CN115363962A

CN115363962A - Stomach tube fixing device

Info

Publication number: CN115363962A
Application number: CN202211299424.3A
Authority: CN
Inventors: 王玉颖; 于娟; 姜雪莹; 范宁; 于姗姗
Original assignee: Jilin University
Current assignee: Jilin University
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2022-11-22
Anticipated expiration: 2042-10-24
Also published as: CN115363962B

Abstract

The invention relates to the technical field of stomach tubes, and discloses a stomach tube fixing device which comprises an auxiliary nose frame, wherein a fixing assembly and an anti-loosening feeding assembly are fixedly connected onto the auxiliary nose frame, a through air hole is formed in the auxiliary nose frame, an auxiliary plate is arranged in the fixing assembly, a working cavity is fixedly connected onto the auxiliary plate, a vertical rod is inserted into the working cavity, the upper end of the vertical rod is fixedly connected with a knob body, the top end of the knob body is fixedly connected with a ball body, the bottom end of the vertical rod is fixedly connected with a gear, the gear is inserted into a round hole in an inserted stomach tube through a threaded rod, and then the threaded rod is rotated under the assistance of a threaded column piece, so that the inserted stomach tube is fixed onto a cavity of a main conveying column under the action of the threaded rod.

Description

Stomach tube fixing device

Technical Field

The invention relates to the technical field of stomach tubes, in particular to a stomach tube fixing device.

Background

The stomach tube (nasogastric tube, nasogastric feeding tube) is inserted from nostril, passes through pharynx, reaches stomach through esophagus, is mostly used for pumping gastric juice, is used for gastric lavage during acute poisoning, and can also be used for injecting liquid into stomach to provide necessary food and nutrition for patient.

In the prior art, a plurality of adhesive tapes are generally fixed on the cheeks or the nasal wings of a patient, but the viscosity of the adhesive tapes is influenced by temperature, time and the secretion of skin grease of the patient, so that the fixing effect is influenced to a certain extent;

in addition, the adhesive tape for fixing the gastric tube can lead the fixed position to be inconvenient to ventilate, and the face of the patient can be itchy and allergic to a certain degree, thereby affecting the comfort of the patient;

furthermore, when the stomach tube is too deep, a certain stimulation may be generated to the antrum of the stomach, which is easy to damage the gastric mucosa, and further causes discomfort such as nausea, stomach pain, spasm and the like.

Therefore, we propose a gastric tube fixing device to solve the above problems.

Disclosure of Invention

Technical problem to be solved

In view of the above, aiming at the defects of the prior art, the invention provides a medical-treatment-resource-saving fixing device which can be fixed without using an adhesive tape; can prevent the fixed part from being airtight and causing the face of the patient to be allergic and ulcerated; stomach tube mouth is automatic to be opened when possible nasal feeding, and stomach tube mouth self-closing when not carrying out nasal feeding prevents the stomach tube fixing device of multiple functions such as liquid food refluence in the stomach to solve the problem that proposes among the above-mentioned background art.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a stomach tube fixing device, includes supplementary nose frame, fixed subassembly of fixedly connected with, locking moving feed the subassembly on the supplementary nose frame, set up the air vent that link up on the supplementary nose frame, be provided with the accessory plate in the fixed subassembly, fixedly connected with work cavity on the accessory plate, it has the montant to peg graft on the work cavity, montant upper end fixedly connected with has the knob body, knob body top fixedly connected with spheroid, montant bottom fixedly connected with gear.

As the improvement, the gear periphery meshing has the U-shaped meshing strip, fixedly connected with anti-contrarotation body on the work cavity inner wall, the gear bottom is located and is provided with the torsional spring in the work cavity.

As an improvement, a connecting belt is arranged on the outer side of the U-shaped meshing strip, and a lug ring is fixedly connected to the connecting belt.

As an improvement, a main conveying column cavity is arranged in the anti-loosening feeding assembly, a threaded column piece is fixedly connected to the main conveying column cavity, and a threaded rod is connected to the threaded column piece in an internal thread mode.

As the improvement, it has the grafting stomach tube to peg graft in the main transport column cavity, the round hole has been seted up on the grafting stomach tube, the vice transport column cavity of one end fixedly connected with that the grafting stomach tube was kept away from to the main transport column cavity, the internal thread way has been seted up in the vice transport column cavity.

