CN113350192B

CN113350192B - Nasogastric tube assembly with positioning function

Info

Publication number: CN113350192B
Application number: CN202110704611.4A
Authority: CN
Inventors: 傅晓燕; 杨耕; 梁大梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2022-08-12
Anticipated expiration: 2041-06-24
Also published as: CN113350192A

Abstract

The invention discloses a nasogastric tube assembly with a positioning function, which comprises a nasogastric tube body, wherein a plug is fixedly installed at the bottom end of the nasogastric tube body, a positioning box is installed on the outer side of the plug, a sealing door is hinged to the front end face of the positioning box, a transparent window is arranged inside the sealing door, a transparent water tank is installed inside the positioning box, clamping mechanisms located inside the positioning box are installed on two sides of the nasogastric tube body, positioning mechanisms located inside the positioning box are installed on two sides of the transparent water tank, a leakage-preventing mechanism is installed inside the transparent water tank, each clamping mechanism comprises a first moving rod, a first handle is fixedly installed at the top end of the first moving rod, and a first spring is fixedly installed on the lower end face of the first handle. This nasogastric tube subassembly with locate function, convenient to use can fix a position stomach tube position, and the stability and the security of connecting are high, can effectively avoid the device rivers to flow when empting.

Description

Nasogastric tube assembly with positioning function

Technical Field

The invention relates to the technical field of nasogastric tubes, in particular to a nasogastric tube assembly with a positioning function.

Background

Because patients with dysphagia caused by various diseases are more and more, dysphagia is a main risk factor causing aspiration, the aspiration rate of patients with dysphagia is 48% -55%, the incidence rate of inhalation pneumonia reported in China is up to 48.6%, and dysphagia is an independent risk factor of malnutrition, so the rehabilitation demand for eating the dysphagia is increased day by day, inserting a gastric tube from a nasal cavity is a medical measure for supplementing energy to patients with dysphagia, and all patients who cannot eat in the oral cavity need to input food or medicines into the body through the gastric tube, however, the existing nasogastric tube assembly has the problem that medical staff cannot confirm whether the nasogastric tube is in the stomach of the patients when inserting the nasogastric tube, and once the nasogastric tube is not in the stomach of the patients but in other areas, the bodies of the patients are easily injured again.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a nasogastric tube assembly with a positioning function, which solves the problems that when the conventional nasogastric tube assembly is inserted, a medical worker cannot confirm whether a nasogastric tube is in the stomach of a patient, and once the nasogastric tube is not in the stomach of the patient but in other areas, the body of the patient is easily injured again.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a nasogastric tube assembly with a positioning function comprises a nasogastric tube body, a plug is fixedly mounted at the bottom end of the nasogastric tube body, a positioning box is mounted on the outer side of the plug, a sealing door is hinged to the front end face of the positioning box, a transparent window is arranged inside the sealing door, a transparent water tank is mounted inside the positioning box, clamping mechanisms located inside the positioning box are mounted on two sides of the nasogastric tube body, positioning mechanisms located inside the positioning box are mounted on two sides of the transparent water tank, a leakage-preventing mechanism is mounted inside the transparent water tank, each clamping mechanism comprises a moving rod, a first handle is fixedly mounted at the top end of the first moving rod, a first spring is fixedly mounted on the lower end face of the first handle, the first spring and the first moving rod form an elastic structure, and the top end of the first spring is connected with the first handle through a screw, the bottom end of the first spring is connected with the outer surface of the positioning box through a screw.

Preferably, the bottom fixed mounting of carriage release lever has the locating piece, the locating piece passes through screw connection with waist type groove, the locating piece passes through the spout with the inner wall of location box and is connected, the inside of locating piece is provided with waist type groove, the inside sliding connection in waist type groove has horizontal clamping bar, the lower terminal surface fixed mounting of horizontal clamping bar has the slider, and the slider passes through the slide with the location box and be connected, the one end fixed mounting of horizontal clamping bar has rubber tie plate, and rubber tie plate's surface is equipped with anti-skidding granule.

