Clinical nasogastric tube fixing device

Abstract

The utility model relates to the technical field of nasogastric tube fixing, and discloses a clinical nasogastric tube fixing device which comprises a nasal mask, a fixing band and a limiting tube, the fixing band is connected with the nasal mask and used for being connected with the head of a patient, and through holes corresponding to nostrils of the patient are formed in the lower portion of the nasal mask; the limiting tube is installed in the through hole in a penetrating mode, a movable interval is arranged between the limiting tube and the through hole, and an insertion hole is formed in the limiting tube and used for being fixedly matched with a nasogastric tube in an inserted mode; a hinge adjusting structure or a spherical hinge adjusting structure is further connected between the limiting pipe and the hole wall of the through hole, and the adjustable direction of the hinge adjusting structure or the spherical hinge adjusting structure is located in the radial plane of the through hole. The direction of the limiting tube can be flexibly adjusted in the through hole, the angle range of the limiting tube and the nasogastric tube can be limited through the movable gap, the direction of the limiting tube can be adjusted in the radial plane of the through hole through the hinge adjusting structure or the spherical hinge adjusting structure, and the comfort is better when the nasogastric tube is carried.

Description

Technical Field

[0001] The utility model relates to the technical field of nasogastric tube fixation, in particular to a clinical nasogastric tube fixation device. Background Art

[0002] Nasal tubes are used to deliver necessary water and food to patients who cannot swallow in special circumstances. There are two main types: orogastric tubes and nasogastric tubes. The nasogastric tube enters the stomach through the nostrils, pharynx, and esophagus. The conventional method is to insert the nasogastric tube into the nasal cavity and then fix it by wrapping it with adhesive tape. This is not very comfortable and can easily cause damage to the nasal mucosa.

[0003] For example, a Chinese utility model patent with authorization announcement number CN209475352U and authorization announcement date 2019.10.11 discloses a fixing device for a gastric tube, which specifically includes a mask body, on which an elastic card and a fixing belt are provided, the fixing belt is sleeved on the outside of the patient's head so that the mask body can be fixed on the outside of the patient's nose, the position of the elastic card is set corresponding to the patient's nostrils, and the gastric tube is detachably arranged in the elastic card; the elastic card includes a fixing part, an accommodating part and a limiting part connected in sequence, the fixing part is fixedly connected to the end face of the mask body facing the patient's nostrils, the accommodating part has a gastric tube channel, the side wall of the gastric tube channel is provided with an opening, the gastric tube enters or leaves the gastric tube channel through the opening, and the limiting part is arranged at the opening to limit the gastric tube from entering or leaving the gastric tube channel.

[0004] When the existing fixing device is used, the fixing belt is put on the patient's head, the mask body is buckled on the outside of the patient's nose, and the part of the gastric tube passing through the elastic clip is fixed by the elastic clip. However, when the patient wears it, he will adjust the direction of the nasogastric tube according to his own situation. The elastic clip has a fixing effect on the nasogastric tube corresponding to the nostrils, and the direction angle of the nasogastric tube cannot be flexibly adjusted, resulting in poor comfort when carrying the nasogastric tube. Utility Model Content

[0005] The technical problem to be solved by the utility model is that the patient will adjust the direction of the nasogastric tube according to his own situation when wearing it, the elastic card has a fixing effect on the nasogastric tube corresponding to the nostrils, and the direction angle of the nasogastric tube cannot be flexibly adjusted, and the comfort of carrying the nasogastric tube is poor.

[0006] In order to solve the above technical problems, the utility model provides a clinical nasogastric tube fixing device:

[0007] The clinical nasogastric tube fixing device comprises a nasal mask, a fixing belt and a limiting tube, wherein the fixing belt is connected to the nasal mask, the fixing belt is used to be connected to the patient's head, and the lower part of the nasal mask is provided with through holes corresponding to the patient's nostrils;

[0008] The limiting tube is installed through the through hole, a movable gap is provided between the limiting tube and the through hole, and an insertion hole is provided inside the limiting tube, and the insertion hole is used for plugging and fixing with a nasogastric tube;

[0009] A hinge adjustment structure or a ball joint adjustment structure is also connected between the limiting tube and the hole wall of the through hole, and the adjustable direction of the hinge adjustment structure or the ball joint adjustment structure is within the radial plane of the through hole.

