JP4799233B2

JP4799233B2 - Endoscope washing device

Info

Publication number: JP4799233B2
Application number: JP2006077672A
Authority: JP
Inventors: 壮一朗小嶋
Original assignee: Koken Co Ltd
Current assignee: Koken Co Ltd
Priority date: 2006-03-20
Filing date: 2006-03-20
Publication date: 2011-10-26
Anticipated expiration: 2026-03-20
Also published as: JP2007252437A

Description

この発明は、使用後の内視鏡を洗滌するのに好適な装置に関する。 The present invention relates to an apparatus suitable for cleaning an endoscope after use.

従来、使用後の内視鏡を自動洗滌するための装置は周知である。また、かかる装置であって、内視鏡を収容する洗滌槽と、その洗滌槽に対する洗滌水供給手段と、その洗滌槽の開口部を開閉する蓋とを有する装置もまた周知である。例えば、興研（株）が平成１５年５月１０日付で発行した「セーフティニュース」Ｎｏ.５３２（非特許文献１）の第３頁には、商品名を「鏡内侍」とする内視鏡洗滌装置が記載されている。この装置における洗滌槽には、旋回して開閉する蓋が取り付けられている。その蓋は、天板部分の周縁に防漏用ゴムパッキングが取り付けられている。
興研（株）発行「セーフティニュース」Ｎｏ.５３２（平成１５年５月１０日発行） Conventionally, an apparatus for automatically washing a used endoscope is well known. An apparatus having such a washing tank that houses an endoscope, washing water supply means for the washing tank, and a lid that opens and closes the opening of the washing tank is also well known. For example, on the third page of “Safety News” No. 532 (Non-patent Document 1) issued by Koken Co., Ltd. An apparatus is described. A lid that swings and opens and closes is attached to the washing tank in this apparatus. The lid has a leak-proof rubber packing attached to the periphery of the top plate portion.
Published by Koken Co., Ltd. “Safety News” No. 532 (issued on May 10, 2003)

内視鏡洗滌装置では、洗滌水として強酸性電解水や強アルカリ性電解水、水道水、水道水と消毒薬との混合水等が使用されることがある。洗滌槽の蓋は塩化ビニル樹脂等の熱可塑性合成樹脂のシート材料で形成され、防漏用ゴムパッキングにはシリコンゴム等の耐蝕性材料が使用される。ゴムパッキングは接着剤や粘着剤を介して蓋の周縁部に固定されているが、この装置を長期間使用していると、ゴムパッキングが蓋から外れ易くなるということがある。そうしたことは洗滌水が洗滌槽の外に漏れる原因になるので好ましいことではない。 In an endoscope cleaning apparatus, strong acidic electrolyzed water, strong alkaline electrolyzed water, tap water, mixed water of tap water and disinfectant, or the like may be used as cleaning water. The lid of the washing tank is formed of a thermoplastic synthetic resin sheet material such as vinyl chloride resin, and a corrosion-resistant material such as silicon rubber is used for the leak-proof rubber packing. The rubber packing is fixed to the peripheral edge of the lid via an adhesive or a pressure-sensitive adhesive. However, when this apparatus is used for a long time, the rubber packing may easily come off from the lid. Such a thing is not preferable because it causes the washing water to leak out of the washing tank.

そこで、この発明は、洗滌槽の蓋に対して防漏用ゴムパッキングを使用する必要のない内視鏡洗滌装置の提供を課題にしている。 Accordingly, an object of the present invention is to provide an endoscope cleaning apparatus that does not require the use of a leak-proof rubber packing for the lid of the cleaning tank.

前記課題を解決するために、この発明が対象とするのは、内視鏡を収容可能であり、かつ収容した前記内視鏡を洗滌するための洗滌水を供給可能である洗滌槽と、ヒンジ手段の作用で旋回して前記洗滌槽の開口部を開閉することが可能な蓋とを有する内視鏡洗滌装置である。 In order to solve the above-mentioned problems, the present invention is directed to a washing tub that can accommodate an endoscope and that can supply washing water for washing the accommodated endoscope, and a hinge An endoscope cleaning apparatus having a lid that can be swung by the action of means to open and close the opening of the cleaning tank.