Preferably, positioning mechanism includes the carriage release lever No. two, the one end fixed mounting of No. two carriage release levers has No. two handles, one side fixed mounting of No. two handles has No. two springs, the one end of No. two springs and No. two handles pass through the screw connection, the other end of No. two springs passes through the screw connection with the inner wall of location box, No. two carriage release levers pass through the columnar order groove with the location box and are connected.

Preferably, the one end fixed mounting of No. two carriage release levers has the connecting rod, No. two carriage release levers and connecting rod structure as an organic whole, two No. three springs are installed to one side symmetry of connecting rod, No. three springs constitute elastic construction with the connecting rod, the one end and the connecting rod of No. three springs pass through screw connection, the other end and the inner wall of location box of No. three springs pass through screw connection.

Preferably, the up end activity of connecting rod articulates there are two push rods, the push rod passes through the minor axis with the connecting rod and is connected, the one end swing joint of push rod has the connecting piece, the push rod passes through the minor axis with the connecting piece and is connected, the one end fixedly connected with arc kelly of connecting piece, two the inside swing joint of arc kelly has the fixed block, the arc kelly passes through the minor axis with the fixed block and is connected, fixed block and location box structure as an organic whole.

Preferably, prevent leaking the mechanism and include the wedge, the inside central point of wedge puts the department and has seted up the connecting hole, the inner wall fixed mounting of connecting hole has the sealing washer, four equal fixed mounting of extreme angle departments of terminal surface have No. four springs under the wedge, the lower terminal surface fixed mounting of No. four springs has the installation piece that is located transparent water tank inner wall.

Preferably, No. four springs and wedge block group become elastic construction, No. four springs's top and wedge block pass through the screw connection, No. four springs's bottom and installation piece pass through the screw connection, installation piece and transparent water tank structure as an organic whole.

Preferably, the center position department activity of terminal surface has four bracing pieces under the wedge, the bottom activity of bracing piece articulates there is the movable block, one side fixed mounting of movable block has No. five springs, the movable block passes through the minor axis with the bracing piece and is connected, No. five springs and movable block constitute elastic construction, the one end of No. five springs passes through the screw connection with the inner wall of installation piece, the other end of No. five springs passes through the screw connection with the movable block.

(III) advantageous effects

The invention provides a nasogastric tube assembly with a positioning function. The method has the following beneficial effects:

(1) this nasogastric tube subassembly with locate function, the removal of the steerable carriage release lever of effect through a spring and locating piece, the removal of the steerable horizontal clamping bar of effect through the removal of locating piece and waist type groove can play the clamping action to the nasogastric tube body through the removal of horizontal clamping bar, avoids the nasogastric tube body to buckle and influence the location in the inside of location box.

(2) This nasogastric tube subassembly with locate function, the removal of the steerable carriage release lever of effect through No. two springs, the removal of the steerable connecting rod of removal through No. two carriage release levers, the rotation of the steerable push rod of removal through the connecting rod, and then can drive the rotation of connecting piece and arc kelly, the fixed connection of location box and transparent water tank of being convenient for through the rotation of arc kelly, avoid the inside rivers of transparent water tank to spill over because of transparent water tank installation is unstable, and do not influence the intubate, the hygiene nature and the security of the device have been improved.

(3) This nasogastric tube subassembly with locate function, the removal of the steerable movable block of effect through No. five springs, and then the rotation of steerable bracing piece to the removal of steerable wedge through the cooperation of wedge and transparent water tank, can effectively avoid the device rivers to spill over when empting, has improved the device's security.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the positioning box of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 2 according to the present invention;

FIG. 5 is a schematic cross-sectional view of a transparent water tank according to the present invention;

FIG. 6 is an enlarged view of the structure of FIG. 5 at C according to the present invention.

In the figure: 1. a nasogastric tube body; 2. a positioning box; 3. a sealing door; 4. a transparent window; 5. a plug; 6. a transparent water tank; 7. a clamping mechanism; 701. a first moving rod; 702. a first handle; 703. a first spring; 704. positioning blocks; 705. a waist-shaped groove; 706. a transverse clamping bar; 8. a positioning mechanism; 801. a second movable rod; 802. a second handle; 803. a second spring; 804. a connecting rod; 805. a third spring; 806. a push rod; 807. a connecting member; 808. an arc-shaped clamping rod; 809. a fixed block; 9. an anti-leakage mechanism; 901. a wedge block; 902. connecting holes; 903. a seal ring; 904. a fourth spring; 905. mounting blocks; 906. a support bar; 907. a moving block; 908. and a fifth spring.

