JP2003325527A - Distal end part of ultrasonic endoscope - Google Patents
Distal end part of ultrasonic endoscopeInfo
- Publication number
- JP2003325527A JP2003325527A JP2002138073A JP2002138073A JP2003325527A JP 2003325527 A JP2003325527 A JP 2003325527A JP 2002138073 A JP2002138073 A JP 2002138073A JP 2002138073 A JP2002138073 A JP 2002138073A JP 2003325527 A JP2003325527 A JP 2003325527A
- Authority
- JP
- Japan
- Prior art keywords
- distal end
- flexible
- ultrasonic endoscope
- ultrasonic
- end portion
- 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.)
- Granted
Links
Landscapes
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Endoscopes (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、超音波プローブ
と光学観察用の対物光学系とが挿入部の先端に併設され
た超音波内視鏡の先端部に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a distal end portion of an ultrasonic endoscope in which an ultrasonic probe and an objective optical system for optical observation are provided side by side at the distal end of an insertion portion.
【０００２】[0002]
【従来の技術】超音波内視鏡は、一般の内視鏡と同様に
挿入及び誘導を容易に行えるように、操作部からの遠隔
操作によって屈曲する湾曲部が挿入部可撓管の先端に連
結されている。2. Description of the Related Art An ultrasonic endoscope has a bending portion at the distal end of a flexible tube for insertion, which is bent by remote control from an operating portion so that insertion and guidance can be performed easily like a general endoscope. It is connected.
【０００３】また、超音波内視鏡においては、超音波プ
ローブに入出力される信号を伝送するための信号伝送部
材を挿入部内に挿通配置する必要があり、そのような信
号電送部材として、少なくとも湾曲部内ではいわゆるフ
レキシブル基板を用いるのがよい。Further, in the ultrasonic endoscope, it is necessary to insert and arrange a signal transmission member for transmitting a signal input to or output from the ultrasonic probe, and at least such a signal transmission member is required. A so-called flexible substrate is preferably used in the curved portion.
【０００４】図５は、そのような従来の超音波内視鏡の
先端部の挿入部の先端部分を示しており、超音波プロー
ブ１０１に入出力される信号を伝送するために湾曲部１
０２内に挿通配置されたフレキシブル基板１０３に対し
て、湾曲部１０２の先端に連結されている先端部本体１
０４の後端に隣接する部分まで、電気絶縁性の可撓性チ
ューブ１０５が被覆されている。FIG. 5 shows the distal end portion of the insertion portion of the distal end portion of such a conventional ultrasonic endoscope, and the bending portion 1 is used to transmit a signal input to or output from the ultrasonic probe 101.
The distal end portion main body 1 connected to the distal end of the bending portion 102 with respect to the flexible substrate 103 inserted and arranged inside
An electrically insulating flexible tube 105 is covered up to the portion adjacent to the rear end of 04.
【０００５】[0005]
【発明が解決しようとする課題】上述のような構造の従
来の超音波内視鏡の先端部においては、湾曲部１０２の
屈曲動作によりフレキシブル基板１０３に繰り返して曲
げ応力が作用すると、図６に示されるように、先端部本
体１０４の後端位置Ａにおいてフレキシブル基板１０３
に集中応力が作用して、フレキシブル基板１０３上の配
線がその位置Ａで断線してしまう場合があった。In the distal end portion of the conventional ultrasonic endoscope having the above-described structure, when bending stress is repeatedly applied to the flexible substrate 103 due to the bending operation of the bending portion 102, FIG. As shown, at the rear end position A of the front end body 104, the flexible substrate 103
In some cases, the concentrated stress acts on the wiring and the wiring on the flexible substrate 103 is broken at the position A.
【０００６】そこで本発明は、湾曲部の屈曲動作によっ
てフレキシブル基板上の配線切れが発生しない耐久性の
優れた超音波内視鏡の先端部を提供することを目的とす
る。SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a tip portion of an ultrasonic endoscope having excellent durability, in which the wiring on the flexible substrate is not broken by the bending operation of the bending portion.