かかる内視鏡洗滌装置において、この発明が特徴とするところは次のとおりである。前記洗滌槽は、互いに直交する上下方向と前後方向と横方向とを有し、前記上下方向における下方に底面部が形成され、前記底面部の周縁には前記底面部から立ち上がって前記洗滌槽を実質的に一周する周面部が形成され、前記周面部は、前記底面部の上方に前記開口部を画成するとともに前記周面部どうしが対向する方向に向かって前記洗滌水を噴射可能なノズルを有している。前記蓋は、前記開口部を閉じることが可能な天板部と、前記天板部の周縁から垂下していて前記蓋が閉じた状態で前記周面部に接近して対向する周壁部とを有し、前記前後方向の後方において前記ヒンジ手段に取り付けられている。前記蓋が前記開口部を閉じた状態においての前記周壁部は、第１周壁部と第２周壁部とを有していて、前記第１周壁部は前記天板部の前記周縁から垂下して前記天板部を一周しており、前記第２周壁部は前記第１周壁部と前記第２周壁部との間に介在する連結壁を介して前記第１周壁部につながっていて前記前後方向と前記横方向とにおいて前記第１周壁部よりも前記天板部の内側に位置するとともに前記天板部を一周する方向の所要範囲に形成されており、前記第２周壁部はさらに、前記上下方向の下方に下縁を有し、前記下縁のうちで少なくとも前記前後方向において前記ヒンジ手段と対向している部分に前記周面から離間して前記洗滌槽の内方へ向かうように下向きに傾斜して延びる水滴案内壁が形成されている。前記連結壁は、前記天板部を一周するように延びていて、前記洗滌槽の前記周面部に形成される段差部に上方から当接可能な部位を含んでいる。 In such an endoscope cleaning apparatus, the features of the present invention are as follows. The washing tub has a vertical direction, a front-rear direction, and a horizontal direction orthogonal to each other, a bottom surface portion is formed below the vertical direction, and a peripheral edge of the bottom surface portion rises from the bottom surface portion so that the washing tub is A circumferential surface portion that substantially circulates is formed, and the circumferential surface portion defines the opening above the bottom surface portion, and a nozzle capable of injecting the washing water in a direction in which the circumferential surface portions face each other. Have. The lid has a top plate portion that can close the opening, and a peripheral wall portion that hangs down from a peripheral edge of the top plate portion and faces the peripheral surface portion when the lid is closed. And it is attached to the hinge means at the rear in the front-rear direction. The peripheral wall portion in a state where the lid closes the opening has a first peripheral wall portion and a second peripheral wall portion, and the first peripheral wall portion is suspended from the peripheral edge of the top plate portion. The top plate part makes a round, and the second peripheral wall part is connected to the first peripheral wall part via a connecting wall interposed between the first peripheral wall part and the second peripheral wall part, and the front-rear direction And in the lateral direction, it is located inside the top plate portion with respect to the first peripheral wall portion, and is formed in a required range in a direction in which the top plate portion goes around, and the second peripheral wall portion further includes the top and bottom portions has a lower edge in the direction of downward, downward such that at least toward said spaced apart from the peripheral surface portion facing the said hinge means in the longitudinal direction inwardly of the cleaning tank among the lower edge A water droplet guide wall extending obliquely is formed. The connecting wall extends so as to go around the top plate portion, and includes a portion that can contact from above a step portion formed in the peripheral surface portion of the washing tub.

この発明の好ましい実施態様の一つにおいて、前記水滴案内壁が水平面に対して２〜６０度傾斜している。 In one preferred embodiment of the present invention, the water droplet guide wall is inclined by 2 to 60 degrees with respect to a horizontal plane.

この発明の好ましい実施態様の他の一つにおいて、前記蓋は、前記天板部と、前記第１、第２周壁部と、前記連結壁と、前記水滴案内壁とが熱可塑性合成樹脂によって一体的に形成されるとともに、前記天板部と前記第１周壁部と前記連結壁とによって横向きに口を開く溝部が形成されている。 In another preferred embodiment of the present invention, the lid includes the top plate portion, the first and second peripheral wall portions, the connection wall, and the water droplet guide wall integrated with a thermoplastic synthetic resin. -formed Rutotomoni, laterally open mouth groove and the top plate portion and the first wall portion by said connecting wall is formed.

この発明に係る内視鏡洗滌装置では、洗滌槽の開口部を閉じたときの蓋が、洗滌槽の周面部に形成された段差部よりも上方に第１周壁部を有し、段差部よりも下方に第２周壁部を有し、これら両周壁部の間に介在する連結壁が段差部に当接するから、洗滌槽の内部において内視鏡に向かって周面部のノズルから横方向に噴射された洗滌水は、第１、第２周壁部および連結壁に衝接してこれら周壁部と周面部との間へ浸入し難く、それに加えて、洗滌水は、たとえ周面部と第２周壁部との間に浸入しても、連結壁が当接している段差部においてそれ以上先へ進むことが阻まれて、洗滌槽の外へ漏れるということがない。それゆえ、この洗滌槽では、蓋にゴムパッキングを使用する必要がない。 In the endoscope cleaning apparatus according to the present invention, the lid when the opening of the cleaning tub is closed has the first peripheral wall portion above the step portion formed on the peripheral surface portion of the cleaning tub, and from the step portion. Also has a second peripheral wall portion below, and a connecting wall interposed between both the peripheral wall portions abuts on the stepped portion, so that the nozzle is sprayed laterally from the peripheral surface portion toward the endoscope inside the washing tub. The washed water thus impinges on the first and second peripheral wall portions and the connecting wall and does not easily enter between the peripheral wall portion and the peripheral surface portion. In addition, the wash water includes the peripheral surface portion and the second peripheral wall portion. Even if it intrudes in between, it will not be prevented from proceeding further in the stepped portion where the connecting wall is in contact, and will not leak out of the washing tub. Therefore, it is not necessary to use rubber packing for the lid in this washing tank.

そのような効果を奏する洗滌槽の蓋は、水滴案内壁を水平面に対して２〜６０度傾斜させることによって、その効果が顕著になる。 The lid of the washing tub exhibiting such an effect becomes remarkable when the water droplet guide wall is inclined by 2 to 60 degrees with respect to the horizontal plane.

