JP6858390B2 - Medical stapler - Google Patents

Medical stapler Download PDF

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JP6858390B2
JP6858390B2 JP2016160774A JP2016160774A JP6858390B2 JP 6858390 B2 JP6858390 B2 JP 6858390B2 JP 2016160774 A JP2016160774 A JP 2016160774A JP 2016160774 A JP2016160774 A JP 2016160774A JP 6858390 B2 JP6858390 B2 JP 6858390B2
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staple
main body
locked
recess
parallel
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JP2018027237A5 (en
JP2018027237A (en
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植竹　強
強 植竹
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Keisei Medical Industrial Co Ltd
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Keisei Medical Industrial Co Ltd
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Priority to PCT/JP2017/021064 priority patent/WO2018034043A1/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps

Description

本発明は、医療用ステープラに関するものである。 The present invention relates to a medical stapler.

従来から、外科手術で使用される医療用ステープラとして、特開２０００−２１７８２９に開示されるような医療用ステープラ（以下、従来例）が提案されている。 Conventionally, as a medical stapler used in surgery, a medical stapler (hereinafter referred to as a conventional example) as disclosed in Japanese Patent Application Laid-Open No. 2000-217829 has been proposed.

この従来例は、本体に枢着される握持操作部と、複数のステープルを収納するステープル収納部と、このステープル収納部に収納されたステープルを順次押し出すステープル押出し部と、握持操作部の握持操作により作動し、ステープル押出し部で押し出されたステープルを変形させるステープル変形部を具備するものであり、この押し出されて変形するステープルによって生体組織の縫合が行われる。 In this conventional example, a grip operation unit pivotally attached to the main body, a staple storage unit for storing a plurality of staples, a staple extrusion unit for sequentially pushing out the staples stored in the staple storage unit, and a grip operation unit. It is operated by a gripping operation and includes a staple deforming portion that deforms the staple extruded by the staple extruding portion, and the living tissue is sutured by the extruded and deforming staple.

特開２０００−２１７８２９公報JP-A-2000-217829

ところで、従来例のステープル収納部は、本体の裏面側に設けた凹部に、複数のステープルが傾斜立設状態で整列並設されたステープル並設体を嵌合装着して構成されており、このステープル並設体は、本体の凹部開口縁に溶接される構造（取外し不能構造）であり、製造時にステープルの配設状況が劣悪であると確認された場合、ステープルの配設状態を適正な状態に直したくても直せないという問題点があった。 By the way, the staple storage portion of the conventional example is configured by fitting and mounting a staple juxtaposed body in which a plurality of staples are aligned and juxtaposed in an inclined standing state in a recess provided on the back surface side of the main body. The staple parallel structure has a structure that is welded to the recessed opening edge of the main body (non-removable structure), and if it is confirmed at the time of manufacture that the staple arrangement is poor, the staple arrangement is in an appropriate state. There was a problem that even if I wanted to fix it, I couldn't fix it.

本発明は、前述した問題点を解消するもので、従来にない作用効果を発揮する画期的な医療用ステープラを提供するものである。 The present invention solves the above-mentioned problems and provides an epoch-making medical stapler that exhibits an unprecedented action and effect.

添付図面を参照して本発明の要旨を説明する。 The gist of the present invention will be described with reference to the accompanying drawings.

