JP2003190103A - Device for observing skin condition and device for imaging skin condition - Google Patents
Device for observing skin condition and device for imaging skin conditionInfo
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- JP2003190103A JP2003190103A JP2001397311A JP2001397311A JP2003190103A JP 2003190103 A JP2003190103 A JP 2003190103A JP 2001397311 A JP2001397311 A JP 2001397311A JP 2001397311 A JP2001397311 A JP 2001397311A JP 2003190103 A JP2003190103 A JP 2003190103A
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- Japan
- Prior art keywords
- skin condition
- observing
- imaging
- hood
- light emitting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、肌状態観察用装置
および肌状態撮像用装置に関し、更に詳細には、肌に紫
外線を照射することにより、肌上の紫外線反応物質を検
出し、これにより肌の状態を観察、撮像し、診断する装
置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for observing a skin condition and an apparatus for imaging a skin condition, and more specifically, by irradiating the skin with ultraviolet rays to detect ultraviolet-reactive substances on the skin. The present invention relates to a device for observing, imaging, and diagnosing a skin condition.
【０００２】[0002]
【従来の技術】ニキビの原因となるプロピオニバクテリ
ウム・アクネ（Propionibacterium acnes；アクネ菌）
がポルフィリンを産生することは公知であり、皮膚上の
ポルフィリンを検出し、これからアクネ菌の存在や肌の
状態を調べることも報告されている（香粧会誌、Vol.1
9, No.1, 1-6）。2. Description of the Related Art Propionibacterium acnes, which causes acne
Is known to produce porphyrin, and it is also reported that porphyrin on the skin is detected and the presence of Acne bacteria and the condition of the skin are examined from this (Cosmetics Journal, Vol. 1
9, No.1, 1-6).
【０００３】上記のポルフィリンの検出は、紫外光を照
射した時に、これにより励起されたポルフィリンが発す
る赤橙色の蛍光を観察することにより行われているが、
従来の方法では、紫外線の照射により励起された蛍光を
検出するための装置は、それ全体が大がかりになるとい
う問題があった。また、蛍光を検出するためには、他の
光を遮光しなければならず、従来の装置によりポルフィ
リンを検出するためには、暗室等特別な施設が必要であ
った。The above-mentioned detection of porphyrin is carried out by observing the red-orange fluorescence emitted by the porphyrin excited by the irradiation of ultraviolet light.
In the conventional method, there is a problem that the entire device for detecting the fluorescence excited by the irradiation of ultraviolet rays becomes large in size. Further, in order to detect fluorescence, it is necessary to block other light, and in order to detect porphyrin by the conventional device, a special facility such as a dark room is required.
【０００４】[0004]
【発明が解決しようとする課題】このように、皮膚の状
態を紫外光の照射により診断するためには、大がかりな
装置と特別な施設が必要とされており、軽量で移動可能
な簡単な装置により、どこでも手軽に肌上のポルフィリ
ンの存在を検出できる手段の提供が強く求められてい
た。本発明は、このような手段の提供をその課題とする
ものである。Thus, in order to diagnose the condition of the skin by irradiation of ultraviolet light, a large-scale device and a special facility are required, and a simple device that is lightweight and movable. Therefore, there has been a strong demand for providing a means for easily detecting the presence of porphyrin on the skin anywhere. An object of the present invention is to provide such means.
【０００５】[0005]
【課題を解決するための手段】本発明者らは、上記課題
を解決すべく鋭意検討を行っていたところ、状態を調べ
るべき肌の部分をカバーするフード中に、紫外光発光ダ
イオードを取り付け、この紫外光により励起されたポル
フィリンが発する蛍光を、フード中に設けられた窓部か
ら観察ないしは撮像カメラで撮影することにより、簡単
に肌上のポルフィリンを検出できることが可能であるこ
とを見出し、本発明を完成した。Means for Solving the Problems The inventors of the present invention have made extensive studies in order to solve the above problems. As a result, an ultraviolet light emitting diode is attached to a hood that covers a skin portion whose condition is to be investigated. The fluorescence emitted by the porphyrin excited by this ultraviolet light is observed through a window provided in the hood or photographed with an imaging camera, and it is possible to easily detect the porphyrin on the skin. Completed the invention.
