JP2000126194A - Operating part of treating device for endoscope - Google Patents
Operating part of treating device for endoscopeInfo
- Publication number
- JP2000126194A JP2000126194A JP10303127A JP30312798A JP2000126194A JP 2000126194 A JP2000126194 A JP 2000126194A JP 10303127 A JP10303127 A JP 10303127A JP 30312798 A JP30312798 A JP 30312798A JP 2000126194 A JP2000126194 A JP 2000126194A
- Authority
- JP
- Japan
- Prior art keywords
- finger
- insertion hole
- endoscope
- fingers
- treatment tool
- 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.)
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- Surgical Instruments (AREA)
- Endoscopes (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、内視鏡の処置具
挿通チャンネルに挿通して使用される内視鏡用処置具の
操作部に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an operation section of an endoscope treatment tool used by being inserted into a treatment instrument insertion channel of an endoscope.
【０００２】[0002]
【従来の技術】軟性内視鏡、硬性内視鏡、超音波内視鏡
等各種の内視鏡に用いられる処置具は、一般に、内視鏡
の処置具挿通チャンネルに挿通されるシースの基端部に
連結された操作部からの遠隔操作によって、シースの先
端に設けられた先端処置部を動作させるようになってい
る。2. Description of the Related Art A treatment tool used for various endoscopes such as a flexible endoscope, a rigid endoscope, and an ultrasonic endoscope generally includes a sheath base inserted through a treatment tool insertion channel of the endoscope. The distal treatment section provided at the distal end of the sheath is operated by remote operation from an operation section connected to the end.
【０００３】図８は、内視鏡用生検鉗子等に広く用いら
れている操作部を示しており、操作者の手の親指が差し
込まれる親指差し込み孔８１ａが形成された第１の指掛
け８１が基端に設けられ、人指し指と中指を係合させる
ように略糸巻状に形成された第２の指掛け８２が、第１
の指掛け８１に対して接近／離隔自在に進退するように
設けられている。FIG. 8 shows an operation section widely used for an endoscope biopsy forceps and the like, and a first finger hook 81 having a thumb insertion hole 81a into which a thumb of an operator's hand is inserted. Is provided at the base end, and a second finger hook 82 formed in a substantially thread shape so as to engage the index finger and the middle finger is provided with the first finger hook 82.
Is provided so as to be able to approach / separate from / fingerly move the finger hook 81.
【０００４】第２の指掛け８２には、シース８０の軸線
位置に挿通された操作ワイヤ（図示せず）の基端が連結
されており、第１の指掛け８１に対して第２の指掛け８
２を接近／離隔操作することにより、操作ワイヤが進退
してシース８０の先端に設けられた鉗子カップが開閉す
る。[0004] The proximal end of an operation wire (not shown) inserted into the axis position of the sheath 80 is connected to the second finger hook 82, and the second finger hook 8 is connected to the first finger hook 81.
The operation wire advances and retreats, and the forceps cup provided at the distal end of the sheath 80 opens and closes by operating the approach / separation of 2.
【０００５】図９は、内視鏡用高周波スネア等に広く用
いられている操作部を示しており、操作者の手の親指が
差し込まれる親指差し込み孔９１ａが形成された第１の
指掛け９１が基端に設けられ、人指し指が差し込まれる
人指し指差し込み孔９２ａと中指が差し込まれる中指差
し込み孔９２ｂが形成された第２の指掛け９２が、第１
の指掛け９１に対して接近／離隔自在に進退するように
設けられている。FIG. 9 shows an operation unit widely used for a high-frequency snare for an endoscope or the like. A first finger hook 91 having a thumb insertion hole 91a into which a thumb of an operator's hand is inserted is formed. A second finger hook 92 provided at a base end and formed with a forefinger insertion hole 92a into which a forefinger is inserted and a middle finger insertion hole 92b into which a middle finger is inserted is formed by a first finger hook 92.
Is provided so as to be able to approach / separate freely from / to the finger hook 91.
