JP2005218755A - Treating implement for endoscope and endoscope treatment system - Google Patents

Treating implement for endoscope and endoscope treatment system Download PDF

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JP2005218755A
JP2005218755A JP2004032061A JP2004032061A JP2005218755A JP 2005218755 A JP2005218755 A JP 2005218755A JP 2004032061 A JP2004032061 A JP 2004032061A JP 2004032061 A JP2004032061 A JP 2004032061A JP 2005218755 A JP2005218755 A JP 2005218755A
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endoscope
treatment
treatment instrument
treatment tool
instrument insertion
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Keita Suzuki
啓太 鈴木
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Olympus Corp
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00131Accessories for endoscopes
    • A61B1/00133Drive units for endoscopic tools inserted through or with the endoscope

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Abstract

<P>PROBLEM TO BE SOLVED: To provide a treating implement for an endoscope and an endoscope treatment system in which the operation of the treating implement by an operator is made possible, the insertion, detachment and handling of the treating implement are facilitated and techniques are easily performed. <P>SOLUTION: The endoscope treatment system comprises: the endoscope 7 provided with an insertion part 2 to be inserted into a celom, an operation part 3 for operating the insertion part 2, a channel 5 communicating the inside of the insertion part 2 and the operation part 3 and a forceps port 6 connected to the base end of the channel 5; a flexible treating implement insertion part 10 for which a treating implement tip part 8 is disposed at the tip; and the treating implement 15 for the endoscope provided with a treating implement operation part 11 for operating the treating implement tip part 8, a storage part 12 capable of storing the treating implement insertion part 10 and a connection part 13 capable of attaching the storage part 12 to the implement channel port 6. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、内視鏡用処置具及び内視鏡処置システムに関する。   The present invention relates to an endoscope treatment tool and an endoscope treatment system.

一般に、鉗子等の処置具を内視鏡のチャンネルを介して体腔内に挿入する場合には、処置具を保持しながら術者がチャンネルに挿入している。しかしながら、例えば、大腸用の内視鏡では、この処置具挿入部の全長が2m以上もあるため、処置具の挿入作業に手間がかかり、生検等の処置作業が極めて面倒である。また、操作時に長い処置具挿入部が鉗子口からそのまま突出されているので、操作の邪魔とされている。
そこでこの手間を軽減するため、内視鏡の鉗子口から挿入された処置具を挿抜可能であるとともにこれを格納する格納具を配した内視鏡システムが提案されている(例えば、特許文献1、2参照。)。
米国特許第5,695,491号明細書 (第2図) 米国特許第5,931,833号明細書 (第2図)
In general, when a treatment tool such as forceps is inserted into a body cavity through a channel of an endoscope, an operator inserts the treatment tool into the channel while holding the treatment tool. However, for example, in an endoscope for a large intestine, since the total length of the treatment instrument insertion portion is 2 m or more, it takes time to insert the treatment instrument, and treatment work such as biopsy is extremely troublesome. In addition, since the long treatment instrument insertion portion protrudes directly from the forceps opening during operation, it is an obstacle to the operation.
In order to reduce this effort, there has been proposed an endoscope system in which a treatment tool inserted from a forceps opening of an endoscope can be inserted and removed and a storage tool for storing the treatment tool is arranged (for example, Patent Document 1). 2).
US Pat. No. 5,695,491 (FIG. 2) US Pat. No. 5,931,833 (FIG. 2)

しかしながら、上記従来の技術では、処置具挿入部をチャンネル内に挿通した状態で鉗子口と格納具とが離間されているので、処置具の操作の際、内視鏡を操作する術者が操作することができず、介助者が必要になってしまう。また、鉗子口と格納具との間に延びる処置具挿入部が依然として取扱時に邪魔になっている。
本発明は上記事情に鑑みて成されたものであり、術者による処置具の操作を可能にするとともに、処置具の挿抜及び取り扱いを容易にして手技を容易に行うことができる内視鏡用処置具及び内視鏡処置システムを提供することを目的とする。
However, in the above conventional technique, since the forceps opening and the storage tool are separated from each other with the treatment instrument insertion portion inserted into the channel, an operator who operates the endoscope operates the treatment tool. I can't do it and I need a helper. Further, the treatment instrument insertion portion extending between the forceps opening and the storage tool is still in the way during handling.
The present invention has been made in view of the above circumstances, and enables an operator to operate a treatment tool and facilitates the insertion and removal of the treatment tool and the handling of the endoscope. An object is to provide a treatment tool and an endoscope treatment system.

本発明は、上記課題を解決するため、以下の手段を採用する。
本発明に係る内視鏡用処置具は、可撓性を有する処置具挿入部と、該処置具挿入部を収納可能な収納部と、前記収納部を内視鏡の鉗子口に取付可能な接続部とを備えていることを特徴とする。
この内視鏡用処置具は、収納部内に処置具挿入部を収納することができ、長い処置具挿入部であっても取扱を容易に行うことができる。また、鉗子口に接続部を接続することによって収納部から直接処置具挿入部を鉗子口内に挿入することができ、処置具挿入部が邪魔にならず安定した状態で処置具の挿抜を行うことができる。
The present invention employs the following means in order to solve the above problems.
An endoscope treatment tool according to the present invention can be attached to a flexible treatment tool insertion portion, a storage portion capable of storing the treatment tool insertion portion, and the forceps opening of the endoscope. And a connecting portion.
This endoscope treatment instrument can accommodate a treatment instrument insertion section in the accommodation section, and can be easily handled even with a long treatment instrument insertion section. In addition, by connecting the connection part to the forceps port, the treatment tool insertion part can be inserted directly into the forceps port from the storage part, and the treatment tool insertion part can be inserted and removed in a stable state without obstruction. Can do.

また、本発明に係る内視鏡用処置具は、前記内視鏡用処置具であって、前記接続部が、前記鉗子口と回動可能に固定できる取付機構を備えていることを特徴とする。
この内視鏡用処置具は、接続部を介して内視鏡に対する収納部の向きを変更することができ、処置具の操作を容易に行うことができる。
The endoscope treatment tool according to the present invention is the endoscope treatment tool, wherein the connection portion includes an attachment mechanism that can be rotatably fixed to the forceps opening. To do.
This endoscope treatment tool can change the direction of the storage portion relative to the endoscope via the connection portion, and can easily operate the treatment tool.

また、本発明に係る内視鏡用処置具は、前記内視鏡用処置具であって、前記収納部が、前記処置具挿入部を巻き取る巻取り部材と、該巻取り部材を手動で回動させる回動操作部とを備えていることを特徴とする。
この内視鏡用処置具は、回動操作部で巻取り部材を手動で回動操作することによって処置具挿入部を巻取り部材に巻き取ることができ、少ない収納スペースでも処置具挿入部を折り曲げることなく効率良く収納することができる。また、収納部から処置具挿入部を取り出す際にも容易に取り出すことができる。
An endoscope treatment tool according to the present invention is the endoscope treatment tool, wherein the storage portion winds up the treatment tool insertion portion, and the winding member manually. And a turning operation unit for turning.
This endoscope treatment instrument can be wound around the take-up member by manually turning the take-up member with the turning operation part, so that the treatment tool insertion part can be installed even in a small storage space. It can be stored efficiently without being folded. Moreover, it can also be easily taken out when taking out the treatment instrument insertion portion from the storage portion.

