different sample reservoir from the plurality of sample reservoirs and (ii) display a volumetric indicator associated with the sample volume of bodily-fluid.
6. The system of claim 5 , 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 mostly substantially free from dermally-residing contaminants.
7. The system of claim 5 , 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.
8. The system of claim 5 , wherein the transfer device further includes a plurality of movable members, the transfer device configured such that 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.
9. The system of claim 8 , wherein each sample reservoir from the plurality of sample reservoirs is fluidically isolated from the fluid flow path when the corresponding movable member 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.
10. The system of claim 5 , wherein the distribution member defines at least a portion of the pre-sample reservoir.
11. A system for obtaining multiple bodily-fluid samples from a patient, the system comprising:
a fluid transfer device having a pre-sample reservoir and a distribution member disposed in a housing thereof, the fluid transfer device configured to transfer a pre-sample volume of bodily-fluid from an inlet to the pre-sample reservoir while the fluid transfer device is in a first state, the fluid transfer device configured to be transitioned from the first state to a second state after the pre-sample volume of bodily-fluid is transferred to the pre-sample reservoir to sequester the pre-sample volume in the pre-sample reservoir and to allow a flow of bodily fluid from the inlet into the distribution member; and
a plurality of sample reservoirs arranged as a pre-packaged set of sample reservoirs, the pre-packaged set of sample reservoirs configured to be coupled to the distribution member of the fluid transfer device such that a sample volume of the bodily fluid disposed in the distribution member is allowed to flow into each sample reservoir concurrently as a result of coupling the pre-packaged set of sample reservoirs to the distribution member,
wherein the transfer device further includes a plurality of flow metering mechanisms, each flow metering mechanism configured to (i) meter a flow of the sample volume of bodily-fluid from the distribution member to a different sample reservoir from the plurality of sample reservoirs and (ii) display a volumetric indicator associated with the sample volume of bodily-fluid.
12. The system of claim 11 , wherein the pre-sample volume of bodily-fluid in the pre-sample reservoir includes dermally-residing contaminants and the sample volume of bodily-fluid transferred to the pre-packaged set of sample reservoirs is mostly free from dermally-residing contaminants.
13. The system of claim 11 , 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.
14. The system of claim 11 , wherein the distribution member defines a fluid flow path that is fluidically isolated from the pre-sample reservoir, the fluid flow path configured to receive a volume of bodily fluid when the distribution member is in the second state.
15. The system of claim 14 , wherein the distribution member includes a plurality of outlets in fluid communication with the fluid flow path and fluidically isolated from the pre-sample reservoir, each outlet from the plurality of outlets is configured to be fluidically coupled to a different sample reservoir from the plurality of sample reservoirs.
16. The system of claim 11 , wherein the distribution member defines at least a portion of the pre-sample reservoir.
17. The system of claim 11 , wherein the fluid transfer device includes a flow controller that is fluidically coupleable to the patient.
18. The system of claim 17 , wherein the flow controller is configured to be moved relative to the distribution member to transition the fluid transfer device from the first state to the second state.