3D printing assembly type stepless distraction artificial vertebral body and bone filling tool thereof

The utility model provides a 3D printing assembly type stepless distraction artificial vertebral body and a bone filling tool thereof. The 3D printing assembly type stepless distraction artificial vertebral body comprises a distraction column body, an upper end cover and a lower end cover. The pilla...

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Bibliographische Detailangaben
Hauptverfasser:	LUO YUN, LIU MINGYAN, MA LITAI, MA YULI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING BANDAGES, DRESSINGS OR ABSORBENT PADS DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PERFORMING OPERATIONS PROSTHESES TRANSPORTING TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	The utility model provides a 3D printing assembly type stepless distraction artificial vertebral body and a bone filling tool thereof. The 3D printing assembly type stepless distraction artificial vertebral body comprises a distraction column body, an upper end cover and a lower end cover. The pillar body capable of being opened comprises a stud, a guide sleeve and a driving ring; the stud comprises a stud body and an external thread part; at least two guide grooves are uniformly distributed in the column body; a cylinder protruding part is formed between every two adjacent guide grooves. The guide sleeve comprises a sleeve body and at least two insertion piece parts. Each insertion piece part comprises an upper bearing piece, an arc-shaped piece body and a lower connecting piece which are sequentially connected from top to bottom. A spacing part is formed between every two adjacent inserting piece components, and the cylinder protruding parts extend out of the spacing parts; a ring body internal thread part