ANVIL FOR MEDICAL STAPLER

摘要

[Problem] To rationalize production steps for a medical stapler.;[Solution] An anvil (A): that forms a medical staple (3) supported in conjunction with a ram (5) in a medical stapler; sutures biological tissue; has dimensions corresponding to the formed peak section in the staple (3) after forming; and has a support section (11) that supports the crown (3b) of the staple (3), and a chamfered corner section (12) formed along both end sections in a direction along the crown (3b) of the staple (3) in the support section (11), which comes in contact with the crown (3b) when the supported staple (3) is formed and regulates a curved section thereof. The chamfered corner section (12) is cured by plastic working and formed.

主权项

1. An anvil for a medical stapler suturing body tissue by shaping, in cooperation with a ram of the medical stapler, a medical staple supported by the anvil, comprising:
a supporting part with a dimension corresponding to a dimension of a shaped top part in the shaped medical staple, the supporting part supporting a middle part of the medical staple; and a corner formed on both ends in a direction along the middle part of the medical staple on the supporting part, the corner contacting the middle part of the medical staple and defining a portion to be bent in shaping the supported medical staple, wherein the corner is formed as a chamfered corner hardened by plastic working.