High-precision intelligent edema measurement device

Abstract

Provided is a high-precision edema measurement device, comprising an elongated positioning ruler (10), wherein a scale line (11) is marked on the positioning ruler in a length direction thereof, a through groove (12) is formed below the scale line in the length direction of the positioning ruler, and two mounting seats (13) are slidably arranged in the through groove; and a measurement ruler (14) is fixedly connected to each of the two mounting seats, and a scale line is marked on each measurement ruler. When the edema measurement device is in use, the positioning ruler is perpendicular to two legs or two arms of a patient, and is fixed at a position to be measured where the two legs or the two arms are perpendicular to each other; and an operator slides the two measurement rulers along the through groove to the position to be measured on the two legs or the two arms of the patient, and makes the two measurement rulers respectively wrap around the position to be measured of the two legs or the two arms of the patient by one circle, and the length of each measurement ruler wrapping around the position to be measured by one circle is the perimeter of the position to be measured. The edema measurement device has an accurate measurement degree and a simple use method, and thus is convenient to use.

Description

A high-precision intelligent edema measurement device Technical Field

[0001] This invention relates to the field of lymphedema measurement technology, specifically to a high-precision intelligent edema measurement device. Background Technology

[0002] Lymphedema is caused by the retention of lymph fluid in the interstitial spaces due to impaired lymphatic circulation, encompassing a series of pathological changes including tissue edema, chronic inflammation, and tissue fibrosis. According to the World Health Organization, lymphedema ranks 11th among common diseases, affecting approximately 250 million people worldwide. About 1 in 6,000 newborns develop primary lymphedema. In my country, there are over 6 million patients with lymphedema, and this number is increasing annually. 15%-30% of breast cancer survivors develop secondary upper limb lymphedema, and the overall incidence of lower limb lymphedema after gynecological tumor surgery is approximately 25%, but can be as high as 70% in some patient groups.

[0003] Lymphedema is a highly disabling disease that progresses over time. If it is not properly diagnosed and treated in its early stages, it can lead to irreversible pathological changes, including:

[0004] (1) The affected limb is swollen and thickened, and progressive tissue fibrosis and fat deposition occur. In the late stage, it can lead to disability, and the disability rate ranks second among the diseases causing disability (WHO).

[0005] (2) Frequent erysipelas and cellulitis, severe infection can lead to sepsis and even endanger life; when combined with venous disease, it can lead to refractory chronic ulcers in the late stage;

[0006] (3) Late-stage lymphedema can turn into malignant lesions, such as lymphangiosarcoma / angiovascular endothelial sarcoma.

[0007] Measuring the size of lymphedema and assessing its severity are crucial for targeted treatment. Various measuring devices have been developed to accurately measure lymphedema.

[0008] For example, Chinese utility model patent CN219422806U discloses a universal lymphedema measurement device for the upper and lower limbs, including a reference support rod. Several evenly distributed positioning reference blocks are fixedly connected to the outer wall of the reference support rod. A wrist positioning component is provided on one side of the reference support rod. The wrist positioning component includes a binding positioning sleeve, a clearance connecting ring, a distance adjustment rod, and a distance adjustment sleeve. The reference support rod has an edema measurement component. The wrist positioning component allows the reference support rod to be positioned using the patient's wrist or ankle, enabling it to be attached to one side of the patient's limb and serve as a positioning reference for the edema measurement component. This allows the user to more evenly adjust the position of the edema measurement component by referring to the position of the positioning reference blocks on the reference support rod, avoiding the influence of the swollen limb curvature when measuring the movement distance of the edema measurement component.

