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    • 1. 发明授权
    • Antibacterial coated medical implants
    • 抗菌涂层医疗植入物
    • US5217493A
    • 1993-06-08
    • US850197
    • 1992-03-11
    • Issam I. RaadRabih O. Darouiche
    • Issam I. RaadRabih O. Darouiche
    • A61L29/00A01N1/02A61K31/65A61L27/00A61L27/54A61L29/16A61M25/00
    • A61K31/65A61K31/70A61L27/54A61L29/16A61L2300/406A61L2300/45A61L2300/606
    • An implantable medical device having long lasting resistance to staphylococcal biofilm colonization is provided. Implantable medical devices such as catheters, shunts, prosthesis, pacemakers, etc. are susceptible to colonization by biofilm adherent microorganisms, especially staphylococci. While systemic staphylococcal infections are effectively treated by many antibiotics, vancomycin being the antibiotic of choice, this same bacteria when encased in biofilm adhering to indwelling medical devices is generally resistant to antibiotic treatment. By the present invention, the combination of rifampin and minocycline or the combination of rifampin and novobiocin when coated on the surfaces of implantable medical devices unexpectedly provides superior antibacterial activity against staphylococcal biofilm colonization on the coated surface of indwelling medical devices.
    • 提供了具有对葡萄球菌生物膜定植具有长期抗性的可植入医疗装置。 诸如导管,分流器,假体,起搏器等的植入式医疗装置易受生物膜粘附微生物特别是葡萄球菌的定植。 虽然系统性葡萄球菌感染被许多抗生素有效地治疗,万古霉素是选择的抗生素,但是当包裹在附着在留置医疗器械上的生物膜中时,这种相同的细菌通常抗抗生素治疗。 通过本发明,当涂覆在可植入医疗装置的表面上时,利福平和米诺环素的组合或利福平和新生霉素的组合意外地在留置医疗装置的涂覆表面上提供了优异的抗葡萄球菌生物膜定植的抗细菌活性。
    • 2. 发明授权
    • Antimicrobial impregnated catheters and other medical implants
    • 抗菌浸渍导管和其他医疗植入物
    • US5902283A
    • 1999-05-11
    • US824595
    • 1997-03-26
    • Rabih O. DarouicheIssam Raad
    • Rabih O. DarouicheIssam Raad
    • A61M25/00A61F2/00A61F2/06A61F2/24A61F2/26A61L27/00A61L27/54A61L29/00A61L29/16A61L33/00A61M25/16
    • A61L29/16A61L27/54A61F2/26A61F2250/0067A61L2300/404A61L2300/406A61L2300/802A61M25/0017
    • A non-metallic antimicrobial impregnated medical implant, such as a catheter, and a method for impregnating a non-metallic medical implant with an antimicrobial agent is provided. The method for making the impregnated implant comprises the steps of forming an antimicrobial composition of an effective concentration to inhibit the growth of organisms, such as staphylococci, other gram-positive bacteria, gram-negative bacilli and Candida and applying the antimicrobial composition to at least a portion of the medical implant under conditions where the antimicrobial composition permeates the material of the medical implant. The antimicrobial composition is formed by dissolving an antimicrobial agent in an organic solvent, adding a penetrating agent to the composition, and adding an alkalinizing agent to the composition. The antimicrobial composition is preferably heated to a temperature between about 30.degree. C. and 70.degree. C. prior to applying the composition to the medical implant to enhance the adherence of the antimicrobial agent to the medical implant material. After the impregnated implant is removed from the antimicrobial solution, the impregnated implant is allowed to dry then rinsed with a liquid and milked to remove excess granular deposits and ensure uniform color of the impregnated implant.
