A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
26/155, 128/83
A61M 1/10 (2006.01) A61B 5/15 (2006.01) B01L 3/14 (2006.01)
Patent
CA 1209004
ABSTRACT BLOOD SAMPLING TUBE An evacuable blood sampling tube closed with a seal is provided for a blood letting apparatus having a hollow cylindrical support. The hollow cylindrical support is provided at one end with a double ended hollow needle and the blood sampling tube can be inserted into the other open end so far that the one needle end pierces the seal. The sampling tube is covered at its open end with a closure element such as an aluminum foil, which additionally carries on the outside a sealing membrane of a rubber elastic material such as for example silicone caoutchouc. The closure element is provided at its side toward the interior of the tube with a continuous hot sealing layer. The cap comprises an inner and an outer jacket which surrounds the open end of the sampling tube from the inside and outside with a forced fit and a collar is provided at the inside of the inner jacket to support the closure element. The collar can be disposed about the middle third of the length of the inner jacket. The outer jacket can be longer than the inner jacket.
446014
Gowling Lafleur Henderson Llp
Greiner (c.a.) & Sohne Gesellschaft M.b.h.
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