JP2001137182A - Capsule endoscope for medical use - Google Patents

Capsule endoscope for medical use

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Publication number
JP2001137182A
JP2001137182A JP32022599A JP32022599A JP2001137182A JP 2001137182 A JP2001137182 A JP 2001137182A JP 32022599 A JP32022599 A JP 32022599A JP 32022599 A JP32022599 A JP 32022599A JP 2001137182 A JP2001137182 A JP 2001137182A
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Japan
Prior art keywords
portion
capsule
oral
traction
oral capsule
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JP32022599A
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Japanese (ja)
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JP4472069B2 (en
Inventor
Hideyuki Adachi
Yasuo Hirata
Hitoshi Mizuno
Hironobu Takizawa
英之 安達
康夫 平田
均 水野
寛伸 瀧澤
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Olympus Optical Co Ltd
オリンパス光学工業株式会社
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Priority to JP32022599A priority Critical patent/JP4472069B2/en
Publication of JP2001137182A publication Critical patent/JP2001137182A/en
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Publication of JP4472069B2 publication Critical patent/JP4472069B2/en
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Classifications

    • 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

Abstract

PROBLEM TO BE SOLVED: To provide an endoscope for home care by which deglutition is easy without sedation and operation to pull back oral capsule part reached to stomach is performed easily and without fail. SOLUTION: The outer shape of the base end of the capsule body 22 is formed as an outer shape variable part 22b which gradually changes its outer diameter continuously larger as it goes to the front end of the capsule 22 from the neighbor of the connection fixing part 22a to which a traction protective pipe 13 is connected. That is, the shape of the part between the oral capsule part 10 and the traction protective pipe 13 is constructed of at least a linear part and a variable part in which outer diameter gradually increases as it goes to the front end of the capsule 22 from the neighbor of the connection fixing part 22a free of catchy parts.

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【発明の属する技術分野】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 relates to the feed in vivo 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】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。 In recent years, by inserting a scope into the body cavity, esophagus, stomach, small intestine, by observing the digestive tract or lungs such as trachea, such as colon, inserted through the treatment instrument channel as needed treatment instrument endoscopes can various treatment processes using 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】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。 [0003] In making endoscopy, light source device and be carried out in the operating room where the camera control unit for processing an image signal is provided with a generally transmitted from the electronic endoscope for supplying illumination light It was specific.

【0004】また、内視鏡を経口的に挿入する際には、 Further, when inserting an endoscope orally,
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、 Generally allowed added mouthpiece to the subject, after being subjected to sedation like sedation for a patient pain relief,
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。 The insertion portion has been subjected to observation and treatment in until the target site in the body cavity.

【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, for the purpose of performing the diagnosis and treatment to reduce the pain to the patient, for example, was swallowed incorporating capsules measuring instruments or radio, the pH value in the body cavity in the process of passing through the stomach and intestines or transmitted to outside the body, the medical capsule device or the like for like directly Seyaku have been proposed in recent years.

【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。 [0006] Then, the ultrasonic vibrator in JP-A-2-224650 as one of the medical capsule device, the ultrasonic drive unit, and means for scanning an ultrasonic beam, an electric signal reflected ultrasonic signal ultrasonic diagnostic medical capsule is shown comprising a transmission means for converting to derive the extracorporeal.

【0007】 [0007]

【発明が解決しようとする課題】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。 [0007] However, the JP-A In the ultrasonic diagnostic medical capsule shown in 2-224650, JP ultrasonic transducers oral capsule portion formed into a spherical shape or the like being arranged If, because a step has been formed between the connection portion between the wire portions in which the transmission means is inserted, when pulling back the oral capsule part that has reached the stomach, the inspection time the oral capsule portion is caught in the cardia the or prolong, there is a possibility of generating a defect in the transmission means load is applied more than necessary to the wired portion to removing the oral capsule portion.

【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。 [0008] 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】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。 [0009] 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, available home testing It is the object to provide a medical capsule endoscope such.

