A child resistant, non-falling, transdermal, finger pulse oximetry monitoring probe
By using elastic and breathable materials and a robust structure for the finger sleeve, extension, and wrist fasteners, the problems of probe detachment and pressure sores caused by differences in the dimensions of children's fingers are solved, achieving stability and comfort for children's monitoring.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHONGNAN HOSPITAL OF WUHAN UNIV
- Filing Date
- 2025-02-28
- Publication Date
- 2026-07-24
AI Technical Summary
Existing finger pulse oxygenation monitoring probes cannot adapt to the differences in finger dimensions among children aged 1-6 years, resulting in insecure fixation, easy detachment, affecting monitoring results, and potentially causing pressure sores.
The finger sleeve, made of elastic and breathable material, is combined with an extension and wrist fastener. The connecting wire is secured by a window and a fastener, ensuring that the probe fits the finger stably, preventing pressure sores and improving breathability.
It achieves stable fixation during the monitoring process of children aged 1-6 years, avoids pressure sores, and ensures the accuracy and comfort of monitoring data.
Smart Images
Figure CN224540219U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical equipment technology, and in particular to a transcutaneous finger pulse oxygen monitoring probe suitable for children to prevent detachment. Background Technology
[0002] A pulse oximeter is a highly effective, non-invasive, continuous transcutaneous instrument for measuring pulse oximetry (SpO2). It uses two different wavelengths of light to measure the concentration of reduced and oxyhemoglobin in arterial blood, and displays the pulse and oxygen saturation values after microcomputer processing. It is widely used in clinical anesthesia and ICUs. In pediatrics, pulse oximetry monitoring can dynamically reflect the perfusion of the child's tissue microcirculation, facilitating timely identification of the child's critical condition by medical staff and providing a reliable basis for timely clinical diagnosis and treatment.
[0003] The probes for peripheral pulse oximetry in young children include wristband, finger clip, and ear clip types. Wristband probes are only suitable for children under 1 year old with normal weight, while finger clip probes are suitable for school-aged children (6 years and older). For children aged 1-6 years who are malnourished, of normal weight, overweight, or obese, there are significant differences in wrist and finger dimensions, and conventional wristband and finger clip probes cannot meet the needs of this group. Clinically, because the fingers of 1-6 year old patients are too short and small, the finger clips of existing finger clip probes are too large, making them unsuitable for these children. As for ear clip probes, children often pull off the ear clips themselves, rendering them unusable. Wristband probes are more widely used, but currently, the wristbands are too thin and insufficient in length. When nurses secure the wristband to the infant's wrist or foot, it is not long enough to pass through the locking buckle, resulting in an insecure or even non-secure fit, or even breakage due to excessive force, causing equipment damage. Some departments use elastic bandages, socks with cut edges, or adhesive tape to secure wristbands. However, elastic bandages are too elastic, and children aged 1-6 have delicate skin. If they are not loosened every 1-2 hours, it can easily lead to pressure marks or even pressure sores on the child's skin. Furthermore, due to the difficulty of monitoring limb injuries or interference from factors such as restlessness, struggling, crying, and uncooperativeness during anesthesia recovery, probes may fall off, readings may be unavailable, or continuous dynamic monitoring may not be possible, affecting the monitoring results.
[0004] In view of this, it is necessary to design a child-friendly, non-detachable transcutaneous finger pulse oximetry probe to solve the above problems. Utility Model Content
[0005] The purpose of this invention is to provide a breathable, non-dandruff transcutaneous pulse oximetry probe suitable for children aged 1-6 years that can fully meet the monitoring needs of malnourished, normal, overweight, and obese children, avoid pressure sores during monitoring, and ensure fixation to obtain accurate monitoring data.
