CN216496554U

CN216496554U - Nasal feeding device

Info

Publication number: CN216496554U
Application number: CN202122051530.7U
Authority: CN
Inventors: 廖晓霜; 陆健龙; 关敏霞
Original assignee: 923th Hospital of the Joint Logistics Support Force of PLA
Current assignee: 923th Hospital of the Joint Logistics Support Force of PLA
Priority date: 2021-08-28
Filing date: 2021-08-28
Publication date: 2022-05-13
Anticipated expiration: 2031-08-28

Abstract

The utility model discloses a nasal feeding and feeding device. This nasal feeding annotates edible device includes casing, injection device and control mechanism, is provided with fixing device outside the casing, and injection device can dismantle with fixing device and be connected, and injection device is used for splendid attire liquid food, and injection device's exit end is connected with the nasogastric tube, and control mechanism sets up in the casing and is connected with injection device for control injection device sees off its inside liquid food. The utility model has the advantages of saving manpower, conveniently controlling the food injection speed and the like.

Description

Nasal feeding device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a nasal feeding and food injecting device.

Background

Patients cannot swallow autonomously in esophageal surgery or in a coma state or with impaired swallowing function, and in order to ensure the nutritional supply of patients, nutrients are generally delivered to patients by nasal feeding to maintain the metabolism, weight and nutrition in the patients. The stomach tube is put into the esophagus through the nasal cavity, the large injector is connected with the large food injection port below the stomach tube joint, and the push rod piston is manually pressurized to inject liquid food into the stomach of a patient.

The injector can not push the liquid food too fast when pushing the liquid food, the amount of the liquid food which needs to be pushed every time is relatively large, the liquid food needs to be pushed repeatedly, the process is long and complicated, medical workers are easy to fatigue under the long-time and high-frequency operation state, and the change of the viscosity of nutrient solution and the fatigue degree of the appliance makes the force difficult to control, so that the flow rate required by the nasal feeding condition is difficult to control, a patient can feel uncomfortable or choke the food carelessly, and the risk of inhalation pneumonia is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide a nasal feeding and food-injecting device which is labor-saving and convenient for controlling the food-injecting speed.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

a nasal feeding and food injecting device comprises a shell, an injection device and a control mechanism, wherein a fixing device is arranged outside the shell, the injection device is detachably connected with the fixing device, the injection device is used for containing liquid food, the outlet end of the injection device is connected with a nasal feeding tube, and the control mechanism is arranged in the shell, is connected with the injection device and is used for controlling the injection device to send out the liquid food inside the injection device; the fixing device comprises a fixing plate and a limiting plate, the fixing plate is fixedly connected to the outer wall of the shell, a containing groove for containing the injection device is formed in the fixing plate, one end of the limiting plate is rotatably connected with the fixing plate, and the other end of the limiting plate spans across the containing groove and is detachably connected with the fixing plate; one end of the limiting plate, which spans the accommodating groove, is provided with a connecting block, and the connecting block is detachably connected with the fixing plate through a butterfly bolt; the injection device comprises a tube body and a plunger, the tube body is arranged in the accommodating groove, the plunger is arranged in the tube body and reciprocates in the tube body, and the tail end of the plunger is connected with the control mechanism; the wall of the accommodating groove is provided with a heating sheet, and the heating sheet is connected with the control mechanism; the control mechanism comprises a screw rod, a stepping motor, a pushing block, a single chip microcomputer, an operation module and a power supply, the screw rod is rotatably arranged in the shell, the stepping motor is fixedly arranged in the shell and connected with the screw rod, and the stepping motor is used for controlling the screw rod to rotate; the shell is provided with a sliding chute penetrating through the shell along the length direction of the screw rod, a sliding block on the screw rod is connected with a connecting rod penetrating through the sliding chute, the connecting rod is connected with a pushing block positioned outside the shell, and the pushing block is connected with the plunger and drives the plunger to move; the singlechip is arranged in the shell and connected with the stepping motor; the operation module is arranged on the surface of the shell and connected with the single chip microcomputer; the power supply is connected with the stepping motor, the single chip microcomputer and the operation module.

In addition, the utility model also provides the following auxiliary technical scheme:

the pushing block and the plunger are coaxially arranged, a groove for the plunger to insert is formed in one side, facing the plunger, of the pushing block, and the plunger is fixed through a screw after being inserted into the groove.

The operation module comprises a display screen, a switch, an injection operation module and a temperature operation module, wherein the injection operation module and the temperature operation module respectively comprise a start key, a pause key, an increase key and a decrease key.

