JP4472069B2 - Medical capsule endoscope - Google Patents

Medical capsule endoscope Download PDF

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Publication number
JP4472069B2
JP4472069B2 JP32022599A JP32022599A JP4472069B2 JP 4472069 B2 JP4472069 B2 JP 4472069B2 JP 32022599 A JP32022599 A JP 32022599A JP 32022599 A JP32022599 A JP 32022599A JP 4472069 B2 JP4472069 B2 JP 4472069B2
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portion
capsule
oral
medical
traction
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JP2001137182A (en )
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英之 安達
康夫 平田
均 水野
寛伸 瀧澤
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オリンパス株式会社
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments 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
    • A61B1/04Instruments 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 combined with photographic or television appliances
    • A61B1/041Capsule endoscopes for imaging

Description

【0001】 [0001]
【発明の属する技術分野】 BACKGROUND OF THE INVENTION
本発明は、患者が嚥み下すことによって生体内に送り込み、食道及び胃等の観察及び医療処置等を行う医療用カプセル内視鏡に関する。 The present invention is fed into the body by the patient make seen aspiration relates to a medical capsule endoscope to observe and medical procedures such as the esophagus and stomach.
【0002】 [0002]
【従来の技術】 BACKGROUND OF THE INVENTION
近年、体腔内にスコープを挿入することにより、食道、胃、小腸、大腸などの消化管や肺等の気管を観察し、必要に応じて処置具チャンネル内に挿通した処置具を用いて各種の治療処理のできる内視鏡が利用されている。 Recently, by inserting a scope into the body cavity, esophagus, stomach, small intestine, by observing the digestive tract and trachea of ​​the lung such as such as colon, various by using the treatment instrument inserted through the treatment instrument channel as needed endoscopes can treat process is utilized. 特に、電荷結合素子(CCD)等の電子撮像デバイスを用いた電子内視鏡はモニタ上に画像を表示でき、内視鏡を操作する術者の疲労が少ないため広く利用されている。 In particular, an electronic endoscope using an electronic imaging device such as a charge coupled device (CCD) can display images on a monitor, fatigue of the operator who operates the endoscope has been widely used for small.
【0003】 [0003]
この内視鏡検査を行う際には、照明光を供給する光源装置や電子内視鏡から伝送される画像信号を処理するカメラコントロールユニットが備えられている手術室内で行うことが一般的であった。 In making this endoscopy, to perform in the operating room where the camera control unit for processing an image signal transmitted illumination light from the light source device and an electronic endoscope supplies are provided with a common It was.
【0004】 [0004]
また、内視鏡を経口的に挿入する際には、一般的に被検者にマウスピースをくわえさせ、患者の苦痛軽減のための鎮静剤投与等セデーションを施した後、挿入部を体腔内の目的部位まで押し込んで観察や処置を行っていた。 Further, when inserting an endoscope orally generally allowed added mouthpiece to the subject, after being subjected to sedation like sedation for a patient pain relief, the insertion portion in the body cavity I had done the observation and treatment by pushing up to the target site.
【0005】 [0005]
一方、患者への苦痛を軽減して診断や治療を行う目的で、例えば、測定器や無線機を組み込んだカプセルを飲み込ませ、胃や腸を通過する過程で体腔内のpH値を体外に伝送したり、施薬などを直接に行う医療用カプセル装置等が近年数多く提案されている。 On the other hand the transmission, for the purpose of performing the diagnosis and treatment to reduce the pain to the patient, for example, not swallowed the instrument or the capsule incorporating a radio, in the process of passing through the stomach or intestines the pH value in the body cavity outside the body or, medical capsule device or the like for like directly Seyaku have been proposed in recent years.
【0006】 [0006]
そして、医療用カプセル装置の1つとして特開平2−224650号公報には超音波振動子と、超音波駆動手段と、超音波ビームを走査する手段と、超音波反射信号を電気信号に変換して体外へ導出する伝送手段とを具備する超音波診断医用カプセルが示されている。 Then, convert the ultrasonic vibrator in JP-A-2-224650 as one of the medical capsule device, the ultrasonic drive unit, and means for scanning the ultrasonic beam, the ultrasonic reflection signal into an electric signal ultrasonic diagnostic medical capsule and a transmission means for deriving from the body Te is shown.
【0007】 [0007]
【発明が解決しようとする課題】 [Problems that the Invention is to Solve
しかしながら、前記特開平2−224650号公報に示されている超音波診断医用カプセルでは、超音波振動子が配設されている球形等に形成された経口カプセル部と、伝送手段が挿通されている有線部との連結部との間に段差が形成されていたため、胃内に到達した前記経口カプセル部を引き戻す際、この経口カプセル部が噴門にひっかかって検査時間を長引かせたり、経口カプセル部を抜去するために有線部に必要以上の負荷がかかって伝送手段に不具合を発生させるおそれがあった。 However, in the ultrasonic diagnostic medical capsule shown in JP-A Hei 2-224650, and oral capsule portion in which the ultrasonic transducers are formed on a spherical or the like is disposed, the transmitting means is inserted since step between the connection portion of the wired portion is formed, when pulling back the oral capsule part that has reached the stomach, or to prolong the testing time the oral capsule portion is caught in the cardia, the oral capsule portion load more than necessary to the wired portion there is a risk of generating defects in the transmission unit depends to removal.
【0008】 [0008]
また、患者への苦痛を軽減する目的のみならず、往診時の使用や、老人や子供への使用が可能な内視鏡が望まれていた。 In addition, not only the purpose to reduce the pain to the patient, use and at the time of visits, the endoscope that can be used to the old people and children has been desired.
【0009】 [0009]
本発明は上記事情に鑑みてなされたものであり、セデーションを施すことなく嚥下が容易で、胃内に到達した経口カプセル部を引き戻す操作を確実且つ容易に行え、在宅検査に使用可能な医療用カプセル内視鏡を提供することを目的にしている。 The present invention has been made in view of the above circumstances, is easy swallowing without performing sedation, an operation to retract the oral capsule part that has reached the stomach reliably and easily performed, for usable medicine home inspection It is the object to provide a capsule endoscope.
【0010】 [0010]
本発明の一態様による医療用カプセル内視鏡は、検査部位の観察を行う観察機能手段を少なくとも1つ配設した経口カプセル部と、この経口カプセル部の一端部から延出して、前記経口カプセル部を手元側へ引き寄せる牽引部材及び前記観察機能手段に接続される電気ケーブルを保護する保護部材を兼ねる牽引保護管と、を具備し、 前記経口カプセル部及び牽引保護管の外表面に親水性ポリマーを設け、前記経口カプセル部の前記牽引保護管と連結する部分の外形寸法は、前記経口カプセル部から前記牽引保護管に向かって略連続的に小径に変化することを特徴とする。 Medical capsule endoscope according to an aspect of the present invention comprises at least one disposed to oral capsules section observation function unit for performing observation of the testing area, extending from one end of the oral capsule portion, the oral capsule parts comprising a traction protective tube which also serves as a protective member for protecting an electrical cable connected to the pulling member and said observation function unit pull the hand side, the the hydrophilic polymer to the oral capsule portion and the outer surface of the traction protective tube the provided, external dimensions of the portion connected to the towing protection tube of the oral capsule unit is characterized by varying the diameter substantially continuously towards the towing protection tube from the oral capsule portion.
【0011】 [0011]
この構成によれば、牽引保護管を牽引して経口カプセル部の引き戻し操作を行った際、経口カプセル部と牽引保護管との連結部分の外形形状が滑らかに変化しているので、経口カプセル部を噴門等に引っかかることなくスムーズに移動させられる。 According to this configuration, when performing a pull-back operation of the oral capsule portion leading the tow protective tube, because the outer shape of the coupling portion between the oral capsule part and the traction protective tube is smoothly changed, oral capsule portion the moved smoothly without being caught in the cardia and the like.
【0012】 [0012]
【発明の実施の形態】 DETAILED DESCRIPTION OF THE INVENTION
以下、図面を参照して本発明の実施の形態を説明する。 Hereinafter, with reference to the drawings illustrating the embodiments of the present invention.
図1ないし図7は本発明の第1実施形態に係り、図1は本発明の医療用カプセル内視鏡を示す図、図2は医療用カプセル内視鏡の経口カプセル部と牽引保護管との連結構造を説明する図、図3は経口カプセル部の構成を説明する図、図4は発光部の構成を説明する図、図5は発光部の他の構成を説明する図、図6は医療用カプセル内視鏡を備えた内視鏡システムを説明する図、図7は医療用カプセル内視鏡の作用を説明する図である。 1 to 7 relate to a first embodiment of the present invention, Figure 1 shows a medical capsule endoscope of the present invention, FIG. 2 is an oral capsule portion of the medical capsule endoscope traction protective tube diagram illustrating the connection structure of FIG. 3 is a diagram illustrating the configuration of the oral capsule portion, FIG. 4 illustrating a structure of a light emitting portion, FIG. 5 is a diagram illustrating another structure of the light-emitting portion, Fig. 6 diagram illustrating an endoscope system provided with a medical capsule endoscope, FIG. 7 is a view for explaining the operation of the medical capsule endoscope.
【0013】 [0013]
図1に示すように本実施形態の医療用カプセル内視鏡(以下カプセル内視鏡と略記する)1はいわゆる電子内視鏡であり、観察機能手段として観察光学系11を構成する固体撮像素子(以下CCDとも記載する)2及び照明光学系12を構成する照明用白色LED(以下LEDとも記載する)3を内蔵した略楕円球状の経口カプセル部(経口カプセル部と略記する)10と、この経口カプセル部10に連結された外形寸法が前記経口カプセル部10より小径で柔軟かつ引張強度に優れたチューブ状部材である牽引保護管13と、この牽引保護管13の基端に配設された把持部14と、この把持部14の端部から延出して基端部に電気コネクタ15aを備えた電気ケーブル15とで主に構成されている。 (Hereinafter abbreviated to a capsule endoscope) medical capsule endoscope of the present embodiment, as shown in FIG. 1 1 is a so-called electronic endoscope, the solid-state imaging device that constitutes an observation optical system 11 as the observation functional means (hereinafter also referred to as CCD) 2, and (hereinafter also referred LED) lighting the white LED in the illumination optical system 12 3 oral capsules of the substantially ellipsoidal with a built-in (abbreviated as oral capsules portion) 10, this traction protective tube 13 is a tubular member concatenated outer dimensions and excellent flexibility and tensile strength smaller than the oral capsule portion 10 to the oral capsule portion 10, disposed at the proximal end of the traction protective tube 13 a gripping portion 14, is mainly constituted by an electric cable 15 having an electrical connector 15a to the proximal end portion extending from an end of the grip portion 14.
