CN113081855A

CN113081855A - Anticreep nasogastric tube

Info

Publication number: CN113081855A
Application number: CN202110371727.0A
Authority: CN
Inventors: 郑跃; 张晓晓; 徐应倩
Original assignee: First Affiliated Hospital of Wenzhou Medical University
Current assignee: First Affiliated Hospital of Wenzhou Medical University
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2021-07-09
Anticipated expiration: 2041-04-07
Also published as: CN113081855B

Abstract

The invention relates to an anti-falling nasogastric tube which comprises a tube body and a positioning belt worn on the head, wherein an adjusting mechanism is arranged on the positioning belt, the positioning belt is connected with a positioning tube through a sliding seat in a sliding manner, a button and a locking block are connected on the sliding seat in a sliding manner, a conduction mechanism is arranged between the button and the locking block, the button is pressed, the locking block is abutted against the positioning belt through the conduction mechanism and is twisted, the tube body is arranged in the positioning tube in a penetrating manner, a locking sleeve is connected onto the positioning tube in a threaded manner, and the locking sleeve rotates and positions the tube body through an extrusion assembly. The invention has the following advantages and effects: the novel structure of this scheme utilization reaches the mesh of anticreep.

Description

Anticreep nasogastric tube

Technical Field

The invention relates to an anti-falling nasogastric tube.

Background

The nasogastric tube is widely applied in clinic, for example, is used for treating esophageal stenosis, esophagogastric anastomotic fistula, esophageal rupture, esophagogastric fistula, gastric fistula, duodenal perforation, thoracic gastric-airway fistula and the like, and is also used for supplementing nutrition for patients with dysphagia.

At present, the existing application method of the nasogastric tube is to penetrate a thin steel wire into the nasogastric tube and then penetrate the nasogastric tube into the stomach from the nose of a patient. The adhesive tape is cut into a T shape by scissors, the front end of the adhesive tape is firstly attached to the nasal face of a patient, and then the tail end of the adhesive tape is wound and fixed on a nasogastric tube. Because the nose face can secrete grease, make the viscidity of sticky tape reduce, the patient is sleeping in the dream, and the hand does not consciously swing makes the sticky tape drop, and nose stomach tube is deviate from the internal, must change the sticky tape or reinsert the stomach tube, and is heavier to medical personnel's work burden. And the mental and economic pressure on patients caused by the unplanned gastric tube removal is relatively large.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides an anti-falling nasogastric tube to achieve the aim of preventing falling.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an anticreep nasogastric tube, includes the body and wears the location area of locating the head, the location area on be provided with adjustment mechanism, the location area have a registration arm through slide sliding connection, the slide on sliding connection have button and latch segment, be provided with conduction mechanism between button and the latch segment, press down the button and pass through conduction mechanism makes the latch segment contradict and twist reverse with the location area, the body wear to locate in the registration arm, the registration arm on threaded connection have the lock sleeve, the lock sleeve rotatory and make the body location through extrusion subassembly.

By adopting the technical scheme, the positioning belt is sleeved on the head of a patient and surrounds the face of the patient, and the positioning belt is adaptive to the patients with different head circumferences and is fixed on the head of the patient through the adjusting mechanism; penetrate the patient internal after passing the registration arm with the body, slide the slide along the location area, press the button, make the slide location through conduction mechanism, the registration arm is located the nasal part front end, the lock sleeve is rotatory and realize the body location through the extrusion subassembly, has removed the process that medical personnel tailor the sticky tape from, greatly promotes the convenience of use to, can effectively avoid the patient because of unconscious swing causes the body from taking out, realize the effect of anticreep.

The invention is further configured to: the conduction mechanism include position sleeve, standing groove, Z-shaped groove, slide bar, first elastic component, clamp plate, the slide on seted up mounting hole, intercommunicating pore and place the shrinkage pool, the position sleeve be fixed in the mounting hole, the positioning belt is worn to locate in the intercommunicating pore, the both ends of first elastic component are connected with inner wall, the clamp plate of placing the shrinkage pool respectively, the mounting hole corresponds with placing the shrinkage pool, button sliding connection in the position sleeve, the slide bar is fixed in on the lateral wall of latch segment, the tip of position sleeve is seted up to the Z-shaped groove, the standing groove is seted up on the lateral wall of position sleeve, the slide bar inlays to be located in the Z-shaped inslot or arranges the standing groove in, the latch segment removes and shifts out from the position sleeve along with the button to rotate through twisting the subassembly, form the tight district of clamp tight positioning belt between clamp plate and the.

