JP2001275947A - Puncture needle control tool for endoscope - Google Patents

Puncture needle control tool for endoscope

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Publication number
JP2001275947A
JP2001275947A JP2000091906A JP2000091906A JP2001275947A JP 2001275947 A JP2001275947 A JP 2001275947A JP 2000091906 A JP2000091906 A JP 2000091906A JP 2000091906 A JP2000091906 A JP 2000091906A JP 2001275947 A JP2001275947 A JP 2001275947A
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section
handle
part
forceps
channel
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Pending
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JP2000091906A
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Japanese (ja)
Inventor
Toshihiro Sei
俊広 静
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Olympus Optical Co Ltd
オリンパス光学工業株式会社
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Abstract

PROBLEM TO BE SOLVED: To provide a puncture needle control tool for an endoscope in which a puncture switch is placed at a position required by a user and a handle section can be surely fixed at an inlet of a forceps channel of an endoscope.
SOLUTION: A female screw part 31a which is screwed into a male screw part 28a of the inlet 28 of the forceps channel is formed in the inner hole on a distal end side of a fixing ring 31. This fixing ring 31 is freely rotatable to the fitting part 32b of a cylinder 32. When the handle section 30 is arranged and fixed at the inlet 28 of the forceps channel, the distal guide part 32d of the cylinder 32 constituting the handle section 30 is hooked and arranged at the distal opening of the inlet 28 of the forceps channel and a trigger button 37 of a handle main body 33 is adjusted at the best position for an operator by rotatably operating the handle section 30 under this condition to rotata the fixing ring 31 as shown by an arrow mark. The trigger button 37 provided on the handle section 30 is made thereby in the required direction and the handle section 30 is screwed in and fixed on the control section 22.
COPYRIGHT: (C)2001,JPO

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【発明の属する技術分野】本発明は、内視鏡の鉗子チャンネルに挿通された穿刺針を観察部位に穿刺する際に使用する内視鏡用穿刺針操作器具に関する。 The present invention relates to relates to endoscopic puncture needle operating device for use in penetrating the inserted through puncture needle forceps channel of the endoscope observation site.

【0002】 [0002]

【従来の技術】近年、超音波内視鏡による超音波断層像観察下において、超音波断層像をガイドにして鉗子チャンネルを介して長尺の穿刺針を観察部位まで誘導して病変組織に突刺し、体組織を採取して病理確定診断を行う手技が行われている。 Recently, in the ultrasonic tomographic image under observation by the ultrasonic endoscope, piercing through the forceps channel by an ultrasonic tomographic image on the guide to induce the puncture needle of the long to the observation site diseased tissue and, procedures to carry out a pathological definitive diagnosis was collected body tissue is being carried out.

【0003】このような診断を行うため、例えば特開平9−103433号公報には超音波内視鏡の鉗子チャンネル入口に固定できる内視鏡用穿刺針操作補助器具が示されている。 [0003] Such for diagnosis, for example, in JP-A-9-103433 are shown an endoscopic puncture needle operation aid can be fixed to the forceps channel entrance of the ultrasonic endoscope. この内視鏡用穿刺針操作器具は、穿刺針の刺入動作を手動で行っているが、観察部位である体組織が比較的硬い場合には穿刺針の先端が刺さり難くかった。 The endoscopic puncture needle operating device, is performed a puncture operation of the puncture needle manually, when body tissue is observed region is relatively stiff did not hardly sticks the tip of the puncture needle.

【0004】このように硬く刺しにくい観察部位に対して穿刺を行う場合には、穿刺針の刺入動作を高速にすることで、このような部位に対して穿刺針を刺すことを可能になることが知られている。 [0004] When performing puncturing for such hard stab difficult observation site by the insertion operation of the puncture needle at high speed, made it possible to prick puncture needle with respect to such sites It is known. しかし、手動操作によって穿刺針を高速に突出させて目的部位に正確に穿刺針を刺入することは困難な作業であった。 However, it has been difficult task of piercing the precise puncture needle target site so as to protrude the puncture needle at high speed by manual operation.

【0005】この問題を改善するため、内視鏡用穿刺針操作器具にばね等の付勢部材を組み込み、穿刺針の刺入動作をこのばねの付勢力で行うものが提案されている。 [0005] To improve this problem, incorporation of biasing member such as a spring to the endoscopic puncture needle operating device, which performs insertion operation of the puncture needle by the urging force of the spring have been proposed.
この内視鏡用穿刺針操作器具には、穿刺針をばねの付勢力に抗して所定位置に係止させる係止機構や術者の意図するタイミングで係止状態を解除させて刺入動作することを可能にする穿刺針穿刺スイッチ(以下穿刺スイッチと略記する)等が、内視鏡用穿刺針操作器具を構成するハンドル部に設けられている。 The endoscopic puncture needle operation instrument insertion operation the needle against the biasing force of the spring to release the locked state at the intended timing of the locked to the locking mechanism and the operator in a predetermined position needle puncture switch that allows (hereinafter abbreviated as puncture switch) or the like is provided on the handle portion constituting the endoscopic puncture needle operating device.

【0006】そして、穿刺スイッチや係止機構等を設けた内視鏡用穿刺針操作器具のハンドル部は、このハンドル部に形成されている雌ネジ部を鉗子チャンネル入口に掲載されている雄ネジ部に螺合させることによって、前記鉗子チャンネル入口に一体的に固定されていた。 [0006] Then, the male screw handle portion of the endoscopic puncture needle operating device provided with a puncture switch or locking mechanism or the like, that the female screw portion formed on the handle portion are posted to the inlet forceps channel by screwing the parts had been integrally fixed to the forceps channel inlet.

【0007】 [0007]

【発明が解決しようとする課題】しかしながら、前記ハンドル部に形成されている雌ネジ部及び前記鉗子チャンネル入口に形成されている雄ネジ部のネジ切り位置を製造上において一定にすることが難しかったため、ハンドル部と鉗子チャンネル入口との組合せによっては前記ハンドル部を鉗子チャンネル入口に螺合固定したとき、ネジ切り位置の場所によっては固定状態のときは穿刺スイッチが使用者にとって操作のし難い位置に配置されることがあった。 [0007] However, since it is difficult to make constant the manufacture threading position of the male screw portion formed in the female screw portion and the forceps channel inlet is formed in the handle portion when the combination with the handle portion and the forceps channel inlet screwed fixing the handle portion to the inlet forceps channel, in some places the threaded positioned difficult position of the operation for puncturing the switch by the user when the locked state It was to be placed.

