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    • 22. 发明授权
    • Magnetic anatomical marker and method of use
    • 磁解剖标记及使用方法
    • US06173715B1
    • 2001-01-16
    • US09259222
    • 1999-03-01
    • Mika N. SinananChristopher P. SomogyiRobert N. GoldenFred E. SilversteinAndrei J. Gonzales
    • Mika N. SinananChristopher P. SomogyiRobert N. GoldenFred E. SilversteinAndrei J. Gonzales
    • A61B1900
    • A61B90/39A61B2017/00004A61B2090/3937A61B2090/3954A61B2090/3987
    • An anatomical marker uses a permanent magnet to indicate a selected location within a patient. The magnet is enclosed within a non-degradable envelope and is coupled to a retention member that is preferably manufactured from a biodegradable material, such as a polyglucuronic acid based material. The retention member may include one or more barbs to retain the anatomical marker in the selected location. An insertion tool, usable with an endoscope, can insert the anatomical marker. A retention magnet is fixedly attached to the insertion tool and holds the anatomical marker in place due to the attractive magnetic forces between the retention magnet and the marker magnet in the non-biodegradable envelope. When the anatomical marker is securely fastened at the selected location in the patient, the forces exerted by the patient's body on the retention member exceed the attractive magnetic forces between the retention magnet and the magnet in the envelope, thus causing the anatomical marker to be released from the insertion tool. The location of the magnet may be subsequently detected using a magnetic detector system.
    • 解剖标记使用永磁体来指示患者内的选定位置。 磁体被封闭在不可降解的外壳内,并且联接到优选由生物可降解材料制成的保持构件,例如聚葡糖醛酸基材料。 保持构件可以包括一个或多个倒钩以将解剖标记保持在所选择的位置。 可用于内窥镜的插入工具可以插入解剖标记。 保持磁体固定地附接到插入工具,并且由于在不可生物降解的外壳中的保持磁体和标记磁体之间的有吸引力的磁力将解剖标记保持在适当位置。 当解剖标记被牢固地固定在患者的所选位置时,患者身体施加在保持构件上的力超过保持磁体和外壳中的磁体之间的有吸引力的磁力,从而导致解剖标志物被释放 从插入工具。 随后可以使用磁检测器系统检测磁体的位置。
    • 24. 发明授权
    • Needle safety system and method
    • 针安全系统和方法
    • US5013305A
    • 1991-05-07
    • US212887
    • 1988-06-29
    • Eric A. OpieFred E. Silverstein
    • Eric A. OpieFred E. Silverstein
    • A61M5/31A61M5/32A61M39/04
    • A61M5/3243A61M39/04A61M5/3202A61M5/3273A61M2005/3106A61M2005/325A61M2005/3256A61M2039/042A61M5/3275
    • A device and method for preventing accidental needle sticks. A sleeve having an annular shaft is slidably connected to a needle. A cord is rigidly affixed to the hub of the needle at one end thereof and to a blocking member at the other end thereof is also slidably coupled to the sleeve. After the needle has been used and is being removed from the patient's body, the sleeve is slid along the needle shaft to cover the tip and pulls the blocking member into position over the sharp tip of the needle. This positively covers the sharp tip of a needle with a puncture-proof blocking member to prevent accidental needle sticks. In alternative embodiments, a resilient member is pressed to align a hole through which the needle is projecting with a hole in a puncture-proof member which is covering the sharp tip of the needle to permit the needle protective device to be slid down the shaft of the needle and the needle to be used. A recessed needle assembly to be used in tandem with a needle assembly, is also disclosed. The recessed needle has a protective wall to prevent accidental needle sticks. An over-cover for the entire needle assembly which may be removed once, but when placed on the hub of the needle after having been used, may not be removed a second time from the needle assembly to provide additional protection, is also disclosed.The devices disclosed herein can be used for removing fluid from a patient, transferring fluid to or from and IV system, medicine bottles, vacuum test tubes, etc. A complete system having numerous safety features is described that significantly reduces the risk of accidental needle sticks of all types during each stage that a needle is handled.