[0009] For example, Chinese invention patent application number CN202410110853.4 discloses a lower limb volume measuring device, which relates to the technical field of lymphedema measuring devices. It includes a side plate and a measuring ruler. The measuring ruler is used to measure the leg circumference of the patient's leg at different positions. Several measuring rulers are fixed to the side plate at equal distances from top to bottom. The measuring rulers are set horizontally, and the zero scale end of the measuring ruler is fixed to the side plate. The distance between adjacent measuring rulers is four centimeters. A top plate passes through the top of the side plate. The side plate and the top plate are slidably connected. A fixing strap is fixed to the side wall of the top plate. The fixing strap is fixed by Velcro. A rotating rod is rotatably connected to the top of the top plate. A worm gear is fixed to the bottom of the rotating rod. The outer side wall of the side plate is provided with a tooth. The tooth is located inside the top plate and meshes with the worm gear. A storage box is installed on the outer wall of the side plate.

[0010] Although existing edema measurement devices can measure the size of edema, they are complex in structure, inconvenient to operate, and the measured data are inaccurate, which affects the treatment effect.

[0011] Summary of the Invention

[0012] To overcome the shortcomings of existing technologies, this invention provides a high-precision intelligent edema measurement device with simple structure, easy operation, and high measurement accuracy.

[0013] The technical solution of the present invention is as follows: a high-precision edema measuring device includes a long strip-shaped positioning ruler, the positioning ruler having scale lines marked along its length direction, and a through groove provided below the scale lines along the length direction of the positioning ruler, with two mounting seats slidably disposed in the through groove; a measuring ruler is connected to each of the two mounting seats, and the measuring ruler has scale lines marked on it.

[0014] The bottom of the mounting base is provided with a slide block, which is housed in the through groove. The side wall of the through groove is provided with receiving grooves for accommodating both ends of the slide block, and the slide block can slide in the through groove.

[0015] The positioning ruler is made of a rigid, inflexible material.

[0016] The positioning ruler is a retractable measuring tape, and one end of the positioning ruler is provided with a rewind box for rewinding the positioning ruler.

[0017] The winding box includes a housing and a first reel disposed within the housing. The housing also has an outlet and a locking element. The positioning ruler is wound around the first reel, with its free end extending out of the outlet. A coil spring is provided at the axis of the first reel.

[0018] The measuring ruler is made of flexible material.

[0019] A high-precision edema measuring device includes a long strip-shaped positioning ruler with scale lines marked along its length. A through groove is provided below the scale lines along the length of the positioning ruler, and two measuring handles are slidably disposed in the through groove. Each of the two measuring handles is provided with a measuring ruler with scale lines marked on it.

[0020] The measuring handle includes a handle box, and the upper and lower sides of the handle box are respectively provided with a mating groove. The upper and lower groove walls of the through groove are respectively accommodated in the two mating grooves, and the handle box can slide in the through groove.

[0021] The handle box has a receiving cavity, and a second scroll is provided inside the receiving cavity; with the side of the handle box closest to the limb during measurement as the front side, an outlet and an insertion interface are respectively provided at or near the junction of the front side and the left and right sides of the handle box; the measuring ruler is wound on the second scroll and extends out of the handle box through the outlet; the end of the measuring ruler extending out of the handle box is fixedly mounted on a connecting rod, and the connecting rod can be inserted into and pulled out of the connecting interface.

[0022] One end of the positioning ruler is configured as a sealing seat, and the sealing seat is provided with two insertion slots. The two insertion slots are respectively used to accommodate the ends of the upper and lower groove walls of the through groove, and are detachably connected to them.

[0023] The beneficial effects of the present invention are as follows: When using the edema measuring device, the positioning ruler is perpendicular to the patient's legs or arms and fixed at the position to be measured perpendicular to the legs or arms. The two measuring rulers are slid along the through groove to the position to be measured on the patient's legs or arms. The two measuring rulers are then moved around the position to be measured on the patient's legs or arms. The length of the measuring ruler around the position to be measured is the circumference of the position to be measured. The edema measuring device has a simple structure, accurate measurement, simple method of use, and is easy to use. Attached image description:

[0024] Figure 1 is a schematic diagram of the high-precision edema measurement device of the present invention.

[0025] Figure 2 is another structural schematic diagram of the high-precision edema measurement device of the present invention.

