JP3222751U - Nasogastric tube structure - Google Patents

Nasogastric tube structure Download PDF

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JP3222751U
JP3222751U JP2019002112U JP2019002112U JP3222751U JP 3222751 U JP3222751 U JP 3222751U JP 2019002112 U JP2019002112 U JP 2019002112U JP 2019002112 U JP2019002112 U JP 2019002112U JP 3222751 U JP3222751 U JP 3222751U
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nasogastric tube
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施長碧
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Abstract

【課題】経鼻内視鏡を胃部に挿入することができる経鼻胃管構造を提供する。【解決手段】経鼻胃管構造は、中空状の第1の管体1と、挟持部材2と、位置決め部材3とを備える。第1の管体1の前後両端には、開口部11が設けられる。前端の開口部11は、絞り部状を呈する。第1の管体1は、前端の開口部11に隣接した箇所に1つ以上の貫通孔13が管壁に貫通されて形成される。第1の管体1は、後端の開口部12に隣接した嵌合溝15が管壁上に形成される。挟持部材2は、互いに対応した2つの位置決め段部21を有する。2つの位置決め段部21間には、断面がC字状のリング段部22が設けられる。リング段部22は、第1の管体1の嵌合溝15に対応して嵌設される。位置決め部材3を2つの位置決め段部21上に同時に嵌設し、2つの位置決め段部21を可及的に近づけてリング段部22に挟力を発生させる。【選択図】図1The present invention provides a nasogastric tube structure in which a nasoscope can be inserted into the stomach. A nasogastric tube structure includes a hollow first tube body 1, a sandwiching member 2, and a positioning member 3. Openings 11 are provided at both front and rear ends of the first tubular body 1. The opening 11 at the front end has a throttle shape. The first tubular body 1 is formed by penetrating one or more through holes 13 at a location adjacent to the opening 11 at the front end. As for the 1st pipe body 1, the fitting groove | channel 15 adjacent to the opening part 12 of a rear end is formed on a pipe wall. The clamping member 2 has two positioning step portions 21 corresponding to each other. Between the two positioning step portions 21, a ring step portion 22 having a C-shaped cross section is provided. The ring step portion 22 is fitted in correspondence with the fitting groove 15 of the first tubular body 1. The positioning member 3 is fitted on the two positioning step portions 21 at the same time, and the two positioning step portions 21 are brought as close as possible to generate a pinching force on the ring step portion 22. [Selection] Figure 1

Description

本考案は、経鼻胃管構造であって、特に、経鼻内視鏡を胃部に挿入することができる経鼻胃管構造に関する。   The present invention relates to a nasogastric tube structure, and more particularly to a nasogastric tube structure in which a nasal endoscope can be inserted into the stomach.

人又は動物は咀嚼嚥下が困難又は咳き込んでしまう場合、食事時間が長くなり、食事量が減り、栄養不良となったり、電解質又は水分が不足したりすることがあった。また、意識を失って食べ物を飲み込むことができない場合、医者はそのような状況にある患者又は動物に経鼻胃管を挿入し、経鼻胃管を介して流動性のある栄養剤を患者又は動物の胃部に直接送り込む。これによって、患者又は動物が食事する際に咳き込むことを防いで患者又は動物の生命を維持することができるため、介護を行う者は患者又は動物を介護する時間及び手間を減らすことができる。   If a person or animal has difficulty chewing or swallowing or coughing, the meal time may be prolonged, the amount of meal may be reduced, malnutrition may occur, or electrolyte or water may be insufficient. Also, if unconscious and unable to swallow food, the doctor inserts a nasogastric tube into the patient or animal in such a situation and gives fluid or nutrients to the patient or animal through the nasogastric tube. Feed directly into the stomach of the animal. As a result, the patient or animal can be prevented from coughing when eating, and the life of the patient or animal can be maintained, so that a caregiver can reduce the time and labor for caring for the patient or animal.

経鼻胃管とは、栄養剤を速やかに投与することができるチューブであるが、鼻腔から食道を通って胃部まで挿入しなければならないため、侵襲治療に属し、感染してしまう危険性があった。特に、患者又は動物が意識を失った状態では不注意から気管支に刺してしまっても、患者又は動物は意識がないため、医療従事者が気付きにくく、食べ物が肺に入ってしまうと吸引性肺炎が起き、患者又は動物の健康に大きな悪影響を及ぼす虞があった。そのため、経鼻胃管を胃部に挿入する際に発生する感染の危険性を減らすことが求められていた。   Nasogastric tube is a tube that can quickly administer nutrients, but it must be inserted from the nasal passage through the esophagus to the stomach, so it belongs to invasive treatment and there is a risk of infection. there were. In particular, if the patient or animal loses consciousness, even if the patient or animal is inadvertently stabbed into the bronchus, the patient or animal is not conscious. May have a serious adverse effect on the health of patients or animals. Therefore, there has been a demand for reducing the risk of infection that occurs when a nasogastric tube is inserted into the stomach.

