JP2011182986A - Insertion assist tool for organ fixation device - Google Patents

Insertion assist tool for organ fixation device Download PDF

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JP2011182986A
JP2011182986A JP2010052102A JP2010052102A JP2011182986A JP 2011182986 A JP2011182986 A JP 2011182986A JP 2010052102 A JP2010052102 A JP 2010052102A JP 2010052102 A JP2010052102 A JP 2010052102A JP 2011182986 A JP2011182986 A JP 2011182986A
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position
puncture needle
organ
member
engagement
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Norihisa Kamigatakuchi
Masato Nagata
Masaki Nakamura
典久 上潟口
雅樹 中村
眞人 永田
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Eishinkai Nagata Geka Naika Iin
Top Corp
医療法人永眞会永田外科内科医院
株式会社トップ
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Abstract

PROBLEM TO BE SOLVED: To provide an insertion assist tool for an organ fixation device which enables an operation to be performed in an effective and safe manner by preventing an error in puncturing.
SOLUTION: An insertion assist tool 1 for an organ fixation device includes a puncture needle 2, a cylinder 3 anchored in a position posterior to the puncture needle 2; and an extrusion member 4 which can be connected to the puncture needle 2 and the cylinder 3. Before use, the extrusion member 4 is held in a position anterior to the puncture needle 2 by a body anchor 51 set in the body, and after use, the extrusion member 4 is held in a protruding way in a position anterior to the needle tip 21 of the puncture needle 2.
COPYRIGHT: (C)2011,JPO&INPIT

Description

本発明は、患者の胃等の臓器内壁を皮膚側壁に固定する臓器固定具を、体内へ挿入する際に用いられる臓器固定具用挿入補助具に関する。 The present invention is an organ-fixing instrument to fix the organ inner wall of the stomach or the like of the patient on the skin side wall, about the organ-fixing instrument for insertion aid to be used for insertion into the body.

従来、食物を経口摂取できない患者のために、体外から胃内に貫通する孔(瘻孔)を患者に穿設し、瘻孔を介して胃内に胃瘻チューブを挿入し、胃瘻チューブを介して直接胃に栄養物を供給することが行われている。 Conventionally, for patients food that can not be taken orally, hole penetrating from outside into the stomach (fistulas) drilled in a patient, inserting the gastrostomy tube into the stomach through a fistula, through the gastrostomy tube supplying the nutrients have been made directly in the stomach.

一般的に、体外から瘻孔を形成する際には、予め、患者の胃壁と皮膚側壁とを臓器固定具で固定する。 In general, when forming a fistula from outside in advance, fixing the stomach wall and the skin side wall of a patient with organ-fixing instrument. 臓器固定具は、胃内に投入される棒状の体内係止部と、体内係止部の中央に連結され胃壁と皮膚側壁とを貫通する縫合糸と、縫合糸の後端に結合され体外から縫合糸を所定の長さで固定する固定部材とを有するものが知られている(例えば、特許文献1参照)。 Organ-fixing instrument includes a body engaging portion of the rod-shaped to be introduced into the stomach, the suture through the stomach wall and the skin side wall is connected to the center of the body engagement portion, from being coupled to the rear end of the suture outside the body a suture having a fixing member for fixing a predetermined length is known (e.g., see Patent Document 1).

臓器固定具は、挿入補助具を用いることによって患者に装着される。 Organ-fixing instrument is attached to the patient by using the insertion assisting tool. 挿入補助具は、臓器固定具の体内係止部を先端内側に収納可能な中空の穿刺針と、体内係止部を穿刺針から押し出し可能な押出部材とを有するものが特許文献1に開示されている。 Insertion aid includes a puncture needle of a hollow capable of accommodating a body engaging portion on the tip inside the organ-fixing instrument, those having a pushing member capable of extrusion in the body engaging portion from the puncture needle is disclosed in Patent Document 1 ing.

