通过皮肤修改的阴螺丝固定:技术和临床经验
Soo Hyun Lee1, Chun Kee Chung2, Do Heum Yoon1
1Department of Neurosurgery, College of Medicine, CHA Bundang Medical Center, CHA University, 59, Yatap-Ro, Bundang-Gu, Seongnam, 13496, Republic of Korea.
Acta neurochirurgica
|January 22, 2026
概括
穿皮修饰上螺丝 (PMIS) 技术提供了一种安全的,最少侵入性的方法,用于骨固定. 这种方法避免了与其他技术相关的并发症,显示出有希望的早期结果.
科学领域:
- 脊柱外科手术 脊柱外科手术
- 整形外科手术 整形外科手术
- 最少的侵入性技术是最小的侵入性技术.
背景情况:
- S1脚螺丝有很高的松和断裂率.
- 传统的上螺丝 (CIS) 和S2上螺丝 (S2AI) 技术提供了更好的稳定性,但也有局限性.
- 需要一种不那么侵入性的技术来进行骨固定.
研究的目的:
- 评估皮修饰阴茎螺丝 (PMIS) 技术的安全性和有效性.
- 将PMIS与CIS和S2AI等传统方法进行比较.
- 评估PMIS在最小侵入性方法中的可行性.
主要方法:
- 10名患者 (2名男性,8名女性;平均年龄59.9岁) 的回顾性病例系列,接受PMIS.
- 利用虚拟的光学参考线来安全地将螺丝插入内无通道.
- 通过X光照评估了手术前和手术后的脊皮参数 (PI,PT,SS) 和并发症.
主要成果:
- 没有观察到任何感染,螺丝突出或与螺丝有关的并发症.
- 由于与脊柱感染进展无关,需要进行一次修订.
- 脊椎皮层参数 (PI,PT,SS) 从术前到最后的随访期间保持稳定.
结论:
- PMIS技术是一种安全的,最少侵入性的选择,用于骨固定.
- PMIS克服了CIS和S2AI的局限性,同时最大限度地减少了软组织解剖.
- 建议对更大的队列进行进一步研究,以确认PMIS的有效性和临床实用性.
相关概念视频
01:16Self-Locking Screw
2.4K
A square-threaded screw jack is a mechanical device widely used for lifting heavy loads or applying considerable force. One of the key features that can make a screw jack more effective and reliable is its self-locking capability.
A square-threaded screw jack carrying a load is considered self-locking if the screw retains its position even after the moment applied to it is removed.
A square-threaded screw jack carrying a load is considered self-locking if the screw retains its position even after the moment applied to it is removed.
2.4K
01:21Screw: Problem Solving
689
In mechanical engineering, the interaction between a threaded screw shaft and a plate gear involves analyzing the resisting torque on the plate gear that can be overpowered when a specific torsional moment is applied to the shaft. To better comprehend this concept, consider a generic situation with a threaded screw shaft with a given mean radius and lead and a plate gear with a specified mean radius. The coefficient of static friction between the screw and gear is also provided.
To evaluate the...
To evaluate the...
689
01:17Frictional Forces on Screws
1.6K
Screws are characterized by a helical ridge known as a thread wrapped around a cylindrical shaft. They are commonly used as fasteners to hold objects together or to transmit power and motion in machines. One type of screw that is particularly useful for transmitting power is the square-threaded screw.
A jack with a square-threaded screw is a mechanical device used to lift heavy loads by applying a force at its handle. When the force is applied, the screw turns, raising the load. The screw can...
A jack with a square-threaded screw is a mechanical device used to lift heavy loads by applying a force at its handle. When the force is applied, the screw turns, raising the load. The screw can...
1.6K
01:03Fixation and Sectioning
7.5K
Two basic types of preparation are used to visualize specimens with a light microscope: wet mounts and fixed specimens.
The simplest type of preparation is the wet mount, in which the specimen is placed in a drop of liquid on the slide. A liquid specimen can be directly deposited on the slide using a dropper. Solid specimens, such as skin scraping, can be placed on the slide before adding a drop of liquid to prepare the wet mount. Sometimes the liquid is simply water, but stains are often added...
The simplest type of preparation is the wet mount, in which the specimen is placed in a drop of liquid on the slide. A liquid specimen can be directly deposited on the slide using a dropper. Solid specimens, such as skin scraping, can be placed on the slide before adding a drop of liquid to prepare the wet mount. Sometimes the liquid is simply water, but stains are often added...
7.5K
01:28Carbon-dioxide Fixation
678
Carbon dioxide fixation in prokaryotes enables the assimilation of inorganic carbon into organic molecules, supporting biosynthetic pathways, sustaining ecosystems, and contributing to the global carbon cycle. It also has industrial applications in carbon capture and bioproduct synthesis. Autotrophic organisms rely on this process to utilize CO₂ as a carbon source in diverse environments.The Calvin CycleThe Calvin cycle is the most widespread carbon fixation mechanism, primarily used by...
678
01:12What is an Experiment?
17.5K
An experiment is a planned activity carried out under controlled conditions. The purpose of an experiment is to investigate the relationship between two variables. When one variable causes change in another, we call the first variable the explanatory or independent variable. The affected variable is called the response or dependent variable. In a randomized experiment, the researcher manipulates values of the explanatory variable and measures the resulting changes in the response variable. The...
17.5K