WO2014024614A1 - 光学測定装置および光学測定システム - Google Patents
光学測定装置および光学測定システム Download PDFInfo
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- WO2014024614A1 WO2014024614A1 PCT/JP2013/068649 JP2013068649W WO2014024614A1 WO 2014024614 A1 WO2014024614 A1 WO 2014024614A1 JP 2013068649 W JP2013068649 W JP 2013068649W WO 2014024614 A1 WO2014024614 A1 WO 2014024614A1
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- Prior art keywords
- measurement
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- optical measurement
- probe
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0082—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
- A61B5/0084—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for introduction into the body, e.g. by catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/012—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor
- A61B1/018—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor for receiving instruments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/22—Arrangements of medical sensors with cables or leads; Connectors or couplings specifically adapted for medical sensors
- A61B2562/225—Connectors or couplings
- A61B2562/228—Sensors with optical connectors
Definitions
- the present invention relates to an optical measurement apparatus and an optical measurement system for measuring optical characteristics of a living tissue.
- an optical measurement system that irradiates a sample such as a biological tissue in a subject with illumination light and estimates the property of the sample based on a measurement value of detection light reflected or scattered from the sample (for example, (See Patent Documents 1 and 2).
- Such an optical measurement system includes a light source that emits illumination light to a sample, a detection unit that detects detection light (return light) from the sample and calculates the light intensity, the light intensity, and the measured object.
- An optical measurement device having a storage unit that stores the information in association with each other, and a measurement probe that is detachable from the optical measurement device, irradiates the sample with irradiation light, and receives light from the sample; Is provided. The measurement probe is exchanged for each subject to perform measurement.
- the present invention has been made in view of the above, and an object of the present invention is to provide an optical measurement device and an optical measurement system capable of reliably associating object information with measurement data.
- an optical measurement apparatus is an optical measurement apparatus that removably connects a measurement probe that performs optical measurement by inputting and outputting light from the tip.
- a calculation unit that calculates the intensity of light input to the measurement probe and outputs the measurement data
- a recording unit that records the measurement data for at least one subject, and measurement data recorded in the recording unit Is provided in a connection between the optical measurement device and the measurement probe, and the measurement probe is attached to the optical measurement device.
- the optical measurement apparatus is the optical measurement apparatus according to the above invention, wherein the detection means is provided so as to be movable forward and backward with respect to the measurement probe mounting surface of the connection portion. It is a switch that is pushed in and that turns on the reset control unit when pushed.
- the optical measurement system is an optical measurement system including a measurement probe that performs optical measurement by inputting and outputting light from the tip, and an optical measurement device that detachably connects the measurement probe.
- the optical measurement device calculates the intensity of light input to the measurement probe and outputs it as measurement data, a recording unit for recording the measurement data for at least one subject, and the recording unit Is provided at a connection between the optical measurement device and the measurement probe, and a reset control unit that controls to reset the recording unit by erasing the measurement data recorded in the measurement unit.
- detecting means for detecting that the probe is mounted and turning on the reset control unit by the detection.
- the subject information and the measurement data can be reliably associated with each other.
- FIG. 1 is a block diagram schematically showing a configuration of an optical measurement system according to an embodiment of the present invention.
- FIG. 2 is a diagram illustrating a situation when the optical measurement system according to the embodiment of the present invention is used in an endoscope system.
- FIG. 1 is a block diagram schematically showing a configuration of an optical measurement system according to an embodiment of the present invention.
- An optical measurement system 1 illustrated in FIG. 1 includes an optical measurement device 2 that performs optical measurement on a measurement object such as a biological tissue that is a scatterer, and detects a property (characteristic) of the measurement object, and an optical measurement device 2. And a measurement probe 3 for measurement that is detachably connected to the subject and inserted into the subject.
- the biological optical measurement apparatus 2 includes a power source 21, a light source unit 22, a connection unit 23, a light receiving unit 24, an input unit 25, an output unit 26, a recording unit 27, and a control unit 28.
- the power source 21 supplies power to each component of the optical measuring device 2.
- the light source unit 22 uses an incoherent light source such as a white LED (Light Emitting Diode), a xenon lamp, a tungsten lamp, and a halogen lamp, and one or a plurality of lenses, for example, a condensing lens or a collimating lens, as necessary. Realized.
- the light source unit 22 outputs to the measurement probe 3 incoherent light having at least one spectral component that is irradiated onto the measurement object via the connection unit 23.
- connection unit 23 detachably connects the connector unit 31 of the measurement probe 3 to the optical measurement device 2.
- the connection unit 23 outputs light emitted from the light source unit 22 to the measurement probe 3 and outputs return light of illumination light emitted from the measurement probe 3 and reflected and / or scattered by the measurement object to the light receiving unit 24.
- connection portion 23 has a switch 23a that protrudes from the mounting surface of the measurement probe 3 of the connection portion 23 and is provided so as to be movable forward and backward with respect to the mounting surface.
- the switch 23 a is pushed down and pushed into the connection portion 23 when the measurement probe 3 is attached to the connection portion 23.
- a signal for detecting that the measurement probe 3 is attached to the connection unit 23 is output, and a reset control unit 28b described later is turned on by the signal.
- the light receiving unit 24 receives and measures the return light of the illumination light emitted from the measurement probe 3 and reflected and / or scattered by the measurement object.
- the light receiving unit 24 is realized by using a plurality of spectrometers, light receiving sensors, and the like. Specifically, the light receiving unit 24 is provided according to the number of light receiving fibers of the measurement probe 3 described later by the spectroscopic measuring device.
- the light receiver 24 measures each wavelength by measuring the spectral component and the intensity distribution of the scattered light incident from the measurement probe 3.
- the light receiving unit 24 outputs the measurement result to the control unit 28.
- the input unit 25 receives an input of an instruction signal for instructing activation of the optical measuring device 2 or an instruction signal for instructing other various operations, and outputs it to the control unit 28.
- the input unit 25 is realized using, for example, a push-type switch or a touch panel.
- the output unit 26 outputs information related to various processes in the optical measuring device 2. Further, under the control of the control unit 28, the output unit 26 displays numerical values such as the intensity of light received by the light receiving unit 24 (characteristic value calculated by the calculation unit 28a described later) on the display.
- the output unit 26 is realized using, for example, a liquid crystal or organic EL (Electro Luminescence) display, a speaker, and the like. In addition, you may have the structure which prints these numerical values and outputs the printed matter.
- the recording unit 27 is realized using a volatile memory or a non-volatile memory, and records various programs for operating the biological optical measurement device 2, various data used for optical measurement processing, and various parameters.
- the recording unit 27 temporarily records information being processed by the optical measurement device 2. Further, the recording unit 27 records the measurement result obtained by the optical measurement device 2 in association with the object information (for example, sample ID, examination item information, examination date and time) concerning the subject to be measured.
- the recording unit 27 may be configured using a memory card or the like mounted from the outside of the optical measurement device 2.
- the control unit 28 is configured using a CPU (Central Processing Unit) or the like.
- the control unit 28 controls the processing operation of each unit of the biological optical measurement device 2.
- the control unit 28 controls the operation of the bio-optical measurement device 2 by transferring instruction information and data corresponding to each unit of the bio-optical measurement device 2.
- the control unit 28 records the operation control of the light source unit 22 and the measurement result by the light receiving unit 24 in the recording unit 27.
- the control unit 28 includes a calculation unit 28a and a reset control unit 28b.
- the calculation unit 28a performs a plurality of calculation processes based on the measurement result by the light receiving unit 24, and calculates a characteristic value related to the property of the measurement object.
- the type of the characteristic value is set according to an instruction signal received by the input unit 25, for example.
- the reset control unit 28b performs control to erase and reset the information in the recording unit 27 in response to the input of the signal output by pressing the switch 23a. Further, the reset control unit 28b resets at least the measurement result stored in the recording unit 27 when the above-described switch 23a is pressed and turned on by a signal from the switch 23a. Further, the object information corresponding to the measurement result may be reset in accordance with the reset of the measurement result.
- the measurement probe 3 is realized by arranging a plurality of optical fibers therein.
- the measurement probe 3 includes an illumination fiber that emits illumination light to the measurement object, and a plurality of light receiving fibers that receive return light of the illumination light reflected and / or scattered by the measurement object at different angles.