挿入補助具の具体的な使用方法は、まず、術者は、穿刺針に押出部材がセットされた状態で、穿刺針の先端内側に臓器固定具の体内係止部を収納し、その状態で、穿刺針を患者の体外から穿刺し、患者の胃壁と皮膚側壁とを貫通させる。 Specific use of the insertion assisting tool, first, the operator, in a state where the extrusion member is set in the puncture needle, and houses the internal locking portion of the organ-fixing instrument to the distal end inside of the puncture needle, and in this state the puncture needle punctures from outside the patient's body, to penetrate the stomach wall and the skin side wall of the patient. 次に、押出部材を穿刺針の後方から前方へ移動させ、穿刺針の針先から体内係止部を押し出すことにより、体内係止部を胃内に投入する。 Then, the pusher member is moved from the rear of the puncture needle forward, by extruding a body engaging portion from the needle tip of the puncture needle, the body engagement portion put into the stomach. さらに、臓器固定具の縫合糸を体外から引っ張ることで、体内係止部が胃壁を皮膚側壁に引き寄せられ、この状態で縫合糸を固定部材で固定する。 Further, by pulling the suture organ-fixing instrument from outside the body, the body engaging portion is attracted to the stomach wall to the skin side wall, to secure the suture in a fixed member in this state.

特開平4−226676号公報 JP-4-226676 discloses

しかしながら、従来の臓器固定具用挿入補助具では、穿刺針に対して押出部材が常に移動可能な状態であるため、術者による意図しない押出部材の前方又は後方移動が生じるおそれがある。 However, in the conventional organ-fixing instrument for insertion aid, since the extrusion member against the puncture needle is always movably, there is a possibility that forward or backward movement caused unintentionally pushing member by the operator. これにより、穿刺針の針先から体内係止部が誤って押し出されたり、穿刺針の後端から押出部材が誤って抜けてしまうことがあり、操作性が悪いものであった。 Accordingly, or extruded incorrectly inside locking portion from the needle tip of the puncture needle, it may fall out accidentally pushing member from the rear end of the puncture needle was achieved, poor operability. また、使用後に穿刺針の針先が露出して誤刺が発生するおそれがあり、安全性に問題があった。 Further, there is a possibility that Ayamatoge to expose the needle tip of the puncture needle after use may occur, there is a problem in safety.

本発明は、上記の不都合を解消して、操作性及び安全性を向上させることができる臓器固定具用挿入補助具を提供することを目的とする。 The present invention is to solve the above disadvantages, and an object thereof is to provide operability and safety can be improved organ-fixing instrument for insertion aid.

上記課題を解決するため、本発明の臓器固定具用挿入補助具は、棒状の体内係止部と、前記体内係止部の中央に連結された縫合糸とからなる臓器固定具を体内へ挿入するために使用する臓器固定具用挿入補助具であって、患者に穿刺する方向を前方、患者から離れる方向を後方としたときに、前記体内係止部が前方位置に収納された状態で患者の体内へ穿刺可能であり、内部に軸方向に連通する第1通路を有する穿刺針と、前記穿刺針の後方位置に固定され、内部に軸方向に前記第1通路と連通する第2通路を有するシリンダと、前記第1通路及び前記第2通路に挿通され、前記穿刺針に収納された体内係止部を押し出し可能な押出部材とを備えるものにおいて、前記押出部材は、前記体内係止部を前記穿刺針の前方位置に収納可能な第1位 To solve the above problems, organ-fixing instrument for insertion aid of the present invention, insertion and body engaging portion of the rod-shaped, the organ-fixing instrument comprising a suture coupled to the center of the inside locking portion into the body patients a organ-fixing instrument for insertion aid used to, the direction of piercing the patient forward, when the direction away from the patient and a rear, in a state in which the inside locking unit is accommodated in a forward position of a pierceable into the body, a puncture needle having a first passage communicating with the axial direction therein, fixed to said rear position of the puncture needle, the second passage communicating with the first passage therein in the axial direction a cylinder having, is inserted into the first passage and the second passage, in that and a pushing member capable of extrusion in the body engagement portion which is housed in the puncture needle, the extrusion member, the inside engagement portion # 1 capable of housing a forward position of the biopsy needle と、前記体内係止部を前記穿刺針から体内へ押し出すとともに、前端部が前記穿刺針の前端部よりも前方へ突出する第2位置とで係止され、外部操作により前記第1位置から第2位置へ移動可能に設けられていることを特徴とする。 When, with the inside locking unit pushes into the body from the puncture needle is locked in a second position where the front end projects forward from the front end of the puncture needle, the from the first position by an external operation and it is provided to be movable in the 2 position.