蓋が熱可塑性合成樹脂によって一体的に形成されている態様の内視鏡洗滌装置では、蓋の形状を剛性が高くて変形し難いものにすることが容易で、そのことによって蓋の厚さを薄くすることが可能になり、蓋の軽量化が可能になる。 In an endoscope cleaning apparatus in which the lid is integrally formed of a thermoplastic synthetic resin, it is easy to make the lid shape highly rigid and difficult to deform, thereby reducing the thickness of the lid. It is possible to reduce the thickness of the lid.

添付の図面を参照して、この発明に係る内視鏡洗滌装置の詳細を説明すると、以下のとおりである。 The details of the endoscope cleaning apparatus according to the present invention will be described below with reference to the accompanying drawings.

図１は、内視鏡洗滌装置１の斜視図である。この装置１は、本体２と、本体２の頂部に位置する洗滌槽３（図２参照）と、本体２に取り付けられていて洗滌槽３の開口部６（図３参照）を開閉することができる蓋４とを有する。本体２は互いに直交する幅方向Ｘと上下方向Ｙと前後方向Ｚとを有し、その本体２には操作パネル７や表示パネル８，９、電源スイッチ１１、足踏み式ペダル１２等が設けられている他に、内視鏡を洗滌するための各種機械類（図示せず）が内蔵されている。蓋４は、その平面形状がほぼ矩形に形成されていて、前方から後方に向かって見たときに前辺４_Ｆ、後辺４_Ｂ、左辺４_Ｌ、右辺４_Ｒを有し、前辺４_Ｆには把手１３が取り付けられていて、把手１３の先端部分が本体２の内部へ進入してその内部に設けられたラッチ（図示せず）に係合して施錠された状態にある。但し、ペダル１２を踏めば、そのラッチが動いて蓋４は開錠状態になる。蓋４はまた、その後辺４_Ｂが開閉手段であるヒンジ１６を構成している部材１６ａを介して本体２に取り付けられている。ヒンジ１６は、蓋４を開く方向へ付勢するばね１７（図６参照）を有しており、開錠状態にある蓋４をそれが開く方向へ自動的に旋回させることができる（図８参照）。前辺４_Ｆ、後辺４_Ｂ、左辺４_Ｌ、右辺４_Ｒは、一例として４０〜６０ｃｍの長さを有する。 FIG. 1 is a perspective view of an endoscope cleaning apparatus 1. This apparatus 1 can open and close the main body 2, the washing tub 3 (see FIG. 2) located at the top of the main body 2, and the opening 6 (see FIG. 3) of the washing tub 3 attached to the main body 2. And a lid 4 that can be formed. The main body 2 has a width direction X, a vertical direction Y, and a front-rear direction Z that are orthogonal to each other. The main body 2 is provided with an operation panel 7, display panels 8, 9, a power switch 11, a foot pedal 12, and the like. In addition, various machines (not shown) for cleaning the endoscope are incorporated. The lid 4 has a substantially rectangular planar shape, and has a front side 4 _F , a rear side 4 _B , a left side 4 _L , and a right side 4 _R when viewed from the front to the rear. _A handle 13 is attached to _F, and the distal end portion of the handle 13 enters the inside of the main body 2 and is locked by being engaged with a latch (not shown) provided therein. However, when the pedal 12 is depressed, the latch moves and the lid 4 is unlocked. The lid 4 is also attached to the main body 2 via a member 16a constituting a hinge 16 whose rear side _4B is an opening / closing means. The hinge 16 has a spring 17 (see FIG. 6) that biases the lid 4 in the opening direction, and can automatically rotate the lid 4 in the unlocked state in the opening direction (FIG. 8). reference). The front side 4 _F , the rear side 4 _B , the left side 4 _L , and the right side 4 _R have a length of 40 to 60 cm as an example.

