TWI845362B - Fixing structure for medical duct - Google Patents

Abstract

The present invention relates to a fixing structure for medical duct, including a fixing board and a primary positioning board. On the primary positioning board, a threaded hole is provided to form a first positioning space. Moreover, a coupling fastener (such as coupling gear rack) projecting outward is disposed on the primary positioning board and adjacent to a coupling post, and a notch recessed into the primary positioning board is disposed between the coupling post and the coupling fastener. When the coupling fastener is bent with a curvature and engaged with the coupling post to close the notch, a second positioning space is formed in the notch at a position adjacent to the first positioning space jointly by the coupling fastener and the primary positioning board. The first positioning space and/or the second positioning space each are configured for a medical duct to be positioned therein. By means of the threaded hole and the coupling fastener, the medical duct can be removed or installed easily without demounting the fixing structure.

Description

Medical pipeline fixing structure

The present invention relates to a fixing structure, in particular to a fixing structure for a medical tube.

Patients with pneumonia-related diseases usually use an endotracheal tube through their mouth to perform procedures such as tracheal suction. In order to prevent the patient from biting the endotracheal tube due to discomfort, an oral bite device is usually used at the same time.

In order to prevent the displacement of the endotracheal tube and the mouthpiece, the Republic of China Patent Announcement No. I586390 provides a composite tube fixing structure, which mainly includes a left and right fixing seat that can be opened and closed and a positioning ring. The left and right fixing seats are respectively provided with a slide groove and a groove, and the left and right fixing seats are respectively provided with corresponding buckle grooves and hooks, and the two sides are respectively connected with straps. When in use, the endotracheal tube is inserted into the positioning ring, and the positioning ring and the mouthpiece are respectively inserted into the slide grooves of the left and right fixing seats, and then the left and right fixing seats are closed and fixed by the buckle groove and the hook, so as to avoid the tube from pressing the skin, prevent the patient from biting the tube, and facilitate oral care and endotracheal tube suction; the nasogastric tube can be clamped and fixed in the groove to avoid the displacement of the nasogastric tube, facilitate nasogastric tube feeding and gastric decompression, etc., thereby reducing patient compression injuries, preventing ventilator-associated pneumonia, reducing nursing hours and medical manpower, and achieving the purpose of maintaining patient safety and improving care quality.

However, when removing and cleaning the mouthpiece or endotracheal tube, the aforementioned patent requires first loosening the straps and then opening the left and right fixing seats relative to each other, which may cause the tube to shift during the disassembly process, posing safety concerns.

Therefore, the inventor proposes a medical pipeline fixing structure, comprising: a fixing plate extending along an X direction; and a main positioning plate coupled to the fixing plate, the main positioning plate extending from the fixing plate toward a positive Y direction or a negative Y direction, the positive Y direction and the negative Y direction are opposite to each other and both perpendicular to the X direction; the main positioning plate has a threaded hole forming a first positioning space, and the main positioning plate also has a coupling column adjacent to the threaded hole, adjacent to the threaded hole The coupling post and a coupling fastener extending outward, and a notch between the coupling post and the coupling fastener and recessed into the main positioning plate; the coupling fastener is arced and clamped on the coupling post to close the notch, so that the coupling fastener and the main positioning plate jointly form a second positioning space adjacent to the first positioning space in the notch, and the first positioning space and/or the second positioning space are respectively used for positioning a medical pipeline.

Furthermore, the fixing plate is provided with a belt body coupling part at both ends in the X direction, and a belt body is coupled to the belt body coupling part, and the belt body is wrapped around a human body, so that the fixing plate is coupled to the human body through the belt body.

Furthermore, the two ends of the fixing plate in the X direction are respectively provided with an extension section extending obliquely toward the positive Y direction, and the belt body is connected at the two ends of the extension section in the X direction; when the fixing plate is connected to the human body, the extension section is located at a cheekbone of the human body.