【0010】 [0010]

【課題を解決するための手段】本発明の医療用カプセル内視鏡は、目視観察を行う観察機能手段を少なくとも1 Medical capsule endoscope of the present invention In order to achieve the above object, according to the observation functional unit that performs visual observation least 1
つ配設した小径粒状の経口カプセル部と、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、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、前記牽引保護管と前記経口カプセル部とを結ぶ連結部分の外形形状は、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に形成している。 One disposed to the oral capsule of small diameter particulate was, extending from one end of the oral capsule portion, the protection for protecting the electric cable connected to the pulling member and said observation function unit attracts the oral capsule portion to the proximal side also serves as a member, comprising a maximum outer diameter of a flexible traction protective tube than the diameter of the oral capsule, the outer shape of the connecting portion connecting the said traction protective tube and the oral capsule part from the oral capsule portion the traction varies in diameter substantially continuously towards the protective tube, and the surface of the change is smoothly formed.

【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, It is moved smoothly without being caught oral capsule portion cardia like.

【0012】 [0012]

【発明の実施の形態】以下、図面を参照して本発明の実施の形態を説明する。 BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, an embodiment of the present invention with reference to the drawings. 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 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
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。 FIG, 7 illustrating an endoscope system provided with a medical capsule endoscope is a view for explaining the operation of the medical capsule endoscope.

【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 [0013] a medical capsule endoscope of the present embodiment, as shown in FIG. 1 (hereinafter referred to as the capsule endoscope) 1 so-called electronic endoscope, constituting the observation optical system 11 as the observation functional means lighting white LED which constitutes a solid (hereinafter also referred CCD) image sensor 2 and the illumination optical system 12
(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、 (Hereinafter also LED described) (abbreviated as oral capsules portion) 3 oral capsule of the substantially ellipsoidal with a built-in 10,
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1 A tubular member in a pulling protecting tube 13 having excellent flexibility and tensile strength at a diameter smaller than the external dimensions which is connected to an oral capsule portion 10 is the oral capsule portion 10 is disposed in the proximal end of the traction protective tube 13 and a gripping portion 14, the grip portion 1
4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。 It is mainly configured on the proximal end portion extending from the fourth end portion at the electrical cable 15 having an electrical connector 15a.

【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。 [0014] 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, are fixedly connected watertightly to the base end side of the transparent cover 21 is composed of a capsule body 22 that the tip portion of the traction protective tube 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) It has become so.

【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。 The outer shape of the base end side of the capsule body 22 as shown in FIG. 3, external dimensions towards the front end side of the capsule body 22 from the connecting fixing portion 22a near the traction protective tube 13 is connected to a substantially continuously larger in diameter and has been formed as the outer shape changing portion 22b smoothly varying. 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 That is, the outer shape between the oral capsule portion 10 and pulling the protective tube 13, at least the linear portion connecting the fixed portion 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。 Dimensions are constituted by a continuous portion which changes diameter, and have become no catch portion shape toward the tip end side of the capsule body 22 from. 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】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 transparent cover portion 21 constituting the oral capsule portion 10 is dome-shaped, thick observation unit component 30 is a connecting portion between the large diameter opening of the opening the capsule body 22 diameter portion 31 is arranged also functions of the reinforcing member.

【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。 [0017] 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L Further, a plurality of such on the front side of the large-diameter portion 31 surrounds at regular intervals around the small diameter portion 32 L
ED3,…,3を配置している。 ED3, ..., are arranged 3.

【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1 [0018] The power line 17 extending from the signal line 16 and the LED3 extending from the CCD2, the capsule body 22, pulling protecting tube 13 and electrical cable 1
5内を挿通して電気コネクタ15aまで延出している。 And extends to the electrical connector 15a to 5 is inserted.
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】なお、図4に示すように前記LED3は、 [0019] Incidentally, the LED3 as shown in Figure 4,
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。 For example arranged on the bottom surface of the concave portion 42 formed in the case body 41 is configured as a light-emitting portion 40 filled with fluorescent material 43 so as to embed the LED3 in the recess 42, the thickness of the light-emitting portion 40 It is arranged in 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】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4 Further, instead of forming the light emitting portion 40 shown in FIG. 4, to form a case body 41a having a shape considering placement positional relationship as shown in FIG. 5 (a), of the case body 41 bottom plurality of the unit LED 3, ..., 3 are arranged, the light-emitting portion 4 is filled with a fluorescent material 43 in the same manner as described above in the recess 42a
0aを構成するようにしてもよい。 It is also possible to configure the 0a. 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4 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 space etc. 4
5を設けることも可能になる。 5 also becomes possible to provide.