図２，３は、図１のＩＩ−ＩＩ線切断面を示す図と、図２の部分拡大図である。本体２の頂部に位置する洗滌槽３は、水平な床面Ｆに対して約１０°傾斜した底面部３１と、底面部３１の周縁から立ち上がりその周縁を実質的に一周している周面部３２と、その周面部３２によって底面部３１の上方に画成されている開口部６とを有する。底面部３１には、排水孔３３が形成されている。周面部３２は、開口部６の近傍に段差部３４を有し、その段差部３４よりも上に形成された上方周面部３２ａと、段差部３４よりも下に形成された下方周面部３２ｂとに分けられる。蓋４は、中高に形成されているが底面部３１にほぼ平行している天板部４１と、周面部３２の内側に位置する周壁部４２とを有する。天板部４１は、ヒンジ部材１６ａの取り付け部位４８がやや低くかつ平坦に形成されている。図３において明らかなように、蓋４の前辺４_Ｆにおける周壁部４２は、天板部４１から垂下する上方周壁部４２ａと、上方周壁部４２ａよりも下方であってかつ天板部４１の内側に位置する下方周壁部４２ｂと、これら両周壁部４２ａ，４２ｂ間に介在する連結壁４２ｃとを有する。下方周壁部４２ｂは、図の上下方向の下方に下縁４３を有し、その下縁４３からは蓋４の内側でもある洗滌槽３の内側に向かって水滴案内壁４４が延びている。蓋４の後辺４_Ｂにおける周壁部４２は、上方周壁部４２ａと下方周壁部４２ｂと連結壁４２ｃとを有するが、下方周壁部４２ｂの下縁４３には水滴案内壁４４が形成されていない。図示例の蓋４においては、開口部６に内側から嵌合して開口部６を閉じている蓋４の上方周壁部４２ａが、水平面Ｆに対して約８０度の角度で交差するように上下方向Ｙへ延びていて、上方周面部３２ａに接近した状態で向かい合っている。凹型に湾曲している連結壁４２ｃは、少なくともその一部分が凸型に湾曲している段差部３４に上方から当接している。下方周壁部４２ｂは、水平面Ｆに対して約７０度の角度で交差するように上下方向Ｙへ延びており、それと向かい合う下方周面部３２ｂに接触または接近している。加えて、蓋４の前辺４_Ｆにおける下方周壁部４２の下縁４３からは、水滴案内壁４４が水平面Ｆに対して２〜６０度、より好ましくは５〜４０度傾斜した状態で下方周面部３２ｂから離間して洗滌槽の内側へ向かって延びている。 2 and 3 are a diagram showing a section taken along line II-II in FIG. 1 and a partially enlarged view of FIG. The washing tub 3 located at the top of the main body 2 has a bottom surface portion 31 inclined about 10 ° with respect to the horizontal floor surface F, and a peripheral surface portion 32 that rises from the periphery of the bottom surface portion 31 and substantially makes a round of the periphery. And an opening 6 defined above the bottom surface portion 31 by the peripheral surface portion 32. A drain hole 33 is formed in the bottom portion 31. The peripheral surface portion 32 has a stepped portion 34 in the vicinity of the opening 6, an upper peripheral surface portion 32 a formed above the stepped portion 34, and a lower peripheral surface portion 32 b formed below the stepped portion 34. It is divided into. The lid 4 has a top plate portion 41 that is formed at a medium height but is substantially parallel to the bottom surface portion 31, and a peripheral wall portion 42 that is positioned inside the peripheral surface portion 32. In the top plate portion 41, the attachment portion 48 of the hinge member 16a is formed slightly lower and flat. As apparent from FIG. 3, the peripheral wall portion 42 on the front side 4 _F of the lid 4 includes an upper peripheral wall portion 42 a depending from the top plate portion 41, a lower side than the upper peripheral wall portion 42 a, and the top plate portion 41. It has a lower peripheral wall portion 42b located on the inner side and a connecting wall 42c interposed between both the peripheral wall portions 42a and 42b. The lower peripheral wall portion 42 b has a lower edge 43 below the vertical direction in the figure, and a water droplet guide wall 44 extends from the lower edge 43 toward the inside of the washing tub 3 that is also inside the lid 4. Peripheral wall 42 of the side 4 _B after the lid 4 has a connecting wall 42c and the upper wall portion 42a and the lower peripheral wall 42b, the lower edge 43 of the lower peripheral wall 42b is not formed water droplets guide wall 44 . In the illustrated example of the lid 4, the upper peripheral wall portion 42 a of the lid 4 that is fitted to the opening 6 from the inside and closes the opening 6 intersects the horizontal plane F at an angle of about 80 degrees. It extends in the direction Y and faces each other in a state of approaching the upper peripheral surface portion 32a. The connecting wall 42c curved in a concave shape is in contact with the stepped portion 34, at least a part of which is curved in a convex shape, from above. The lower peripheral wall portion 42b extends in the vertical direction Y so as to intersect the horizontal plane F at an angle of about 70 degrees, and is in contact with or in close proximity to the lower peripheral surface portion 32b facing the lower peripheral wall portion 42b. In addition, from the lower edge 43 of the lower peripheral wall portion 42 on the front side 4 _F of the lid 4, the water drop guide wall 44 is inclined downward from the horizontal plane F by 2 to 60 degrees, more preferably 5 to 40 degrees. It is spaced apart from the surface portion 32b and extends toward the inside of the washing tub.

図４は、図１のＩＶ−ＩＶ線切断面を示す図である。洗滌槽３は、底面部３１と周面部３２とを有し、図の底面部３１は水平な床面Ｆに平行している。蓋４は、天板部４１と周壁部４２とを有し、天板部４１は中高であって、周壁部４２は図２の場合と同様に、洗滌槽３における開口部６の内側に嵌合している。周壁部４２ではまた、水滴案内壁４４が、下方周面部３２ｂから離間するように、下方周壁部４２ｂから洗滌槽３の内側に向かって延びている。 FIG. 4 is a view showing a section taken along line IV-IV in FIG. The washing tub 3 has a bottom surface portion 31 and a peripheral surface portion 32, and the bottom surface portion 31 in the drawing is parallel to the horizontal floor surface F. The lid 4 has a top plate portion 41 and a peripheral wall portion 42. The top plate portion 41 is medium-high, and the peripheral wall portion 42 is fitted inside the opening 6 in the washing tub 3 as in the case of FIG. Match. In the peripheral wall portion 42, the water droplet guide wall 44 extends from the lower peripheral wall portion 42b toward the inside of the washing tub 3 so as to be separated from the lower peripheral surface portion 32b.