本発明によれば、穿刺針の前方位置に体内係止部を収納する空間を保持した状態で、押出部材が係止されるので、意図しない押出部材の前方移動が防止される。 According to the present invention, while maintaining a space for accommodating the body engagement portion in the forward position of the puncture needle, the pusher member is engaged, the forward movement of unintentional pushing member is prevented. また、使用後は、押出部材の前端部を穿刺針の針先よりも前方へ突出させた状態で、押出部材が係止されるので、医療従事者や廃棄を行う作業者に誤って針が刺さる誤刺を防止することができる。 Furthermore, after use, in a state in which the front end was than needle tip of the puncture needle is projected forward of the extrusion member, since the extrusion member is engaged, the needle is accidentally worker performing a medical practitioner or disposal the Ayamatoge the stick can be prevented.

また、本発明において、前記押出部材には、外周面から突出する方向に突没自在に付勢された係合爪が設けられ、前記シリンダの周壁部には、前記係合爪に係合して前記押圧部材を前記第1位置に係止する第1係合穴と、前記第2位置に係止する第2係合穴が設けられ、前記第1係合穴は、前記押出部材の後方移動を規制するとともに、前記押出部材の前方移動を、前記押出部材の前方へ加わる力が所定値未満であれば規制し、所定値以上であれば許容するように前記係合爪と係合され、前記第2係合穴は、少なくとも前記押出部材の後方移動を規制するように係合爪と係合されていることが好ましい。 Further, in the present invention, wherein the extrusion member, protruding and retracting freely biased engaging claw is provided in a protruding direction from the outer peripheral surface, the peripheral wall of the cylinder, engages with the engagement pawl wherein a first engaging hole for locking the pressing member to the first position, the second engagement hole is provided for locking the second position Te, the first engagement hole is behind the pushing member thereby regulating the movement, the forward movement of the pushing member, the force applied to the front of the extrusion member is restricted is less than the predetermined value, engaged the engagement claws and engagement to allow equal to or greater than a predetermined value the second engaging hole are preferably engaged engagement claws and engagement so as to restrict the rearward movement of at least the extruded member.

これによれば、押出部材は、第1位置において後方への移動が規制されるので、穿刺針の後方から押出部材が誤って抜けることはない。 According to this, the pusher member, since rearward movement is restricted at the first position, does not come off accidentally pushing member from the rear of the puncture needle. また、押出部材は、押出部材に所定値以上の力が加わるまで、第1位置において前方への移動が規制されるので、意図しない押出部材の前方移動が防止される共に、押出部材を第1位置から第2位置へ移動させる際には、所定値以上の力を加えるだけで、第1位置における前方への移動規制を解除できる。 The extrusion member, to a predetermined value or more force is applied to the pushing member, the moving forward is regulated in a first position, both the forward movement of unintentional pushing member is prevented, the pusher member first when moving from the position to the second position, simply by adding a predetermined value or more force, it can be released movement regulation forward in the first position. さらに、押出部材は、第2位置において後方への移動が規制されるので、誤って穿刺針の針先が露出することはない。 Furthermore, the pushing member, since rearward movement is restricted at the second position, wrong needle tip of the puncture needle is not exposed.

また、本発明において、前記シリンダには、外周面を周回するように溝が形成され、前記溝には、輪状に形成された弾性部材が嵌合され、前記体内係止部が前記穿刺針の前方位置に収納された状態で、前記穿刺針の前端部から引き出された前記縫合糸が、前記溝と前記弾性部材との間に挟まれて留められていることが好ましい。 Further, in the present invention, the cylinder is formed with a groove so as to surround the outer peripheral surface, the groove is fitted an elastic member formed in annular, the body engaging portions of the biopsy needle in a state of being accommodated in the forward position, the suture is pulled out from the front end of the puncture needle, it is preferable that fastened sandwiched between the elastic member and the groove.

これによれば、体内係止部を刺針の前方位置に収納した状態で縫合糸を留めて置くことができる。 According to this, it is keeping such suture while accommodating the body engaging portion on front of the puncture needle. 即ち、本発明に臓器固定具をセットした状態を長期間維持できるので、臓器固定具をセットした状態で保管することが可能となり、また、臓器固定具をセットした状態で販売に供することも可能となる。 That is, since the state of setting the organ-fixing instrument to the present invention a long period of time can be maintained, it is possible to store at setting the organ-fixing instrument, also it can be subjected to sale at setting the organ-fixing instrument to become.

