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    • 2. 发明授权
    • Method for forming an electrophysiology catheter
    • 形成电生理学导管的方法
    • US5888577A
    • 1999-03-30
    • US885501
    • 1997-06-30
    • Joseph C. Griffin, IIIDavid A. Jenkins
    • Joseph C. Griffin, IIIDavid A. Jenkins
    • A61L29/10B05D3/00B05D5/12
    • A61L29/10
    • A catheter has an electrically conductive material coated, deposited, or otherwise formed directly on the outer surface of the catheter. Preferably, an outer electrode is formed by ion-beam assisted deposition using a preselected metal for efficient vaporization onto the designated surface region of the catheter body. Alternatively, the electrically conductive coating may be formed by sputtering the metal onto that region of the catheter, vacuum deposition, spraying, or printing the electrically conductive material onto the entire surface region. Portions of the coating may be removed by directing a laser beam onto the outer surface of the catheter and ablating such portions. The result is an electrically conductive coating of desired thickness used to form a relatively uniform electrode throughout the desired length and surface region of the catheter body to improve the characteristics of electric field and to form an electrode which flexes to substantially the same extent as the catheter body without such a coating. As a result, the electrode does not impede the flexibility of the catheter.
    • 导管具有涂覆,沉积或以其它方式直接形成在导管的外表面上的导电材料。 优选地,外电极通过使用预选金属的离子束辅助沉积形成,以便有效地蒸发到导体主体的指定表面区域上。 或者,可以通过将金属溅射到导管的该区域,真空沉积,喷涂或将导电材料印刷到整个表面区域上来形成导电涂层。 可以通过将激光束引导到导管的外表面并消融这些部分来去除涂层的部分。 结果是所需厚度的导电涂层用于在导体主体的所需长度和表面区域形成相对均匀的电极,以改善电场的特性并形成电极,其弯曲到与导管大体相同的程度 身体没有这样的涂层。 结果,电极不妨碍导管的柔性。
    • 3. 发明授权
    • Process for the recovery of terephthalic acid and ethylene glycol from
poly(ethylene terephthalate)
    • 从聚对苯二甲酸乙二醇酯回收对苯二甲酸和乙二醇的方法
    • US5413681A
    • 1995-05-09
    • US151637
    • 1993-11-15
    • Gerald C. TustinThomas M. Pell, Jr.David A. JenkinsMary T. Jernigan
    • Gerald C. TustinThomas M. Pell, Jr.David A. JenkinsMary T. Jernigan
    • B01D3/00B01D3/14C07C51/09
    • C07C51/09B01D3/009B01D3/146C08J11/14C08J2367/02Y02P20/127Y02W30/704Y10S203/13Y10S203/17
    • A process useful for the recovery of terephthalic acid and ethylene glycol from poly(ethylene terephthalate) or its copolymers. The process is economical, beneficial to the environment and provides polymer grade terephthalic acid and ethylene glycol from post-consumer resin. The process is a six-step process including: (1) contacting a resin containing poly(ethylene terephthalate) with water at elevated temperature and pressure, (2) cooling the resulting mixture to provide a solid portion containing terephthalic acid and a liquid portion containing ethylene glycol, (3) recovery of the ethylene glycol from the liquid portion by distillation, (4) recovery of the terephthalic acid by heating the solid portion in the presence of water vapor at elevated temperature to produce a vapor containing terephthalic acid and water, (5) cooling terephthalic acid water vapor mixture to a temperature below the dew point of terephthalic acid and (6) collecting the polymer grade terephthalic acid. The polymer grade terephthalic acid and ethylene glycol provided by this process can be used to make high quality terephthalate homopolymers or copolymers for applications including clear bottles and fibers.
    • 用于从聚对苯二甲酸乙二醇酯或其共聚物中回收对苯二甲酸和乙二醇的方法。 该方法是经济的,有利于环境,并提供来自消费后树脂的聚合物级对苯二甲酸和乙二醇。 该方法是六步法,其包括:(1)在升高的温度和压力下使包含聚对苯二甲酸乙二醇酯的树脂与水接触,(2)冷却所得混合物以提供含有对苯二甲酸的固体部分和含有 乙二醇,(3)通过蒸馏从液体部分回收乙二醇,(4)通过在水蒸汽存在下在高温下加热固体部分来回收对苯二甲酸,以产生含有对苯二甲酸和水的蒸汽, (5)将对苯二甲酸水蒸气混合物冷却至低于对苯二甲酸露点的温度,和(6)收集聚合物级对苯二甲酸。 通过该方法提供的聚合物级对苯二甲酸和乙二醇可用于制备用于包括透明瓶和纤维的应用的高质量对苯二甲酸酯均聚物或共聚物。
    • 7. 发明授权
    • Medical device for use in laparoscopic surgery
    • 用于腹腔镜手术的医疗器械
    • US06477423B1
    • 2002-11-05
    • US09713553
    • 2000-11-15
    • David A. Jenkins
    • David A. Jenkins
    • A61N105
    • A61N1/05
    • An improved medical implant device is provided which is designed and adapted for use in laparoscopic surgery. This medical implant device is especially adapted for precise and proper placement of the electrodes relative to the tissue to be treated. Additionally, the medical implant device, once properly placed, can be secured so as to substantially reduce the risk of displacement of the device, and especially the electrodes, during normal movement of the tissue. This medical implant device is especially adapted for electrostimulation and/or electrical monitoring of endo-abdominal tissue or viscera. Generally, the implant devices of this invention have an elongated body equipped with immobilizing mechanisms or devices to secure it to the tissue or viscera to be treated and two or more electric poles that are electrically connected to an electric connection terminal for connection to a power source, a mechanism for penetration of the tissue or viscera to be treated, and a quick-release connecting device to separate the penetration device from the elongated body. The improved medical implant device of this invention is obtained by precisely controlling the relative positioning of the electrodes and the immobilizing mechanisms along the elongated body. This implant device can be easily inserted and properly placed or anchored in the viscera to be stimulated. This improved implant device includes electric poles and immobilizing components properly disposed with respect to each other to ensure effective electrostimulation and/or electrical monitoring of the tissue or viscera of the mammalian body (especially the human body), especially tissue and internal organs the endo-abdominal cavity.