    • 提供非金属抗菌浸渍医用植入物,例如导管,以及用抗微生物剂浸渍非金属医用植入物的方法。 制备浸渍植入物的方法包括以下步骤:形成有效浓度的抗微生物组合物,以抑制诸如葡萄球菌,其它革兰氏阳性菌,革兰氏阴性杆菌和假丝酵母等生物体的生长,并将抗微生物组合物施用至少 医疗植入物的一部分在抗微生物组合物渗透到医用植入物的材料的条件下。 抗微生物组合物通过将抗微生物剂溶解在有机溶剂中,向组合物中加入渗透剂,并向组合物中加入碱化剂形成。 在将组合物施用于医用植入物之前,抗微生物组合物优选加热至约30℃至70℃之间的温度,以增强抗微生物剂对医用植入材料的粘附性。 在将浸渍的植入物从抗微生物溶液中取出后,将浸渍的植入物干燥,然后用液体冲洗并挤压以除去多余的颗粒沉积物,并确保浸渍的植入物的均匀颜色。
    • 6. 发明授权
    • Anti-infective endotracheal tube
    • 抗感染性气管内导管
    • US07452345B2
    • 2008-11-18
    • US10664519
    • 2003-09-17
    • Rabih O. DarouicheRandall A. Prince
    • Rabih O. DarouicheRandall A. Prince
    • A61B17/20
    • A61M16/04A61M16/0484
    • A multi-lumen endotracheal tube has means for coating an inside and an outside surface of the endotracheal tube with antimicrobial and antibiofilm agents; means for releasing antimicrobial and antibiofilm agents from the endotracheal tube; means for using electrical current to enhance the efficacy of the antimicrobial and antibiofilm agents; and means for using ultrasound energy to enhance the efficacy of the antimicrobial and antibiofilm agents. In another feature of the present invention, the multi-lumen tube further has an outer lumen, and a concentric inner lumen, and the outer lumen contains the means for coating, the means for releasing, the means for using electrical current, and the means for using ultrasound energy. In another feature of the present invention, the inside and outside surfaces have a surface coating to reduce the buildup of bacteria and biofilm on the surface.
    • 多腔气管内管具有用抗微生物剂和抗菌剂来涂覆气管内管的内表面和外表面的装置; 用于从气管内管释放抗微生物剂和抗菌剂的方法; 使用电流增强抗微生物剂和抗菌剂的功效的方法; 以及使用超声波能量来增强抗微生物剂和抗菌剂的功效的方法。 在本发明的另一个特征中,多腔管还具有外腔和同心的内腔,并且外腔包含用于涂覆的装置,用于释放用于使用电流的装置的装置, 使用超声能量。 在本发明的另一个特征中,内表面和外表面具有表面涂层,以减少表面上细菌和生物膜的积累。
    • 7. 发明授权
    • Antimicrobial impregnated catheters and other medical implants and
method for impregnating catheters and other medical implants with an
antimicrobial agent
    • 抗微生物浸渍导管和其他医用植入物以及用抗菌剂浸渍导管和其它医用植入物的方法
    • US5624704A
    • 1997-04-29
    • US427379
    • 1995-04-24
    • Rabih O. DarouicheIssam Raad
    • Rabih O. DarouicheIssam Raad
    • A61M25/00A61F2/00A61F2/06A61F2/24A61F2/26A61L27/00A61L27/54A61L29/00A61L29/16A61L33/00A61M25/16B05D3/12B05D7/02B05D10/34
    • A61L29/16A61L27/54A61F2/26A61F2250/0067A61L2300/404A61L2300/406A61L2300/802A61M25/0017
    • A non-metallic antimicrobial impregnated medical implant, such as a catheter, and a method for impregnating a non-metallic medical implant with an antimicrobial agent is provided. The method for making the impregnated implant comprises the steps of forming an antimicrobial composition of an effective concentration to inhibit the growth of organisms, such as staphylococci, other gram-positive bacteria, gram-negative bacilli and Candida and applying the antimicrobial composition to at least a portion of the medical implant under conditions where the antimicrobial composition permeates the material of the medical implant. The antimicrobial composition is formed by dissolving an antimicrobial agent in an organic solvent, adding a penetrating agent to the composition, and adding an alkalinizing agent to the composition. The antimicrobial composition is preferably heated to a temperature between about 30.degree. C. and 70.degree. C. prior to applying the composition to the medical implant to enhance the adherence of the antimicrobial agent to the medical implant material. After the impregnated implant is removed from the antimicrobial solution, the impregnated implant is allowed to dry then rinsed with a liquid and milked to remove excess granular deposits and ensure uniform color of the impregnated implant.
    • 提供非金属抗菌浸渍医用植入物,例如导管,以及用抗微生物剂浸渍非金属医用植入物的方法。 制备浸渍植入物的方法包括以下步骤:形成有效浓度的抗微生物组合物,以抑制诸如葡萄球菌,其它革兰氏阳性菌,革兰氏阴性杆菌和假丝酵母等生物体的生长,并将抗微生物组合物施用至少 医疗植入物的一部分在抗微生物组合物渗透到医用植入物的材料的条件下。 抗微生物组合物通过将抗微生物剂溶解在有机溶剂中,向组合物中加入渗透剂,并向组合物中加入碱化剂形成。 在将组合物施用于医用植入物之前,抗微生物组合物优选加热至约30℃至70℃之间的温度,以增强抗微生物剂对医用植入材料的粘附性。 在将浸渍的植入物从抗微生物溶液中取出后,将浸渍的植入物干燥,然后用液体冲洗并挤压以除去多余的颗粒沉积物,并确保浸渍的植入物的均匀颜色。