Multi-layered composite bionic self-retaining prosthesis for femoral shaft

US11992407B1 · kind B1 · utility

Assignee

• JILIN UNIVERSITY · CN

Inventors

• Zhihui Qian · Changchun, CN
• Yue Lu · Mountain View, US
• Jincheng Wang · Nanhu, CN
• Lei Ren · Changchun, CN
• Hao A. Chen · Shanghai, CN
• Kunyang WANG · Changchun, CN
• Kaize Wang · Changchun, CN
• Guangsheng Song · Changchun, CN
• Youhao Diao · Changchun, CN
• Luquan Ren · Changchun, CN

Key dates

• Filing date: Aug 23, 2023
• Grant date: May 28, 2024
• Expiry date: Aug 23, 2043

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61F2210/0076
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

Disclosed is a multi-layered composite bionic self-retaining prosthesis for a femoral shaft, including a scaffold, an upper bone plate, and a lower bone plate. An upper outer side of the scaffold is fixed to a low inner side of the upper bone plate, and a lower outer side of the scaffold is fixed to an upper inner side of the lower bone plate. The scaffold includes an upper trabeculae layer, a middle cortical bone layer and a lower trabeculae layer. The middle cortical bone layer is a multi-layered composite structure which includes an outer frame layer, a middle filling layer and an inner frame layer. The upper and lower bone plates each include an inner trabeculae layer and an outer reinforcement layer.