【０００６】第２の指掛け９２には、シース９０の軸線
位置に挿通された操作ワイヤ（図示せず）の基端が連結
されており、第１の指掛け９１に対して第２の指掛け９
２を接近／離隔操作することにより、操作ワイヤが進退
してシース９０の先端に設けられたスネアワイヤが膨縮
する。[0006] The proximal end of an operation wire (not shown) inserted at the axial position of the sheath 90 is connected to the second finger hook 92, and the second finger hook 9 is connected to the first finger hook 91.
By operating the approach / separation of 2, the operation wire advances and retreats, and the snare wire provided at the distal end of the sheath 90 expands and contracts.
【０００７】[0007]
【発明が解決しようとする課題】図８に示されるような
糸巻形の指掛けを用いた操作部は、手軽に指を掛けたり
外したりし易いので、生検組織採取のように、処置具を
内視鏡の処置具挿通チャンネルに何度も繰り返し挿脱し
て処置を行うのに向いている。An operation section using a thread-shaped finger hook as shown in FIG. 8 is easy to hook and remove with a finger. It is suitable for performing treatment by repeatedly inserting and removing the treatment tool insertion channel of the endoscope many times.
【０００８】一方、図９に示されるように各指を差し込
むための三つの差し込み孔が形成された指掛けを用いた
操作部は、大腸ポリープ切除のように、処置具を内視鏡
の処置具挿通チャンネルに挿通したまま何度も繰り返し
処置を行うのに向いている。On the other hand, as shown in FIG. 9, an operation unit using a finger hook having three insertion holes for inserting respective fingers is used as a treatment tool for an endoscope, such as resection of a large intestine polyp. It is suitable for performing a treatment many times repeatedly while being inserted through the insertion channel.
【０００９】しかし、高周波電流によるポリープ切除等
は一歩間違えば非常に危険なことになるので、操作者が
神経を集中して処置操作を行ううちに指先に自然に力が
入ってしまうのが普通である。However, polyp resection by a high-frequency current or the like can be very dangerous if taken by a wrong step. Therefore, it is common for the operator to naturally apply force to his fingertips while performing a treatment operation while concentrating on nerves. It is.
【００１０】図１０は、そのような使用状態における内
視鏡用処置具の操作部を示しており、差し込み孔９１
ａ，９２ａ，９２ｂに差し込まれた操作者の指は、いず
れも差し込み孔９１ａ，９２ａ，９２ｂの枠に両端の二
箇所Ａ，Ｂずつで当たり（Ｂは指の裏側）、気が付くと
各指のその部分が凹んだままの状態に変形して真っ赤に
なり、痛みを覚える場合が少なくない。FIG. 10 shows the operation section of the treatment tool for an endoscope in such a use state.
The fingers of the operator inserted into the insertion holes 91a, 92a, and 92b hit the frame of the insertion holes 91a, 92a, and 92b at two positions A and B at both ends (B is the back side of the finger). The part is deformed into a dented state and turns red, often causing pain.
【００１１】そこで本発明は、操作者が神経を集中して
処置操作を行って指先に力が入っても、差し込み孔に差
し込まれた操作者の指が痛まない、使い易い内視鏡用処
置具の操作部を提供することを目的とする。Accordingly, the present invention provides an easy-to-use endoscopic treatment in which the operator's finger inserted into the insertion hole does not hurt even when the operator concentrates on the nerve and performs a treatment operation to apply a force to the fingertip. It is an object of the present invention to provide an operation unit of a tool.
【００１２】[0012]
【課題を解決するための手段】上記の目的を達成するた
め、本発明の内視鏡用処置具の操作部は、操作者の手の
親指が差し込まれる親指差し込み孔が形成された第１の
指掛けと、人指し指が差し込まれる人指し指差し込み孔
と中指が差し込まれる中指差し込み孔が形成された第２
の指掛けとが、接近／離隔自在に設けられて、上記第１
と第２の指掛けを接近／離隔操作することにより遠隔的
に処置操作が行われるようにした内視鏡用処置具の操作
部において、上記各差し込み孔に所定の指が所定の操作
状態に差し込まれたときに各指に触れる各差し込み孔の
壁面部分を、そこに触れる指の面に沿う略平面状に形成
したことを特徴とする。In order to achieve the above object, an operation section of a treatment tool for an endoscope according to the present invention has a first thumb insertion hole into which a thumb of an operator's hand is inserted. A finger hook, a second finger insertion hole into which a forefinger is inserted, and a second finger insertion hole into which a middle finger is inserted.
