JPH1147150A - Endoscopic surgery appliance - Google Patents

Endoscopic surgery appliance

Info

Publication number
JPH1147150A
JPH1147150A JP21198697A JP21198697A JPH1147150A JP H1147150 A JPH1147150 A JP H1147150A JP 21198697 A JP21198697 A JP 21198697A JP 21198697 A JP21198697 A JP 21198697A JP H1147150 A JPH1147150 A JP H1147150A
Authority
JP
Grant status
Application
Patent type
Prior art keywords
incision
knife
tissue
portion
gripping
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP21198697A
Other languages
Japanese (ja)
Other versions
JP3986127B2 (en )
Inventor
Koji Iida
Yasuhiko Kikuchi
Naoki Sekino
Koji Yamauchi
幸治 山内
康彦 菊地
直己 関野
浩司 飯田
Original Assignee
Olympus Optical Co Ltd
オリンパス光学工業株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date

Links

Abstract

PROBLEM TO BE SOLVED: To enable safely solidifying and incising living tissue and keeping sharpness for incision. SOLUTION: In an endoscopic surgery appliance having a pair of clamping members 11a, 11b clamping tissue, bipolar electrodes provided on the clamping surfaces of the clamping members 11a, 11b, and an incising blade 16 incising the tissue, the incising blade 16 is placed in a first position where it is stored inside the clamping member 11a so as not to make contact with the tissue to be clamped, and is freely movable so that during incision at least a part of the incising blade 16 passes from the first position through the clamping surfaces formed by the pair of claming members 11a, 11b.

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】この発明は生体組織を把持する把持部材及び把持した生体組織を切開する切開部を備えた内視鏡下手術器械に関する。 TECHNICAL FIELD The present invention relates to an endoscopic surgical instruments having an incision for incising the gripping member and the grasped living tissue gripping the biological tissue.

【0002】 [0002]

【従来の技術】一般に、生体組織を把持する一対の把持部材を備え、各把持部材に高周波通電用の電極が配設されたバイポーラ鉗子が知られている。 In general, comprises a pair of gripping members for gripping the body tissue, the bipolar forceps having electrodes arranged for high-frequency current is known in the gripping member. そして、このバイポーラ鉗子の使用時には一対の把持部材間に処置対象の生体組織を把持させた状態で、各把持部材の電極間に高周波電流を通電して把持部材間の生体組織を凝固させるようになっている。 As this is the use of a bipolar forceps while being gripped treatment target living tissue between a pair of gripping members, to coagulate the living tissue between the grasping member and a high-frequency current between the electrodes of each gripping member going on.

【0003】この種のバイポーラ鉗子は、通常、生体組織に含まれる血管の止血、生体組織の表層の病変部、出血点の焼灼、避妊を目的とした卵管の閉塞等の多種の症例に用いられる。 [0003] This type of bipolar forceps, usually used, hemostasis of the blood vessel contained in a biological tissue, lesion of the surface layer of the living tissue, cauterization of the bleeding point, the various cases of clogging tubal intended for contraception It is. そして、バイポーラ鉗子が血管の止血や、卵管の閉塞を目的として用いられ、患者の処置対象の生体組織を凝固できるようになっており、また凝固した生体組織を切開することができるようになっている。 The hemostatic and bipolar forceps vessel, used for the purpose of occlusion of fallopian tube, making it possible to incise the are adapted to be coagulate patient treatment target living tissue, also coagulated biological tissue ing.

【0004】従来、この種の内視鏡下手術器械として、 [0004] Conventionally, as an endoscopic surgical instruments of this kind,
例えば米国特許第4655216号明細書、米国特許第5445638号明細書、米国特許第5431674号明細書、米国特許第5484436号明細書、米国特許第5558671号明細書、米国特許第5267998 For example U.S. Pat. No. 4655216, U.S. Patent No. 5445638, U.S. Patent No. 5431674, U.S. Patent No. 5484436, U.S. Patent No. 5558671, U.S. Patent No. 5267998
号明細書等で知られている。 It is known in the Patent specification and the like.

【0005】米国特許第4655216号明細書は、開閉自在な一対の把持部材の間に枢支ピンを支点として回動自在な略L字状の切開刃が設けられ、生体組織を把持して状態で一対の把持部材間に凝固電流を流して生体組織を凝固させた後、切開刃を回動して生体組織を切開するようになっている。 [0005] U.S. Pat. No. 4,655,216 is substantially L-shaped incision blade a rotatably pivot pin as a fulcrum between the openable pair of gripping members are provided, the state grasping the living tissue in after flowing coagulation current between the pair of gripping members to coagulate the living tissue, and the incision blade rotates so as to incise the body tissue.

【0006】米国特許第5445638号明細書及び米国特許第5558671号明細書は、シースの先端部から突出する一対の把持部材と、この把持部材間に進退自在な切開ナイフとを備え、手元操作部の操作によって一対の把持部材を閉じて処置対象の生体組織を把持した状態で、一対の把持部材間に凝固電流を流して生体組織を凝固させた後、切開ナイフを前進させて生体組織を切開するようになっている。 [0006] U.S. Pat. No. 5,445,638 and U.S. Patent No. 5,558,671 includes a pair of gripping members projecting from the distal end of the sheath, and a forward and backward freely incision knife between the gripping member, the operation portion while gripping the living tissue as a treatment target by closing the pair of gripping members by the operation of, after flowing coagulation current between the pair of gripping members to coagulate the living tissue, to advance the incision knife incised body tissue It has become way.

【0007】米国特許第5431674号明細書は、シースの先端部に固定されたアンビルと進退及び回動自在な切開刃とを備え、切開刃を閉じながら引き込み、生体組織を切開するようになっている。 [0007] U.S. Patent No. 5,431,674 is provided with a retractable and rotatable incision blade and the anvil that is fixed to the distal end of the sheath, retraction while closing the incision blade, so as to incise the body tissue there.

【0008】米国特許第5484436号明細書は、シースの先端部に一対の切開刃を回動自在に設け、一対の切開刃に凝固電流を流して生体組織を凝固させた後、切開刃によって生体組織を切開するようになっている。 [0008] U.S. Pat. No. 5,484,436, after the pair of the cutting blades at the tip portion of the sheath disposed rotatably, by passing a coagulation current to the pair of incision blade to coagulate the living tissue, the living body by incision blade It is adapted to cut tissue.

【0009】米国特許第5267998号明細書は、一対の凝固電極と移動可能な切開電極を有し、一対の凝固電極間に凝固電流を流して生体組織を凝固させた後、手元操作部の操作によって切開電極を移動させるとともに、切開電流を流して生体組織を切開するようになっている。 [0009] U.S. Patent No. 5,267,998 has a cutting electrode movable with the pair of the coagulation electrodes, after coagulating the living tissue by supplying a coagulation current between a pair of coagulating electrodes, the operation of the operation portion It is moved, by flowing an incision current so as to incise the body tissue and a cutting electrode by.

【0010】 [0010]

【発明が解決しようとする課題】しかしながら、前述した米国特許第4655216号明細書は、一対の把持部材の間に切開刃が突出しているため、正常な生体組織に傷を付ける虞があり、細心の注意を払う必要があることから操作性が悪いという欠点がある。 [SUMMARY OF THE INVENTION However, US Patent No. 4655216 described above, since the incision blade protrudes between the pair of gripping members, there is a possibility that damaging the normal biological tissues, meticulous there is a drawback of poor operability since it is necessary to pay attention.

【0011】米国特許第5445638号明細書及び米国特許第5558671号明細書は、一対の把持部材間に進退自在な切開ナイフを備えたものであり、切開ナイフの切れ味が劣化すると、切開ナイフを前進させて切開する際に把持した生体組織を押し出してしまうという不都合があり、切開ナイフを頻繁に交換する必要がある。 [0011] U.S. Patent No. 5,445,638 and U.S. Patent No. 5,558,671 are those having a freely incision knife back and forth between a pair of gripping members forward, the sharpness of the incision knife is deteriorated, the incision knife is there is inconvenience that extruding the grasped living tissue during the incision, it is necessary to frequently replace the incision knife.
また、把持部材の間に切開ナイフを進退自在に配置する複雑な構造で、洗浄性も悪いという欠点がある。 Furthermore, a complex structure that retractably disposed incision knife between the gripping members, detergency also has a disadvantage of poor.

【0012】米国特許第5431674号明細書、米国特許第5484436号明細書及び米国特許第5267 [0012] US Pat. No. 5,431,674, US Pat. No. 5,484,436 Pat and US Pat. No. 5267
998号明細書は、生体組織を把持する機能がないため、処置対象部位を確実に切開することができない。 998 specification, since there is no ability to grip the biological tissue can not be reliably incised surgical target portion.

【0013】この発明は、前記事情に着目してなされたもので、その目的とするところは、体腔内に挿入したとき正常な生体組織に傷を付ける虞がなく、また切開性能を維持できる内視鏡下手術器械を提供することにある。 [0013] The present invention has been made in view of the above circumstances, it is an object when inserted into a body cavity without fear that scratch the normal biological tissues, also among the incision performance can be maintained It is to provide an endoscope under surgical instruments.

【0014】 [0014]

【課題を解決するための手段】この発明は、前記目的を達成するために、組織を把持する一対の把持部材と、前記把持部材の把持面に設けられた双極電極と、組織を切開する切開手段とを備えた内視鏡下手術器械において、 SUMMARY OF THE INVENTION The present invention, in order to achieve the object, a pair of gripping members for gripping the tissue to incise a bipolar electrode provided on the gripping surface of the gripping member, the tissue dissection in endoscopic surgical instruments having a means,
前記切開手段は、把持する組織に接触しないよう前記把持部材の内部に収容される第1の位置に配置され、切開時に切開手段の少なくとも一部が第1の位置から一対の把持部材で形成される把持面を通過するように移動自在であることを特徴とする。 It said incision means are arranged in a first position, which is accommodated inside the gripping member so as not to contact the gripped tissue, at least part of the cutting means during the incision is formed by a pair of gripping members from the first position It characterized in that it is movable so as to pass that gripping surface.

【0015】そして、生体組織の凝固止血等の処置時に把持部材によって生体組織を把持した状態で把持部材間に凝固電流を流して生体組織を凝固させ、次に、切開手段を一対の把持部材で形成される把持面に移動して生体組織を切開することができるようにしたものである。 [0015] Then, by the gripping member during the treatment of coagulation hemostasis such a living tissue by supplying a coagulation current between the gripping member while gripping the living tissue to coagulate the living tissue, then the incision means with a pair of gripping members Go to gripping surface formed is obtained to be able to incise the body tissue.

【0016】 [0016]

【発明の実施の形態】以下、この発明の各実施の形態を図面に基づいて説明する。 BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, will be explained with reference to the embodiments of the invention with reference to the drawings.

【0017】図1〜図6は第1の実施形態を示し、図1 [0017] Figures 1-6 show a first embodiment, FIG. 1
は内視鏡下手術器械としてのバイポーラ鉗子1を示す。 It shows the bipolar forceps 1 as endoscopic surgery instruments.
バイポーラ鉗子1には患者の体腔内に挿入される細長い挿入部2と、この挿入部2の先端部に配置され、体腔内で生体組織を把持、凝固するための通電可能な処置部3 The bipolar forceps 1 an elongated insertion portion 2 to be inserted into a body cavity of a patient, is disposed at the distal end of the insertion portion 2, gripping the living tissue in a body cavity, energizable treatment unit 3 for solidifying
と、挿入部2の基端部に連結された操作部4とが設けられている。 When the operation section 4 which is connected is provided at the proximal end of the insertion portion 2.

【0018】挿入部2は、図4〜図6に示すように、シース5と、このシース5の内部に軸方向に進退自在に挿入されたロッド6とからなり、シース5の先端部には絶縁材料からなる係合部材7が固定され、シース5の基端部は操作部4を構成するグリップ8に固定されている。 The insertion portion 2, as shown in FIGS. 4 to 6, the sheath 5, made from the sheath 5 inside inserted movably in the axial direction the rods 6 which in, the distal end of the sheath 5 engagement member 7 made of an insulating material is fixed, the proximal end portion of the sheath 5 is fixed to the grip 8 constituting the operation unit 4.
ロッド6の基端部は、図1に示すように、操作部4に設けられたロッド駆動部材9に固定されている。 Proximal end of the rod 6, as shown in FIG. 1, is fixed to the rod driving member 9 provided in the operation section 4.

【0019】処置部3は、電極を構成する一対の把持部材11a,11bと、これらの把持部材11a,11b The treatment portion 3, a pair of gripping members 11a constituting the electrode, and 11b, these gripping members 11a, 11b
を支持し、拡開させる方向に付勢する上下2本ずつの弾性部材12a,12bとからなり、これら弾性部材12 Supporting the elastic member 12a of each two vertically for urging in a direction to spreading consists of a 12b, the elastic members 12
a,12bの基端部がロッド6の先端部に固定されている。 a, proximal portion of 12b is fixed to the distal end of the rod 6. 弾性部材12a,12bはばね鋼等によって形成され、先端部には略くの字状に屈曲された屈曲部13a, Elastic members 12a, 12b are formed by a spring steel or the like, the bent portion 13a at the tip portion which is bent in the shape of substantially L,
13bが形成され、表面は絶縁被膜によって被覆されている。 13b are formed, the surface is covered with an insulating coating.

【0020】図5及び図6に示すように、把持部材11 As shown in FIGS. 5 and 6, the gripping member 11
a,11bは閉じたときに内部に空間部14が形成されるように断面が略コ字状の凹溝14a,14bが形成され、互いに対向する端縁は閉じたときに互いに噛合する鋸歯状部が形成され、生体組織Aを確実に把持できるように形成されている。 a, cross section substantially U-shaped groove 14a such that the space portion 14 inside when 11b is closed is formed, 14b are formed serrated to mesh with each other when closed edges facing each other parts are formed, is formed to the body tissue a can be reliably gripped.

【0021】さらに、図4〜図6に示すように、ロッド6にはばね鋼等によって形成されたナイフロッド15が挿通されており、このナイフロッド15の先端部には切開手段としての切開ナイフ16が設けられている。 Furthermore, as shown in FIGS. 4 to 6, the rod 6 is inserted through the knife rod 15 formed by a spring steel or the like, the incision knife as incision means the tip of the knife rod 15 16 is provided. さらに、ナイフロッド15はロッド6の先端部においては下側の弾性部材12b,12bの間に位置し、ロッド6の軸心より下側に位置しているが、ロッド6の先端部から延出した部分は上側の把持部材11aに向かって斜めに曲り癖が付けられ、先端の切開ナイフ16は上側の把持部材11aの凹溝14aの内部に収容されている。 Furthermore, the knife rod 15 is located between the lower side of the elastic member 12b, 12b in the distal end portion of the rod 6, but is located below the axis of the rod 6, extends from the distal end of the rod 6 portion is attached habit bend obliquely towards the upper side of the gripping member 11a, the incision knife 16 of the tip is housed inside the concave groove 14a of the upper gripping member 11a. すなわち、通常時においては、ナイフロッド15の弾性によって切開ナイフ16が生体組織Aと接触しないように退避している。 That is, in the normal, the incision knife 16 by the elasticity of the knife rod 15 is retracted so as not to contact the biological tissue A. また、切開ナイフ16は矩形板状体で、その下側に前後方向に延びる切刃16aを有する片刃ナイフであり、先端側に向かって上り勾配の斜面が形成されている。 Moreover, the incision knife 16 in a rectangular plate-like body, a single-edged knife with a cutting edge 16a extending in the longitudinal direction on its underside, are formed slopes upward gradient toward the tip side.

【0022】さらに、ロッド6の軸心より上側には軸方向に亘って貫通孔6aが設けられ、この貫通孔6aにはナイフ操作ロッド17が進退自在に挿通されている。 Furthermore, on the upper side than the axis of the rod 6 through hole 6a is provided over the axial direction, the knife operating rod 17 is inserted retractably in the through hole 6a. このナイフ操作ロッド17の先端部にはナイフロッド15 Knife rod 15 to the tip of the knife operating rod 17
と係合する係合溝18aを有した操作ヘッド18が設けられている。 Operating head 18 having a engagement groove 18a to be engaged is provided with. そして、ナイフ操作ロッド17の前進によって操作ヘッド18によりナイフロッド15の弾性力に抗して押し下げ、切開ナイフ16を把持部材11aの内部から下側に移動させ、把持部材11a,11bの把持面を通過させることができるようになっている。 Then, it pushed down against the elastic force of the knife rod 15 by the operating head 18 by advancing the knife operating rod 17 is moved to the lower side of the incision knife 16 from the interior of the gripping member 11a, the gripping member 11a, a gripping surface of the 11b and it is capable of passing.

【0023】このように構成された処置部3の把持部材11a,11bのロッド6、切開ナイフ16のナイフロッド15及びナイフ操作ロッド17は前記挿入部3を構成するシース5に内挿され、シース5の基端部から突出して操作部4まで延長している。 The gripping member 11a of the treatment section 3 configured as described above, the rod 6 of 11b, knife rod 15 and the knife actuating rod 17 of the incision knife 16 is inserted into the sheath 5 which constitutes the insertion portion 3, the sheath 5 projecting from the base end portion is extended to the operation unit 4.

【0024】また、図1〜図3に示すように、操作部4 Further, as shown in FIGS. 1 to 3, operation section 4
のグリップ8には先端部側に延出された先端側延出部8 The distal end side extends is extended to the tip side of the grip 8 out portion 8
aが設けられている。 a is provided. この先端側延出部8aにはシース5の基端部に連結固定される連結リング8bが設けられている。 Connecting ring 8b is provided which is fixedly connected to the proximal end of the sheath 5 to the distal end side extending portion 8a. さらに、先端側延出部8aの後方には処置部3 Further, the rear of the front end side extending portion 8a treatment section 3
の後端部と電気、機械的に接続するための処置部ユニット接続部19が配設されている。 Rear portion and the electric, the treatment section unit connection 19 for mechanically connecting is disposed of. ここで、処置部ユニット接続部19には処置部3のロッド6の後端部を収納する内腔と、この内腔に収納したロッド6の後端部に接続される接続手段とが設けられている。 Here, a lumen for housing the rear end portion of the rod 6 of the treatment portion 3 to the treatment portion unit connection portion 19, and connecting means to be connected is provided at a rear end portion of the rod 6 that is housed in the lumen ing.