本体10の裏面側に設けられる本体凹部１に、複数のステープル50を並設したステープル並設体２を着脱自在に嵌合装着して成る医療用ステープラであって、前記ステープル並設体２は、基板２’に前記ステープル50を整列並設させる整列並設部２ａが設けられたもので、前記本体凹部１の左右開口縁には前記ステープル並設体２の左右の基板縁をガイドするガイド部１ｂが設けられ、このガイド部１ｂには鉤状の係止部３が設けられ、前記左右の基板縁には前記係止部３と係止する被係止部２ｂが設けられ、また、前記左右の基板縁には基板縁凹部２ｃが設けられ、この基板縁凹部２ｃは、前記ガイド部１ｂに前記左右の基板縁を配設する際、前記係止部３の通過を許容するものであり、前記基板縁凹部２ｃに前記係止部３を通過させて前記ガイド部１ｂに前記左右の基板縁を配設した状態において、前記ステープル並設体２を前記本体10に対してスライドさせることにより前記被係止部２ｂと前記係止部３とが係止する構造であり、更に、前記被係止部２ｂと前記係止部３との係止により、前記ステープル並設体２が前記本体凹部１の開口部１ａを閉塞した場合において、前記ステープル並設体２に当接して該ステープル並設体２が前記被係止部２ｂと前記係止部３との係止が外れる方向へスライドすることを阻止する戻りスライド阻止部４が前記本体凹部１に設けられており、前記戻りスライド阻止部４は、前記被係止部２ｂと前記係止部３とが係止する際の弾性変形をした後に復帰動して前記ステープル並設体２を押圧するように構成されていることを特徴とする医療用ステープラに係るものである。 A medical stapler formed by detachably fitting and mounting a staple parallel body 2 in which a plurality of staples 50 are arranged side by side in a main body recess 1 provided on the back surface side of the main body 10, and the staple parallel body 2 is , The substrate 2'is provided with an aligned parallel portion 2a for aligning and arranging the staples 50, and a guide for guiding the left and right substrate edges of the staple juxtaposed body 2 at the left and right opening edges of the main body recess 1. A portion 1b is provided, a staple-shaped locking portion 3 is provided on the guide portion 1b, and a locked portion 2b for locking with the locking portion 3 is provided on the left and right substrate edges. the right and left of the board edge board edge recess 2c is provided, the substrate edge recess 2c is when arranging the left and right of the substrate edges to the guide portion 1b, intended to permit passage of the locking portion 3 Yes, the staple juxtaposed body 2 is slid with respect to the main body 10 in a state where the locking portion 3 is passed through the substrate edge recess 2c and the left and right substrate edges are arranged in the guide portion 1b. The structure is such that the locked portion 2b and the locked portion 3 are locked by the staples, and further, by locking the locked portion 2b and the locking portion 3, the staple juxtaposed body 2 is described. When the opening 1a of the recess 1 of the main body is closed, the staple parallel body 2 comes into contact with the staple parallel body 2 and the staple parallel body 2 is in a direction in which the locked portion 2b and the locking portion 3 are unlocked. A return slide blocking portion 4 for preventing the slide is provided in the recess 1 of the main body , and the return slide blocking portion 4 has elasticity when the locked portion 2b and the locking portion 3 are locked. The present invention relates to a medical stapler, which is configured to be deformed and then returned to press the staple parallel body 2.

また、請求項１記載の医療用ステープラにおいて、前記被係止部２ｂと前記係止部３との係止は、前記ステープル並設体２を前記本体10に対して前方へスライドさせることにより係止するものであることを特徴とする医療用ステープラに係るものである。 Further, in the medical stapler according to claim 1, the locking of the locked portion 2b and the locking portion 3 is engaged by sliding the staple parallel body 2 forward with respect to the main body 10. It relates to a medical stapler characterized by being a stapler.

また、請求項１，２いずれか１項に記載の医療用ステープラにおいて、前記戻りスライド阻止部４は、弾性変形した後に復帰動して前記ステープル並設体２の基端部を押圧するように構成されていることを特徴とする医療用ステープラに係るものである。 Further, in the medical stapler according to any one of claims 1 and 2, the return slide blocking portion 4 is elastically deformed and then returned to move to press the base end portion of the staple parallel body 2. It relates to a medical stapler characterized by being configured.

