Arm circumference measuring device

By designing an arm circumference measuring device with multiple flexible measurement segments and an adjustable structure, the problems of large errors and low efficiency in traditional measurement methods have been solved, and efficient and accurate measurement of arm circumference at multiple locations has been achieved.

CN223731397UActive Publication Date: 2025-12-30Zhongshan Boai Hospital (Zhongshan Maternal and Child Health Hospital, Zhongshan Maternal and Child Health and Family Planning Service Center, Zhongshan Women and Children's Hospital)
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Patent Information

Application Number
CN202422973301.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-03
Publication Date
2025-12-30
Estimated Expiration
2034-12-03

AI Technical Summary

Technical Problem

Traditional methods for measuring arm circumference have large errors and low efficiency, and cannot measure multiple parts at once.

Method used

An arm circumference measuring device was designed, which includes multiple flexible measuring segments and an adjustable structure. The device uses a flexible measuring ruler to surround various parts of the arm, adjusts the tightness using a Velcro structure, and fixes it with a connecting clip, so as to achieve simultaneous measurement of arm circumference at multiple parts.

Benefits of technology

It improves the efficiency of arm circumference measurement at various parts of the arm, reduces human error, and adapts to the differences in palm distance and wrist distance among different groups of people.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an arm circumference measuring device which is characterized in that a first flexible measuring scale is attached to an arm, a second flexible measuring scale surrounds an elbow olecranon, a third flexible measuring scale surrounds an upper arm, a fourth flexible measuring scale surrounds a lower arm, and a fifth flexible measuring scale surrounds a palm. The size of the arm circumference is read through the interlaced part of the two ends of each flexible measuring scale, and the arm circumference of each part of the arm can be completed at one time, so that the measuring efficiency is improved; meanwhile, the fifth flexible measuring scale is detachably connected to the lower arm measuring section, so that the position can be adjusted according to different distances between palms and wrists of different people.
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Description

Technical Field

[0001] This utility model relates to the field of medical devices, and in particular to an arm circumference measuring device. Background Technology

[0002] In the healthcare field, accurately measuring a patient's body dimensions is crucial for diagnosing and treating a variety of diseases. Arm dimensions, such as arm circumference, are important indicators for assessing nutritional status, changes in muscle mass, and edema. Traditional methods for measuring arm circumference typically rely on a tape measure or measuring tape. While these tools are simple and easy to use, individual measurement techniques vary, leading to significant measurement errors. Furthermore, measuring multiple parts of the arm individually with a single tape measure is inefficient.

[0003] This utility model is based on the above-mentioned circumstances. Utility Model Content

[0004] This invention overcomes the shortcomings of the prior art and provides an arm circumference measuring device.

[0005] This utility model is achieved through the following technical solution:

[0006] An arm circumference measuring device includes a first flexible measuring ruler, which comprises an upper arm measuring section for measuring the length of the upper arm and a lower arm measuring section for measuring the length of the lower arm. A second flexible measuring ruler for measuring the arm circumference at the elbow (eyebrow) is connected to the connection between the upper arm measuring section and the lower arm measuring section. A first adjustment structure is provided between the second and first flexible measuring rulers to adjust the tightness of the second flexible measuring ruler when it surrounds the elbow (eyebrow). A plurality of third flexible measuring rulers are connected to the upper arm measuring section and spaced apart along its length. A second adjustment structure is provided between the ruler and the upper arm measuring section to adjust the tightness of the third flexible measuring ruler when it wraps around the upper arm. Several fourth flexible measuring rulers are connected to the lower arm measuring section and are spaced apart along its length. A third adjustment structure is provided between the fourth flexible measuring rulers and the lower arm measuring section to adjust the tightness of the fourth flexible measuring rulers when they wrap around the lower arm. The upper arm measuring section has a first scale along its length, and the lower arm measuring section has a second scale along its length. The zero scale lines of the first scale and the second scale are both located at the connection between the upper arm measuring section and the lower arm measuring section.

[0007] As described above, in an arm circumference measuring device, the lower arm measuring section is connected to a fifth flexible measuring ruler for measuring the palm circumference at one end away from the upper arm measuring section. A fourth adjustment structure is provided between the fifth flexible measuring ruler and the lower arm measuring section to adjust the tightness of the fifth flexible measuring ruler when it surrounds the palm.

