一个新的概念和3D合器用于机器人纠正脊柱形:体外实验测试试验
Hazem B Elsebaie1, Behrooz A Akbarnia2, Robert K Eastlack2,3
1San Diego Spine Foundation, San Diego, CA, USA hazembelsebaie@yahoo.com.
International journal of spine surgery
|January 20, 2026
概括
这项研究引入了一种用于脊柱手术的新型3D合器,可实现精确的,机器驱动的脊椎偏差校正. 该设备在脊柱形纠正方面提供了更高的准确性和可预测性,解决了当前刚性杆技术的局限性.
科学领域:
- 生物医学工程 生物医学工程
- 整形外科手术 整形外科手术
- 机器人在医学中的机器人
背景情况:
- 目前的脊椎形纠正依赖于刚性棒,限制3D操纵,导致不准确的结果.
- 强迫性手动技术增加了植入物失败和并发症的风险.
- 需要数字化,精确控制脊椎对齐.
研究的目的:
- 引入和评估一种新的机器操作装置,用于数字化分段性6度自由度 (6DOF) 脊柱形的纠正.
- 评估用于个人脊椎操纵的3D合器的精度和功能.
主要方法:
- 制造了一种具有自锁单轴接头的3D合器.
- 通过比较目标与交付的运动来测试设备的精度.
- 使用来自CT扫描的3D打印脊椎模型验证的功能.
主要成果:
- 在所有测试的运动中,3D合器准确且反复地实现了目标运动.
- 该设备展示了在6个自由度 (DOF) 中的4个中调动脊椎模型的能力.
结论:
- 新的3D合器提供机器驱动,精确和可预测的多平面运动来纠正脊柱.
- 该设备提供数字精度和真正的6DOF校正,支持脊柱形的机器人手术执行.
相关概念视频
Self-Concept
1.6K
Self-concept is the cognitive and emotional understanding individuals hold about their identity. It evolves through various developmental stages, beginning in infancy and maturing as children grow. This concept influences how individuals perceive their abilities, interact with others, and manage challenges throughout life.
Infancy and Emerging Recognition
During infancy, self-concept is virtually nonexistent. Babies do not distinguish themselves as separate entities and often mistake their...
Infancy and Emerging Recognition
During infancy, self-concept is virtually nonexistent. Babies do not distinguish themselves as separate entities and often mistake their...
1.6K
Distance Corrections
283
To achieve precise distance measurements, especially in surveying and construction, certain corrections must be applied to account for potential sources of error like the standardization errors, temperature variations, and slope adjustments.Standardization error emerges when measurement equipment undergoes changes, such as wear, repairs, or weather impacts. To address this, surveyors compare the equipment’s readings to a standard. This process identifies any deviation that might lead to...
283
Plastic Deformations
439
Plastic deformation represents a fundamental concept in materials science, which explains the irreversible change in the shape of a material when it experiences stress beyond its elastic capability. This phenomenon is important in structural engineering, especially in designing and analyzing cantilever beams—structures that are securely fixed at one end and bear loads at the opposite end. When these beams are subjected to loads within their elastic range, they will return to their...
439
Plastic Deformations
412
It is essential to understand how structural members behave under plastic deformation when the bending stress exceeds the material's yield strength. This state of deformation permanently alters the shape of the member, in contrast to the linear elastic behavior observed before yielding. The strain at any point in the member is expressed in terms of maximum strain. Notably, the neutral axis, which coincides with the centroid during elastic bending, shifts away from the centroid under plastic...
412
Concepts and Prototypes
519
The human nervous system handles vast amounts of information by translating sensory stimuli into neural impulses, which the brain processes, creating thoughts expressed through language or stored as memories. The brain also synthesizes information from emotions and memories, which significantly influence thoughts and behaviors. This intricate process creates a comprehensive mental picture.
The brain organizes this information using concepts, which are mental categories grouping linguistic data,...
The brain organizes this information using concepts, which are mental categories grouping linguistic data,...
519
Power Factor Correction
504
The power transmission to a factory involves the transfer of apparent power, a combination of active and reactive power. The power factor measures how effectively electrical power is converted into useful work output. The ratio of the real power (KW) that does the work to the apparent power (KVA) supplied to the circuit.
504