本発明は上述のように構成したから、前述した従来例と異なり、製造時にステープルの配設状況が劣悪であると確認された場合、ステープル並設体を取り外してステープルを適正な状態に直すことができ、しかも、製造コストが安くなるなど、従来にない作用効果を発揮する画期的な医療用ステープラとなる。 Since the present invention is configured as described above, unlike the conventional example described above, when it is confirmed that the staples are poorly arranged at the time of manufacture, the staples are removed and the staples are returned to an appropriate state. It will be an epoch-making medical stapler that exerts unprecedented effects such as low manufacturing cost.

本実施例を示す斜視図である。It is a perspective view which shows this Example. 本実施例の要部を説明する分解斜視図である。It is an exploded perspective view explaining the main part of this Example. 本実施例の要部を説明する断面図である。It is sectional drawing explaining the main part of this Example. 本実施例の要部の動作説明図である。It is operation explanatory drawing of the main part of this Example. 本実施例のステープル並設体２の取り付け説明断面図である。It is the installation explanatory sectional view of the staple parallel body 2 of this Example. 本実施例のステープル並設体２の取り付け説明断面図である。It is the installation explanatory sectional view of the staple parallel body 2 of this Example. 本実施例のステープル並設体２の取り付け説明断面図である。It is the installation explanatory sectional view of the staple parallel body 2 of this Example.

好適と考える本発明の実施形態を、図面に基づいて本発明の作用を示して簡単に説明する。 Embodiments of the present invention which are considered to be suitable will be briefly described by showing the operation of the present invention based on the drawings.

本発明の製造に際して、ステープル並設体２の整列並設部２ａにステープル50を整列並設し、この状態でステープル並設体２を本体10の裏面側に設けられた本体凹部１に嵌合装着し、本体凹部１を閉塞する。 In the manufacture of the present invention, the staples 50 are aligned and juxtaposed in the aligned juxtaposed portion 2a of the staple juxtaposed body 2, and in this state, the staple parallelized body 2 is fitted into the main body recess 1 provided on the back surface side of the main body 10. It is attached and the recess 1 of the main body is closed.

この際、例えばステープル50の配設状況が劣悪であると確認された場合、ステープル並設体２を取り外してステープル50を適正な状態に直すことができる。 At this time, for example, when it is confirmed that the arrangement of the staples 50 is poor, the staples 20 can be removed to restore the staples 50 to an appropriate state.

本発明の具体的な実施例について図面に基づいて説明する。 Specific examples of the present invention will be described with reference to the drawings.

本実施例は、本体10の裏面側に設けられる本体凹部１に、複数のステープル50を並設したステープル並設体２を嵌合装着して成る医療用ステープラＫである。 This embodiment is a medical stapler K formed by fitting and mounting a staple parallel body 2 in which a plurality of staples 50 are arranged side by side in a main body recess 1 provided on the back surface side of the main body 10.

具体的には、この医療用ステープラＫは、図１に図示したように合成樹脂製の本体10に枢着される握持操作部11と、ステープル50を収納するステープル収納部５と、このステープル収納部５に収納されたステープル50を順次押し出すステープル押出し部12と、握持操作部11の握持操作により作動し、ステープル押出し部12で押し出されたステープル50を変形させるステープル変形部13を具備するものであり、この押し出されて変形するステープル50によって生体組織の縫合が行われる。 Specifically, this medical stapler K includes a grip operation unit 11 pivotally attached to a synthetic resin main body 10 as shown in FIG. 1, a staple storage unit 5 for storing staples 50, and the staples. It includes a staple pushing section 12 that sequentially pushes out the staples 50 stored in the storage section 5, and a staple deforming section 13 that operates by the gripping operation of the gripping operation section 11 and deforms the staples 50 pushed out by the staple pushing section 12. The staple 50, which is extruded and deformed, sutures the living tissue.