Furthermore, the fixing plate has a plurality of adjacent positioning protrusions in the X direction, and the main positioning plate has at least one main positioning hole; the main positioning plate is coupled to the fixing plate by passing one of the positioning protrusions through one of the main positioning holes.

Furthermore, the coupling fastener is a coupling tooth bar, on which there are a plurality of adjacent teeth, and the coupling tooth bar is pivoted to the main positioning plate through a pivot part; after the coupling tooth bar is pivoted through the pivot part, different sizes of the second positioning spaces are formed by engaging different teeth with the coupling column.

Furthermore, when the fixing plate is coupled to a philtrum of a human body, there is a mouthpiece having a threaded section; the mouthpiece is positioned in the first positioning space by screwing the threaded section into the threaded hole.

Furthermore, the mouthpiece has a stopper adjacent to the threaded section, and the maximum width of the stopper is greater than the maximum width of the threaded hole.

Furthermore, when the fixing plate is coupled to a human body, the medical circuit includes an endotracheal tube; when the fixing plate is coupled to a chest side of the human body, there is a chest tube; by wrapping the coupling fastener around the endotracheal tube or the chest tube and engaging it with the coupling column, the endotracheal tube or the chest tube is positioned in the second positioning space.

Furthermore, a secondary positioning plate is combined with the fixing plate, the secondary positioning plate extends from the fixing plate toward the positive Y direction, a circular hole is formed on the secondary positioning plate to form a third positioning space, a connecting groove extends inward from the edge of the secondary positioning plate, the connecting groove is connected to the circular hole, and the connecting groove is connected to one end of the circular hole, and the width is smaller than the diameter of the circular hole; when the fixing plate is combined with a philtrum of a human body, the medical tube includes a nasogastric tube; by pushing the nasogastric tube from the connecting groove into the circular hole, the nasogastric tube is positioned in the third positioning space.

Furthermore, the fixed plate has a plurality of adjacent positioning protrusions in the X direction, and the secondary positioning plate has a secondary positioning hole; the secondary positioning plate is coupled to the fixed plate by passing one of the positioning protrusions through the secondary positioning hole.

When the fixing plate is coupled to a philtrum of a human body, the X direction extends to the left and right of the human body, the positive Y direction is toward a nose of the human body, and the negative Y direction is toward a mouth of the human body.

Wherein, the main positioning plate has an arc.

According to the above technical features, the following effects can be achieved preferably:

1. Without removing the entire medical tube fixing structure or fixing plate, main positioning plate, etc., the medical tube can be easily removed and inserted through the threaded holes and fasteners, which not only shortens the operation time required by medical staff, but also avoids frequent disassembly and assembly of the entire medical tube fixing structure, which may cause patient rejection.

2. When used with a strap such as a medical strap, the fixation plate can be more securely attached to the human body.

3. When the patient has a cheek injury, the extension section of the fixation plate allows the fixation plate to avoid the wound on the patient's cheek to avoid affecting the healing of the wound.

4. There are multiple positioning bosses in the X direction, which makes it convenient for medical staff to choose which positioning boss to combine the main positioning plate and the auxiliary positioning plate with according to the actual medical pipelines used or cleaning needs.

5. By combining multiple teeth on the tooth bar, second positioning spaces of different sizes can be formed to facilitate medical tubes of different diameters.

6. The mouthpiece uses a threaded section with a threaded hole on the main positioning plate. It is not easy for the patient to dislodge the mouthpiece by the teeth or tongue, but the medical staff can easily remove the mouthpiece by rotating it and control the depth of the mouthpiece, which improves the safety of the patient.

7. The threaded section of the mouthpiece and the stopper can more effectively prevent the mouthpiece from accidentally falling out.

8. Depending on the different connection positions or connection directions, and even with the auxiliary positioning plate, the medical tube can be an endotracheal tube, chest tube, nasogastric tube, etc. that needs to be fixed, improving the versatility of the medical tube fixing structure.