本考案者は、胃腸科が専門の医師であり、従来の経鼻胃管を実際に使用する際に起きる問題点と、臨床上、経鼻胃管を取付けるときの実際の状況に鑑み、専門家の知見に基づき、飽きることなく絶えず努力した結果、本考案を想到するに至った。   The inventor is a doctor who specializes in gastroenterology and is specialized in view of the problems that occur when using a conventional nasogastric tube and the actual situation when installing a nasogastric tube clinically. As a result of constant efforts based on the knowledge of the house, he came up with the idea of the present invention.

本考案の主な目的は、経鼻内視鏡と結合し、経鼻内視鏡のレンズと、その進行方向を制御する特性を利用し、経鼻内視鏡を胃部までスムーズに挿入させることができる経鼻胃管構造を提供することにある。   The main purpose of the present invention is to insert the nasal endoscope smoothly into the stomach by using the lens of the nasal endoscope and the characteristic of controlling the direction of travel, coupled with the nasal endoscope. It is to provide a nasogastric tube structure that can be used.

上記課題を解決するために、本考案の第1の形態によれば、中空状の第1の管体と、挟持部材と、位置決め部材と、を備えた経鼻胃管構造であって、前記第1の管体の前後両端には、開口部が設けられ、前端の前記開口部は、絞り部状を呈し、前記第1の管体は、前端の前記開口部に隣接した箇所に1つ以上の貫通孔が管壁に貫通されて形成され、前記第1の管体は、後端の前記開口部に隣接した嵌合溝が管壁上に形成され、前記挟持部材は、互いに対応した2つの位置決め段部を有し、2つの前記位置決め段部間には、断面がC字状のリング段部が設けられ、前記リング段部は、前記第1の管体の嵌合溝に対応して嵌設され、前記位置決め部材を2つの前記位置決め段部上に同時に嵌設し、2つの前記位置決め段部を可及的に近づけて前記リング段部に挟力を発生させることを特徴とする経鼻胃管構造を提供する。   In order to solve the above problems, according to a first aspect of the present invention, there is a nasogastric tube structure comprising a hollow first tube body, a sandwiching member, and a positioning member, Openings are provided at both front and rear ends of the first tubular body, the opening at the front end has a throttle shape, and one first tubular body is provided at a location adjacent to the opening at the front end. The above through-holes are formed by penetrating through the tube wall, the first tube has a fitting groove formed on the tube wall adjacent to the opening at the rear end, and the holding members correspond to each other. There are two positioning step portions, and a ring step portion having a C-shaped cross section is provided between the two positioning step portions, and the ring step portion corresponds to the fitting groove of the first tubular body. The positioning member is simultaneously fitted on the two positioning step portions, and the two positioning step portions are brought as close as possible to Providing NGT structure, characterized in that to generate a clamping force to the ring step portion.

本考案の経鼻胃管構造は、経鼻内視鏡に外嵌されて固定され、経鼻内視鏡上のレンズを利用して画像を送信し、進行方向を制御する特性を有する。これによって、医療従事者がスムーズに経鼻胃管を胃部に挿入し、経鼻胃管の取付けを円滑かつ便利に行い、感染の危険性を減らすことができる。   The nasogastric tube structure of the present invention is fitted and fixed to a nasal endoscope, and has a characteristic of transmitting an image using a lens on the nasal endoscope and controlling the traveling direction. As a result, the medical staff can smoothly insert the nasogastric tube into the stomach, smoothly and conveniently attach the nasogastric tube, and reduce the risk of infection.

