Blood oxygen probe structure

By designing an adaptive mechanism and an adjustable strap for the blood oxygen probe structure, the problem of finger discomfort caused by the excessive tightness of existing probes has been solved, enabling adaptive and comfortable measurement under different finger sizes.

CN223944427UActive Publication Date: 2026-02-27DAKANG INNOVATION (SHENZHEN) TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423193870.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2026-02-27
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

Existing pulse oximeter probes are prone to becoming too tight during use, causing discomfort to the fingers, especially during long-term monitoring. This is particularly true for patients in intensive care units or those with sleep apnea, as existing devices cannot adapt to changes in finger size, leading to problems such as numbness and swelling.

Method used

A pulse oximeter probe structure was designed, which includes an adaptive mechanism. By using a combination of sliding rods and springs, the fit of the clamp is automatically adjusted. Combined with an adjustable strap and locking system, the probe can adapt to changes in finger thickness during use, avoiding being too tight or too loose.

Benefits of technology

The probe automatically adapts to the size of the finger during use, reducing finger discomfort and improving measurement comfort and accuracy, making it particularly suitable for patients requiring long-term monitoring.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of medical equipment, and discloses a blood oxygen probe structure which comprises a connecting shaft, a plurality of clamping plates are rotatably connected to the outer portion of the connecting shaft, a plurality of sensors are fixedly connected to the inner portions of the clamping plates, a plurality of self-adaptive mechanisms are arranged in the clamping plates, connectors are fixedly connected to the outer portions of the clamping plates, and the connectors are fixedly connected to the outer portions of the clamping plates. A cable is electrically connected to the exterior of the connector, a displayer is fixedly connected to the other end of the cable, an adjusting mechanism is arranged at the bottom of the displayer, the self-adaptive mechanism comprises a column body, a limiting assembly is arranged in the column body, and a sliding rod is slidably connected to the interior of the column body. According to the utility model, the sliding rod correspondingly slides in the column body, the spring is further compressed or stretched, and the fitting degree of the clamping plate is automatically adjusted through the elastic action of the spring, so that the sensor can be in better contact with human tissues, and the self-adaptive structure can avoid the discomfort of fingers caused by too tight or too loose probe.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field especially, relate to a blood oxygen probe structure. BACKGROUND

[0002] It is used for the daily monitoring of various disease patients. Such as the patient who has chronic obstructive pulmonary disease, pneumonia and other respiratory diseases, or the cardiovascular disease such as coronary heart disease, heart failure patient. Medical staff will periodically use blood oxygen probe to measure the blood oxygen saturation of patient, assess the development and treatment effect of illness. It can also be used during the sleep of patient, because the breathing state of patient can change when sleeping, and blood oxygen probe can discover potential respiratory problems in time.

[0003] Two clamping sheets of part probe in prior art, one is equipped with light emitting diode as light source, another is equipped with photoelectric detector. When using, the finger is placed between two clamping sheets, so that it can closely adhere to the finger.

[0004] But in the specific use process, if probe is too tight, it can cause compression to finger, and cause user discomfort. Long time use of this too tight probe can cause poor blood circulation of finger, and appear finger numbness, swelling and other conditions. Especially for the patient who needs long time continuous monitoring of blood oxygen, such as the patient in intensive care unit or sleep apnea patient at night monitoring, the discomfort will be more obvious, therefore, aiming at the above problems, the blood oxygen probe structure is provided. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides a blood oxygen probe structure, aims at improving the problem that part device in prior art cannot adapt to finger.

[0006] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0007] A blood oxygen probe structure, including connecting shaft, the outside of connecting shaft is rotatably connected with a plurality of clamping plates, the inside of clamping plate is fixedly connected with a plurality of sensors, the inside of clamping plate is provided with a plurality of adaptive mechanisms, the outside of clamping plate is fixedly connected with connector, the outside of connector is electrically connected with cable, the other end of cable is fixedly connected with display, the bottom of display is provided with adjusting mechanism;

[0008] The adaptive mechanism includes cylinder, the inside of cylinder is provided with limiting assembly, the inside of cylinder is slidably connected with sliding rod, the outside of sliding rod is sleeved with spring, the outside of sliding rod is fixedly connected with rubber plate, the outside of cylinder is fixedly connected on the outside of clamping plate;

[0009] Further description of the above technical scheme:

[0010] The limiting assembly comprises a limiting plate, the outside of the limiting plate is slidably connected to the inside of the column body, and the outside of the sliding rod is fixedly connected to the outside of the limiting plate.

