Granted Patent
B2
US 12,257,051 · App. 18/317,558 · Granted Mar 25, 2025
Blood contaminant sequestration device with one-way air valve and air-permeable blood barrier with closure mechanism
Inventors:
Bobby E. Rogers (San Diego, CA); Gino Kang (Irvine, CA); David Karl Stroup (San Diego, CA); Jonas Dean Cochran (Santee, CA); Arthur Deptala (Santee, CA); John Detloff (San Diego, CA); Lonnie Pogue (San Diego, CA); Brian Macowski (San Diego, CA)
Assignee:
Kurin, Inc.
A61B5/150213A61B5/15003A61B5/150221A61B5/150251A61B5/150732A61B5/15074A61B5/150992A61B5/153A61B5/150389A61B5/150503
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Abstract
Blood sample optimization systems and methods are described that reduce or eliminate contaminates in collected blood samples, which in turn reduces or eliminates false positive readings in blood cultures or other testing of collected blood samples. A blood sample optimization system can include a blood sequestration device located between a patient needle and a sample needle. The blood sequestration device can include a sequestration chamber for sequestering an initial, potentially contaminated aliquot of blood, and may further include a sampling channel that bypasses the sequestration chamber to convey likely uncontaminated blood between the patient needle and the sample needle after the initial aliquot of blood is sequestered in the sequestration chamber.
Claims (12)
1. A device comprising:
an inlet port;
an outlet port;
a chamber connected with the inlet port, the chamber having a vent configured to allow air to be displaced through an air permeable blood barrier by a first portion of blood entering the inlet port and into the chamber;
a cap configured to inhibit a user from touching the air permeable blood barrier;
a sampling channel having a proximal end connected with the inlet port and a distal end connected with the outlet port, the sampling channel being configured to convey subsequent portions of blood past the chamber and to the outlet port after the first portion of blood has entered the chamber; and
a housing that houses and defines the inlet port, the outlet port, the chamber, and the sampling channel.
2. The device in accordance with claim 1 , wherein the vent further includes a wall that at least partially surrounds the air permeable blood barrier, and wherein the cap at least partially covers the wall.
3. The device in accordance with claim 2 , wherein the device includes a seal that fits within the wall to cover the air permeable blood barrier and inhibit air from entering the chamber through the air permeable blood barrier.
4. The device in accordance with claim 3 , wherein the seal is a silicone wafer.
5. The device in accordance with claim 1 , wherein the cap is constructed to inhibit accidental exposure of the air permeable blood barrier to environmental fluids or splashes.
6. The device in accordance with claim 5 , wherein the cap includes a hydrophobic membrane.
Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Oct 9, 2024
From: ROGERS, BOBBY E.; KANG, GINO; STROUP, DAVID KARL; COCHRAN, JONAS DEAN; DEPTALA, ARTHUR; DETLOFF, JOHN; POGUE, LONNIE; MACOWSKI, BRIAN; GARRETT, CHAD
To: KURIN, INC.
Reel/Frame 068854/0738 →
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Oct 10, 2023
From: ROGERS, BOBBY E.; KANG, GINO; STROUP, DAVID KARL; COCHRAN, JONAS DEAN; DEPTALA, ARTHUR; DETLOFF, JOHN; POGUE, LONNIE; MACOWSKI, BRIAN
To: KURIN, INC.
Reel/Frame 065174/0406 →
Continuity (5)
Provisional Application
62467016
· Mar 3, 2017
Provisional Application
62457764
· Feb 10, 2017
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