Medical device including tube having a braid and an expanded coil
    22.
    发明授权
    Medical device including tube having a braid and an expanded coil 有权
    医疗装置包括具有编织物和扩张线圈的管

    公开(公告)号:US06939337B2

    公开(公告)日:2005-09-06

    申请号:US09905017

    申请日:2001-07-13

    Abstract: A medical device (10) including a tube (11) having a highly uniform and repeatable inner and outer diameter, the tube (11) possessing good trackability, pushability and torquability, and the tube (11) being highly resistant to collapse, necking or kinking during use. The tube (11) first includes a metal coil (14) in a stressed, radially expanded condition, the metal coil (14) preferably being formed as a flat wire. The tube (11) also includes a metal braid (16) extending over at least part of the coil (14). The tube (11) further includes a polymeric bonding layer (18) positioned over and contacting at least the coil (14). The polymeric layer (18) is preferably heat-shrinkable shrinkable tubing made of one or more of nylon or polyurethane. The tube (11) optionally includes an inner liner (20) beneath and in contact with at least part of the coil (14), the liner (20) preferably being composed of PTFE. The polymeric layer (18) maintains the coil (14) in its stressed, radially expanded condition, for example, by adhesion to the coil (14) (such as by thermal bonding to it).

    Abstract translation: 一种医疗装置(10),其包括具有高度均匀且可重复的内径和外径的管(11),所述管(11)具有良好的跟踪性,推挤性和扭矩,并且管(11)具有高度抗崩溃,颈缩或 使用中扭结。 管(11)首先包括处于应力的径向膨胀状态的金属线圈(14),金属线圈(14)优选地形成为扁线。 管(11)还包括在线圈(14)的至少一部分上延伸的金属编织物(16)。 管(11)还包括位于至少线圈(14)上并与其接触的聚合物粘合层(18)。 聚合物层(18)优选是由尼龙或聚氨酯中的一种或多种制成的热收缩性可收缩管。 管(11)任选地包括在线圈(14)的至少一部分下方并与其接触的内衬(20),衬垫(20)优选地由PTFE构成。 聚合物层(18)例如通过与线圈(14)的粘附(例如通​​过热粘合)将线圈14维持在其受应力的径向膨胀状态。

    Internal restraint for delivery of self-expanding stents
    26.
    发明申请
    Internal restraint for delivery of self-expanding stents 有权
    自我扩张支架的内部限制

    公开(公告)号:US20050143773A1

    公开(公告)日:2005-06-30

    申请号:US11028808

    申请日:2005-01-03

    Abstract: A medical device delivery system comprises a catheter having a catheter shaft with a proximal region and a distal region. The catheter shaft has a pull wire lumen therein. An expandable medical device is disposed about medical device receiving region of the catheter shaft. The expandable medical device has a reduced configuration and an expanded configuration. The system further comprises a retractable retaining wire, at least a portion of which is coiled about the expandable medical device and retains the expandable medical device in the reduced configuration. One end of the retractable retaining wire terminates in a pull-wire. The pull-wire extends into the pull-wire lumen to the proximal region of the catheter shaft.

    Abstract translation: 医疗装置输送系统包括具有导管轴的导管,其具有近端区域和远端区域。 导管轴在其中具有拉丝腔。 可扩张医疗装置设置在导管轴的医疗装置接收区域周围。 可扩展医疗设备具有减小的配置和扩展配置。 该系统进一步包括可缩回保持线,其至少一部分围绕可扩张医疗装置卷绕并将可扩张医疗装置保持在减小的构型。 可伸缩保持线的一端终止于拉线。 拉线延伸到拉线管腔到导管轴的近端区域。

    Medical materials sterilized by radiation and their ways in use
    27.
    发明授权
    Medical materials sterilized by radiation and their ways in use 失效
    用辐射消毒的医疗材料及其使用方法

    公开(公告)号:US06897245B2

    公开(公告)日:2005-05-24

    申请号:US10135122

    申请日:2002-04-30

    Applicant: Shokyu Gen

    Inventor: Shokyu Gen

    Abstract: Present invention provides medical material sterilized by radioisotope, comprising polymer composite using in living body, containing multifunctional triazine compounds at weight ratio range of 0.01 to 20 weight percent to the polymer.The present invention shows the fabrication of polymer composite having good heat and radiation resistance, by preventing heat molding record and irradiation on sterilized processes from deteriorating molecular weight caused on heat and radiation decomposition of the polymer. It is possible that the polymer composite is applied for the medical field of decomposable and bio-absorbable polymers and even bio-nonabsorbent polymers such as suture of operation or bonding agent for broken bone as a result. Furthermore, it is possible that the polymer composite is applied for not only medical material but also food wrapping material of industrial use.

    Abstract translation: 本发明提供了通过放射性同位素灭菌的医疗材料,其包含在生物体中使用的聚合物复合物,其含有与聚合物重量比为0.01〜20重量%的多官能三嗪化合物。 本发明通过防止热成型记录和灭菌过程中的照射由聚合物发热和辐射分解引起的分子量恶化而显示出具有良好的耐热和耐辐射性的聚合物复合材料的制造。 可能的是,聚合物复合材料可用于可分解和生物可吸收的聚合物的医疗领域,甚至可用于生物非吸收性聚合物,例如用于断骨的操作缝合或粘合剂。 此外,聚合物复合材料不仅可以应用于医疗材料,还可以应用于工业用的食品包装材料。

    Medical device formed of ultrahigh molecular weight polyolefin
    28.
    发明授权
    Medical device formed of ultrahigh molecular weight polyolefin 失效
    由超高分子量聚烯烃形成的医疗器械

    公开(公告)号:US06890395B2

    公开(公告)日:2005-05-10

    申请号:US10438525

    申请日:2003-05-15

    Abstract: Medical devices having at least a component, such as a catheter balloon, stent cover and vascular graft, formed of ultrahigh molecular weight polyolefin, such as ultrahigh molecular weight polyethylene. The device component is formed from ultrahigh molecular weight polyethylene that has been processed so that it is microporous and has an oriented node and fibril structure. The device component expands compliantly at low strains and are substantially less compliant at higher strains. The invention also comprises methods for making such medical devices, including the steps of compacting a polyethylene powder and deforming it to impart the oriented structure.

    Abstract translation: 至少具有由超高分子量聚烯烃(例如超高分子量聚乙烯)形成的至少一种成分的医疗装置,例如导管球囊,支架盖和血管移植物。 该器件组件由超高分子量聚乙烯形成,该聚乙烯已被加工成微孔并具有取向的节点和原纤维结构。 器件部件在低应变下易于扩展,并且在较高应变下基本不太顺应。 本发明还包括制造这种医疗装置的方法,包括压制聚乙烯粉末并变形以赋予定向结构的步骤。

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