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    • 3. 发明授权
    • Patient-controlled medication delivery system with overmedication prevention
    • 患者控制的药物输送系统具有过度的预防药物
    • US06719728B2
    • 2004-04-13
    • US09924411
    • 2001-08-07
    • Bradley R. MasonJeffrey T. Mason
    • Bradley R. MasonJeffrey T. Mason
    • A61M500
    • A61M5/1424A61M5/14244A61M5/1456
    • A portable, patient-controlled medication delivery system includes an infusion pump and a catheter assembly. The infusion pump retains a treatment fluid and provides a drive mechanism for delivering the treatment fluid to a patient via the catheter assembly. The infusion pump includes a fluid reservoir, a dosage chamber, a displacement piston displacable within the dosage chamber, a charge flowpath providing fluid communication between the fluid reservoir and the dosage chamber, and a passive flow restrictor positioned in the charge flowpath. An elastic member is also positioned in the infusion pump to exert an elastic displacement force on the displacement piston, which expands the dosage chamber and draws the treatment fluid from the fluid reservoir into the dosage chamber at a charge flow rate controlled by the passive flow restrictor. When an opposing manual displacement force is exerted on the displacement piston, the dosage chamber contracts and discharges the treatment fluid from the dosage chamber to the treatment site.
    • 便携式,患者控制的药物输送系统包括输液泵和导管组件。 输注泵保持处理流体并提供用于经由导管组件将治疗流体递送到患者的驱动机构。 输注泵包括流体储存器,剂量室,置换剂量室内的置换活塞,提供流体储存器和剂量室之间的流体连通的装料流路,以及定位在充气流路中的被动流量限制器。 弹性构件也定位在输注泵中以在移位活塞上施加弹性位移力,其膨胀剂量室,并且将处理流体从流体储存器以由被动流量限制器控制的电荷流量速率吸入剂量室 。 当相反的手动位移力施加在位移活塞上时,剂量室将处理流体从剂量室收缩并排出到治疗部位。
    • 8. 发明授权
    • Knee protector
    • 膝盖保护
    • US4768500A
    • 1988-09-06
    • US13236
    • 1987-02-10
    • Bradley R. MasonJeffrey T. Mason
    • Bradley R. MasonJeffrey T. Mason
    • A61F5/01A61F3/00
    • A61F5/0123A61F2005/0139
    • An athletic knee protector is disclosed wherein a bowed leaf spring hinge structure is supported on load distribution pads or cuffs attached to the thigh and shin of the wearer and is spaced laterally from the lateral side of the knee to protect the knee of an athlete against injury from lateral forces and impacts such as are likely to occur in football. The bowed leaf spring hinge structure absorbs such forces and impacts and redistributes them at locations spaced substantially above and below the knee proximate the strong bones of the leg. Preloading of knee ligaments in the lateral/medial direction is avoided, and lateral forces and impacts are better distributed, by connecting the pads or cuffs to the hinge structure with a free rocking or pivoting action in the lateral/medial direction. Also, the pads or cuffs are made more adaptable to the curvature of the leg by a variable flexibility in the anterior/posterior direction so that attachment and working loads applied to the leg are spread out more uniformly.
    • 公开了一种运动膝盖保护器,其中弓形弹簧铰链结构支撑在附着于穿戴者的大腿和胫骨的负荷分布垫或袖带上,并且与膝盖的侧面横向隔开以保护运动员的膝盖免受伤害 从侧面的力量和冲击,如可能发生在足球。 弓形弹簧铰链结构吸收这种力和冲击,并将它们重新分布在靠近腿部的强壮的膝部附近大致高于和低于膝部的位置处。 避免膝盖韧带在横向/内侧方向的预加载,并且通过在侧向/内侧方向上以自由的摆动或枢转作用将垫或袖口连接到铰链结构,从而更好地分布横向力和冲击力。 此外,垫或袖口通过前/后方向上的可变柔性使得脚架的曲率更适应于腿部的曲率,使得施加到腿部的附接和工作负荷更均匀地展开。