【0008】例えば、前記穿刺スイッチの位置が操作性の悪い位置になってしまった場合、穿刺スイッチを操作する際、内視鏡操作部を把持している左手の把持状態が不安定になるおそれがあった。 [0008] For example, when the position of the biopsy switch has become operability poor position, when operating the puncture switch, a risk that the gripping state of the left hand gripping the endoscope operation section becomes unstable was there.

【0009】本発明は上記事情に鑑みてなされたものであり、穿刺スイッチを使用者の所望する位置にしてハンドル部を内視鏡の鉗子チャンネル入口に確実に固定することの可能な内視鏡用穿刺針操作器具を提供することを目的にしている。 [0009] The present invention has been made in view of the above circumstances, an endoscope capable of be reliably fixed to the forceps channel entrance of an endoscope handle in the desired position of the puncture switch user It is the object to provide a use puncture needle operating device.

【0010】 [0010]

【課題を解決するための手段】本発明の内視鏡用穿刺針操作器具は、内視鏡操作部の鉗子チャンネル入口を介して鉗子チャンネル内に挿通され、体組織を採取する穿刺針を観察部位近傍に導く穿刺針案内部と、前記鉗子チャンネル入口に形成されている雄ネジ部に螺合固定され、 Means for Solving the Problems] endoscopic needle operating device of the present invention is inserted into the forceps channel through the forceps channel entrance of an endoscope operation section, observing the puncture needle for collecting a body tissue a puncture needle guide portion for guiding near the site, are fixedly screwed to the male screw portion formed in the forceps channel inlet,
前記穿刺針が前記観察部位に刺入するよう発射させる穿刺針穿刺スイッチを有するハンドル部とを具備する内視鏡用穿刺針操作器具であって、前記ハンドル部の先端部に、前記鉗子チャンネル入口に形成されている雄ネジ部に螺合する雌ネジ部を形成した先端部材を回動自在に配置している。 The endoscopic needle operating device comprising a handle portion having a puncture needle puncture switch of firing to the puncture needle is pierced into the observation site, the distal end of said handle portion, said forceps channel inlet It is arranged rotatably tip member formed with a female screw portion to be screwed to the male screw portion formed on.

【0011】この構成によれば、ハンドル部に設けた穿刺針穿刺スイッチを所望の位置に配置した状態にして、 According to this configuration, the puncture needle puncturing switch provided on the handle portion in a state that is at a desired position,
先端部材の雌ネジ部を鉗子チャンネル入口の雄ネジ部に螺合することにより、鉗子チャンネル入口にハンドル部を一体的に固定したとき穿刺針穿刺スイッチの向きが所望の位置になる。 By screwing the female screw portion of the tip member to the male screw portion of the inlet forceps channel, the orientation of the puncture needle puncture switch is in the desired position when it is fixed integrally to the handle portion to the inlet forceps channel.

【0012】 [0012]

【発明の実施の形態】以下、図面を参照して本発明の実施の形態を説明する。 BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, an embodiment of the present invention with reference to the drawings. 図1ないし図11は本発明の一実施の形態に係り、図1は鉗子チャンネル入口に内視鏡用穿刺針操作器具を配設した内視鏡装置を説明する図、図2は穿刺針の構成を説明する図、図3は穿刺針案内部材の構成を説明する図、図4は内視鏡用穿刺針操作器具の構成を説明する図、図5は固定リングと鉗子チャンネル入口との関係を説明する図、図6は図4に示すA−A線断面図、図7はシリンダの基端部に形成した抜け止め部の作用を説明する図、図8はシリンダとハンドル本体との着脱を説明する図、図9は穿刺針操作器具の操作状態を説明する図、図10は穿刺針操作器具を操作したときの穿刺針と観察部位との位置関係を説明する図、図11 1 to 11 relates to an embodiment of the present invention, FIG. 1 is a diagram illustrating an endoscope apparatus which is disposed an endoscopic puncture needle operation instrument inlet forceps channel, Figure 2 is a puncture needle illustrates a structure, Figure 3 illustrates a structure of a puncture needle guide member, Figure 4 illustrates a structure of the endoscope needle operating device, FIG 5 is the relationship between the fixed ring and the forceps channel inlet diagram for explaining, 6 a-a line cross-sectional view shown in FIG. 4, FIG. 7 is a diagram, Figure 8 illustrating the operation of the retaining portion formed at the base end portion of the cylinder attachment and detachment of the cylinder and the handle body the explaining figure 9 diagram for explaining the operation state of the puncture needle operating device, FIG. 10 is a diagram illustrating the positional relationship between the puncture needle and the observation region when operating the puncture needle operating device, FIG. 11
はトリガーボタンの操作状態を説明する図である。 It is a diagram for explaining an operation state of the trigger button.

【0013】なお、図4(a)は内視鏡用穿刺針操作器具の上面図、図4(b)は内視鏡用穿刺針操作器具の側面図、図5(a)は固定リング及び鉗子チャンネル入口の構成を説明する図、図5(b)はハンドル部を鉗子チャンネル入口に取り付ける取付け状態を説明する図、図7(a)はハンドル本体を移動させる状態を説明する図、図7(b)は押付部材が抜け止め部に当接した状態を示す図、図8(a)は押付部材と抜け止め部との位置関係を説明する図、図8(b)はシリンダとハンドル本体とを分離させた状態を示す図、図9(a)ないし図9 [0013] FIG. 4 (a) is a top view of an endoscopic puncture needle operation device, and FIG. 4 (b) side view of endoscopic puncture needle operating device, FIG. 5 (a) fixing ring and diagram illustrating the configuration of the inlet forceps channel, FIG. 5 (b) illustrating the mounting state of attaching the handle to the inlet forceps channel FIGS, 7 (a) is diagram illustrating a state of moving the handle body, FIG. 7 (b) shows the contact with the retaining portion is press member Figure 8 (a) is diagram illustrating the positional relationship between the retaining part and the pressing member, FIG. 8 (b) cylinder and handle body shows a state of being separated bets, 9 (a) to 9
(e)は穿刺針操作器具の操作状態を示す図、図10 (E) is a diagram showing an operation state of the puncture needle operation device, FIG. 10
(a)ないし図10(d)は穿刺針操作器具の操作状態に対応する穿刺針先端位置と観察部位との位置関係を示す図、図11(a)は内視鏡を把持している術者がトリガーボタンを操作している状態を示す図、図11(b) (A) to FIG. 10 (d) operator is being gripped figure 11 (a) shows an endoscope showing the positional relationship between the observed region and the puncture needle tip position corresponding to the operation state of the puncture needle operation device shows a state where the user is operating the trigger button, and FIG. 11 (b)
は穿刺針が発射されて指掛け部の先端面が調整筒の基端面に当接した状態を示す図である。 Is a diagram showing a state where the puncture needle is fired front end surface of the finger hook portion is in contact with the proximal end face of the adjustment tube.