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.

As shown in fig. 1 to 6, the present invention provides a technical solution: a nasogastric tube component with a positioning function comprises a nasogastric tube body 1, a positioning box 2, a sealing door 3, a transparent window 4, a plug 5, a transparent water tank 6, a clamping mechanism 7, a first moving rod 701, a first handle 702, a first spring 703, a positioning block 704, a waist-shaped groove 705, a transverse clamping rod 706, a positioning mechanism 8, a second moving rod 801, a second handle 802, a second spring 803, a connecting rod 804, a third spring 805, a push rod 806, a connecting piece 807, an arc-shaped clamping rod 808, a fixing block 809, a leakage-proof mechanism 9, a wedge-shaped block 901, a connecting hole 902, a sealing ring 903, a fourth spring 904, an installation block 905, a supporting rod 906, a moving block 907 and a fifth spring 908, wherein the plug 5 is fixedly installed at the bottom end of the nasogastric tube body 1, the positioning box 2 is installed on the outer side of the plug 5, the sealing door 3 is hinged to the front end face of the positioning box 2, and the transparent window 4 is arranged inside the sealing door 3, the internal condition of the positioning box 2 is convenient to observe, the transparent water tank 6 is arranged in the positioning box 2, the position of the nasogastric tube body 1 is convenient to detect, the clamping mechanisms 7 positioned in the positioning box 2 are arranged on two sides of the nasogastric tube body 1, the positioning mechanisms 8 positioned in the positioning box 2 are arranged on two sides of the transparent water tank 6, the anti-leakage mechanism 9 is arranged in the transparent water tank 6, the clamping mechanism 7 comprises a moving rod 701, a handle 702 is fixedly arranged at the top end of the moving rod 701, a spring 703 is fixedly arranged on the lower end face of the handle 702, the spring 703 and the moving rod 701 form an elastic structure, the top end of the spring 703 is connected with the handle 702 through screws, the bottom end of the spring 703 is connected with the outer surface of the positioning box 2 through screws, the movement of the first moving rod 701 can be controlled through the action of the first spring 703;

a positioning block 704 is fixedly installed at the bottom end of the first moving rod 701, the positioning block 704 is connected with the waist-shaped groove 705 through screws, the positioning block 704 is connected with the inner wall of the positioning box 2 through a sliding groove, the waist-shaped groove 705 is formed in the positioning block 704, a transverse clamping rod 706 is connected with the waist-shaped groove 705 in a sliding mode, the transverse clamping rod 706 can be driven to transversely move through the movement of the positioning block 704, a sliding block is fixedly installed on the lower end face of the transverse clamping rod 706, the sliding block is connected with the positioning box 2 through a sliding way, a rubber cushion plate is fixedly installed at one end of the transverse clamping rod 706, anti-slip particles are arranged on the outer surface of the rubber cushion plate, the movement of the waist-shaped groove 705 can be limited through the matching of the sliding block and the sliding way, and the movement stability of the transverse clamping rod 706 is improved;

the positioning mechanism 8 comprises a second moving rod 801, one end of the second moving rod 801 is fixedly provided with a second handle 802, one side of the second handle 802 is fixedly provided with a second spring 803, one end of the second spring 803 is connected with the second handle 802 through a screw, the other end of the second spring 803 is connected with the inner wall of the positioning box 2 through a screw, the second moving rod 801 is connected with the positioning box 2 through a cylindrical groove, and the movement of the second moving rod 801 can be controlled through the action of the second spring 803;

one end of the second moving rod 801 is fixedly provided with a connecting rod 804, the second moving rod 801 and the connecting rod 804 are of an integrated structure, one side of the connecting rod 804 is symmetrically provided with two third springs 805, the third springs 805 and the connecting rod 804 form an elastic structure, one end of each third spring 805 is connected with the connecting rod 804 through a screw, the other end of each third spring 805 is connected with the inner wall of the positioning box 2 through a screw, and the movement of the connecting rod 804 can be limited through the action of the third springs 805;