図５は、図１のＶ−Ｖ線切断面を示す図である。洗滌槽３は、この切断面に現れる部分の形状が図４における形状と異なり、図の右方に隆起部３６を有する。隆起部３６は、その下方に形成されるスペースに本体２の部材（図示せず）を納めることができるもので、その部材を操作するための開口３７と、その開口３７を閉じている取り外し可能なキャップ３８とを有する。上下方向Ｙにおいて、キャップ３８の位置は洗滌槽３の段差部３４の近傍にある。蓋４は、左辺４_Ｌにおける周壁部４２が図４の左辺における周壁部４２と同じように形成されているが、右辺４_Ｒにおける周壁部４２が図４の右辺４_Ｒにおける周壁部４２と異なっていて、下方周壁部４２ｂが省かれて緩やかに傾斜する水滴案内壁４４が連結壁４２ｃにつながっている。 FIG. 5 is a view showing a cross section taken along the line V-V in FIG. The washing tub 3 is different from the shape shown in FIG. 4 in the shape of the portion appearing on the cut surface, and has a raised portion 36 on the right side of the drawing. The raised portion 36 can accommodate a member (not shown) of the main body 2 in a space formed below, and an opening 37 for operating the member and a removable member that closes the opening 37. And a cap 38. In the vertical direction Y, the position of the cap 38 is in the vicinity of the stepped portion 34 of the washing tub 3. The lid 4 is a peripheral wall portion 42 at the left side 4 _L are formed in the same manner as the peripheral wall portion 42 of the left side of FIG. 4, different peripheral wall 42 on the right side 4 _R is a peripheral wall 42 on the right side 4 _R in FIG. 4 In addition, the lower peripheral wall portion 42b is omitted, and the water droplet guide wall 44 that is gently inclined is connected to the connecting wall 42c.

図２〜５において明らかなように、蓋４の前辺４_Ｆ、後辺４_Ｂ、左辺４_Ｌ、右辺４_Ｒのそれぞれには、上方周壁部４２ａが底部となり、天板部４１と連結壁４２ｃとが側壁となって、横向きに口を開く溝部５１ａ，５１ｂ，５１ｃ，５１ｄのそれぞれが形成されている。 As is apparent in FIGS. 2 to 5, the upper peripheral wall portion 42 a is the bottom portion of each of the front side 4 _F , the rear side 4 _B , the left side 4 _L , and the right side 4 _R of the lid 4. The groove portions 51a, 51b, 51c, 51d that open the mouth sideways are formed as side walls 42c.

図６，７は、蓋４が外されている本体２と洗滌槽３とを洗滌槽３の底面部３１の垂直方向上方から見たときの状態を示す本体２と洗滌槽３との頂面図と、本体２から外された蓋４の天板部４１の内面をその内面の垂直方向上方から見た状態を示す蓋４の頂面図である。図６において、洗滌槽３は、ほぼ矩形に形成されていて、仮想線で示す内視鏡９０が収容されている。洗滌槽３では周面部３２が底面部３１の周縁を実質的に一周するように形成されていて、その周面部３２のうちの前方および左方における周面部３２_Ｆ，３２_Ｌと後方および右方における周面部３２_Ｂ，３２_Ｒの一部分とには、図２〜４に示される上方周面部３２ａ、下方周面部３２ｂおよび段差部３４が形成されている。また、後方および右方における周面部３２_Ｂ，３２_Ｒの残りの部分は、段差部３４が隆起部３６の頂面につながっている。その頂面の前後それぞれには、開口３７を閉じるためのキャップ３８が取り付けられている。隆起部３６と底面部３１とからは、洗滌水や洗滌用ブラシ（図示せず）を内視鏡９０へ送り込むための第１〜第３ホース９１，９２，９３が内視鏡９０にまで延びている。後方の周面部３２_Ｂには第１〜第３ノズル９４ａ，９４ｂ，９４ｃが取り付けられており、前方の周面部３２_Ｆと左方の周面部３２_Ｌとの交差部および前方の周面部３２_Ｆと右方の周面部３２_Ｒとの交差部にも第４、第５ノズル９４ｄ，９４ｅが取り付けられている。これら第１〜第５ノズル９４ａ〜９４ｅからは、本体２の操作パネル７における設定条件に従って、本体２の内部にある洗滌水（図示せず）が内視鏡９０に向かって噴射される。図示のヒンジ部材１６ｂは、図１のヒンジ部材１６ａが着脱される部位であって、これら両部材１６ａ，１６ｂが一体になったヒンジ１６では、ばね１７の作用によって蓋４をそれが開く方向へ付勢することができる。 6 and 7 are top views of the main body 2 and the washing tub 3 showing a state when the main body 2 and the washing tub 3 from which the lid 4 is removed are viewed from above in the vertical direction of the bottom surface portion 31 of the washing tub 3. FIG. 4 is a top view of the lid 4 showing a state in which the inner surface of the top plate portion 41 of the lid 4 removed from the main body 2 is viewed from above in the vertical direction. In FIG. 6, the washing tub 3 is formed in a substantially rectangular shape and houses an endoscope 90 indicated by an imaginary line. In the washing tub 3, the peripheral surface portion 32 is formed so as to substantially make a round of the peripheral edge of the bottom surface portion 31, and the peripheral surface portions 32 _F and 32 _{L on} the front and left sides of the peripheral surface portion 32 and the rear and right sides. in the a portion of the peripheral surface portion ₃₂ B, 32 _R, the upper peripheral surface 32a as shown in FIGS. 2-4, the lower peripheral surface portion 32b and the stepped portion 34 is formed. Further, in the remaining portions of the peripheral surface portions 32 _B and 32 _{R on} the rear and right sides, the step portion 34 is connected to the top surface of the raised portion 36. Caps 38 for closing the openings 37 are attached to the front and rear of the top surface, respectively. From the raised portion 36 and the bottom surface portion 31, first to third hoses 91, 92, and 93 for feeding cleaning water and a cleaning brush (not shown) to the endoscope 90 extend to the endoscope 90. ing. Rear of the peripheral surface portion 32 _B first to third nozzles 94a, 94b, 94c are attached, intersections and the front of the peripheral surface portion 32 _F of the peripheral surface portion 32 _L of the front peripheral surface portion 32 _F and left also at the intersection of the peripheral surface portion 32 _R of the right fourth, fifth nozzles 94d, the 94e and installed. From these first to fifth nozzles 94a to 94e, cleaning water (not shown) inside the main body 2 is jetted toward the endoscope 90 in accordance with the setting conditions on the operation panel 7 of the main body 2. The illustrated hinge member 16b is a part to which the hinge member 16a of FIG. 1 is attached and detached. In the hinge 16 in which these members 16a and 16b are integrated, the cover 4 is opened in the direction in which the cover 4 is opened by the action of the spring 17. Can be energized.