また、本発明に係る内視鏡用処置具は、前記内視鏡用処置具であって、前記収納部から前記処置具挿入部を挿抜する挿抜手段を備えていることを特徴とする。
この内視鏡用処置具は、挿抜手段を操作することによって、収納部から処置具挿入部を取り出し、鉗子口を介して処置具挿入部を挿抜させることができる。
An endoscope treatment tool according to the present invention is the endoscope treatment tool, further comprising an insertion / extraction means for inserting / removing the treatment instrument insertion portion from the storage portion.
By operating the insertion / extraction means, this endoscope treatment instrument can take out the treatment instrument insertion section from the storage section and insert / remove the treatment instrument insertion section through the forceps opening.

また、本発明に係る内視鏡用処置具は、前記内視鏡用処置具であって、前記巻取り部材と前記挿抜手段とを連動して操作可能な伝達機構を備えていることを特徴とする。
この内視鏡用処置具は、巻取り部材と挿抜手段との何れか一方を操作することによって他方も連動して操作することができ、処置具挿入部の挿抜と巻取り部材への巻取り、及び、取り出しとを同時に行うことができる。
In addition, an endoscope treatment tool according to the present invention is the endoscope treatment tool including a transmission mechanism capable of operating the winding member and the insertion / extraction means in conjunction with each other. And
The endoscope treatment instrument can be operated in conjunction with the other by operating either the winding member or the insertion / extraction means, and the insertion / extraction of the treatment instrument insertion portion and the winding to the winding member can be performed. , And take-out can be performed simultaneously.

また、本発明に係る内視鏡用処置具は、前記内視鏡用処置具であって、処置を行う処置ユニットが前記処置具挿入部の先端側に着脱可能に接続されていることを特徴とする。
この内視鏡用処置具は、処置ユニットのみを交換することによって複数の処置を行う場合にも対応することができ、取扱を容易にするとともに手技時間を短縮することができる。
The endoscope treatment tool according to the present invention is the endoscope treatment tool, wherein a treatment unit for performing treatment is detachably connected to a distal end side of the treatment tool insertion portion. And
This endoscopic treatment tool can cope with a case where a plurality of treatments are performed by exchanging only the treatment unit, thereby facilitating handling and shortening the procedure time.

また、本発明に係る内視鏡用処置具は、前記内視鏡用処置具であって、前記巻取り部材及び前記挿抜手段の少なくとも一方を駆動する駆動部を備えていることを特徴とする。
この内視鏡用処置具は、駆動部を駆動することによって、巻取り部材及び挿抜手段の少なくとも一方の操作を自動的に行うことができる。
In addition, an endoscope treatment tool according to the present invention is the endoscope treatment tool, and includes a drive unit that drives at least one of the winding member and the insertion / extraction means. .
This endoscope treatment tool can automatically perform at least one of the winding member and the insertion / extraction means by driving the drive unit.

本発明に係る内視鏡処置システムは、本発明に係る内視鏡用処置具と、前記接続部と接続可能な鉗子口を有する内視鏡とを備えていることを特徴とする。
この内視鏡処置システムは、本発明に係る内視鏡用処置具を鉗子口に接続して使用することによって、長い処置具の挿抜等の取扱いを手元で容易に行うことができる。
An endoscope treatment system according to the present invention includes the endoscope treatment tool according to the present invention and an endoscope having a forceps port that can be connected to the connection portion.
This endoscope treatment system can be easily handled at hand by inserting and removing a long treatment tool by using the endoscope treatment tool according to the present invention by connecting it to the forceps opening.

本発明によれば、内視鏡用処置具の挿抜、取扱い、及び、収納を容易にして手技をより容易に行うことができる。   According to the present invention, the procedure can be performed more easily by easily inserting, removing, handling, and storing the endoscope treatment tool.

本発明に係る第1の実施形態について、図1から図3を参照しながら説明する。
本実施形態に係る内視鏡処置システム1は、図1に示すように、体腔内に挿入される挿入部2と、挿入部2を操作する操作部3と、挿入部2と操作部3との内部を連通するチャンネル5と、チャンネル5の基端に接続された鉗子口6とを有する内視鏡7と、可撓性を有して先端に処置具先端部8が配された処置具挿入部10と、処置具先端部8を操作する処置具操作部11と、処置具挿入部10を収納可能な収納部12と、収納部12を鉗子口6に取付可能な接続部13とを有する内視鏡用処置具15とを備えている。
A first embodiment according to the present invention will be described with reference to FIGS.
As shown in FIG. 1, the endoscope treatment system 1 according to the present embodiment includes an insertion unit 2 that is inserted into a body cavity, an operation unit 3 that operates the insertion unit 2, an insertion unit 2, and an operation unit 3. An endoscope 7 having a channel 5 communicating with the inside of the tube 5, a forceps port 6 connected to the proximal end of the channel 5, and a treatment tool having a treatment tool distal end portion 8 at the distal end thereof having flexibility. An insertion portion 10, a treatment instrument operation portion 11 that operates the treatment instrument distal end portion 8, a storage portion 12 that can store the treatment tool insertion portion 10, and a connection portion 13 that can attach the storage portion 12 to the forceps port 6. And an endoscope treatment tool 15.

処置具挿入部10は、コイル状に形成されたシース部16と、シース部16内で進退可能とされた不図示の操作ワイヤとを備えている。
収納部12は、図2及び図3に示すように、接続部13が接続された収納本体17と、筒状、かつ、収納本体17に対して中心軸回りに回動可能とされて処置具挿入部10を基端側から巻き取る巻取り部材18と、巻取り部材18の回動軸Cと直交方向に配されて手動で巻取り部材18を回動軸Cまわりに回動させる回動操作部20とを備えている。
The treatment instrument insertion portion 10 includes a sheath portion 16 formed in a coil shape and an operation wire (not shown) that can be advanced and retracted within the sheath portion 16.
As shown in FIGS. 2 and 3, the storage unit 12 has a storage body 17 to which the connection unit 13 is connected, a cylindrical shape, and is rotatable about the central axis with respect to the storage body 17. A winding member 18 that winds the insertion portion 10 from the base end side, and a rotation that is arranged in a direction orthogonal to the rotation axis C of the winding member 18 and manually rotates the winding member 18 around the rotation axis C. And an operation unit 20.

回動操作部20の一端20aは、巻取り部材18の回動軸Cに沿って配された巻取り軸部材21を介して巻取り部材18と接続されている。回動操作部20の他端20bには、巻取り軸部材21と同じ方向に延びる把持軸部材22が接続され、把持軸部材22に対して回動自在に把持部23が接続されている。
処置具操作部11は、処置具挿入部10の基端に接続されて巻取り部材18の回動軸Cの延びる方向に沿って収納本体17から突出して配されている。
One end 20 a of the rotation operation unit 20 is connected to the winding member 18 via a winding shaft member 21 disposed along the rotation axis C of the winding member 18. A gripping shaft member 22 extending in the same direction as the take-up shaft member 21 is connected to the other end 20 b of the rotation operation unit 20, and a gripping unit 23 is connected to the gripping shaft member 22 so as to be rotatable.
The treatment instrument operation section 11 is connected to the proximal end of the treatment instrument insertion section 10 and is disposed so as to protrude from the storage body 17 along the direction in which the rotation axis C of the winding member 18 extends.