[0026] Figure 3 is a schematic diagram of another embodiment of the high-precision edema measurement device of the present invention.

[0027] Figure 4 shows the usage status diagram of the high-precision edema measurement device shown in Figure 3.

[0028] Figure 5 is another structural schematic diagram of the high-precision edema measuring device of the present invention. For clarity, one side cover of the winding box has been removed in this figure.

[0029] Figure 6 is a schematic diagram of another embodiment of the high-precision edema measurement device of the present invention.

[0030] Figure 7 shows the usage status diagram of the high-precision edema measurement device shown in Figure 6.

[0031] Figure 8 is a structural schematic diagram of another embodiment of the high-precision edema measurement device of the present invention.

[0032] Figure 9 is an exploded view of the high-precision edema measurement device shown in Figure 8.

[0033] Figure 10 is a schematic diagram of the measuring handle 30 of the high-precision edema measuring device.

[0034] Figure 11 is a cross-sectional view along line A-A in Figure 10.

[0035] Figure 12 is a cross-sectional view along line B-B in Figure 10. Detailed Implementation

[0036] To make the objectives, technical solutions, and effects of this invention clearer, the invention will be further described below in conjunction with specific embodiments. It should be understood that the specific embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the invention.

[0037] Referring to Figures 1 and 2, a high-precision edema measurement device includes a long, narrow positioning ruler 10. The positioning ruler has graduation lines 11 marked along its length, and a through groove 12 is provided below the graduation lines 11 along the length of the positioning ruler 10. Two mounting seats 13 are slidably disposed within the through groove 12. A measuring ruler 14, also marked with graduation lines 11, is connected to each of the two mounting seats 13. In use, the positioning ruler 10 is placed perpendicular to the patient's legs or arms at the measurement location. The two mounting seats 13 are slid along the through groove 12 to the measurement location on the patient's legs or arms. The two measuring rulers 14 are then moved around the measurement location on the patient's legs or arms, and the length of the circumference of the measurement location is the circumference of the measurement location. The edema measurement device is accurate and simple to use.

[0038] Preferably, the measuring ruler 14 is rotatable about the mounting base 13, thereby facilitating measurement from different directions.

[0039] Preferably, the measuring ruler 14 is equipped with Velcro. The measuring ruler 14 is wrapped around the patient's measurement position and then glued together at the starting and ending points using the Velcro, facilitating the observation and recording of the measured data. When measuring the next position, the Velcro can be removed to move the edema measuring device, making operation convenient. It should be understood that the starting and ending points of the measuring ruler 14 can also be glued together using other structures, such as buttonholes, buttons, or hooks. These structures are well-known to those skilled in the art and will not be described in detail here.

[0040] Preferably, referring to Figure 2, the bottom of the mounting base 13 is provided with a slide 15, which is accommodated in the through groove 12 and can slide within the through groove 12. Correspondingly, the side wall of the through groove 15 is provided with receiving grooves 16 for accommodating both ends of the slide 15. This structure facilitates moving the mounting base 13 and the measuring ruler 14 on it to the position to be measured.

[0041] In one embodiment of the present invention, the positioning ruler 10 is made of a rigid material such as inflexible plastic or metal. The rigid material can maintain the structural stability of the positioning ruler 10 and make it durable.

[0042] In one embodiment of the present invention, the positioning ruler 10 is made of paper, which is suitable for single use and is clean and hygienic.

[0043] Referring to Figures 3-6, in another embodiment of the present invention, the positioning ruler 10' is a retractable measuring tape, and its material can be steel strip, fiber, etc. In this embodiment, a rewinding box 20 is provided at one end of the positioning ruler 10' for rewinding the positioning ruler 10'. When the measuring device is not in use, the positioning ruler 10' is rewound in the rewinding box 20, and the free end 10a of the positioning ruler 10' extends out of the rewinding box 20. The mounting base 13 and the measuring ruler 14 are located between the free end 10a and the rewinding box 20. When needed, the free end 10a of the positioning ruler 10' is pulled to pull the positioning ruler 10' out of the rewinding box 20.

