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    • 2. 发明授权
    • Hand-held medical evacuator and irrigation device
    • 手持式医疗疏散器和灌溉装置
    • US4776840A
    • 1988-10-11
    • US101723
    • 1987-09-28
    • Michael W. FreitasFred A. Allgood
    • Michael W. FreitasFred A. Allgood
    • A61M1/00A61M3/02
    • A61M3/0262A61M1/0043A61M1/0064
    • A pistol-shaped frame (26) houses a fluid distribution assembly (58), including a plunger (46) operated by a trigger (30) for discharging fluid from a reservoir (60) through an outlet check valve (68). On return of the spring-loaded trigger (30), an inlet check valve (80) allows fluid to be drawn into the reservoir (60). A thumb-operated valve assembly (96) provides a fluid passage between an output (12) of the device and the outlet check valve (68) in one position, and in another position provides a vacuum passage between a vacuum inlet port (104) and the output (12). Trigger graduations (136 ) provide a visual indication of measured amounts of fluid dispensed by the device (10).
    • 手枪式框架(26)容纳流体分配组件(58),其包括由触发器(30)操作的柱塞(46),用于将流体从储存器(60)排出通过出口止回阀(68)。 在弹簧加载的触发器(30)返回时,入口止回阀(80)允许流体被吸入储存器(60)。 拇指操作的阀组件(96)在一个位置中在装置的输出(12)和出口止回阀(68)之间提供流体通道,并且在另一位置在真空入口端口(104)之间提供真空通道, 和输出(12)。 触发刻度(136)提供由装置(10)分配的流体的测量量的视觉指示。
    • 6. 发明授权
    • Wheel axle-bearing assembly
    • 车轮轴承总成
    • US5603555A
    • 1997-02-18
    • US539822
    • 1995-10-06
    • Gary D. DickeyMichael W. Freitas
    • Gary D. DickeyMichael W. Freitas
    • B60B37/10B60B27/00
    • B60B37/10
    • A non-corrosive, small particle resistant wheel axle-bearing assembly for a free wheeling hand carry device is provided which includes a wheel, an axle spindle and an annular bearing. In a preferred embodiment of the invention, the wheel includes a central bore, an inwardly facing-surface, and an outwardly facing surface. The inwardly facing surface includes a centrally disposed retainer between the wheel and the body of the device. The outwardly facing surface includes a cylindrical recess for receiving a thrust flange. The axle spindle is integral with the body of the free wheeling device and includes a plurality of longitudinal channels which terminate in slots on the device's body. The annular bearing has a flange at its outer end, a plurality of locking projections at its inner end, and an inner cylindrical wall defining a central bore and an outer bearing surface. In a preferred embodiment of the invention, the bearing includes a plurality of locking ribs which run the longitudinal length of the inner cylindrical wall between the two ends, extending beyond the inner end to form the plurality of locking projections. When assembled, the wheel, axle spindle and bearing share the same axial centerline. The locking ribs of the bearing nonrotatably engage the locking channels of the axle spindle, which is centrally disposed within the wheel bore, thereby providing a nonslipping, particle resistant bearing surface.
    • 提供了一种用于自由轮式手持装置的非腐蚀性,小颗粒的轮轴承轴承组件,其包括轮,轴心和环形轴承。 在本发明的优选实施例中,车轮包括中心孔,面向内的表面和面向外的表面。 面向内的表面包括在车轮和装置主体之间的居中设置的保持器。 面向外的表面包括用于接收推力凸缘的圆柱形凹槽。 轴芯与自由轮装置的主体成一体,并且包括终止于装置本体上的槽中的多个纵向通道。 环形轴承在其外端具有凸缘,在其内端具有多个锁定突起,以及限定中心孔和外部支承表面的内部圆柱形壁。 在本发明的优选实施例中,所述轴承包括多个锁定肋,所述多个锁定肋在所述两个端部之间延伸所述内部圆柱形壁的纵向长度,延伸超出所述内部端部以形成所述多个锁定突起。 组装时,车轮,车轴主轴和轴承共享相同的轴向中心线。 轴承的锁定肋不可旋转地接合轴心的锁定通道,该心轴的中心设置在车轮孔内,从而提供非滑动,抗颗粒的轴承表面。
    • 9. 发明授权
    • Locking trocar sleeve
    • 锁定套管针套
    • US5330497A
    • 1994-07-19
    • US990513
    • 1992-12-15
    • Michael W. FreitasFred A. Allgood
    • Michael W. FreitasFred A. Allgood
    • A61B17/34A61M39/06
    • A61B17/34A61B2017/3492A61M2039/0626A61M2039/0633A61M2039/064A61M2039/0646A61M39/06
    • An improved trocar sleeve (10) is disclosed for use in laparoscopic surgery. The sleeve (10) is provided with an expanded mushroom hinge (20) at the first end (14) of the sleeve inserted into the abdominal cavity. The mushroom hinge (20) can be expanded within the abdominal cavity to abut against the inner surface of the abdominal wall (18) to hold the sleeve in place. A split seal (52) having a concave shape facing the first end (14) of the trocar sleeve (10) is provided to prevent loss of pressurized gas from within the abdominal cavity through the sleeve (10) as the pressure of the gas itself urges the first and second seal lips (78, 80) on opposite sides of the slit in the seal into sealing engagement. In a second embodiment, a member (138) is rotated relative to an end member (150) to actuate the mushroom hinge.
    • 公开了一种用于腹腔镜手术的改进的套针套管(10)。 套筒(10)在插入腹腔的套筒的第一端(14)处设置有膨胀的蘑菇铰链(20)。 蘑菇铰链(20)可以在腹腔内膨胀以抵靠腹壁(18)的内表面以将套管保持在适当的位置。 提供了一种具有面向套管针套管(10)的第一端(14)的凹形的开口密封件(52),以防止气体本身的压力通过套管(10)从腹腔内的压缩气体的损失 促使在密封件中狭缝的相对侧上的第一和第二密封唇(78,80)与密封接合。 在第二实施例中,构件(138)相对于端构件(150)旋转以致动蘑菇铰链。
    • 10. 发明授权
    • Toilet bowl mountable trap door cat litter box
    • 厕所可安装的陷阱门猫砂箱
    • US5216979A
    • 1993-06-08
    • US695723
    • 1991-05-06
    • Earnest W. SalleeMichael W. Freitas
    • Earnest W. SalleeMichael W. Freitas
    • A01K1/01
    • E03D11/02A01K1/0121
    • A portable cat litter box adjustably mountable on a toilet bowl is provided with the litter box equipped with a trap door and trap door opening mechanism for dumping litter from the box directly into a toilet bowl for ease of litter disposal. A pull member connected to the trap door is moveable from a forward trap door closed position to a pulled out trap door opened position tilted downward from a rear pivot mount structure. Opposite side slotted cam guide structure for the trap door opening and closing are mounted on the bottom of the cat litter box with rod segments mounted on a back and forth trap door movement structure and extended into the oposite side cam guides.
    • 可调节地安装在马桶上的便携式猫砂箱设置有装有捕集门和捕集门打开机构的垃圾箱,用于将垃圾从箱中直接倒入马桶中以便于处理垃圾。 连接到收集门的牵引构件可从前向收集器门关闭位置移动到从后部枢转安装结构向下倾斜的拉出捕获门打开位置。 用于收集器门打开和关闭的相对的侧槽凸轮引导结构安装在猫砂箱的底部,其中杆段安装在前后收集门移动结构上并延伸到相对侧凸轮引导件中。