【0021】さらに、前記図3に示した透明カバー部2 Furthermore, FIG. 3 shows a transparent cover 2
1、カプセル本体22で構成される経口カプセル部10 1, oral capsule portion 10 composed of a capsule body 22
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。 It is subjected to the surface and the hydrophilic polymer coating is a lubricious material on a surface of the traction protective tube 13. 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】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。 [0022] To explain 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】図6に示すように前記カプセル内視鏡1 [0023] The capsule endoscope 6 1
は、CCD2の駆動及び出力される信号の処理及びLE It is the signal to be driven and the output of the CCD2 processing and LE
D3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。 Combined with power portable electrical devices 50 such as electric apparatus for supplying to the D3 constituting the endoscope system. この携帯型電装装置50は、前記電気コネクタ16 The portable electric device 50, the electrical connector 16
a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。 With a connection portion 51 with a, an endoscope image captured by the CCD2 is configured to be displayed on the LCD monitor 52.

【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57 [0024] The portable electric device 50, TV cable connected to the shutter button 54, a video output terminal 55 or the like, the video output terminal 55 for other imaging recording operation panel 53 and an endoscopic image or by displaying an endoscopic image through 55a for example on the screen of the home TV56, video tape 57 through the home VTR57
aに検査経過の記録を行うことが可能になっている。 It becomes possible to perform the recording of inspection passed to a. 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 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 Then, the portable electric device 50 is a commercial power source or a domestic power supply, battery 59
などのバッテリー等によって駆動される。 It is driven by a battery or the like, such as.

【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。 [0025] 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】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T The liquid crystal monitor 52 or household T portable electrical device 50
V56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。 If the practitioner who is observing the endoscopic image displayed on the V56 screen is, oral capsule portion 10 as shown in FIG. 7 (a) was confirmed that it has reached to the stomach through the esophagus, arrows the operation of returning the hand side traction protective tube 13 as shown to do.

【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。 [0027] 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, and FIG. 7 (b) traction protective tube 13 as shown in, 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】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。 [0028] From this state, operated retraction 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】そして、検査終了後、携帯型電装装置50 [0029] Then, after the completion of the inspection, portable electrical devices 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。 Of removing the electrical connector 15a from the connecting part 51, 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】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。 [0030] Thus, there is no stepped portion between the oral capsule portion having an observation optical system and an illumination optical system as observed functional unit, the small-diameter tow protective tube with interpolation of the signal lines and power lines, smooth the by shape constituted the capsule endoscope by providing an outer shape change unit that changes, when the pull back is swallowed into the esophagus by operating pull back pulling protecting tube oral capsule portion has reached the stomach, the oral capsule portion There may be an inspection of the esophagus without while smoothly pulled back reposition the esophagus operation being caught in the cardia. 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、 By this thing, without performing the sedation to the subject,
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。 Facilitates 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】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 part, it is significantly improved lubricity between the lumen can. 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】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 [0032] Incidentally, when the present embodiment that constitutes the outer shape of the oral capsule portion 10, the capsule body 22
に外形形状変化部22bを形成したが、例えば図8 Was formed an outer shape change unit 22b in, for example, FIG. 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。 Forming a connecting member 9 which outer shape changing unit 22b and the outer shape of the capsule body 22 is substantially a connecting fixing portion 9a in the same shape as in diagram illustrating another configuration of an oral capsule portion (a), it may be configured for coupling the capsule body 22A and the towing protection tube 13 via the connecting member 9. 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4 At this time, the observation portion constituting member 30 having the large diameter portion 31 and small diameter portion 32 integrally formed with respect to the capsule body 22A, the CCD 2, the lens 34, the light-emitting portion 4
0を配置しておく。 Keep placing a 0.

