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Trephine set for biopsy of the thoracic spine

Published byHengki Atmadjaja Modified over 6 years ago

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Presentation on theme: "Trephine set for biopsy of the thoracic spine"— Presentation transcript:

1 Trephine set for biopsy of the thoracic spine
Trephine set for biopsy of the thoracic spine. 1 = fine needle (external diameter, 1.5 mm); 2 = rigid guidewire (length, 32 cm); 3 = graduated external sheath (external diameter, 2.8 mm); 4 = hollow intermediate piece with handle; 5 = serrated cannula (inte... Trephine set for biopsy of the thoracic spine. 1 = fine needle (external diameter, 1.5 mm); 2 = rigid guidewire (length, 32 cm); 3 = graduated external sheath (external diameter, 2.8 mm); 4 = hollow intermediate piece with handle; 5 = serrated cannula (internal diameter, 1.6 mm; external diameter, 2.2 mm); 6 = obturator. In the set for biopsy of the lumbar spine, the rigid guidewire is 40 cm long. The graduated external sheath has an external diameter of 4 mm, and the serrated cannula, an internal diameter of 2.2 mm Laurent Pierot, and Anne Boulin AJNR Am J Neuroradiol 1999;20:23-25 ©1999 by American Society of Neuroradiology

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