[0010] Furthermore, the hinge adjustment structure includes a first support rod, a second support rod and a fastener, the first support rod is fixedly connected to the limiting tube, the second support rod is fixedly connected to the hole wall of the through hole, and a fastener is connected between the first support rod and the second support rod.

[0011] Furthermore, the first support rod is arranged parallel to the radial plane of the limiting tube, the second support rod is arranged parallel to the radial plane of the through hole, the fastener is a fastening bolt passing through the first support rod and the second support rod, and nuts are threadedly installed on both ends of the fastening bolt.

[0012] Furthermore, the hinged adjustment structure also includes a bearing, the outer wall of the limiting tube is provided with a mounting groove, the bearing is assembled in the mounting groove, the axial direction of the bearing is parallel to the radial plane of the limiting tube, and the end of the first support rod is fixedly connected to the inner hole of the bearing.

[0013] Furthermore, the first support rod is fixedly connected to a support plate, the support plate and the limiting tube are arranged in parallel and spaced apart, and the support plate and the hole wall of the through hole are gap-matched.

[0014] Furthermore, a retaining ring is adjustably mounted on the lower end of the position limiting tube, and the retaining ring is engaged with the lower end of the support plate.

[0015] Furthermore, the lower end tube wall of the limiting tube is provided with an external thread, the retaining ring is an internal thread retaining ring, the internal thread retaining ring cooperates with the external thread of the limiting tube, and a cushion block is also provided at the lower end of the support plate.

[0016] Furthermore, the ball joint adjustment structure includes a ball head and a connecting rod that are fixedly connected, a ball groove is opened on the outer side of the limiting tube, the ball head and the ball groove are interference fit, and the connecting rod is fixedly connected to the hole wall of the through hole.

[0017] Furthermore, the nose mask is provided with a plurality of air holes, and the plurality of air holes are dispersedly arranged on the side of the nose mask.

[0018] Furthermore, a partition is provided on the edge of the nose mask, and the partition is made of 3D printing material.

[0019] Compared with the prior art, the utility model of a clinical nasogastric tube fixing device has the following beneficial effects: the clinical nasogastric tube fixing device adopts a design form of a nasal mask, a fixing belt, a limiting tube, a hinge adjustment structure or a ball joint adjustment structure, the fixing belt is connected to the nasal mask, the lower part of the nasal mask is provided with a through hole, and the limiting tube is installed through the through hole. When in use, the nasogastric tube is first plugged and fixed in the insertion hole of the limiting tube, the nasogastric tube passes through the limiting tube and enters the patient's stomach through the nostrils, pharynx, and esophagus, and then the nasal mask is placed on the patient's nose and connected to the patient's head through the fixing belt to ensure that the nasal mask and the nasogastric tube play an effective limiting role.

[0020] Since a movable gap is provided between the position limiting tube and the through hole of the nasal mask, the position limiting tube and the nasogastric tube are relatively fixed, while ensuring that the position limiting tube can flexibly adjust its direction in the through hole, and the movable gap can also limit the angle range of the position limiting tube and the nasogastric tube. A hinge adjustment structure or a ball joint adjustment structure is connected between the position limiting tube and the hole wall of the through hole, and the hinge adjustment structure or the ball joint adjustment structure enables the position limiting tube to adjust its direction within the radial plane of the through hole, ensuring that the angle adjustment freedom of the position limiting tube and the nasogastric tube is appropriate, meeting the patient's requirement to adjust the direction of the nasogastric tube according to their own situation when wearing it, and providing better comfort when carrying the nasogastric tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a cross-sectional schematic diagram of a clinical nasogastric tube fixing device in an embodiment of the utility model;

