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    • 1. 发明授权
    • Common therapy/data port for a portable defibrillator
    • 便携式除颤器的常用治疗/数据端口
    • US5716380A
    • 1998-02-10
    • US632177
    • 1996-04-15
    • Daniel YerkovichDavid AoyamaStephen T. Vincent
    • Daniel YerkovichDavid AoyamaStephen T. Vincent
    • A61B5/0402A61N1/00A61N1/39
    • A61N1/3925A61N1/3931
    • A portable defibrillator (10) with a common therapy/data port (12). A set of electrodes (34) is connected to the therapy/data port to connect the defibrillator to a patient. If connected to a patient, the defibrillator operates in a normal mode of operation where it analyzes a patient's electrocardiogram (ECG), and, if required, applies defibrillation therapy through the port to the patient. A communication cable (42) is connected to the therapy/data port to connect the defibrillator to an auxiliary component (44). If connected to an auxiliary component, the defibrillator operates in a data communication mode of operation where data may be transmitted to and received from the auxiliary component through the therapy/data port. A test cable is connected to the therapy/data port to connect the defibrillator to a test load. If connected to a test load, the defibrillator operates in a user test mode of operation to allow a user to test the operation of the defibrillator. Preferably, the portable defibrillator automatically determines whether it is connected to a patient, an auxiliary component, or a test load.
    • 一种具有共同治疗/数据端口(12)的便携式除颤器(10)。 一组电极(34)连接到治疗/数据端口以将除颤器连接到患者。 如果连接到患者,除颤器在其分析患者的心电图(ECG)的正常操作模式下操作,并且如果需要,通过端口将除颤治疗应用于患者。 通信电缆(42)连接到治疗/数据端口,以将除颤器连接到辅助部件(44)。 如果连接到辅助部件,则除颤器在数据通信操作模式下工作,其中数据可以通过治疗/数据端口发送到辅助部件并从辅助部件接收。 测试电缆连接到治疗/数据端口,以将除颤器连接到测试负载。 如果连接到测试负载,除颤器在用户测试操作模式下操作,以允许用户测试除颤器的操作。 优选地,便携式除颤器自动地确定其是否连接到患者,辅助部件或测试负载。
    • 2. 发明授权
    • High energy transfer relay
    • 高能量转移继电器
    • US5872497A
    • 1999-02-16
    • US735728
    • 1996-10-23
    • Daniel YerkovichStephen T. VincentRichard J. Cardin
    • Daniel YerkovichStephen T. VincentRichard J. Cardin
    • A61N1/39H01H50/02H01H50/14H01H50/30H01H50/64H01H51/06H01H51/22
    • A61N1/3931H01H50/026H01H50/305H01H50/643H01H51/06H01H50/14H01H50/30
    • A high energy transfer relay includes a housing, a solenoid, a pivot arm, a stationary contact, a switching contact and a leaf spring. The switching contact is mounted on the leaf spring. The armature of the solenoid is coupled to the pivot arm such that when the solenoid is energized, the pivot arm moves in the direction of the stationary contact. Movement is against the force of the leaf spring which is positioned to bias the pivot arm away from the stationary contact against a stop. The leaf spring also pre-loads the pivot point. In addition, the resilience of the leaf spring cushions the impact of the switching contact on the stationary contact to help prevent contact bounce. The outer end of the pivot arm includes a flat that coacts with a flat wall to form an air cushion. The air cushion also assists in preventing contact bounce by absorbing the momentum of the pivot arm after the contacts mate. Additionally, the moment of inertia of the pivot arm and associated elements located on the switching contact side of the pivot point is counterbalanced by the moment of inertia of the armature and the part of the pivot arm on the solenoid side of the pivot point. Balancing the moments of inertia ensures that an acceleration force applied to the solenoid side of the pivot point will be counterbalanced by an equal and opposite force on the switching contact side of the pivot point.
    • 高能转移继电器包括壳体,螺线管,枢转臂,固定触点,开关触点和板簧。 开关触点安装在板簧上。 螺线管的电枢联接到枢转臂,使得当螺线管通电时,枢转臂沿固定触点的方向移动。 运动抵抗板簧的力,其被定位成将枢转臂偏离固定接触件抵靠止动件。 板簧还预先装载枢轴点。 此外,片簧的弹性缓冲开关触点对固定触头的冲击,有助于防止触点反弹。 枢转臂的外端包括与平坦壁共同构成气垫的平面。 气垫还有助于通过在接触配合之后吸收枢转臂的动量来防止接触反弹。 此外,位于枢转点的开关接触侧的枢转臂和相关元件的惯性力矩通过电枢的惯性矩和枢转臂的枢转点的螺线管侧的部分平衡。 平衡惯性矩确保施加到枢转点的螺线管侧的加速力将通过在枢转点的开关接触侧上相等和相反的力平衡。
    • 3. 发明授权
    • Method and system for detecting relay failure
    • 检测继电器故障的方法和系统
    • US5748427A
    • 1998-05-05
    • US770629
    • 1996-12-19
    • Daniel YerkovichStephen T. Vincent
    • Daniel YerkovichStephen T. Vincent
    • A61N1/39G01R31/327H01H47/00H01H47/22H03K3/57H02H3/24
    • H01H47/002A61N1/3931H03K3/57G01R31/3278Y10S128/908
    • In an external cardiac defibrillator (8), a method and system for determining when a relay (22) has failed in a conductive state. The defibrillator (8) includes a charge circuit (14) that charges an energy storage capacitor (C) to a predetermined voltage. The relay (22) is closed to direct a defibrillation pulse from the energy storage capacitor to a patient (25) needing ventricular therapy. The relay (22) is then opened following application of the defibrillation pulse. A monitor circuit (18) monitors the voltage on the energy storage capacitor. If the measured voltage across the energy storage capacitor (C) is less than or equal to a threshold value after a predetermined delay, the relay (22) has failed. If the measured voltage exceeds the threshold value, the relay (22) is operating correctly.