[0008] In the arm circumference measuring device described above, a connecting clip is provided between the fifth flexible measuring ruler and the lower arm measuring section, which allows the fifth flexible measuring ruler to be detachably connected to the lower arm measuring section.

[0009] As described above, an arm circumference measuring device includes a base plate. A first connecting frame is provided on the upper left side of the base plate, and a second connecting frame is provided on the upper right side of the base plate. A transverse channel for a fifth flexible measuring ruler to pass through and a longitudinal channel for a lower arm measuring segment to pass through are provided between the first connecting frame and the second connecting frame. The transverse channel and the longitudinal channel are connected in a conductive manner. A buckle plate is rotatably connected to the first connecting frame, which can move towards the base plate to clamp the lower arm measuring segment and the fifth flexible measuring ruler. A locking structure is provided between the buckle plate and the second connecting frame to lock the buckle plate onto the second connecting frame.

[0010] As described above, the arm circumference measuring device includes a locking structure comprising a snap-fit ​​structure connected to the buckle plate and engaging with the second connecting frame.

[0011] As described above, in an arm circumference measuring device, the bottom of the buckle plate is provided with a clamping block for pressing the lower arm measuring section and the fifth flexible measuring ruler together.

[0012] As described above, in an arm circumference measuring device, the second flexible measuring ruler is connected to the connection between the upper arm measuring section and the lower arm measuring section via a connecting clip, the third flexible measuring ruler is connected to the upper arm measuring section via a connecting clip, and the fourth flexible measuring ruler is connected to the lower arm measuring section via a connecting clip.

[0013] As described above, in an arm circumference measuring device, the first adjustment structure includes a first Velcro structure disposed on a second flexible measuring scale, the second adjustment structure includes a second Velcro structure disposed on a third flexible measuring scale, the third adjustment structure includes a third Velcro structure disposed on a fourth flexible measuring scale, and the fourth adjustment structure includes a fourth Velcro structure disposed on a fifth flexible measuring scale.

[0014] In the arm circumference measuring device described above, there are four third and four fourth flexible measuring rulers. The distance between the third flexible measuring ruler closest to the second flexible measuring ruler and the second flexible measuring ruler is 5 cm, and the distance between two adjacent third flexible measuring rulers is 5 cm. The distance between the fourth flexible measuring ruler closest to the second flexible measuring ruler and the second flexible measuring ruler is 5 cm, and the distance between two adjacent fourth flexible measuring rulers is 5 cm.

[0015] In the arm circumference measuring device described above, one end of the second, third, fourth, and fifth flexible measuring rulers is provided with a buckle.

[0016] Compared with the prior art, the present invention has the following advantages:

[0017] In this design, the first flexible measuring ruler is first attached to the arm, and the second flexible measuring ruler is wrapped around the olecranon at the elbow, the third flexible measuring ruler is wrapped around the upper arm, the fourth flexible measuring ruler is wrapped around the lower arm, and the fifth flexible measuring ruler is wrapped around the palm. The arm circumference is read through the intersection of the two ends of each flexible measuring ruler, and the arm circumference of each part of the arm can be measured in one go, thereby improving measurement efficiency. At the same time, the fifth flexible measuring ruler can be detachably connected to the lower arm measuring section, so that its position can be adjusted according to the different distances between the palm and the wrist of different people. Attached Figure Description

[0018] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings, wherein:

[0019] Figure 1 This is a schematic diagram of the structure of this utility model when unfolded. Figure 1 ;

[0020] Figure 2 This is a schematic diagram of the structure of this utility model when unfolded. Figure 2 ;

[0021] Figure 3 This is a schematic diagram of the connecting clip in this utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the connecting clamp when it clamps the flexible measuring ruler in this utility model;

[0023] Figure 5 This is a schematic diagram of the usage state of this utility model. Detailed Implementation

[0024] The present invention will be further described below with reference to the accompanying drawings:

