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    • 3. 发明授权
    • Intramedullary catheter
    • 髓内导管
    • US4772261A
    • 1988-09-20
    • US8874
    • 1987-01-29
    • Daniel D. Von HoffJohn G. KuhnPaul W. LeightonHoward M. Wakeman
    • Daniel D. Von HoffJohn G. KuhnPaul W. LeightonHoward M. Wakeman
    • A61B17/68A61B17/86A61M37/00A61M25/00
    • A61B17/864A61B17/68A61M37/00
    • An intramedullary catheter is provided which is attached to a bone to permit the infusion of drugs, fluids, or the like, directly into the bone marrow for subsequent dispersion to the vascular system. The present invention contemplates an intramedullary catheter, method of implanting such a catheter, and a method of fluid delivery to the vascular system through the bone marrow. The intramedullary catheter preferably includes a threaded conduit, a head attached to one end of the conduit, and a sealing membrane in the head overlying the conduit. The intramedullary catheter is implanted in a bone, such as the iliac crest, with the conduit threadingly engaging the bone and the surrounding skin closed over the head and membrane. Fluids are delivered by inserting a needle through the membrane into communication with the conduit for transport to the bone marrow. The present invention is particularly appropriate for patients who require long-term administration of medications as an alternative to intravenous delivery.
    • 提供了一种髓内导管,其连接到骨以允许将药物,流体等直接注入骨髓中,以便随后分散到血管系统。 本发明考虑到髓内导管,植入这种导管的方法,以及通过骨髓向血管系统输送液体的方法。 髓内导管优选地包括螺纹导管,附接到导管的一端的头部和头部中覆盖导管的密封膜。 髓内导管植入骨骼,如髂嵴,导管螺纹接合骨骼,周围皮肤封闭在头部和膜上。 通过将针穿过膜与导管连通以输送到骨髓来输送流体。 本发明特别适用于需要长期施用药物作为静脉内递送替代物的患者。