JPH08117184A - Endoscopic device - Google Patents
Endoscopic deviceInfo
- Publication number
- JPH08117184A JPH08117184A JP6265315A JP26531594A JPH08117184A JP H08117184 A JPH08117184 A JP H08117184A JP 6265315 A JP6265315 A JP 6265315A JP 26531594 A JP26531594 A JP 26531594A JP H08117184 A JPH08117184 A JP H08117184A
- Authority
- JP
- Japan
- Prior art keywords
- emitting light
- light source
- surface emitting
- objective lens
- holding member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、固体撮像素子等の撮像
手段によって撮像された患部像をテレビモニタに表示す
る内視鏡装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an endoscope apparatus for displaying a diseased part image picked up by an image pickup means such as a solid-state image pickup device on a television monitor.
【０００２】[0002]
【従来の技術】従来、病気の診断や治療を行なう上でフ
ァイバースコープ方式の内視鏡が広く用いられている
が、近年、ＣＣＤなどの固体撮像素子を用いた電子内視
鏡の開発が進められている。2. Description of the Related Art Conventionally, a fiberscope type endoscope has been widely used for diagnosing and treating diseases, but in recent years, development of an electronic endoscope using a solid-state image pickup device such as a CCD has been advanced. Has been.
【０００３】以下図面を参照しながら、従来の電子内視
鏡の一例について説明する。図４は従来の電子内視鏡
（特開平３−２９４８１４号公報）の構成を示すもので
ある。An example of a conventional electronic endoscope will be described below with reference to the drawings. FIG. 4 shows the configuration of a conventional electronic endoscope (Japanese Patent Laid-Open No. 3-294814).
【０００４】図４において、２１は、挿入部２２と太径
の操作部２３から成る内視鏡である。挿入部２２先端に
は、対物光学系２４、ＣＣＤ（固体撮像素子）２５、照
明光学系２６が配設され、内視鏡２１に内蔵されるライ
トガイド２７から照明光が照射される。In FIG. 4, reference numeral 21 is an endoscope including an insertion portion 22 and a large diameter operation portion 23. An objective optical system 24, a CCD (solid-state image pickup device) 25, and an illumination optical system 26 are provided at the tip of the insertion section 22, and illumination light is emitted from a light guide 27 incorporated in the endoscope 21.
【０００５】照明光は光源装置３１から、前記操作部２
３のコネクタ３０を介してライドガイド２７に供給され
る。Illumination light is emitted from the light source device 31 to the operation unit 2
It is supplied to the ride guide 27 via the connector 30 of No. 3.
【０００６】被写体は前記ＣＣＤ２５で撮像され、映像
信号がカメラコントロールユニット２８に送られテレビ
モニタ２９に映し出される構成となっている。The subject is imaged by the CCD 25, and a video signal is sent to the camera control unit 28 and displayed on the television monitor 29.
【０００７】[0007]
【発明が解決しようとする課題】現在、胆嚢摘出手術な
どで内視鏡が用いられているが、患者の肉体的負担を軽
減するために、体内に挿入する内視鏡の細径化が望まれ
ている。At present, endoscopes are used in cholecystectomy surgery and the like, but it is desired to reduce the diameter of the endoscope to be inserted into the body in order to reduce the physical burden on the patient. It is rare.
【０００８】しかしながら上記のような構成では、ＣＣ
Ｄと照明用ライトガイドが並設しているために挿入部の
径が太く、細径化が図りにくい。However, in the above configuration, CC
Since D and the light guide for illumination are juxtaposed, the diameter of the insertion portion is large and it is difficult to reduce the diameter.
【０００９】また光源装置とコネクタへの接続ケーブル
が別途必要であるうえに、ライトガイドが挿入部先端か
ら操作部のコネクタまで全範囲に亘って長尺に存在して
いるため製造が複雑で、さらにコネクタを要するため操
作部が大型化し、内視鏡の小型化が図りにくいという問
題点を有していた。Further, since a light source device and a connection cable to the connector are separately required, and the light guide is long over the entire range from the tip of the insertion portion to the connector of the operation portion, the manufacturing is complicated, Further, since a connector is required, the operating portion becomes large, and it is difficult to downsize the endoscope.
