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    • 3. 发明申请
    • Vision catheter
    • 视力导管
    • US20050027163A1
    • 2005-02-03
    • US10630440
    • 2003-07-29
    • Yem ChinLouis BarbatoMark Hamm
    • Yem ChinLouis BarbatoMark Hamm
    • A61B1/005A61B1/04A61B1/07A61B1/00
    • A61B1/0051A61B1/0008A61B1/00096A61B1/00165A61B1/00172A61B1/00183A61B1/07
    • A catheter with a small optical fiber or bundle of fibers includes a scanning mechanism constructed with the use of any vibration capable component. Magnetic, piezoelectric or other mechanisms are used to vibrate the end of the fiber and thus create a scanning effect which extends the field of view. This configuration can be used in a catheter with a relatively small diameter. A glass lens or lenses placed in front of the fiber focuses and magnifies the image. A CCD, CMOS, or photodiode camera at the proximal end of the fiber captures the image and transfers it to a computer or processor. A light splitter coupled to a light source provides light through an illumination fiber. The resulting vision catheter is relatively inexpensive and disposable.
    • 具有小光纤或纤维束的导管包括使用任何具有振动能力的部件构成的扫描机构。 使用磁性,压电或其他机构来振动纤维的端部,从而产生延伸视野的扫描效果。 这种构造可以用于具有相对较小直径的导管中。 置于纤维前面的玻璃镜片或镜片聚焦并放大图像。 光纤近端的CCD,CMOS或光电二极管相机捕获图像并将其传输到计算机或处理器。 耦合到光源的光分路器通过照明光纤提供光。 所得到的视觉导管相对便宜并且是一次性的。
    • 7. 发明申请
    • Vision catheter system
    • 视力导管系统
    • US20050197534A1
    • 2005-09-08
    • US10793483
    • 2004-03-04
    • Louis BarbatoMark HammYem Chin
    • Louis BarbatoMark HammYem Chin
    • A61B1/04A61B1/313
    • A61B1/3137
    • A disposable imaging catheter that produces high resolution, color images comparable to those obtained from an endoscope. The device may also be made to function as a guidewire. The device may also include a sheath which slides over the catheter body for stiffening and which may include a working channel for accepting interventional devices, as well as LEDs to illuminate the field of view. The vision catheter system includes a detector assembly, scanning mechanism, and distal objective lens. In one embodiment, a photodetector is mated to a lens/pinhole assembly that allows the detector to read light from a small discrete point. This assembly is then scanned in raster or spiral patterns via electric wire coils that actuate a magnetic scan plate to read the area of interest. By adding a fixed objective lens, such as an aspheric lens that is attached to the distal tip of the catheter body, the field of view or acceptance angle of the system is magnified, yielding a wide angle image similar to that commonly obtained from an endoscope.
    • 一次性成像导管,其产生与从内窥镜获得的那些相当的高分辨率彩色图像。 该装置也可以用作导丝。 该装置还可以包括在导管主体上滑动以用于加强的护套,并且可以包括用于接受介入装置的工作通道以及照亮视场的LED。 视觉导管系统包括检测器组件,扫描机构和远端物镜。 在一个实施例中,光电检测器与透镜/针孔组件配合,允许检测器从小的离散点读取光。 然后通过电磁线圈以光栅或螺旋图案扫描该组件,该电线线圈致动磁扫描板以读取感兴趣的区域。 通过添加诸如安装在导管主体的远端顶端的非球面透镜的固定物镜,系统的视野或接收角度被放大,产生类似于从内窥镜获得的广角图像 。
    • 8. 发明申请
    • Vision catheter
    • 视力导管
    • US20050027164A1
    • 2005-02-03
    • US10793482
    • 2004-03-04
    • Louis BarbatoMark HammYem Chin
    • Louis BarbatoMark HammYem Chin
    • A61B1/005A61B1/04A61B1/07A61B1/00
    • A61B1/07A61B1/0008A61B1/00096A61B1/00165A61B1/00172A61B1/00183A61B1/0051
    • A catheter with a small optical fiber or bundle of fibers includes a scanning mechanism constructed with the use of any vibration capable component. Magnetic, piezoelectric or other mechanisms are used to vibrate the end of the fiber and thus create a scanning effect which extends the field of view. One or more lenses may be utilized, including a lens attached to the distal tip of the image fiber, or a lens attached to the distal tip of the catheter for creating an image plane which can be scanned by the fiber. In one embodiment, multiple light sources may be connected to the fiber for enabling the use of field sequential color techniques for real-time imaging, as well as real-time fluorescent imaging for disease detection. A photodetector assembly connected to the proximal end may contain both filtered and unfiltered detectors for use with both standard imaging and fluorescent imaging. The resulting vision catheter is relatively inexpensive and disposable.
    • 具有小光纤或纤维束的导管包括使用任何具有振动能力的部件构成的扫描机构。 使用磁性,压电或其他机构来振动纤维的端部,从而产生延伸视野的扫描效果。 可以使用一个或多个透镜,包括附接到图像纤维的远端的透镜,或附接到导管的远侧末端的透镜,用于产生可由光纤扫描的图像平面。 在一个实施例中,多个光源可以连接到光纤,以使得能够使用用于实时成像的场顺序彩色技术,以及用于疾病检测的实时荧光成像。 连接到近端的光电检测器组件可以包含用于标准成像和荧光成像两者的过滤和未过滤的检测器。 所得到的视觉导管相对便宜并且是一次性的。