CN210991908U

CN210991908U - Enteral nutrition injector

Info

Publication number: CN210991908U
Application number: CN201921329875.0U
Authority: CN
Inventors: 李俊慧
Original assignee: Liaoning Cancer Hospital and Institute
Current assignee: Liaoning Cancer Hospital and Institute
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-07-14
Anticipated expiration: 2029-08-16

Abstract

The utility model belongs to the field of medical equipment, in particular to an enteral nutrition injector, which comprises an injection pipe, a regulator and a Murphy's dropper which are connected in series on the injection pipe, wherein the two ends of the injection pipe are respectively and fixedly connected with a transfusion bag plug and a nasogastric tube joint; rotate the fastening pipe, stretch into length according to nasogastric tube connects, upwards rotate fastening pipe to corresponding distance, thereby make the first pressure pipe of relevant position and second press the pipe to part and break away from, will expose with the external pipe that stretches into the patient internal, use outside syringe to pass through the intraductal anesthesia liquid medicine of pouring into of transfer line to the external, the infiltration hole of anesthesia liquid medicine on through exposing the external pipe slowly oozes, and ooze to the position that human and external pipe contacted, anaesthetize this position, reduce personnel's rejection, alleviate personnel's misery.

Description

Enteral nutrition injector

Technical Field

The utility model relates to the field of medical equipment, specifically a nutrition injector in intestines.

Background

Enteral nutrition is the nutritional support means for providing the metabolic needs of nutrients and other various nutrients through the gastrointestinal tract. Depending on the length of time, mental state and gastrointestinal function. Enteral nutrition is available in two ways, oral and transcatheter infusion, wherein transcatheter infusion includes nasogastric tube, nasoduodenal tube, nasojejunal tube and gastrointestinal fistulation tube.

Chinese patent publication No. CN203208383U discloses an enteral nutrition infusion device, which is simple in structure, convenient to use, convenient to inject medicine, withdraw gastric juice and wash, but when it is inserted into the body of a patient, the patient has strong rejection reaction, and the patient suffers pain during the infusion process of the nutrient solution. Accordingly, one skilled in the art provides an enteral feeding set that solves the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an enteral nutrition injector to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an enteral nutrition injector comprises an injection pipe, and a regulator and a Murphy's dropper which are connected in series on the injection pipe, wherein two ends of the injection pipe are respectively and fixedly connected with an infusion bag plug and a nasogastric tube connector, an auxiliary component is sleeved on the outer wall of one end of the injection pipe close to the nasogastric tube connector, the auxiliary component comprises an external pipe and a plurality of sealing pressure pipes, the external pipe is sleeved on the outer wall of the injection pipe, a cavity is arranged between the external pipe and the injection pipe, a plurality of permeation holes are formed in the external pipe, the sealing pressure pipes are detachably connected with each other, the sealing pressure pipes are sleeved on the outer wall of the external pipe and comprise a first pressure pipe and a second pressure pipe which are mutually involutory, slots are formed in the top ends of the first pressure pipe and the second pressure pipe, and connecting flanges are fixedly connected with the bottom ends of the first pressure pipe and the second pressure pipe, the diameter of the outer wall of the connecting flange corresponds to the diameter of the slot, the outer walls of the first pressure pipe and the second pressure pipe are provided with external threads corresponding to each other, the outer wall of the sealing pressure pipe is screwed with a fastening pipe, and the end face of one end, away from the nasogastric tube joint, of the external pipe is connected with a liquid conveying pipe in a sealing mode.

As a further aspect of the present invention: the diameter of the outer wall of the connecting flange corresponds to the diameter of the slot.

As a further aspect of the present invention: the inner diameter of the sealing pressure pipe corresponds to the outer diameter of the external pipe.

As a further aspect of the present invention: the length of the infusion tube is longer than that of the fastening tube.

As a further aspect of the present invention: the other end of the infusion tube is hermetically connected with an injector joint.

