Esophageal administration device

Abstract

The utility model belongs to the technical field of medical instruments, and particularly discloses an esophagus administration device which comprises a medicine storage barrel, a medicine guide pipe is installed at the bottom end of the medicine storage barrel, a first one-way valve is arranged at the bottom end of the medicine guide pipe, and the first one-way valve can only enable medicine to flow out of the medicine guide pipe and cannot enable the medicine to flow into the medicine guide pipe. The first one-way valve is connected with an injector, a pipe connecting head is arranged at the bottom end of the injector, one end of the pipe connecting head is connected with the first one-way valve, a medicine injection pipe is connected to the bottom end of the pipe connecting head, a second one-way valve is arranged at the top end of the medicine injection pipe, medicine can only enter the medicine injection pipe through the second one-way valve, and the medicine cannot flow back into the injector. A hanging ring is installed at the top end of the medicine storage barrel. A medicine guide tube is arranged at the bottom of the medicine storage barrel, a one-way valve is arranged at the bottom end of the medicine guide tube and connected with an injector, and a medicine injection tube is arranged at the output end of the injector and can be conveniently inserted into the esophagus of the patient, so that medicine is conveniently injected into the esophagus of the patient.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical equipment, and in particular relates to an esophageal medication device. Background Art

[0002] When treating gastrointestinal diseases, esophageal administration is a common treatment method. The method of esophageal administration is mostly to use a syringe and a catheter to push the medicine into the patient's esophagus. For example, a Chinese patent authorization announcement number CN210009509U discloses an esophageal drug administration auxiliary device for gastroenterology, including a syringe, a No. 1 shell, a No. 2 shell, a drug administration tube and a spray stick. The end of the syringe is fixedly connected to the syringe, and the end of the syringe is connected to the No. 1 shell on all sides of the outside. The No. 1 shell is integrally formed with the No. 2 shell on one side, and the drug administration tube is connected to one side of the No. 2 shell. The end of the drug administration tube is fixedly connected to a connecting clamp, and the bottom end of the connecting clamp is fixedly connected to the spray stick. The spray stick is provided with a plurality of vertical pipes and horizontal pipes inside, and a plurality of spray holes are opened around the outside of the spray stick. A spray stick is provided at the bottom end of the drug administration tube, and a liquid medicine transport structure is provided around the inside of the spray stick. A liquid medicine spraying structure is provided around the outside of the spray stick. The liquid medicine is transported in layers from top to bottom through the liquid medicine transport device, and the liquid medicine is successively transmitted to the spray structures at different heights and different positions, and sprayed onto the parts of the esophagus where medicine needs to be applied.

[0003] The esophageal drug administration auxiliary device for gastroenterology provided by the above patent is more suitable for treating a single patient. However, in clinical treatment of gastroenterology, it is often necessary to inject the same drug into the esophagus of multiple patients. However, the syringes used in existing esophageal drug administration devices are mostly disposable. When treating multiple patients clinically, multiple syringes and injection tubes are needed, which results in a large waste of syringes and injection tubes, which is not conducive to saving resources. Utility Model Content

[0004] The purpose of the utility model is to provide an esophageal drug delivery device to solve the problem mentioned in the above background technology that the syringes used in the existing esophageal drug delivery devices are mostly disposable, and multiple syringes and injection tubes are needed for clinical treatment of multiple patients, resulting in a large number of syringes and injection tubes being wasted, which is not conducive to saving resources.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions

[0006] An esophageal drug delivery device comprises a medicine storage barrel, a medicine guide tube is installed at the bottom end of the medicine storage barrel, a first one-way valve is provided at the bottom end of the medicine guide tube, the first one-way valve can only allow medicine to flow out of the medicine guide tube, but cannot allow medicine to flow into the medicine guide tube, the first one-way valve is connected to a syringe, and a connecting pipe head is provided at the bottom end of the syringe, one end of the connecting pipe head is connected to the first one-way valve, the bottom end of the connecting pipe head is connected to a medicine injection tube, a second one-way valve is provided at the top end of the medicine injection tube, the second one-way valve can only allow medicine to enter the medicine injection tube, but cannot flow back into the syringe, and a hanging ring is installed at the top end of the medicine storage barrel; a support frame is provided on one side of the medicine storage barrel, and the top end of the medicine storage barrel is hung on the top end of the support frame; a supporting assembly is provided on the support frame, and the supporting assembly comprises a supporting rod and a clamping head, one end of the supporting rod is connected to the support frame, and the other end of the supporting rod is rotatably connected to the clamping head, and the syringe is clamped on the inner side of the clamping head.

[0007] Preferably, a medicine outlet pipe is provided at the bottom of the medicine storage barrel, and the medicine outlet pipe is used to connect with a syringe, and a medicine inlet pipe is provided at the top of the medicine storage barrel, and a sealing cap is installed on the top of the medicine inlet pipe for injecting medicine into the medicine storage barrel.

[0008] Preferably, a connecting platform is provided in the middle of the top of the medicine storage barrel, a threaded groove is provided in the middle of the connecting platform, and the connecting platform cooperates with the threaded groove to be connected to the hanging ring.

[0009] Preferably, a connector is provided at the top of the drug guiding tube for being sleeved on the drug outlet tube, and the first one-way valve is threadably connected to the syringe.

[0010] Preferably, a push rod is inserted into the inner side of the top opening of the syringe, a pressure plate is provided on the top of the push rod, and the pressure plate cooperates with the push rod to push the medicine in the syringe into the patient's esophagus. The side of the syringe is evenly provided with scale lines from top to bottom.

[0011] Preferably, the connecting head at the bottom end of the syringe is in a T-shaped structure, and one end of the connecting head is connected to the injection, and the other two ends are provided with adapter rings, and the two adapter rings are respectively connected to the drug guide tube and the injection tube.

[0012] Preferably, a medicine spray head is provided at the bottom end of the medicine injection tube, a plurality of through holes are evenly provided at the bottom of the medicine spray head, and the second one-way valve is connected to the top end of the medicine guide tube and is threadedly connected to the connecting head.

[0013] Preferably, a transfer column is provided at the bottom end of the lifting ring, the transfer column is rotatably connected to the lifting ring, an end plate is provided at the bottom end of the transfer column, a stud is provided in the middle of the bottom surface of the end plate, and the stud is used to connect with the threaded groove.

[0014] Preferably, a moving base is provided at the bottom end of the support frame. A plurality of inclined struts are evenly provided at the bottom of the moving base and inclined downward. Universal wheels are provided at the bottom ends of the inclined struts. A hanging head is provided at the top end of the support frame. The hanging head is U-shaped, and one end of the hanging head is connected to the support frame. A hook is provided at the other end of the hanging head for hanging the medicine storage barrel.

[0015] Preferably, a sleeve pipe is provided at one end of the supporting rod. A first pressing knob is provided on the side of the sleeve pipe. A universal ball head is provided at the other end of the supporting rod. A notch and a second pressing knob are provided on the side of the chuck. A universal joint is provided at the position of the chuck facing the universal ball head. A ball groove is provided in the middle of the universal joint. The ball groove is sleeved on the universal ball head. A third pressing knob is provided on the side of the universal joint aligned with the ball groove.

[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0017] 1. In the present utility model, a medicine guiding pipe is provided at the bottom of the medicine storage barrel. A one-way valve is provided at the bottom end of the medicine guiding pipe. The one-way valve is connected to a syringe. An injection tube is provided at the output end of the syringe and is convenient to be inserted into the esophagus of a patient, so as to facilitate injecting medicine into the esophagus of the patient. At the same time, a one-way valve is also provided at the top end of the injection tube, which can avoid the backflow of the medicine inside the injection tube, thereby avoiding the problem of syringe contamination. This structure enables the syringe to be used multiple times, effectively saving syringes. At the same time, this structure can complete the purposes of medicine injection and medicine suction by pushing and pulling the syringe, effectively saving the time used for traditional medicine preparation and medicine suction, and facilitating the efficient operation of medical staff.