処置具先端部8は、駆動力を受けて互いに開閉可能な一対の鉗子片25、26を備えている。
接続部13は、内部に処置具挿入部10が挿通可能な筒状に形成された接続本体27と、接続本体27の端部の内周面に配されたOリング28とを備え、鉗子口6と係合可能とされている。
The treatment instrument distal end 8 includes a pair of forceps pieces 25 and 26 that can be opened and closed with each other by receiving a driving force.
The connection portion 13 includes a connection main body 27 formed in a cylindrical shape into which the treatment instrument insertion portion 10 can be inserted, and an O-ring 28 disposed on the inner peripheral surface of the end portion of the connection main body 27. 6 is engageable.

次に、本実施形態に係る内視鏡処置システム1の使用方法、及び作用・効果について説明する。
まず、体腔内に内視鏡7の挿入部2を挿入して処置すべき患部に接近させた後、接続部13のOリング28と鉗子口6とを係合させて内視鏡用処置具15を内視鏡7に接続する。
Next, a method of using the endoscope treatment system 1 according to the present embodiment, and actions and effects will be described.
First, after inserting the insertion part 2 of the endoscope 7 into the body cavity and approaching the affected part to be treated, the O-ring 28 of the connection part 13 and the forceps port 6 are engaged to treat the endoscope treatment tool. 15 is connected to the endoscope 7.

把持部23を把持し、処置具挿入部10をチャンネル5内に送り出す方向に回動操作部20を回動軸Cまわりに回転させると、巻取り部材18が回動軸Cまわりに回転して処置具挿入部10の巻回状態が緩められ、処置具挿入部10が処置具先端部8側から接続部13に押し出されて鉗子口6からチャンネル5内に挿入される。一方、処置具操作部11は、巻取り軸部材21とともにその場で回転する。   When the rotation operation unit 20 is rotated around the rotation axis C in the direction in which the grasping unit 23 is held and the treatment instrument insertion unit 10 is fed into the channel 5, the winding member 18 rotates about the rotation axis C. The wound state of the treatment instrument insertion section 10 is loosened, and the treatment instrument insertion section 10 is pushed out from the treatment instrument distal end 8 side to the connection section 13 and inserted into the channel 5 from the forceps port 6. On the other hand, the treatment instrument operation unit 11 rotates on the spot together with the winding shaft member 21.

所定の位置に処置具先端部8が達した後、処置具操作部11を操作して一対の鉗子片25、26の開閉操作を行い所定の処置を行う。
処置具挿入部10を抜去する場合には、回動操作部20を上記と逆方向に回転させると、処置具挿入部10が基端側から巻取り部材18に巻回される。こうして、処置具挿入部10をチャンネル5から抜去する。
After the treatment instrument distal end 8 reaches a predetermined position, the treatment instrument operation unit 11 is operated to open and close the pair of forceps pieces 25 and 26 to perform a predetermined treatment.
In the case of removing the treatment instrument insertion portion 10, the treatment instrument insertion portion 10 is wound around the winding member 18 from the proximal end side by rotating the rotation operation portion 20 in the opposite direction. In this way, the treatment instrument insertion portion 10 is removed from the channel 5.

この内視鏡処置システム1によれば、収納部12内に処置具挿入部10を収納することができ、長い処置具挿入部10であっても取扱を容易に行うことができる。また、鉗子口6に接続部13を接続することによって収納部12から直接処置具挿入部10を鉗子口6内に挿入することができ、処置具挿入部10が邪魔にならず安定した状態で挿抜を行うことができる。
さらに、処置具挿入部10の抜去時に、回動操作部20で巻取り部材18を手動で回転操作することによって処置具挿入部10を巻取り部材18に巻き取ることができ、少ない収納スペースでも処置具挿入部10を折り曲げることなく効率良く収納することができる。
According to this endoscope treatment system 1, the treatment instrument insertion portion 10 can be accommodated in the accommodation portion 12, and even a long treatment instrument insertion portion 10 can be handled easily. In addition, by connecting the connecting portion 13 to the forceps port 6, the treatment instrument insertion portion 10 can be directly inserted into the forceps port 6 from the storage portion 12, and the treatment instrument insertion portion 10 is in a stable state without becoming an obstacle. Insertion and extraction can be performed.
Furthermore, when the treatment instrument insertion portion 10 is removed, the treatment instrument insertion portion 10 can be wound around the winding member 18 by manually rotating the winding member 18 with the rotation operation portion 20, and even with a small storage space. The treatment instrument insertion portion 10 can be efficiently stored without being bent.

次に、第2の実施形態について図4を参照しながら説明する。
なお、上述した第1の実施形態と同様の構成要素には同一符号を付すとともに説明を省略する。
第2の実施形態と第1の実施形態との異なる点は、本実施形態に係る内視鏡処置システム30に係る内視鏡用処置具31の接続部32が、鉗子口6と回動可能に固定できる取付機構33を備えている点である。
Next, a second embodiment will be described with reference to FIG.
In addition, the same code | symbol is attached | subjected to the component similar to 1st Embodiment mentioned above, and description is abbreviate | omitted.
The difference between the second embodiment and the first embodiment is that the connecting portion 32 of the endoscope treatment tool 31 according to the endoscope treatment system 30 according to the present embodiment is rotatable with the forceps opening 6. It is the point provided with the attachment mechanism 33 which can be fixed to.

取付機構33は、接続本体35の一端35aに径方向内方に形成され接続本体35の開口側に向かって突出量が漸次小さくされた顎部36と、接続本体35内に配され一端37aが接続本体35の他端35b側に接続されたバネ37と、バネ37の他端37bに接続されて鉗子口6のフランジ状の端部6Bと当接可能な係止板38とを備えている。
顎部36における接続本体35の内径は、鉗子口6の端部6Bよりも小さく鉗子口本体6Aよりも大きい径とされている。
顎部36近傍の接続本体35は、顎部36が端部6Bを通過可能に湾曲可能とされている。
The attachment mechanism 33 is formed in the one end 35a of the connection main body 35 inward in the radial direction, and has a jaw portion 36 whose protrusion amount is gradually reduced toward the opening side of the connection main body 35, and one end 37a disposed in the connection main body 35. A spring 37 connected to the other end 35b side of the connection body 35 and a locking plate 38 connected to the other end 37b of the spring 37 and capable of coming into contact with the flange-like end 6B of the forceps port 6 are provided. .
The inner diameter of the connection body 35 in the jaw 36 is smaller than the end 6B of the forceps port 6 and larger than the forceps port body 6A.
The connection main body 35 in the vicinity of the jaw portion 36 can be bent so that the jaw portion 36 can pass through the end portion 6B.

