Lower limb circumference measuring device

Abstract

The utility model discloses a lower limb circumference measuring device in the technical field of medical instruments, and aims to solve the problems that in the prior art, in order to be suitable for people with different physical signs, a lower limb circumference measuring device is usually arranged to be long, so that the device is inconvenient to store, and the device is prone to collision and deformation during storage. The device comprises a first main rod and a second main rod, the first main rod is hinged to the second main rod, detection mechanisms are arranged on the outer walls of the first main rod and the second main rod, a connecting plug is arranged on the outer wall of the first main rod, and a fixing mechanism for fixing the connecting plug is arranged on the outer wall of the second main rod; the first main rod and the second main rod can be folded, so that the length of the device is reduced, the device is convenient to store, the practicability of the device is guaranteed, the pressure resistance of the folded device can be improved, the device is not convenient to deform due to collision during storage, and the service life of the device is guaranteed.

Description

Technical Field

[0001] The utility model relates to a lower limb circumference measuring device, belonging to the technical field of medical equipment. Background Art

[0002] When patients with lower limb deep vein thrombosis have swelling in the affected limb, the circumference of the lower limb needs to be measured. The steps for medical staff to measure the circumference of the patient's lower limb are as follows: mark the upper and lower edges of the patella and measure the midpoint of the patella; mark 15 cm above the midpoint of the patella and 10 cm below the main rod of the midpoint of the patella; place the upper edge of the tape measure 15 cm above the midpoint of the patella, measure the circumference of the limb and mark the lower edge of the tape measure; place the lower edge of the tape measure 10 cm below the main rod of the midpoint of the patella, measure the circumference of the limb and mark the upper edge of the tape measure. In order to achieve better prevention and treatment effects, during the nursing period, nursing staff need to measure the circumference of the lower limb every day and compare the measurement results of the affected limb with those of the healthy limb to prevent further deterioration of edema and the occurrence of lesions.

[0003] In order to be suitable for people with different physical signs, existing lower limb circumference measurement devices are usually set to be longer. Long devices increase the difficulty of storage when not in use, making the devices inconvenient to store. They are also prone to collisions and deformation during storage, which affects the service life of the devices. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a lower limb circumference measuring device to solve the problem that the lower limb circumference measuring device is usually set to be longer in order to be suitable for people with different physical signs. A longer device increases the difficulty of storage when not in use, making the device inconvenient to store and prone to collision and deformation during storage.

[0005] In order to solve the above technical problems, the utility model is implemented by adopting the following technical solutions:

[0006] The utility model provides a lower limb circumference measuring device, comprising a first main rod and a second main rod, wherein the first main rod is hinged to the second main rod, the outer walls of the first main rod and the second main rod are both provided with a detection mechanism, a plug joint is provided on the outer wall of the first main rod close to the second main rod, and a fixing mechanism for fixing the plug joint is provided on the outer wall of the second main rod;

[0007] The fixing mechanism includes a through hole opened on one side of the outer wall of the second main rod, the through hole is located on one side of the plug connector, an installation cavity is opened in the second main rod on one side of the through hole, a slidingly connected plug rod is provided in the installation cavity, one end of the plug rod extends to the outside of the second main rod, and the other end of the plug rod extends to the inside of the through hole, and a fixing hole matching the plug rod is provided on the outer wall of the plug connector close to the installation cavity.

[0008] Furthermore, a limit plate is sleeved on the outer wall of the insertion rod inside the installation cavity, and the limit plate is slidably connected to the inner wall of the installation cavity. A spring is sleeved on the outer wall of the insertion rod inside the installation cavity, one end of the spring is fixedly connected to the inner wall of the installation cavity, and the other end of the spring is fixedly connected to the limit plate.

[0009] Furthermore, the detection mechanism includes two sliders, the outer walls of the first main rod and the second main rod are both provided with slide rails, the two slide rails are respectively slidably connected to the two sliders, and a measuring tape is provided on one side of the outer wall of the slider.

[0010] Furthermore, a connecting block is provided at one end of the first main rod, and a hanging ring is provided on one side of the outer wall of the connecting block.

[0011] Furthermore, a semicircular sleeve is symmetrically provided on one side of the outer wall of the first main rod and the second main rod away from each other, and a fitting groove is opened on one side of the outer wall of the semicircular sleeve. When the two semicircular sleeves are in contact, the two fitting grooves can be assembled to form a cavity for placing the knee.