【０００７】[0007]
【課題を解決するための手段】上記の目的を達成するた
め、本発明の超音波内視鏡の先端部は、超音波信号を発
受信するための超音波プローブと光学観察を行うための
対物光学系とが配置された先端部本体が、遠隔操作によ
って屈曲する湾曲部の先側に連結され、超音波プローブ
に入出力される信号を伝送するためのフレキシブル基板
が湾曲部内に引き通されて、フレキシブル基板に対して
先端部本体の後端に隣接する部分まで電気絶縁性の可撓
性チューブが被覆された超音波内視鏡の先端部におい
て、フレキシブル基板を被覆する可撓性チューブの端部
付近を湾曲部の径方向に挟み込む一対の塀状補強部材を
先端部本体の後端位置に設けたものである。In order to achieve the above-mentioned object, the distal end portion of the ultrasonic endoscope of the present invention comprises an ultrasonic probe for emitting and receiving ultrasonic signals and an objective for optical observation. The distal end body in which the optical system is arranged is connected to the front side of the bending portion that is bent by remote control, and the flexible substrate for transmitting the signal input / output to / from the ultrasonic probe is pulled through the bending portion. , The end of the flexible tube covering the flexible substrate at the end of the ultrasonic endoscope in which the electrically insulating flexible tube is covered up to the portion adjacent to the rear end of the body of the flexible substrate. A pair of fence-shaped reinforcing members that sandwich the vicinity of the portion in the radial direction of the curved portion are provided at the rear end position of the tip end main body.
【０００８】なお、一対の塀状補強部材間の空間に弾力
性のある充填剤が充填されているとよく、その充填剤が
シリコン樹脂であってもよい。また、フレキシブル基板
が湾曲部の軸線周りの同一円周上に複数配置されてい
て、一対の塀状補強部材が、複数のフレキシブル基板の
各々に被覆された可撓性チューブの端部付近を挟み込む
ように先端部本体の後端部の軸線周りの同心円上に配置
されていてもよい。The space between the pair of fence-shaped reinforcing members may be filled with an elastic filler, and the filler may be silicon resin. Further, a plurality of flexible substrates are arranged on the same circumference around the axis of the curved portion, and a pair of fence-shaped reinforcing members sandwich the flexible tube covered by each of the plurality of flexible substrates near the end thereof. As described above, they may be arranged on concentric circles around the axis of the rear end of the front end body.
【０００９】[0009]
【発明の実施の形態】図面を参照して本発明の実施例を
説明する。図４は超音波内視鏡を示しており、体腔内に
挿入される可撓管部１の先端に遠隔操作によって屈曲す
る湾曲部２が連結されて、その湾曲部２の先端に連結さ
れた先端部本体３に超音波プローブ４が取り付けられて
いる。Embodiments of the present invention will be described with reference to the drawings. FIG. 4 shows an ultrasonic endoscope in which a bending portion 2 that is bent by remote control is connected to the tip of a flexible tube portion 1 inserted into a body cavity, and the bending portion 2 is connected to the tip of the bending portion 2. An ultrasonic probe 4 is attached to the tip body 3.
【００１０】先端部本体３には、その他にも、光学観察
のための対物光学系及び光学観察像を撮像するための固
体撮像素子や、光学観察範囲を照明するためのライトガ
イドファイババンドルの射出端等が内蔵されている。In addition to the tip end main body 3, an objective optical system for optical observation, a solid-state image pickup device for picking up an optical observation image, and a light guide fiber bundle for illuminating an optical observation range are emitted. Edges etc. are built in.
【００１１】可撓管部１の基端に連結された操作部５に
は、湾曲部２を屈曲操作するための湾曲操作ノブ６等が
配置されている。湾曲部２は、上下左右四方向に屈曲自
在であり、図４には、上方向に途中まで屈曲した状態が
二点鎖線で図示されている。A bending operation knob 6 for bending the bending portion 2 is arranged on the operation portion 5 connected to the base end of the flexible tube portion 1. The bending portion 2 is bendable in the four directions of up, down, left and right, and in FIG. 4, a state in which the bending portion 2 is bent halfway upward is illustrated by a chain double-dashed line.
【００１２】可撓管部１内と湾曲部２内の全長にわたっ
て、処置具を挿通するための処置具挿通チャンネル１０
が挿通配置されており、処置具挿通チャンネル１０への
処置具類の挿入口７が、操作部５の下端部に斜め上方に
向けて突出配置されている。A treatment instrument insertion channel 10 for inserting a treatment instrument over the entire length of the flexible tube portion 1 and the bending portion 2.