この内視鏡処置システム30の操作方法、及び作用・効果について説明する。
本実施形態に係る内視鏡処置システム30も、上記と同様の操作方法とされるが、鉗子口6に接続部32を接続する際、接続本体35の一端35a側から鉗子口6と係合させる際、鉗子口6の端部6Bが係止板38を押してバネ37を縮めながら係止板38を移動させる。
The operation method, operation and effect of the endoscope treatment system 30 will be described.
The endoscope treatment system 30 according to the present embodiment is also operated in the same manner as described above, but when the connection portion 32 is connected to the forceps port 6, the forceps port 6 is engaged from the one end 35 a side of the connection body 35. When the forceps 6 are moved, the end 6B of the forceps port 6 pushes the locking plate 38 and moves the locking plate 38 while contracting the spring 37.

顎部36と端部6Bとが係止されると、バネ37の復元力によって端部6Bが係止板38と顎部36とに挟まれ、接続部32が鉗子口6に固定される。この際、端部6Bと係止板38との摩擦力よりも大きい力で接続本体35を軸まわりに回転させると、鉗子口6に対して接続部32が回転して処置具操作部11を所望の向きに向けることができる。
この内視鏡処置システム30によれば、接続部32を介して操作部3に対する収納部12の向きを変更可能に内視鏡用処置具31を鉗子口6に固定することができ、内視鏡用処置具31の操作を好適な向きに変更して容易な操作を行うことができる。
When the jaw portion 36 and the end portion 6B are locked, the end portion 6B is sandwiched between the locking plate 38 and the jaw portion 36 by the restoring force of the spring 37, and the connecting portion 32 is fixed to the forceps port 6. At this time, when the connection main body 35 is rotated around the axis with a force larger than the frictional force between the end portion 6B and the locking plate 38, the connection portion 32 is rotated with respect to the forceps opening 6 and the treatment instrument operation portion 11 is moved. It can be oriented in the desired direction.
According to the endoscope treatment system 30, the endoscope treatment tool 31 can be fixed to the forceps port 6 so that the orientation of the storage portion 12 with respect to the operation portion 3 can be changed via the connection portion 32. An easy operation can be performed by changing the operation of the mirror treatment tool 31 to a suitable direction.

次に、第3の実施形態について図5及び図6を参照しながら説明する。
なお、上述した他の実施形態と同様の構成要素には同一符号を付すとともに説明を省略する。
第3の実施形態と第2の実施形態との異なる点は、本実施形態に係る内視鏡処置システム40の内視鏡41が、接続部42と接続可能な鉗子口43を備えているとした点である。
Next, a third embodiment will be described with reference to FIGS.
In addition, the same code | symbol is attached | subjected to the component similar to other embodiment mentioned above, and description is abbreviate | omitted.
The difference between the third embodiment and the second embodiment is that the endoscope 41 of the endoscope treatment system 40 according to this embodiment includes a forceps port 43 that can be connected to the connection portion 42. This is the point.

鉗子口43の端部43Bの外周面には、周方向に離隔されるとともに径方向に突出して形成された複数のバヨネット爪45が配されている。
内視鏡用処置具46の接続部42の接続本体47内周面には、バヨネット爪45がそれぞれ嵌合可能なバヨネット溝(取付機構)48が配されている。
A plurality of bayonet claws 45 that are spaced apart in the circumferential direction and project in the radial direction are arranged on the outer circumferential surface of the end portion 43B of the forceps port 43.
A bayonet groove (attachment mechanism) 48 into which the bayonet claws 45 can be respectively fitted is disposed on the inner peripheral surface of the connection main body 47 of the connection portion 42 of the endoscope treatment instrument 46.

本実施形態に係る内視鏡処置システム40も、上記第2の実施形態と同様の作用・効果を得ることができるが、バヨネット爪45をバヨネット溝48に係合させながら接続部42を鉗子口43に対して回転させることによって鉗子口43と接続部42とをバヨネット結合させることができ、内視鏡用処置具46をより安定して鉗子口43に接続することができる。   The endoscope treatment system 40 according to the present embodiment can also obtain the same operations and effects as those of the second embodiment, but the connection portion 42 is connected to the forceps opening while the bayonet claw 45 is engaged with the bayonet groove 48. By rotating with respect to 43, the forceps port 43 and the connection portion 42 can be bayonet-coupled, and the endoscope treatment tool 46 can be connected to the forceps port 43 more stably.

次に、第4の実施形態について図7を参照しながら説明する。
なお、上述した他の実施形態と同様の構成要素には同一符号を付すとともに説明を省略する。
第4の実施形態と第1の実施形態との異なる点は、本実施形態に係る内視鏡処置システム50の内視鏡用処置具51が、収納部52から処置具挿入部10を挿抜する挿抜手段53を備えているとした点である。
Next, a fourth embodiment will be described with reference to FIG.
In addition, the same code | symbol is attached | subjected to the component similar to other embodiment mentioned above, and description is abbreviate | omitted.
The difference between the fourth embodiment and the first embodiment is that the endoscope treatment instrument 51 of the endoscope treatment system 50 according to this embodiment inserts and removes the treatment instrument insertion section 10 from the storage section 52. The insertion / extraction means 53 is provided.

挿抜手段53は、処置具挿入部10を圧接して互いに対向して接続部13近傍の収納本体17内に配され、ローラ軸部材55まわりに互いに逆方向に回動可能とされた一対のローラ56、57と、ローラ56のローラ軸部材55と直交方向に配されて手動でローラ56をローラ軸部材55まわりに回動させるローラ操作部58とを備えている。
ローラ操作部58の一端58aは、ローラ軸部材55を介してローラ56と接続されている。ローラ操作部58の他端58bには、ローラ操作部58の延びる方向に対して直交方向に延びる把持部23が接続されている。
The insertion / extraction means 53 is disposed in the storage body 17 in the vicinity of the connection portion 13 so as to oppose each other by pressing the treatment instrument insertion portion 10, and is a pair of rollers that are rotatable around the roller shaft member 55 in opposite directions. 56 and 57, and a roller operation portion 58 that is arranged in a direction orthogonal to the roller shaft member 55 of the roller 56 and manually rotates the roller 56 around the roller shaft member 55.
One end 58 a of the roller operation unit 58 is connected to the roller 56 via the roller shaft member 55. The other end 58 b of the roller operation unit 58 is connected to the grip portion 23 that extends in a direction orthogonal to the direction in which the roller operation unit 58 extends.

次に、本実施形態に係る内視鏡処置システム50の操作方法、及び、作用・効果について説明する。
まず、本実施形態においても、上記他の実施形態と同様に、内視鏡用処置具51を鉗子口6に装着する。
次に、処置具挿入部10をチャンネル5内に挿入する。この際、ローラ操作部58を操作する。
Next, the operation method, operation, and effect of the endoscope treatment system 50 according to the present embodiment will be described.
First, also in the present embodiment, the endoscope treatment tool 51 is attached to the forceps port 6 as in the other embodiments described above.
Next, the treatment instrument insertion portion 10 is inserted into the channel 5. At this time, the roller operation unit 58 is operated.

