JP2521565Y2 - Measuring instruments for endoscopes - Google Patents
Measuring instruments for endoscopesInfo
- Publication number
- JP2521565Y2 JP2521565Y2 JP1991029272U JP2927291U JP2521565Y2 JP 2521565 Y2 JP2521565 Y2 JP 2521565Y2 JP 1991029272 U JP1991029272 U JP 1991029272U JP 2927291 U JP2927291 U JP 2927291U JP 2521565 Y2 JP2521565 Y2 JP 2521565Y2
- Authority
- JP
- Japan
- Prior art keywords
- tip
- endoscope
- measuring
- wound coil
- flexible
- 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.)
- Expired - Fee Related
Links
Landscapes
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は、経内視鏡的に体腔内の
病変部等の被検体の大きさを測定し診断における支援等
に役立てる内視鏡用測定具に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a measuring instrument for an endoscope, which is useful for assisting in diagnosis by measuring the size of a subject such as a lesion in a body cavity transendoscopically.
【０００２】[0002]
【従来の技術】一般に、内視鏡検査に際しては、病変部
の治療方法を決定したり、病変部の経過観察をする上
で、その病変部等の被検体の大きさを知ることが非常に
重要である。内視鏡用測定具を使用して被検体の目的部
位を測定するには、内視鏡挿入部を体腔内に挿入して行
き、目的部位に到達すると、内視鏡の処置用チャンネル
を介して内視鏡用測定具を挿入し、該内視鏡用測定具を
目的部位へ位置付けして、この内視鏡用測定具の目盛り
部を内視鏡により観察することで目的部位の測定を行っ
ている。2. Description of the Related Art Generally, in endoscopic examination, it is very important to know the size of a subject such as a lesion when determining a treatment method for the lesion or observing the progress of the lesion. is important. To measure the target part of the subject using the endoscope measuring tool, insert the endoscope insertion part into the body cavity, and when it reaches the target part, it is passed through the treatment channel of the endoscope. Insert the endoscope measuring tool, position the endoscope measuring tool to the target site, and observe the scale of the endoscope measuring tool with the endoscope to measure the target site. Is going.
【０００３】前記内視鏡用測定具としては、被検体の大
きさを経内視鏡的に測定する手段として、特開昭６２−
９７５２３号公報に開示されている先端部の柔軟部に目
盛りが設けられているものや、図４に示すようなものが
ある。As the measuring instrument for an endoscope, a means for measuring the size of a subject in an endoscopic manner is disclosed in Japanese Patent Laid-Open No. 62-
Some of which are provided with scales on the flexible portion of the distal end portion disclosed in Japanese Patent No. 97523, and some of which are shown in FIG.
【０００４】図４に示す内視鏡用測定具１は、先端部の
外周に測定用の目盛り２を有する細長な可撓性密巻きコ
イル３と、この可撓性密巻きコイル３の先端部４の内腔
に固着接続される先端部材５とによって構成されてい
る。この内視鏡用測定具１の先端部４を構成している先
端部材５は、内視鏡処置用チャンネルと体腔内壁等を傷
付けないように先端が球状になっている半球状部５ａ
と、この半球状部５ａの後方に延設した可撓性密巻きコ
イル３の先端部４の内腔に嵌合する嵌合部５ｂとにより
形成されている。この先端部材５の嵌合部５ｂと可撓性
密巻きコイル３の先端部４との接続は、先端部材５の嵌
合部５ｂを可撓性密巻きコイル３の先端部４の内腔に嵌
合し、可撓性密巻きコイル３の外側からハンダ６などを
流し込むことによって固着していた。An endoscope measuring tool 1 shown in FIG. 4 has an elongated flexible close-wound coil 3 having a measuring graduation 2 on the outer periphery of the tip, and the end of the flexible close-wound coil 3. 4 and a tip member 5 fixedly connected to the inner cavity. The tip member 5 that constitutes the tip portion 4 of the endoscope measuring tool 1 has a hemispherical portion 5a whose tip is spherical so as not to damage the endoscope treatment channel and the inner wall of the body cavity.