As a further aspect of the present invention: the inner wall of the fastening pipe is provided with internal threads, and the internal threads on the inner wall of the fastening pipe correspond to the external threads on the outer wall of the sealing pressure pipe.

As a further aspect of the present invention: the external pipe is made of medical rubber.

Compared with the prior art, the beneficial effects of the utility model are that:

when the nutrient solution is infused, insert internally nasogastric tube joint by patient's nasopharynx, rotate the fastening pipe, the length of stretching into according to nasogastric tube connects, upwards rotate fastening pipe to corresponding distance, thereby make the first pressure pipe of relevant position and second press the pipe to part and break away from, will expose with the external pipe that stretches into in the patient, and simultaneously, use the syringe articulate on outside syringe and the transfer line, use outside syringe to pass through the intraductal anesthesia liquid medicine of infusing of outside external infusion, the anesthesia liquid medicine slowly oozes through the infiltration hole that exposes on the external pipe, and ooze to the position that human and external pipe contacted, anaesthetize this position, reduce personnel's rejection, alleviate personnel's misery.

Drawings

FIG. 1 is a schematic diagram of an enteral feeding set;

FIG. 2 is another schematic diagram of an enteral feeding set;

FIG. 3 is a schematic view of the auxiliary components of an enteral feeding set;

FIG. 4 is a schematic view of a sealed tubing arrangement in an enteral feeding set;

fig. 5 is an enlarged schematic view of a portion a of fig. 3.

In the figure: 1. an injection pipe; 11. a regulator; 12. a Murphy dropper; 13. a plug of an infusion bag; 14. a nasogastric tube connector; 2. an auxiliary member; 21. an external pipe; 211. a penetration hole; 22. sealing the pressing pipe; 22a, a first pressing pipe; 22b, a second pressing pipe; 221. a slot; 222. a connecting flange; 23. fastening the tube; 24. a transfusion tube; 241. a syringe adaptor.

Detailed Description

Referring to fig. 1 to 5, in an embodiment of the present invention, an enteral nutrition injector includes an injection tube 1, and a regulator 11 and a menfesia dropper 12 connected in series to the injection tube 1, both ends of the injection tube 1 are respectively and fixedly connected with an infusion bag plug 13 and a nasogastric tube connector 14, an outer wall sleeve of one end of the injection tube 1 close to the nasogastric tube connector 14 is provided with an auxiliary member 2, the auxiliary member 2 includes an external tube 21 and a plurality of sealing pressure tubes 22, the external tube 21 is sleeved on an outer wall of the injection tube 1, a cavity is provided between the external tube 21 and the injection tube 1, the external tube 21 is provided with a plurality of permeation holes 211, the plurality of sealing pressure tubes 22 are detachably connected to each other, the plurality of sealing pressure tubes 22 are sleeved on an outer wall of the external tube 21, the sealing pressure tubes 22 include a first pressure tube 22a and a second pressure tube 22b which are mutually involutory, top ends of the, the bottom ends of the first pressure pipe 22a and the second pressure pipe 22b are fixedly connected with a connecting flange 222, the diameter of the outer wall of the connecting flange 222 corresponds to that of the slot 221, the outer walls of the first pressure pipe 22a and the second pressure pipe 22b are provided with external threads corresponding to each other, the outer wall of the sealing pressure pipe 22 is in threaded connection with a fastening pipe 23, and the end face of the external pipe 21, which is far away from one end of the nasogastric tube joint 14, is in sealing connection with an infusion pipe 24.

In fig. 1: including injection tube 1 and the regulator 11 of establishing ties on it, Murphy's burette 12, the both ends difference fixedly connected with infusion bag plug 13 of injection tube 1, nasogastric tube connects 14, the one end outer wall cover that injection tube 1 is close to nasogastric tube connects 14 is equipped with auxiliary component 2, the nutrient solution velocity of flow in the steerable injection tube 1 of regulator 11, infusion bag plug 13 inserts nutrient solution and holds the bag, hold nutrient solution in the bag and flow into injection tube 1, and pass through Murphy's burette 12 in proper order, regulator 11, auxiliary component 2 and nasogastric tube connect 14, it is internal that the patient finally flows in, the injection of complete nutrient solution.

