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
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.
대표청구항▼
What is claimed is: 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
What is claimed is: 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. 2. The device of claim 1 wherein said sub-assembly comprises a first portion, a second portion, and an intermediate portion extending between the first portion and the second portion, said first cylindrical chamber located in the first portion of the subassembly. 3. The device of claim 2 wherein said intermediate portion comprises a channel extending from the first cylindrical chamber to the second portion. 4. The device of claim 3 wherein said second portion comprises a second chamber comprising a fourth lumen. 5. The device of claim 4 wherein said second chamber is in fluid communication with said collection tube and the exterior of the subassembly. 6. The device of claim 1 further comprising a second threaded sub-assembly comprising a first end and a second end, the second end within the first lumen of the first cylindrical chamber. 7. The device of claim 6 wherein said vent tube is axially positioned in the second threaded sub-assembly. 8. The device of claim 1 wherein said first end of said vent tube comprises a bevel and a tip with a point. 9. The device of claim 7 wherein said first end of said vent tube extends outside of said second threaded sub-assembly. 10. The device of claim 1 further comprising a gap between the outside of the collection tube and the wall of the vent tube. 11. The device of claim 1 further comprising a cylinder enclosing said vent tube and said collection tube. 12. The device of claim 3 wherein said third lumen of said collection tube is in fluid communication with said channel, said second chamber and the exterior of said device. 13. The device of claim 1 wherein said second lumen of said vent tube is in fluid communication with said first lumen of said first cylindrical chamber and said hole extending from the first lumen of the first cylindrical chamber to the exterior of said device. 14. A device for removal of a body fluid from a vial, comprising: 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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