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

the utility model discloses a nasal feeding food injection device which is provided with a control mechanism, an injection device can be driven by the control mechanism to inject food to a patient, a manual food injection mode is replaced, and the workload of medical staff is reduced; meanwhile, the defect that the force is difficult to control when people manually inject food, and a patient feels uncomfortable or chokes the food is overcome through the control mechanism.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments or the related art will be briefly introduced below, and it is obvious that the drawings in the following description only relate to some embodiments of the present invention and do not limit the present invention.

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a cross-sectional view taken along line D-D of the present invention.

Fig. 4 is a rear view of the present invention.

Reference numbers in the figures: 1. a housing; 11. a chute; 2. an injection device; 21. a pipe body; 22. a plunger; 3. a control mechanism; 31. a screw rod; 311. a slider; 312. a connecting rod; 32. a stepping motor; 33. a pushing block; 331. a screw; 34. an operation module; 4. A fixing device; 41. a fixing plate; 42. a limiting plate; 421. connecting blocks; 422. butterfly bolts.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, there will now be described in detail, with reference to the accompanying drawings, a non-limiting detailed description of the present invention.

As shown in fig. 1-4, the nasal feeding device of the present embodiment comprises a housing 1, an injection device 2 and a control mechanism 3, wherein a fixing device 4 is arranged outside the housing 1. Injection device 2 can be dismantled with fixing device 4 and be connected, and injection device 2 is used for splendid attire liquid food, and injection device 2's exit end is connected with nasogastric tube 23, and nasogastric tube 23 puts into the esophagus through patient's nasal cavity. The control mechanism 3 is arranged in the shell 1 and connected with the injection device 2, and is used for controlling the injection device 2 to feed the liquid food in the injection device into the esophagus of the patient through the nasogastric tube.

The injection device 2 comprises a tube body 21 and a plunger 22, wherein the plunger 22 is arranged in the tube body 21 and reciprocates in the tube body 21, the tail end of the plunger 22 is connected with the control mechanism 3, and the control mechanism 3 can drive the plunger 22 to reciprocate.

The control mechanism 3 comprises a screw rod 31, a stepping motor 32, a pushing block 33, a single chip microcomputer, an operation module 34 and a power supply, the screw rod 31 is rotatably arranged in the shell 1, the stepping motor 32 is fixedly arranged in the shell 1 and connected with the screw rod 31, and the stepping motor 32 is used for controlling the screw rod 31 to rotate; the shell 1 is provided with a sliding groove 11 penetrating through the shell 1 along the length direction of the screw rod 31, the sliding block 311 on the screw rod 31 is connected with a connecting rod 312 penetrating through the sliding groove 11, the connecting rod 312 can slide along the sliding groove 11, and the connecting rod 312 is connected with a pushing block 33 positioned outside the shell 1. When the stepping motor 32 works, the screw rod 31 is controlled to rotate, the screw rod 31 makes reciprocating linear motion, and the screw rod 31 drives the connecting rod 312 and the pushing block 33 to make linear motion. The pushing block 33 is disposed coaxially with the plunger 22, a groove for inserting the plunger 22 is disposed on a side of the pushing block 33 facing the plunger 22, the plunger 22 is fixed by a screw 331 after being inserted into the groove, and the pushing block 33 drives the plunger 22 to move to send out the liquid food inside the injection device 2.

The single chip microcomputer is arranged in the shell 1 and is connected with the stepping motor 32. The operation module 34 is arranged on the surface of the shell 1 and connected with the single chip microcomputer, the operation module 34 comprises a display screen, a switch and an injection operation module, the display screen is used for displaying data, the switch is used for controlling the whole device to start or pause, and the injection operation module is used for controlling food injection. The injection operation module comprises a start key, a pause key, an increase key and a decrease key. The power supply is connected with the stepping motor 32, the singlechip and the operation module 34. The operation module 34 can control the working state of the nasal feeding and food injecting device, and the control instruction is input through the keys of the injection operation module, the instruction is recognized by the singlechip, and the working states of the stepping motor 32, such as starting, forward rotation, reverse rotation and the like, are controlled. The display screen is used for displaying data such as food filling speed and the like, and is convenient for medical staff to observe. The selected single chip microcomputer can realize the functions.

