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    • 91. 发明授权
    • Drop detecting system with focusing mirror element and vibrator
    • 具有聚光镜元件和振动器的跌落检测系统
    • US4673820A
    • 1987-06-16
    • US669108
    • 1984-11-07
    • Dean L. Kamen
    • Dean L. Kamen
    • G01V8/14A61M5/168G01N15/00G01N21/59G06M11/00G01N15/06
    • A61M5/1689G06M11/00
    • An arrangement for improving the detection of drops in a drip chamber has a mirror element configured to focus light from a source to a detector in such a manner that a falling drop occludes a significant portion of the light reflected to the detector. In a preferred embodiment the mirror is located slightly below the drop forming orifice of the drip chamber and is shaped like an arcuate band of a curved surface. In a further preferred embodiment, a rotary motor with an eccentric weight is briefly energized to vibrationally clear any accumulation of droplets from the chamber wall. Other embodiments utilize a plurality of mirror elements to define an optical path from the source to detector which traverses the region throught which a drop falls 3 or more times.
    • 用于改善滴液滴中检测液滴的装置具有一个反射镜元件,其配置成将来自源的光以检测器的方式聚焦,使得一滴落物遮挡反射到检测器的光的重要部分。 在一个优选实施例中,反射镜位于稍微位于滴液室的液滴形成孔的下方,并且形状类似于弯曲表面的弓形带。 在另一优选实施例中,具有偏心重量的旋转马达被短暂地通电以振动地清除来自腔室壁的任何积聚的液滴。 其他实施例利用多个反射镜元件来限定从源到检测器的光路,该光路横穿穿过所述区域的区域,滴下降3次或更多次。
    • 92. 发明授权
    • Modular clamp system with externally threaded adjuster
    • 带外螺纹调节器的模块化夹紧系统
    • US4645175A
    • 1987-02-24
    • US551956
    • 1983-11-15
    • Dean L. Kamen
    • Dean L. Kamen
    • A61M39/28F16L55/14
    • A61M39/28A61M39/283
    • A modular clamp system in one embodiment has a case having an inlet and an outlet port, forming a housing for a resilient flow tube. Attached to the housing is a clamping member having two arms between which the flow tube passes. One end of the pair of arms fits within and is engaged by the hollow bore of threaded adjuster which is guided by the case. Turning the adjuster advances it, causing the arms to be pushed closer together, so as to progressively constrict the flow tube at a controllable rate. The arms may be tapered and the bore a right cylindrical bore, or the bore may be tapered and the arms untapered, in which case the tips of the arms contact with the interior face of the bore. The fineness of the screw threads and the degree of taper of the adjuster contacting surfaces may be so chosen that a full rotation of the adjuster causes a very small adjustment in flow rate. In one embodiment, the arms contain a transverse portion forming a collet surrounding the flow tube and cemented to it for positively deconstricting the flow tube upon release or opening of the valve. In another embodiment, the clamp forms an assembly which can be attached to an auxiliary control mechanism further embodiment, the adjuster has an integrally formed toothed gear, to permit uniform incremental rotation by the auxiliary control system.
    • 在一个实施例中,模块式夹紧系统具有壳体,其具有入口和出口,形成用于弹性流管的壳体。 连接到壳体的是具有两个臂的夹持构件,流管在其之间通过。 一对臂的一端装配在由壳体引导的螺纹调节器的中空孔内并与其接合。 转动调节器使其移动,使臂被靠近在一起,以便以可控速率逐渐收缩流管。 臂可以是锥形的,孔的右圆柱形孔或孔可以是锥形的,并且臂未被接合,在这种情况下,臂的尖端与孔的内表面接触。 可以选择螺纹的细度和调节器接触表面的锥度,使得调节器的完全旋转导致非常小的流量调节。 在一个实施例中,臂包含横向部分,该横向部分形成围绕流动管的夹头并与其粘合以便在阀的释放或打开时积极地解释流管。 在另一个实施例中,夹具形成了可以附加到辅助控制机构的组件,另外的实施例,调节器具有整体形成的齿形齿轮,以允许辅助控制系统的均匀增量旋转。
    • 93. 发明授权
    • Medical infusion controller and user interface
    • 医用输液控制器和用户界面
    • US4634426A
    • 1987-01-06
    • US680500
    • 1984-12-11
    • Dean L. Kamen
    • Dean L. Kamen
    • A61M5/00A61M5/168A61M5/172
    • A61M5/172A61M5/1689Y10S128/13
    • An intravenous flow control system includes a programmed microprocessor which receives information from a drop sensor and varies the adjustment of a clamp to control the infusion rate. The system accepts total dose and infusion duration, or dose rate and time information keyed in by the user, and periodically develops a target rate, based on the amount of infusate already delivered, such target rate being calculated to correct the actual delivered dose to that determined by the user keyed data. The target rate differs from the programmed rate by an amount equal to the programmed rate times an adjustment factor. In a preferred embodiment a series of tolerance bands corresponding to delivered volume errors are defined, with the adjustment factor a constant in each tolerance band. For high rate discrepancies, slewing is used to correct the clamp adjustment. Inability to attain the target rate before the delivery of a threshold volume of fluid triggers an alarm. Further alarms are provided for high and low drip rates, streaming, and for deviation of the total volume outside of a progressively defined maximum tolerance band. Control rate and time data are entered by the user through a menu-driven keyboard, in response to displayed messages, thus requiring only INCREASE, DECREASE and SELECT keys.