Is provided so as to be able to approach / separate freely, and the first
A predetermined finger is inserted into each of the insertion holes in a predetermined operation state in the operation section of the treatment tool for an endoscope in which a treatment operation is remotely performed by performing an approach / separation operation of the and the second finger hook. The wall surface portion of each insertion hole that touches each finger when the finger is touched is formed in a substantially planar shape along the surface of the finger that touches the insertion hole.
【００１３】なお、上記の平面状部分が、その差し込み
孔が形成されている指掛けに斜面状に形成されていても
よく、上記操作者の手が右手の場合でも左手の場合でも
上記各差し込み孔の壁面が指面に沿うように、上記平面
状部分が上記各指掛けの表裏両面から対称に上記各差し
込み孔に形成されていてもよい。また、上記第１と第２
の指掛けとが、相対的にねじれた向きに設けられていて
もよい。The flat portion may be formed in a slanted shape on the finger hook where the insertion hole is formed, and the insertion hole is formed regardless of whether the operator's hand is a right hand or a left hand. The flat portion may be formed in each of the insertion holes symmetrically from the front and back surfaces of each of the finger hooks so that the wall surface of the finger rests along the finger surface. In addition, the first and second
May be provided in a relatively twisted direction.
【００１４】[0014]
【発明の実施の形態】図面を参照して本発明の実施の形
態を説明する。図３は、経内視鏡的にポリープ切除を行
うための内視鏡用高周波スネアの操作部が操作者の手で
操作される状態を示している。手を取り除けば、図９に
示される操作部と同形状である。なお、本発明はスネア
以外の各種内視鏡用処置具の操作部に適用することがで
きる。Embodiments of the present invention will be described with reference to the drawings. FIG. 3 shows a state in which the operation unit of the high-frequency snare for an endoscope for performing endoscopic polypectomy is operated by an operator's hand. When the hand is removed, it has the same shape as the operation unit shown in FIG. The present invention can be applied to the operation unit of various endoscope treatment tools other than the snare.
【００１５】細長い棒状に形成された操作部本体３の先
端部分には、図示されていない内視鏡の処置具挿通チャ
ンネルに挿脱される可撓性のシース４の基端が、着脱可
能な連結ナット５により連結されている。A proximal end of a flexible sheath 4 which is inserted into and removed from a treatment tool insertion channel of an endoscope (not shown) is detachably attached to a distal end portion of the operating portion main body 3 formed in an elongated rod shape. They are connected by a connection nut 5.
【００１６】操作部本体３の基端には、操作者の手（右
手又は左手のいずれか一方の手）の親指が差し込まれる
親指差し込み孔１ａが形成された第１の指掛け１が設け
られている。A first finger hook 1 having a thumb insertion hole 1a into which the thumb of the operator's hand (either the right hand or the left hand) is inserted is provided at the base end of the operation unit main body 3. I have.
【００１７】また、操作部本体３に沿って進退自在に取
り付けられた第２の指掛け２には、操作者の人指し指が
差し込まれる人指し指差し込み孔２ａと中指が差し込ま
れる中指差し込み孔２ｂとが、操作部本体３を間に挟ん
でその両側に並列に形成されている。The second finger hook 2 attached to the operation unit main body 3 so as to be able to advance and retreat is provided with an index finger insertion hole 2a into which the index finger of the operator is inserted and a middle finger insertion hole 2b into which the middle finger is inserted. It is formed in parallel on both sides with the body 3 in between.