two push rods 806 are movably hinged to the upper end face of the connecting rod 804, the push rods 806 are connected with the connecting rod 804 through short shafts, one ends of the push rods 806 are movably connected with a connecting piece 807, the push rods 806 are connected with the connecting piece 807 through the short shafts, one ends of the connecting pieces 807 are fixedly connected with arc-shaped clamping rods 808, fixing blocks 809 are movably connected inside the two arc-shaped clamping rods 808, the arc-shaped clamping rods 808 are connected with the fixing blocks 809 through the short shafts, the fixing blocks 809 and the positioning box 2 are of an integrated structure, the push rods 806 can be driven to rotate through movement of the connecting rod 804, the connecting piece 807 can be driven to rotate, and the arc-shaped clamping rods 808 can be driven to rotate through rotation of the connecting piece 807;

the anti-leakage mechanism 9 comprises a wedge block 901, a connecting hole 902 is formed in the center of the inside of the wedge block 901, a sealing ring 903 is fixedly installed on the inner wall of the connecting hole 902, four end corners of the lower end face of the wedge block 901 are fixedly provided with four springs 904, the lower end face of each of the four springs 904 is fixedly provided with an installation block 905 located on the inner wall of the transparent water tank 6, and water flow can be prevented from flowing out when the device is not used under the action of the connecting hole 902 and the sealing ring 903, and the nasogastric tube body 1 is not influenced to be inserted;

the fourth spring 904 and the wedge block 901 form an elastic structure, the top end of the fourth spring 904 is connected with the wedge block 901 through a screw, the bottom end of the fourth spring 904 is connected with the mounting block 905 through a screw, the mounting block 905 and the transparent water tank 6 are of an integrated structure, and the movement of the wedge block 901 can be limited through the connection of the fourth spring 904;

four support rods 906 are movably hinged to the center of the lower end face of the wedge block 901, a moving block 907 is movably hinged to the bottom end of each support rod 906, a fifth spring 908 is fixedly mounted on one side of each moving block 907, the moving blocks 907 are connected with the support rods 906 through short shafts, the fifth springs 908 and the moving blocks 907 form an elastic structure, one ends of the fifth springs 908 are connected with the inner wall of the mounting block 905 through screws, the other ends of the fifth springs 908 are connected with the moving blocks 907 through screws, the moving block 907 can be limited through the action of the fifth springs 908, and the wedge block 901 can be supported through rotation of the support rods 906.

When the nasogastric tube is used, a user can insert one end of the nasogastric tube body 1 into the stomach of a patient, then the user can sleeve the other end of the nasogastric tube body 1 with the plug 5, at the moment, the user can grasp the first handle 702 and move the first handle 702 upwards, the movement of the first handle 702 can drive the first moving rod 701 to move upwards, the first spring 703 is stretched, the upward movement of the first moving rod 701 can drive the positioning block 704 to move upwards, the transverse clamping rod 706 moves outwards under the action of the waist-shaped groove 705, at the moment, the user can insert the plug 5 into the positioning box 2 and then place the plug into the transparent water tank 6, at the moment, the user can loosen the first handle 702, the resilience of the first spring 703 can drive the downward movement of the first moving rod 701, the downward movement of the first moving rod 701 can drive the positioning block 704 to move downwards, at the transverse clamping rod 706 moves inwards under the action of the waist-shaped groove 705, the nasogastric tube body 1 can be clamped, the nasogastric tube body 1 is prevented from being bent in the positioning box 2 to influence positioning, when a user observes that bubble reaction occurs in water in the transparent water tank 6 through the transparent window 4, the nasogastric tube body 1 can be determined not to be curled in the pharynx of a patient and enters the stomach of the patient, the position of the nasogastric tube can be conveniently confirmed, and the safety of the device and the comfort of the user are improved;