Is inserted and disposed, and the insertion opening 7 for the treatment instrument into the treatment instrument insertion channel 10 is disposed at the lower end of the operation portion 5 so as to project obliquely upward.
【００１３】操作部５に連結された第１の連結可撓管８
の先端には、図示されていないビデオプロセッサに接続
されるビデオ信号コネクタ部８１とライトガイドコネク
タ部８２とが並んで設けられ、第２の連結可撓管９の先
端には、図示されていない超音波信号処理装置に接続さ
れる超音波信号コネクタ部９１が設けられている。A first connecting flexible tube 8 connected to the operating portion 5.
A video signal connector portion 81 and a light guide connector portion 82, which are connected to a video processor (not shown), are provided side by side at the tip of the, and the tip of the second connecting flexible tube 9 is not shown. An ultrasonic signal connector unit 91 connected to the ultrasonic signal processing device is provided.
【００１４】図１は挿入部の先端部分を示し、図２はそ
のII−II断面図であり、湾曲部２を構成する断面形状円
形の最先端の節輪２１が、先端部本体３の後端付近に嵌
合して小ネジ２２によって連結されている。２３は、湾
曲部２を被覆するゴムチューブである。FIG. 1 shows the distal end portion of the insertion portion, and FIG. 2 is a II-II cross-sectional view thereof. Fitted near the ends and connected by machine screws 22. Reference numeral 23 is a rubber tube that covers the curved portion 2.
【００１５】先端部本体３の先端面には観察窓１１が配
置され、その内側に配置された対物光学系１２による被
写体の結像位置に固体撮像素子１３の撮像面が配置され
ていて、先端部本体３の前方の被写体の光学観察像の撮
像信号がＣＣＤ信号ケーブル１４によって送出される。
図２に示される１６は、照明用ライトガイドである。An observation window 11 is arranged on the front end surface of the front end main body 3, and an image pickup surface of a solid-state image pickup device 13 is arranged at an image forming position of a subject by an objective optical system 12 arranged inside thereof. An image pickup signal of an optical observation image of a subject in front of the body 3 is sent out by the CCD signal cable 14.
Reference numeral 16 shown in FIG. 2 is a light guide for illumination.
【００１６】超音波プローブ４は、先端部本体３の中間
部分をＣ字状に囲むリング状に形成されていて、軸線周
りに放射状に超音波を発受信するラジアル走査により超
音波断層像を得ることができる。The ultrasonic probe 4 is formed in a ring shape surrounding the intermediate portion of the tip end main body 3 in a C shape, and obtains an ultrasonic tomographic image by radial scanning which radially emits and receives ultrasonic waves around the axis. be able to.
【００１７】超音波プローブ４の後端部には、超音波プ
ローブ４に入出力される信号を伝送するための配線が施
されたフレキシブル基板４０が接続されていて、先端部
本体３から後方に向かってフレキシブル基板４０が延出
している。１７は、図示されていないバルーンに脱気水
等を送排出するための送排水チューブである。To the rear end of the ultrasonic probe 4, there is connected a flexible substrate 40 provided with wiring for transmitting signals input to and output from the ultrasonic probe 4, and the flexible substrate 40 is connected rearward from the main body 3 of the distal end. The flexible substrate 40 extends toward the side. Reference numeral 17 denotes a water supply / drainage tube for supplying / discharging deaerated water or the like to a balloon (not shown).
【００１８】フレキシブル基板４０は湾曲部２内及び可
撓管部１内に引き通されて、超音波信号コネクタ部９１
に達している。ただし、本発明はフレキシブル基板４０
が少なくとも湾曲部２内に引き通されているものに適用
される。The flexible substrate 40 is drawn into the bending portion 2 and the flexible tube portion 1 to form an ultrasonic signal connector portion 91.
Has reached. However, the present invention is not limited to the flexible substrate 40.
Applies to at least the inside of the bending portion 2.