[0018] 2. In the present utility model, a support frame is provided on one side of the medicine storage barrel, which is convenient to use the support frame to lift the medicine storage barrel, so as to facilitate the syringe to suck the medicine inside the storage barrel, and further facilitate injecting the medicine into the esophagus of the patient smoothly. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of the present utility model;

[0020] Figure 2 is a schematic structural diagram of the medicine storage barrel in the present utility model;

[0021] Figure 3 is a schematic structural diagram of the medicine guiding pipe in the present utility model;

[0022] Figure 4 is a schematic structural diagram of the syringe in the present utility model;

[0023] Figure 5 is a schematic structural diagram of the injection tube in the present utility model;

[0024] Figure 6It is a structural schematic diagram of the lifting ring in the utility model;

[0025] Figure 7 It is a structural schematic diagram of the support frame in the utility model;

[0026] Figure 8 It is a structural schematic diagram of the supporting assembly in the utility model.

[0027] In the figure: 1. medicine storage barrel; 11. medicine outlet pipe; 12. medicine inlet pipe; 13. capping; 14. connecting platform; 15. threaded groove; 2. medicine guide pipe; 21. connecting head; 22. first one-way valve; 3. syringe; 31. push rod; 32. pressing plate; 33. graduation line; 34. connecting head; 35. adapter ring; 4. medicine injection pipe; 41. medicine spray head; 42. second one-way valve; 5. lifting ring; 51. adapter column; 52 , end plate; 53, stud; 6, support frame; 61, mobile base; 62, diagonal support rod; 63, universal wheel; 64, lifting head; 65, hook; 7, supporting assembly; 71, supporting rod; 711, sleeve tube; 712, first clamping knob; 713, universal ball head; 72, clamping head; 721, notch; 722, second clamping knob; 723, universal joint; 724, third clamping knob; 725, ball groove. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Example 1

[0030] See also Figure 1, the present utility model provides an esophageal drug delivery device, which includes a drug storage barrel 1 for storing the drugs to be used. A drug guiding tube 2 is installed at the bottom end of the drug storage barrel 1, and a first one-way valve 22 is provided at the bottom end of the drug guiding tube 2. The first one-way valve 22 only allows the drug to flow out of the drug guiding tube 2 and does not allow the drug to flow into the drug guiding tube 2. The first one-way valve 22 is connected to a syringe 3. The drug guiding tube 2 and the first one-way valve 22 are used to introduce the drug into the syringe 3. And a connecting head 34 is provided at the bottom end of the syringe 3. One end of the connecting head 34 is connected to the first one-way valve 22, and a drug injection tube 4 is connected to the bottom end of the connecting head 34. The connecting head 34 cooperates with the syringe 3 to facilitate the connection between the syringe 3, the drug guiding tube 2 and the drug injection tube 4. A second one-way valve 42 is provided at the top end of the drug injection tube 4. The second one-way valve 42 only allows the drug to enter the drug injection tube 4 and the drug cannot flow back into the syringe 3. A hanging ring 5 is installed at the top end of the drug storage barrel 1, and the hanging ring 5 facilitates hanging up the drug storage barrel 1.

[0031] Please refer to Figure 2 , an outlet tube 11 is provided at the bottom end of the drug storage barrel 1 for connecting to the syringe 3, and an inlet tube 12 is provided at the top end of the drug storage barrel 1. A cap 13 is installed at the top of the inlet tube 12 for injecting drugs into the drug storage barrel 1. A connecting platform 14 is provided in the middle of the top end of the drug storage barrel 1, and a threaded groove 15 is provided in the middle of the connecting platform 14. The connecting platform 14 and the threaded groove 15 are used to connect to the hanging ring 5.

