Membrane oxygenator temperature monitor

By designing an adjustable-length membrane oxygenator temperature monitor and a built-in battery display, the problem of poor compatibility of existing monitors has been solved, enabling accurate temperature monitoring and convenient use of different blood storage tanks.

CN223551199UActive Publication Date: 2025-11-14ZHUHAI DERUI MEDICAL INSTR CO LTD
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Patent Information

Application Number
CN202422981200.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-04
Publication Date
2025-11-14
Estimated Expiration
2034-12-04

AI Technical Summary

Technical Problem

Existing membrane oxygenator temperature monitors are not compatible with blood storage tanks of different heights, resulting in poor monitoring performance.

Method used

A monitor comprising a meter head, a threaded rod, an adjusting sleeve, a rotating sleeve, and a temperature probe was designed. The length of the monitor can be adjusted by rotating the rotating sleeve to fit blood storage tanks of different heights. It is equipped with a built-in battery and a display screen to achieve real-time temperature monitoring without the need for an external power source.

Benefits of technology

It enables adaptive monitoring of blood storage tanks of different heights, improving ease of use and monitoring accuracy, and can display blood temperature in real time without the need for an external power supply.

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Abstract

The temperature monitor comprises a meter head, a threaded rod, an adjusting sleeve, a rotating sleeve and a temperature probe, one end of the threaded rod is fixedly connected with the meter head through a connecting sleeve, one end of the adjusting sleeve is fixedly connected with the rotating sleeve, the adjusting sleeve is in threaded connection with the other end of the threaded rod, and the temperature probe and the rotating sleeve are fixed in an inserted mode. Wherein the connecting sleeve, the threaded rod, the adjusting sleeve, the rotating sleeve and the low-temperature probe are coaxially arranged. According to the monitor, the adjusting sleeve can be driven to rotate at different positions on the threaded rod by rotating the rotating sleeve, the monitor can be adapted to blood storage tanks with different heights for temperature monitoring by adjusting the overall length of the monitor, and the monitor has good adaptability. A built-in battery and a display screen are arranged, real-time monitoring can be achieved without an external power source, the temperature value of blood can be displayed through the display screen, and use convenience is improved.
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Description

Technical Field

[0001] This utility model belongs to the field of medical monitoring technology, and in particular relates to a membrane oxygenator temperature monitor. Background Technology

[0002] A membrane oxygenator, also known as a membrane artificial lung, is a disposable artificial device that enables blood gas exchange. Based on the principle of alveolar gas exchange, it integrates oxygenation, temperature regulation, blood storage, and filtration functions to replace lung function in oxygenating the blood and removing carbon dioxide to meet the needs of patients during surgery. Its key feature is that blood and gas do not come into direct contact, resulting in good biomimetic properties.

[0003] The principle of a membrane oxygenator is that venous blood drained from the body is oxygenated and carbon dioxide is removed within the membrane oxygenator, thus becoming arterial blood, which is then returned to the patient to maintain the oxygenated blood supply to the body's organs and tissues. During open-heart surgery, it can temporarily replace the function of the lungs, providing the surgeon with a relatively clear surgical field, facilitating the operation. Most mainstream membrane oxygenators generally consist of two chambers: an oxygenation chamber and a temperature-controlled chamber. Additionally, they may include a venous blood reservoir.

[0004] Typically, blood temperature needs to be monitored in real time during use. This is usually achieved by assembling a monitor with the blood storage tank of a membrane oxygenator. Since blood storage tanks come in various height specifications, fixed monitors are usually not compatible. Utility Model Content

[0005] The purpose of this invention is to provide a membrane oxygenator temperature monitor to solve the problems mentioned in the background art.

[0006] In view of this, the present invention provides a membrane oxygenator temperature monitor, including a gauge head, a threaded rod, an adjusting sleeve, a rotating sleeve, and a temperature probe. One end of the threaded rod is fixedly connected to the gauge head through a connecting sleeve, one end of the adjusting sleeve is fixedly connected to the rotating sleeve, and the adjusting sleeve is threadedly connected to the other end of the threaded rod. The temperature probe and the rotating sleeve are inserted and fixed. The connecting sleeve, the threaded rod, the adjusting sleeve, the rotating sleeve, and the temperature probe are coaxially arranged.

[0007] A further embodiment of this utility model is that the rotating sleeve includes a rotating part, and a plurality of anti-slip protrusions are arranged circumferentially on the outside of the rotating part. The anti-slip protrusions extend along their axial direction, and one end of the adjusting sleeve is fixedly connected to one end of the rotating part.

[0008] A further embodiment of this utility model is that the inside of the rotating sleeve is provided with a first positioning plane for positioning and cooperating with a second positioning plane on the temperature probe.

[0009] A further embodiment of this utility model is that the connecting sleeve and the gauge head are threaded together.

[0010] A further embodiment of this utility model is that the meter head includes an upper shell and a lower shell, the upper shell and the lower shell being connected together, and also includes a circuit module disposed in the upper shell and the lower shell. The circuit module includes a main board, a display screen and a power switch. The main board is fixed between the upper shell and the lower shell. The display screen and the power switch are respectively located on both sides of the main board and are respectively connected to the upper shell and the lower shell. The display screen is used to display blood temperature data detected by the temperature probe.

[0011] A further embodiment of this utility model includes a battery connected and mounted on the motherboard.