[0012] Furthermore, positioning lights are symmetrically provided on one side of the outer wall of the first main rod and the second main rod away from each other, and the positioning lights are located on one side of the semicircular sleeve.

[0013] Furthermore, a nursing pad is provided on one side adjacent to the outer wall of the first main rod and the second main rod.

[0014] Furthermore, the outer walls of the first main rod and the second main rod are both provided with scale lines, and the outer wall of the sliding block is provided with a pointer.

[0015] Furthermore, an outer wall of the plug connector is provided with an arc surface on one side close to the plug rod, and the arc surface matches one end of the through hole.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. The lower limb circumference measuring device can fold the first main rod and the second main rod, thereby reducing the length of the device, making the device easy to store, ensuring the practicability of the device, and the folded first main rod and the second main rod can increase the pressure resistance, so that the device is not easy to deform due to collision when stored, ensuring the service life of the device;

[0018] 2. When the device is in working state, the two fitting grooves can be assembled to form a cavity for placing the knee. When testing the patient, the patient's knee can be placed in the cavity, thereby playing a certain positioning role and preventing the device from sliding, thereby ensuring the stability of the device when working;

[0019] 3. In the utility model, when the plug connector moves to the inside of the through hole, the guide surface of the plug connector contacts the arc surface of the plug rod, thereby pushing the plug rod to slide toward the outside of the second main rod. When the fixing hole moves to one side of the plug rod, the spring can push the plug rod to move to the inside of the fixing hole. There is no need for medical personnel to control the plug rod, which makes the operation of the device easier and ensures the convenience of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of a lower limb circumference measuring device provided in an embodiment of the utility model when it is in a storage state;

[0021] Figure 2 It is a three-dimensional structural schematic diagram of a lower limb circumference measuring device provided according to an embodiment of the utility model when it is in a working state;

[0022] Figure 3 It is a three-dimensional structural schematic diagram of a plug connector and a mounting cavity provided according to an embodiment of the utility model.

[0023] In the figure: 1. first main rod; 2. second main rod; 3. plug connector; 4. through hole; 5. mounting cavity; 6. plug rod; 7. fixing hole; 8. spring; 9. slider; 10. slide rail; 11. measuring tape; 12. connecting block; 13. hanging ring; 14. semicircular sleeve; 15. fitting groove; 16. positioning light; 17. limit plate; 18. arc surface; 19. pointer; 20. scale line. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and cannot be used to limit the protection scope of the utility model.

[0025] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0027] like Figure 1-3 As shown, the utility model provides a lower limb circumference measuring device, including a first main rod 1 and a second main rod 2, the first main rod 1 and the second main rod 2 are hinged, the outer walls of the first main rod 1 and the second main rod 2 are both provided with detection mechanisms, the outer wall of the first main rod 1 is provided with a plug joint 3 on the side close to the second main rod 2, and the outer wall of the second main rod 2 is provided with a fixing mechanism for fixing the plug joint 3; the fixing mechanism includes a through hole 4 opened on one side of the outer wall of the second main rod 2, the through hole 4 is located on one side of the plug joint 3, an installation cavity 5 is opened in the second main rod 2 on one side of the through hole 4, a slidingly connected plug rod 6 is provided in the installation cavity 5, one end of the plug rod 6 extends to the outside of the second main rod 2, and the other end of the plug rod 6 extends to the inside of the through hole 4, and a fixing hole 7 matching the plug rod 6 is provided on the outer wall of the plug joint 3 close to the installation cavity 5.

[0028] Specifically, when the device is in the working state, the first main rod 1 and the second main rod 2 are coaxial, and the two are located on the same straight line. At this time, the detection mechanism can be controlled to perform measurement work on the patient. When the device is in the storage state, the insertion rod 6 is first pulled toward the outside of the second main rod 2, so that one end of the insertion rod 6 moves to the outside of the through hole 4, and the installation cavity 5 guides the insertion rod 6. Then the first main rod 1 and the second main rod 2 are relatively rotated, and the plug connector 3 moves with the first main rod 1, and the through hole 4 moves with the second main rod 2, until the outer wall of the first main rod 1 fits with the outer wall of the second main rod 2. At this time, the plug connector 3 moves to the through hole 4. On the inner side, the fixing hole 7 moves to one side of the insertion rod 6, and then the insertion rod 6 is pushed to move toward the through hole 4, so that one end of the insertion rod 6 moves to the inside of the fixing hole 7, and the relative positions of the first main rod 1 and the second main rod 2 are fixed by the insertion rod 6 and the plug connector 3, and the storage work of the device is completed; the device can fold the first main rod 1 and the second main rod 2, thereby reducing the length of the device, making the device easy to store, ensuring the practicality of the device, and the folded first main rod 1 and the second main rod 2 can increase the pressure resistance, so that the device is not easy to deform due to collision when stored, thereby ensuring the service life of the device.

