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Biomedical subjects

F Burny

Publications and source records attributed to F Burny.

At least 55 records · Page 3Linked to original sources
PubMed1988

External fixation of the clavicle for fracture or non-union in adults.

A technique of osteosynthesis of the clavicle with Hoffmann external fixation was used to treat twenty patients for selected indications, including an open fracture, inability of a patient to tolerate prolonged conservative treatment, or a painful non-union. No vascular or pleural complication was observed. The average time that the external fixator was retained was fifty-one days. All of the clavicles united well. Mobility of the shoulder returned to normal in all patients.

Clavicle↗
PubMed1987

External fixation pin: an in vitro general investigation.

Surgical drilling and pin insertion can lead to mechanical and thermic damage of the bone. A methodology giving reproducible in vitro records of insertion and holding parameters of threaded implants is presented. Both drilling and tapping are related to the cutting technology. To understand the basic principles of the cutting technology some important parameters of drilling and tapping of an external fixation pin are defined. A bone model was selected based on specific mechanical and thermal properties of the bone tissue. In addition, a specific instrumentation was designed in order to compare the insertion characteristics and the anchorage of different pins. Electronic scanning microscopy of the samples was systematically performed to evaluate the quality of the bone thread. The in vitro measurements of the shearing torque and the pull-out force are representative of the immediate holding power of a pin. The different holding parameters were then correlated. Temperature measurements were performed during drilling, smooth part penetration (transfixing pins), tapping, and screwing. The final objective of the study was to develop new threaded implants with better biomechanical characteristics.

Biomechanical Phenomena↗
PubMed1985

[Complications following talus trauma].

The injuries of the talus are rare. In this retrospective study, complications of 359 talar lesions are studied. Secondary displacement occurred in 8%. Bone infection remained low in spite of frequent primary skin injury (20%). Bone fusion was slow but no case of non-union could be found. Avascular necrosis of the body or of the trochlea occurred in 33% but could be partially prevented by accurate reduction of the fractured bone. Osteoarthritis occurred in 33%.

Adult↗
PubMed1984

[Synoviosarcoma: presentation of a case and review of the literature].

Synovial sarcoma is a rare tumour. The diagnosis is difficult because of the lack of typical clinical symptoms and microscopy can be controversial. The prognosis is bad. A case is described in a woman aged 63 who presented previously with osteopoikilosis without clinical signs. The sarcoma was situated at the knee and was at first confused with a degenerative arthritis. The patient died despite secondary amputation. After study of the literature the authors conclude that the prognosis may be improved by early diagnosis.

Adolescent↗