本考案の一実施形態に係る経鼻胃管及び経鼻内視鏡を示す分解斜視図である。1 is an exploded perspective view showing a nasogastric tube and a nasal endoscope according to an embodiment of the present invention. 本考案の一実施形態に係る経鼻胃管を経鼻内視鏡に外嵌し、位置決め部材が2つの位置決め段部に未だ固定されてない状態を示す分解斜視図である。1 is an exploded perspective view showing a state in which a nasogastric tube according to an embodiment of the present invention is externally fitted to a nasal endoscope and a positioning member is not yet fixed to two positioning steps. FIG. 本考案の一実施形態に係る経鼻胃管を経鼻内視鏡に外嵌し、位置決め部材が2つの位置決め段部に既に固定された状態を示す側面断面図である。It is side surface sectional drawing which shows the state by which the nasogastric tube which concerns on one Embodiment of this invention was externally fitted to the nasal endoscope, and the positioning member was already fixed to two positioning step parts. 本考案の一実施形態に係る経鼻胃管の位置決め部材が2つの位置決め段部に未だ固定されていない状態と、2つの位置決め段部に既に固定された状態を示す正面断面図である。It is front sectional drawing which shows the state in which the positioning member of the nasogastric tube which concerns on one Embodiment of this invention is not yet fixed to two positioning step parts, and the state already fixed to two positioning step parts. 本考案の一実施形態に係る経鼻胃管の別の位置決め部材を示す斜視図である。It is a perspective view which shows another positioning member of the nasogastric tube which concerns on one Embodiment of this invention. 図5の他の位置決め部材が2つの位置決め段部に未だ固定されていない状態と、2つの位置決め段部に既に固定された状態を示す正面断面図である。FIG. 6 is a front cross-sectional view showing a state where the other positioning members of FIG. 5 are not yet fixed to two positioning step portions and a state where they are already fixed to two positioning step portions. 第1の管体の前端に配設した端カバー(1)を示す分解斜視図である。It is a disassembled perspective view which shows the end cover (1) arrange | positioned at the front end of the 1st tubular body. 図7の状態下で、経鼻胃管を経鼻内視鏡に外嵌し、位置決め部材が2つの位置決め段部に未だ固定されてない状態を示す分解斜視図である。FIG. 8 is an exploded perspective view showing a state in which a nasogastric tube is externally fitted to a nasal endoscope under the state of FIG. 7 and a positioning member is not yet fixed to two positioning steps. 第1の管体の前端に配設した端カバー(1)を示す拡大図である。It is an enlarged view which shows the end cover (1) arrange | positioned at the front end of the 1st tubular body. 第1の管体の前端に配設した端カバー(2)の経鼻胃管を示す分解斜視図である。It is a disassembled perspective view which shows the nasogastric tube of the end cover (2) arrange | positioned at the front end of the 1st tubular body. 第1の管体の前端に配設した端カバー(3)の経鼻胃管を示す分解斜視図である。It is a disassembled perspective view which shows the nasogastric tube of the end cover (3) arrange | positioned at the front end of the 1st tubular body. 第1の管体の前端に配設した端カバー(3)を示す拡大図である。It is an enlarged view which shows the end cover (3) arrange | positioned at the front end of the 1st tubular body. 第1の管体の前端に配設した端カバー(4)の経鼻胃管を示す分解斜視図である。It is a disassembled perspective view which shows the nasogastric tube of the end cover (4) arrange | positioned at the front end of the 1st tube. 第1の管体の後段部の管径が第1の管体の前段部の管径より大きい経鼻胃管を示す分解斜視図である。It is a disassembled perspective view which shows the nasogastric tube where the tube diameter of the back | latter stage part of a 1st tube body is larger than the tube diameter of the front | former part of a 1st tube body. 第1の管体の前段部の管径が前端部の開口部から前から後方にかけて軸方向で次第に小さくなってから次第に大きくなった円弧状の凹部の経鼻胃管を示す分解斜視図である。FIG. 5 is an exploded perspective view showing a nasogastric tube having an arc-shaped concave portion in which the tube diameter of the front stage portion of the first tube body gradually decreases in the axial direction from the front end to the rear end and gradually increases in the axial direction. . 図15の状態下で、経鼻胃管を経鼻内視鏡に外嵌し、位置決め部材が2つの位置決め段部に未だ固定されてない状態を示す斜視図である。FIG. 16 is a perspective view showing a state in which a nasogastric tube is externally fitted to a nasal endoscope under the state of FIG. 15 and a positioning member is not yet fixed to two positioning steps. 図15の状態下で、経鼻胃管を経鼻内視鏡に外嵌し、位置決め部材が2つの位置決め段部に既に固定された状態を示す断面図である。FIG. 16 is a cross-sectional view showing a state in which a nasogastric tube is externally fitted to a nasal endoscope under the state of FIG. 15 and a positioning member is already fixed to two positioning steps. 細管状の経鼻胃管であり、曲げることが可能な可撓段部を前段部に有する分解斜視図である。FIG. 5 is an exploded perspective view of a narrow tubular nasogastric tube having a flexible step portion that can be bent at the front step portion. 可撓段部の断面が鋸歯状を呈する蛇腹管体を示す断面図である。It is sectional drawing which shows the bellows pipe body in which the cross section of a flexible step part exhibits a sawtooth shape. 可撓段部の断面が円弧状を呈する蛇腹管体を示す断面図である。It is sectional drawing which shows the bellows tube which the cross section of a flexible step part exhibits circular arc shape. 太管状の経鼻胃管であり、曲げることが可能な可撓段部を前段部に有する分解斜視図である。FIG. 5 is an exploded perspective view of a thick tube-shaped nasogastric tube having a flexible step portion that can be bent at the front step portion. 太管状の経鼻胃管であり、図15〜図17に示す経鼻胃管の実施形態を示す斜視図である。FIG. 18 is a perspective view showing an embodiment of the nasogastric tube shown in FIGS.