【００１８】人指し指差し込み孔２ａと中指差し込み孔
２ｂは、親指差し込み孔１ａと平行方向に形成されてお
り、第２の指掛け２を操作部本体３に沿って進退操作し
て第１の指掛け１に対して接近／離隔させることによ
り、シース４内に挿通された操作ワイヤ（図示せず）が
進退して、シース４の先端に設けられたスネアワイヤ
（図示せず）が膨縮し、遠隔的に処置操作を行うことが
できる。The index finger insertion hole 2a and the middle finger insertion hole 2b are formed in a direction parallel to the thumb insertion hole 1a, and the second finger hook 2 is moved forward and backward along the operation section main body 3 so as to be connected to the first finger hook 1. By approaching / separating the sheath 4, the operation wire (not shown) inserted into the sheath 4 advances and retreats, and the snare wire (not shown) provided at the distal end of the sheath 4 expands and contracts, thereby causing remote control. An action operation can be performed.
【００１９】図１と図２は、上述のように構成された内
視鏡用処置具の操作部の、第１の指掛け１と第２の指掛
け２のＩ−Ｉ断面とII−II断面を示しており、各差し込
み孔１ａ，２ａ，２ｂに所定の指が所定の操作状態に差
し込まれたときに各指に触れる各差し込み孔１ａ，２
ａ，２ｂの壁面部分Ａ，Ｂが、そこに触れる指の面に沿
う方向の略平面状になるように、指掛け１，２に対して
斜面状に形成されている。FIGS. 1 and 2 are sectional views taken along lines II and II-II of a first finger rest 1 and a second finger rest 2 of the operating portion of the endoscope treatment instrument constructed as described above. As shown, each of the insertion holes 1a, 2a, 2b touches each finger when a predetermined finger is inserted in a predetermined operation state into each of the insertion holes 1a, 2a, 2b.
The wall portions A and B of a and 2b are formed in a slanted shape with respect to the finger hooks 1 and 2 such that the wall portions A and B of the a and 2b have a substantially planar shape in a direction along the surface of the finger touching them.
【００２０】したがって、操作者が神経を集中して処置
操作を行ううちに指先に自然に力が入った状態で時間が
経過しても、各差し込み孔１ａ，２ａ，２ｂに通された
指が痛まない。Therefore, even when time elapses while the operator naturally concentrates on the fingertip while the operator performs the treatment operation while concentrating on the nerve, the finger passed through each of the insertion holes 1a, 2a, 2b is not removed. Does not hurt.
【００２１】図４は、本発明の第２の実施の形態の内視
鏡用処置具の操作部を示しており、図５及び図６はその
第１と第２の指掛け１，２のＶ−Ｖ断面及びVI−VI断面
を示している。FIG. 4 shows an operation section of a treatment tool for an endoscope according to a second embodiment of the present invention. FIGS. 5 and 6 show V and V of first and second finger hooks 1 and 2, respectively. FIG. 5 shows a V-section and a VI-VI section.
【００２２】この実施の形態においては、右手指と左手
指のどちらで操作しても指が平面状部分Ａ，Ｂに触れる
ように、平面状部分Ａ，Ｂが各指掛け１，２の表裏両面
から対称に各差し込み孔１ａ，２ａ，２ｂの内壁面に形
成されている。したがって、右利きの人及び左利きの人
のどちらも、上述の第１の実施の形態と同様に指を傷め
ることなく使用することができる。In this embodiment, the flat portions A and B are arranged so that the fingers touch the flat portions A and B regardless of which of the right and left fingers is operated. Are formed symmetrically on the inner wall surfaces of the insertion holes 1a, 2a, 2b. Therefore, both the right-handed person and the left-handed person can be used without damaging the finger as in the above-described first embodiment.
【００２３】図７は、本発明の第３の実施の形態の内視
鏡用処置具の操作部を示しており、第１の指掛け１と第
２の指掛け２とを、相対的にねじれた向きになるように
設けたものである。このように、各指掛け１，２は最も
操作し易い角度に設ければよい。FIG. 7 shows an operation section of a treatment tool for an endoscope according to a third embodiment of the present invention. The first finger hook 1 and the second finger hook 2 are relatively twisted. It is provided to be oriented. Thus, each of the finger hooks 1 and 2 may be provided at an angle at which the user can easily operate.
