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    • 3. 发明申请
    • Biofilm-Inhibiting Catheters and Tubings
    • 生物膜抑制导管和管
    • US20090255536A1
    • 2009-10-15
    • US12420671
    • 2009-04-08
    • Yossef Av-GayLivia MahlerChristopher C. Miller
    • Yossef Av-GayLivia MahlerChristopher C. Miller
    • A61L29/16A61M16/04A61M27/00B05D7/24
    • A61L29/16A61L2300/114A61L2300/404A61M16/04A61M16/0465A61M2025/0056
    • Antimicrobial and biofilm-inhibiting nitric oxide-releasing medical appliances for installation into a patient, and processes for producing the medical appliances. The medical appliances are configured for conveying materials into and out of the patient's body and may comprise tubings or pouching systems. The medical appliances comprise a gas-permeable cured resin material selected from the group consisting of curable silicones, polyvinyl acetates, thermoplastic elastomers, acrylonitrile-butadiene-styrene copolymer rubber, polyurethanes and selected combinations thereof, wherein the gas-permeable cured resin material comprises a matrix suitable for releasably sequestering therein permeating gases. A plurality of nitric-oxide gas-releasing moieties is sequestered within and through the gas-permeable resin material. Nitric oxide is released from at least a portion of said plurality of nitric oxide gas-releasing moieties upon contact of the medical appliance with a moisture source. Exemplary medical appliances include endotracheal tubes, crichotracheotomy tubes, urinary catheters, wound drainage tubes, central intravenous catheters, peripheral intravenous catheters, and poucing systems.
    • 用于安装到患者体内的抗菌和生物膜抑制一氧化氮释放医疗器具,以及用于生产医疗器具的方法。 医疗器具被配置为将材料输送进入和离开患者身体,并且可以包括管道或包囊系统。 所述医疗器具包括选自可固化的硅酮,聚乙酸乙烯酯,热塑性弹性体,丙烯腈 - 丁二烯 - 苯乙烯共聚物橡胶,聚氨酯及其选择的组合的透气性固化树脂材料,其中透气性固化树脂材料包括 基质适于在其中可释放地封闭渗透气体。 多个一氧化氮气体释放部分被隔离在透气性树脂材料内并通过透气性树脂材料。 当医疗器具与湿气源接触时,一氧化氮从所述多个一氧化氮气体释放部分的至少一部分释放。 示例性医疗器具包括气管内导管,气管切开术管,导尿管,伤口引流管,中央静脉导管,外周静脉导管和灌注系统。
    • 6. 发明授权
    • Device and method for treatment of surface infections with nitric oxide
    • 用一氧化氮治疗表面感染的装置和方法
    • US08795222B2
    • 2014-08-05
    • US13006218
    • 2011-01-13
    • Alex StenzlerChristopher C. Miller
    • Alex StenzlerChristopher C. Miller
    • A61M37/00A61M1/00A01N59/02
    • A61M35/00A61B90/40A61H33/14A61K33/00A61L2/0094A61L15/18A61L15/44A61L2300/114A61L2300/602A61M1/0031A61M1/0088A61M13/003A61M13/006A61M2202/0275A61M2205/3334A61K2300/00
    • Topical exposure of nitric oxide gas to wounds such as chronic non-healing wounds may be beneficial in promoting healing of the wound and in preparing the wound bed for further treatment and recovery. Nitric oxide gas may be used, for example, to reduce the microbial infection and burden on these wounds, manage exudate secretion by reducing inflammation, upregulate expression of endogenous collagenase to locally debride the wound, and regulate the formation of collagen. High concentration of nitric oxide ranging from about 160 to 400 ppm may be used without inducing toxicity in the healthy cells around a wound site. Additionally, exposure to the high concentration for a first treatment period reduces the microbial burden and inflammation at the wound site and increase collagenase expression to debride necrotic tissue at the wound site. After a first treatment period with high concentration of nitric oxide, a second treatment period at a lower concentration of nitric oxide preferably ranging from about 5-20 ppm may to provided to restore the balance of nitric oxide and induce collagen expression to aid in the closure of the wound.
    • 一氧化氮气体局部暴露于伤口如慢性非愈合伤口可能有益于促进伤口愈合和制备伤口床进一步治疗和恢复。 例如,可以使用一氧化氮气体来减少这些伤口的微生物感染和负担,通过减少炎症,上调内源性胶原酶的表达来局部清创伤口并调节胶原的形成来控制渗出物分泌。 可以使用约160至400ppm范围内的高浓度一氧化氮,而不会在伤口部位周围的健康细胞中引起毒性。 此外,在第一次治疗期间暴露于高浓度可减少伤口部位的微生物负担和炎症,并增加胶原酶表达以清除伤口部位的坏死组织。 在具有高浓度一氧化氮的第一次治疗期后,可提供较低浓度的一氧化氮优选约5-20ppm的第二治疗期以恢复一氧化氮的平衡并诱导胶原表达以帮助闭合 的伤口。
    • 10. 发明申请
    • DEPLOYABLE AND RETRACTABLE MEMBER FOR INJECTION PORT
    • 注射口可配合和可退回的会员
    • US20120108893A1
    • 2012-05-03
    • US12938719
    • 2010-11-03
    • Christopher C. Miller
    • Christopher C. Miller
    • A61F2/00
    • A61M39/0208A61F5/0056
    • An apparatus comprises a housing and one or more deployable protrusions. The apparatus defines a fluid reservoir and presents an upper surface. The housing is sized and configured to be implanted within a patient. The protrusions are selectively movable from a first position to a second position. The protrusions are at least partially retracted relative to the housing when the protrusions are in the first position. The protrusions are at least partially extended relative to the housing when the protrusions are in the second position. The protrusions may be in the form of substantially cylindraceous posts, semi-circular members, or other shapes. The protrusions may be actuated mechanically, electromechanically, or otherwise. The apparatus may be provided as an injection port, as part of a gastric band system or otherwise. The deployed protrusions may facilitate location of the implanted port through external palpation of the patient's abdomen.
    • 一种装置包括壳体和一个或多个可部署突起。 该装置限定流体储存器并呈现上表面。 外壳的尺寸和构造被植入患者体内。 突起可以选择性地从第一位置移动到第二位置。 当突起处于第一位置时,突起至少部分地相对于壳体缩回。 当突起处于第二位置时,突起至少部分地相对于壳体延伸。 突起可以是基本上圆柱形的柱,半圆形构件或其它形状的形式。 突起可以机械地,机电地或其他方式致动。 该装置可以被提供为注射端口,作为胃束带系统的一部分或以其它方式。 部署的突起可以通过患者腹部的外部触诊来促进植入端口的位置。