JP4825997B2 - Endoscope adapter - Google Patents

Endoscope adapter Download PDF

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JP4825997B2
JP4825997B2 JP2007118432A JP2007118432A JP4825997B2 JP 4825997 B2 JP4825997 B2 JP 4825997B2 JP 2007118432 A JP2007118432 A JP 2007118432A JP 2007118432 A JP2007118432 A JP 2007118432A JP 4825997 B2 JP4825997 B2 JP 4825997B2
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endoscope
distal end
mounting portion
peripheral surface
drainage
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JP2008272168A (en
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英次 梅垣
真也 阿部
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Top KK
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Priority to JP2007118432A priority Critical patent/JP4825997B2/en
Priority to PCT/JP2008/058187 priority patent/WO2008139921A1/en
Priority to DE112007003459.9T priority patent/DE112007003459B4/en
Priority to TW097115569A priority patent/TWI400055B/en
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • G02B23/2476—Non-optical details, e.g. housings, mountings, supports
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments 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
    • A61B1/00064—Constructional details of the endoscope body
    • A61B1/00071—Insertion part of the endoscope body
    • A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
    • A61B1/00089—Hoods
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments 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
    • A61B1/00064—Constructional details of the endoscope body
    • A61B1/00071—Insertion part of the endoscope body
    • A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
    • A61B1/00101—Insertion part of the endoscope body characterised by distal tip features the distal tip features being detachable

Description

本発明は、内視鏡の先端部に着脱可能に装着される内視鏡用アダプタに関するものである。   The present invention relates to an endoscope adapter that is detachably attached to a distal end portion of an endoscope.

近年、消化器官等の手術や検査等に内視鏡が使用されている。図３示のように、内視鏡Ｅは、先端部Ｅａの外周面に、硬質樹脂製の内視鏡用アダプタ１１を介して、軟質樹脂製のフード１２を着脱可能に装着し、先端面Ｅｂに設けられた対物レンズ等が被処置部に直接接触することが防止されるようになっている。   In recent years, endoscopes are used for operations and examinations of digestive organs and the like. As shown in FIG. 3, the endoscope E has a soft resin hood 12 detachably attached to the outer peripheral surface of the distal end portion Ea via a hard resin endoscope adapter 11. The objective lens provided on Eb is prevented from coming into direct contact with the part to be treated.

ところで、被処置部から流れ出た体液（血液、リンパ液、組織液）、該体液を洗い流すために被処置部に供給した水、薬液等の液体が内視鏡Ｅの先端面Ｅｂの対物レンズに付着し、内視鏡Ｅの視界が悪くなり処置の妨げとなることがある。そこで、外壁面を厚さ方向に貫通する排液孔１３又は先端部１２ａに切り欠き部１４を備え、この液体を該排液孔１３又は該切り欠き部１４から外部に排出させるフード１２が知られている（例えば、特許文献１参照）。   By the way, body fluids (blood, lymph fluid, tissue fluid) that have flowed out of the treated part, and water such as water and chemicals supplied to the treated part to wash away the body fluid adhere to the objective lens on the distal end surface Eb of the endoscope E. In some cases, the visibility of the endoscope E is deteriorated and the treatment is hindered. Therefore, there is known a hood 12 that includes a notch 14 in the drainage hole 13 or the front end 12a that penetrates the outer wall surface in the thickness direction, and discharges the liquid from the drainage hole 13 or the notch 14 to the outside. (For example, refer to Patent Document 1).

しかし、このような排液孔１３又は切り欠き部１４を備えたフード１２が装着された内視鏡Ｅであっても、排液孔１３の基端１３ａと内視鏡Ｅの先端面Ｅｂとで形成される内部空間Ｓａや、切り欠き部１４の基端１４ａと先端面Ｅｂとで形成される内部空間Ｓｂに液体が残ってしまい、対物レンズに付着した液体を完全に外部に排出させることはできなかった。
特開昭５９−９３４１３号公報 However, even in the endoscope E to which the hood 12 having the drainage hole 13 or the notch 14 is attached, the base end 13a of the drainage hole 13 and the distal end surface Eb of the endoscope E The liquid remains in the internal space Sa formed by the above and the internal space Sb formed by the base end 14a and the distal end surface Eb of the notch 14, and the liquid adhering to the objective lens is completely discharged to the outside. I couldn't.
JP 59-93413 A

本発明は、かかる事情に鑑み、内視鏡の先端面に付着した体液、水、薬液等の液体を確実に外部に排出させることができる内視鏡用アダプタを提供することを目的とする。   In view of such circumstances, an object of the present invention is to provide an adapter for an endoscope that can reliably discharge liquids such as body fluid, water, and chemicals attached to the distal end surface of the endoscope to the outside.

