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    • 2. 发明授权
    • Guide wire introducer
    • 导丝导引器
    • US06626869B1
    • 2003-09-30
    • US09508276
    • 2000-03-08
    • Stephen Bint
    • Stephen Bint
    • A61M5178
    • A61M25/09041A61B90/40A61M25/0612A61M25/0693
    • The present invention comprises a device for advancing a guide wire into a blood vessel of a patient, which comprises a housing from a distal end of which extends a needle hub support having a blood aspiration canal extending along its length; a syringe chamber located in the housing; a passageway extending between the blood aspiration canal and the syringe chamber for the passage therethrough of aspirated blood; a switch mounted for sliding movement along a surface of the housing and having attached thereto a cannula for movement therewith; the switch being formed with a through hole aligned with the cannula and the blood aspiration canal for the passage therethrough of a guide wire; the arrangement being such that movement of the switch towards the distal end of the housing will cause the cannula to block the passage of blood along the passageway between the blood aspiration canal and the syringe chamber.
    • 本发明包括用于将导丝推进到患者的血管中的装置,其包括从其远端延伸的具有沿其长度延伸的血液吸入管的针座支撑的壳体; 位于所述壳体中的注射器室; 在血液吸入管和注射器室之间延伸以用于吸入血液的通道的通道; 开关,其安装成沿着所述壳体的表面滑动并且具有与其一起移动的插管; 所述开关形成有与所述套管对准的通孔和所述血液吸入管,用于通过所述导丝; 该布置使得开关朝向壳体的远端的运动将导致套管阻塞血液沿着血液吸入管和注射器室之间的通道的通过。