Extruded polymer tubes for blood and fluid sampling

Details Extruded polymer tubes for blood and fluid sampling Extruded polymer tubes for blood and fluid sampling

1988-12-15

1992-04-14

Seidleck, James

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

128763, 428141, A61B 514

Patent

active

051047055

ABSTRACT:
Plastic replacements for glass capillary tubes for drawing samples of blood or other body fluids are achieved by texturing the inside surface of the tube with uniform fine features and by extruding the tube over a suitably textured tapered pin with a (gradual) ratio of at least 6:1 during extrusion to ensure the transfer of the pin's surface texture to the inside diameter of the tube.

REFERENCES:
patent: 4210156 (1980-07-01), Bennett
patent: 4301414 (1981-11-01), Hill et al.
patent: 4305983 (1981-12-01), Hoppe et al.
patent: 4389366 (1983-06-01), Hoesslin et al.
patent: 4589421 (1986-05-01), Ullman
patent: 4791938 (1988-12-01), Van Valkenburg

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