Enteral nutrition perfusion apparatus capable of measuring temperature

By integrating the temperature measuring piston and display assembly in the enteral nutrition perfusion device, the nutrient solution temperature is monitored and displayed in real time, the problem of inappropriate temperature during enteral nutrition perfusion is solved, which significantly reduces the patient's discomfort symptoms and improves the perfusion operation controllability.

CN222426700UActive Publication Date: 2025-02-07TONGJI HOSPITAL ATTACHED TO TONGJI MEDICAL COLLEGE HUAZHONG SCI TECH
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Patent Information

Application Number
CN202420772694.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-15
Publication Date
2025-02-07
Estimated Expiration
2034-04-15

AI Technical Summary

Technical Problem

During enteral nutritional infusion, the temperature of the nutrient solution is too high or too low, which can lead to abdominal pain, bloating or diarrhea in the patient, and it is difficult for the prior art to effectively control the perfusion temperature.

Method used

A enteral nutrition infusion device that can measure temperature is designed, integrating a temperature measuring piston and display component, and the temperature sensor and circuit chip are used to monitor the temperature of the nutrient solution in real time, and the temperature status is displayed in different colors through the display component to help operators control it. Infusion temperature.

Benefits of technology

It effectively reduces the incidence of abdominal pain, bloating or diarrhea in patients caused by inappropriate temperature of nutrient solution, and improves the controllability and safety of perfusion operations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an enteral nutrition perfusion device capable of measuring temperature, which comprises a sleeve and a knob cover, a knob of the knob cover is arranged at the position, far away from the discharging end, of the sleeve, a piston rod movably penetrating through the knob cover is arranged in the sleeve, and a temperature measuring piston is arranged at one end, located in the sleeve, of the piston rod. The push plate is provided with a display assembly used for displaying the temperature measurement result of the temperature measurement piston. The temperature measuring function and the perfusion function are integrated, the discharging port of the sleeve stretches into a nutrient solution, then the piston rod is pulled, the temperature measuring piston is driven to move towards the rotary knob cover, negative pressure is generated in the sleeve, then the nutrient solution is pumped into the sleeve, and before the nutrient solution is perfused to a patient, the temperature sensor makes contact with the nutrient solution; after the temperature is measured by the temperature sensor, the circuit chip displays the temperature state in different colors through the display assembly, so that an operator can better control the perfusion temperature, and the occurrence rate of abdominal pain and abdominal distension or diarrhea of a patient caused by too high or too low temperature of a nutrient solution is reduced.
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Description

Technical Field

[0001] The utility model relates to the field of enteral nutrition perfusion devices, in particular to an enteral nutrition perfusion device capable of measuring temperature. Background Art

[0002] The vast majority of inpatients in gastrointestinal surgery are cancer patients, among whom a large proportion require enteral nutrition after surgery. There are also many patients who have had fistulas inserted in the late stages of cancer and who receive enteral nutrition infusion at home. Enteral nutrition is related to the recovery of postoperative patients and the quality of life and life extension of patients with advanced cancer. When performing enteral nutrition infusion, a syringe is needed to flush the tube. Some patients directly use a syringe to infuse nutrients such as milk and slurry. The infusion liquid temperature is required to be between 38°C and 40°C. Too high or too low a temperature will increase the incidence of abdominal pain, bloating or diarrhea in patients. Utility Model Content

[0003] The utility model aims to provide an enteral nutrition perfusion device capable of measuring temperature, so as to solve the above problems existing in the prior art.

[0004] The technical solution of the utility model to solve the above technical problems is as follows:

[0005] An enteral nutrition perfusion device capable of measuring temperature comprises a sleeve and a knob cover of the sleeve away from the discharge end, a piston rod movably passing through the knob cover is arranged in the sleeve, a temperature measuring piston is arranged at one end of the piston rod located in the sleeve, a push plate is arranged at the other end of the piston rod, and a display component for displaying the temperature measurement result of the temperature measuring piston is arranged on the push plate;

[0006] The temperature measuring piston includes a plug body slidably arranged in the sleeve, a plug cavity is opened at one end of the plug body away from the sleeve discharge port, and also includes a temperature sensor arranged inside the plug cavity and extending to the other end of the plug body. A circuit chip is provided at one end of the temperature sensor located in the plug cavity, and a battery for providing power to the circuit chip, the temperature sensor and the display component is provided on the other side of the circuit chip through a supporting plate, and the temperature sensor, the battery and the display component are all electrically connected to the circuit chip.