[0011] As a further description of the above technical solution:

[0012] The adjusting mechanism comprises a plurality of connecting frames, the outside of the connecting frames is fixedly connected with a belt, the outside of the belt is fixedly connected with a fixing frame, the outside of the fixing frame is fixedly connected with a connecting shaft, the outside of the connecting shaft is rotatably connected with a rotating frame, the outside of the rotating frame is fixedly connected with a clamping rod, the outside of the belt is slidably connected with an extension belt, and the outside of the connecting frames is fixedly connected to the outside of the display.

[0013] As a further description of the above technical solution:

[0014] The outside of the extension belt is slidably connected to the outside of the rotating frame, and the outside of the rotating frame is rotatably connected to the inside of the fixing frame.

[0015] As a further description of the above technical solution:

[0016] The outside of the clamping rod is fixedly connected to the outside of the belt, and the outside of the clamping rod is fixedly connected to the outside of the extension belt.

[0017] As a further description of the above technical solution:

[0018] The outside of the two rubber plates is in contact, and the outside of the sensor is fixedly connected to the outside of the rubber plates.

[0019] As a further description of the above technical solution:

[0020] One end of the spring is fixedly connected to the outside of the rubber plate, and the other end of the spring is fixedly connected to the outside of the column body.

[0021] As a further description of the above technical solution:

[0022] The outside of the clamping plate is fixedly connected with a pressing plate, and the outside of the pressing plate is rotatably connected to the outside of the connecting shaft.

[0023] The utility model has the advantages of the following beneficial effects:

[0024] 1. In the utility model, the sliding rod slides in the column body correspondingly, the spring is further compressed or stretched, the degree of adhesion of the clamping plate is automatically adjusted through the elastic force of the spring, the sensor can better contact with the human tissue, and the self-adaptive structure can avoid the discomfort of the finger caused by the too tight or too loose probe. When the probe can automatically adapt to the thickness of the finger, the finger is not caused excessive compression, and adverse experiences such as finger numbness and pain are reduced.

[0025] 2. In the utility model, the clamping rod is separated from the outside of the extension belt by pulling the clamping rod, then the extension belt can adjust the belt by pulling the extension belt, the clamping rod can be clamped with the extension belt by loosening the rotating frame when the belt is adjusted to the appropriate position, and then the adjustment of the belt can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 A three-dimensional schematic view of a blood oxygen probe structure is provided for the utility model;

[0027] Figure 2 A structural schematic view of the column body of a blood oxygen probe structure is provided for the utility model;

[0028] Figure 3 For Figure 2 The enlarged view of A in the utility model;

[0029] Figure 4 A structural schematic view of the extension belt of a blood oxygen probe structure is provided for the utility model.

[0030] LEGEND:

[0031] 1, connecting shaft;2, clamping plate;3, column body;4, limiting plate;5, sliding rod;6, spring;7, rubber plate;8, sensor;9, connector;10, cable;11, display;12, connecting frame;13, belt;14, fixed frame;15, connecting shaft;16, rotating frame;17, clamping rod;18, extension belt;19, pressing plate. DETAILED DESCRIPTION

[0032] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0033] Referring to Figures 1 to 3The utility model provides an embodiment: a kind of blood oxygen probe structure, including connecting shaft 1, the outside of connecting shaft 1 is rotatably connected with multiple clamping plates 2, the shape of connecting shaft 1 is designed as elongated cylinder, its surface is fine processed, with higher roundness and smoothness, to ensure that when being connected with clamping plate 2 can realize stable and flexible rotation. Clamping plate 2 is as the key component of fixed sensor 8 and contact with human body, and its material is generally plastic or light metal, such as engineering plastic or aluminum alloy. The shape of clamping plate 2 is designed to fit the contour of human measurement part, usually arc or curved shape, to ensure that it can closely and comfortably fit skin in the measurement process, reduce the measurement error caused by poor contact. Multiple sensors 8 are fixedly connected inside clamping plate 2, and sensor 8 is the core element of blood oxygen probe, which uses advanced optical sensor technology, can emit and receive specific wavelength light, accurately calculates physiological parameters such as blood oxygen saturation by detecting the absorption and reflection of light in human tissue;

