Vision catheter system including movable scanning plate
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 ch...
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Main Authors | , , |
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Format | Patent |
Language | English |
Published |
25.09.2007
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Online Access | Get full text |
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Abstract | 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. |
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AbstractList | 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. |
Author | Chin, Yem Barbato, Louis J Hamm, Mark A |
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References | Seibel et al. (2002/0139920) 20021000 Owen (5579125) 19961100 (1-237613) 19890900 Seibel (2001/0055462) 20011200 Kimura (4846155) 19890700 Suzuki (4870951) 19891000 Boppart et al. (6485413) 20021100 Stelle (3266059) 19660800 Bazell et al. (3572325) 19710300 Seibel et al. (6294775) 20010900 Nagasaki et al. (5506912) 19960400 Moriyama (5976074) 19991100 Kimura et al. (4816909) 19890300 Hibino et al. (5060632) 19911000 Barbato et al. (2003/0130562) 20030700 Ohline et al. (2003/0045778) 20030300 Muto (2001/0017654) 20010800 Oshiro (4432349) 19840200 Bonne et al. (6013025) 20000100 (WO 2005/009513) 20050200 |
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Snippet | A disposable imaging catheter that produces high resolution, color images comparable to those obtained from an endoscope. The device may also be made to... |
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