【0014】 [0014]
図2に示すように略楕円球状の経口カプセル部10は、先端側を構成する曲面形状部を有する透明カバー部21と、この透明カバー部21の基端側に水密に接続固定されるカプセル本体22とで構成され、このカプセル本体22の基端部に中心軸と略一致するように形成した連結固定部22a(図3参照)に前記牽引保護管13の先端部が連結固定されるようになっている。 Substantially spheroidal oral capsule portion 10 of the as shown in FIG. 2 includes a transparent cover 21 having a curved surface portion which constitutes the distal end side, a capsule body which is connected fixed watertightly to the base end side of the transparent cover 21 is composed of a 22, so that the tip portion of the traction protective pipe 13 is connected and fixed to form the coupling fixing portions 22a to be substantially coincident with the central axis at the proximal end of the capsule body 22 (see FIG. 3) going on.
【0015】 [0015]
図3に示すように前記カプセル本体22の基端側の外形形状は、牽引保護管13が接続される連結固定部22a近傍からカプセル本体22の先端側に向かうにしたがって外形寸法が略連続的に大径にそして滑らかに変化する外形形状変化部22bとして形成されている。 Figure wherein the outer shape of the base end side of the capsule body 22 as shown in 3, substantially continuously the external dimension toward the coupling fixing portions 22a near the traction protective tube 13 is connected to the distal end side of the capsule body 22 It is formed as the outer shape change unit 22b that changes the large diameter and smooth. つまり、経口カプセル部10と牽引保護管13との間の外形形状は、少なくとも直線部と連結固定部22aからカプセル本体22の先端側に向かうにしたがって外形寸法が連続的に大径に変化する部分とで構成され、かつ引っかかり部のない形状になっている。 That is, the outer shape between the oral capsule portion 10 and pulling protecting tube 13, the portion outside dimension toward and at least straight portion connecting the fixed portion 22a on the distal end side of the capsule body 22 changes continuously in diameter has been configured, and the no catch section shape and. そして、前記カプセル本体22と前記牽引保護管13との固定部は水密構造になっている。 Then, the fixed portion of the capsule body 22 and the pulling protecting tube 13 is in a watertight structure.
【0016】 [0016]
前記経口カプセル部10を構成する透明カバー部21の断面形状はドーム形状であり、この開口部と前記カプセル本体22の大径開口部との接続部分には観察部構成部材30の太径部31が補強部材の役割を兼ねて配置されている。 The cross-sectional shape of the oral capsule portion transparent cover part 21 constituting the 10 is dome-shaped, large-diameter portion 31 of the observation unit component 30 is a connecting portion between the large diameter opening of the opening the capsule body 22 There are disposed also functions of the reinforcing member.
【0017】 [0017]
前記観察部構成部材30は、太径部31と細径部32とを備え、断面形状が略凸字形状で中央部に貫通孔33を形成している。 The observation unit component 30 is provided with a large diameter portion 31 and small diameter portion 32 to form a through hole 33 in central cross-sectional shape with a substantially convex shape. この貫通孔33の基端部には前記観察光学系を構成するCCD2が配置され、このCCD2の前方側にはCCD撮像面に観察像を結像させるための例えば非球面対物レンズ34,34を複数配設している。 This is the base end portion of the through hole 33 CCD2 constituting the observation optical system is arranged, the aspheric objective lens 34, 34 for example for forming an observation image on the CCD imaging surface on the front side of the CCD2 and by arranging a plurality. これら非球面レンズ34,34を用いることで、レンズ枚数を減らせるのでカプセル部の全長を短くして、嚥下性が向上する。 By using these aspherical lenses 34 and 34, since the reduced number of lenses to reduce the overall length of the capsule portions, it is improved swallowability. また、太径部31の前面側には前記細径部32の周囲を等間隔に囲むように複数のLED3,…,3を配置している。 Further, a plurality of LED3 as on the front side surrounding at regular intervals around the small diameter portion 32 of the large-diameter portion 31, ..., are arranged 3.
【0018】 [0018]
そして、前記CCD2から延出する信号線16及び前記LED3から延出する電力線17は、前記カプセル本体22、牽引保護管13及び電気ケーブル15内を挿通して電気コネクタ15aまで延出している。 The power line 17 extending from the signal line 16 and the LED3 extending from the CCD2 is extended to the electrical connector 15a by inserting the capsule body 22, pulling protecting tube 13 and electrical cable 15. この電気コネクタ15aは、前記CCD2の駆動及びこのCCD2から出力される信号の処理を行うCCD用回路や前記LED3への電力の供給を行う光源用回路等を備えた電装装置に接続されるようになっている。 The electrical connector 15a is to be connected to the electric apparatus having a light source circuit or the like for driving and power supply to the CCD circuit and the LED3 for processing the signal output from the CCD2 of the CCD2 going on.
【0019】 [0019]
なお、図4に示すように前記LED3は、例えばケース体41に形成されている凹部42の底面に配置され、この凹部42内に前記LED3を埋めこむように蛍光剤43を充填した発光部40として構成されており、この発光部40を前記太径部31に配置している。 Incidentally, the as shown in FIG. 4 LED3 is disposed, for example on the bottom surface of the concave portion 42 formed in the case body 41, as the light emitting portion 40 filled with fluorescent material 43 so as to embed the LED3 in the recess 42 It is configured, and arranged the light-emitting portion 40 to the large diameter portion 31. なお、この発光部40は、破線に示す発光角θで照明光を発するように形成してある。 Note that the light emitting portion 40 is formed so as to emit illumination light emission angle θ shown in broken lines. これにより、従来のライトガイドファイバによる照明で発光角を広げるために用いていたレンズを不用にでき、カプセル部全長を短くして、嚥下性が向上する。 Accordingly, a lens that has been used to extend the emission angle illumination by the conventional light guide fiber can be unnecessary, and shortening the capsule portion total length, is improved swallowability.
【0020】 [0020]
また、前記図4に示した発光部40を構成する代わりに、図5(a)に示すように配置位置関係等を考慮した形状のケース体41aを形成し、このケース体41の底部に複数のLED3,…,3を配置し、凹部42a内に上述と同様に蛍光剤43を充填して発光部40aを構成するようにしてもよい。 Further, instead of forming the light emitting portion 40 shown in FIG. 4, to form a case body 41a of the shape considering placement positional relationship as shown in FIG. 5 (a), a plurality in the bottom of the case body 41 the LED 3, ..., 3 are arranged, it may be formed a light emitting portion 40a is filled with a fluorescent material 43 in the same manner as described above in the recess 42a. このことにより、図5(b)に示すように観察光学系と照明光学系との配置構成を所望の位置構成にして、観察性能の向上や例えば破線に示すように処置具等を配置するため等の空間部45を設けることも可能になる。 Thus, the arrangement of the observation optical system as shown in FIG. 5 (b) and the illumination optical system in the desired position arrangement, for placing the treatment instrument or the like as shown in improvement and for example dashed observed performance it becomes possible to provide a space portion 45 and the like.
【0021】 [0021]
さらに、前記図3に示した透明カバー部21、カプセル本体22で構成される経口カプセル部10の表面及び前記牽引保護管13の表面に潤滑性材料である親水性ポリマーコートを施している。 Further, FIG. 3 transparent cover 21 shown in, and subjected to a hydrophilic polymer coating is a lubricious material on a surface and the surface of the traction protective tube 13 constituted oral capsule portion 10 at the capsule body 22. このことにより、経口カプセル部10を嚥下した際、人体の水分と親水性ポリマーとが結合して、前記経口カプセル部10及び牽引保護管13の表面に水の膜が形成されて管腔との間の潤滑性が向上する。 Thus, when the swallowing an oral capsule portion 10, by bonding the body of water and a hydrophilic polymer, wherein the surface of the oral capsule portion 10 and pulling protecting tube 13 of the water film between the formed lumen lubricity between is improved.
【0022】 [0022]
上述のように構成したカプセル内視鏡1の作用を説明する。 Illustrating the operation of the capsule endoscope 1 configured as described above.
前記カプセル内視鏡1を備えた内視鏡システムについて説明する。 It will be described endoscope system having the capsule endoscope 1.
【0023】 [0023]
図6に示すように前記カプセル内視鏡1は、CCD2の駆動及び出力される信号の処理及びLED3への電力の供給を行う電装装置である例えば携帯型電装装置50と組み合わせて内視鏡システムを構成する。 6 the capsule endoscope 1 as shown in an endoscope system in combination with a portable electrical device 50 such as electric apparatus for performing power supply to the processing and LED3 of signals driven and the output of the CCD2 constitute a. この携帯型電装装置50は、前記電気コネクタ16aとの接続部51を備え、前記CCD2で撮像した内視鏡画像が液晶モニタ52上に表示される構成である。 The portable electric device 50 is provided with a connection 51 between the electrical connector 16a, the endoscopic image captured by the CCD2 is configured to be displayed on the LCD monitor 52.
【0024】 [0024]
前記携帯型電装装置50は、他に操作パネル53や内視鏡画像を撮影記録するためのシャッタボタン54、ビデオ出力端子55等を備え、このビデオ出力端子55に接続されるTVケーブル55aを介して例えば家庭用TV56の画面上に内視鏡画像を表示させることや、この家庭用VTR57を介してビデオテープ57aに検査経過の記録を行うことが可能になっている。 The portable electric device 50, a shutter button 54 for other imaging recording operation panel 53 and an endoscopic image, a video output terminal 55 or the like, via a TV cable 55a connected to the video output terminal 55 and by displaying the endoscopic image Te example on the screen of the home TV56, it becomes possible to perform the recording of the test course on a video tape 57a via the home VTR57. また、内視鏡画像の撮影記録は、例えばコンパクトフラッシュ(登録商標) 58などの記憶媒体で行われる。 The imaging recording endoscopic images is carried out, for example, a storage medium such as a compact flash (registered trademark) 58. そして、前記携帯型電装装置50は、商用電源又は家庭用電源、電池59などのバッテリー等によって駆動される。 Then, the portable electric device 50 is a commercial power source or a domestic power supply, is driven by a battery or the like, such as a battery 59.
