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INTERVERTEBRAL ARTIFICIAL ORGAN, PRODUCTION AND INSERTION THEREOF, APPARATUS FOR INSERTING INTERVERTEBRAL ARTIFICIAL ORGAN AND APPARATUS FOR CUTTING THE SAME
INTERVERTEBRAL ARTIFICIAL ORGAN, PRODUCTION AND INSERTION THEREOF, APPARATUS FOR INSERTING INTERVERTEBRAL ARTIFICIAL ORGAN AND APPARATUS FOR CUTTING THE SAME
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机译:椎间人工器官,其生产和插入,用于插入椎间人工器官的设备和用于切割同一器官的设备
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摘要
PROBLEM TO BE SOLVED: To obtain an implantation piece easy to handle and inexpensive to produce, in the implantation piece, especially, an intervertebral artificial organ composed of a long elastomer, by forming the elastomer into a spiral shape in a relaxed state. ;SOLUTION: In a spiral implantation piece having a center piece 1 having a substantially cylindrical shape, a thin layer region 2 is provided so as to enable the center piece to largely deflect to make it possible to realize the closely bonded transition of the center piece 1 to the spiral winding 3 bonded to the thin layer region 2. The spiral binding 3 bonded to a transition region is closely bonded mutually and has definite lateral width of 2-5mm. A transfer region 4 is formed in succession to the spiral winding 3 and the lateral width of an elastomer is made narrow in the transfer region 4 in order to enable easy cutting in the vicinity of the spiral winding. Further, a strip like reinforcing material 7 is fixed to the free end of a spiral member 6 so as to be used as an extension part at a time of the handling of the spiral member 6.;COPYRIGHT: (C)1997,JPO
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