本実施形態の臓器固定具用挿入補助具を示す正面図。 Front view of the organ-fixing instrument for insertion aid according to this embodiment. 図1のII−II線で切断した断面図。 Cross-sectional view taken along a line II-II of Figure 1. 臓器固定具用挿入補助具に臓器固定具を取り付けた状態を示す説明図。 Explanatory view showing a state of attaching the organ-fixing instrument to organ-fixing instrument for insertion aid. 本実施形態の使用方法を示す説明図。 Explanatory view showing the use of the present embodiment.

次に、本発明の実施形態について図面を参照して詳しく説明する。 Next, embodiments will be described in detail with reference to the accompanying drawings of the present invention. まずは、図1、図2を参照して、本実施形態の臓器固定具用挿入補助具1の構成について説明する。 First, with reference to FIGS. 1 and 2, the configuration of the organ-fixing instrument for insertion aid 1 of the present embodiment.

本実施形態の臓器固定具用挿入補助具1は、穿刺針2と、穿刺針2の後方位置に固定されたシリンダ3と、穿刺針2とシリンダ3に挿通可能な押出部材4とからなる。 Organ-fixing instrument for insertion aid 1 of the present embodiment is composed of the puncture needle 2, a cylinder 3 fixed to the rear position of the puncture needle 2, the puncture needle 2 and can be inserted pushing member 4 which in the cylinder 3.

穿刺針2は、ステンレス製の円筒からなる注射針であって、穿刺針2の内部は、押出部材4が軸方向に挿通自在な内部通路22となっている。 The puncture needle 2 is a needle made of stainless steel cylinder, the interior of the puncture needle 2, the extrusion member 4 is in the inserted freely inside passage 22 in the axial direction. 穿刺針2の針先21には、針先21から後方に向かってスリット23が形成され、スリット23付近の内部通路22は、後述の体内係止部51が収納される収納部24となっている。 The needlepoint 21 of the puncture needle 2, a slit 23 is formed from a needle tip 21 toward the rear, internal passage 22 in the vicinity of the slit 23 is a housing portion 24 inside the locking portion 51 to be described later are accommodated there. また、穿刺針2の後方位置には、内部通路22と連通するようにシリンダ3が固定されている。 Further, in the rear position of the puncture needle 2, the cylinder 3 so as to communicate with the interior passageway 22 is fixed.

シリンダ3は、合成樹脂製の円筒であって、シリンダ3の内部は、押出部材4が軸方向に挿通自在な内部通路31となっている。 Cylinder 3 is a cylindrical synthetic resin, the interior of the cylinder 3, the pushing member 4 is in the internal passage 31 freely inserted in the axial direction. 内部通路31の径は、押出部材4の外径よりもやや大きくなっている。 Diameter of the inner passage 31 is slightly larger than the outer diameter of the extrusion member 4. また、シリンダ3の周壁部には、軸方向に所定の間隔をおいて貫通する係合穴32、33が設けられている。 Further, the peripheral wall of the cylinder 3, engagement holes 32, 33 penetrating at predetermined intervals in the axial direction is provided. さらに、シリンダ3の中心軸を境に左右両対称に指掛部34, 34が設けられている。 Furthermore, finger rest 34, 34 are provided on both left and right symmetrically to the boundary center axis of the cylinder 3.

押出部材4は、穿刺針2の内部通路22に挿通自在なロッド41と、ロッド41の後方位置に固定されたプランジャ42とを備えている。 Pushing member 4 is provided with a through freely rod 41 within passageway 22 of the puncture needle 2, and a plunger 42 fixed to the rear position of the rod 41.
ロッド41は、ステンレス製の芯棒である。 Rod 41 is a stainless steel core rod. ロッド41の前端部411は、術者等の皮膚に誤って刺さらないように丸く面取りされている。 Front end 411 of the rod 41 is rounded so as not sasara accidental skin of the operator or the like.