【0025】また、処置部ユニット接続部19には処置部3の把持部材11a,11bと電気的に接続されるガイドロッド20を介して電極ピン21が設けられ、この電極ピン21は高周波ケーブル21aを介して高周波焼灼電源装置(図示しない)に接続されるようになっている。 Further, the gripping member 11a of the treatment section 3 to the treatment portion unit connection part 19, electrode pins 21 are provided via 11b electrically connected to the guide rod 20, the electrode pin 21 is a high-frequency cable 21a It is adapted to be connected to a high frequency cautery power source device (not shown) via.

【0026】また、グリップ8には処置部ユニット接続部19の操作用のトリガー22が設けられている。 Further, the trigger 22 for operation of the treatment section unit connection 19 is provided in the grip 8. このトリガー22はグリップ8の上端部に回動ピン23を中心に回動自在に連結されている。 The trigger 22 is pivotally connected to the centered pivot pin 23 to the upper end portion of the grip 8. さらに、このトリガー22には回動支点の上方に長孔24が形成されている。 Further, the elongated hole 24 is formed above the rotational fulcrum to the trigger 22.
この長孔24にはロッド駆動部材9の側面に突設された係合ピン25が挿入されている。 Engaging pin 25 is inserted protruding from the side surface of the rod driving member 9 is in the elongated hole 24. なお、26は回転ノブであり、シース5内でロッド6を円周方向に回転させることにより、把持部材11a,11bの向きを任意に変更できるようになっている。 Incidentally, 26 is a rotary knob, by rotating the rod 6 in the circumferential direction in the sheath 5, the gripping member 11a, so that the can arbitrarily change the direction of 11b.

【0027】また、グリップ8の内部にはトリガー22 [0027] In addition, the trigger is in the interior of the grip 8 22
の下端部の手掛け部22aをグリップ8から離れる方向(図1において回動ピン23を中心に時計回り方向)に付勢する付勢部材(図示しない)が配設されている。 Away the lower portion of the finger receiving portion 22a from the grip 8 (not shown) urging member for urging (clockwise direction about the pivot pin 23 in FIG. 1) is disposed. そして、トリガー22は付勢部材のばね力によって常時グリップ8から最も離れた定位置(解放位置)で保持されている。 Then, the trigger 22 is held in the most distant position from the always grip 8 by the spring force of the biasing member (release position).

【0028】さらに、グリップ8の後端上部における側面にはナイフ操作レバー27が設けられている。 Furthermore, the knife operating lever 27 on the side surface of the rear end upper portion of the grip 8 are provided. このナイフ操作レバー27はグリップ8に対して回動ピン28 The knife operation lever 27 pivot pin 28 against the grip 8
を中心に回動自在に連結されている。 It is pivotally connected about a. さらに、ナイフ操作レバー27の回動中心より上方には長孔29が形成され、この長孔29には前記ナイフ操作ロッド17の後端側面から突設された係合ピン30が挿入されている。 Further, the elongated hole 29 is formed above the center of rotation of the knife lever 27, the engaging pin 30 projecting from the rear end side of the knife operating rod 17 is inserted into the long hole 29 .

【0029】ナイフ操作レバー27には略V字状に配置された上下のアーム部31,32が設けられている。 The arm portions 31 and 32 of the upper and lower disposed substantially V-shape in the knife lever 27 is provided. そして、一方のアーム部31には指掛け部33が他方のアーム32はストッパピン34と当接してナイフ操作レバー27の回動範囲を規制する役目をしている。 Then, the arm 32 finger grips 33 and the other on one of the arm portion 31 has a role of restricting the rotation range of the knife lever 27 in contact with the stopper pin 34 equivalents. さらに、 further,
回動ピン28にはナイフ操作レバー27を時計回り方向に付勢する付勢部材(図示しない)が装着されている。 Biasing member for biasing the knife operating lever 27 in the clockwise direction to the rotation pin 28 (not shown) is mounted.

【0030】ここで、トリガー22の手掛け部22aを付勢部材のばね力に抗してグリップ8側に引き込み操作することにより、ロッド駆動部材9を介してロッド6がシース5の軸方向前方へ移動する。 [0030] Here, by operating pull the grip 8 side against the finger receiving portion 22a of the trigger 22 the spring force of the biasing member, the rod 6 via a rod driving member 9 is axially forward of the sheath 5 Moving. ロッド6の前進に伴って弾性部材12a,12bがシース5から突出し、弾性部材12a,12bの弾性復元力によって拡開して把持部材11a,11bが開く。 Elastic member 12a with the forward movement of the rod 6, 12b protrude from the sheath 5, the elastic member 12a, the gripping and expanded by the elastic restoring force of 12b member 11a, 11b is opened. また、トリガー22が解放されるとグリップ8内の付勢部材のばね力によって定位置に戻り、弾性部材12a,12bが弾性復元力に抗してシース5内に引き込まれ、把持部材11a,11b Further, when the trigger 22 is released to return to the home position by the spring force of the biasing member in the grip 8, the elastic members 12a, 12b is drawn into the sheath 5 against the elastic restoring force, the gripping member 11a, 11b
が閉じるようになっている。 They have become close as.

【0031】また、ナイフ操作レバー27の指掛け部3 [0031] In addition, the finger hook portion 3 of the knife operation lever 27
3に指を掛け、付勢部材の付勢力に抗してナイフ操作レバー27を反時計回り方向に回動すると、長孔29に挿入されている係合ピン30を介してナイフ操作ロッド1 3 to your finger, when rotating the knife operating lever 27 in the counterclockwise direction against the biasing force of the biasing member, knife operation through the engagement pin 30 which is inserted into the long hole 29 rod 1
7が前進駆動し、ナイフ操作ロッド17の先端部の操作ヘッド18によりナイフロッド15の弾性力に抗して押し下げ、切開ナイフ16を把持部材11aの内部から下側に移動させ、把持部材11a,11bの把持面を通過させることができるようになっている。 7 is driven forward, pushed down against the elastic force of the knife rod 15 by the operating head 18 of the distal end portion of the knife operating rod 17 is moved to the lower side of the incision knife 16 from the interior of the gripping member 11a, the gripping member 11a, and it is capable of passing a gripping surface of 11b.

【0032】また、ナイフ操作レバー27が解放されると付勢部材のばね力によって定位置に戻り、ナイフ操作ロッド17は相対的にシース6に引き込まれてナイフロッド15が解放されて弾性復元力により上方に移動して切開ナイフ16が上側の把持部材11aの内部に収容され、アーム部32はストッパピン34に当接すると停止するようになっている。 Further, the knife operating lever 27 is released to return to the home position by the spring force of the biasing member, the knife operating rod 17 is released knife rod 15 is drawn relatively sheath 6 elastic restoring force incision knife 16 moves upward is housed in the interior of the upper gripping member 11a, the arm portion 32 is adapted to stop that abuts against the stopper pin 34 by.

【0033】次に、第1の実施形態の作用について説明する。 The following is a description of the operation of the first embodiment.

【0034】バイポーラ鉗子1の電極ピン21に高周波ケーブル21aを接続し、バイポーラ鉗子1と高周波焼灼電源装置とを電気的に接続する。 [0034] The high frequency cable 21a connected to the electrode pin 21 of the bipolar forceps 1, for electrically connecting the bipolar forceps 1 and the high-frequency cautery power source device. 初期状態では操作部4のトリガー22の手掛け部22aは図1(a)(b) Finger receiving portion 22a of the trigger 22 in the initial state operating part 4 Figure 1 (a) (b)
に示すようにグリップ8から最も離れた定位置で保持され、処置部ユニット接続部19は挿入部3の軸方向の移動範囲の最後端位置で保持される。 Held in the most distant position from the grip 8, as shown in, the treatment section unit connecting portion 19 is held at the last end position of the movement range of the axial direction of the insertion portion 3. この状態では処置部3の一対の弾性部材12a,12bがシース6内に没入して把持部材11a,11bが閉じた状態にある。 A pair of elastic members 12a of the treatment section 3 in this state, 12b gripping member 11a and retracted into the sheath 6 in a state in which 11b is closed.

【0035】この状態で、バイポーラ鉗子1の挿入部2 [0035] In this state, the insertion portion 2 bipolar forceps 1
を患者の体内に挿入し、この挿入部2の先端の処置部3 Was inserted into the patient, the treatment portion 3 at the tip of the insertion portion 2
を体内の処置対象の生体組織Aの近傍位置まで誘導する。 Induces to the vicinity position of the treatment target living tissue A within the body. そこで、トリガー22の手掛け部22aを付勢部材の付勢力に抗してグリップ8側に引き込み操作することにより、ロッド駆動部材9を介してロッド6がシース5 Therefore, by operating pull the grip 8 side against the finger receiving portion 22a of the trigger 22 the biasing force of the biasing member, the sheath 5 rod 6 via the rod driving member 9
の軸方向前方へ移動する。 Moves in the axially forward. ロッド6の前進に伴って弾性部材12a,12bがシース6から突出し、弾性部材1 Elastic member 12a with the forward movement of the rod 6, 12b protrude from the sheath 6, the elastic member 1
2a,12bの弾性復元力によって把持部材11a,1 2a, gripped by the elastic restoring force of 12b member 11a, 1
1bが開く(図2参照)。 1b is opened (see FIG. 2).

【0036】続いて、拡開した把持部材11a,11b [0036] Subsequently, flared gripping member 11a, 11b
の間に生体組織Aを挿入した後、トリガー22を解放するとグリップ8内の付勢部材のばね力によって定位置に戻り、弾性部材12a,12bがシース6内に引き込まれ、把持部材11a,11bが図3に示すように、閉じ、生体組織Aが図5に示すように、一対の把持部材1 After inserting the body tissue A during, when releasing the trigger 22 returns to the home position by the spring force of the biasing member in the grip 8, the elastic members 12a, 12b is drawn into the sheath 6, the gripping member 11a, 11b There, as shown in FIG. 3, it closed, as the biological tissue a is shown in FIG. 5, a pair of gripping members 1
1a,11b間に把持される。 1a, it is gripped between 11b.

【0037】このとき、把持部材11a,11bには閉じたときに互いに噛合する鋸歯状部に形成され、生体組織Aを確実に把持できる。 [0037] In this case, the gripping member 11a, is formed on the serrations which mesh with each other when closed to 11b, can be reliably grasp the body tissue A. この状態で、高周波焼灼電源装置から高周波ケーブル21aを介して電極ピン21に高周波電流が流れ、さらに弾性部材12a,12bを介して把持部材11aと11bとの間に凝固電流が流れ、 In this state, the high-frequency current flows through the electrode pin 21 from the high-frequency cauterization power supply apparatus via the high frequency cable 21a, further elastic members 12a, the coagulation current flows between the gripping members 11a and 11b through 12b,
生体組織Aの凝固が行われる。 Coagulation of biological tissue A is performed.

【0038】一定時間凝固電流を流して生体組織Aを凝固(図6(b)の生体組織Aのクロス線部分は、凝固電流によって凝固された部分を示す。)させた後、ナイフ操作レバー27の指掛け部33に指を掛け、付勢部材の付勢力に抗してナイフ操作レバー27を反時計回り方向に回動すると、長孔29に挿入されている係合ピン30 The coagulating biological tissue A by flowing a certain time coagulation current (cross line portion of the body tissue A in FIG. 6 (b), have been showing a portion. Coagulated by the coagulation current) After the knife lever 27 your finger on the finger hook 33 of the pivoted knife operating lever 27 in the counterclockwise direction against the biasing force of the biasing member, the engaging pin is inserted into the elongated hole 29 30
を介してナイフ操作ロッド17が前進駆動する。 Knife operation rod 17 via the drive forward. ナイフ操作ロッド17の前進によって操作ヘッド18によりナイフロッド15を弾性力に抗して押し下げ、切開ナイフ16を把持部材11aの内部から下側に移動させる。 Pressed down against the knife rod 15 to the elastic force by the operating head 18 by advancing the knife operating rod 17 is moved to the lower side of the incision knife 16 from the interior of the gripping member 11a.

【0039】そして、図6(a)(b)に示すように、 [0039] Then, as shown in FIG. 6 (a) (b),
切開ナイフ16が把持部材11a,11bの把持面を通過すると、把持部材11a,11b間に把持された生体組織Aの凝固された部分の内部が切開ナイフ16の切刃16aによって機械的に切開される。 Incision knife 16 is gripping member 11a, passes through the gripping surface of the 11b, the gripping member 11a, the interior of the solidified portion of the grasped living body tissue A between 11b are mechanically dissected by cutting 16a of the incision knife 16 that.

【0040】切開が完了した後、ナイフ操作レバー27 [0040] After the incision is complete, knife operation lever 27
を解放すると、付勢部材のばね力によって定位置に戻り、ナイフ操作ロッド17は相対的にシース6に引き込まれて操作ヘッド18が後退し、切開ナイフ16はナイフロッド15の弾性力によって上昇して上側の把持部材11aの内部に収容され、アーム部32はストッパピン34に当接すると停止する。 Releasing returns to the home position by the spring force of the biasing member, the knife operating rod 17 is drawn in relatively sheath 6 retracts operating head 18, the incision knife 16 is raised by the elastic force of the knife rod 15 Te housed inside the upper gripping member 11a, the arm portion 32 is stopped and abuts against the stopper pin 34.

【0041】また、トリガー22を解放するとグリップ8内の付勢部材のばね力によって定位置に戻り、弾性部材12a,12bがシース6から突出して把持部材11 Further, when releasing the trigger 22 returns to the home position by the spring force of the biasing member in the grip 8, the elastic members 12a, grip 12b protrudes from the sheath 6 member 11
a,11bは弾性部材12a,12bの弾性復元力によって開き、把持部材11a,11bは生体組織Aから解放される。 a, 11b is opened by the elastic restoring force of the elastic member 12a, 12b, gripping member 11a, 11b is released from the body tissue A.

【0042】本実施形態によれば、通常時には、切開ナイフ16が把持部材11aの内部に収容された状態に退避しているため、処置部3を体腔内に目的部位に誘導する際に、切開ナイフ16によって正常な組織に傷を付ける虞がなく、操作性を向上できる。 According to the present embodiment, in the normal, since the incision knife 16 is retracted in a state of being accommodated inside the gripping member 11a, the treatment portion 3 in inducing the target site within the body cavity, the incision no fear that scratch the normal tissue by a knife 16, thereby improving the operability. また、切開ナイフ1 In addition, the incision knife 1
6の切れ味が低下しても切開時に生体組織Aを逃がすことなく、確実に切開できる。 Without 6 sharpness of escape the body tissue A at the incision be reduced, it can be reliably incised.

【0043】図7〜図11は第2の実施形態を示し、第1の実施形態と同一構成部分は同一番号を付して説明を省略する。 [0043] 7-11 show a second embodiment, the same components as those of the first embodiment will be omitted with denoted by the same numbers. 図7〜図11に示すように、シース5に進退自在に内挿されたロッド6の先端部には弾性部材12 7 to 11 as shown in, the elastic member 12 in the distal end portion of the rod 6 which is inserted in freely advance and retreat in the sheath 5
a,12bによって一対の把持部材41a,41bが設けられている。 a, a pair of gripping members 41a, 41b are provided by 12b. 把持部材41a,41bは閉じたときに内部に空間部42が形成されるように互いに対向する面に凹溝43a,43bが形成され、その周縁には閉じたときに互いに噛合する鋸歯状部が形成され、生体組織A Gripping member 41a, groove 43a in the surface opposed to each other as 41b has a space portion 42 therein when closed is formed, 43b are formed, the serrations which mesh with each other when closed at its periphery is formed, the body tissue A
を確実に把持できるように形成されている。 The formed to reliably grip.

【0044】上側の把持部材41aの凹溝43aは手前側に向かって漸次浅くなるように斜面に形成され、切開ナイフ44を案内する案内面45に形成されている。 The groove 43a of the upper gripping member 41a is formed on the inclined surface so as to gradually shallow toward the front side, are formed on the guide surface 45 for guiding the incision knife 44. 切開ナイフ44は矩形板状体で、下部手前側に斜めに切刃44aを有しており、この切開ナイフ44は上側の把持部材41aの凹溝43aおける最も深い先端側に位置しているときには生体組織Aと接触しないように退避している。 The incision knife 44 in a rectangular plate-like body has a cutting edge 44a at an angle on the lower front side, the incision knife 44 when located at the deepest distal definitive groove 43a of the upper gripping member 41a side It is retracted so as not to contact the biological tissue a.

【0045】一方、ロッド6の軸心より下側に偏倚した位置には軸方向に亘って貫通孔46が設けられている。 On the other hand, the through-holes 46 over the axial direction is provided at a position offset below the axis of the rod 6.
この貫通孔46にはばね鋼からなるナイフ操作ロッド4 Knife operating rod 4 made of spring steel into the through-holes 46
7が進退自在に挿通されている。 7 is inserted retractably. ナイフ操作ロッド47 Knife operating rod 47
のロッド6の先端部から延出した部分は上側の把持部材41aに向かって斜めに曲り癖が付けられ、先端部には前記切開ナイフ44が固定されている。 The extending therefrom a portion from the tip portion of the rod 6 of the attached habit bend obliquely towards the upper side of the gripping member 41a, is the incision knife 44 is fixed to the tip portion. ナイフ操作ロッド47の基端部は操作部4まで延長しており、操作部4 Proximal end of the knife operating rod 47 is extended to the operation section 4, the operation section 4
に設けられたナイフ操作レバー27と連結されている。 It is coupled with the knife lever 27 provided.
このナイフ操作レバー27はグリップ8に対して回動ピン28を中心に回動自在に連結され、付勢部材(図示しない)によって反時計回り方向に付勢され、ナイフ操作ロッド47を前進させる方向に付勢している。 The knife operating lever 27 is pivotally connected to the centered pivot pin 28 relative to the grip 8 is urged in the counterclockwise direction by the urging member (not shown), the direction of advancing the knife operating rod 47 It urges to.