すなわち、把持部23を把持し、処置具挿入部10をチャンネル5内に送り出す方向にローラ操作部58をローラ軸部材55まわりに回転する。
このとき、一対のローラ56、57が互いに異なる方向に回転するため、これらに圧接された処置具挿入部10が進退する。そして、巻取り部材18に巻回された処置具挿入部10が処置具先端部8側から引き出されてチャンネル5内に挿入される。
所定の位置に処置具先端部8が達した後、処置具操作部11にて一対の鉗子片25、26の操作を行い所定の処置を行う。
That is, the gripping portion 23 is gripped, and the roller operation portion 58 is rotated around the roller shaft member 55 in the direction in which the treatment instrument insertion portion 10 is fed into the channel 5.
At this time, since the pair of rollers 56 and 57 rotate in different directions, the treatment instrument insertion portion 10 in pressure contact with each other advances and retreats. Then, the treatment instrument insertion portion 10 wound around the winding member 18 is pulled out from the treatment instrument distal end portion 8 side and inserted into the channel 5.
After the treatment instrument distal end 8 reaches a predetermined position, the treatment instrument operation section 11 operates the pair of forceps pieces 25 and 26 to perform a predetermined treatment.

処置具挿入部10を抜去する場合には、ローラ操作部58ではなく、回動操作部20を処置具挿入部10を巻き取る方向に回転すると、上記他の実施形態と同様に、巻取り部材18が回動軸Cまわりに回転し、処置具挿入部10が基端側から巻取り部材18に巻回される。こうして、処置具挿入部10をチャンネル5から抜去する。
この内視鏡処置システム50によれば、挿抜手段53を操作して直接処置具挿入部10を進退させることによって、回動操作部20を操作する場合よりも収納部52から処置具挿入部10を容易に取り出すことができ、鉗子口6を介して処置具挿入部10を挿抜させることができる。
When removing the treatment instrument insertion portion 10, if the rotation operation portion 20 is rotated in the direction of winding the treatment instrument insertion portion 10 instead of the roller operation portion 58, the winding member is the same as in the other embodiments described above. 18 rotates around the rotation axis C, and the treatment instrument insertion portion 10 is wound around the winding member 18 from the proximal end side. In this way, the treatment instrument insertion portion 10 is removed from the channel 5.
According to this endoscope treatment system 50, the treatment instrument insertion section 10 is operated from the storage section 52 by operating the insertion / extraction means 53 and directly moving the treatment instrument insertion section 10 forward and backward than when operating the rotation operation section 20. Can be easily taken out, and the treatment instrument insertion portion 10 can be inserted and removed through the forceps port 6.

次に、第5の実施形態について図8を参照しながら説明する。
なお、上述した他の実施形態と同様の構成要素には同一符号を付すとともに説明を省略する。
第5の実施形態と第4の実施形態との異なる点は、第4の実施形態に係る挿抜手段53はローラ操作部58を備えているが、本実施形態に係る内視鏡処置システム61の内視鏡用処置具62の挿抜手段63はローラ操作部58を備えておらず、代わりに、内視鏡用処置具62が、ローラ56のローラ軸部材55と巻取り部材18の巻取り軸部材21とに巻回されてこれらを連動して操作可能な無端ベルト(伝達機構)65を備えているとした点である。
この際、一対のローラ56、57によって処置具挿入部10を送り出す長さと巻取り部材18から処置具挿入部10を送り出す長さとを同一の長さにする必要があるため、ローラ軸部材55と巻取り軸部材21との外径比が所定の比率で規定されている。
Next, a fifth embodiment will be described with reference to FIG.
In addition, the same code | symbol is attached | subjected to the component similar to other embodiment mentioned above, and description is abbreviate | omitted.
The difference between the fifth embodiment and the fourth embodiment is that the insertion / extraction means 53 according to the fourth embodiment includes a roller operation unit 58, but the endoscope treatment system 61 according to this embodiment is different from the fifth embodiment. The insertion / extraction means 63 of the endoscope treatment tool 62 does not include the roller operation unit 58. Instead, the endoscope treatment tool 62 includes the roller shaft member 55 of the roller 56 and the winding shaft of the winding member 18. An endless belt (transmission mechanism) 65 that is wound around the member 21 and can be operated in conjunction with the member 21 is provided.
At this time, since the length for feeding the treatment instrument insertion portion 10 by the pair of rollers 56 and 57 and the length for feeding the treatment instrument insertion portion 10 from the winding member 18 need to be the same length, the roller shaft member 55 and An outer diameter ratio with the winding shaft member 21 is defined at a predetermined ratio.

この内視鏡処置システム61の操作方法、及び作用・効果について説明する。
まず、上記他の実施形態と同様に、内視鏡処置具62を鉗子口6に装着する。
次に、処置具挿入部10をチャンネル5内に挿入する際には、回動操作部20の把持部23を把持し、処置具挿入部10をチャンネル5内に引き出す方向に回動操作部20を回転させる。
An operation method, operation, and effect of the endoscope treatment system 61 will be described.
First, similarly to the other embodiments described above, the endoscope treatment tool 62 is attached to the forceps opening 6.
Next, when the treatment instrument insertion portion 10 is inserted into the channel 5, the grasping portion 23 of the rotation operation portion 20 is grasped, and the rotation operation portion 20 is pulled in the direction in which the treatment instrument insertion portion 10 is pulled out into the channel 5. Rotate.

この際、巻取り軸部材21が回転するのに伴い、巻取り軸部材21に巻回された無端ベルト65が巻取り軸部材21と同一の方向に回転して、ローラ56のローラ軸部材55に回転トルクが伝達されてローラ56が巻取り部材18と同一方向に回転する。一方、ローラ57はローラ軸部材55まわりにローラ56と逆方向に回転し、これらに圧接されて巻取り部材18に巻回された処置具挿入部10が処置具先端部8側から引き出されてチャンネル5内に挿入される。
所定の位置に処置具先端部8が達した後、回転操作部20の操作を停止して処置具操作部11にて一対の鉗子片25、26の操作を行い所定の処置を行う。
At this time, as the winding shaft member 21 rotates, the endless belt 65 wound around the winding shaft member 21 rotates in the same direction as the winding shaft member 21, and the roller shaft member 55 of the roller 56. Rotational torque is transmitted to the roller 56 and the roller 56 rotates in the same direction as the winding member 18. On the other hand, the roller 57 rotates around the roller shaft member 55 in the opposite direction to the roller 56, and the treatment instrument insertion portion 10 that is pressed against these and wound around the winding member 18 is pulled out from the distal end portion 8 side of the treatment instrument. Inserted into channel 5.
After the treatment instrument tip 8 reaches a predetermined position, the operation of the rotary operation unit 20 is stopped, and the pair of forceps pieces 25 and 26 are operated by the treatment tool operation unit 11 to perform a predetermined treatment.

