Method for annealing stapler anvils

Details Method for annealing stapler anvils Method for annealing stapler anvils

1991-07-23

1992-12-22

Dean, R.

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

148570, 148590, 761011, 219 1041, 219 1043, 227175, 227180, 606220, C21D 900

Patent

active

051731339

ABSTRACT:
An anvil member for use in a surgical stapler is annealed by localized heating, preferably induction heating. A shaped shielding means is used to cradle the anvil so as to expose the staple crimping portion of the anvil. The heating is performed so as to anneal only the delimited staple crimping portion of the anvil. All other portions of the anvil are either shielded by the cradle or are out of the heating range.

REFERENCES:
patent: 3079606 (1963-03-01), Bobrov et al.
patent: 3490675 (1970-01-01), Green et al.
patent: 3499591 (1970-03-01), Green
patent: 5058457 (1991-10-01), Deroulou et al.
Mark's Standard Handbook for Mechanical Engineers, Ninth Ed., pp. 7-63 (1987).
Application of Electronic Induction Heating Equipment, dated 1956.

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