【0046】次に、第2の実施形態の作用について説明する。 Next, a description will be given of the operation of the second embodiment. 把持部材41aと41bとを閉じて生体組織Aを把持し、把持部材41a,41b間に凝固電流を流して生体組織Aを凝固するまでは第1の実施形態と同様であり、図11(b)の生体組織Aのクロス線部分は、凝固電流によって凝固された部分を示す。 Close the gripping member 41a and 41b to grip the biological tissue A, the gripping member 41a, until by applying a coagulation current between 41b coagulates the living tissue A is the same as the first embodiment, FIG. 11 (b cross line portion of the body tissue a of) shows a solidified portion by coagulation current. 生体組織Aを凝固させた後、ナイフ操作レバー27の指掛け部33に指を掛け、付勢部材の付勢力に抗してナイフ操作レバー27 After coagulating biological tissue A, over a finger on the finger hook portion 33 of the knife lever 27, the knife operating lever against the biasing force of the biasing member 27
を時計回り方向に回動すると、長孔29に挿入されている係合ピン30を介してナイフ操作ロッド47が後退駆動する。 The When rotated clockwise, the knife operating rod 47 through the engagement pin 30 which is inserted into the long hole 29 is driven backward. ナイフ操作ロッド47の後退によってナイフ操作ロッド47の先端部に設けられた切開ナイフ44が手前側に引かれ、把持部材41aの案内面45に案内されて凹溝43aの深い位置から浅い位置に移動する。 Incision knife 44 provided at the tip of the knife the operating rod 47 by the retraction of the knife operating rod 47 is pulled to the front side, moving by being guided by the guide surface 45 of the gripping member 41a and a shallow position from the deep position of the groove 43a to.

【0047】したがって、図11に示すように、切開ナイフ44の切刃44aが把持部材41a,41bの把持面を通過し、把持部材41a,41b間に把持された生体組織Aの凝固された部分の内部が切開ナイフ44の切刃44aによって機械的に切開される。 [0047] Therefore, as shown in FIG. 11, the cutting edge 44a is gripping member 41a of the incision knife 44, passes through the gripping surface of the 41b, solidified portion of the gripping member 41a, the biological tissue A, which is gripped between the 41b inside it is mechanically dissected by cutting 44a of the incision knife 44.

【0048】切開が完了した後、ナイフ操作レバー27 [0048] After the incision is complete, knife operation lever 27
を解放すると、付勢部材のばね力によって定位置に戻り、ナイフ操作ロッド47は前進し、切開ナイフ44はナイフ操作ロッド47の弾性力によって徐々に上昇して上側の把持部材41aの凹溝43aの内部に収容され、 Releasing returns to the home position by the spring force of the biasing member, the knife operating rod 47 is advanced, the incision knife 44 is concave groove 43a of the upper gripping member 41a gradually increases by the elastic force of the knife operating rod 47 It is of accommodated inside,
アーム部32はストッパピン34に当接すると停止する。 Arm 32 stops and abuts the stopper pin 34.

【0049】なお、第2の実施形態においては、切開ナイフ44は矩形板状体で、下部手前側に斜めに切刃44 [0049] In the second embodiment, the incision knife 44 is a rectangular plate-like body, the cutting edge 44 at an angle on the lower front side
aを有した形状であるが、図12に示すように、下部手前側に略L字状の切刃48aを有した切開ナイフ48とすることにより、生体組織Aを一層良好に切開できる。 Is a shape having a a, as shown in FIG. 12, by the incision knife 48 having a substantially L-shaped cutting edge 48a to the lower front side, the body tissue A can be more satisfactorily incised.

【0050】本実施形態によれば、通常時には、切開ナイフ44が把持部材41aの内部に収容された状態に退避しているため、処置部3を体腔内に目的部位に誘導する際に、切開ナイフ44によって正常な組織に傷を付ける虞がなく、操作性を向上できる。 In accordance with the present embodiment, in the normal, since the incision knife 44 is retracted in a state of being accommodated inside the gripping member 41a, the treatment portion 3 in inducing the target site within the body cavity, the incision no fear that scratch the normal tissue by a knife 44, thereby improving the operability. また、切開ナイフ1 In addition, the incision knife 1
6の切れ味が低下しても切開時に生体組織Aを逃がすことなく、確実に切開できる。 Without 6 sharpness of escape the body tissue A at the incision be reduced, it can be reliably incised.

【0051】図13〜図17は第3の実施形態を示し、 [0051] FIGS. 13 to 17 show a third embodiment,
第1の実施形態と同一構成部分は同一番号を付して説明を省略する。 The same components as those of the first embodiment will be omitted with denoted by the same numbers. 本実施形態は、第1の実施形態の切開ナイフ16に代ってナイフワイヤ50を設けたものである。 The present embodiment is provided with a knife wire 50 in place of the incision knife 16 of the first embodiment.
ロッド6の軸心より下側に偏倚した位置には軸方向に亘って貫通孔51が設けられ、この貫通孔51にはばね鋼からなるナイフ操作ロッド52が進退自在に挿通されている。 The position offset below the axis of the rod 6 through hole 51 provided along the axial direction, the knife operating rod 52 made of spring steel is inserted retractably in the through hole 51. ナイフ操作ロッド52のロッド6の先端部から延出した部分は一体にナイフワイヤ50が設けられている。 Portion extending from the distal end of the rod 6 of the knives operating rod 52 is knife wire 50 is integrally provided. このナイフワイヤ50は、断面が角軸状で、上側面を鋭角に形成した切刃50aが設けられている。 The knife wire 50 in cross section in square shaft-shaped cutting edge 50a formed on the side surfaces at an acute angle is provided. また、 Also,
ナイフ操作ロッド52の基端部は操作部4まで延長しており、操作部4に設けられたナイフ操作レバー27と連結されている。 Proximal end of the knife operating rod 52 is extended to the operation portion 4 is coupled with the knife lever 27 provided in the operation section 4.

【0052】そして、このナイフワイヤ50の先端部は下側の把持部材11bの内底部に溶接等によって固定されており、ナイフワイヤ50の把持部材11bの内部に位置する部分は上側の把持部材11aに向かって円弧状に湾曲するように曲り癖が付けられている。 [0052] Then, the distal end portion of the knife wire 50 is fixed by welding or the like to the inner bottom portion of the gripping member 11b of the lower, portion positioned inside the gripping member 11b of the knife wire 50 above the gripping member 11a is attached habit bend to be curved in an arc shape toward the.

【0053】次に、第3の実施形態の作用について説明する。 Next, a description will be given of the operation of the third embodiment. 把持部材11aと11bとを閉じて生体組織Aを把持し、把持部材11a,11b間に凝固電流を流して生体組織Aを凝固するまでは第1の実施形態と同様であり、図15(b)の生体組織Aのクロス線部分は、凝固電流によって凝固された部分を示す。 Close the gripping member 11a, 11b to grip the biological tissue A, the gripping member 11a, until by applying a coagulation current between 11b coagulates the living tissue A is the same as the first embodiment, FIG. 15 (b cross line portion of the body tissue a of) shows a solidified portion by coagulation current. 生体組織Aを凝固させた後、ナイフ操作レバー27の指掛け部33に指を掛け、付勢部材の付勢力に抗してナイフ操作レバー27 After coagulating biological tissue A, over a finger on the finger hook portion 33 of the knife lever 27, the knife operating lever against the biasing force of the biasing member 27
を半時計回り方向に回動すると、長孔29に挿入されている係合ピン30を介してナイフ操作ロッド52が前進駆動する。 The When rotated counterclockwise direction, the knife operating rod 52 through the engagement pin 30 which is inserted into the long hole 29 is driven forward. ナイフ操作ロッド52の前進によってナイフ操作ロッド52の先端部に一体に設けられたナイフワイヤ50が前方に押され、ナイフワイヤ50の先端部が把持部材11bに固定されていることと、円弧状に湾曲するように曲り癖が付けられていることから、把持部材1 Knife wire 50 provided integrally with the distal end of the knife operating rod 52 by advancement of the knife operating rod 52 is pushed forward, and the tip of the knife wire 50 is fixed to the gripping member 11b, in an arc since the habit bend to be curved is attached, the gripping member 1
1aに向かって円弧状に湾曲する。 Curved in an arc shape toward the 1a.

【0054】したがって、図15に示すように、ナイフワイヤ50の切刃50aが把持部材11a,11bの把持面を通過し、把持部材11a,11b間に把持された生体組織Aの凝固された部分の内部がナイフワイヤ50 [0054] Therefore, as shown in FIG. 15, the cutting edge 50a of the knife wire 50 passes through the gripping surface of the gripping member 11a, 11b, solidified portion of the gripping member 11a, gripped living tissue A between 11b internal knife wire 50
の切刃50aによって機械的に切開される。 It is mechanically dissected by the cutting edge 50a.

【0055】切開が完了した後、ナイフ操作レバー27 [0055] After the incision is complete, knife operation lever 27
を解放すると、付勢部材のばね力によって定位置に戻り、ナイフ操作ロッド52は後退し、ナイフワイヤ50 Releasing returns to the home position by the spring force of the biasing member, the knife operating rod 52 is retracted, the knife wire 50
は弾性復元力によって略真っ直ぐに復元して下側の把持部材11bの凹溝の内部に収容され、アーム部32はストッパピン34に当接すると停止する。 Substantially straight are accommodated in the grooves of the gripping member 11b of the lower restore, the arm portion 32 is stopped and abuts against the stopper pin 34 by the elastic restoring force.

【0056】本実施形態によれば、通常時には、ナイフワイヤ50が把持部材11bの内部に収容された状態に退避しているため、処置部3を体腔内に目的部位に誘導する際に、ナイフワイヤ50によって正常な組織に傷を付ける虞がなく、操作性を向上できる。 In accordance with the present embodiment, in the normal, since the retreated state knife wire 50 is accommodated in the interior of the gripping member 11b, and the treatment portion 3 in inducing the target site within the body cavity, knife no fear that scratch the normal tissue by a wire 50, thereby improving the operability. また、切開ナイフ16の切れ味が低下しても切開時に生体組織Aを逃がすことなく、確実に切開できる。 Further, even if sharpness of the incision knife 16 is lowered without releasing the body tissue A at the incision, it can be reliably incised.

【0057】図18〜図23は第4の実施形態を示し、 [0057] FIGS. 18 to 23 show a fourth embodiment,
第1の実施形態と同一構成部分は同一番号を付して説明を省略する。 The same components as those of the first embodiment will be omitted with denoted by the same numbers. 図21〜図23に示すように、挿入部2 As shown in FIGS. 21 to 23, the insertion portion 2
は、ロッド55と、このロッド55に軸方向に進退自在に外嵌されれたシース56とからなり、シース56の先端部には絶縁材料からなる係合部材57が固定され、ロッド55の基端部は操作部4を構成するグリップ8に固定されている。 Includes a rod 55, the rod 55 consist axially movably fitted to the sheath 56, the distal end portion of the sheath 56 is fixed engaging member 57 made of an insulating material, a base of the rod 55 end is fixed to the grip 8 constituting the operation unit 4. シース56の基端部は操作部4に設けられたシース駆動部材59に固定されている。 Proximal end of the sheath 56 is fixed to the sheath drive member 59 provided in the operation section 4.

【0058】処置部3は、電極を構成する一対の把持部材61a,61bと、これらの把持部材61a,61b [0058] treatment portion 3, a pair of gripping members 61a constituting the electrode, and 61b, these gripping members 61a, 61b
を支持し、拡開させる方向に付勢する上下2本ずつの弾性部材62a,62bとからなり、これら弾性部材62 Supporting the elastic member 62a of each two vertically for urging in a direction to spreading consists of a 62b, the elastic members 62
a,62bの基端部がロッド55の先端部に固定されている。 a, proximal portion of 62b is fixed to the distal end of the rod 55. 弾性部材62a,62bはばね鋼等によって形成され、先端部には略くの字状に屈曲された屈曲部63 Elastic members 62a, 62b are formed by a spring steel or the like, the bent portion 63 at the distal end portion bent into a shape of substantially L
a,63bが形成され、表面は絶縁被膜によって被覆されている。 a, 63 b are formed, the surface is covered with an insulating coating.

【0059】図20に示すように、下側の把持部材61 As shown in FIG. 20, the lower gripping member 61
bの把持面における幅方向の中間部には鋭利な切開刃6 b sharp incision edge in the middle portion in the width direction of the gripping surface of the 6
4が前後方向に亘って設けられ、この切開刃64の両側は平坦面に形成されている。 4 is provided over the longitudinal direction, on both sides of the incision blade 64 is formed into a flat surface. 下側の把持部材61bの把持面にはシリコンゴム等の複数個の弾性体65が設けられ、この弾性体65の高さ寸法は、切開刃64の高さ寸法よりも大きく、通常時においては、切開刃64が弾性体65の間の内部にあり、組織に傷を付けないようになっている。 A plurality of elastic bodies 65 of silicone rubber or the like is provided on the gripping surface of the lower gripping member 61b, the height of the elastic member 65 is greater than the height dimension of the incision blade 64, in the normal state incision blade 64 is located inside between the elastic body 65, so as not to damage the tissue.

【0060】次に、第4の実施形態の作用について説明する。 Next, a description will be given of the operation of the fourth embodiment.

【0061】初期状態では操作部4のトリガー22の手掛け部22aは図21に示すようにグリップ8から最も離れた定位置で保持され、この状態ではシース56が後退位置にあることから一対の弾性部材62a,62bが弾性復元力で拡開し、図18に示すように、一対の把持部材61a,61bが開いた状態にある。 [0061] finger receiving portion 22a of the trigger 22 in the initial state operating part 4 is held in the most distant position from the grip 8, as shown in FIG. 21, a pair of resilient Since in this state the sheath 56 is in the retracted position members 62a, 62b is expanded by the elastic restoring force, as shown in FIG. 18, there pair of gripping members 61a, the state 61b is opened.

【0062】この状態で、挿入部2の先端の処置部3を体内の処置対象の生体組織Aの近傍位置まで誘導する。 [0062] In this state, to induce distal end treatment portion 3 of the insertion portion 2 to a position near the treatment target living tissue A within the body.
続いて、拡開した把持部材61a,61bの間に生体組織Aを挿入する。 Subsequently, it flared gripping member 61a, to insert the body tissue A during 61b. そこで、トリガー22の手掛け部22 Thus, the trigger 22 worked part 22
aを付勢部材の付勢力に抗してグリップ8側に引き込み操作することにより、シース駆動部材59を介してシース56の軸方向前方へ移動する。 By operating pull the grip 8 side against the a biasing force of the biasing member, it moves through the sheath drive member 59 axially forward of the sheath 56.

【0063】シース56の前進に伴って弾性部材62 [0063] With the advancement of the sheath 56 the elastic member 62
a,62bがシース56内に相対的に引き込まれ、弾性部材62a,62bの弾性復元力に抗して把持部材61 a, 62b is pulled relatively to the sheath 56, the gripping against the elastic member 62a, the elastic restoring force of 62b member 61
a,61bが閉じ、生体組織Aが図19に示すように、 a, 61b is closed, the biological tissue A is as shown in FIG. 19,
一対の把持部材61a,61b間に把持される。 A pair of grasping members 61a, is gripped between 61b. この状態で、高周波焼灼電源装置から高周波ケーブル21aを介して電極ピン21に高周波電流が流れ、さらに弾性部材62a,62bを介して把持部材61aと61bとの間に凝固電流が流れ、生体組織Aの凝固が行われる。 In this state, the high-frequency current flows through the electrode pin 21 from the high-frequency cauterization power supply apparatus via the high frequency cable 21a, the coagulation current flows between the gripping members 61a and 61b via further elastic member 62a, a 62b, the body tissue A coagulation is made of.

【0064】一定時間凝固電流を流して生体組織Aを凝固させた後、図23に示すように、トリガー22の手掛け部22aを付勢部材の付勢力に抗してさらにグリップ8側に引き込み操作すること、つまりトリガー22をさらに強く引くと、シース駆動部材59を介してシース5 [0064] After coagulating biological tissue A by flowing a certain time coagulation current, as shown in FIG. 23, further operation pull the grip 8 side against the finger receiving portion 22a of the trigger 22 the urging force of the urging member be, that is pulled more strongly the trigger 22, the sheath 5 via the sheath drive member 59
6がさらに軸方向前方へ移動する。 6 is further moved axially forward.

【0065】シース56の前進に伴って弾性部材62 [0065] With the advancement of the sheath 56 the elastic member 62
a,62bがシース56内に相対的にさらに深く引き込まれ、把持部材61a,61bが強く閉じられるため、 For a, 62b are drawn relatively deeper into the sheath 56, the gripping member 61a, 61b is closed strongly,
弾性体65が圧縮され、相対的に切開刃64が突出する。 The elastic body 65 is compressed, relatively incision blade 64 protrudes. したがって、切開刃64が把持部材61a,61b Therefore, the incision blade 64 is gripping member 61a, 61b
の把持面を通過して把持部材61a,61b間に把持された生体組織Aは切開刃64によって機械的に切開される。 Passing to the gripping member 61a a gripping surface of the gripping living tissue A between 61b is mechanically dissected by incision blade 64.

【0066】切開が完了した後、トリガー22を解放すると、付勢部材のばね力によって定位置に戻り、シース56は後退し、弾性部材62a,62bの弾性復元力によって開き、把持部材61a,61bは生体組織Aから解放される。 [0066] After the incision has been completed, when releasing the trigger 22 to return to the home position by the spring force of the biasing member, the sheath 56 is retracted, open by the elastic restoring force of the elastic member 62a, 62b, gripping member 61a, 61b It is released from the body tissue A.

【0067】本実施形態においては、グリップ8を握ってトリガー22の手掛け部22aを引き込む一連の動作によって生体組織Aを把持して凝固させ、その凝固部分を切開することができ、操作性を向上させることができる。 [0067] In this embodiment, by grasping the grip 8 is coagulated by grasping a biological tissue A by a series of operations of pulling the finger receiving portion 22a of the trigger 22, it is possible to incise the solidified portion, improving operability it can be. また、切開ナイフ16の切れ味が低下しても切開時に生体組織Aを逃がすことなく、確実に切開できる。 Further, even if sharpness of the incision knife 16 is lowered without releasing the body tissue A at the incision, it can be reliably incised. なお、本実施形態においては、一対の把持部材61a,6 In the present embodiment, a pair of gripping members 61a, 6
1bのうち、下側の把持部材61bのみに切開刃64及び弾性体65を設けたが、図24に示すように、一対の把持部材61a,61bの両方に切開刃64及び弾性体65を互いに対向して設けてもよく、図25に示すように、下側の把持部材61bもしくは一対の把持部材61 Among 1b, the is provided an incision blade 64 and the elastic body 65 only to the gripping member 61b of the lower, as shown in FIG. 24, a pair of gripping members 61a, an incision blade 64 and the elastic body 65 on both 61b mutually It may be provided opposite, as shown in Figure 25, the lower gripping member 61b or the pair of gripping members 61
a,61bの両方にばね66を介してブロック67を取り付け、通常時において、ブロック67の高さが切開刃64より高くなるようにしてもよい。 a, mounting block 67 via a spring 66 to both 61b, at the normal time, may be the height of the block 67 is higher than the incision blade 64.