[0022] Figure 2 It is a schematic diagram of the assembly of the limiting tube and the through hole of the clinical nasogastric tube fixing device in the embodiment of the utility model;

[0023] Figure 3 It is a cross-sectional schematic diagram of the hinge adjustment structure of the clinical nasogastric tube fixing device in the embodiment of the utility model;

[0024] Figure 4 It is a three-dimensional schematic diagram of the limit tube and the hinge adjustment structure in the embodiment of the utility model;

[0025] Figure 5 It is a three-dimensional schematic diagram of the limit tube and the ball joint adjustment structure in other embodiments of the utility model;

[0026] In the figure, 1-nose mask, 10-through hole, 11-air vent, 12-partition, 2-fixing belt, 3-limiting tube, 30-external thread, 31-retaining ring, 32-ball groove, 4-hinge adjustment structure, 41-first support rod, 42-second support rod, 43-fastener, 44-bearing, 45-support plate, 46-pad, 5-ball joint adjustment structure, 51-ball head, 52-connecting rod. DETAILED DESCRIPTION

[0027] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0028] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like used in the present invention to indicate the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0030] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] like Figures 1 to 4 As shown, the clinical nasogastric tube fixing device of the embodiment of the utility model comprises a nasal mask 1, a fixing belt 2 and a limiting tube 3. The fixing belt 2 is connected to the nasal mask 1, and the fixing belt 2 is used to be connected to the patient's head. The lower part of the nasal mask 1 is provided with a through hole 10 corresponding to the patient's nostril; the limiting tube 3 is installed through the through hole 10, and a movable interval is provided between the limiting tube 3 and the through hole 10. A plug hole is opened inside the limiting tube 3, and the plug hole is used to be plugged and fixed with the nasogastric tube; a hinge adjustment structure 4 is also connected between the limiting tube 3 and the hole wall of the through hole 10, and the adjustable direction of the hinge adjustment structure 4 is in the radial plane of the through hole 10.

[0032] The clinical nasogastric tube fixing device adopts a design form of a nasal mask 1, a fixing belt 2, a limiting tube 3, and a hinge adjustment structure 4. The fixing belt 2 is connected to the nasal mask 1. A through hole 10 is provided at the lower part of the nasal mask 1. The limiting tube 3 is installed through the through hole 10. When in use, the nasogastric tube is first inserted and fixed in the insertion hole of the limiting tube 3, and the nasogastric tube passes through the limiting tube 3 and enters the patient's stomach through the nostril, pharynx, and esophagus. Then, the nasal mask 1 is sleeved on the patient's nose and connected to the patient's head through the fixing belt 2, so as to ensure that the nasal mask 1 and the nasogastric tube are effectively limited.

[0033] Since a movable gap is provided between the position limiting tube 3 and the through hole 10 of the nasal mask 1, the position limiting tube 3 and the nasogastric tube are relatively fixed, while ensuring that the position limiting tube 3 can flexibly adjust its direction in the through hole 10, and the movable gap can also limit the angle range of the position limiting tube 3 and the nasogastric tube. A hinge adjustment structure 4 is connected between the position limiting tube 3 and the hole wall of the through hole 10, and the hinge adjustment structure 4 enables the position limiting tube 3 to adjust its direction within the radial plane of the through hole 10, ensuring that the angle adjustment freedom of the position limiting tube 3 and the nasogastric tube is appropriate, meeting the patient's requirement to adjust the direction of the nasogastric tube according to their own situation when wearing it, and providing better comfort when carrying the nasogastric tube.