[0032] Please refer to Figure 3 , a connecting head 21 is provided at the top end of the drug guiding tube 2 for sleeving on the outlet tube 11, and the first one-way valve 22 is threadedly connected to the syringe 3.

[0033] Please refer to Figure 4 , a push rod 31 is inserted into the inner side of the top opening of the syringe 3. A pressing plate 32 is provided at the top of the push rod 31. The pressing plate 32 and the push rod 31 are used to push the drug inside the syringe 3 into the patient's esophagus. Scale lines 33 are evenly provided on the side of the syringe 3 from top to bottom. The connecting head 34 at the bottom end of the syringe 3 is of a T-shaped structure, and one end of the connecting head 34 is connected to the syringe 3, and the other two ends are both provided with adapter rings 35. The two adapter rings 35 are respectively connected to the drug guiding tube 2 and the drug injection tube 4 to facilitate the connection between the syringe 3, the drug guiding tube 2 and the drug injection tube 4 at the same time.

[0034] Please refer to Figure 5 , a medicine spraying head 41 is provided at the bottom end of the drug injection tube 4. A plurality of through holes are evenly provided at the bottom of the medicine spraying head 41. The cooperation between the medicine spraying head 41 and the through holes facilitates the spraying of the drug and the medicine spraying head 41, so that the drug can smoothly cover the esophagus. And the second one-way valve 42 is connected to the top end of the drug guiding tube 2 and is threadedly connected to the connecting head 34; the drug injection tube 4 is of a disposable structure for easy replacement.

[0035] Please refer to Figure 6, a transfer column 51 is provided at the bottom end of the suspension ring 5. The transfer column 51 is rotatably connected to the suspension ring 5. A end plate 52 is provided at the bottom end of the transfer column 51, and a stud 53 is provided in the middle of the bottom surface of the end plate 52. The stud 53 is used to connect with the threaded groove 15, which facilitates the disassembly and assembly of the suspension ring 5 and is convenient for the flexible use of the suspension ring 5.

[0036] Embodiment 2

[0037] Please refer to Figure 1 , the present utility model provides an esophageal drug delivery device, which includes a drug storage barrel 1 for storing the drugs to be used. A drug guiding tube 2 is installed at the bottom end of the drug storage barrel 1. A first one-way valve 22 is provided at the bottom end of the drug guiding tube 2. The first one-way valve 22 can only allow the drug to flow out of the drug guiding tube 2 and cannot allow the drug to flow into the drug guiding tube 2. The first one-way valve 22 is connected to a syringe 3. The drug guiding tube 2 and the first one-way valve 22 are used to guide the drug into the syringe 3. And a connecting head 34 is provided at the bottom end of the syringe 3. One end of the connecting head 34 is connected to the first one-way valve 22, and a drug injection tube 4 is connected to the bottom end of the connecting head 34. The connecting head 34 cooperates with the syringe 3 to facilitate the connection between the syringe 3 and the drug guiding tube 2 and the drug injection tube 4. A second one-way valve 42 is provided at the top end of the drug injection tube 4. The second one-way valve 42 can only allow the drug to enter the drug injection tube 4, and the drug cannot flow back into the syringe 3. A suspension ring 5 is installed at the top end of the drug storage barrel 1, and the suspension ring 5 facilitates hanging the drug storage barrel 1.

[0038] Please refer to Figure 2 , a drug outlet tube 11 is provided at the bottom end of the drug storage barrel 1 for connecting with the syringe 3. And a drug inlet tube 12 is provided at the top end of the drug storage barrel 1. A cover 13 is installed at the top of the drug inlet tube 12 for injecting drugs into the drug storage barrel 1. A connecting platform 14 is provided in the middle of the top end of the drug storage barrel 1, and a threaded groove 15 is provided in the middle of the connecting platform 14. The connecting platform 14 and the threaded groove 15 are used to connect with the suspension ring 5.

