A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
128/83
A61M 1/00 (2006.01) A61M 5/24 (2006.01)
Patent
CA 2029026
A blood sampling equipment with needle, holder and vacuum vial. A B S T R A C T: When collecting blood samples in sealed systems evacuated specimen vials (6) are used, which with a foremost penetratable cap are inserted into a holder (4) to which a sampling needle (2, 10) is secured; the rear end of the needle extends into the holder and perforates the cap (46) of the specimen vial, thus enabling blood collection through a thin needle by the suction effect from the vial. There is an element of risk attached to using needles with a two-sided protruding needle, and with the invention the extraction needle (10) is only one-sidedly protruding from its holding piece (8), whilst in return the holder (4) is made with a built-in, completely screened needle portion (22) for connection withe the vial (6). Special sealing problems at the changing of specimen vials in the same extraction proce- dure is countered in that the needle portion (22) is displaceably secured in the holder (4, 26) and consti- tutes part of a valve arrangement (26, 28, 34), which is opened by the insertion of the needle portion (22) at the insertion of the vial (6) and is closed at the remo- val of the vial. Furthermore an advantageous design of the vial (6) is disclosed.
Marks & Clerk
Nielsen Bjorn
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