[0029] like Figure 3As shown, in one embodiment, the outer wall of the insertion rod 6 is provided with a limit plate 17 inside the installation cavity 5, and the limit plate 17 is slidably connected to the inner wall of the installation cavity 5. The outer wall of the insertion rod 6 is provided with a spring 8 inside the installation cavity 5, one end of the spring 8 is fixedly connected to the inner wall of the installation cavity 5, and the other end of the spring 8 is fixedly connected to the limit plate 17.

[0030] Specifically, when the insertion rod 6 is pulled to move toward the outside of the second main rod 2, the limit plate 17 moves with the insertion rod 6, and the spring 8 is compressed. When the fixing hole 7 moves to one side of the insertion rod 6, the insertion rod 6 is released at this time, and the spring 8 pushes the limit plate 17 to return to its original position. The installation cavity 5 guides the limit plate 17. At this time, the insertion rod 6 moves toward the through hole 4 to fix the position of the plug connector 3. After the insertion rod 6 is released, the spring 8 can ensure that one end of the insertion rod 6 is located inside the fixing hole 7, thereby preventing the plug connector 3 from detaching, ensuring the stability of the device during operation. At the same time, the resetting effect of the spring 8 ensures the convenience of the staff when operating the insertion rod 6.

[0031] like Figure 1-2 As shown, in one embodiment, the detection mechanism includes two sliders 9, the outer walls of the first main rod 1 and the second main rod 2 are both provided with slide rails 10, the two slide rails 10 are respectively slidably connected to the two sliders 9, a measuring tape 11 is provided on one side of the outer wall of the slider 9, the outer walls of the first main rod 1 and the second main rod 2 are both provided with scale lines 20, and the outer wall of the slider 9 is provided with a pointer 19.

[0032] Specifically, when measuring a patient, the slider 9 can slide along the length direction of the slide rail 10, so as to adjust the positions of the slider 9 and the measuring tape 11 to meet actual work needs. At the same time, when adjusting the position of the slider 9, the measurement position and length can be determined by the cooperation of the scale line 20 and the pointer 19, thereby ensuring the practicability of the device.

[0033] In one embodiment, a connecting block 12 is provided at one end of the first main rod 1, and a hanging ring 13 is provided on one side of the outer wall of the connecting block 12. When the device is in the storage state, the hanging ring 13 and the connecting block 12 can cooperate to hang the entire device, further ensuring the convenience of storing the device and preventing the device from being subjected to external pressure.

[0034] like Figure 1-2As shown, in one embodiment, a semicircular sleeve 14 is symmetrically provided on one side of the outer wall of the first main rod 1 and the second main rod 2 away from each other, and a fitting groove 15 is opened on one side of the outer wall of the semicircular sleeve 14. When the two semicircular sleeves 14 are in contact, the two fitting grooves 15 can be assembled to form a cavity for placing the knee; when the device is in working state, the two fitting grooves 15 can be assembled to form a cavity for placing the knee. When the patient is tested, the patient's knee can be placed in the cavity, thereby playing a certain positioning role, while avoiding the sliding of the device, ensuring the stability of the device when working.

[0035] In one embodiment, positioning lights 16 are symmetrically provided on one side of the outer wall of the first main rod 1 and the second main rod 2 away from each other. The positioning lights 16 are located on one side of the semicircular sleeve 14. When in use, the two positioning lights 16 can illuminate the patient's knees to guide positioning and facilitate use by medical staff.

[0036] In one embodiment, a nursing pad is provided on one side of the outer wall adjacent to the first main rod 1 and the second main rod 2 to increase the comfort of the patient when using the device. The nursing pad can be replaced to prevent the patient from being contaminated by germs.