[0039] Please refer to Figure 3 , a connecting head 21 is provided at the top end of the drug guiding tube 2 for sleeving on the drug outlet tube 11, and the first one-way valve 22 is threadedly connected to the syringe 3.

[0040] Please refer to Figure 4 , a push rod 31 is inserted into the inner side of the top opening of the syringe 3. A pressing plate 32 is provided at the top of the push rod 31. The pressing plate 32 and the push rod 31 are used to push the drug inside the syringe 3 into the esophagus of the patient. Scale lines 33 are evenly provided on the side surface of the syringe 3 from top to bottom. The connecting head 34 at the bottom end of the syringe 3 is in a T-shaped structure, and one end of the connecting head 34 is connected to the syringe, and the other two ends are both provided with connecting rings 35, and the two connecting rings 35 are respectively connected to the drug guiding tube 2 and the drug injection tube 4, which facilitates the connection between the syringe 3 and the drug guiding tube 2 and the drug injection tube 4 at the same time.

[0041] Please refer to Figure 5The bottom of the injection tube 4 is provided with a spray head 41, and a plurality of through holes are evenly arranged at the bottom of the spray head 41. The cooperation between the spray head 41 and the through holes is convenient for spraying the medicine and the spray head 41, so that the medicine can smoothly cover the esophagus. The second one-way valve 42 is connected to the top of the medicine guide tube 2 and is threadedly connected to the pipe head 34.

[0042] See also Figure 6 A transfer column 51 is provided at the bottom end of the lifting ring 5, and the transfer column 51 is rotatably connected to the lifting ring 5. An end plate 52 is provided at the bottom end of the transfer column 51, and a stud 53 is provided in the middle of the bottom surface of the end plate 52. The stud 53 is used to connect with the threaded groove 15, which is convenient for the disassembly and assembly of the lifting ring 5 and the flexible use of the lifting ring 5.

[0043] See also Figure 1 A support frame 6 is provided on one side of the medicine storage barrel 1, and the top of the medicine storage barrel 1 is hung on the top of the support frame 6, which is convenient for lifting the medicine storage barrel 1 and facilitating the syringe 3 to absorb the medicine.

[0044] See also Figure 7 The bottom of the support frame 6 is provided with a movable base 61, and the bottom of the movable base 61 is evenly provided with a plurality of diagonal support rods 62 inclined downward, and the bottom of the diagonal support rods 62 are provided with universal wheels 63. The cooperation between the diagonal support rods 62 and the universal wheels 63 facilitates the flexible movement of the entire support frame 6. The top of the support frame 6 is provided with a hanging head 64, which is U-shaped, and one end of the hanging head 64 is connected to the support frame 6, and the other end of the hanging head 64 is provided with a hook 65 for hanging the medicine storage barrel 1, so that the medicine storage barrel 1 can be hung or taken down smoothly.