By adopting the technical scheme, the positioning belt penetrates through the communicating hole, the button is pressed, the locking block is moved out of the positioning sleeve, the locking block is rotated through the twisting component, meanwhile, the sliding rod is moved out of the placing groove and corresponds to the Z-shaped groove after rotating along with the locking block, the button is loosened, the sliding rod is embedded in the Z-shaped groove under the elastic action of the first elastic piece, the positioning belt is clamped through the combined action of the pressing plate and the locking block, and the friction force between the positioning belt and the locking block is further increased due to the fact that the locking block is twisted at a certain angle, and the sliding seat positioning is realized; the button is pressed once more, and in the same way, the button is contradicted with the latch segment and is made the slide bar break away from with the Z-shaped groove, makes the latch segment twist certain angle through twisting the subassembly, and the slide bar corresponds with the standing groove, loosens the button, and the spring action through the elastic component makes the latch segment be located the position sleeve, and the frictional force between latch segment, clamp plate and the location area reduces, and the slide can produce relative slip with the location area.

The invention is further configured to: the torsion assembly comprises a first inclined plane and a second inclined plane, the first inclined plane is arranged on the button, the second inclined plane is arranged on the locking block, and the first inclined plane and the second inclined plane are arranged in the positioning sleeve in a staggered mode.

Through adopting above-mentioned technical scheme, the button is contradicted with the latch segment, and when the button was ejecting the latch segment from the position cover, first inclined plane and second inclined plane changed into the alignment from the dislocation, can realize that the latch segment twists reverse certain angle, and is easy and simple to handle.

The invention is further configured to: the adjusting mechanism comprises a fixed plate, a knob, a slide rail, a slide block, a slide column, a second elastic part, a third elastic part, an arc chute and a straight groove, the arc chute and the straight groove are arranged on the outer wall of the knob, a step is formed between the upper end of the straight groove and the upper end of the arc chute, the lower end of the straight groove is communicated with the lower end of the arc chute and is in smooth transition, the two ends of the second elastic piece are respectively connected with the sliding column and the sliding block, the sliding column is connected in an arc chute or a straight chute in a sliding way, two ends of the third elastic part are respectively connected with the sliding block and the sliding rail, the positioning belt is arranged in the fixing plate in a penetrating way, the sliding block is connected with the positioning belt, the knob is rotationally connected on the fixing plate, a positioning assembly is arranged between the knob and the fixing plate, the sliding rail is fixed on the fixing plate, and the straight groove is parallel to the length direction of the sliding rail.

By adopting the technical scheme, the knob is rotated, the sliding column moves towards the direction close to the straight groove along the arc-shaped chute, the deformation amount of the third elastic part is gradually increased, the sliding column drives the sliding block to move along the length direction of the sliding rail, so that the positioning belt can be tensioned by the sliding block, the sliding column is ensured to be abutted against the arc-shaped chute or the straight groove through the elastic action of the second elastic part, when the sliding column is arranged in the straight groove, the sliding column moves along the straight groove and is arranged in the arc-shaped chute through the elastic action of the third elastic part, meanwhile, the sliding block resets, and the positioning belt is loosened; thereby adapt to the patient of different head circumferences, fix a position the knob through locating component, can make the traveller be positioned on the arc chute to realize that the location area is fixed in the head.

The invention is further configured to: the locating component comprises an elastic piece and a locating concave hole, the locating concave hole is formed in the outer wall of the knob, the locating hole is formed in the fixing plate, the elastic piece is bent, two ends of the elastic piece are fixed in the locating hole, and the middle of the elastic piece is embedded in the locating concave hole.

Through adopting above-mentioned technical scheme, at knob pivoted in-process, the middle part and the different positions of shell fragment location shrinkage pool correspond, separate, under the knob stall circumstances, during the middle part embedding of shell fragment fixes a position the shrinkage pool, the knob location is realized to the frictional force of production, and is easy and simple to handle.

