Needle and suture swaging method

Details Needle and suture swaging method Needle and suture swaging method

1995-03-09

1996-01-23

Bryant, David P.

Metal working

Method of mechanical manufacture

Assembling or joining

29516, 83153, 83950, B21D 3900

Patent

active

054856680

ABSTRACT:
A swaging station incorporates a drawing tower that automatically draws, cuts, and inserts an indefinite length strand of suture material within the suture receiving end of a surgical needle for swaging thereof. The suture receiving end of the surgical needle is positioned within a swaging assembly located at the top of the drawing tower that comprises a first fixed swage die and a second movable swage die forming a swage die opening for positively gripping the suture receiving end of the needle positioned therein. A first suture alignment die and a second suture alignment die are precisely registered below and adjacent the respective first and second swage dies to form a lower funnel guide that is axial with the swage die opening for positioning the tip of the suture strand therein. The lower funnel guide has an exit diameter that is larger than the diameter of the suture tip and smaller than the diameter of the suture receiving end of the needle for easy placement of the suture tip therein. Subsequently, the second movable swage die is actuated to swage the suture tip to the needle.

REFERENCES:
patent: 3611551 (1971-10-01), Shave et al.
patent: 3980177 (1976-09-01), McGregor
patent: 4072041 (1978-02-01), Hoffman et al.
patent: 4672871 (1987-06-01), Gudmestad
patent: 4722384 (1988-02-01), Matsutani
patent: 4806737 (1989-02-01), Coates
patent: 4832025 (1989-05-01), Coates
patent: 4922904 (1990-05-01), Uetake et al.
patent: 5226336 (1993-07-01), Coates

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