【００１０】また近年、たとえ消毒滅菌処理が施されて
いても他人の使用した手術器具を共用することに抵抗を
感じる患者も多く、体内挿入部分を使い捨てできるもの
が求められつつある。In recent years, many patients find it difficult to share a surgical instrument used by another person even if they have been subjected to disinfection and sterilization treatment, and there is a demand for a disposable body insertable portion.
【００１１】しかし、従来の内視鏡に使い捨てできる外
管を装着することはさらに太径化することになるという
問題点を有していた。However, mounting a disposable outer tube on a conventional endoscope has a problem that the diameter is further increased.
【００１２】本発明は上記問題点に鑑み、光ファイバー
から成るライトガイドを無くすことにより、細径で簡素
な構成とし、さらに種々の高機能化を実現できる内視鏡
装置を提供することを目的とする。In view of the above problems, it is an object of the present invention to provide an endoscope apparatus which has a small diameter and a simple structure by eliminating a light guide made of an optical fiber and which can realize various advanced functions. To do.
【００１３】[0013]
【課題を解決するための手段】上記問題点を解決するた
めに本発明の内視鏡装置は、対物レンズと、患部像を撮
像する固体撮像素子と、患部像を照明する照明手段を備
え、前記照明手段として前記対物レンズの周辺スペース
に電気的に発光する面発光光源を配設したものである。In order to solve the above problems, an endoscope apparatus of the present invention comprises an objective lens, a solid-state image pickup device for picking up an image of a diseased part, and an illumination means for illuminating the image of the diseased part. As the illuminating means, a surface emitting light source that electrically emits light is arranged in the peripheral space of the objective lens.
【００１４】また本発明は、前記対物レンズと前記固体
撮像素子と前記面発光光源とを保持する保持部材と、前
記保持部材と着脱自在として、先端を光透過可能に封止
した体内挿入管を設けたものである。Further, according to the present invention, a holding member for holding the objective lens, the solid-state image pickup device, and the surface emitting light source, and a body insertion tube which is detachably attached to the holding member and has a distal end sealed so as to allow light to pass therethrough. It is provided.
【００１５】また本発明は、前記面発光光源を複数個に
分割し、分割した各々の面発光光源を別々に発光させる
発光制御手段を設け、選択的に照明位置を可変させるも
のである。Further, according to the present invention, the surface emitting light source is divided into a plurality of parts, and light emitting control means for individually emitting light from each of the divided surface emitting light sources is provided to selectively change the illumination position.
【００１６】また本発明は、前記面発光光源を３つに分
割し、分割した各々の面発光光源には、赤、緑、青の照
明色を発する照明光着色手段を設けたものである。Further, according to the present invention, the surface emitting light source is divided into three, and each of the divided surface emitting light sources is provided with an illumination light coloring means for emitting illumination colors of red, green and blue.
【００１７】また本発明は、前記面発光光源を外周側面
に配設したものである。Further, according to the present invention, the surface emitting light source is arranged on the outer peripheral side surface.
【００１８】[0018]
【作用】本発明は上記手段によって、ライトガイドを無
くし、先端面や中継部のスペースの利用率を高めること
により、細径で且つ小型に構成できることとなる。併せ
て発光部の分割や、発光の電気的制御が行ない易くなる
ことを利用して発光位置の選択可変などの高機能化を図
る。With the above-mentioned means, the present invention eliminates the light guide and increases the utilization ratio of the space of the tip end surface and the relay portion, so that the diameter and the size can be reduced. At the same time, by utilizing the fact that the light emitting portion is divided and the electric control of the light emission is facilitated, it is possible to improve the functionality such as the variable selection of the light emitting position.
【００１９】[0019]
【実施例】以下本発明の一実施例の内視鏡装置につい
て、図面を参照しながら説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An endoscope apparatus according to an embodiment of the present invention will be described below with reference to the drawings.