The invention is further configured to: the extrusion subassembly include splint, first oblique clamp face, the oblique clamp face of second and fourth elastic component, first oblique clamp face set up on the inner wall of lock sleeve, splint be located between lock sleeve and the registration arm, the oblique clamp face of second set up on the outer wall of splint and correspond with first oblique clamp face, adjacent pass through between the splint the fourth elastic component is connected.

By adopting the technical scheme, the locking sleeve rotates towards the direction close to the positioning tube, the first inclined clamping surface and the second inclined clamping surface are abutted, the clamping plates move towards the direction close to each other, the tube body is clamped by the clamping plates, and the tube body is fixed by the generated friction force, so that the tube body is not easy to pull out of the tube body by a patient; in a similar way, the locking sleeve is rotated towards the direction away from the positioning pipe, the elastic action of the fourth elastic piece is that the clamping plate moves towards the direction away from each other and is separated from the pipe body, and the pipe body can be conveniently taken out from the body of the patient by medical personnel.

The invention is further configured to: the inner wall of the clamping plate is provided with a fitting groove.

Through adopting above-mentioned technical scheme, the laminating recess increases the frictional force between splint and the body to be difficult for causing the damage to the body.

The invention is further configured to: the positioning belt is provided with an auxiliary rope, and the auxiliary rope is provided with an auxiliary pipe hanging mechanism.

Through adopting above-mentioned technical scheme, can realize accomodating the effect with being located external body location through supplementary string pipe mechanism, be difficult for causing the body to damage simultaneously.

The invention is further configured to: the auxiliary pipe hanging mechanism comprises a placing pipe, a fifth elastic part and a clamping plate, the placing pipe is fixedly connected with the auxiliary rope, a notch is formed in the side wall of the placing pipe, one end of the clamping plate is hinged to the inner wall of the placing pipe, and the two ends of the fifth elastic part are connected with the clamping plate and the inner wall of the placing pipe respectively.

Through adopting above-mentioned technical scheme, place the body in the breach is arranged in and is intraductal, through the elastic action of fifth elastic component, makes the body card between the cardboard and place the inner wall of pipe, realizes the body location, avoids the external body of patient to throw at will and causes inconvenience.

The invention is further configured to: the pipe body on be provided with the fixing base, the rotation is connected with the driving tube on the fixing base, driving tube sliding connection have be used for with the body contradict the ejector pin, the driving tube on seted up the arc wall, the fixing base on seted up the guiding groove, be fixed with the connecting rod on the ejector pin, the one end that the ejector pin was kept away from to the connecting rod passes the arc wall and places in the guiding groove.

Through adopting above-mentioned technical scheme, rotatory with the driving tube, make the ejector pin with the body extrusion seal, when medical personnel took the body from the patient is internal, avoided the water in the body to choke to the patient through the effect of atmospheric pressure, greatly promoted the guard action to the patient.

In conclusion, the invention has the following beneficial effects:

1. the anti-dropping device has better anti-dropping effect, and prevents the tube body from being pulled out of the body by the patient intentionally or unintentionally;

2. the positioning belt can adapt to patients with different head circumference only by rotating the knob, thereby greatly improving the practicability;

3. the sliding seat is moved along the length direction of the positioning belt, and the positioning of the sliding seat and the positioning pipe is realized by pressing the button, so that the device can adapt to patients with different facial shapes, and the practicability is further improved;

4. the locking sleeve is rotated, so that the pipe body can be released or the pipe body can be positioned through the extrusion assembly, the operation is simple and convenient, and the protection effect on the pipe body is improved through the arrangement of the attaching groove;

5. the auxiliary pipe hanging mechanism can hang the pipe body, so that inconvenience caused by random swinging due to overlong length of the pipe body is avoided;

6. before the tube body is pulled out, one end of the tube body is sealed by the ejector rod, water in the tube body is prevented from being led out under the action of atmospheric pressure, and the patient is effectively prevented from being choked.

Drawings

FIG. 1 is a schematic external view of the present invention;

FIG. 2 is a schematic structural diagram showing an auxiliary tube hanging mechanism;

FIG. 3 is a schematic structural view showing an adjustment mechanism;

FIG. 4 is a schematic structural diagram showing a positioning assembly;

FIG. 5 is a schematic view showing the construction of the extrusion assembly;

FIG. 6 is a schematic structural view of a conductive mechanism;

FIG. 7 is a schematic view showing a connection structure between the driving tube and the fixing base.

