Measurement system and method for use in determining the patient's condition
First Claim
1. A measurement system for use in detecting a predetermined condition of a patient'"'"'s ear indicative of a certain disease, the system comprising:
- (a) an optical measuring unit configured and operable for irradiating a region of interest in the patient'"'"'s ear with incident light including at least two different wavelengths, detecting light responses of the region of interest to said at least two different wavelengths, and generating measured data indicative thereof, said at least two different wavelengths being selected such that the light response of the region of interest to at least one first wavelength is substantially independent of said predetermined condition and the light response to at least one second wavelength is affected by said predetermined condition; and
(b) a control unit configured and operable for controlling operation of the optical measuring unit, and for receiving the measured data and processing it to generate output data indicative of whether or not said predetermined condition exists, the control unit comprising a memory utility for storing predetermined reference data indicative of the light response of the region of interest while in a healthy condition of the ear;
a data processing and analyzing utility preprogrammed for processing and analyzing the measured data by determining a relation between the measured light responses and the corresponding reference data.
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Accused Products
Abstract
A measurement system and method are presented for use in detecting a predetermined condition of a patient'"'"'s ear indicative of a certain disease such as SOM and SOM. The system comprises an optical measuring unit and a control unit connectable to the output of the measuring unit. The optical measuring unit is configured and operable for irradiating a region of interest in a patient'"'"'s ear with incident light including at least two different wavelengths, detecting light responses of the region of interest to said at least two different wavelengths, and producing measured data indicative thereof. The at least two different wavelengths are selected such that the light response of the region of interest to at least one first wavelength is substantially independent of said predetermined condition and the light response to at least one second wavelength is affected by said predetermined condition. The control unit is operable for receiving and processing the measured data to generate output data indicative of the measurement results. The control unit is configured and operable for controlling operation of the optical measuring unit, and for receiving the measured data and processing it to generate output data indicative of whether or not said predetermined condition exists. The control unit comprises a memory utility for storing predetermined reference data indicative of the light response of the region of interest while in a healthy condition of a patient'"'"'s ear; a data processing and analyzing utility preprogrammed for processing and analyzing the measured data by determining a relation between the measured light responses and the corresponding reference data.
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Citations
100 Claims
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1. A measurement system for use in detecting a predetermined condition of a patient'"'"'s ear indicative of a certain disease, the system comprising:
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(a) an optical measuring unit configured and operable for irradiating a region of interest in the patient'"'"'s ear with incident light including at least two different wavelengths, detecting light responses of the region of interest to said at least two different wavelengths, and generating measured data indicative thereof, said at least two different wavelengths being selected such that the light response of the region of interest to at least one first wavelength is substantially independent of said predetermined condition and the light response to at least one second wavelength is affected by said predetermined condition; and
(b) a control unit configured and operable for controlling operation of the optical measuring unit, and for receiving the measured data and processing it to generate output data indicative of whether or not said predetermined condition exists, the control unit comprising a memory utility for storing predetermined reference data indicative of the light response of the region of interest while in a healthy condition of the ear;
a data processing and analyzing utility preprogrammed for processing and analyzing the measured data by determining a relation between the measured light responses and the corresponding reference data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87)
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88. A measurement system for use in determining a patient'"'"'s condition, the system comprising:
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(a) an optical measuring unit operable for applying spectral measurements to the region of interest in a patient'"'"'s body with predetermined light spectrum and producing measured spectral data indicative thereof; and
(b) a control unit for receiving and processing the measured data to generate output data indicative of the measurement results, the control unit comprising a memory utility for storing predetermined reference data representative of a value or a range of values for at least one predetermined measurable parameter corresponding to a healthy condition of a patient;
a data processing and analyzing utility preprogrammed for processing and analyzing the measured data by selecting a certain part of the measured data within at least one range of the predetermined light spectrum and applying a predetermined model to the selected part of the measured data to determine a corresponding value of said at least one predetermined measurable parameter for the measured patient and to generate said output data indicative of association between the determined parameter value and the reference data.