[0025] like Figures 1 to 5An arm circumference measuring device is shown, comprising a first flexible measuring ruler 1, which includes an upper arm measuring section 11 for measuring the length of the upper arm and a lower arm measuring section 12 for measuring the length of the lower arm. A second flexible measuring ruler 2 for measuring the arm circumference at the elbow (eagle's beak) is connected at the connection between the upper arm measuring section 11 and the lower arm measuring section 12. A first adjustment structure 21 is provided between the second flexible measuring ruler 2 and the first flexible measuring ruler 1 to adjust the tightness of the second flexible measuring ruler when it surrounds the elbow (eagle's beak). A plurality of third flexible measuring rulers 3 are connected to the upper arm measuring section 11 and spaced apart along its length. The third flexible measuring rulers 3 are connected to the upper arm measuring section 11. A second adjustment structure 31 is provided between segments 11 to adjust the tightness of the third flexible measuring ruler 3 when it surrounds the upper arm. Several fourth flexible measuring rulers 4 are connected to the lower arm measuring segment 12 and are spaced apart along its length. A third adjustment structure 41 is provided between the fourth flexible measuring ruler 4 and the lower arm measuring segment 12 to adjust the tightness of the fourth flexible measuring ruler 4 when it surrounds the lower arm. The upper arm measuring segment 11 is provided with a first scale 111 along its length, and the lower arm measuring segment 12 is provided with a second scale 121 along its length. The zero scale lines of the first scale 111 and the second scale 121 are both located at the connection between the upper arm measuring segment 11 and the lower arm measuring segment 12.

[0026] In this design, the first flexible measuring ruler 1 is attached to the arm, the second flexible measuring ruler 2 is wrapped around the eagle's beak at the elbow, the third flexible measuring ruler 3 is wrapped around the upper arm, and the fourth flexible measuring ruler 4 is wrapped around the lower arm. The arm circumference is read through the intersection of the two ends of each flexible measuring ruler, and the arm circumference of each part of the arm can be measured in one go, thereby improving the measurement efficiency.

[0027] In some embodiments, the first flexible measuring ruler 1, the second flexible measuring ruler 2, the third flexible measuring ruler 3, and the fourth flexible measuring ruler 4 are all tape measures, but they can also be measuring rulers made of other flexible materials such as soft rubber.

[0028] In one embodiment, a fifth flexible measuring ruler 5 for measuring the palm circumference is connected to the end of the lower arm measuring segment 12 away from the upper arm measuring segment 11. A fourth adjustment structure 51 is provided between the fifth flexible measuring ruler 5 and the lower arm measuring segment 12 to adjust the tightness of the fifth flexible measuring ruler 5 when it wraps around the palm. The fifth flexible measuring ruler 5 wraps around the palm to measure the palm circumference. The fifth flexible measuring ruler 5 is typically a tape measure, but it can also be made of other flexible materials such as soft rubber.

[0029] Furthermore, a connecting clip 6 is provided between the fifth flexible measuring ruler 5 and the lower arm measuring section 12, which can detachably connect the fifth flexible measuring ruler 5 to the lower arm measuring section 12. The fifth flexible measuring ruler 5 is detachably connected to the lower arm measuring section 12, so that its position can be adjusted according to the different distances between the palm and wrist of different people.

[0030] Specifically, the connecting clip 6 includes a base plate 61. A first connecting frame 62 is located on the upper left side of the base plate 61, and a second connecting frame 63 is located on the upper right side of the base plate 61. A transverse channel 601 for the fifth flexible measuring ruler 5 and a longitudinal channel 602 for the lower arm measuring section 12 are provided between the first connecting frame 62 and the second connecting frame 63. The transverse channel 601 and the longitudinal channel 602 are electrically connected. A buckle plate 64 is rotatably connected to the first connecting frame 62, which can move towards the base plate 61 to clamp the lower arm measuring section 12 and the fifth flexible measuring ruler 5. A locking structure 65 is provided between the buckle plate 64 and the second connecting frame 63 to lock the buckle plate 64 onto the second connecting frame 63. The locking structure 65 includes a snap-fit ​​structure connected to the buckle plate 64 and engaging with the second connecting frame 63; alternatively, it can be a threaded fastener or other connecting structure.

[0031] In one embodiment, the connecting clip 6 is made of a transparent rigid material. Furthermore, the bottom of the buckle plate 64 is provided with a clamping block 66 for pressing the lower arm measuring section 12 and the fifth flexible measuring ruler 5 together. The clamping block may be a silicone block adhered to the buckle plate 64.

