| 摘要 |
In one aspect, the present invention is a medical imaging device that retains optical clarity when used in a patient. The medical imaging device includes a shaft having a distal end and a proximal end and an imaging assembly disposed at the distal end of the shaft. The imaging assembly includes at least one imaging lens and at least one illumination port lens. The outer surface of at least one lens in the imaging assembly is coated with a biocompatible composition comprising a hydrophilic material that retains the optical clarity of the medical imaging device. In another aspect, the invention provides a kit for retaining the optical clarity of a medical imaging system.
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