【0068】本実施形態によれば、通常時には、切開刃64が弾性体65の間に没入された状態に退避しているため、処置部3を体腔内に目的部位に誘導する際に、切開刃64によって正常な組織に傷を付ける虞がなく、操作性を向上できる。 According to [0068] this embodiment, in the normal, since the incision blade 64 is retracted in a state of being retracted between the elastic body 65, the treatment portion 3 in inducing the target site within the body cavity, the incision no fear that scratch the normal tissue by blade 64, thereby improving the operability.

【0069】また、前述した第1〜第4の実施形態においては、切開刃及びナイフワイヤにおける切開手段は、 [0069] Further, in the first to fourth embodiments described above, incision means in the incision blade and knife wire
機械的な切開について説明したが、切開時に切開刃及びナイフワイヤに切開電流を流して機械的及び電気的に切開するようにしてもよい。 Have been described mechanical incision may be mechanically and electrically incision by passing an incision current to the incision blade and knife wire during dissection.

【0070】図26〜図31は内視鏡下手術器械の第1 [0070] FIGS. 26 31 first endoscopic surgical instruments
の開示例を示し、図31は全体構成図である。 Indicates disclosed example, FIG. 31 is an overall configuration diagram. 手術器械70は挿入部71と、この挿入部71の先端部に設けられた処置部72と、挿入部71の基端部に設けられた操作部73とから構成され、手術器械70は高周波焼灼電源装置74に接続されている。 Surgical instruments 70 to the insertion portion 71, a treatment portion 72 provided at the distal end of the insertion portion 71, is configured from the operation unit 73 provided at the proximal end of the insertion portion 71, the surgical instrument 70 is a high-frequency cauterization It is connected to a power supply 74.

【0071】図26〜図30に示すように、挿入部71 [0071] As shown in FIGS. 26 to 30, the insertion portion 71
は内シース75と、この内シース75に外嵌され軸方向に進退自在な外シース76とから二重管構造に構成されている。 The inner sheath 75 is constructed from the inner sheath 75 retractably in fitted on axially outer sheath 76. the double pipe structure. 内シース75の先端部は外シース76の先端部より突出しており、この突出部には固定ジョー77が設けられている。 The distal end portion of the sheath 75 protrudes from the distal end portion of the outer sheath 76, the fixed jaw 77 is provided in the protruding portion. 固定ジョー77の上面には鋸歯状の凹凸面が形成されていると共に、幅方向の中間部には前後方向に亘って案内溝77aが設けられている。 With the upper surface of the fixed jaw 77 is formed serrated uneven surfaces, is provided with guide grooves 77a over the front-rear direction in the middle portion in the width direction. さらに、固定ジョー77の両側面には前後方向に長いスライド溝7 Furthermore, the long sliding groove 7 in the longitudinal direction on both sides of the fixed jaw 77
8が設けられ、このスライド溝78には外シース76の先端部に横方向に貫通して設けられた枢支ピン79が挿入されている。 8 is provided, the pivot pin 79 which penetrates laterally distal end portion of the outer sheath 76 is inserted into the slide groove 78. したがって、外シース76はスライド溝78の長さの範囲内で進退自在である。 Thus, the outer sheath 76 is movable back and forth within the length of the slide groove 78.

【0072】さらに、枢支ピン79の中間部には可動ジョー80が回動自在に枢支されている。 [0072] Further, the middle portion of the pivot pin 79 movable jaw 80 is pivotally supported. この可動ジョー80は固定ジョー77の案内溝77aに対向し、案内溝77aの溝幅より狭幅に形成されている。 The movable jaw 80 is opposed to the guide groove 77a of the fixed jaw 77, and is formed narrower than the groove width of the guide groove 77a. また、可動ジョー80の基端部で、枢支ピン79より下側に位置する部分には連結ピン81が設けられ、この連結ピン81にはジョー操作ロッド82の先端部が回動自在に連結されている。 Also, at the proximal end portion of the movable jaw 80, the portion located below the pivot pin 79 connecting pin 81 is provided, rotatably connected front end portion of the jaw operating rod 82 in the connecting pin 81 is rotated It is. ジョー操作ロッド82は内シース75の内部を貫通して前記操作部73まで延長しており、内シース7 Joe operating rod 82 through the interior of the inner sheath 75 is extended to the operation portion 73, the inner sheath 7
5及び外シース76も操作部73まで延長している。 5 and the outer sheath 76 is also extended to the operation portion 73.

【0073】操作部73は固定ハンドル83と、この固定ハンドル83に枢支軸84によって回動自在に枢支された可動ハンドル85及び可動ハンドル85を反時計回り方向に付勢する付勢部材(図示しない)とから構成されている。 [0073] The operation unit 73 includes a fixed handle 83, the biasing member for biasing the fixed handle 83 movable handle 85 and movable handle 85 which is rotatably supported by the pivot shaft 84 in a counterclockwise direction ( It is constructed from not) and shown. 固定ハンドル83には内シース75の基端部が連結され、外シース76の基端部は固定ハンドル83 Proximal end of the inner sheath 75 is connected to the fixed handle 83, proximal portion of the outer sheath 76 is fixed handle 83
の近傍まで延長しており、この固定ハンドル83と外シース76の基端部との間には内シース75に対して嵌合するコイルばね86が設けられている。 It is extended to the vicinity of the coil spring 86 to be fitted is provided with respect to the inner sheath 75 between the proximal end portion of the fixed handle 83 and the outer sheath 76. そして、コイルばね86の復元力によって外シース76を前進する方向に付勢している。 Then, it is biased in a direction to advance the outer sheath 76 by the restoring force of the coil spring 86. また、可動ハンドル85にはジョー操作ロッド82の基端部が連結されている。 The base end portion of the jaw operating rod 82 is coupled to the movable handle 85.

【0074】さらに、固定ハンドル83の上部には凝固電流と切開電流とを切換える電流切換えスイッチ87が取り付けられている。 [0074] Further, the upper portion of the fixed handle 83 is attached current changeover switch 87 for switching between a coagulation current dissection current. この電流切換えスイッチ87と対向する外シース76の基端部にはスイッチ操作レバー8 Switch operating lever 8 is in the proximal portion of the outer sheath 76 opposite to the current changeover switch 87
8が取り付けられている。 8 is attached. 電流切換えスイッチ87はケーブル89を介して前記高周波焼灼電源装置74に接続されている。 Current changeover switch 87 is connected to the high-frequency cauterization power supply apparatus 74 via the cable 89.

【0075】次に、前述のように構成された手術器械7 [0075] Next, surgical instruments 7, which is configured as described above
0の作用について説明する。 Action of 0 will be described.

【0076】まず、体腔内に挿入部71を挿入して処置部72を処置対象部位に誘導する。 [0076] First, it induces the treatment section 72 to the treatment target portion by inserting the insertion portion 71 into the body cavity. 通常時においては、 In the normal,
可動ハンドル85は付勢部材によって反時計回りに方向に付勢されているため、可動ハンドル85によってジョー操作ロッド82は前進状態にあり、可動ジョー80は枢支ピン79を支点として時計回り方向に回動して固定ジョー77に対して可動ジョー80が開いた状態にある。 Because the movable handle 85 is urged in the direction counter-clockwise by the urging member, the jaw operating rod 82 by the movable handle 85 is in a forward drive state, the movable jaw 80 in the clockwise direction pivotal pin 79 as the fulcrum It is in a state where the movable jaw 80 is opened with respect to the fixed jaw 77 to pivot.

【0077】そこで、図27に示すように、固定ジョー77と可動ジョー80との間に生体組織Aに入れ、可動ハンドル85の指掛け部に指を掛けて固定ハンドル83 [0077] Therefore, as shown in FIG. 27, placed in body tissue A between the fixed jaw 77 and a movable jaw 80, fixed handle 83 by applying a finger to the finger hook portion of the movable handle 85
に接近する時計回り方向に回動すると、ジョー操作ロッド82は後退する。 When rotated in the clockwise direction approaching the jaw operating rod 82 is retracted. ジョー操作ロッド82が手元側に引かれると、図28に示すように、連結ピン81を介して連結されている可動ジョー80は枢支ピン79を支点として反時計回り方向に回動し、固定ジョー77に対して可動ジョー80が閉じて生体組織Aを把持する。 The jaw operating rod 82 is pulled proximally, as shown in FIG. 28, the movable jaw 80 which is connected via a connecting pin 81 is rotated in the counterclockwise direction pivotal pin 79 as a fulcrum, the fixed movable jaw 80 to grip the body tissue a closed to the jaw 77.

【0078】そこで、高周波焼灼電源装置74から凝固電流を流すと、凝固電流はケーブル89、電流切換えスイッチ87を介して固定ジョー77と可動ジョー80との間に凝固電流が流れ、生体組織Aの凝固が行われる。 [0078] Therefore, the flow coagulation current from the high-frequency cauterization power supply apparatus 74, the coagulation current cable 89, the coagulation current flows between the fixed jaw 77 and movable jaw 80 via the current switching switch 87, the body tissue A coagulation is carried out.

【0079】一定時間凝固電流を流して生体組織Aを凝固させた後、可動ハンドル85をさらに固定ハンドル8 [0079] After coagulating biological tissue A by flowing a certain time coagulation current, further fixed handle movable handle 85 8
3に接近する方向に回動させると、ジョー操作ロッド8 It is rotated in a direction approaching to 3, the jaw operating rod 8
2はさらに後退する。 2 further retreat. ジョー操作ロッド82がさらに手元側に引かれると、連結ピン81を介して連結されている可動ジョー80は手元側に引かれるため、枢支ピン7 Because the jaw operating rod 82 is pulled further proximally, movable jaw 80 which is connected via a connecting pin 81 is pulled proximally, the pivot pin 7
9を介して連結されている外シース76もコイルばね8 The outer sheath 76 which is connected via a 9 also coil spring 8
6の復元力に抗して後退する。 To retreat against the restoring force of the 6. このとき、枢支ピン79 At this time, the pivot pin 79
はスライド溝78に支持されているため、枢支ピン79 Since it is supported by the slide groove 78, the pivot pin 79
はスライド溝78内をスライドして後退し、可動ジョー80が固定ジョー77の案内溝77aに沿って移動する。 Is retracted by sliding within the slide groove 78, the movable jaw 80 is moved along the guide groove 77a of the fixed jaw 77. すなわち、可動ジョー80が凝固された生体組織A That is, the body tissue A movable jaw 80 is solidified
を剪断力によって切開する動作に移り、このとき外シース76の後退によってスイッチ操作レバー88が電流切換えスイッチ87を押圧して電流を切換えるため、高周波焼灼電源装置74から固定ジョー77と可動ジョー8 The move to an operation of incision by the shearing force, for switching the current at this time the switch operation lever 88 by the retraction of the outer sheath 76 presses the current change-over switch 87, fixed from the high-frequency cauterization power supply apparatus 74 jaw 77 and the movable jaw 8
0との間に切開電流が流れる。 0 incision current flows between. したがって、可動ジョー80の移動による機械的な切開と切開電流との電気的切開が同時に行える。 Thus, enabling electrical incision and mechanical dissection and incision current by the movement of the movable jaw 80 at the same time.

【0080】切開が完了した後、可動ハンドル85を解放すると、付勢部材のばね力によって定位置に戻り、外シース76は前進すると共に、ジョー操作ロッド82が前進して可動ジョー80は前進すると共に固定ジョー7 [0080] After the incision is complete, releases the movable handle 85 returns to the home position by the spring force of the biasing member, along with the outer sheath 76 moves forward, the movable jaw 80 jaw operating rod 82 moves forward is advanced fixed jaw together with 7
7から離れる方向に開き、生体組織Aから解放される。 Opening in a direction away from 7, is released from the body tissue A.

【0081】本実施形態においては、可動ハンドル85 [0081] In this embodiment, the movable handle 85
を固定ハンドル83側に接近方向に回動する一連の動作によって生体組織Aを把持して凝固させ、その凝固部分を切開することができ、操作性を向上させることができる。 The gripping the body tissue A solidified by a series of operations that rotate the approaching direction to the fixed handle 83 side, it is possible to incise the solidified portion, thereby improving the operability.

【0082】図32は手術器械の第2の開示例を示し、 [0082] Figure 32 shows a second example disclosed surgical instruments,
第1の開示例と同一構成部分は同一番号を付して説明を省略する。 Same components as the first disclosed embodiment will be omitted with denoted by the same numbers. 本開示例は、第1の開示例の操作部73にロック機構を設けたものである。 Examples The present disclosure is provided with a locking mechanism on the operation unit 73 of the first disclosed embodiment. 外シース76の基端部には手元側に延出する延出レバー90が設けられ、この延出レバー90の先端部には掛止部91が設けられている。 The proximal portion of the outer sheath 76 extending lever 90 is provided which extends proximally, hook portion 91 is provided at the distal end portion of the extending lever 90. 固定ハンドル83にはトリガー92によって回動自在な掛止爪93が設けられ、掛止爪93は掛止部91に掛止されている。 Pawl 93 freely rotate by the trigger 92 is provided on the fixed handle 83, pawl 93 is hooked on the hook portion 91. したがって、固定ハンドル83に対して外シース76が前後方向に移動不能にロックされ、可動ジョー80が不用意に前後方向に移動しないようになっている。 Thus, the outer sheath 76 is locked immovably in the longitudinal direction with respect to the fixed handle 83, the movable jaw 80 is prevented from moving carelessly in the front-rear direction.

【0083】このように構成することにより、生体組織Aを把持して凝固する際に、可動ハンドル85を過剰に操作しても外シース76が後退することはなく、可動ジョー80による不用意な切開動作を防止でき、切開時にはトリガー92を操作して掛止爪93を掛止部91から外してロック解除してから操作すればよい。 [0083] With such a configuration, when the solidified gripping the biological tissue A, never outer sheath 76 is retracted even by manipulating the movable handle 85 too, inadvertent by the movable jaw 80 It prevents incision operation may be operated from the unlocked to remove the pawl 93 by operating the trigger 92 from the hook member 91 at the time of dissection.

【0084】図33は手術器械の第3の開示例を示し、 [0084] Figure 33 shows a third example disclosed surgical instruments,
第1の開示例と同一構成部分は同一番号を付して説明を省略する。 Same components as the first disclosed embodiment will be omitted with denoted by the same numbers. 本開示例は、ジョー操作ロッド82を可動ハンドル85によって駆動し、外シース76は固定ハンドル83に設けたシーススライドアクチュエータ94によって駆動するようにしたものである。 Examples The present disclosure, a jaw operating rod 82 is driven by the movable handle 85, the outer sheath 76 is obtained so as to drive the sheath slide actuator 94 provided in the fixed handle 83.

【0085】高周波焼灼電源装置74にはインピーダンス検知器95が設けられ、このインピーダンス検知器9 [0085] Impedance detector 95 is provided in the high-frequency cauterization power supply apparatus 74, the impedance detector 9
5はシーススライドアクチュエータ94を駆動するアクチュエータ駆動装置96に接続されている。 5 is connected to the actuator driving unit 96 for driving the sheath slide actuator 94. 高周波焼灼電源装置74から凝固電流を流し、固定ジョー77と可動ジョー80との間に凝固電流を流して生体組織Aの凝固を行った後、生体組織Aのインピーダンスをインピーダンス検知器95によって検知して凝固が完全に行われたか否かを判断する。 Flowing a coagulation current from the high-frequency cauterization power supply apparatus 74, by supplying a coagulation current between the fixed jaw 77 and movable jaw 80 after the coagulation of biological tissue A, detects the impedance of the body tissue A by the impedance detector 95 coagulation Te is determined whether or not completely performed.

【0086】そして、生体組織Aのインピーダンスによって凝固が完全におこなわたことを判断したとき、インピーダンス検知器95はアクチュエータ駆動装置96に駆動信号を出力し、アクチュエータ駆動装置96はシーススライドアクチュエータ94を駆動して外シース76 [0086] When the coagulated by the impedance of the body tissue A has determined that it has completely performed, the impedance detector 95 outputs a drive signal to the actuator driving unit 96, the actuator driving device 96 drives the sheath slide actuator 94 the outer sheath 76 and
を後退移動させ、可動ジョー80を後方にスライドさせて生体組織Aの切開を行う。 The moved backward, it performs an incision of the body tissue A and slide the movable jaw 80 at the rear. このように構成することにより、生体組織Aを把持して凝固する際に、可動ハンドル85を過剰に操作しても外シース76が後退することはなく、可動ジョー80による不用意な切開動作を防止できる。 With this configuration, when the solidified gripping the biological tissue A, never outer sheath 76 is retracted even by manipulating the movable handle 85 too, inadvertent lancing operation by the movable jaw 80 It can be prevented.

【0087】図34及び図35は第4の開示例を示し、 [0087] FIGS. 34 and 35 show a fourth disclosed embodiment,
第1の開示例と同一構成部分は同一番号を付して説明を省略する。 Same components as the first disclosed embodiment will be omitted with denoted by the same numbers. 本開示例は、枢支ピン79及びこの枢支ピン79に枢支された可動ジョー80に絶縁層79A,80 Examples The present disclosure, the movable jaw 80 which is pivotally supported on the pivot pin 79 and the pivot pin 79 the insulating layer 79A, 80
Aを設け、固定ジョー77と可動ジョー80とを電気的絶縁状態にしてバイポーラ化したものである。 The A provided, is obtained by bipolar reduction by a fixed jaw 77 and movable jaw 80 to the electrically insulated state.

