Leg circumference measuring device

Abstract

The utility model provides a leg circumference measuring device which comprises a fixing assembly, an upper scale, a lower scale and a leg circumference measuring assembly, the fixing assembly is fixed on a knee joint of a lower limb of a patient and serves as a reference position for measurement, the upper scale and the lower scale are reversely installed, and one end of the upper scale and one end of the lower scale are connected and installed on the side portion of the fixing assembly. The upper scale and the lower scale can respectively extend along thighs and shanks of lower limbs of a patient; the leg circumference measuring assembly comprises a sliding seat sliding along the upper ruler or the lower ruler and a leg circumference measuring piece connected to the sliding seat, and a first scale mark and a second scale mark which represent the sliding distance of the sliding seat are marked on the upper ruler and the lower ruler respectively, so that medical staff can conveniently adjust the specific leg circumference measuring position according to individual differences. The leg circumference measuring piece surrounds the lower limb to complete leg circumference measurement; the device can complete leg circumference measurement without exposing the lower limbs of a patient or marking the lower limbs of the patient during measurement, and is simple and convenient to operate, small in measurement error and high in working efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of medical auxiliary equipment, in particular to a leg circumference measuring device. Background Art

[0002] In clinical nursing work, for cases of deep vein thrombosis of the lower limbs, lower limb arteriosclerosis obliterans, and lower limb swelling after arteriovenous puncture, nurses need to measure the patient's leg circumference at a fixed point every day and record it, and judge the lower limb swelling by comparing the leg circumference data measured every day; the leg circumference measurement method commonly used in the inventor's hospital is: find a reference point on the patella and mark it with a marker, measure the thigh and calf positions 10-15 cm away from the reference point and mark them with a marker, where the specific measurement position of each patient is determined by the nurse according to the individual differences of the patient, and use a soft tape measure to measure the thigh and calf leg circumference around the marked position. When measuring the leg circumference next time, you only need to find the marked position.

[0003] Since the mark is made directly on the skin of the patient's lower limbs, the patient needs to fully expose his lower limbs before each measurement. At the same time, in the patient's daily life, the position marked by the marker can easily be lost due to sweating or bathing, so the mark position needs to be re-determined. When the re-determined mark position deviates from the previous mark position, the leg circumference measurement position will also deviate, making the entire operation process of the currently commonly used leg circumference measurement method complicated and prone to problems such as large measurement errors. Therefore, a leg circumference measurement device that does not require marking on the skin of the patient's lower limbs is needed to solve the above problems. Utility Model Content

[0004] In order to solve the above problems, the utility model patent provides a wearable leg circumference measuring device, which can be fixed on the knee joint of the patient's lower limbs, and the measurement position is measured along the thigh and calf through a ruler. There is no need to expose the patient's lower limbs for each measurement, and there is no need to make marks on the patient's lower limbs. The leg circumference measurement can be completed through the leg circumference measuring component installed on the ruler. The operation is simple and convenient, and the error is small.

[0005] The utility model adopts the following technical scheme: a leg circumference measuring device, comprising a fixing assembly, an upper ruler, a lower ruler and a leg circumference measuring assembly, wherein the fixing assembly is fixed on the knee joint of the patient's lower limb, the upper ruler and the lower ruler are installed in opposite directions, and one end is connected and installed on the side of the fixing assembly;

[0006] The leg circumference measuring assembly includes a slide seat sliding along the upper scale or the lower scale and a leg circumference measuring piece connected to the slide seat. The leg circumference measuring piece surrounds the lower limbs to measure the leg circumference. The upper scale and the lower scale are respectively marked with a first scale line and a second scale line indicating the sliding distance of the slide seat.

[0007] Furthermore, the fixing assembly includes a fixing cover and a fixing belt, the fixing cover is provided with a housing cavity for accommodating the knee joint and an opening for exposing the patella, the fixing belt is connected to the fixing cover through a connecting block, and the fixing belt fixes the fixing cover to the knee joint of the patient's lower limb.

