CN213099523U

CN213099523U - Enteral nutrition infusion device

Info

Publication number: CN213099523U
Application number: CN202020629492.1U
Authority: CN
Inventors: 谢秋菊; 刘露; 詹军; 雷志影
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2021-05-04
Anticipated expiration: 2030-04-23

Abstract

The utility model relates to an enteral nutrition infusion device, which comprises an infusion tube, a micro pump and an injector, wherein both ends of the infusion tube are respectively provided with a luer connector and a stomach tube connector, the infusion tube is communicated with the injector through the luer connector, and the infusion tube is communicated with the stomach tube through the stomach tube connector; the micro pump comprises a shell, a motor, a controller and a pushing mechanism for pushing a pushing handle of the injector, the injector is mounted on the shell, the motor and the controller are both arranged in the shell and are mutually connected, and the motor is used for driving the pushing mechanism. This nutrition infusion device in intestines utilizes pushing mechanism to promote the handle that pushes away of syringe, through motor automatic control pushing mechanism, reduces artifical the input, improves work efficiency. The controller controls the rotating speed of the motor so as to control the sliding speed of the push handle of the injector, thereby realizing the purpose of controlling the infusion speed and ensuring the uniform administration.

Description

Enteral nutrition infusion device

Technical Field

The utility model relates to a medical equipment technical field particularly, relates to a nutrition infusion device in intestines.

Background

Enteral nutrition refers to a method for injecting nutrient solution which can be absorbed only by chemical digestion or without digestion into the gastrointestinal tract of a patient through a digestive tract catheter or a stoma to provide nutrients needed by the patient, is a simple, safe and effective nutrition supply method, and plays an increasingly important role in clinical nutrition support.

At present, an enteral nutrition infusion device used in hospitals is similar to a medical infusion tube, a conical joint part is communicated with nutrient solution, then the nutrient solution is hung on an infusion rod, the infusion device is communicated with a nasal gastrointestinal tube, the flow rate is adjusted by a regulator on the infusion tube for infusion, but nutrient substances cannot be accurately and uniformly infused to patients. When the posture and position of the patient are changed, the infusion speed of the medicine is influenced, and even the gastric contents of the patient are possibly refluxed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an enteral nutrition infusion device capable of controlling the infusion speed is provided.

In order to solve the technical problem, the utility model adopts the following technical scheme:

an enteral nutrition infusion device comprises an infusion tube, a micro pump and an injector, wherein both ends of the infusion tube are respectively provided with a luer connector and a stomach tube connector, the infusion tube is communicated with the injector through the luer connector, and the infusion tube is communicated with the stomach tube through the stomach tube connector; the micro pump comprises a shell, a motor, a controller and a pushing mechanism for pushing a pushing handle of the syringe, the syringe is mounted on the shell, the motor and the controller are both arranged in the shell, the motor is used for driving the pushing mechanism, and the controller is used for controlling the motor.

As a further improvement of the above technical solution:

the pushing mechanism comprises a screw rod, a connecting rod and a pushing head, the screw rod is arranged in the shell and is rotatably connected with the shell, a nut is connected onto the screw rod in a threaded manner, a sliding groove is formed in the shell along the length direction of the injector, one end of the connecting rod is fixedly connected with the nut, the other end of the connecting rod penetrates through the sliding groove and is fixedly connected with the pushing head, and the connecting rod can slide along the sliding groove; the motor is used for driving the screw rod to rotate. The rotation of the screw rod drives the push head to move, so that the speed of enteral nutrition infusion can be better controlled.

Furthermore, a penetrating mounting groove is formed in the front of the shell, the mounting groove is formed by communicating a first groove and a second groove, a step is formed at the joint of the first groove and the second groove, an injection tube of the injector is placed in the first groove, and the step blocks the tail edge of the injection tube outside the first groove; the spout sets up at the second recess inner wall. The syringe is installed at the micropump through the mounting groove, makes things convenient for the dismouting.

Furthermore, the front part of the shell is provided with an operation panel which is arranged above the mounting groove. The medical staff accurately adjusts the speed of enteral nutrition infusion through the operation panel.

The enteral nutrition infusion device further comprises a three-way adapter, two ends of a main pipe of the three-way adapter are respectively communicated with the stomach tube connector and the infusion tube, one end of the branch pipe is a flushing end, and the flushing end is provided with a protective cover. Meanwhile, the device has the functions of nutrient solution injection and flushing of the enteral nutrient pipeline, is convenient for flushing the enteral nutrient pipeline, flushes the residual nutrient solution completely, and ensures sanitation and reduces the breeding of bacteria.