[0006] To achieve the above objectives, this utility model provides the following technical solution: A child-friendly, anti-drop transcutaneous finger pulse oximetry probe, comprising: The finger sleeve, made of elastic and breathable material, is provided with a window on the back of the finger corresponding to the finger ring side; A sensor is installed inside the finger sleeve at the position corresponding to the nail bed, and the sensor is connected to a connecting cable that extends through a window to the outside of the finger sleeve and is connected to a monitor. A wrist fastener includes a circumferential elastic band and an adjustable wrist circumference fastening structure connected to the elastic band; the wrist fastener is connected to a finger sleeve via an extension located on the back of the hand, the extension having an elastic zone that allows the extension to extend along the finger-to-wrist direction. Fasteners, a plurality of fasteners are provided on the extension and the finger sleeve to secure the connecting line.
[0007] As a further improvement of this utility model, the material of the finger sleeve is spandex or a blend of polyester fiber and spandex.
[0008] As a further improvement of this utility model, the window is located on the nail bed near the wrist.
[0009] As a further improvement of this utility model, the distance between the window and the nail bed on the side near the wrist is 0.5-1.0 cm.
[0010] As a further improvement of this utility model, the material of the elastic zone is spandex or a blend of polyester fiber and spandex.
[0011] As a further improvement of this utility model, the extension portion extends to the proximal phalanx of the finger near the end of the finger sleeve portion.
[0012] As a further improvement of this utility model, the size of the extension portion located on the metacarpal bone gradually increases along the direction from the fingers to the wrist.
[0013] As a further improvement of this utility model, at least three fasteners are provided along the finger-to-wrist direction.
[0014] As a further improvement of this utility model, the fastening structure and the elastic band are arranged sequentially along the direction from the fingers to the wrist, and the fastening structure is connected to the extension.
[0015] As a further improvement of this utility model, the fastening structure is a hook and loop fastener structure.
[0016] The beneficial effects of this utility model are: 1. This utility model uses an elastic and breathable material to make the finger sleeve part, so that it can be used for children with large variations in finger size. Furthermore, the elastic area on the extension part and the wristband fastener make the monitoring probe suitable for children aged 1-6 years who are malnourished, normal, overweight, or obese. While ensuring comfort, the monitoring probe can maintain a relatively stable state throughout the monitoring process, ensuring the reliability of the monitoring data.
[0017] 2. This utility model, by setting a window on the back of the finger corresponding to the finger sleeve, allows the connecting wire to extend to the outside of the finger sleeve through the window. The connecting wire is then fixed to the back of the hand using a fastener, preventing pressure sores on the child's hand caused by the connecting wire being buried inside the finger sleeve and its extension. Furthermore, fixing the connecting wire to the back of the hand prevents other fingers from touching the connecting wire and causing the probe to move, thus affecting the accuracy of the monitoring. On the other hand, because children have a faster metabolism, their fingers may sweat easily when the finger sleeve is on, even at normal temperatures. The window effectively increases the breathability of the child's finger area during monitoring, improving the comfort of the child's fingers during the monitoring process. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the overall structure of the child-friendly, anti-fall-off transcutaneous finger pulse oxygen monitoring probe of this utility model.
[0019] Figure 2 This is a diagram illustrating the wearing of the finger sleeve.
[0020] Figure 3 This is a structural schematic diagram of the fastening component.
[0021] Figure Labels 10. Finger sleeve; 11. Window; 20. Extension; 21. Elastic zone; 31. Elastic band; 32. Fastening structure; 40. Fastener; 51. Sensor; 52. Connecting wire. Detailed Implementation
[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be described in detail below with reference to the accompanying drawings and specific embodiments.
[0023] It should also be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and / or processing steps closely related to the present invention are shown in the accompanying drawings, while other details that are not closely related to the present invention are omitted.
[0024] Additionally, it should be noted that 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 process, method, article, or apparatus.