Reference numerals: 1. a pipe body; 11. a positioning belt; 2. an adjustment mechanism; 21. a fixing plate; 22. a knob; 23. a slide rail; 24. a slider; 25. a traveler; 26. a third elastic member; 27. an arc chute; 28. a straight groove; 29. a step; 3. a positioning assembly; 31. a spring plate; 32. positioning concave holes; 4. a slide base; 41. a positioning tube; 42. a locking sleeve; 51. a button; 52. a locking block; 6. a conducting mechanism; 61. a positioning sleeve; 62. a placement groove; 63. a Z-shaped groove; 64. a slide bar; 65. a first elastic member; 66. pressing a plate; 7. a torsion assembly; 71. a first inclined plane; 72. a second inclined plane; 8. an extrusion assembly; 81. a splint; 82. a first inclined clamping surface; 83. a second inclined clamping surface; 84. a fourth elastic member; 85. fitting the groove; 90. an auxiliary rope; 9. an auxiliary pipe hanging mechanism; 91. placing a tube; 92. a fifth elastic member; 93. clamping a plate; 100. a fixed seat; 101. a drive tube; 102. a top rod; 103. an arc-shaped slot; 104. a guide groove; 105. a connecting rod.

Detailed Description

The invention is further described with reference to the accompanying drawings.

As shown in the figure, the anti-falling nasogastric tube comprises a tube body 1 and a positioning belt 11 worn on the head. The positioning belt 11 is used for being sleeved on the head of a patient. In order to adapt to patients with different head circumference, an adjusting mechanism 2 is arranged on the positioning belt 11.

The adjusting mechanism 2 includes a fixing plate 21, a knob 22, a slide rail 23, a slider 24, a slide column 25, a second elastic member, a third elastic member 26, an arc-shaped inclined slot 27 and a straight slot 28. Two arc-shaped inclined grooves 27 and two straight grooves 28 are opened on the outer wall of the knob 22, and the arc-shaped inclined grooves 27 and the straight grooves 28 are arranged at intervals. A step 29 is formed between the upper end of the straight groove 28 and the upper end of the arc chute 27, and the lower end of the straight groove 28 is communicated with the lower end of the arc chute 27 and is in smooth transition. I.e., the arc chute 27 gradually decreases in depth from top to bottom.

A slide hole is formed in a side wall of the slider 24, and the spool 25 is slidably connected to the slide hole. The two ends of the second elastic element (not shown in the figure) are respectively connected with the sliding column 25 and the inner wall of the sliding hole. The end of the slide post 25 remote from the second resilient member is slidably connected in an arcuate chute 27 or a straight chute 28. Both ends of the third elastic member 26 are respectively connected to the slider 24 and the slide rail 23 for applying a restoring elastic force to the slider 24. The positioning belt 11 is inserted into the fixing plate 21, and the slider 24 is fixedly connected to the positioning belt 11.

The knob 22 is rotatably connected to the fixing plate 21, the slide rail 23 is fixed inside the fixing plate 21, and the axial centers of the straight groove 28 and the knob 22 are parallel to the longitudinal direction of the slide rail 23.

When the knob 22 is turned, the sliding column 25 moves along the arc-shaped inclined groove 27 to the direction close to the straight groove 28, the deformation amount of the third elastic member 26 is gradually increased, the sliding column 25 drives the sliding block 24 to move along the length direction of the sliding rail 23, so that the sliding block 24 can tension the positioning belt 11, and the sliding column 25 is ensured to abut against the arc-shaped inclined groove 27 or abut against the straight groove 28 through the elastic force of the second elastic member. When the sliding column 25 is placed in the straight groove 28, the sliding column 25 moves along the straight groove 28 and is placed in the arc-shaped inclined groove 27 through the elastic force of the third elastic piece 26, and meanwhile, the sliding block 24 is reset, and the positioning belt 11 is loosened; thereby being suitable for patients with different head circumference. By the arrangement of the step 29, unidirectional rotation of the knob 22 is achieved.

In order to facilitate the positioning of the knob 22, a positioning assembly 3 is provided between the knob 22 and the fixing plate 21. The knob 22 is positioned by the positioning component 3, so that the sliding column 25 can be positioned on the arc-shaped chute 27, and the positioning belt 11 is fixed on the head of the patient.

