Title: Specimen collecting tube

Abstract: A specimen collection tube for liquids such as blood having an internal surface adapted to mate with the bottom of a stopper is provided. By necking in the tube wall at a point which is generally coincident with an appropriately formed taper at the stopper bottom, blood or additives will not be entrapped at the junction. Slots or other openings which may be provided along the outside of the stopper wall are sealed off from the inside of the tube by the necked in portion.

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Inventors: Conway, Hugh T. (Cedar Grove, NJ, US)

Application Number: 016156
Filing Date: 1979-02-28
Publication_date: 1980-10-14
Assignee: Becton, Dickinson and Company (Paramus, NJ)
Primary Class(es): 215/355 215/DIG3, 422/102, 422/913, 600/576, 604/415
Other Classes:
US Patent Ref:

1115597	Nov, 1914	Sherman	215/DIG.
2106880	Feb, 1938	Toaz	215/355.
2142278	Jan, 1939	Mendelson	215/DIG.
2190054	Feb, 1940	Cutter et al.	215/DIG.
2780225	Feb, 1957	Barr et al.	128/272.
3850174	Nov, 1974	Ayres	128/272.

Other Refs: 2236528

Jan, 1974	DE

Primary Examiner: Turk, Arnold
Assistant Examiner:
Attorney: