JP6301487B2 - 光音響画像生成装置 - Google Patents
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- JP6301487B2 JP6301487B2 JP2016551524A JP2016551524A JP6301487B2 JP 6301487 B2 JP6301487 B2 JP 6301487B2 JP 2016551524 A JP2016551524 A JP 2016551524A JP 2016551524 A JP2016551524 A JP 2016551524A JP 6301487 B2 JP6301487 B2 JP 6301487B2
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/46—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with special arrangements for interfacing with the operator or the patient
- A61B6/467—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with special arrangements for interfacing with the operator or the patient characterised by special input means
- A61B6/469—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with special arrangements for interfacing with the operator or the patient characterised by special input means for selecting a region of interest [ROI]
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0093—Detecting, measuring or recording by applying one single type of energy and measuring its conversion into another type of energy
- A61B5/0095—Detecting, measuring or recording by applying one single type of energy and measuring its conversion into another type of energy by applying light and detecting acoustic waves, i.e. photoacoustic measurements
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- A61B17/3403—Needle locating or guiding means
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- A61B5/742—Details of notification to user or communication with user or patient ; user input means using visual displays
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- G01N29/22—Details, e.g. general constructional or apparatus details
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- G01N29/2418—Probes using optoacoustic interaction with the material, e.g. laser radiation, photoacoustics
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- G16H30/00—ICT specially adapted for the handling or processing of medical images
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- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
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- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/0283—Pointed or sharp biopsy instruments with vacuum aspiration, e.g. caused by retractable plunger or by connected syringe
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- A61B10/04—Endoscopic instruments
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B2017/3413—Needle locating or guiding means guided by ultrasound
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- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B2018/1405—Electrodes having a specific shape
- A61B2018/1425—Needle
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- A61B90/36—Image-producing devices or illumination devices not otherwise provided for
- A61B90/37—Surgical systems with images on a monitor during operation
- A61B2090/373—Surgical systems with images on a monitor during operation using light, e.g. by using optical scanners
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
- A61B2090/3925—Markers, e.g. radio-opaque or breast lesions markers ultrasonic
- A61B2090/3929—Active markers
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- A—HUMAN NECESSITIES
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- A61B5/061—Determining position of a probe within the body employing means separate from the probe, e.g. sensing internal probe position employing impedance electrodes on the surface of the body
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- A—HUMAN NECESSITIES
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- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
- A61B5/6848—Needles
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- 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
- G01N21/1702—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/08—Optical fibres; light guides
