Catheter systems with interchangeable parts
    1.
    发明授权
    Catheter systems with interchangeable parts 失效
    导管系统具有可互换部件

    公开(公告)号:US5941871A

    公开(公告)日:1999-08-24

    申请号:US45390

    申请日:1998-03-20

    IPC分类号: A61M25/00 A61M25/01 A61M29/02

    摘要: A catheter system having a changeable distal member. The catheter system includes a proximal member, including a shaft having a proximal end, a distal end and a lumen extending therethrough. A distal member is included having a distal portion which may be passed through the lumen of the proximal member and releasably sealed to the proximal member at a desired location during a catheter procedure. The distal member may further include a push member operably coupled to the distal portion. The distal member may include a fluid-tight releasable seal for releasably sealing the distal member to the proximal member.

    摘要翻译: 一种具有可变远端构件的导管系统。 导管系统包括近端构件,其包括具有近端,远端和延伸通过其的内腔的轴。 包括远侧构件,其具有可以穿过近端构件的内腔的远端部分,并且在导管过程期间在期望位置处可释放地密封到近端构件。 远侧构件还可包括可操作地联接到远侧部分的推动构件。 远端构件可以包括用于将远端构件可释放地密封到近端构件的流体密封的可释放密封件。

    Percutaneous myocardial revascularization
    3.
    发明申请
    Percutaneous myocardial revascularization 失效
    经皮心肌血运重建

    公开(公告)号:US20080314394A9

    公开(公告)日:2008-12-25

    申请号:US11191056

    申请日:2005-07-28

    IPC分类号: A61B19/00 A61B18/18

    摘要: Devices and methods for creating a series of percutaneous myocardial revascularization (PMR) channels in the heart. One method includes forming a pattern of channels in the myocardium leading from healthy tissue to hibernating tissue. Suitable channel patterns include lines and arrays. One method includes anchoring a radiopaque marker to a position in the ventricle wall, then using fluoroscopy repeatedly to guide positioning of a cutting tip in the formation of multiple channels. Another method uses radiopaque material injected into each channel formed, as a marker. Yet another method utilizes an anchorable, rotatable cutting probe for channel formation about an anchor member, where the cutting probe can vary in radial distance from the anchor. Still another method utilizes a multiple wire radio frequency burning probe, for formation of multiple channels simultaneously. Still another method utilizes liquid nitrogen to cause localized tissue death.

    摘要翻译: 在心脏中创建一系列经皮心肌血运重建(PMR)通道的装置和方法。 一种方法包括在从健康组织导向冬眠组织的心肌中形成通道图案。 合适的渠道模式包括线和阵列。 一种方法包括将不透射线标记物固定在心室壁中的位置,然后重复使用荧光透视来引导切割尖端在形成多个通道中的定位。 另一种方法使用注射到形成的每个通道中的不透射线材料作为标记。 另一种方法利用可锚定的,可旋转的切割探针,用于围绕锚定构件的通道形成,其中切割探针可以与锚固件的径向距离变化。 另一种方法是利用多线射频燃烧探头,同时形成多个通道。 另一种方法利用液氮引起局部组织死亡。

    Percutaneous myocardial revascularization
    4.
    发明申请
    Percutaneous myocardial revascularization 失效
    经皮心肌血运重建

    公开(公告)号:US20050257796A1

    公开(公告)日:2005-11-24

    申请号:US11191056

    申请日:2005-07-28

    摘要: Devices and methods for creating a series of percutaneous myocardial revascularization (PMR) channels in the heart. One method includes forming a pattern of channels in the myocardium leading from healthy tissue to hibernating tissue. Suitable channel patterns include lines and arrays. One method includes anchoring a radiopaque marker to a position in the ventricle wall, then using fluoroscopy repeatedly to guide positioning of a cutting tip in the formation of multiple channels. Another method uses radiopaque material injected into each channel formed, as a marker. Yet another method utilizes an anchorable, rotatable cutting probe for channel formation about an anchor member, where the cutting probe can vary in radial distance from the anchor. Still another method utilizes a multiple wire radio frequency burning probe, for formation of multiple channels simultaneously. Still another method utilizes liquid nitrogen to cause localized tissue death.