プランジャ42は、合成樹脂製の芯棒であって、後端部には正面視でT字状に形成されたレバー421を備えている。 The plunger 42 is a core rod made of synthetic resin, a rear end and a lever 421 which is formed in a T-shape in front view. また、プランジャ42の本体422の外周面には、コ字状に切り欠かれた凹部423を有し、この凹部423の下部424には、係合爪425が斜め上方に突出するように接続されている。 Further, the outer peripheral surface of the main body 422 of the plunger 42 has a recess 423 that is cut out in a U-shape, the lower portion 424 of the recess 423, is connected to the engaging claw 425 protrudes obliquely upward ing. この係合爪425の先端部426は、係合爪425の板バネ作用によって本体422の外周面から突出する方向に付勢されている。 Tip 426 of the engaging pawl 425 is biased in a direction to protrude from the outer peripheral surface of the main body 422 by a plate spring action of the engaging claw 425.

次に、本実施形態の臓器固定具5の構成について説明する。 Next, the configuration of the organ-fixing instrument 5 of the present embodiment. 図3、図4に示すように、臓器固定具5は、棒状の体内係止部51と、体内係止部51の中央に連結された縫合糸52と、板状の固定部材53とを備えている。 As shown in FIGS. 3 and 4, organ-fixing instrument 5 is provided with a rod-shaped body engaging portion 51, a suture 52 connected to the central body engaging portion 51, and a plate-shaped fixed member 53 ing. この固定部材53の中心には、縫合糸52を通す糸通孔54が設けられ、縫合糸52の後端は、固定部材53の裏から糸通孔54へ挿通されている。 At the center of the fixing member 53 is provided with thread holes 54 for passing the suture 52, the rear end of the suture 52 is inserted into the yarn passage hole 54 from the back of the fixing member 53.

次に、図3、図4を参照して、本実施形態の臓器固定具用挿入補助具1の使用方法について説明する。 Next, with reference to FIGS. 3 and 4, it will be described using the organ-fixing instrument for insertion aid 1 of the present embodiment.

まず、図3に示すように、体内係止部51を穿刺針2の針先21から収納部24に挿入し、体内係止部51に連結された縫合糸52を穿刺針2のスリット23から引き出し、引き出された縫合糸52を、シリコーンバンド6でシリンダ3の外周面に留めて置く。 First, as shown in FIG. 3, to insert the body engaging portion 51 from the needlepoint 21 of the puncture needle 2 to the storage unit 24, the suture 52 coupled to the body engaging portion 51 from the puncture needle 2 of the slit 23 drawer, the suture 52 drawn, placed to bear on the outer peripheral surface of the cylinder 3 in the silicone band 6.

このとき、係合爪425の先端部426が後端側係合穴32に係合され、ロッド41の前端部411は、体内係止部51の収納スペース(穿刺針2の収納部24)に突入しない位置で係止されている。 At this time, the tip portion 426 of the engaging pawl 425 is engaged with the rear end side engaging hole 32, the front end 411 of the rod 41, the storage space inside the locking portion 51 (accommodation portion 24 of the puncture needle 2) It is engaged in not rush position. これにより、意図しない押出部材4の前方移動によって、体内係止部51が穿刺針2の針先21から飛び出すことはない。 Thus, the forward movement of unintentional pushing member 4, the body engagement portion 51 does not jump out of the needle tip 21 of the puncture needle 2.

また、この位置では、係合爪425の先端部426が後端側係合孔32の上部321に当接され、押出部材4の後方移動が規制されているので、仮に、術者がレバー421を後方へ引っ張った場合であっても、押出部材4がシリンダ3の後端部から抜けることはない。 Also, in this position, the distal end portion 426 of the engaging pawl 425 is brought into contact with the upper portion 321 of the rear end engagement hole 32, the rearward movement of the pushing member 4 is restricted, if, surgeon lever 421 even when pulled backward, pushing member 4 is not come off from the rear end of the cylinder 3.

次に、図4(a)に示すように、臓器固定具5が取り付けられた穿刺針2を、患者の体外から皮膚側壁7及び胃壁8を貫通するまで穿刺し、胃内に穿刺針2の針先21を露出させる。 Next, as shown in FIG. 4 (a), the puncture needle 2 the organ-fixing instrument 5 mounted, puncture from outside the patient's body until penetrating the skin side wall 7 and the stomach wall 8, the puncture needle 2 into the stomach to expose the needle tip 21. このとき、針先21が胃内に露出されたか否かは、例えば、患者の口から挿入された内視鏡等により確認する。 At this time, whether or not the needle point 21 is exposed in the stomach, for example, it is confirmed by an endoscope inserted from the patient's mouth.

