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    • 7. 发明申请
    • METHODS FOR AMELIORATING PAIN AND DEVICES FOR DELIVERING A MEDICAMENT
    • 用于治疗用于递送药物的疼痛和装置的方法
    • US20120017893A1
    • 2012-01-26
    • US13247783
    • 2011-09-28
    • Tian Xia
    • Tian Xia
    • A61M5/00A61M11/06
    • A61M11/06A61M15/08A61M15/085A61M2202/0468A61M2202/048A61M2202/064A61M2209/06
    • A method for delivering medicament such as for ameliorating pain in a patient includes introducing an injector through a nasal passage of the patient into a region substantially medial and/or posterior and/or inferior to a sphenopalatine ganglion (SPG) of the patient; and delivering a medicament from the injector superiorly and/or laterally and/or anteriorly towards the SPG. A device for delivering a medicament to a patient in need thereof includes (a) an injector containing a first end configured to remain outside a nasal passage of the patient and a second end configured for entry into the nasal passage of the patient; and (b) an introducer configured for engagement with a nostril of the patient and containing a passageway configured for slidably receiving the injector. The injector is moveable between a storage position preceding the engagement and an engaging position pursuant to the engagement.
    • 用于递送药物的方法,例如用于改善患者的疼痛包括将注射器通过患者的鼻通道引入到患者的蝶腭神经节(SPG)的基本内侧和/或后部和/或不足的区域中; 以及从所述注射器向所述SPG递送和/或横向和/或向前投放药物。 一种用于将药物递送到有需要的患者的装置包括(a)注射器,其包含构造成保持在患者鼻通道外部的第一端和构造成进入患者鼻通道的第二端; 和(b)导引器,其构造成用于与患者的鼻孔接合并且包含经配置以可滑动地接收所述注射器的通道。 注射器可以在接合之前的存储位置和根据接合的接合位置之间移动。
    • 9. 发明授权
    • Structure for a high output resistance, wide swing charge pump
    • 结构为高输出电阻,宽摆电荷泵
    • US07701270B2
    • 2010-04-20
    • US11845249
    • 2007-08-27
    • Stephen D. WyattTian Xia
    • Stephen D. WyattTian Xia
    • H03L7/06
    • H03L7/0896H02M3/07H03L7/18
    • Disclosed are design structures for current sink and source circuits, a charge pump, and a phase locked loop. The current sink and source circuits each have a current mirror that biases a transistor connected to an output node. These circuits each further have a two-stage feedback amplifier to sense the current mirror drain voltage and to control the transistor gate voltage in order to stabilize the current mirror drain voltage independent of output voltage at the output node. The amplifier also increases output resistance at the output node. This configuration allows for a wide operation voltage range and ensures good circuit performance under a very low power supply. A charge pump that incorporates these circuits generates highly matched charging and discharging currents. A PLL that incorporates this charge pump exhibits minimal bandwidth shifts and minimal locking speed and jitter performance degradation.
    • 公开了电流吸收和电源电路,电荷泵和锁相环的设计结构。 电流源和电源电路各自具有偏置连接到输出节点的晶体管的电流镜。 这些电路还具有两级反馈放大器以感测电流镜漏极电压并控制晶体管栅极电压,以便稳定电流镜漏极电压,而与输出节点处的输出电压无关。 放大器还增加输出节点的输出电阻。 该配置允许宽的工作电压范围,并在非常低的电源下确保良好的电路性能。 集成这些电路的电荷泵产生高度匹配的充电和放电电流。 集成该电荷泵的PLL具有最小的带宽偏移和最小的锁定速度和抖动性能下降。