1,1a:Fixed plate

11: Positioning boss

12: Belt-body junction

13a: Extension section

2,2b: Main positioning plate

21,21b: Main positioning hole

22: Threaded hole

23: Joint

24: Combined teeth

25: Binding column

26: Gap

3: With body

4:Bite device

41: Threaded section

42: Stopper

5: Oral endotracheal tube

6: Auxiliary positioning plate

61: Secondary positioning hole

62: Connection slot

63: Round hole

64: Film body

7: Nasogastric tube

8: Nasal endotracheal tube

9: Chest tube

A: Human body

B: Gauze

S1: First positioning space

S2: Second positioning space

S3: The third positioning space

X: X direction

Y: positive Y direction

-Y: negative Y direction

[Figure 1] is a three-dimensional external view of the fixed plate and main positioning plate of the first embodiment of the present invention.

[Figure 2] is a three-dimensional external view of the fixing plate and main positioning plate of the first embodiment of the present invention from another direction.

[Figure 3] is a three-dimensional exploded view of the first embodiment of the present invention.

[Figure 4] is a three-dimensional assembly diagram of the first embodiment of the present invention, showing the mouthpiece and the oral endotracheal tube combined with the main positioning plate.

[Figure 4A] is a partial enlarged front view of Figure 4.

[Fifth Figure] is a schematic diagram of the implementation of the first embodiment of the present invention, showing that the mouthpiece and the oral endotracheal tube are fixed to the human mouth.

[Figure 6] is a three-dimensional external view of the fixed plate, main positioning plate and auxiliary positioning plate of the second embodiment of the present invention.

[Figure 6A] is a partial enlarged front view of Figure 6.

[Figure 7] is a three-dimensional exploded view of the second embodiment of the present invention.

[Figure 8] is a schematic diagram of the second embodiment of the present invention, showing that the mouthpiece and the oral endotracheal tube are fixed to the human mouth, and the nasogastric tube is fixed to the human nose.

[Figure 9] is a schematic diagram of the third embodiment of the present invention, showing that the mouthpiece and the oral endotracheal tube are fixed to the human mouth, and the extension section of the fixing plate extends to the human cheekbone.

[Figure 10] is a three-dimensional external view of the main positioning plate portion of the fourth embodiment of the present invention.

[Figure 11] is a schematic diagram of the fourth embodiment of the present invention, showing that the nasal endotracheal tube is fixed to the human nose.

[Figure 12] is a schematic diagram of the fifth embodiment of the present invention, showing that the nasal endotracheal tube and nasogastric tube are fixed to the human nose.

[Figure 13] is a schematic diagram of the sixth embodiment of the present invention, showing a chest tube being fixed to the side of the human chest.

Combining the above technical features, the main effects of the medical tube fixing structure of the present invention will be clearly presented in the following embodiments.

Please refer to the first to third figures, which disclose the first embodiment of the medical tube fixing structure of the present invention, including: a fixing plate 1 extending along an X direction, the fixing plate 1 has a plurality of adjacent positioning protrusions 11 in the X direction, and the fixing plate 1 is provided with a belt body coupling portion 12 at both ends in the X direction.

A main positioning plate 2 has a main positioning hole 21. By passing one of the positioning protrusions 11 through the main positioning hole 21, the main positioning plate 2 is combined with the fixing plate 1.

The main positioning plate 2 extends from the fixed plate 1 toward a positive Y direction or a negative Y direction. The positive Y direction and the negative Y direction are opposite to each other and are perpendicular to the X direction. In this embodiment, the main positioning plate 2 extends toward the negative Y direction.

The main positioning plate 2 also has a threaded hole 22 forming a first positioning space S1 [please refer to the fourth figure for the first positioning space S1], a pivoting portion 23 adjacent to the threaded hole 22, a coupling tooth bar 24 or a similar coupling fastener pivoted to the main positioning plate 2 through the pivoting portion 23 and extending outward, the coupling tooth bar 24 has a plurality of adjacent teeth, a coupling column 25 adjacent to the coupling tooth bar 24, and a notch 26 between the coupling column 25 and the coupling tooth bar 24 and recessed into the inside of the main positioning plate 2.