[0044] The winding box 20 includes a housing 21 and a first spool 22 disposed within the housing 21. The housing 21 has a first outlet 23 and a first locking assembly 24. A positioning ruler 10 is wound around the first spool 22, with its free end 10a extending out of the first outlet 23. A first coil spring 25 is located at the axis of the first spool 22. When the free end 10a of the positioning ruler 10' is pulled, causing it to extend out of the winding box 20, the first spool 22 rotates forward, and the first coil spring 25 elastically resists the first spool 22. When the extended length of the positioning ruler 10' reaches the required measurement length, the first locking assembly 24 locks the first spool 22, preventing it from rotating in the opposite direction under the action of the first coil spring 25. When the positioning ruler 10' is finished, the first winding 22 is released by the first locking component 24. Under the action of the elastic force of the first winding spring 25, the first winding 22 rotates in the opposite direction, and the positioning ruler 10' is wound up on the first winding 22.

[0045] The first locking assembly 24 includes a first button 241 and a first locking member 242. The first button 241 is located outside the housing 21, and the first locking member 242 is pivotally connected to the inner wall of the housing 21. The bottom of the first button 241 passes through the housing 21 and abuts against the first pressing end 245 of the first locking member 242. The second end of the first locking member 242 is provided with a first holding portion 246, and a first spring 243 is provided above the first holding portion 246. A first shaft disc 247 is provided on the end face of the first spool 22, and a first locking tooth 248 is provided around the periphery of the first shaft disc 247. The first holding portion 246 and the first locking tooth 248 cooperate with each other. When the positioning ruler 10' needs to be pulled out from the winding box 20, pressing the first button 241 presses the first pressing end 245 of the first locking member 242, causing the first locking member 242 to rotate and extend the first holding part 246 out of the first locking tooth 246, thus squeezing the first spring 243 and pulling out the positioning ruler 10' wound on the first reel 22. When the positioning ruler 10' is pulled out to the required length, releasing the first button 241 causes the first spring 243 to push the first holding part 246 back to hold the first locking tooth 248 under the action of elastic force. The first locking member 242 rotates, and the first pressing end 245 also resets and pushes the first button 241 back to reset. At this time, the first holding part 246 and the first locking tooth 248 remain engaged, thereby preventing the first reel 22 from continuing to rotate and release the positioning ruler 10'. After the positioning ruler 10' is used up, pressing the first button 241 causes the first locking member 24 to release the first reel 22. Under the action of the first coil spring 25, the first reel 22 rotates in the opposite direction to rewind the positioning ruler 10'. In this embodiment, the measuring device is convenient to use, simple to operate, and easy to store.

[0046] In another embodiment of the present invention, the measuring ruler 14 is made of a flexible material, such as fiber cloth, cotton, or leather.

[0047] In another embodiment of the present invention, the measuring ruler 14 is a retractable measuring tape, which is stretched out when in use and automatically wound up when not in use.

[0048] Referring to Figures 6-9, another embodiment of the present invention provides a high-precision edema measuring device, including a long strip-shaped positioning ruler 10. The positioning ruler has graduation lines 11 marked along its length, and a through groove 12 is provided below the graduation lines 11 along the length of the positioning ruler 10. Two measuring handles 30 are slidably disposed within the through groove 12, and each of the two measuring handles 30 has a measuring ruler 14'. In this embodiment, the measuring ruler 14' is a measuring tape made of materials such as steel strip or fiber. The measuring ruler 14' is marked with graduation lines. Specifically, the measuring handle 30 includes a handle box 31, and the upper and lower sides of the handle box 31 are respectively provided with a mating groove 32. The upper and lower groove walls 121 and 122 of the through groove 12 are respectively accommodated in the two mating grooves 32 and 33. The handle box 31 can slide within the through groove 12, and the upper and lower groove walls 121 and 122 guide the sliding of the handle box 31.