[0034] Sensor 8 is connected with clamping plate 2 in a way of embedded installation firm, to ensure that there is no loosening or displacement phenomenon in the use process, guarantee the accuracy and stability of measurement. Multiple adaptive mechanisms are provided inside clamping plate 2, which can automatically adjust the fitting degree of clamping plate 2 according to the shape and pressure change of different parts of human body, improve the comfort and accuracy of measurement. Connector 9 is fixedly connected outside clamping plate 2, and the outside of connector 9 is electrically connected with cable 10, and the other end of cable 10 is fixedly connected with display 11. Adjustment mechanism is provided at the bottom of display 11, and the adjustment mechanism includes multiple connecting frames 12. Connecting frame 12 is used as a transition component for connecting display 11 and belt 13, and is generally made of plastic or metal, with certain strength and rigidity. Belt 13 is fixedly connected outside connecting frame 12, and is used as a component for fixing display 11 on human body, and is generally made of elastic fabric material, such as nylon elastic band or rubber elastic band, with good elasticity and air permeability. Fixed frame 14 is fixedly connected outside belt 13, and is used as the installation basis of connecting shaft 15, and is generally made of metal, such as aluminum alloy or stainless steel, with good strength and rigidity. Connecting shaft 15 is fixedly connected outside fixed frame 14, and is the key component for realizing the rotating function of rotating frame 16, and is generally made of high-strength alloy steel, with good rigidity and wear resistance.

[0035] The outer rotating connection of the adapter shaft 15 is provided with a rotating frame 16, which is a key component connecting the clamping rod 17 and the fixing frame 14. The material of the rotating frame 16 is generally metal, such as steel plate or aluminum plate, which has certain strength and toughness. The outer fixed connection of the rotating frame 16 is provided with the clamping rod 17, which can be accurately clamped or separated with other components under the driving of the rotating frame 16, realizing the locking and unlocking of the angle of the display 11, ensuring that the display 11 will not shake or displace during use due to accidental circumstances, and facilitating the user to view the measurement result. The outer sliding connection of the belt 13 is provided with the extension belt 18, and by adjusting the extension length of the extension belt 18, the circumference of the belt 13 is adjusted, so as to adapt to users of different body types, and ensure that the display 11 can be stably worn on the human body, providing comfortable and convenient measurement experience for the user. The outer fixed connection of the connecting frame 12 is provided on the outside of the display 11;

[0036] The adaptive mechanism includes a column 3, which is a basic support component of the adaptive mechanism. The material of the column 3 is generally metal, such as stainless steel or aluminum alloy, which has good strength and rigidity. The shape of the column 3 is usually cylindrical, and the inside of the column 3 is provided with a cavity for accommodating components such as the sliding rod 5 and the spring 6. The inside of the column 3 is provided with a limiting assembly for limiting the sliding range of the sliding rod 5 to ensure the normal operation of the adaptive mechanism. The limiting assembly includes a limiting plate 4, which is made of the same material as the column 3. The shape and size of the limiting plate 4 are designed according to the internal structure of the column 3, and the limiting plate 4 is usually in the form of a circular plate. The outer sliding connection of the limiting plate 4 is provided in the inside of the column 3, which is in close contact with the inner wall of the column 3, but maintains a proper gap to reduce friction resistance and ensure that the limiting plate 4 can slide smoothly in the column 3. The outer sliding connection of the limiting plate 4 is provided in the inside of the column 3, the outer fixed connection of the sliding rod 5 is provided on the outside of the limiting plate 4, the inside of the column 3 is provided with the sliding rod 5, and the shape and size of the sliding rod 5 are matched with the column 3. The sliding rod 5 can slide up and down in the column 3 smoothly, realizing the adjustment of the fitting degree of the clamping plate 2;