【0014】図1に示すように本実施形態の内視鏡装置1は、超音波内視鏡2と内視鏡用穿刺針操作器具(以下穿刺針操作器具と略記する)3、超音波観測装置4とで主に構成されている。 [0014] The endoscope apparatus 1 of the present embodiment, as shown in FIG. 1, (hereafter abbreviated as the puncture needle operating device) ultrasonic endoscope 2 and the endoscope needle operating device 3, an ultrasonic observation It is mainly constituted by a device 4. 前記超音波内視鏡2は、体腔内に挿入され、先端部に例えば図示しない電子走査式の超音波送受信部を有する細長の挿入部21と、この挿入部2 The ultrasonic endoscope 2 is inserted into a body cavity, the insertion portion 21 of the elongated having an ultrasonic transmitting and receiving unit of the electronic scanning (not shown), for example the distal end, the insertion portion 2
1の基端に位置する操作部22と、この操作部22の基端に設けた接眼部23と、前記操作部22の側部から延出するユニバーサルコード24と、このユニバーサルコード24の基端部に設けられ前記超音波観測装置4に接続される超音波コネクタ25と、前記ユニバーサルコード24の例えば中途部から分岐する光源用ケーブル26 An operation portion 22 located on one of the proximal end, an eyepiece section 23 provided at the proximal end of the operation portion 22, a universal cord 24 extending from a side portion of the operation portion 22, group of the universal cord 24 provided at an end portion the ultrasonic connector 25 connected to the ultrasonic observation apparatus 4, the light source cable 26 which branches from the example middle portion of the universal cord 24
の基端部に設けられ光源装置(不図示)に接続される内視鏡コネクタ27とで構成されている。 Light source device is provided at the base end portion of which is composed of an endoscope connector 27 connected to a (not shown).

【0015】前記操作部22の先端側には内視鏡内に設けられている鉗子等が挿通される処置具チャンネルに連通する鉗子チャンネル入口28が設けられている。 The forceps channel inlet 28 which communicates is provided in the treatment instrument channel forceps or the like provided in the endoscope at the tip end of the operating portion 22 is inserted. この鉗子チャンネル入口28には前記穿刺針操作補助器具3 Wherein for this forceps channel inlet 28 puncture needle operation aid 3
を構成するハンドル部30が着脱自在に螺合固定されるようになっている。 Handle 30 configuration is adapted to be freely screwed fixing detachably a.

【0016】なお、前記鉗子チャンネル入口28からは前記穿刺針操作補助器具3を構成する穿刺針案内部となる後述する可撓性を有する金属製のコイルコイルシースが挿通されるようになっており、このコイルシース内に観察部位の体組織を採取するための後述する穿刺針5を内挿していくことによって、図に示すように内視鏡先端側から穿刺針5の先端部を突出させられるようになっている。 [0016] Incidentally, from the forceps channel inlet 28 serves as a metallic coil coil sheath having flexibility, which will be described later becomes a puncture needle guide portion constituting the puncture needle operation aid 3 is inserted by going interpolating the puncture needle 5 to be described later for collecting body tissue of the observed region within the coil sheath, as is protruded tip portion of the puncture needle 5 from the endoscope tip side as shown in FIG. It has become.

【0017】図2に示すように穿刺針5は、細長でパイプ形状の針管51と、この針管51の内孔に挿通配置されるスタイレット52とで構成されている。 The puncture needle 5 as shown in FIG. 2, the needle tube 51 of pipe shape elongated and, and a stylet 52 that is inserted and arranged in the inner hole of the needle tube 51. 前記針管5 The needle tube 5
1の基端部には口金部として針口金51aが設けられ、 Needle cap 51a is provided as the base part on the proximal end portion of the 1,
前記スタイレット52の基端部には口金部としてスタイレット口金52aがそれぞれ設けられている。 Wherein the proximal end of the stylet 52 is provided stylet cap 52a respectively as the base part.

【0018】前記針口金51aと前記スタイレット口金52aとは口金連結部を介して着脱自在な構成であり、 [0018] and the needle cap 51a and the stylet cap 52a is detachable freely configured via mouthpiece connecting part,
図に示す組み付け状態のとき、前記スタイレット52の先端部が前記針管51の先端から突出するようになっている。 When assembled state shown in FIG., The distal end portion of the stylet 52 is adapted to protrude from the tip of the needle tube 51. なお、前記針口金51aには、前記ハンドル部3 Note that the needle cap 51a, the handle portion 3
0を構成する後述するハンドル口金に対して着脱自在となる連結部51bが形成してある。 Connecting portions becomes detachable from the later-described handle cap constituting the 0 51b are is formed.

【0019】図3に示すように前記穿刺針5を、前記内視鏡2の図示しない鉗子チャンネルを介して体腔内の目的観察部位近傍まで導く穿刺針案内部材6は、主に内視鏡2の鉗子チャンネル内に挿通される内視鏡側コイルシース(以下第1コイルと略記する)61と、前記ハンドル部30内に配置されるハンドル側コイルシース(以下第2コイルと略記する)62と、この第2コイル62と前記第1コイル61との中途部に設けた口金部となるコイルシース口金63とで構成されている。 [0019] the puncture needle 5 as shown in FIG. 3, the puncture needle guide member 6 for guiding to a target observation region near the body cavity through the forceps channel (not shown) of the endoscope 2 is mainly endoscope 2 the endoscopic (hereinafter abbreviated as a first coil) mirror side coil sheath 61 which is inserted into the forceps channel, (hereinafter abbreviated as second coil) handle-side coil sheath disposed within the handle portion 30 and 62, this It is composed of a coil sheath mouthpiece 63 comprising a base part which is provided in the middle portion of the second coil 62 and the first coil 61. このコイルシース口金63は、前記ハンドル部30を構成する後述するハンドル本体に着脱可能に螺合固定される。 The coil sheath cap 63 is detachably screwed secured to the handle body to be described later constituting the handle portion 30. なお、前記第1コイル61は、前記内視鏡2の鉗子チャンネルと略同程度の長さ寸法になっている。 Incidentally, the first coil 61 is adapted to the length of the forceps channel and substantially the same degree of the endoscope 2.