まず、図1〜図4を参照する。図1は、本考案の一実施形態に係る経鼻胃管及び経鼻内視鏡を示す分解斜視図である。図2は、本考案の一実施形態に係る経鼻胃管を経鼻内視鏡に外嵌し、位置決め部材が2つの位置決め段部に未だ固定されてない状態を示す分解斜視図である。図3は、本考案の一実施形態に係る経鼻胃管を経鼻内視鏡に外嵌し、位置決め部材が2つの位置決め段部に既に固定された状態を示す側面断面図である。図4は、本考案の一実施形態に係る経鼻胃管の位置決め部材が2つの位置決め段部に未だ固定されていない状態と、2つの位置決め段部に既に固定された状態を示す正面断面図である。   First, reference will be made to FIGS. FIG. 1 is an exploded perspective view showing a nasogastric tube and a nasal endoscope according to an embodiment of the present invention. FIG. 2 is an exploded perspective view showing a state in which a nasogastric tube according to an embodiment of the present invention is externally fitted to a nasal endoscope, and a positioning member is not yet fixed to two positioning steps. FIG. 3 is a side cross-sectional view showing a state in which a nasogastric tube according to an embodiment of the present invention is externally fitted to a nasal endoscope, and a positioning member is already fixed to two positioning steps. FIG. 4 is a front cross-sectional view illustrating a state in which a positioning member of a nasogastric tube according to an embodiment of the present invention is not yet fixed to two positioning steps, and a state in which the positioning member is already fixed to two positioning steps. It is.

図1〜図4に示すように、本考案の一実施形態に係る経鼻胃管構造は、少なくとも中空状の第1の管体1と、挟持部材2と、位置決め部材3と、から構成されてなる。   As shown in FIGS. 1 to 4, the nasogastric tube structure according to an embodiment of the present invention is composed of at least a hollow first tube 1, a clamping member 2, and a positioning member 3. It becomes.

第1の管体1の前後両端には、開口部11,12が設けられている。前端の開口部11は、絞り部状を呈し、第1の管体1中に挿入された経鼻内視鏡4の先端のレンズが露出されるが、開口部11から外方に突出されることを防ぐ。第1の管体1は、前端の開口部11に隣接した箇所に1つ以上の貫通孔13が管壁に貫通されて形成されている。第1の管体1は、後端の開口部12に隣接した箇所にストッパリング14が管壁に形成されている。ストッパリング14は、複数の穿孔141を有する。第1の管体1の管壁には、ストッパリング14に隣接した箇所に嵌合溝15が形成されている。   Openings 11 and 12 are provided at both front and rear ends of the first tubular body 1. The opening 11 at the front end has a diaphragm shape, and the lens at the tip of the nasal endoscope 4 inserted into the first tube 1 is exposed, but protrudes outward from the opening 11. To prevent that. The first tubular body 1 is formed by penetrating one or more through holes 13 at a location adjacent to the opening 11 at the front end. In the first tube 1, a stopper ring 14 is formed on the tube wall at a location adjacent to the opening 12 at the rear end. The stopper ring 14 has a plurality of perforations 141. A fitting groove 15 is formed at a location adjacent to the stopper ring 14 in the tube wall of the first tube body 1.

挟持部材2は、互いに対応した2つの位置決め段部21を含む。2つの位置決め段部21間には、断面がC字状のリング段部22が接続されて設けられている。リング段部22は、第1の管体の嵌合溝15に対応して嵌設される。   The clamping member 2 includes two positioning step portions 21 corresponding to each other. A ring step portion 22 having a C-shaped cross section is connected between the two positioning step portions 21. The ring step portion 22 is fitted in correspondence with the fitting groove 15 of the first tubular body.