By making the coupling tooth bar 24 arc and engage with the coupling column 25, the coupling tooth bar 24 closes the gap 26, and then the coupling tooth bar 24 and the main positioning plate 2 form a second positioning space S2 adjacent to the first positioning space S1 at the gap 26 [please refer to the fourth figure and the fourth figure A for the second positioning space S2]. The first positioning space S1 and/or the second positioning space S2 are respectively used for positioning a medical pipeline.

Preferably, the fixing plate 1 and the main positioning plate 2 can be made of elastic materials such as silicone or polymer materials to increase comfort.

A belt body 3 is coupled to the belt body coupling portion 12, and the belt body 3 is wrapped around a human body A [please refer to the fifth figure for the human body A], so that the fixing plate 1 is coupled to the human body A through the belt body 3. Preferably, the belt body 3 can be a medical bandage, etc., so as to more stably couple the fixing plate 1 to the human body A.

Please refer to Figures 3 to 5. When the medical tube fixing structure is coupled to the philtrum of the human body A, the medical tube may include an oral endotracheal tube 5.

At this time, the X direction extends to the left and right of the human body A, the positive Y direction is toward the nose of the human body A, and the negative Y direction is toward the mouth of the human body A.

In the part of the oral endotracheal tube 5, the oral endotracheal tube 5 is positioned in the second positioning space S2 by winding the coupling tooth bar 24 around the oral endotracheal tube 5 and engaging it with the coupling column 25.

There is also a bite device 4, which has a threaded section 41 and a stopper 42 adjacent to the threaded section 41, and the maximum width of the stopper 42 is greater than the maximum width of the threaded hole 22. The bite device 4 is positioned in the first positioning space S1 by screwing the threaded section 41 into the threaded hole 22.

The mouthpiece 4 uses the threaded section 41 to match the threaded hole 22 of the main positioning plate 2. It is not easy for the patient to remove the mouthpiece 4 by the teeth or tongue, but the medical staff can easily remove the mouthpiece 4 by rotating it and control the depth of the mouthpiece 4, which further improves the safety of the patient.

In addition, the threaded section 41 of the mouthpiece 4 and the stopper 42 can more effectively prevent the mouthpiece 4 from accidentally falling out.

When the oral endotracheal tube 5 of a different diameter is to be replaced, the coupling tooth bar 24 is pivoted by the hinge 23, and different teeth are engaged with the coupling column 25 to form the second positioning space S2 of different sizes, so as to facilitate the medical tubes of different diameters.

Please refer to Figures 6 to 8, which disclose the second embodiment of the medical tube fixing structure of the present invention. The biggest difference between this embodiment and the first embodiment is that this embodiment has a pair of positioning plates 6.

The auxiliary positioning plate 6 has an auxiliary positioning hole 61; another positioning protrusion 11 is passed through the auxiliary positioning hole 61 to make the auxiliary positioning plate 6 coupled to the fixing plate 1.

The auxiliary positioning plate 6 extends from the fixed plate 1 toward the positive Y direction. A circular hole 63 is formed on the auxiliary positioning plate 6 to form a third positioning space S3. A connecting groove 62 extends inward from the edge of the auxiliary positioning plate 6. The connecting groove 62 is connected to the circular hole 63, and the connecting groove 62 is connected to one end of the circular hole 63. The width is smaller than the diameter of the circular hole 63. In this embodiment, the connecting groove 62 is connected to one end of the circular hole 63 to form two sheets 64 that are relatively tapered toward the circular hole 63, and the thickness of the two sheets 64 is set to be greater than the thickness of other positions of the auxiliary positioning plate 6.

The medical tube fixing structure of this embodiment is combined with the philtrum in the same manner as the first embodiment, but the medical tube has a nasogastric tube 7 in addition to the oral endotracheal tube 5.

