| 摘要 |
This invention relates to forceps instruments, particularly those used for fitting tantalum clips for sealing off the Fallopian tubes in the human female. Such instruments ordinarily comprise a barrel with a handle at the proximal end thereof to open and close jaws of the forceps for the clips at the distal end of the barrel, the surgeon observing the operational area by means of an optical system that includes a viewing tube associated with the forceps instrument. In accordance with the invention, the viewing tube extends centrally through the barrel which is longitudinally movable to open and close the forceps jaws; the viewing tube terminates in a straight line so as to give the surgeon uninterrupted vision between the forceps jaws.
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