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1. 发明申请

US20040260389A1 Artificial valve prosthesis with improved flow dynamics 有权
标题翻译：具有改善流动动力学的人造瓣膜假体
公开(公告)号：US20040260389A1
公开(公告)日：2004-12-23
申请号：US10828716
申请日：2004-08-30
申请人： Cook Incorporated
发明人： Brian C. Case , Jacob A. Flagle , Andrew K. Hoffa , Darin G. Schaeffer , Michael L. Garrison
IPC分类号： A61F002/06
CPC分类号： A61F2/2418 , A61F2/2475 , A61F2002/068 , A61F2220/0008 , A61F2220/0016 , A61F2230/0054 , A61F2230/0076 , A61F2230/0078 , A61F2230/008 , A61F2250/0037 , A61F2250/0039
摘要： An expandable venous valve having a support structure that configured to enlarge the area adjacent to the valve structure such that the flow patterns of retrograde flow are modified in a way that facilitates the flushing of the pockets at the base of the valve area to prevent stagnation of bodily fluid, which in the venous system, can lead to thrombus formation. The enlarged pocket areas can be created by forming an artificial sinus adjacent the valve structure in an unsupported section of vessel wall between two support frame section or the support frame can comprise an expanded-diameter intermediate or proximal section that forms an artificial sinus adjacent the valve structure. In another group of embodiments, the attachment pathway between opposing leaflets and the support frame and/or vessel wall comprises a proximal portion that places the leaflets in extended contact with one another and a distal portion forms a large angle with respect to the adjacent walls such that a large pocket is created at the base of the leaflets. In one embodiment, the attachment pathway extends distally along a pair of substantially parallel longitudinal attachment struts to create an extended leaflet contact area, then angles circumferentially and distally from the former along distal attachment struts to define the bottom edge of the leaflets.
摘要翻译：一种可膨胀静脉瓣，其具有支撑结构，该支撑结构被配置为扩大邻近阀结构的区域，使逆行流的流动模式以便于冲洗瓣膜区域底部的口袋的方式进行改变，以防止滞留在静脉系统中的体液可导致血栓形成。扩大的口袋区域可以通过在两个支撑框架部分之间的容器壁的无支撑部分中形成邻近阀结构的人造窦来形成，或者支撑框架可以包括形成邻近瓣膜的人造窦的扩张直径的中间或近端部分结构体。在另一组实施例中，相对的小叶与支撑框架和/或血管壁之间的附接通路包括将小叶彼此延伸接触的近端部分，并且远侧部分相对于相邻壁形成大角度，在传单的底部创造了一个大口袋。在一个实施例中，附接通道沿着一对基本上平行的纵向连接支柱向远侧延伸以产生延伸的小叶接触区域，然后沿着远侧连接支柱周向地和远端地从前者角度定位以限定传单的底部边缘。

2. 发明申请

US20040167619A1 Prosthesis adapted for placement under external imaging 有权
标题翻译：假体适应放置在外部成像
公开(公告)号：US20040167619A1
公开(公告)日：2004-08-26
申请号：US10787307
申请日：2004-02-26
申请人： Cook Incorporated
发明人： Brian C. Case , Jacob A. Flagle , Michael L. Garrison , Andrew K. Hoffa , Ray Leonard II
IPC分类号： A61F002/06
CPC分类号： A61F2/2475 , A61B90/39 , A61F2/2418 , A61F2230/0026 , A61F2230/0095 , A61F2250/0098
摘要： A expandable prosthesis having an imageable structure comprising one or more elements visually distinguishable by an external (e.g., radiographic or ultrasonic) imaging system, the structure being located about a first axis that corresponds to a structural feature of the prosthesis that is configured to perform a specific function particular to that axis. The imageable structure is configured to assist in the rotational orientation of the prosthesis during placement within the implantation site. In one embodiment, the prosthesis comprises a venous valve that includes imageable elements or structure, such as a pair of radiopaque markers, that defines the orifice of the valve structure such that the orifice can be oriented with a particular anatomical feature under imaging, such as to align the orifice with the long axis of the vessel. In another embodiment, the imageable structure is configured to permit an aperture located about a stent graft to be oriented with a anatomical feature of the vessel, such as a branch vessel opening. The invention includes a method for using imageable structure to confirm that the orientation of the prosthesis within a delivery apparatus is consistent the desired delivery approach to be used.
摘要翻译：一种具有可成像结构的可扩张假体，其包括可由外部（例如，射线照相或超声）成像系统在视觉上区分的一个或多个元件，所述结构围绕与假体的结构特征对应的第一轴定位，所述第一轴构造成执行特定于该轴的特定功能。可成像结构构造成在放置在植入部位期间有助于假体的旋转取向。在一个实施例中，假体包括静脉瓣，其包括可成像元件或结构，例如一对不透射线的标记，其限定瓣膜结构的孔，使得孔可以在成像下具有特定解剖特征，例如以将孔与容器的长轴对准。在另一个实施例中，可成像结构被配置为允许围绕支架移植物定位的孔与容器的解剖特征（例如分支血管开口）定向。本发明包括一种使用可成像结构来确认假体在输送装置内的取向与所要使用的输送方法一致的方法。

