Adaptor for sample vial
First Claim
1. A device for sampling a body fluid in a vial, comprising:
- an elongate body sub-assembly comprising a first cylindrical chamber including a wall surrounding a first lumen and at least one hole extending from the first lumen through the wall to the exterior of the elongate body subassembly extending to the atmosphere;
a vent tube comprising a second lumen, a first end, and a second end, the second end of said vent tube in fluid communication with the first lumen of said first cylindrical chamber;
a collection tube comprising a third lumen, a first end, and a second end, said collection tube substantially parallel to and axially disposed in the second lumen of said vent tube, said first end of said collection tube extending beyond said first end of said vent tube and said second end of said collection tube in fluid communication with the exterior of the device.
1 Assignment
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Accused Products
Abstract
The invention relates generally to a sample vial adaptor for interfacing a sample vial with the sample port of a diagnostic instrument, in particular a sample vial containing a patient body fluid sample with the sample port and sample pathway of a multi-use diagnostic instrument. Embodiments of the sample vial adaptor according to the invention generally include a short exterior vent tube having one end in communication with a chamber having a vent, an interior collection tube that is longer than the short exterior vent tube, axially positioned in the lumen of the short exterior vent tube and extending to a capillary outlet that is located on the portion of the inner collection tube that is outside of the short exterior vent tube and outside the vented chamber.
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Citations
14 Claims
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1. A device for sampling a body fluid in a vial, comprising:
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an elongate body sub-assembly comprising a first cylindrical chamber including a wall surrounding a first lumen and at least one hole extending from the first lumen through the wall to the exterior of the elongate body subassembly extending to the atmosphere; a vent tube comprising a second lumen, a first end, and a second end, the second end of said vent tube in fluid communication with the first lumen of said first cylindrical chamber; a collection tube comprising a third lumen, a first end, and a second end, said collection tube substantially parallel to and axially disposed in the second lumen of said vent tube, said first end of said collection tube extending beyond said first end of said vent tube and said second end of said collection tube in fluid communication with the exterior of the device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A device for removal of a body fluid from a vial, comprising:
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an elongate body sub-assembly comprising a first portion, a second portion, and an intermediate portion extending from the first portion to the second portion, said first portion including a first cylindrical chamber including a wall surrounding a first lumen and at least one hole extending from the first lumen through the wall to the exterior of the elongate body, said intermediate portion comprising a channel extending from said first chamber to the second portion of the elongate body sub-assembly, said second portion of said elongate body sub-assembly including a second chamber narrower than the first chamber, said second chamber including a wall surrounding a fourth lumen, said fourth lumen in fluid communication with the exterior of the elongate body sub-assembly extending to the atmosphere; a threaded sub-assembly comprising a first end comprising a threaded exterior surface, and a second end positioned within the first lumen of the first chamber of said elongate body sub-assembly; a vent tube comprising a second lumen, a first end, and a second end, said vent tube axially positioned and fixed in the threaded sub-assembly, the second end of said vent tube in fluid communication with the first lumen of said first chamber, said first end of said vent tube comprising a bevel and extending beyond said first end of said threaded sub-assembly; a collection tube comprising a third lumen, a first end, and a second end, said collection tube axially disposed in the second lumen of said vent tube, said second end of said collection tube in fluid communication with said second chamber of said elongate body sub-assembly and said first end of said collection tube extending beyond said first end of said vent tube; and a gap disposed between said vent tube and said collection tube wherein said gap is uniform in width and extends along the length of the vent tube.
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Specification