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SHARPOINT NEEDLE
专利权人:
发明人:
申请号:
EP03808130.3
公开号:
EP1545329B1
申请日:
2003.10.02
申请国别(地区):
EP
年份:
2012
代理人:
摘要:
A surgical needle includes an elongated needle body defining a longitudinal axis, and having a main shaft, a needle end adjacent the main shaft, and a needle tip extending from the needle end and having an extreme needle point. The needle end includes a plurality of concave surfaces extending from the needle tip to the main shaft. The needle tip includes a plurality of concave surfaces extending from the needle point to intersect the concave surfaces of the needle end. The concave surfaces of the needle end are obliquely arranged relative to the longitudinal axis at a first angle. The concave surfaces of the needle tip are obliquely arranged relative to the longitudinal axis at a second angle greater than the first angle. The elongated needle body includes cutting edges disposed along lines of intersection of the concave surfaces of the needle end with the concave surfaces of the needle tip. The needle end includes four intersecting concave surfaces and defines a generally diamond-shape in cross-section along an axis transverse to the longitudinal axis. The needle end defines a maximum cross-sectional dimension greater than a corresponding maximum cross-sectional dimension of the main shaft. The needle tip may include four intersecting concave surfaces and define a general diamond shape cross-section.Linvention concerne une aiguille chirurgicale présentant un corps daiguille allongé, définissant un axe longitudinal et pourvu dune tige principale, une extrémité daiguille adjacente à la tige principale ainsi quune pointe daiguille, sétendant de lextrémité daiguille et présentant un point daiguille extrême. Ladite extrémité daiguille présente une pluralité de surfaces concaves sétendant de la pointe de laiguille à la tige principale. Cette pointe daiguille présente une pluralité de surfaces concaves sétendant du point daiguille jusquà rencontrer les surfaces concaves de lextrémité daiguille. Les surfaces concaves de cette extrémité daiguille sont inclinées dun premier
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