Fingerstall and pulse acquisition equipment thereof

By designing an adjustable finger cot connecting strap, the problem of the finger cot not being securely worn or pressing on the fingers during MRI scans is solved, achieving stable positioning and high-quality pulse signal acquisition, suitable for patients of different ages and body types.

CN224269293UActive Publication Date: 2026-05-26SHANGHAI UNITED IMAGING HEALTHCARE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI UNITED IMAGING HEALTHCARE
Filing Date
2025-05-20
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

The existing finger sleeves are not adjustable in size and shape, which makes them unstable or compress the fingers in magnetic resonance imaging (MRI) scans, affecting the quality of pulse signal acquisition, and posing a safety risk, especially in infant and toddler scans.

Method used

A finger sleeve comprising a main body and a connecting strap is designed. The connecting strap is detachably connected to both ends of the main body. By pulling the connecting strap, the positions of the first and second connecting parts can be adjusted to fit the patient's finger, ensuring stable fixation of the fiber optic probe to the finger and avoiding problems of excessive or insufficient gap.

Benefits of technology

It achieves stable positioning of the finger cot and the patient's finger, optimizes the accuracy of pulse acquisition results, is suitable for patients of different ages and body types, and is applicable to MRI scenarios, avoiding problems such as insecure wearing or finger compression.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of medical equipment, in particular to a fingerstall and pulse acquisition equipment thereof. The fingerstall comprises a main body and at least one connecting belt, the main body comprises a first connecting part, a second connecting part and an accommodating part, the first connecting part and the second connecting part are respectively used for connecting the two optical fiber probes, the accommodating part is positioned between the first connecting part and the second connecting part and is used for accommodating fingers, and the connecting belts are arranged in the accommodating part. One end of the connecting band is fixedly connected with one of the first connecting part and the second connecting part, and the other end of the connecting band is detachably connected with the other one of the first connecting part and the second connecting part. The finger stall has the advantages that the finger stall flexibly limits the first connecting part and the second connecting part through the connecting belt, so that the finger stall can be suitable for fingers of patients of different age groups and body types, is matched with an optical fiber probe and can be applied to a magnetic resonance scene.
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Description

Technical Field

[0001] This utility model relates to the field of medical equipment technology, and in particular to a finger cot and its pulse acquisition device. Background Technology

[0002] In certain MRI scanning scenarios (cardiac, cerebrospinal fluid, blood flow velocity, etc.), it is often necessary to acquire fingertip pulse signals as gating trigger signals to ensure image quality. However, common finger pulse signal acquisition products on the market typically use photoelectric components injection molded into a soft rubber substrate. In MRI scanning scenarios, this can lead to problems such as heat generation of the metal components causing burns to the patient and interference with imaging.

[0003] To address this, some fingertip pulse monitoring devices use fiber optic probes to collect the patient's pulse. The fiber optic probes are placed on either side of the fingernail to emit / receive infrared signals, and the pulse is detected by detecting fluctuations in the infrared signals received. To ensure the fiber optic probe and the finger are in the ideal relative position, a soft rubber (silicone, etc.) finger sleeve is typically used. The patient wears the finger sleeve on one finger, and the fiber optic probe is connected to the finger sleeve / clamp for fixation.

[0004] However, the size of commonly used finger cots is usually not adjustable. If the finger cot is too large for the patient's finger, it will not fit securely and the gap between the fiber optic probe and the finger will be too large, affecting the acquisition of finger pulse signals. If the finger cot is too small for the patient's finger, the finger cot will compress the finger, affecting blood flow, which will also affect the signal acquisition quality. In addition, there are certain safety risks (bruising, edema, etc.) in the scanning scenario of infants and young children. Utility Model Content

[0005] To address the aforementioned technical problems, this utility model provides a finger sleeve.

[0006] A finger sleeve includes: a main body, the main body including a first connecting portion, a second connecting portion and a receiving portion, the receiving portion being located between the first connecting portion and the second connecting portion; and a connecting strap, configured to be at least one, one end of the connecting strap being fixedly connected to one of the first connecting portion and the second connecting portion, and the other end of the connecting strap being detachably connected to the other of the first connecting portion and the second connecting portion.