処置具挿入部10を抜去する場合には、回動操作部20を上記とは逆方向に回転させると、上記他の実施形態と同様に処置具挿入部10が基端側から巻取り部材18に巻回される。こうして、処置具挿入部10をチャンネル5から抜去する。
この内視鏡処置システム61によれば、巻取り部材18の回転操作に連動して一対のローラ56、57を回転操作することができ、処置具挿入部10の挿抜と巻取り部材18への巻取り、及び、取り出しとを同時に行うことができる。
なお、図9に示すように、無端ベルト65が巻取り部材18に直接巻回されていても構わない。
In the case of removing the treatment instrument insertion portion 10, when the rotation operation portion 20 is rotated in the opposite direction to the above, the treatment instrument insertion portion 10 is wound from the proximal end side to the winding member 18 as in the other embodiments. Wound around. In this way, the treatment instrument insertion portion 10 is removed from the channel 5.
According to this endoscope treatment system 61, the pair of rollers 56 and 57 can be rotated in conjunction with the rotation operation of the winding member 18. Winding and taking out can be performed simultaneously.
As shown in FIG. 9, the endless belt 65 may be wound directly around the winding member 18.

次に、第6の実施形態について図10から図12を参照しながら説明する。
なお、上述した他の実施形態と同様の構成要素には同一符号を付すとともに説明を省略する。
第6の実施形態と第5の実施形態との異なる点は、本実施形態に係る内視鏡処置システム66の内視鏡用処置具67が、図10に示すように、回動操作部68と操作ハンドル69とを備え、これらの操作によって処置具先端部8を操作可能とされているとした点である。
Next, a sixth embodiment will be described with reference to FIGS.
In addition, the same code | symbol is attached | subjected to the component similar to other embodiment mentioned above, and description is abbreviate | omitted.
The difference between the sixth embodiment and the fifth embodiment is that the endoscope treatment tool 67 of the endoscope treatment system 66 according to the present embodiment has a rotation operation unit 68 as shown in FIG. And the operation handle 69, and the treatment tool distal end portion 8 can be operated by these operations.

図11に示すように、収納部70の収納本体71は筒状に形成され、一端面72には蓋部76が設けられて巻取り部材18が収納されている。
収納本体71の他端面73側には、巻取り部材18から突出して延びて配された巻取り軸部材21と第1のスペーサ77を介して回動可能に接続された操作ハンドル69が配されている。回動操作部68は、第2のスペーサ80を挟んで操作ハンドル69に隣接して配されている。操作ハンドル69と回動操作部68とは、図示しない接着部にて接続されて共に回動可能とされ、或いは、接続されない場合には回動操作部68に対して操作ハンドル69が回動可能とされている。
無端ベルト65は、ローラ65と巻取り部材18とに巻回されており、巻取り部材18を回動させると無端ベルト65の移動によってローラ56に回転トルクが伝達される。
As shown in FIG. 11, the storage body 71 of the storage unit 70 is formed in a cylindrical shape, and a cover 76 is provided on one end surface 72 to store the winding member 18.
On the other end surface 73 side of the storage main body 71, an operation handle 69 that is rotatably connected via a winding shaft member 21 that extends from the winding member 18 and a first spacer 77 is disposed. ing. The rotation operation unit 68 is disposed adjacent to the operation handle 69 with the second spacer 80 interposed therebetween. The operation handle 69 and the rotation operation unit 68 are connected to each other by an adhesive unit (not shown) and can be rotated together. Alternatively, when not connected, the operation handle 69 can be rotated with respect to the rotation operation unit 68. It is said that.
The endless belt 65 is wound around the roller 65 and the winding member 18. When the winding member 18 is rotated, rotational torque is transmitted to the roller 56 by the movement of the endless belt 65.

操作ハンドル69は、図12に示すように、巻取り軸部材21と接続されたハンドル中央部81と、ハンドル中央部81の外周面の3箇所から径方向外方に向かって突出して延びる第1の指掛部82、第2の指掛部83、第3の指掛部85とを備えている。
各指掛部の先端には、操作者の指が挿入可能な孔部86がそれぞれ形成されている。
第1の指掛部82の先端には、操作ワイヤ87の基端が接続された取付部88が配されている。
As shown in FIG. 12, the operation handle 69 has a handle central portion 81 connected to the take-up shaft member 21, and a first extending extending radially outward from three locations on the outer peripheral surface of the handle central portion 81. The second finger hook portion 82, the second finger hook portion 83, and the third finger hook portion 85 are provided.
A hole 86 through which an operator's finger can be inserted is formed at the tip of each finger hook.
An attachment portion 88 to which the proximal end of the operation wire 87 is connected is disposed at the distal end of the first finger hook portion 82.

巻取り部材18には取付部88が貫通可能な貫通孔90が形成されており、取付部88が貫通孔90に貫通されて係合された状態で操作ハンドル69を回転操作することによって、巻取り部材18が回転可能とされている。
回動操作部68も、操作ハンドル69と同様に、第1の指掛部82、第2の指掛部83、第3の指掛部85とを備えて操作ハンドル69よりも外方に配されている。把持部23は、第1の指掛部82の先端側に配されている。
The winding member 18 is formed with a through-hole 90 through which the attachment portion 88 can pass. By rotating the operation handle 69 in a state where the attachment portion 88 is penetrated through and engaged with the through-hole 90, the winding member 18 is wound. The take-up member 18 is rotatable.
Similarly to the operation handle 69, the rotation operation unit 68 includes a first finger hook portion 82, a second finger hook portion 83, and a third finger hook portion 85, and is arranged outward from the operation handle 69. Has been. The grip portion 23 is disposed on the distal end side of the first finger hook portion 82.

次に、本実施形態に係る内視鏡処置システム66の操作方法、及び、作用・効果について説明する。
まず、本実施形態においても、上記他の実施形態と同様に、内視鏡用処置具67を鉗子口6に装着する。
処置具挿入部10をチャンネル5内に挿入する際には、不図示の接着部にて操作ハンドル69と回動操作部68とを共に回動可能とさせた後、回動操作部68の把持部23を把持して回動操作部68を回動軸Cまわりに回転させる。
Next, the operation method, operation, and effect of the endoscope treatment system 66 according to the present embodiment will be described.
First, also in the present embodiment, the endoscope treatment tool 67 is attached to the forceps port 6 as in the other embodiments described above.
When the treatment instrument insertion portion 10 is inserted into the channel 5, the operation handle 69 and the rotation operation portion 68 can be rotated together by an adhesive portion (not shown), and then the rotation operation portion 68 is gripped. The rotation operation unit 68 is rotated around the rotation axis C by grasping the part 23.

この際、巻取り部材18が回転するのに伴い、無端ベルト65が巻取り部材18と同一の方向に回転して、ローラ56に回転トルクが伝達されてローラ56が巻取り部材18と同一方向に回転し、ローラ57は逆方向に回転する。そして、巻取り部材18に巻回された処置具挿入部10が処置具先端部8側から引き出されてチャンネル5内に挿入される。この際、操作ワイヤ87はシース部16とともに移動するので、処置具先端部8に駆動力は伝達されない。   At this time, as the winding member 18 rotates, the endless belt 65 rotates in the same direction as the winding member 18, and rotational torque is transmitted to the roller 56, so that the roller 56 has the same direction as the winding member 18. The roller 57 rotates in the reverse direction. Then, the treatment instrument insertion portion 10 wound around the winding member 18 is pulled out from the treatment instrument distal end portion 8 side and inserted into the channel 5. At this time, since the operation wire 87 moves together with the sheath portion 16, the driving force is not transmitted to the treatment instrument distal end portion 8.