次に、レバー421を所定値以上の力で前方へ押し込むと、係合爪425の傾斜面427は、後端側係合孔32の下部322に当接され、係合爪425の付勢力に抗して径方向内方に押し下げられる。 Next, when pushing the lever 421 forward at a predetermined value or more force, the inclined surface 427 of the engaging claw 425 abuts against the bottom 322 of the rear-side engagement hole 32, the biasing force of the engaging claw 425 anti was depressed radially inward. これにより、係合爪425の先端部426は、後端側係合孔32の上部321から外れてシリンダ3の内部通路31へと移動し、シリンダ3と押出部材4との係止状態が解除され、押出部材4は前方移動が可能となる。 Thus, the distal end portion 426 of the engaging pawl 425 moves into the interior passageway 31 of the cylinder 3 out from the top 321 of the rear end engagement hole 32, the locking state is released between the cylinder 3 and the pushing member 4 is, the pushing member 4 is allowed forward movement.

さらにレバー421を前方へ押し込むと、図4(b)に示すように、ロッド41の前端部411は、穿刺針2の針先21よりも前方へ突出され、体内係止部51は、穿刺針2の針先21から押し出されて患者の胃内に投入される。 Further pushing the lever 421 forward, as shown in FIG. 4 (b), the front end 411 of the rod 41 is projected forward from the needle tip 21 of the puncture needle 2, inside the locking portion 51, the puncture needle extruded from the second needle point 21 is introduced into the stomach of a patient.

このとき、前端側係合穴33が係合爪425の先端部426に係合され、ロッド41の前端部411は、穿刺針2の針先21よりも前方へ突出した位置で係止されている。 At this time, the front end side engaging hole 33 is engaged with the distal end portion 426 of the engaging pawl 425, the front end 411 of the rod 41 is locked in position protruding forward from the needle tip 21 of the puncture needle 2 there. さらに、この位置では、係合爪425の先端部426が前端側係合孔33の上部331に当接され、押出部材4の後方移動が規制されているので、ロッド41の前端部411が穿刺針2の針先21よりも後方へ移動し、誤って針先21が露出される心配がない。 Furthermore, in this position, the distal end portion 426 of the engaging pawl 425 is brought into contact with the upper portion 331 of the front-side engagement hole 33, the rearward movement of the pushing member 4 is restricted, the front end 411 of the rod 41 is punctured moves backward than the needle tip 21 of the needle 2, there is no fear to be exposed needle tip 21 by mistake. これにより、医療従事者や廃棄を行う作業者に誤って穿刺針2の針先21が刺さる誤刺を防止することができる。 Thus, it is possible to prevent the Ayamatoge needle tip 21 of the puncture needle 2 is stuck by mistake the operator to perform the medical personnel and discarded.

また、この位置では、シリンダ3の底部34がプランジャ42の前端部428に当接され、押出部材4の前方移動が規制されているので、ロッド41の前端部411が突出しすぎることはない。 Also, in this position, the bottom 34 of the cylinder 3 is brought into contact with the front end portion 428 of the plunger 42, the forward movement of the pushing member 4 is regulated, is not the front end portion 411 of the rod 41 is excessively protrude.

次に、縫合糸52をシリコーンバンド6から取り外し、患者から臓器固定具用挿入補助具1を離脱させる。 Next, remove the suture 52 from the silicone band 6, disengaging the organ-fixing instrument for insertion aid 1 from the patient. そして、縫合糸52を体外から引っ張ることで、体内係止部51が胃壁7を皮膚側壁8に引き寄せ、図4(c)に示すように、縫合糸52を固定部材53で係止し胃壁7を皮膚側壁8に固定する。 Then, the suture 52 by pulling from the outside, drawn inside the locking portion 51 to the stomach wall 7 to the skin side wall 8, as shown in FIG. 4 (c), lock the suture 52 by a fixing member 53 stomach wall 7 It is fixed to the skin side wall 8.