    • 提供了一种改进的医疗植入装置,其被设计和适用于腹腔镜手术。 该医用植入装置特别适用于电极相对于待治疗组织的精确和适当放置。 另外,医疗植入装置一旦被适当地放置就可以被固定,以便在组织的正常运动期间基本上降低装置尤其是电极的位移的风险。 该医用植入装置特别适合于对内腹组织或内脏进行电刺激和/或电监测。 通常,本发明的植入装置具有装备有固定机构或装置的细长体,以将其固定到待治疗的组织或内脏,以及电连接到电连接端子用于连接到电源的两个或多个电极 ,用于穿透待治疗的组织或内脏的机构,以及用于将穿透装置与细长体分开的快速释放连接装置。 通过精确地控制电极和固定机构沿细长体的相对定位,获得了本发明改进的医疗植入装置。 该植入装置可以容易地插入并适当地放置或锚定在内脏中以被刺激。 这种改进的植入装置包括相对于彼此适当地设置的电极和固定部件,以确保哺乳动物身体(特别是人体)的组织或内脏的有效的电刺激和/或电监测,特别是内 - 腹腔
    • 8. 发明授权
    • Bipolar electrosurgical knife
    • 双极电刀
    • US4202337A
    • 1980-05-13
    • US806529
    • 1977-06-14
    • John J. HrenDavid E. ClarkDavid A. JenkinsPaul F. Johnson, IIIHowead E. Degler, Jr.
    • John J. HrenDavid E. ClarkDavid A. JenkinsPaul F. Johnson, IIIHowead E. Degler, Jr.
    • A61B18/14A61B17/36A61N3/02
    • A61B18/1402
    • An electrosurgical instrument for cutting, spot coagulation and point coagulation comprising a nonconductive handle which holds a blade assembly comprising a plurality of electrodes and an insulation member separating the electrodes.The blade assembly comprises an active center electrode of specified thickness with a recessed tip and is mounted to an extruded insulation member so that it extends outwardly from the insulation member to form a cutting edge.Split side return electrodes are symmetrically mounted to the insulation member and separated from the center electrode by the insulation member. The electrode area ratio of the return electrode area to the active electrode area falls between 0.70 and 2.0 allowing consistent bipolar operation.The electrodes are connected inside the nonconductive handle to a circuit whose output consists of a high frequency electrical current which forms a circuit through tissue intervening between and in contact with the electrodes when the instrument is used.
    • 一种用于切割,点凝和点凝的电外科器械,其包括保持包括多个电极的刀片组件和分离电极的绝缘构件的非导电手柄。 叶片组件包括具有凹入尖端的特定厚度的活性中心电极,并且安装到挤出绝缘构件,使得其从绝缘构件向外延伸以形成切割边缘。 分离侧返回电极对称地安装到绝缘构件,并通过绝缘构件与中心电极分离。 返回电极面积与有效电极面积的电极面积比在0.70和2.0之间,允许一致的双极性操作。 电极在非导电手柄内部连接到电路,该电路的输出由高频电流组成,当使用仪器时,电流通过介于电极之间的组织形成电路。
    • 9. 发明授权
    • Protein beverage and method of making the same
    • 蛋白饮料及其制作方法
    • US07794770B2
    • 2010-09-14
    • US11683338
    • 2007-03-07
    • Shawn SherwoodDavid A. JenkinsSteven A. Rittmanic
    • Shawn SherwoodDavid A. JenkinsSteven A. Rittmanic
    • A23C21/00
    • A23C21/08A23J3/00A23L2/66A23L2/68C12G3/04
    • An improved protein beverage/drink composition which may provide a relatively high protein content, ranging from about 0.01% by weight to about 15% by weight, while optionally employing a carbonation concentration between about 0.1 volumes of carbonation (per volume of liquid drink solution or liquid drink suspension) to about 6 volumes of carbonation. Preferably the protein is a protein, such preferably as whey protein, or others. The protein beverage may contain juice and/or an additive which provides energy generation enhancement. The protein beverage may be heat treated to inactivate pathogenic microbes in the presence of the carbonation which may be used to provide taste and mouth feel for the drink. Typically, the treatment for pathogenic microbe inactivation is carried out in the individual package used for storage and handling of the protein drink.
    • 可以提供约0.01重量%至约15重量%的相对较高蛋白质含量的改进的蛋白质饮料组合物,同时任选地使用碳酸化浓度约0.1体积%的碳酸化(每体积液体饮料溶液或 液体饮料悬浮液)至约6体积的碳酸化。 优选地,蛋白质是蛋白质,优选如乳清蛋白质或其它蛋白质。 蛋白质饮料可以含有提供能量产生增强的果汁和/或添加剂。 蛋白质饮料可以在碳酸化的存在下进行热处理以灭活致病微生物,其可用于为饮料提供口味和口感。 通常,用于病毒微生物灭活的处理在用于储存和处理蛋白质饮料的单个包装中进行。