[0045] See also Figure 1 and Figure 8, a supporting frame 6 is provided with a supporting component 7, and the supporting component 7 is convenient for supporting the syringe 3, facilitating the stability of the syringe 3, and facilitating medical staff to operate the syringe 3. The supporting component 7 includes a supporting rod 71 and a chuck 72. One end of the supporting rod 71 is connected to the supporting frame 6, and the other end of the supporting rod 71 is rotatably connected to the chuck 72. The syringe 3 is stuck inside the chuck 72. The supporting rod 71 is convenient for connecting with the supporting frame 6, so as to facilitate the stable support of the chuck 72. The chuck 72 is convenient for clamping the syringe 3, facilitating the syringe 3 to be stable inside the chuck 72. One end of the supporting rod 71 is provided with a sleeve 711, and the side of the sleeve 711 is provided with a first pressing knob 712. The sleeve 711 and the first pressing knob 712 are convenient for sleeving on the supporting frame 6, facilitating the up and down adjustment of the supporting rod 71 on the supporting frame 6, and the first pressing knob 712 is also convenient for fixing the position of the supporting rod 71. The other end of the supporting rod 71 is provided with a universal ball head 713; the universal ball head 713 is convenient for the rotational connection between the supporting rod 71 and the chuck 72. The side of the chuck 72 is provided with a notch 721 and a second pressing knob 722. The notch 721 is convenient for the staff to observe the scale of the syringe 3, and the second pressing knob 722 is convenient for fixing the syringe 3 inside the chuck 72. A universal joint 723 is provided at the position of the chuck 72 facing the universal ball head 713. A ball groove 725 is provided in the middle of the universal joint 723, and the ball groove 725 is sleeved on the universal ball head 713. The universal joint 723 and the ball groove 725 are convenient for the rotational connection between the chuck 72 and the supporting rod 71. A third pressing knob 724 is provided on the side of the universal joint 723 aligned with the ball groove 725. The third pressing knob 724 is convenient for fixing the inclination angle of the chuck 72, facilitating the sufficient stability of the chuck 72.

[0046] Working principle: During use, the matched medicine is injected into the medicine storage barrel 1. Then, the medicine guiding tube 2 and the syringe 3 are connected together, and the other end of the medicine guiding tube 2 is connected to the medicine storage barrel 1. Then, the medicine injection tube 4 is connected to the syringe 3. Then, the medical staff pulls the push rod 31. Since the second one-way valve 42 at the top of the medicine injection tube 4 prevents air from entering the medicine injection tube 4, the syringe 3 will suck the medicine inside the medicine storage barrel 1 due to negative pressure. Then, when the medical staff presses the push rod 31, since the first one-way valve 22 does not allow the medicine to enter the guiding tube from the syringe 3, the medicine in the syringe 3 can only flow out through the medicine injection tube 4, so as to achieve the purpose of injecting medicine into the patient's esophagus.

[0047] In summary, compared with the prior art, a medicine guiding tube 2 is provided at the bottom of the medicine storage barrel 1 of the present application. A one-way valve is provided at the bottom end of the medicine guiding tube 2, and the one-way valve is connected to a syringe 3. A medicine injection tube 4 is provided at the output end of the syringe 3, which is convenient to be inserted into the esophagus of a patient, so as to facilitate injecting medicine into the esophagus of the patient. At the same time, a one-way valve is also provided at the top end of the medicine injection tube 4, which can avoid the backflow of the medicine inside the medicine injection tube 4, and further avoid the problem of contaminating the syringe 3. This structure enables the syringe 3 to be used multiple times, effectively saving the syringe 3. At the same time, this structure can complete the purposes of medicine injection and medicine suction by pushing and pulling the syringe 3, effectively saving the time used for traditional medicine dispensing and suction, and facilitating the efficient operation of medical staff; only the medicine injection tube 4 needs to be replaced between different patients, saving resources.

[0048] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An esophageal medication device, comprising a medicine storage barrel (1), characterized in that: A drug guide tube (2) is installed at the bottom end of the drug storage barrel (1), the drug guide tube (2) is provided with a first one-way valve (22), the first one-way valve (22) is connected to a syringe (3), the syringe (3) is provided with a connecting head (34), one end of the connecting head (34) is connected to the first one-way valve (22), the bottom end of the connecting head (34) is connected to a drug injection tube (4), the top end of the drug injection tube (4) is provided with a second one-way valve (42), and the top end of the drug storage barrel (1) is installed with a first one-way valve (22). A hanging ring (5) is provided; a support frame (6) is provided on one side of the medicine storage barrel (1), and the top end of the medicine storage barrel (1) is hung on the top end of the support frame (6); a supporting assembly (7) is provided on the support frame (6), and the supporting assembly (7) comprises a supporting rod (71) and a clamping head (72), one end of the supporting rod (71) is connected to the support frame (6), and the other end of the supporting rod (71) is rotatably connected to the clamping head (72), and the syringe (3) is clamped on the inner side of the clamping head (72).

