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    • 2. 发明授权
    • Cautery probes for endoscopic electrosurgical suction-irrigation
instrument
    • 用于内窥镜电外科吸入器械的灼烧探针
    • US5312400A
    • 1994-05-17
    • US959247
    • 1992-10-09
    • Thomas O. BalesDana W. RyanMatthew S. Solar
    • Thomas O. BalesDana W. RyanMatthew S. Solar
    • A61B17/32A61B18/00A61B18/14A61M1/00A61M3/02A61M5/14A61B17/36
    • A61B17/3203A61B18/1442A61B18/1482A61M1/0045A61M1/0064A61M3/0233A61M5/1418A61B18/148A61B2017/32113A61B2018/00958A61M1/0062A61M2205/6081
    • A cautery probe is described for use with an endoscopic instrument where the endoscopic instrument has an electrical contact located therein. The probe includes an insulated handle which extends out of the instrument, a conductive probe element which is mounted in the insulated handle and extends through the distal end of the endoscopic instrument, and an insulating cover. The conductive probe element has a distal cautery surface, and an electrical contact surface at a location between the proximal end of the conductive probe and the distal cautery surface, with the electrical contact surface contacting the electrical contact in the endoscopic instrument when said cautery probe is inserted in the endoscopic instrument. The insulating cover substantially covers the conductive probe element from the insulated handle up to but not at the electrical contact surface, and substantially covers the probe element from a point beyond the electrical contact surface, up to but not at the distal cautery surface. Preferably, the cannula of the endoscopic instrument is used as the electrical contact, and the electrical contact surface of the probe element is a bump which contacts the cannula.
    • 描述了一种用于内窥镜器械的烧灼探针,其中内窥镜器具具有位于其中的电触点。 探头包括一个延伸出仪器的绝缘手柄,一个安装在绝缘手柄中并延伸穿过内窥镜器械远端的导电探针元件和绝缘盖。 导电探针元件具有远端烧灼表面和在导电探针的近端与远端烧灼表面之间的位置处的电接触表面,当所述烧灼探针为 插入内窥镜仪器。 绝缘盖基本上覆盖从绝缘手柄直到但不在电接触表面处的导电探针元件,并且从超过电接触表面的点至基部覆盖探针元件直到但不在远端烧灼表面处。 优选地,内窥镜器械的套管用作电接触件,并且探针元件的电接触表面是接触插管的凸块。
    • 5. 发明授权
    • Probe for endoscopic suction-irrigation instruments having a proximal
port for receiving an additional probe therethrough
    • 用于具有用于接收穿过其中的附加探针的近端口的内窥镜式吸入器械的探头
    • US5354291A
    • 1994-10-11
    • US959241
    • 1992-10-09
    • Thomas O. BalesJurgen A. KortenbachDana W. RyanMatthew S. SolarKevin W. SmithDavid Turkel
    • Thomas O. BalesJurgen A. KortenbachDana W. RyanMatthew S. SolarKevin W. SmithDavid Turkel
    • A61B17/22A61B17/28A61B18/14A61M1/00
    • A61M1/0064A61M1/0045A61B17/29A61B18/14A61B2017/22072A61M1/0043A61M1/0084Y10S604/902
    • A probe for use with an endoscopic suction-irrigation instrument is disclosed which permits a second probe to be inserted therethrough. The suction-irrigation instrument has a cannula, a fluid chamber having at least one port for irrigation and suction and a proximal opening, and a first seal in the proximal end of the fluid chamber. The fluid chamber has a distal end communicating with the cannula. The probe has a proximal handle portion, a middle portion, and a hollow distal portion. The handle portion has an axial passageway and a second seal therein. The middle portion extends from the handle portion through the first seal at the end of the fluid chamber and through the fluid chamber. The middle portion has an outer diameter shaped to contact the first seal such that the proximal end of the fluid chamber is sealed. The middle portion is also shaped to be smaller than the inner diameter of the fluid chamber, and the middle portion is provided with a second axial internal passageway extending therethrough. The distal portion extends at least partially through the cannula and has an outer diameter smaller than the inner diameter of the cannula. A second probe may be inserted through the second seal of the first probe, through the axial passageway in the handle portion, through the internal passageway in the middle portion, and out through the distal portion and the cannula.