By pushing the nasogastric tube 7 from the connecting groove 62 into the circular hole 63, the nasogastric tube 7 is positioned in the third positioning space S3. When the nasogastric tube 7 is pushed into the circular hole 63, it can be guided by the two sheets 64 and easily enter the third positioning space S3. When the nasogastric tube 7 enters the third positioning space S3, it is blocked by the two sheets 64 and is not easy to come out. The combination method of the mouthpiece 4 and the oral endotracheal tube 5 can be consistent with the first embodiment, and will not be repeated here.

Preferably, since the positioning protrusions 11 on the main positioning plate 2 are arranged along the X direction, the main positioning plate 2 of this embodiment can be installed on one side, and the auxiliary positioning plate 6 can be installed on the other side to avoid mutual interference.

Please refer to Figure 9, which discloses the third embodiment of the medical tube fixing structure of the present invention. The biggest difference between this embodiment and the first embodiment is that the fixing plate 1a of this embodiment adds an extension section 13a.

The extension section 13a is disposed at both ends of the fixing plate 1a in the X direction, and the extension section 13a extends obliquely toward the positive Y direction, and the belt body 3 is coupled to both ends of the extension section 13a in the X direction.

When the fixing plate 1a is coupled to the human body A, the extension section 13a is located at a cheekbone of the human body A.

When the patient has a cheek injury, such as a cheek ulcer of an oral cancer patient, the extension section 13a of the fixing plate 1a allows the fixing plate 1a and the belt 3 to avoid the wound on the patient's cheek, thereby avoiding affecting the wound healing and causing pain to the patient.

It should be specially noted that most of the embodiments of the present invention are just additions, subtractions, displacements and rotations of components, so they share the same component symbols. The fixing plate 1a in Figure 9 is obviously different from the fixing plates 1 in other embodiments, so only the fixing plate 1a in Figure 9 is distinguished from the fixing plates 1 in other embodiments by component symbols, and the same applies to the main positioning plate 2b in Figure 10 below.

Please refer to Figures 10 and 11, which disclose the fourth embodiment of the medical tube fixing structure of the present invention. The biggest difference between this embodiment and the first embodiment is that: in the first embodiment of Figure 5, the main positioning plate 2 is facing the negative Y direction and corresponds to the mouth of the human body A; while in this embodiment, the main positioning plate 2b is facing the positive Y direction and corresponds to the nose of the human body A.

Since the main positioning plate 2b corresponds to the nose of the human body A, the medical circuit does not need the oral endotracheal tube 5, but can be replaced by a nasal endotracheal tube 8.

The nasal endotracheal tube 8 can be fixed in the same manner as the oral endotracheal tube 5 in the first embodiment, which will not be repeated here.

In this embodiment, the main positioning plate 2b has a different shape from the main positioning plate 2 of the first embodiment. The main positioning plate 2b has an arc and has two main positioning holes 21b adjacent to each other in the positive Y direction.

Since the main positioning plate 2b faces the positive Y direction, the main positioning plate 2b can be coupled to the fixing plate 1 through the main positioning hole 21b closer to the center of the main positioning plate 2b, thereby shortening the length of the main positioning plate 2b beyond the fixing plate 1, and even preventing the main positioning plate 2b from exceeding the fixing plate 1, so as to avoid excessive pressure on the nose of the human body A by the main positioning plate 2b.

The curvature of the main positioning plate 2b not only allows the main positioning plate 2b to further avoid directly pressing the nose of the human body A when facing the positive Y direction, but also allows the lips to have space to rest when facing the negative Y direction (this scene is not shown). For example, for patients with protruding teeth or protruding gums, if they need the mouthpiece 4 and the oral endotracheal tube 5 at the same time, the main positioning plate 2 in the fifth figure can be replaced by the main positioning plate 2b.

