| 摘要 |
Surgical apparatus for circular stitching of human organs. The invention concerns a generally circular apparatus, its diameter capable of being varied to suit organs to be stitched without it being necessary to change the apparatus or the staple holder. The apparatus consists of movable staple and knife holder units (6) disposed in a circle, and moving anvil holder units (24) disposed in a circle. Bars (9 and 24) serve to assemble said units and displace them in relation to the supporting planes constitued by compartments (7 and 23). The apparatus has a central removable axis (3) which links the compartments (7 and 23) to each other, and displaces movable units (6 and 24) by means of conical elements (4 and 35). The conjugated displacement of the latter during rotation of the central axis (3) moves the variable diameter circles opposite the moving units (6 and 24). Said units are in close contact with conical elements (4 and 35) through flat elements (5) and (32). The variation of the diameter of the cones opposite the movable units (6 and 24) is thereby directly transmitted to the latter, which results in their conjugated displacement externally or internally of the device according to the rotational direction given to the central axis (3).
|