【００１９】フレキシブル基板４０は内外二枚重ねに配
置されて、その内外両面に可撓性の可撓性補強シート４
１を沿わせた状態で電気絶縁性の可撓性の熱収縮チュー
ブ４２によって密着被覆されている。そしてこの実施例
では、図２に示されるように、その状態のフレキシブル
基板４０が湾曲部２の軸線周りの同心円上に４セット配
置されている。The flexible substrates 40 are arranged in a stack of two inside and outside, and the flexible reinforcing sheet 4 is flexible on both inside and outside.
In the state where 1 is set, it is tightly covered with an electrically insulating flexible heat-shrinkable tube 42. Then, in this embodiment, as shown in FIG. 2, four sets of the flexible substrates 40 in that state are arranged on a concentric circle around the axis of the bending portion 2.
【００２０】熱収縮チューブ４２は、図１に示されるよ
うに、先端面が先端部本体３の後端面に当接する状態に
フレキシブル基板４０に被覆されており、その熱収縮チ
ューブ４２の端部付近を湾曲部２の径方向に挟み込むよ
うに、金属又はプラスチック材によって各々がＣ字状に
形成された一対の塀状補強部材３１，３２が設けられて
いる。As shown in FIG. 1, the heat-shrinkable tube 42 is covered with the flexible substrate 40 so that the front end surface of the heat-shrinkable tube 42 is in contact with the rear end surface of the front end portion body 3. A pair of fence-shaped reinforcing members 31 and 32 each formed of a metal or a plastic material in a C-shape are provided so as to sandwich the curved portion 2 in the radial direction.
【００２１】この一対の塀状補強部材３１，３２は、４
セットのフレキシブル基板４０を個々に被覆する熱収縮
チューブ４２を全部まとめて挟み込むように、先端部本
体３の後端部の軸線周りの同心円上に配置されており、
図３には、先端部本体３に対する一対の塀状補強部材３
１，３２の配置が、フレキシブル基板４０を省略した状
態で示されている。The pair of fence-shaped reinforcing members 31 and 32 are 4
The flexible substrates 40 of the set are arranged on concentric circles around the axis of the rear end of the front end main body 3 so as to sandwich all the heat shrinkable tubes 42 that individually cover the flexible substrates 40,
FIG. 3 shows a pair of fence-shaped reinforcing members 3 with respect to the tip body 3.
The arrangement of 1, 32 is shown with the flexible substrate 40 omitted.
【００２２】一対の塀状補強部材３１，３２は、間隔保
持ブロック３３を間に挟み込んだ状態で小ネジ３４によ
って連結固定されており、それによって、一対の塀状補
強部材３１，３２間が所定の間隔に規制されている。The pair of fence-shaped reinforcing members 31 and 32 are connected and fixed by machine screws 34 with the spacing block 33 sandwiched between them, whereby the pair of fence-shaped reinforcing members 31 and 32 is fixed. Is regulated by the interval.
【００２３】そのような一対の塀状補強部材３１，３２
は、先端部本体３の後端から少し湾曲部２側に隣接する
範囲の位置において、フレキシブル基板４０を熱収縮チ
ューブ４２の外側から湾曲部２の径方向に挟み込むよう
に、先側部分は先端部本体３の内外両面に係合し、後端
部分は先端部本体３の後端面から湾曲部２の方向に突出
している。Such a pair of fence-like reinforcing members 31, 32
At the position in the range slightly adjacent to the curved portion 2 side from the rear end of the tip portion main body 3, the front side portion is the tip so that the flexible substrate 40 is sandwiched from the outside of the heat shrinkable tube 42 in the radial direction of the curved portion 2. The rear end portion is engaged with both inner and outer surfaces of the main body 3, and the rear end portion projects from the rear end surface of the front end body 3 toward the curved portion 2.
【００２４】そして、図２に示されるように、一対の塀
状補強部材３１，３２間の空間に、例えばシリコン樹脂
等のように弾力性のある充填剤３５が充填されて弾力的
に固められた状態になっている。Then, as shown in FIG. 2, the space between the pair of fence-shaped reinforcing members 31 and 32 is filled with an elastic filler 35 such as silicon resin and elastically hardened. Is in a closed state.