【００２０】図１は本発明の実施例における内視鏡装置
の構造を示すものである。図１において、１は対物レン
ズであり、２は患部像を照射する面発光光源である。こ
の面発光光源２は、例えば近年開発されている有機発光
デバイスを採用したものである。FIG. 1 shows the structure of an endoscope apparatus according to an embodiment of the present invention. In FIG. 1, 1 is an objective lens, and 2 is a surface emitting light source for irradiating an affected area image. The surface-emitting light source 2 employs, for example, an organic light-emitting device developed in recent years.
【００２１】この有機発光デバイスは、有機発光体およ
び対向極性を有する電極の積層物から構成され、電圧を
かけると発光するという原理（特開昭５７−５１７８１
号公報）のものである。This organic light emitting device is composed of a laminate of an organic light emitting body and electrodes having opposite polarities, and emits light when a voltage is applied (JP-A-57-51781).
No. gazette).
【００２２】すなわち、従来のライトガイドは光ファイ
バーを用いて光源から光を伝搬させるものであるが、本
実施例は面自体が発光光源となるものである。That is, the conventional light guide uses an optical fiber to propagate light from a light source, but in this embodiment, the surface itself serves as a light emitting light source.
【００２３】３は患部像の撮像に用いる固体撮像素子で
あり、モニタテレビ（図示せず）に送信するための信号
処理回路等を含む電気経路のコード４が接続されてい
る。またこのコード４には、前記面発光光源２の電気経
路も接続されている。Reference numeral 3 is a solid-state image pickup device used for picking up an image of a diseased part, to which a cord 4 of an electric path including a signal processing circuit for transmitting to a monitor television (not shown) is connected. The cord 4 is also connected to the electrical path of the surface emitting light source 2.
【００２４】５は保持部材であり、先端に対物レンズ１
と、この対物レンズ１の周囲に前記面発光光源２が固定
されている。内部には前記固体撮像素子３が固定されて
おり、他端から被覆ケーブルに内蔵された前記コード４
が取り出されている。Reference numeral 5 is a holding member, and the objective lens 1 is provided at the tip.
The surface emitting light source 2 is fixed around the objective lens 1. The solid-state image sensor 3 is fixed inside, and the cord 4 is built into the covered cable from the other end.
Has been taken out.
【００２５】この保持部材５の外周にはネジ加工が施さ
れている。６は体内に挿入する金属あるいは樹脂等で作
製した体内挿入管であり、先端にカバーガラス等の光透
過部材７が固定されており、内部に前記保持部材５の外
周ネジが螺合するためのネジ加工が施されている。The outer periphery of the holding member 5 is threaded. Reference numeral 6 denotes an in-body insertion tube made of metal, resin, or the like to be inserted into the body, which has a light-transmitting member 7 such as a cover glass fixed to the distal end thereof, into which the outer peripheral screw of the holding member 5 is screwed. It is threaded.
【００２６】すなわち、この体内挿入管６を前記保持部
材５に嵌挿し、ネジ部で螺合固定することで着脱が簡単
に行なえる。本実施例では体内挿入管６と保持部材５の
固定方法はネジとしたが、簡単に着脱できればもちろん
他の固定手段でもかまわない。That is, the body insertion tube 6 is fitted into the holding member 5 and screwed and fixed by a screw portion, so that attachment / detachment can be easily performed. In the present embodiment, the method of fixing the body insertion tube 6 and the holding member 5 is a screw, but other fixing means may be used as long as they can be easily attached and detached.
【００２７】面発光光源２に用いる有機発光デバイスは
年々輝度が向上しており、現状では５〜１０ｖの電圧で
１０００〜５０００ｃｄ／ｍ2の輝度が得られており、
ある材料では５００００ｃｄ／ｍ2の輝度が得られてい
る。また前記固体撮像素子３は、年々小型化かつ高精度
化しており、低い照度での撮影においても感度良く受像
することが容易となってきた。The brightness of the organic light emitting device used for the surface emitting light source 2 is improving year by year, and at present, a brightness of 1000 to 5000 cd / m 2 is obtained at a voltage of 5 to 10 v.
