Title: Method for drawing a blood sample

Abstract: Improved method for taking blood or other fluid samples, particularly arterial samples for blood gas testing or the like, which comprises using a disposable syringe having a syringe body, a piston or plunger having a compressible end piece which forms a seal with the inner surface of the syringe body, and a means for preventing compression or deformation of the compressible end piece against the end wall of the syringe body.

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Other info:

Inventors: Raitto, Russell G. (Fitzwilliam, NH, US)

Application Number: 795187
Filing Date: 1977-05-09
Publication_date: 1979-12-18
Assignee: Concord Laboratories, Inc. (Keene, NH)
Primary Class(es): 600/576
Other Classes:
US Patent Ref:

3753432	Aug, 1973	Guerra	128/2F.
3930492	Jan, 1976	Hatsuno et al.	128/2.
4041934	Aug, 1977	Genese	128/2.

Other Refs:
Primary Examiner: Kamm, William E.
Assistant Examiner:
Attorney: Bronstein; Sewall P.