かかる目的を達成するために、本発明は、内視鏡の先端部の外周面に着脱可能に装着される装着部と、該装着部の先端から前記内視鏡の前方に向けて突出する突出部とを備える筒状の内視鏡用アダプタであって、前記装着部は、前記突出部の内周面と前記内視鏡の先端面とで形成される内部空間に開口し、基端へ向けて内周面に凹設された少なくとも一つの排液溝と、各該排液溝に連結され、前記装着部を厚さ方向に貫通して外周面に連通する少なくとも一つの排液孔とを備え、前記排液溝及び前記排液孔は、前記内視鏡の先端面に付着した体液、水、薬液等の液体が毛管現象により外部に排出されるように形成されていることを特徴とする。   To achieve this object, the present invention provides a mounting portion that is detachably mounted on the outer peripheral surface of a distal end portion of an endoscope, and a protrusion that projects from the distal end of the mounting portion toward the front of the endoscope. A cylindrical endoscope adapter, wherein the mounting portion opens into an internal space formed by an inner peripheral surface of the projecting portion and a distal end surface of the endoscope, and toward the proximal end At least one drainage groove that is recessed in the inner peripheral surface, and at least one drainage hole that is connected to each drainage groove and communicates with the outer peripheral surface through the mounting portion in the thickness direction. The drainage groove and the drainage hole are formed so that liquids such as body fluid, water, and chemicals attached to the distal end surface of the endoscope are discharged to the outside by capillary action. And

本発明によれば、前記排液溝が、前記突出部の内周面と前記内視鏡の先端面とで形成される内部空間に開口し、前記装着部の基端へ向けて前記装着部の内周面に凹設されているとともに、前記装着部の外周面に連通する前記排液孔に連結されているので、前記内視鏡の先端面に付着した体液、水、薬液等の液体を毛管現象により確実に外部に排出することができる。従って、内視鏡の視界が良好となり、処置を円滑に行うことができる。   According to the present invention, the drainage groove opens into an internal space formed by the inner peripheral surface of the projecting portion and the distal end surface of the endoscope, and the mounting portion faces the proximal end of the mounting portion. And is connected to the drainage hole communicating with the outer peripheral surface of the mounting portion, so that liquids such as body fluid, water, and chemical solution attached to the distal end surface of the endoscope Can be reliably discharged to the outside by capillary action. Therefore, the visibility of the endoscope is improved and treatment can be performed smoothly.

本発明においては、前記排液溝は、０．３〜１．３ｍｍの範囲の幅と、０．５〜１．５ｍｍの範囲の深さとを備え、前記排液孔は、０．３〜１．３ｍｍの範囲の直径を備えることが望ましい。前記排液溝及び前記排液孔をこのような範囲の寸法とすることにより、体液、水、薬液等の量、種類等によって前記液体の粘度が変わっても、該液体の粘度に関係なく該液体を毛管現象により確実に外部に排出させることができる。   In the present invention, the drainage groove has a width in the range of 0.3 to 1.3 mm and a depth in the range of 0.5 to 1.5 mm, and the drainage hole has a width of 0.3 to 1. It is desirable to have a diameter in the range of 3 mm. By setting the drainage groove and the drainage hole in such a range, even if the viscosity of the liquid changes depending on the amount, type, etc. of body fluid, water, chemical solution, etc., the viscosity is not related to the viscosity of the liquid. The liquid can be reliably discharged to the outside by capillary action.

前記排液溝の幅と前記排液溝の深さと前記排水孔の直径とのいずれかが前記範囲を下回る場合には、前記液体が毛管現象により外部に排出されるものの、排出量が少ないために排出が不十分となることがある。また、前記排液溝の幅と前記排液溝の深さと前記排水孔の直径とのいずれかが前記範囲を上回る場合には、毛管現象が不十分となり、前記液体が外部に排出されないことがある。   If any of the width of the drainage groove, the depth of the drainage groove, and the diameter of the drainage hole is below the range, the liquid is discharged to the outside by capillary action, but the discharge amount is small. In some cases, the discharge becomes insufficient. In addition, when any of the width of the drainage groove, the depth of the drainage groove, and the diameter of the drainage hole exceeds the range, the capillary phenomenon becomes insufficient, and the liquid may not be discharged to the outside. is there.

