Tissue visualization and manipulation systems are described herein. Such a system may include a deployment catheter and an attached imaging hood deployable into an expanded configuration. In use, the imaging hood is placed against or adjacent to a region of tissue to be imaged in a body lumen that is...http://www.google.com.au/patents/US7860555?utm_source=gb-gplus-sharePatent US7860555 - Tissue visualization and manipulation system