[0025] Please see Figures 1-2 As shown, this utility model provides a transcutaneous finger pulse oximetry probe suitable for children to prevent slippage, comprising: The finger sleeve 10, made of elastic and breathable material, is provided with a window 11 on the side corresponding to the back of the finger. Sensor 51 is installed inside the finger sleeve 10 at the position corresponding to the nail bed, and a connecting line 52 connected to the monitor is connected to the sensor 51, which extends through the window 11 to the outside of the finger sleeve 10. The wrist fastener includes a circumferential elastic band 31 and a wrist-circumference adjustable fastening structure 32 connected to the elastic band 31; the wrist fastener is connected to the finger sleeve portion 10 through an extension portion 20 located on the back of the hand, and the extension portion 20 is provided with an elastic zone 21 that allows the extension portion 20 to extend along the direction from the fingers to the wrist. Fasteners 40, a plurality of fasteners 40 are provided on the extension 20 to secure the connecting line 52.
[0026] Specifically, the finger sleeve 10 is fitted onto the distal and middle phalanges of the patient's index finger so that the finger sleeve 10 can initially fix the sensor 51 onto the patient's index finger. The length of the finger sleeve 10 can be designed according to the actual situation so as to basically cover the distal phalanges and most or all of the middle phalanges of the patient's index finger.
[0027] The finger sleeve 10 is made of spandex or a blend of polyester and spandex. For example, the finger sleeve 10 is made of a blend of polyester and spandex, which gives the finger sleeve 10 a certain degree of elasticity and allows it to stretch along the finger's circumferential direction. Thus, for children aged 1-6, the finger sleeve 10 can fit snugly on the index finger of relatively young children, and can also stretch circumferentially to fit snugly on the index finger of relatively older children and overweight or obese children.
[0028] Specifically, the window 11 is located on the nail bed near the wrist, and the distance between the window 11 and the nail bed near the wrist is 0.5-1.0cm, so that the connecting line 52 can extend through the window 11 to the outside of the finger sleeve 10 after extending a short distance inside the finger sleeve 10, thus avoiding pressure sores on the child's hand caused by the connecting line 52 being buried in the finger sleeve 10 and the extension 20.
[0029] For example, the size of window 11 is (0.3-0.5) × (0.3-0.5) cm.
[0030] Specifically, the extension 20 extends to the proximal phalanx of the finger near the finger sleeve 10, and along the direction from the finger to the wrist, the size of the extension 20 in the metacarpal bone portion gradually increases, so that the extension 20 can fit and cover most of the back of the patient's hand, avoiding skin damage caused by excessive pressure on the back of the patient's hand due to the small width of the extension 20.
[0031] Specifically, the elastic zone 21 is positioned approximately level with the web of the hand, and the material of the elastic zone 21 is spandex or a blend of polyester and spandex. For example, the material of the elastic zone 21 is a blend of polyester and spandex. By providing the elastic zone 21, the extension 20 can be extended accordingly for pediatric patients with varying hand sizes and index finger lengths, thus improving the applicability of the monitoring probe.
[0032] Specifically, at least three fasteners 40 are provided along the finger-to-wrist direction. In this example, three fasteners 40 are provided, located at the middle phalanx of the finger sleeve 10, the middle of the back of the hand of the extension 20, and near the wrist of the extension 20, respectively. The three fasteners 40 allow the connecting wire 52 to maintain a relatively stable state with the patient's hand after passing through the window 11 to the outside of the finger sleeve 10. At the same time, by fixing the connecting wire 52 to the back of the hand, it can be prevented that other fingers of the child will touch the connecting wire 52 and cause the probe to move, thus affecting the accuracy of monitoring.
[0033] For example, such as Figure 3 As shown, the fastener 40 is a silicone slot. The silicone slot has a round hole with a diameter slightly larger than that of the connecting wire 52. The silicone slot also has a notch with a diameter smaller than that of the connecting wire 52 on the side away from the extension 20, so that the connecting wire 52 can be inserted into the round hole through the notch, and then the silicone slot can be used to fix the connecting wire 52.