[0049] The handle box 31 has a receiving cavity 311, within which a second scroll 312 is disposed. Taking the side of the handle box 31 closest to the limb during measurement as the front side 313, an outlet 316 and an insertion interface 317 are respectively provided at or near the junction of the front side 313 and the left and right side sides 314 and 315 of the handle box 31. The measuring ruler 14' is wound around the second scroll 312 and extends out of the handle box 31 through the outlet. The end of the measuring ruler 14' extending out of the handle box 31 is fixedly mounted on a connecting rod 34, which can be inserted into and removed from the insertion interface 317. When using the measuring device described in this embodiment, referring to Figure 7, the positioning ruler 10 is brought close to the limbs to be measured, so that the front sides 313 of the two handle boxes 31 are pressed against the limbs to be measured. The two connecting rods 34 are pulled to extend the measuring ruler 14' out of the measuring box 31, and the measuring ruler 14' is stretched tightly against the limbs to be measured towards the insertion interface 317 until the connecting rod 34 is inserted into the insertion interface 317. The scale line of the measuring ruler 14' is observed, and the circumference of the limb with the measuring point is measured.

[0050] Preferably, the connector 317 is provided with a notch 318, and when the connector 34 is inserted into the notch 318, the measuring ruler 14' passes through the notch 318.

[0051] Preferably, the front side 313 of the handle box 31 is configured as an arc-shaped surface, so as to fit the measurement position of the upper or lower limb.

[0052] Preferably, a handle 34 protrudes from the rear side of the handle box 31, and the handle 35 facilitates holding the handle box 31 for measurement operations.

[0053] Preferably, referring to Figures 8-9, one end of the positioning ruler 10 is configured as a sealing seat 17. The sealing seat 17 has two insertion slots 171, which are respectively used to accommodate the ends of the upper and lower groove walls 121 and 122 of the through groove 12 and are detachably connected to them. When it is necessary to insert the handle box 31 into the long groove 12, the sealing seat 17 is removed, and the positioning ruler 10 forms a U-shaped groove with one end open. The groove walls 121 and 122 of the through groove 12 are accommodated in the mating slots 32 and 33 of the handle box 31, and the handle box 31 is slid along the groove walls 121 and 122 of the through groove 12 to a predetermined position, completing the installation of the measuring handle 30. Then, the ends of the upper and lower groove walls 121 and 122 of the through groove 12 are inserted into the two insertion slots 171 of the sealing seat 17, completing the installation of the positioning ruler 10 and the handle box 31. After the measurement is completed, the sealing seat is removed and the measuring handle 30 is slid out of the through groove 12. The measuring handle 30 can then be used as an independent measuring tool to measure length, height, circumference, etc.

[0054] The structure for winding the measuring ruler 14' in the handle box 31 is the same as the structure for winding the positioning ruler 10 in the winding box 20 described above. Specifically, referring to Figures 10-12, a second reel 312 is provided inside the handle box 31, and a second locking component 40 is provided on the handle box 31. The second locking component 40 includes a second button 41 and a second locking member 42. The second button 41 is located outside the handle box 31, and the second locking member 42 is pivotally connected to the inner wall of the handle box 31. The bottom of the second button 41 passes through the handle box 31 and abuts against the second pressing end 421 of the second locking member 42. One end of the second locking member 42 is provided with a second holding part 422, and a second spring 43 is provided above the second holding part 422. A second shaft disc 319 is provided on the end face of the second reel 312, and a second locking tooth 320 is provided around the periphery of the second shaft disc 319. The second holding part 422 and the second locking tooth 320 cooperate with each other. When it is necessary to pull the measuring scale 14' out of the handle box 31, press the second button 41. The second pressing end 421 of the second locking member 42 is pressed, causing the second locking member 42 to rotate and extend the second locking part 422 out of the second locking tooth 320, and compress the second spring 43, thereby pulling out the measuring scale 14' wound on the second reel 314. When the measuring scale 14' is pulled out to the required length, release the second button 41. Under the action of the elastic force, the second spring 43 pushes the second locking part 319 back to its original position and maintains a locking with the second locking tooth 320. The second locking member 42 rotates, and the second pressing end 421 also returns to its original position and pushes the second button 41 back to its original position. At this time, the second locking part 422 and the second locking tooth 320 remain locked, thereby preventing the second reel 314 from continuing to rotate and release the measuring scale 14'. After the measuring ruler 14' is used up, pressing the second button 41 causes the second locking member 40 to release the second reel 314. Under the action of the second coil spring (not shown), the second reel 314 rotates in the opposite direction to rewind the measuring ruler 14'. In this embodiment, the measuring device is convenient to use, simple to operate, and easy to store.