【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 Further, 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 rather than, for example, FIG. 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 Or formed with linearly varying conical outer shape changing portion as a view showing an example of the outer shape of (b), FIG. 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。 May be formed by a combination of the two curved surfaces as shown in diagram illustrating another example of the outer shape of (c), a sigmoid function to like diagram showing another example of the outer shape portion shown in FIG. 8 (d) or formed with varying shapes may be formed in a shape that varies parabolic shape as shown in diagram showing still another example of the outer shape portion of FIG. 8 (e).

【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。 [0034] FIG. 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 It should be noted that, as shown in FIG. 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。 (A) is a diagram showing a structure of oral capsule portion, FIG. 9 (b) is a diagram for explaining the action.

【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。 The oral capsule portion 10A of the present embodiment, as shown in FIG. 9 (a), the observation optical system 11 and the illumination optical system 12 has been located at the distal end as shown in the first embodiment traction protective tube 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1 Incidentally, oral capsule unit 1 as described above
0A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。 When configuring the 0A, it 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 The other configurations first
実施形態と同様である。 Is the same as that of the embodiment.

【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。 [0036] 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, performs 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 at the time was. 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】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。 [0037] Incidentally, the addition observation optical system 11 and the illumination optical system 12 as shown in diagram illustrating another configuration of an oral capsule portion is provided on both the distal end and a proximal end oral capsule portion 10B shown in FIG. 10 (a) configuration to, 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】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 Further, a plurality of the observation optical system to the capsule body 22A constituting the side peripheral surface as shown in FIG oral capsule portion having a plurality of observation functional unit to the side of FIG. 11 (a) 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。 And it may be configured oral capsule portion 10C by the illumination optical system 12 provided corresponding to them observation optical system 11. 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、 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, provided with one of the observation optical system 11 and the illumination optical system 12,
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。 It may constitute 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10 This allows the oral capsule portion 10
E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。 Together performed by the endoscope image front and rear side observation E allows the side of the observation by ultrasonic imaging.

【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、 [0039] Further, the capsule endoscope 1A, as shown in FIG capsule endoscope having a bending portion of FIG. 12 (a),
前記カプセル本体22と前記牽引保護管13との間に、 Between the towing protection tube 13 and the capsule body 22,
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。 The curved portion 4 configured by consecutively provided a bending piece as in the conventional small-diameter endoscope provided, it 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】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。 [0040] Figure 13 is a diagram illustrating another configuration of the capsule endoscope according to a third embodiment of the present invention. なお、図1 It should be noted that, as shown in FIG. 1
3(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。 . 3 (a) is diagram illustrating a capsule endoscope having a hardness variable mechanism, and FIG. 13 (b) is a diagram illustrating the hardness varying mechanism, FIG. 13 (c) is a diagram for explaining the operation of this embodiment . 図13(a)に示すように本実施形態のカプセル内視鏡1 Figure 13 capsule endoscope 1 of the present embodiment, as shown in (a)
B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。 B 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1 The hardness changing device 6, the change in hardness portion 61 which is disposed in the through hole of the towing protective tube 13 as shown in FIG. (B), the grip portion 1
4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。 Is composed of 4, for example the hardness adjuster 65 which is disposed at the proximal end portion.

【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 [0041] 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 coil sheath 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。 Is inserted and arranged is constructed at one end portion in the wire 64 fixed to the tip forming member 62 within.

【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。 On the other hand, the hardness adjuster 65, thereby forming a male threaded portion on the base end outer periphery in a substantially pipe-shaped other end portion is fixed fixedly disposed integrally to the grip portion 14 of the coil sheath 63 a coil fixing member 66, the coil and the female screw portion retractably adjustment knob 67 has a screwed to the male screw portion of the fixing member 66, wherein the adjusting knob and the other end fixed retention of the wire 64 67 wire fixing member 68 disposed on the proximal end and is composed of.