【０００６】すなわち本発明は、一方の側が開放された
フード中に、紫外光発光ダイオードと観察用窓部を設け
たことを特徴とする肌状態観察用装置である。That is, the present invention is an apparatus for observing a skin condition, characterized in that an ultraviolet light emitting diode and an observation window are provided in a hood having one side opened.
【０００７】また本発明は、一方の側が開放されたフー
ド中に、紫外光発光ダイオードと撮像用カメラを設けた
ことを特徴とする肌状態撮像用装置である。Further, the present invention is an apparatus for skin condition imaging, characterized in that an ultraviolet light emitting diode and an imaging camera are provided in a hood having one side opened.
【０００８】更に、本発明は、フードの一部または全部
が弾性材料で形成されている上記の肌状態観察用ないし
肌状態撮像用装置である。Further, the present invention is the apparatus for observing the skin condition or for imaging the skin condition, wherein a part or the whole of the hood is made of an elastic material.
【０００９】更にまた、本発明は、フード中に可視光発
光ダイオードを設けた上記肌状態観察用ないしは肌状態
撮像用装置である。Furthermore, the present invention is the apparatus for observing the skin condition or for imaging the skin condition, wherein a visible light emitting diode is provided in the hood.
【００１０】[0010]
【発明の実施の形態】以下、本発明の実施態様を示す図
面と共に、本発明を更に詳しく説明する。BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in more detail with reference to the drawings showing the embodiments of the present invention.
【００１１】図１は、本発明の肌状態観察用装置の一態
様を模式的に示した断面図、図２はその正面図である。
図中、１は肌状態観察用装置、２はフード、３は観察用
窓部、４は窓筒、５は開放部、６は紫外光発光ダイオー
ド（紫外ＬＥＤ）、７は可視光ダイオード（可視ＬＥ
Ｄ）、８は紫外線カットフィルター、９は切換スイッチ
をそれぞれ示す。FIG. 1 is a sectional view schematically showing one embodiment of the apparatus for observing the skin condition of the present invention, and FIG. 2 is a front view thereof.
In the figure, 1 is a skin condition observing device, 2 is a hood, 3 is an observation window, 4 is a window cylinder, 5 is an open part, 6 is an ultraviolet light emitting diode (ultraviolet LED), and 7 is a visible light diode (visible). LE
D) and 8 are ultraviolet ray cut filters, and 9 is a changeover switch.
【００１２】図１に示す肌状態観察用装置は、半球型の
フード２の内側に、１個ないし複数個の紫外ＬＥＤ６お
よび可視ＬＥＤ７が設置され、また、その上部に観察用
窓部３が設けられている。この観察用窓部３は、フード
２に取り付けられた窓筒４で形成されており、その下部
には、紫外線カットフィルター（カットフィルター）８
が取り付けられている。In the apparatus for observing the skin condition shown in FIG. 1, one or a plurality of ultraviolet LEDs 6 and visible LEDs 7 are installed inside a hemispherical hood 2, and an observation window portion 3 is provided on the upper part thereof. Has been. The observation window portion 3 is formed of a window tube 4 attached to the hood 2, and an ultraviolet ray cut filter (cut filter) 8 is provided below the window tube 4.
Is attached.
【００１３】上記肌状態観察用装置に取り付けられた紫
外ＬＥＤ６および可視ＬＥＤ７は、肌が接する中央部に
光軸が合わせられており、観察用窓部３は、この中央部
が観察されやすい位置に設けられる。また、カットフィ
ルター８は、肌状態観察に当たり、不要な紫外光を遮断
するためのものであり、観察者あるいは観察機器に問題
となる紫外線が発生しない場合は、省略することもでき
る。The optical axes of the ultraviolet LED 6 and the visible LED 7 attached to the skin condition observing device are aligned with the central part where the skin contacts, and the observation window part 3 is located at a position where the central part is easily observed. It is provided. Further, the cut filter 8 is for blocking unnecessary ultraviolet light when observing the skin condition, and may be omitted when no problematic ultraviolet light is generated by the observer or the observation equipment.