【0025】 [0025]
ここで、上述した内視鏡システムで食道癌の早期発見のための内視鏡検査について説明する。 Here will be described an endoscopic examination for the early detection of esophageal cancer in the endoscope system described above.
まず、医師は、前記内視鏡システムを用意し、検査を希望する被検者の自宅を訪問する。 First of all, the doctor, to prepare the endoscope system, to visit the home of the subject you wish to test. そこで、内視鏡検査を行うためカプセル内視鏡1と携帯型電装装置50とを接続する等の準備を行う。 Therefore, to prepare such for connecting the capsule endoscope 1 for performing endoscopy and portable electric device 50.
【0026】 [0026]
次に、セデーションを施すことなく、被検者に経口カプセル部10を錠剤を飲むように嚥下してもらう。 Next, without performing the sedation, have them swallow an oral capsule portion 10 to the subject to drink tablets. すると、食道内の水分とカプセル内視鏡1の表面の親水性ポリマーとが結合して、経口カプセル部10が胃に向かって食道内をスムーズに移動していく。 Then, by bonding the hydrophilic polymer water and the capsule endoscope 1 in the surface of the esophagus, oral capsule portion 10 moves through the esophagus smoothly towards the stomach. そして、携帯型電装装置50の液晶モニタ52又は家庭用TV56の画面上に表示される内視鏡画像を観察している医師が、図7(a)に示すように経口カプセル部10が食道を通過して胃まで到達したことを確認したなら、矢印に示すように牽引保護管13を手元側に引き戻す操作を行う。 The physician observes the endoscopic image displayed on the portable electric device 50 a liquid crystal monitor 52 or screen household TV56 of the oral capsule portion 10 is esophagus as shown in FIG. 7 (a) If passed to it was confirmed that it has reached the stomach, performs an operation to pull back proximally traction protective tube 13 as indicated by an arrow.
【0027】 [0027]
このとき、経口カプセル部10と牽引保護管13との間に外形寸法が略連続的に滑らかに大径に変化する外形形状変化部22bが設けられているので、図7(b)に示すように牽引保護管13、経口カプセル部10がスムーズに噴門を通過していく。 At this time, since the outer shape change unit 22b that changes the large-diameter outer dimensions substantially continuously and smoothly between the oral capsule portion 10 and pulling the protective tube 13 is provided, as shown in FIG. 7 (b) traction protective tube 13, oral capsule portion 10 is gradually passed through the cardia smoothly. このことによって、経口カプセル部10が食道に配置される。 This allows the oral capsule portion 10 is placed in the esophagus.
【0028】 [0028]
この状態から、再びゆっくりと前記牽引保護管13を手元側に引き戻し操作する。 In this state, operating pull back proximally slowly the towing protective tube 13 again. このとき、食道の水分とカプセル内視鏡1の表面の親水性ポリマーとが結合しているので、食道内をスムーズに移動して、良好な内視鏡像が液晶モニタ52に表示される。 At this time, since the hydrophilic polymer water and the capsule endoscope 1 on the surface of the esophagus are attached, moves within the esophagus smooth, good endoscope image is displayed on the liquid crystal monitor 52.
【0029】 [0029]
そして、検査終了後、携帯型電装装置50の接続部51から電気コネクタ15aを外し、使用済みのカプセル内視鏡1と携帯型電装装置50とを分離して、内視鏡システムを持ちかえる。 Then, after the examination, the portable electrical device disconnect the electrical connector 15a from the connecting portion 51 of 50, by separating the portable electric device 50 and the endoscope 1 used capsule, bring an endoscope system. なお、持ち帰ったカプセル内視鏡1は、洗滌消毒して再使用が可能になる。 Incidentally, the capsule endoscope 1 brought back will allow reused disinfecting. また、このカプセル内視鏡1は、通常の内視鏡同様、手術室での使用も可能である。 Further, the capsule endoscope 1 is similar conventional endoscope, it is also possible to use in the operating room.
【0030】 [0030]
このように、観察機能手段として観察光学系及び照明光学系を備えた経口カプセル部と、信号線及び電力線を内挿した細径の牽引保護管との間に段部がなく、滑らかに形状が変化する外形形状変化部を設けてカプセル内視鏡を構成したことにより、嚥下されて胃まで到達した経口カプセル部を牽引保護管を引き戻し操作して食道に引き戻す際、この経口カプセル部が噴門に引っかかることなく、スムーズに食道に再配置して引き戻し操作を行いながら食道の検査をすることができる。 Thus, the oral capsule portion having an observation optical system and an illumination optical system as observation function unit, there is no stepped portion between the signal line and thin traction protective tube with interpolation of the power line, smoothly shaped by constructing the capsule endoscope by providing an outer shape change unit which changes, are swallowed when pulled back into the esophagus by operating pull back pulling protecting tube oral capsule portion has reached the stomach, the oral capsule portion in the cardia without being caught, it is possible to make the inspection of the esophagus while smoothly pulled back reposition the esophagus operation. このことによって、被検者にセデーションを施すことなく、被検者のリラックスできる自宅で容易に食道癌の早期検査を行える。 By this thing, without performing the sedation to the subject, easily an early inspection of esophageal cancer at home relaxing of the subject. また、経口カプセル部の目的部位までの導入が被検者の嚥下によって行われるので、例えば内視鏡検査技師等の医療関係者によってもカプセル内視鏡を用いた内視鏡検査を容易に行えるので、例えば医療関係者が検査経過をビデオテープ等に記録し、病院に持ち帰ることによって、担当医は病院に居ながらにして診断を下すことが可能になる。 Also, since the introduction of the target region of the oral capsule part is made by swallows the subject, it can be easily endoscopic examination using a capsule endoscope by medical personnel, such as endoscopy technician e.g. because, for example, the medical personnel inspection elapsed recorded on a video tape or the like, by bring back to the hospital, the attending physician it is possible to make a diagnosis while staying in the hospital.
【0031】 [0031]
また、経口カプセル部を構成する透明カバー部及びカプセル本体の表面及び牽引保護管の表面に親水性ポリマーコートを施したことによって、管腔との間の潤滑性を大幅に向上させることができる。 Further, by provided with a hydrophilic polymer coating on the surface and the surface of the traction protective tube of the transparent cover and the capsule body constituting an oral capsule unit, it is possible to greatly improve the lubricity between the lumen. このことによって、経口カプセル部の嚥下及び経口カプセルを胃から再び食道を介しての回収をスムーズに行える。 This fact, allows swallowing and oral capsule oral capsule portion smoothly recover again via the esophagus from the stomach.
【0032】 [0032]
なお、本実施形態においては前記経口カプセル部10の外形形状を構成する際、カプセル本体22に外形形状変化部22bを形成したが、例えば図8(a)の経口カプセル部の他の構成を示す図のように前記カプセル本体22の外形形状変化部22bと外形形状が略同形状で連結固定部9aを備えた連結部材9を形成して、この連結部材9を介してカプセル本体22Aと牽引保護管13とを連結する構成にしてもよい。 Incidentally, when the present embodiment that constitutes the outer shape of the oral capsule portion 10, shown has formed the outer shape change unit 22b in the capsule body 22, for example, another configuration of an oral capsule portion shown in FIG. 8 (a) the capsule to form a coupling member 9 having a connecting fixing portion 9a substantially the same shape outer radius variations 22b and the outer shape of the main body 22 as shown in the figure, traction and protection capsule body 22A through the coupling member 9 it may be configured to connect the tube 13. このとき、前記カプセル本体22Aに対して前記太径部31及び細径部32を備えた前記観察部構成部材30を一体的に構成し、前記CCD2,レンズ34,34、発光部40を配置しておく。 At this time, the observation portion constituting member 30 having the large diameter portion 31 and small diameter portion 32 with respect to the capsule body 22A integrally formed, placing the CCD 2, the lens 34, the light emitting portion 40 to keep.
【0033】 [0033]
また、前記経口カプセル部10の外形形状も連結固定部からカプセル本体の先端側に向かうにしたがって外形寸法が連続的に滑らかに大径に変化する外形形状変化部に限定されるものではなく、例えば図8(b)の外形形状部の1例を示す図のように外形形状変化部を直線的に変化する円錐形状で形成したり、図8(c)の外形形状部の他の例を示す図のように2つの曲面の組合せで形成したり、図8(d)の外形形状部の別の例を示す図のようにシグモイド関数的に変化する形状で形成したり、図8(e)の外形形状部のまた他の例を示す図のように放物線形状で変化する形状で形成するようにしてもよい。 Further, the invention is not limited to the outer shape change unit outside dimension varies continuously and smoothly diameter according outer shape toward the tip end of the capsule body from the connecting fixing portion of the oral capsule portion 10, for example, or formed with linearly varying conical outer shape changing portion as a view showing an example of the outer shape portion in FIG. 8 (b), showing another example of the outer shape portion shown in FIG. 8 (c) It may be formed by a combination of the two curved surfaces as shown, or formed by a sigmoid function varying shape as in diagram illustrating another example of the outer shape portion of FIG. 8 (d), the FIG. 8 (e) may be formed in a shape that varies parabolic shape as shown in also shows another example of the outer shape of the.
【0034】 [0034]
図9は本発明の第2実施形態に係る経口カプセル部の別の構成を説明する図である。 Figure 9 is a view for explaining another configuration of an oral capsule unit according to the second embodiment of the present invention. なお、図9(a)は経口カプセル部の構成を示す図、図9(b)は作用を説明する図である。 Incidentally, FIG. 9 (a) illustrates a configuration of an oral capsule portion, FIG. 9 (b) is a diagram for explaining the action.
