Medical electrode and system for minimizing motion artifacts
    1.
    发明授权
    Medical electrode and system for minimizing motion artifacts 失效
    用于最小化运动伪影的医用电极和系统

    公开(公告)号:US4311152A

    公开(公告)日:1982-01-19

    申请号:US3109

    申请日:1979-01-15

    摘要: A medical electrode and skin preparation device is adapted to be secured to the skin and is designed to prepare the skin by penetration of the epidermal layer of the skin in contact with the electrical conductor of the electrode after the electrode is secured in place on the skin. The electrode includes abrading member associated with electrical conductor capable of transmitting biopotential events for recording, with the electrical conductor retained by a collar and adhesive-coated pad securing the electrode to the skin of the patient. The abrading member in contact with the skin is movable relative to the skin of the patient and collar by an applicator gun to penetrate the epidermal layer of skin after the electrode is placed on the skin. Uniform skin preparation achieved by the electrode and applicator gun minimizes motion artifacts arising from skin potential variations.

    摘要翻译: 医用电极和皮肤制备装置适于固定在皮肤上,并被设计成在电极被固定在皮肤上的适当位置之后通过皮肤表皮层的渗透与电极的导电体接触来制备皮肤 。 电极包括与能够传输用于记录的生物潜在事件的电导体相关联的研磨部件,其中电导体由轴环保持并且将粘合剂涂覆的垫将电极固定到患者的皮肤。 与皮肤接触的研磨部件可以通过施加器枪相对于患者的皮肤和颈圈移动,以在将电极放置在皮肤上之后穿透皮肤表皮层。 通过电极和涂抹器枪实现的均匀皮肤准备使皮肤电位变化引起的运动伪影最小化。

    Dual-lumen fistula needle
    2.
    发明授权
    Dual-lumen fistula needle 失效
    双腔瘘针

    公开(公告)号:US4675004A

    公开(公告)日:1987-06-23

    申请号:US723802

    申请日:1985-04-16

    IPC分类号: A61M5/158 A61M25/00 A61M5/00

    CPC分类号: A61M5/1582 A61M2025/0031

    摘要: A dual-lumen fistula needle for use in hemodialysis treatment. The needle has a gently tapered neck and is divided into arterial and venous lumens by a center septum which is bonded in place. The septum is formed so that the lumens have substantially equal cross sections substantially throughout the length of the needle to promote equal flow rates in the lumens. The diameter of the needle at the tip is similar to that of single-lumen needles in order to reduce discomfort on insertion.

    摘要翻译: 用于血液透析治疗的双腔瘘针。 针头有一个轻轻的锥形颈部,并通过中间隔膜分成动脉和静脉内腔,中间隔膜粘合就位。 隔膜形成为使得内腔基本上在针的整个长度上具有基本上相等的横截面,以促进腔内的相等流速。 针头的直径与单针针的直径相似,以减少插入时的不适。

    Double lumen catheter tip
    3.
    发明授权
    Double lumen catheter tip 失效
    双腔导管尖端

    公开(公告)号:US4543087A

    公开(公告)日:1985-09-24

    申请号:US551102

    申请日:1983-11-14

    IPC分类号: A61M5/158 A61M25/00 A61M5/00

    摘要: A double lumen catheter having a fluid intake lumen and fluid return lumen of equal cross-sectional area, separated by an internal divide wherein blood flow characteristics are increased and maintained in a continuous fashion by a series of apertures positioned on both the intake side and return side of the catheter is disclosed. The apertures are in such position and configuration that they communicate with one another to prevent the accumulation of fibrin or other matter within the lumens as fluid enters into or exits from those lumens.

    摘要翻译: 一种具有相等横截面积的流体入口腔和流体回流管腔的双腔导管,其被内部分隔分隔,其中血流特性通过位于吸入侧和返回两端的一系列孔连续地增加并保持 公开了导管的一侧。 孔处于这样的位置和构型,使得它们彼此连通以防止当流体进入或离开那些腔时纤维蛋白或其它物质在腔内积聚。