また、本発明においては、前記装着部は、等間隔に配置された複数の前記排液溝を備えることが望ましい。前記排液溝を複数備えるので、前記液体が多量に発生した場合でも円滑に排出を行うことができる上に、前記排液溝が等間隔に配置されているので、内視鏡における全視野を良好にさせることができる。   Moreover, in this invention, it is desirable that the said mounting part is equipped with the said several drainage groove | channel arrange | positioned at equal intervals. Since a plurality of the drainage grooves are provided, the liquid can be smoothly discharged even when a large amount of the liquid is generated, and the drainage grooves are arranged at equal intervals, so that the entire field of view in the endoscope can be obtained. It can be made good.

次に、添付の図面を参照しながら本発明の実施形態についてさらに詳しく説明する。図1は本実施形態の内視鏡用アダプタを示す説明図であり、図１（ａ）は側面図であり、図１（ｂ）は正面図である。図２は、本実施形態の内視鏡用アダプタのバリエーションを示す説明図である。   Next, embodiments of the present invention will be described in more detail with reference to the accompanying drawings. FIG. 1 is an explanatory view showing an endoscope adapter of the present embodiment, FIG. 1 (a) is a side view, and FIG. 1 (b) is a front view. FIG. 2 is an explanatory view showing a variation of the endoscope adapter of the present embodiment.

図１示の内視鏡用アダプタ１は、内視鏡Ｅの先端部Ｅａの外周面に着脱可能に装着される小内径の装着部２と、装着部２の先端２ａから内視鏡Ｅの前方に向けて突出する大内径の突出部３とを備え、例えばシリコーンゴムのような軟質樹脂製の筒体からなる。内視鏡用アダプタ１は、使用目的に応じて内視鏡Ｅの先端部Ｅａから１〜４ｍｍ突出させて装着される。内視鏡用アダプタ１は、先端側１ａにさらにフード（図示せず）を備えるものであってもよい。   The endoscope adapter 1 shown in FIG. 1 includes a small-inner-diameter mounting portion 2 that is detachably mounted on the outer peripheral surface of the distal end portion Ea of the endoscope E, and the endoscope E from the distal end 2a of the mounting portion 2. And a projecting portion 3 having a large inner diameter projecting toward the front, and is made of a cylindrical body made of a soft resin such as silicone rubber. The endoscope adapter 1 is mounted so as to protrude 1 to 4 mm from the distal end Ea of the endoscope E according to the purpose of use. The endoscope adapter 1 may further include a hood (not shown) on the distal end side 1a.

装着部２は、突出部３の内周面３ａと内視鏡Ｅの先端面Ｅａとで形成される内部空間Ｓに開口し、基端２ｂへ向けて内周面２ｃに凹設された排液溝４を４つ備える。具体的には、排液溝４は、小内径の装着部２と大内径の突出部３との間の壁面である装着部２の先端２ａに開口し、周方向に等間隔に配置されている。各排液溝４は、０．３〜１．３ｍｍの範囲の幅Ｗと、０．５〜１．５ｍｍの範囲の深さＨとすることができ、本実施形態では、幅Ｗが０．８ｍｍ、深さＨが０．８ｍｍとなっている。本実施形態では、各排液溝４は同一の寸法を備えているが、上記範囲内であれば互いに異なる寸法であってもよい。   The mounting portion 2 opens to an internal space S formed by the inner peripheral surface 3a of the projecting portion 3 and the distal end surface Ea of the endoscope E, and is a recess provided in the inner peripheral surface 2c toward the base end 2b. Four liquid grooves 4 are provided. Specifically, the drainage groove 4 opens at the tip 2a of the mounting portion 2 which is a wall surface between the small inner diameter mounting portion 2 and the large inner diameter protrusion 3 and is arranged at equal intervals in the circumferential direction. Yes. Each drainage groove 4 can have a width W in the range of 0.3 to 1.3 mm and a depth H in the range of 0.5 to 1.5 mm. In this embodiment, the width W is 0.00. The depth is 8 mm and the depth H is 0.8 mm. In the present embodiment, each drainage groove 4 has the same dimensions, but may have different dimensions within the above range.