【００２５】その結果、一対の塀状補強部材３１，３２
がその位置にほぼ固定された状態になっており、湾曲部
２が屈曲動作した時、フレキシブル基板４０に熱収縮チ
ューブ４２が被覆されていない部分と被覆されている部
分との境界部に応力が集中せず、フレキシブル基板４０
に作用する応力が一対の塀状補強部材３１，３２によっ
て分散されるので、フレキシブル基板４０に施された配
線が損傷を受けない。As a result, the pair of fence-shaped reinforcing members 31, 32
Is substantially fixed at that position, and when the bending portion 2 bends, stress is applied to the boundary between the portion where the flexible substrate 40 is not covered with the heat-shrinkable tube 42 and the portion where it is covered. Flexible substrate 40 without concentration
Since the stress acting on is distributed by the pair of fence-shaped reinforcing members 31 and 32, the wiring provided on the flexible substrate 40 is not damaged.
【００２６】[0026]
【発明の効果】本発明によれば、先端部本体の後端位置
においてフレキシブル基板を湾曲部の径方向に挟み込む
一対の塀状補強部材を設けたことにより、湾曲部が屈曲
動作した時、フレキシブル基板に可撓性チューブが被覆
されていない部分と被覆されている部分との境界部に応
力が集中せず、フレキシブル基板に作用する応力が一対
の塀状補強部材によって分散されるので、湾曲部の屈曲
動作によってフレキシブル基板上の配線切れが発生しな
い優れた耐久性を得ることができる。According to the present invention, by providing a pair of fence-shaped reinforcing members for sandwiching the flexible substrate in the radial direction of the bending portion at the rear end position of the tip portion main body, when the bending portion bends, it is flexible. The stress does not concentrate on the boundary between the part where the flexible tube is not covered by the substrate and the part where the flexible tube is covered, and the stress acting on the flexible substrate is dispersed by the pair of fence-shaped reinforcing members. It is possible to obtain excellent durability in which wiring breakage on the flexible substrate does not occur due to the bending operation of.
【図１】本発明の実施例の超音波内視鏡の先端部の側面
断面図である。FIG. 1 is a side sectional view of a distal end portion of an ultrasonic endoscope according to an embodiment of the present invention.
【図２】本発明の実施例の図１におけるII−II断面図で
ある。FIG. 2 is a sectional view taken along line II-II in FIG. 1 of the embodiment of the present invention.
【図３】本発明の実施例の超音波内視鏡の先端部のフレ
キシブル基板を省略した部分斜視図である。FIG. 3 is a partial perspective view of the ultrasonic endoscope according to the embodiment of the present invention in which a flexible substrate at a tip portion is omitted.
【図４】本発明の実施例の超音波内視鏡の全体側面図で
ある。FIG. 4 is an overall side view of the ultrasonic endoscope according to the embodiment of the present invention.
【図５】従来の超音波内視鏡の先端部の側面断面図であ
る。FIG. 5 is a side sectional view of a tip portion of a conventional ultrasonic endoscope.
【図６】従来の超音波内視鏡の先端部の側面断面図であ
る。FIG. 6 is a side sectional view of a tip portion of a conventional ultrasonic endoscope.
２ 湾曲部 ３ 先端部本体 ４ 超音波プローブ ３１，３２ 塀状補強部材 ３３ 間隔保持ブロック ３５ 充填剤 ４０ フレキシブル基板 ４２ 熱収縮チューブ 2 curved part 3 Tip body 4 Ultrasonic probe 31, 32 Fence-shaped reinforcing member 33 Interval holding block 35 Filler 40 flexible board 42 heat shrink tube
───────────────────────────────────────────────────── フロントページの続き Ｆターム(参考） 2H040 BA00 CA11 CA23 DA14 DA17 DA21 DA51 DA56 GA02 4C061 CC06 DD03 FF32 FF35 JJ06 LL02 NN01 SS01 4C301 BB03 EE12 FF05 GA02 GB13 JA12 JA17 ─────────────────────────────────────────────────── ─── Continued front page F-term (reference) 2H040 BA00 CA11 CA23 DA14 DA17 DA21 DA51 DA56 GA02 4C061 CC06 DD03 FF32 FF35 JJ06 LL02 NN01 SS01 4C301 BB03 EE12 FF05 GA02 GB13 JA12 JA17
Claims (4)
ーブと光学観察を行うための対物光学系とが配置された
先端部本体が、遠隔操作によって屈曲する湾曲部の先側
に連結され、上記超音波プローブに入出力される信号を
伝送するためのフレキシブル基板が上記湾曲部内に引き
通されて、上記フレキシブル基板に対して上記先端部本
体の後端に隣接する部分まで電気絶縁性の可撓性チュー
ブが被覆された超音波内視鏡の先端部において、 上記フレキシブル基板を被覆する可撓性チューブの端部
付近を上記湾曲部の径方向に挟み込む一対の塀状補強部
材を上記先端部本体の後端位置に設けたことを特徴とす
る超音波内視鏡の先端部。1. A tip body having an ultrasonic probe for emitting and receiving an ultrasonic signal and an objective optical system for optical observation is connected to a front side of a bending portion which is bent by remote control. , A flexible substrate for transmitting a signal input / output to / from the ultrasonic probe is drawn into the curved portion, and is electrically insulating up to a portion adjacent to the rear end of the tip body with respect to the flexible substrate. In the distal end of the ultrasonic endoscope covered with the flexible tube, a pair of fence-shaped reinforcing members that sandwich the vicinity of the end of the flexible tube covering the flexible substrate in the radial direction of the curved portion are provided at the distal end. A front end portion of an ultrasonic endoscope, which is provided at a rear end position of a main body of the portion.
