JPH04307055A - High frequency processing apparatus - Google Patents
High frequency processing apparatusInfo
- Publication number
- JPH04307055A JPH04307055A JP3006003A JP600391A JPH04307055A JP H04307055 A JPH04307055 A JP H04307055A JP 3006003 A JP3006003 A JP 3006003A JP 600391 A JP600391 A JP 600391A JP H04307055 A JPH04307055 A JP H04307055A
- Authority
- JP
- Japan
- Prior art keywords
- wire
- treatment electrode
- insertion section
- electrode
- processing electrode
- 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
- 239000004809 Teflon Substances 0.000 claims abstract description 17
- 229920006362 Teflon® Polymers 0.000 claims abstract description 17
- 238000003780 insertion Methods 0.000 claims description 40
- 230000037431 insertion Effects 0.000 claims description 40
- 230000005611 electricity Effects 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 abstract description 4
- 230000003902 lesion Effects 0.000 abstract 2
- 208000037062 Polyps Diseases 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 210000001198 duodenum Anatomy 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 206010013554 Diverticulum Diseases 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005524 ceramic coating Methods 0.000 description 1
- 230000002183 duodenal effect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は、体腔内に発生したポリ
ープ等の病変組織を除去する場合に用いられる高周波処
置具に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high-frequency treatment instrument used for removing diseased tissue such as polyps occurring within a body cavity.
【０００２】0002
【従来の技術】体腔内に発生したポリープ等の病変組織
を除去する手段として、高周波処置具が従来より知られ
ている。この種の高周波処置具は内視鏡等を介して体腔
内に挿入される挿入部の先端部に処置電極を有し、この
処置電極を体腔内の病変組織に接触させて処置電極に通
電される高周波電流により病変組織を焼灼するように構
成されている。2. Description of the Related Art High frequency treatment instruments have been known as a means for removing diseased tissue such as polyps occurring within body cavities. This type of high-frequency treatment device has a treatment electrode at the tip of an insertion section that is inserted into a body cavity through an endoscope, etc., and the treatment electrode is energized by contacting the diseased tissue in the body cavity. The device is configured to cauterize diseased tissue using high-frequency current.
【０００３】ところで、このような高周波処置具では処
置電極に高周波電流を通電すると、高周波電流の熱によ
って病変組織が炭化して組織が処置電極の表面に付着し
、処置電極の表面に付着した組織によって組織の焼灼が
阻害されたり、処置電極が浸蝕されたりすることがある
。By the way, in such a high-frequency treatment device, when a high-frequency current is applied to the treatment electrode, the diseased tissue is carbonized by the heat of the high-frequency current and the tissue adheres to the surface of the treatment electrode. This may inhibit tissue ablation or erode the treatment electrode.
【０００４】そこで、このような不具合を防止するため
に処置電極の表面にセラミックコーティングを施し、処
置電極への組織の付着を防止した高周波処置具が特開昭
６２−２１１０６０号公報で提案されている。しかしな
がら、このような高周波処置具は処置電極がフレキシブ
ルなものである場合には、繰り返し使用しているうちに
処置電極の表面からセラミックが剥離してしまい、信頼
性に欠けるという問題があった。[0004] In order to prevent such problems, a high-frequency treatment instrument was proposed in Japanese Patent Application Laid-Open No. 62-211060, in which the surface of the treatment electrode is coated with a ceramic coating to prevent tissue from adhering to the treatment electrode. There is. However, when such a high-frequency treatment instrument has a flexible treatment electrode, there is a problem in that the ceramic peels off from the surface of the treatment electrode during repeated use, resulting in a lack of reliability.
【０００５】[0005]
【発明が解決しようとする課題】本発明は上記のような
点に鑑みてなされたもので、その目的は生体組織の耐付
着性および耐蝕性を向上させることのできる高周波処置
具を提供しようとするものてある。[Problems to be Solved by the Invention] The present invention has been made in view of the above points, and its purpose is to provide a high-frequency treatment instrument that can improve the adhesion resistance and corrosion resistance of living tissue. There are things to do.
