Nickel titanium martensitic steel for surgical needles

Details Nickel titanium martensitic steel for surgical needles Nickel titanium martensitic steel for surgical needles

1989-12-15

1991-03-19

Roy, Upendra

Alloys or metallic compositions

Ferrous

Nine percent or more chromium containing

148 12E, 148325, 148326, 420 57, 420 48, 420 52, 420 67, 420 68, C22C 3844, C22C 3920, C21D 702

Patent

active

050009125

ABSTRACT:
A needle alloy wherein the nickel content is between 6.3% and 9.5%, the chromium content is between 11.5% and 12.5% and the molydenum content is between 3% and 4%. In addition, tantalum and titanium should be present at a combined level of no more than 2.1%. Favorable results from this alloy cause needles to have a greater than 400,000 psi ultimate tensile strength.

REFERENCES:
patent: 3769003 (1973-10-01), Kenyon
patent: 3925064 (1975-12-01), Takamura et al.
patent: 4740353 (1988-04-01), Cogan et al.
patent: 4775426 (1988-10-01), Murley et al.
"Martensite" ed E. R. Petty, Longman, Bristol, 1970, pp. 161-176; 183-186.

Affiliated with

Also associated with

Rating

Nickel titanium martensitic steel for surgical needles does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Nickel titanium martensitic steel for surgical needles, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Nickel titanium martensitic steel for surgical needles will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2008725