| 摘要 |
FIELD: medical engineering. ^ SUBSTANCE: device has straight raspatory and has polyhedral conic handle having rounded thickening base. Blade has 20 mm wide end face and one of lateral working surfaces concave with an sharpening angle between them reaching 60°. The angle is of double-edged type. ^ EFFECT: reduced risk of postoperative complications. ^ 2 cl, 2 dwg |