As the improvement, sliding connection has the removal post in the vice transport column cavity, remove post one end and be located main transport column cavity fixedly connected with shutoff piece, the one end fixedly connected with spring that the removal post was kept away from to the shutoff piece.

As an improvement, a feeding pipe is in threaded connection with the cavity of the auxiliary conveying column, and external threads are fixedly connected to the outer surface of the feeding pipe.

As a modification, the size of the gear teeth is matched with the size of the teeth on one side of the U-shaped meshing strip.

As an improvement, the thickness of the anti-reverse rotation body is far smaller than that of the gear.

As the improvement, the thread column piece is provided with a thread matched with the threaded rod.

(III) advantageous effects

Compared with the prior art, the invention provides a stomach tube fixing device, which has the following beneficial effects:

1. according to the invention, the threaded rod is inserted into the circular hole on the inserted stomach tube, and then the threaded rod is rotated under the assistance of the threaded column piece, so that the inserted stomach tube is fixed on the cavity of the main conveying column under the action of the threaded rod, and the arrangement can effectively avoid that the inserted stomach tube is inserted too deeply or too shallowly when the inserted stomach tube is subjected to external force, thereby causing gastric mucosa damage, obvious esophagus stimulation, and the occurrence of repeated hiccup, nausea, positive gastric juice occult blood and the like;

2. because the ear loops are hung on the ears, the inserted stomach tube indirectly connected to the auxiliary nasal frame can be firmly fixed as long as the ear loops do not fall off from the ears, and the fixing method is different from the operation of fixing the ear loops on the cheeks or the nasal wings of a patient by adopting a plurality of adhesive tapes in the prior art, so that the situation that the traditional fixing method cannot be well fixed due to the influence of the viscosity of the adhesive tapes on the temperature, the time and the secretion of skin grease of the patient can be effectively avoided;

3. if some patients feel that the wearing is not tight, at the moment, the gear at the bottom end can move through the toothed belt and the U-shaped meshing strip meshed with the gear only through the rotation of the knob body and the vertical rod fixedly connected with the knob body, at the moment, the torsion spring at the bottom end of the gear can be twisted, the distance between the ear hanging ring and the working cavity can be gradually shortened along with the movement of the U-shaped meshing strip, at the moment, the wearing of the patients can be gradually firmer, the arrangement can be correspondingly adjusted according to the face shapes of the patients, the device can adapt to the patients with different face shapes to the greatest extent, and the fixing effect is better;

4. when the blocking piece does not block the cavity of the auxiliary conveying column any more, the liquid food injected from the feeding pipe can pass through the cavity of the auxiliary conveying column and enter the cavity of the main conveying column, so that the liquid food enters the stomach of a patient through the inserted stomach tube, after the liquid food is injected, the feeding pipe is screwed down from the cavity of the auxiliary conveying column, and the original compressed spring can push the blocking piece to block the cavity of the auxiliary conveying column again;

5. the air circulation on the surface of the skin of the patient can be increased to a certain extent through the vent holes arranged on the auxiliary nose frame, so that the air impermeability of the fixed position can be effectively avoided, and the comfort of the patient is not influenced by the itching and allergy of the face of the patient.

Drawings

FIG. 1 is a view showing the structure of the main body of the present invention;

FIG. 2 is a bottom view of the main structure of the present invention;

FIG. 3 is a view of the main body of the fixing member of the present invention;

FIG. 4 is an enlarged view of the structure of area A of FIG. 3 according to the present invention;

FIG. 5 is a side view of the main body structure of the fixing member of the present invention;

FIG. 6 is an enlarged view of the area B of FIG. 2 according to the present invention;

FIG. 7 is an exploded view of the body structure of the anti-loosening feeding assembly of the present invention;

FIG. 8 is a diagram of the relevant structures of the gastric tube, the mobile post, the plugging sheet, the feeding tube and the like which are inserted in the invention;

FIG. 9 is a structural diagram of the plugging sheet for plugging the cavity of the secondary transport column in the invention;

fig. 10 is a view showing the structure of the moving post at one end of the plugging piece of the present invention when it is pushed by the feeding tube.