【0020】図4(a),(b)に示すように穿刺針操作器具3のハンドル部30は、このハンドル部30の先端部材であり、前記内視鏡2の鉗子チャンネル入口28 [0020] FIG. 4 (a), the handle portion 30 of the puncture needle operating device 3 as shown in (b) is a tip of the handle portion 30, the endoscope 2 of the forceps channel inlet 28
との連結部となる管状の固定リング31と、この固定リング31を回動自在に配置する後述する取付け部を有し、長手方向に細長で第1つまみ部材11が移動するスライド用溝32aを設けたシリンダ32と、このシリンダ32の内孔に先端部側が摺動自在に配置され、前記第1つまみ部材11によって摺動される中空構造で略中央部に前記穿刺針5を硬く刺しにくい観察部位に向けて発射させる穿刺針穿刺スイッチとなるトリガーボタンを配設したハンドル本体33と、このハンドル本体33の外周面基端側に例えば螺合配置され、前記穿刺針5の突出量を調整する中空構造の調整筒34と、前記ハンドル本体33の内孔に進退可能に配置されこのハンドル本体3 A fixing ring 31 of the tubular to become a consolidated part with, has a mounting portion to be described later to place the fixing ring 31 rotatably, a sliding groove 32a of the first knob member 11 moves in elongated longitudinally a cylinder 32 provided, the distal end portion side in the inner hole of the cylinder 32 is slidably disposed, the puncture needle 5 the hard stab hardly observed on the substantially central portion in a hollow structure that is slid by the first pinch member 11 a handle body 33 which is disposed a trigger button which is a puncture needle puncturing switch to fire toward the site, are arranged screwed example on the outer peripheral surface proximal side of the handle body 33, to adjust the amount of protrusion of the puncture needle 5 an adjustment sleeve 34 of the hollow structure, wherein the handle body is arranged to be moved in the inner bore of the handle body 33 3
3内孔に配設した付勢手段である図示しないコイルバネによって先端側に所定力量で付勢され、指掛け部35a Biased by a predetermined force to the distal end side by a coil spring (not shown) is urging means which is disposed in 3 hole, finger grips 35a
を基端側に備えた中空構造のスライド部材35と、このスライド部材35の内孔に進退可能に挿通され、基端部に前記穿刺針5の針口金51aが連結されるハンドル口金36aを備えた基端パイプ36とで主に構成されている。 The slide member 35 of the hollow structure having a base end, are movably inserted into the inner hole of the slide member 35, a handle cap 36a of needle mouth 51a of the puncture needle 5 is connected to the base end portion in a proximal pipe 36 is mainly composed.

【0021】前記穿刺針案内部材6のコイルシース口金63は、破線に示すようにハンドル本体33の先端面部に螺合固定されている。 The coil sheath cap 63 of the puncture needle guide member 6 is fixedly screwed to the distal end surface portion of the handle body 33 as shown in broken lines. 前記トリガーボタン37には前記穿刺針を発射不可能にする規制状態と発射可能にする規制解除状態とを選択可能で、規制状態のときにはスイッチを機能させない安全装置(不図示)が設けてある。 The said trigger button 37 the biopsy needle in a selectable and restriction released state to allow firing with restricted state to disable firing, when the restricted state is a safety device (not shown) which does not function switch is provided.

【0022】前記ハンドル口金36aには斜線で示すように指標となる青、緑、黄色等の着色が施されており、 [0022] The blue, which is an index as shown by oblique lines in the handle cap 36a, green, has been decorated with colored yellow, etc.,
この外表面と同色に着色が施された指標を備えた針口金51aとスタイレット口金52aとを組み合わせた穿刺針5がこのハンドル部30に組み合わせて使用される。 The puncture needle 5 is colored the outer surface and the same color combination of a needle cap 51a and stylet cap 52a having an index has been subjected can be used in combination with the handle portion 30.

【0023】なお、符号12はスライド部材35とこのスライド部材35の内孔に挿通された基端パイプ36との相対的な位置関係を調整可能にする第2つまみ部材であり、この第2つまみ部材12を緩めた状態にすることによって前記基端パイプ36をスライド部材35に対して進退させて締め付けることによって所望の位置関係に設定することが可能になる。 [0023] Reference numeral 12 denotes a second knob member that allows adjusting the relative positional relationship between the slide member 35 and the base pipe 36 inserted through the inner hole of the slide member 35, the second knob it is possible to set to a desired positional relationship by clamping by advancing and retracting the proximal end pipe 36 to the slide member 35 by a state of loosening the member 12.

【0024】また、符号32cはシリンダ32とハンドル本体33との相対的位置関係を調整する際、前記シリンダ32から第1つまみ部材11が螺合状態のハンドル本体33から脱落することを防止する抜け止め部である。 Further, reference numeral 32c is when adjusting the relative positional relationship between the cylinder 32 and the handle body 33, exit to prevent the first knob member 11 from the cylinder 32 to fall off from the handle body 33 of the screwed state a retaining portion.

【0025】さらに、符号34aは穿刺針5を突出させる際、トリガーボタン37を操作する手が調整筒34と指掛け部35aとの間に挟まれることを防止するための安全板である。 Furthermore, reference numeral 34a is when projecting the puncture needle 5, is safe plate for preventing the hand operating the trigger button 37 is sandwiched between the adjusting cylinder 34 and the finger hook portion 35a.

【0026】図5(a)に示すように前記固定リング3 [0026] The locking ring 3 as shown in FIG. 5 (a)
1の先端部側内孔には前記鉗子チャンネル入口28の端部に形成されている雄ネジ部28aに螺合する雌ネジ部31aが形成されており、この固定リング31が前記シリンダ32の先端部に形成されている取付け部32bに回動自在に配置されている。 1 of the distal end portion side bore is formed a female threaded portion 31a screwed to the male screw portion 28a formed at the end portion of the forceps channel inlet 28, the distal end the fixing ring 31 of the cylinder 32 It is rotatably disposed in the mounting portion 32b formed in the part. なお、符号32dは前記鉗子チャンネル入口28の先端開口に係入される先端案内部であり、符号13は前記第1コイル61を支持するとともに水密を保持するOリング等の弾性部材である。 Reference numeral 32d is a front end guide portion that is engaged into the front end opening of the forceps channel inlet 28, reference numeral 13 is an elastic member such as an O-ring for holding the watertight while supporting the first coil 61.