【0035】 [0035]
図9(a)のに示すように本実施形態の経口カプセル部10Aは、前記第1実施形態に示したように先端部に位置していた観察光学系11及び照明光学系12を牽引保護管13が連結固定される側に設けている。 Figure 9 (a) oral capsule portion 10A of the present embodiment, as shown in the tow protective tube the tip observation optical system 11 and the illumination optical system 12 was located, as shown in the first embodiment 13 is provided on the side to be connected and fixed. このことにより、図9(b)に示すように嚥下されて胃まで到達した経口カプセル部を牽引保護管を引き戻す操作を行って食道に引き戻す際、観察範囲が経口カプセル部10Aの後端部側になって噴門の検査を行うことが可能になるとともに、前記経口カプセル部10Aをスムーズに食道に再配置して引き戻し操作をしながら食道の検査を行える。 Thus, when pulled back into the esophagus by performing an operation to pull back the towing protection tube oral capsule part that has reached been swallowed as shown in FIG. 9 (b) to the stomach, the rear end side of the observation range is oral capsule portion 10A it becomes possible to perform the cardia inspection turned, perform the inspection of the esophagus while relocation to pull back operation esophagus the oral capsule portion 10A smoothly. なお、上述のように経口カプセル部10Aを構成するとき、前記牽引保護管13との連結固定部を透明カバー部21Aに設けている。 Note that when configuring the oral capsule portion 10A as described above, is provided on the transparent cover 21A the connecting fixing portion between the traction protective tube 13. そして、牽引保護管13の中心軸と透明カバー部21Aの中心軸とが異なる位置関係で構成してある。 Then, the central axis of the transparent cover portion 21A of the traction protective tube 13 are constituted in a positional relationship different. その他の構成は前記第1実施形態と同様である。 Other components are similar to those of the first embodiment.
【0036】 [0036]
このように、観察光学系及び照明光学系を牽引保護管が連結固定される側に設けて経口カプセル部を構成したことにより、胃まで到達した経口カプセル部を食道に引き戻す操作を行った際に噴門の検査を行うことができる。 Thus, by pulling the protective tube an observation optical system and the illumination optical system constituted the oral capsule portion is provided on the side to be connected and fixed, when performing an operation to pull back the oral capsule portion has reached the stomach into the esophagus it is possible to perform the cardia of the inspection. その他の作用及び効果は前記第1実施形態と同様である。 Other functions and effects are the same as the first embodiment.
【0037】 [0037]
なお、図10(a)の経口カプセル部のまた他の構成を示す図のように観察光学系11及び照明光学系12を先端部及び基端部の両方に設けて経口カプセル部10Bを構成して、同図(b)の作用を説明する図に示すように経口カプセル部10Bの前方側及び後方側の観察を行えるようにしてもよい。 Note that constitutes an oral capsule portion 10B provided on both of the front end portion of the observation optical system 11 and the illumination optical system 12 as shown in diagram illustrating still another configuration of an oral capsule portion and the proximal portion shown in FIG. 10 (a) Te, can be offered by the front side and the rear side observation oral capsule portion 10B as shown in diagram explaining the operation of FIG. (b).
【0038】 [0038]
また、図11(a)の側面に複数の観察機能手段を設けた経口カプセル部の図に示すように側周面を構成するカプセル本体22Aに複数の観察光学系11及びそれら観察光学系11に対応する照明光学系12を設けて経口カプセル部10Cを構成するようにしてもよい。 Further, the plurality of observation optical systems 11 and their observation optical system 11 into the capsule body 22A constituting the side peripheral surface as shown in FIG oral capsule portion having a plurality of observation functional unit on the side surface shown in FIG. 11 (a) the corresponding illumination optical system 12 may be configured oral capsule portion 10C is provided. このことによって、経口カプセル部10Cの前方側及び後方側の観察に加えて側方の観察も可能になる。 Thereby, the side of the observed becomes possible in addition to the observation of the front side and rear side of the oral capsule portion 10C. また、図11(b)の側面に1つの観察機能手段を設けた経口カプセル部の図に示すように側周面を構成するカプセル本体22Aに複数の観察光学系11及びそれら観察光学系11に対応する照明光学系12を設ける代わりに、1つの観察光学系11及び照明光学系12を設け、そのカプセル本体22Aを回転自在にして経口カプセル部10Dを構成するようにしてもよい。 Further, the plurality of observation optical systems 11 and their observation optical system 11 into the capsule body 22A constituting the side peripheral surface as shown in FIG oral capsule portion provided with one observation function unit to the side surface shown in FIG. 11 (b) instead of providing the corresponding illumination optical system 12, it may be a single observation optical system 11 and the illumination optical system 12 is provided, constituting the oral capsule portion 10D to freely rotate the capsule main body 22A. このことによって、経口カプセル部10Dの前方側及び後方側の観察に加えて、1つの観察光学系で側方全周の観察を行える。 Thereby, in addition to the observation of the front side and rear side of the oral capsule portion 10D, allows the entire lateral periphery of the observation by a single observation optical system. また、図11(c)の側面に他の観察機能手段を設けた経口カプセル部の図に示すように側周面を構成するカプセル本体22Aに複数のアレイ素子を配設した超音波観測部29を設けて経口カプセル部10Eを構成するようにしてもよい。 Further, 11 ultrasound imaging unit 29 which is disposed a plurality of array elements in the capsule body 22A constituting the side peripheral surface as shown in FIG oral capsule portion provided another observation function unit to the side of (c) the may be configured oral capsule portion 10E is provided. このことによって、経口カプセル部10Eの前方側及び後方側の観察を内視鏡画像によって行えるとともに側方の観察を超音波画像によって行える。 Thereby, enabling the sides of the observation by ultrasonic imaging with performed by the endoscope image front and rear side observation oral capsule portion 10E.
【0039】 [0039]
さらに、図12(a)の湾曲部を設けたカプセル内視鏡の図に示すようにカプセル内視鏡1Aを、前記カプセル本体22と前記牽引保護管13との間に、従来の細径の内視鏡と同様に湾曲駒を連設して構成した湾曲部4を設け、この湾曲部4を操作する湾曲操作ノブ5を把持部14に設けて構成してもよい。 Further, the capsule endoscope 1A, as shown in FIG capsule endoscope having a bending portion of FIG. 12 (a), between the towing protection tube 13 and the capsule body 22, of a conventional small diameter the endoscope and the bending portion 4 configured by consecutively provided a bending piece similarly provided, may be constituted by providing a bending operation knob 5 for operating the bending section 4 to the grip portion 14. このとき、湾曲操作ワイヤは牽引保護管13の貫通孔に配置される。 At this time, the bending operation wire is arranged in the through hole of the towing protective tube 13. このことにより、図12(b)の作用を説明する図に示すように経口カプセル部10が胃に到達した状態で、湾曲部4を湾曲させることによって噴門の検査を行える。 Thus, in a state where the oral capsule 10 reaches the stomach as shown in diagram explaining the operation of FIG. 12 (b), allows the cardia test by bending the bending portion 4.
【0040】 [0040]
図13は本発明の第3実施形態に係るカプセル内視鏡の別の構成を説明する図である。 Figure 13 is a diagram illustrating another configuration of the capsule endoscope according to a third embodiment of the present invention. なお、図13(a)は硬度可変機構を有するカプセル内視鏡を説明する図、図13(b)は硬度可変機構を説明する図、図13(c)は本実施形態の作用を説明する図である。 Incidentally, FIG. 13 (a) diagram illustrating the capsule endoscope having a hardness variable mechanism, and FIG. 13 (b) is a diagram illustrating the hardness varying mechanism, FIG. 13 (c) the action of the present embodiment is described it is a diagram.
図13(a)に示すように本実施形態のカプセル内視鏡1Bは、牽引保護管13の硬度を変化させる硬度可変機構として硬度可変装置6を具備している。 The capsule endoscope 1B of the present embodiment, as shown in FIG. 13 (a) is provided with a rigidity changing device 6 as hardness variable mechanism for changing the hardness of the traction protective tube 13. この硬度可変装置6は、同図(b)に示すように前記牽引保護管13の貫通孔内に配置される硬度変化部61と、前記把持部14の例えば基端部に配置される硬度調整部65とで構成されている。 The hardness changing device 6, the change in hardness portion 61 which is disposed in the through hole of the pulling protecting tube 13 as shown in FIG. (B), temper disposed for example the proximal end portion of the grip portion 14 It is composed of a part 65.
【0041】 [0041]
前記硬度変化部61は、先端側に配置された先端形成部材62と、この先端形成部材62に一端部を固定したコイルシース63と、このコイルシース63内に挿通配置されて一端部を前記先端形成部材62に固定したワイヤ64とで構成されている。 The change in hardness portion 61 includes a distal end forming member 62 disposed on the distal end side, a coil sheath 63 which is fixed one end to the distal end forming member 62, the tip forming member insertion disposed in one end portion in the coil sheath 63 It is composed of a fixed wire 64 to 62.
【0042】 [0042]
一方、前記硬度調整部65は、前記コイルシース63の他端部が固定され前記把持部14に一体的に固定配置される略パイプ形状で基端部外周側に雄ネジ部を形成したコイル固定部材66と、このコイル固定部材66の雄ネジ部に螺合する雌ネジ部を有して進退自在な調整ツマミ67と、前記ワイヤ64の他端部を固定保持して前記調整ツマミ67の基端部に配置されるワイヤ固定部材68とで構成されてる。 Meanwhile, the hardness adjusting unit 65, the coil fixing member formed with a male threaded portion on the base end outer periphery in a substantially pipe shape with the other end is fixed fixedly disposed integrally to the grip portion 14 of the coil sheath 63 66, and the coil fixed retractably adjustment knob 67 has a female screw portion to be screwed to the male screw portion of the member 66, the proximal end of the adjustment knob 67 to secure holding the other end of the wire 64 It is composed of a wire fixing member 68 arranged in part.
【0043】 [0043]
このため、経口カプセル部10が胃に到達した状態で、前記調整ツマミ67を操作して前記ワイヤ固定部材68を矢印方向に移動させることによって、コイルシース63が収縮して牽引保護管13の硬度が変化させて例えば、図13(c)に示すように牽引保護管13の硬度を硬状態にして幽門近傍の検査も行える。 Therefore, in a state where the oral capsule 10 reaches the stomach, by by operating the adjustment knob 67 moves the wire fixing member 68 in the arrow direction, the hardness of the traction protective tube 13 the coil sheath 63 is contracted for example by changing, to hard condition the hardness of the traction protective tube 13 as shown in FIG. 13 (c) allows the inspection of the pyloric vicinity. また、牽引保護管13の硬度を硬状態に変化させておくことにより、カプセル内視鏡1の押し込みによる挿入が可能になる。 Further, by previously changing the hardness of the traction protective tube 13 to the hard state, it is possible to insert by pushing the capsule endoscope 1.
