Lower limb circumference measuring device

Abstract

The utility model discloses a lower limb circumference measuring device which aims at solving the technical problems that in the prior art, the whole operation process of lower limb circumference measurement is tedious, time-consuming and labor-consuming. The circumferential diameter measuring device comprises a first patella belt and a second patella belt, the two ends of the first patella belt and the two ends of the second patella belt are installed in a sewing mode, a first binding belt and a second binding belt are installed at the two ends of the first patella belt and the second patella belt in a sewing mode respectively, and two flexible rulers are arranged above the first patella belt and the second patella belt. Zero scales of the two flexible rulers coincide and are fixedly connected, the bottom faces of the two flexible rulers are provided with hook-and-loop fasteners in a sewing mode, and the coincident position of the zero scales of the two flexible rulers is provided with a convex shell in a rotating mode. The positioning belt is pulled in the convex shell to enable the distance between the measuring ruler and the middle point of the patella to rapidly change by 15cm and 10cm, so that the lower limb circumference of a patient can be measured more simply, conveniently, time-saving and labor-saving.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of medical apparatus and instruments, and particularly relates to a lower limb girth measuring device. BACKGROUND

[0002] When a patient has lower limb edema, the girth of the lower limb needs to be measured. At present, the steps for a medical staff to measure the girth of the lower limb of a patient are as follows: marking the upper edge and lower edge of the patella and measuring the midpoint of the patella; marking 15 cm above the midpoint of the patella and 10 cm below the midpoint of the patella; placing the upper edge of a tape measure at the point 15 cm above the midpoint of the patella to measure the girth of the lower limb and mark the lower edge of the tape measure; and placing the lower edge of the tape measure at the point 10 cm below the midpoint of the patella to measure the girth of the lower limb and mark the upper edge of the tape measure. The midpoint of the patella needs to be located first, and then the midpoint of the patella is marked with a tape measure and a marker pen, and then the measuring points above and below the midpoint of the patella are marked to measure the girth. The whole operation process is relatively complicated, time-consuming and laborious. Therefore, a new lower limb girth measuring device is designed to change the above technical defects. SUMMARY

[0003] (1) Technical problem to be solved

[0004] In view of the defects of the prior art, the purpose of the utility model is to provide a lower limb girth measuring device, which aims to solve the technical problem that the girth of the lower limb is measured according to the prior art, and the whole operation process is relatively complicated, time-consuming and laborious.

[0005] (2) Technical scheme

[0006] In order to solve the above technical problems, the utility model provides a lower limb girth measuring device, which comprises a first patella belt and a second patella belt, the two ends of the first patella belt and the two ends of the second patella belt are sewn and installed, and the two ends of the first patella belt and the two ends of the second patella belt are respectively sewn and installed with a first bandage and a second bandage, two soft rulers are arranged above the first patella belt and the second patella belt, the zero scales of the two soft rulers coincide and are fixedly connected, a Velcro belt is sewn and installed on the bottom surface of the two soft rulers, a convex shell is rotatably installed at the position where the zero scales of the two soft rulers coincide, a positioning belt is slidably installed in the convex shell, a first clamping groove and a second clamping groove are formed in the outer surface of the convex shell, a first clamping strip and a second clamping strip are arranged on the top surface and the bottom surface of the positioning belt, a measuring ruler is fixedly installed at the end of the positioning belt away from the convex shell, a through hole is formed in the outer surface of the convex shell, a pressing plate is slidably installed in the convex shell, a pull rod is fixedly connected to the top surface of the pressing plate, the pull rod is slidably installed in the through hole, a spring is sleeved outside the pull rod, and the two ends of the spring are fixedly connected to the inner wall of the convex shell and the top surface of the pressing plate respectively, a limiting ring is installed at the bottom end of the first bandage, the second bandage is slidably installed in the limiting ring, and a magic tape is installed on the outer surface of the second bandage.

