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相关概念视频

Long-patch Base Excision Repair01:02

Long-patch Base Excision Repair

Since the discovery of the two BER pathways, there has been a debate about how a cell chooses one pathway over the other and the factors determining this selection. Numerous in vitro experiments have pointed out multiple determinants for the sub-pathway selection. These are:
Fixing Double-strand Breaks02:04

Fixing Double-strand Breaks

The double-stranded structure of DNA has two major advantages. First, it serves as a safe repository of genetic information where one strand serves as the back-up in case the other strand is damaged. Second, the double-helical structure can be wrapped around proteins called histones to form nucleosomes, which can then be tightly wound to form chromosomes. This way, DNA chains up to 2 inches long can be contained within microscopic structures in a cell. A double-stranded break not only damages...
Restarting Stalled Replication Forks02:37

Restarting Stalled Replication Forks

DNA replication is initiated at sites containing predefined DNA sequences known as origins of replication. DNA is unwound at these sites by the minichromosome maintenance (MCM) helicase and other factors such as Cdc45 and the associated GINS complex.The unwound single strands are protected by replication protein A (RPA) until DNA polymerase starts synthesizing DNA at the 5’ end of the strand in the same direction as the replication fork. To prevent the replication fork from falling apart, a...
Fixing Double-strand Breaks02:04

Fixing Double-strand Breaks

The double-stranded structure of DNA has two major advantages. First, it serves as a safe repository of genetic information where one strand serves as the back-up in case the other strand is damaged. Second, the double-helical structure can be wrapped around proteins called histones to form nucleosomes, which can then be tightly wound to form chromosomes. This way, DNA chains up to 2 inches long can be contained within microscopic structures in a cell. A double-stranded break not only damages...
Steel Fastening Techniques01:17

Steel Fastening Techniques

Steel sections can be joined together through various fastening techniques including riveting, bolting, and welding, each suitable for different structural requirements and conditions.
Rivets are cylindrical steel fasteners with a specially designed head. During application, rivets are heated until white-hot and then inserted through pre-drilled holes in the steel sections. A pneumatic hammer is used to shape the exposed end into a second head, securing the sections together.
Bolting is another...
Brick Cutting Techniques01:08

Brick Cutting Techniques

Brick-cutting techniques involve various tools and methods to shape bricks for construction. A mason's hammer with a chisel-pointed end is used for basic shaping through sharp, precise strikes. For more complex shapes requiring higher precision, a power saw with a water-cooled diamond blade is used.
Cut bricks are categorized by size. Bricks cut to half their original length are called half-bats, while those cut to three-fourths their length are known as three-fourth bats.
Special types of cut...

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相关实验视频

Updated: Jun 21, 2026

The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve
09:51

The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve

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开放的部绑架器修复:双排,撕裂停止技术

Jared J Reid1, Cody C Ashy1, Henry B G Baird1

  • 1Department of Orthopedics and Physical Medicine, Medical University of South Carolina, Charleston, South Carolina, U.S.A.

Arthroscopy techniques
|November 12, 2025
PubMed
概括

关节和最小肌病变会导致侧部疼痛. 一种新的开放式,双排,断式接 anchor 技术为绑架肌撕裂提供了一个有前途的手术解决方案.

科学领域:

  • 整形外科手术 整形外科手术
  • 运动医学 运动医学
  • 生物医学工程 生物医学工程

背景情况:

  • 关节和最小肌病是侧部疼痛的常见原因.
  • 非手术治疗通常在反复的病例中被耗尽.
  • 为了显著缓解疼痛和改善步态,越来越多地考虑进行手术干预.

研究的目的:

  • 为提议和突出一个开放的,双排,撕裂停止合 anchor技术的绑肌撕裂.
  • 为了解决目前手术治疗关节肌病的局限性.

主要方法:

  • 审查最近的尸体生物力学分析,比较接 anchor技术.
  • 关于采用双排和撕裂停止原理的开放外科手术技术的建议.
  • 成功修复旋转片的修复技术的适应,以绑架肌撕裂.

主要成果:

  • 尸体研究表明,双排提供了比单排更大的足迹覆盖面和更高的负载到故障.
  • 拟议的技术结合了双排和撕裂停止维修的生物机械优势.
  • 这种方法旨在提高绑架肌撕裂的修复完整性和耐用性.

结论:

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  • 开放式,双排,撕裂式接 anchor 技术为关节和最小肌病变提供了一个可行的和潜在的优越的手术选择.
  • 这种技术可能会改善患有反复性绑架肌撕裂的患者的治疗结果.
  • 需要进一步的临床研究来验证这种手术方法的疗效.