Please refer to Figure 12, which discloses the fifth embodiment of the medical tube fixing structure of the present invention. In addition to the main positioning plate 2b facing the positive Y direction and corresponding to the nose of the human body A, the auxiliary positioning plate 6 is further added to match the nasogastric tube 7.

Similar to the second embodiment of Figure 8, the nasal endotracheal tube 8 can be fixed in the same manner as the oral endotracheal tube 5 of the second embodiment, and the nasogastric tube 7 can also be fixed in the same manner as the nasogastric tube 7 of the second embodiment, which will not be repeated here.

Please refer to Figure 13, which discloses the sixth embodiment of the medical tube fixing structure of the present invention. The biggest difference between this embodiment and the first embodiment is that the fixing plate 1 of the first embodiment is combined with the philtrum [please refer to Figure 5 for the first embodiment], while the fixing plate 1 of this embodiment is combined with the chest side of the human body A.

At this time, the medical tube can be a chest tube 9, and the chest tube 9 can be fixed in the same manner as the oral endotracheal tube 5 in the first embodiment, which will not be repeated here.

In this embodiment, the fixing plate 1 and the belt 3 are combined under a gauze B fixing the chest tube 9, and the main positioning plate 2 faces the positive Y direction to avoid compressing the wound and allow the body fluid drained by the chest tube 9 to flow out smoothly by gravity. The positions of the fixing plate 1 and the belt 3 and the direction of the main positioning plate 2 can be adjusted according to actual clinical needs, and the present invention is not limited thereto.

Please refer to the third, fifth and seventh figures again. It is not necessary to dismantle the entire medical tube fixing structure or the fixing plate 1, the main positioning plate 2, the auxiliary positioning plate 6, etc., and the medical tube can be easily removed and inserted through the threaded hole 22, the combined toothed bar 24 and the connecting groove 62, which not only shortens the operation time required by medical staff, but also avoids frequent disassembly and assembly of the entire medical tube fixing structure, which may cause patient rejection.

Since the positioning bosses 11 on the main positioning plate 2 are arranged along the X direction, it is convenient for medical staff to select which positioning boss 11 to combine the main positioning plate 2 and the auxiliary positioning plate 6 with according to the actual medical pipelines used or the needs of cleaning and inspection. In actual implementation, the fixing plate 1, 1a, the main positioning plate 2, 2b, the auxiliary positioning plate 6, etc. of different embodiments can even be mixed and selected according to the actual needs of the patient. The present invention is not limited to this. The fixing plate 1a and the main positioning plate 2b are shown in Figure 9 and Figure 10 respectively.

For example, in the case of the fifth figure, when cleaning the patient's oral cavity, the main positioning plate 2 together with the mouthpiece 4 and the oral endotracheal tube 5 can be first moved to the leftmost positioning protrusion 11 to clean the right half of the patient's oral cavity, and then the main positioning plate 2 together with the mouthpiece 4 and the oral endotracheal tube 5 can be moved to the rightmost positioning protrusion 11 to clean the left half of the patient's oral cavity. The patient's oral health can be maintained without removing the medical tube fixing structure.

In addition, according to the different connection positions or connection directions, and even with the auxiliary positioning plate 6, the medical tube can be the oral endotracheal tube 5, the nasogastric tube 7, the nasal endotracheal tube 8 [as shown in the eleventh figure], the chest tube 9 [as shown in the thirteenth figure] and other equipment that needs to be fixed, thereby improving the versatility of the fixed structure of the medical equipment.

Combined with the description of the above embodiments, the operation, use and effects of the present invention can be fully understood. However, the above embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of implementation of the present invention. In other words, simple equivalent changes and modifications made according to the scope of the patent application and the content of the invention description are all within the scope of the present invention.