所定の位置に処置具先端部8が達した後、処置具操作部11にて一対の鉗子片25、26の開閉操作を行う。その際、不図示の接着部を操作して回動操作部68に対して操作ハンドル69を回動自在とさせる。
そして、回動操作部68の何れかの指掛部と操作ハンドル69の対応する指掛部との孔部86にそれぞれ指を掛けて、回動操作部68と操作ハンドル69とが互いに重なる方向に接近させる。
After the treatment instrument distal end 8 reaches a predetermined position, the treatment instrument operation section 11 opens and closes the pair of forceps pieces 25 and 26. At that time, the operation handle 69 is made to be rotatable with respect to the rotation operation portion 68 by operating an adhesive portion (not shown).
Then, a finger is put on each hole 86 of the finger hooking portion of the rotation operation portion 68 and the corresponding finger hooking portion of the operation handle 69 so that the rotation operation portion 68 and the operation handle 69 overlap each other. To approach.

このとき、巻取り部材18に接続されたシース部16に対して操作ワイヤ87が移動するため、処置具先端部8の駆動力が生じて操作ワイヤ87を介して処置具先端部8に伝達されて一対の鉗子片25、26を開く。
一対の鉗子片25、26を閉じる場合には、操作ハンドル69を回動操作部68に対して離間する方向に移動させると、操作ワイヤ87が上記と逆方向に移動して一対の鉗子片25、26を閉じる。
こうして、所定の処置を終了する。
At this time, since the operation wire 87 moves with respect to the sheath portion 16 connected to the winding member 18, a driving force of the treatment instrument distal end portion 8 is generated and transmitted to the treatment instrument distal end portion 8 via the operation wire 87. Then, the pair of forceps pieces 25 and 26 are opened.
When closing the pair of forceps pieces 25, 26, when the operation handle 69 is moved away from the rotation operation portion 68, the operation wire 87 moves in the opposite direction to the above and the pair of forceps pieces 25. , 26 is closed.
Thus, the predetermined treatment is finished.

処置具挿入部10をチャンネル5から抜去する場合には、不図示の接着部にて回動操作部68と操作ハンドル69とを再び拘束し、回動操作部68を上記と逆方向に回転させる。こうして、処置具挿入部10をチャンネル5内に移動させるとともに巻取り部材18に巻回させて収納する。
この内視鏡処置システム66も、上記第5の実施形態と同様の効果を得ることができるが、処置具操作部11の機能を回動操作部68と操作ハンドル69とで実施することができ、収納部70をコンパクトにして内視鏡用処置具67の収納スペースを削減することができる。
When the treatment instrument insertion portion 10 is removed from the channel 5, the rotation operation portion 68 and the operation handle 69 are restrained again by an adhesive portion (not shown), and the rotation operation portion 68 is rotated in the opposite direction. . In this way, the treatment instrument insertion portion 10 is moved into the channel 5 and wound around the winding member 18 for storage.
This endoscope treatment system 66 can also obtain the same effects as those of the fifth embodiment, but the function of the treatment instrument operation unit 11 can be implemented by the rotation operation unit 68 and the operation handle 69. The storage unit 70 can be made compact, and the storage space for the endoscope treatment tool 67 can be reduced.

なお、本発明の技術範囲は上記実施の形態に限定されるものではなく、本発明の趣旨を逸脱しない範囲において種々の変更を加えることが可能である。
例えば、取付機構91は、図13(a)、(b)に示すように、中央に第1の孔92Aと第2の孔92Bと両者を連通する連通部92Cとが形成された取付板92を備え、接続本体93が、第1の孔92Aと第2の孔92Bとの間を移動可能に連通されているとしても構わない。
The technical scope of the present invention is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention.
For example, as shown in FIGS. 13 (a) and 13 (b), the attachment mechanism 91 has an attachment plate 92 in which a first hole 92A, a second hole 92B, and a communication portion 92C that communicates both are formed at the center. The connection main body 93 may be movably communicated between the first hole 92A and the second hole 92B.

この場合、第1の孔92Aは、鉗子口6の端部6Bが挿通可能な外径とされ、第2の孔92Bは、鉗子口本体6Aよりも大きい外径に形成されている。したがって、取付板92の第1の孔92Aを端部6Bに係合させて鉗子口本体6Aまで挿入後、取付板92を第2の孔92Bのほうに移動することによって、内視鏡用処置具95を鉗子口6に装着させることができる。   In this case, the first hole 92A has an outer diameter through which the end 6B of the forceps port 6 can be inserted, and the second hole 92B is formed to have an outer diameter larger than that of the forceps port body 6A. Accordingly, after the first hole 92A of the mounting plate 92 is engaged with the end 6B and inserted into the forceps port main body 6A, the mounting plate 92 is moved toward the second hole 92B, whereby an endoscope treatment is performed. The tool 95 can be attached to the forceps opening 6.

また、図14及び図15に示すように、回動操作部96が、孔部のない第1の指掛部97、第2の指掛部98、第3の指掛部100を備え、操作ハンドル101が、孔部のない第1の指掛部102、第2の指掛部103、第3の指掛部105とを備えた内視鏡用処置具106としても構わない。
この場合、上記第6の実施形態と異なり、各指掛部を直接把持して操作ハンドル101を回転することによって、上記第6の実施形態と同様の作用・効果を得ることができる。
Further, as shown in FIGS. 14 and 15, the rotation operation unit 96 includes a first finger hooking portion 97, a second finger hooking portion 98, and a third finger hooking portion 100 that do not have holes. The handle 101 may be an endoscope treatment instrument 106 including a first finger hook portion 102 without a hole portion, a second finger hook portion 103, and a third finger hook portion 105.
In this case, unlike the sixth embodiment, the same actions and effects as in the sixth embodiment can be obtained by directly gripping each finger hook and rotating the operation handle 101.

さらに、上記実施形態では、巻取り部材18及び一対のローラ56、57を手動で回転操作するものとしているが、これらを駆動する駆動部を備えているとしても構わない。
この場合、駆動部によって処置具挿入部10の挿抜を自動的に行うことができる。
Furthermore, in the above-described embodiment, the winding member 18 and the pair of rollers 56 and 57 are manually rotated. However, a drive unit that drives them may be provided.
In this case, the treatment instrument insertion section 10 can be automatically inserted and removed by the drive section.

また、上記実施形態では、処置具先端部8が処置具挿入部10に接続されているとしているが、一対の鉗子片25、26を備えて処置を行う処置ユニットが処置具挿入部の先端側に着脱可能に接続されているとしても構わない。
この場合、処置毎にそれぞれの処置に対応した処置ユニットに交換することによって、手技をより短時間で行うことができる。
In the above embodiment, the treatment instrument distal end 8 is connected to the treatment instrument insertion section 10. However, a treatment unit that includes a pair of forceps pieces 25 and 26 to perform a treatment is on the distal end side of the treatment instrument insertion section. It does not matter even if it is detachably connected.
In this case, the procedure can be performed in a shorter time by replacing each treatment with a treatment unit corresponding to each treatment.