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89. An optical probe for transmitting light emanating from a target tissue in a region of interest along at least two separate optical channels, comprising a probe head and a speculum member removably fitted to a distal end of said probe head, wherein:
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said probe head comprises light transmission means for directing an illuminating light to said target tissue via a distal end of said speculum, and means for directing light emanating from said target tissue along at least two separate optical channels; and
whereinsaid speculum member is adapted for positioning said distal end thereof proximate to the target tissue.
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90. A control unit configured for receiving spectral measured data from a region of interest on a patient'"'"'s body, and processing the received data to generate output data indicative of the patient'"'"'s condition, the control unit comprising a memory utility for storing predetermined reference data representative of a value or a range of values for at least one predetermined measurable parameter corresponding to a healthy condition of a patient and for storing the reference spectrum;
- a data processing and analyzing utility preprogrammed for processing and analyzing the measured data by;
obtaining a relative spectral, said obtaining including selecting a part of the measured data within at least one range of the predetermined light spectrum and normalizing said selected part of the measured data by the reference spectrum;
applying a predetermined model to the relative spectrum to determine a corresponding value of said at least one predetermined measurable parameter for the measured patient and generate said output data indicative of association between the determined parameter value and the reference data.
- a data processing and analyzing utility preprogrammed for processing and analyzing the measured data by;
- 91. A measurement system for use in determining the patient'"'"'s condition, the system comprising an optical measuring unit operable for carrying out spectral measurements, the measuring unit comprising a light source system for generating light of predetermined wavelengths, a detector for collecting light impinging thereon and generating data indicative thereof, said measuring unit comprising a plug that is shiftable between its operative and inoperative positions so as to be, respectively, in and out of the optical path of light propagating from the light source system and having a highly diffusedly reflective surface, the measuring unit being selectively operable to apply spectral measurements to said surface and obtain reference spectrum data indicative of the reflectance of incident light from said surface and to apply spectral measurements to the region of interest on patient'"'"'s body to obtain measured spectral data indicative of the reflectance of the incident light from the region of interest.
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93. A program storage device readable by machine, tangibly embodying a program of instructions executable by the machine to perform method steps for receiving spectral data measured from a region of interest on a patient'"'"'s body, and processing the received data to generate output data indicative of the patient'"'"'s condition, the storage device comprising a memory utility for storing predetermined reference data representative of a value or a range of values for at least one predetermined measurable parameter corresponding to a healthy condition of a patient and for storing the reference spectrum;
- a data processing and analyzing utility preprogrammed for processing and analyzing the measured data by obtaining a relative spectral, said obtaining including selecting a part of the measured data within at least one range of the predetermined light spectrum and normalizing said selected part of the measured data by the reference spectrum;
applying a predetermined model to the relative spectrum to determine a corresponding value of said at least one predetermined measurable parameter for the measured patient and generate said output data indicative of association between the determined parameter value and the reference data.
- a data processing and analyzing utility preprogrammed for processing and analyzing the measured data by obtaining a relative spectral, said obtaining including selecting a part of the measured data within at least one range of the predetermined light spectrum and normalizing said selected part of the measured data by the reference spectrum;
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94. A computer program product comprising a computer useable medium having computer readable program code embodied therein for processing spectral data measured from a region of interest on a patient'"'"'s body, the computer program product comprising:
- a data processing and analyzing utility for selecting a part of the measured data within at least one predetermined range of a light spectrum used in the measured data and utilizing a reference spectrum to normalize said selected part of the measured data to obtain a relative spectrum, applying a predetermined model to the relative spectrum and utilizing reference data representative of a value or a range of values for at least one predetermined measurable parameter corresponding to a healthy condition of a patient, to thereby determine a value of said at least one predetermined measurable parameter corresponding to the measured data and generate output data indicative of association between the determined parameter value and the reference data.