    • 静脉内流量控制系统包括编程的微处理器,其从液滴传感器接收信息并改变夹具的调节以控制输注速率。 该系统接受用户键入的总剂量和输注持续时间,剂量率和时间信息,并且基于已经输送的输注量定期地形成目标速率,计算该目标速率以将实际递送的剂量校正为 由用户键入的数据确定。 目标速率与编程速率不同,编程速率等于调整系数。 在优选实施例中,定义了对应于递送的体积误差的一系列公差带,其中每个公差带中的调整因子是一个常数。 对于高速率差异,使用回转来纠正钳位调整。 达不到阈值体积液体传递前的目标速率触发报警。 提供进一步的报警,用于高和低滴流率,流式传输以及逐渐定义的最大容差带之外的总体积偏差。 响应于显示的消息,用户通过菜单驱动的键盘输入控制速率和时间数据,因此仅需要INCREASE,DECREASE和SELECT键。
    • 95. 发明授权
    • Multiple-passenger transporter
    • 多乘客运输车
    • US06969079B2
    • 2005-11-29
    • US10618914
    • 2003-07-14
    • Dean L. KamenJ. Douglas FieldJohn David Heinzmann
    • Dean L. KamenJ. Douglas FieldJohn David Heinzmann
    • B62D51/02B62D61/00B62K27/00
    • B62D61/00B60L2200/24B62D51/02
    • A transporter for transporting a first person and one or more riders over a surface. The transporter includes a first support platform for supporting the first person, the first support platform having left and right sides and defining a fore-aft vertical plane and a lateral plane. At least one ground-contacting element is coupled to the first support platform such that the first support platform is capable of tilting in the fore-aft plane about a tilt axis. The at least one ground-contacting element is driven by a motorized drive arrangement so as to cause locomotion of the transporter. A controller commands the motorized drive arrangement. The controller is configured so that at least one of fore and aft sustained motion of the transporter is based at least on fore-aft tilting of the first support platform. One or more passenger platforms support one or more riders, the passenger platforms coupled to the first support platform such that fore-aft tilting of the first support platform is substantially independent of the one or more passenger platforms.
    • 用于将第一人和一个或多个骑手运送到表面上的运送器。 所述运送器包括用于支撑所述第一人的第一支撑平台,所述第一支撑平台具有左右两侧并限定前后垂直平面和横向平面。 至少一个接地元件联接到第一支撑平台,使得第一支撑平台能够围绕倾斜轴线在前后平面中倾斜。 所述至少一个地面接触元件由电动驱动装置驱动,以使运送器运动。 控制器命令电动驱动装置。 控制器被配置为使得运送器的前后的持续运动中的至少一个至少基于第一支撑平台的前后倾斜。 一个或多个乘客平台支撑一个或多个乘客,乘客平台联接到第一支撑平台,使得第一支撑平台的前后倾斜基本上独立于一个或多个乘客平台。
    • 97. 发明授权
    • Riderless stabilization of a balancing transporter
    • 平衡运输车的无人驾驶稳定
    • US06779621B2
    • 2004-08-24
    • US10461720
    • 2003-06-13
    • Dean L. KamenJ. Douglas FieldJohn B. Morrell
    • Dean L. KamenJ. Douglas FieldJohn B. Morrell
    • B60K2814
    • B62D57/00B60K7/00B60L15/2045B60L2200/16B60L2260/34B62K11/007B62K2204/00Y02T10/645Y02T10/7283
    • A method for stabilizing a balancing transporter under riderless conditions. The balancing transporter is characterized by a center of mass, and has two laterally disposed wheels and a region of contact with an underlying surface. In accordance with the method, the absence of a user aboard the transporter is first detected. Then a desired transporter pitch is determined such as to establish a condition of stasis wherein the center of mass is disposed directly above the region of contact between the balancing transporter and the underlying surface. Finally, a torque is applied to the laterally disposed wheels so as to maintain the transporter at the desired transporter pitch. The torque may include coadded terms where the terms are, respectively, proportional to a pitch error, a pitch rate, a wheel rate, and an integral representing the wheel rotation that was required to bring the transporter to the condition of stasis.
    • 一种在无人驾驶条件下稳定平衡运输车的方法。 平衡输送器的特征在于质量中心,并且具有两个横向设置的轮子和与下面的表面接触的区域。 根据该方法,首先检测出运送器上没有用户。 然后,确定期望的转运节距,以便建立淤滞状态,其中质心直接设置在平衡运输器和下面的表面之间的接触区域之上。 最后,将扭矩施加到横向设置的轮子上,以将运送器保持在期望的转运节距。 扭矩可以包括这些术语分别与俯仰误差,俯仰速率,车轮速率和表示使转运器处于停滞状态所需的车轮旋转成正比的积分项。