THERMOCHROMIC DEVICES FOR VASCULAR ACCESS PROCEDURES
First Claim
Patent Images
1. A device for locating a venous structure of a patient, comprising:
- a frame having a bottom surface and a top surface;
an adhesive disposed on the bottom surface of the frame to allow the frame to be removably attached to skin or a patient; and
one or more sections removably attached to the top surface of the frame, the one or more sections being formed of a liquid crystal material that is sensitive to human skin temperature ranges.
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Abstract
A device for locating a venous structure of a patient includes a frame having a bottom surface and a top surface, an adhesive disposed on the bottom surface of the frame to allow the frame to be removably attached to skin or a patient, and one or more sections removably attached to the top surface of the frame. The sections are formed of a liquid crystal material that is sensitive to human skin temperature ranges.
15 Citations
20 Claims
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1. A device for locating a venous structure of a patient, comprising:
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a frame having a bottom surface and a top surface; an adhesive disposed on the bottom surface of the frame to allow the frame to be removably attached to skin or a patient; and one or more sections removably attached to the top surface of the frame, the one or more sections being formed of a liquid crystal material that is sensitive to human skin temperature ranges. - View Dependent Claims (2, 3, 4, 5, 6, 7, 18)
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8. A device for locating a venous structure of a patient, comprising:
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a frame having a bottom surface and a top surface; an adhesive disposed on the bottom surface of the frame to allow the frame to be removably attached to skin or a patient; a layer formed of a liquid crystal material attached to the top surface of the frame, the liquid crystal material being sensitive to human skin temperature ranges; and one or more end members connected to the frame for affixing a venous access device to the skin of the patient. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A method of locating a venous structure of a patient, comprising:
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placing a temperature indication device on the skin of the patient in proximity to a desired venous access site; using the indicated skin temperature provided by the temperature indication device to select a vein visualization device that is sensitive to a temperature range that includes the indicated skin temperature; placing the vein visualization device on the skin of the patient in proximity to the desired venous access site; and inserting a venous access device into a desired portion of the venous structure that is indicated on the vein visualization device. - View Dependent Claims (15, 16, 17, 19, 20)
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Specification