以上、本発明の実施形態について図面を参照して説明したが、本発明はこれに限定されない。 While there has been described with reference to the accompanying drawings, embodiments of the present invention, the present invention is not limited thereto. 例えば、上記実施形態では、縫合糸52をシリンジ3に留めて置くためにシリコーンバンド6を用いたが、サージカルテープなどの粘着テープを用いてもよい。 For example, in the above embodiment, the suture 52 using a silicone band 6 to put bear in a syringe 3 may be used an adhesive tape, such as surgical tape. また、上記実施形態では、係合穴32、33は、シリンダ3の周壁部を貫通する貫通孔であるが、貫通孔でなくてもよい。 In the above embodiment, the engaging holes 32 and 33 is a through hole penetrating the peripheral wall of the cylinder 3 may not be through holes. 具体的には、係合穴32、33は、シリンジ3の内周面を切り欠いた凹部であってもよい。 Specifically, the engagement holes 32 and 33 may be a recess formed by cutting the inner peripheral surface of the syringe 3. これによれば、手動でシリンジ3の外周面から係合爪425を操作して、シリンジ3と押出部材4との係止状態を解除することが不可能なので、本発明の再使用を避けることができる。 According to this, manually by operating the engaging pawl 425 from the outer peripheral surface of the syringe 3, since it is not possible to release the locking state of the syringe 3 and the pushing member 4, to avoid re-use of the present invention can.

1…臓器固定具用挿入補助具、 2…穿刺針、 3…シリンダ、 32…後端側係合孔、 33…前端側係合孔、 4…押出部材、 41…ロッド、 42…プランジャ、 5…臓器固定具、 425…係合爪。 1 ... organ-fixing instrument for insertion aid, 2 ... puncture needle, 3 ... cylinder, 32 ... rear end engagement hole, 33 ... front end engagement hole, 4 ... pushing member, 41 ... rod, 42 ... plunger, 5 ... organ fixture, 425 ... engagement claws.

Claims (3)

  1. 棒状の体内係止部と、前記体内係止部の中央に連結された縫合糸とからなる臓器固定具を体内へ挿入するために使用する臓器固定具用挿入補助具であって、 A body engagement portion of the rod-shaped, the organ-fixing instrument of linked suture a organ-fixing instrument for insertion aid to be used for insertion into the body at the center of the body engaging portion,
    患者に穿刺する方向を前方、患者から離れる方向を後方としたときに、 When a direction away direction of piercing the patient forward from the patient and the rear,
    前記体内係止部が前方位置に収納された状態で患者の体内へ穿刺可能であり、内部に軸方向に連通する第1通路を有する穿刺針と、前記穿刺針の後方位置に固定され、内部に軸方向に前記第1通路と連通する第2通路を有するシリンダと、前記第1通路及び前記第2通路に挿通され、前記穿刺針に収納された体内係止部を押し出し可能な押出部材とを備えるものにおいて、 The inside locking unit are possible puncture into the patient in a state of being accommodated in the forward position, and a puncture needle having a first passage communicating with the axial direction therein, it is fixed to the rear position of the puncture needle, the internal a cylinder having a second passage communicating with the first passage in the axial direction, the said first passage and is inserted into the second passage, the pusher member can be extrusion-vivo locking portion housed in the puncture needle in those comprising,
    前記押出部材は、前記体内係止部を前記穿刺針の前方位置に収納可能な第1位置と、前記体内係止部を前記穿刺針から体内へ押し出すとともに、前端部が前記穿刺針の前端部よりも前方へ突出する第2位置とで係止され、 The extrusion member includes a first position capable of accommodating the internal locking portion in the forward position of the biopsy needle, together with the push of the body engagement portion into the body from the puncture needle, the front end portion of the front end portion and the puncture needle locked in a second position projecting forward from,
    外部操作により前記第1位置から前記第2位置へ移動可能に設けられていることを特徴とする臓器固定具用挿入補助具。 Organ-fixing instrument for insertion aid, characterized in that it is movable to said second position from said first position by an external operation.
  2. 前記押出部材には、外周面から突出する方向に突没自在に付勢された係合爪が設けられ、前記シリンダの周壁部には、前記係合爪に係合して前記押圧部材を前記第1位置に係止する第1係合穴と、前記第2位置に係止する第2係合穴が設けられ、 Wherein the extrusion member, protruding and retracting freely biased engaging claw is provided in a protruding direction from the outer peripheral surface, the peripheral wall of the cylinder, the said pressing member engaged with the engagement pawl a first engaging hole for engaging the first position, the second engagement hole is provided for locking the second position,
    前記第1係合穴は、前記押出部材の後方移動を規制するとともに、前記押出部材の前方移動を、前記押出部材の前方へ加わる力が所定値未満であれば規制し、所定値以上であれば許容するように前記係合爪と係合され、 The first engaging hole, as well as regulates the backward movement of the pusher member, the forward movement of the pushing member, the force applied to the front of the extrusion member is restricted is less than the predetermined value, there above a predetermined value It engaged the engagement claws and engagement to place acceptable,
    前記第2係合穴は、少なくとも前記押出部材の後方移動を規制するように係合爪と係合されていることを特徴とする請求項1記載の臓器固定具用挿入補助具。 Said second engaging hole is at least the extrusion organ-fixing instrument for insertion aid according to claim 1, characterized in that it is engaged engagement claws and engagement so as to restrict the rearward movement of the member.
  3. 前記シリンダには、外周面を周回するように溝が形成され、前記溝には、輪状に形成された弾性部材が嵌合され、 Wherein the cylinder is formed with a groove so as to surround the outer peripheral surface, the groove is fitted an elastic member formed in a ring,
    前記体内係止部が前記穿刺針の前方位置に収納された状態で、前記穿刺針の前端部から引き出された前記縫合糸が、前記溝と前記弾性部材との間に挟まれて留められていることを特徴とする請求項1又は2に記載の臓器固定具用挿入補助具。 In a state in which the inside locking unit is accommodated in a forward position of the biopsy needle, the suture is pulled out from the front end of the puncture needle, and sandwiched fastened between the resilient member and the groove organ-fixing instrument for insertion aid according to claim 1 or 2, characterized in that there.
JP2010052102A 2010-03-09 2010-03-09 Insertion assist tool for organ fixation device Pending JP2011182986A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013144012A (en) * 2012-01-13 2013-07-25 Fujifilm Corp Tissue collecting apparatus
WO2014129554A1 (en) * 2013-02-22 2014-08-28 住友ベークライト株式会社 Repeating-type organ-fastening tool
JP2015142618A (en) * 2014-01-31 2015-08-06 住友ベークライト株式会社 Organ fixing device
JP2015142617A (en) * 2014-01-31 2015-08-06 住友ベークライト株式会社 Repeating type organ fixing device
JP2015142620A (en) * 2014-01-31 2015-08-06 住友ベークライト株式会社 Organ fixing device
JP2016187536A (en) * 2015-03-30 2016-11-04 住友ベークライト株式会社 Fixture