In the figure:

1. an auxiliary nose frame; 101. a vent hole;

2. a fixing assembly; 201. an auxiliary plate; 202. a working cavity; 203. a vertical rod; 204. a knob body; 205. a sphere; 206. a gear; 207. a U-shaped engagement strip; 208. the anti-reverse rotation body; 209. a torsion spring; 210. a connecting belt; 211. hanging an earring;

3. a tamper resistant feeding assembly; 301. a main transport column cavity; 302. a threaded post; 303. a threaded rod; 304. inserting a stomach tube; 305. a circular hole; 306. a secondary transport column cavity; 307. an internal thread path; 308. moving the column; 309. a plugging sheet; 310. a spring; 311. a feeding tube; 312. and (4) external threads.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention is explained in more detail below with reference to the figures and examples.

Example one

Please refer to fig. 1 to 5:

in order to solve the problems mentioned in the technical solutions, the embodiments relate to the following parts:

101. a vent hole; 2. a fixing assembly; 201. an auxiliary plate; 202. a working cavity; 203. a vertical rod; 204. a knob body; 205. a sphere; 206. a gear; 207. a U-shaped engagement strip; 208. the anti-reverse rotation body; 209. a torsion spring; 210. a connecting belt; 211. and (5) hanging an earring.

The auxiliary nose frame 1 is provided with a through air vent 101, an auxiliary plate 201 is arranged in the fixed assembly 2, the auxiliary plate 201 is fixedly connected with a working cavity 202, a vertical rod 203 is inserted into the working cavity 202, the upper end of the vertical rod 203 is fixedly connected with a rotary button body 204, a sphere 205 at the top end of the rotary button body 204 can effectively assist the rotary reset of the rotary button body 204 under the reset of an anti-reverse rotation body 208 due to small friction force when the rotary button body 204 is pressed by hands, the top end of the rotary button body 204 is fixedly connected with the sphere 205, the bottom end of the vertical rod 203 is fixedly connected with a gear 206, the size of the gear 206 is matched with the size of one side tooth of the U-shaped meshing strip 207, the upper part of the gear 206 and the anti-reverse rotation body 208 are on the same horizontal line, the periphery of the gear 206 is meshed with the U-shaped meshing strip 207, only one side of the U-shaped meshing strip 207 is provided with the tooth, the anti-reverse rotation body 208 is fixedly connected to the inner wall of the working cavity 202, the thickness of the anti-reverse rotation body 208 is far smaller than that of the gear 206, the bottom end of the gear 206 is arranged in the working cavity 202, a torsion spring 209 is arranged in the working cavity, the connecting strip 207, the torsion spring 209 is mainly used for resetting of the vertical rod 203, a connecting strip 210 is arranged outside the connecting strip 207, and a connecting strip 210 is fixedly connected with a ear hanging ring 211.

Example two

Please refer to fig. 1, fig. 2, fig. 6 to fig. 10:

301. a main transport column cavity; 302. a threaded post; 303. a threaded rod; 304. a stomach tube is inserted; 305. a circular hole; 306. a secondary transport column cavity; 307. an internal thread path; 308. moving the column; 309. a plugging sheet; 310. a spring; 311. a feeding tube; 312. and (4) external threads.

A main conveying column cavity 301 is arranged in the anti-loosening feeding assembly 3, a threaded column piece 302 is fixedly connected to the main conveying column cavity 301, threads matched with the threaded rod 303 are formed in the threaded column piece 302, the threaded rod 303 is connected to the threaded column piece 302 in an internal thread mode, a splicing stomach tube 304 is inserted into the main conveying column cavity 301, a round opening 305 is formed in the splicing stomach tube 304, an auxiliary conveying column cavity 306 is fixedly connected to one end, far away from the splicing stomach tube 304, of the main conveying column cavity 301, an internal thread channel 307 is formed in the auxiliary conveying column cavity 306, and the internal thread channel 307 is matched with the external thread 312;

sliding connection has the removal post 308 in vice transport column cavity 306, removes fixedly connected with shutoff piece 309 in post 308 one end is located main transport column cavity 301, and shutoff piece 309 mainly used blocks up vice transport column cavity 306, and the one end fixedly connected with spring 310 that removes post 308 is kept away from to shutoff piece 309, and threaded connection has feeding tube 311 on vice transport column cavity 306, and feeding tube 311 external surface fixedly connected with external screw thread 312.