【0044】 [0044]
なお、前記牽引保護管13の硬度を可変させる硬度可変機構としては上述した硬度可変装置6に限定されるものではなく、例えば牽引保護管13の貫通孔に図14(a)の硬度可変機構の他の構成を説明する図に示すすように細長で膨縮自在なバルーン7を配置するものであってもよい。 Incidentally, the present invention is not limited to the hardness changing device 6 described above the hardness of the traction protective tube 13 as a hardness variable mechanism for varying, hardness variable mechanism shown in FIG. 14 (a) for example, the through hole of the pulling protecting tube 13 an elongated as to shown in diagram illustrating another configuration may be configured to place the expansion and contraction freely balloon 7. 前記バルーン7への送気は把持部14に設けた送気口71に接続される送気チューブ72を介して送気装置73によって行う。 Air to the balloon 7 is performed by the gas supply apparatus 73 via the air supply tube 72 connected to the air supply port 71 provided in the grip portion 14. このため、図14(b)の作用を説明する図に示すように牽引保護管13内の所定位置に予め配置されているバルーン7内に供給する空気の量を適宜調整することによって、つまり、バルーン7の膨縮状態を変化させて牽引保護管13の硬度を所望の状態に調整して挿入及び検査を行える。 Therefore, by appropriately adjusting the amount of air supplied into the balloon 7 which has been previously positioned at a predetermined position in the traction protective tube 13 as shown in diagram explaining the operation in FIG. 14 (b), i.e., the expansion and contraction states of the balloon 7 by changing the hardness of the traction protecting tube 13 was adjusted to a desired state allows the insertion and inspection.
【0045】 [0045]
また、上述したように牽引保護管13の貫通孔内に挿通配置するものとしては前記硬度可変装置6の硬度変化部61やバルーン7等に限定されるものではなく、例えば貫通孔内に送水チューブを設けるようにしてもよい。 Also, not as being inserted and arranged in the through hole of the towing protective tube 13 as described above is to be limited to the hardness varying device hardness change unit 61 and the balloon 7 of 6 such as for example the water supply tube into the through hole the may be provided.
【0046】 [0046]
そして、この送水チューブを貫通孔内に設ける際には図15(a)のと遂行を有するカプセル内視鏡の構成を示す図のようにカプセル本体22の側周面や牽引保護管13の中途部側周面に複数の吐水孔75,…,75を形成してカプセル内視鏡1Cを構成する。 The middle of the side peripheral surface and the traction protective tube 13 of the capsule body 22 as in providing the water supply tube in the through-hole is a diagram showing a configuration of a capsule endoscope having the performance and 15 of (a) a plurality of water discharge holes 75 on the part side peripheral surface, ..., to form a 75 constituting the capsule endoscope 1C. このことにより、図15(b)の作用を説明する図に示すように経口カプセル部10を嚥下した状態で、把持部の送水口76に連結した送水用シリンジ77によって送水を行うことによって、この送水用シリンジ77によって送り込まれた水が吐水孔75,…,75から経口カプセル部10及び牽引保護管13の表面に流れ出て、これら経口カプセル部10及び牽引保護管13の表面にコーティングされている親水性ポリマーと結合して潤滑性能を向上させるとともに、吐水される水が潤滑剤の役割を果たす。 Thus, while swallowing an oral capsule portion 10 as shown in diagram explaining the operation of FIG. 15 (b), the by performing water by water supply syringe 77 coupled to the water supply port 76 of the grip portion, the water discharge port 75 is water which is fed by water supply syringe 77, ..., it flows out of 75 on the surface of the oral capsule portion 10 and pulling protecting tube 13 is coated on the surface of these oral capsule portion 10 and pulling protecting tube 13 It improves the lubricating performance combined with a hydrophilic polymer acts the water spouted is the lubricant.
【0047】 [0047]
さらに、図16に示すように経口カプセル部81と牽引保護管82との間に大きな段差部83のあるカプセル内視鏡80に対しては、この経口カプセル部81と牽引保護管82とを覆うカプセル用カバー85を取り付ける。 Further, with respect to the capsule endoscope 80 with a large step portion 83 between the oral capsule portion 81 and pulling the protective tube 82 as shown in FIG. 16, covering this oral capsule portion 81 and pulling the protective tube 82 attaching the encapsulating cover 85.
【0048】 [0048]
前記カプセル用カバー85は、経口カプセル部81の少なくとも一部を覆うように配置されるカプセルカバー部86と、牽引保護管82を覆い包む挿入部カバー部87とで構成され、前記カプセルカバー部86と前記挿入部カバー部87との間には上述したように外形寸法が略連続的に滑らかに変化する外形形状変化部88を設けている。 The encapsulating cover 85 includes a capsule covering portion 86 that is disposed so as to cover at least a portion of the oral capsule portion 81 is constituted by an insertion portion covering portion 87 that surround the traction protective tube 82, the capsule cover portion 86 It is provided an outer shape changing portion 88 outside dimension varies substantially continuously and smoothly as described above between the insertion portion covering portion 87 and.
【0049】 [0049]
このことにより、経口カプセル部81と牽引保護管82との間に大きな段差部83のあるカプセル内視鏡80を使用する際、前記カプセル用カバー85を被せることによって、嚥下性の向上を図れる。 Thus, when using the capsule endoscope 80 with a large step portion 83 between the oral capsule portion 81 and pulling the protective tube 82, by covering the encapsulating cover 85, thereby improving the swallowability. なお、このカプセル用カバー85のカプセルカバー部86及び挿入部カバー部87、外形形状変化部88の表面に親水性ポリマーをコーティングを施したり、挿入部カバー部87に前述した硬度可変装置6や送水チューブを設ける構成であってもよい。 Incidentally, the capsule cover portion 86 and the insertion portion covering portion 87 of the capsule cover 85, or a coating of a hydrophilic polymer on the surface of the outer shape changing portion 88, the rigidity changing device 6 or the above-described insertion portion cover 87 water it may be configured to provide a tube.
【0050】 [0050]
図17は本発明の第4実施形態に係り、図17は処置具挿通用のチャンネルチューブを有するカプセル内視鏡の構成を説明する図である。 Figure 17 relates to a fourth embodiment of the present invention, FIG 17 is a diagram for explaining the configuration of a capsule endoscope having a channel tube for treatment instrument insertion. 図17(a)はカプセル内視鏡の構成を説明する図、図17(b)は牽引保護管の内部構成を説明する図、図17(c)は作用を説明する図である。 Figure 17 (a) illustrates a structure of a capsule endoscope, FIG. 17 (b) diagram illustrating the internal configuration of the traction protective tube, FIG. 17 (c) is a diagram for explaining the action.
【0051】 [0051]
図17(a)に示すように本実施形態のカプセル内視鏡1Dは、経口カプセル部90の先端側に処置具用開口91を有し、この処置具用開口91に後述する処置具挿通用のチャンネルチューブの一端部が連通している。 The capsule endoscope 1D of the present embodiment, as shown in FIG. 17 (a), the distal end side of the oral capsule portion 90 has a treatment instrument opening 91, a treatment instrument insertion which will be described later in this treatment instrument opening 91 one end portion of the channel tube is communicated. そして、このチャンネルチューブの他端部は牽引保護管92の貫通孔を挿通して把持部14の例えば基端に設けられた図示しない処置具挿通口に連通している。 Then, and communicates with the other end, not shown provided at the proximal end treatment device insertion port of the insertion to the grip portion 14 of the through hole of the pulling protecting tube 92 of the channel tube.
【0052】 [0052]
図17(b)に示すように前記牽引保護管92は、一部に伸縮性部材93を配置して構成されており、貫通孔内には前記信号線16及び電力線17とともに押しつぶして開口部を塞いだ状態にしたチャンネルチューブ94が配置してある。 The traction protective tube 92 as shown in FIG. 17 (b) is constructed by arranging the stretchable member 93 to the part, the opening in the through-hole crush together with the signal lines 16 and the power line 17 channel tube 94 in a state that blocked is is arranged.
【0053】 [0053]
このため、経口カプセル部90が胃に到達した状態のとき、図17(a)に示すように処置具を処置具挿通口から処置具用開口91に向けて挿入していくことにより、つぶれた状態のチャンネルチューブ94を図17(c)に示すように押し広げて処置具が進んでいく。 Therefore, the state where oral capsule 90 reaches the stomach, by going inserted toward the treatment instrument opening 91 from the treatment instrument insertion opening of the treatment instrument, as shown in FIG. 17 (a), crushed the channel tube 94 of the state spread as shown in FIG. 17 (c) progresses treatment instrument. このとき、牽引保護管92に設けられている伸縮性部材93も図17(c),(a)の破線に示すように広がって牽引保護管92が大径になる。 At this time, elastic member 93 provided in the towing protective tube 92 FIG. 17 (c), the traction protective tube 92 is larger in diameter spread as shown in the broken line in (a). その他の構成は上述した実施形態と同様であり、同部材には同符合を付して説明を省略する。 Other configurations are the same as the embodiment described above, the same members and the description thereof is omitted given the same reference numerals.
【0054】 [0054]
このように、経口カプセル部を胃に到達させた後、牽引保護管に設けられているつぶされた状態のチャンネルチューブを介して処置具を目的部位に導入することによって、観察のみならず必要に応じて処置を行うこともできる。 Thus, after the oral capsule portion to reach the stomach, by introducing the target region of the treatment instrument through the channel tube in a state of collapsed provided to the traction protective tube, needs not only observed in response it is also possible to carry out the treatment. その他の作用及び効果は上述した実施形態と同様である。 Other functions and effects are similar to the embodiment described above.
【0055】 [0055]
なお、前記実施形態においては牽引保護管の一部に伸縮性部材を設けてチャンネルチューブに処置具を挿通したとき牽引保護管が大径になるように構成したが、牽引保護管を以下のように構成しても同様の作用及び効果を得られる。 Although traction protective tube when inserted through the treatment instrument channel tube provided stretchable member to a portion of the traction protective tube in the embodiment is configured to be larger in diameter, the following traction protective tube obtain the same action and effect can be configured to.