Fixing device 4 includes fixed plate 41 and limiting plate 42, and fixed plate 41 fixed connection is at the casing 1 outer wall, sets up the holding tank that is used for placing injection device 2 on fixed plate 41, and injection device 2's body 21 is installed in the holding tank. One end of the limit plate 42 is rotatably connected to the fixing plate 41 via a hinge, and the other end thereof spans over the accommodation groove and is detachably connected to the fixing plate 41. Specifically, the limiting plate 42 strides across the one end of holding tank and is provided with connecting block 421, is provided with butterfly bolt 422 on the connecting block 421, can dismantle with fixed plate 41 through butterfly bolt 422 and be connected to strengthen the fixed to body 21.

In order to avoid food in the injection device 2 to become cold because of the time overlength, be provided with the heating plate on the cell wall of holding tank, heating plate and singlechip electric connection, and control module 34 still includes the temperature operation module who is connected with the singlechip, and temperature operation module all includes start key, pause key, increases the key and subtracts the key. When heating is needed, the heating can be started by pressing a start key after the temperature is adjusted to the needed temperature.

The utility model can replace the artificial nasal feeding for food injection, and the control mechanism 3 can automatically work under the control of the operation module 34 to drive the injection device 2 to inject food to the patient, thereby reducing the workload of medical care personnel; meanwhile, the food injection speed of the control mechanism 3 can be adjusted through the operation module 34, and the defect of uneven manual operation speed is overcome.

It should be noted that the above-mentioned preferred embodiments are merely illustrative of the technical concepts and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. Nasal feeding injection device, its characterized in that: the injection device comprises a shell (1), an injection device (2) and a control mechanism (3), wherein a fixing device (4) is arranged outside the shell (1), the injection device (2) is detachably connected with the fixing device (4), the injection device (2) is used for containing liquid food, the outlet end of the injection device (2) is connected with a nasogastric tube, and the control mechanism (3) is arranged in the shell (1) and connected with the injection device (2) and used for controlling the injection device (2) to send out the liquid food inside the injection device; the fixing device (4) comprises a fixing plate (41) and a limiting plate (42), the fixing plate (41) is fixedly connected to the outer wall of the shell (1), an accommodating groove for accommodating the injection device (2) is formed in the fixing plate (41), one end of the limiting plate (42) is rotatably connected with the fixing plate (41), and the other end of the limiting plate (42) spans the accommodating groove and is detachably connected with the fixing plate (41); one end, crossing over the accommodating groove, of the limiting plate (42) is provided with a connecting block (421), a butterfly bolt (422) is arranged on the connecting block (421), the connecting block (421) is detachably connected with the fixing plate (41) through the butterfly bolt (422), the injection device (2) comprises a tube body (21) and a plunger (22), the tube body (21) is arranged in the accommodating groove, the plunger (22) is arranged in the tube body (21) and reciprocates in the tube body (21), and the tail end of the plunger (22) is connected with the control mechanism (3); a heating sheet is arranged on the wall of the accommodating groove and connected with the control mechanism; the control mechanism (3) comprises a screw rod (31), a stepping motor (32), a pushing block (33), a single chip microcomputer, an operation module (34) and a power supply, the screw rod (31) is rotatably arranged in the shell (1), the stepping motor (32) is fixedly arranged in the shell (1) and connected with the screw rod (31), and the stepping motor (32) is used for controlling the screw rod (31) to rotate; the shell (1) is provided with a sliding groove (11) penetrating through the shell (1) along the length direction of the screw rod (31), a sliding block (311) on the screw rod (31) is connected with a connecting rod (312) penetrating out of the sliding groove (11), the connecting rod (312) is connected with a pushing block (33) located outside the shell (1), and the pushing block (33) is connected with the plunger (22) and drives the plunger (22) to move; the single chip microcomputer is arranged in the shell (1) and is connected with the stepping motor (32) and the heating sheet; the operation module (34) is arranged on the surface of the shell (1) and is connected with the single chip microcomputer; the power supply is connected with the stepping motor (32), the singlechip and the operation module (34).

2. The nasogastric feeding device of claim 1, wherein: the pushing block (33) and the plunger (22) are coaxially arranged, a groove for the plunger (22) to insert into is formed in one side, facing the plunger (22), of the pushing block (33), and the plunger (22) is fixed through a screw (331) after being inserted into the groove.

3. The nasogastric feeding device of claim 2, wherein: the operation module (34) comprises a display screen, a switch, an injection operation module and a temperature operation module, wherein the injection operation module and the temperature operation module respectively comprise a start key, a pause key, an increase key and a decrease key.