[0055] The above description, in conjunction with specific preferred embodiments, provides a further detailed explanation of the present invention and should not be construed as limiting the specific implementation of the invention to these descriptions. For those skilled in the art, the architectural form of this invention can be flexibly varied without departing from its conceptual framework, leading to the derivation of a series of products. Any simple deductions or substitutions should be considered as falling within the patent protection scope defined by the submitted claims.

Claims

1. A high-precision edema measurement device, characterized in that, It includes a long strip-shaped positioning ruler, which has scale lines marked along its length and a through groove below the scale lines along the length of the positioning ruler. Two mounting seats are slidably disposed in the through groove. A measuring ruler is connected to each of the two mounting seats, and the measuring ruler is marked with scale lines.

2. The high-precision edema measurement device as described in claim 1, characterized in that, The bottom of the mounting base is provided with a slide block, which is slidably accommodated in the through groove. The side wall of the through groove is provided with receiving grooves to accommodate the two ends of the slide block.

3. The high-precision edema measurement device as described in claim 1 or 2, characterized in that, The positioning ruler is made of a rigid, inflexible material.

4. The high-precision edema measurement device as described in claim 1 or 2, characterized in that, The positioning ruler is a retractable measuring tape, and one end of the positioning ruler is provided with a rewind box for rewinding the positioning ruler.

5. The high-precision edema measuring device as described in claim 4, characterized in that, The winding box includes a housing and a first reel disposed within the housing. The housing also has an outlet and a locking element. The positioning ruler is wound around the first reel, with its free end extending out of the outlet. A coil spring is provided at the axis of the first reel.

6. The high-precision edema measuring device as described in claim 3, characterized in that, The measuring ruler is made of flexible material.

7. A high-precision edema measuring device, characterized in that, It includes a long strip-shaped positioning ruler, which has scale lines marked along its length and a through groove below the scale lines along the length of the positioning ruler. Two measuring handles are slidably disposed in the through groove. Each of the two measuring handles is provided with a measuring ruler, which is marked with scale lines.

8. The high-precision edema measuring device as described in claim 7, characterized in that, The measuring handle includes a handle box, and the upper and lower sides of the handle box are respectively provided with a mating groove. The upper and lower groove walls of the through groove are respectively accommodated in the two mating grooves, and the handle box can slide in the through groove.

9. The high-precision edema measuring device as described in claim 8, characterized in that, The handle box has a receiving cavity, and a second scroll is provided inside the receiving cavity; with the side of the handle box closest to the limb during measurement as the front side, an outlet and an insertion interface are respectively provided at or near the junction of the front side and the left and right sides of the handle box; the measuring ruler is wound on the second scroll and extends out of the handle box through the outlet; the end of the measuring ruler extending out of the handle box is fixedly mounted on a connecting rod, and the connecting rod can be inserted into and pulled out of the connecting interface.

10. The high-precision edema measuring device as described in claim 9, characterized in that, One end of the positioning ruler is configured as a sealing seat, and the sealing seat is provided with two insertion slots. The two insertion slots are respectively used to accommodate the ends of the upper and lower groove walls of the through groove, and are detachably connected to them.

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