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A method for measuring bone mineral density based on a bone mineral density test card

A technology of bone density and test card, applied in the medical field, can solve the problem of not considering the interference factors of equipment, and achieve the effect of easy production and measurement, stable value, and not easy to be scrapped.

Pending Publication Date: 2019-01-08
吴贤忠
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  • Application Information

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Problems solved by technology

However, this patent is calculated by means of formula functions. Many correction parameters need to be obtained through experience, and the interference factors of the equipment itself are not considered, so it cannot be said that the measurement results are accurate enough.

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  • A method for measuring bone mineral density based on a bone mineral density test card
  • A method for measuring bone mineral density based on a bone mineral density test card
  • A method for measuring bone mineral density based on a bone mineral density test card

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Embodiment Construction

[0039] The technical solutions of the present invention will be further described in detail below in conjunction with specific embodiments.

[0040] The bone density measurement method based on the bone density test card of the present invention, the steps can be divided into:

[0041] (1) First make a bone density test card; Figure 5 As shown, the bone density test card is made of resin material, and the blank area 1 in the middle is hollowed out as the measurement part of the patient's body; there are 6 bone density modules 2 on the bone density test card, which are made of aluminum alloy material. Blocks, each with mineral content of 0.2, 0.5, 1.0, 1.5, and two reference values ​​of 0.8, 1.2 for different age groups in the region, respectively set on the two sides of the card, with 3 pieces on each side; All values ​​allow deviation, and the deviation value is used as the standard value.

[0042] (2) Calibrate the digital X-ray machine; expose the detector on the blank X...

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Abstract

The invention discloses a method for measuring bone density based on a bone density test card. The method comprises the following steps: manufacturing a bone density test card, calibrating a digital X-ray machine, measuring the bone density, correcting and calculating the bone density, etc. The invention also discloses a bone density testing card, which is a flat standard block made of a bone density module with a known mineral content value and arranged on one side or both sides of a blank card, and a blank area of the blank card is used as a measuring part of a patient's body. The inventionadopts a bone density test card and combines with computer technology to measure and calculate the bone density, avoiding the use of a special expensive single-energy or dual-energy X-ray bone densitometer, so that more local hospitals at the grass-roots level can also carry out routine bone density measurement. The invention can obtain relatively more accurate calculation results of bone densitymeasurement.

Description

technical field [0001] The invention relates to the field of medical technology, in particular to a method for measuring bone density based on a bone density test card. Background technique [0002] Bone mineral content (BMC) and bone mineral density (BMD) are important indicators for evaluating bone quality, which can reflect the health status of normal human bone tissue to a certain extent. Bone loss is systemic, and there is currently no effective treatment to restore it to normal. Therefore, it is particularly important to use a safe, simple and sensitive method for early diagnosis and prevention of osteoporosis. [0003] In 1963, Cameron and Sorenson invented the gamma photon absorptiometry (SPA), which was the first quantitative analysis method used in the diagnosis of osteoporosis. This method utilizes the principle that the absorption of radioactive substances by bone tissue is directly proportional to the content of bone minerals. The γ-photons emitted by the radi...

Claims

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Application Information

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IPC IPC(8): A61B6/00
CPCA61B6/505A61B6/5217
Inventor 李东华
Owner 吴贤忠
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