Method for drawing a blood sample

Surgery – Truss – Pad

Patent

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A61M 500

Patent

active

041789415

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.

REFERENCES:
patent: 3753432 (1973-08-01), Guerra
patent: 3930492 (1976-01-01), Hatsuno et al.
patent: 4041934 (1977-08-01), Genese

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