【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1 [0043] Therefore, in a state where the oral capsule 10 reaches the stomach, by moving the wire fixing member 68 in the direction of the arrow by operating the adjustment knob 67, pulling protecting tube coil sheath 63 is contracted 13 for example by the hardness change, traction protective tube as shown in FIG. 13 (c) 1
3の硬度を硬状態にして幽門近傍の検査も行える。 3 hardness to hard condition 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】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。 It should be noted, is not limited to the hardness changing device 6 described above as hardness varying mechanism for varying the hardness of the traction protective tube 13, such as hardness shown in FIG. 14 (a) the through hole of the pulling protecting tube 13 as to FIG explaining another structure of the variable mechanism elongate it 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 The air supply tube 72 air into the balloon 7 to be connected to the air supply port 71 provided in the grip portion 14
を介して送気装置73によって行う。 Carried out by the gas supply apparatus 73 via the. このため、図14 For this reason, as shown in FIG. 14
(b)の作用を説明する図に示すように牽引保護管13 Traction, as shown in diagram for illustrating a function of (b) protection tube 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。 By appropriately adjusting the amount of air supplied to the balloon 7 which has been previously placed in a predetermined position of the inner, i.e., adjusting the hardness of the traction protective tube 13 to the desired state by changing the deflated state of the balloon 7 to perform the insertion and inspection.

【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 Further, the rigidity changing apparatus as being inserted and arranged in the through hole of the towing protective tube 13 as described above 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。 Of the present invention is not limited to the change in hardness portion 61 and the balloon 7 and the like, for example may be provided the water supply tube into the through hole.

【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, [0046] Then, the side peripheral surface and traction protective tube of the capsule body 22 as the water supply tube when provided in the through hole showing a configuration of a capsule endoscope having the performance and 15 of (a) FIG. a plurality of water discharge holes 75 on the intermediate portion side circumferential surface 13,
…,75を形成してカプセル内視鏡1Cを構成する。 ..., constituting the capsule endoscope 1C to form a 75. 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】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。 [0047] 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, this oral capsule portion 81 pulling protecting tube 82 attaching the encapsulating cover 85 for covering and.

【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 The cover the capsule 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 part 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8 Outer shape changing portion 8 which outer dimensions varies substantially continuously and smoothly as described above between the insertion portion covering portion 87 and the
8を設けている。 It is provided 8.

【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。 [0049] 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, the improvement of swallowability the achieved. 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8 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 insertion portion cover portion 8
7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。 It may be configured to provide a rigidity changing device 6 and the water supply tube described above to 7.

【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。 [0050] 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】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, described later in this treatment instrument opening 91 treatment one end portion of the channel tube for sushi inserted 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】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。 [0052] The traction protective tube 92 as shown in FIG. 17 (b) is constructed by arranging the stretchable member 93 to a portion, in the through hole crush together with the signal lines 16 and the power line 17 channel tube 94 in a state that closes the opening portion is disposed.

【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。 [0053] Therefore, a state where an 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) the channel tube 94 collapsed state pressed spread treatment instrument as shown in FIG. 17 (c) is progresses. 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】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。 [0054] Thus, by introducing the oral capsule unit was allowed to reach the stomach, the target region of the treatment instrument through the channel tube in a state of collapsed provided to the traction protective tube, if only observed it is also possible to carry out the treatment if necessary not. 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】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。 [0055] 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 traction protective tube obtain the same actions and effects can also be configured as follows.

【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。 [0056] Figure 18 As shown in diagram explaining the operation of Figure and Figure 18 illustrating another configuration of the capsule endoscope (a) (b), the traction protective tube 92A in the present embodiment the body cavity diameter at a temperature is a 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92 Incidentally, traction protective tube by pouring water into the channel tube when removing the capsule endoscope 92
Aの径寸法を縮小する。 To reduce the diameter of the A.