    • 在外部心脏除颤器(8)中,用于确定继电器(22)何时在导通状态下失败的方法和系统。 除颤器(8)包括将储能电容器(C)充电至预定电压的充电电路(14)。 继电器(22)关闭以将去纤维性颤动脉冲从储能电容器引导到需要心室治疗的患者(25)。 继电器(22)然后在除颤脉冲施加之后打开。 监视电路(18)监视储能电容器上的电压。 如果能量存储电容器(C)上的测量电压在预定延迟之后小于或等于阈值,则继电器(22)发生故障。 如果测量的电压超过阈值,则继电器(22)正常工作。
    • 4. 发明授权
    • Spark plug firing sensor with capacitive coupling and optical pickup
    • 带电容耦合和光学拾音器的火花塞触发传感器
    • US5208541A
    • 1993-05-04
    • US718349
    • 1991-06-19
    • Daniel YerkovichJohn M. AdamsStephen T. Vincent
    • Daniel YerkovichJohn M. AdamsStephen T. Vincent
    • F02P17/00F02P17/12G01P3/48
    • F02P17/12G01P3/4807F02P2017/006F02P2017/125
    • A sensor for detecting the firing of a spark plug while maintaining electrical isolation of electronic equipment is disclosed. In the preferred embodiment, a conductive element is attached to one electrical lead of a neon bulb. A wrap secures one end of an optical fiber to the neon bulb for collecting the light from the neon bulb. The optical fiber carries the light from the neon bulb to a data logging device. During use, the conductive element is secured to an insulated spark plug wire and, when the spark plug fires, a voltage between the leads of the neon bulb is induced, causing the neon bulb to produce a pulse of light. The light pulse from the neon bulb is carried by the optical fiber and monitored by the data logging device. By providing an optical fiber to link the data logging device to the neon bulb, electrical isolation is accomplished.
    • 公开了一种用于在保持电子设备的电气隔离的同时检测火花塞的点火的传感器。 在优选实施例中,导电元件附接到氖灯的一个电引线。 包裹将光纤的一端固定到氖灯上,用于收集来自氖灯的光。 光纤将来自氖灯的光传送到数据记录装置。 在使用期间,导电元件被固定到绝缘的火花塞线上,并且当火花塞点火时,引起氖灯的引线之间的电压,导致氖灯产生一脉冲的光。 来自氖灯的光脉冲由光纤承载并由数据记录装置监视。 通过提供将数据记录装置连接到氖灯的光纤,实现电隔离。
    • 8. 发明授权
    • Method and apparatus for controlling the common mode impedance
misbalance of an isolated single-ended circuit
    • 用于控制隔离单端电路的共模阻抗不平衡的方法和装置
    • US6133787A
    • 2000-10-17
    • US306644
    • 1999-05-06
    • Daniel YerkovichDouglas K. MedemaRandall J. Makela
    • Daniel YerkovichDouglas K. MedemaRandall J. Makela
    • H03F1/56H03F3/45H03F1/00
    • H03F3/45479H03F3/45991H03F2200/261
    • A method and apparatus for controlling the common mode impedance misbalance of an isolated single-ended circuit for all common mode paths, thereby allowing the balancing of the common mode impedances which reduces common mode effects while maintaining the advantages of the single-ended amplifier including circuit simplicity and the reference input connected to circuit ground. In one embodiment, two solid shields enclose the circuit as completely as possible with the inner shield connected to circuit ground which is also the reference for all other inputs to the circuit. A discrete capacitor is connected between the outer shield and each of the non-reference inputs. When the shield is complete, i.e., solid, almost solid with minimal holes or a fine mesh, the value of the discrete capacitor is selected to match the parasitic capacitance formed between the outer shield and the inner shield. In another embodiment, the shield may be incomplete, i.e., a grid, coarse mesh or a solid shield only enclosing a portion of the circuit; this shield is connected to the non-reference input of the circuit. In this case, the exposures of the incomplete outer shield and the electronic circuit ground plane (or inner shield) to an external noise source are matched to balance the effect of their parasitic capacitances. Also, in the case of an incomplete shield, a discrete capacitor may be connected between the outer shield and the non-reference input of the circuit to enable balancing the impedances to common mode currents.
