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    Catheter obturator with automatic feed and control
    2.
    发明授权
    Catheter obturator with automatic feed and control 失效
    导管闭塞器具有自动进料和控制

    公开(公告)号：US5064415A

    公开(公告)日：1991-11-12

    申请号：US568923

    申请日：1990-08-17

    申请人： Anthony J. Walder ,  Donald D. Solomon

    发明人： Anthony J. Walder ,  Donald D. Solomon

    IPC分类号： A61M25/00 ,  A61M25/01

    CPC分类号： A61M25/0113 ,  A61M25/0017

    摘要： An obturator is provided which allows for placing and withdrawing of a single catheter obturator over an extended period of time so as to allow spaced intervals of use, and non-use of a catheter while in place in the patient's skin, while at the same time doing away with cumbersome, costly and time consuming administration and maintenance of saline and heparin locks. The device feeds the obturator in place for occluding the catheter lumen, when no fluids are being administered to the patient, and then may be retracted to a position allowing fluid feed through a supply tube connection to the catheter. The device includes a coating on the obturator rod which swells in contact with aqueous fluids to seal completely the catheter lumen which coating includes heparin to prevent clotting. Moreover, the entire internal functioning arrangement remains sterile during the entire period of use, thus avoiding infection.

    摘要翻译： 提供了一种闭孔器，其允许在延长的时间段内放置和取出单个导管闭塞器，以允许间隔的使用间隔，并且在同时在患者皮肤中的适当位置时不使用导管 消除麻醉，昂贵和耗时的盐水和肝素锁的管理和维护。 当没有向患者施用流体时，该装置将闭塞器馈送到适当位置以封闭导管腔，然后可以缩回至允许流体通过与导管连接的供应管的位置。 该装置包括在封闭杆上的涂层，其与水性流体接触膨胀以完全密封导管腔，该涂层包括肝素以防止凝血。 此外，整个内部功能安排在整个使用期间保持不育，从而避免感染。

    Catheter obturator with automatic feed and control
    3.
    发明授权
    Catheter obturator with automatic feed and control 失效
    导管闭塞器具有自动进料和控制

    公开(公告)号：US4976697A

    公开(公告)日：1990-12-11

    申请号：US427422

    申请日：1989-10-26

    申请人： Anthony J. Walder ,  Donald D. Solomon ,  Richard W. Beck ,  James M. Lambert ,  Timothy Ignatius ,  Mark Crawford

    发明人： Anthony J. Walder ,  Donald D. Solomon ,  Richard W. Beck ,  James M. Lambert ,  Timothy Ignatius ,  Mark Crawford

    IPC分类号： A61M25/00 ,  A61M25/01

    CPC分类号： A61M25/0017 ,  A61M25/0113

    摘要： An obturator is provided which allows for placing and withdrawing of a single catheter obturator over an extended period of time so as to allow speed intervals of use, and non-use of a catheter while in place in the patient's skin, while at the same time doing away with cumbersome, costly and time consuming administration and maintenance of saline and heparin locks. The device feeds the obturator in place for occluding the catheter lumen, when no fluids are being administered to the patient, and then may be retracted to a position allowing fluid feed through a supply tube connection to the catheter. The device includes a coating on the obturator rod which swells in contact with aqueous fluids to seal completely the catheter lumen which coating includes heparin to prevent clotting. Moreover, the entire internal functioning arrangement remains sterile during the entire period of use, thus avoiding infection.

    摘要翻译： 提供了一种闭孔器，其允许在延长的时间段内放置和取出单个导管闭塞器，以允许使用速度间隔，并且在同时在患者皮肤中就位时不使用导管 消除麻醉，昂贵和耗时的盐水和肝素锁的管理和维护。 当没有向患者施用流体时，该装置将闭塞器馈送到适当位置以封闭导管腔，然后可以缩回至允许流体通过与导管连接的供应管的位置。 该装置包括在封闭杆上的涂层，其与水性流体接触膨胀以完全密封导管腔，该涂层包括肝素以防止凝血。 此外，整个内部功能安排在整个使用期间保持不育，从而避免感染。

    Anti-infective medical article and method for its preparation
    4.
    发明授权
    Anti-infective medical article and method for its preparation 失效
    抗感染药物及其制备方法

    公开(公告)号：US5848995A

    公开(公告)日：1998-12-15

    申请号：US44674

    申请日：1993-04-09

    申请人： Anthony J. Walder

    发明人： Anthony J. Walder

    IPC分类号： A61L27/54 ,  A61L29/08 ,  A61L29/16 ,  A61L31/16 ,  A61M25/00

    CPC分类号： A61L31/16 ,  A61L27/54 ,  A61L29/085 ,  A61L29/16 ,  A61L2300/104 ,  A61L2300/404 ,  A61L2300/608 ,  A61M2025/0056 ,  A61M25/0017

    摘要： An anti-infective medical article comprises a hydrophilic polymer having silver chloride bulk distributed therein. The hydrophilic polymer containing silver chloride may be a laminate over a base polymer. A method for making the article includes contacting the hydrophilic polymer with a solution of a soluble silver salt followed by a solution of a soluble chloride to give silver chloride bulk distributed throughout the polymer matrix. The polymer containing silver chloride may then be melt processed, such as by extruding or coextruding with the base polymer.

    摘要翻译： 抗感染性医疗用品包括其中分散有氯化银的亲水性聚合物。 含有氯化银的亲水性聚合物可以是在基础聚合物上的叠层。 制造该制品的方法包括使亲水性聚合物与可溶性银盐的溶液接触，然后与可溶性氯化物溶液接触，得到整个聚合物基质中分散的氯化银。 然后可以将含有氯化银的聚合物熔融加工，例如通过与基础聚合物挤出或共挤出。