[0007] When the circumference measuring device is used, the first patella belt and the second patella belt are placed on the upper and lower sides of the patient's patella and abut against the first patella belt and the second patella belt, the second binding belt is pulled through the limiting ring in the reverse direction, the Velcro is adhered to the surface of the second binding belt for fixation, the first binding belt and the second binding belt are pulled to tighten and fix the two ends of the first patella belt and the second patella belt, then the soft ruler is adhered to the surface of the first patella belt and the second patella belt for fixation, the two soft rulers are observed to ensure that the length of the first patella belt and the second patella belt is consistent with the distance between the zero scales on the surfaces of the two soft rulers, the convex shell is located at the midpoint of the patella, the positioning belt is pulled in the convex shell to separate from the pressing plate, the positioning belt is pulled in the convex shell to make the first clamping strip enter the second clamping groove, at this time, the length of the positioning belt is fifteen centimeters, the measuring ruler is measured around the surface of the thigh of the patient, then the convex shell is rotated to make the measuring ruler located at the lower leg of the patient, the positioning belt is pulled to make the second clamping strip enter the first clamping groove, at this time, the distance between the surfaces of the positioning belt is ten centimeters, the measuring ruler is measured around the surface of the lower leg of the patient, when the lower limb circumference is measured, the first clamping strip and the second clamping strip are positioned, the positioning belt is pulled in the convex shell to make the distance between the measuring ruler and the midpoint of the patella fifteen centimeters and ten centimeters change rapidly, so that the patient can measure the lower limb circumference more conveniently and save time and effort.

[0008] Preferably, the outer surface of the second binding belt away from the two ends of the first patella belt and the one end of the second patella belt is conical. Through the setting of the conical second binding belt, the second binding belt is conveniently inserted into the limiting ring for installation.

[0009] Further, the two ends of the positioning belt are respectively provided with pull rings, and the material of the pull rings is silica gel. Through the setting of the pull rings, the positioning belt is conveniently pulled to move.

[0010] Further, the top end of the pull rod is fixedly connected with a handle. Through the setting of the handle, the pull rod is conveniently pulled to move, and hand slipping is prevented when the pull rod is pulled.

[0011] Further, the bottom surface of the pressing plate is provided with anti-skid lines. Through the setting of the anti-skid lines, the friction between the pressing plate and the surface of the positioning belt is increased, the pressing plate is prevented from slipping when the pressing plate presses the positioning belt to fix, and the stability of the positioning belt when fixed is increased.

[0012] (3) Beneficial effects

[0013] Compared with the prior art, the beneficial effects of the present application are as follows:

[0014] The utility model discloses a first patella band and second patella band cover at the patient's knee patella, and the first patella band and second patella band are respectively put to the upper and lower sides of the patient's patella and resist, and the second band is pulled through the limiting ring and is pulled reversely, and the magic tape is pasted to the second band surface fixed, and the first band and second band pull the first patella band and second patella band two ends and are fixed tightly, then hold the soft ruler and use the velcro to paste to the first patella band and second patella band surface fixed, through the observation two soft ruler surface zero point scale distance first patella band and second patella band length is consistent, makes the convex shell be located in the patella midpoint, realizes to the patient patella midpoint quick positioning, and the pull rod is pulled and is separated with the positioning band in the convex shell, and the positioning band is moved in the convex shell and makes the first card strip enter the second card groove, and the length of the positioning band is fifteen centimeters at this time, and the measuring scale is measured around the patient's thigh surface, then rotates the convex shell and makes the measuring scale be located in the patient's calf, then pulls the positioning band in the convex shell and pulls, and the second card strip enters the first card groove, and the distance of the positioning band surface is ten centimeters at this time, and the measuring scale is measured around the patient's calf surface, and when measuring the lower limb circumference, through the first card strip and second card strip positioning, the positioning band is pulled in the convex shell and makes the measuring scale distance patella midpoint length fifteen centimeters and ten centimeters quick change, and the patient measures lower limb circumference more simple and convenient, saves time and labour. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the three -dimensional structure schematic diagram of the circumference measuring device of the utility model;

[0016] Figure 2 It is the circumference measuring device of the utility model Figure 1 It is the enlarged structure schematic diagram of A place in the utility model;

[0017] Figure 3 It is the second patella band and first patella band of the circumference measuring device of the utility model and the structure schematic diagram of the structure for looking up;

[0018] Figure 4 It is the positioning band three -dimensional structure schematic diagram of the circumference measuring device of the utility model;

[0019] Figure 5 It is the section structure schematic diagram of the convex shell of the circumference measuring device of the utility model;

[0020] Figure 6 It is the three -dimensional structure schematic diagram of the convex shell of the circumference measuring device of the utility model.

