Leg circumference measuring scale

Abstract

The utility model provides a leg circumference measuring scale which comprises a measuring tape, a calibration assembly is arranged on one side of the measuring tape, a connector is arranged at the head end of the measuring tape, the tail end of the measuring tape can be inserted into the connector, dozens of scale holes arranged at intervals are formed in the measuring tape, and the scale holes in the tail end of the measuring tape and the scale holes in the head end of the measuring tape are overlapped. The whole measuring belt is in the same horizontal position; the head end of the measuring tape is also provided with a positioning point, and the positioning point can correspond to a dimension line on the measuring tape. According to the utility model, dozens of scale holes arranged at intervals are arranged on the measuring tape, the connector is arranged at the head end of the measuring tape, and after the tail end of the measuring tape is inserted into the connector, the scale holes at the tail end of the measuring tape are overlapped with the scale holes at the head end, so that the measuring tape can be ensured to be in the same horizontal position as a whole; by measuring the dimension line corresponding to the positioning point at the head end of the head, the leg circumference measuring point can be quickly and accurately found, and the accurate measuring value can be read.

Description

Technical Field

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

[0002] Deep vein thrombosis (DVT) in the lower extremities refers to the formation of blood clots within the lumen of a vein due to various reasons. Typical clinical manifestations are often unilateral lower extremity swelling and pain. The most serious clinical features and signs of DVT are pulmonary embolism, with a mortality rate as high as 9% to 50%, with the vast majority of deaths occurring within minutes to hours. Swelling in the patient's lower extremities and changes in limb circumference can reflect the improvement of venous thrombosis. Currently, clinical nurses often use a tape measure to measure the patient's leg circumference, measuring the thigh circumference approximately 15 cm above the patella and the calf circumference approximately 10 cm below the patella, and marking the areas with a marker. The following technical defects exist: when measuring with a tape measure, the nurse needs to hold the tape measure with both hands to operate. Since it is a manual measurement, it is impossible to accurately find the exact position 15 cm above and 10 cm below the patella. Different nursing staff will have large errors when measuring. Each person will hold the tape measure against the patient's leg to a different degree when measuring. Even if it is the same measurer, the degree of closeness between the tape measure and the leg will be different in different measurements. The bent tape measure will have errors because it is not on the same horizontal plane. The line marks will fade or disappear over time, which will also greatly affect the measurement results.

[0003] Therefore, how to design a leg circumference measuring ruler that can quickly and accurately find the leg circumference measurement point, and how to design a leg circumference measuring ruler that can solve the problem that the soft ruler deviates and is not on the same horizontal plane during measurement, have become issues that need to be solved urgently. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model provides a leg circumference measuring ruler to solve at least one of the above technical problems.

[0005] The technical solution of the utility model is: a leg circumference measuring ruler, comprising a measuring tape, a calibration component being provided on one side of the measuring tape, a connector being provided at the head end of the measuring tape, the tail end of the measuring tape being insertable into the connector, dozens of scale holes being provided on the measuring tape at intervals, the scale holes at the tail end of the measuring tape overlapping with the scale holes at the head end, ensuring that the measuring tape as a whole is in the same horizontal position; a positioning point being further provided at the head end of the measuring tape, the positioning point being able to correspond to a dimension line on the measuring tape.

[0006] The utility model adopts a measuring tape with dozens of scale holes arranged at intervals, and a connecting head is provided at the head end of the measuring tape. After the tail end of the measuring tape is inserted into the connecting head, the scale holes at the tail end of the measuring tape overlap with the scale holes at the head end, which solves the problem that the soft tape deviates and is not on the same horizontal plane during measurement, and can ensure that the measuring tape as a whole is in the same horizontal position; through the dimension line corresponding to the positioning point at the head end of the measuring tape, the leg circumference measurement point can be found quickly and accurately, and the accurate measurement value can be read. It is suitable for patients at high risk of venous thrombosis who need to observe limb swelling. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 It is a structural diagram of the present utility model.

[0008] In the figure: 1. Measuring tape; 2. Calibration assembly; 3. Connector; 4. Fixed ruler; 5. Scale hole; 6. Positioning point; 201. Calibration tape; 202. Calibration hole; 401. Observation hole. DETAILED DESCRIPTION

[0009] The present invention will be further described below with reference to the accompanying drawings.