The positioning component 3 comprises a spring plate 31 and a plurality of positioning concave holes 32, the positioning concave holes 32 are arranged on the outer wall of the knob 22, and positioning holes are arranged on the fixing plate 21. The elastic sheet 31 is bent into a U shape or a V shape, and both ends are fixed in the positioning holes. The middle part of the elastic sheet 31 is embedded in a positioning concave hole 32.

In the process of rotation of the knob 22, the middle part of the elastic sheet 31 corresponds to and is separated from the positioning concave hole 32 at different positions, and when the knob 22 stops rotating, the middle part of the elastic sheet 31 is embedded into the positioning concave hole 32, and the knob 22 is positioned by the generated friction force, so that the operation is simple and convenient.

The positioning belt 11 is slidably connected with a positioning pipe 41 through a sliding seat 4, a button 51 and a locking block 52 are slidably connected on the sliding seat 4, and a conduction mechanism 6 is arranged between the button 51 and the locking block 52. The push button 51 is pressed and the locking block 52 is pressed against the positioning belt 11 and twisted by the conducting mechanism 6, so that the slide 4 is fixed on the positioning belt 11 or the slide 4 can be slidably connected to the positioning belt 11.

The conducting mechanism 6 comprises a positioning sleeve 61, a placing groove 62, a Z-shaped groove 63, a sliding rod 64, a first elastic member 65 and a pressing plate 66. The slide 4 is provided with a mounting hole, a communicating hole and a placing concave hole, the mounting hole corresponds to the placing concave hole, and the communicating hole passes through the mounting hole and the placing concave hole.

The positioning sleeve 61 is fixed in the mounting hole, and the length of the positioning sleeve 61 is smaller than that of the mounting hole; the positioning belt 11 is arranged in the communicating hole in a penetrating way; the two ends of the first elastic member 65 are respectively connected with the inner wall of the concave hole and the pressing plate 66, and the pressing plate 66 is located at the opening of the concave hole.

The button 51 is slidably connected within the positioning sleeve 61. The slide 64 is secured to the side wall of the lock block 52. The Z-shaped groove 63 is opened at the end of the positioning sleeve 61, and the placing groove 62 is opened on the side wall of the positioning sleeve 61. The sliding rod 64 is embedded in the Z-shaped groove 63 or placed in the placing groove 62. The locking block 52 moves along with the button 51 and moves out of the positioning sleeve 61, and the sliding rod 64 corresponds to the Z-shaped groove 63 or the placing groove 62 by rotating the twisting assembly 7 for a certain angle. A clamping area for clamping the positioning belt 11 is formed between the pressing plate 66 and the locking block 52.

The torsion assembly 7 includes a first ramp 71 and a second ramp 72. The first inclined plane 71 is arranged on the button 51, and the second inclined plane 72 is arranged on the locking block 52; the first inclined surface 71 is disposed opposite to the second inclined surface 72. And the first inclined surface 71 and the second inclined surface 72 are arranged in a staggered manner in the positioning sleeve 61.

The positioning belt 11 penetrates through the communicating hole, the button 51 is pressed, the button 51 pushes the locking block 52 out of the positioning sleeve 61, the first inclined surface 71 and the second inclined surface 72 are changed from dislocation to alignment, the locking block 52 rotates for a certain angle, at the moment, the sliding rod 64 corresponds to the Z-shaped groove 63, and the first elastic piece 65 deforms. The pressing plate 66 and the locking block 52 tightly press the two sides of the positioning belt 11, and the twisting generated by the locking block 52 further increases the friction force between the positioning belt 11 and the positioning belt. The push button 51 is released, the slide rod 64 is embedded in the Z-shaped groove 63 through the elastic force of the first elastic member 65, and then the locking block 52 is positioned and the sliding seat 4 is positioned.

Similarly, the button 51 is pressed again, the locking block 52 is abutted to the button 51, the first inclined surface 71 and the second inclined surface 72 are changed from dislocation to alignment, the locking block 52 rotates by a certain angle, the sliding rod 64 is separated from the Z-shaped groove 63 and corresponds to the placing groove 62, after the button 51 is loosened, the sliding rod 64 slides into the placing groove 62 under the action of the elastic force of the first elastic piece 65, the first elastic piece 65 is changed from a compression state to a loosening state, at the moment, the pressure of the locking block 52 and the pressing plate 66 on the positioning belt 11 is reduced, and the sliding seat 4 can slide along the positioning groove.

