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The flat pulling wire the steering bull catheter which possesses the using and braided flat wire-made torque transfer layer
The flat pulling wire the steering bull catheter which possesses the using and braided flat wire-made torque transfer layer
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机译:具有使用和编织扁线制成的扭矩传递层的扁拉线转向牛导管
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摘要
A catheter assembly includes an inner liner made of flexible material and an outer layer having a steering mechanism. The steering mechanism includes at least one flat wire and a corresponding lumen through which the flat wire may travel. The steering mechanism may also include at least one pull ring to which the flat wires are attached. A layer of heat shrink material may encompass the outer layer. A braided wire assembly may also be provided in the outer layer, and may be formed by braiding a plurality of flat wires into a wire mesh. The overall cross-section of the catheter assembly is preferably substantially circular. A catheter shaft may include a plurality of segments of differing hardness characteristics. The outer layer typically comprises a melt processing polymer such that the catheter assembly may be laminated using heat.
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