図７の蓋４は、図６の本体２から取り外されて、天板部４１の内面が上になるようにしてほぼ水平に置かれているが、ヒンジ部材１６ａ（図１参照）の図示が省略されている。蓋４の周壁部４２のうちの上方周壁部４２ａと連結壁４２ｃとは、天板部４１の周縁を一周するように、換言すると洗滌槽３の開口部６を一周するように延びている。下方周壁部４２ｂは、天板部４１の周縁の所要範囲に形成されるもので、蓋４の前辺４_Ｆと左辺４_Ｌの他に、右辺４_Ｒの一部分に沿って延びるように、換言すると洗滌槽３の前方の周面部３２_Ｆと左方の周面部３２_Ｌとの他に、右方の周面部３２_Ｒの一部分に沿って延びるように形成されている。しかし、下方周壁部４２ｂは、右辺４_Ｒの残りの部分と後辺４_Ｂとに沿っては、換言すると洗滌槽３の右方の周面部３２_Ｒの残りの部分と後方の周面部３２_Ｂとには形成されていない。水滴案内壁４４は、前辺４_Ｆと左辺４_Ｌと右辺４_Ｒとに形成されているが、後辺４_Ｂには形成されていない。蓋４はまた、前辺４_Ｆに把手部１３を有し、後辺４_Ｂにヒンジ取り付け部４８を有する。 The lid 4 of FIG. 7 is removed from the main body 2 of FIG. 6 and placed almost horizontally with the inner surface of the top plate portion 41 facing upward, but the hinge member 16a (see FIG. 1) is illustrated. It is omitted. Of the peripheral wall portion 42 of the lid 4, the upper peripheral wall portion 42 a and the connecting wall 42 c extend so as to go around the periphery of the top plate portion 41, in other words, round the opening 6 of the washing tub 3. Lower peripheral wall portion 42b is intended to be formed in the required range of the periphery of the top plate portion 41, in addition to the front side 4 _F and the left side 4 _L of the lid 4, so as to extend along a portion of the right side 4 _R, i.e. Then in addition to the peripheral surface portion 32 _L of the peripheral surface portion 32 _F and left in front of the washing bath 3, it is formed to extend along a portion of the peripheral surface portion 32 _R of the right. However, the lower peripheral wall 42b is along the the rest of the rear side 4 _B of the right side 4 _R, the remainder of the rear of the peripheral surface portion 32 _B of the peripheral surface portion 32 _R of the right side of the cleaning tank 3 with other words And is not formed. Water droplet guide wall 44 has been formed prior to the edge 4 _F and left 4 _L and right 4 _R, it is not formed on the rear side 4 _B. The lid 4 also has a grip portion 13 to the front side _{4 F,} has a hinged portion 48 to the rear side _{4 B.}

かように形成されている図１の状態の内視鏡洗滌装置１では、洗滌槽３に収容された内視鏡９０に対して、第１〜第５ノズル９４ａ〜９４ｅから強酸性水や水道水等の洗滌水が噴射される。洗滌水のうちで、洗滌槽３の周面部３２に向かって飛散したものは、蓋４における周壁部４２に衝接して、洗滌槽３から漏れることがない。例えば、ヒンジ１６の下方にある第１〜第３ノズル９４ａ〜９４ｃから噴射される洗滌水の一部はヒンジ１６と対向している蓋４の周壁部４２に衝接する。第４ノズル９４ｄから噴射される洗滌水は隆起部３６等に衝接する。また、第５ノズル９４ｅからの洗滌水の一部は、左辺４_Ｌや後辺４_Ｂの周壁部４２に衝接する。さらに、周面部３２のうちの下方周面部３２ｂと周壁部４２のうちの下方周壁部４２ｂとの間に浸入した洗滌水は、下方周面部３２の上方にある段差部３４に蓋４の連結壁４２ｃが接触していることで、それ以上に先へ進むことが阻まれて、洗滌槽３の外へ出ることがない。 In the endoscope cleaning apparatus 1 in the state of FIG. 1 formed as described above, strongly acidic water or water supply from the first to fifth nozzles 94a to 94e with respect to the endoscope 90 accommodated in the cleaning tank 3. Washing water such as water is jetted. Of the washing water, the water splashed toward the peripheral surface portion 32 of the washing tub 3 does not leak from the washing tub 3 by contacting the peripheral wall portion 42 of the lid 4. For example, part of the washing water sprayed from the first to third nozzles 94 a to 94 c below the hinge 16 comes into contact with the peripheral wall portion 42 of the lid 4 facing the hinge 16. The washing water sprayed from the fourth nozzle 94d comes into contact with the raised portion 36 and the like. Part of the wash water from the fifth nozzle 94e, which abuts the peripheral wall portion 42 of the left side _{4 L} and rear sides _{4 B.} Further, the washing water that has entered between the lower peripheral surface portion 32 b of the peripheral surface portion 32 and the lower peripheral wall portion 42 b of the peripheral wall portion 42 is connected to the stepped portion 34 above the lower peripheral surface portion 32 and the connecting wall of the lid 4. Since 42c is contacting, it progresses further beyond that and it does not go out of the washing tub 3.