in the using process of the device, once the positioning box 2 is toppled over, the fifth spring 908 is driven to move to one side under the action of water flow, the fifth spring 908 is stretched, the supporting rod 906 rotates, and the fourth spring 904 is stretched, so that the outer surface of the wedge-shaped block 901 is attached to the inner wall of the transparent water tank 6, the transparent water tank 6 is conveniently and fixedly connected with the wedge-shaped block 901, the water flow can be effectively prevented from overflowing, meanwhile, the connecting hole 902 can be sealed under the action of the sealing ring 903, the water flow is prevented from overflowing, the intubation tube is not affected, and the sanitation and safety of the device are improved;

after the device is used, water flow in the transparent water tank 6 needs to be poured and replaced, a user can grasp the second handle 802 and move the second handle 802 to one side, the second handle 802 moves to drive the second movable rod 801 to move inwards, the second spring 803 is compressed, at the moment, the second movable rod 801 moves to drive the connecting rod 804 to move, the third spring 805 is stretched, the connecting rod 804 moves to drive the push rod 806 to rotate, the push rod 806 rotates to drive the connecting piece 807 to rotate, further the arc-shaped clamping rod 808 can be driven to rotate, when the arc-shaped clamping rod 808 is disconnected with the outer surface of the transparent water tank 6, the user can take out the transparent water tank 6, then the user can press the wedge 901 downwards, the downward movement of the wedge 901 can compress the fourth spring 904, the support rod 906 reversely rotates, and the moving block 907 moves in the mounting block 905, at this time, the five-spring 908 is compressed to expose the inside of the transparent water tank 6, so as to facilitate the pouring of the saline inside the transparent water tank 6, thereby improving the utilization rate and safety of the device, which is the use process of the nasogastric tube assembly with positioning function, and the content not described in detail in the present specification is the prior art well known to those skilled in the art.

In conclusion, the nasogastric tube assembly with positioning function can control the movement of the first moving rod 701 and the positioning block 704 through the action of the first spring 703 in the using process, the movement of the transverse clamping rod 706 can be controlled through the movement of the positioning block 704 and the action of the waist-shaped groove 705, the movement of the transverse clamping rod 706 can clamp the nasogastric tube body 1, the nasogastric tube body 1 is prevented from being bent in the positioning box 2 to influence the positioning, meanwhile, the movement of the second moving rod 801 can be controlled through the action of the second spring 803, the movement of the connecting rod 804 can be controlled through the movement of the second moving rod 801, the rotation of the push rod 806 can be controlled through the movement of the connecting rod 804, further, the rotation of the connecting piece 807 and the arc clamping rod 808 can be driven, the fixed connection between the positioning box 2 and the transparent water tank 6 is facilitated through the rotation of the arc clamping rod 808, and the overflow of water flow in the transparent water tank 6 due to instable installation of the transparent water tank 6 can be avoided, the intubation is not affected, the sanitation and the safety of the device are improved, the movement of the moving block 907 can be controlled through the action of the five-spring 908, the rotation of the supporting rod 906 can be further controlled, the movement of the wedge-shaped block 901 can be controlled, the water flow overflow of the device during toppling can be effectively avoided through the matching of the wedge-shaped block 901 and the transparent water tank 6, and the safety of the device is improved.

It is noted that, herein, relational terms such as first and second, and the like may be 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 an … …" does not exclude the presence of other identical elements 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. The utility model provides a nasogastric tube subassembly with locate function, includes nasogastric tube body (1), its characterized in that: a plug (5) is fixedly installed at the bottom end of the nasogastric tube body (1), a positioning box (2) is installed on the outer side of the plug (5), a transparent water tank (6) is installed inside the positioning box (2), a sealing door (3) is hinged to the front end face of the positioning box (2), a transparent window (4) for observing the nasogastric tube body (1) to perform bubble reaction in water inside the transparent water tank (6) to determine the position of the nasogastric tube body (1) is arranged inside the sealing door (3), clamping mechanisms (7) located inside the positioning box (2) are installed on two sides of the nasogastric tube body (1), positioning mechanisms (8) located inside the positioning box (2) are installed on two sides of the transparent water tank (6), and a leakage-preventing mechanism (9) is installed inside the transparent water tank (6);