[0021] The markings in the accompanying drawings are: 1. pull ring; 2. measuring ruler; 3. positioning belt; 4. soft ruler; 5. Velcro; 6. first strap; 7. limiting ring; 8. Velcro; 9. second strap; 10. second patellar strap; 11. convex shell; 12. first clip; 13. handle; 14. pull rod; 15. second clip; 16. through hole; 17. spring; 18. anti-slip groove; 19. pressure plate; 20. first slot; 21. second slot; 22. first patellar strap. DETAILED DESCRIPTION

[0022] This specific embodiment is a lower limb circumference measuring device, and its structural diagram is as follows Figures 1-6 As shown, the circumference measuring device includes a first patellar strap 22 and a second patellar strap 10, the two ends of the first patellar strap 22 and the two ends of the second patellar strap 10 are sutured and installed, and the two ends of the first patellar strap 22 and the second patellar strap 10 are sutured and installed with a first strap 6 and a second strap 9, respectively. Two soft rulers 4 are arranged above the first patellar strap 22 and the second patellar strap 10, and the zero point scales of the two soft rulers 4 coincide and are fixedly connected. A Velcro 5 is sutured and installed on the bottom surfaces of the two soft rulers 4. A convex shell 11 is rotatably installed at the overlap of the zero point scales of the two soft rulers 4, and a positioning belt 3 is slidably installed inside the convex shell 11. The outer surface of the convex shell 11 is provided with a first card slot 20 and a second card slot 2 1. The top and bottom surfaces of the positioning belt 3 are both the first clip 12 and the second clip 15. The end of the positioning belt 3 away from the convex shell 11 is fixedly installed with a measuring ruler 2. The outer surface of the convex shell 11 is provided with a through hole 16, and the inside of the convex shell 11 is slidably installed with a pressure plate 19. The top surface of the pressure plate 19 is fixedly connected with a pull rod 14, and the pull rod 14 is slidably installed inside the through hole 16. The outside of the pull rod 14 is provided with a spring 17, and the two ends of the spring 17 are respectively fixedly connected to the inner wall of the convex shell 11 and the top surface of the pressure plate 19. A limiting ring 7 is installed at the bottom end of the first strap 6, and the second strap 9 is slidably installed inside the limiting ring 7. The outer surface of the second strap 9 is installed with Velcro 8.

[0023] The outer surface of the second strap 9, away from both ends of the first patellar strap 22 and one end of the second patellar strap 10, is tapered. The tapered second strap 9 facilitates insertion of the second strap 9 into the retaining ring 7 for installation. Pull rings 1 are installed at both ends of the positioning strap 3, and the pull rings 1 are made of silicone. The pull rings 1 facilitate pulling the positioning strap 3 to move. The top of the pull rod 14 is fixedly connected to a handle 13. The handle 13 facilitates pulling the pull rod 14 to move, preventing slipping when pulling the pull rod 14.

[0024] In addition, the bottom surface of the pressing plate 19 is provided with anti-skid grooves 18. By setting the anti-skid grooves 18, the friction between the pressing plate 19 and the surface of the positioning belt 3 is increased, preventing the pressing plate 19 from sliding when pressing the positioning belt 3 and increasing the stability of the positioning belt 3 when fixed.