[0008] Furthermore, a screw rod and a locking knob screwed onto the screw rod are provided on the side of the fixing assembly, and a first mounting hole and a second mounting hole are respectively provided at one end of the upper scale and the lower scale. The upper scale and the lower scale are respectively sleeved on the screw rod through the first mounting hole and the second mounting hole, and the upper scale and the lower scale can be fixed on the screw rod by the locking knob.

[0009] Furthermore, a first groove is provided on the back side of one end of the upper scale having the first mounting hole, and a second groove is provided on the front side of one end of the lower scale having the second mounting hole, and the first groove is adapted to the second groove so that the upper scale and the lower scale are staggeredly connected through the first groove and the second groove, and the first mounting hole is aligned with the second mounting hole.

[0010] Furthermore, the leg circumference measuring piece includes a flexible splint and a soft tape measure, one end of the two arc-shaped flexible splints are respectively fixedly connected to the opposite sides of the slide seat, so that an annular clamping cavity is formed between the slide seat and the two flexible splints, and an opening for the patient's lower limbs to enter the clamping cavity is formed between the other ends of the two arc-shaped flexible splints, one end of the soft tape measure is fixedly connected to the other end of a flexible splint, and a groove for the soft tape measure to pass through is provided at the other end of the other flexible splint, and a third scale line is provided on the soft tape measure.

[0011] Furthermore, a through slot for the upper scale or the lower scale to pass through is provided on the slide seat, and a rubber layer is fixed on at least part of the side surface of the through slot, and the rubber layer contacts the upper scale or the lower scale.

[0012] Furthermore, a temperature sensor is provided on the side of the slide seat facing the patient's lower limbs, and a temperature display is provided on the side of the slide seat facing away from the patient's lower limbs. The temperature sensor is electrically connected to the temperature display.

[0013] The leg circumference measuring device in the utility model patent is fixed on the knee joint of the patient's lower limbs through a fixing component as a reference position for measurement. The upper ruler and the lower ruler connected and installed on the fixing component can extend along the thigh and the calf of the patient's lower limbs respectively. The slide seat on the leg circumference measuring component can slide up and down along the upper ruler and the lower ruler, so that medical staff can adjust the specific leg circumference measurement position according to individual differences, and complete the leg circumference measurement by surrounding the lower limbs with the leg circumference measuring piece. The device does not need to expose the patient's lower limbs during measurement, nor does it need to mark the patient's lower limbs to complete the leg circumference measurement. The operation is simple and convenient, the measurement error is small, and the work efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Attached Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Attached Figure 2 It is a structural schematic diagram of the fixing component 1 in the utility model.

[0016] Attached Figure 3 It is a structural schematic diagram of the upper scale 2 in the utility model.

[0017] Attached Figure 4 It is a structural schematic diagram of the lower scale 3 in the utility model.

[0018] Attached Figure 5 The structure of the mid-leg circumference measuring assembly 4 of the utility model is shown in FIG. Figure 1 .

[0019] Attached Figure 6 The structure of the mid-leg circumference measuring assembly 4 of the utility model is shown in FIG. Figure 2 .

[0020] The accompanying drawings are described as follows: fixing assembly 1, fixing cover 11, opening 111, connecting block 12, fixing belt 13, screw rod 14, locking knob 15, upper scale 2, first mounting hole 21, first groove 22, first scale line 23, lower scale 3, second mounting hole 31, second groove 32, second scale line 33, leg circumference measuring assembly 4, sliding seat 41, through groove 411, flexible splint 42, through groove 421, soft tape measure 43, third scale line 431, temperature sensor 44, temperature display 45. DETAILED DESCRIPTION

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. The content of the utility model is further described below in conjunction with the drawings:

[0022] Example 1

[0023] Refer to the instruction manual Figure 1 A leg circumference measuring device comprises a fixing component 1, an upper ruler 2, a lower ruler 3 and a leg circumference measuring component 4. The upper ruler 2 and the lower ruler 3 are installed in opposite directions, and one end is connected and installed on the side of the fixing component 1; two leg circumference measuring components 4 are respectively installed on the upper ruler 2 and the lower ruler 3, and both can slide along the upper ruler 2 and the lower ruler 3.