EXAMPLE III

Please refer to fig. 1 to 10:

the auxiliary nose frame 1 is fixedly connected with a fixing component 2 and an anti-loosening feeding component 3;

the auxiliary nose frame 1 is provided with a through air vent 101, an auxiliary plate 201 is arranged in the fixed assembly 2, the auxiliary plate 201 is fixedly connected with a working cavity 202, a vertical rod 203 is inserted into the working cavity 202, the upper end of the vertical rod 203 is fixedly connected with a knob body 204, a sphere 205 at the top end of the knob body 204 can effectively assist the knob body 204 to rotate and reset under the reset of the anti-reverse rotation body 208 due to small friction when the knob body 204 is pressed by hands, the top end of the knob body 204 is fixedly connected with the sphere 205, the bottom end of the vertical rod 203 is fixedly connected with a gear 206, the size of the teeth of the gear 206 is matched with the size of the teeth on one side of the U-shaped meshing strip 207, the upper part of the gear 206 and the anti-reverse rotation body 208 are on the same horizontal line, the periphery of the gear 206 is meshed with the U-shaped meshing strip 207, only one side of the U-shaped meshing strip 207 is provided with the teeth, the anti-reverse rotation body 208 is fixedly connected to the inner wall of the working cavity 202, the thickness of the anti-reverse rotation body 208 is far smaller than the thickness of the gear 206, the bottom end of the gear 206 is provided with a torsion spring 209 in the working cavity 202, the torsion spring 209 is mainly used for resetting of the vertical rod 203, the vertical rod 207, the U-shaped meshing strip is provided with a connecting band 210, the connecting band 210, and the connecting band 210 is fixedly connected with a hanging ring 211;

a main conveying column cavity 301 is arranged in the anti-loosening feeding assembly 3, a threaded column piece 302 is fixedly connected to the main conveying column cavity 301, threads matched with a threaded rod 303 are formed in the threaded column piece 302, the threaded rod 303 is connected to the threaded column piece 302 in an internal thread mode, a splicing stomach tube 304 is inserted into the main conveying column cavity 301, a round hole 305 is formed in the splicing stomach tube 304, an auxiliary conveying column cavity 306 is fixedly connected to one end, far away from the splicing stomach tube 304, of the main conveying column cavity 301, an internal thread channel 307 is formed in the auxiliary conveying column cavity 306, and the internal thread channel 307 is matched with the external thread 312;

The working principle is as follows:

in the initial state: the torsion spring 209 is not twisted, the secondary transfer column cavity 306 is blocked by the blocking tab 309, and the spring 310 is not compressed.

When the auxiliary nasal frame 1 is used, after a doctor inserts the inserted stomach tube 304 into the stomach of a patient, the auxiliary nasal frame 1 is attached to the nose of the patient, then the inserted stomach tube 304 is inserted into the main conveying column cavity 301, the round hole 305 is overlapped with the threaded column piece 302, the threaded rod 303 is inserted into the round hole 305 on the inserted stomach tube 304, and then the threaded rod 303 is rotated under the assistance of the threaded column piece 302, so that the inserted stomach tube 304 is fixed on the main conveying column cavity 301 under the action of the threaded rod 303, and the arrangement can effectively avoid that the inserted stomach tube 304 is inserted too deeply or too shallowly when the inserted stomach tube 304 is subjected to external force, thereby causing gastric mucosa damage, the esophagus stimulation is obvious, and the phenomena of repeated hiccup, nausea, positive occult blood of gastric juice and the like occur;

furthermore, after the work of the current period is finished, the auxiliary nose frame 1 is attached to the nose of the patient, most of the inserted stomach tubes 304 are inserted into the stomach of the patient, the auxiliary nose frame 1 can be fixed on the nose of the patient through the ear hanging rings 211 on the connecting belt 210, and the inserted stomach tubes 304 indirectly connected to the auxiliary nose frame 1 can be firmly fixed as long as the ear hanging rings 211 are not dropped off from the ears because the ear hanging rings 211 are hung on the ears, so that the fixing method is different from the operation of fixing the inserted stomach tubes 304 on the cheeks or the nasal wings of the patient by adopting a plurality of adhesive tapes in the prior art, and the situation that the inserted stomach tubes cannot be well fixed due to the influence of the viscosity of the adhesive tapes on the temperature, the time and the secretion of the skin grease of the patient in the traditional fixing method can be effectively avoided;