[0007] The beneficial effect of the utility model is that the temperature measurement function and the perfusion function are integrated, the sleeve outlet is extended into the nutrient solution, and then the piston rod is pulled, and then the temperature measurement piston is driven to move toward the knob cover, so that negative pressure is generated in the sleeve, and the nutrient solution is then drawn into the sleeve. Before the nutrient solution is perfused to the patient, the temperature sensor will contact the nutrient solution. After the temperature sensor measures the temperature, the circuit chip will display the temperature status in different colors through the display component, so that the operator can better control the perfusion temperature, thereby reducing the incidence of abdominal pain, bloating or diarrhea caused by the nutrient solution temperature being too high or too low. The display component is arranged at the push plate to ensure that the perfusion personnel can know whether the perfusion temperature is appropriate in time before operating the push plate for perfusion, so as to avoid misoperation by the perfusion personnel.

[0008] On the basis of the above technical solution, the present invention can also be improved as follows.

[0009] Furthermore, a plurality of pads are provided between the circuit chip and the carrier board, with the center of the circuit chip as the center and distributed in a circle, and the pads are insulating pads.

[0010] Furthermore, one end of the plug body away from the sleeve discharge port is provided with a docking sleeve with a threaded inner wall, the inner diameter of the docking sleeve is larger than the inner diameter of the plug cavity, and the docking sleeve is threadedly connected to the piston rod.

[0011] Furthermore, a wire cavity penetrating the piston rod is provided inside the piston rod along the length direction of the piston rod.

[0012] Furthermore, a mounting groove for accommodating the display assembly and communicating with the wire cavity is provided inside the push plate.

[0013] Furthermore, the display assembly includes a light board arranged inside the mounting groove, one side of the light board is connected to a wire that passes through the wire cavity and is electrically connected to the circuit chip and the battery, and the other side of the light board is provided with a signal light and a switch button extending from the push plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of a transverse section of the overall structure of the utility model;

[0015] Figure 2 It is a schematic cross-sectional view of the temperature measuring piston structure of the utility model.

[0016] Figure 3 This is a cross-sectional schematic diagram of the connection relationship between the temperature measuring piston and the piston rod of the utility model;

[0017] Figure 4 This is a schematic cross-sectional view of the installation relationship between the push plate and the display assembly of the utility model;

[0018] Figure 5 It is a schematic diagram of the overall structure of the utility model.

[0019] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0020] 1. Sleeve; 2. Knob cover; 3. Piston rod; 31. Wire cavity; 4. Temperature measuring piston; 41. Plug body; 42. Plug cavity; 43. Temperature sensor; 44. Circuit chip; 45. Pad; 46. Loading plate; 47. Battery; 48. Docking tube; 5. Push plate; 6. Display assembly; 61. Light board; 62. Signal light; 63. Switch button. DETAILED DESCRIPTION

[0021] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0022] See also Figure 1-5 , Embodiment 1 of the utility model, an enteral nutrition perfusion device capable of measuring temperature, comprises a sleeve 1 and a knob cover 2 of the sleeve 1 away from the discharge end, a piston rod 3 movably passing through the knob cover 2 is arranged in the sleeve 1, a temperature measuring piston 4 is arranged at one end of the piston rod 3 located in the sleeve 1, a push plate 5 is arranged at the other end of the piston rod 3, and a display component 6 for displaying the temperature measurement result of the temperature measuring piston 4 is arranged on the push plate 5;