【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92 [0057] Further, FIGS. And 18 as shown in diagram illustrating the effect of (d), towing the protective tube 92 in this embodiment will be described another configuration of the capsule endoscope of FIG. 18 (c)
B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。 Body fluids B, current sensing, 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】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d [0058] Further, the inner diameter of the figures and FIG. 18 illustrating the channel portion of the inner diameter d1 of FIG. 18 (e) (f) d
2 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。 It is provided with a channel portion 95 which forms a balloon inside the traction protective tube 92 in a spiral shape in the present embodiment, as shown in diagram illustrating the channel portion of 2. 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】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10 [0059] Furthermore, oral capsule portion 10 as shown in diagram illustrating the oral capsule portion having a treatment instrument shown in FIG. 19 (a)
0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 0 in advance treatment instrument 101 and treatment tool arranged recesses 103 provided capsule endoscope 1E placing a suction tube 102 and the like
を構成するようにしてもよい。 It is also possible to configure the. 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】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の外径形状はすべて滑らかな曲面になっている。 [0060] Then, the treatment instrument 101, when swallowing oral capsule portion 100, mouth and throat, to prevent damaging the esophagus, etc., during the swallowing of swallowing state shown in FIG. 19 (b) treatment instrument 101 as shown in diagram illustrating the oral capsule portion is closed in all this time the outer diameter shape of the treatment tool 101 is in a smooth curved surface.

【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2 [0061] When the oral capsule portion 10 finds a region to be a state, for example, treatment that has reached the stomach, 2
0(a)の処置具挿通状態を示す図ないし図20(d) 0 Figure to Figure 20 showing the treatment instrument insertion state of (a) (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。 Arranged sequentially treatment instrument 120 and pulling protecting tube 13 a connecting piece 110 illustrated in, and the treatment instrument 120 as shown in diagram illustrating a treatment instrument insertion state of FIG. 20 (e) to be introduced into the target site it may be.

【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径形状はすべて滑らかな曲面で形成されている。 [0062] The connecting part 110 as shown in the perspective view of the coupling component of FIG. 20 (b), the mouth and throat, the outer diameter shape to prevent damaging the esophagus or the like are all formed in a smooth curved surface ing. 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11 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 13, the treatment instrument engagement in hole 11
1及び案内孔112にそれぞれ形成されている接続溝1 1 and the connection are formed in the guide hole 112 groove 1
14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。 A working hole 113 is provided for generating an opening and closing operation and a predetermined fixing force 14. したがって、図20 Thus, FIG. 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。 The connection groove 114 by the both side portions of the working hole 113, as shown in diagram for illustrating a function of connecting piece and (d) pressing in the direction of the arrow with the finger is open. 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】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1 [0063] That is, when the surgeon the region to be treated is found, first, the insertion portion 1 of a treatment instrument 120 of connecting piece 110
21及び牽引保護管13へ取り付ける。 21 and attached to the towing protection tube 13. 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1 Then, the guide hole 1
12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。 Since 12 is in a state of being loosely fitted to the traction protective tube 13, by moving the body cavity connecting piece 110 along the towing protection tube 13, the treatment instrument 120 moves gradually toward the body cavity. 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】ところで、上述した実施形態においては、 [0064] Incidentally, in the above-described embodiment,
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。 An endoscope system, but is configured in the capsule endoscope 1 and the portable electric device 50, so as to constitute an endoscope system as shown in diagram illustrating another configuration of the endoscope system of FIG. 21 it may be.

【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。 [0065] 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, a portable recording and processing the test data and the image data and a computer 140. 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】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1 [0066] The capsule endoscope 1F is an oral capsule portion 10 similar to the arrangement described above, the oral capsule section 1
0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。 And a traction protective tube 13 which is connected to 0, the proximal end of the traction protective tube 13 is disposed the operation unit 122 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】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等の記憶媒体126 [0067] The 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, etc. storage medium 126
が配置される媒体配置部127、前記コンピュータ14 Medium arrangement unit 127 but disposed, the computer 14
0と例えば赤外線通信によって接続するための接続部1 0, for example, connecting part 1 for connecting the infrared communication
28が設けられている。 28 is provided. 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】また、前記送気送水装置付き収納ケース1 [0068] In addition, with the air and water supply device accommodating case 1
30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。 30 is provided with a gas supply and water supply pump 131 and the capsule endoscope storage portion 132, the gas supply and water supply plug gas supply and water supply tube 133 extending from the gas supply and water supply pump 131 by connecting to 124, for example, washing is made from the nozzle 129 to be ejected fluid such as water or air.