[0024] Refer to the instruction manual Figure 2The fixing assembly 1 includes a fixing cover 11 and a fixing belt 13. The fixing cover 11 is provided with a receiving cavity for accommodating the knee joint and an opening 111 for exposing the patella. The fixing belt 13 is connected to the fixing cover 11 through a connecting block 12. The fixing belt 13 is tightened after being wrapped around the patient's lower limbs to fix the fixing cover 11 on the knee joint of the patient's lower limbs, so that the restraining position of the fixing cover 11 is relatively consistent each time when it is used on the same patient. The fixing cover 11 is made of soft rubber material as a whole to ensure that the fixing cover 11 is in flexible contact with the skin and ensure comfort; wherein the fixing belt 13 includes two fixing belts, each of which is fixedly connected to the connecting block 12 at one end, and Velcro that can be adhered to each other is arranged at the other end of the two fixing belts 13.

[0025] After being fixed on the knee joint of the patient's lower limb by the fixing component 1, the leg circumference measurement position can be measured by the upper ruler 2 and the lower ruler 3, and the leg circumference measurement can be completed by the leg circumference measurement component 4;

[0026] Specifically, refer to the attached manual Figure 5 , 6 The leg circumference measuring assembly 4 includes a slide 41 that slides along the upper scale 2 or the lower scale 3, a flexible splint 42 and a soft tape measure 43. One end of the two arc-shaped flexible splints 42 are respectively fixedly connected to the opposite side of the slide 41, so that an annular clamping cavity is formed between the slide 41 and the two flexible splints 42, and an opening for the patient's lower limbs to enter the clamping cavity is formed between the other ends of the two arc-shaped flexible splints 42. One end of the soft tape measure 43 is fixedly connected to the other end of one flexible splint 42, and a through groove 421 for the soft tape measure 43 to pass through is provided at the other end of the other flexible splint 42. A third scale line 431 is provided on the soft tape measure 43 to measure the distance between the other ends of the two flexible splints 42;

[0027] The flexible splint 42 is made of soft rubber material, and can maintain an arc-shaped horizontal state when not subjected to external force, and remain perpendicular to the upper ruler 2 or the lower ruler 3; when measuring the leg circumference, the lower limb enters the clamping cavity through the opening, and since the flexible splint 42 is perpendicular to the upper ruler 2 or the lower ruler 3, the position of the leg circumference measurement is also perpendicular to the upper ruler 2 or the lower ruler 3. If the soft tape measure 43 is used directly for measurement, it cannot be well guaranteed that the soft tape measure 43 is completely perpendicular to the upper ruler 2 or the lower ruler 3 after it is wrapped around the lower limb. It may be oblique after wrapping around the lower limb, which will cause measurement errors. Therefore, the combination of the flexible splint 42 and the soft tape measure 43 can reduce the measurement errors caused by the measurement.

[0028] After the other end of the soft tape measure 43 passes through the through slot 421, the other end of the soft tape measure 43 is pulled. When the flexible splint 42 is pulled by the soft tape measure 43, it is retracted inward and close to the skin of the lower limb. The distance a between the openings of the other ends of the two flexible splints 42 can be read according to the third scale line 431 on the soft tape measure 43. Since the width of the slide 41 and the length of the flexible splint 42 are fixed values ​​b, the measured leg circumference is: a+b.

