TSUANG, FON YIH,曾峰毅,CHEN, CHIA HSIEN,陈加宪,陳加憲,CHIANG, CHANG JUNG,江长蓉,江長蓉,KUO, YI JIE,郭宜洁,郭宜潔
申请号：
TW105115078
公开号：
TW201707654A
申请日:
2016.05.16
申请国别(地区):
TW
年份:
2017
代理人:
摘要：
The percutaneous minimally invasive pedicle fixation system herein comprises a bone screw and a hook-rod, wherein the bone screw includes a positioning casing and a screw body. The positioning casing comprises securing base, an alignment casing and a screw body passage. The securing base includes a through hole at the bottom and two openings arranged opposite to each other in the wall. The alignment casing has a wall portion and a volume reduce portion, wherein the wall portion is configured with an elongate opening and the volume reduced portion is a portion with part of the wall removed to recede from the outer surface of the securing base and a guide opening formed in the volume reduced portion. The positioning casing further includes a first easy breaking portion between the alignment casing and the securing base so that the alignment casing can be removed from the positioning casing.本發明揭示一種經皮微創椎弓根固定系統，其包含骨釘及鈎桿，其中骨釘包含定位套及釘本體，該定位套包含固定座、校準套及釘本體通道，該固定座包含位於底部的通孔及在壁上彼此相對地設置的兩開口，校準套具有壁部分及體積減小部分，其中壁部分經構形具有長形開口，且體積減小部分為壁上被移除以自該固定座的外表面內縮的一部分，一導引開口形成在該體積減小部分中，定位套包含位於校準套及固定座之間的第一易斷裂部分，以使該校準套自定位套被移除。