【０００６】[0006]
【課題を解決するための手段】上記課題を解決するため
に本発明は、内視鏡等を介して体腔内に挿入される挿入
部の先端にフレキシブルな処置電極を有し、この処置電
極を体腔内の病変組織に接触させて処置電極に通電され
る高周波電流により病変組織を焼灼する高周波処置具に
おいて、前記処置電極の表面に導電性テフロンをコーテ
ィングしたものである。[Means for Solving the Problems] In order to solve the above problems, the present invention has a flexible treatment electrode at the tip of an insertion section inserted into a body cavity through an endoscope or the like. This is a high-frequency treatment instrument that cauterizes diseased tissue by applying a high-frequency current to a treatment electrode that is brought into contact with the diseased tissue in a body cavity, and the surface of the treatment electrode is coated with conductive Teflon.
【０００７】[0007]
【作用】本発明では処置電極の表面に導電性テフロンを
コーティングすることにより、導電性テフロンはセラミ
ックに比べて金属に対する付着性が優れているので、繰
り返し使用しても導電性テフロンが処置電極の表面から
剥がれるようなことがなく、処置電極への生体組織の付
着を防止することができる。[Operation] In the present invention, by coating the surface of the treatment electrode with conductive Teflon, conductive Teflon has better adhesion to metals than ceramics, so even after repeated use, the conductive Teflon remains on the treatment electrode. It does not peel off from the surface, and it is possible to prevent living tissue from adhering to the treatment electrode.
【０００８】[0008]
【実施例】以下、本発明の一実施例を図１乃至図３を参
照して説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 1 to 3.
【０００９】図１は本発明の一実施例を示す高周波処置
具の概略図であり、この高周波処置具は、図示しない内
視鏡を介して体腔内に挿入される挿入部１の先端に処置
電極２を設けるとともに、挿入部１の後端に操作部３を
設けて構成されている。FIG. 1 is a schematic diagram of a high-frequency treatment instrument showing an embodiment of the present invention. An electrode 2 is provided, and an operating section 3 is provided at the rear end of the insertion section 1.
【００１０】上記挿入部１は例えばテフロンチューブ等
から形成され、可撓性と電気絶縁性を有している。また
、処置電極２は図２に示すようにワイヤ４をＵ字状に屈
曲して形成されており、ワイヤ４の表面には図３に示す
如く導電性テフロン５がコーィングされている。The insertion section 1 is made of, for example, a Teflon tube, and has flexibility and electrical insulation properties. The treatment electrode 2 is formed by bending a wire 4 into a U-shape as shown in FIG. 2, and the surface of the wire 4 is coated with conductive Teflon 5 as shown in FIG.
【００１１】上記ワイヤ４の一端は挿入部１内に摺動自
在に設けられた可動リング６に固定されている。また、
ワイヤ４の他端は挿入部１内を挿通して操作部３のスラ
イダ７に接続しており、スライダ７を挿入部１側に移動
させるとワイヤ４の屈曲部（先端部）８が挿入部１の先
端から押し出されるようになっている。なお、図１では
スライダ７は挿入部１側に移動した状態を示している。
そして、この状態でさらにスライダ７を挿入部１側に移
動させると挿入部１の先端部内に固定されたストッパ９
に可動リング６が当接し、図２に示す如くワイヤ４の他
端側（スライダ７に接続された側）が撓んでループを形
成するように構成されている。One end of the wire 4 is fixed to a movable ring 6 slidably provided within the insertion portion 1. Also,
The other end of the wire 4 is inserted into the insertion section 1 and connected to the slider 7 of the operating section 3. When the slider 7 is moved toward the insertion section 1 side, the bent part (tip part) 8 of the wire 4 is inserted into the insertion section. It is designed to be pushed out from the tip of 1. Note that FIG. 1 shows a state in which the slider 7 has moved toward the insertion section 1 side. When the slider 7 is further moved toward the insertion section 1 in this state, the stopper 9 fixed inside the distal end of the insertion section 1
The movable ring 6 is in contact with the wire 4, and the other end of the wire 4 (the side connected to the slider 7) is bent to form a loop as shown in FIG.
【００１２】なお、上記操作部３には術者が指を引っ掛
けるための指掛け部１０がスライダ７と操作部３の後端
に設けられている。また、スライダ７には処置電極２に
高周波電流を供給するための接続端子１１が設けられて
いる。[0012] The operating section 3 is provided with a finger hook 10 at the rear end of the slider 7 and the operating section 3, on which the operator can hook his/her finger. Further, the slider 7 is provided with a connection terminal 11 for supplying high frequency current to the treatment electrode 2.