【0088】図36及び図37は第5の開示例を示す。 [0088] FIGS. 36 and 37 show the disclosure of the fifth.
本開示例は、挿入部としての軸方向に進退自在なスライドパイプ100の先端部に軸方向に進退自在な第1の可動ジョー101とアーム102に固定された第2の可動ジョー103とから構成されている。 Examples The present disclosure comprises a first of the second movable jaw 103 which is fixed to the movable jaw 101 and the arm 102 in the axial direction rotatively in the axial direction at the tip portion of the forward and backward freely slide pipe 100 as the insertion portion It is. アーム102は弾性部材によって形成され、拡開方向に曲り癖が付けられており、スライドパイプ100が後退することにより、 Arm 102 is formed of an elastic member, a bending tendency to the expansion direction and is attached, by a slide pipe 100 is retracted,
第1の可動ジョー101に対して第2の可動ジョー10 First second movable jaw 10 with respect to the movable jaw 101 of
3が開き、スライドパイプ100が前進することにより、第1の可動ジョー101に対して第2の可動ジョー103が閉じて生体組織Aを把持できるようになっている。 3 is opened by the slide pipe 100 is advanced, first second movable jaw 103 with respect to the movable jaw 101 is enabled to grip the body tissue A closed.

【0089】そして、高周波焼灼電源装置から第1の可動ジョー101と第2の可動ジョー103との間に凝固電流を流して生体組織Aを凝固させた後、第1の可動ジョー101と第2の可動ジョー103との間に切開電流を流すとともに、第1の可動ジョー101を後退させると、第1の可動ジョー101の移動による機械的な切開と切開電流との電気的切開が同時に行える。 [0089] Then, after the high-frequency cauterization power supply apparatus to flow to the first movable jaw 101 coagulation current between the second movable jaw 103 to coagulate body tissue A, and the first movable jaw 101 and the second with flow incision current between the movable jaw 103 of retracting the first movable jaw 101, enabling electrical incision and mechanical dissection and incision current by the movement of the first movable jaw 101 at the same time.

【0090】切開が完了した後、スライドパイプ100 [0090] After the incision is complete, the slide pipe 100
を後退させると、アーム102の弾性力によって拡開して第2の可動ジョー103は第1の可動ジョー101から離れる方向に開き、生体組織Aから解放される。 Retracting the second movable jaw 103 is expanded by the elastic force of the arm 102 is open in a direction away from the first movable jaw 101 is released from the body tissue A.

【0091】前記実施の形態によれば、次のような構成が得られる。 [0091] According to the embodiment, a structure such as the following are obtained.

【0092】(付記1)組織を把持する一対の把持部材と、前記把持部材の把持面に設けられた双極電極と、組織を切開する切開手段とを備えた内視鏡下手術器械において、前記切開手段は、把持する組織に接触しないよう前記把持部材の内部に収容される第1の位置に配置され、切開時に切開手段の少なくとも一部が第1の位置から一対の把持部材で形成される把持面を通過するように移動自在であることを特徴とする内視鏡下手術器械。 [0092] (Note 1) and a pair of gripping members for gripping the tissue, and a bipolar electrode provided on the gripping surface of the gripping member, in an endoscopic surgical instruments having a incision means for cutting tissue, wherein incision means are arranged in a first position, which is accommodated inside the gripping member so as not to contact the gripped tissue, at least part of the cutting means during the incision is formed by a pair of gripping members from the first position endoscopic surgical instruments, which is a movable so as to pass through the gripping surface.

【0093】(付記2)切開手段は、収納される把持部材の開閉動作に応じて移動可能なような弾性部材で支持されていることを特徴とする付記1記載の内視鏡下手術器械。 [0093] (Note 2) incision means, endoscopic surgical instruments according to Supplementary Note 1, wherein the is supported by an elastic member such as movable in response to the opening and closing operation of the housing is being gripped member.

【0094】(付記3)切開手段は、切開操作部材を有し、この切開操作部材は、切開手段を付勢する弾性部材に係合しない第1の位置と弾性部材に係合してその付勢力に抗して切開手段を把持部材から突出させる第2の位置に移動可能であることを特徴とする付記1または2記載の内視鏡下手術器械。 [0094] (Supplementary Note 3) incision means has an incision operating member, the incision operating member, with its engaged with the first position and the elastic member not engaged with the elastic member for urging the incision means Appendix 1 or 2 endoscopic surgical instrument, wherein the incision means against the force which is movable to a second position to protrude from the grip member.

【0095】(付記4)切開手段は、鋭利な切刃を有する切開刃であることを特徴とする付記1または2記載の内視鏡手術器械。 [0095] (Supplementary Note 4) incision means, Appendix 1 or 2 endoscopic surgical instruments according to characterized in that the incision blade having a sharp cutting edge.

【0096】(付記5)切開手段は、把持部材の内部に収納される第1の位置と挿入部内まで後退する第2の位置との間を移動可能であることを特徴とする付記1または2記載の内視鏡手術器械。 [0096] (Supplementary Note 5) incision means, Appendix 1 or 2, characterized in that to the first position and the insertion portion of which is accommodated inside the gripping member is movable between a second position retracted endoscopic surgical instruments described.

【0097】(付記6)切開手段は、L字状の切刃を有する切開刃であることを特徴とする付記5記載の内視鏡手術器械。 [0097] (Supplementary Note 6) incision means, endoscopic surgical instruments according to Note 5, wherein the a incision blade having an L-shaped cutting edge.

【0098】(付記7)切開手段は、先端が一方の把持部材に固定され、後端が把持部材に対して移動可能な弾性を有するナイフワイヤで、このナイフワイヤは、前進動作に伴って湾曲して把持部材の把持面を通過することを特徴とする付記1記載の内視鏡手術器械。 [0098] (Supplementary Note 7) incision means, the leading end is fixed to one of the gripping members, a knife wire trailing end having a movable elastic relative gripping members, the knife wire bent moves forward endoscopic surgical instruments according to Supplementary note 1, wherein the passing a gripping surface of the gripping member is.

【0099】(付記8)ナイフワイヤは、湾曲方向に鋭利な切刃を有していることを特徴とする付記7記載の内視鏡手術器械。 [0099] (Supplementary Note 8) knife wire endoscopic surgical instruments according to Supplementary Note 7, wherein the has a sharp cutting edge the curve direction.

【0100】(付記9)組織の凝固後に凝固部位を切開するための機能を有した高周波処置具において、通常の把持操作では組織に切開を行わないよう、組織把持部に組織の切開を制御する弾性部材を有していることを特徴とする高周波処置具。 [0100] In (Supplementary Note 9) high-frequency treatment instrument having a function for cutting coagulation site after tissue coagulation, under normal gripping operation not to perform an incision in tissue, controls the incision of the tissue to the tissue grasping portion high-frequency treatment instrument, characterized in that it has a resilient member.

【0101】(付記10)凝固操作と切開操作が一連の動作で行えることを特徴とする付記9記載の高周波処置具。 [0102] (Supplementary Note 10) high-frequency treatment instrument according to Note 9, wherein the perform coagulation operation and incision operations in a series of operations.

【0102】(付記11)操作部の操作により凝固操作と切開操作が一連の動作で行えることを特徴とする付記10記載の高周波処置具。 [0102] (Supplementary Note 11) high-frequency treatment instrument according to Note 10, wherein the perform coagulation operation as dissection operation by operating the operation unit is in a series of operations.

【0103】(付記12)弾性部材は、シリコンゴムであることを特徴とする付記9記載の高周波処置具。 [0103] (Supplementary Note 12) elastic members, high-frequency treatment instrument according to Note 9, wherein it is a silicone rubber.

【0104】(付記13)シリコンゴムはばねによって支持されていることを特徴とする付記12記載の高周波処置具。 [0104] (Supplementary Note 13) silicone rubber-surgical device according to Note 12, wherein the is supported by a spring.

【0105】(付記14)組織切開部は、組織把持面の一部に設けられ鋭利な切刃を有していることを特徴とする付記9記載の高周波処置具。 [0105] (Supplementary Note 14) tissue incision, the high-frequency treatment instrument according to Note 9, wherein a has a sharp cutting edge provided on a portion of the tissue gripping surface.

【0106】(付記15)組織切開部は、その両側に組織把持面を持っていることを特徴とする付記14記載の高周波処置具。 [0106] (Supplementary Note 15) tissue incision, the high-frequency treatment instrument according to Note 14, wherein the has a tissue gripping surface on both sides.

【0107】(付記16)相対的に開閉する一対のジョーを挿入部の先端に有し、組織を凝固する内視鏡下手術器械において、一方のジョーが他方のジョーに対して開閉するとともに近位側に挿入部と略平行にスライドし、 [0107] (Supplementary Note 16) has a pair of jaws relative opening and closing the distal end of the insertion portion, the endoscopic surgical instruments of coagulating tissue, near with one jaw is opened and closed with respect to the other jaw substantially parallel to the slide and the insertion portion into position side,
一対のジョーの組織接触面には凝固面が形成され、凝固面に高周波電流を通電して組織の切開を行う内視鏡下手術器械。 The tissue contacting surfaces of the pair of jaws coagulation surface is formed, endoscopic surgical instruments that is a high-frequency current to perform tissue dissection coagulation surface.

【0108】(付記17)一対のジョーは、第1のジョーと第2のジョーとからなり、第1のジョーは第2のジョーに対して回動自在に支点ピンで支持され、さらに支点ピンは第2のジョーに挿入部と略平行に設けられたスライド溝内をスライド可能であり、さらに支点ピンは第2のジョーに対してスライド可能に設けられたシースに接続され、シースにはスライド防止手段が設けられた付記16記載の内視鏡下手術器械。 [0108] (Supplementary Note 17) pair of jaws comprises a first jaw and a second jaw, the first jaw is supported in freely pivot pins rotate relative to the second jaw, further fulcrum pin is slidable in a slide groove formed substantially parallel to the insertion portion to the second jaw, further fulcrum pin is connected to the sheath is slidable relative to the second jaw, the sheath slides endoscopic surgical instruments of prevention means is provided appended 16 wherein.

【0109】(付記18)第1のジョーは弾性変形可能なアームで支持され、アームにシースがスライドして係合することで開閉するとともに、第2のジョーは第1のジョー及びシースに対してスライドし、シースにはスライド防止手段が設けられた付記16記載の内視鏡下手術器械。 [0109] (E18) the first jaw is supported by an elastically deformable arm, together with the sheath in the arm to open and close by engaging with the slide, the second jaw relative to the first jaw and the sheath slide, endoscopic surgical instruments according to note 16, wherein the slide prevention means is provided in the sheath Te.

【0110】(付記19)スライド防止手段は、シースを遠位方向に付勢するコイルばねからなる付記17または18記載の内視鏡下手術器械。 [0110] (Supplementary Note 19) slide preventing means, Appendix 17 or 18 endoscopic surgical instruments according a coil spring for biasing the sheath in the distal direction.

【0111】(付記20)スライド防止手段は、さらにシースに接続された掛止部及びこの掛止部に係脱に係合する掛止爪を有している付記19記載の内視鏡下手術器械。 [0111] (Supplementary Note 20) slide preventing means further sheath connected hooking portion and endoscopic surgery note 19, wherein has a latching pawl which engages the disengaged to the engagement portion instrument.

【0112】(付記21)付記16乃至18記載の内視鏡下手術器械は、シーススライドアクチュエータからなるスライド防止手段と、生体組織のインピーダンスを検知するインピーダンス検知器と、アクチェエータ駆動装置とを有し、凝固された組織のインピ一ダンスが所定の値を超えたときにアクチェエータ駆動装置がシーススライドアクチュエータを作動させ、ジョーをスライドさせることを特徴とする内視鏡下手術器械。 [0112] (Supplementary Note 21) Supplementary Note 16 or 18 endoscopic surgical instruments according includes a slide preventing means consisting of the sheath slide actuator, an impedance detector for detecting the impedance of the living tissue, and a Akucheeta drive , Akucheeta driving device when Inpi one dance coagulated tissue exceeds a predetermined value actuates the sheath slide actuator, endoscopic surgical instruments, characterized in that sliding the jaws.

【0113】(付記22)付記16〜21のいずれかに記載の内視鏡下手術器械は、一方のジョーを他方のジョーから絶縁する手段を含み、各々のジョーには異なる極の高周波電流を通電可能な内視鏡下手術器械。 [0113] endoscopic surgical instrument according to any one of (Supplementary Note 22) Supplementary Note 16 to 21, including means for insulating one jaw from the other jaw, a high-frequency current of different poles in each of the jaws energizable endoscopic surgical instruments.

【0114】(付記23)付記16〜21のいずれかに記載の内視鏡下手術器械は、ジョーが閉じて組織凝固時には凝固電流を、ジョーのスライド時に切開電流を通電することにより連続的に組織の凝固・切開が可能な内視鏡下手術器械。 [0114] (Supplementary Note 23) an endoscopic surgical instrument according to any one of appendices 16 to 21, the coagulation current during tissue coagulation jaws closed, continuously by energizing an incision current when the slide jaw endoscopic surgical instruments capable of solidifying and dissection of tissue.

【0115】(付記24)付記23において、ジョーのスライド開始に応じて電流を凝固電流から切開電流に変化させる手段を持つ内視鏡下手術器械。 [0115] (Note 24) In Addition 23, an endoscopic surgical instrument having means for varying the current from the coagulating current to the incision current according to the sliding start of the jaws.

【0116】 [0116]

【発明の効果】以上説明したように、この発明によれば、切開手段を、把持する組織に接触しないよう把持部材の内部に収容し、切開時に切開手段の少なくとも一部が一対の把持部材で形成される把持面を通過するように移動自在にしたから、体腔内に挿入したとき、切開手段が正常な組織に接触して傷を付ける虞がなく、操作性の向上を図ることができる。 As described in the foregoing, according to the present invention, the incision means, housed inside the gripping member so as not to contact the gripped tissue, at least part of the pair gripping members incision means during dissection since the gripping surface formed was movable to pass, when inserted into the body cavity, there is no fear that put scratches in contact with normal tissue dissection device, it is possible to improve the operability. また、切開手段の切れ味が低下しても切開時に生体組織を逃がすことなく、確実に切開できるという効果がある。 Further, even if the sharpness of the cutting means is lowered without releasing the body tissue during the incision, there is an effect that can be reliably incised.

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

【図1】この発明の第1の実施形態を示し、(a)は内視鏡下手術器械の全体の平面図、(b)は同側面図、 [1] shows a first embodiment of the present invention, (a) is a plan view of the whole endoscopic surgical instruments, (b) is a side view of the same,
(c)は把持部材が開いた状態の側面図。 (C) is a side view showing a state in which the gripping members open.

【図2】同実施形態の内視鏡下手術器械の動作説明図。 [2] Operation view of endoscopic surgical instruments according to the embodiment.

【図3】同実施形態の内視鏡下手術器械の動作説明図。 [3] Operation view of endoscopic surgical instruments according to the embodiment.

【図4】同実施形態を示し、把持部材が開いた状態の縦断側面図。 Figure 4 shows the same embodiment, longitudinal side view showing a state in which the gripping members open.

【図5】同実施形態を示し、(a)は把持部材が閉じて生体組織を凝固している状態の縦断側面図、(b)はA Figure 5 shows the same embodiment, (a) shows the longitudinal side view showing a state in which the gripping members are solidified body tissue to close, (b) is A
−A線に沿う断面図。 Sectional view taken along -A line.

【図6】同実施形態を示し、(a)は生体組織の切開状態の縦断側面図、(b)はB−B線に沿う断面図。 6 shows the same embodiment, (a) shows the longitudinal side view of the dissecting state of biological tissue, (b) is a sectional view taken along line B-B.

【図7】この発明の第2の実施形態を示す内視鏡下手術器械の動作説明図。 [7] Operation Figure endoscopic surgical instruments according to a second embodiment of the present invention.

【図8】同実施形態の内視鏡下手術器械の動作説明図。 [8] diagram for describing operation of the endoscopic surgical instruments according to the embodiment.

【図9】同実施形態を示し、把持部材が開いた状態の縦断側面図。 9 shows the same embodiment, longitudinal side view showing a state in which the gripping members open.

【図10】同実施形態を示し、把持部材が閉じて生体組織を凝固している状態の縦断側面図。 [Figure 10] shows the same embodiment, longitudinal side view showing a state in which the gripping members are solidified body tissue closed.

【図11】同実施形態を示し、(a)は生体組織の切開状態の縦断側面図、(b)はC−C線に沿う断面図。 [Figure 11] shows the same embodiment, (a) shows the longitudinal side view of the dissecting state of biological tissue, (b) is a sectional view taken along line C-C.

【図12】同実施形態の切削刃の変形例を示す側面図。 Figure 12 is a side view showing a modification of the cutting edge of the embodiment.

【図13】この発明の第3の実施形態を示し、把持部材が開いた状態の縦断側面図。 [Figure 13] shows a third embodiment of the present invention, longitudinal side view showing a state in which the gripping members open.

【図14】同実施形態を示し、把持部材が閉じて生体組織を凝固している状態の縦断側面図。 [Figure 14] shows the same embodiment, longitudinal side view showing a state in which the gripping members are solidified body tissue closed.

【図15】同実施形態を示し、(a)は生体組織の切開状態の縦断側面図、(b)はD−D線に沿う断面図。 [Figure 15] shows the same embodiment, (a) shows the longitudinal side view of the dissecting state of biological tissue, (b) is a sectional view taken along the line D-D.

【図16】同実施形態の内視鏡下手術器械の動作説明図。 [16] Operation view of endoscopic surgical instruments according to the embodiment.

【図17】同実施形態の内視鏡下手術器械の動作説明図。 [17] Operation view of endoscopic surgical instruments according to the embodiment.

【図18】この発明の第4の実施形態を示し、把持部材が開いた状態の図20(b)のH−H線に沿う縦断側面図。 [18] Fourth shows an embodiment, longitudinal side view taken along the line H-H of FIG. 20 in a state where the gripping member opening (b) of the present invention.

【図19】同実施形態を示し、(a)把持部材が閉じて生体組織を凝固している状態の図20(b)のH−H線に沿う縦断側面図、(b)はE−E線に沿う断面図。 [Figure 19] shows the same embodiment, vertical sectional side view taken along the line H-H of (a) view of a state where the gripping member is solidified body tissue to close 20 (b), (b) the E-E sectional view taken along a line.

【図20】同実施形態を示し、(a)は生体組織の切開状態の縦断側面図、(b)はF−F線に沿う断面図。 [Figure 20] shows the same embodiment, (a) shows the longitudinal side view of the dissecting state of biological tissue, (b) is a sectional view taken along the line F-F.