[0012] The beneficial effects of this utility model are:

[0013] This monitor can be adjusted by rotating the rotating sleeve to move the adjusting sleeve to different positions on the threaded rod, thus adjusting the overall length of the monitor to fit blood storage tanks of different heights for temperature monitoring, and has good adaptability.

[0014] Equipped with a built-in battery and display screen, it can monitor and display the blood temperature value in real time without an external power source, improving ease of use. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the exploded structure of this utility model. Detailed Implementation

[0017] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0018] In the description of this application, it should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0019] It should be noted that the terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and are not limited in number; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0020] It should be noted that in the description of this application, the directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this application. The directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0021] It should be noted that, in this application, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

[0022] like Figure 1 and Figure 2 This embodiment provides a membrane oxygenator temperature monitor, which includes a gauge head 1, a threaded rod 2, an adjusting sleeve 3, a rotating sleeve 4, and a temperature probe 5.

[0023] One end of the threaded rod 2 is fixedly connected to the meter head 1 via a connecting sleeve, and the connecting sleeve and the meter head 1 are threaded together.

[0024] One end of the adjusting sleeve 3 is fixedly connected to the rotating sleeve 4, and the other end of the adjusting sleeve 3 is threadedly connected to the threaded rod 2. The temperature probe 5 and the rotating sleeve 4 are inserted and fixed. The connecting sleeve, threaded rod 2, adjusting sleeve 3, rotating sleeve 4 and temperature probe are coaxially arranged. The temperature probe 5 is an existing temperature sensor, which will not be described in detail in this embodiment. The temperature probe 5 generates corresponding electrical signal data by being inserted into the blood storage tank of the oxygenator and contacting the blood. Since different blood storage tanks have different heights, it is necessary to rotate the rotating sleeve 4 to drive the adjusting sleeve 3 to rotate and adjust to different positions on the threaded rod 2, thereby changing the overall length of the monitor to adapt to blood storage tanks of various heights, so that the temperature probe 5 can be inserted into the blood, improving the adaptability of use.

[0025] A further embodiment of this utility model is that the rotating sleeve 4 includes a rotating part 40, and a plurality of anti-slip protrusions 41 are arranged circumferentially on the outside of the rotating part 40. The anti-slip protrusions 41 extend axially. One end of the adjusting sleeve 3 is fixedly connected to one end of the rotating part 40. The anti-slip protrusions 41 can increase the friction with the fingers and prevent the problem of slipping during adjustment.

[0026] Furthermore, in order to prevent the temperature probe 5 from rotating inside the rotating sleeve 4, a first positioning plane 42 is provided inside the rotating sleeve 4 for positioning and cooperating with the second positioning plane 50 on the temperature probe 5, thereby restricting the rotational freedom of the temperature probe 5 inside the rotating sleeve 4.

[0027] In this embodiment, the meter 1 includes an upper shell 10 and a lower shell 11, which are connected and closed together. It also includes a circuit module disposed within the upper shell 10 and lower shell 11. The circuit module includes a main board 6, a display screen 7, and a power switch 8. The main board 6 is fixed between the upper shell 10 and the lower shell 11. The display screen 7 and the power switch 8 are located on opposite sides of the main board 6 and are connected to the upper shell 10 and lower shell 11 respectively. The display screen 7 is used to display blood temperature data detected by the temperature probe 5. The electrical signal data generated by the temperature probe 5 is processed by the main board 6 into corresponding temperature data displayed on the display screen 7. The monitor also includes a battery connected to the main board 6, allowing real-time monitoring and display of blood temperature values ​​on the display screen 7 without an external power supply, improving ease of use. The temperature probe 5, main board 6, battery, display screen 7, and power switch 8 are all common existing components, and their structural principles will not be elaborated in this embodiment.

[0028] The embodiments of this application have been described above with reference to the accompanying drawings. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. This application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A membrane oxygenator temperature monitor, characterized in that, The device includes a meter head, a threaded rod, an adjusting sleeve, a rotating sleeve, and a temperature probe. One end of the threaded rod is fixedly connected to the meter head via a connecting sleeve. One end of the adjusting sleeve is fixedly connected to the rotating sleeve, and the adjusting sleeve is threadedly connected to the other end of the threaded rod. The temperature probe and the rotating sleeve are inserted and fixed. The connecting sleeve, the threaded rod, the adjusting sleeve, the rotating sleeve, and the temperature probe are coaxially arranged.

2. The membrane oxygenator temperature monitor according to claim 1, characterized in that, The rotating sleeve includes a rotating part, and a plurality of anti-slip protrusions are arranged circumferentially on the outside of the rotating part. The anti-slip protrusions extend along their axial direction, and one end of the adjusting sleeve is fixedly connected to one end of the rotating part.

3. The membrane oxygenator temperature monitor according to claim 1, characterized in that, The rotating sleeve has a first positioning plane inside for positioning and cooperating with the second positioning plane on the temperature probe.

4. The membrane oxygenator temperature monitor according to claim 1, characterized in that, The connecting sleeve and the gauge head are threaded together.

5. A membrane oxygenator temperature monitor according to claim 1, characterized in that, The meter head includes an upper shell and a lower shell, which are connected to each other. It also includes a circuit module disposed in the upper and lower shells. The circuit module includes a main board, a display screen and a power switch. The main board is fixed between the upper and lower shells. The display screen and the power switch are located on both sides of the main board and are connected to the upper and lower shells respectively. The display screen is used to display blood temperature data detected by the temperature probe.

6. A membrane oxygenator temperature monitor according to claim 5, characterized in that, It also includes the battery connected to the motherboard.