3. 发明申请

US20040186558A1 Implantable vascular device 有权
标题翻译：植入式血管装置
公开(公告)号：US20040186558A1
公开(公告)日：2004-09-23
申请号：US10642372
申请日：2003-08-15
申请人： COOK INCORPORATED , OREGON HEALTH & SCIENCE UNIVERSITY , WILLIAM COOK EUROPE ApS , MED INSTITUTE INC.
发明人： Dusan Pavcnik , Thomas A. Osborne , Brian C. Case , Jacob A. Flagle , Michael L. Garrison , Andrew K. Hoffa , Raymond B. Leonard II , Darin G. Schaeffer , Richard B. Sisken
IPC分类号： A61F002/06 , A61F002/24
CPC分类号： A61F2/24 , A61F2/01 , A61F2/2418 , A61F2/2475 , A61F2002/018 , A61F2002/8483 , A61F2230/0008 , A61F2230/001 , A61F2230/0023 , A61F2230/0026 , A61F2230/0054 , A61F2230/0058 , A61F2230/0069 , A61F2230/0095
摘要： An valve prosthesis, such as an artificial venous valve, having a support frame and leaf structure comprising one or more leaflets in which the outer edge of each leaflet engages the inner circumference of the bodily passageway along a serpentine path urged against the passageway by an expandable frame, while the inner edges move in response to fluid to restrict retrograde flow. Optionally, one or more elements can extend from the support frame/leaf structure to provide centering support and/or protection from the leaflet adhering to the vessel wall. In one embodiment, the centering support structure comprises a second or third expandable frames attached to and extending from the proximal and/or distal ends of main valve structure and support frame. In another embodiment, one or more support elements extend outward from the valve support frame to engage the vessel wall to provide greater longitudinal stability.
摘要翻译：一种阀门假体，例如人造静脉瓣，其具有支撑框架和叶结构，其包括一个或多个小叶，其中每个小叶的外边缘沿着沿着通过可扩展框架，而内边缘响应流体移动以限制逆行流。任选地，一个或多个元件可以从支撑框架/叶结构延伸，以提供定位支撑和/或防止附着在血管壁上的小叶的保护。在一个实施例中，定心支撑结构包括附接到主阀结构和支撑框架的近端和/或远端的第二或第三可膨胀框架。在另一个实施例中，一个或多个支撑元件从阀支撑框架向外延伸以接合血管壁以提供更大的纵向稳定性。

4. 发明申请

US20030144670A1 Medical device delivery system 有权
标题翻译：医疗器械输送系统
公开(公告)号：US20030144670A1
公开(公告)日：2003-07-31
申请号：US10307141
申请日：2002-11-27
申请人： Cook Incorporated
发明人： Dusan Pavcnik , Christopher G. Dixon , Jacob A. Flagle , Mike Garrison , Andrew K. Hoffa , Ray Leonard II , Brian C. Case
IPC分类号： A61F011/00
CPC分类号： A61F2/2436 , A61F2/95 , A61F2002/011 , A61F2002/9517
摘要： A delivery system (10) for implanting a medical device (30) such as a venous valve into the vasculature of a patient. The delivery system includes a delivery catheter (11) having a device-containing portion (15) adjacent to the distal end (14) thereof, and an inner member (16) extending through the catheter and beyond the distal end thereof, to an atraumatic distal tip portion (17) forward of the catheter distal end. The inner member extends through the medical device in the device-containing region, includes a proximal portion (18) with a sufficiently large diameter to prevent longitudinal movement of the device as the catheter is retracted during deployment, and centers the device upon release from the distal catheter end during deployment. The inner member is preferably radiolucent underlying the device for contrast with radiopaque markers (43) of the device. The inner member preferably includes a flat portion (35) extending from the device-containing portion to the proximal end (22) to form a passageway or lumen (21) with the delivery catheter to transmit hydrating fluid to a device such as a valve containing lyophilized tissue requiring hydration immediately prior to patient implantation.
摘要翻译：一种用于将诸如静脉瓣的医疗装置（30）植入患者脉管系统的输送系统（10）。递送系统包括具有与其远端（14）相邻的装置容纳部分（15）的输送导管（11）和延伸穿过导管并超出其远端的内部构件（16）到无创伤远端尖端部分（17）在导管远端的前方。内部构件在包含装置的区域中延伸通过医疗装置，包括具有足够大的直径的近端部分（18），以防止在展开期间导管缩回时装置的纵向移动，远端导管末端部署期间。内部构件优选地是设备下方的射线可透以与装置的不透射线标记（43）形成对比。内部构件优选地包括从装置容纳部分延伸到近端（22）的平坦部分（35），以与输送导管形成通道或内腔（21），以将保湿流体传送到装置，例如包含在患者植入前立即需要水合的冻干组织。

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