Nasal feeding injection dosing device

Abstract

The utility model discloses a nasal feeding injection dosing device which comprises an injector, a nasal feeding tube, a container, a liquid inlet one-way valve, a liquid outlet one-way valve and a needle head, the liquid outlet one-way valve and the nasal feeding tube are sequentially installed at the nipple of the injector, a liquid inlet is formed in the cylinder wall of an empty cylinder of the injector, and the liquid inlet one-way valve and the needle head are sequentially installed at the liquid inlet. A grinding mechanism is arranged in the container, the needle head can be inserted into the containing cavity of the container, and infusion of nutrient solution and tablet medicine can be completed conveniently and rapidly.

Description

[Technical field]

[0001] The utility model relates to the technical field of nasogastric feeding, in particular to the technical field of nasogastric feeding feeding device. [Background technology]

[0002] Nasogastric feeding therapy is a technique in which a tube is inserted into the stomach through the nasal cavity to infuse food and water and maintain the patient's nutrition. It is suitable for people who cannot eat by mouth (such as those with oral diseases, after oral surgery, esophageal stenosis, esophageal tracheal fistula, after certain surgeries or tumor patients), patients who cannot open their mouths (such as comatose, tetanus, premature babies or critically ill patients) and patients who refuse to eat actively.

[0003] Existing nasogastric feeding equipment usually includes a syringe and a catheter, such as a nasogastric feeding food injector disclosed in the utility model with announcement number CN201870983U and a nasogastric feeding food injector disclosed in the utility model with announcement number CN203169613U. Although such nasogastric feeding equipment has been used clinically for many years, it is troublesome to use. Specifically, since medical staff need to first suck the nutrient solution into the syringe, and then push the nutrient solution into the patient's body through the nasogastric feeding tube after connecting the syringe to the nasogastric feeding tube, medical staff need to repeatedly plug and unplug the syringe and the nasogastric feeding tube during the entire nutritional treatment. In addition, such nasogastric feeding equipment also has the problem of being unable to administer tablet drugs to patients. [Contents of the utility model]

[0004] The purpose of the utility model is to solve the problems in the prior art and to provide a nasogastric feeding dosing device which can conveniently and quickly complete the infusion of nutrient solution and tablet medicines.

[0005] To achieve the above-mentioned purpose, the utility model proposes a nasogastric feeding injector, comprising a syringe, a nasogastric feeding tube, a container, a liquid inlet one-way valve, a liquid outlet one-way valve and a needle, wherein the liquid outlet one-way valve and the nasogastric feeding tube are sequentially installed at the nipple of the syringe, a liquid inlet is provided at the wall of the empty barrel of the syringe, the liquid inlet one-way valve and the needle are sequentially installed at the liquid inlet, a grinding mechanism is provided in the container, and the needle can be inserted into the containing cavity of the container.

[0006] Preferably, the syringe comprises an empty barrel, a piston head, a piston shaft, a piston handle and a plug, the two ends of the piston shaft are respectively connected to the piston head and the piston handle, the piston head extends into the barrel channel of the empty barrel, the liquid outlet one-way valve and the plug are sequentially arranged at the nipple of the syringe, and the plug is plugged into the nasogastric feeding tube.

[0007] Preferably, the container comprises a base tube and a movable tube, the base tube comprises a base tube and a base cone, the base cone is coaxially arranged in the tube body channel of the base tube, the movable tube comprises a movable tube and a movable cone, the top end of the movable tube is closed by the movable cone, the movable cone can extend into the tube body channel of the base tube along with the movable tube and fit with the base cone, and adjacent surfaces of the base cone and the movable cone are respectively provided with grinding protrusions.

[0008] Preferably, the base cone and the movable cone are both pointed downward, and the grinding protrusion includes a plurality of grinding protrusions respectively arranged around the base cone and the movable cone.

[0009] Preferably, the bottom end of the movable cylinder is closed by a sealing plate.

[0010] Preferably, a guide ring is provided on the top surface of the sealing plate, a plurality of positioning clamps located at the same height are arranged around the inner wall of the guide ring, and a plurality of positioning clamps are arranged in sequence from top to bottom on the outer wall of the base tube.

[0011] Preferably, the needle is detachably connected to the liquid inlet one-way valve.

[0012] Preferably, the exterior of the needle is also covered with a removable protective cover.