【００２４】[0024]
【発明の効果】本発明によれば、各差し込み孔に所定の
指が所定の操作状態に差し込まれたときに各指に触れる
各差し込み孔の壁面部分を、そこに触れる指の面に沿う
略平面状に形成したことにより、操作者が神経を集中し
て処置操作を行って指先に力が入った状態で時間が経過
しても、差し込み孔に差し込まれた操作者の指が痛ま
ず、長時間でも安心して安全に使用することができる。According to the present invention, when a predetermined finger is inserted into each insertion hole in a predetermined operation state, the wall surface portion of each insertion hole that touches each finger is formed along the surface of the finger touching the insertion hole. Due to the planar shape, even if the operator concentrates on the nerves and performs a treatment operation, and time passes with the fingertips in force, the operator's finger inserted into the insertion hole does not hurt, It can be used safely for a long time.
【図１】本発明の第１の実施の形態の第１の指掛けの図
３におけるＩ−Ｉ断面図である。FIG. 1 is a cross-sectional view of a first finger hook according to the first embodiment of the present invention, taken along the line II in FIG. 3;
【図２】本発明の第１の実施の形態の第２の指掛けの図
３におけるII−II断面図である。FIG. 2 is a cross-sectional view of the second finger hook according to the first embodiment of the present invention, taken along the line II-II in FIG. 3;
【図３】本発明の第１の実施の形態の内視鏡用処置具の
操作部が操作者の手で操作される状態の平面図である。FIG. 3 is a plan view showing a state in which an operation unit of the treatment tool for an endoscope according to the first embodiment of the present invention is operated by an operator's hand.
【図４】本発明の第２の実施の形態の内視鏡用処置具の
操作部の斜視図である。FIG. 4 is a perspective view of an operation unit of an endoscope treatment tool according to a second embodiment of the present invention.
【図５】本発明の第２の実施の形態の第１の指掛けの図
４におけるＶ−Ｖ断面図である。FIG. 5 is a cross-sectional view of the first finger hook according to the second embodiment of the present invention, taken along line VV in FIG. 4;
【図６】本発明の第２の実施の形態の第２の指掛けの図
４におけるVI−VI断面図である。FIG. 6 is a sectional view of the second finger hook according to the second embodiment of the present invention, taken along the line VI-VI in FIG. 4;
【図７】本発明の第３の実施の形態の内視鏡用処置具の
操作部の斜視図である。FIG. 7 is a perspective view of an operation unit of an endoscope treatment tool according to a third embodiment of the present invention.
【図８】第１の従来例の平面図である。FIG. 8 is a plan view of a first conventional example.
【図９】第２の従来例の平面図である。FIG. 9 is a plan view of a second conventional example.
【図１０】第２の従来例の内視鏡用処置具の操作部が操
作者の手で操作される状態の平面図である。FIG. 10 is a plan view showing a state in which an operation unit of a second conventional endoscope treatment tool is operated by an operator's hand.
１ 第１の指掛け １ａ 親指差し込み孔 ２ 第２の指掛け ２ａ 人指し指差し込み孔 ２ｂ 中指差し込み孔 ３ 操作部本体 Ａ，Ｂ 平面状部分 DESCRIPTION OF SYMBOLS 1 1st finger hook 1a Thumb insertion hole 2 2nd finger hook 2a Index finger insertion hole 2b Middle finger insertion hole 3 Operation part main body A, B Planar part
Claims (4)
込み孔が形成された第１の指掛けと、人指し指が差し込
まれる人指し指差し込み孔と中指が差し込まれる中指差
し込み孔が形成された第２の指掛けとが、接近／離隔自
在に設けられて、上記第１と第２の指掛けを接近／離隔
操作することにより遠隔的に処置操作が行われるように
した内視鏡用処置具の操作部において、 上記各差し込み孔に所定の指が所定の操作状態に差し込
まれたときに各指に触れる各差し込み孔の壁面部分を、
そこに触れる指の面に沿う略平面状に形成したことを特
徴とする内視鏡用処置具の操作部。1. A first finger hook having a thumb insertion hole into which a thumb of an operator's hand is inserted, and a second finger hook having an index finger insertion hole into which a forefinger is inserted and a middle finger insertion hole into which a middle finger is inserted. And an operation unit of the treatment tool for an endoscope, which is provided so as to be capable of approaching / separating freely and performing a treatment operation remotely by operating the first and second finger hooks to approach / separate. The wall portion of each insertion hole that touches each finger when a predetermined finger is inserted in a predetermined operation state into each of the insertion holes,
An operation unit for a treatment tool for an endoscope, wherein the operation unit is formed in a substantially planar shape along a surface of a finger touching the operation unit.