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JP2002504002A (en) * 1997-06-16 2002-02-05 ソプレーン・エス・ア Applicator for positioning a surgical needle
JP2006296914A (en) * 2005-04-25 2006-11-02 Nippon Sherwood Medical Industries Ltd Internal organ-fixing set
JP2008148933A (en) * 2006-12-18 2008-07-03 Yoshikawa Kasei Kk Placement device of internal organ fixing appliance
WO2009027883A2 (en) * 2007-08-31 2009-03-05 Kimberly-Clark Worldwide, Inc. Gastropexy kit

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002504002A (en) * 1997-06-16 2002-02-05 ソプレーン・エス・ア Applicator for positioning a surgical needle
JP2006296914A (en) * 2005-04-25 2006-11-02 Nippon Sherwood Medical Industries Ltd Internal organ-fixing set
JP2008148933A (en) * 2006-12-18 2008-07-03 Yoshikawa Kasei Kk Placement device of internal organ fixing appliance
WO2009027883A2 (en) * 2007-08-31 2009-03-05 Kimberly-Clark Worldwide, Inc. Gastropexy kit

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013144012A (en) * 2012-01-13 2013-07-25 Fujifilm Corp Tissue collecting apparatus
WO2014129554A1 (en) * 2013-02-22 2014-08-28 住友ベークライト株式会社 Repeating-type organ-fastening tool
JP2015142618A (en) * 2014-01-31 2015-08-06 住友ベークライト株式会社 Organ fixing device
JP2015142617A (en) * 2014-01-31 2015-08-06 住友ベークライト株式会社 Repeating type organ fixing device
JP2015142620A (en) * 2014-01-31 2015-08-06 住友ベークライト株式会社 Organ fixing device
JP2016187536A (en) * 2015-03-30 2016-11-04 住友ベークライト株式会社 Fixture

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