A certain material has a luminance of 50,000 cd / m 2 . In addition, the solid-state image pickup device 3 has become smaller and more accurate year by year, and it has become easy to receive images with high sensitivity even when photographing with low illuminance.
【００２８】図２は、前記面発光光源２の形状の例を示
すものである。（イ）はドーナツ状、（ロ）は三日月形
２分割、（ハ）は３分割した面発光光源２であり、また
（ニ）は、例えば立体視用に２ケの対物レンズを用いた
場合の面発光光源２である。FIG. 2 shows an example of the shape of the surface emitting light source 2. (A) is a doughnut-shaped, (B) is a crescent-shaped two-division, (C) is a three-divided surface-emitting light source 2, and (D) is a case where, for example, two objective lenses are used for stereoscopic vision. Surface emitting light source 2.
【００２９】これらに示すように、面発光光源の形状は
空いたスペースや用途にあわせて作製でき、従来の構成
のようにライトガイドのために内視鏡の径が規制される
ということがない。As shown in these drawings, the shape of the surface emitting light source can be made in accordance with the vacant space and the use, and the diameter of the endoscope is not restricted by the light guide unlike the conventional structure. .
【００３０】また形状が任意に設定できることから、例
えば２分割の面発光光源であれば、電源スイッチング回
路を別々に設けることにより左右交互あるいは選択的に
照明光を当てることができ、陰影を利用した患部像の形
状確認などが行なえる。Further, since the shape can be set arbitrarily, for example, in the case of a two-divided surface emitting light source, the illumination light can be applied to the right and left alternately or selectively by providing the power supply switching circuits separately, and the shadow is used. The shape of the affected area image can be confirmed.
【００３１】また３分割であれば、それぞれを赤、緑、
青の透過型色フィルタで覆い、電源スイッチング回路で
順次発光を切り換えて照明し、白黒の固体撮像素子でそ
れぞれの色の画像を取り出し、メモリーに記憶し組み合
わせて画像をつくりだす面順次方式のカラーＣＣＤへの
応用も細径かつ小型化して展開できる。３分割の形状は
同心円の輪帯状としても良い。If it is divided into three, red, green,
An area sequential color CCD that covers with a blue transmission type color filter, sequentially switches the light emission by a power supply switching circuit to illuminate, picks up images of each color with a black and white solid-state image sensor, stores it in memory and combines it to create an image. It can also be applied to small diameter and small size. The shape of the three divisions may be concentric ring-shaped.
【００３２】（ホ）は保持部材の先端外周側面にも面発
光光源を配設したものであり、体内挿入管も先端部と先
端外周側面が光透過部材で構成される。面発光光源を先
端だけでなく先端外周側面にも設けることで、照明光の
範囲が前方向のみでなく広範囲となり、患部像の周囲の
状態が把握しやすく、かつ光量が増えることで体内に挿
入した内視鏡の先端が体外からでも目視で確認すること
ができ、患部の位置確認が容易となる。In (e), the surface emitting light source is arranged also on the outer peripheral surface of the distal end of the holding member, and the distal end portion and the outer peripheral surface of the distal end of the body insertion tube are composed of the light transmitting member. By providing the surface emitting light source not only on the tip but also on the outer peripheral side of the tip, the range of the illumination light is wide not only in the forward direction, but it is easy to grasp the surrounding condition of the affected area image and the amount of light increases so that it can be inserted into the body. The tip of the endoscope can be visually confirmed even from outside the body, and the position of the affected area can be easily confirmed.