この本体10に設けられる握持操作部11，ステープル押出し部12及びステープル変形部13はいずれも公知構造であり、図４に図示したように握持操作部11の握持操作により、ステープル押出し部12で押し出されたステープル50をステープル変形部13の受け部13ａで受けつつ左右押圧部13ｂが押圧することでステープルが方形環状となり、この押し出されて変形するステープル50によって生体組織の縫合が行われる。 The gripping operation unit 11, the staple pushing unit 12, and the staple deforming unit 13 provided on the main body 10 all have a known structure, and as shown in FIG. 4, the staple pushing unit is operated by the gripping operation of the gripping operation unit 11. While the staple 50 extruded in 12 is received by the receiving portion 13a of the staple deforming portion 13, the left and right pressing portions 13b press the staple to form a square ring, and the staple 50 extruded and deformed sutures the living tissue. ..

符号14は、ステープル並設体２に設けられた凸条部２ａにスライド自在に設けられ付勢部材15により付勢される押し部材であり、この押し部材14がステープル50を常時押圧するように設けて前記ステープル押出し部12が構成されている。 Reference numeral 14 is a pushing member slidably provided on the ridge portion 2a provided on the staple parallel body 2 and urged by the urging member 15, so that the pushing member 14 constantly presses the staple 50. The staple extruding portion 12 is provided.

ステープル収納部５は、図３に図示したように本体10の下方部位に嵌合連結される樹脂製のケース体９と、このケース体９の下方にして本体１の裏面側に開口する本体凹部１に、複数のステープル50を傾斜立設状態で整列並設させる整列並設部２ａを備えたステープル並設体を嵌合装着して構成されている。 As shown in FIG. 3, the staple storage portion 5 includes a resin case body 9 that is fitted and connected to a lower portion of the main body 10 and a main body recess that opens below the case body 9 on the back surface side of the main body 1. 1 is configured by fitting and mounting a staple parallel body provided with an aligned parallel portion 2a for aligning and arranging a plurality of staples 50 in an inclined vertical state.

このケース体９の上方部位には前述したステープル押出し部12が設けられ、前方部位には前述したステープル変形部13が設けられている。 The staple extruding portion 12 described above is provided in the upper portion of the case body 9, and the staple deforming portion 13 described above is provided in the front portion.

尚、本体凹部１は本体10に一体成形された構造でも良い。 The main body recess 1 may have a structure integrally molded with the main body 10.

また、本体凹部１は、開口部１ａの前後方向左右部位に段状部が設けられ、この各段状部は後述するステープル並設体２をスライド自在に配設し得るガイド部１ｂとして構成されている。 Further, the main body recess 1 is provided with stepped portions at left and right portions in the front-rear direction of the opening 1a, and each stepped portion is configured as a guide portion 1b in which a staple parallel body 2 described later can be slidably arranged. ing.

また、この本体凹部１の開口部１ａの縁部にして左右のガイド部１ｂの前後位置には、鉤状の凸部３が設けられており、この凸部３は、ステープル並設体２を開口部１ａに配してスライドさせた際、ステープル並設体２の被係止部２ｂに係止して該ステープル並設体２を保持する係止部３として構成されている。 Further, hook-shaped convex portions 3 are provided at the front and rear positions of the left and right guide portions 1b as the edges of the opening 1a of the main body concave portion 1, and the convex portions 3 form the staple parallel arrangement body 2. When arranged in the opening 1a and slid, it is configured as a locking portion 3 that locks on the locked portion 2b of the staple parallel body 2 and holds the staple parallel body 2.

また、この本体凹部１の開口部１ａの縁部にして後端部には、被係止部２ｂに係止部３を係止させた際、ステープル並設体２の後端部に当接して戻り方向へのスライドを阻止する戻りスライド阻止部４が設けられている。 Further, when the locking portion 3 is locked to the locked portion 2b, the rear end portion of the opening 1a of the main body recess 1 is brought into contact with the rear end portion of the staple parallel assembly 2. A return slide blocking portion 4 is provided to prevent sliding in the return direction.

