| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a chisel used for an operation using a percutaneous endoscopic apparatus, that is made larger in size than the conventional one and is made to reach the side edge of an outer cylinder. <P>SOLUTION: The instrument is cylindrical and has an internal diameter a little larger than the external diameter of the outer cylinder for the percutaneous endoscopic apparatus. A part of a distal portion of the instrument is a cutting blade and the other parts are obliquely cut, and a hand portion includes a projection for hitting and a projection for gripping. This instrument is used while covering the outer edge of the outer cylinder for the percutaneous endoscopic apparatus. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
