Characterization of a Near-Infrared Laparoscopic Hyperspectral Imaging System for Minimally Invasive Surgery
First Claim
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1. A hyperspectral surgical laparoscope comprising:
- an illuminated laparoscope;
a liquid crystal tunable filter generally center-mounted on the laparoscope and positioned to collect back-reflected light from a target;
a relay lens generally center-mounted on the laparoscope to focus light from the liquid crystal tunable filter; and
a focal plane array generally center-mounted on the laparoscope, wherein light that is reflected from the target is imaged on the focal plane array and captured as a digital data cube.
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Abstract
The present invention includes an apparatus and methods for use of a hyperspectral surgical laparoscope that includes an illuminated laparoscope; a liquid crystal tunable filter generally center-mounted on the laparoscope and positioned to collect back-reflected light from a target; a relay lens generally center-mounted on the laparoscope to focus light from the liquid crystal tunable filter; and a focal plane array generally center-mounted on the laparoscope, wherein light that is reflected from the target is imaged on the focal plane array and captured as a digital data cube.
62 Citations
32 Claims
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1. A hyperspectral surgical laparoscope comprising:
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an illuminated laparoscope; a liquid crystal tunable filter generally center-mounted on the laparoscope and positioned to collect back-reflected light from a target; a relay lens generally center-mounted on the laparoscope to focus light from the liquid crystal tunable filter; and a focal plane array generally center-mounted on the laparoscope, wherein light that is reflected from the target is imaged on the focal plane array and captured as a digital data cube. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A near-infrared hyperspectral surgical laparoscope comprising:
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an near-infrared illuminated laparoscope; a liquid crystal tunable filter generally center-mounted on the laparoscope and positioned to collect back-reflected light from a target; a relay lens generally center-mounted on the laparoscope to focus light from the liquid crystal tunable filter; and a focal plane array comprising a high-sensitivity, back-illuminated, deep depleted charged coupled device generally center-mounted on the laparoscope, wherein light that is reflected from the target is imaged on the focal plane array and captured as a digital data cube. - View Dependent Claims (13, 14, 15, 16)
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17. An imaging method to identify a biliary tree structure comprising:
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imaging the biliary tree structure with a laparoscope comprising; a liquid crystal tunable filter (LCTF) positioned to collect back-reflected light from a target; a relay lens center-mounted on the laparoscope to focus light from the liquid crystal tunable filter; and a focal plane array (FPA), wherein light that is reflected from the target is imaged on the focal plane array and captured as a digital data cube; and processing the digital data cube to enhance the contrast between chemically different anatomical structures due to chromophores at the target. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. A system for laparoscopic cholecystectomy comprising:
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imaging laparoscopic surgery imaging the intraportal structure with a near infrared laparoscope that comprises; a liquid crystal tunable filter (LCTF) positioned to collect back-reflected light from a target; a relay lens center-mounted on the laparoscope to focus light from the liquid crystal tunable filter; and a focal plane array (FPA), wherein light that is reflected from the target is imaged on the focal plane array and captured as a digital data cube; processing the digital data cube to enhance the contrast between chemically different anatomical structures due to chromophores at the target; and removing those tissue that are identified in need of removal. - View Dependent Claims (32)
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Specification