    • 公开了一种用于内窥镜式吸入器械的探针,其允许第二探针插入其中。 吸入式冲洗器具有插管,具有用于冲洗和抽吸的至少一个端口和近端开口的流体室,以及在流体室的近端中的第一密封。 流体室具有与插管连通的远端。 探针具有近侧手柄部分,中部部分和中空远端部分。 手柄部分具有轴向通道和第二密封件。 中间部分从手柄部分在流体室的端部延伸穿过第一密封件并且通过流体室。 中部具有成形为接触第一密封件的外径,使得流体室的近端被密封。 中间部分的形状也小于流体室的内径,并且中间部分设置有延伸穿过其的第二轴向内部通道。 远端部分至少部分地延伸穿过套管并且具有小于套管内径的外径。 第二探针可以穿过第一探针的第二密封件,通过手柄部分中的轴向通道,穿过中部的内部通道插入,并穿过远端部分和套管。
    • 7. 发明授权
    • Cautery override safety systems endoscopic electrosurgical
suction-irrigation instrument
    • 烧伤覆盖安全系统内窥镜电外科吸灌仪
    • US5312327A
    • 1994-05-17
    • US959243
    • 1992-10-09
    • Thomas O. BalesDana W. RyanMatthew S. Solar
    • Thomas O. BalesDana W. RyanMatthew S. Solar
    • A61B1/12A61M1/00
    • A61M1/0064A61B1/12A61M1/0033
    • An electrocautery suction/irrigation endoscopic instrument having an electrocautery safety override is provided. The instrument preferably includes a cannula, an irrigation conduit in fluid communication with the cannula, an irrigation valve for regulating fluid flow in the irrigation conduit, an actuator coupled to the valve, an electrocautery probe coupled to a source of current, and an electrical switch coupled to the source of current and to either the irrigation valve or to the actuator. When the actuator is activated to permit fluid flow through the irrigation conduit, the switch is switched and prevents the flow of cautery current from the current source to the electrocautery probe. Preferably, the switch opens a DC circuit which is used to signal the current source to provide an high voltage AC electrocautery current. Alternatively, the switch may be located in the high voltage AC circuit. Both foot and thumb activated cut/coag switches are disclosed for use with the instrument.
    • 提供了一种具有电烙术安全保护装置的电烙吸/内窥镜仪器。 仪器优选地包括插管,与套管流体连通的冲洗管道,用于调节冲洗管道中的流体流动的冲洗阀,联接到阀门的致动器,耦合到电流源的电灼探针和电开关 耦合到电流源,以及冲洗阀或致动器。 当致动器被激活以允许流体流过冲洗管道时,开关被切换并防止烧焦电流从电流源流向电烙探头。 优选地,开关打开用于向电流源发信号以提供高电压AC电灼电流的DC电路。 或者,开关可以位于高压AC电路中。 公开了用于仪器的脚和拇指激活的切割/凝固开关。
    • 8. 发明授权
    • Medical fluid pump powered by a constant source of vacuum
    • 医用液体泵由恒定的真空源供电
    • US5554011A
    • 1996-09-10
    • US330370
    • 1994-10-27
    • Thomas O. BalesMatthew S. SolarRobert Sixto, Jr.Kevin W. Smith
    • Thomas O. BalesMatthew S. SolarRobert Sixto, Jr.Kevin W. Smith
    • F01L23/00F02B75/02F04B9/12F04B43/073F04B17/00
    • F04B9/1215F01L23/00F04B43/073F02B2075/025
    • A vacuum powered pump includes a spring biased piston or diaphragm in a vacuum chamber coupled to a source of vacuum. When vacuum is applied to the vacuum chamber, the piston or diaphragm is moved in a first direction against the spring. A delayed action valve is coupled to the vacuum chamber to allow ambient air to enter the chamber only after the piston or diaphragm has been moved a substantial distance in the first direction. When the delayed action valve opens, air enters the vacuum chamber and the force of the entering air together with the bias of the spring propels the piston or diaphragm in a second direction opposite the first direction. The delayed action valve automatically closes and the process repeats so long as a vacuum source is coupled to the vacuum chamber. The reciprocal movement of the piston or diaphragm effects a pulsatile pumping of fluid through a fluid chamber having at least one check valve.
    • 真空动力泵包括与真空源联接的真空室中的弹簧偏压活塞或隔膜。 当真空被施加到真空室时,活塞或隔膜相对于弹簧在第一方向上移动。 延迟动作阀联接到真空室以允许环境空气仅在活塞或隔膜已经在第一方向上移动相当大的距离之后才进入腔室。 当延迟动作阀打开时,空气进入真空室,并且进入空气的力与弹簧的偏压一起沿与第一方向相反的第二方向推动活塞或隔膜。 延迟动作阀自动关闭,并且只要真空源耦合到真空室,该过程就重复。 活塞或隔膜的往复运动使液体通过具有至少一个止回阀的流体室脉动泵送。