位置決め部材3を2つの位置決め段部21上に同時に嵌設し、2つの位置決め段部21を可及的に近づけてリング段部22に挟力を発生させ、この挟力により、第1の管体1内に挿設した経鼻内視鏡4を第1の管体1に位置決めし、経鼻内視鏡4が摺動して外れることを防ぐ。   The positioning member 3 is fitted on the two positioning step portions 21 at the same time, and the two positioning step portions 21 are brought as close as possible to generate a pinching force on the ring step portion 22. The nasal endoscope 4 inserted in the body 1 is positioned on the first tubular body 1 to prevent the nasal endoscope 4 from sliding off.

図1〜図4に示すように、本実施形態の2つの位置決め段部21の外表面には、雄ねじ部211が設けられている。位置決め部材3は、雌ねじ部31を有する。位置決め部材3は、雌ねじ部31が2つの位置決め段部21上の雄ねじ部211に対応して螺合されると、位置決め部材3が2つの位置決め段部21上に固定される。   As shown in FIGS. 1-4, the external thread part 211 is provided in the outer surface of the two positioning step parts 21 of this embodiment. The positioning member 3 has a female screw portion 31. In the positioning member 3, the positioning member 3 is fixed on the two positioning step portions 21 when the female screw portion 31 is screwed in correspondence with the male screw portions 211 on the two positioning step portions 21.

図5及び図6に示すように、本実施形態に係る位置決め部材3は、嵌合孔32を有する。嵌合孔32には、2つの位置決め段部21が嵌設され、位置決め部材3が2つの位置決め段部21上に固定される。   As shown in FIGS. 5 and 6, the positioning member 3 according to this embodiment has a fitting hole 32. Two positioning step portions 21 are fitted into the fitting holes 32, and the positioning member 3 is fixed on the two positioning step portions 21.

図1〜図4を参照する。図1〜図4に示すように、経鼻胃管を胃部まで挿入する際、経鼻胃管の第1の管体1を経鼻内視鏡4に外嵌すると、経鼻内視鏡4前端のレンズが第1の管体1の前端の開口部11から露出される。
開口部11の口径が経鼻内視鏡4の前端より小さいため、開口部11から経鼻内視鏡4が突出されることを防ぐ。続いて、挟持部材2のリング段部22を第1の管体1の嵌合溝15の周りに配設してから、位置決め部材3により挟持部材2の2つの位置決め段部21を固定し、挟持部材2に位置決め部材3を螺設すると、経鼻内視鏡4に第1の管体1が固定される。したがって、医療従事者が経鼻胃管を挿入する際、経鼻内視鏡4のレンズにより撮影されて送られてきた画像を介して経鼻胃管の現在位置を知り、経鼻内視鏡4により経鼻胃管の進行方向を判断することができるため、胃部まで経鼻胃管をスムーズに挿入することができる。
Please refer to FIGS. As shown in FIGS. 1 to 4, when the nasogastric tube is inserted into the stomach, when the first tube body 1 of the nasogastric tube is externally fitted to the nasal endoscope 4, the nasal endoscope 4 The front end lens is exposed from the opening 11 at the front end of the first tube 1.
Since the diameter of the opening 11 is smaller than the front end of the nasal endoscope 4, the nasal endoscope 4 is prevented from protruding from the opening 11. Subsequently, after arranging the ring step portion 22 of the clamping member 2 around the fitting groove 15 of the first tubular body 1, the positioning member 3 fixes the two positioning step portions 21 of the clamping member 2, When the positioning member 3 is screwed to the holding member 2, the first tube 1 is fixed to the nasal endoscope 4. Therefore, when a medical worker inserts a nasogastric tube, the current position of the nasogastric tube is known through an image taken by the lens of the nasoscope 4 and sent, and the nasoscope is inserted. 4 can determine the advancing direction of the nasogastric tube, so that the nasogastric tube can be smoothly inserted to the stomach.

経鼻胃管を胃部まで挿入した後、挟持部材2の位置決め段部21から位置決め部材3を取り外すと、経鼻胃管及び経鼻内視鏡4が挟持部材2により挟持されなくなるため、経鼻内視鏡4を抜き取ることができ、経鼻胃管だけを人体に残し、栄養剤の投与を行うことができる。   If the positioning member 3 is removed from the positioning step portion 21 of the holding member 2 after the nasogastric tube is inserted to the stomach, the nasogastric tube and the transnasal endoscope 4 will not be held by the holding member 2. The nasal endoscope 4 can be extracted, and only the nasogastric tube can be left in the human body to administer the nutrient.

