| 摘要 |
1459581 Corneal prostheses MOSKOV MEDITSIN STOMATOLOGIOHE INST 4 March 1974 [4 March 1973] 9672/74 Heading A5R A through-corneal prosthesis comprises a support 1 in the form of a ring 2, Fig. 2, hav ing two diametrically opposed frames 3 thereon, a bush 4, Fig. 5, with a threaded hole rigidly mounted in the support, a threaded, temporary, removable plug (6) Fig. 4, (not Shown), for closing said hole, and a threaded, removable, generally cylindrical transparent member 5 which is screwed into the bush to replace said plug after implantation of the support in the cornea 7, the height of the plug and of the bush each being in the range 0.25 mm and 0.5 mm, whereby the support member and plug can be implanted without perforating the inner corneal layers 9. |