本発明に係る第1の実施形態の内視鏡処置システムを示す正面図である。1 is a front view showing an endoscope treatment system according to a first embodiment of the present invention. 本発明に係る第1の実施形態における内視鏡用処置具を示す正面図である。It is a front view which shows the treatment tool for endoscopes in 1st Embodiment which concerns on this invention. 本発明に係る第1の実施形態における内視鏡用処置具を示す側面図である。It is a side view which shows the treatment tool for endoscopes in 1st Embodiment which concerns on this invention. 本発明に係る第2の実施形態における内視鏡用処置具の要部を示す断面図である。It is sectional drawing which shows the principal part of the treatment tool for endoscopes in 2nd Embodiment which concerns on this invention. 本発明に係る第3の実施形態における内視鏡の鉗子口を示す正面図である。It is a front view which shows the forceps opening | mouth of the endoscope in 3rd Embodiment which concerns on this invention. 本発明に係る第3の実施形態における内視鏡処置システムの要部を示す断面図である。It is sectional drawing which shows the principal part of the endoscope treatment system in 3rd Embodiment which concerns on this invention. 本発明に係る第4の実施形態における内視鏡用処置具を示す正面図である。It is a front view which shows the treatment tool for endoscopes in 4th Embodiment which concerns on this invention. 本発明に係る第5の実施形態における内視鏡用処置具を示す正面図である。It is a front view which shows the treatment tool for endoscopes in 5th Embodiment which concerns on this invention. 本発明に係る第5の実施形態における内視鏡用処置具の他の例を示す正面側の断面図である。It is sectional drawing of the front side which shows the other example of the treatment tool for endoscopes in 5th Embodiment which concerns on this invention. 本発明に係る第6の実施形態における内視鏡用処置具を示す正面図である。It is a front view which shows the treatment tool for endoscopes in 6th Embodiment which concerns on this invention. 本発明に係る第6の実施形態における内視鏡用処置具の構成を示す側面図である。It is a side view which shows the structure of the treatment tool for endoscopes in 6th Embodiment which concerns on this invention. 本発明に係る第6の実施形態における内視鏡用処置具の回転操作部を示す正面図である。It is a front view which shows the rotation operation part of the treatment tool for endoscopes in 6th Embodiment which concerns on this invention. 本発明に係る他の実施形態における内視鏡用処置具の取付機構を示す図である。It is a figure which shows the attachment mechanism of the treatment tool for endoscopes in other embodiment which concerns on this invention. 本発明に係る他の実施形態における内視鏡用処置具を示す正面図である。It is a front view which shows the treatment tool for endoscopes in other embodiment which concerns on this invention. 本発明に係る他の実施形態における内視鏡用処置具を示す側面側の断面図である。It is sectional drawing of the side surface which shows the treatment tool for endoscopes in other embodiment which concerns on this invention.

符号の説明Explanation of symbols

1、30、40、50、61、66 内視鏡処置システム
6、43 鉗子口
7、41 内視鏡
10 処置具挿入部
12、52、70 収納部
13、32、42 接続部
15、31、46、51、62、67、95、106 内視鏡用処置具
18、108 巻取り部材
20、68、96 回動操作部
33、91 取付機構
48 バヨネット溝(取付機構)
53、63 挿抜手段
65 無端ベルト(伝達機構)
1, 30, 40, 50, 61, 66 Endoscopic treatment system 6, 43 Forceps port 7, 41 Endoscope 10 Treatment instrument insertion part 12, 52, 70 Storage part 13, 32, 42 Connection part 15, 31, 46, 51, 62, 67, 95, 106 Endoscopic treatment tool 18, 108 Winding member 20, 68, 96 Rotating operation part 33, 91 Attachment mechanism 48 Bayonet groove (attachment mechanism)
53, 63 Insertion / extraction means 65 Endless belt (Transmission mechanism)

Claims (8)

可撓性を有する処置具挿入部と、
該処置具挿入部を収納可能な収納部と、
前記収納部を内視鏡の鉗子口に取付可能な接続部とを備えていることを特徴とする内視鏡用処置具。
A treatment instrument insertion portion having flexibility;
A storage section capable of storing the treatment instrument insertion section;
An endoscope treatment instrument comprising: a connecting portion capable of attaching the storage portion to a forceps opening of an endoscope.
前記接続部が、前記鉗子口と回動可能に固定できる取付機構を備えていることを特徴とする請求項1に記載の内視鏡用処置具。   The endoscopic treatment instrument according to claim 1, wherein the connection portion includes an attachment mechanism that can be rotatably fixed to the forceps opening. 前記収納部が、前記処置具挿入部を巻き取る巻取り部材と、
該巻取り部材を手動で回動させる回動操作部とを備えていることを特徴とする請求項1又は2に記載の内視鏡用処置具。
A winding member that winds up the treatment instrument insertion portion;
The endoscope treatment tool according to claim 1, further comprising a rotation operation unit that manually rotates the winding member.
前記収納部から前記処置具挿入部を挿抜する挿抜手段を備えていることを特徴とする請求項1から3の何れか一つに記載の内視鏡用処置具。   The endoscope treatment tool according to any one of claims 1 to 3, further comprising insertion / extraction means for inserting / removing the treatment instrument insertion portion from the storage portion. 前記巻取り部材と前記挿抜手段とを連動して操作可能な伝達機構を備えていることを特徴とする請求項4に記載の内視鏡用処置具。   The endoscope treatment tool according to claim 4, further comprising a transmission mechanism capable of operating the winding member and the insertion / extraction means in conjunction with each other. 処置を行う処置ユニットが前記処置具挿入部の先端側に着脱可能に接続されていることを特徴とする請求項1から5の何れか一つに記載の内視鏡用処置具。   The treatment instrument for an endoscope according to any one of claims 1 to 5, wherein a treatment unit for performing treatment is detachably connected to a distal end side of the treatment instrument insertion portion. 前記巻取り部材及び前記挿抜手段の少なくとも一方を駆動する駆動部を備えていることを特徴とする請求項4から6の何れか一つに記載の内視鏡用処置具。   The endoscopic treatment instrument according to any one of claims 4 to 6, further comprising a drive unit that drives at least one of the winding member and the insertion / extraction means. 請求項1から7の何れか一つに記載の内視鏡用処置具と、
前記接続部と接続可能な鉗子口を有する内視鏡とを備えていることを特徴とする内視鏡処置システム。

The endoscope treatment tool according to any one of claims 1 to 7,
An endoscope treatment system comprising: an endoscope having a forceps port connectable to the connection portion.

JP2004032061A 2004-02-09 2004-02-09 Treating implement for endoscope and endoscope treatment system Withdrawn JP2005218755A (en)

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US20220079420A1 (en) * 2014-12-15 2022-03-17 GYRUS ACMI, INC., d/b/a Olympus Surgical Technologies America Control of a basket retrieval device
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