この戻りスライド阻止部４は、図３に図示したように適宜な合成樹脂製の部材で形成された弾性突片であり、ステープル並設体２を開口部１ａに配して前方へスライドさせた際、弾性変形した後に復帰動してステープル並設体２の後端部に当接するように構成されている。 As shown in FIG. 3, the return slide blocking portion 4 is an elastic protrusion formed of an appropriate synthetic resin member, and the staple parallel body 2 is arranged in the opening 1a and slid forward. At that time, it is configured to return to abut with the rear end portion of the staple parallel body 2 after being elastically deformed.

従って、本体凹部１にはステープル並設体２が着脱自在に設けられている。 Therefore, the staple main body 2 is detachably provided in the main body recess 1.

ステープル並設体２は、図１〜３に図示したように適宜な金属製の部材で形成された基板２’で構成され、その長さ方向左右位置に二本の凸条部２ａが折曲して設けられ、この各凸条部２ａは、ステープル50を傾斜立設状態で整列並設する整列並設部２ａとして構成されている。 As shown in FIGS. 1 to 3, the staple parallel body 2 is composed of a substrate 2'formed of an appropriate metal member, and two ridges 2a are bent at left and right positions in the length direction. Each of the convex strips 2a is configured as an aligned parallel portion 2a in which the staples 50 are aligned and juxtaposed in an inclined upright state.

また、ステープル並設体２の左右側縁部（基板縁）は、前述した開口部１ａのガイド部１ｂに重合状態となってスライドするように構成されており、この左右側縁部の前後位置には基板縁凹部２ｃが切り欠き状に設けられている。 Further, the left and right side edge portions (board edge) of the staple parallel structure 2 are configured to slide in a superposed state on the guide portion 1b of the opening 1a described above, and the front and rear positions of the left and right side edge portions. Is provided with a substrate edge recess 2c in a notched shape.

この基板縁凹部２ｃは、開口部１ａのガイド部１ｂにステープル並設体２の左右側縁部を配設する際に、係止部３に当たらずに通過することで、ステープル並設体２の左右側縁部を配設可能とするものである。 The substrate edge recess 2c passes through the guide portion 1b of the opening 1a without hitting the locking portion 3 when the left and right side edges of the staple parallel assembly 2 are arranged, so that the staple parallel assembly 2c passes through. The left and right side edges of the can be arranged.

従って、この基板縁凹部２ｃを介して開口部１ａにステープル並設体２を配設し（図５参照）、この状態でステープル並設体２をスライド移動させることで、この基板縁凹部２ｃ以外の部位（被係止部２ｂ）に係止部３が係止してステープル並設体２は保持され、この際、戻りスライド阻止部４が復帰してステープル並設体２の後端部に当接して戻り方向へのスライドが阻止される（図６参照）。 Therefore, by disposing the staple parallel body 2 in the opening 1a via the substrate edge recess 2c (see FIG. 5) and sliding the staple parallel body 2 in this state, other than the substrate edge recess 2c. The locking portion 3 is locked to the portion (locked portion 2b) to hold the staple parallel body 2, and at this time, the return slide blocking portion 4 returns to the rear end portion of the staple parallel body 2. It abuts and prevents sliding in the return direction (see FIG. 6).

また、ステープル並設体２を取り外す際には、戻りスライド阻止部４を押し込んで弾性変形させてステープル並設体２の後端部への当接を解除し、この状態でステープル並設体２を戻りスライドさせた後、基板縁凹部２ｃに係止部３を通過させることでステープル並設体２を開口部１ａから取り外して開くことができる。 Further, when removing the staple parallel body 2, the return slide blocking portion 4 is pushed in and elastically deformed to release the contact with the rear end portion of the staple parallel body 2, and in this state, the staple parallel body 2 is released. 2c can be removed from the opening 1a and opened by passing the locking portion 3 through the substrate edge recess 2c after the staples are slid back.