[0025] Working principle: when using the circumference measuring device of the technical solution, the first patella belt 22 and the second patella belt 10 are covered on the patient's knee patella, the first patella belt 22 and the second patella belt 10 are respectively placed on the upper and lower sides of the patient's patella and abut, the second belt 9 is pulled through the limiting ring 7 and pulled in the opposite direction, the magic tape 8 is pasted to the surface of the second belt 9 for fixation, the first belt 6 and the second belt 9 pull the two ends of the first patella belt 22 and the second patella belt 10 to be fixed, then the soft ruler 4 is held and the hook-and-loop tape 5 is pasted to the surface of the first patella belt 22 and the second patella belt 10 for fixation, the length of the first patella belt 22 and the second patella belt 10 is observed to be consistent with the distance between the two soft rulers 4 surface zero scales, the convex shell 11 is located at the midpoint of the patella, the midpoint of the patient's patella is quickly positioned, the pull rod 14 with the pressing plate 19 is pulled and separated from the positioning belt 3 in the convex shell 11, the positioning belt 3 is pulled and moved in the convex shell 11 so that the first clamping strip 12 enters the second clamping groove 21, the length of the positioning belt 3 is fifteen centimeters from the length of the convex shell 11 to the measuring ruler 2, the measuring ruler 2 is wrapped around the surface of the patient's thigh to measure the circumference, then the convex shell 11 with the positioning belt 3 is rotated to make the measuring ruler 2 located at the patient's lower leg, then the positioning belt 3 located at the convex shell 11 is pulled to make the second clamping strip 15 enter the first clamping groove 20, the distance on the surface of the positioning belt 3 is ten centimeters from the distance of the convex shell 11 to the measuring ruler 2, and the measuring ruler 2 is wrapped around the surface of the patient's lower leg to measure the circumference, when measuring the circumference of the lower limb, the first clamping strip 12 and the second clamping strip 15 are positioned, the positioning belt 3 is pulled in the convex shell 11 to make the measuring ruler 2 distance the midpoint of the patella fifteen centimeters and ten centimeters to quickly change, so that the patient measures the circumference of the lower limb more simply, saving time and effort.

[0026] All the technical features in the embodiment can be freely combined according to actual needs.

[0027] The above embodiment is a preferred implementation scheme of the utility model, in addition to this, the utility model can be realized in other ways, and any obvious replacement without departing from the technical solution concept is within the protection scope of the utility model.

Claims

1. A lower limb circumference measuring device, comprising a first patellar belt (22) and a second patellar belt (10), characterized in that: The two ends of the first patellar strap (22) and the two ends of the second patellar strap (10) are sutured and installed, and the two ends of the first patellar strap (22) and the second patellar strap (10) are sutured and installed with a first strap (6) and a second strap (9), respectively. Two soft rulers (4) are arranged above the first patellar strap (22) and the second patellar strap (10), and the zero point scales of the two soft rulers (4) coincide and are fixedly connected. Velcro (5) is sutured and installed on the bottom surfaces of the two soft rulers (4). A convex shell (11) is rotatably installed at the overlapped position of the zero point scales of the two soft rulers (4), and a positioning belt (3) is slidably installed inside the convex shell (11). The outer surface of the convex shell (11) is provided with a first card slot. (20) and a second card slot (21), the top and bottom surfaces of the positioning belt (3) are both the first card strip (12) and the second card strip (15), the positioning belt (3) is fixedly installed with a measuring ruler (2) at one end away from the convex shell (11), the outer surface of the convex shell (11) is provided with a through hole (16), and the interior of the convex shell (11) is slidably installed with a pressure plate (19), the top surface of the pressure plate (19) is fixedly connected with a pull rod (14), and the pull rod (14) is slidably installed inside the through hole (16), the outside of the pull rod (14) is provided with a spring (17), and the two ends of the spring (17) are respectively fixedly connected to the inner wall of the convex shell (11) and the top surface of the pressure plate (19).

2. The lower limb circumference measuring device according to claim 1, characterized in that: A limiting ring (7) is installed at the bottom end of the first binding strap (6), and the second binding strap (9) is slidably installed inside the limiting ring (7), and a Velcro (8) is installed on the outer surface of the second binding strap (9).

3. The lower limb circumference measuring device according to claim 2, characterized in that: The outer surface of the second binding strap (9) away from both ends of the first patellar strap (22) and one end of the second patellar strap (10) is tapered.

4. The lower limb circumference measuring device according to claim 3, characterized in that: Pull rings (1) are respectively installed at both ends of the positioning belt (3), and the material of the pull rings (1) is silicone.

5. The lower limb circumference measuring device according to claim 4, characterized in that: The top end of the pull rod (14) is fixedly connected to a handle (13).

6. The lower limb circumference measuring device according to claim 5, characterized in that: The bottom surface of the pressing plate (19) is provided with anti-slip grooves (18).

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