[0010] See Figure 1 The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read. They are not used to limit the conditions for the implementation of this utility model, so they have no substantial technical significance. Any modification of the structure, change in the proportional relationship or adjustment of the size should still fall within the scope of the technical content disclosed by this utility model without affecting the efficacy and purpose that can be achieved by this utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and are not used to limit the scope of the implementation of this utility model. Changes or adjustments in their relative relationships should also be regarded as the scope of the implementation of this utility model without substantially changing the technical content.

[0011] Example 1: A leg circumference measuring ruler, referring to Figure 1The utility model comprises a measuring tape 1, wherein one side of the measuring tape 1 is provided with a calibration component 2, a connector 3 is provided at the head end of the measuring tape 1, and the tail end of the measuring tape 1 can be inserted into the connector 3. The measuring tape 1 is provided with dozens of spaced-apart scale holes 5, and the scale holes 5 at the tail end of the measuring tape 1 overlap with the scale holes 5 at the head end, ensuring that the measuring tape 1 as a whole is in the same horizontal position. The measuring tape 1 also has a positioning point 6 at the head end, which can correspond to the dimension line on the measuring tape 1. The utility model adopts the method of providing dozens of spaced-apart scale holes on the measuring tape and providing a connector at the head end of the measuring tape. When the tail end of the measuring tape is inserted into the connector, the scale holes at the tail end of the measuring tape overlap with the scale holes at the head end of the measuring tape, thereby solving the problem of the tape tape deviating from the same horizontal plane during measurement and ensuring that the measuring tape as a whole is in the same horizontal position. By using the dimension line corresponding to the positioning point at the head end of the measuring tape, the leg circumference measurement point can be quickly and accurately found and the accurate measurement value can be read. The utility model is suitable for patients at high risk of venous thrombosis who need to observe limb swelling.

[0012] Example 2: Based on Example 1, the calibration component 2 is fixedly mounted on the top of the measuring belt 1. This utility model uses a calibration component fixedly mounted on the top of the measuring belt, and measures the distance from the middle of the patella to the calf through the calibration component and the fixed ruler.

[0013] Example 3: Based on Example 1, the calibration assembly 2 includes a calibration tape 201. A graduated fixed ruler 4 is provided on one side of the inner wall of the calibration tape 201. The fixed ruler 4 is slidably inserted into the measuring tape 1 and can be inserted into or removed from the measuring tape 1. This utility model employs a fixed ruler that is slidably inserted into the measuring tape to secure the measuring ruler.

[0014] Example 4: Based on Example 3, the fixed ruler 4 has an observation hole 401, and the calibration tape 201 has several calibration holes 202 spaced apart. When the observation hole 401 overlaps with the calibration holes 202, the entire measuring tape 1 and the fixed ruler 4 are perpendicular at 90 degrees. This utility model uses the overlapping observation hole and calibration hole to ensure that the entire measuring tape and the fixed ruler are perpendicular at 90 degrees to measure the distance from the middle of the patella to the calf. The fixed measuring ruler prevents it from tilting.

[0015] 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 principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A leg circumference measuring ruler, comprising a measuring tape (1), characterized in that: The measuring tape (1) is provided with a calibration component (2) on one side, a connector (3) is provided at the head end of the measuring tape (1), and the tail end of the measuring tape (1) can be inserted into the connector (3). The measuring tape (1) is provided with dozens of scale holes (5) arranged at intervals, and the scale holes (5) at the tail end of the measuring tape (1) overlap with the scale holes (5) at the head end, ensuring that the measuring tape (1) as a whole is at the same horizontal position; the head end of the measuring tape (1) is also provided with a positioning point (6), and the positioning point (6) can correspond to the dimension line on the measuring tape (1).

2. A leg circumference measuring ruler according to claim 1, characterized in that: The calibration component (2) is fixedly mounted on the top of the measuring tape (1).

3. The leg circumference measuring ruler according to claim 1, characterized in that: The calibration component (2) comprises a calibration tape (201), and a fixed ruler (4) with a scale is provided on one side of the inner wall of the calibration tape (201). The fixed ruler (4) is slidably inserted into the measuring tape (1), and the fixed ruler (4) can be inserted into the measuring tape (1) or withdrawn from the measuring tape (1).

4. The leg circumference measuring ruler according to claim 3, characterized in that: The fixed ruler (4) has an observation hole (401), and the calibration tape (201) is provided with a plurality of calibration holes (202) arranged at intervals. When the observation hole (401) and the calibration hole (202) overlap, the entire measuring tape (1) and the fixed ruler (4) are perpendicular at 90 degrees.

Images