    • 一种用于控制用于所有共模路径的隔离单端电路的共模阻抗不平衡的方法和装置,从而允许平衡共模阻抗,其降低共模效应,同时保持包括电路的单端放大器的优点 简单性和参考输入连接到电路接地。 在一个实施例中,两个固体屏蔽件使电路尽可能完全地与连接到电路接地的内部屏蔽件封闭,该内部屏蔽件也是电路的所有其它输入的基准。 分离电容器连接在外屏蔽和每个非参考输入之间。 当屏蔽完成时,即固体,几乎固体具有最小的孔或细网格时,选择分立电容器的值以匹配在外屏蔽和内屏蔽之间形成的寄生电容。 在另一个实施例中,屏蔽可能是不完整的,即栅格,粗网或纯屏蔽仅包围电路的一部分; 该屏蔽连接到电路的非参考输入。 在这种情况下,匹配不完整的外屏蔽和电子电路接地层(或内部屏蔽)到外部噪声源的曝光以平衡其寄生电容的影响。 另外,在不完整的屏蔽的情况下,可以在外屏蔽和电路的非参考输入端之间连接分立电容器,以使阻抗平衡到共模电流。
    • 9. 发明授权
    • Interactive portable defibrillator including ECG detection circuit
    • US4619265A
    • 1986-10-28
    • US776391
    • 1985-09-16
    • Carlton B. MorganDaniel YerkovichThomas D. LysterEric C. HagenDouglas H. Roberts
    • Carlton B. MorganDaniel YerkovichThomas D. LysterEric C. HagenDouglas H. Roberts
    • A61N1/08A61N1/39G09B23/28A61N1/36A61B5/05
    • A61N1/39A61N1/3925G09B23/288
    • A portable, interactive medical electronic device exemplified by a defibrillator. The device obtains information about a patient's condition, such as ECG and transthoracic impedance data, directly from the patient, and information pertinent to the treatment of the patient indirectly through an operator of the device, and produces a medically appropriate action such as a defibrillation shock in response. Indirect information is obtained through information processing means that includes means for prompting the operator of the device and means for receiving the operator's responses thereto. Prompts may include both questions and instructions, and in one embodiment the information processing means obtains the assent of the operator before causing the defibrillation shock. Indirect information may include information as to whether the patient is conscious, and as to whether or not cardiopulmonary resuscitation has been performed. The ECG and transthoracic impedance data may be collected through a common pair of electrodes. In one embodiment the device produces an indication that the ECG data is invalid if the transthoracic impedance data indicates excessive motion on the part of the patient. When a defibrillation shock is determined to be medically appropriate, a control signal is produced that causes the charging of an energy storage means and the subsequent discharging of such energy storage means through the patient without further operator intervention. The device also includes a tape recorder for allowing later analysis of the use of the device, and means for holding the tape recorder drive means in a disengaged position until the device is opened for use. The device also includes testing means for enabling a person to test the condition of the device without opening the case in which it is enclosed, means for producing and recording a distinctive sound when and if a defibrillation pulse is delivered, and means for allowing the electrodes to be quickly disconnected so that emergency personnel can conveniently use the electrodes with their own equipment.
    • 10. 发明授权
    • Interactive portable defibrillator
    • US4610254A
    • 1986-09-09
    • US587439
    • 1984-03-08
    • Carlton B. MorganDaniel YerkovichThomas D. LysterEric C. HagenDouglas H. Roberts
    • Carlton B. MorganDaniel YerkovichThomas D. LysterEric C. HagenDouglas H. Roberts
    • A61N1/08A61N1/39G09B23/28A61N1/36
    • A61N1/39A61N1/3925A61N1/3937G09B23/288
    • A portable, interactive medical electronic device exemplified by a defibrillator. The device obtains information about a patient's condition, such as ECG and transthoracic impedance data, directly from the patient, and information pertinent to the treatment of the patient indirectly through an operator of the device, and produces a medically appropriate action such as a defibrillation shock in response. Indirect information is obtained through information processing means that includes means for prompting the operator of the device and means for receiving the operator's responses thereto. Prompts may include both questions and instructions, and in one embodiment the information processing means obtains the assent of the operator before causing the defibrillation shock. Indirect information may include information as to whether the patient is conscious, and as to whether or not cardiopulmonary resuscitiation has been performed. The ECG and transthroacic impedance data may be collected through a common pair of electrodes. In one embodiment the device produces an indication that the ECG data is invalid if the transthoracic impedance data indicates excessive motion on the part of the patient. When a difibrillation shock is determined to be medically appropriate, a control signal is produced that causes the charging of an energy storage means and the subsequent discharging of such energy storage means through the patient without further operator intervention. The device also includes a tape recorder for allowing later analysis of the use of the device, and means for holding the tape recorder drive means in a disengaged position until the device is opened for use. The device also includes testing means for enabling a person to test the condition of the device without opening the case in which it is enclosed, means for producing and recording a distinctive sound when and if a defibrillation pulse is delivered, and means for allowing the electrodes to be quickly disconnected so that emergency personnel can conveniently use the electrodes with their own equipment.