【0027】図5(b)に示すようにハンドル部30を鉗子チャンネル入口28に配置固定する際には、まずハンドル部30を構成するシリンダ32の先端案内部32 [0027] Figure 5 the handle portion 30 as shown in (b) when placing fixed to the forceps channel inlet 28, first tip guide part 32 of the cylinder 32 of the handle portion 30
dを前記鉗子チャンネル入口28の先端開口に係入配置し、この状態で前記ハンドル部30を回転操作して前記ハンドル本体33に設けられているトリガーボタン37 The d and engaging enter disposed at the distal end opening of the forceps channel inlet 28, a trigger button 37 provided on the handle body 33 by rotating the said handle part 30 in this state
を術者の作業性の良好な位置に調整配置する。 The adjusted arranged in good position of the operator's workability. その後、 after that,
固定リング31を矢印に示すように回転させる。 Rotating the fixing ring 31 as indicated by an arrow. このことによって、ハンドル部30に設けられているトリガーボタン37を所望の向きである例えば図1に示す位置に配置させた状態にして前記操作部22にハンドル部30 This allows the handle portion 30 of the trigger button 37 provided in the handle portion 30 to the operation portion 22 in the state of being disposed in the position shown in FIG. 1 for example, a desired orientation
が一体的に螺合固定される。 There is integrally screwed fixed.

【0028】このように、ハンドル部の先端部に、操作部から突出する鉗子チャンネル入口に形成されている雄ネジ部に螺合する雌ネジ部を形成した固定リングを回動自在に設けたことによって、ハンドル部に設けられいるトリガーボタンを術者にとって操作のし易い所望の方向に向けた状態にしてこのハンドル部を操作部に固定することができる。 [0028] Thus, the distal end of the handle portion, the fixed ring forming a female thread portion to be screwed to the male screw portion formed on the forceps channel inlet protruding from the operation unit is provided rotatably It makes it possible in a state where in a desired direction easily in operating the trigger buttons on the handle portion for the operator to secure the handle portion to the operation portion. このことによって、検査中にトリガーボタンを操作する際、操作部を握りなおす等の余計な動作を行うことなく、スムーズにボタン操作を行って所望の観察部位に穿刺針を容易且つ確実に穿刺して体組織の採取を行える。 This fact, when operating the trigger button during testing, without undue operations such as re grip the operating portion, smoothly performing a button operation of the puncture needle easily and reliably puncture a desired observation site It carried out the collection of body tissue Te.

【0029】図6に示すように前記ハンドル本体33の先端部には、一端部に雄ネジ部14aを形成した軸部材14が長手軸方向に対して直交する向きに突設されており、この軸部材14が前記スライド用溝32aから突出している。 [0029] distal end portion of the handle body 33 as shown in FIG. 6, the shaft member 14 forming the male screw portion 14a at one end are protruded in a direction perpendicular to the longitudinal axis, this the shaft member 14 is protruded from the slide groove 32a. そして、前記軸部材14の雄ネジ部14aには前記第1つまみ部材11の中央貫通孔に形成されている雌ネジが螺合するようになっている。 Then, the male screw portion 14a of the shaft member 14 a female screw is formed in the central through hole of the first knob member 11 is adapted to be screwed.

【0030】前記軸部材14には前記シリンダ32の外周面を押圧する押圧面15aを備えた金属製の押付部材15が遊嵌配置されている。 [0030] The said shaft member 14 made of metal pressing member 15 having a pressing surface 15a for pressing the outer peripheral surface of the cylinder 32 is loosely fitted arranged. このため、前記軸部材14 Thus, the shaft member 14
の雄ネジ部14aに螺合配置されている前記第1つまみ部材11を回転させてシリンダ32側(締め付ける方向)に移動させていくことによって、前記押付部材15 By gradually moving by rotating the first knob member 11 which is screwed disposed on the cylinder 32 side (direction of tightening) the external thread portion 14a of the pressing member 15
がシリンダ側に移動されて押圧面15aがシリンダ32 The pressing surface 15a is the cylinder 32 but is moved to the cylinder side
の外周面を押圧してシリンダ32とハンドル本体33との相対的位置関係が固定状態になる。 The relative positional relationship between the cylinder 32 and the handle body 33 is in a fixed state an outer peripheral surface is pressed in.

【0031】一方、前記第1つまみ部材11を上述とは逆方向(緩める方向)に回転させて、この第1つまみ部材11を反シリンダ32側に移動させていくことによって、前記押付部材15の押圧面15aがシリンダ32の外周面を押圧する力量が徐々に減少してなくなり、シリンダ32とハンドル本体33とが摺動状態になって相対的位置関係の調整を行える。 On the other hand, said the first knob member 11 described above is rotated in the reverse direction (loosening direction), by going to move the first pinch member 11 in a counter-cylinder 32 side, of the pressing member 15 It eliminates the pressing surface 15a is decreased gradually force that presses the outer peripheral surface of the cylinder 32, allows the adjustment of the relative positional relationship between the cylinder 32 and the handle body 33 becomes the sliding state.

【0032】したがって、図7(a)に示すように前記鉗子チャンネル入口28に固定リング31を螺合してハンドル部30を操作部22に一体的に固定した状態のとき、第1つまみ部材11を実線に示す固定状態位置から一点鎖線に示す摺動状態位置まで移動させることによって、前記押付部材15の押圧面15aがシリンダ32の外周面を押圧する力量がなくなって、ハンドル本体33 [0032] Accordingly, a state in which it is fixed integrally to the forceps channel inlet 28 to the locking ring 31 screwed operation portion 22 of the handle portion 30, as shown in FIG. 7 (a), first pinch member 11 the by moving to the sliding state position shown in dashed line from the fixed state the position shown in solid line, the pressing surface 15a of the pressing member 15 is no longer competent to press the outer peripheral surface of the cylinder 32, the handle body 33
を矢印方向に移動させられるようになる。 The so is moved in the direction of the arrow.

【0033】この状態で、ハンドル本体33を矢印方向の所望の位置まで移動させ、再び第1つまみ部材11を実線の位置まで締め込むことによってハンドル本体33 [0033] In this state, the handle body 33 by moving the handle body 33 to a desired position in the arrow direction, tightening the first knob member 11 to the solid line position again
とシリンダ32との相対的位置関係が所望の位置に調整される。 The relative positional relationship between the cylinder 32 is adjusted to a desired position with. このとき、万一、前記ハンドル本体33を勢いよく矢印方向に移動させてしまった場合でも、図7 At this time, the unlikely event that had moved the handle body 33 forcefully in the direction of the arrow, Fig. 7
(b)に示すように押付部材15が抜け止め部32cに当接してこのハンドル本体33がシリンダ32から抜け出ることを防止することができる。 The handle body 33 abuts the stop portion 32c omission pressing member 15 as shown in (b) can be prevented from being withdrawn from the cylinder 32.

