US 12,296,331 B2
Fluid collection device
Yew Aw Liew, Ipoh Perak (MY)
Appl. No. 17/283,560
Filed by WOHLTEC MEDICAL SDN BHD, Ipoh Perak (MY)
PCT Filed Aug. 30, 2019, PCT No. PCT/MY2019/050051
§ 371(c)(1), (2) Date Apr. 8, 2021,
PCT Pub. No. WO2020/085893, PCT Pub. Date Apr. 30, 2020.
Claims priority of application No. PI 2018703918 (MY), filed on Oct. 23, 2018.
Prior Publication US 2021/0387178 A1, Dec. 16, 2021
Int. Cl. A61B 10/00 (2006.01); B01L 3/00 (2006.01)
CPC B01L 3/5021 (2013.01) [A61B 10/0051 (2013.01); A61B 10/007 (2013.01); A61B 2010/008 (2013.01); B01L 2400/0478 (2013.01)] 28 Claims
OG exemplary drawing
 
1. A specimen collection tube assembly (200), comprising:
i. a barrel (210) defining a first chamber (211) with a first luer tip (214) at one end and open at another end; and
ii. an inner tube (220) in a slidable sealing engagement within the barrel (210),
wherein the inner tube (220) defines a second chamber (221) with a second luer tip (224) at one end and open at another end;
wherein the open end of the inner tube (220) is slidable within the first chamber (211) such that the chambers (211, 221) allow fluid transfer between one another;
wherein a seal (222) encircles the open end of the inner tube (220) for the slidable sealing engagement within the barrel (210);
wherein a closed system is defined within the inner tube (220) and the barrel (210) when each of the first and second luer tips (214, 224) is closed by a respective first and second luer knob (230a, 230b); and
wherein a volume of the closed system is variable by sliding the inner tube (220) within the barrel (210).