【0056】 [0056]
図18(a)のカプセル内視鏡の他の構成を説明する図及び図18(b)の作用を説明する図に示すように、本実施形態においては牽引保護管92Aを体腔内温度で径寸法が大径になる形状記憶部材で形成している。 As shown in diagram explaining the operation of Figure and Figure 18 illustrating another configuration of the capsule endoscope (b) of FIG. 18 (a), the diameter at body cavity temperature traction protective tube 92A in this embodiment dimension is formed by the shape-memory member comprising a larger diameter. その他の構成及び作用・効果は前記第4実施形態と同様である。 Other configurations and operation and effect are the same as the fourth embodiment. なお、カプセル内視鏡を抜去する際にはチャンネルチューブ内に水を流し込んで牽引保護管92Aの径寸法を縮小する。 Note that to reduce the diameter of the traction protective tube 92A by pouring water into the channel tube when removing the capsule endoscope.
【0057】 [0057]
また、図18(c)のカプセル内視鏡の別の構成を説明する図及び図18(d)の作用を説明する図に示すように、本実施形態においては牽引保護管92Bを体液、電流検知、ph値の変化で径寸法が大径になる膨張ポリマーで形成している。 Further, as shown in diagram explaining the operation of Figure and Figure 18 illustrates another configuration of the capsule endoscope of FIG. 18 (c) (d), the body fluid traction protective tube 92B in the present embodiment, the current detection, diameter a change in ph value is formed by expanding a polymer comprising a larger diameter. その他の構成及び作用・効果は前記第4実施形態と同様である。 Other configurations and operation and effect are the same as the fourth embodiment.
【0058】 [0058]
さらに、図18(e)の内径寸法d1 のチャンネル部を説明する図及び図18(f)の内径寸法d2 のチャンネル部を説明する図に示すように本実施形態においては前記牽引保護管92の内部にバルーンを螺旋状に形成したチャンネル部95を設けている。 Furthermore, Figure 18 of the traction protective tube 92 in the present embodiment, as shown in diagram illustrating the channel portion of the inner diameter d2 of FIG and FIG 18 illustrating a channel portion of the inside diameter d1 (f) of (e) It is provided with a channel portion 95 which forms a balloon helically therein. このチャンネル部95はバルーン内の圧力を変化させることによって内径寸法が変化する。 The channel portion 95 is an inner diameter is changed by changing the pressure in the balloon. このため、嚥下する際にはバルーン内に空気を送らず内径寸法を小径なd1 にしておき、処置具を挿通するときバルーンを加圧して内径寸法を大径なd2 にする。 Therefore, the inner diameter not send air into the balloon during the swallowing leave smaller diameter d1, the inner diameter of the balloon is pressurized when inserting the treatment instrument into a large-diameter d2. このことによって、チャンネル部95の内径が大きく広がって処置具の挿通が可能になる。 This allows for the insertion of the inner diameter of the channel portion 95 is larger spread treatment instrument.
【0059】 [0059]
又、図19(a)の処置具を有する経口カプセル部を説明する図に示すように経口カプセル部100に予め処置具101及び吸引チューブ102等を配置する処置具配置凹部103を設けてカプセル内視鏡1Eを構成するようにしてもよい。 Further, the capsule provided treatment instrument placement recess 103 to place the Figure 19 (a) pre-treatment tool 101 and suction tube 102 to the oral capsule portion 100, as shown in diagram illustrating the oral capsule portion having a treatment instrument such as it may constitute the endoscope 1E. この処置具101の開閉動作は、図示しない把持部に設けた処置具操作ノブ(不図示)によって行えるようになっている。 The opening and closing operation of the treatment instrument 101 is adapted to perform the treatment instrument operation knob provided to the grip portion (not shown) (not shown).
【0060】 [0060]
そして、前記処置具101は、経口カプセル部100を嚥下する際、口腔や喉、食道等に傷をつけることを防止するため、嚥下の際には図19(b)の嚥下状態の経口カプセル部を説明する図に示すように処置具101は閉じた状態であり、このとき処置具101の外形形状はすべて滑らかな曲面になっている。 Then, the treatment instrument 101, when swallowing oral capsule portion 100, to prevent damaging the mouth or throat, esophagus, etc., oral capsule of swallowing state of FIG. 19 during swallowing (b) treatment instrument 101 as shown in FIG explaining a is closed, which is all the time the outer shape of the treatment tool 101 into a smooth curved surface.
【0061】 [0061]
また、経口カプセル部10が胃に到達した状態で例えば処置すべき部位を発見した場合には、図20(a)の処置具挿通状態を示す図ないし図20(d)に示す連結部品110を順次処置具120及び牽引保護管13に配置して、図20(e)の処置具挿入状態を説明する図に示すように処置具120を目的部位に導入するようにしてもよい。 Further, when the oral capsule portion 10 finds a region to be a state, for example, the treatment reaching the stomach, the connecting part 110 shown in FIG. To FIG. 20 (d) showing a treatment instrument insertion state shown in FIG. 20 (a) arranged sequentially in the treatment instrument 120 and pulling protecting tube 13 may be a treatment instrument 120 as shown in diagram illustrating a treatment instrument insertion state of FIG. 20 (e) to be introduced into the target site.
【0062】 [0062]
図20(b)の連結部品の斜視図に示すように前記連結部品110は、口腔や喉、食道等に傷をつけることを防止するため外形形状はすべて滑らかな曲面で形成されている。 Figure 20 (b) said connecting part 110 as shown in the perspective view of the connecting part of the outer shape to prevent damaging the mouth or throat, esophagus, etc. all of which are formed with a smooth curved surface. そして、図20(c)の連結部品の正面図に示すようにこの連結部品110には、前記処置具120の挿入部121に付勢固定される処置具係入孔111と、前記牽引保護管13に沿って移動するように遊嵌配置される案内孔112と、前記処置具係入孔111及び案内孔112にそれぞれ形成されている接続溝114の開閉動作及び所定の固定力を発生させるための作用孔113とが設けられている。 Then, the connecting part 110, as shown in the front view of the coupling component of FIG. 20 (c) and the treatment instrument engagement in hole 111 is biased fixed to the insertion portion 121 of the treatment instrument 120, the traction protective tube a guide hole 112 which is loosely fitted arranged to move along a 13, for generating an opening and closing operation and a predetermined fixed power of the treatment instrument engaging in hole 111 and are formed in the guide hole 112 connecting groove 114 It is provided as the operation hole 113 is. したがって、図20(d)の連結部品の作用を説明する図に示すように作用孔113の両側部を指で矢印方向に押圧することによって前記接続溝114が開状態になる。 Thus, the connection groove 114 of the both sides by pressing in the arrow direction with a finger of the working hole 113, as shown in diagram for illustrating a function of coupling parts of FIG. 20 (d) is in the open state. このとき、前記図20(a)に示すように処置具120の挿入部121及び牽引保護管13へ連結部品110を取り付けることが可能になる。 At this time, it is possible to attach the diagram 20 joint part 110 to the insertion portion 121 and traction protective tube 13 of the treatment instrument 120 as shown in (a).
【0063】 [0063]
つまり、処置すべき部位を術者が発見したとき、まず、連結部品110を処置具120の挿入部121及び牽引保護管13へ取り付ける。 That is, when the surgeon the region to be treated is found, first, attaching the connecting piece 110 to the insertion portion 121 and traction protective tube 13 of the treatment instrument 120. 次に、この状態で処置具120を押し込み操作する。 Then, pushing in and operating the treatment instrument 120 in this state. すると、案内孔112が牽引保護管13に遊嵌した状態であるので、連結部品110が牽引保護管13に沿って体腔内を移動することにより、処置具120が徐々に体腔内に向かって移動していく。 Then, since it is a state where the guide hole 112 is loosely fitted to the traction protective tube 13, connected by the component 110 is moved in the body cavity along the towing protection tube 13, the treatment instrument 120 is gradually toward the body cavity moving going to. そして、所定量の移動を行った段階で、新たな連結部品110を前記挿入部121及び牽引保護管13に取り付け、再び処置具120を押し込操作する。 Then, at the stage of performing the movement of a predetermined amount, attaching a new coupling part 110 into the insertion portion 121 and traction protective tube 13, operated Push the treatment instrument 120 again. この一連の動作を繰り返し行うことによって、前記処置具120が前記図20(e)に示すように処置部位近傍まで導入されて、所望の処置を行える。 By repeating this series of operations, is introduced the treatment instrument 120 to the treatment site near As shown in FIG. 20 (e), allows the desired treatment.
【0064】 [0064]
ところで、上述した実施形態においては、内視鏡システムを、カプセル内視鏡1と携帯型電装装置50とで構成しているが、内視鏡システムを図21の内視鏡システムの他の構成を示す図のように構成するようにしてもよい。 Incidentally, in the embodiment described above, the endoscope system, it is configured in the capsule endoscope 1 and the portable electric device 50, other configurations of the endoscope system of FIG. 21 an endoscope system it may be configured as shown in diagram illustrating.
【0065】 [0065]
本実施形態における内視鏡システムは、図に示すように操作部付きカプセル内視鏡1Fと、送気送水装置付き収納ケース130と、検査データや画像データを記録・処理する携帯型コンピュータ140とを備えている。 The endoscope system according to this embodiment includes a capsule endoscope 1F equipped control unit as shown in the figure, the air and water supply device with storage case 130, the portable computer 140 for recording and processing the test data and the image data It is equipped with a. この内視鏡システムは、在宅検診は勿論、緊急検査、遠隔検診を可能にするものである。 The endoscope system, home screening of course, emergency testing, are those that permit the remote examination.
【0066】 [0066]
前記カプセル内視鏡1Fは、上述した構成と同様の経口カプセル部10と、この経口カプセル部10に連結された牽引保護管13とを備え、この牽引保護管13の基端には操作部122が配設されて、内視鏡を構成している。 The capsule endoscope 1F includes a configuration similar to the oral capsule portion 10 described above, the oral capsule portion and a towing protection tube 13 connected to 10, based on the operation unit in the end 122 of the pulling protecting tube 13 There are disposed to constitute an endoscope. そして、前記経口カプセル部10と前記牽引保護管13との間には前記湾曲部4が設けられている。 Then, the curved portion 4 is provided between the oral capsule portion 10 and the pulling protecting tube 13.