【図21】同実施形態の内視鏡下手術器械の動作説明図。 [21] Operation view of endoscopic surgical instruments according to the embodiment.

【図22】同実施形態の内視鏡下手術器械の動作説明図。 [22] Operation view of endoscopic surgical instruments according to the embodiment.

【図23】同実施形態の内視鏡下手術器械の動作説明図。 [Figure 23] diagram for describing operation of the endoscopic surgical instruments according to the embodiment.

【図24】同実施形態の変形例を示す把持部材の断面図。 Figure 24 is a cross-sectional view of the gripping member showing a modification of the embodiment.

【図25】同実施形態の変形例を示す把持部材の断面図。 Figure 25 is a cross-sectional view of the gripping member showing a modification of the embodiment.

【図26】内視鏡下手術器械の第1の開示例を示す処置部の平面図。 [Figure 26] in view plan view of the treatment portion showing a first disclosed embodiment of the lens under surgical instruments.

【図27】同開示例の処置部の側面図。 Figure 27 is a side view of the treatment portion of the example disclosed.

【図28】同開示例の把持部材で生体組織を把持して凝固している状態の側面図。 Figure 28 is a side view of a state in which the solidified gripping the living tissue by the gripping members of the disclosed embodiment.

【図29】同開示例の把持部材で生体組織を切開している状態の側面図。 Figure 29 is a side view of a state where the incised body tissue by the gripping members of the disclosed embodiment.

【図30】同開示例の切開時の横断正面図。 Figure 30 is a cross front view at the time of dissection of the same disclosed examples.

【図31】同開示例の内視鏡下手術器械の全体構成を示す側面図。 Figure 31 is a side view showing the overall configuration of the endoscopic surgical instruments of the same disclosed examples.

【図32】内視鏡下手術器械の第2の開示例を示す操作部側の側面図。 [Figure 32] endoscopic second side view of the operation unit side showing the example disclosed a mirror under surgical instruments.

【図33】内視鏡下手術器械の第3の開示例を示す操作部側の側面図。 [Figure 33] endoscopic third side view of the operation unit side showing the example disclosed a mirror under surgical instruments.

【図34】内視鏡下手術器械の第4の開示例を示す処置部の縦断平面図。 [Figure 34] endoscopic longitudinal plan view of the treatment portion showing a fourth disclosed embodiment of the lens under surgical instruments.

【図35】同開示例を示す処置部の横断正面図。 Figure 35 is a cross front view of the treatment portion showing the same example disclosed.

【図36】内視鏡下手術器械の第5の開示例を示す処置部の側面図。 [Figure 36] endoscopic fifth side view of the treatment portion showing the example disclosed a mirror under surgical instruments.

【図37】同開示例を示し、生体組織を切開している状態を示す側面図。 [Figure 37] shows the same example disclosed a side view showing a state of incising the body tissue.

【符号の説明】 DESCRIPTION OF SYMBOLS

2…挿入部 3…処置部 4…操作部 11a,11b…把持部材 16…切開刃 2 ... insertion portion 3 ... treatment section 4 ... operating portion 11a, 11b ... gripping member 16 ... incision blade

───────────────────────────────────────────────────── フロントページの続き (72)発明者 関野 直己 東京都渋谷区幡ヶ谷2丁目43番2号 オリ ンパス光学工業株式会社内 ────────────────────────────────────────────────── ─── of the front page continued (72) inventor Naomi Sekino Shibuya-ku, Tokyo Hatagaya 2-chome No. 43 No. 2 Olympus optical industry Co., Ltd. in

Claims (1)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 組織を把持する一対の把持部材と、前記把持部材の把持面に設けられた双極電極と、組織を切開する切開手段とを備えた内視鏡下手術器械において、 前記切開手段は、把持する組織に接触しないよう前記把持部材の内部に収容される第1の位置に配置され、切開時に切開手段の少なくとも一部が第1の位置から一対の把持部材で形成される把持面を通過するように移動自在であることを特徴とする内視鏡下手術器械。 [1 claim: a pair of gripping members for gripping the tissue, and a bipolar electrode provided on the gripping surface of the gripping member, in an endoscopic surgical instruments having a incision means for cutting tissue, said incision means It is disposed in a first position, which is accommodated inside the gripping member so as not to contact the gripped tissue, gripping surface at least part of the cutting means during the incision is formed by a pair of gripping members from the first position endoscopic surgical instruments, which is a movably to pass.
JP21198697A 1997-08-06 1997-08-06 Endoscopic surgical instruments Expired - Fee Related JP3986127B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21198697A JP3986127B2 (en) 1997-08-06 1997-08-06 Endoscopic surgical instruments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21198697A JP3986127B2 (en) 1997-08-06 1997-08-06 Endoscopic surgical instruments

Publications (2)

Publication Number Publication Date
JPH1147150A true true JPH1147150A (en) 1999-02-23
JP3986127B2 JP3986127B2 (en) 2007-10-03

Family

ID=16615006

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21198697A Expired - Fee Related JP3986127B2 (en) 1997-08-06 1997-08-06 Endoscopic surgical instruments

Country Status (1)

Country Link
JP (1) JP3986127B2 (en)

Cited By (155)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006102515A (en) * 2004-10-08 2006-04-20 Sherwood Services Ag Mechanism for dividing tissue in hemostatic forceps-type device
JP2008510536A (en) * 2004-08-24 2008-04-10 エルベ エレクトロメディツィン ゲーエムベーハー Surgical tool
JP2010505478A (en) * 2006-10-05 2010-02-25 エルベ・エレクトロメディティン・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング Tubular shaft instrument
KR200452592Y1 (en) 2009-01-05 2011-03-07 김기완 Bipolar Mass
US8845636B2 (en) 2011-09-16 2014-09-30 Covidien Lp Seal plate with insulation displacement connection
US8852186B2 (en) 2011-08-09 2014-10-07 Covidien Lp Microwave sensing for tissue sealing
US8852185B2 (en) 2011-05-19 2014-10-07 Covidien Lp Apparatus for performing an electrosurgical procedure
US8852228B2 (en) 2009-01-13 2014-10-07 Covidien Lp Apparatus, system, and method for performing an electrosurgical procedure
US8858554B2 (en) 2009-05-07 2014-10-14 Covidien Lp Apparatus, system, and method for performing an electrosurgical procedure
US8864753B2 (en) 2011-12-13 2014-10-21 Covidien Lp Surgical Forceps Connected to Treatment Light Source
US8864795B2 (en) 2011-10-03 2014-10-21 Covidien Lp Surgical forceps
US8887373B2 (en) 2012-02-24 2014-11-18 Covidien Lp Vessel sealing instrument with reduced thermal spread and method of manufacture therefor
US8898888B2 (en) 2009-09-28 2014-12-02 Covidien Lp System for manufacturing electrosurgical seal plates
US8920461B2 (en) 2012-05-01 2014-12-30 Covidien Lp Surgical forceps with bifurcated flanged jaw components
US8939972B2 (en) 2011-05-06 2015-01-27 Covidien Lp Surgical forceps
US8939975B2 (en) 2012-07-17 2015-01-27 Covidien Lp Gap control via overmold teeth and hard stops
US8961515B2 (en) 2011-09-28 2015-02-24 Covidien Lp Electrosurgical instrument
US8961514B2 (en) 2012-03-06 2015-02-24 Covidien Lp Articulating surgical apparatus
US8961513B2 (en) 2012-01-25 2015-02-24 Covidien Lp Surgical tissue sealer
US8968311B2 (en) 2012-05-01 2015-03-03 Covidien Lp Surgical instrument with stamped double-flag jaws and actuation mechanism
US8968360B2 (en) 2012-01-25 2015-03-03 Covidien Lp Surgical instrument with resilient driving member and related methods of use
US8968308B2 (en) 2011-10-20 2015-03-03 Covidien Lp Multi-circuit seal plates
US8968306B2 (en) 2011-08-09 2015-03-03 Covidien Lp Surgical forceps
US8968298B2 (en) 2012-03-15 2015-03-03 Covidien Lp Electrosurgical instrument
US8968307B2 (en) 2011-08-18 2015-03-03 Covidien Lp Surgical forceps
US8968313B2 (en) 2012-06-12 2015-03-03 Covidien Lp Electrosurgical instrument with a knife blade stop
US8968310B2 (en) 2011-11-30 2015-03-03 Covidien Lp Electrosurgical instrument with a knife blade lockout mechanism
US8968283B2 (en) 2011-05-19 2015-03-03 Covidien Lp Ultrasound device for precise tissue sealing and blade-less cutting
US8968317B2 (en) 2011-08-18 2015-03-03 Covidien Lp Surgical forceps
US8968309B2 (en) 2011-11-10 2015-03-03 Covidien Lp Surgical forceps
USD726910S1 (en) 2013-08-07 2015-04-14 Covidien Lp Reusable forceps for open vessel sealer with mechanical cutter
US9011435B2 (en) 2012-02-24 2015-04-21 Covidien Lp Method for manufacturing vessel sealing instrument with reduced thermal spread
US9011436B2 (en) 2012-06-26 2015-04-21 Covidien Lp Double-length jaw system for electrosurgical instrument
US9024237B2 (en) 2009-09-29 2015-05-05 Covidien Lp Material fusing apparatus, system and method of use
US9023035B2 (en) 2012-01-06 2015-05-05 Covidien Lp Monopolar pencil with integrated bipolar/ligasure tweezers
USD728786S1 (en) 2013-05-03 2015-05-05 Covidien Lp Vessel sealer with mechanical cutter and pistol-grip-style trigger
US9028492B2 (en) 2011-08-18 2015-05-12 Covidien Lp Surgical instruments with removable components
US9028493B2 (en) 2009-09-18 2015-05-12 Covidien Lp In vivo attachable and detachable end effector assembly and laparoscopic surgical instrument and methods therefor
US9033981B2 (en) 2008-12-10 2015-05-19 Covidien Lp Vessel sealer and divider
US9034009B2 (en) 2012-05-01 2015-05-19 Covidien Lp Surgical forceps
US9039732B2 (en) 2011-07-11 2015-05-26 Covidien Lp Surgical forceps
US9039731B2 (en) 2012-05-08 2015-05-26 Covidien Lp Surgical forceps including blade safety mechanism
US9039691B2 (en) 2012-06-29 2015-05-26 Covidien Lp Surgical forceps
US9039704B2 (en) 2011-06-22 2015-05-26 Covidien Lp Forceps
US9060780B2 (en) 2011-09-29 2015-06-23 Covidien Lp Methods of manufacturing shafts for surgical instruments
US9072524B2 (en) 2012-06-29 2015-07-07 Covidien Lp Surgical forceps
US9084608B2 (en) 2012-02-20 2015-07-21 Covidien Lp Knife deployment mechanisms for surgical forceps
USD736920S1 (en) 2013-08-07 2015-08-18 Covidien Lp Open vessel sealer with mechanical cutter
US9113905B2 (en) 2008-07-21 2015-08-25 Covidien Lp Variable resistor jaw
US9113901B2 (en) 2012-05-14 2015-08-25 Covidien Lp Modular surgical instrument with contained electrical or mechanical systems
US9113940B2 (en) 2011-01-14 2015-08-25 Covidien Lp Trigger lockout and kickback mechanism for surgical instruments
US9113941B2 (en) 2009-08-27 2015-08-25 Covidien Lp Vessel sealer and divider with knife lockout
US9113909B2 (en) 2011-09-01 2015-08-25 Covidien Lp Surgical vessel sealer and divider
US9113907B2 (en) 2008-09-18 2015-08-25 Covidien Lp Vessel sealing instrument with cutting mechanism
US9113938B2 (en) 2011-09-09 2015-08-25 Covidien Lp Apparatus for performing electrosurgical procedures having a spring mechanism associated with the jaw members
US9113933B2 (en) 2011-05-16 2015-08-25 Covidien Lp Optical energy-based methods and apparatus for tissue sealing
US9113903B2 (en) 2006-01-24 2015-08-25 Covidien Lp Endoscopic vessel sealer and divider for large tissue structures
US9113934B2 (en) 2011-05-16 2015-08-25 Covidien Lp Optical energy-based methods and apparatus for tissue sealing
US9113906B2 (en) 2010-01-22 2015-08-25 Covidien Lp Compact jaw including split pivot pin
US9113899B2 (en) 2011-11-29 2015-08-25 Covidien Lp Coupling mechanisms for surgical instruments
US9113898B2 (en) 2008-10-09 2015-08-25 Covidien Lp Apparatus, system, and method for performing an electrosurgical procedure
US9113882B2 (en) 2012-01-23 2015-08-25 Covidien Lp Method of manufacturing an electrosurgical instrument
US9113897B2 (en) 2012-01-23 2015-08-25 Covidien Lp Partitioned surgical instrument
US9113937B2 (en) 2011-07-11 2015-08-25 Covidien Lp Surgical forceps
US9119630B2 (en) 2011-04-21 2015-09-01 Covidien Lp Surgical forceps
US9161807B2 (en) 2011-05-23 2015-10-20 Covidien Lp Apparatus for performing an electrosurgical procedure
US9168052B2 (en) 2010-06-02 2015-10-27 Covidien Lp Apparatus for performing an electrosurgical procedure
US9192432B2 (en) 2012-05-29 2015-11-24 Covidien Lp Lever latch assemblies for surgical improvements
US9192421B2 (en) 2012-07-24 2015-11-24 Covidien Lp Blade lockout mechanism for surgical forceps
US9192433B2 (en) 2010-06-02 2015-11-24 Covidien Lp Apparatus for performing an electrosurgical procedure
USD744644S1 (en) 2013-08-07 2015-12-01 Covidien Lp Disposable housing for open vessel sealer with mechanical cutter
US9204924B2 (en) 2006-10-06 2015-12-08 Covidien Lp Endoscopic vessel sealer and divider having a flexible articulating shaft
US9211657B2 (en) 2012-03-06 2015-12-15 Covidien Lp Surgical tissue sealer
US9259268B2 (en) 2011-12-06 2016-02-16 Covidien Lp Vessel sealing using microwave energy
US9259266B2 (en) 2008-02-15 2016-02-16 Covidien Lp Method and system for sterilizing an electrosurgical instrument
US9265568B2 (en) 2011-05-16 2016-02-23 Coviden Lp Destruction of vessel walls for energy-based vessel sealing enhancement
US9265569B2 (en) 2012-03-29 2016-02-23 Covidien Lp Method of manufacturing an electrosurgical forceps
US9265565B2 (en) 2011-11-29 2016-02-23 Covidien Lp Open vessel sealing instrument and method of manufacturing the same
US9301798B2 (en) 2012-07-19 2016-04-05 Covidien Lp Surgical forceps including reposable end effector assemblies
US9318691B2 (en) 2010-04-29 2016-04-19 Covidien Lp Method of constructing a jaw member for an end effector assembly
US9314295B2 (en) 2011-10-20 2016-04-19 Covidien Lp Dissection scissors on surgical device
US9345534B2 (en) 2010-10-04 2016-05-24 Covidien Lp Vessel sealing instrument
US9375267B2 (en) 2010-06-02 2016-06-28 Covidien Lp Apparatus for performing an electrosurgical procedure
US9375262B2 (en) 2013-02-27 2016-06-28 Covidien Lp Limited use medical devices
US9375271B2 (en) 1998-10-23 2016-06-28 Covidien Ag Vessel sealing system
US9375205B2 (en) 2012-11-15 2016-06-28 Covidien Lp Deployment mechanisms for surgical instruments
US9375282B2 (en) 2012-03-26 2016-06-28 Covidien Lp Light energy sealing, cutting and sensing surgical device
US9375256B2 (en) 2013-02-05 2016-06-28 Covidien Lp Electrosurgical forceps
US9375260B2 (en) 2010-04-12 2016-06-28 Covidien Lp Surgical instrument with non-contact electrical coupling
US9375258B2 (en) 2012-05-08 2016-06-28 Covidien Lp Surgical forceps
US9375259B2 (en) 2012-10-24 2016-06-28 Covidien Lp Electrosurgical instrument including an adhesive applicator assembly
US9433461B2 (en) 2012-09-07 2016-09-06 Covidien Lp Instruments, systems, and methods for sealing tissue structures
US9439711B2 (en) 2012-10-02 2016-09-13 Covidien Lp Medical devices for thermally treating tissue
US9439717B2 (en) 2013-08-13 2016-09-13 Covidien Lp Surgical forceps including thermal spread control
US9445865B2 (en) 2013-09-16 2016-09-20 Covidien Lp Electrosurgical instrument with end-effector assembly including electrically-conductive, tissue-engaging surfaces and switchable bipolar electrodes
US9456863B2 (en) 2013-03-11 2016-10-04 Covidien Lp Surgical instrument with switch activation control
US9456870B2 (en) 2011-05-16 2016-10-04 Covidien Lp Optical energy-based methods and apparatus for tissue sealing
JP2016530968A (en) * 2013-10-10 2016-10-06 ジャイラス エーシーエムアイ インク Laparoscopic forceps assembly
USRE46179E1 (en) 2011-09-13 2016-10-18 Covidien Lp Rotation knobs for surgical instruments
US9468453B2 (en) 2013-05-03 2016-10-18 Covidien Lp Endoscopic surgical forceps
US9474570B2 (en) 2008-04-22 2016-10-25 Covidien Lp Jaw closure detection system
US9486220B2 (en) 2011-09-28 2016-11-08 Covidien Lp Surgical tissue occluding device
US9492221B2 (en) 2011-10-20 2016-11-15 Covidien Lp Dissection scissors on surgical device
US9492223B2 (en) 2010-06-02 2016-11-15 Covidien Lp Apparatus for performing an electrosurgical procedure
US9498281B2 (en) 2012-11-27 2016-11-22 Covidien Lp Surgical apparatus
US9510891B2 (en) 2012-06-26 2016-12-06 Covidien Lp Surgical instruments with structures to provide access for cleaning
US9526564B2 (en) 2012-10-08 2016-12-27 Covidien Lp Electric stapler device
US9526567B2 (en) 2011-05-16 2016-12-27 Covidien Lp Thread-like knife for tissue cutting
US9545262B2 (en) 2010-06-02 2017-01-17 Covidien Lp Apparatus for performing an electrosurgical procedure
US9549749B2 (en) 2012-10-08 2017-01-24 Covidien Lp Surgical forceps
US9554841B2 (en) 2007-09-28 2017-01-31 Covidien Lp Dual durometer insulating boot for electrosurgical forceps
US9554845B2 (en) 2013-07-18 2017-01-31 Covidien Lp Surgical forceps for treating and cutting tissue
US9572529B2 (en) 2012-10-31 2017-02-21 Covidien Lp Surgical devices and methods utilizing optical coherence tomography (OCT) to monitor and control tissue sealing
US9579145B2 (en) 2005-09-30 2017-02-28 Covidien Ag Flexible endoscopic catheter with ligasure
US9615877B2 (en) 2011-06-17 2017-04-11 Covidien Lp Tissue sealing forceps
US9622810B2 (en) 2013-05-10 2017-04-18 Covidien Lp Surgical forceps
US9636169B2 (en) 2011-09-19 2017-05-02 Covidien Lp Electrosurgical instrument
US9636168B2 (en) 2012-08-09 2017-05-02 Covidien Lp Electrosurgical instrument including nested knife assembly
US9642671B2 (en) 2013-09-30 2017-05-09 Covidien Lp Limited-use medical device
US9649151B2 (en) 2013-05-31 2017-05-16 Covidien Lp End effector assemblies and methods of manufacturing end effector assemblies for treating and/or cutting tissue
US9655673B2 (en) 2013-03-11 2017-05-23 Covidien Lp Surgical instrument
US9668806B2 (en) 2011-09-29 2017-06-06 Covidien Lp Surgical forceps including a removable stop member
US9668807B2 (en) 2012-05-01 2017-06-06 Covidien Lp Simplified spring load mechanism for delivering shaft force of a surgical instrument
US9668808B2 (en) 2011-05-06 2017-06-06 Covidien Lp Bifurcated shaft for surgical instrument
US9681908B2 (en) 2012-10-08 2017-06-20 Covidien Lp Jaw assemblies for electrosurgical instruments and methods of manufacturing jaw assemblies
US9687290B2 (en) 2012-10-02 2017-06-27 Covidien Lp Energy-based medical devices
US9687295B2 (en) 2014-04-17 2017-06-27 Covidien Lp Methods of manufacturing a pair of jaw members of an end-effector assembly for a surgical instrument
US9693816B2 (en) 2012-01-30 2017-07-04 Covidien Lp Electrosurgical apparatus with integrated energy sensing at tissue site
US9707031B2 (en) 2011-07-11 2017-07-18 Covidien Lp Surgical forceps and method of manufacturing thereof
US9713491B2 (en) 2013-02-19 2017-07-25 Covidien Lp Method for manufacturing an electrode assembly configured for use with an electrosurigcal instrument
US9713493B2 (en) 2012-04-30 2017-07-25 Covidien Lp Method of switching energy modality on a cordless RF device
US9717548B2 (en) 2013-09-24 2017-08-01 Covidien Lp Electrode for use in a bipolar electrosurgical instrument
US9724116B2 (en) 2009-10-06 2017-08-08 Covidien Lp Jaw, blade and gap manufacturing for surgical instruments with small jaws
US9770288B2 (en) 2010-08-23 2017-09-26 Covidien Lp Method of manufacturing tissue sealing electrodes
US9770255B2 (en) 2012-06-26 2017-09-26 Covidien Lp One-piece handle assembly
USRE46570E1 (en) 2009-09-03 2017-10-17 Covidien Lp Open vessel sealing instrument with pivot assembly
US9795402B2 (en) 2011-09-29 2017-10-24 Covidien Lp Surgical instrument shafts and methods of manufacturing shafts for surgical instruments
US9820765B2 (en) 2012-05-01 2017-11-21 Covidien Lp Surgical instrument with stamped double-flange jaws
US9833285B2 (en) 2012-07-17 2017-12-05 Covidien Lp Optical sealing device with cutting ability
US9844384B2 (en) 2011-07-11 2017-12-19 Covidien Lp Stand alone energy-based tissue clips
US9848935B2 (en) 2015-05-27 2017-12-26 Covidien Lp Surgical instruments including components and features facilitating the assembly and manufacturing thereof
WO2018011972A1 (en) * 2016-07-15 2018-01-18 オリンパス株式会社 Energy treatment tool, control device, and treatment system
US9877777B2 (en) 2014-09-17 2018-01-30 Covidien Lp Surgical instrument having a bipolar end effector assembly and a deployable monopolar assembly
US9877775B2 (en) 2013-03-12 2018-01-30 Covidien Lp Electrosurgical instrument with a knife blade stop
US9918785B2 (en) 2014-09-17 2018-03-20 Covidien Lp Deployment mechanisms for surgical instruments
US9931158B2 (en) 2014-09-17 2018-04-03 Covidien Lp Deployment mechanisms for surgical instruments
US9943357B2 (en) 2013-09-16 2018-04-17 Covidien Lp Split electrode for use in a bipolar electrosurgical instrument
US9956022B2 (en) 2015-05-27 2018-05-01 Covidien Lp Surgical forceps and methods of manufacturing the same
US9962221B2 (en) 2013-08-07 2018-05-08 Covidien Lp Bipolar surgical instrument
US9974601B2 (en) 2013-11-19 2018-05-22 Covidien Lp Vessel sealing instrument with suction system
US9974602B2 (en) 2015-05-27 2018-05-22 Covidien Lp Surgical instruments and devices and methods facilitating the manufacture of the same
US9987076B2 (en) 2014-09-17 2018-06-05 Covidien Lp Multi-function surgical instruments
USD819815S1 (en) 2016-03-09 2018-06-05 Covidien Lp L-shaped blade trigger for an electrosurgical instrument
US10058377B2 (en) 2014-04-02 2018-08-28 Covidien Lp Electrosurgical devices including transverse electrode configurations
US10070916B2 (en) 2014-01-10 2018-09-11 Covidien Lp Surgical instrument with system and method for springing open jaw members