[0034] In this embodiment, the hinge adjustment structure 4 includes a first support rod 41, a second support rod 42 and a fastener 43. The first support rod 41 is fixedly connected to the position limiting tube 3, the second support rod 42 is fixedly connected to the hole wall of the through hole 10, and the fastener 43 is connected between the first support rod 41 and the second support rod 42. Specifically, the first support rod 41 is arranged parallel to the radial plane of the position limiting tube 3, the second support rod 42 is arranged parallel to the radial plane of the through hole 10, and the fastener 43 is a fastening bolt that runs through the first support rod 41 and the second support rod 42, and nuts are threadedly installed at both ends of the fastening bolt.

[0035] The first support rod 41 is fixedly connected to the position limiting tube 3, and the second support rod 42 is fixedly connected to the hole wall of the through hole 10. The first support rod 41 and the second support rod 42 are hinged by the fastening bolt 43, so that the position limiting tube 3 can be adjusted in angle around the length direction of the fastening bolt 43. For example, the length direction of the fastening bolt 43 extends in the left-right direction of the patient, and the position limiting tube 3 and the nasogastric tube can be adjusted in the front-to-back direction of the patient; or the length direction of the fastening bolt 43 extends in the front-to-back direction of the patient, and the position limiting tube 3 and the nasogastric tube can be adjusted in the left-to-right direction of the patient. Moreover, the fastening bolt is designed with a double nut, and the two nuts are rotated in opposite directions, so that the position limiting tube 3 can be fixed by screwing the nut.

[0036] As a further preferred solution, the hinged adjustment structure further includes a bearing 44, and an installation groove is provided on the outer wall of the limiting tube 3, and the bearing 44 is assembled in the installation groove, and the axial direction of the bearing 44 is parallel to the radial plane of the limiting tube 3, and the end of the first support rod 41 is fixedly connected to the inner hole of the bearing 44. The first support rod 41 is fixedly connected to a support plate 45, and the support plate 45 is arranged parallel to the limiting tube 3 and spaced apart, and the support plate 45 is in clearance with the hole wall of the through hole 10. A bearing 44 is provided between the first support rod 41 and the limiting tube 3, so that the limiting tube 3 can be adjusted in angle around the axial direction of the bearing 44, thereby meeting the adjustment requirements of the nasogastric tube in the front, back, left and right directions.

[0037] The lower end of the position-limiting tube 3 is adjustable with a retaining ring 31, which is matched with the lower end of the support plate 45. The lower end wall of the position-limiting tube 3 is provided with an external thread 30, and the retaining ring 31 is an internal thread retaining ring, which is matched with the external thread 30 of the position-limiting tube 3. A cushion block 46 is also provided at the lower end of the support plate 45. According to the actual wearing condition of the patient, the retaining ring 31 can be screwed and pressed to the lower end of the support plate 45, thereby locking the relative position of the position-limiting tube 3 and the first support rod 41.

[0038] In addition, the nose mask 1 is provided with a plurality of air holes 11, which are dispersedly arranged on the side of the nose mask 1, so that the air permeability is good when the nose mask 1 is worn. The edge of the nose mask 1 is also provided with a partition 12, which is made of 3D printing material to prevent the nose mask 1 from being crushed due to long-term wearing, and further increase the air permeability of the skin contact part, thereby improving the comfort of the patient when wearing.

[0039] The difference between the clinical nasogastric tube fixing device of other embodiments of the utility model and the clinical nasogastric tube fixing device of the above embodiment is that the hinge adjustment structure is replaced by the ball joint adjustment structure 5, such as Figure 5 As shown, the clinical nasogastric tube fixing device includes a nasal mask, a fixing belt and a limiting tube 3, the fixing belt is connected to the nasal mask, the fixing belt is used to be connected to the patient's head, and the lower part of the nasal mask is provided with a through hole corresponding to the patient's nostril; the limiting tube 3 is installed through the through hole, a movable interval is provided between the limiting tube 3 and the through hole, and a plug hole is opened inside the limiting tube 3, and the plug hole is used to be plugged and fixed with the nasogastric tube; a ball joint adjustment structure 5 is also connected between the limiting tube 3 and the hole wall of the through hole, and the adjustable direction of the ball joint adjustment structure 5 is in the radial plane of the through hole.