[0032] In one embodiment, the second flexible measuring ruler 2 is connected to the connection between the upper arm measuring section 11 and the lower arm measuring section 12 via a connecting clip 6; the third flexible measuring ruler 3 is connected to the upper arm measuring section 11 via the connecting clip 6; and the fourth flexible measuring ruler 4 is connected to the lower arm measuring section 12 via the connecting clip 6. Alternatively, the second flexible measuring ruler 2 can also be connected to the connection between the upper arm measuring section 11 and the lower arm measuring section 12 via glue or other connecting structures; the third flexible measuring ruler 3 can also be connected to the upper arm measuring section 11 via glue or other connecting structures; and the fourth flexible measuring ruler 4 can also be connected to the lower arm measuring section 12 via glue or other connecting structures.

[0033] In one embodiment, the first adjustment structure 21 includes a first hook-and-loop fastener structure disposed on the second flexible measuring ruler 2, the second adjustment structure 31 includes a second hook-and-loop fastener structure disposed on the third flexible measuring ruler 3, the third adjustment structure 41 includes a third hook-and-loop fastener structure disposed on the fourth flexible measuring ruler 4, and the fourth adjustment structure 51 includes a fourth hook-and-loop fastener structure disposed on the fifth flexible measuring ruler 5. The first hook-and-loop fastener structure includes a first hook-and-loop hook surface disposed on the left side of the second flexible measuring ruler 2 and a first hook-and-loop loop surface disposed on the right side of the second flexible measuring ruler 2. The second hook-and-loop fastener structure includes a second hook-and-loop hook surface disposed on the left side of the third flexible measuring ruler 3 and a second hook-and-loop loop surface disposed on the right side of the third flexible measuring ruler 3. The third hook-and-loop fastener structure includes a third hook-and-loop hook surface disposed on the left side of the fourth flexible measuring ruler 4 and a third hook-and-loop loop surface disposed on the right side of the fourth flexible measuring ruler 4.

[0034] Furthermore, each of the second flexible measuring ruler 2, the third flexible measuring ruler 3, the fourth flexible measuring ruler 4, and the fifth flexible measuring ruler 5 has a buckle 7 at one end. One end of each flexible measuring ruler can be pre-passed through the buckle to form a loop, and the arm can be inserted into the loop opening before tightening each flexible measuring ruler for measurement.

[0035] In one embodiment, each of the second flexible measuring ruler 2, the third flexible measuring ruler 3, the fourth flexible measuring ruler 4, and the fifth flexible measuring ruler 5 has symmetrical scale lines on its left and right sides, and the zero scale line is located in the middle of each flexible measuring ruler. The measurement direction of the scale is along the length of the measuring ruler.

[0036] In one embodiment, there are four third flexible measuring rulers 3 and four fourth flexible measuring rulers 4. The third flexible measuring ruler 3 closest to the second flexible measuring ruler 2 is 5 cm away from the second flexible measuring ruler 2, and the distance between two adjacent third flexible measuring rulers 3 is 5 cm. The fourth flexible measuring ruler 4 closest to the second flexible measuring ruler 2 is 5 cm away from the second flexible measuring ruler 2, and the distance between two adjacent fourth flexible measuring rulers 4 is 5 cm.

[0037] In one embodiment, a prompt mark 20 is provided in the middle of the second flexible measuring ruler 2, and the prompt mark 20 may be a pattern or text.

Claims

1. An arm circumference measuring device, characterized by: The first flexible measuring scale (1) comprises an upper arm measuring section (11) for measuring the length of the upper arm and a lower arm measuring section (12) for measuring the length of the lower arm, a second flexible measuring scale (2) for measuring the girth of the elbow is connected at the joint of the upper arm measuring section (11) and the lower arm measuring section (12), a first adjusting structure (21) is arranged between the second flexible measuring scale (2) and the first flexible measuring scale (1) to adjust the tightness of the second flexible measuring scale (2) when it is wrapped around the elbow, a plurality of third flexible measuring scales (3) are connected to the upper arm measuring section (11) and are arranged at intervals along the length direction of the upper arm measuring section (11), a second adjusting structure (31) is arranged between the third flexible measuring scale (3) and the upper arm measuring section (11) to adjust the tightness of the third flexible measuring scale (3) when it is wrapped around the upper arm, a plurality of fourth flexible measuring scales (4) are connected to the lower arm measuring section (12) and are arranged at intervals along the length direction of the lower arm measuring section (12), a third adjusting structure (41) is arranged between the fourth flexible measuring scale (4) and the lower arm measuring section (12) to adjust the tightness of the fourth flexible measuring scale (4) when it is wrapped around the lower arm, a first scale (111) is arranged along the length direction on the upper arm measuring section (11), and a second scale (121) is arranged along the length direction on the lower arm measuring section (12), and the zero scale of the first scale (111) and the second scale (121) are both located at the joint of the upper arm measuring section (11) and the lower arm measuring section (12).