- the measurement probe 3 is provided with a connector part 31 detachably connected to the connection part 23 of the biological optical measurement apparatus 2, a flexible part 32 having flexibility, and an optical element at the tip, and is supplied from the light source part 22. And a tip portion 33 for receiving the return light from the measurement object.
- the measurement probe 3 includes an illumination fiber that irradiates the measurement object with illumination light, and a light receiving fiber into which return light of the illumination light reflected and / or scattered by the measurement object enters. Further, the illumination fiber and the light receiving fiber are covered with glass, resin, or the like in order to prevent scratches or fix the position.
- the outer periphery of the covering member is covered with glass, brass, or the like in order to protect it from an external force, and the outer periphery is covered with a probe skin such as SUS.
- the illumination fiber is configured using, for example, a step index type single core fiber.
- the illumination fiber propagates the illumination light output from the light source unit 22 and irradiates the measurement object with the illumination light via the optical element. Note that the number of illumination fibers can be appropriately changed according to the inspection item or the type of measurement object, for example, blood flow or site.
- the light receiving fiber is configured using, for example, a step index type single core fiber.
- the light receiving fiber propagates the return light of the illumination light reflected and / or scattered by the measurement object incident from the tip via the optical element, and outputs it to the light receiving unit 24 of the bio-optical measurement device 2.
- the number of light receiving fibers can be appropriately changed according to the inspection item or the type of measurement object, for example, blood flow or site.
- the optical element has a cylindrical shape and is made of transparent glass having a predetermined refractive index.
- the optical element is formed so that the distance between the illumination fiber and the measurement object is fixed, and light can be irradiated with a constant spatial coherent length. Further, the optical element is formed such that the distance between the light receiving fiber and the measurement object is fixed and the return light having a predetermined scattering angle can be received stably.
- the optical measurement system 1 configured as described above includes a measurement probe via a treatment instrument channel 111 provided in the endoscope apparatus 110 (endoscope scope) of the endoscope system 100. 3 is inserted into the object, the illumination fiber irradiates the measurement object with illumination light, and the light receiving fiber receives the return light of the illumination light reflected and / or scattered by the measurement object at different scattering angles for optical measurement. Propagated to the light receiving unit 24 of the apparatus 2. Thereafter, the calculation unit 28 a calculates the characteristic value of the property of the measurement object based on the measurement result of the light receiving unit 24.
- the switch 23a is pressed.
- the reset control unit 28b which is turned on when the switch 23a is pressed, erases the measurement result such as the light intensity data recorded by the recording unit 27.
- the setting data related to the processing operation of each unit of the optical measuring device 2 is not erased but remains recorded in the recording unit 27. preferable. If there is setting data relating to the measurement probe 3, it may be left without being erased, or the setting data may be erased to newly acquire setting data from the attached measurement probe 3. May be.
- the switch 23a is provided in the connection portion 23 connected to the measurement probe 3, and when the measurement probe 3 is attached to the connection portion 23 and the switch 23a is pressed, Since the switch 23a turns on the reset control unit 28b and the reset control unit 28b in the on state erases the measurement result such as the light intensity data recorded by the recording unit 27 and resets it. Correspondence between the object information and the measurement data can be reliably performed.
- the measurement probe 3 since the measurement probe 3 is detachable from the optical measurement device 2, the measurement probe 3 can be made disposable, and the measurement probe 3 needs to be sterilized in a medical facility. In addition, since the durability may be relatively poor, the cost of the measurement probe 3 can be reduced.
- a signal indicating that the measurement probe 3 is attached is output by pressing the switch 23a.
- the measurement probe 3 is attached without providing the switch 23a.
- the unique information for example, identification number
- the measurement result of the recording unit 27 may be deleted.