[0013] Beneficial effects of the utility model:

[0014] 1) By sequentially installing a liquid discharge check valve and a nasogastric tube at the nipple of the syringe, adding a liquid inlet at the wall of the empty barrel of the syringe, and sequentially installing the liquid inlet check valve and the needle at the liquid inlet, a one-way flow channel can be formed by using the liquid inlet check valve and the liquid discharge check valve, so that when the needle is inserted into a nutrient bottle containing nutrient solution, the nutrient solution can be continuously transferred from the nutrient bottle to the patient's body along the nasogastric tube under the pulling action of the syringe, eliminating the trouble of repeatedly plugging and unplugging the nasogastric tube and the syringe, and the container with a built-in grinding mechanism can be used to grind the tablet medicine into powder and add warm water, so that the tablet medicine can be pushed into the patient's body like the nutrient solution;

[0015] 2) By using a base cylinder with a base cone and a movable cylinder with a movable cone to form a container together, and adding grinding protrusions on the adjacent surfaces of the base cone and the movable cone, a larger grinding area can be formed in a smaller component, thereby improving the grinding efficiency of the medicine;

[0016] 3) By sequentially adding a number of positioning collars from top to bottom on the outer wall of the base tube of the base tube, and adding a guide ring with a number of positioning collars at the same height in the base tube, the positioning collars and the positioning collars can be used to limit the insertion depth of the movable tube, thereby making the grinding operation more labor-saving and convenient;

[0017] 4) By making the needle detachably connected to the liquid inlet one-way valve and providing a removable protective cover outside the needle, the safety of the needle can be effectively improved and the occurrence of puncture injuries can be avoided.

[0018] The features and advantages of the present invention will be described in detail through embodiments in conjunction with the accompanying drawings.

Brief Description of the Drawings

[0019] Figure 1 This is a front view of the nasogastric feeding injection device of the utility model;

[0020] Figure 2 It is a schematic diagram of the assembly of a syringe, a liquid inlet check valve, a liquid outlet check valve, a needle and a protective cover of the nasogastric feeding injector of the utility model;

[0021] Figure 3 yes Figure 2 Assembly diagram with the needle and protective cover removed;

[0022] Figure 4 This is a front and sectional view of the container of the nasogastric feeding injection device of the utility model;

[0023] Figure 5 The utility model is a bottom view of the base cone of the nasogastric feeding injection device.

[0024] In the figure: 1-syringe, 11-empty cylinder, 12-piston head, 13-piston shaft, 14-piston handle, 15-plug, 2-nasogastric tube, 3-container, 31-base cylinder, 311-base tube, 3111-positioning clamp ring, 312-base cone, 32-movable cylinder, 321-movable tube, 322-movable cone, 323-sealing plate, 324-guide ring, 3241-positioning clamp head, 4-liquid inlet check valve, 5-liquid outlet check valve, 6-needle, 7-protective cover. [Specific implementation method]

[0025] See also Figures 1 to 5 The utility model nasogastric feeding injector comprises a syringe 1, a nasogastric tube 2, a container 3, a liquid inlet check valve 4, a liquid outlet check valve 5 and a needle 6. The liquid outlet check valve 5 and the nasogastric tube 2 are sequentially installed at the nipple of the syringe 1. A liquid inlet is provided at the wall of the empty barrel 11 of the syringe 1. The liquid inlet check valve 4 and the needle 6 are sequentially installed at the liquid inlet. A grinding mechanism is provided in the container 3, and the needle 6 can be inserted into the cavity of the container 3.

[0026] The syringe 1 includes an empty barrel 11, a piston head 12, a piston shaft 13, a piston handle 14 and a plug 15. The two ends of the piston shaft 13 are respectively connected to the piston head 12 and the piston handle 14. The piston head 12 extends into the barrel channel of the empty barrel 11. The liquid outlet one-way valve 5 and the plug 15 are sequentially arranged at the nipple of the syringe 1, and the plug 15 is plugged into the nasogastric tube 2.

[0027] The container 3 includes a base tube 31 and a movable tube 32. The base tube 31 includes a base tube 311 and a base cone 312. The base cone 312 is coaxially arranged in the tube body channel of the base tube 311. The movable tube 32 includes a movable tube 321 and a movable cone 322. The top end of the movable tube 321 is closed by the movable cone 322. The movable cone 322 can extend into the tube body channel of the base tube 311 along with the movable tube 321 and fit with the base cone 312. The adjacent surfaces of the base cone 312 and the movable cone 322 are respectively provided with grinding protrusions.

[0028] The base cone 312 and the movable cone 322 are both pointed downward, and the grinding protrusion includes a plurality of grinding protrusions respectively arranged around the base cone 312 and the movable cone 322 .

[0029] The bottom end of the movable cylinder 32 is closed by a sealing plate 323 .

[0030] A guide ring 324 is disposed on the top surface of the sealing plate 323 , and a plurality of positioning clamps 3241 located at the same height are disposed around the inner wall of the guide ring 324 . A plurality of positioning clamps 3111 are disposed in sequence from top to bottom on the outer wall of the base tube 311 .