[0029] The first scale line 23 and the second scale line 33 indicating the sliding distance of the slide 41 are respectively marked on the upper scale 2 and the lower scale 3, and the scale range of the first scale line 23 and the second scale line 33 is 0-15cm; before measuring the leg circumference, it is necessary to measure the leg circumference measurement position through the first scale line 23 or the second scale line 33, the upper scale 2 and the lower scale 3 can be fixedly installed in reverse on the connecting block 12, and when the patient's lower limbs are straightened, the upper scale 2 extends along the thigh and the lower scale 3 extends along the calf, so that the leg circumference of the thigh and the calf can be measured.

[0030] The method of using the leg circumference measuring device in this embodiment is as follows: the patient straightens the lower limbs, and the flexible splints 42 on the upper ruler 2 and the lower ruler 3 are respectively sleeved on the thigh and the calf, and the fixing cover 11 is covered on the knee joint of the patient's lower limb, and the patella is exposed from the opening 111, and the fixing belt 13 is fastened to fix the fixing cover 11, and the slide seat 41 is slid along the upper ruler 2 and the lower ruler 3 to adjust the position of the leg circumference measurement and record it on the record sheet, and after the other end of the soft tape measure 43 passes through the through slot 421, the other end of the soft tape measure 43 is pulled, and when the flexible splint 42 is pulled by the soft tape measure 43, it moves inward. By closing them together and keeping them close to the skin of the lower limbs, the distance a between the openings at the other ends of the two flexible splints 42 can be read according to the third scale line 431 on the soft tape measure 43. Since the width of the slide 41 and the length of the flexible splint 42 are fixed values ​​b, the measured leg circumference is: a+b. By measuring the leg circumferences of the corresponding positions of the thigh and calf respectively through the above method, the measurement of the leg circumference is completed and recorded on the record sheet. When measuring next time, slide the slide 41 to the corresponding position according to the leg circumference measurement position recorded on the record sheet, repeat the above method to measure the leg circumference and record it on the record sheet.

[0031] Example 2

[0032] The inventors found during the nursing process that some patients' lower limbs cannot be fully straightened due to pathological or congenital reasons, and the bending state of the lower limbs of each measured patient is different. At this time, the leg circumference measuring device fixed with the upper ruler 2 and the lower ruler 3 cannot be used. Therefore, in view of the above problems:

[0033] Based on Example 1, and with reference to the attached Figure 2 , 34. A screw rod 14 and a locking knob 15 screwed to the screw rod 14 are arranged on the side of the connecting block 12 of the fixing component 1. A first mounting hole 21 and a second mounting hole 31 are respectively arranged at one end of the upper ruler 2 and the lower ruler 3. The upper ruler 2 and the lower ruler 3 are respectively sleeved on the screw rod 14 through the first mounting hole 21 and the second mounting hole 31. The upper ruler 2 and the lower ruler 3 can be rotated along the screw rod 14 to adjust the upper ruler 2 to be parallel to the thigh and the lower ruler 3 to be parallel to the calf. After the adjustment is completed, the upper ruler 2 and the lower ruler 3 can be fixed to the screw rod 14 by tightening the locking knob 15, that is, the positions of the upper ruler 2 and the lower ruler 3 are fixed, which is convenient for subsequent leg circumference measurement; at the same time, the upper ruler 2 and the lower ruler 3 can be removed when stored to save storage space.

[0034] Refer to the instruction manual Figure 3 , 4 A first groove 22 is provided on the back side of one end of the upper scale 2 where the first mounting hole 21 is provided, and a second groove 32 is provided on the front side of one end of the lower scale 3 where the second mounting hole 31 is provided. The first groove 22 is adapted to the second groove 32, so that the upper scale 2 and the lower scale 3 are staggeredly connected through the first groove 22 and the second groove 32, and the first mounting hole 21 is aligned with the second mounting hole 31, so that the upper scale 2 and the lower scale 3 are on the same plane, which can improve the measurement accuracy. At the same time, the rotation of the upper scale 2 and the lower scale 3 along the screw rod 14 will not affect each other.