And a fitting portion 5b which is fitted to the inner cavity of the tip portion 4 of the flexible close-wound coil 3 and which extends behind the hemispherical portion 5a. The fitting portion 5b of the tip member 5 and the tip portion 4 of the flexible close-wound coil 3 are connected to each other by connecting the fitting portion 5b of the tip member 5 to the inner cavity of the tip portion 4 of the flexible close-wound coil 3. They were fitted and fixed by pouring solder 6 and the like from the outside of the flexible close-wound coil 3.
【０００５】[0005]
【考案が解決しようとする課題】しかしながら、前述の
ハンダなどによって固着させて構成した内視鏡用測定具
では、ハンダなどを可撓性密巻きコイルの外側から流し
込んでいたため、可撓性密巻きコイルと先端部材の嵌合
部との嵌合部分に、ハンダなどが十分に流れ込んでいる
かどうかの確認ができなかった。このハンダなどの流れ
込む量のバラツキにより可撓性密巻きコイルと先端部材
との接続は、嵌合部分にハンダなどが十分に流れ込んで
いるものと、嵌合部分にハンダなどが小量しか流れてい
ないものができて、必要な固定強度を安定して得ること
ができない恐れがあった。However, in the measuring instrument for an endoscope, which is fixed by the above-mentioned solder or the like, the solder or the like is poured from the outside of the flexible close-wound coil. It was not possible to confirm whether or not solder or the like was sufficiently flowing into the fitting portion between the winding coil and the fitting portion of the tip member. Due to this variation in the amount of solder that flows in, the flexible close-wound coil and the tip member are connected such that solder or the like flows sufficiently into the fitting part and only a small amount of solder or the like flows into the fitting part. There was a possibility that something that did not exist could not be obtained stably with the required fixing strength.
【０００６】本考案は、これらの事情に鑑みてなされた
もので、先端部に配置されて測定部を構成する可撓性密
巻きコイルと先端部材とを、作業のバラツキによって変
わらずに安定した強度で固定する事ができるようにした
内視鏡用測定具を提供することを目的としている。The present invention has been made in view of these circumstances, and the flexible close-wound coil and the distal end member, which are arranged at the distal end portion and constitute the measuring portion, are stable without changing due to variations in work. It is an object of the present invention to provide an endoscope measuring tool that can be fixed with strength.
【０００７】[0007]
【課題を解決するための手段】前記目的を達成するた
め、本考案は、内視鏡の処置用チャンネルを介して体腔
内に挿入し、被検体の大きさを測定する内視鏡用測定具
において、先端部に配置される可撓性コイルと、前方側
に設けた球状部の後方に延設した嵌合部の外周に前記可
撓性コイルを嵌合してねじ込み固定する雄ねじ部を有す
る先端部材と、前記先端部材の嵌合部の雄ねじ部にねじ
込み嵌合した可撓性コイルの外周に嵌合被覆するパイプ
とを備えているIn order to achieve the above object, the present invention provides a measuring instrument for an endoscope which is inserted into a body cavity through a treatment channel of the endoscope and measures the size of a subject. In, there is a flexible coil arranged at the tip portion, and a male screw portion for fitting the flexible coil into the outer periphery of a fitting portion extending rearward of the spherical portion provided on the front side and screwing and fixing the flexible coil. A tip member and a pipe for fitting and covering the outer circumference of the flexible coil screwed and fitted into the male screw portion of the fitting portion of the tip member are provided.
【０００８】[0008]
【作用】この構成よりなる内視鏡用測定具は、パイプを
嵌合被覆した可撓性コイル先端部の内腔に、先端部材の
嵌合部の雄ねじ部を螺合することによって、可撓性コイ
ルと先端部材との固定強度が増加する。The measuring instrument for an endoscope having this configuration is flexible by screwing the male screw portion of the fitting portion of the tip member into the inner cavity of the flexible coil tip portion in which the pipe is fitted and covered. The fixing strength between the sex coil and the tip member is increased.
【０００９】[0009]
【実施例】以下、図面を参照して本考案の実施例を説明
する。図１は、本考案の第１実施例に係る、先端側を拡
大断面で示す全体説明図である。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an overall explanatory view showing a front end side in an enlarged cross section according to a first embodiment of the present invention.
