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    • 1. 发明授权
    • Catheter
    • 导管
    • US5464398A
    • 1995-11-07
    • US66142
    • 1993-07-23
    • Hans Haindl
    • Hans Haindl
    • A61M25/00A61M25/14A61M3/00
    • A61M25/0026A61M2025/0025A61M2025/0035A61M25/003
    • A catheter (1, 18) is essentially rigid in cross-section in the peripheral region, and has at least two lumina (3, 4, 19, 20), which are mutually separated by a wall (2, 21) which can be expanded and/or deformed in the transverse plane. The flow cross-sections of the lumina change owing to the deformation of the separating wall (2, 21), depending on the prevailing differential pressure. If drugs are introduced through the lumina one after another, then there is used, in the lumen, an over pressure in relation to the other lumen or lumina, which causes a deformation of the separating wall (2, 21), and hence a reduction in the resistance to flow. The catheter (24) can, therefore, be given a smaller cross-section than that of the prior art multi-lumen catheters (32, 33, 34), resulting in easier manipulation by the doctor and less risk for the patient.
    • PCT No.PCT / EP91 / 02071 Sec。 371日期:1993年7月23日 102(e)日期1993年7月23日PCT 1991年4月11日PCT PCT。 出版物WO92 / 09326 日期:1992年6月11日。导管(1,18)在周边区域中基本上是刚性的横截面,并且具有至少两个由壁(3,4,19,20)相互隔开的腔室(3,4,19,20) 2,21),其可以在横向平面中膨胀和/或变形。 由于分隔壁(2,21)的变形,腔的流动横截面根据当前的差压而改变。 如果药物一个接一个地通过管腔引入,那么在内腔中使用相对于另一个内腔或腔的过度压力,这导致分隔壁(2,21)的变形,并因此减少 在阻力流动。 因此,导管(24)可以具有比现有技术的多腔导管(32,33,34)的横截面更小的横截面,导致更容易由医生操纵并且对患者的风险较小。
    • 2. 发明授权
    • Safety connector for infusion therapy
    • 输液治疗用安全连接器
    • US5695478A
    • 1997-12-09
    • US403915
    • 1995-03-16
    • Hans Haindl
    • Hans Haindl
    • A61M39/02A61M5/14A61M39/24A61M5/00
    • A61M5/1408A61M39/24A61M2039/242A61M2039/2433A61M2039/246A61M2039/2493Y10S128/12Y10T137/7896Y10T137/87684
    • Safety connector for infusion therapy for supplying several lines and having a casing (1) in which there is a chamber (4) that is bordered by an essentially cylindrical inside wall (5) of the casing into which several connecting channels (2) for joining infusion lines open and which has an outlet channel (9) for attaching an outlet line. The cylindrical outside wall of an elastic ring-shaped valve body is in contact with the inside wall (5) of casing (1) that surrounds chamber (4). The safety connector is simple and inexpensive and has an uncomplicated design. The cylindrical contact surfaces between the ring-shaped valve body and the cylindrical inside wall (5) surrounding chamber (4) result in a good seal for the non-return valves even at a low contact pressure. The sealing force can be determined even down to a very low pressure. Thus, for the first time a safety connector suitable for gravity infusion systems is available.
    • PCT No.PCT / EP93 / 02049 Sec。 371日期1995年3月16日 102(e)1995年3月16日PCT PCT 1993年7月31日PCT公布。 公开号WO94 / 06489 日期1994年3月31日用于输液治疗的安全连接器,用于供应多条线并具有壳体(1),其中存在由壳体的基本上圆柱形的内壁(5)界定的腔室(4),多个连接通道 (2),用于连接输注管线,并具有用于附接出口管线的出口通道(9)。 弹性环状阀体的圆筒形外壁与围绕室(4)的壳体(1)的内壁(5)接触。 安全连接器简单,价格便宜,设计简单。 环形阀体和围绕室(4)的圆柱形内壁(5)之间的圆柱形接触表面即使在低接触压力下也能为止回阀提供良好的密封。 密封力甚至可以确定到非常低的压力。 因此,首次可以使用适合重力输注系统的安全连接器。
    • 3. 发明授权
    • Port catheter
    • 端口导管
    • US5688247A
    • 1997-11-18
    • US356385
    • 1994-12-20
    • Hans HaindlStephan Langenfeld
    • Hans HaindlStephan Langenfeld
    • A61M37/00A61M5/00A61M25/04A61M39/02
    • A61M25/04A61M39/0208A61M2039/0223A61M2039/0232
    • A port catheter, designed to be implanted by puncturing, has a cylindrical casing (1) in which there is a chamber (22) dosed off on one side by a membrane (4) which can be punctured by an injection needle and connectable on the other side to a catheter (8). Securing loops (9, 10) project from the casing (1) and can be folded together by special means during insertion and unfold when the means are released. The securing loops (9, 10) are made of spring wire surrounding the casing (1) at two separate points. The securing loops (9, 10) are thus relatively stiff in the securing direction but can be bent circumferentially about the casing (1) and held in this position for implantation.
