Proximal-femur intraosseous release device

US12290291B2 · kind B2 · utility

Assignee

• The Fourth Medical Center of the Chinese People's Liberation Army General Hospital · CN

Inventors

• Licheng ZHANG · Beijing, CN
• Peifu Tang · Beijing, CN
• Chi-Cheng Ma · Forsyth, US
• Xiang CUI · Beijing, CN
• Pengbin YIN · Beijing, CN
• Yong Xie · Nanhu, CN
• Junsong Wang · Beijing, CN

Key dates

• Filing date: Nov 27, 2024
• Grant date: May 6, 2025
• Expiry date: Nov 27, 2044

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61M2039/025
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A proximal-femur intraosseous release device includes a release mechanism. A primary fixing mechanism is provided at one end of the release mechanism, the primary fixing mechanism includes a first shell, and a second shell, a first triangular block and a second triangular block are arranged inside the first shell; the second shell is screwed to the first shell through threads, a bottom of the second shell is rotatably connected with the first triangular block, the first triangular block is slidably connected with the first shell, a bottom surface of the first triangular block is an inclined surface, the second triangular block is located at a bottom of the first triangular block, a top surface of the second triangular block is an inclined surface, and a through hole matched with the second triangular block is formed in the first shell.