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    • 4. 发明申请
    • COATED CANNULA WITH PROTECTIVE TIP FOR INSERTION INTO A PATIENT
    • 具有用于插入患者的保护性提示的涂覆的肛门
    • WO2008073791A3
    • 2008-08-21
    • PCT/US2007086569
    • 2007-12-06
    • WARSAW ORTHOPEDIC INCRICE ROBERT BPOND JOHN D
    • RICE ROBERT BPOND JOHN D
    • A61M25/00
    • A61M25/065A61M25/0662A61M2025/0656
    • The present application is directed to a cannula for insertion into a patient. The cannula includes a first distal section and a second proximal section with a hollow interior extending through each. The first section is positioned distally of the second section and includes a larger outer diameter. A coating is applied to the second section. An outer diameter of the coating is smaller than or equal to the outer diameter of the first section. This design prevents the coating from detaching from the second section during insertion of the cannula into the patient. In one embodiment, the cannula acts as a guide for inserting the coating into the patient and the first section protects the leading edge of the coating.
    • 本申请涉及用于插入患者体内的套管。 套管包括第一远端部分和第二近端部分,其中延伸穿过每个远端部分具有中空内部。 第一部分位于第二部分的远侧并且包括更大的外径。 将涂层施加到第二部分。 涂层的外径小于或等于第一部分的外径。 这种设计防止了在将套管插入患者体内时,涂层从第二部分脱离。 在一个实施例中,套管用作用于将涂层插入患者体内的引导件,并且第一部分保护涂层的前缘。