図８は、蓋４の開閉状態を示す図２と同様な図であるが、開いた状態の蓋４が実線で示されていて、閉じた状態と半開の状態とにある蓋４が仮想線で示されている。内視鏡洗滌装置１では、内視鏡９０に洗滌水を噴射することによって、洗滌後にはその洗滌水が蓋４の内面に多数の水滴となって付着している。その蓋４が図示の如くヒンジの軸１６ｃを中心に旋回して開く過程では、水滴の多くが天板部４１の内面を伝って後辺４_Ｂの溝部５１ｂに集まり、その溝部５１ｂから洗滌槽３へと流れ落ちる。一方、蓋４の前辺４_Ｆにおける周壁部４２の内面に付着している水滴は、後辺４_Ｂに向かって流れることなく下方へ落ちる。しかしながら、その周壁部４２では、水滴案内壁４４が洗滌槽３の内側へ向かうように下向きに傾斜して延びているから、周壁部４２の内面を伝って下方へ流れる水滴は、その案内壁４４に沿って洗滌槽３の内側へ向かうように流れながら案内壁４４から離れる。したがって、このように作用する水滴案内壁４４を有する蓋４では、ヒンジ１６の作用によって、または作業者の手作業によって、蓋４が開く方向へ勢いよく旋回したときでも、強酸性電解水や強アルカリ性電解水、水道水と消毒薬との混合水の如き洗滌水が水滴となって洗滌槽３の外へ飛び散ることがない。これに反して、蓋４がその前辺４_Ｆに水滴案内壁４４を持たず、周壁部４２が下方周壁部４２ｂで終わっている場合には、蓋４が旋回するときの勢いで水滴が下方周壁部４２ｂの下縁４３から洗滌槽３の外へ向かって飛び散り易く、洗滌水によって本体２の操作盤面等を濡らしたり、作業者の着衣を濡らしたりすることがある。
FIG. 8 is a view similar to FIG. 2 showing the open / closed state of the lid 4, but the lid 4 in the open state is shown by a solid line, and the lid 4 in the closed state and the half-open state is shown by a virtual line. It is shown in In the endoscope cleaning apparatus 1, the cleaning water is sprayed onto the endoscope 90 so that the cleaning water adheres to the inner surface of the lid 4 as a large number of water droplets after the cleaning. In the process of the lid 4 is opened by pivoting about the axis 16c of as illustrated hinge, gathered into the groove 51b of the rear side 4 _B Many water drops along the inner surface of the top plate portion 41, washing bath from the groove portion 51b Flows down to 3. Meanwhile, water droplets adhering to the inner surface of the peripheral wall 42 of the front side 4 _F of the lid 4, falls downward without flowing toward the rear side 4 _B. However, in the peripheral wall portion 42, the water droplet guide wall 44 extends so as to incline downward so as to go to the inside of the washing tub 3, so that the water droplet flowing downward along the inner surface of the peripheral wall portion 42 is guided by the guide wall 44. And moving away from the guide wall 44 while flowing toward the inside of the washing tub 3. Therefore, in the lid 4 having the water droplet guide wall 44 acting in this way, even when the lid 4 is vigorously swung in the opening direction by the action of the hinge 16 or by the manual operation of the operator, Washing water such as alkaline electrolyzed water, mixed water of tap water and disinfectant does not scatter out of the washing tub 3 as water droplets. On the contrary, the lid 4 does not have a water droplet guide wall 44 on the front side 4 _F, in the case where the peripheral wall portion 42 ends with a lower peripheral wall portion 42b is water droplets downward momentum when the lid 4 is pivoted The peripheral wall portion 42b easily scatters out of the washing tub 3 from the lower edge 43, and the operation panel surface of the main body 2 may be wetted by washing water, or the operator's clothes may be wetted.

