Systems and methods for parenterally procuring bodily-fluid samples with reduced contamination
First Claim
1. A system for parenterally procuring bodily-fluid samples from a patient with minimal contamination, the system comprising:
- a bodily-fluid withdrawing device, the bodily-fluid withdrawing device comprisinga first sterile needle configured and arranged for insertion into the patient, the first sterile needle comprising a first lumen configured and arranged for withdrawing patient bodily fluids and passing the withdrawn bodily fluids through the first lumen, anda second sterile needle fluidically coupleable to the first sterile needle, the second sterile needle comprising a second lumen configured and arranged for passing withdrawn bodily fluids through the second lumen;
a vacuum-sealed pre-sample reservoir fluidically coupleable to the first sterile needle, the vacuum-sealed pre-sample reservoirs configured and arranged for collecting and storing patient bodily fluid withdrawn from the bodily-fluid withdrawing device;
a single diversion mechanism coupled to the first sterile needle, the second sterile needle and the pre-sample reservoir, the diversion mechanism configured to selectively establish fluid communication between the first sterile needle and the pre-sample reservoir and fluidically isolate the second sterile needle in a first configuration, and selectively establish fluid communication between the first sterile needle and the second sterile needle and fluidically isolate the pre-sample reservoir in a second configuration; and
at least one vacuum-sealed sample vessel, each of the at least one vacuum-sealed sample vessels configured and arranged for collecting and storing patient bodily fluid withdrawn from the bodily-fluid withdrawing device, each of the at least one sample vessels containing a culture medium;
wherein the second sterile needle is configured and arranged for insertion into the at least one vacuum-sealed sample vessel.
5 Assignments
0 Petitions
Accused Products
Abstract
The present invention is directed to the parenteral procurement of bodily-fluid samples. The present invention is also directed to systems and methods for parenterally procuring bodily-fluid samples with reduced contamination from dermally-residing microbes. In some embodiments, a bodily-fluid withdrawing system is used to withdraw bodily fluid from a patient for incubation in culture media in one or more sample vessels. Prior to withdrawing bodily fluid into the one or more sample vessels for incubation, an initial volume of withdrawn bodily fluid is placed in one or more pre-sample reservoirs and is not used for the incubation in culture media.
141 Citations
17 Claims
-
1. A system for parenterally procuring bodily-fluid samples from a patient with minimal contamination, the system comprising:
-
a bodily-fluid withdrawing device, the bodily-fluid withdrawing device comprising a first sterile needle configured and arranged for insertion into the patient, the first sterile needle comprising a first lumen configured and arranged for withdrawing patient bodily fluids and passing the withdrawn bodily fluids through the first lumen, and a second sterile needle fluidically coupleable to the first sterile needle, the second sterile needle comprising a second lumen configured and arranged for passing withdrawn bodily fluids through the second lumen; a vacuum-sealed pre-sample reservoir fluidically coupleable to the first sterile needle, the vacuum-sealed pre-sample reservoirs configured and arranged for collecting and storing patient bodily fluid withdrawn from the bodily-fluid withdrawing device; a single diversion mechanism coupled to the first sterile needle, the second sterile needle and the pre-sample reservoir, the diversion mechanism configured to selectively establish fluid communication between the first sterile needle and the pre-sample reservoir and fluidically isolate the second sterile needle in a first configuration, and selectively establish fluid communication between the first sterile needle and the second sterile needle and fluidically isolate the pre-sample reservoir in a second configuration; and at least one vacuum-sealed sample vessel, each of the at least one vacuum-sealed sample vessels configured and arranged for collecting and storing patient bodily fluid withdrawn from the bodily-fluid withdrawing device, each of the at least one sample vessels containing a culture medium; wherein the second sterile needle is configured and arranged for insertion into the at least one vacuum-sealed sample vessel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
-
Specification