【００３３】すなわち本実施例によれば、照明を面発光
光源２としたことで、従来の内視鏡に不可欠であったラ
イトガイドと、操作部を大型化する光伝搬用のコネクタ
が不要となり、ライトガイド等が不要になることで製造
が簡単となり且つ、内視鏡全体の細径化、小型化が図れ
るものである。併せて、種々の機能の付加を、細径化、
小型化を保って実現できるものである。That is, according to the present embodiment, since the surface emitting light source 2 is used as the illumination, the light guide, which is indispensable for the conventional endoscope, and the connector for light propagation for enlarging the operating portion are not required. By eliminating the need for a light guide or the like, manufacturing is simplified, and the entire endoscope can be made smaller in diameter and smaller in size. At the same time, various functions have been added to reduce the diameter,
It can be realized while keeping downsizing.
【００３４】また細径化、小型化が図れたことによっ
て、体内挿入管６を着脱自在な構成としても太径化せ
ず、従来の内視鏡より細径で且つ、使用後の体内挿入管
６のみの使い捨てが可能となるものである。Further, since the body insertion tube 6 is made smaller and smaller, the body insertion tube 6 does not have a large diameter even if it is detachable, and the body insertion tube 6 has a smaller diameter than the conventional endoscope and is used after use. Only 6 is disposable.
【００３５】また、本実施例では着脱自在の体内挿入管
を示したが、着脱構成とせず、例えば保持部材を、対物
レンズと固体撮像素子と面発光光源とを内蔵し先端に光
透過部材を固定させた形状とし、その保持部材をそのま
ま体内に挿入する体内挿入管とした構成にすれば、さら
に細径化が図れるものである。また、コード４を省略し
ワイヤレス化したさらにシンプルな形状の内視鏡への展
開も可能である。In the present embodiment, the detachable body insertion tube is shown. However, the detachable body insertion tube is not constructed. For example, a holding member, an objective lens, a solid-state image sensor, and a surface emitting light source are built in, and a light transmitting member is provided at the tip. The diameter can be further reduced if the holding member has a fixed shape, and the holding member is directly inserted into the body. Further, it is possible to develop the endoscope into a wirelessly simpler endoscope without the cord 4.
【００３６】図３は、本発明の他の実施例を示すもので
ある。８は側視用体内挿入管であり、先端に反射ミラー
９、先端側面にカバーガラス等の光透過部材１０が固定
され、内部にネジ部を有する。FIG. 3 shows another embodiment of the present invention. Reference numeral 8 denotes a body-insertable tube for side-view use, which has a reflecting mirror 9 fixed to the tip and a light-transmitting member 10 such as a cover glass fixed to the side surface of the tip, and has a screw portion inside.
【００３７】この側視用体内挿入管８に、前記対物レン
ズ１と前記面発光光源２と前記固体撮像素子３と前記コ
ード４を一体的に保持する前記保持部材５を収納し、前
記保持部材５外周のネジとこの側視用体内挿入管８内部
のネジとを螺合し固定すると、側視用の内視鏡となる。The holding member 5 that integrally holds the objective lens 1, the surface emitting light source 2, the solid-state image pickup device 3, and the cord 4 is housed in the side-view insertion tube 8 and the holding member is provided. When the screw on the outer circumference of 5 and the screw inside the body-insertion tube for side-view 8 are screwed together and fixed, the endoscope for side-view is obtained.
【００３８】以上のように本実施例によれば、側視ある
いは直視等手術部位に応じて内視鏡を購入しなくても、
体内挿入管の形状を多種類準備しておれば、腹腔鏡ある
いは歯科用等、手術部位に応じた使用が行なえる。また
滅菌消毒処理も容易となり、さらに体内挿入管を簡素な
構成として使い捨てをも可能とするものであり、この工
業的価値は高い。As described above, according to this embodiment, even if the endoscope is not purchased depending on the operation site such as the side view or the direct view,
If various types of insertion tubes are prepared, it can be used according to the surgical site such as laparoscopic or dental. In addition, sterilization and disinfection can be facilitated, and the insertion tube with a simple structure can be disposable and has a high industrial value.
【００３９】[0039]
【発明の効果】以上のように本発明によれば、ライトガ
イドをなくし面発光光源による照明としたことで、細径
で簡素な構成にすることができ、さらに種々の高機能化
を実現できる内視鏡が得られることになる。As described above, according to the present invention, since the light guide is eliminated and the illumination is performed by the surface emitting light source, it is possible to realize a small diameter and a simple structure and to realize various high functions. An endoscope will be obtained.