【００１４】また、観察用窓部３を構成する窓筒４は、
カメラ等の観察機器を取り付けたり、目視で観察する場
合は、外部からの光を遮断する働きを有するものであ
る。この窓筒４は、必要により、フード２の内側に延ば
すこともできる。このように、することにより、観察窓
に入る紫外光を減少させることが可能となる。Further, the window cylinder 4 constituting the observation window portion 3 is
When an observing device such as a camera is attached or when observing with eyes, it has a function of blocking light from the outside. The window cylinder 4 can be extended inside the hood 2 if necessary. By doing so, it becomes possible to reduce the ultraviolet light entering the observation window.
【００１５】上記肌状態観察用装置１においては、紫外
ＬＥＤ６だけでもよいが、図１および２に示すように、
紫外ＬＥＤと可視ＬＥＤをフード２内に設け、例えば、
最初に可視ＬＥＤを照射して皮膚の状態を観察し、次い
で、紫外ＬＥＤを照射してポルフィリン由来の蛍光を観
察すれば、皮膚のどの部分にポルフィリンが存在する
か、ひいてはどこにアクネ菌がいるかが容易に観察でき
る。In the device 1 for observing the skin condition, only the ultraviolet LED 6 may be used, but as shown in FIGS.
An ultraviolet LED and a visible LED are provided in the hood 2, for example,
First, irradiate the visible LED to observe the condition of the skin, and then irradiate the ultraviolet LED to observe the fluorescence derived from the porphyrin, and in which part of the skin the porphyrin is present, and where is acne bacteria. Easy to observe.
【００１６】図１および図２の肌状態観察用装置によ
り、肌状態の観察、すなわち、ポルフィリンの有無から
のアクネ菌の検出を行うには、次のようにすればよい。
すなわち、まず開放部５の中心を肌状態を観察すべき部
分と合わせる。次いで、切換スイッチ９を操作して可視
ＬＥＤを点灯し、皮膚の外観を観察する。次いで、切換
スイッチにより、紫外ＬＥＤ６を点灯させ、上記部分に
照射する。その後、照射部分から発せられるポルフィリ
ン由来の蛍光を、観察窓３から観察する。この観察方法
としては、直接目視による方法を使用しても良いし、例
えば、カメラ、ビデオカメラ等観察機器を用いて記録す
る方法を使用しても良い。The observation of the skin condition, that is, the detection of acne bacteria from the presence or absence of porphyrin, can be carried out by the device for observing the skin condition of FIGS. 1 and 2 as follows.
That is, first, the center of the open portion 5 is aligned with the portion where the skin condition is to be observed. Next, the changeover switch 9 is operated to turn on the visible LED, and the appearance of the skin is observed. Then, the changeover switch turns on the ultraviolet LED 6 to irradiate the above portion. Then, the porphyrin-derived fluorescence emitted from the irradiated portion is observed through the observation window 3. As this observation method, a direct visual observation method may be used, or a recording method using an observation device such as a camera or a video camera may be used.
【００１７】なお、上記肌状態観察用装置１のフード２
は、観察すべき皮膚面を十分に覆い、外光が入ることを
避けるために、その一部または全部が、ゴム、ポリウレ
タン等の弾性材料で形成されていることが好ましい。ま
た、フードは、均一の厚みでなく、図１に示すように上
部は厚く、下部にいくほど薄くなっていれば、自然に下
部の弾性があがるのでより好ましい。更に、フードが遮
光性材料で構成されていれば、外光をほぼ完全に遮るの
で、蛍光が観察しやすく、好ましい。The hood 2 of the skin condition observing apparatus 1
In order to sufficiently cover the skin surface to be observed and to prevent external light from entering, it is preferable that part or all of it is formed of an elastic material such as rubber or polyurethane. Further, the hood is not uniform in thickness, and as shown in FIG. 1, it is more preferable that the upper part is thicker and the lower part is thinner, since the elasticity of the lower part naturally increases. Furthermore, it is preferable that the hood is made of a light-shielding material, since it blocks out external light almost completely, and fluorescence can be easily observed.
【００１８】更に、図１の肌状態観察用装置１は、広い
範囲の肌状態の観察に適するように、フード２がお椀を
伏せたような半球形状であったが、このような形状に限
られるものではない。例えば、図３に示すような、先端
部がつぼまった形状であっても良く、このような形状の
ものであれば、限られた部分についての肌状態の観察が
可能となる。Further, in the apparatus 1 for observing the skin condition of FIG. 1, the hood 2 has a hemispherical shape like a bowl so that it is suitable for observing a wide range of skin conditions, but it is limited to such a shape. It is not something that can be done. For example, as shown in FIG. 3, the shape may be such that the tip portion is closed, and if it is such a shape, it is possible to observe the skin condition of a limited portion.
