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Standard

ASTM F543:13e1

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Hinweis: Neuste Ausgabe: ASTM F543:23

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Zusammenfassung

This specification provides requirements for materials, finish and marking, care and handling, and the acceptable dimensions and tolerances for metallic bone screws that are implanted into bone. There are a large variety of medical bone screws currently in use, the following type of screws are used: type HA - spherical undersurface of head, shallow, asymmetrical buttress thread, and deep screw head, type HB - spherical undersurface of head, deep, asymmetrical buttress thread, and shallow screw head, type HC - conical undersurface of head, symmetrical thread, and type HD - conical undersurface of head, symmetrical thread. The torsional strength, breaking angle, axial pullout strength, insertion torque, self-tapping force, and removal torque shall be tested to meet the requirements prescribed.

Produktspezifikationen

  • Standard von ASTM
  • Ausgabedatum:
  • Edition: 13e1
  • Dokumenttyp: IS
  • Seiten
  • Herausgeber: ASTM
  • Lieferant: ASTM
  • ICS: 11.040.40

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