【００１０】図に示すように内視鏡測定具１１は、手元
側のつまみ１２の前方に図示しない内視鏡の処置用チャ
ンネルに挿通可能な外径を有する細長な可撓性密巻きコ
イル１３からなるシースを延設し、このシースの先端部
の外周に目盛りを形成した測定部１４を設けて構成され
ている。前記測定部１４は、その先端に先端部材１５を
設け、この先端部材１５は前方に内視鏡処置用チャンネ
ルと体腔内壁とに傷を付けないように先端が球状になっ
ている半球状部１５ａと、この半球状部１５ａの後方に
延設した嵌合部１５ｂとにより形成されている。そし
て、この嵌合部１５ｂの外周には、前記可撓性密巻きコ
イル１３の先端側を螺合して固定するための雄ねじ部１
５ｃが成形されている。また、この先端部材１５と可撓
性密巻きコイル１３の先端部１６とは、嵌合部１５ｂの
雄ねじ部１５ｃに接着剤１７を塗布して、可撓性密巻き
コイル１３の先端部１６を螺合することにより、この嵌
合部１５ｂの雄ねじ部１５ｃと可撓性コイル１３の先端
部１６の内腔との嵌合部分に接着剤が十分に行き渡って
接着固定されている。また、この先端部材１５の嵌合部
１５ｂの雄ねじ部１５ｃに螺合した可撓性密巻きコイル
１３の先端部１６外周には、該可撓性密巻きコイル１３
の内腔に前記雄ねじ部１５ｃを螺合したときに可撓性密
巻きコイル１３の内腔が広がることを防止すると共に、
例えば着色されて測定具の目盛りの一部になっているパ
イプ１８が嵌合被覆されている。このパイプ１８が、可
撓性密巻きコイル１３を嵌合被覆するとき先端部外径が
変化しないように可撓性密巻きコイル１３の先端部分１
４は、パイプ１８の肉厚分だけ切削されて切削部１９を
形成している。As shown in the figure, the endoscope measuring tool 11 is an elongated flexible close-wound coil 13 having an outer diameter that can be inserted into a treatment channel of an endoscope (not shown) in front of a knob 12 on the proximal side. It is configured by extending a sheath consisting of, and providing a measuring portion 14 having a scale formed on the outer periphery of the tip portion of the sheath. The measuring portion 14 is provided with a tip member 15 at its tip, and the tip member 15 has a hemispherical portion 15a whose tip is spherical so as not to damage the endoscope treatment channel and the inner wall of the body cavity. And a fitting portion 15b extending behind the hemispherical portion 15a. A male screw portion 1 for screwing and fixing the tip side of the flexible close-wound coil 13 on the outer periphery of the fitting portion 15b.
5c is molded. Further, the tip member 15 and the tip portion 16 of the flexible close-wound coil 13 are formed by applying an adhesive 17 to the male screw portion 15c of the fitting portion 15b so that the tip portion 16 of the flexible close-wound coil 13 is fixed. By screwing, the adhesive is sufficiently spread and fixed to the fitting portion between the male screw portion 15c of the fitting portion 15b and the inner cavity of the tip end portion 16 of the flexible coil 13. Further, the flexible close-wound coil 13 is provided on the outer periphery of the tip end 16 of the flexible close-wound coil 13 screwed into the male screw portion 15c of the fitting portion 15b of the tip end member 15.
It prevents the internal cavity of the flexible close-wound coil 13 from expanding when the male screw portion 15c is screwed into the internal cavity of
For example, the pipe 18 which is colored and is a part of the scale of the measuring tool is fitted and covered. The end portion 1 of the flexible close-wound coil 13 is fixed so that the pipe 18 does not change the outer diameter of the end portion when the flexible close-wound coil 13 is fitted and covered.
4 is cut by the thickness of the pipe 18 to form a cut portion 19.
【００１１】また、可撓性密巻きコイル１３の内腔に
は、ワイヤ２０が挿通されており、このワイヤ２０の先
端を先端部材１５に取り付け、ワイヤ２０の後端をツマ
ミ１９に取り付けることにより可撓性密巻きコイル１３
の伸びを防止している。A wire 20 is inserted through the inner cavity of the flexible close-wound coil 13, and the tip of the wire 20 is attached to the tip member 15 and the rear end of the wire 20 is attached to the knob 19. Flexible close-wound coil 13
Prevents the growth of.