2. A device for measuring the circumference of an arm according to claim 1, wherein: The end of the lower arm measuring section (12) away from the upper arm measuring section (11) is connected with a fifth flexible measuring scale (5) for measuring the girth of the palm, and a fourth adjusting structure (51) is arranged between the fifth flexible measuring scale (5) and the lower arm measuring section (12) to adjust the tightness of the fifth flexible measuring scale (5) when it is wrapped around the palm.

3. An arm circumference measuring device according to claim 2, wherein: A connecting clamp (6) is arranged between the fifth flexible measuring scale (5) and the lower arm measuring section (12) to detachably connect the fifth flexible measuring scale (5) to the lower arm measuring section (12).

4. A device for measuring the circumference of an arm according to claim 3, wherein: The connecting clamp (6) comprises a bottom plate (61), a first connecting frame (62) is arranged on the upper left side of the bottom plate (61), a second connecting frame (63) is arranged on the upper right side of the bottom plate (61), a transverse channel (601) through which the fifth flexible measuring scale (5) passes and a longitudinal channel (602) through which the lower arm measuring section (12) passes are arranged between the first connecting frame (62) and the second connecting frame (63), the transverse channel (601) and the longitudinal channel (602) are in communication, a buckle plate (64) capable of being closed to the bottom plate (61) to clamp the lower arm measuring section (12) and the fifth flexible measuring scale (5) is rotatably connected to the first connecting frame (62), and a locking structure (65) capable of locking the buckle plate (64) to the second connecting frame (63) is arranged between the buckle plate (64) and the second connecting frame (63).

5. An arm circumference measuring device according to claim 4, wherein: The locking structure (65) comprises a buckle structure connected to the buckle plate (64) and buckled to the second connecting frame (63).

6. An arm circumference measuring device according to claim 5, wherein: The bottom of the buckle plate (64) is provided with a pressing block (66) for pressing the lower arm measuring section (12) and the fifth flexible measuring scale (5).

7. An arm circumference measuring device according to claim 6, wherein: The second flexible measuring scale (2) is connected at the connection of the upper arm measuring section (11) and the lower arm measuring section (12) through a connecting clamp (6), the third flexible measuring scale (3) is connected on the upper arm measuring section (11) through a connecting clamp (6), and the fourth flexible measuring scale (4) is connected on the lower arm measuring section (12) through a connecting clamp (6).

8. An arm circumference measuring device according to claim 7, wherein: The first adjusting structure (21) comprises a first magic tape structure arranged on the second flexible measuring scale (2), the second adjusting structure (31) comprises a second magic tape structure arranged on the third flexible measuring scale (3), the third adjusting structure (41) comprises a third magic tape structure arranged on the fourth flexible measuring scale (4), and the fourth adjusting structure (51) comprises a fourth magic tape structure arranged on the fifth flexible measuring scale (5).

9. An arm circumference measuring device according to claim 8, wherein: The number of the third flexible measuring scale (3) and the fourth flexible measuring scale (4) is four, the third flexible measuring scale (3) closest to the second flexible measuring scale (2) has a spacing of 5cm from the second flexible measuring scale (2), and the spacing between two adjacent third flexible measuring scales (3) is 5cm; the fourth flexible measuring scale (4) closest to the second flexible measuring scale (2) has a spacing of 5cm from the second flexible measuring scale (2), and the spacing between two adjacent fourth flexible measuring scales (4) is 5cm.

10. A device for measuring arm circumference according to claim 8, wherein: One end of the second flexible measuring scale (2), the third flexible measuring scale (3), the fourth flexible measuring scale (4) and the fifth flexible measuring scale (5) is provided with a buckle ring (7).