In fig. 2, 3 and 4: the infusion set comprises an injection pipe 1, a regulator 11 and a Murphy's dropper 12 which are connected in series on the injection pipe 1, wherein two ends of the injection pipe 1 are respectively and fixedly connected with an infusion bag plug 13 and a nasogastric tube connector 14, an auxiliary component 2 is sleeved on the outer wall of one end of the injection pipe 1 close to the nasogastric tube connector 14, the auxiliary component 2 comprises an external pipe 21 and a plurality of sealing pressure pipes 22, the external pipe 21 is sleeved on the outer wall of the injection pipe 1, a cavity is arranged between the external pipe 21 and the injection pipe 1, a plurality of permeation holes 211 are formed in the external pipe 21, the plurality of sealing pressure pipes 22 are mutually detachably connected, the plurality of sealing pressure pipes 22 are sleeved on the outer wall of the external pipe 21, each sealing pressure pipe 22 comprises a first pressure pipe 22a and a second pressure pipe 22b which are mutually involutory, slots 221 are formed in the top ends of the first pressure pipe 22a and the second pressure pipe 22b, the diameter of the outer wall of the connecting flange 222 corresponds to the diameter of the slot 221, the outer walls of the first pressure tube 22a and the second pressure tube 22b are provided with external threads corresponding to each other, the outer wall of the sealing pressure tube 22 is screwed with the fastening tube 23, the end face of the external tube 21 far away from one end of the nasogastric tube connector 14 is connected with the infusion tube 24 in a sealing manner, the other end of the infusion tube 24 is connected with the injector connector 241 in a sealing manner, when nutrient solution is infused, the nasogastric tube connector 14 is inserted into the body from the nasogastric part of a patient, the fastening tube 23 is rotated, under the action of the threads, the fastening tube 23 moves upwards, the bottom end of the fastening tube is sequentially separated from the contact with the plurality of sealing pressure tubes 22, the sealing pressure tube 22 separated from the fastening tube 23 has no external force compression effect, the first pressure tube 22a is separated from the second pressure tube 22b, so that the external tube 21 is exposed, so that the first pressing pipe 22a and the second pressing pipe 22b at the corresponding positions are separated and separated, the external pipe 21 extending into the patient is exposed, meanwhile, an external injector is connected with an injector connector 241 on the infusion tube 24, an anesthetic liquid is injected into the external pipe 21 through the infusion tube 24, the anesthetic liquid slowly seeps out through a permeation hole 211 exposed on the external pipe 21 and seeps to a part of the human body contacted with the external pipe 21, anesthesia is performed on the part, the rejection reaction of the person is reduced, the pain of the person is relieved, the diameter of the outer wall of the connecting flange 222 corresponds to the diameter of the slot 221, the connecting flange 222 in the sealing pressing pipe 22 is inserted into the slot 221 in the adjacent sealing pressing pipe 22, the connecting flange 222 faces downwards, when the fastening pipe 23 moves to be separated from the corresponding sealing pressing pipe 22, the sealing pressing pipe 22 has no external force pressing effect, first pressure pipe 22a and second pressure pipe 22b separately, the internal diameter of seal pressure pipe 22 is corresponding with external pipe 21's external diameter, can compress tightly with external pipe 21 contact, the realization is sealed the infiltration hole 211 on external pipe 21, the length of transfer line 24 is greater than the length of fastening pipe 23, when fastening pipe 23 breaks away from with all seal pressure pipes 22, fastening pipe 23 still can not cause the interference to injector joint 241, the internal thread has been seted up to fastening pipe 23's inner wall, the internal thread of fastening pipe 23 inner wall corresponds each other with the external screw thread of seal pressure pipe 22 outer wall, fastening pipe 23 passes through the internal thread, external screw thread and seal pressure pipe 22 spiro union, the material of external pipe 21 is medical rubber, guarantee external pipe 21's clean degree, prevent to cause the infection to the human body.