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95. A method for processing spectral measured data to enable determination of a patient'"'"'s condition, the method comprising processing the spectral measured data indicative of reflection of predetermined incident light from a region of interest as a function of wavelengths of the incident light;
- said processing comprising selecting a predetermined part of the measured spectral data corresponding to at least one range of the predetermined incident light, normalizing the selected measured data to obtain a relative spectrum, and applying a predetermined model to the relative spectrum to determine a corresponding value of at least one predetermined measurable parameter and to generate output data indicative of association between the determined parameter value and preset reference data, said reference data being representative of a value or a range of values for said at least one predetermined measurable parameter corresponding to a healthy condition of a patient.
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96. A method for use in detecting an SOM or AOM condition of a patient'"'"'s ear, the method comprising illuminating a region of interest in the ear by at least two wavelengths, detecting light responses of the region of interest to said at least two different wavelengths, and generating measured data indicative thereof, said at least two different wavelengths being selected such that the light response of the region of interest to at least one first wavelength is substantially independent of said condition and the light response to at least one second wavelength is affected by said condition.
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97. A method for use in detecting an SOM or AOM condition of a patient'"'"'s ear, the method comprising illuminating a region of interest in the middle ear by at least two wavelengths, detecting light responses of the region of interest to said at least two different wavelengths, and generating measured data indicative thereof, said at least two different wavelengths being selected such that at least one first wavelength satisfies at least one of the following:
- is substantially absorbable by water or is substantially transmittable by water, the light response to said first wavelength being therefore substantially independent of said condition, and the at least one second wavelength being partially absorbable by water the light response to said at least one second wavelength being therefore affected by said condition.
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98. A method for use in detecting an SOM or AOM condition of a patient'"'"'s ear, the method comprising illuminating a region of interest in the middle ear by at least two wavelengths, detecting light responses of the region of interest to said at least two different wavelengths, and generating measured data indicative thereof, said at least two different wavelengths being selected such that at least one first wavelength satisfies at least one of the following:
- is substantially absorbable by water or is substantially transmittable by water, the light response to said first wavelength being therefore substantially independent of said condition, and the at least one second wavelength being partially absorbable by water the light response to said at least one second wavelength being therefore affected by said condition, a change in the intensity of the detected light of said at least one second wavelength from a corresponding intensity for a healthy condition being indicative of the SOM or AOM condition, and a decrease in the intensity of the detected light to said at least one second wavelength from that corresponding to the SOM condition being indicative of the AOM condition.
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99. A method for use in detecting an SOM or AOM condition of a patient'"'"'s ear, the method comprising illuminating a region of interest in the middle ear by at least three wavelengths, detecting light responses of the region of interest to said at least three different wavelengths, and generating measured data indicative thereof, said at least three different wavelengths being selected such that at least one first wavelength satisfies at least one of the following:
- is substantially absorbable by water and substantially non-absorbable by hemoglobin, and is substantially transmittable by water and substantially non-absorbable by hemoglobin;
the light response of the region of interest to said at least one first wavelength being therefore substantially independent of said condition, the at least two second wavelengths including a wavelength that is partially absorbable by water and a wavelength that is relatively highly absorbable by hemoglobin the light response to said at least two second wavelengths being therefore affected by said condition.
- is substantially absorbable by water and substantially non-absorbable by hemoglobin, and is substantially transmittable by water and substantially non-absorbable by hemoglobin;
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100. A method for use in determining a patient'"'"'s condition, the method comprising:
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(i) providing reference data representative of a value or a range of values for at least one predetermined measurable parameter corresponding to a healthy condition of a patient, and a certain reference spectrum corresponding to reflectance of a predetermined light spectrum from a reference highly reflective surface;
(ii) applying spectral measurements to a region of interest on the patient'"'"'s body with predetermined light spectrum and producing measured spectral data indicative thereof; and
(iii) processing the measured data to generate output data indicative of the measurement results, said processing comprising selecting a part of the measured data within at least one range of the predetermined light spectrum and applying a predetermined model to the selected part of the measured data to determine a corresponding value of said at least one predetermined measurable parameter for the measured patient and generate said output data indicative of association between the determined parameter value and the reference data.
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Specification