[0023] The temperature measuring piston 4 includes a plug body 41 slidably arranged in the sleeve 1, and a plug cavity 42 is opened at one end of the plug body 41 away from the discharge port of the sleeve 1. It also includes a temperature sensor 43 arranged inside the plug cavity 42 and extending to the other end of the plug body 41. A circuit chip 44 is provided at one end of the temperature sensor 43 located in the plug cavity 42, and a battery 47 for providing power to the circuit chip 44, the temperature sensor 43 and the display component 6 is provided on the other side of the circuit chip 44 through a supporting plate 46. The temperature sensor 43, the battery 47 and the display component 6 are all electrically connected to the circuit chip 44. The temperature measurement function and the perfusion function are integrated, the discharge port of the sleeve 1 is extended into the nutrient solution, and then the piston rod 3 is pulled, and then the temperature measurement piston 4 is driven to move toward the knob cover 2, so that negative pressure is generated in the sleeve 1, and the nutrient solution is then drawn into the sleeve 1. Before the nutrient solution is perfused to the patient, the temperature sensor 43 will contact the nutrient solution. After the temperature sensor 43 measures the temperature, the circuit chip 44 displays the temperature status in different colors through the display component 6, so that the operator can better control the perfusion temperature, thereby reducing the incidence of abdominal pain, bloating or diarrhea caused by the nutrient solution temperature being too high or too low. The display component 6 is arranged at the push plate 5 to ensure that the perfusion personnel can know whether the perfusion temperature is appropriate in time before operating the push plate 5 for perfusion, so as to avoid misoperation by the perfusion personnel.

[0024] It should be noted that the temperature sensor 43 can be a thermistor or a thermocouple. The outer cover of the temperature sensor 43 is provided with a waterproof film. The plug body 41 is made of rubber. The temperature sensor 43 and the plug body 41 are sealed and connected by an interference fit to prevent the injected nutrient solution from flowing into the plug cavity 42 and causing damage to the circuit chip 44 and the battery 47.

[0025] Embodiment 2 of the utility model is an enteral nutrition infuser capable of measuring temperature. Based on embodiment 1, a plurality of pads 45 are provided between the circuit chip 44 and the carrier plate 46, with the center of the circuit chip 44 as the center and distributed in a circle, and the pads 45 are insulating pads.

[0026] The circuit chip 44 and the carrier board 46 are separated by the spacer 45 , so as to prevent the carrier board 46 from pressing the micro electronic components on the circuit chip 44 and facilitate the heat dissipation of the micro electronic components.

[0027] Utility model embodiment 3, an enteral nutrition infusion device capable of measuring temperature, is based on any one of embodiments 1-2, and an end of the plug body 41 away from the discharge port of the sleeve 1 is provided with a docking sleeve 48 with a threaded inner wall, the inner diameter of the docking sleeve 48 is larger than the inner diameter of the plug cavity 42, and the docking sleeve 48 is threadedly connected to the piston rod 3.

[0028] By threadedly docking the docking sleeve 48 with the piston rod 3, the stability of the connection between the docking sleeve 48 and the piston rod 3 can be ensured, and at the same time, it is convenient to disassemble the docking sleeve 48 and the piston rod 3, and then it is convenient to replace the battery 47, or replace and repair the circuit chip 44 and the temperature sensor 43; in addition, the inner diameter of the docking sleeve 48 is larger than the inner diameter of the plug cavity 42, which is conducive to the installation of the temperature sensor 43, the circuit chip 44 and the battery 47 from one side of the docking sleeve 48.

[0029] Utility model embodiment 4 is an enteral nutrition infuser capable of measuring temperature. Based on any one of embodiments 1-3, a guide wire cavity 31 penetrating the piston rod 3 is provided inside the piston rod 3 along the length direction of the piston rod 3 .

[0030] The wires connecting the display assembly 6 and the circuit chip 44 and the battery 47 are built into the wire cavity 31 to avoid the wires being placed outside and affecting the movement of the piston rod 3 .