furthermore, if some patients feel that the wearing is not tight, at this time, by rotating the knob body 204 and the vertical rod 203 fixedly connected with the knob body, the gear 206 at the bottom end in the rotation of the vertical rod 203 moves through the toothed belt and the U-shaped engaging strip 207 engaged with the toothed belt, at this time, the torsion spring 209 at the bottom end of the gear 206 is twisted, the distance between the ear loop 211 and the working cavity 202 is gradually shortened along with the movement of the U-shaped engaging strip 207, at this time, the patient feels that the wearing gradually becomes firm, when the patient feels that the tightness is moderate, the rotation is stopped, at this time, the gear 206 is kept still under the action of the torsion force of the torsion spring 209 which wants to restore to the original state, further, if the wearing is too tight, the operator only needs to press down the knob body 204 by force, the torsion spring 209 at the bottom of the gear 206 is compressed, at this time, the gear 206 above the torsion spring 209 also follows down, when the gear 206 moves down, the gear 206 is gradually separated from the restriction of the gear 206, when the gear 206 is completely separated from the restriction of the anti-reverse rotation, the patient only needs to be adjusted to the maximum tightness state, and the patient can be adjusted to the patient, and the patient can be adjusted to the corresponding tight state;

furthermore, if a patient wants to feed liquid food, the feeding tube 311 only needs to be screwed into the auxiliary delivery column cavity 306 through the external threads 312 under the assistance of the internal thread channel 307, along with the screwing of the feeding tube 311, the feeding tube 311 gradually approaches and pushes the moving column 308, the pushed moving column 308 can drive the fixedly connected blocking piece 309 to gradually move towards the direction close to the insertion stomach tube 304, at the moment, the spring 310 is compressed, the blocking piece 309 does not block the auxiliary delivery column cavity 306 any more, at the moment, the liquid food injected from the feeding tube 311 passes through the auxiliary delivery column cavity 306 and enters the main delivery column cavity 301, so as to enter the stomach of the patient through the insertion stomach tube 304, after the liquid food injection is finished, as long as the feeding tube 311 is lifted from the auxiliary delivery column cavity 306, the originally compressed spring 310 can push the blocking piece 309 to block the auxiliary delivery column cavity 306 again, and by the arrangement, the nasal feeding orifice can be automatically opened when nasal feeding is finished, the gastric tube is not automatically closed when nasal feeding is carried out, and the situation of the liquid food in the stomach is effectively prevented;

furthermore, the air holes 101 arranged on the auxiliary nose frame 1 can increase the air circulation on the surface of the skin of the patient to a certain extent, so that the situation of air impermeability at the fixed position can be effectively avoided, and the comfort of the patient is not influenced by the itching and allergy of the face of the patient;

summarizing the following steps:

can stably fix supplementary nose frame 1 at patient's cheek nose position through the setting of fixed subassembly 2, can adapt to the patient of different types of face simultaneously under the assistance of gear 206 and U-shaped meshing strip 207, and can effectively prevent grafting stomach tube 304 in the internal mobile position of patient in the setting of subassembly 3 is fed to locking moving, effectively avoid grafting stomach tube 304 to peg graft under the effect of external force harm that too deeply or too shallowly bring, and stomach tube mouth is automatic to open when subassembly 3 is fed to locking moving can accomplish nasal feeding, stomach tube mouth self-closing when not carrying out nasal feeding, prevent the condition of the liquid food refluence in the stomach.

In summary, the following steps:

according to the stomach tube fixing device, the threaded rod 303 is inserted into the round hole 305 on the insertion stomach tube 304, then the threaded rod 303 is rotated under the assistance of the threaded column piece 302, so that the insertion stomach tube 304 is fixed on the cavity 301 of the main conveying column under the action of the threaded rod 303, and the arrangement can effectively avoid that the insertion stomach tube 304 is inserted too deeply or too shallowly when the insertion stomach tube 304 is subjected to external force, so that gastric mucosa is damaged, esophagus stimulation is obvious, and the phenomena of repeated hiccup, nausea, positive occult blood of gastric juice and the like occur;

in the stomach tube fixing device, the ear loops 211 are hung on the ears, so as long as the ear loops 211 do not fall off from the ears, the inserted stomach tube 304 indirectly connected to the auxiliary nose frame 1 can be firmly fixed, and the fixing method is different from the operation of fixing the stomach tube on the cheek or the nasal wing of a patient by adopting a plurality of adhesive tapes in the prior art, so that the situation that the stomach tube cannot be well fixed due to the influence of the viscosity of the adhesive tapes on the temperature, the time and the secretion of skin grease of the patient in the traditional fixing method can be effectively avoided;