[0035] In one embodiment, refer to the attached specification Figure 5 , 6 A through slot 411 is provided on the slide 41 for the upper scale 2 or the lower scale 3 to pass through, and a rubber layer is fixed on at least part of the side surface of the through slot 411, and the rubber layer contacts the upper scale 2 or the lower scale 3, so that the slide 41 can be positioned on the upper scale 2 or the lower scale 3 by the friction force of the rubber layer when not subjected to external force. When a force is applied to the slide 41 along the length direction of the upper scale 2 or the lower scale 3, the slide 41 can be slid along the upper scale 2 or the lower scale 3, which is convenient for adjusting the position of the leg circumference measurement, and has a simple structure and good use effect.

[0036] The method of using the leg circumference measuring device in this embodiment is as follows: loosen the locking knob 15, and rotate along the screw rod 14 to adjust the upper ruler 2 to be parallel to the thigh and the lower ruler 3 to be parallel to the calf, respectively sleeve the flexible splints 42 on the upper ruler 2 and the lower ruler 3 on the thigh and the calf, cover the fixing cover 11 on the patient's lower limb knee joint, and expose the patella from the opening 111, fasten the fixing belt 13 to fix the fixing cover 11, tighten the locking knob 15 to fix the upper ruler 2 and the lower ruler 3, slide the slide 41 along the upper ruler 2 and the lower ruler 3 respectively to adjust the leg circumference measurement position and record it on the record sheet, pass the other end of the soft tape measure 43 through the through slot 421, and pull the soft tape measure 4 At the other end, when the flexible splint 42 is pulled by the soft tape measure 43, it is retracted inwards and pressed against the skin of the lower limbs, and the distance a between the openings of the other ends of the two flexible splints 42 can be read according to the third scale line 431 on the soft tape measure 43. Since the width of the slide 41 and the length of the flexible splint 42 are constant values ​​b, the measured leg circumference is: a+b. By measuring the leg circumferences of the corresponding positions of the thigh and the calf respectively through the above method, the measurement of the leg circumference is completed and recorded on the record sheet. In the next measurement, the slide 41 is slid to the corresponding position according to the position of the leg circumference measurement recorded on the record sheet, and the above method can be repeated to measure the leg circumference and recorded on the record sheet.

[0037] Example 3

[0038] The inventor has found that in the daily care process of patients with deep vein thrombosis of the lower limbs, lower limb arteriosclerosis obliterans, lower limb swelling after arteriovenous puncture, etc., it is often necessary to measure the skin temperature of the patient's lower limbs to determine the blood circulation. At present, nursing staff generally measure it by hand or with a thermometer gun. The manual measurement has a large error, and the thermometer gun measurement increases the workload of nurses. The inventor believes that if the skin temperature can be measured at the same time as the daily leg circumference measurement, the nursing efficiency will be improved. Therefore,

[0039] Based on Example 1 or 2, refer to the attached Figure 5 , 6 A temperature sensor 44 is provided on the side of the slide 41 facing the patient's lower limbs, and a temperature display 45 is provided on the side of the slide 41 facing away from the patient's lower limbs. The temperature sensor 44 is electrically connected to the temperature display 45; a battery for powering the temperature sensor 44 and the temperature display 45 is also integrated in the slide 41. The temperature sensor 44 can be a patch-type temperature sensor, which has a large contact area with the skin and can measure skin temperature by contacting the skin.

[0040] The method of using the leg circumference measuring device in this embodiment is as follows: the leg circumference measuring method is the same as the method in Example 1. When measuring the leg circumference, since the side of the slide 41 facing the patient's lower limb will contact the skin of the lower limb, the temperature sensor 44 will measure the skin temperature of the lower limb and display it through the temperature display 45, and the displayed skin temperature can be recorded on the record sheet.

[0041] Obviously, modifications and / or additions of components can be made to the above-mentioned leg circumference measuring device and the corresponding method without departing from the field and scope of the present invention.