【0034】そして、前記シリンダ32と前記ハンドル本体33とを分離させる際には前記第1つまみ部材11 [0034] Then, the when to separate the cylinder 32 and the said handle body 33 is the first pinch member 11
をさらに緩める方向に回転させる。 Further rotation in the loosening direction. このことによって、 By this thing,
図8(a)に示すように押付部材15の押圧面15a側が前記抜け止め部32cを通過する高さまで移動可能になり、この押付部材15を持ち上げた状態で前記ハンドル本体33を矢印方向に移動させていくことにより、前記押付部材15が前記抜け止め部32cの外周部分を通過して、図8(b)に示すように前記ハンドル本体33 Figure 8 becomes movable to the height of the pressing surface 15a side of the pressing member 15 as shown in (a) passes through the retaining portion 32c, moves the handle body 33 in the arrow direction while lifting the pressing member 15 by going by, the passes through the outer peripheral portion of the pressing member 15 is the retaining portion 32c, the as shown in FIG. 8 (b) the handle body 33
とシリンダ32とが分離される。 And the cylinder 32 are separated.

【0035】なお、前記押圧面15aの内周面半径は、 [0035] Incidentally, the inner circumferential surface radius of the pressing surface 15a is
前記シリンダ32の外周面半径より小さく設定してある。 It is set smaller than the outer circumferential surface radius of the cylinder 32. このことにより、前記第1つまみ部材11を締め付けて押付部材15の押圧面15aでシリンダ32の外周面を押圧した際、前記スライド用溝32aの幅寸法を狭めるような押圧力が作用して強固な固定力が得ることができる。 Thus, when pressed to the outer peripheral surface of the cylinder 32 in the pressing surface 15a of the pressing member 15 by tightening the first knob member 11, firmly pressing force that narrow the width of the sliding groove 32a acts can Do the fixing force is obtained.

【0036】ここで、図9ないし図11を参照して上述のように構成した穿刺針操作器具3の動作及び作用を説明する。 [0036] Here, the operation and effect of the puncture needle operating device 3 configured as described above with reference to FIGS. まず、前記内視鏡2の挿入部先端部を目的部位近傍に対向するように挿入配置し、この状態で内視鏡2 First, the insertion portion distal end of the endoscope 2 inserted disposed so as to face the vicinity of the target site, the endoscope 2 in this state
の鉗子チャンネル入口28より穿刺針操作器具3の穿刺針5が収納状態になっている第1コイル61を鉗子チャンネル内に導入していく。 The first coil 61 of the puncture needle 5 of the puncture needle operating device 3 from the forceps channel inlet 28 is in the retracted state will be introduced into the forceps channel.

【0037】そして、前記穿刺針操作器具3の固定リング31の雌ネジ部31aとを鉗子チャンネル入口28の雄ネジ部28aとを螺合し、前記ハンドル部30のトリガーボタン37を所望の向きに配置して操作部22に一体的に螺合固定する。 [0037] Then, the a female screw portion 31a of the fixing ring 31 of the puncture needle operating device 3 is screwed to the male screw portion 28a of the forceps channel inlet 28, a trigger button 37 of the handle portion 30 in a desired orientation integrally screwed fixed to the operation unit 22 arranged to. このとき、図9(a)に示すようにハンドル本体33をシリンダ32の最後端側に位置させているため、図10(a)に示すように第1コイル6 At this time, since the handle body 33 is positioned at the rearmost end side of the cylinder 32 as shown in FIG. 9 (a), the first coil as shown in FIG. 10 (a) 6
1の先端より突出しない状態になっている。 In a state that does not protrude from the first tip. また、基端パイプ36を最基端側に配置しているため、穿刺針5の先端が第1コイル61の先端よりわずかに基端側に位置した状態になっている。 Further, since the arranged base pipe 36 to the most proximal end side is in a state where the tip of the puncture needle 5 is positioned slightly proximal to the distal end of the first coil 61.

【0038】次に、内視鏡2の光学視野若しくは超音波画像の観察下において、図9(b)に示すように第1つまみ部材11を緩め、この第1つまみ部材11をスライド用溝32aに沿って矢印に示すように先端側に移動させる。 Next, the observation of a endoscope 2 of the optical field or ultrasound images, loosen the first knob member 11, as shown in FIG. 9 (b), the slide groove 32a of the first pinch member 11 move distally as shown by the arrow along. このことによって、前記第1つまみ部材11を設けたハンドル本体33が先端側に前進して、図10 This allows the handle body 33 provided with the first knob member 11 is advanced distally, 10
(b)に示すように前記第1コイル61先端を硬化した目的観察部位の体腔壁近くに配置する。 It is placed near the body cavity wall of objective observation region formed by curing a first coil 61 the tip as shown in (b). ここで、再び前記第1つまみ部材11を締め込んでシリンダ32に対するハンドル本体33の位置を強固に固定する。 Here, firmly fix the position of the handle body 33 relative to the cylinder 32 crowded again tighten said first pinch member 11.

【0039】次いで、第2つまみ部材12を緩め、図9 [0039] Then, loosen the second knob member 12, FIG. 9
(c)に示すようにハンドル口金36a,針口金51 Handle cap 36a as shown in (c), the needle cap 51
a,スタイレット口金52aを一体に構成したスライド部を矢印に示すように先端側に移動させる。 a, the stylet cap 52a moves the slide portion which is integrally formed to the tip side as indicated by an arrow. このことによって、図10(c)に示すように針管51及びスタイレット52が一体になって硬化した目的観察部位に到達する。 Thereby, the needle tube 51 and stylet 52, as shown in FIG. 10 (c) to reach their intended observation region cured in unison. そして、再び前記第2つまみ部材12を締め込んで、基端パイプ36と指掛け部35aとを一体固定する。 The crowded again tightening the second knob member 12, integrally fixed to a proximal pipe 36 and the finger hook portion 35a.

【0040】次に、この状態で、超音波画像を観察して穿刺針5を突出させる距離の測定を行い、図9(d)に示すようにハンドル本体33に対して調整筒34を矢印方向に回転移動させて測定距離が突出長となるように位置調整を行う。 Next, in this state, subjected to measurement of the distance to project the puncture needle 5 by observing the ultrasound image, the direction of the arrow adjustment sleeve 34 relative to the handle body 33 as shown in FIG. 9 (d) measured distance by rotating movement to adjust the position so that the projecting length.