Still further, the stomach tube connects for spiral funnel structure, and tee bend crossover sub connects stomach tube and connects one end and be equipped with the external screw thread, is equipped with the internal thread that matches with the external screw thread in the one end that the stomach tube connects the bore the biggest, and the stomach tube connects to twist to connect on tee bend crossover sub, and the stomach tube connects the less one end intercommunication stomach tube of bore. The stomach tube connects can dismantle with tee bend crossover sub and is connected, and the stomach tube of different specifications is conveniently changed according to actual conditions connects.

Furthermore, a conducting switch is arranged on the three-way adapter. The conduction direction of the three-way adapter can be controlled by the conduction switch.

Compared with the prior art, the utility model has the advantages that:

the enteral nutrition infusion device utilizes the pushing mechanism to push the pushing handle of the injector, and reduces the manual input and improves the working efficiency through the automatic control pushing mechanism of the motor. The controller controls the rotating speed of the motor so as to control the sliding speed of the push handle of the injector, thereby realizing the purpose of controlling the infusion speed and ensuring the uniform administration.

Drawings

Fig. 1 is a schematic view of the structure of an enteral feeding set.

Fig. 2 is a cross-sectional view of an enteral feeding set.

Fig. 3 is a schematic structural view of the pushing mechanism.

Fig. 4 is a schematic view of the structure of the infusion tube.

Description of reference numerals:

1. a micro pump; 2. an injector; 3. an infusion tube; 4. mounting grooves; 5. a pushing mechanism; 6. a motor; 7. a controller; 8. a housing; 9. an operation panel; 31. a luer fitting; 32. a gastric tube connector; 33. a three-way crossover sub; 34. turning on the switch; 35. a protective cover; 41. a first groove; 42. a step; 43. a second groove; 44. a chute; 51. pushing the head; 52. a connecting rod; 53. a nut; 54. and a screw rod.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the following detailed description of the present invention, taken in conjunction with the accompanying drawings and the detailed description, is given in a non-limiting manner.

As shown in fig. 1 to 4, the enteral feeding device of the present embodiment includes an infusion tube 3, a micro pump 1 and a syringe 2, wherein both ends of the infusion tube 3 are respectively provided with a luer 31 and a stomach tube connector 32, the infusion tube 3 is communicated with the syringe 2 through the luer 31, and the infusion tube 3 is communicated with the stomach tube through the stomach tube connector 32; the micropump 1 comprises a shell 8, a motor 6, a controller 7 and a pushing mechanism 5 for pushing a pushing handle of the syringe 2, wherein the syringe 2 is installed on the shell 8, the motor 6 and the controller 7 are both arranged in the shell 8, the motor 6 is used for driving the pushing mechanism 5, and the controller 7 is used for controlling the motor 6. The controller 7 adopts a PLC system with a built-in singlechip. The motor 6 is a stepping motor and is directly controlled by a single chip microcomputer. The enteral nutrition infusion device further comprises a three-way adapter 33, two ends of a main pipe of the three-way adapter 33 are respectively communicated with the stomach tube adapter 32 and the infusion tube 3, one end of the branch pipe is a flushing end, and the flushing end is provided with a protective cover 35. Stomach tube connects 32 to be spiral funnel structure, and tee bend crossover sub 33 is connected the stomach tube and is connected 32 one end and be equipped with the external screw thread, and the stomach tube connects to be equipped with the internal thread that matches with the external screw thread in the biggest one end of 32 bores, and the stomach tube connects 32 to twist and connects on tee bend crossover sub 33, and the stomach tube connects the less one end intercommunication stomach tube of 32 bores. The three-way adapter 33 is provided with a conduction switch 34.

The pushing mechanism 5 comprises a screw rod 54, a connecting rod 52 and a pushing head 51, the screw rod 54 is arranged in the shell 8 and is rotatably connected with the shell 8, a nut 53 is connected on the screw rod 54 in a threaded manner, the shell 8 is provided with a sliding groove 44 along the length direction of the injector 2, one end of the connecting rod 52 is fixedly connected with the nut 53, the other end of the connecting rod passes through the sliding groove 44 and is fixedly connected with the pushing head 51, and the connecting rod 52 can slide along the sliding groove 44; the motor 6 is used for driving the screw rod 54 to rotate. The front part of the shell 8 is provided with a through mounting groove 4, the mounting groove 4 is formed by communicating a first groove 41 and a second groove 43, a step 42 is formed at the joint of the first groove 41 and the second groove 43, an injection tube of the injector 2 is placed in the first groove 41, and the step 42 blocks the tail edge of the injection tube out of the first groove 41; the slide groove 44 is provided on the inner wall of the second groove 43. The front part of the shell 8 is provided with an operation panel 9, and the operation panel 9 is arranged above the mounting groove 4. The operation panel 9 is connected to an input interface of the controller 7, and controls the operation of the motor 6 by sending a control command to the controller 7.

