Blood extraction device having a holder and a sharpened-end cann

Details Blood extraction device having a holder and a sharpened-end cann Blood extraction device having a holder and a sharpened-end cann

1997-04-25

2000-08-29

McDermott, Corrine

Surgery

Container for blood or body treating material, or means used...

Having hollow needle or spike for piercing container or...

604240, 604413, 600576, A61B 1900

Patent

active

061101605

ABSTRACT:
A blood extraction device has a holder with a hollow needle cannula anchored therein. A rear end portion of this cannula is surrounded by a closed-end elastic hose like valve rubber tube with an air gap between the tube and the cannula. With a minimum of effort and cost a reliable anchorage of the valve rubber tube in the holder is obtained by pressing a clamping member within the holder against the exterior of the valve rubber tube and thereby plastically deforming this clamping member.

REFERENCES:
patent: 4846808 (1989-07-01), Haber et al.

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