Keyhole surgery instrument. Surgeon holding a trochar fitted with a dilating tip (yellow). This hollow tube-like needle is inserted into a patient at

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Keyhole surgery instrument. Surgeon holding a trochar fitted with a dilating tip (yellow). This hollow tube-like needle is inserted into a patient at the start of keyhole surgery. Other instruments, such as an endoscope, are then inserted through the trochar.

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Size: 5126px × 3417px
Photo credit: © DR P. MARAZZI/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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