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    • 88. 发明授权
    • Bracket table cover
    • 支架台盖
    • US4823957A
    • 1989-04-25
    • US143338
    • 1988-01-13
    • Lewis Skeirik
    • Lewis Skeirik
    • A61C19/00A61G15/10B65D65/32B65D1/34B65D6/04
    • A61C19/00A61G15/10Y10S229/915
    • A stack of improved bracket table cover sheets for use by dentists is disclosed. The sheets have ridges throughout their peripheries. The outer edges of the ridges extend downwardly. The ridges are designed to fit snugly over the peripheral ledges of the bracket table or of a separate backing designed to be positioned on the bracket table. Preferably, one of the raised edges is provided with an integral flap. The improved bracket table cover sheet of the stack comprises a paper component and a water and organic solvent impervious component. In one form, the impervious component is wax that impregnates the paper component. In another form the impervious component is a polymeric coating. Each bracket table cover sheet of the stack is characterized by a drape, hand, and feel that permits it to be easily folded and wrapped into a disposable pack.
    • 公开了一种用于牙科医生使用的改进的支架表盖板。 片材在其周边具有脊。 脊的外边缘向下延伸。 脊被设计成紧密地贴合在支架台的外围壁架上或设计成定位在支架台上的单独背衬上。 优选地,凸起边缘中的一个设置有整体的折片。 堆叠的改进的支架表盖板包括纸部件和水和有机溶剂不可渗透部件。 在一种形式中,不透水组分是浸渍纸组分的蜡。 在另一种形式中,不透水组分是聚合物涂层。 堆叠的每个托架表盖板的特征在于可以容易地折叠并包装成一次性包装的悬垂,手感和感觉。
    • 89. 发明授权
    • Patient supporting device
    • 患者支持装置
    • US4017118A
    • 1977-04-12
    • US678296
    • 1976-04-19
    • Reginald E. Cawley
    • Reginald E. Cawley
    • A47C27/10A61G7/057A61G9/00A61G15/02A61G15/10A61G15/12A47C3/00
    • A61G15/125A61G15/02A61G15/10A61G2200/54A61G7/05769
    • This invention provides a patient supporting device, such as a dental chair, that includes a stationary seat portion with movable backrest and toeboard portions, the chair being provided with a plurality of bladders to vary its contour. This includes bladders on the toeboard selectively inflatable to provide the effect of a deeper seat for the chair. Selectively inflatable bladders on the seat can simulate tilting of the seat when the back is lowered. Spaced bladders on the back support the lumbar region and the shoulders of the patient, and a third bladder on the back supports the patient's spine. Four bladders beneath pads are in the headrest, used in tilting the patient's head. An adustable edge portion for the back supports the patient's arms when in a supine position.
    • 本发明提供了一种患者支撑装置,例如牙科椅,其包括具有可移动靠背和趾部部分的固定座部分,椅子设置有多个气囊以改变其轮廓。 这包括选择性地充气的脚趾上的气囊,以提供椅子更深的座椅的作用。 座椅上的选择性充气气囊可以模拟当背部降低时座椅的倾斜。 背部有间隔的气囊支撑腰部区域和患者的肩膀,背部的第三个膀胱支撑病人的脊柱。 头枕下面有四个垫片,用于倾斜病人的头部。 当仰卧位时,用于背部的柔软的边缘部分支撑患者的手臂。
    • 90. 发明授权
    • Water filled orthopedic chair
    • 充水矫形椅
    • US3999539A
    • 1976-12-28
    • US639258
    • 1975-12-10
    • Robert L. Meador
    • Robert L. Meador
    • A61G15/02A61G15/10A61H21/00
    • A61G15/02A61G15/10
    • A contour chair, mounted for powered articulation on a pedestal, which includes a plurality of transversely aligned flexible containers disposed over the support surface thereof, each container communicating across a corresponding check valve with a common manifold. The other end of the manifold is connected to a pressurized source of water whereby an even distribution of surface pressure is achieved in the support surface of the chair. To provide for retention of a person seated in the chair during the articulation thereof on the pedestal, there is included on the back support area thereof a neck brace adjustable to accommodate various sized torsos. Included further with the chair are two arm rests, one provided with the requisite control buttons for articulating the chair, and the other being hinged to allow convenient ingress and egress onto the chair.
    • 轮廓座椅,安装在基座上用于动力铰接,其包括设置在其支撑表面上方的多个横向对准的柔性容器,每个容器通过相应的止回阀与公共歧管连通。 歧管的另一端连接到加压水源,从而在椅子的支撑表面中实现了均匀的表面压力分布。 为了保持坐在椅子上的人在其在基座上的铰接时,在其背部支撑区域上包括可调整的颈部支架以容纳各种尺寸的躯干。 椅子还包括两个扶手,一个配备有用于铰接椅子的必要的控制按钮,另一个铰接,以便方便地进入和离开椅子。