【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。 [0069] The in portable computer 140 is capable of connecting the communication device 141, 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 to transmit.

【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。 [0070] 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, the attending physician and medical because through the party 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】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。 [0071] 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 of the hospital, the doctor in charge inspection of a plurality of patients since it carried out focused and can be performed without waste of the appropriate diagnostic time.

【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。 [0072] 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】[付記]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。 [0073] According to the embodiment of the present invention as [Appendix] above in detail, it is possible to obtain the following-described configuration.

【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、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、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。 [0074] (1) and the oral capsule of small diameter particulate observation functional unit that performs visual observation that at least one disposed, extending from one end of the oral capsule portion, pulling pulling the oral capsule portion to the proximal side also it serves as a protective member for protecting an electrical cable connected to the member and the observation function unit, includes a maximum outer diameter of a flexible traction protective tube than the diameter of the oral capsule, the oral capsule and the towing protection tube outer shape of the connecting portion connecting the parts are, substantially continuously varied in diameter, and medical capsule endoscope surface is smooth to the change toward this oral capsule section to the traction protective tube.

【0075】(2)前記経口カプセル部の外形寸法を、 [0075] (2) Dimensions of the oral capsule portion,
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。 Medical capsule endoscope according to Note 1, wherein the set swallowable size without performing sedation.

【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。 [0076] (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】(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。 [0077] (4) The observation function unit, LED and, medical capsule according to Supplementary 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 to illuminate the observation portion Endoscope.

【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。 [0078] (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】(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。 [0079] (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】(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。 [0080] (7) the oral capsule unit, medical capsule endoscope according to Note 4, further provided with ultrasonic observation unit as observation function unit.

【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。 [0081] (8) medical capsule endoscope peripheral shape is appended 1, wherein the conical shape of the connecting portion.

【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。 [0082] (9) The medical capsule endoscopy of the connecting portion affixation 1 wherein the composed of two curved surfaces.

【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。 [0083] (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】(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。 [0084] (11) the connecting portion of the outer diameter shape is medical capsule endoscope according to Supplementary Note 1, wherein the parabolic shape.

【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。 [0085] (12) medical capsule endoscope according to Note 1, wherein having a curved portion between said traction protective tube and the oral capsule portion.

【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。 [0086] (13) The medical capsule endoscope according to Note 1, wherein providing the hardness variation mechanism to the traction protective tube.

【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14記載の医療用カプセル内視鏡。 [0087] (14) the hardness varying mechanism, the hardness variation section and the hardness adjuster and medical capsule endoscope according to Note 14, wherein the hardness varying device having a.

【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。 [0088] (15) the hardness varying mechanism, medical capsule endoscope according to Note 14, wherein the expanded and contracted freely balloon.

【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。 [0089] The water supply tube (16) water supply tube in the pulling protecting tube is provided, on the middle portion side circumferential surface of the side peripheral surface and traction protective tube of the capsule main body, a plurality of water discharge holes for discharging liquid delivered by said water supply tube medical capsule endoscope affixation 1 wherein provided.

【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。 [0090] (17) medical capsule endoscope of the channel tube for inserting the treatment tool in pulling protecting tube provided appended 1 wherein.

【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。 [0091] (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】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 as described above, according to the present invention, is easy to swallow without performing sedation, reliably and easily performed an operation of pulling back the oral capsule part that has reached into the stomach, which can be used in home testing it is possible to provide a medical capsule endoscope.

【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 1] Fig. 1 to 7 to the first embodiment of the present invention, Figure 1 shows a medical capsule endoscope of the present invention FIG.