[0042] It is also clear that although the utility model has described the leg circumference measuring device in detail, those skilled in the art will certainly be able to obtain many other equivalent forms of leg circumference measuring devices and corresponding methods, which have the characteristics described in the claims and are therefore within the scope of the protection field defined thereby.

Claims

1. A leg circumference measuring device, characterized in that: It comprises a fixing component (1), an upper ruler (2), a lower ruler (3) and a leg circumference measuring component (4), wherein the fixing component (1) is fixed on the knee joint of the patient's lower limb, and the upper ruler (2) and the lower ruler (3) are installed in opposite directions, with one end connected to the side of the fixing component (1); The leg circumference measuring assembly (4) comprises a slide seat (41) sliding along the upper scale (2) or the lower scale (3) and a leg circumference measuring piece connected to the slide seat (41), the leg circumference measuring piece surrounds the lower limb to measure the leg circumference, and the upper scale (2) and the lower scale (3) are respectively marked with a first scale line (23) and a second scale line (33) indicating the sliding distance of the slide seat (41); The leg circumference measuring piece comprises a flexible splint (42) and a soft tape measure (43), one end of the two arc-shaped flexible splints (42) are respectively fixedly connected to the opposite side of the slide seat (41), so that an annular clamping cavity is formed between the slide seat (41) and the two flexible splints (42), and an opening for the patient's lower limbs to enter the clamping cavity is formed between the other ends of the two arc-shaped flexible splints (42), one end of the soft tape measure (43) is fixedly connected to the other end of one flexible splint (42), and a through groove (421) for the soft tape measure (43) to pass through is provided at the other end of the other flexible splint (42), and a third scale line (431) is provided on the soft tape measure (43).

2. The leg circumference measuring device according to claim 1, characterized in that: The fixing assembly (1) comprises a fixing cover (11) and a fixing belt (13); the fixing cover (11) is provided with a receiving cavity for receiving a knee joint and an opening (111) for exposing a patella; the fixing belt (13) is connected to the fixing cover (11) via a connecting block (12); the fixing belt (13) fixes the fixing cover (11) to the knee joint of a patient's lower limb.

3. The leg circumference measuring device according to claim 1, characterized in that: A screw rod (14) and a locking knob (15) screwed onto the screw rod (14) are provided on the side of the fixing assembly (1); a first mounting hole (21) and a second mounting hole (31) are provided at one end of the upper scale (2) and the lower scale (3); the upper scale (2) and the lower scale (3) are sleeved onto the screw rod (14) through the first mounting hole (21) and the second mounting hole (31) respectively; and the upper scale (2) and the lower scale (3) can be fixed onto the screw rod (14) through the locking knob (15).

4. The leg circumference measuring device according to claim 3, characterized in that: A first groove (22) is provided on the back side of one end of the upper scale (2) provided with the first mounting hole (21), and a second groove (32) is provided on the front side of one end of the lower scale (3) provided with the second mounting hole (31), the first groove (22) and the second groove (32) being adapted to each other, so that the upper scale (2) and the lower scale (3) are connected in a staggered manner through the first groove (22) and the second groove (32), and the first mounting hole (21) and the second mounting hole (31) are aligned.

5. The leg circumference measuring device according to claim 1, characterized in that: A through slot (411) for the upper scale (2) or the lower scale (3) to pass through is provided on the slide seat (41), and a rubber layer is fixedly provided on at least part of the side surface of the through slot (411), the rubber layer abutting against the upper scale (2) or the lower scale (3).

6. The leg circumference measuring device according to claim 1, characterized in that: A temperature sensor (44) is provided on the side of the slide (41) facing the patient's lower limbs, and a temperature display (45) is provided on the side of the slide (41) facing away from the patient's lower limbs. The temperature sensor (44) is electrically connected to the temperature display (45).

7. The leg circumference measuring device according to claim 1, characterized in that: The scale range of the first scale line (23) and the second scale line (33) is 0-15 cm.

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