【００１２】この先端部材１５と可撓性密巻きコイル１
３との固定強度は、接着剤が可撓性密巻きコイル１３と
先端部材１５の嵌合部１５ｂの雄ねじ部１５ｃとの嵌合
部分に十分行き渡ることにより固定される接着強度に対
し、可撓性密巻きコイル１３の内腔と先端部材１５の嵌
合部１５ｂの雄ねじ部１５ｃとが螺合される機械的固定
強度が加わるので、従来のハンダなどによる固定強度と
比較して十分に強いものであり、また、作業によるバラ
ツキの無い安定した内視鏡用測定具が得られる。The tip member 15 and the flexible close-wound coil 1
The fixing strength with 3 is flexible with respect to the adhesive strength fixed by fully spreading the adhesive to the fitting portion between the flexible close-wound coil 13 and the male screw portion 15c of the fitting portion 15b of the tip member 15. Mechanical fixing strength by which the inner cavity of the tightly wound coil 13 and the male screw portion 15c of the fitting portion 15b of the tip member 15 are screwed together is added, so that it is sufficiently stronger than the fixing strength by conventional soldering or the like. In addition, a stable endoscope measuring tool that does not vary due to work can be obtained.
【００１３】図２は、本考案の第２実施例に係る、シー
ス先端と測定部との接続部を拡大断面して示す全体説明
図である。この第２実施例においては、病変部に対し
て、内視鏡用測定具２１の測定部２２を測定しようとす
る被検体の目的部位の近傍に容易に密着できるように、
測定部２２の位置を変化させるリンク機構２３が該測定
部２２の後部に設けられている。FIG. 2 is an overall explanatory view showing an enlarged cross-section of a connecting portion between a sheath tip and a measuring portion according to a second embodiment of the present invention. In the second embodiment, with respect to the lesioned part, the measuring part 22 of the endoscope measuring tool 21 can be easily brought into close contact with the vicinity of the target site of the subject to be measured,
A link mechanism 23 that changes the position of the measuring unit 22 is provided at the rear of the measuring unit 22.
【００１４】図に示すように内視鏡用測定具２１は、手
元側のシリンダとスライダとからなる操作部２４と、こ
の操作部２４のシリンダに後端部を止着した細長な可撓
性密巻きコイル２５からなるシースと、このシース内に
挿通されたワイヤ２６及び、前記シースの先端部に設け
た測定部２２とにより構成されている。この測定部２２
後部とシース先端部本体２７とは、リンク機構２３によ
って連結されている。そして、前記測定部２２は、シー
ス先端部本体２７を挿通してリンク機構２３に接続され
ているワイヤ２６によって、操作部２４のスライダを進
退する事によって回動されて変位するようになってい
る。前記内視鏡用測定具２１の測定部２２は、第１実施
例と同様に構成されている。前記測定部２２は、可撓性
密巻きコイル２８を主体に構成され、その先端部及び後
端部には、それぞれ先端部材２９とコイル接続部材３０
とが接続されている。そして、コイル接続部材３０の前
方には、先端部材２９と同様に嵌合部に雄ねじ部が設け
られている。前記先端部材２９の雄ねじ部とコイル接続
部材３０の雄ねじ部とに接着剤を塗布して、それぞれの
ねじ部を第１実施例と同様の両端にパイプを嵌合被覆し
た可撓性密巻きコイル２８の内腔に螺合することによ
り、接着固定及びねじによる機械固定をしている。As shown in the figure, the measuring instrument 21 for an endoscope has an operating portion 24 composed of a cylinder and a slider on the near side, and an elongated flexible member having a rear end portion fixed to the cylinder of the operating portion 24. The sheath is composed of a tightly wound coil 25, a wire 26 inserted in the sheath, and a measuring section 22 provided at the distal end of the sheath. This measuring unit 22
The rear part and the sheath tip part main body 27 are connected by a link mechanism 23. Then, the measuring section 22 is rotated and displaced by advancing and retracting the slider of the operating section 24 by a wire 26 which is inserted through the sheath distal end main body 27 and connected to the link mechanism 23. . The measuring section 22 of the endoscope measuring tool 21 has the same configuration as that of the first embodiment. The measuring unit 22 is mainly composed of a flexible close-wound coil 28, and a tip member 29 and a coil connecting member 30 are provided at the tip and the rear end thereof, respectively.