図7〜図9を参照する。図7〜図9に示すように、本実施形態の第1の管体1の前端の開口部11には、円錐形の端カバー16が対応して嵌設される。端カバー16の表面には金属感光層が形成されているため、X線発生装置の照射により端カバー16の正確な位置を表示することができる。また、端カバー16は、経鼻内視鏡4が前端の開口部11からさらに突出することを防ぐことができる。   Please refer to FIG. As shown in FIGS. 7 to 9, a conical end cover 16 is fitted into the opening 11 at the front end of the first tubular body 1 of the present embodiment. Since the metal photosensitive layer is formed on the surface of the end cover 16, the exact position of the end cover 16 can be displayed by irradiation with the X-ray generator. Further, the end cover 16 can prevent the nasal endoscope 4 from further protruding from the opening 11 at the front end.

図10〜図13を参照する。図10〜図13は、様々な態様の端カバー16a,16b,16cを表示する。端カバー16aは、先端に頂面16a1を有するとともに、頂面16a1上に十字切り込み16a2が形成され、経鼻内視鏡4が前端の開口部11から突出されることを防ぐ。
端カバー16bは、錐形段部16b1の後方に円管段部16b2が接続され、錐形段部16b1の開口口径が経鼻内視鏡4の管径より小さいため、前端の開口部11から経鼻内視鏡4が突出されることを防ぐ。端カバー16cは、錐形段部16c1の後方に円管段部16c2が接続され、先端に頂面16c3が形成され、頂面16c3上には十字切り込み16c4が形成されている。
Please refer to FIG. 10-13 display the end covers 16a, 16b, 16c in various aspects. The end cover 16a has a top surface 16a1 at the tip and a cross cut 16a2 is formed on the top surface 16a1 to prevent the transnasal endoscope 4 from protruding from the opening 11 at the front end.
The end cover 16b has a circular tube step portion 16b2 connected to the rear side of the conical step portion 16b1, and the opening diameter of the conical step portion 16b1 is smaller than the tube diameter of the transnasal endoscope 4; The nasal endoscope 4 is prevented from protruding. The end cover 16c has a circular tube step portion 16c2 connected to the rear of the conical step portion 16c1, a top surface 16c3 formed at the tip, and a cross notch 16c4 formed on the top surface 16c3.

図1〜図3を参照する。図1〜図3に示す第1の管体1は、前端の開口部11から後端の開口部12にかけて管体の管径サイズは略同じである。   Please refer to FIG. The first tubular body 1 shown in FIGS. 1 to 3 has substantially the same tube diameter size from the opening 11 at the front end to the opening 12 at the rear end.

図14に示す第1の管体1は、後段部の管径が前段部の管径より大きい。   As for the 1st pipe body 1 shown in FIG. 14, the pipe diameter of a back | latter stage part is larger than the pipe diameter of a front | former stage part.

図15〜図17に示す第1の管体1は、前段部の管径が前端部の開口部11から後方へ向かって軸方向で次第に小さくなってから次第に大きくなり、段落部の管体は円弧状の凹部の形状に形成される。   The first tube 1 shown in FIGS. 15 to 17 has a tube diameter of the front portion that gradually increases in the axial direction from the opening 11 at the front end toward the rear, and gradually increases. It is formed in the shape of an arcuate recess.

図18に示すように、本考案の一実施形態に係る経鼻胃管構造は、第1の管体1の前段部に折曲げ可能な可撓段部17が設けられる。   As shown in FIG. 18, the nasogastric tube structure according to an embodiment of the present invention is provided with a flexible step portion 17 that can be bent at the front step portion of the first tube body 1.

図19に示す可撓段部17は、断面が鋸歯状の蛇腹管体である。図20に示す可撓段部17は、断面が円弧状の蛇腹管体である。   The flexible step portion 17 shown in FIG. 19 is a bellows tube having a sawtooth cross section. The flexible step portion 17 shown in FIG. 20 is a bellows tube having a circular cross section.

図18は、図1〜図3の第1の管体1に可撓段部17が設置された実施形態を示す。図21は、図14の第1の管体1に可撓段部17が設置された実施形態を示す。図22は、図15〜図17の第1の管体1に可撓段部17が設置された実施形態を示す。   FIG. 18 shows an embodiment in which a flexible step portion 17 is installed in the first tubular body 1 of FIGS. FIG. 21 shows an embodiment in which a flexible step portion 17 is installed in the first tubular body 1 of FIG. FIG. 22 shows an embodiment in which the flexible step portion 17 is installed in the first tubular body 1 of FIGS. 15 to 17.