[0037] like Figure 3 As shown, in an embodiment, an arcuate surface 18 is provided on the outer wall of the plug connector 3 near one side of the insertion rod 6, and the arcuate surface 18 matches one end of the through hole 4. Optionally, a guide surface is provided at the bottom end of the insertion rod 6. When the first main rod 1 and the second main rod 2 are stored and the plug connector 3 moves to the inside of the through hole 4, the arcuate surface 18 plays a guiding role. At this time, one end of the insertion rod 6 is located inside the through hole 4 due to the action of the spring 8. When the plug connector 3 moves to the inside of the through hole 4, the guide surface of the plug connector 3 contacts the arcuate surface 18 of the insertion rod 6, thereby pushing the insertion rod 6 to slide toward the outside of the second main rod 2. When the fixing hole 7 moves to one side of the insertion rod 6, the spring 8 can push the insertion rod 6 to move to the inside of the fixing hole 7. There is no need for medical personnel to control the insertion rod 6, which makes the operation of the device simpler and ensures the convenience of the device.

[0038] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A lower limb circumference measuring device, characterized in that: The invention comprises a first main rod (1) and a second main rod (2), wherein the first main rod (1) is hinged to the second main rod (2), the outer walls of the first main rod (1) and the second main rod (2) are both provided with detection mechanisms, a plug connector (3) is provided on the outer wall of the first main rod (1) close to the second main rod (2), and a fixing mechanism for fixing the plug connector (3) is provided on the outer wall of the second main rod (2); The fixing mechanism comprises a through hole (4) formed on one side of the outer wall of the second main rod (2), the through hole (4) being located on one side of the plug connector (3), a mounting cavity (5) being formed in the second main rod (2) on one side of the through hole (4), a slidingly connected plug rod (6) being provided in the mounting cavity (5), one end of the plug rod (6) extending to the outside of the second main rod (2), and the other end of the plug rod (6) extending to the inside of the through hole (4), and a fixing hole (7) matching the plug rod (6) being provided on the outer wall of the plug connector (3) close to the mounting cavity (5).

2. The lower limb circumference measuring device according to claim 1, characterized in that: A limit plate (17) is sleeved on the outer wall of the insertion rod (6) inside the installation cavity (5), and the limit plate (17) is slidably connected to the inner wall of the installation cavity (5). A spring (8) is sleeved on the outer wall of the insertion rod (6) inside the installation cavity (5), and one end of the spring (8) is fixedly connected to the inner wall of the installation cavity (5), and the other end of the spring (8) is fixedly connected to the limit plate (17).

3. The lower limb circumference measuring device according to claim 1, characterized in that: The detection mechanism comprises two sliders (9), the outer walls of the first main rod (1) and the second main rod (2) are both provided with slide rails (10), the two slide rails (10) are respectively slidably connected to the two sliders (9), and a measuring tape (11) is provided on one side of the outer wall of the slider (9).

4. The lower limb circumference measuring device according to claim 1, characterized in that: A connecting block (12) is provided at one end of the first main rod (1), and a hanging ring (13) is provided on one side of the outer wall of the connecting block (12).

5. The lower limb circumference measuring device according to claim 1, characterized in that: A semicircular sleeve (14) is symmetrically provided on one side of the outer wall of the first main rod (1) and the second main rod (2) away from each other, and a fitting groove (15) is provided on one side of the outer wall of the semicircular sleeve (14). When the two semicircular sleeves (14) are in contact, the two fitting grooves (15) can be assembled to form a cavity for placing the knee.

6. The lower limb circumference measuring device according to claim 5, characterized in that: Positioning lights (16) are symmetrically provided on one side of the outer wall of the first main rod (1) and the second main rod (2) away from each other, and the positioning lights (16) are located on one side of the semicircular sleeve (14).

7. The lower limb circumference measuring device according to claim 1, characterized in that: Nursing pads are provided on adjacent sides of the outer walls of the first main rod (1) and the second main rod (2).

8. The lower limb circumference measuring device according to claim 3, characterized in that: The outer walls of the first main rod (1) and the second main rod (2) are both provided with scale lines (20), and the outer wall of the sliding block (9) is provided with a pointer (19).

9. The lower limb circumference measuring device according to claim 1, characterized in that: An arcuate surface (18) is provided on the outer wall of the plug connector (3) close to the plug rod (6), and the arcuate surface (18) matches one end of the through hole (4).

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