本実施例は上述のように構成したから、本実施例の製造に際して、ステープル並設体２の整列並設部２ａにステープル50を並設し、この状態でステープル並設体２を本体10の裏面側に設けられた本体凹部１に嵌合装着し、本体凹部１の開口部１ａを閉塞する（図４，５，６参照）。 Since this embodiment is configured as described above, in the production of this embodiment, the staples 50 are juxtaposed with the aligned juxtaposed portion 2a of the staple juxtaposed body 2, and in this state, the staple juxtaposed body 2 is mounted on the main body 10. It is fitted and mounted in the main body recess 1 provided on the back surface side to close the opening 1a of the main body recess 1 (see FIGS. 4, 5 and 6).

この際、例えばステープル50の配設状況が劣悪であると確認された場合、ステープル並設体２を取り外してステープル50を適正な状態に直すことができる。 At this time, for example, when it is confirmed that the arrangement of the staples 50 is poor, the staples 20 can be removed to restore the staples 50 to an appropriate state.

また、本実施例は、本体凹部１の開口縁には係止部３が設けられ、また、ステープル並設体２の基板縁には係止部３と係止して該ステープル並設体２により本体凹部１を閉塞する被係止部２ｂが設けられているから、本体凹部１を閉塞するステープル並設体２を確実に保持することができ、しかも、簡易構造故に製造コストが安くなる。 Further, in this embodiment , a locking portion 3 is provided at the opening edge of the recess 1 of the main body , and the staple parallel body 2 is locked with the locking portion 3 at the substrate edge of the staple parallel body 2. Since the locked portion 2b that closes the main body recess 1 is provided, the staple parallel body 2 that closes the main body recess 1 can be reliably held, and the manufacturing cost is reduced due to the simple structure.

また、本実施例は、被係止部２ｂと係止部３との係止は、ステープル並設体２を本体10に対して前方へスライドさせることにより係止するものであるから、組み立てが簡易に行われる。 Further, in the present embodiment, the locked portion 2b and the locked portion 3 are locked by sliding the staple parallel body 2 forward with respect to the main body 10, so that the assembly can be performed. It's easy to do.

また、本実施例は、被係止部２ｂと係止部３との係止により、ステープル並設体２が本体凹部１の開口部１ａを閉塞した場合において、ステープル並設体２の後端部に当接して該ステープル並設体２が戻り方向へスライドすることを阻止する戻りスライド阻止部４が本体凹部１に設けられているから、この点においても組み立てが簡易に行われる。 Further, in this embodiment, when the staple parallel body 2 closes the opening 1a of the main body recess 1 by locking the stapled portion 2b and the locking portion 3, the rear end of the staple parallel body 2 Since the return slide blocking portion 4 that comes into contact with the portion and prevents the staple parallel body 2 from sliding in the return direction is provided in the main body recess 1, assembly can be easily performed at this point as well.

また、本実施例は、戻りスライド阻止部４は、弾性変形した後に復帰動してステープル並設体２の基端部を押圧するように構成されているから、ステープル並設体２の開閉が極めて簡易且つ迅速に行えることになる。 Further, in the present embodiment, since the return slide blocking portion 4 is configured to elastically deform and then return to move to press the base end portion of the staple parallel body 2, the staple parallel body 2 can be opened and closed. It will be extremely easy and quick.

尚、本発明は、本実施例に限られるものではなく、各構成要件の具体的構成は適宜設計し得るものである。 The present invention is not limited to the present embodiment, and the specific configuration of each constituent requirement can be appropriately designed.