[0040] Specifically, the ball joint adjustment structure 5 includes a ball head 51 and a connecting rod 52 that are fixedly connected. A ball groove 32 is provided on the outer side of the stop tube 3. The ball head 51 and the ball groove 32 are interference fit, and the connecting rod 52 is fixedly connected to the hole wall of the through hole. Interference fit means that the ball head 51 can rotate relative to the ball groove 32 under a certain external force, which meets the requirement of flexible angle adjustment of the stop tube 3 and the nasogastric tube, and can also limit the angle by interference force after adjustment.

[0041] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principle of the present invention. These improvements and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A clinical nasogastric tube fixing device, characterized in that: It comprises a nasal mask, a fixing belt and a limiting tube, wherein the fixing belt is connected to the nasal mask, the fixing belt is used to be connected to the patient's head, and the lower part of the nasal mask is provided with through holes corresponding to the patient's nostrils; The limiting tube is installed through the through hole, a movable gap is provided between the limiting tube and the through hole, and an insertion hole is provided inside the limiting tube, and the insertion hole is used for plugging and fixing with a nasogastric tube; A hinge adjustment structure or a ball joint adjustment structure is also connected between the limiting tube and the hole wall of the through hole, and the adjustable direction of the hinge adjustment structure or the ball joint adjustment structure is within the radial plane of the through hole.

2. The clinical nasogastric tube fixing device according to claim 1, characterized in that: The hinge adjustment structure includes a first support rod, a second support rod and a fastener, the first support rod is fixedly connected to the limiting tube, the second support rod is fixedly connected to the hole wall of the through hole, and a fastener is connected between the first support rod and the second support rod.

3. The clinical nasogastric tube fixing device according to claim 2, characterized in that: The first support rod is arranged parallel to the radial plane of the limiting tube, the second support rod is arranged parallel to the radial plane of the through hole, the fastener is a fastening bolt passing through the first support rod and the second support rod, and nuts are threadedly installed at both ends of the fastening bolt.

4. The clinical nasogastric tube fixing device according to claim 3 is characterized in that: The hinge adjustment structure also includes a bearing. The outer wall of the limiting tube is provided with a mounting groove. The bearing is assembled in the mounting groove. The axial direction of the bearing is parallel to the radial plane of the limiting tube. The end of the first support rod is fixedly connected to the inner hole of the bearing.

5. The clinical nasogastric tube fixing device according to any one of claims 2 to 4, characterized in that: The first support rod is fixedly connected with a support plate, the support plate and the limiting tube are arranged in parallel and spaced apart, and the support plate and the hole wall of the through hole are gap-matched.

6. The clinical nasogastric tube fixing device according to claim 5, characterized in that: A retaining ring is adjustably mounted on the lower end of the position limiting tube, and the retaining ring is engaged with the lower end of the support plate.

7. The clinical nasogastric tube fixing device according to claim 6, characterized in that: The lower end wall of the position-limiting tube is provided with an external thread, the retaining ring is an internal thread retaining ring, the internal thread retaining ring matches the external thread of the position-limiting tube, and a cushion block is further provided at the lower end of the support plate.

8. The clinical nasogastric tube fixing device according to claim 1, characterized in that: The ball joint adjustment structure includes a ball head and a connecting rod which are fixedly connected. A ball groove is provided on the outer side of the limit tube. The ball head and the ball groove are interference fit. The connecting rod is fixedly connected to the hole wall of the through hole.

9. The clinical nasogastric tube fixing device according to claim 1, characterized in that: The nose mask is provided with a plurality of ventilation holes, and the plurality of ventilation holes are dispersedly arranged on the side of the nose mask.

10. The clinical nasogastric tube fixing device according to claim 1, characterized in that: The edge of the nose mask is also provided with a partition, and the partition is made of 3D printing material.

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