[0007] With this configuration, one end of the connecting strap is fixedly connected to one of the first and second connecting parts, while the other end is detachably connected to the other of the first and second connecting parts. Therefore, through the connection at both ends, the first and second connecting parts can be pulled towards the receiving part, thereby ensuring that the first and second connecting parts fit the patient's finger better and that the relative positions of the first and second connecting parts and the patient's finger are fixed. This prevents the finger sleeve from being too large (the receiving part has too much space) and thus makes the positioning of the finger sleeve and the patient's finger more stable, thereby optimizing the accuracy of the pulse acquisition results.

[0008] In one embodiment, the connecting strap is configured as a first connecting strap and a second connecting strap, which are respectively movably connected to the two sides of the second connecting part and can be connected to the first connecting part to drive the first connecting part toward the second connecting part.

[0009] In one embodiment, the connecting strap is configured as a first connecting strap and a second connecting strap, which are respectively connected to both sides in the thickness direction of the main body. The first connecting strap is connected to the second connecting part, and the second connecting strap is connected to the first connecting part. The first connecting strap can be connected to the first connecting part and move the first connecting part toward the second connecting part, and the second connecting strap can be connected to the second connecting part and move the second connecting part toward the first connecting part.

[0010] In one embodiment, both the first connecting strip and the second connecting strip are provided with a first adhesive on the side facing the main body, and a second adhesive is provided on the main body, wherein the first adhesive and the second adhesive are bonded together.

[0011] In one embodiment, the first adhesive and the second adhesive are configured as Velcro.

[0012] In one embodiment, the connecting strip is provided with an adapter portion, and along the width direction of the connecting strip, the adapter portion is provided with a deformation hole.

[0013] In one embodiment, when the connecting strip is connected to the main body, the adapter is located on the side of the receiving portion, and the side of the adapter facing the receiving portion is provided with an arc-shaped groove.

[0014] In one embodiment, the receiving portion includes a redundant segment, one end of which is connected to the first connecting portion and the other end of which is connected to the second connecting portion; the second connecting portion has an abutment protrusion on one side forming the receiving portion, and the side of the abutment protrusion away from the redundant segment is arc-shaped and can be used to abut against a finger.

[0015] This utility model also provides a pulse acquisition device, including the finger sleeve as described above, characterized in that the main body is provided with an installation position, and the installation position is provided with a pulse acquisition device.

[0016] In one embodiment, the mounting position includes a groove and a through hole, the groove having a limiting groove that engages with the pulse collector.

[0017] In one embodiment, the pulse acquisition device includes at least an optical fiber probe.

[0018] Compared to existing technologies, the finger sleeve provided by this utility model flexibly limits the first and second connecting parts through the connecting strap, so that the finger sleeve can be used for the fingers of patients of different ages and body types, and is compatible with fiber optic probes, and can be applied in magnetic resonance imaging scenarios. Attached Figure Description

[0019] Figure 1 A schematic diagram of the structure of one embodiment of the finger sleeve provided by this utility model;

[0020] Figure 2 A schematic diagram of the structure of another embodiment of the finger sleeve provided by this utility model from another angle;

[0021] Figure 3 An exploded view of a portion of the structure of one embodiment of the finger sleeve provided by this utility model;

[0022] Figure 4 A cross-sectional view of one embodiment of the finger sleeve provided by this utility model;

[0023] Figure 5 A perspective view of one embodiment of the finger sleeve provided by this utility model;

[0024] Figure 6 A schematic diagram illustrating the application scenarios of the finger sleeve provided by this utility model.

[0025] The symbols in the diagram represent the following meanings:

[0026] 100. Finger sleeve; 10. Main body; 11. First connecting part; 111. First groove; 112. First through hole; 113. Limiting groove; 12. Second connecting part; 121. Second groove; 122. Second through hole; 13. Accommodating part; 131. Redundant section; 132. Accommodating space; 133. Abutting protrusion; 21. First connecting strip; 211. First adhesive; 22. Second connecting strip; 221. Second adhesive; 23. Adaptor part; 231. Deformation hole; 232. Arc groove; 24. Protrusion; 200. Fiber optic probe; 201. First fiber optic probe; 202. Second fiber optic probe; 203. Limiting protrusion. Detailed Implementation

[0027] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0028] It should be noted that when a mechanism is referred to as being "fixed to" or "set on" another mechanism, it can be directly on the other mechanism or there may be an intervening mechanism. When a mechanism is considered to be "connected to" another mechanism, it can be directly connected to the other mechanism or there may be an intervening mechanism. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application's specification are for illustrative purposes only and do not represent the only possible implementation.

