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    • 3. 发明授权
    • Intraosseous needle
    • 骨内针
    • US5601559A
    • 1997-02-11
    • US192006
    • 1994-02-04
    • Richard J. MelkerPeter F. GearenGary J. MillerMichael P. DeBruyneLisa Molitor
    • Richard J. MelkerPeter F. GearenGary J. MillerMichael P. DeBruyneLisa Molitor
    • A61B17/34A61B17/86A61B17/88A61B5/00
    • A61B17/3472A61B17/864A61B17/8811
    • An intraosseous needle having a threaded shaft with a passageway extending substantially therethrough, a solid and pointed tip at one end thereof, the tip having a plurality of cutting edges which facilitate boring through a bone. The shaft also includes two side ports in communication with the passageway to allow fluids to pass through the needle into the interior of the Done after successful insertion thereof. There is a hub at the opposite end of the shaft, whereby the needle is adapted to couple with an appropriate gripping device. A handle is provided in the shape of a ball knob and is adapted to telescopically and grippingly receive the hub of the needle. The hub and handle are both equipped with mutually engaging torque-transmitting surfaces. Additionally, the threads of the intraosseous needle may optionally be tapered so that at least one thread at the proximal end of the threaded shaft has a greater major (and/or minor) diameter than at least one thread located at the distal end of the threaded shaft. As the needle is inserted, the tapering of the threads provides a tighter fit between the bone and the needle to prevent needle wobble and fluid leakage.
    • 具有螺纹轴的骨内针,其具有基本上穿过其延伸的通道,在其一端具有固体和尖端,所述尖端具有多个切削刃,其有利于穿过骨。 轴还包括与通道连通的两个侧端口,以允许流体在其成功插入之后通过针进入Done的内部。 在轴的相对端具有毂,由此针适于与适当的夹持装置联接。 手柄设置成球形旋钮的形状,并且适于伸缩地并且夹紧地容纳针的轮毂。 轮毂和手柄均配有相互接合的扭矩传递表面。 此外,骨内针的螺纹可以可选地是锥形的,使得在螺纹轴的近端处的至少一个螺纹具有比位于螺纹的远端处的至少一个螺纹的更大的主要(和/或次要)直径 轴。 当针被插入时,螺纹的锥形使得骨头和针之间的紧密配合以防止针头摆动和流体泄漏。
    • 7. 发明授权
    • Needle-shielding fluid transfer device
    • 针式流体传动装置
    • US5158558A
    • 1992-10-27
    • US510521
    • 1990-04-18
    • Richard J. MelkerGary J. Miller
    • Richard J. MelkerGary J. Miller
    • A61J1/00A61J1/20
    • A61J1/2096A61J1/201Y10S604/905
    • A needle-shielding fluid transfer device for safely transferring fluid from a needle-bearing medical device to a separate container. The device includes a housing having a passage therethrough. At one end section of the housing, the passage has a relatively large diameter and the housing is adapted to easily accept and hold the needle-bearing medical device from which fluid is to be transferred. At a second end section, the housing is adapted to accept the container into which fluid is to be transferred. When a needle-bearing medical device is inserted into the passage at the first end section of the passage and a container is inserted into the second end section of the housing the needle of the needle-bearing medical device enters the container and fluid may be transferred. In one embodiment, the housing is split into two housing components to form a clamshell-like structure.
    • 一种用于将流体从针状医疗装置安全地传送到单独的容器的针式屏蔽流体输送装置。 该装置包括具有穿过其中的通道的壳体。 在壳体的一端部,通道具有相对较大的直径,并且壳体适于容易地接受和保持要从中传输流体的滚针式医疗装置。 在第二端部处,壳体适于容纳流体要被传送到的容器。 当将针轴承医疗装置插入通道的第一端部的通道中并且将容器插入到壳体的第二端部时,针状医疗装置的针进入容器并且可以转移流体 。 在一个实施例中,壳体被分成两个壳体部件以形成蛤壳状结构。