1:Fixed plate

2: Main positioning board

3: With body

4:Bite device

5: Oral endotracheal tube

S1: First positioning space

S2: Second positioning space

Claims (10)

A medical pipeline fixing structure comprises: a fixing plate extending along an X direction; and a main positioning plate coupled to the fixing plate, the main positioning plate extending from the fixing plate toward a positive Y direction or a negative Y direction, the positive Y direction and the negative Y direction being opposite to each other and both perpendicular to the X direction; a threaded hole is formed on the main positioning plate to form a first positioning space, the main positioning plate also has a coupling column adjacent to the threaded hole, a coupling fastener adjacent to the coupling column and extending outward, and a notch between the coupling column and the coupling fastener and recessed into the main positioning plate; when the fixing plate is coupled to a human body, When a person is in the middle of a mouthpiece, there is a mouthpiece, and a threaded section is provided on the mouthpiece. By screwing the threaded section into the threaded hole, the mouthpiece is positioned in the first positioning space. The mouthpiece has a stopper adjacent to the threaded section, and the maximum width of the stopper is greater than the maximum width of the threaded hole. By making the fastener arc and snapping into the fastener column, the fastener closes the gap, and the fastener and the main positioning plate jointly form a second positioning space adjacent to the first positioning space in the gap. The first positioning space and/or the second positioning space are respectively used for positioning a medical pipeline. As described in claim 1, the medical tube fixing structure further has a belt body coupling portion provided at both ends of the fixing plate in the X direction, and a belt body is coupled to the belt body coupling portion, and the belt body is wrapped around a human body, so that the fixing plate is coupled to the human body through the belt body. As described in claim 2, the medical pipeline fixing structure, further, the two ends of the fixing plate in the X direction are respectively provided with an extension section extending obliquely toward the positive Y direction, and the belt body is connected at the two ends of the extension section in the X direction; when the fixing plate is connected to the human body, the extension section is located at a cheekbone of the human body. As described in claim 1, the medical pipeline fixing structure further has a plurality of adjacent positioning bosses in the X direction, and the main positioning plate has at least one main positioning hole; the main positioning plate is coupled to the fixing plate by passing one of the positioning bosses through one of the main positioning holes. As for the medical tube fixing structure described in claim 1, further, the coupling fastener is a coupling tooth bar, the coupling tooth bar has a plurality of adjacent teeth, and the coupling tooth bar is pivoted to the main positioning plate through a pivot part; after the coupling tooth bar is pivoted by the pivot part, different teeth are engaged with the coupling column to form the second positioning space of different sizes. As described in claim 1, the medical tube fixing structure further comprises an endotracheal tube when the fixing plate is coupled to a human body; a chest tube when the fixing plate is coupled to a chest side of the human body; the endotracheal tube or the chest tube is positioned in the second positioning space by wrapping the coupling fastener around the endotracheal tube or the chest tube and engaging it with the coupling column. The medical tube fixing structure as described in claim 1, further, has a secondary positioning plate coupled to the fixing plate, the secondary positioning plate extends from the fixing plate toward the positive Y direction, a circular hole is provided on the secondary positioning plate to form a third positioning space, a connecting groove extends inward from the edge of the secondary positioning plate, the connecting groove is connected to the circular hole, and the connecting groove is connected to one end of the circular hole, and the width is smaller than the diameter of the circular hole; when the fixing plate is coupled to a philtrum of a human body, the medical tube includes a nasogastric tube; the nasogastric tube is positioned in the third positioning space by pushing the nasogastric tube from the connecting groove into the circular hole. As described in claim 7, the medical pipeline fixing structure further comprises: the fixing plate has a plurality of adjacent positioning bosses in the X direction, and the secondary positioning plate has a secondary positioning hole; the secondary positioning plate is coupled to the fixing plate by passing one of the positioning bosses through the secondary positioning hole. The medical tube fixing structure as described in claim 1, wherein when the fixing plate is coupled to a philtrum of a human body, the X direction extends to the left and right of the human body, the positive Y direction is toward a nose of the human body, and the negative Y direction is toward a mouth of the human body. The medical tube fixing structure as described in claim 1, wherein the main positioning plate has an arc.

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