    • PCT No.PCT / EP93 / 01441 Sec。 371日期1994年12月20日第 102(e)1994年12月20日日期PCT提交1993年6月8日PCT公布。 第WO94 / 00177号公报 日期1994年1月6日一种设计为通过穿刺植入的端口导管,具有圆柱形壳体(1),其中有一个室(22)在一侧由膜(4)排出,可以通过注射 针头,另一侧可连接到导管(8)。 固定环(9,10)从壳体(1)突出,并且可以在插入期间通过特殊装置折叠在一起,并且在装置被释放时展开。 固定环(9,10)由在两个分开的位置围绕外壳(1)的弹簧线制成。 固定环(9,10)因此在固定方向上相对较硬,但可围绕壳体(1)周向地弯曲并保持在该位置用于植入。
    • 4. 发明授权
    • Anesthesia instrument
    • 麻醉仪
    • US5378241A
    • 1995-01-03
    • US81791
    • 1993-06-23
    • Hans Haindl
    • Hans Haindl
    • A61M19/00A61B17/34A61M25/08A61M5/178
    • A61B17/3401
    • An anesthesia instrument consists of a single lumen epidural cannula with a Touhy-type beveled aperture, an epidural catheter and a spinal cannula. The anesthesia instrument is characterized in that, the diameter or the cross-section of the epidural cannula is so dimensioned that, even with the epidural catheter positioned within the same, there is still sufficient space for the sliding through of a spinal cannula. In one form of the invention, marking means are provided to indicate at the proximal end of the epidural cannula, the position of the tip of the spinal cannula being inserted in the epidural cannula.
    • 麻醉仪器由单腔硬膜外插管和Touhy型斜切孔组成,硬膜外导管和脊柱套管组成。 麻醉仪器的特征在于,硬膜外插管的直径或横截面尺寸如此,使得即使硬膜外导管位于相同的内侧,仍然有足够的空间用于脊柱插管的滑动。 在本发明的一种形式中,提供标记装置以在硬膜外插管的近端处指示插入到硬膜外插管中的脊柱套管尖端的位置。
    • 6. 发明授权
    • Flexible coupling, in particular for coupling a flexible catheter to a
port of a port catheter system
    • 柔性联接,特别是用于将柔性导管连接到端口导管系统的端口
    • US5423776A
    • 1995-06-13
    • US204224
    • 1993-03-03
    • Hans Haindl
    • Hans Haindl
    • A61M39/00A61M39/12F16L33/22A61M25/00
    • A61M39/12F16L33/223F16L33/225A61M2039/1027A61M2039/1066Y10S604/905
    • Coupling for connecting an implantable port catheter to flexible catheter tubes of varying size and diameter. A rigid tapered tube extends from a port opening in the catheter system housing and the catheter tube slides onto the end of the rigid tube. A clamping sleeve having a bore larger than the outer diameter of the tube has a circular gripping shoulder which bites into the flexible tube as the tube and sleeve are pushed onto the tapered surface of the rigid tube extending from the port opening to clamp the flexible catheter tube firmly between the shoulder and the tapered surface. The distance between the gripping shoulder and the tapered tube is variable to accommodate the size of the flexible catheter tube.
    • PCT No.PCT / EP92 / 02038 Sec。 371日期1994年3月3日 102(e)1994年3月3日PCT PCT 1992年9月4日PCT公布。 出版物WO93 / 04733 日期1993年3月18日。将可植入端口导管连接到不同尺寸和直径的柔性导管上。 刚性锥形管从导管系统壳体中的开口延伸并且导管管滑动到刚性管的端部。 具有大于管的外径的孔的夹紧套筒具有圆形夹持肩部,当肩部被套在刚性管的锥形表面上时,该肩部咬入柔性管中,该锥形表面从端口开口延伸以夹紧柔性导管 牢固地套在肩部和锥形表面之间。 夹紧肩部和锥形管之间的距离是可变的,以适应柔性导管的尺寸。