公开(公告)号：US5246439A

公开(公告)日：1993-09-21

申请号：US937717

申请日：1992-09-01

Applicant: Kevin A. Hebborn ,  Geoffrey P. Taylor

Inventor： Kevin A. Hebborn ,  Geoffrey P. Taylor

IPC: A61B18/14 ,  A61B18/16

CPC classification number: A61B18/16 ,  Y10S128/908

Abstract: Electrosurgery equipment has an alarm circuit for detecting when a return plate electrode is incorrectly attached. Capacitive dividers are connected between ground and each of the power supply line to the active electrode and the power supply return line from the plate electrode. The outputs of the capacitive dividers are supplied to the two inputs of a differential amplifier which provides an output to one input of a comparator. Another input of the capacitor is connected to a reference source. When the output of the differential amplifier rises above the reference source, the comparator produces an alarm signal which inhibits the power supply and gives an audible alarm.

公开(公告)号：US5540682A

公开(公告)日：1996-07-30

申请号：US372368

申请日：1995-01-13

Applicant: John A. Gardner ,  Geoffrey P. Taylor ,  Kevin A. Hebborn ,  Razi Adelinia

Inventor： John A. Gardner ,  Geoffrey P. Taylor ,  Kevin A. Hebborn ,  Razi Adelinia

IPC: A61B17/00 ,  A61B18/12 ,  G06F1/025 ,  H03K3/66 ,  H03K3/72 ,  H03K3/78 ,  A61B17/39

CPC classification number: G06F1/025 ,  A61B18/1206 ,  H03K3/66 ,  H03K3/72 ,  H03K3/78 ,  A61B2017/00154 ,  A61B2017/00172 ,  A61B2017/0019

Abstract: Electrosurgery apparatus has a processor that generates a data stream output representing the characteristics of the electrosurgery pulses to be generated. The data stream output comprises digitally-represented values indicative respectively of the width of each pulse, the duration of a first period during which pulses are to be generated, the duration of a second period during which pulses are not to be generated, the duration of a third period during which pulses are to be generated and the duration of a fourth period during which pulses are not to be generated. The data stream also includes digital instructions as to whether or not the electrosurgery output is to be cut only and whether it is to include spray coagulation. Three switch control units receive the data stream and provide outputs to three switching circuits, which provide two monopolar and one bipolar output. Each switching circuit includes a transformer connected to receive the outputs from the switch control units.

Abstract translation: 电外科设备具有产生表示要产生的电外科脉冲的特性的数据流输出的处理器。 数据流输出包括分别指示每个脉冲的宽度，要产生脉冲的第一周期的持续时间，不产生脉冲的第二周期的持续时间的数字表示的值， 将产生脉冲的第三周期和不产生脉冲的第四周期的持续时间。 数据流还包括关于电外科输出是否仅被切割以及是否包括喷雾凝结的数字指令。 三个开关控制单元接收数据流，并向三个开关电路提供输出，这三个开关电路提供两个单极和一个双极输出。 每个开关电路包括连接以接收来自开关控制单元的输出的变压器。