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- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
- G01S7/52053—Display arrangements
- G01S7/52057—Cathode ray tube displays
- G01S7/52073—Production of cursor lines, markers or indicia by electronic means
Description
Claims (16)
- 少なくとも一部が被検体内に挿入される挿入物であって、光源から出射される光を導光する導光部材と、前記導光部材により導光された光を出射する光出射部と、前記光出射部から出射される光に起因した光音響波を発生する光音響波発生部と、を有する挿入物と、
前記挿入物から発せられる光音響波を検出する音響波検出手段と、
前記光音響波の検出信号に基づいて光音響画像を生成する光音響画像生成手段と、
前記光音響波の検出信号の強度に基づいて、浅い側から先端候補領域を抽出する先端候補抽出手段と、
前記抽出された先端候補領域を画像表示手段に表示させる画像出力手段と、
前記先端候補領域が複数抽出された場合、該抽出された複数の先端候補領域のうちで画像化した場合に最も浅い部分に位置する先端候補領域以外の先端候補領域における光音響波の検出信号の強度を、前記最も浅い部分に位置する先端候補領域における光音響波の検出信号の強度に比べて相対的に抑制する補正手段とを備えた光音響画像生成装置。 - 前記先端候補抽出手段は、あらかじめ定められた数を上限に先端候補領域を抽出する請求項1に記載の光音響画像生成装置。
- 前記補正手段は、前記抽出された先端候補領域のうちで最も浅い部分に位置する先端候補領域を基準として、該基準となる先端候補領域との間の深さ方向の距離に応じた係数で先端候補領域のそれぞれにおける光音響波の検出信号の強度を補正する請求項1または2に記載の光音響画像生成装置。
- 前記補正手段は、前記最も浅い部分に位置する先端候補領域を、残りの先端候補領域に対して相対的に強調させる請求項3に記載の光音響画像生成装置。
- 前記距離は、前記基準となる先端候補領域の重心位置と、残りの各先端候補領域の重心位置の間の深さ方向の距離で定義される請求項3又は4に記載の光音響画像生成装置。
- 前記係数は、前記距離が0のときが最大で、長くなるほど値が小さくなる請求項3から5何れか1項に記載の光音響画像生成装置。
- 前記先端候補抽出手段は、前記光音響波の検出信号の強度がしきい値以上の領域を先端候補領域として抽出する請求項1から6何れか1項に記載の光音響画像生成装置。
- 前記先端候補抽出手段は、前記光音響波の検出信号の強度に加えて、前記光音響波の検出信号の強度がしきい値以上の領域の面積に基づいて先端候補領域を抽出する請求項1から7何れか1項に記載の光音響画像生成装置。
- 前記画像出力手段は、前記光音響画像のうちで前記抽出された先端候補領域以外の領域をマスクする請求項1から8何れか1項に記載の光音響画像生成装置。
- 前記先端候補抽出手段は、前記光音響波の検出信号に平滑化処理を行った後に前記先端候補領域を抽出する請求項1から9何れか1項に記載の光音響画像生成装置。
- 前記挿入物は、開口を有し内部に内腔を有する請求項1から10何れか1項に記載の光音響画像生成装置。
- 前記光音響波発生部は、前記光出射部から出射される光を吸収して光音響波を発生する光吸収部材を含む請求項1から11何れか1項に記載の光音響画像生成装置。
- 前記挿入物は被検体に穿刺される針である請求項1から12何れか1項に記載の光音響画像生成装置。
- 前記光出射部は、前記導光部材により導光された光の少なくとも一部を、前記内腔の内壁に向けて出射する請求項11に記載の光音響画像生成装置。
- 前記音響波検出手段は、被検体に向けて送信された音響波に対する反射音響波を更に検出し、
前記反射音響波に基づいて反射音響波画像を生成する反射音響波画像生成手段を更に有する請求項1から14何れか1項に記載の光音響画像生成装置。 - 前記画像出力手段は、前記抽出された先端候補領域を前記反射音響波画像に重ねて前記画像表示手段に表示させる請求項15に記載の光音響画像生成装置。
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JP2014198885 | 2014-09-29 | ||
JP2014198885 | 2014-09-29 | ||
PCT/JP2015/004863 WO2016051738A1 (ja) | 2014-09-29 | 2015-09-24 | 光音響画像生成装置 |
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JP6704510B2 (ja) * | 2017-03-29 | 2020-06-03 | 富士フイルム株式会社 | 光音響画像生成装置 |
JP7127034B2 (ja) | 2017-08-31 | 2022-08-29 | 富士フイルム株式会社 | 画像生成装置および作動方法 |
WO2019167596A1 (ja) * | 2018-03-01 | 2019-09-06 | 富士フイルム株式会社 | 音響波診断装置および音響波診断装置の制御方法 |
EP3840655A1 (en) * | 2018-08-22 | 2021-06-30 | Koninklijke Philips N.V. | System, device and method for constraining sensor tracking estimates in interventional acoustic imaging |
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JP3723663B2 (ja) * | 1997-07-15 | 2005-12-07 | フクダ電子株式会社 | 超音波診断装置 |
JP5349839B2 (ja) | 2007-06-22 | 2013-11-20 | キヤノン株式会社 | 生体情報イメージング装置 |
US9226729B2 (en) * | 2010-09-28 | 2016-01-05 | Fujifilm Corporation | Ultrasound diagnostic system, ultrasound image generation apparatus, and ultrasound image generation method |
JP5645628B2 (ja) * | 2010-12-09 | 2014-12-24 | 富士フイルム株式会社 | 超音波診断装置 |
JP5486449B2 (ja) * | 2010-09-28 | 2014-05-07 | 富士フイルム株式会社 | 超音波画像生成装置及び超音波画像生成装置の作動方法 |
JP5653882B2 (ja) * | 2010-10-27 | 2015-01-14 | 富士フイルム株式会社 | 光音響撮像装置およびその作動方法 |
JP5647942B2 (ja) * | 2011-04-27 | 2015-01-07 | 富士フイルム株式会社 | 光音響撮像装置およびそれに用いられるプローブユニット並びに内視鏡 |
JP5743957B2 (ja) | 2011-06-07 | 2015-07-01 | 富士フイルム株式会社 | 光音響画像生成装置及び方法 |
EP2548516A1 (en) * | 2011-07-20 | 2013-01-23 | Universiteit Twente | A system for enabling generation of photoacoustic images |
JP6146955B2 (ja) * | 2012-03-13 | 2017-06-14 | キヤノン株式会社 | 装置、表示制御方法、及びプログラム |
JP5819387B2 (ja) * | 2013-01-09 | 2015-11-24 | 富士フイルム株式会社 | 光音響画像生成装置及び挿入物 |
JP2014155596A (ja) * | 2013-02-15 | 2014-08-28 | Fujifilm Corp | 光音響画像生成装置及び方法 |
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US11006837B2 (en) | 2021-05-18 |
EP3202328A4 (en) | 2017-11-15 |
WO2016051738A1 (ja) | 2016-04-07 |
EP3202328A1 (en) | 2017-08-09 |
US20170196462A1 (en) | 2017-07-13 |
EP3202328B1 (en) | 2021-03-10 |
JPWO2016051738A1 (ja) | 2017-07-20 |
EP3202328B8 (en) | 2021-05-26 |
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