    摘要翻译: 在心脏中创建一系列经皮心肌血运重建(PMR)通道的装置和方法。 一种方法包括在从健康组织导向冬眠组织的心肌中形成通道图案。 合适的渠道模式包括线和阵列。 一种方法包括将不透射线标记物固定在心室壁中的位置,然后重复使用荧光透视来引导切割尖端在形成多个通道中的定位。 另一种方法使用注射到形成的每个通道中的不透射线材料作为标记。 另一种方法利用可锚定的,可旋转的切割探针,用于围绕锚定构件的通道形成,其中切割探针可以与锚固件的径向距离变化。 另一种方法是利用多线射频燃烧探头,同时形成多个通道。 另一种方法利用液氮引起局部组织死亡。

    Percutaneous myocardial revascularization growth factor mediums and method
    7.
    发明授权
    Percutaneous myocardial revascularization growth factor mediums and method 有权
    经皮心肌血运重建生长因子介质及方法

    公开(公告)号:US06238406B1

    公开(公告)日:2001-05-29

    申请号:US09516531

    申请日:2000-03-01

    IPC分类号: A61B1732

    摘要: Devices and methods for increasing blood perfusion within the myocardium of the heart by wounding the myocardium and applying growth factors to promote vascularization. One method includes driving spikes into the myocardium from within the heart, with the spikes being formed of biodegradable material, containing releasable growth factors, and having lumens and side holes. An alternative method utilizes non-biodegradable spikes with lumens and side holes. Another method promotes vascularization by injecting angiogenic material into holes bored into the myocardium, leaving a patent hole. Another method includes injecting angiogenic material into the myocardium without boring, leaving no patent hole. The angiogenic material can be carried in a biodegradable adhesive. Revascularization of the myocardium is promoted in one method by externally wounding the heart and applying a patch including growth factors.

    摘要翻译: 通过伤害心肌并应用生长因子促进血管形成来增加心脏心肌内的血液灌注的装置和方法。 一种方法包括从心脏内将尖峰驱动到心肌中,其中尖峰由可生物降解的材料形成,包含可释放的生长因子,并具有流明和侧孔。 一种替代方法是利用不可生物降解的钉与流明和侧孔。 另一种方法通过将血管生成材料注入穿入心肌的孔中来促进血管形成,留下专利孔。 另一种方法包括将血管生成物质注入到心肌中而无需镗孔,没有留下专利孔。 血管生成物质可以携带在可生物降解的粘合剂中。 通过外部伤心并施用包括生长因子的贴片在一种方法中促进心肌的血运重建。

    Biocompatible medical devices
    10.
    发明授权
    Biocompatible medical devices 有权
    生物相容性医疗器械

    公开(公告)号:US08808272B2

    公开(公告)日:2014-08-19

    申请号:US11451634

    申请日:2006-06-12

    IPC分类号: A61M25/00

    摘要: A modified medical device for delivery of a pharmaceutically active material is described. The present inventors have found that many conventional medical devices contain a metallic or polymeric component that comes into contact with a pharmaceutically active material during use, and that the contact substantially reduce the pharmaceutical effectiveness of the pharmaceutically active material. The invention described herein concerns various modifications to the metallic or polymeric component that are effective to diminish such a substantial reduction in pharmaceutical effectiveness.

    摘要翻译: 描述了用于递送药物活性物质的改进的医疗装置。 本发明人已经发现许多常规医疗器械含有在使用过程中与药物活性物质接触的金属或聚合物组分,并且接触显着降低了药物活性物质的药物有效性。 本文描述的发明涉及对金属或聚合物组分的各种修饰,其有效地减少药物有效性的这种显着降低。