the clamping mechanism (7) comprises a first moving rod (701), a first handle (702) is fixedly installed at the top end of the first moving rod (701), a first spring (703) is fixedly installed on the lower end face of the first handle (702), the first spring (703) and the first moving rod (701) form an elastic structure, the top end of the first spring (703) is connected with the first handle (702) through a screw, and the bottom end of the first spring (703) is connected with the outer surface of the positioning box (2) through a screw;

the bottom fixed mounting of a carriage release lever (701) has locating piece (704), locating piece (704) passes through screw connection with waist type groove (705), locating piece (704) passes through the spout with the inner wall of location box (2) and is connected, the inside of locating piece (704) is provided with waist type groove (705), the inside sliding connection of waist type groove (705) has horizontal clamping bar (706), the lower terminal surface fixed mounting of horizontal clamping bar (706) has the slider, and the slider passes through the slide with location box (2) and is connected, the one end fixed mounting of horizontal clamping bar (706) has rubber tie plate, and rubber tie plate's surface is equipped with anti-skidding granule.

2. The nasogastric tube assembly with positioning function of claim 1, wherein: positioning mechanism (8) are including carriage release lever (801) No. two, the one end fixed mounting of carriage release lever (801) has handle (802) No. two, one side fixed mounting of handle (802) No. two has spring (803) No. two, the one end and the handle (802) of No. two spring (803) pass through the screw connection, the other end and the inner wall of location box (2) of spring (803) pass through the screw connection, carriage release lever (801) and location box (2) pass through the columnar groove and are connected.

3. The nasogastric tube assembly with positioning function of claim 2, wherein: the one end fixed mounting of No. two carriage release lever (801) has connecting rod (804), No. two carriage release lever (801) and connecting rod (804) are integrated structure, two No. three springs (805) are installed to one side symmetry of connecting rod (804), No. three spring (805) and connecting rod (804) constitute elastic construction, the one end and the connecting rod (804) of No. three spring (805) pass through screwed connection, the other end and the inner wall of location box (2) of No. three spring (805) pass through screwed connection.

4. The nasogastric tube assembly with positioning function of claim 3, wherein: the utility model discloses a fixing box, including connecting rod (804), push rod (806), connecting rod (804), connecting rod (806), connecting rod (809), push rod (806) and connecting rod (804) are connected through the minor axis, the one end swing joint of push rod (806) has connecting piece (807), push rod (806) and connecting piece (807) are connected through the minor axis, the one end fixedly connected with arc kelly (808) of connecting piece (807), two the inside swing joint of arc kelly (808) has fixed block (809), arc kelly (808) and fixed block (809) are connected through the minor axis, fixed block (809) and location box (2) structure as an organic whole.

5. The nasogastric tube assembly with positioning function of claim 1, wherein: the anti-leakage mechanism (9) comprises a wedge block (901), a connecting hole (902) is formed in the center of the inside of the wedge block (901), a sealing ring (903) is fixedly mounted on the inner wall of the connecting hole (902), four end corners of the lower end face of the wedge block (901) are fixedly mounted with four springs (904), and a mounting block (905) located on the inner wall of the transparent water tank (6) is fixedly mounted on the lower end face of each spring (904).

6. The nasogastric tube assembly with positioning function of claim 5, wherein: the spring type water tank is characterized in that the four springs (904) and the wedge block (901) form an elastic structure, the top ends of the four springs (904) are connected with the wedge block (901) through screws, the bottom ends of the four springs (904) are connected with the mounting block (905) through screws, and the mounting block (905) and the transparent water tank (6) are of an integrated structure.

7. The nasogastric tube assembly with positioning function of claim 6, wherein: the wedge-shaped block (901) is characterized in that four support rods (906) are movably hinged to the center of the lower end face of the wedge-shaped block (901), a moving block (907) is movably hinged to the bottom end of each support rod (906), a fifth spring (908) is fixedly mounted on one side of each moving block (907), each moving block (907) is connected with the corresponding support rod (906) through a short shaft, each fifth spring (908) and each moving block (907) form an elastic structure, one end of each fifth spring (908) is connected with the inner wall of each mounting block (905) through a screw, and the other end of each fifth spring (908) is connected with each moving block (907) through a screw.