Surgical needles from high strength steel alloy and method of producing the same

A surgical needle (10) is disclosed. The needle (10) comprises a cold drawn, age hardened iron-base alloy containing, by weight, about 9-13 per cent chromium, about 8-16 per cent cobalt, about 4-8 per cent molybdenum, about 4-8 per cent nickel, the balance being essentially iron and incidental impur...

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Bibliographische Detailangaben
1. Verfasser:	BENDEL, LEE P
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ALLOYS CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CHEMISTRY DIAGNOSIS DISINFECTION, STERILISATION, OR DEODORISATION OF AIR FERROUS OR NON-FERROUS ALLOYS HUMAN NECESSITIES HYGIENE IDENTIFICATION MAKING NEEDLES, PINS OR NAILS OF METAL MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL MEDICAL OR VETERINARY SCIENCE METALLURGY METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL PERFORMING OPERATIONS PUNCHING METAL SURGERY TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	A surgical needle (10) is disclosed. The needle (10) comprises a cold drawn, age hardened iron-base alloy containing, by weight, about 9-13 per cent chromium, about 8-16 per cent cobalt, about 4-8 per cent molybdenum, about 4-8 per cent nickel, the balance being essentially iron and incidental impurities, in which said elements are balanced to provide an austenite retention index ("ARI") value of from about 18 to 22.8, as calculated from the equation: ARI = % Ni + 0.8(% Cr) + 0.6(% Mo)+ 0.3(% Co),