【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 Diagram illustrating the connection structure of FIG. 2 Oral Capsule portion of the medical capsule endoscope and the traction protective tube

【図3】経口カプセル部の構成を説明する図 Figure 3 illustrates a structure of the oral capsule portion

【図4】発光部の構成を説明する図 Figure 4 illustrates a configuration of a light emitting portion

【図5】発光部の他の構成を説明する図 5 is a diagram illustrating another configuration of the light emitting portion

【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 6 is a diagram illustrating an endoscope system provided with a medical capsule endoscope

【図7】医療用カプセル内視鏡の作用を説明する図 7 is a diagram illustrating the operation of the medical capsule endoscope

【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 8 is a diagram for specifically explaining another configuration and contour of the shape of the oral capsule portion

【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 View for explaining another configuration and operation of an oral capsule unit according to the second embodiment of the present invention; FIG

【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 [10] Furthermore diagram illustrating another configuration and operation of an oral capsule portion

【図11】経口カプセル部のまた別の構成を説明する図 [11] Further view for explaining another configuration of an oral capsule portion

【図12】医療用カプセル内視鏡の他の構成及び作用を説明する図 12 is a diagram illustrating another configuration and operation of the medical capsule endoscope

【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 FIG. 13 illustrates the configuration and operation of the capsule endoscope having a hardness variable mechanism according to a third embodiment of the present invention

【図14】硬度可変機構の他の構成及び作用を説明する図 FIG. 14 illustrates another configuration and operation of the rigidity varying mechanism

【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 Figure 15 illustrates a structure example and operation of the capsule endoscope having a water supply tube

【図16】カプセル用カバーを説明する図 Figure 16 illustrates a capsule cover

【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 Figure 17 is a diagram for explaining the structure and operation of the capsule endoscope having a channel tube for treatment instrument insertion

【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 Figure 18 is a diagram illustrating another configuration and operation of the capsule endoscope having a channel tube for treatment instrument insertion

【図19】処置具を有する経口カプセル部を示す図 FIG. 19 shows an oral capsule portion having a treatment instrument

【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 Figure 20 is a diagram of using a connecting piece treatment instrument illustrating a state that leads into the body cavity

【図21】内視鏡システムの他の構成を示す図 Diagram showing another configuration of FIG. 21 in the endoscope system

【符号の説明】 2…CCD 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 [Description of Reference Numerals] 2 ... CCD 3 ... LED 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

───────────────────────────────────────────────────── フロントページの続き (72)発明者 瀧澤 寛伸 東京都渋谷区幡ヶ谷2丁目43番2号 オリ ンパス光学工業株式会社内 (72)発明者 平田 康夫 東京都渋谷区幡ヶ谷2丁目43番2号 オリ ンパス光学工業株式会社内 Fターム(参考) 4C061 AA01 BB01 CC06 DD03 FF35 HH60 JJ01 JJ11 LL02 MM00 ────────────────────────────────────────────────── ─── of the front page continued (72) inventor Takizawa HiroshiShin Tokyo, Shibuya-ku, Hatagaya 2-chome No. 43 No. 2 Olympus optical industry Co., Ltd. in the (72) inventor Yasuo Hirata Shibuya-ku, Tokyo Hatagaya 2-chome # 43 No. 2 Olympus optical industry Co., Ltd. in the F-term (reference) 4C061 AA01 BB01 CC06 DD03 FF35 HH60 JJ01 JJ11 LL02 MM00

Claims (1)

    【特許請求の範囲】 [The claims]
  1. 【請求項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、 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、 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ことを特徴とする医療用カプセル内視鏡。 And 1. A small diameter particulate oral capsule observation functional unit that has at least one arranged to perform visual observation portion, extending from one end of the oral capsule portion, the pulling member to pull the oral capsule portion to the proximal side and said observation function unit also serves as a protective member for protecting the connected thereto electrical cable in the oral capsules maximum outer diameter; and a flexible traction protective tube diameter than the said traction protective tube and the oral capsule part outer shape of the connecting portion connecting the door is substantially continuously varied in diameter, and medical capsule endoscope, wherein the surface of the change is smooth towards this oral capsule section to the traction protective tube mirror.
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