【図１】本発明の実施例における内視鏡装置の構成を示
す断面図FIG. 1 is a sectional view showing a configuration of an endoscope apparatus according to an embodiment of the present invention.
【図２】同実施例装置において採用可能な、先端部の構
成を示す図FIG. 2 is a diagram showing a configuration of a tip portion that can be adopted in the apparatus of the embodiment.
【図３】本発明の他の実施例における内視鏡装置の構成
を示す断面図FIG. 3 is a sectional view showing a configuration of an endoscope device according to another embodiment of the present invention.
【図４】従来の内視鏡装置の概略図FIG. 4 is a schematic view of a conventional endoscope device.
１ 対物レンズ ２ 面発光光源 ３ 固体撮像素子 ５ 保持部材 ６ 体内挿入管 ８ 側視用体内挿入管 DESCRIPTION OF SYMBOLS 1 Objective lens 2 Surface emitting light source 3 Solid-state imaging device 5 Holding member 6 Body insertion tube 8 Side view body insertion tube
Claims (4)
素子と、患部像を照明する照明手段を備え、前記照明手
段として前記対物レンズの周辺スペースに電気的に発光
する面発光光源を配設したことを特徴とする内視鏡装
置。1. An objective lens, a solid-state image pickup device for picking up an image of an affected area, and an illuminating means for illuminating the affected area image. As the illuminating means, a surface emitting light source for electrically emitting light is arranged in a peripheral space of the objective lens. An endoscopic device characterized by being installed.
保持部材により保持し、前記保持部材に着脱自在な、先
端を光透過可能に封止した体内挿入管を、前記保持部材
を内包するように設けたことを特徴とする請求項１記載
の内視鏡装置。2. An object insertion tube which holds an objective lens, a solid-state imaging device, and a surface emitting light source by a holding member, and which is detachably attached to the holding member and has a distal end sealed so as to allow light to pass through the holding member. The endoscope apparatus according to claim 1, wherein the endoscope apparatus is provided as described above.
々の面発光光源を別々に発光させる発光制御手段を設
け、選択的に照明位置を可変させることを特徴とする請
求項１記載の内視鏡装置。3. The surface emitting light source is divided into a plurality of pieces, and light emitting control means for individually emitting light from each of the divided surface emitting light sources is provided, and the illumination position is selectively changed. Endoscopic device.
の面発光光源には、赤、緑、青の照明色を発する照明光
着色手段を設けたことを特徴とする請求項３記載の内視
鏡装置。4. The surface emitting light source is divided into three, and each of the divided surface emitting light sources is provided with illumination light coloring means for emitting an illumination color of red, green and blue. The endoscopic device described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6265315A JPH08117184A (en) | 1994-10-28 | 1994-10-28 | Endoscopic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6265315A JPH08117184A (en) | 1994-10-28 | 1994-10-28 | Endoscopic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08117184A true JPH08117184A (en) | 1996-05-14 |
Family
ID=17415494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6265315A Pending JPH08117184A (en) | 1994-10-28 | 1994-10-28 | Endoscopic device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08117184A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002051971A (en) * | 2000-08-14 | 2002-02-19 | Asahi Optical Co Ltd | Endoscope |
| US6488619B1 (en) | 1998-09-08 | 2002-12-03 | Olympus Optical Co., Ltd. | Distal endoscope part having light emitting source such as light emitting diodes as illuminating means |
| US6533722B2 (en) * | 1999-12-03 | 2003-03-18 | Pentax Corporation | Electronic endoscope having reduced diameter |