【００１３】上記のように構成される高周波処置具にお
いて体腔内のポリープを除去する場合は、まず挿入部１
を内視鏡を介して体腔内に挿入し、挿入部１の先端を目
的部位に近づける。次に操作部３のスライダ７を挿入部
１側に移動させてワイヤ４の屈曲部８を挿入部１の先端
から押し出し、ワイヤ４の他端側を撓ませて挿入部１の
先端にループ状の処置電極２を形成する。[0013] When removing a polyp in a body cavity using the high-frequency treatment instrument configured as described above, first the insertion portion 1 is removed.
is inserted into the body cavity through an endoscope, and the tip of the insertion section 1 is brought close to the target site. Next, move the slider 7 of the operation section 3 toward the insertion section 1 side to push out the bent section 8 of the wire 4 from the tip of the insertion section 1, bend the other end of the wire 4, and form a loop at the tip of the insertion section 1. A treatment electrode 2 is formed.
【００１４】このようにして挿入部１の先端にループ状
の処置電極２を形成したならば、処置電極２のループ部
にポリープを引っ掛けた後、スライダ７でワイヤ４を引
っ張り、ポリープをワイヤ４で挟み込む。そして、この
状態でスライダ７の接続端子１１に接続された高周波電
源からワイヤ４に高周波電流を流してポリープを焼灼す
る。Once the loop-shaped treatment electrode 2 is formed at the distal end of the insertion section 1 in this manner, the polyp is hooked onto the loop portion of the treatment electrode 2, and then the wire 4 is pulled by the slider 7, and the polyp is pulled onto the wire 4. Sandwich it in. In this state, a high frequency current is applied to the wire 4 from a high frequency power supply connected to the connecting terminal 11 of the slider 7 to cauterize the polyp.
【００１５】このとき、ポリープの表面組織は高周波電
流の熱によって炭化するが、本実施例では処置電極２の
表面すなわちワイヤ４の表面に導電性テフロン５がコー
ティングされているので、病変組織の処置電極２への付
着を防止することができる。また、導電性テフロン５は
セラミックに比べて金属に対する付着性が優れているの
で、繰り返し使用しても導電性テフロン５が処置電極２
の表面から剥がれるようなことはない。したがって、上
記実施例では生体組織の耐付着性および耐蝕性を向上さ
せることができ、高周波処置具の信頼性を高めることが
できる。At this time, the surface tissue of the polyp is carbonized by the heat of the high-frequency current, but in this embodiment, the surface of the treatment electrode 2, that is, the surface of the wire 4, is coated with conductive Teflon 5, so that the diseased tissue can be treated. Adhesion to the electrode 2 can be prevented. In addition, since conductive Teflon 5 has superior adhesion to metals compared to ceramic, conductive Teflon 5 does not adhere to the treatment electrode 2 even after repeated use.
It will not peel off from the surface. Therefore, in the embodiment described above, the adhesion resistance and corrosion resistance of living tissue can be improved, and the reliability of the high-frequency treatment instrument can be improved.
【００１６】図４は本発明の第２実施例を示す図であり
、挿入部１の先端部分を示したものである。この第２実
施例の処置電極２は挿入部１の側部に設けられており、
挿入部１の側部には挿通孔１２，１３が挿入部１の軸方
向に間隔を有して形成されている。これらの挿通孔１２
，１３には、一端を挿入部１２の先端部内に固定された
ワイヤ４が挿通しており、ワイヤ４の他端は挿入部１内
を通って図示しない操作部のスライダに接続されている
。そして、挿入部１から露出したワイヤ４の表面には導
電性テフロン（図示せず）がコーティングされている。
したがって、この第２実施例では第１実施例と同様に生
体組織の耐付着性および耐蝕性を向上させることができ
、高周波処置具の信頼性を高めることができる。FIG. 4 is a diagram showing a second embodiment of the present invention, and shows the distal end portion of the insertion section 1. As shown in FIG. The treatment electrode 2 of this second embodiment is provided on the side of the insertion section 1,
Insertion holes 12 and 13 are formed in the side portion of the insertion portion 1 at intervals in the axial direction of the insertion portion 1. These insertion holes 12
, 13, a wire 4 whose one end is fixed within the distal end of the insertion section 12 is inserted, and the other end of the wire 4 passes through the insertion section 1 and is connected to a slider of an operation section (not shown). The surface of the wire 4 exposed from the insertion portion 1 is coated with conductive Teflon (not shown). Therefore, in this second embodiment, as in the first embodiment, the adhesion resistance and corrosion resistance of living tissue can be improved, and the reliability of the high-frequency treatment instrument can be improved.