また、装着部２は、各排液溝４の途中に連結され、該装着部２を厚さ方向に貫通して外周面２ｄに連通する少なくとも一つの排液孔５とを備える。各排液孔５は、０．３〜１．３ｍｍの範囲の直径Ｄとすることができ、本実施形態では直径Ｄが０．８ｍｍとなっている。   The mounting portion 2 includes at least one drainage hole 5 that is connected in the middle of each drainage groove 4 and passes through the mounting portion 2 in the thickness direction and communicates with the outer peripheral surface 2d. Each drain hole 5 can have a diameter D in the range of 0.3 to 1.3 mm. In the present embodiment, the diameter D is 0.8 mm.

排液溝４は、内視鏡Ｅの先端面Ｅａに付着した体液、水、薬液等の液体が、毛管現象により開口から基端２ｂ側へ流れていき、排液孔５から排出されるように形成されている。   In the drainage groove 4, liquids such as body fluid, water, and chemical solution attached to the distal end surface Ea of the endoscope E flow from the opening to the base end 2 b side by capillary action and are discharged from the drainage hole 5. Is formed.

次に、本実施形態の内視鏡用アダプタ１の使用状態について説明する。内視鏡用アダプタ１は、内視鏡的粘膜切除術においては、該切除術で使用されるナイフと被処置部の粘膜との空間を確保するために用いられる。内視鏡的検査及び観察においては、内視鏡Ｅの先端面Ｅｂに設けられた対物レンズ（図示せず）と被処置部の粘膜とが近接又は密着して該対物レンズの焦点が定まらなくなることにより該対物レンズの出力画面が真っ赤になって視界不良となる現象を防止するために用いられる。狭帯域光観察においては、前記対物レンズと粘膜表層の毛細血管及び粘膜との距離を確保するために用いられる。   Next, the use state of the adapter 1 for endoscopes of this embodiment is demonstrated. In the endoscopic mucosal resection, the endoscope adapter 1 is used to secure a space between the knife used in the resection and the mucous membrane of the treated portion. In the endoscopic examination and observation, the objective lens (not shown) provided on the distal end surface Eb of the endoscope E and the mucous membrane of the treatment target are close to or in close contact with each other so that the objective lens cannot be focused. This is used to prevent a phenomenon in which the output screen of the objective lens becomes red and the field of view becomes poor. In narrow-band light observation, it is used to ensure the distance between the objective lens and the capillaries and mucous membranes on the surface of the mucosa.

上記の処置の際、被処置部から流れ出た血液を洗い流すために被処置部に供給した水や体液（血液、リンパ液、組織液）、薬液等の液体が、内視鏡Ｅの先端面Ｅａに付着する。本実施形態の内視鏡用アダプタ１は、排液溝４が、突出部３の内周面３ａと内視鏡Ｅの先端面Ｅａとで形成される内部空間Ｓに開口し、装着部２の基端２ｂへ向けて装着部２の内周面２ｃに凹設されているとともに、装着部２の外周面２ｄに連通する排液孔５に連結されているので、内視鏡Ｅの先端面Ｅａに付着した体液、水、薬液等の液体を毛管現象により確実に外部に排出することができる。従って、内視鏡Ｅの視界が良好となり、処置を円滑に行うことができる。   During the above treatment, water such as water, body fluid (blood, lymph fluid, tissue fluid), or liquid medicine supplied to the treatment site to wash away blood that has flowed out from the treatment site adheres to the distal end surface Ea of the endoscope E. To do. In the endoscope adapter 1 of the present embodiment, the drainage groove 4 opens into the internal space S formed by the inner peripheral surface 3a of the protruding portion 3 and the distal end surface Ea of the endoscope E, and the mounting portion 2 Since it is recessed in the inner peripheral surface 2c of the mounting portion 2 toward the base end 2b of the mounting portion 2 and is connected to the drainage hole 5 communicating with the outer peripheral surface 2d of the mounting portion 2, the distal end of the endoscope E Liquids such as body fluids, water, and chemicals attached to the surface Ea can be reliably discharged to the outside by capillary action. Therefore, the field of view of the endoscope E is improved and treatment can be performed smoothly.

