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US 10,873,710 B2Granted
IR/NIR imaging with discrete scale comparator objects
AssigneeChristie Medical Holdings, Inc.
InventorRobert Benjamin Wagner
Life of this patent
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Abstract
An imager captures images of a living subject including a near-infrared image, an infrared image, or both. A processor is connected to the imager and an output device. The processor is configured to generate output images of vasculature of the living subject from the images captured by the imager, include in the output images a range of discrete scale comparator objects of different sizes, and provide the output images to the output device for display to a user.
Claims20
A device comprising:
- an imager to capture images of a living subject including a near-infrared image, an infrared image, or both;
- an output device;
- and
- a processor connected to the imager and the output device, the processor configured to:
- generate output images of vasculature of the living subject from the images captured by the imager;
- include in the output images a range of discrete scale comparator objects of different sizes;
- and
- provide the output images to the output device for display to a user;
- wherein the range of discrete scale comparator objects comprises objects of different colors that include standard colors of peripheral intravenous catheters.
6 more elements
A method to assist insertion of a catheter, the method comprising:
- capturing images of a living subject including a near-infrared image, an infrared image, or both using an imager;
- generating output images of vasculature of the living subject from the images captured by the imager;
- including in the output images a range of discrete scale comparator objects of different sizes;
- and
- providing the output images to an output device for display to a user;
- and
- wherein the range of discrete scale comparator objects comprises objects of different colors that include standard colors of peripheral Intravenous catheters.
4 more elements
A device comprising:
- an imager to capture images of a living subject including a near-infrared image, an infrared image, or both;
- an output device;
- and
- a processor connected to the imager and the output device, the processor configured to:
- dynamically generate output images of vasculature of the living subject from the images captured by the imager, wherein the vasculature is rendered in false color;
- include in the output images a relatively static range of discrete scale comparator objects of different sizes that are relative to an apparent size of the vasculature, wherein the range of discrete scale comparator objects represents standard gauge sizes and standard colors of peripheral intravenous catheters;
- render in the output images the standard colors of the peripheral intravenous catheters in true color;
- and
- provide the output images to the output device for display to a user.
6 more elements
A device comprising:
- an imager to capture images of a living subject including a near-infrared image, an infrared image, or both;
- an output device;
- and
- a processor connected to the imager and the output device, the processor configured to:
- generate output images of vasculature of the living subject from the images captured by the imager;
- include in the output images a range of discrete scale comparator objects of different sizes;
- and
- provide the output images to the output device for display to a user;
- wherein the output device comprises a projector to project the output images onto the skin of the living subject, and wherein the projector and imager share a common optical path.
6 more elements
Dependencies are inferred from the claim text.