成されている指掛けに斜面状に形成されている請求項１
記載の内視鏡用処置具の操作部。2. The device according to claim 1, wherein the flat portion is formed in a slant shape on a finger hook having the insertion hole.
An operation unit of the treatment tool for an endoscope described in the above.
合でも上記各差し込み孔の壁面が指面に沿うように、上
記平面状部分が上記各指掛けの表裏両面から対称に上記
各差し込み孔に形成されている請求項１又は２記載の内
視鏡用処置具の操作部。3. When the operator's hand is a right hand or a left hand, the plane portion is symmetrically inserted from both the front and back surfaces of the finger hook so that the wall surface of each insertion hole is along the finger surface. The operation section of the treatment tool for an endoscope according to claim 1 or 2, wherein the operation section is formed in the hole.
じれた向きに設けられている請求項１、２又は３記載の
内視鏡用処置具の操作部。4. The operation section of an endoscope treatment tool according to claim 1, wherein the first and second finger hooks are provided in a relatively twisted direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10303127A JP2000126194A (en) | 1998-10-26 | 1998-10-26 | Operating part of treating device for endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10303127A JP2000126194A (en) | 1998-10-26 | 1998-10-26 | Operating part of treating device for endoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000126194A true JP2000126194A (en) | 2000-05-09 |
Family
ID=17917215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10303127A Pending JP2000126194A (en) | 1998-10-26 | 1998-10-26 | Operating part of treating device for endoscope |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000126194A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009031209A1 (en) * | 2009-07-01 | 2011-01-05 | Medwork Medical Products And Services Gmbh | Device for endoscopic removal of stones or concrements from bile and pancreatic duct or from foreign bodies and polyps, has rope guided into tube, at whose proximal end actuator element is arranged axial to displacement of rope within tube |
| US8246632B2 (en) | 2009-07-01 | 2012-08-21 | Medwork Medical Products And Services Gmbh | Device for endoscopic removal of stones or concrements from a bile and pancreatic duct or foreign bodies and polyps subsequent to polypectomy in the upper or lower gastrointestinal tract |
| CN103405250A (en) * | 2013-08-16 | 2013-11-27 | 于岭 | Combined forcep head bracket |
-
1998
- 1998-10-26 JP JP10303127A patent/JP2000126194A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009031209A1 (en) * | 2009-07-01 | 2011-01-05 | Medwork Medical Products And Services Gmbh | Device for endoscopic removal of stones or concrements from bile and pancreatic duct or from foreign bodies and polyps, has rope guided into tube, at whose proximal end actuator element is arranged axial to displacement of rope within tube |
| US8246632B2 (en) | 2009-07-01 | 2012-08-21 | Medwork Medical Products And Services Gmbh | Device for endoscopic removal of stones or concrements from a bile and pancreatic duct or foreign bodies and polyps subsequent to polypectomy in the upper or lower gastrointestinal tract |
| DE102009031209B4 (en) * | 2009-07-01 | 2020-02-20 | medwork GmbH | Device for the endoscopic removal of stones or concrements from a biliary or pancreatic duct or of foreign bodies and polyps after polypectomy in the upper or lower gastrointestinal tract |
| CN103405250A (en) * | 2013-08-16 | 2013-11-27 | 于岭 | Combined forcep head bracket |
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