Spectroscopic analyser
First Claim
1. An analyser for identifying or verifying a liquid drug for delivery to a patient to reduce risk of adverse drug events, the liquid drug comprising a drug in a base liquid, the liquid drug having a liquid drug spectrum and the base liquid having a base liquid spectrum comprising at least one spectral characteristic feature between substantially 1300 nm and 2000 nm, the analyser comprising:
- an electromagnetic radiation source for emitting electromagnetic radiation at the liquid drug, the electromagnetic radiation comprising a plurality of different wavelengths between substantially 1300 nm and 2000 nm, wherein at least one of the wavelengths is at or in the vicinity of or within a region spanning a wavelength of a spectral characteristic feature of the base liquid spectrum,a liquid drug detector that detects affected electromagnetic radiation resulting from the emitted electromagnetic radiation affected by the liquid drug and that provides output representing spectral information of the liquid drug spectrum at the wavelengths, anda processor configured to identify or verify the liquid drug from the detector output by;
querying a database of reference liquid drugs and corresponding spectral information of the reference liquid drugs at the wavelengths, each reference liquid drug comprising a reference drug in a base liquid, each reference liquid drug having a reference liquid drug spectrum and the base liquid having a base liquid spectrum comprising the at least one spectral characteristic feature between substantially 1300 nm and 2000 nm, there being sufficient spectral differences between the reference liquid drug spectrums at the least one spectral characteristic feature of the base liquid spectrum to provide discrimination between reference drugs, andidentifying or verifying the liquid drug using;
a) the detector output representing the spectral information of the liquid drug, and b) the spectral information of the reference liquid drugs, wherein the discrimination between the reference drugs assists with the identifying or verifying the liquid drug.
1 Assignment
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Accused Products
Abstract
An analyser 10 for identifying or verifying or otherwise characterising a liquid based drug sample 16 comprising: an electromagnetic radiation source 11 for emitting electromagnetic radiation 14a in at least one beam at a sample 16, the electromagnetic radiation comprising at least two different wavelengths, a sample detector 17 that detects affected electromagnetic radiation resulting from the emitted electromagnetic radiation affected by the sample, and a processor 18 for identifying or verifying the sample from the detected affected electromagnetic radiation, wherein each wavelength or at least two of the wavelengths is between substantially 1300 nm and 2000 nm, and each wavelength or at least two of the wavelengths is in the vicinity of the wavelength(s) of (or within a region spanning) a spectral characteristic in the liquid spectrum between substantially 1300 nm and 2000 nm.
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Citations
18 Claims
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1. An analyser for identifying or verifying a liquid drug for delivery to a patient to reduce risk of adverse drug events, the liquid drug comprising a drug in a base liquid, the liquid drug having a liquid drug spectrum and the base liquid having a base liquid spectrum comprising at least one spectral characteristic feature between substantially 1300 nm and 2000 nm, the analyser comprising:
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an electromagnetic radiation source for emitting electromagnetic radiation at the liquid drug, the electromagnetic radiation comprising a plurality of different wavelengths between substantially 1300 nm and 2000 nm, wherein at least one of the wavelengths is at or in the vicinity of or within a region spanning a wavelength of a spectral characteristic feature of the base liquid spectrum, a liquid drug detector that detects affected electromagnetic radiation resulting from the emitted electromagnetic radiation affected by the liquid drug and that provides output representing spectral information of the liquid drug spectrum at the wavelengths, and a processor configured to identify or verify the liquid drug from the detector output by; querying a database of reference liquid drugs and corresponding spectral information of the reference liquid drugs at the wavelengths, each reference liquid drug comprising a reference drug in a base liquid, each reference liquid drug having a reference liquid drug spectrum and the base liquid having a base liquid spectrum comprising the at least one spectral characteristic feature between substantially 1300 nm and 2000 nm, there being sufficient spectral differences between the reference liquid drug spectrums at the least one spectral characteristic feature of the base liquid spectrum to provide discrimination between reference drugs, and identifying or verifying the liquid drug using;
a) the detector output representing the spectral information of the liquid drug, and b) the spectral information of the reference liquid drugs, wherein the discrimination between the reference drugs assists with the identifying or verifying the liquid drug. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for identifying or verifying a liquid drug for delivery to a patient to reduce risk of adverse drug events, the liquid drug comprising a drug in a base liquid, the liquid drug having a liquid drug spectrum and the base liquid having a base liquid spectrum comprising at least one spectral characteristic feature between substantially 1300 nm and 2000 nm, the method comprising:
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emitting electromagnetic radiation at the liquid drug, the electromagnetic radiation comprising a plurality of different wavelengths between substantially 1300 nm and 2000 nm, wherein at least one of the wavelengths is at or in the vicinity of or within a region spanning a wavelength of a spectral characteristic feature of the base liquid spectrum, detecting affected electromagnetic radiation resulting from the emitted electromagnetic radiation affected by the liquid drug and providing output representing spectral information of the liquid drug spectrum at the wavelengths, querying a database of reference liquid drugs and corresponding spectral information of the reference liquid drugs at the wavelengths, each reference liquid drug comprising a reference drug in a base liquid, each reference liquid drug having a reference liquid drug spectrum and the base liquid having a base liquid spectrum comprising the at least one spectral characteristic feature between substantially 1300nm and 2000nm, there being sufficient spectral differences between the reference liquid drug spectrums at the least one spectral characteristic feature of the base liquid spectrum to provide discrimination between reference drugs, and identifying or verifying the liquid drug using;
a) the output representing the spectral information of the liquid drug, and b) the spectral information of the reference liquid drugs, wherein the discrimination between the reference drugs assists with the identifying or verifying the liquid drug. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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Specification