Cited By (234)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9463067B2 (en) 1998-10-23 2016-10-11 Covidien Ag Vessel sealing system
US9375271B2 (en) 1998-10-23 2016-06-28 Covidien Ag Vessel sealing system
US9375270B2 (en) 1998-10-23 2016-06-28 Covidien Ag Vessel sealing system
JP2008510536A (en) * 2004-08-24 2008-04-10 エルベ エレクトロメディツィン ゲーエムベーハー Surgical tool
JP2006102515A (en) * 2004-10-08 2006-04-20 Sherwood Services Ag Mechanism for dividing tissue in hemostatic forceps-type device
US9579145B2 (en) 2005-09-30 2017-02-28 Covidien Ag Flexible endoscopic catheter with ligasure
US9918782B2 (en) 2006-01-24 2018-03-20 Covidien Lp Endoscopic vessel sealer and divider for large tissue structures
US9113903B2 (en) 2006-01-24 2015-08-25 Covidien Lp Endoscopic vessel sealer and divider for large tissue structures
JP2010505477A (en) * 2006-10-05 2010-02-25 エルベ・エレクトロメディティン・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング Medical equipment
JP2010505478A (en) * 2006-10-05 2010-02-25 エルベ・エレクトロメディティン・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング Tubular shaft instrument
US8795275B2 (en) 2006-10-05 2014-08-05 Erbe Elektromedizin Gmbh Tubular shaft instrument
US9204924B2 (en) 2006-10-06 2015-12-08 Covidien Lp Endoscopic vessel sealer and divider having a flexible articulating shaft
US9554841B2 (en) 2007-09-28 2017-01-31 Covidien Lp Dual durometer insulating boot for electrosurgical forceps
US9259266B2 (en) 2008-02-15 2016-02-16 Covidien Lp Method and system for sterilizing an electrosurgical instrument
US9474570B2 (en) 2008-04-22 2016-10-25 Covidien Lp Jaw closure detection system
US9247988B2 (en) 2008-07-21 2016-02-02 Covidien Lp Variable resistor jaw
US9113905B2 (en) 2008-07-21 2015-08-25 Covidien Lp Variable resistor jaw
US9113907B2 (en) 2008-09-18 2015-08-25 Covidien Lp Vessel sealing instrument with cutting mechanism
US9901390B2 (en) 2008-09-18 2018-02-27 Covidien Lp Vessel sealing instrument with cutting mechanism
US9113898B2 (en) 2008-10-09 2015-08-25 Covidien Lp Apparatus, system, and method for performing an electrosurgical procedure
US9655675B2 (en) 2008-12-10 2017-05-23 Covidien Lp Vessel sealer and divider
US9033981B2 (en) 2008-12-10 2015-05-19 Covidien Lp Vessel sealer and divider
KR200452592Y1 (en) 2009-01-05 2011-03-07 김기완 Bipolar Mass
US9655674B2 (en) 2009-01-13 2017-05-23 Covidien Lp Apparatus, system and method for performing an electrosurgical procedure
US8852228B2 (en) 2009-01-13 2014-10-07 Covidien Lp Apparatus, system, and method for performing an electrosurgical procedure
US8858554B2 (en) 2009-05-07 2014-10-14 Covidien Lp Apparatus, system, and method for performing an electrosurgical procedure
US9345535B2 (en) 2009-05-07 2016-05-24 Covidien Lp Apparatus, system and method for performing an electrosurgical procedure
US9113941B2 (en) 2009-08-27 2015-08-25 Covidien Lp Vessel sealer and divider with knife lockout
USRE46570E1 (en) 2009-09-03 2017-10-17 Covidien Lp Open vessel sealing instrument with pivot assembly
US9931131B2 (en) 2009-09-18 2018-04-03 Covidien Lp In vivo attachable and detachable end effector assembly and laparoscopic surgical instrument and methods therefor
US9028493B2 (en) 2009-09-18 2015-05-12 Covidien Lp In vivo attachable and detachable end effector assembly and laparoscopic surgical instrument and methods therefor
US9265552B2 (en) 2009-09-28 2016-02-23 Covidien Lp Method of manufacturing electrosurgical seal plates
US9750561B2 (en) 2009-09-28 2017-09-05 Covidien Lp System for manufacturing electrosurgical seal plates
US8898888B2 (en) 2009-09-28 2014-12-02 Covidien Lp System for manufacturing electrosurgical seal plates
US9024237B2 (en) 2009-09-29 2015-05-05 Covidien Lp Material fusing apparatus, system and method of use
US9724116B2 (en) 2009-10-06 2017-08-08 Covidien Lp Jaw, blade and gap manufacturing for surgical instruments with small jaws
US9113906B2 (en) 2010-01-22 2015-08-25 Covidien Lp Compact jaw including split pivot pin
US9375260B2 (en) 2010-04-12 2016-06-28 Covidien Lp Surgical instrument with non-contact electrical coupling
US9918783B2 (en) 2010-04-29 2018-03-20 Covidien Lp Method of constructing a jaw member for an end effector assembly
US9318691B2 (en) 2010-04-29 2016-04-19 Covidien Lp Method of constructing a jaw member for an end effector assembly
US9192433B2 (en) 2010-06-02 2015-11-24 Covidien Lp Apparatus for performing an electrosurgical procedure
US9492223B2 (en) 2010-06-02 2016-11-15 Covidien Lp Apparatus for performing an electrosurgical procedure
US9168052B2 (en) 2010-06-02 2015-10-27 Covidien Lp Apparatus for performing an electrosurgical procedure
US9545262B2 (en) 2010-06-02 2017-01-17 Covidien Lp Apparatus for performing an electrosurgical procedure
US9375267B2 (en) 2010-06-02 2016-06-28 Covidien Lp Apparatus for performing an electrosurgical procedure
US9770288B2 (en) 2010-08-23 2017-09-26 Covidien Lp Method of manufacturing tissue sealing electrodes
US9345534B2 (en) 2010-10-04 2016-05-24 Covidien Lp Vessel sealing instrument
US9113940B2 (en) 2011-01-14 2015-08-25 Covidien Lp Trigger lockout and kickback mechanism for surgical instruments
USRE46962E1 (en) 2011-04-21 2018-07-24 Covidien Lp Surgical forceps
US9119630B2 (en) 2011-04-21 2015-09-01 Covidien Lp Surgical forceps
US8939972B2 (en) 2011-05-06 2015-01-27 Covidien Lp Surgical forceps
US9668808B2 (en) 2011-05-06 2017-06-06 Covidien Lp Bifurcated shaft for surgical instrument
US9867657B2 (en) 2011-05-06 2018-01-16 Covidien Lp Surgical forceps
US9113933B2 (en) 2011-05-16 2015-08-25 Covidien Lp Optical energy-based methods and apparatus for tissue sealing
US9402685B2 (en) 2011-05-16 2016-08-02 Covidien Lp Optical energy-based methods and apparatus for tissue sealing
US9265568B2 (en) 2011-05-16 2016-02-23 Coviden Lp Destruction of vessel walls for energy-based vessel sealing enhancement
US9113934B2 (en) 2011-05-16 2015-08-25 Covidien Lp Optical energy-based methods and apparatus for tissue sealing
US10039587B2 (en) 2011-05-16 2018-08-07 Covidien Lp Thread-like knife for tissue cutting
US9526567B2 (en) 2011-05-16 2016-12-27 Covidien Lp Thread-like knife for tissue cutting
US9456870B2 (en) 2011-05-16 2016-10-04 Covidien Lp Optical energy-based methods and apparatus for tissue sealing
US9649121B2 (en) 2011-05-19 2017-05-16 Covidien Lp Apparatus for performing an electrosurgical procedure
US8968283B2 (en) 2011-05-19 2015-03-03 Covidien Lp Ultrasound device for precise tissue sealing and blade-less cutting
US8852185B2 (en) 2011-05-19 2014-10-07 Covidien Lp Apparatus for performing an electrosurgical procedure
US9814910B2 (en) 2011-05-19 2017-11-14 Covidien Lp Ultrasound device for precise tissue sealing and blade-less cutting
US9161807B2 (en) 2011-05-23 2015-10-20 Covidien Lp Apparatus for performing an electrosurgical procedure
US9615877B2 (en) 2011-06-17 2017-04-11 Covidien Lp Tissue sealing forceps
US9039704B2 (en) 2011-06-22 2015-05-26 Covidien Lp Forceps
US9993288B2 (en) 2011-06-22 2018-06-12 Covidien Lp Forceps
US9707031B2 (en) 2011-07-11 2017-07-18 Covidien Lp Surgical forceps and method of manufacturing thereof
US9844384B2 (en) 2011-07-11 2017-12-19 Covidien Lp Stand alone energy-based tissue clips
US9039732B2 (en) 2011-07-11 2015-05-26 Covidien Lp Surgical forceps
US9510896B2 (en) 2011-07-11 2016-12-06 Covidien Lp Surgical forceps
US9113937B2 (en) 2011-07-11 2015-08-25 Covidien Lp Surgical forceps
US8852186B2 (en) 2011-08-09 2014-10-07 Covidien Lp Microwave sensing for tissue sealing
US9770253B2 (en) 2011-08-09 2017-09-26 Covidien Lp Surgical forceps
US9724157B2 (en) 2011-08-09 2017-08-08 Covidien Lp Microwave sensing for tissue sealing
US8968306B2 (en) 2011-08-09 2015-03-03 Covidien Lp Surgical forceps
US9888958B2 (en) 2011-08-18 2018-02-13 Covidien Lp Surgical forceps
US8968317B2 (en) 2011-08-18 2015-03-03 Covidien Lp Surgical forceps
US8968307B2 (en) 2011-08-18 2015-03-03 Covidien Lp Surgical forceps
US9028492B2 (en) 2011-08-18 2015-05-12 Covidien Lp Surgical instruments with removable components
US9113909B2 (en) 2011-09-01 2015-08-25 Covidien Lp Surgical vessel sealer and divider
US9504513B2 (en) 2011-09-09 2016-11-29 Covidien Lp Apparatus for performing electrosurgical procedures having a spring mechanism associated with the jaw members
US9113938B2 (en) 2011-09-09 2015-08-25 Covidien Lp Apparatus for performing electrosurgical procedures having a spring mechanism associated with the jaw members
USRE46179E1 (en) 2011-09-13 2016-10-18 Covidien Lp Rotation knobs for surgical instruments
US9113908B2 (en) 2011-09-16 2015-08-25 Covidien Lp Seal plate with insulation displacement connection
US8845636B2 (en) 2011-09-16 2014-09-30 Covidien Lp Seal plate with insulation displacement connection
US9636169B2 (en) 2011-09-19 2017-05-02 Covidien Lp Electrosurgical instrument
US8961515B2 (en) 2011-09-28 2015-02-24 Covidien Lp Electrosurgical instrument
US9486220B2 (en) 2011-09-28 2016-11-08 Covidien Lp Surgical tissue occluding device
US9186206B2 (en) 2011-09-28 2015-11-17 Covidien Lp Electrosurgical instrument
US9375266B2 (en) 2011-09-28 2016-06-28 Covidien Lp Electrosurgical instrument
US9060780B2 (en) 2011-09-29 2015-06-23 Covidien Lp Methods of manufacturing shafts for surgical instruments
US9668806B2 (en) 2011-09-29 2017-06-06 Covidien Lp Surgical forceps including a removable stop member
US9795402B2 (en) 2011-09-29 2017-10-24 Covidien Lp Surgical instrument shafts and methods of manufacturing shafts for surgical instruments
US8864795B2 (en) 2011-10-03 2014-10-21 Covidien Lp Surgical forceps
US9717549B2 (en) 2011-10-03 2017-08-01 Covidien Lp Surgical forceps
US9504519B2 (en) 2011-10-03 2016-11-29 Covidien Lp Surgical forceps
US9717550B2 (en) 2011-10-20 2017-08-01 Covidien Lp Multi-circuit seal plates
US9375264B2 (en) 2011-10-20 2016-06-28 Covidien Lp Multi-circuit seal plates
US9314295B2 (en) 2011-10-20 2016-04-19 Covidien Lp Dissection scissors on surgical device
US9492221B2 (en) 2011-10-20 2016-11-15 Covidien Lp Dissection scissors on surgical device
US8968308B2 (en) 2011-10-20 2015-03-03 Covidien Lp Multi-circuit seal plates
US8968309B2 (en) 2011-11-10 2015-03-03 Covidien Lp Surgical forceps
US9168088B2 (en) 2011-11-10 2015-10-27 Covidien Lp Surgical forceps
US9375245B2 (en) 2011-11-10 2016-06-28 Covidien Lp Surgical forceps
US9750519B2 (en) 2011-11-29 2017-09-05 Covidien Lp Coupling mechanisms for surgical instruments
US9265565B2 (en) 2011-11-29 2016-02-23 Covidien Lp Open vessel sealing instrument and method of manufacturing the same
US9113899B2 (en) 2011-11-29 2015-08-25 Covidien Lp Coupling mechanisms for surgical instruments
US9554844B2 (en) 2011-11-29 2017-01-31 Covidien Lp Open vessel sealing instrument and method of manufacturing the same
US8968310B2 (en) 2011-11-30 2015-03-03 Covidien Lp Electrosurgical instrument with a knife blade lockout mechanism
US9610116B2 (en) 2011-11-30 2017-04-04 Covidien Lp Electrosurgical instrument with a knife blade lockout mechanism
US9259268B2 (en) 2011-12-06 2016-02-16 Covidien Lp Vessel sealing using microwave energy
US8864753B2 (en) 2011-12-13 2014-10-21 Covidien Lp Surgical Forceps Connected to Treatment Light Source
US9358069B2 (en) 2011-12-13 2016-06-07 Covidien Lp Surgical forceps
US9539049B2 (en) 2012-01-06 2017-01-10 Covidien Lp Monopolar pencil with integrated bipolar/ligasure tweezers
US9023035B2 (en) 2012-01-06 2015-05-05 Covidien Lp Monopolar pencil with integrated bipolar/ligasure tweezers
US9918777B2 (en) 2012-01-23 2018-03-20 Covidien Lp Partitioned surgical instrument
US9113897B2 (en) 2012-01-23 2015-08-25 Covidien Lp Partitioned surgical instrument
US9113882B2 (en) 2012-01-23 2015-08-25 Covidien Lp Method of manufacturing an electrosurgical instrument
US8961513B2 (en) 2012-01-25 2015-02-24 Covidien Lp Surgical tissue sealer
US9504514B2 (en) 2012-01-25 2016-11-29 Covidien Lp Surgical instrument with resilient driving member and related methods of use
US8968360B2 (en) 2012-01-25 2015-03-03 Covidien Lp Surgical instrument with resilient driving member and related methods of use
US9974605B2 (en) 2012-01-25 2018-05-22 Covidien Lp Surgical instrument with resilient driving member and related methods of use
US9693816B2 (en) 2012-01-30 2017-07-04 Covidien Lp Electrosurgical apparatus with integrated energy sensing at tissue site
US9084608B2 (en) 2012-02-20 2015-07-21 Covidien Lp Knife deployment mechanisms for surgical forceps
US9867658B2 (en) 2012-02-20 2018-01-16 Covidien Lp Knife deployment mechanisms for surgical forceps
US9011435B2 (en) 2012-02-24 2015-04-21 Covidien Lp Method for manufacturing vessel sealing instrument with reduced thermal spread
US8887373B2 (en) 2012-02-24 2014-11-18 Covidien Lp Vessel sealing instrument with reduced thermal spread and method of manufacture therefor
US9204919B2 (en) 2012-02-24 2015-12-08 Covidien Lp Vessel sealing instrument with reduced thermal spread and method of manufacturing therefor
US9161806B2 (en) 2012-02-24 2015-10-20 Covidien Lp Vessel sealing instrument with reduced thermal spread and method of manufacture therefor
US9468491B2 (en) 2012-02-24 2016-10-18 Covidien Lp Vessel sealing instrument with reduced thermal spread and method of manufacture therefor
US9211657B2 (en) 2012-03-06 2015-12-15 Covidien Lp Surgical tissue sealer
US9308012B2 (en) 2012-03-06 2016-04-12 Covidien Lp Articulating surgical apparatus
US8961514B2 (en) 2012-03-06 2015-02-24 Covidien Lp Articulating surgical apparatus
US8968298B2 (en) 2012-03-15 2015-03-03 Covidien Lp Electrosurgical instrument
US9375282B2 (en) 2012-03-26 2016-06-28 Covidien Lp Light energy sealing, cutting and sensing surgical device
US9925008B2 (en) 2012-03-26 2018-03-27 Covidien Lp Light energy sealing, cutting and sensing surgical device
US9610121B2 (en) 2012-03-26 2017-04-04 Covidien Lp Light energy sealing, cutting and sensing surgical device
US9265569B2 (en) 2012-03-29 2016-02-23 Covidien Lp Method of manufacturing an electrosurgical forceps
US9713493B2 (en) 2012-04-30 2017-07-25 Covidien Lp Method of switching energy modality on a cordless RF device
US9668807B2 (en) 2012-05-01 2017-06-06 Covidien Lp Simplified spring load mechanism for delivering shaft force of a surgical instrument
US8920461B2 (en) 2012-05-01 2014-12-30 Covidien Lp Surgical forceps with bifurcated flanged jaw components
US9820765B2 (en) 2012-05-01 2017-11-21 Covidien Lp Surgical instrument with stamped double-flange jaws
US9375263B2 (en) 2012-05-01 2016-06-28 Covidien Lp Surgical instrument with stamped double-flange jaws and actuation mechanism
US9034009B2 (en) 2012-05-01 2015-05-19 Covidien Lp Surgical forceps
US9861378B2 (en) 2012-05-01 2018-01-09 Covidien Lp Surgical instrument with stamped double-flange jaws
US8968311B2 (en) 2012-05-01 2015-03-03 Covidien Lp Surgical instrument with stamped double-flag jaws and actuation mechanism
US9345536B2 (en) 2012-05-01 2016-05-24 Covidien Lp Surgical forceps with bifurcated flanged jaw components
US9956030B2 (en) 2012-05-01 2018-05-01 Covidien Lp Electrosurgical forceps with stamped double-flange jaws and u-shaped drive actuation mechanism
US9265571B2 (en) 2012-05-01 2016-02-23 Covidien Lp Surgical forceps
US9039731B2 (en) 2012-05-08 2015-05-26 Covidien Lp Surgical forceps including blade safety mechanism
US9743976B2 (en) 2012-05-08 2017-08-29 Covidien Lp Surgical forceps
US9375258B2 (en) 2012-05-08 2016-06-28 Covidien Lp Surgical forceps
US9668810B2 (en) 2012-05-14 2017-06-06 Covidien Lp Modular surgical instrument with contained electrical or mechanical systems
US9113901B2 (en) 2012-05-14 2015-08-25 Covidien Lp Modular surgical instrument with contained electrical or mechanical systems
US9192432B2 (en) 2012-05-29 2015-11-24 Covidien Lp Lever latch assemblies for surgical improvements
US9974604B2 (en) 2012-05-29 2018-05-22 Covidien Lp Lever latch assemblies for surgical instruments
US8968313B2 (en) 2012-06-12 2015-03-03 Covidien Lp Electrosurgical instrument with a knife blade stop
US9314297B2 (en) 2012-06-12 2016-04-19 Covidien Lp Electrosurgical instrument with a knife blade stop
US9333028B2 (en) 2012-06-26 2016-05-10 Covidien Lp Double-length jaw system for electrosurgical instrument
US9011436B2 (en) 2012-06-26 2015-04-21 Covidien Lp Double-length jaw system for electrosurgical instrument
US9510891B2 (en) 2012-06-26 2016-12-06 Covidien Lp Surgical instruments with structures to provide access for cleaning
US9770255B2 (en) 2012-06-26 2017-09-26 Covidien Lp One-piece handle assembly
US9039691B2 (en) 2012-06-29 2015-05-26 Covidien Lp Surgical forceps
US9918784B2 (en) 2012-06-29 2018-03-20 Covidien Lp Surgical forceps
US9358028B2 (en) 2012-06-29 2016-06-07 Covidien Lp Surgical forceps
US9649152B2 (en) 2012-06-29 2017-05-16 Covidien Lp Surgical forceps
US9072524B2 (en) 2012-06-29 2015-07-07 Covidien Lp Surgical forceps
US9468490B2 (en) 2012-07-17 2016-10-18 Covidien Lp Gap control via overmold teeth and hard stops
US9833285B2 (en) 2012-07-17 2017-12-05 Covidien Lp Optical sealing device with cutting ability
US8939975B2 (en) 2012-07-17 2015-01-27 Covidien Lp Gap control via overmold teeth and hard stops
US9192434B2 (en) 2012-07-17 2015-11-24 Covidien Lp Gap control via overmold teeth and hard stops
US9931159B2 (en) 2012-07-17 2018-04-03 Covidien Lp Gap control via overmold teeth and hard stops
US9301798B2 (en) 2012-07-19 2016-04-05 Covidien Lp Surgical forceps including reposable end effector assemblies
US9192421B2 (en) 2012-07-24 2015-11-24 Covidien Lp Blade lockout mechanism for surgical forceps
US9498280B2 (en) 2012-07-24 2016-11-22 Covidien Lp Blade lockout mechanism for surgical forceps
US9636168B2 (en) 2012-08-09 2017-05-02 Covidien Lp Electrosurgical instrument including nested knife assembly
US9924999B2 (en) 2012-09-07 2018-03-27 Covidien Lp Instruments, systems and methods for sealing tissue structures
US9433461B2 (en) 2012-09-07 2016-09-06 Covidien Lp Instruments, systems, and methods for sealing tissue structures
US9439711B2 (en) 2012-10-02 2016-09-13 Covidien Lp Medical devices for thermally treating tissue
US9687290B2 (en) 2012-10-02 2017-06-27 Covidien Lp Energy-based medical devices
US9526564B2 (en) 2012-10-08 2016-12-27 Covidien Lp Electric stapler device
US9681908B2 (en) 2012-10-08 2017-06-20 Covidien Lp Jaw assemblies for electrosurgical instruments and methods of manufacturing jaw assemblies
US9549749B2 (en) 2012-10-08 2017-01-24 Covidien Lp Surgical forceps
US9375259B2 (en) 2012-10-24 2016-06-28 Covidien Lp Electrosurgical instrument including an adhesive applicator assembly
US9572529B2 (en) 2012-10-31 2017-02-21 Covidien Lp Surgical devices and methods utilizing optical coherence tomography (OCT) to monitor and control tissue sealing
US9375205B2 (en) 2012-11-15 2016-06-28 Covidien Lp Deployment mechanisms for surgical instruments
US9498281B2 (en) 2012-11-27 2016-11-22 Covidien Lp Surgical apparatus
US9375256B2 (en) 2013-02-05 2016-06-28 Covidien Lp Electrosurgical forceps
US9713491B2 (en) 2013-02-19 2017-07-25 Covidien Lp Method for manufacturing an electrode assembly configured for use with an electrosurigcal instrument
US9375262B2 (en) 2013-02-27 2016-06-28 Covidien Lp Limited use medical devices
US9456863B2 (en) 2013-03-11 2016-10-04 Covidien Lp Surgical instrument with switch activation control
US9655673B2 (en) 2013-03-11 2017-05-23 Covidien Lp Surgical instrument
US9877775B2 (en) 2013-03-12 2018-01-30 Covidien Lp Electrosurgical instrument with a knife blade stop
USD728786S1 (en) 2013-05-03 2015-05-05 Covidien Lp Vessel sealer with mechanical cutter and pistol-grip-style trigger
US9468453B2 (en) 2013-05-03 2016-10-18 Covidien Lp Endoscopic surgical forceps
US9622810B2 (en) 2013-05-10 2017-04-18 Covidien Lp Surgical forceps
US9649151B2 (en) 2013-05-31 2017-05-16 Covidien Lp End effector assemblies and methods of manufacturing end effector assemblies for treating and/or cutting tissue
US9554845B2 (en) 2013-07-18 2017-01-31 Covidien Lp Surgical forceps for treating and cutting tissue
USD775333S1 (en) 2013-08-07 2016-12-27 Covidien Lp Open vessel sealer with mechanical cutter
USD736920S1 (en) 2013-08-07 2015-08-18 Covidien Lp Open vessel sealer with mechanical cutter
USD744644S1 (en) 2013-08-07 2015-12-01 Covidien Lp Disposable housing for open vessel sealer with mechanical cutter
USD726910S1 (en) 2013-08-07 2015-04-14 Covidien Lp Reusable forceps for open vessel sealer with mechanical cutter
USD738499S1 (en) 2013-08-07 2015-09-08 Covidien Lp Open vessel sealer with mechanical cutter
USD818584S1 (en) 2013-08-07 2018-05-22 Covidien Lp Disposable housing for open vessel sealer with mechanical cutter
USD774190S1 (en) 2013-08-07 2016-12-13 Covidien Lp Open vessel sealer with mechanical cutter
USD737439S1 (en) 2013-08-07 2015-08-25 Covidien Lp Open vessel sealer with mechanical cutter
US9962221B2 (en) 2013-08-07 2018-05-08 Covidien Lp Bipolar surgical instrument
US9439717B2 (en) 2013-08-13 2016-09-13 Covidien Lp Surgical forceps including thermal spread control
US9943357B2 (en) 2013-09-16 2018-04-17 Covidien Lp Split electrode for use in a bipolar electrosurgical instrument
US9445865B2 (en) 2013-09-16 2016-09-20 Covidien Lp Electrosurgical instrument with end-effector assembly including electrically-conductive, tissue-engaging surfaces and switchable bipolar electrodes
US9717548B2 (en) 2013-09-24 2017-08-01 Covidien Lp Electrode for use in a bipolar electrosurgical instrument
US9642671B2 (en) 2013-09-30 2017-05-09 Covidien Lp Limited-use medical device
JP2016530968A (en) * 2013-10-10 2016-10-06 ジャイラス エーシーエムアイ インク Laparoscopic forceps assembly
US9788848B2 (en) 2013-10-10 2017-10-17 Gyrus Acmi, Inc. Laparoscopic forceps assembly
US9974601B2 (en) 2013-11-19 2018-05-22 Covidien Lp Vessel sealing instrument with suction system
US10070916B2 (en) 2014-01-10 2018-09-11 Covidien Lp Surgical instrument with system and method for springing open jaw members
US10058377B2 (en) 2014-04-02 2018-08-28 Covidien Lp Electrosurgical devices including transverse electrode configurations
US9687295B2 (en) 2014-04-17 2017-06-27 Covidien Lp Methods of manufacturing a pair of jaw members of an end-effector assembly for a surgical instrument
US10039593B2 (en) 2014-09-17 2018-08-07 Covidien Lp Surgical instrument having a bipolar end effector assembly and a deployable monopolar assembly
US9974603B2 (en) 2014-09-17 2018-05-22 Covidien Lp Surgical instrument having a bipolar end effector assembly and a deployable monopolar assembly
US9918785B2 (en) 2014-09-17 2018-03-20 Covidien Lp Deployment mechanisms for surgical instruments
US9987077B2 (en) 2014-09-17 2018-06-05 Covidien Lp Surgical instrument having a bipolar end effector assembly and a deployable monopolar assembly
US9987076B2 (en) 2014-09-17 2018-06-05 Covidien Lp Multi-function surgical instruments
US10039592B2 (en) 2014-09-17 2018-08-07 Covidien Lp Deployment mechanisms for surgical instruments
US9931158B2 (en) 2014-09-17 2018-04-03 Covidien Lp Deployment mechanisms for surgical instruments
US9877777B2 (en) 2014-09-17 2018-01-30 Covidien Lp Surgical instrument having a bipolar end effector assembly and a deployable monopolar assembly
US9848935B2 (en) 2015-05-27 2017-12-26 Covidien Lp Surgical instruments including components and features facilitating the assembly and manufacturing thereof
US9956022B2 (en) 2015-05-27 2018-05-01 Covidien Lp Surgical forceps and methods of manufacturing the same
US9974602B2 (en) 2015-05-27 2018-05-22 Covidien Lp Surgical instruments and devices and methods facilitating the manufacture of the same
USD828554S1 (en) 2016-03-09 2018-09-11 Covidien Lp Contoured blade trigger for an electrosurgical instrument
USD819815S1 (en) 2016-03-09 2018-06-05 Covidien Lp L-shaped blade trigger for an electrosurgical instrument
WO2018011972A1 (en) * 2016-07-15 2018-01-18 オリンパス株式会社 Energy treatment tool, control device, and treatment system

