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1. 发明授权

US5957950A Vascular acoustic emission analysis in a balloon angioplasty system 失效
标题翻译：球囊血管成形术系统中的血管声发射分析
公开(公告)号：US5957950A
公开(公告)日：1999-09-28
申请号：US874880
申请日：1997-06-13
申请人： Lyle F. Mockros , John M. Fildes , Krishnan B. Chandran , Michael J. Vonesh , David D. McPherson , Ashwin Nagaraj , Charles Davidson
发明人： Lyle F. Mockros , John M. Fildes , Krishnan B. Chandran , Michael J. Vonesh , David D. McPherson , Ashwin Nagaraj , Charles Davidson
IPC分类号： A61B17/00 , A61M29/02 , A61M25/10
CPC分类号： A61M25/104 , A61B2017/0011
摘要： A system and method for performing balloon angioplasty treatment on a patient. The system includes a catheter for insertion into an artery of the patient, a balloon coupled to the catheter with the balloon expandable by fluid passed through the catheter in order to apply pressure to plaque lesions deposited on vascular tissue of the artery. The balloon includes a PVDF piezoelectric transducer for sensing acoustic emission signals generated by deformation of the plaque lesions and the vascular tissue. The acoustic emission signals can be analyzed by frequency analysis, time domain analysis and wavelet analysis followed by neural net correlation evaluation.
摘要翻译：用于对患者进行气囊血管成形术治疗的系统和方法。该系统包括用于插入患者动脉的导管，气囊与导管联接，气囊可通过流经导管的流体扩张，以便对沉积在动脉血管组织上的斑块病变施加压力。气囊包括用于感测由斑块损伤和血管组织的变形产生的声发射信号的PVDF压电传感器。声发射信号可以通过频率分析，时域分析和小波分析进行分析，然后进行神经网络相关性评估。

2. 发明授权

US5037383A Intravascular lung assist device and method 失效
标题翻译：血管内肺辅助装置及方法
公开(公告)号：US5037383A
公开(公告)日：1991-08-06
申请号：US526292
申请日：1990-05-21
申请人： Steven N. Vaslef , Lyle F. Mockros , Robert W. Anderson
发明人： Steven N. Vaslef , Lyle F. Mockros , Robert W. Anderson
IPC分类号： A61M1/16
CPC分类号： A61M1/1678 , A61M1/1698
摘要： An elongated, radially-expandable, intravascular lung assist device is formed by first stretching an elastomeric tubular core, then arranging a plurality of axially-spaced bundles of straight, flexible, hollow fibers formed of gas-permeable material around said core and securing the end portions of each bundle to the core while it is in stretched condition, and then relieving the stretching forces on said core to cause said fibers of each bundle to flex outwardly and form a rosette of outwardly-arched fibers. The core has at least two longitudinal gas-flow passages with lateral openings located at spaced intervals which communicate through manifold chambers at the ends of the bundles for the circulation of gases through the fibers. In use of the device, the core is stretched longitudinally to straighten the bowed fibers and, following insertion of the device into the lumen of a blood vessel, such stretching forces are relieved to allow the bundles to expand radially in situ.
摘要翻译：通过首先拉伸弹性管状芯，然后在所述芯周围形成由气体可渗透材料形成的多个沿轴向间隔的直的，柔性的中空纤维束，并固定端部，从而形成细长径向可膨胀的血管内肺辅助装置每个束的一部分在芯处于拉伸状态时，然后释放在所述芯上的拉伸力，以使每个束的所述纤维向外弯曲并形成向外拱形纤维的玫瑰花。芯具有至少两个纵向气流通道，其侧向开口以间隔开的间隔设置，通过在束的端部处的歧管腔连通，以使气体循环通过纤维。在使用该装置时，芯被纵向拉伸以矫直弓形纤维，并且在将装置插入血管内腔之后，这种拉伸力被释放以允许束原位扩径。

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