１ 本体凹部
１ａ 開口部
１ｂ ガイド部
２ ステープル並設体
２’ 基板
２ａ 整列並設部
２ｂ 被係止部
２ｃ 基板縁凹部
３ 係止部
４ 戻りスライド阻止部
10 本体
50 ステープル 1 Main body recess 1a Opening 1b Guide 2 Staple parallel body 2'Board 2a Aligned parallel 2b Locked part 2c Board edge recess 3 Locking part 4 Return slide blocking part
10 body
50 staples

Claims (3)

本体の裏面側に設けられる本体凹部に、複数のステープルを並設したステープル並設体を着脱自在に嵌合装着して成る医療用ステープラであって、前記ステープル並設体は、基板に前記ステープルを整列並設させる整列並設部が設けられたもので、前記本体凹部の左右開口縁には前記ステープル並設体の左右の基板縁をガイドするガイド部が設けられ、このガイド部には鉤状の係止部が設けられ、前記左右の基板縁には前記係止部と係止する被係止部が設けられ、また、前記左右の基板縁には基板縁凹部が設けられ、この基板縁凹部は、前記ガイド部に前記左右の基板縁を配設する際、前記係止部の通過を許容するものであり、前記基板縁凹部に前記係止部を通過させて前記ガイド部に前記左右の基板縁を配設した状態において、前記ステープル並設体を前記本体に対してスライドさせることにより前記被係止部と前記係止部とが係止する構造であり、更に、前記被係止部と前記係止部との係止により、前記ステープル並設体が前記本体凹部の開口部を閉塞した場合において、前記ステープル並設体に当接して該ステープル並設体が前記被係止部と前記係止部との係止が外れる方向へスライドすることを阻止する戻りスライド阻止部が前記本体凹部に設けられており、前記戻りスライド阻止部は、前記被係止部と前記係止部とが係止する際の弾性変形をした後に復帰動して前記ステープル並設体を押圧するように構成されていることを特徴とする医療用ステープラ。 A medical stapler in which a staple parallel body in which a plurality of staples are arranged side by side is detachably fitted and mounted in a main body recess provided on the back surface side of the main body, and the staple parallel body is the staple on a substrate. The left and right opening edges of the recesses of the main body are provided with guide portions for guiding the left and right substrate edges of the staple juxtaposed body, and the guide portions are provided with hooks. Jo engaging portion is provided in the the left and right of the substrate edges the locked portion is provided for engaging with the locking portion, also, the substrate edge recess is provided in the substrate edges of the right and left, the substrate The edge recess allows the locking portion to pass when the left and right substrate edges are arranged in the guide portion, and the locking portion is passed through the substrate edge recess to allow the guide portion to pass through. With the left and right substrate edges arranged, the stapled parallel body is slid with respect to the main body to lock the locked portion and the locked portion, and further, the engaged portion is engaged. When the staple parallel body closes the opening of the recess of the main body by locking the stop portion and the locking portion, the staple parallel body comes into contact with the staple parallel body and the staple parallel body is locked. A return slide blocking portion that prevents the portion and the locking portion from sliding in the unlocking direction is provided in the recess of the main body, and the return slide blocking portion is the locked portion and the locking portion. medical stapler which parts and is characterized in that it is configured to press the return movement to said staple parallel設体after the elastic deformation when the locking. 請求項１記載の医療用ステープラにおいて、前記被係止部と前記係止部との係止は、前記ステープル並設体を前記本体に対して前方へスライドさせることにより係止するものであることを特徴とする医療用ステープラ。 In the medical stapler according to claim 1, the locked portion and the locked portion are locked by sliding the staple parallel body forward with respect to the main body. A medical stapler featuring. 請求項１，２いずれか１項に記載の医療用ステープラにおいて、前記戻りスライド阻止部は、弾性変形した後に復帰動して前記ステープル並設体の基端部を押圧するように構成されていることを特徴とする医療用ステープラ。 In the medical stapler according to any one of claims 1 and 2, the return slide blocking portion is configured to elastically deform and then return to move to press the base end portion of the staple parallel assembly. A medical stapler that is characterized by this.
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US7048171B2 (en) * 2002-08-29 2006-05-23 Dale H. Kosted Surgical stapler with removable staple cartridge
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