And are connected. Further, in the front of the coil connecting member 30, a male screw portion is provided in the fitting portion as in the tip member 29. Adhesive is applied to the male screw portion of the tip member 29 and the male screw portion of the coil connecting member 30, and a flexible close-wound coil in which pipes are fitted and covered at both ends of each screw portion as in the first embodiment. By screwing into the inner cavity of 28, the adhesive fixing and the mechanical fixing by screws are performed.
【００１５】図３は、本考案の第３実施例に係る、先端
側を拡大断面で示す全体説明図である。図に示すように
内視鏡用測定具３１は、手元側のつまみ３２の前方に細
長な可撓性コイル３３からなるシースを延設し、このシ
ースの先端部には、複数の球形測定部材３４ａ，３４
ｂ，３４ｃ等が一定の長さを有する可撓性密巻きコイル
３５によって接続されている。前記複数の球形測定部材
３４ａ，３４ｂ，３４ｃ等が一定の長さを有する可撓性
密巻きコイル３５によって接続されることにより、球形
測定部材３４ａ，３４ｂ，３４ｃ等よりも大きな被検体
を測定することができる。また、前記球状測定部材３４
ａ，３４ｂ，３４ｃ等は、大きさが等しいか又は、大き
さがそれぞれ異なる赤、緑、青などの色にそれぞれ着色
されている。そして、先端に位置する球形測定部材３４
ａの後方側及び、先端以外に位置する球形測定部材３４
ｂ，３４ｃ等の中心軸の両側には、第１実施例及び第２
実施例の先端部材と同様の嵌合部及び雄ねじ部が形成さ
れ、又、可撓性密巻きコイル３３の先端部と可撓性密巻
きコイル３５，３５．．．の両端部とには、第１実施例
及び第２実施例の可撓性密巻きコイルの先端部と同様の
加工が施されて球状測定部材３４ａ，３４ｂ，３４ｃ等
と可撓性密巻きコイル３５，３３とがそれぞれ接続固定
されている。FIG. 3 is an overall explanatory view showing the front end side in an enlarged cross section according to the third embodiment of the present invention. As shown in the figure, the endoscope measuring tool 31 has a sheath made of an elongated flexible coil 33 extending in front of a knob 32 on the proximal side, and a plurality of spherical measuring members are provided at the tip of the sheath. 34a, 34
b, 34c, etc. are connected by a flexible close-wound coil 35 having a fixed length. The plurality of spherical measuring members 34a, 34b, 34c and the like are connected by a flexible close-wound coil 35 having a constant length, so that an object larger than the spherical measuring members 34a, 34b, 34c and the like is measured. be able to. In addition, the spherical measuring member 34
The a, 34b, 34c and the like are colored in red, green, blue or the like having the same size or different sizes. The spherical measuring member 34 located at the tip
a spherical measuring member 34 located on the rear side of a and other than the tip
The first and second embodiments are provided on both sides of the central axis of b, 34c, etc.
A fitting portion and a male screw portion similar to those of the tip member of the embodiment are formed, and the tip portion of the flexible close-wound coil 33 and the flexible close-wound coils 35, 35. . . Both ends of the flexible close-wound coil are subjected to the same processing as the tip end portions of the flexible close-wound coil of the first and second embodiments, and the spherical close-fitting coils 34a, 34b, 34c and the like. 35 and 33 are connected and fixed.
【００１６】また、第３実施例にも第１実施例と同様の
可撓性密巻きコイルの伸びを防止するためのワイヤが挿
通されているが省略しても良い。本実施例の図示例で
は、先端部として球形測定部材を用いたが第１実施例同
様に半球状の部材を用いても良い。Also, in the third embodiment, a wire for preventing the expansion of the flexible close-wound coil similar to that of the first embodiment is inserted, but it may be omitted. In the illustrated example of the present embodiment, the spherical measuring member is used as the tip portion, but a hemispherical member may be used as in the first embodiment.