【００１７】なお、上記実施例では挿入部１を可撓性チ
ューブから形成したが、図５に示すように先端部分を除
く挿入部１の外周に多条コイル１４を巻き付け、さらに
その外側に絶縁チューブ１５を設けてよい。このような
構成によると、操作部３を回転させた際に挿入部１の追
従性が良くなり、ワイヤ４の向きを容易に変えることが
できる。In the above embodiment, the insertion section 1 is made of a flexible tube, but as shown in FIG. A tube 15 may be provided. According to such a configuration, when the operating section 3 is rotated, the insertion section 1 can follow the insertion section 1 better, and the direction of the wire 4 can be easily changed.
【００１８】また、挿入部１の外周に多条コイル１４を
設ける代わりに、図６及び図７に示すように挿入部１の
外周にフレックス１６またはブレード１７を設けてもよ
い。さらに、図８に示すように挿入部１を軟質なチュー
ブ１８（例えばＰＴＦＥ）で形成し、その外周に硬質な
チューブ１９（例えばＦＥＰ、ポリプロピレン、軟質ポ
リエチレン等）を設けても挿入部１の追従性を良くする
ことができる。Furthermore, instead of providing the multi-thread coil 14 on the outer periphery of the insertion portion 1, a flex 16 or a blade 17 may be provided on the outer periphery of the insertion portion 1, as shown in FIGS. 6 and 7. Furthermore, as shown in FIG. 8, even if the insertion section 1 is formed of a soft tube 18 (for example, PTFE) and a hard tube 19 (for example, FEP, polypropylene, soft polyethylene, etc.) is provided on the outer periphery, the insertion section 1 will not follow. It can improve sex.
【００１９】図９及び図１０は本発明の第４実施例を示
す図であり、この第４実施例が第２実施例と異なる点は
ワイヤ４の芯線４ａを露出して処置電極２を形成した点
である。このような構成によると、ワイヤ４は切開を行
う部分が細くなっているので、生体組織と接触する部分
へ電流を集中させることができ、切除効率が向上する。9 and 10 are diagrams showing a fourth embodiment of the present invention. This fourth embodiment differs from the second embodiment in that the core wire 4a of the wire 4 is exposed to form the treatment electrode 2. This is the point. According to such a configuration, since the wire 4 is thin at the part where the incision is made, the current can be concentrated in the part that comes into contact with the living tissue, and the resection efficiency is improved.
【００２０】なお、上述した第４実施例ではワイヤ４の
芯線４ａを露出させて切開を行う部分を細くしたが、図
１１及び図１２に示すように処置電極２をテーパ部２０
を有するワイヤ２１で構成しても同様の効果を得ること
ができる。In the fourth embodiment described above, the core wire 4a of the wire 4 is exposed to make the incision portion thinner, but as shown in FIGS. 11 and 12, the treatment electrode 2 is
A similar effect can be obtained by configuring the wire 21 with the following.
【００２１】図１３は本発明の第７実施例を示す図であ
り、この第７実施例では挿入部１の先端部外周にバルー
ン２２が設けられている。このバルーン２２は操作部３
に設けられた送気口金２４（図１４参照）に送気孔２３
を介して接続しており、送気口金２４より供給される流
体圧により膨脹するようになっている。FIG. 13 is a view showing a seventh embodiment of the present invention. In this seventh embodiment, a balloon 22 is provided on the outer periphery of the distal end of the insertion section 1. As shown in FIG. This balloon 22 is the operating part 3
The air supply hole 23 is installed in the air supply cap 24 (see Fig. 14) provided in the
It is connected via the air supply cap 24 and is expanded by the fluid pressure supplied from the air supply mouthpiece 24.