In fig. 5: a plurality of permeation holes 211 are formed in the external tube 21, anesthetic liquid medicine can permeate through the permeation holes 211, an infusion tube 24 is connected to the end face, far away from one end of the nasogastric tube connector 14, of the external tube 21 in a sealing mode, and the anesthetic liquid medicine can enter the external tube 21 through the infusion tube 24.

The utility model discloses a theory of operation is: when nutrient solution is infused, the nasogastric tube joint 14 is inserted into a body from the nasogastric part of a patient, the fastening tube 23 is rotated, under the action of screw threads, the fastening tube 23 moves upwards, the bottom end of the fastening tube 23 is sequentially separated from the contact of a plurality of sealing pressure tubes 22, the sealing pressure tubes 22 separated from the fastening tube 23 have no external force pressing effect, the first pressure tube 22a and the second pressure tube 22b are separated, so that the external tube 21 at the position is exposed outside, the fastening tube 23 is rotated upwards to a corresponding distance according to the extending length of the nasogastric tube joint 14, so that the first pressure tube 22a and the second pressure tube 22b at the corresponding positions are separated and separated, the external tube 21 extending into the body of the patient is exposed, meanwhile, an external injector is used for connecting with the injector joint 241 on the infusion tube 24, an anesthetic solution is injected into the external tube 21 through the external injector 24, the anesthetic solution slowly seeps out through the hole 211 on the external infusion tube 21, and seeps out to the contact part of the human body and the external pipe 21, and anaesthetizes the contact part, thereby reducing the rejection reaction of the personnel and relieving the pain of the personnel.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An enteral nutrition injector comprises an injection pipe (1), and a regulator (11) and a Murphy dropper (12) which are connected in series on the injection pipe, wherein both ends of the injection pipe (1) are respectively and fixedly connected with an infusion bag plug (13) and a nasogastric tube connector (14), the enteral nutrition injector is characterized in that an auxiliary component (2) is sleeved on the outer wall of one end of the injection pipe (1) close to the nasogastric tube connector (14), the auxiliary component (2) comprises an external pipe (21) and a plurality of sealing pressure pipes (22), the external pipe (21) is sleeved on the outer wall of the injection pipe (1), a cavity is arranged between the external pipe (21) and the injection pipe (1), the external pipe (21) is provided with a plurality of permeation holes (211), the sealing pressure pipes (22) are mutually detachably connected, and the sealing pressure pipes (22) are sleeved on the outer wall of the external pipe (21), the sealing pressure pipe (22) comprises a first pressure pipe (22 a) and a second pressure pipe (22 b) which are mutually involutory, wherein the first pressure pipe (22 a) and the second pressure pipe (22 b) are provided with a slot (221), the first pressure pipe (22 a) and the second pressure pipe (22 b) are provided with a connecting flange (222) at the bottom end, the diameter of the outer wall of the connecting flange (222) is corresponding to that of the slot (221), the first pressure pipe (22 a) and the second pressure pipe (22 b) are provided with outer threads which correspond to each other, the outer wall of the sealing pressure pipe (22) is screwed with a fastening pipe (23), and the external pipe (21) is far away from the end face of one end of the nasogastric tube joint (14) and is connected with an infusion pipe (24) in a sealing mode.

2. The enteral feeding injector according to claim 1, wherein the sealing pressure tube (22) has an inner diameter corresponding to the outer diameter of the external tube (21).

3. The enteral feeding set according to claim 1, wherein the length of the infusion tube (24) is greater than the length of the fastening tube (23).

4. The enteral feeding set according to claim 1, wherein the other end of said infusion tube (24) is sealingly connected to a syringe adapter (241).

5. The enteral feeding set according to claim 1, wherein the inner wall of said fastening tube (23) is internally threaded, said internal thread of the inner wall of said fastening tube (23) corresponding to said external thread of the outer wall of said sealing pressure tube (22).

6. The enteral feeding set according to claim 1, wherein said outer tube (21) is made of medical grade rubber.