【0067】 [0067]
前記操作部122の外装部には前記湾曲部4を湾曲操作する操作ジョグ123や送気・送水プラグ124及び内視鏡画像を表示する液晶モニタ等の表示装置125、例えばスマートメディア(商標)等の記憶媒体126が配置される媒体配置部127、前記コンピュータ140と例えば赤外線通信によって接続するための接続部128が設けられている。 Display device 125 such as a liquid crystal monitor in the exterior portion for displaying an operation jog 123 and gas supply and water supply plug 124 and the endoscope image to bending operation of the bending portion 4 of the operating unit 122, for example, smart media (trademark) medium arrangement unit 127 storage medium 126 is disposed, the connecting portion 128 for connecting to the computer 140, for example by infrared communication is provided for. そして、前記操作部122内には上述したCCD用回路や光源用回路等が備えられている。 Then, CCD circuit and light source circuit and the like described above are provided in the operating portion 122.
【0068】 [0068]
また、前記送気送水装置付き収納ケース130は、送気・送水用ポンプ131及びカプセル内視鏡収納部132が備えられており、前記送気・送水用ポンプ131から延出する送気・送水用チューブ133を前記送気・送水プラグ124に接続することによって、例えば洗滌ノズル129から水や空気等の流体を噴出できるようになっている。 Also, the air and water supply device with storage case 130 is provided with a gas supply and water supply pump 131 and the capsule endoscope storage portion 132, gas supply and water supply extending from the gas supply and water supply pump 131 by connecting the use tubing 133 to the gas supply and water supply plug 124, for example washing consists nozzle 129 to be ejected fluid such as water or air.
【0069】 [0069]
前記携帯型コンピュータ140には通信装置141の接続が可能であり、この通信装置141によって例えば病院内のコンピュータ(不図示)にカプセル内視鏡1Fで得た診断データや観察画像データを伝送することが可能になっている。 Wherein the portable computer 140 is capable of connecting the communication device 141, transmitting the diagnostic data and observation image data obtained by the capsule endoscope 1F to a computer (not shown), for example within a hospital by the communication device 141 It has become possible.
【0070】 [0070]
つまり、本実施形態の内視鏡システムにおいては、経口カプセル部10の目的部位までの導入を内視鏡検査技師等の医療関係者によっても容易に行えるという利点とともに、担当医と医療関係者とが通信装置を介して検査データの受け渡しや意見の交換を行えるので、担当医は病院に居ながらにして所定の検査を行うことができる。 That is, in the endoscope system of this embodiment, the advantage that easily by medical personnel, such as endoscopic examination engineer the introduction of the target region of the oral capsule portion 10, and the attending physician and medical personnel There so via the communication device can perform exchange of delivery and opinions of the inspection data, the attending physician can perform while staying predetermined test the hospital.
【0071】 [0071]
また、内視鏡検査技師が何件かの家を訪問して、検査を行った後、病院内の担当医に記録媒体だけを渡すことによって、担当医は複数の患者の検査を集中して行えるので適切な診断を時間の無駄なく行うことができる。 In addition, endoscopy technician to visit the many reviews of the house, after the inspection, by passing only the recording medium to the attending physician in a hospital, the attending physician is to focus the examination of a plurality of patients it can be carried out without waste of the appropriate diagnostic time since performed.
【0072】 [0072]
なお、本発明は、以上述べた実施形態のみに限定されるものではなく、発明の要旨を逸脱しない範囲で種々変形実施可能である。 The present invention is not limited to the embodiment described above, and various modifications may be implemented without departing from the scope of the invention.
【0073】 [0073]
[付記] [Note]
以上詳述したような本発明の上記実施形態によれば、以下の如き構成を得ることができる。 According to the embodiment of the detail to the invention as above, it is possible to obtain the following such configuration.
【0074】 [0074]
(1)目視観察を行う観察機能手段を少なくとも1つ配設した小径粒状の経口カプセル部と、 (1) and the oral capsule of the at least one provided with small-diameter granulated observation function unit for performing visual observation,
この経口カプセル部の一端部から延出して、前記経口カプセル部を手元側へ引き寄せる牽引部材及び前記観察機能手段に接続される電気ケーブルを保護する保護部材を兼ね、前記経口カプセルの最大外径寸法より細径で柔軟な牽引保護管とを具備し、 Extending from one end of the oral capsule unit, also serves as a protective member for protecting an electrical cable connected to the pulling member and said observation function unit attracts the oral capsule portion to the proximal side, the maximum outer diameter of the oral capsule ; and a more flexible small diameter tow protective tube,
前記牽引保護管と前記経口カプセル部とを結ぶ連結部の外形形状は、この経口カプセル部から前記牽引保護管に向かって略連続的に小径に変化し、且つその変化する表面が滑らかである医療用カプセル内視鏡。 The external shape of the connecting portion connecting the traction protective tube and said oral capsule portion varies in diameter substantially continuously towards this oral capsule section to the traction protective tube, and its varying surface is smooth medical use capsule endoscope.
【0075】 [0075]
(2)前記経口カプセル部の外形寸法を、セデーションを施すことなく嚥下可能な大きさに設定した付記1記載の医療用カプセル内視鏡。 (2) the outside dimensions of the oral capsule portion, the medical capsule endoscope according to Note 1, wherein the set swallowable size without performing sedation.
【0076】 [0076]
(3)前記経口カプセル部、牽引保護管及び連結部分の外表面に潤滑性材料を設けた付記1記載の医療用カプセル内視鏡。 (3) the oral capsule unit, medical capsule endoscope according to Note 1, wherein providing the lubricating material to the outer surface of the traction protective tube and the connecting portion.
【0077】 [0077]
(4)前記観察機能手段は、観察部位を照明するLEDと、このLEDによって照らされた観察部位の光学像を電気信号に光電変換する撮像素子とを有する付記1記載の医療用カプセル内視鏡。 (4) the observation function unit includes a LED for illuminating the observation site, medical capsule endoscope according to Note 1, further comprising an imaging device for photoelectrically converting an optical image of the observed region illuminated by the LED into an electrical signal .
【0078】 [0078]
(5)前記観察機能手段を、前記牽引保護チューブが連結されている端部側又はその反対の端部側の少なくとも一方に設けた付記1記載の医療用カプセル内視鏡。 (5) the observation functional unit, the traction protective end-side tube is connected or medical capsule endoscope opposite Supplementary Note 1, wherein provided on at least one end portion side thereof.
【0079】 [0079]
(6)前記観察機能手段を、さらに、側周の観察を可能にする側周面部に設けた付記1記載の医療用カプセル内視鏡。 (6) the observation functional unit, further medical capsule endoscope according to Note 1, wherein provided on the side peripheral surface portion that allows the side periphery of the observation.
【0080】 [0080]
(7)前記経口カプセル部に、観察機能手段としてさらに超音波観察部を設けた付記4記載の医療用カプセル内視鏡。 (7) the oral capsule unit, medical capsule endoscope according to Note 4, further provided with ultrasonic observation unit as observation function unit.
【0081】 [0081]
(8)前記連結部の外径形状が円錐形状である付記1記載の医療用カプセル内視鏡。 (8) medical capsule endoscope peripheral shape is appended 1, wherein the conical shape of the connecting portion.
【0082】 [0082]
(9)前記連結部を2つの曲面で構成した付記1記載の医療用カプセル内視鏡。 (9) The medical capsule endoscopy of the connecting portion affixation 1 wherein the composed of two curved surfaces.
【0083】 [0083]
(10)前記連結部の外径形状は、関数的に変化する形状である付記1記載の医療用カプセル内視鏡。 (10) the connecting portion of the outer diameter shape is a function varying medical capsule endoscope according to Supplementary Note 1, wherein the shape.
【0084】 [0084]
(11)前記連結部の外径形状は、放物線形状である付記1記載の医療用カプセル内視鏡。 (11) the connecting portion of the outer diameter shape is medical capsule endoscope according to Supplementary Note 1, wherein the parabolic shape.
【0085】 [0085]
(12)前記牽引保護管と前記経口カプセル部との間に湾曲部を設けた付記1記載の医療用カプセル内視鏡。 (12) medical capsule endoscope according to Note 1, wherein having a curved portion between said traction protective tube and the oral capsule portion.
【0086】 [0086]
(13)前記牽引保護管に硬度可変機構を設けた付記1記載の医療用カプセル内視鏡。 (13) The medical capsule endoscope according to Note 1, wherein providing the hardness variation mechanism to the traction protective tube.
【0087】 [0087]
(14)前記硬度可変機構は、硬度変化部と硬度調整部とを有する硬度可変装置である付記13記載の医療用カプセル内視鏡。 (14) the hardness varying mechanism, the hardness variation section and the hardness adjuster and medical capsule endoscope according to Note 13, wherein the hardness varying device having a.
【0088】 [0088]
(15)前記硬度可変機構は、膨縮自在なバルーンである付記14記載の医療用カプセル内視鏡。 (15) the hardness varying mechanism, medical capsule endoscope according to Note 14, wherein the expanded and contracted freely balloon.
【0089】 [0089]
送水チューブ(16)前記牽引保護管に送水チューブを設け、カプセル本体の側周面及び牽引保護管の中途部側周面に、前記送水チューブによって送られる液体を吐出する複数の吐水孔を設けた付記1記載の医療用カプセル内視鏡。 Water supply tube (16) a water supply tube provided in the pulling protecting tube, a middle portion side circumferential surface of the side peripheral surface and traction protective tube of the capsule body, provided with a plurality of water discharge holes for discharging liquid delivered by said water supply tube medical capsule endoscope according to note 1, wherein.
【0090】 [0090]
(17)前記牽引保護管に処置具を挿通するチャンネルチューブを設けた付記1記載の医療用カプセル内視鏡。 (17) medical capsule endoscope of the channel tube for inserting the treatment tool in pulling protecting tube provided appended 1 wherein.
【0091】 [0091]
(18)前記経口カプセル部に処置具を一体的に配置した付記1記載の医療用カプセル内視鏡。 (18) medical capsule endoscope according to Note 1, wherein the integrally disposed a treatment instrument to the oral capsule portion.
【0092】 [0092]
【発明の効果】 【Effect of the invention】
以上説明したように本発明によれば、セデーションを施すことなく嚥下が容易で、胃内に到達した経口カプセル部を引き戻す操作を確実且つ容易に行え、在宅検査に使用可能な医療用カプセル内視鏡を提供することができる。 According to the present invention described above, easy to swallow without performing sedation, an operation to retract the oral capsule part that has reached the stomach reliably and easily performed, a medical capsule endoscope which can be used in home testing it is possible to provide a mirror.