The tube body 1 is inserted into the patient after passing through the positioning tube 41. A locking sleeve 42 is screwed on the positioning tube 41, and the locking sleeve 42 is rotated to position the tube body 1 by the pressing assembly 8.

The compression assembly 8 includes a clamp plate 81, a first inclined clamp surface 82, a second inclined clamp surface 83 and a fourth resilient member 84. The first inclined clamping surface 82 is arranged on the inner wall of the locking sleeve 42; the second inclined clamping surface 83 is opened on the outer wall of the clamping plate 81 and corresponds to the first inclined clamping surface 82. The clamp plate 81 is located between the locking sleeve 42 and the positioning tube 41. The adjacent two clamping plates 81 are connected by the fourth elastic member 84. The tubular body 1 is passed through the space surrounded by the plurality of clamping plates 81.

In order to promote the protective effect on the pipe body 1, a fitting groove 85 is formed in the inner wall of the clamping plate 81, so that the outer wall of the pipe body 1 is abutted against the fitting groove 85.

With the direction rotation of lock sleeve 42 toward being close to registration arm 41, first oblique clamp surface 82 contradicts with the oblique clamp surface 83 of second and makes splint 81 move toward the direction that is close to each other, and splint 81 presss from both sides tight body 1, and the frictional force of production realizes that body 1 is fixed, makes the patient be difficult for taking body 1 out from the internal. Similarly, the locking sleeve 42 is rotated in the direction away from the positioning tube 41, and the clamping plates 81 are moved in the direction away from each other and separated from the tube body 1 under the action of the elastic force of the fourth elastic member 84, so that the medical staff can conveniently pull the tube body 1 out of the patient body along the positioning tube 41.

An auxiliary rope 90 is provided on the positioning belt 11, and an auxiliary pipe hanging mechanism 9 is provided on the auxiliary rope 90. The auxiliary pipe hanging mechanism 9 comprises a placing pipe 91, a fifth elastic piece 92 and a clamping plate 93. Place the outer wall of pipe 91 and supplementary rope 90 fixed connection, place and seted up the breach on the lateral wall of pipe 91. The clamping plate 93 is located inside the placing tube 91, and one end thereof is hinged on the inner wall of the placing tube 91. The two ends of the fifth elastic member 92 are connected to the clamping plate 93 and the inner wall of the placing tube 91, respectively.

Arrange body 1 in placing pipe 91 by the breach, through the elastic action of fifth elastic component 92, make cardboard 93 contradict with the outer wall of body 1, make body 1 card on the inner wall of placing pipe 91 to realize body 1 location. The pipe body 1 between the placing pipe 91 and the positioning pipe 41 can be bent into a U-shape to achieve the effect of housing the pipe body 1.

A fixing seat 100 is fixedly connected to an end of the tube body 1 far away from the patient, so that the tube body 1 is inserted into the fixing seat 100. The fixed seat 100 is rotatably connected with a driving tube 101 through a bearing, and a push rod 102 which is used for abutting against the tube body 1 is slidably connected in the driving tube 101. The driving tube 101 is provided with an arc-shaped groove 103, the fixing seat 100 is provided with a guide groove 104, and the top rod 102 is fixed with a connecting rod 105. One end of the connecting rod 105 far away from the top rod 102 passes through the arc-shaped groove 103 and is arranged in the guide groove 104.

Because during daily use, have water in the body 1, when needing to pull out body 1, rotatory drive tube 101 makes ejector pin 102 extrude body 1 and seal, when medical personnel took body 1 from the patient internal extraction, avoided the interior water of body 1 to spill and chock to the patient through the effect of atmospheric pressure, greatly promoted the guard action to the patient.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides an anticreep nasogastric tube which characterized by: including the body with wear the location area of locating the head, the location area on be provided with adjustment mechanism, the location area have a registration arm through slide sliding connection, the slide on sliding connection have a button and a latch segment, be provided with conduction mechanism between button and the latch segment, press down the button and pass through conduction mechanism makes the latch segment contradict and twist reverse with the location area, the body wear to locate in the registration arm, the registration arm on threaded connection have the lock sleeve, the lock sleeve rotatory and make the body location through the extrusion subassembly.