[0034] Specifically, the fastening structure 32 and the elastic band 31 are arranged sequentially from the finger to the wrist, with the fastening structure 32 connected to the extension 20 and the elastic band 31 connected to the side of the fastening structure 32 away from the extension 20. By setting the elastic band 31, the end of the extension 20 near the wrist can be initially fixed to the patient's wrist to prevent the extension 20 from slipping off. Further adjustment of the fastening structure 32 according to the dimensions of the patient's wrist can further fix the end of the extension 20 near the wrist. In addition, by using the finger sleeve 10, the extension 20 and the wrist fastener, the sensor 51 can be prevented from falling off during the monitoring process. This ensures that the sensor 51 remains attached and fixed to the patient's index finger throughout the entire monitoring process. This fully meets the monitoring needs of malnourished, normal, overweight and obese children aged 1-6 years, while avoiding pressure sores during the monitoring process and ensuring the accuracy of the monitoring data.
[0035] Specifically, the portion outside the elastic zone 21 of the extension 20 and the elastic band 31 are all made of skin-friendly and breathable material, which enables the monitoring probe to have good breathability. In addition, the presence of the window can also effectively improve the breathability of the child's finger area during monitoring and improve the comfort of the child's finger during monitoring.
[0036] For example, the fastening structure 32 is a Velcro adhesive structure arranged circumferentially around the wrist.
[0037] Specifically, the finger sleeve 10 of the monitoring probe being worn on the index finger is only an example. The design of the finger sleeve 10 and the extension 20 can be adjusted according to the actual situation so that the finger sleeve 10 is worn on the middle finger or the ring finger.
[0038] The above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model.
Claims
1. A transcutaneous finger pulse oximetry probe suitable for children to prevent slippage, characterized in that, include: The finger sleeve, made of elastic and breathable material, is provided with a window on the back of the finger corresponding to the finger ring side; A sensor is installed inside the finger sleeve at the position corresponding to the nail bed, and the sensor is connected to a connecting cable that extends through a window to the outside of the finger sleeve and is connected to a monitor. A wrist fastener includes a circumferential elastic band and an adjustable wrist circumference fastening structure connected to the elastic band; the wrist fastener is connected to a finger sleeve via an extension located on the back of the hand, the extension having an elastic zone that allows the extension to extend along the finger-to-wrist direction. Fasteners, a plurality of fasteners are provided on the extension and the finger sleeve to secure the connecting line.
2. The transcutaneous finger pulse oximetry probe suitable for children to prevent loss of skin, as described in claim 1, is characterized in that: The material of the finger sleeve is spandex or a blend of polyester fiber and spandex.
3. The transcutaneous finger pulse oximetry probe suitable for children to prevent slippage, as described in claim 1, is characterized in that: The window is located on the nail bed near the wrist.
4. The transcutaneous finger pulse oximetry probe suitable for children to prevent slippage, as described in claim 3, is characterized in that: The distance between the window and the nail bed on the wrist side is 0.5-1.0 cm.
5. The transcutaneous finger pulse oximetry probe suitable for children to prevent slippage, as described in claim 1, is characterized in that: The elastic zone is made of spandex or a blend of polyester and spandex.
6. The transcutaneous finger pulse oximetry probe suitable for children to prevent slippage, as described in claim 1, is characterized in that: The extension extends to the proximal phalanx of the finger near the end of the finger sleeve.
7. The transcutaneous finger pulse oximetry probe suitable for children to prevent slippage, as described in claim 1, is characterized in that: Along the finger-to-wrist direction, the size of the extension located on the metacarpal bone gradually increases.
8. The transcutaneous finger pulse oximetry probe suitable for children to prevent slippage, as described in claim 1, is characterized in that: At least three fasteners are provided along the finger-to-wrist direction.
9. The transcutaneous finger pulse oximetry probe suitable for children to prevent slippage, as described in claim 1, is characterized in that: The fastening structure and elastic band are arranged sequentially from the fingers to the wrist, and the fastening structure is connected to the extension.
10. The transcutaneous finger pulse oximetry probe suitable for children to prevent slippage, as described in claim 1, is characterized in that: The fastening structure is a hook and loop fastener.