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    • 26. 发明授权
    • Electrosurgical conductive gas stream equipment
    • 电外科导电气流设备
    • US4901719A
    • 1990-02-20
    • US224485
    • 1988-07-26
    • Robert P. TrenconskyCarol BertrandRobert A. Weiss
    • Robert P. TrenconskyCarol BertrandRobert A. Weiss
    • A61B17/32A61B18/00A61B18/14
    • A61B18/042A61B17/3203A61B18/14A61B18/1233A61B2018/00761A61B2018/00886A61B2018/1213
    • An electrosurgical unit for conducting a predetermined ionizable gas in a jet stream to the tissue at a predetermined flow rate sufficient to clear natural fluids from the tissue and to substantially expose the tissue stroma and for exposing the gas to an electrical radio frequency energy to ionize the gas in conductive pathways in the gas jet stream. The unit includes a nozzle which is releasably connected to a handle for easy manipulation by a surgeon with the nozzle including means for supporting an electrode in an optimal position for initiation of the ionization of the gas. Also, a connecting system is disclosed for connecting the hose on which the handle is mounted to a gas delivery apparatus and supply or electrical energy which permits the hose to rotate while maintaining a positive hermetic seal to prevent the hose from kinking during use by a surgeon.
    • 一种电外科单元,用于以预定的流速将喷射流中的预定可电离气体以预定的流速传导到组织中,该流速足以从组织中清除天然流体并基本上暴露组织基质,并将气体暴露于电射频能量以电离 气体在气体射流中的导电通路中。 该单元包括可释放地连接到手柄的喷嘴,以便外科医生易于操作,喷嘴包括用于将电极支撑在用于引发气体电离的最佳位置的装置。 此外,公开了一种用于将其上安装有手柄的软管连接到气体输送装置的连接系统以及允许软管旋转同时保持正气密密封以防止软管在外科医生使用期间扭结的供应或电能 。
    • 27. 发明授权
    • Electrical connector
    • 电连接器
    • US4768969A
    • 1988-09-06
    • US60116
    • 1987-06-09
    • Ronald W. BauerRobert A. Weiss
    • Ronald W. BauerRobert A. Weiss
    • A61B18/16H01R11/22H01R12/77H01R9/07
    • A61B18/16H01R11/22H01R12/777Y10S439/909
    • An electrical connector achieves improvements in connecting a patient plate to an electrosurgical generator. The connector is preferably of the lever operated type, and electrical contacts are connected on the lever and connected within a passageway internally in a housing of the connector. A tongue portion of the patient plate is inserted in the passageway. Upon closure of the lever, the contacts on the lever extend into the passageway above the lower contacts to mechanically contact and retain the tongue portion between the contacts and to electrically contact the tongue portion by which to conduct current to the patient plate. A recess is formed in the lower marginal area of the passageway and a retaining structure on the lever member extends into the passageway to deform the tongue portion into the indention. The electrical contacts are spacially separated and electrically interconnected to provide an upper and lower electrical contact point for the tongue conductor which is electrically insulated from another spacially separated upper and lower electrical contact point.
    • 电连接器实现将患者板连接到电外科发生器上的改进。 连接器优选地是杠杆操作型,并且电触头连接在杠杆上并且连接在连接器壳体内部的通道内。 患者板的舌部插入通道中。 在杠杆闭合时,杠杆上的触点延伸到下接触件上方的通道中,以将触头部分机械地接触并保持在触头之间,并且电接触舌部,以将电流传导到患者平板。 在通道的下边缘区域中形成凹部,并且杆构件上的保持结构延伸到通道中,以将舌部变形成凹陷。 电触点被空间分离并且电互连,以提供用于舌导体的上和下电接触点,其与另一空间分离的上下电接触点电绝缘。