For the use of this example, reference is made to the following steps:

when using the enteral feeding set for infusion, first, a nutrient solution is infused into the syringe 2, the barrel of the syringe 2 is placed in the first recess 41, and the step 42 stops the barrel tail out of the first recess 41. Secondly, the motor 6 and the controller 7 are started, and the rotating speed of the motor 6 is adjusted through the controller 7, so that the purpose of adjusting the infusion speed is achieved. Then, the medical staff controls the conduction switch 34 to conduct both ends of the main tube of the three-way adapter 33, and the medicine is administered to the patient in the intestines. Finally, after the nutrient solution injection operation is finished, the medical personnel control switches on the switch 34 to switch on one end of the infusion tube 3 communicated with the flushing end and the three-way adapter 33, the protective cover 35 is opened, the flushing fluid is guided in through the flushing end, the residual nutrient solution in the three-way adapter 33 and the infusion tube 3 is flushed completely, and the sanitation is guaranteed, so that the breeding of bacteria is reduced.

Claims

1. Enteral nutrition infusion device, its characterized in that: the device comprises an infusion tube (3), a micro pump (1) and an injector (2), wherein both ends of the infusion tube (3) are respectively provided with a luer connector (31) and a stomach tube connector (32), the infusion tube (3) is communicated with the injector (2) through the luer connector (31), and the infusion tube (3) is communicated with a stomach tube through the stomach tube connector (32); micropump (1) includes casing (8), motor (6), controller (7) and promotes pushing mechanism (5) of the handle that pushes away of syringe (2), and syringe (2) are installed on casing (8), and motor (6) and controller (7) all set up in casing (8), and motor (6) are used for driving pushing mechanism (5), and controller (7) are used for controlling motor (6).

2. The enteral feeding set according to claim 1, wherein: the pushing mechanism (5) comprises a screw rod (54), a connecting rod (52) and a pushing head (51), the screw rod (54) is arranged in the shell (8) and is rotatably connected with the shell (8), a nut (53) is connected to the screw rod (54) in a threaded manner, a sliding groove (44) is formed in the shell (8) along the length direction of the injector (2), one end of the connecting rod (52) is fixedly connected with the nut (53), the other end of the connecting rod penetrates through the sliding groove (44) to be fixedly connected with the pushing head (51), and the connecting rod (52) can slide along the sliding groove (44); the motor (6) is used for driving the screw rod (54) to rotate.

3. The enteral feeding set according to claim 2, wherein: the front part of the shell (8) is provided with a through mounting groove (4), the mounting groove (4) is formed by communicating a first groove (41) and a second groove (43), a step (42) is formed at the joint of the first groove (41) and the second groove (43), an injection tube of the injector (2) is placed in the first groove (41), and the step (42) blocks the tail edge of the injection tube outside the first groove (41); the sliding groove (44) is arranged on the inner wall of the second groove (43).

4. The enteral feeding set according to claim 3, wherein: the front part of the shell (8) is provided with an operation panel (9), and the operation panel (9) is arranged above the mounting groove (4).

5. The enteral feeding set according to claim 1, wherein: still include tee bend crossover sub (33), tee bend crossover sub (33) are responsible for both ends and are linked together with stomach tube joint (32) and infusion pipe (3) respectively, and branch pipe one end is for washing the end, washes the end and is equipped with protective cover (35).

6. The enteral feeding set according to claim 5, wherein: stomach tube connects (32) and is spiral funnel structure, and tee bend crossover sub (33) are connected stomach tube and are connected (32) one end and are equipped with the external screw thread, are equipped with the internal thread that matches with the external screw thread in the one end that stomach tube connects (32) bore the biggest, and stomach tube connects (32) and twists and connects on tee bend crossover sub (33), and stomach tube connects the less one end intercommunication stomach tube of (32) bore.

7. The enteral feeding set according to claim 6, wherein: and a conduction switch (34) is arranged on the three-way adapter (33).