蓋４は、例えば塩化ビニル樹脂、ポリカーボネート樹脂等の熱可塑性合成樹脂のシート材料を真空成形することによって、各部が滑らかにつながる一体のものとして作ることができる。また、これらの樹脂を射出成形することによって蓋４を作ることもできる。図示例の蓋４は、その周囲が溝部５１ａ，５１ｂ，５１ｃ，５１ｄによって囲まれており、また天板部４１が中高に作られているので、シート材料の厚さが１〜４ｍｍ程度の薄さであっても、実用上において支障を来たすように大きくゆがんだりすることがない。それゆえ、蓋４では、その厚さを薄くすることによって軽量化を図ることができる。 The lid 4 can be made as an integral unit in which each part is smoothly connected by vacuum forming a sheet material of thermoplastic synthetic resin such as vinyl chloride resin or polycarbonate resin. Moreover, the lid | cover 4 can also be made by injection-molding these resin. The lid 4 in the illustrated example is surrounded by groove portions 51a, 51b, 51c, 51d, and the top plate portion 41 is formed at a middle height, so that the thickness of the sheet material is as thin as about 1 to 4 mm. Even so, it will not be greatly distorted so as to impede practical use. Therefore, the lid 4 can be reduced in weight by reducing its thickness.

この発明によれば、蓋にゴムパッキングを取り付ける必要のない内視鏡洗滌装置の製造が可能になる。 According to the present invention, it is possible to manufacture an endoscope cleaning apparatus that does not require a rubber packing to be attached to the lid.

内視鏡洗滌装置の斜視図。The perspective view of an endoscope cleaning apparatus. 図１のＩＩ−ＩＩ線切断面を示す図。The figure which shows the II-II line | wire cut surface of FIG. 図２の部分拡大図。The elements on larger scale of FIG. 図１のＩＶ−ＩＶ線切断面を示す図。The figure which shows the IV-IV line | wire cut surface of FIG. 図１のＶ−Ｖ線切断面を示す図。The figure which shows the VV line | wire cut surface of FIG. 洗滌槽の頂面図。Top view of the washing tank. 蓋の内面を示す図。The figure which shows the inner surface of a lid | cover. 蓋の旋回状態を示す図２と同様な図。The figure similar to FIG. 2 which shows the turning state of a lid | cover.

Explanation of symbols

１内視鏡洗滌装置
３洗滌槽
４蓋
６開口部
１６ヒンジ手段
３１底面部
３２周面部
３４段差部
４１天板部
４２周壁部
４２ａ第１周壁部（上方周壁部）
４２ｂ第２周壁部（下方周壁部）
４２ｃ連結壁
４３下縁
４４水滴案内壁
９０内視鏡
９４ａ〜９４ｅノズル
Ｘ横方向
Ｙ上下方向
Ｚ前後方向 DESCRIPTION OF SYMBOLS 1 Endoscope washing apparatus 3 Washing tank 4 Lid 6 Opening part 16 Hinge means 31 Bottom surface part 32 Peripheral surface part 34 Step part 41 Top plate part 42 Perimeter wall part 42a 1st peripheral wall part (upper peripheral wall part)
42b Second peripheral wall (lower peripheral wall)
42c Connecting wall 43 Lower edge 44 Water droplet guide wall 90 Endoscope 94a to 94e Nozzle X Horizontal direction Y Vertical direction Z Front-back direction

Claims

A washing tub capable of accommodating an endoscope and capable of supplying washing water for rinsing the accommodated endoscope; and swinging by the action of a hinge means to open and close the opening of the washing tub An endoscope cleaning device having a lid capable of
The washing tub has a vertical direction, a front-rear direction, and a horizontal direction orthogonal to each other, a bottom surface portion is formed below the vertical direction, and a peripheral edge of the bottom surface portion rises from the bottom surface portion so that the washing tub is A circumferential surface portion that substantially circulates is formed, and the circumferential surface portion defines the opening above the bottom surface portion, and a nozzle capable of injecting the washing water in a direction in which the circumferential surface portions face each other. Have
The lid has a top plate portion that can close the opening, and a peripheral wall portion that hangs down from a peripheral edge of the top plate portion and faces the peripheral surface portion when the lid is closed. And attached to the hinge means at the rear in the front-rear direction,
The peripheral wall portion in a state where the lid closes the opening has a first peripheral wall portion and a second peripheral wall portion, and the first peripheral wall portion is suspended from the peripheral edge of the top plate portion. The top plate part makes a round, and the second peripheral wall part is connected to the first peripheral wall part via a connecting wall interposed between the first peripheral wall part and the second peripheral wall part, and the front-rear direction And in the lateral direction, it is located inside the top plate portion with respect to the first peripheral wall portion, and is formed in a required range in a direction in which the top plate portion goes around, and the second peripheral wall portion further includes the top and bottom portions has a lower edge in the direction of downward, downward such that at least toward said spaced apart from the peripheral surface to the portion facing the said hinge means in the longitudinal direction inwardly of the cleaning tank among the lower edge A water droplet guide wall extending obliquely is formed,
The inner wall is characterized in that the connection wall extends around the top plate portion and includes a portion that can contact from above the step portion formed in the peripheral surface portion of the washing tub. Endoscope washing device.

The endoscope cleaning apparatus according to claim 1, wherein the water droplet guide wall is inclined by 2 to 60 degrees with respect to a horizontal plane.

The lid, the said top plate, said first and second peripheral wall portion, and said connecting wall, said water droplet guide wall is integrally formed of thermoplastic synthetic resin Rutotomoni, and the top plate portion The endoscope cleaning apparatus according to claim 1 or 2 , wherein a groove portion that opens a mouth sideways is formed by the first peripheral wall portion and the connecting wall .