FENG, Xiaoreng,LEUNG, Ka-Li Frankie,FANG, Christian Xinshuo
申请号：
CN2019091056
公开号：
WO2019238085A1
申请日:
2019.06.13
申请国别(地区):
CN
年份:
2019
代理人:
摘要：
An implant device (A1) for engagement with a bone of a patient, the implant device (A1) comprising a distal end (B1), a proximal end (C1), a central shaft (D1) extending therebetween and a longitudinal central axis (E1)； the implant device (A1) further including a helical thread portion (F1) extending circumferentially about the central shaft (D1) and extending from the distal end (B1) towards the proximal end (C1) thereof, and a root (G1) at the base of the helical thread portion (F1) adjacent the central shaft (D1), the helical thread portion (F1) including a leading edge (H1) and a trailing edge (I1) both extending at least radially outwardly from the central shaft (D1) and defining the thread portion (F1) therebetween, with the root (G1) of the thread portion (F1) defined therebetween in a direction of the longitudinal central axis (E1) of the implant device (A1)； wherein the leading edge (H1) faces in a direction of at least towards the distal end (B1) of the implant device (A1), and the trailing edge (I1) faces at least in a direction of towards the proximal end (C1) of the implant device (A1)； and wherein a portion of the trailing edge (I1) extends in a direction towards the proximal end (C1) of the implant (A1) further than the most proximal portion of the root (G1) of the thread portion (F1) such that the portion of the trailing edge (I1) forms a recess (J1) between the central shaft (D1) and the trailing edge (I1).L'invention concerne un dispositif d'implant (A1) destiné à être mis en prise avec un os d'un patient, le dispositif d'implant (A1) comprenant une extrémité distale (B1), une extrémité proximale (C1), un arbre central (D1) s'étendant entre celles-ci et un axe central longitudinal (E1) ； le dispositif d'implant (A1) comprenant en outre une partie filetée hélicoïdale (F1) s'étendant de manière circonférentielle autour de l'arbre central (D1) et s'étendant à partir de l'extrémité distale (B1) vers l'extrémité proximale (C1) correspondante et une rac