【００２２】上記のように構成される高周波処置具にお
いて十二指腸内の乳頭を切開する場合は、図１５に示す
ように十二指腸用内視鏡２５を用いて挿入部１を十二指
腸内に挿入する。このとき、切開部２６が乳頭部２８よ
り奥まったところにある場合はバルーン２２を膨脹させ
て高周波処置具の処置電極２を所望の位置に固定する。
その後、高周波処置具の挿入部１を矢印方向に操作する
ことで切開部２６を憩室２７に引き出し、切開部２６を
処置電極２で切開する。When incising the papilla within the duodenum using the high-frequency treatment instrument configured as described above, the insertion section 1 is inserted into the duodenum using a duodenal endoscope 25, as shown in FIG. At this time, if the incision 26 is located deeper than the papilla 28, the balloon 22 is inflated to fix the treatment electrode 2 of the high-frequency treatment instrument at a desired position. Thereafter, by operating the insertion section 1 of the high-frequency treatment instrument in the direction of the arrow, the incision 26 is pulled out into the diverticulum 27, and the incision 26 is incised with the treatment electrode 2.
【００２３】[0023]
【発明の効果】以上説明したように本発明は、内視鏡等
を介して体腔内に挿入される挿入部の先端にフレキシブ
ルな処置電極を有し、この処置電極を体腔内の病変組織
に接触させて処置電極に通電される高周波電流により病
変組織を焼灼する高周波処置具において、前記処置電極
の表面に導電性テフロンをコーティングしたものである
。したがって、生体組織の耐付着性および耐蝕性を向上
させることができ、信頼性及び安全性の高い高周波処置
具を提供できる。。Effects of the Invention As explained above, the present invention has a flexible treatment electrode at the tip of the insertion section inserted into the body cavity through an endoscope, etc., and the treatment electrode is inserted into the diseased tissue in the body cavity. This is a high-frequency treatment tool that cauterizes diseased tissue by applying a high-frequency current to the treatment electrode in contact with the treatment electrode, in which the surface of the treatment electrode is coated with conductive Teflon. Therefore, the adhesion resistance and corrosion resistance of living tissue can be improved, and a highly reliable and safe high-frequency treatment instrument can be provided. .
【図１】本発明の第１実施例を示す高周波処置具の概略
図。FIG. 1 is a schematic diagram of a high-frequency treatment instrument showing a first embodiment of the present invention.
【図２】同実施例における挿入部の先端部を示す断面図
。FIG. 2 is a cross-sectional view showing the distal end of the insertion section in the same embodiment.
【図３】図２のＡ−Ａ線に沿った断面図。FIG. 3 is a sectional view taken along line A-A in FIG. 2;
【図４】本発明に係る高周波処置具の第２実施例を示す
断面図。FIG. 4 is a sectional view showing a second embodiment of the high-frequency treatment instrument according to the present invention.
【図５】本発明に係る高周波処置具の第３実施例を示す
断面図。FIG. 5 is a sectional view showing a third embodiment of the high-frequency treatment instrument according to the present invention.
【図６】同実施例の変形例を示す断面図。FIG. 6 is a sectional view showing a modification of the same embodiment.
【図７】同じく第３実施例の変形例を示す断面図。FIG. 7 is a sectional view showing a modification of the third embodiment.
【図８】同じく第３実施例の変形例を示す断面図。FIG. 8 is a sectional view showing a modification of the third embodiment.
【図９】本発明に係る高周波処置具の第４実施例を示す
断面図。FIG. 9 is a sectional view showing a fourth embodiment of the high-frequency treatment instrument according to the present invention.
【図１０】同実施例の処置電極を示す図。FIG. 10 is a diagram showing the treatment electrode of the same example.
【図１１】本発明に係る高周波処置具の第５実施例を示
す断面図。FIG. 11 is a sectional view showing a fifth embodiment of the high-frequency treatment instrument according to the present invention.
【図１２】同実施例の処置電極を示す図。FIG. 12 is a diagram showing the treatment electrode of the same example.
【図１３】本発明に係る高周波処置具の第４実施例を示
す断面図。FIG. 13 is a sectional view showing a fourth embodiment of the high-frequency treatment instrument according to the present invention.
【図１４】同実施例の処置電極を示す図。FIG. 14 is a diagram showing the treatment electrode of the same example.
【図１５】同実施例の高周波処置具を用いて十二指腸内
のポリープを除去する場合の説明図。FIG. 15 is an explanatory diagram when a polyp in the duodenum is removed using the high-frequency treatment instrument of the same embodiment.
１…挿入部、２…処置電極、３…操作部、４…ワイヤ、
５…導電性テフロン、７…スライダ。DESCRIPTION OF SYMBOLS 1... Insertion part, 2... Treatment electrode, 3... Operation part, 4... Wire,
5... Conductive Teflon, 7... Slider.
