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    • 1. 发明授权
    • Single piece hub/strain relief that can be injection molded over a shaft
    • 可以在轴上注塑成型的单件轮毂/应变消除装置
    • US6068622A
    • 2000-05-30
    • US21682
    • 1998-02-10
    • Ghaleb A. SaterJeffrey J. WittsRaymond P. Knox
    • Ghaleb A. SaterJeffrey J. WittsRaymond P. Knox
    • A61M25/00A61M25/06
    • A61M25/0009A61M25/0014A61M2025/0098A61M25/0662
    • Medical vascular catheters adapted to be inserted into a blood vessel from an incision through the skin of a patient for introducing other devices or fluids for diagnostic or therapeutic purposes into the patient's vasculature and manufacturing methods are disclosed. The catheters have a unitary catheter hub and strain relief formed at the proximal end of the catheter body for attachment to other apparatus and for inhibiting kinking of the catheter body. The unitary catheter hub and strain relief is formed of a proximal hub portion and a distal strain relief coil surrounding the catheter body in a catheter hub/body junction. The distal strain relief coil is shaped as a distally tapered, single coil to provide distally increasing flexibility and uniform bending characteristics in 36.degree. around the circumference of the catheter body received within the within the strain relief coil lumen. The strain relief coil is optionally formed with blends of materials selected to distally increase the distal strain relief bending flexibility.
    • 公开了适于从切口穿过患者皮肤插入血管的医用血管导管,用于将用于诊断或治疗目的的其它装置或流体引入患者的脉管系统和制造方法中。 导管具有在导管主体的近端处形成的整体导管毂和应变消除装置,用于附接到其他装置并且用于防止导管主体的扭结。 整体式导管毂和应变消除由近端毂部分和围绕导管主体的导管套管/身体结合处的远端应变消除线圈形成。 远端应变消除线圈成形为远端锥形单线圈,以在应变消除线圈腔内部接收的导管体周围36度周围提供远端增加的柔性和均匀的弯曲特性。 应变消除线圈任选地由选择为远端增加远端应变消除弯曲柔性的材料的共混物形成。