[0031] The needle 6 is detachably connected to the liquid inlet one-way valve 4 .

[0032] The exterior of the needle 6 is also covered with a removable protective cover 7 .

[0033] Working process of this utility model:

[0034] When nasogastric feeding is required, one end of the nasogastric tube 2 is first inserted into the patient's stomach or intestine along the nostril, and then the other end of the nasogastric tube 2 is plugged into the plug 15. Next, one end of the needle 6 is installed at the liquid inlet check valve 4 and the protective cover 7 is removed, and then the other end of the needle 6 is inserted into the nutrient bottle containing the nutrient solution, and then the nutrient solution is injected into the patient's body along the nasogastric tube 2 through the syringe 1. When the piston handle 14 is held and pulled outward, the liquid inlet check valve 4 is opened and the liquid outlet check valve 5 is closed, and the nutrient solution can be transferred from the nutrient bottle to the empty cylinder 11 along the needle; when the piston handle 14 is held and pushed inward, the liquid inlet check valve 4 is closed and the liquid outlet check valve 5 is opened, and the nutrient solution can be transferred from the empty cylinder 11 to the nasogastric tube 2 along the plug 15.

[0035] When nasogastric administration is required, the container 3 needs to be used to pre-treat the tablet medicine. Specifically, the tablet medicine is first put into the tube channel of the base tube 311, and then the end of the movable tube 321 with the movable cone 322 is inserted into the tube channel of the base tube 311. Subsequently, the movable cylinder 32 is continuously rotated relative to the base cylinder 31, so that the tablet medicine is gradually ground into powder by the grinding protrusion between the base cone 312 and the movable cone 322. Next, a certain amount of warm water is added to the base cylinder 31 to fully mix the powdered medicine with the warm water. Finally, the needle 6 is inserted into the container 3 containing the liquid medicine (so that the needle 6 pierces the base cone 312), and the liquid medicine infusion can be completed as above.

[0036] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention falls within the protection scope of the present invention.

Claims

1. A nasogastric feeding device, characterized in that: The invention comprises a syringe (1), a nasogastric tube (2), a container (3), a liquid inlet check valve (4), a liquid outlet check valve (5) and a needle (6); the liquid outlet check valve (5) and the nasogastric tube (2) are sequentially mounted at the nipple of the syringe (1); a liquid inlet is provided at the wall of the empty barrel (11) of the syringe (1); the liquid inlet check valve (4) and the needle (6) are sequentially mounted at the liquid inlet; a grinding mechanism is provided inside the container (3); and the needle (6) can be inserted into the cavity of the container (3).

2. The nasogastric feeding device according to claim 1, characterized in that: The syringe (1) comprises a hollow barrel (11), a piston head (12), a piston shaft (13), a piston handle (14) and a plug (15); the two ends of the piston shaft (13) are respectively connected to the piston head (12) and the piston handle (14); the piston head (12) extends into the barrel channel of the hollow barrel (11); the liquid outlet one-way valve (5) and the plug (15) are arranged at the nipple of the syringe (1) in sequence; and the plug (15) is plugged into a nasogastric tube (2).

3. The nasogastric feeding device according to claim 1, characterized in that: The container (3) comprises a base tube (31) and a movable tube (32); the base tube (31) comprises a base tube (311) and a base cone (312); the base cone (312) is coaxially arranged in a tube body channel of the base tube (311); the movable tube (32) comprises a movable tube (321) and a movable cone (322); the top end of the movable tube (321) is closed by the movable cone (322); the movable cone (322) can extend into the tube body channel of the base tube (311) along with the movable tube (321) and fit with the base cone (312); and grinding protrusions are respectively provided on adjacent surfaces of the base cone (312) and the movable cone (322).

4. The nasogastric feeding device according to claim 3, characterized in that: The base cone (312) and the movable cone (322) are both pointed downward, and the grinding protrusion comprises a plurality of grinding protrusions respectively arranged around the base cone (312) and the movable cone (322).

5. The nasogastric feeding device according to claim 4, characterized in that: The bottom end of the movable cylinder (32) is closed by a sealing plate (323).

6. The nasogastric feeding device according to claim 5, characterized in that: A guide ring (324) is provided on the top surface of the sealing plate (323), and a plurality of positioning clamps (3241) located at the same height are arranged around the inner wall of the guide ring (324), and a plurality of positioning clamps (3111) are arranged in sequence from top to bottom on the outer wall of the base tube (311).

7. The nasogastric feeding device according to claim 1, characterized in that: The needle (6) is detachably connected to the liquid inlet one-way valve (4).

8. The nasogastric feeding device according to claim 7, characterized in that: The exterior of the needle (6) is also covered with a removable protective cover (7).

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