2. An esophageal drug delivery device according to claim 1, characterized in that: The bottom end of the medicine storage barrel (1) is provided with a medicine outlet pipe (11), the medicine outlet pipe (11) is used to be connected to the syringe (3), and the top end of the medicine storage barrel (1) is provided with a medicine inlet pipe (12), the top of the medicine inlet pipe (12) is provided with a sealing cover (13) for injecting medicine into the medicine storage barrel (1).

3. An esophageal drug delivery device according to claim 2, characterized in that: A connecting platform (14) is provided in the middle of the top of the medicine storage barrel (1), and a thread groove (15) is provided in the middle of the connecting platform (14). The connecting platform (14) cooperates with the thread groove (15) to be connected to the hanging ring (5).

4. The esophageal drug delivery device according to claim 2, characterized in that: The top end of the drug guiding tube (2) is provided with a connector (21) for being sleeved on the drug outlet tube (11), and the first one-way valve (22) is threadedly connected to the syringe (3).

5. The esophageal drug delivery device according to claim 1, characterized in that: A push rod (31) is inserted into the inner side of the top opening of the syringe (3), a pressure plate (32) is provided on the top of the push rod (31), and the pressure plate (32) cooperates with the push rod (31) to push the medicine in the syringe (3) into the esophagus of the patient, and scale lines (33) are evenly arranged on the side of the syringe (3) from top to bottom.

6. An esophageal drug delivery device according to claim 5, characterized in that: The connecting head (34) at the bottom end of the syringe (3) is in a T-shaped structure, and one end of the connecting head (34) is connected to the injection, while the other two ends are provided with adapter rings (35), and the two adapter rings (35) are respectively connected to the drug guide tube (2) and the drug injection tube (4).

7. The esophageal drug delivery device according to claim 1, characterized in that: A drug spray head (41) is provided at the bottom end of the drug injection tube (4), a plurality of through holes are evenly arranged at the bottom of the drug spray head (41), and the second one-way valve (42) is connected to the top end of the drug guide tube (2) and is threadedly connected to the connecting head (34).

8. The esophageal drug delivery device according to claim 3, characterized in that: The bottom end of the lifting ring (5) is provided with an adapter column (51), the adapter column (51) is rotatably connected to the lifting ring (5), the bottom end of the adapter column (51) is provided with an end plate (52), the middle part of the bottom surface of the end plate (52) is provided with a stud (53), and the stud (53) is used to connect with the thread groove (15).

9. An esophageal drug delivery device according to any one of claims 1 to 8, characterized in that: A movable base (61) is provided at the bottom end of the support frame (6), a plurality of diagonal support rods (62) are evenly and evenly provided at the bottom of the movable base (61) in an inclined downward direction, and universal wheels (63) are provided at the bottom ends of the diagonal support rods (62). A hanging head (64) is provided at the top end of the support frame (6), and the hanging head (64) is U-shaped, and one end of the hanging head (64) is connected to the support frame (6), and the other end of the hanging head (64) is provided with a hook (65) for hanging the medicine storage barrel (1).

10. The esophageal drug delivery device according to claim 1, characterized in that: A sleeve tube (711) is provided at one end of the support rod (71), a first clamping knob (712) is provided on the side of the sleeve tube (711), and a universal ball head (713) is provided at the other end of the support rod (71); a notch (721) and a second clamping knob (722) are provided on the side of the clamp head (72); a universal joint (723) is provided at a position of the clamp head (72) facing the universal ball head (713), a ball groove (725) is provided in the middle of the universal joint (723), the ball groove (725) is sleeved on the universal ball head (713), and a third clamping knob (724) is provided on the side of the universal joint (723) aligned with the ball groove (725).

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