[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0030] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact through an intermediate medium. Furthermore, "above," "over," and "on top" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0031] Unless otherwise defined, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and / or" as used in this application includes any and all combinations of one or more of the associated listed items.

[0032] Please see Figures 1-6 This utility model provides a finger sleeve 100, which is preferably used in magnetic resonance scanning scenarios. It can collect pulses by connecting with a fiber optic probe 200 and is suitable for magnetic resonance scanning scenarios, thus avoiding overheating of electronic components due to magnetic resonance scanning.

[0033] The finger sleeve 100 includes a main body 10 and a connecting strap. The main body 10 includes a first connecting part 11, a second connecting part 12 and a receiving part 13. The receiving part 13 is located between the first connecting part 11 and the second connecting part 12 and is used to receive a finger. The connecting strap is provided as at least one. One end of the connecting strap is fixedly connected to one of the first connecting part 11 and the second connecting part 12, and the other end of the connecting strap is detachably connected to the other of the first connecting part 11 and the second connecting part 12. Thus, one end of the connecting strap is fixedly connected to one of the first connecting part 11 and the second connecting part 12, and the other end is detachably connected to the other of the first connecting part 11 and the second connecting part 12. Therefore, through the connection at both ends, the first connecting part 11 and the second connecting part 12 can be pulled toward the receiving part 13, thereby ensuring that the first connecting part 11 and the second connecting part 12 fit the patient's finger better, ensuring that the relative positions of the first connecting part 11, the second connecting part 12 and the patient's finger are fixed, preventing the finger sleeve 100 from being too large (the space in the receiving part 13 is too large) from being worn loosely, thereby making the limit of the finger sleeve 100 and the patient's finger more stable, thereby optimizing the accuracy of the pulse acquisition results.

[0034] When the finger sleeve 100 is used in a magnetic resonance imaging (MRI) scan, its first connecting part 11 and second connecting part 12 are used to connect two fiber optic probes 200, respectively. The first connecting part 11 and the second connecting part 12 are used to fix the two fiber optic probes 200, thus fixing their relative positions and ensuring stable transmission and reception of infrared light from the fiber optic probes 200. The receiving part 13 is located between the first connecting part 11 and the second connecting part 12. Therefore, the infrared light emitted by one of the first connecting part 11 and the second connecting part 12 will inevitably pass through the receiving part 13 (and the patient's finger located in the receiving part 13), and the other of the first connecting part 11 and the second connecting part 12 will receive the infrared light to complete pulse acquisition. The connecting strap can ensure that the relative positions of the first connecting part 11, the second connecting part 12, and the patient's finger are fixed, preventing the finger sleeve 100 from being too large (the space of the accommodating part 13 from being too large) from being not worn securely, and preventing the gap between the fiber optic probe 200 and the patient's finger from being too large, which would affect signal acquisition. It can also prevent the finger sleeve 100 from being too small and compressing the finger, affecting blood flow, or even causing safety risks such as bruising and edema.

[0035] In other embodiments, the connecting strap and the main body 10 can also be connected by a buckle. A buckle is provided on the connecting strap, and the buckle is detachably connected to one of the multiple snap-fit ​​slots opened on the first connecting part 11 and / or the second connecting part 12. It is only necessary to achieve adjustable multi-level connection, and is not limited to the above-described Velcro embodiment.

[0036] Preferably, the connecting strip includes a stretchable elastic structure (not shown in the figure), which generates a lateral wrapping force and a longitudinal rebound force by stretching and wrapping the main body 10, thereby making the first connecting part 11 and the second connecting part 12 more stable in limiting the finger. The deformation of the elastic structure dynamically adapts to different finger sizes as the wrapping length changes.

[0037] Please see Figures 1-4 as well as Figure 6 In one embodiment, the connecting straps are configured as a first connecting strap 21 and a second connecting strap 22. The first connecting strap 21 and the second connecting strap 22 are respectively movably connected to the two sides of the second connecting part 12 and fit towards the first connecting part 11, connecting with the first connecting part 11, and squeezing and driving the first connecting part 11 towards the second connecting part 12.

[0038] It should be explained that the movable connection means that the first connecting strip 21 and the second connecting strip 22 can rotate flexibly relative to the second connecting part 12. In this embodiment, both the first connecting strip 21 and the second connecting strip 22 and the main body 10 are made of soft material, so the first connecting strip 21 and the second connecting strip 22 can rotate and deform flexibly relative to the main body 10.

