OrthopaedicPrinciples.com

Integrating Principles and Evidence

Integrating Principles and Evidence

-FRCS(Tr and Orth) tutorials

S N Curve of Biomaterials

Courtesy: Harry Benjamin Laing MRCS, Ortho M8, FRCS(Tr and Orth) tutorials S N Curve of Biomaterials

Articular Cartilage Anatomy

? Courtesy: Harry Benjamin Laing MRCS, Ortho M8, FRCS(Tr and Orth) Tutorials Articular cartilage Contents Chondrocytes(5%)- synthesis, homeostasis and maintenance of cartilage Extra cellular matrix(95%) Layers SUPERFICIAL ZONE (TANGENTIAL ZONE)-more water and collagen, less proteoglycan INTERMEDIATE ZONE DEEP ZONE- more proteoglycan TIDEMARK CALCIFIED ZONE-Round chondrocytes buried in calcium matrix that has a high concentration of […]

Safe zones for Halo pin Placement

Courtesy: Harry Benjamin Laing MRCS, Ortho M8, FRCS(Tr and Orth) Tutorials Historical Background The concept of halo traction can be traced back to ancient Egypt. Its modern application for spinal deformity correction was revived in 1971 by Pierre Stagnara. Halo gravity traction was reintroduced as a safe and effective method for managing severe thoracic kyphoscoliosis. […]

What is Hysteresis?

Courtesy: Harry Benjamin Laing MRCS, Ortho M8, FRCS(Tr and Orth) Tutorials,

Blood supply of femoral Head

? Courtesy: Harry Benjamin Laing MRCS, Ortho M8, FRCS(Tr and Orth) Tutorials There are three sources: Capsular vessels intramedullary vessels contribution from the ligamentum teres. In the adult the most important source of femoral head blood supply is derived from the capsular vessels. These vessels arise from the medial and lateral circumflex femoral arteries, which […]