図1〜図22に示すように、本実施形態の経鼻胃管は、第2の管体5及び結合部材6をさらに含み、第1の管体1の後端部に第1の結合端18が設けられてもよい。第2の管体5の前端部には、第2の結合端51が設けられる。結合部材6は中空の環状体であり、その内壁面には結合部61が設けられる。結合部材6の前後両端には、結合部61を介して第1の結合端18及び第2の結合端51が連結固定される。   As shown in FIGS. 1 to 22, the nasogastric tube of the present embodiment further includes a second tube 5 and a coupling member 6, and a first coupling end is provided at the rear end of the first tube 1. 18 may be provided. A second coupling end 51 is provided at the front end of the second tubular body 5. The coupling member 6 is a hollow annular body, and a coupling portion 61 is provided on the inner wall surface thereof. The first coupling end 18 and the second coupling end 51 are connected and fixed to both front and rear ends of the coupling member 6 via a coupling portion 61.

上述したことから分かるように、本考案の経鼻胃管構造は、結合部材6を利用することにより第1の管体1と第2の管体5とを可動可能に接合したり分離したりすることができる特徴を有する。
患者は、実際の状況に応じて第1の管体1と第2の管体5とを接合するか第2の管体5を取り除き、例えば、栄養剤を投与しない場合、第2の管体5を取り外すことができるため、第2の管体5が鼻の外側に垂れ下がることがない。そのため、患者の外観が他人と異なることによりじろじろ見られることを防ぐことができる上、患者は、第2の管体5を取り外してマスクを直接付けた場合、他人からは患者に経鼻胃管が取り付けられていることが分からないため、患者が恥ずかしい思いをすることがない。
As can be seen from the above, the nasogastric tube structure of the present invention uses the coupling member 6 to movably join and separate the first tube body 1 and the second tube body 5. It has the characteristics that can be done.
The patient joins the first tube body 1 and the second tube body 5 or removes the second tube body 5 according to the actual situation, for example, when no nutrient is administered, the second tube body Since 5 can be removed, the second tubular body 5 does not hang down outside the nose. Therefore, it is possible to prevent the patient's external appearance from being different from others, and in addition, when the patient removes the second tube 5 and directly attaches the mask, the other person gives the patient a nasogastric tube. The patient does not feel embarrassed because it is not known that is attached.

1 第1の管体
2 挟持部材
3 位置決め部材
4 経鼻内視鏡
5 第2の管体
6 結合部材
11 開口部
12 開口部
13 貫通孔
14 ストッパリング
15 嵌合溝
16 端カバー
16a 端カバー
16a1 頂面
16a2 十字切り込み
16b 端カバー
16b1 錐形段部
16b2 円管段部
16c 端カバー
16c1 錐形段部
16c2 円管段部
16c3 頂面
16c4 十字切り込み
17 可撓段部
18 第1の結合端
21 位置決め段部
22 リング段部
31 雌ねじ部
32 嵌合孔
51 第2の結合端
61 結合部
141 穿孔
211 雄ねじ部
DESCRIPTION OF SYMBOLS 1 1st pipe body 2 Holding member 3 Positioning member 4 Nasal endoscope 5 2nd pipe body 6 Connection member 11 Opening part 12 Opening part 13 Through-hole 14 Stopper ring 15 Fitting groove 16 End cover 16a End cover 16a1 Top surface 16a2 Cross notch 16b End cover 16b1 Conical step 16b2 Circular tube step 16c End cover 16c1 Conical step 16c2 Circular tube step 16c3 Top surface 16c4 Cross notch 17 Flexible step 18 First coupling end 21 Positioning step 21 22 ring step portion 31 female screw portion 32 fitting hole 51 second coupling end 61 coupling portion 141 perforation 211 male screw portion

Claims (7)