[0039] The connection between the first connecting strap 21 and the second connecting strap 22 on both sides and the first connecting part 11 is more stable, preventing the limiting force from being biased, and making the connection between the finger sleeve 100 and the patient's finger more secure.

[0040] Understandably, in other embodiments, the first connecting strip 21 and the second connecting strip 22 may also be movably connected to the first connecting portion 11 and fit toward the second connecting portion 12, so as to squeeze and drive the second connecting portion 12 toward the first connecting portion 11.

[0041] Furthermore, the first connecting strip 21 and the second connecting strip 22 are both provided with a first adhesive 211 on the side facing the first connecting part 11, and a second adhesive 221 is provided on the side of the first connecting part 11 away from the second connecting part 12. The first adhesive 211 and the second adhesive 221 are bonded together.

[0042] Thus, the connection is achieved through the first adhesive member 211 and the second adhesive member 221, making it easy to replace when the first adhesive member 211 and the second adhesive member 221 lose their connection effect due to long-term use. It is understood that the first adhesive member 211 can be provided not only on the side of the first connecting strip 21 and the second connecting strip 22 facing the first connecting portion 11, but also on both sides of the first connecting strip 21 and the second connecting strip 22, allowing the first connecting strip 21 and the second connecting strip 22 to overlap and adhere together.

[0043] Please see Figure 5 In another embodiment, the connecting straps are also configured as two straps, a first connecting strap 21 and a second connecting strap 22. The first connecting strap 21 and the second connecting strap 22 are located on two sides of the thickness direction of the main body 10, respectively. The first connecting strap 21 is connected to the second connecting part 12, and the second connecting strap 22 is connected to the first connecting part 11. The first connecting strap 21 can be attached to and connected to the first connecting part 11, and pushes the first connecting part 11 toward the second connecting part 12. The second connecting strap 22 can be attached to and connected to the second connecting part 12, and pushes the second connecting part 12 toward the first connecting part 11.

[0044] It needs to be explained that the thickness direction of the main body 10 refers to... Figure 5 The horizontal direction of the accommodating portion 13 is along the opening direction on both sides. In other words, the first connecting strip 21 and the second connecting strip 22 are respectively disposed on the first connecting portion 11 and the second connecting portion 12, and are arranged in a nearly centrally symmetrical manner, so that they can be respectively adhered to the first connecting portion 11 and the second connecting portion 12 to form a more stable connection.

[0045] Based on this, the first connecting strip 21 is provided with a first adhesive 211 on the side facing the first connecting part 11, the second connecting strip 22 is provided with a first adhesive 211 on the side facing the second connecting part 12, and the two ends of the first connecting part 11 and the second connecting part 12 that are far apart from each other are provided with second adhesives 221, and the first adhesive 211 and the second adhesive 221 are bonded together.

[0046] The first adhesive element 211 and the second adhesive element 221 are configured as hook and loop fasteners for quick connection and disconnection. Exemplarily, the first adhesive element 211 has a hook and loop surface, and the second adhesive element 221 has a hook and loop surface. The hook and loop fasteners are attached to the finger sleeve 100 via high-frequency welding / hot pressing or other reliable processes.

[0047] Furthermore, the connecting band is provided with an adapter 23, and along the width direction of the connecting band, the adapter 23 has a deformation hole 231. Thus, when the connecting band is stretched, the deformation hole 231 reduces the structural strength of the adapter 23, making the adapter 23 more easily deformable, thereby increasing the deformation tolerance of the connecting band in its length direction, that is, it can be stretched longer, thus adapting to a wider range of patient finger sizes.

[0048] Preferably, the deformation hole 231 is a circular hole that extends through the adapter portion 23 along the width direction of the connecting strip to facilitate processing and improve deformation capability. In other embodiments, the deformation hole 231 may also be configured not to extend through the adapter portion 23, but to extend inward from both ends of the adapter portion 23 in the width direction, as long as it can improve the deformation capability of the connecting strip.

[0049] Furthermore, when the connecting strap is connected to the main body 10, the adapter 23 is located on the side of the receiving portion 13, and the side of the adapter 23 facing the receiving portion 13 has an arc-shaped groove 232. Thus, the arc-shaped groove 232 structure is more compatible with the shape of the patient's finger, thereby improving wearing comfort and the stability of the limiting position. When the patient's finger is small, the arc-shaped groove 232 can also fit and conform to the outer contour of the patient's finger, thereby improving the stability of the limiting position of the patient's finger by the adapter 23. A protrusion 24 is constructed at the end of the connecting strap away from the main body 10. Along the thickness direction of the connecting strap, the thickness of the protrusion 24 is greater than the thickness of the connecting strap. The greater thickness of the protrusion 24 facilitates operation, and the tightening and connection between the connecting strap and the main body 10 can be achieved by pulling the protrusion 24.