Also Published As

Publication number Publication date Type
JP3986127B2 (en) 2007-10-03 grant

Similar Documents

Publication Publication Date Title
US5944718A (en) Electrosurgical instrument end effector
EP2583633B1 (en) Ultrasonic device for cutting and coagulating
US6623482B2 (en) Electrosurgical instrument with minimally invasive jaws
US5919202A (en) Surgical instrument with jaws and movable internal needle and method for use thereof
US5693051A (en) Electrosurgical hemostatic device with adaptive electrodes
US5100402A (en) Electrosurgical laparoscopic cauterization electrode
US6585735B1 (en) Endoscopic bipolar electrosurgical forceps
US5462546A (en) Bipolar electrosurgical forceps
US9113940B2 (en) Trigger lockout and kickback mechanism for surgical instruments
US7131970B2 (en) Open vessel sealing instrument with cutting mechanism
US7887535B2 (en) Vessel sealing wave jaw
US5397333A (en) Surgical hook knife
US6458130B1 (en) Endoscopic bipolar electrosurgical forceps
US6918880B2 (en) Bipolar RF excision and aspiration device and method for endometriosis removal
US20120330308A1 (en) Forceps
EP1530952B1 (en) Bipolar forceps having monopolar extension
EP1994904A1 (en) High frequency surgical instrument
US5433725A (en) Hand-held surgical device and tools for use therewith, assembly and method
US6514252B2 (en) Bipolar surgical instruments having focused electrical fields
US5964758A (en) Laparoscopic electrosurgical instrument
US8939972B2 (en) Surgical forceps
EP1645238B1 (en) Mechanism for dividing tissue in a hemostat-style instrument
US6773434B2 (en) Combination bipolar forceps and scissors instrument
EP1769765A1 (en) Insulating boot for electrosurgical forceps
US20050096670A1 (en) Surgical end effector

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20040615

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20060512

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20060516

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060718

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20061212

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070208

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20070703

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20070710

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100720

Year of fee payment: 3

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100720

Year of fee payment: 3

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110720

Year of fee payment: 4

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120720

Year of fee payment: 5

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130720

Year of fee payment: 6

LAPS Cancellation because of no payment of annual fees