2. The anti-detachment nasogastric tube according to claim 1, wherein: the conduction mechanism include position sleeve, standing groove, Z-shaped groove, slide bar, first elastic component, clamp plate, the slide on seted up mounting hole, intercommunicating pore and place the shrinkage pool, the position sleeve be fixed in the mounting hole, the positioning belt is worn to locate in the intercommunicating pore, the both ends of first elastic component are connected with inner wall, the clamp plate of placing the shrinkage pool respectively, the mounting hole corresponds with placing the shrinkage pool, button sliding connection in the position sleeve, the slide bar is fixed in on the lateral wall of latch segment, the tip of position sleeve is seted up to the Z-shaped groove, the standing groove is seted up on the lateral wall of position sleeve, the slide bar inlays to be located in the Z-shaped inslot or arranges the standing groove in, the latch segment removes and shifts out from the position sleeve along with the button to rotate through twisting the subassembly, form the tight district of clamp tight positioning belt between clamp plate and the.

3. The anti-detachment nasogastric tube according to claim 2, wherein: the torsion assembly comprises a first inclined plane and a second inclined plane, the first inclined plane is arranged on the button, the second inclined plane is arranged on the locking block, and the first inclined plane and the second inclined plane are arranged in the positioning sleeve in a staggered mode.

4. The anti-detachment nasogastric tube according to claim 1, wherein: the adjusting mechanism comprises a fixed plate, a knob, a slide rail, a slide block, a slide column, a second elastic part, a third elastic part, an arc chute and a straight groove, the arc chute and the straight groove are arranged on the outer wall of the knob, a step is formed between the upper end of the straight groove and the upper end of the arc chute, the lower end of the straight groove is communicated with the lower end of the arc chute and is in smooth transition, the two ends of the second elastic piece are respectively connected with the sliding column and the sliding block, the sliding column is connected in an arc chute or a straight chute in a sliding way, two ends of the third elastic part are respectively connected with the sliding block and the sliding rail, the positioning belt is arranged in the fixing plate in a penetrating way, the sliding block is connected with the positioning belt, the knob is rotationally connected on the fixing plate, a positioning assembly is arranged between the knob and the fixing plate, the sliding rail is fixed on the fixing plate, and the straight groove is parallel to the length direction of the sliding rail.

5. The anti-detachment nasogastric tube according to claim 4, wherein: the locating component comprises an elastic piece and a locating concave hole, the locating concave hole is formed in the outer wall of the knob, the locating hole is formed in the fixing plate, the elastic piece is bent, two ends of the elastic piece are fixed in the locating hole, and the middle of the elastic piece is embedded in the locating concave hole.

6. The anti-detachment nasogastric tube according to claim 1, wherein: the extrusion subassembly include splint, first oblique clamp face, the oblique clamp face of second and fourth elastic component, first oblique clamp face set up on the inner wall of lock sleeve, splint be located between lock sleeve and the registration arm, the oblique clamp face of second set up on the outer wall of splint and correspond with first oblique clamp face, adjacent pass through between the splint the fourth elastic component is connected.

7. The anti-detachment nasogastric tube of claim 6, wherein: the inner wall of the clamping plate is provided with a fitting groove.

8. The anti-detachment nasogastric tube according to claim 1, wherein: the positioning belt is provided with an auxiliary rope, and the auxiliary rope is provided with an auxiliary pipe hanging mechanism.

9. The anti-detachment nasogastric tube of claim 8, wherein: the auxiliary pipe hanging mechanism comprises a placing pipe, a fifth elastic part and a clamping plate, the placing pipe is fixedly connected with the auxiliary rope, a notch is formed in the side wall of the placing pipe, one end of the clamping plate is hinged to the inner wall of the placing pipe, and the two ends of the fifth elastic part are connected with the clamping plate and the inner wall of the placing pipe respectively.

10. The anti-detachment nasogastric tube according to claim 1, wherein: the pipe body on be provided with the fixing base, the rotation is connected with the driving tube on the fixing base, driving tube sliding connection have be used for with the body contradict the ejector pin, the driving tube on seted up the arc wall, the fixing base on seted up the guiding groove, be fixed with the connecting rod on the ejector pin, the one end that the ejector pin was kept away from to the connecting rod passes the arc wall and places in the guiding groove.