[0050] The accommodating portion 13 includes a redundant segment 131, one end of which is connected to the first connecting portion 11 and the other end of which is connected to the second connecting portion 12. The redundant segment 131, the side of the first connecting portion 11 facing the second connecting portion 12, and the side of the second connecting portion 12 facing the first connecting portion 11 cooperate to form an accommodating space 132 for accommodating a finger. In this way, the upper, lower, and front sides of the accommodating space 132 are all structurally limited, making it easier to place the finger in a preset position.

[0051] Specifically, the redundant section 131 protrudes in a direction away from the accommodating space 132 and is bent to form an arc-shaped structure. When adapted to a larger adult finger, the arc-shaped redundant part can be straightened, and the fiber optic probes 200 can remain relatively parallel, preventing a situation where the angle between the light-incident / light-out surfaces of the two fiber optic probes 200 is too large to measure.

[0052] Furthermore, the second connecting portion 12 has an abutment protrusion 133 on one side of the accommodating space 132. The side of the abutment protrusion 133 away from the redundant segment 131 is arc-shaped and can be used to abut against a finger. After the patient's finger abuts against the abutment protrusion 133, it cannot be inserted further, thus remaining in a preset position and preventing the finger from being inserted into the arc-shaped space formed by the redundant segment 131. When the redundant segment 131 is straightened, the position of the finger is forced to change, affecting pulse sampling.

[0053] To facilitate connection with the two fiber optic probes 200, a first groove 111 is provided on the first connecting part 11, and a second groove 121 is provided on the second connecting part 12. The first groove 111 and the second groove 121 are respectively used to connect with the two fiber optic probes 200 to improve the connection strength with the fiber optic probes 200 and facilitate the assembly of the fiber optic probes 200 into the main body 10.

[0054] This utility model also provides a pulse acquisition device, including the finger sleeve 100 as described above. The main body 10 is provided with an installation position, and the installation position is provided with a pulse acquisition device to collect the pulse of a patient's finger placed in the finger sleeve 100.

[0055] The mounting position includes a groove and a perforation. The groove is provided with a limiting groove 113, which is engaged with the pulse collector.

[0056] Furthermore, the finger sleeve 100 also includes a first fiber optic probe 201 and a second fiber optic probe 202. The first fiber optic probe 201 can emit detection light towards the second fiber optic probe 202, and the second fiber optic probe 202 can sense the detection light.

[0057] In this embodiment, the groove includes a first groove 111 and a second groove 121, and the perforation includes a first perforation 112 and a second perforation 122. A first perforation 112 communicating with the receiving portion 13 is formed on the bottom wall of the first groove 111 near the second groove 121. The first fiber optic probe 201 communicates with the receiving portion 13 through the first perforation 112. A second perforation 122 communicating with the receiving portion 13 is formed on the bottom wall of the second groove 121 near the first groove 111. The second fiber optic probe 202 communicates with the receiving portion 13 through the second perforation 122. Thus, the first fiber optic probe 201 emits infrared light towards the receiving portion 13 through the first perforation 112. Since the patient's finger is confined within the receiving portion 13, the infrared light passes through the patient's finger and propagates towards the second fiber optic probe 202, which receives the infrared light through the second perforation 122.

[0058] Furthermore, the axis of the first perforation 112 is perpendicular to the axis of the first groove 111. The first fiber optic probe 201 is configured in an L-shape and is adapted to connect with the hole wall of the first perforation 112 and the groove wall of the first groove 111. The axis of the second perforation 122 is perpendicular to the axis of the second groove 121. The second fiber optic probe 202 is configured in an L-shape and is adapted to connect with the hole wall of the second perforation 122 and the groove wall of the second groove 121. Thus, the two L-shaped fiber optic probes 200 are positioned opposite each other to facilitate the detection of infrared transmission and reception. The L-shaped bending structure facilitates a locking and limiting connection with the first groove 111 and the second groove 121, thereby making the installation of the first fiber optic probe 201 and the second fiber optic probe 202 more stable.