のある充填剤が充填されている請求項１記載の超音波内
視鏡の先端部。2. The distal end portion of the ultrasonic endoscope according to claim 1, wherein a space between the pair of fence-shaped reinforcing members is filled with an elastic filler.
記載の超音波内視鏡の先端部。3. The filler is a silicone resin.
The tip of the described ultrasonic endoscope.
周りの同一円周上に複数配置されていて、上記一対の塀
状補強部材が、上記複数のフレキシブル基板の各々に被
覆された可撓性チューブの端部付近を挟み込むように上
記先端部本体の後端部の軸線周りの同心円上に配置され
ている請求項１、２又は３記載の超音波内視鏡の先端
部。4. A flexible structure in which a plurality of the flexible substrates are arranged on the same circumference around the axis of the curved portion, and the pair of fence-shaped reinforcing members are coated on each of the plurality of flexible substrates. The distal end portion of the ultrasonic endoscope according to claim 1, wherein the distal end portion of the ultrasonic endoscope is arranged concentrically around the axis of the rear end portion of the distal end portion main body so as to sandwich the vicinity of the end portion of the tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002138073A JP4047062B2 (en) | 2002-05-14 | 2002-05-14 | Ultrasound endoscope tip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002138073A JP4047062B2 (en) | 2002-05-14 | 2002-05-14 | Ultrasound endoscope tip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003325527A true JP2003325527A (en) | 2003-11-18 |
| JP4047062B2 JP4047062B2 (en) | 2008-02-13 |
Family
ID=29699607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002138073A Expired - Fee Related JP4047062B2 (en) | 2002-05-14 | 2002-05-14 | Ultrasound endoscope tip |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4047062B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005211549A (en) * | 2004-02-02 | 2005-08-11 | Pentax Corp | Distal end of ultrasound endoscope |
| JP2008237842A (en) * | 2007-03-29 | 2008-10-09 | Fujinon Corp | Ultrasonic endoscope |
| WO2013183353A1 (en) | 2012-06-06 | 2013-12-12 | オリンパスメディカルシステムズ株式会社 | Endoscope |
| WO2017158945A1 (en) * | 2016-03-14 | 2017-09-21 | オリンパス株式会社 | Endoscope |
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| JPS6461660A (en) * | 1987-09-01 | 1989-03-08 | Nec Corp | Semiconductor biosensor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005211549A (en) * | 2004-02-02 | 2005-08-11 | Pentax Corp | Distal end of ultrasound endoscope |
| JP4520165B2 (en) * | 2004-02-02 | 2010-08-04 | Ｈｏｙａ株式会社 | Ultrasound endoscope tip |
| JP2008237842A (en) * | 2007-03-29 | 2008-10-09 | Fujinon Corp | Ultrasonic endoscope |
| WO2013183353A1 (en) | 2012-06-06 | 2013-12-12 | オリンパスメディカルシステムズ株式会社 | Endoscope |
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| WO2017158945A1 (en) * | 2016-03-14 | 2017-09-21 | オリンパス株式会社 | Endoscope |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4047062B2 (en) | 2008-02-13 |
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