【００１７】[0017]
【考案の効果】以上説明したように本考案によれば、可
撓性密巻きコイルと接続する先端部材の嵌合部に雄ねじ
部を設け、この雄ねじ部に接着材を塗布して、先端部外
周にパイプを嵌合被覆した可撓性密巻きコイルを螺合し
て接着固定してなるので、接着固定に、ねじ部による機
械的な固定強度が加わって必要な固定強度を得ることが
でき、作業によるバラツキか無くなるので安定した接続
固定を得られる効果がある。As described above, according to the present invention, a male screw portion is provided at the fitting portion of the tip member connected to the flexible close-wound coil, and an adhesive material is applied to the male screw portion to form the tip portion. Since a flexible close-wound coil with a pipe fitted and covered on the outer periphery is screwed and fixed by adhesion, mechanical fixing strength by the screw part is added to the adhesion fixing to obtain the necessary fixing strength. Since there is no variation due to work, there is an effect that a stable connection and fixation can be obtained.
【図１】第１実施例に係る、先端側を拡大断面で示す全
体説明図。FIG. 1 is an overall explanatory view showing a front end side in an enlarged cross section according to a first embodiment.
【図２】第２実施例に係る、シース先端と測定部との接
続部を拡大断面して示す全体説明図。FIG. 2 is an overall explanatory view showing an enlarged cross-sectional view of a connection portion between a sheath tip and a measurement portion according to a second embodiment.
【図３】第３実施例に係る、先端側を拡大断面で示す全
体説明図。FIG. 3 is an overall explanatory view showing a front end side in an enlarged cross section according to a third embodiment.
【図４】従来例に係る、先端側を拡大断面で示す全体説
明図。FIG. 4 is an overall explanatory view showing a front end side in an enlarged cross section according to a conventional example.
１１… 内視鏡用測定具 １３… 可撓性密巻きコイル １４… 測定部 １５… 先端部材 １６… パイプ １７… 接着剤 11 ... Measuring tool for endoscope 13 ... Flexible close-wound coil 14 ... Measuring part 15 ... Tip member 16 ... Pipe 17 ... Adhesive
Claims (1)
に挿入し、被検体の大きさを測定する内視鏡用測定具に
おいて、先端部に配置される可撓性コイルと、前方側に
設けた球状部の後方に延設した嵌合部の外周に前記可撓
性コイルを嵌合してねじ込み固定する雄ねじ部を有する
先端部材と、前記先端部材の嵌合部の雄ねじ部にねじ込
み嵌合した可撓性コイルの外周に嵌合被覆するパイプと
を備えていることを特徴とする内視鏡用測定具。1. A measuring instrument for an endoscope, which is inserted into a body cavity through a treatment channel of an endoscope to measure the size of a subject, and a flexible coil arranged at a distal end portion and a front portion. A distal end member having a male screw portion for fitting and screwing the flexible coil around the outer periphery of the fitting portion extending rearward of the spherical portion provided on the side, and a male screw portion of the fitting portion of the tip member. A measuring tool for an endoscope, comprising: a pipe that fits and covers the outer circumference of a flexible coil that is screwed and fitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991029272U JP2521565Y2 (en) | 1991-04-25 | 1991-04-25 | Measuring instruments for endoscopes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991029272U JP2521565Y2 (en) | 1991-04-25 | 1991-04-25 | Measuring instruments for endoscopes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04124102U JPH04124102U (en) | 1992-11-11 |
| JP2521565Y2 true JP2521565Y2 (en) | 1996-12-25 |
Family
ID=31913164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1991029272U Expired - Fee Related JP2521565Y2 (en) | 1991-04-25 | 1991-04-25 | Measuring instruments for endoscopes |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2521565Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4199508B2 (en) * | 2002-09-27 | 2008-12-17 | Ｈｏｙａ株式会社 | Endoscope cleaning brush |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57119723A (en) * | 1981-01-16 | 1982-07-26 | Olympus Optical Co | Colorimetric sonde |
-
1991
- 1991-04-25 JP JP1991029272U patent/JP2521565Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04124102U (en) | 1992-11-11 |
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