また、本願発明者らは、排液溝４の幅Ｗ、深さＨ、及び排液孔５の直径Ｄについて様々な寸法で試した結果、上記範囲の寸法が前記液体の毛管現象による排出に適していることを知見した。排液溝４及び排液孔５を上記範囲の寸法とすることにより、体液、水、薬液等の量及び種類により前記液体の粘度が変わっても、該液体を毛管現象により確実に外部に排出させることができる。   In addition, the inventors of the present invention have tried various dimensions for the width W and depth H of the drainage groove 4 and the diameter D of the drainage hole 5, and as a result, the dimensions in the above range are effective for discharging the liquid by capillary action. I found it suitable. By setting the drainage grooves 4 and the drainage holes 5 within the above ranges, even if the viscosity of the liquid changes depending on the amount and type of body fluid, water, chemicals, etc., the liquid is surely discharged to the outside by capillary action. Can be made.

また、排液溝４の数は１つ以上であればいくつでもよいが、本実施形態では、排液溝４を４つ備えるので、前記液体が多量に発生した場合でも円滑に排出を行うことができる。また、各排液溝４が等間隔に配置されているので、内視鏡Ｅにおける全視野を良好にさせることができる。   Further, the number of drainage grooves 4 may be any number as long as it is one or more, but in this embodiment, since four drainage grooves 4 are provided, even when a large amount of the liquid is generated, the liquid can be smoothly discharged. Can do. Moreover, since each drainage groove | channel 4 is arrange | positioned at equal intervals, the whole visual field in the endoscope E can be made favorable.

また、排液溝４は、例えば、装着部２の内周面２ｃを先端２ａから基端２ｂへ向けて軸方向に切削することにより形成可能であるので、製造容易である。また、内視鏡用アダプタ１を金型により形成する場合も、型の構成を簡易なものとすることができる。排液溝４は、本実施形態では、装着部２の内周面２ｃを先端２ａから基端２ｂまで軸方向全体に亘って凹設されたものとなっているが、先端２ａから排液孔５まで凹設されたものであってもよい。   Further, the drainage groove 4 can be formed, for example, by cutting the inner peripheral surface 2c of the mounting portion 2 in the axial direction from the distal end 2a to the base end 2b, and thus is easy to manufacture. Moreover, also when forming the adapter 1 for endoscopes with a metal mold | die, the structure of a type | mold can be simplified. In this embodiment, the drainage groove 4 is formed by recessing the inner peripheral surface 2c of the mounting portion 2 from the tip 2a to the base end 2b in the entire axial direction. It may be recessed up to 5.

また、本実施形態では、小内径の装着部２と大内径の突出部３とを備える筒体としたが、図２示のように、装着部２から突出部３に向けて拡径する拡径部６を備える筒体とし、突出部３の内周面３ａと拡径部６の内周面６ａと内視鏡Ｅの先端面Ｅａとで形成される内部空間Ｓに排液溝４を開口させるようにしてもよい。このような筒体であっても、内視鏡Ｅの先端面Ｅａに付着した前記液体を、拡径部６の内周面６ａを介して排液溝４及び排液孔５により外部に排出させることができる。   Further, in the present embodiment, the cylindrical body is provided with the mounting portion 2 having a small inner diameter and the protruding portion 3 having a large inner diameter. However, as illustrated in FIG. 2, the diameter is increased from the mounting portion 2 toward the protruding portion 3. A drainage groove 4 is formed in the internal space S formed by the inner peripheral surface 3a of the projecting portion 3, the inner peripheral surface 6a of the enlarged diameter portion 6, and the distal end surface Ea of the endoscope E. You may make it open. Even in such a cylindrical body, the liquid adhering to the distal end surface Ea of the endoscope E is discharged to the outside by the drainage groove 4 and the drainage hole 5 through the inner peripheral surface 6a of the enlarged diameter portion 6. Can be made.

また、図示しないが、装着部と突出部とが同径の筒体であってもよい。また、このとき、排液溝は、突出部の内周面と内視鏡の先端面とで形成される内部空間に開口し、突出部の先端から装着部の基端まで、即ち筒体の全長に亘って連続して内周面に凹設されるように形成してもよい。   Although not shown, the mounting portion and the protruding portion may be a cylindrical body having the same diameter. Further, at this time, the drainage groove opens into an internal space formed by the inner peripheral surface of the protruding portion and the distal end surface of the endoscope, and extends from the distal end of the protruding portion to the proximal end of the mounting portion, that is, the cylindrical body. You may form so that it may be recessed in an internal peripheral surface continuously over the full length.