    • 一种用于防止意外针刺的装置和方法。 具有环形轴的套筒可滑动地连接到针上。 绳索在其一端刚性地固定到针的毂上,而另一端的阻挡构件也可滑动地联接到套筒上。 在针被使用并从患者身体移除之后,套筒沿着针轴滑动以覆盖尖端并且将阻挡构件拉到针的尖锐尖端上的位置。 这可以肯定地覆盖具有防刺穿阻塞构件的针的锋利尖端,以防止意外的针刺。 在替代实施例中,弹性构件被按压以使针在其中突出的孔与防漏构件中的孔对齐,该穿孔防护构件覆盖针的尖端,以允许针保护装置沿着 针和针要使用。 还公开了与针组件串联使用的凹针组件。 凹针具有保护壁,以防止意外的针刺。 用于整个针组件的覆盖物可以被去除一次,但是当被使用之后放置在针头的轮毂上时,可能不会再次从针组件移除以提供额外的保护。 本文公开的装置可用于从患者中移出流体,将流体输送到或从IV系统,药瓶,真空试管等传输流体。描述了具有许多安全特征的完整系统,其显着降低了意外针刺的风险 在处理针的每个阶段中的所有类型。
    • 25. 发明授权
    • Packaging system for disposable endoscope sheaths
    • 一次性内窥镜护套包装系统
    • US4997084A
    • 1991-03-05
    • US194034
    • 1988-05-13
    • Eric OpieFred E. Silverstein
    • Eric OpieFred E. Silverstein
    • G02B23/24A61B1/00A61B19/02
    • A61B1/00144A61B1/00142A61B50/15A61B50/24A61B50/30A61B50/36A61B50/33
    • A system for packaging disposable endoscope sheaths so that they do not become contaminated prior to use during shipment, storage and installation on an endoscope. The packaging system also prevents the spread of contamination after use while the sheath is being removed from the endoscope and then discarded. The sheath is shipped in an elongated, flexible bag having a length substantially equal to the length of the insertion tube of the endoscope and a diameter substantially larger than the diameter of the insertion tube. The sheath and bag may be shipped in a sterile tray having a spiral recess containing the sheath, bag and funnel-like container or bag holding the tubing of the air, water, and suction channels. Installation of the sheath on the endoscope is accomplished by inflating the sheath while it is in the bag so that the sheath expands until it contacts the wall of the bag. The insertion tube is then inserted into the sheath, the sheath is deflated and the insertion tube and surrounding sheath are removed from the bag for use. After use, the insertion tube and surrounding sheath are inserted into the bag, and the sheath is inflated until it is restrained from further expansion by the wall of the bag. The insertion tube is then removed from the sheath, the sheath is deflated, and the sheath and surrounding bag are discarded as a unit, the funnel-like proximal segment being used to dispose of the contaminated tubes (air, water, suction, etc.).
    • 26. 发明授权
    • Flexible endoscope
    • 柔性内窥镜
    • US4947827A
    • 1990-08-14
    • US292473
    • 1988-12-30
    • Eric Opie, deceasedFred E. SilversteinDavid R. Kreft
    • Eric Opie, deceasedFred E. SilversteinDavid R. Kreft
    • G02B23/24A61B1/00A61B1/005
    • A61B1/00073A61B1/0052
    • Various methods and mechanical devices for providing manipulation and steering of the bending section of an endoscope having a sheath thereon is disclosed. In one embodiment, the longitudinal center axis of a biopsy type is aligned with the longitudinal center of the insertion tube, both being in common with the instantaneous bending center of the insertion tube. The insertion tube is capable of only right and left movement through steering but is also rotatable with respect to the handle to permit the tip to be positioned in any desired location. In an alternative embodiment, the instantaneous bending center is radially offset from the longitudinal center of the insertion tube. The hinges are positioned in the bending section of the insertion tube for locating the instantaneous center of bending at a desired location in a groove. Four, or in an alternative embodiment, three cables are provided for controlling the movement and steering of the bending section. Because the cables are not symmetrically located with respect to the instantaneous bending center, the mechanical control assembly is designed to take into account the difference between the movements of the respective cable through the full range of motions. In an alternative embodiment, the channel is located radially offset from the instantaneous center of bending and the biopsy tube assembly is made stretchable or compressible to ensure that the biopsy tube end remains aligned with the end of the insertion tube end.
    • 公开了用于提供具有护套的内窥镜的弯曲部分的操纵和转向的各种方法和机械装置。 在一个实施例中,活检类型的纵向中心轴线与插入管的纵向中心对准,两者都与插入管的瞬时弯曲中心相同。 插入管能够仅通过转向左右移动,但也可相对于手柄旋转,以允许尖端定位在任何期望的位置。 在替代实施例中,瞬时弯曲中心从插入管的纵向中心径向偏移。 铰链定位在插入管的弯曲部分中,用于将瞬时的弯曲中心定位在凹槽中的期望位置。 四个或替代实施例中,提供三根电缆以控制弯曲部分的移动和转向。 由于电缆相对于瞬时弯曲中心不对称地定位,所以机械控制组件被设计成考虑到各个电缆通过全部运动范围的运动之间的差异。 在替代实施例中,通道位于径向偏离瞬时弯曲中心的位置,活检管组件被制成可拉伸或可压缩,以确保活检管端部保持与插入管端部的端部对准。