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    • 7. 发明授权
    • Medical device for delivering biologically active material
    • 用于输送生物活性物质的医疗装置
    • US07445629B2
    • 2008-11-04
    • US10987284
    • 2004-11-11
    • Arthur RosenthalJames J. BarryMatthew Miller
    • Arthur RosenthalJames J. BarryMatthew Miller
    • A61F2/06
    • A61F2/90A61F2/91A61F2/915A61F2002/91525A61F2002/91533A61F2002/91575A61F2250/0014A61F2250/0067A61L31/16A61L31/18A61L2300/00
    • This invention relates generally to medical devices, such as stents, for delivering a biologically active material to a desired location within the body of a patient. In particular, the invention relates generally to a medical device for delivering a biologically active material to a surface of a body lumen. More particularly, the invention is directed to a medical device comprising two opposing end sections, each having a surface, and a middle portion. The middle portion comprises a plurality of struts and the two opposing end sections comprises non-structural elements. The end sections of the surface either (1) contain a greater amount of a biologically active material per unit length of the surface or (2) have a greater capacity per unit length to contain such material than the middle section of the surface by having a greater surface area per unit length of the surface than the middle section or having a greater affinity for the biologically active material per unit length of the surface than the middle section. The struts and the non-structural elements comprise biologically active materials. The invention is also directed to a method for delivering the biologically active material to the body tissue of a patient by inserting this medical device into the body of the patient. Still further, the invention is directed to a method of treating a body lumen surface by preventing or treating restenosis or hyperplasia, using the system of the invention. Still further, the invention is directed to a stent having a sidewall which comprises a middle section, a first end section and a second end section. The stent also comprises a band comprising a biologically active material. The band is connected to the first end section and/or second end section of the stent.
    • 本发明一般涉及用于将生物活性材料递送到患者体内期望位置的医疗装置,例如支架。 具体地,本发明一般涉及用于将生物活性物质输送到体腔表面的医疗装置。 更具体地,本发明涉及一种医疗装置,其包括两个相对的端部部分,每个端部部分具有表面和中间部分。 中间部分包括多个支柱,并且两个相对的端部部分包括非结构元件。 表面的端部(1)在表面的每单位长度上含有更多量的生物活性材料,或(2)通过具有 比中间部分表面单位长度更大的表面积,或者比中间部分具有比表面单位长度更高的生物活性物质的亲和力。 支柱和非结构元件包括生物活性材料。 本发明还涉及一种通过将该医疗装置插入患者体内将生物活性物质递送到患者的身体组织的方法。 此外,本发明涉及使用本发明的系统通过预防或治疗再狭窄或增生来治疗体腔表面的方法。 此外,本发明涉及具有侧壁的支架,该侧壁包括中间部分,第一端部部分和第二端部部分。 支架还包括包含生物活性材料的带。 带子连接到支架的第一端部段和/或第二端部分。
    • 8. 发明申请
    • Medical device for delivering biologically active material
    • 用于输送生物活性物质的医疗装置
    • US20050113903A1
    • 2005-05-26
    • US10987284
    • 2004-11-11
    • Arthur RosenthalJames BarryMatthew Miller
    • Arthur RosenthalJames BarryMatthew Miller
    • A61L27/00A61F2/00A61F2/90A61K31/337A61K31/436A61K31/517A61K31/573A61K38/00A61F2/06
    • A61F2/90A61F2/91A61F2/915A61F2002/91525A61F2002/91533A61F2002/91575A61F2250/0014A61F2250/0067A61L31/16A61L31/18A61L2300/00
    • This invention relates generally to medical devices, such as stents, for delivering a biologically active material to a desired location within the body of a patient. In particular, the invention relates generally to a medical device for delivering a biologically active material to a surface of a body lumen. More particularly, the invention is directed to a medical device comprising two opposing end sections, each having a surface, and a middle portion. The middle portion comprises a plurality of struts and the two opposing end sections comprises non-structural elements. The end sections of the surface either (1) contain a greater amount of a biologically active material per unit length of the surface or (2) have a greater capacity per unit length to contain such material than the middle section of the surface by having a greater surface area per unit length of the surface than the middle section or having a greater affinity for the biologically active material per unit length of the surface than the middle section. The struts and the non-structural elements comprise biologically active materials. The invention is also directed to a method for delivering the biologically active material to the body tissue of a patient by inserting this medical device into the body of the patient. Still further, the invention is directed to a method of treating a body lumen surface by preventing or treating restenosis or hyperplasia, using the system of the invention. Still further, the invention is directed to a stent having a sidewall which comprises a middle section, a first end section and a second end section. The stent also comprises a band comprising a biologically active material. The band is connected to the first end section and/or second end section of the stent.
    • 本发明一般涉及用于将生物活性材料递送到患者体内期望位置的医疗装置,例如支架。 具体地,本发明一般涉及用于将生物活性物质输送到体腔表面的医疗装置。 更具体地,本发明涉及一种医疗装置,其包括两个相对的端部部分,每个端部部分具有表面和中间部分。 中间部分包括多个支柱,并且两个相对的端部部分包括非结构元件。 表面的端部(1)在表面的每单位长度上含有更多量的生物活性材料,或(2)通过具有 比中间部分表面单位长度更大的表面积,或者比中间部分具有比表面单位长度更高的生物活性物质的亲和力。 支柱和非结构元件包括生物活性材料。 本发明还涉及一种通过将该医疗装置插入患者体内将生物活性物质递送到患者的身体组织的方法。 此外,本发明涉及使用本发明的系统通过预防或治疗再狭窄或增生来治疗体腔表面的方法。 此外,本发明涉及具有侧壁的支架,该侧壁包括中间部分,第一端部部分和第二端部部分。 支架还包括包含生物活性材料的带。 带子连接到支架的第一端部段和/或第二端部分。