发明名称 |
ORTHOPEDIC SCREW AND METHOD |
摘要 |
A screw, driving device, and method are provided for repairing a tissue injury of a patient, such as a meniscal tear in a knee or osteochondritis dissecans. The screw has a root, a distal section having a narrowing cross section toward the distal end, and a thread along at least a portion of the root between the proximal end and the distal end. Along a leading section extending from the distal end, the helical pitch is substantially constant; along a trailing section between the leading section and the root's proximal end, the helical pitch decreases. The substantially constant pitch along the leading section assists in preventing a stripping of the helical section. At the proximal end is a head having a diameter greater than a major root diameter of the central section. The head is for improving the tissue retention characteristics of the screw.
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申请公布号 |
WO0174262(A1) |
申请公布日期 |
2001.10.11 |
申请号 |
WO2001US40430 |
申请日期 |
2001.04.03 |
申请人 |
ETHICON, INC. |
发明人 |
JUSTIN, DANIEL, F.;FALLIN, THOMAS, WADE;WINTERS, THOMAS, F. |
分类号 |
A61B17/58;A61B17/00;A61B17/064;A61B17/86;F16B33/02;(IPC1-7):A61B17/86 |
主分类号 |
A61B17/58 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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