A stress-reducing, shrouded, biomimetic multilayer radius bone plate
By designing a biomimetic multi-layered radial bone plate, combined with a three-dimensional diagonal cross structure of deep-sea glass sponge and a titanium alloy substrate, the problem of stress shielding in the radial bone plate was solved, achieving more uniform stress distribution and better fracture recovery.
CN117204932BActive Publication Date: 2026-07-24JILIN UNIVERSITY
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Patent Information
- Application Number
- CN202311434605.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-11-01
- Publication Date
- 2026-07-24
- Estimated Expiration
- 2043-11-01
AI Technical Summary
Technical Problem
The existing radial bone plate material has a stiffness greater than that of human bones, which leads to stress shielding and can easily cause complications such as secondary fractures and osteoporosis. The improvement effect of the existing structure is not significant.
Method used
A biomimetic multilayer radial bone plate was designed based on deep-sea glass sponge. It utilizes three-dimensional diagonal cross structural units and a titanium alloy substrate, combined with a hollow structure and fan-shaped notches, to reduce stiffness and distribute stress evenly.
Benefits of technology
It effectively reduces stress shielding, prevents secondary fractures and osteoporosis, improves fracture recovery, and promotes blood circulation recovery.
✦ Generated by Eureka AI based on patent content.
Abstract
A biomimetic multilayer radial bone plate with reduced stress shielding, belonging to the field of medical device technology, includes a base plate and a sandwich layer. The base plate consists of a distal radius fixation plate and a radial fixation plate, which are integral structures. The radial fixation plate has a hollow structure, and the sandwich layer fills the hollow part of the radial fixation plate. The sandwich layer consists of several three-dimensional diagonal cross structural units and several screw hole bases. The three-dimensional diagonal cross structural units are based on deep-sea glass sponge, evolving its two-dimensional double diagonal structure into three-dimensional independent three-dimensional diagonal cross structural units. The novel three-dimensional diagonal cross structural units not only have excellent compressive and torsional resistance, but also have more uniform stress distribution than the original structure, ensuring structural strength. By combining the bone plate with the novel three-dimensional diagonal cross structural units, the mechanical properties of the bone plate are taken into account while effectively reducing the stiffness of the bone plate, reducing stress shielding, and preventing complications such as secondary fractures and osteoporosis.
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