[0037] The outer part of the sliding rod 5 is sleeved with a spring 6, which is in a certain compression or stretching state, providing a pre-tightening force for the sliding rod 5, so that the clamping plate 2 can maintain a certain initial fitting pressure. When the clamping plate 2 contacts the human body and is subjected to different pressures, the sliding rod 5 slides in the column 3 accordingly, and the spring 6 is further compressed or stretched, automatically adjusting the fitting degree of the clamping plate 2 through the elastic force of the spring 6, so that the sensor 8 can better contact the human tissue, improving the accuracy of measurement. The outer part of the sliding rod 5 is fixedly connected with a rubber plate 7, which is used as a component directly contacting the human body, and the material thereof is selected from rubber materials with high elasticity, softness and biocompatibility, such as silicone. The shape and size of the rubber plate 7 are designed according to the contact part of the clamping plate 2, which is usually in the form of a circular or square sheet structure, and the surface thereof can be specially treated, such as textured or coated with an antibacterial coating, to increase the friction with the human skin and prevent the clamping plate 2 from slipping during measurement. The outer part of the column 3 is fixedly connected to the outside of the clamping plate 2.

[0038] Referring to Figures 3 to 4 The outer part of the extension belt 18 is slidingly connected to the outside of the rotating frame 16, and the extension belt 18 serves as an adjustable part of the belt 13. The material of the extension belt 18 is consistent with that of the belt 13, which is usually a nylon or rubber blend material with good elasticity and wear resistance. Its width is designed to be moderate, which can ensure stability during sliding and not bring too much restraint to the user. The outer part of the rotating frame 16 is rotatably connected to the inside of the fixed frame 14, and the outer part of the clamping rod 17 is fixedly connected to the outside of the belt 13. The clamping rod 17 serves as a locking component after adjustment of the belt 13, and is made of stainless steel, which has high strength and corrosion resistance. The outer part of the clamping rod 17 is fixedly connected to the outside of the extension belt 18, and the outer parts of the two rubber plates 7 are in contact. The outer part of the sensor 8 is fixedly connected to the outside of the rubber plate 7, and the surface of the rubber plate 7 is slightly arc-shaped, which is adapted to the contour of the measured part of the human body, so as to improve the fitting degree and stability of the contact. When the two rubber plates 7 are in contact, they are tightly and uniformly fitted, which can effectively transmit the pressure and ensure that the sensor 8 can accurately detect the related physiological signals of the human tissue.

[0039] One end of the spring 6 is fixedly connected to the outside of the rubber plate 7, and the other end of the spring 6 is fixedly connected to the outside of the column 3. The outside of the clamping plate 2 is fixedly connected with a pressing plate 19, which is used as a component for operating the opening and closing of the clamping plate 2. The material of the pressing plate 19 is plastic, which has certain strength and flexibility. The shape of the pressing plate 19 is designed in accordance with the principle of ergonomics, which is usually long strip-shaped or arc-shaped, and the surface is provided with anti-skid texture or protrusions, which is convenient for users to operate. The outside of the pressing plate 19 is rotatably connected to the outside of the connecting shaft 1. When the user presses the pressing plate 19, the pressing plate 19 rotates around the connecting shaft 1, thereby driving the clamping plate 2 to open, which is convenient for placing the blood oxygen probe on the human body measurement part. After the pressing plate 19 is released, the clamping plate 2 returns to the initial closed state under the action of the spring 6, so that the rubber plate 7 and the sensor 8 are in close contact with the human skin, and the measurement work begins.

[0040] Working principle: The connecting shaft 1 is used as the core supporting component, which allows multiple clamping plates 2 to rotate around it, so that the clamping plates can be flexibly opened and closed. The shape of the clamping plate 2 is specially designed to fit the human body measurement part, so as to ensure that it can be closely and comfortably attached to the skin during measurement, reducing measurement errors. The clamping plate 2 is fixedly provided with an optical sensor 8 inside, which detects the absorption and reflection of light of a certain wavelength in human tissues by emitting and receiving the light, thereby accurately calculating physiological parameters such as blood oxygen saturation.

[0041] The clamping plate 2 is also provided with an adaptive mechanism, which can automatically adjust the fitting degree of the clamping plate 2 according to the shape and pressure changes of different parts of the human body, further improving the accuracy and comfort of measurement. The connector 9 and the cable 10 connect the sensor with the display 11, and the display 11 is used for real-time display of measurement results. The display is fixed on the human body by the connecting frame 12, which ensures that it does not shift during use.

