Patents Assigned to Matsutani Seisakucho Co., Ltd.
  • Method and apparatus for producing a surgical staple having two different inclined surfaces
    Patent number: 5060468
    Abstract: In producing the surgical staple, a cutting edge is moved toward each of the leg portions of the wire from which the staple is formed in inclined relation to the axis of the leg portion to shear the leg portion, the leg portion being set on a receiving surface. A smooth sheared surface and a coarse ruptured surface are formed in order on the distal end portion of the leg portion toward the distal end of the leg portion. A shearing member having the cutting edge above serves to bend and shear the leg portions of the surgical staple.
    Type: Grant
    Filed: May 29, 1990
    Date of Patent: October 29, 1991
    Assignee: Matsutani Seisakucho Co., Ltd.
    Inventors: Kanji Matsutani, Masatoshi Fukuda