if some patients feel that the stomach tube fixing device is not tightly worn, at the moment, the gear 206 at the bottom end can move through the toothed belt and the U-shaped meshing strip 207 meshed with the gear in the rotation of the vertical rod 203 only through the rotation of the knob body 204 and the vertical rod 203 fixedly connected with the knob body, at the moment, the torsion spring 209 at the bottom end of the gear 206 can be twisted, the distance between the ear hanging ring 211 and the working cavity 202 can be gradually shortened along with the movement of the U-shaped meshing strip 207, namely, the patients feel that the wearing of the stomach tube fixing device is gradually firmer at the moment, the arrangement can be correspondingly adjusted according to the face shapes of the patients, the stomach tube fixing device is suitable for the patients with different face shapes to the greatest extent, and the fixing effect is better;

when the blocking piece 309 does not block the auxiliary conveying column cavity 306 any more in the stomach tube fixing device, at the moment, the liquid food injected from the feeding tube 311 passes through the auxiliary conveying column cavity 306 and enters the main conveying column cavity 301, and then enters the stomach of a patient through the inserted stomach tube 304, after the liquid food injection is finished, as long as the feeding tube 311 is screwed down from the auxiliary conveying column cavity 306, the originally compressed spring 310 can push the blocking piece 309 to block the auxiliary conveying column cavity 306 again, through the arrangement, the stomach tube opening can be opened automatically during nasal feeding, the stomach tube opening can be closed automatically when nasal feeding is not performed, and the situation that the liquid food in the stomach flows backwards is effectively prevented;

the stomach tube fixing device can increase the air circulation on the surface of the skin of a patient to a certain extent through the vent holes 101 formed in the auxiliary nose frame 1, so that the airtight condition at the fixed position can be effectively avoided, and the comfort of the patient is not affected by itching and allergy on the face of the patient;

it should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A stomach tube fixing device which characterized in that: including supplementary nose frame (1), fixed subassembly (2), the locking feeding subassembly (3) that moves about of fixedly connected with are gone up in supplementary nose frame (1), set up air vent (101) that link up on supplementary nose frame (1), be provided with accessory plate (201) in fixed subassembly (2), fixedly connected with working chamber (202) are gone up in accessory plate (201), it has montant (203) to peg graft on working chamber (202), montant (203) upper end fixedly connected with knob body (204), knob body (204) top fixedly connected with spheroid (205), montant (203) bottom fixedly connected with gear (206).

2. A gastric tube securement device according to claim 1, wherein: the periphery of the gear (206) is meshed with a U-shaped meshing strip (207), the inner wall of the working cavity (202) is fixedly connected with an anti-reverse rotating body (208), and the bottom end of the gear (206) is arranged in the working cavity (202) and is provided with a torsion spring (209).

3. A gastric tube securement device according to claim 2, wherein: the U-shaped meshing strip (207) outside is provided with connecting band (210), fixedly connected with hangers ring (211) on connecting band (210).

4. A gastric tube securement device according to claim 1, wherein: the anti-loosening feeding assembly (3) is internally provided with a main conveying column cavity (301), a threaded column piece (302) is fixedly connected to the main conveying column cavity (301), and a threaded rod (303) is connected to the threaded column piece (302) in an internal thread mode.

5. A gastric tube securement device according to claim 4, wherein: the main transport column cavity (301) is internally spliced with a splicing stomach tube (304), a round hole (305) is formed in the splicing stomach tube (304), the main transport column cavity (301) is far away from the auxiliary transport column cavity (306) of one end fixedly connected with of the splicing stomach tube (304), and an inner thread channel (307) is formed in the auxiliary transport column cavity (306).

6. A gastric tube securement device according to claim 5, wherein: sliding connection has removal post (308) in vice transport column cavity (306), it is located main fixedly connected with shutoff piece (309) in transport column cavity (301) to remove post (308) one end, one end fixedly connected with spring (310) of removal post (308) are kept away from in shutoff piece (309).

7. A gastric tube securement device according to claim 6, wherein: the feeding pipe (311) is connected to the auxiliary conveying column cavity (306) through threads, and external threads (312) are fixedly connected to the outer surface of the feeding pipe (311).

8. A gastric tube securement device according to claim 2, wherein: the size of the teeth of the gear (206) is matched with the size of the teeth on one side of the U-shaped meshing strip (207).

9. A gastric tube securement device according to claim 2, wherein: the thickness of the anti-reverse rotation body (208) is far smaller than that of the gear (206).

10. A gastric tube securement device according to claim 4, wherein: the thread column piece (302) is provided with a thread matched with the threaded rod (303).