- the optical measurement device and the optical measurement system according to the present invention are useful for reliably associating the object information with the measurement data.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
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- Veterinary Medicine (AREA)
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- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Endoscopes (AREA)
Abstract
Description
2 光学測定装置
3 測定プローブ
21 電源
22 光源部
23 接続部
23a スイッチ
24 受光部
25 入力部
26 出力部
27 記録部
28 制御部
28a 演算部
28b リセット制御部
31 コネクタ部
32 可撓部
33 先端部
100 内視鏡システム
110 内視鏡装置
111 処置具チャンネル
Claims (3)
- 先端から光を入出力することによって光学的測定を行う測定プローブを着脱自在に接続する光学測定装置であって、
前記測定プローブに入力された光の強度を演算し、測定データとして出力する演算部と、
少なくとも1被検体分の前記測定データを記録する記録部と、
前記記録部に記録された測定データを消去して、前記記録部をリセットする制御を行うリセット制御部と、
当該光学測定装置と前記測定プローブとの接続部に設けられ、該光学測定装置に対して前記測定プローブが装着されたことを検出し、該検出によって前記リセット制御部をオン状態とする検出手段と、
を備えたことを特徴とする光学測定装置。 - 前記検出手段は、前記接続部の前記測定プローブ装着面に対して進退自在に設けられ、前記測定プローブが装着されると、前記接続部内に押し込まれ、該押し込まれることによって前記リセット制御部をオン状態とするスイッチであることを特徴とする請求項1に記載の光学測定装置。
- 先端から光を入出力することによって光学的測定を行う測定プローブと、該測定プローブを着脱自在に接続する光学測定装置とを備えた光学測定システムであって、
前記光学測定装置は、
前記測定プローブに入力された光の強度を演算し、測定データとして出力する演算部と、
少なくとも1被検体分の前記測定データを記録する記録部と、
前記記録部に記録された測定データを消去して、前記記録部をリセットする制御を行うリセット制御部と、
当該光学測定装置と前記測定プローブとの接続部に設けられ、該光学測定装置に対して前記測定プローブが装着されたことを検出し、該検出によって前記リセット制御部をオン状態とする検出手段と、
を有することを特徴とする光学測定システム。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13827902.1A EP2884267A4 (en) | 2012-08-09 | 2013-07-08 | OPTICAL MEASURING DEVICE AND OPTICAL MEASURING SYSTEM |
JP2013552766A JP5469291B1 (ja) | 2012-08-09 | 2013-07-08 | 光学測定装置および光学測定システム |
CN201380003356.4A CN103857999B (zh) | 2012-08-09 | 2013-07-08 | 光学测量装置以及光学测量系统 |
US14/085,132 US8842285B2 (en) | 2012-08-09 | 2013-11-20 | Optical measurement apparatus and optical measurement system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261681386P | 2012-08-09 | 2012-08-09 | |
US61/681,386 | 2012-08-09 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/085,132 Continuation US8842285B2 (en) | 2012-08-09 | 2013-11-20 | Optical measurement apparatus and optical measurement system |
Publications (1)
Publication Number | Publication Date |
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WO2014024614A1 true WO2014024614A1 (ja) | 2014-02-13 |
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ID=50067854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2013/068649 WO2014024614A1 (ja) | 2012-08-09 | 2013-07-08 | 光学測定装置および光学測定システム |
Country Status (5)
Country | Link |
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US (1) | US8842285B2 (ja) |
EP (1) | EP2884267A4 (ja) |
JP (1) | JP5469291B1 (ja) |
CN (1) | CN103857999B (ja) |
WO (1) | WO2014024614A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2016135236A1 (en) * | 2015-02-27 | 2016-09-01 | Novo Nordisk A/S | Accessory device with mounting safety feature |
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2013
- 2013-07-08 WO PCT/JP2013/068649 patent/WO2014024614A1/ja active Application Filing
- 2013-07-08 CN CN201380003356.4A patent/CN103857999B/zh not_active Expired - Fee Related
- 2013-07-08 JP JP2013552766A patent/JP5469291B1/ja not_active Expired - Fee Related
- 2013-07-08 EP EP13827902.1A patent/EP2884267A4/en not_active Withdrawn
- 2013-11-20 US US14/085,132 patent/US8842285B2/en not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
JP5469291B1 (ja) | 2014-04-16 |
EP2884267A1 (en) | 2015-06-17 |
CN103857999B (zh) | 2015-12-02 |
EP2884267A4 (en) | 2016-03-30 |
US8842285B2 (en) | 2014-09-23 |
JPWO2014024614A1 (ja) | 2016-07-25 |
US20140146320A1 (en) | 2014-05-29 |
CN103857999A (zh) | 2014-06-11 |
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