【００１９】更にまた、観察用窓部３は必ずしもフード
２の中央に設ける必要はなく、例えば図４および図５に
示すように偏心させても良い。このような場合は、紫外
ＬＥＤ６を一方側にのみ取り付けても良い。なお、図４
および図５においては、フードの一部が、前記したよう
に弾性材料２ａで形成されている。Furthermore, the observation window portion 3 does not necessarily have to be provided at the center of the hood 2, and may be eccentric as shown in FIGS. 4 and 5, for example. In such a case, the ultraviolet LED 6 may be attached to only one side. Note that FIG.
In addition, in FIG. 5, a part of the hood is formed of the elastic material 2a as described above.
【００２０】次に、上記肌状態観察用装置の原理を応用
した肌状態撮像用装置について説明する。図６は、肌状
態撮像用装置を模式的に示した断面図、図７は、肌状態
撮像用装置のブロック図である。図中、２はフード、５
は開放部、６は紫外ＬＥＤ、７は可視ＬＥＤ、８はカッ
トフィルター、９は切換スイッチ、１０は肌状態撮像用
装置、１１は撮像用カメラ、１２はカメラコントロール
ユニット、１３は電源、１４はモニターをそれぞれ示
す。Next, a skin condition imaging device to which the principle of the skin condition observation device is applied will be described. FIG. 6 is a cross-sectional view schematically showing the skin condition imaging device, and FIG. 7 is a block diagram of the skin condition imaging device. In the figure, 2 is a hood and 5
Is an open part, 6 is an ultraviolet LED, 7 is a visible LED, 8 is a cut filter, 9 is a changeover switch, 10 is a skin condition imaging device, 11 is an imaging camera, 12 is a camera control unit, 13 is a power supply, and 14 is Shows each monitor.
【００２１】図６に示す肌状態撮像用装置１０は、基本
的に図１の肌状態観察用装置の観察用窓部３および窓筒
４が、撮像用カメラ１１に代わったものである。もちろ
ん、撮像用カメラとしては、他のカメラであっても良い
が、小型であることや、すぐに画像が見られることか
ら、ＣＣＤカメラやＣＭＯＳカメラ等が好ましい。In the skin condition imaging device 10 shown in FIG. 6, basically, the observation window portion 3 and the window cylinder 4 of the skin condition observation device of FIG. 1 are replaced with the imaging camera 11. Of course, other cameras may be used as the imaging camera, but a CCD camera, a CMOS camera, or the like is preferable because it is small and the image can be seen immediately.
【００２２】またこの装置は、図７に示すように紫外Ｌ
ＥＤ６、可視ＬＥＤ７の切換スイッチ９の操作により、
可視光で見た肌の状態と、紫外光により発光したポルフ
ィリン由来の蛍光を簡単に切り換えて撮像することがで
きる。更に、カメラコントロールユニット１２により、
撮像の明るさや、解像度を適当に変えることができる。Further, this apparatus is equipped with an ultraviolet L
By operating the changeover switch 9 of the ED 6 and the visible LED 7,
It is possible to easily switch between the skin condition viewed with visible light and the fluorescence derived from porphyrin emitted by ultraviolet light for imaging. Furthermore, by the camera control unit 12,
The brightness of the image pickup and the resolution can be appropriately changed.
【００２３】上記の肌状態撮像用装置１０は、この装置
自体に撮像用カメラ１１が入っているので、直接モニタ
ー１４と結合して画像を見ることができ、撮像と同時に
被験者にその結果を示すことが可能となるものである。Since the apparatus 10 for imaging skin condition mentioned above has the imaging camera 11 in the apparatus itself, the image can be directly connected to the monitor 14 to view the image, and the result is shown to the subject simultaneously with the imaging. It is possible.