【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS
【図1】図1ないし図7は本発明の第1実施形態に係り、図1は本発明の医療用カプセル内視鏡を示す図【図2】医療用カプセル内視鏡の経口カプセル部と牽引保護管との連結構造を説明する図【図3】経口カプセル部の構成を説明する図【図4】発光部の構成を説明する図【図5】発光部の他の構成を説明する図【図6】医療用カプセル内視鏡を備えた内視鏡システムを説明する図【図7】医療用カプセル内視鏡の作用を説明する図【図8】経口カプセル部の他の構成及び外形形状部の形状を具体的に説明する図【図9】本発明の第2実施形態に係る経口カプセル部の別の構成及び作用を説明する図【図10】経口カプセル部のまた他の構成及び作用を説明する図【図11】経口カプセル部のまた別の構成を説明する図【図12】医療用カ 1] Fig. 1 to 7 to the first embodiment of the present invention, FIG. 1 is a oral capsule of Figure 2 shows a medical capsule endoscope showing a medical capsule endoscope of the present invention diagram illustrating another configuration of Figure 5 shows the light emitting unit for explaining the arrangement of Figure 4 shows the light emitting unit for explaining the arrangement of Figure 3 shows oral capsule section illustrating the coupling structure between the traction protective tube [6] other configuration and geometry of Figure 8 oral capsule unit for explaining the operation of Figure 7 medical capsule endoscope illustrating an endoscope system provided with a medical capsule endoscope Figure 9 is a view [10] also other configurations and oral capsule part for explaining another configuration and operation of an oral capsule unit according to the second embodiment of the present invention illustrating the shape of the shaped portion specifically Figure 12 shows a medical mosquito illustrating yet another configuration of Figure 11 oral capsules unit for explaining the operation セル内視鏡の他の構成及び作用を説明する図【図13】本発明の第3実施形態に係る硬度可変機構を有するカプセル内視鏡の構成及び作用を説明する図【図14】硬度可変機構の他の構成及び作用を説明する図【図15】送水チューブを有するカプセル内視鏡の構成例及び作用を説明する図【図16】カプセル用カバーを説明する図【図17】処置具挿通用のチャンネルチューブを有するカプセル内視鏡の構成及び作用を説明する図【図18】処置具挿通用のチャンネルチューブを有するカプセル内視鏡の他の構成及び作用を説明する図【図19】処置具を有する経口カプセル部を示す図【図20】連結部品を使用して処置具を体腔内に導く状態を説明する図【図21】内視鏡システムの他の構成を示す図【符号の説明】 Figure 14 is a hardness variable describing the configuration and operation of the capsule endoscope having a hardness variable mechanism according to a third embodiment of Figure 13 the present invention illustrating another configuration and operation of the cell endoscope Figure Figure 15 is a diagram illustrating a FIG. 16 shows a cover for a capsule for explaining a configuration example and operation of the capsule endoscope having a water supply tube 17 is a treatment tool inserted for explaining another configuration and operation of the mechanism Figure Figure 18 is a diagram illustrating another configuration and operation of the capsule endoscope having a channel tube for treatment instrument insertion [19] treatment for explaining the structure and operation of the capsule endoscope having the-class channel tube description Figure [a code indicating the Figure [21] endoscope another configuration of a system illustrating a state that leads to FIGS 20A and 20B connecting piece treatment instrument using the indicated oral capsule portion having a tool into the body cavity ]
2…CCD 2 ... CCD
3…LED 3 ... LED
10…経口カプセル部13…牽引保護管30…観察部構成部材21…透明カバー部22…カプセル本体22b…外形形状変化部22a…連結固定部 10 ... oral capsule portion 13 ... pulling protecting tube 30 ... observation section constituting member 21 ... transparent cover 22 ... capsule body 22b ... outer shape changing unit 22a ... connecting the fixed portion

Claims (13)

  1. 検査部位の光学像を得る観察機能手段を少なくとも1つ配設した経口カプセル部と、 And oral capsules portion which at least one disposed observation function means for obtaining an optical image of the testing area,
    この経口カプセル部の一端部から延出して、前記経口カプセル部を手元側へ引き寄せる牽引部材及び前記観察機能手段に接続される電気ケーブルを保護する保護部材を兼ねる牽引保護管と、を具備し、 The oral out capsule portion extending from one end of, anda traction protective tube which also serves as a protective member for protecting an electrical cable connected to the pulling member and said observation function unit attracts the oral capsule portion to the proximal side,
    前記経口カプセル部及び前記牽引保護管の外表面に親水性ポリマーを設け、 A hydrophilic polymer provided in the oral capsule portion and an outer surface of the traction protective tube,
    さらに、前記牽引保護管に送水用のチューブを設け、カプセル本体の側周面あるいは牽引保護管の中途部側周面に、前記送水チューブによって送られる液体を吐出する複数の吐水孔を設け、 Additionally, the tube for water supply is provided to the traction protective tube, a middle portion side circumferential surface of the side peripheral surface or pulling protecting tube of the capsule body, a plurality of water discharge holes for discharging liquid delivered by said water supply tube,
    前記経口カプセル部の前記牽引保護管と連結する部分の外形寸法は、前記経口カプセル部から前記牽引保護管に向かって略連続的に小径に変化することを特徴とする医療用カプセル内視鏡。 The outer dimensions of the portion connecting the towing protection tube, medical capsule endoscope, characterized by varying the diameter substantially continuously towards the towing protection tube from the oral capsule of the oral capsule portion.
  2. 前記観察機能手段は、観察部位を照明するLEDと、このLEDによって照らされた観察部位の光学像を電気信号に光電変換する撮像素子とを有することを特徴とする請求項1に記載の医療用カプセル内視鏡。 The observation function unit includes a LED for illuminating the observation site, medical according to claim 1, characterized in that it comprises an imaging device for photoelectrically converting an electrical signal an optical image of the illuminated observation site by the LED the capsule endoscope.
  3. 前記観察機能手段を、前記牽引保護チューブが連結されている端部側又はその反対の端部側の少なくとも一方に設けたことを特徴とする請求項1 または請求項2に記載の医療用カプセル内視鏡。 Wherein the observation function unit, the traction protective tube in medical capsule according to claim 1 or claim 2, characterized in that provided on at least one end portion side or the opposite end side thereof is connected endoscope.
  4. 前記観察機能手段を、さらに、側周の光学像を得ることを可能にする側周面部に設けたことを特徴とする請求項1から請求項のいずれか1項に記載の医療用カプセル内視鏡。 Wherein the observation function unit, further, the medical capsule as claimed in any one of claims 3, characterized in that provided on the side peripheral surface portion which makes it possible to obtain an optical image of the side peripheral endoscope.
  5. 前記経口カプセル部の前記牽引保護管と連結する前記部分の外形形状が円錐形状であることを特徴とする請求項1から請求項のいずれか1項に記載の医療用カプセル内視鏡。 Medical capsule endoscope according to any one of claims 1 to 4, wherein the outer shape of the portion to be connected to the towing protection tube of the oral capsule portion has a conical shape.
  6. 前記経口カプセル部の前記牽引保護管と連結する前記部分の外形形状を異なる曲率を持つ2つの曲面で構成したことを特徴とする請求項1から請求項のいずれか1項に記載の医療用カプセル内視鏡。 Medical claim 1 according to any one of claims 4, characterized in that to constitute a contour of the part to be connected to the towing protection tube of the oral capsule section by two curved surfaces with different curvatures the capsule endoscope.
  7. 前記経口カプセル部の前記牽引保護管と連結する前記部分の外形形状は、関数的に変化する形状であることを特徴とする請求項1から請求項のいずれか1項に記載の医療用カプセル内視鏡。 The external shape of the portion to be connected to the towing protection tube oral capsule part is a function varying from claim 1, characterized in that a shape of any one of claims 4 medical capsule Endoscope.
  8. 前記経口カプセル部の前記牽引保護管と連結する前記部分の外形形状は、放物線形状であることを特徴とする請求項1から請求項のいずれか1項に記載の医療用カプセル内視鏡。 The external shape of the portion to be connected to the towing protection tube oral capsule part, medical capsule endoscope as claimed in any one of claims 4, characterized in that a parabolic shape.
  9. 前記牽引保護管の前記経口カプセル部の前記牽引保護管と連結する前記部分よりも基端部側に湾曲部を設けたことを特徴とする請求項1から請求項のいずれか1項に記載の医療用カプセル内視鏡。 According to any one of claims 1 to 8, characterized in that a curved portion on the base end side than the portion connecting the towing protection tube of the oral capsule of the traction protective tube medical capsule endoscope.
  10. 前記牽引保護管に、前記牽引保護管の硬度を可変にする硬度可変機構を設けたことを特徴とする請求項1から請求項のいずれか1項に記載の医療用カプセル内視鏡。 Wherein the traction protective tube, medical capsule endoscope according to any one of claims 1 to 9, characterized in that a hardness variable mechanism for the hardness of the traction protective tube variable.
  11. 前記硬度可変機構は、膨縮自在なバルーンからなることを特徴とする請求項10記載の医療用カプセル内視鏡。 The hardness variable mechanism, a medical capsule endoscope of claim 10, wherein the consisting deflating freely balloon.
  12. 前記牽引保護管に処置具を挿通するチャンネルチューブを設けたことを特徴とする請求項1から請求項11のいずれか1項に記載の医療用カプセル内視鏡。 Medical capsule endoscope according to any one of claims 1 to 11, characterized in that a channel tube for inserting the treatment instrument into the pulling protecting tube.
  13. 前記チャンネルチューブの内径寸法が変化することを特徴とする請求項12記載の医療用カプセル内視鏡。 Medical capsule endoscope according to claim 12, wherein the inner diameter of the channel tube is varied.
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US9235225B2 (en) 2012-11-06 2016-01-12 Qualcomm Incorporated Method and apparatus reduced switch-on rate low dropout regulator (LDO) bias and compensation
US8981745B2 (en) 2012-11-18 2015-03-17 Qualcomm Incorporated Method and apparatus for bypass mode low dropout (LDO) regulator

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