[0042] The core of the adaptive mechanism is the column 3 and the sliding rod 5, which slides in the column 3, cooperates with the spring 6 to realize automatic adjustment of the fitting degree of the clamping plate 2, and ensures good contact between the sensor 8 and the human tissues. The rubber plate 7 is used as a component that directly contacts the skin, which has high elasticity and biocompatibility, and is designed as a micro-arc shape to adapt to the human body contour, ensuring good fitting degree. The pressing plate 19 is convenient for user operation, which opens the clamping plate 2 by pressing the pressing plate, which is convenient for placing the probe. After releasing, the clamping plate 2 returns to the closed state under the action of the spring 6, and the measurement begins.

[0043] By pulling the clamping rod 17, the clamping rod 17 is separated from the outside of the extension belt 18 under the action of the clamping rod 17, then by pulling the extension belt 18, the extension belt 18 can adjust the belt 13, under the action of the extension belt 18, the belt 13 is adjusted to the appropriate position, by loosening the rotating frame 16, the clamping rod 17 can be clamped with the extension belt 18, and then the adjustment of the belt 13 can be realized, the overall design ensures the convenience, comfort and accuracy of the device.

[0044] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. A blood oxygen probe structure comprising a connecting shaft (1), characterized in that: The connecting shaft (1) is externally connected with a plurality of clamping plates (2), the inside of the clamping plate (2) is fixedly connected with a plurality of sensors (8), the inside of the clamping plate (2) is provided with a plurality of adaptive mechanisms, the outside of the clamping plate (2) is fixedly connected with a connector (9), the outside of the connector (9) is electrically connected with a cable (10), the other end of the cable (10) is fixedly connected with a display (11), and the bottom of the display (11) is provided with an adjusting mechanism. The adaptive mechanism comprises a column body (3), the inside of the column body (3) is provided with a limiting assembly, the inside of the column body (3) is slidably connected with a sliding rod (5), the outside of the sliding rod (5) is sleeved with a spring (6), the outside of the sliding rod (5) is fixedly connected with a rubber plate (7), and the outside of the column body (3) is fixedly connected outside the clamping plate (2).

2. The blood oxygen probe structure of claim 1, wherein: The limiting assembly comprises a limiting plate (4), the outside of the limiting plate (4) is slidably connected in the inside of the column body (3), and the outside of the sliding rod (5) is fixedly connected to the outside of the limiting plate (4).

3. The blood oxygen probe structure of claim 2, wherein: The adjusting mechanism comprises a plurality of connecting frames (12), the outside of the connecting frame (12) is fixedly connected with a belt (13), the outside of the belt (13) is fixedly connected with a fixing frame (14), the outside of the fixing frame (14) is fixedly connected with a connecting shaft (15), the outside of the connecting shaft (15) is rotatably connected with a rotating frame (16), the outside of the rotating frame (16) is fixedly connected with a clamping rod (17), the outside of the belt (13) is slidably connected with an extension belt (18), and the outside of the connecting frame (12) is fixedly connected outside the display (11).

4. The blood oxygen probe structure of claim 3, wherein: The outside of the extension belt (18) is slidably connected outside the rotating frame (16), and the outside of the rotating frame (16) is rotatably connected inside the fixing frame (14).

5. The blood oxygen probe structure of claim 4, wherein: The outside of the clamping rod (17) is fixedly connected outside the belt (13), and the outside of the clamping rod (17) is fixedly connected outside the extension belt (18).

6. The blood oxygen probe structure of claim 1, wherein: The outside of the two rubber plates (7) is in contact, and the outside of the sensor (8) is fixedly connected outside the rubber plate (7).

7. The blood oxygen probe structure of claim 1, wherein: One end of the spring (6) is fixedly connected outside the rubber plate (7), and the other end of the spring (6) is fixedly connected outside the column body (3).

8. The blood oxygen probe structure of claim 1, wherein: The outside of the clamping plate (2) is fixedly connected with a pressing plate (19), and the outside of the pressing plate (19) is rotatably connected outside the connecting shaft (1).