Claims (1)
挿入部の先端にフレキシブルな処置電極を有し、この処
置電極を体腔内の病変組織に接触させて処置電極に通電
される高周波電流により病変組織を焼灼する高周波処置
具において、前記処置電極の表面に導電性テフロンをコ
ーティングしたことを特徴とする高周波処置具。Claim 1: A flexible treatment electrode is provided at the tip of an insertion section inserted into a body cavity through an endoscope or the like, and electricity is supplied to the treatment electrode by bringing the treatment electrode into contact with diseased tissue within the body cavity. A high-frequency treatment tool for cauterizing diseased tissue with high-frequency current, characterized in that the surface of the treatment electrode is coated with conductive Teflon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3006003A JPH04307055A (en) | 1991-01-22 | 1991-01-22 | High frequency processing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3006003A JPH04307055A (en) | 1991-01-22 | 1991-01-22 | High frequency processing apparatus |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10010465A Division JP3116031B2 (en) | 1998-01-22 | 1998-01-22 | High frequency treatment tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04307055A true JPH04307055A (en) | 1992-10-29 |
Family
ID=11626573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3006003A Pending JPH04307055A (en) | 1991-01-22 | 1991-01-22 | High frequency processing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04307055A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10500336A (en) * | 1994-05-13 | 1998-01-13 | ボストン サイエンティフィック コーポレイション | Device for diagnosis and treatment of bile duct trunk |
| US6712817B1 (en) | 1999-02-25 | 2004-03-30 | Olympus Optical Co., Ltd. | Treatment instrument for endoscope |
| JP2009045451A (en) * | 2007-08-17 | 2009-03-05 | Olympus Medical Systems Corp | Treatment device |
| JP2009527331A (en) * | 2006-02-22 | 2009-07-30 | カスタム メディカル アプリケーションズ インク． | Ablation instruments and related methods |
| WO2017130383A1 (en) * | 2016-01-29 | 2017-08-03 | オリンパス株式会社 | High-frequency treatment instrument |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5691743A (en) * | 1979-12-12 | 1981-07-24 | Corning Glass Works | Nonsticky electroconductive film and method |
| JPS56104655A (en) * | 1979-12-12 | 1981-08-20 | Corning Glass Works | Nonnsticking conductive film |
| JPS62211060A (en) * | 1986-03-12 | 1987-09-17 | オリンパス光学工業株式会社 | High frequency treatment tool |
-
1991
- 1991-01-22 JP JP3006003A patent/JPH04307055A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5691743A (en) * | 1979-12-12 | 1981-07-24 | Corning Glass Works | Nonsticky electroconductive film and method |
| JPS56104655A (en) * | 1979-12-12 | 1981-08-20 | Corning Glass Works | Nonnsticking conductive film |
| JPS62211060A (en) * | 1986-03-12 | 1987-09-17 | オリンパス光学工業株式会社 | High frequency treatment tool |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10500336A (en) * | 1994-05-13 | 1998-01-13 | ボストン サイエンティフィック コーポレイション | Device for diagnosis and treatment of bile duct trunk |
| US6712817B1 (en) | 1999-02-25 | 2004-03-30 | Olympus Optical Co., Ltd. | Treatment instrument for endoscope |
| JP2009527331A (en) * | 2006-02-22 | 2009-07-30 | カスタム メディカル アプリケーションズ インク． | Ablation instruments and related methods |
| US9265563B2 (en) | 2006-02-22 | 2016-02-23 | Custom Medical Applications, Inc. | Ablation instruments and related methods |
| JP2009045451A (en) * | 2007-08-17 | 2009-03-05 | Olympus Medical Systems Corp | Treatment device |
| US9345539B2 (en) | 2007-08-17 | 2016-05-24 | Olympus Corporation | Treatment device |
| WO2017130383A1 (en) * | 2016-01-29 | 2017-08-03 | オリンパス株式会社 | High-frequency treatment instrument |
| JP6250246B1 (en) * | 2016-01-29 | 2017-12-20 | オリンパス株式会社 | High frequency treatment tool |
| US11179174B2 (en) | 2016-01-29 | 2021-11-23 | Olympus Corporation | High-frequency treatment instrument and end effector |
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