[0059] Furthermore, limiting grooves 113 are formed on the walls of the first groove 111 and the second groove 121, and limiting protrusions 203 are formed on the first fiber optic probe 201 and the second fiber optic probe 202. The limiting protrusions 203 and the limiting grooves 113 are respectively engaged, thus the limiting protrusions 203 further improve the connection strength between the first fiber optic probe 201 and the second fiber optic probe 202 and the main body 10. Specifically, the limiting protrusions 203 are set as rectangular blocks, and the limiting grooves 113 are all set as rectangular grooves to achieve adaptation.

[0060] In summary, the finger sleeve 100 provided by this utility model has good adjustability and practicality, and can adapt to the finger pulse monitoring needs of infants (over 1 year old) to adults. At the same time, the main body 10 and the connecting strap are preferably made of cleanable and disinfectable silicone material, and a secure wearing is achieved through physical connection. Compared with disposable solutions that use foam and rely on adhesive to achieve wearing, it has high reusability and strong deformation capability.

[0061] Compared with the prior art, the finger sleeve 100 provided by this utility model flexibly limits the first connecting part 11 and the second connecting part 12 through the connecting strap, so that the finger sleeve 100 can be used for the fingers of patients of different ages and body types, and is compatible with the fiber optic probe 200, and can be applied in magnetic resonance imaging.

[0062] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0063] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A finger sleeve, characterized in that, include: The main body (10) includes a first connecting part (11), a second connecting part (12) and a receiving part (13), wherein the receiving part (13) is located between the first connecting part (11) and the second connecting part (12); A connecting strap is provided, wherein at least one end of the connecting strap is fixedly connected to one of the first connecting part (11) and the second connecting part (12), and the other end of the connecting strap is detachably connected to the other of the first connecting part (11) and the second connecting part (12).

2. The finger sleeve according to claim 1, characterized in that, The connecting strap is configured as a first connecting strap (21) and a second connecting strap (22). The first connecting strap (21) and the second connecting strap (22) are respectively movably connected to the two sides of the second connecting part (12) and can be connected to the first connecting part (11) to drive the first connecting part (11) toward the second connecting part (12).

3. The finger sleeve according to claim 1, characterized in that, The connecting strip is configured as a first connecting strip (21) and a second connecting strip (22). The first connecting strip (21) and the second connecting strip (22) are respectively connected to both sides of the body (10) in the thickness direction. The first connecting strip (21) is connected to the second connecting part (12), and the second connecting strip (22) is connected to the first connecting part (11). The first connecting strip (21) can be connected to the first connecting part (11) and drive the first connecting part (11) toward the second connecting part (12). The second connecting strip (22) can be connected to the second connecting part (12) and drive the second connecting part (12) toward the first connecting part (11).

4. The finger sleeve according to claim 2 or 3, characterized in that, The first connecting strip (21) and the second connecting strip (22) are provided with a first adhesive (211) on the side facing the main body (10), and a second adhesive (221) is provided on the main body (10). The first adhesive (211) and the second adhesive (221) are bonded together.

5. The finger sleeve according to claim 4, characterized in that, The first adhesive (211) and the second adhesive (221) are configured as Velcro.

6. The finger sleeve according to claim 2 or 3, characterized in that, The connecting strip is provided with an adapter (23), and along the width direction of the connecting strip, the adapter (23) is provided with a deformation hole (231).

7. The finger sleeve according to claim 6, characterized in that, When the connecting strip is connected to the main body (10), the adapter (23) is located on the side of the receiving part (13), and the adapter (23) has an arc groove (232) on the side facing the receiving part (13).

8. The finger sleeve according to claim 1, characterized in that, The accommodating part (13) includes a redundant section (131), one end of which is connected to the first connecting part (11) and the other end is connected to the second connecting part (12); The second connecting portion (12) has an abutting protrusion (133) on one side of the receiving portion (13). The abutting protrusion (133) is arc-shaped on the side away from the redundant segment (131) and can be used to abut with a finger.

9. A pulse acquisition device, comprising a finger sleeve as described in any one of claims 1-8, characterized in that, The main body (10) is provided with an installation position, and the installation position is provided with a pulse collector.

10. The pulse acquisition device according to claim 9, characterized in that, The mounting position includes a groove and a through hole. A limiting groove (113) is provided in the groove, and the limiting groove (113) is engaged with the pulse collector.

11. The pulse acquisition device according to claim 10, characterized in that, The pulse acquisition device includes at least an optical fiber probe.