Progressive die apparatus and method for forming surgical incisi

Details Progressive die apparatus and method for forming surgical incisi Progressive die apparatus and method for forming surgical incisi

1994-10-07

1996-09-10

Crane, Daniel C.

Metal deforming

By three or more coacting relatively movable tools

With means to actuate tools in sequence

72415, 163 1, 163 5, B21G 100

Patent

active

055534775

ABSTRACT:
There is disclosed an apparatus for forming a surgical incision member comprising which includes a first die associated with a base and having a first groove therein for receipt of at least a portion of a needle blank. A second die is mounted for movement on the base between a position remote from the first die and a position adjacent the first die. The second die includes a second groove alignable with the first groove to hold a needle blank therebetween, the first and second dies each having spaced apart channels intersecting the first and second grooves. A notching die is provided and is mounted for movement within at the channels so as to engage and notch an edge of the needle blank contained within the first and second grooves. The apparatus also includes structure for curving a needle blank contained within the first and second grooves. A method of forming a surgical incision member is also disclosed, and a surgical incision member blank.

REFERENCES:
patent: 3253328 (1966-05-01), Baldwin
patent: 4044814 (1977-08-01), Zocher
patent: 4072041 (1978-02-01), Hoffman
patent: 4799311 (1989-01-01), Matsutani
patent: 5287721 (1994-02-01), Samsel
patent: 5392725 (1995-02-01), Takei

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