IN-VIVO PLATELET FUNCTION TEST BY ONLINE BLEEDING VOLUME MEASUREMENT
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Abstract
A method for remotely determining a patient'"'"'s excessive bleeding tendency and a patient'"'"'s resistance to blood thinning medication is disclosed. An incision is made in the patient'"'"'s forearm. Blood oozing out of the incision is absorbed into a blotter paper until the bleeding stops. Blotches of blood formed on the blotter paper are captured as an image and sent to a service provider who calculates a value associated with the bleeding volume of the patient. The service provider retransmits a value associated with the bleeding volume back to the medical professional. To determine the resistance to blood thinning medication, one incision is made in the patient prior to administration of blood thinning medication. Blood oozing out of the incision is collected on blotter paper until the patient stops bleeding. A second incision is made in the patient. A second set of blotter paper is used to collect the blood oozing out of the incision until the bleeding stops. Both sets of blotter paper are sent to a service provider to calculate a value associated with the difference in bleeding volume. The service provider then retransmits the value associated with the difference in bleeding volume to the medical professional.
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Citations
33 Claims
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12. A method of processing a standard sized blotter paper with blotches of blood to derive a value indicative of a bleeding volume of a person, the method comprising the steps of:
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electronically imaging a single two dimensional view of the blotches of blood formed on a first blotter paper; determining a pixel to surface area ratio based on a known standard formed on the first blotter paper; determining the number of pixels formed by the blotches of blood on the first blotter paper; dividing the number of pixels of the blotches of blood on the first blotter paper by the pixel to surface area ratio to derive the value indicative of the bleeding volume of the person based on the first blotter paper. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. An apparatus for processing a blotter paper with blotches of blood to derive a value indicative of a bleeding volume of a person, the apparatus comprising:
an electronic device with a program comprising the steps of; electronically capturing a single two dimensional view of the blotches of blood formed on the blotter paper; determining a pixel to surface area ratio based on a known standard formed on the blotter paper; determining the number of pixels formed by the blotches of blood on the blotter paper; dividing the number of pixels of the blotches of blood on the blotter paper by the pixel to surface area ratio to derive the value indicative of the bleeding volume of the person. - View Dependent Claims (26, 27)
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28. A method of processing a blotter paper with blotches of blood to derive a value indicative of a bleeding volume of a person, the method comprising the steps of:
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receiving an electronically imaged single two dimensional view of the blotches of blood formed on a first blotter paper; determining a pixel to surface area ratio based on a known standard formed on the first blotter paper; determining the number of pixels formed by the blotches of blood on the first blotter paper; dividing the number of pixels of the blotches of blood on the first blotter paper by the pixel to surface area ratio to derive the value indicative of the bleeding volume of the person; delivering the value indicative of the bleeding volume of the person to a medical professional. - View Dependent Claims (29)
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30. A method of measuring a volume of fluid, gas or fine particulate, the method comprising the steps of:
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providing a sheet of material which changes color when exposed to the fluid, gas or fine particulate, the degree of color change being proportional to a mass or volume of the fluid, gas or fine particulate; exposing the sheet of paper to the fluid, gas or fine particulate; determining the degree of the color change of the sheet of material; and calculating the mass or volume of fluid, gas or fine particulate absorbed into the sheet of material. - View Dependent Claims (31, 32, 33)
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Specification