| US6796939B1 (en) | 1999-08-26 | 2004-09-28 | Olympus Corporation | Electronic endoscope |
| WO2004082470A1 (en) * | 2003-03-17 | 2004-09-30 | Olympus Corporation | Capsule type endoscope |
| JP2005204944A (en) * | 2004-01-22 | 2005-08-04 | Chinontec Kk | Endoscope |
| JP2010029545A (en) * | 2008-07-30 | 2010-02-12 | Olympus Medical Systems Corp | Endoscope |
| JP2014510579A (en) * | 2011-02-23 | 2014-05-01 | インテュイティブ サージカル オペレーションズ， インコーポレイテッド | Maximize the illumination fiber in the endoscope |
| US10149602B2 (en) | 2011-07-11 | 2018-12-11 | Ambu A/S | Endobronchial tube with integrated image sensor and a cleaning nozzle arrangement |
| US10245402B2 (en) | 2011-07-11 | 2019-04-02 | Ambu A/S | Endobronchial tube with integrated image sensor |
| WO2019155704A1 (en) * | 2018-02-08 | 2019-08-15 | 株式会社フジクラ | Imaging module, endoscope, and catheter |
-
1994
- 1994-10-28 JP JP6265315A patent/JPH08117184A/en active Pending
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6488619B1 (en) | 1998-09-08 | 2002-12-03 | Olympus Optical Co., Ltd. | Distal endoscope part having light emitting source such as light emitting diodes as illuminating means |
| US6656112B2 (en) * | 1998-09-08 | 2003-12-02 | Olympus Optical Co., Ltd. | Distal endoscope part having light emitting source such as light emitting diodes as illuminating means |
| US6796939B1 (en) | 1999-08-26 | 2004-09-28 | Olympus Corporation | Electronic endoscope |
| US6533722B2 (en) * | 1999-12-03 | 2003-03-18 | Pentax Corporation | Electronic endoscope having reduced diameter |
| JP2002051971A (en) * | 2000-08-14 | 2002-02-19 | Asahi Optical Co Ltd | Endoscope |
| JP4598164B2 (en) * | 2000-08-14 | 2010-12-15 | Ｈｏｙａ株式会社 | Endoscope |
| WO2004082470A1 (en) * | 2003-03-17 | 2004-09-30 | Olympus Corporation | Capsule type endoscope |
| US7229407B2 (en) | 2003-03-17 | 2007-06-12 | Olympus Corporation | Capsule endoscope with electroluminescence light source |
| JP2005204944A (en) * | 2004-01-22 | 2005-08-04 | Chinontec Kk | Endoscope |
| JP2010029545A (en) * | 2008-07-30 | 2010-02-12 | Olympus Medical Systems Corp | Endoscope |
| JP2014510579A (en) * | 2011-02-23 | 2014-05-01 | インテュイティブ サージカル オペレーションズ， インコーポレイテッド | Maximize the illumination fiber in the endoscope |
| US10031330B2 (en) | 2011-02-23 | 2018-07-24 | Intuitive Surgical Operations, Inc. | Maximizing illumination fiber in an endoscope |
| US10935781B2 (en) | 2011-02-23 | 2021-03-02 | Intuitive Surgical Operations, Inc. | Maximizing illumination fiber in an endoscope |
| US10149602B2 (en) | 2011-07-11 | 2018-12-11 | Ambu A/S | Endobronchial tube with integrated image sensor and a cleaning nozzle arrangement |
| US10245402B2 (en) | 2011-07-11 | 2019-04-02 | Ambu A/S | Endobronchial tube with integrated image sensor |
| US10406309B2 (en) | 2011-07-11 | 2019-09-10 | Ambu A/S | Endobronchial tube with integrated image sensor and a cleaning nozzle arrangement |
| US10888679B2 (en) | 2011-07-11 | 2021-01-12 | Ambu A/S | Endobronchial tube with integrated image sensor |
| WO2019155704A1 (en) * | 2018-02-08 | 2019-08-15 | 株式会社フジクラ | Imaging module, endoscope, and catheter |
| JP2019136248A (en) * | 2018-02-08 | 2019-08-22 | 株式会社フジクラ | Imaging module, endoscope, and catheter |
| US11558534B2 (en) | 2018-02-08 | 2023-01-17 | Fujikura Ltd. | Imaging module, endoscope, and catheter |
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