【0041】ここで、図11(a)に示すようにトリガーボタン37を操作して穿刺針5を硬化した目的観察部位に向けて発射させる。 [0041] Here, to fire toward the object observation region formed by curing a puncture needle 5 by operating the trigger button 37 as shown in FIG. 11 (a). すると、図9(e)に示すように前記指掛け部35aの先端面が調整筒34の基端面に当接するように前記コイルバネの付勢力によって高速に移動して図10(d)に示すように硬化した目的観察部位に穿刺針が刺入した状態になる。 Then, as shown in FIG. 10 (d) the distal end surface of the finger hook portion 35a is moved at high speed by the urging force of the coil spring so as to contact the proximal end face of the adjustment sleeve 34 as shown in FIG. 9 (e) cured object observation region to the puncture needle is puncturing state.

【0042】このとき、図11(b)に示すように安全板34aの外周面と前記指掛け部35aに配置されている第2つまみ部材12の上面との位置関係が略同一高さに設定されているので、前記トリガーボタン37を操作した手指が指掛け部35aと調整筒34との間に挟まれることが防止される。 [0042] At this time, the positional relationship between the upper surface of the second knob member 12 which is disposed on the outer peripheral surface and the finger hook portion 35a of the safety plate 34a as shown in FIG. 11 (b) are set to substantially the same height as since it is, the finger which operates the trigger button 37 is prevented from being sandwiched between the adjustment cylinder 34 and the finger holder 35a.

【0043】尚、本発明は、以上述べた実施形態のみに限定されるものではなく、発明の要旨を逸脱しない範囲で種々変形実施可能である。 [0043] The present invention is not limited to the embodiment described above, and various modifications may be implemented without departing from the scope of the invention.

【0044】[付記] (1)内視鏡操作部の鉗子チャンネル入口を介して鉗子チャンネル内に挿通され、体組織を採取する穿刺針を観察部位近傍に導く穿刺針案内部と、前記鉗子チャンネル入口に形成されている雄ネジ部に螺合固定され、前記穿刺針が前記観察部位に刺入するよう発射させる穿刺針穿刺スイッチを有するハンドル部とを具備する内視鏡用穿刺針操作器具において、前記ハンドル部の先端部に、前記鉗子チャンネル入口に形成されている雄ネジ部に螺合する雌ネジ部を形成した先端部材を回動自在に配置した内視鏡用穿刺針操作器具。 [0044] [Appendix] is inserted into the forceps channel through the forceps channel inlet (1) endoscope operation portion, a puncture needle guide portion for guiding a puncture needle for collecting body tissue observed region near the forceps channel is fixedly screwed to the male screw portion formed at the entrance, the endoscopic puncture needle operating device which the puncture needle is provided with a handle portion having a puncture needle puncture switch of firing to pierce the said observation region , the distal end of said handle portion, an endoscopic puncture needle operating device arranged tip member formed with a female screw portion to be screwed to the male screw portion formed in the forceps channel inlet rotatably.

【0045】(2)前記ハンドル部は、先端部材、シリンダ、このシリンダに対して摺動自在なハンドル本体、 [0045] (2) the handle part, the tip member, the cylinder, a slidable handle body relative to the cylinder,
このハンドル本体に対して移動可能な調整筒、前記指掛け部を有するスライド部材及びこのスライド部材に摺動自在に配置される基端パイプとで構成し、前記シリンダとハンドル本体との相対位置の調整を、ハンドル本体に固設した軸部材に螺合したつまみ部材を移動させて、前記押付部材の押圧面が前記シリンダの外周面を押圧する力量を変化させて行うとき、前記押圧部材の押圧面を形成する内周面半径をシリンダの外周面半径より小さく設定した付記1記載の内視鏡用穿刺針操作器具。 The movable adjusting cylinder with respect to the handle body, composed of a slide member and the proximal pipe is slidably disposed in the sliding member having the finger hook portion, adjustment of the relative position between the cylinder and the handle body and by moving the knob member screwed to the shaft member fixed to the handle body, when the pressing surface of said pressing member is carried out by changing the force that presses the outer peripheral surface of the cylinder, the pressing surface of the pressing member endoscopic puncture needle operating device of the peripheral surface radius Supplementary note 1, wherein the set smaller than the outer circumferential surface radius of a cylinder for forming an.

【0046】(3)前記シリンダの基端部に前記シリンダとハンドル本体とが摺動状態のとき前記押付部材が当接する抜け止め部を設けた付記2記載の内視鏡用穿刺針操作器具。 [0046] (3) The endoscopic puncture needle operating device of the pressing member is provided with a retaining portion abuts note 2, wherein when said cylinder and the sliding state and the handle body to the proximal end of the cylinder.

【0047】(4)前記調整筒の基端部に、トリガーボタンを操作する術者の手指が前記指掛け部と前記調整筒との間に挟まれることが防止する安全板を設けた付記2 [0047] (4) the the proximal end portion of the adjusting cylinder, Appendix operator's fingers to operate the trigger button is provided with a safety plate that is prevented that interposed between the adjusting barrel and the finger hook portion 2
記載の内視鏡用穿刺針操作器具。 Endoscopic puncture needle operating device according.

【0048】 [0048]

【発明の効果】以上説明したように本発明によれば、穿刺スイッチを使用者の所望する位置にしてハンドル部を内視鏡の鉗子チャンネル入口に確実に固定することの可能な内視鏡用穿刺針操作器具を提供することができる。 According to the present invention as described in the foregoing, a possible endoscope possible to reliably fix the desired forceps channel entrance of an endoscope handle in the position of the puncture switch user it is possible to provide a puncture needle operating device.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】図1ないし図11は本発明の一実施の形態に係り、図1は鉗子チャンネル入口に内視鏡用穿刺針操作器具を配設した内視鏡装置を説明する図 FIG. 1 to FIG. 11 relates to an embodiment of the present invention, FIG. 1 illustrates an endoscope apparatus which is disposed an endoscopic puncture needle operation instrument inlet forceps channel Figure

【図2】穿刺針の構成を説明する図 Figure 2 illustrates a structure of a puncture needle

【図3】穿刺針案内部材の構成を説明する図 Figure 3 illustrates a structure of a puncture needle guide member

【図4】内視鏡用穿刺針操作器具の構成を説明する図 Diagram illustrating the configuration of Figure 4 endoscopic puncture needle operating device

