| 摘要 |
A suturing instrument for use in surgical operation to suture up a wound or the cut out flesh with lock stitches substantially comprises a support, a needle bar secured to the support, a curved needle removably attached to one end of the needle bar and supplied with a needle thread, a holder bar mounted on the support and axially movable relative to the support to and away from a thread loop formed at the curved needle during the suturing operation, a shuttle holder mounted on one end of the holder bar, a shuttle removably mounted in a space defined by the shuttle holder and supplied with a shuttle thread, pawl means for detaining the shuttle in the space of the shuttle holder, said shuttle being of a streamlined structure pointed at the forward end thereof and having a rear end, said shuttle being positioned in the space of the shuttle holder in a manner that the pointed forward end thereof is directed to the support and the rear end thereof is directed to the curved needle, so that the shuttle may traverse on the outside of the thread loop formed at the curved needle with an advancing axial movement of the holder bar, and may traverse the thread loop on the inside thereof with a returning axial movement of the holder bar.
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