【００２４】[0024]
【発明の効果】本発明の肌状態観察用装置および肌状態
撮像用装置は、フード中に紫外ＬＥＤと観察用窓または
ＣＣＤカメラを設けたものであるため、暗室や、特別の
バック等を使用せず、簡単に紫外光を照射されたポルフ
ィリンが発する蛍光を観察することができるものであ
る。The device for observing skin condition and the device for imaging skin condition of the present invention are provided with an ultraviolet LED and an observation window or a CCD camera in the hood, so that a dark room or a special bag is used. Without doing so, it is possible to easily observe the fluorescence emitted by the porphyrin irradiated with ultraviolet light.
【００２５】そして、紫外ＬＥＤと可視ＬＥＤを併用し
た場合は、可視光で見た状態と、ポルフィリンが発する
蛍光を対比して観察ないし撮像することができるので、
どの部分にポルフィリン、ひいてはアクネ菌が存在する
か、簡単に判断することができる。また、フードの一部
または全部を弾性材料で形成した場合は、凹凸のある肌
部であってもフードで形成される空間に外光の侵入を防
ぐことができ、よりポルフィリンの存在を明確とするこ
とができる。When an ultraviolet LED and a visible LED are used together, it is possible to observe or image by comparing the state of visible light with the fluorescence emitted by porphyrin.
It is possible to easily determine in which part the porphyrin and thus the acne bacterium are present. In addition, when part or all of the hood is made of an elastic material, it is possible to prevent outside light from entering the space formed by the hood even if the skin has irregularities, and it becomes more clear that porphyrin is present. can do.
【００２６】従って、本発明の肌状態観察用装置および
肌状態撮像用装置は、店頭やデパートの売り場等で、簡
単に被験者の肌の状態、すなわち、アクネ菌の存在等を
明らかにすることができるものであり、化粧品や外用剤
の選択等に役立つものである。Therefore, the apparatus for observing the skin condition and the apparatus for imaging the skin condition of the present invention can easily reveal the condition of the skin of the subject, that is, the presence of acne bacteria, etc., at a store or a department store. It can be used and is useful for selecting cosmetics and external preparations.
【図１】 本発明肌状態観察用装置の一態様の断面図FIG. 1 is a cross-sectional view of one embodiment of the apparatus for observing skin condition of the present invention.
【図２】 本発明肌状態観察用装置の一態様の正面図FIG. 2 is a front view of one embodiment of the apparatus for observing the skin condition of the present invention.
【図３】 フード形状の異なる態様の肌状態観察用装置
を示した断面図FIG. 3 is a cross-sectional view showing an apparatus for observing skin conditions having different hood shapes.
【図４】 本発明肌状態観察用装置の別の態様の断面図FIG. 4 is a cross-sectional view of another embodiment of the apparatus for observing skin condition of the present invention.
【図５】 本発明肌状態観察用装置の別の態様の正面図FIG. 5 is a front view of another embodiment of the apparatus for observing the skin condition of the present invention.
【図６】 本発明肌状態撮像用装置の一態様の断面図FIG. 6 is a cross-sectional view of one embodiment of the apparatus for skin condition imaging of the present invention.
【図７】 本発明肌状態撮像用装置のブロック図FIG. 7 is a block diagram of a device for skin condition imaging of the present invention.
１ … … 肌状態観察用装置 ８ … … カットフィ
ルター
２ … … フード ９ … … ＬＥＤ切換
スイッチ
２ａ … … 弾性材料 １０ … … 肌状態撮像
用装置
３ … … 観察用窓部 １１ … … 撮像用カメ
ラ
４ … … 窓筒 １２ … … カメラコン
トロールユニット
５ … … 開放部 １３ … … 電源
６ … … 紫外ＬＥＤ １４ … … モニター
７ … … 可視ＬＥＤ
以 上1 ……… Skin condition observation device 8 ……… Cut filter 2 ……… Hood 9 ……… LED changeover switch 2a ……… Elastic material 10 ……… Skin condition imaging device 3 ……… Observation window 11 ……… Imaging camera 4 ... Window cylinder 12 ... Camera control unit 5 ... Opening section 13 ... Power supply 6 ... UV LED 14 ... Monitor 7 ... Visible LED and above
───────────────────────────────────────────────────── フロントページの続き (72)発明者 新本 浩一 東京都北区栄町48番18号 株式会社コーセ ー研究本部内 Ｆターム(参考） 2G043 AA03 BA16 EA01 FA01 FA05 FA06 GA01 GB01 GB05 GB16 GB18 JA02 KA02 KA03 KA05 LA03 LA05 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Koichi Niimoto Kose Co., Ltd. 48-18 Sakaemachi, Kita-ku, Tokyo -In Research Division F-term (reference) 2G043 AA03 BA16 EA01 FA01 FA05 FA06 GA01 GB01 GB05 GB16 GB18 JA02 KA02 KA03 KA05 LA03 LA05
Claims (15)
光発光ダイオードと観察用窓部を設けたことを特徴とす
る肌状態観察用装置。1. An apparatus for observing a skin condition, wherein an ultraviolet light emitting diode and an observation window are provided in a hood having one side opened.