【図5】固定リングと鉗子チャンネル入口との関係を説明する図 FIG. 5 is a diagram for explaining the relationship between the fixed ring and the forceps channel entrance

【図6】図4に示すA−A線断面図 [6] A-A line cross-sectional view shown in FIG. 4

【図7】シリンダの基端部に形成した抜け止め部の作用を説明する図 7 is a diagram illustrating the operation of the retaining portion is formed on the base end portion of the cylinder

【図8】シリンダとハンドル本体との着脱を説明する図 8 is a diagram illustrating attachment and detachment of the cylinder and the handle body

【図9】穿刺針操作器具の操作状態を説明する図 9 illustrates an operation state of the puncture needle operation device

【図10】穿刺針操作器具を操作したときの穿刺針と観察部位との位置関係を説明する図 Diagram illustrating the positional relationship between the puncture needle and the observation region when operating the Figure 10 needle operating device

【図11】トリガーボタンの操作状態を説明する図 FIG. 11 is a diagram illustrating the operational state of the trigger button

【符号の説明】 DESCRIPTION OF SYMBOLS

28…鉗子チャンネル入口 28a…雄ネジ部 30…ハンドル部 31…固定リング 31a…雌ネジ部 32…シリンダ 32b…取付け部 28 ... forceps channel inlet 28a ... male screw portion 30 ... handle portion 31 ... fixing ring 31a ... female screw portion 32: cylinder 32 b ... mounting portion

Claims (1)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 内視鏡操作部の鉗子チャンネル入口を介して鉗子チャンネル内に挿通され、体組織を採取する穿刺針を観察部位近傍に導く穿刺針案内部と、前記鉗子チャンネル入口に形成されている雄ネジ部に螺合固定され、前記穿刺針が前記観察部位に刺入するよう発射させる穿刺針穿刺スイッチを有するハンドル部とを具備する内視鏡用穿刺針操作器具において、 前記ハンドル部の先端部に、前記鉗子チャンネル入口に形成されている雄ネジ部に螺合する雌ネジ部を形成した先端部材を回動自在に配置したことを特徴とする内視鏡用穿刺針操作器具。 Is inserted to claim 1 endoscope inside the forceps channel through the forceps channel inlet of the operation portion, a puncture needle guide portion for guiding a puncture needle for collecting body tissue observation site near is formed in the forceps channel inlet and has been screwed fixed to the male screw portion, the endoscopic puncture needle operating device which the puncture needle is provided with a handle portion having a puncture needle puncture switch of firing to pierce the said observation site, said handle portion of the tip portion, an endoscopic puncture needle operating device, characterized in that a tip member formed with a female screw portion to be screwed to the male screw portion formed in the forceps channel inlet rotatably.
JP2000091906A 2000-03-29 2000-03-29 Puncture needle control tool for endoscope Pending JP2001275947A (en)

Priority Applications (1)

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Applications Claiming Priority (1)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005025432A1 (en) * 2003-09-09 2005-03-24 Olympus Corporation Treatment tool for endoscope
JP2005080883A (en) * 2003-09-09 2005-03-31 Olympus Corp Treating instrument for endoscope
JP2006187471A (en) * 2005-01-06 2006-07-20 Olympus Medical Systems Corp Treatment instrument for endoscope
WO2007069592A1 (en) * 2005-12-13 2007-06-21 Olympus Medical Systems Corp. Treatment device for endoscope
JP2007236684A (en) * 2006-03-09 2007-09-20 Fujinon Corp Puncturing device
JP2008522741A (en) * 2004-12-08 2008-07-03 ビンモエラー,ケネス Method and apparatus for needle guided therapy performed
JP2009090106A (en) * 2007-10-05 2009-04-30 Tyco Healthcare Group Lp Visual obturator
CN103211569A (en) * 2013-04-25 2013-07-24 中国人民解放军成都军区总医院 Endoscope self-help biopsy all-in-one device and operating method thereof
US9364259B2 (en) 2009-04-21 2016-06-14 Xlumena, Inc. System and method for delivering expanding trocar through a sheath
US9381041B2 (en) 2009-04-21 2016-07-05 Xlumena, Inc. Methods and devices for access across adjacent tissue layers
US9888926B2 (en) 2009-05-29 2018-02-13 Boston Scientific Scimed, Inc. Apparatus and method for deploying stent across adjacent tissue layers

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005080883A (en) * 2003-09-09 2005-03-31 Olympus Corp Treating instrument for endoscope
WO2005025432A1 (en) * 2003-09-09 2005-03-24 Olympus Corporation Treatment tool for endoscope
JP4593096B2 (en) * 2003-09-09 2010-12-08 オリンパス株式会社 Endoscopic treatment tool
US7935106B2 (en) 2003-09-09 2011-05-03 Olympus Corporation Treatment tool for endoscope
US8328837B2 (en) 2004-12-08 2012-12-11 Xlumena, Inc. Method and apparatus for performing needle guided interventions
JP2008522741A (en) * 2004-12-08 2008-07-03 ビンモエラー,ケネス Method and apparatus for needle guided therapy performed
JP2006187471A (en) * 2005-01-06 2006-07-20 Olympus Medical Systems Corp Treatment instrument for endoscope
US9033865B2 (en) 2005-12-13 2015-05-19 Olympus Medical Systems Corp. Treatment tool for endoscope
WO2007069592A1 (en) * 2005-12-13 2007-06-21 Olympus Medical Systems Corp. Treatment device for endoscope
JP2007159756A (en) * 2005-12-13 2007-06-28 Olympus Medical Systems Corp Treatment appliance for endoscope
JP2007236684A (en) * 2006-03-09 2007-09-20 Fujinon Corp Puncturing device
JP4506982B2 (en) * 2006-03-09 2010-07-21 富士フイルム株式会社 Lancing device
JP2009090106A (en) * 2007-10-05 2009-04-30 Tyco Healthcare Group Lp Visual obturator
US9364259B2 (en) 2009-04-21 2016-06-14 Xlumena, Inc. System and method for delivering expanding trocar through a sheath
US9381041B2 (en) 2009-04-21 2016-07-05 Xlumena, Inc. Methods and devices for access across adjacent tissue layers
US9888926B2 (en) 2009-05-29 2018-02-13 Boston Scientific Scimed, Inc. Apparatus and method for deploying stent across adjacent tissue layers
CN103211569A (en) * 2013-04-25 2013-07-24 中国人民解放军成都军区总医院 Endoscope self-help biopsy all-in-one device and operating method thereof

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