A vignette of personal experiences in World War II.
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England↗
Biomedical subjects
A J Helfet
Publications and source records attributed to A J Helfet.
The helicoid knee brace: a lightweight but effective support for the damaged knee.
A lightweight helicoid knee brace is described. It allows the knee to flex and extend freely in its natural pattern of movement, while absorbing valgus/varus stresses and preventing untoward rotational motion. This brace is suitable for supporting the damaged knee joint during sporting activity. Many knees disabled by post-traumatic arthritis are enabled to resume comfortable participation in golf, bowls and gardening. Over 150 patients have used the brace with satisfying results for the following indications: (i) instability due to sports and athletic injuries 93 (+/- 60 per cent) (ii) convalescence after injury or operation 12 (+/- 10 per cent). (iii) pain in the middle-aged arthritic knee where instability is usually part of the problem 45 (+/- 30 per cent).
Braces↗
Letter: Considerations in the arrest of osteoarthritis of the hip and knee.
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Hip↗
Irregularity of distal medial femoral epiphysis (Caffey). Direct observation at surgery four years later.
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Child↗
An ultrastructural study of normal young adult human articular cartilage.
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Adolescent↗
Arrest ofsteoarthritis of the hip by displacement-derotation osteotomy.
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Female↗