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Updated: Jan 17, 2026

Surgical Fixation of Sternal Fractures: Preoperative Planning and a Safe Surgical Technique Using Locked Titanium Plates and Depth Limited Drilling
15:11

Surgical Fixation of Sternal Fractures: Preoperative Planning and a Safe Surgical Technique Using Locked Titanium Plates and Depth Limited Drilling

Published on: January 5, 2015

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使用一种新型的最大突起指数来描述严重的乳腺癌

Jason O Robertson1, Cecilia Gigena Heitsman1, John W DiFiore1

  • 1Division of Pediatric Surgery, Cleveland Clinic Children's Hospital, 9500 Euclid Avenue, Cleveland, OH 44195, USA.

Journal of pediatric surgery
|September 14, 2025
PubMed
概括

新的最大突起指数 (MPI) 与哈勒指数 (HI) 相比,提供了更准确和更灵敏的乳腺癌 (PC) 严重性的测量方法. MPI在识别可操作的PC病例方面表现出卓越的一致性和诊断性能.

关键词:
胸部卡里纳图姆 (Pectus carinatum) 是一个有趣的植物.拉维奇程序 拉维奇程序严重程度 严重程度手术纠正手术的纠正

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Author Spotlight: Development of a Novel Finite Element Analysis Model for Improved Orthognathic Surgical Techniques07:16

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Plastic Deformations01:14

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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...
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Plastic Deformations of Members with a Single Plane of Symmetry01:21

Plastic Deformations of Members with a Single Plane of Symmetry

When a structural member undergoes plastic deformation due to bending, it is crucial to understand the position of the neutral axis and the stress distribution. This member, characterized by a single plane of symmetry, exhibits a uniform stress distribution, with negative stress above the neutral axis and positive stress below. Notably, the neutral axis does not align with the centroid of the cross-section. This misalignment is typical in cases where the cross-section is not rectangular or...
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Maximum Deflection01:13

Maximum Deflection

When analyzing beams under unsymmetrical loads, such as a train moving on a bridge, it is crucial to accurately determine the points of maximum stress and deflection. The process involves identifying the maximum deflection of the beam, which may not always occur at its midpoint due to the uneven distribution of the load.
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Yield Criteria for Ductile Materials under Plane Stress

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General Case of Eccentric Axial Loading01:12

General Case of Eccentric Axial Loading

Unsymmetrical bending occurs when the bending moment applied to a structural member does not align with its principal axis. This misalignment leads to complex stress distributions and deflection patterns that differ from symmetrical bending, which are essential for designing structures to withstand different loading conditions.
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