本実施形態の内視鏡用アダプタを示す説明図。Explanatory drawing which shows the adapter for endoscopes of this embodiment. 本実施形態の内視鏡用アダプタのバリエーションを示す説明図。Explanatory drawing which shows the variation of the adapter for endoscopes of this embodiment. 従来技術の内視鏡用アダプタ及びフードを示す説明図。Explanatory drawing which shows the adapter and hood for endoscopes of a prior art.

符号の説明Explanation of symbols

１…内視鏡用アダプタ、 ２…装着部、 ２ａ…装着部の先端、 ２ｂ…装着部の基端、 ２ｃ…装着部の内周面、 ２ｄ…装着部の外周面、 ３…突出部、 ３ａ…突出部の内周面、 ４…排液溝、 ５…排液孔、 Ｅ…内視鏡、 Ｅａ…内視鏡の内周面、 Ｓ…内部空間。   DESCRIPTION OF SYMBOLS 1 ... Endoscope adapter, 2 ... Mounting part, 2a ... Tip of mounting part, 2b ... Base end of mounting part, 2c ... Inner peripheral surface of mounting part, 2d ... Outer peripheral surface of mounting part, 3 ... Projection part, Reference numeral 3a: an inner peripheral surface of the protrusion, 4: a drainage groove, 5: a drainage hole, E: an endoscope, Ea: an inner peripheral surface of the endoscope, S: an internal space

Claims (3)

内視鏡の先端部の外周面に着脱可能に装着される装着部と、該装着部の先端から前記内視鏡の前方に向けて突出する突出部とを備える筒状の内視鏡用アダプタであって、
前記装着部は、前記突出部の内周面と前記内視鏡の先端面とで形成される内部空間に開口し、基端へ向けて内周面に凹設された少なくとも一つの排液溝と、各該排液溝に連結され、前記装着部を厚さ方向に貫通して外周面に連通する少なくとも一つの排液孔とを備え、
前記排液溝及び前記排液孔は、前記内視鏡の先端面に付着した体液、水、薬液等の液体が毛管現象により外部に排出されるように形成されていることを特徴とする内視鏡用アダプタ。 A cylindrical endoscope adapter comprising: a mounting portion that is detachably mounted on the outer peripheral surface of the distal end portion of the endoscope; and a protruding portion that protrudes from the distal end of the mounting portion toward the front of the endoscope. Because
The mounting portion opens in an internal space formed by the inner peripheral surface of the projecting portion and the distal end surface of the endoscope, and is at least one drainage groove recessed in the inner peripheral surface toward the proximal end And at least one drainage hole connected to each drainage groove, penetrating the mounting portion in the thickness direction and communicating with the outer peripheral surface,
The drainage groove and the drainage hole are formed so that liquids such as body fluid, water, and chemical solution attached to the distal end surface of the endoscope are discharged to the outside by capillary action. Endoscope adapter. 前記排液溝は、０．３〜１．３ｍｍの範囲の幅と、０．５〜１．５ｍｍの範囲の深さとを備え、
前記排液孔は、０．３〜１．３ｍｍの範囲の直径を備えることを特徴とする請求項１記載の内視鏡用アダプタ。 The drainage groove has a width in the range of 0.3 to 1.3 mm and a depth in the range of 0.5 to 1.5 mm,
The endoscope adapter according to claim 1, wherein the drainage hole has a diameter in a range of 0.3 to 1.3 mm. 前記装着部は、等間隔に配置された複数の前記排液溝を備えることを特徴とする請求項１又は請求項２記載の内視鏡用アダプタ。   The endoscope adapter according to claim 1, wherein the mounting portion includes a plurality of the drainage grooves arranged at equal intervals.
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DE112007003459.9T DE112007003459B4 (en) 2007-04-27 2008-04-28 Adapter for endoscope
TW097115569A TWI400055B (en) 2007-04-27 2008-04-28 Endoscopic adapter

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JP2016187535A (en) * 2015-03-30 2016-11-04 住友ベークライト株式会社 Endoscope hood and endoscope with hood
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TWI400055B (en) 2013-07-01
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