中空状の第1の管体と、挟持部材と、位置決め部材と、を備えた経鼻胃管構造であって、
前記第1の管体の前後両端には、開口部が設けられ、前端の前記開口部は、絞り部状を呈し、前記第1の管体は、前端の前記開口部に隣接した箇所に1つ以上の貫通孔が管壁に貫通されて形成され、前記第1の管体は、後端の前記開口部に隣接した嵌合溝が管壁上に形成され、
前記挟持部材は、互いに対応した2つの位置決め段部を有し、2つの前記位置決め段部間には、断面がC字状のリング段部が設けられ、前記リング段部は、前記第1の管体の嵌合溝に対応して嵌設され、
前記位置決め部材を2つの前記位置決め段部上に同時に嵌設し、2つの前記位置決め段部を可及的に近づけて前記リング段部に挟力を発生させることを特徴とする、
経鼻胃管構造。
A nasogastric tube structure comprising a hollow first tube, a clamping member, and a positioning member,
Openings are provided at both front and rear ends of the first tubular body, the opening at the front end has a throttle-like shape, and the first tubular body is located at a location adjacent to the opening at the front end. One or more through holes are formed through the tube wall, and the first tube has a fitting groove formed on the tube wall adjacent to the opening at the rear end,
The clamping member has two positioning step portions corresponding to each other, and a ring step portion having a C-shaped cross section is provided between the two positioning step portions. Fit to the fitting groove of the tube,
The positioning member is simultaneously fitted on the two positioning step portions, and the two positioning step portions are brought as close as possible to generate a pinching force on the ring step portion,
Nasogastric tube structure.
2つの前記位置決め段部の外表面には、雄ねじ部が設けられ、前記位置決め部材は、雌ねじ部を有し、前記雄ねじ部に前記雌ねじ部が対応して螺合されると、前記位置決め部材が2つの前記位置決め段部上に固定されることを特徴とする請求項1に記載の経鼻胃管構造。   A male screw part is provided on the outer surface of the two positioning step parts, the positioning member has a female screw part, and when the female screw part is screwed in correspondence with the male screw part, the positioning member is The nasogastric tube structure according to claim 1, wherein the nasogastric tube structure is fixed on the two positioning steps. 前記位置決め部材は、嵌合孔を有し、前記嵌合孔には、2つの前記位置決め段部が嵌設され、前記位置決め部材が2つの前記位置決め段部上に固定されることを特徴とする請求項1に記載の経鼻胃管構造。   The positioning member has a fitting hole, and the two positioning step portions are fitted into the fitting hole, and the positioning member is fixed on the two positioning step portions. The nasogastric tube structure according to claim 1. 前記第1の管体の前段部の管径は、前記第1の管体の後段部の管径より小さいか、前記第1の管体の前段部の管径が前から後方へ向かうに従い軸方向で次第に小さくなってから次第に大きくなり、段落部の管体は円弧状の凹部の形状に形成されることを特徴とする請求項3に記載の経鼻胃管構造。   The tube diameter of the front stage portion of the first tube body is smaller than the tube diameter of the rear stage portion of the first tube body, or the tube diameter of the front stage portion of the first tube body is increased from the front toward the rear. The nasogastric tube structure according to claim 3, wherein the tube body of the paragraph portion is formed in the shape of an arc-shaped recess, and gradually increases after becoming smaller in the direction. 前記第1の管体の前段部には、折曲げ可能な可撓段部が設けられ、前記可撓段部は、断面が鋸歯状又は円弧状を呈する蛇腹管体であることを特徴とする請求項4に記載の経鼻胃管構造。   A flexible step portion that can be bent is provided in a front step portion of the first tube body, and the flexible step portion is a bellows tube body having a sawtooth shape or an arc shape in cross section. The nasogastric tube structure according to claim 4. 第2の管体及び結合部材をさらに備え、前記第1の管体の後端部には、第1の結合端が設けられ、前記第2の管体の前端部には、第2の結合端が設けられ、前記結合部材は、中空の環状体であり、結合部が内壁面に設けられ、前記結合部材の前後両端には、前記結合部を介して前記第1の結合端及び前記第2の結合端が連結固定されることを特徴とする請求項5に記載の経鼻胃管構造。   A second tube body and a coupling member; a first coupling end provided at a rear end portion of the first tube body; and a second coupling body disposed at a front end portion of the second tube body. An end is provided, the coupling member is a hollow annular body, a coupling portion is provided on an inner wall surface, and the first coupling end and the first coupling end are provided at both front and rear ends of the coupling member via the coupling portion. The nasogastric tube structure according to claim 5, wherein two coupling ends are connected and fixed. 第2の管体及び結合部材をさらに備え、前記第1の管体の後端部には、第1の結合端が設けられ、前記第2の管体の前端部には、第2の結合端が設けられ、前記結合部材は、中空の環状体であり、結合部が内壁面に設けられ、前記結合部材の前後両端には、前記結合部を介して前記第1の結合端及び前記第2の結合端が連結固定されることを特徴とする請求項1に記載の経鼻胃管構造。
A second tube body and a coupling member; a first coupling end provided at a rear end portion of the first tube body; and a second coupling body disposed at a front end portion of the second tube body. An end is provided, the coupling member is a hollow annular body, a coupling portion is provided on an inner wall surface, and the first coupling end and the first coupling end are provided at both front and rear ends of the coupling member via the coupling portion. The nasogastric tube structure according to claim 1, wherein two coupling ends are connected and fixed.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020188406A1 (en) * 2019-03-15 2020-09-24 Shie Chang Bih Nasogastric tube

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020188406A1 (en) * 2019-03-15 2020-09-24 Shie Chang Bih Nasogastric tube
EP3937751A4 (en) * 2019-03-15 2022-12-21 Shie, Chang-Bih Nasogastric tube

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