００ｎｍないし４２０ｎｍである請求項第１項記載の肌
状態観察用装置。2. The light emitting area of the ultraviolet light emitting diode is 3
The device for observing the skin condition according to claim 1, which has a thickness of 00 nm to 420 nm.
成されている請求項第１項または第２項記載の肌状態観
察用装置。3. The skin condition observing device according to claim 1, wherein a part or all of the hood is made of an elastic material.
求項第１項ないし第３項のいずれかの項記載の肌状態観
察用装置。4. The skin condition observing device according to claim 1, wherein the hood is made of a light-shielding material.
とを特徴とする請求項第１項ないし第４項のいずれかの
項記載の肌状態観察用装置。5. The apparatus for observing a skin condition according to claim 1, further comprising a visible light emitting diode.
設けられた請求項第１項ないし第５項の何れかの項記載
の肌状態観察用装置。6. The apparatus for observing a skin condition according to claim 1, wherein an ultraviolet cut filter is provided on the observation window portion.
ポルフィリンを観察するものである請求項第１項ないし
第６項の何れかの項記載の肌状態観察用装置。7. The apparatus for observing a skin condition according to claim 1, which is for observing porphyrin derived from Propionibacterium acnes.
光発光ダイオードと撮像用カメラを設けたことを特徴と
する肌状態撮像用装置。8. An apparatus for skin condition imaging, comprising an ultraviolet light emitting diode and an imaging camera provided in a hood having one side open.
００ｎｍないし４２０ｎｍである請求項第８項記載の肌
状態観察用装置。9. The light emitting area of the ultraviolet light emitting diode is 3
9. The apparatus for observing skin condition according to claim 8, which has a thickness of 00 nm to 420 nm.
形成されている請求項第８項または第９項記載の肌状態
撮像用装置。10. The skin condition imaging device according to claim 8 or 9, wherein a part or all of the hood is made of an elastic material.
請求項第８項ないし第１０項の何れかの項記載の肌状態
撮像用装置。11. The skin condition imaging device according to claim 8, wherein the hood is formed of a light-shielding material.
ＭＯＳカメラである請求項第８項ないし第１１項のいず
れかの項記載の肌状態撮像用装置。12. The imaging camera is a CCD camera or C
The skin condition imaging device according to any one of claims 8 to 11, which is a MOS camera.
ことを特徴とする請求項第８項ないし第１２項の何れか
の項記載の肌状態撮像用装置。13. The skin condition imaging device according to claim 8, further comprising a visible light emitting diode.
が設けられた請求項第８項ないし第１３項の何れかの項
記載の肌状態撮像用装置。14. The skin condition image pickup device according to claim 8, wherein an ultraviolet ray cut filter is provided in the image pickup window portion.
のポルフィリンが発する蛍光を撮像するものである請求
項第８項ないし第１４項の何れかの項記載の肌状態撮像
用装置。15. The apparatus for imaging a skin condition according to claim 8, which is for imaging fluorescence emitted from porphyrin derived from Propionibacterium acnes.
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| JP2001397311A JP3974779B2 (en) | 2001-12-27 | 2001-12-27 | Skin condition observation apparatus and skin condition imaging apparatus |
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|---|---|---|---|
| JP2001397311A JP3974779B2 (en) | 2001-12-27 | 2001-12-27 | Skin condition observation apparatus and skin condition imaging apparatus |
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| JP2003190103A true JP2003190103A (en) | 2003-07-08 |
| JP3974779B2 JP3974779B2 (en) | 2007-09-12 |
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