[0031] Utility model embodiment 5, an enteral nutrition insulator capable of measuring temperature, is based on any one of embodiments 1-4, and a lamp trough is provided inside the push plate 5 for accommodating the display assembly 6 and communicating with the wire cavity 31, and the display assembly 6 includes a lamp board 61 arranged inside the lamp trough, and one side of the lamp board 61 is connected to a wire that passes through the wire cavity 31 and is electrically connected to the circuit chip 44 and the battery 47, and the other side of the lamp board 61 is provided with a signal lamp 62 and a switch button 63 extending from the push plate 5.

[0032] The signal lights 62 are provided with three diodes in three colors, namely, "red", "yellow" and "green".

[0033] Among them, when the "red" diode lights up, it means that the temperature of the nutrient solution in sleeve 1 is too high; when the "yellow" diode lights up, it means that the temperature of the nutrient solution in sleeve 1 is too low; when the "green" diode lights up, it means that the temperature of the nutrient solution in sleeve 1 is appropriate, and the condition for the "green" diode to light up is that the temperature of the nutrient solution in sleeve 1 is between 38°C and 40°C.

[0034] This can increase the operability of the operator and reduce the abdominal pain, bloating or diarrhea caused by the patient using nutrient solution with inappropriate temperature.

[0035] Before measuring the temperature, the switch button 63 needs to be manually pressed to power on the light board 61 . After use, the switch button 63 needs to be pressed again to power off the light board 61 , thereby saving battery 47 consumption.

[0036] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An enteral nutrition infusion device capable of measuring temperature, characterized in that: The invention comprises a sleeve (1) and a knob cover (2) located at a distance from the discharge end of the sleeve (1); a piston rod (3) is arranged in the sleeve (1) and movably passes through the knob cover (2); a temperature measuring piston (4) is arranged at one end of the piston rod (3) located in the sleeve (1); a push plate (5) is arranged at the other end of the piston rod (3); a display component (6) for displaying the temperature measurement result of the temperature measuring piston (4) is arranged on the push plate (5); The temperature measuring piston (4) comprises a plug body (41) slidably arranged in the sleeve (1); a plug cavity (42) is provided at one end of the plug body (41) away from the discharge port of the sleeve (1); and a temperature sensor (43) is arranged inside the plug cavity (42) and extends to the other end of the plug body (41); a circuit chip (44) is provided at one end of the temperature sensor (43) located in the plug cavity (42); a battery (47) for providing electrical energy to the circuit chip (44), the temperature sensor (43) and the display component (6) is provided on the other side of the circuit chip (44) through a carrier plate (46); the temperature sensor (43), the battery (47) and the display component (6) are all electrically connected to the circuit chip (44).

2. The enteral nutrition infusion device capable of measuring temperature according to claim 1, characterized in that: A plurality of pads (45) are provided between the circuit chip (44) and the carrier plate (46), with the center of the circuit chip (44) as the center and distributed in a circle, and the pads (45) are insulating pads.

3. The enteral nutrition infusion device capable of measuring temperature according to claim 1, characterized in that: The end of the plug body (41) away from the discharge port of the sleeve (1) is provided with a docking sleeve (48) with a threaded inner wall. The inner diameter of the docking sleeve (48) is larger than the inner diameter of the plug cavity (42). The docking sleeve (48) is threadedly connected to the piston rod (3).

4. The enteral nutrition perfusion device capable of measuring temperature according to claim 1, characterized in that: A wire cavity (31) penetrating the piston rod (3) is provided inside the piston rod (3) along the length direction of the piston rod (3).

5. The enteral nutrition perfusion device capable of measuring temperature according to claim 4, characterized in that: The push plate (5) has an interior provided with a mounting groove for accommodating the display assembly (6) and communicating with the wire cavity (31).

6. The enteral nutrition perfusion device capable of measuring temperature according to claim 5, characterized in that: The display assembly (6) includes a light board (61) arranged inside the mounting groove, one side of the light board (61) is connected to a wire that passes through the wire cavity (31) and is electrically connected to the circuit chip (44) and the battery (47), and the other side of the light board (61) is provided with a signal light (62) and a switch button (63) extending out of the push plate (5).