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114 results about "Bone strength" patented technology

Bone strength is the bone’s resistance to fracture. It is difficult to quantify exactly what makes up the ‘strength’ of bone. It is related to, but not equivalent with, bone mineral density (BMD).

Preparation method of microcarrier-cell compound with induction activity and application of compound

InactiveCN103990181AHigh activityGood for internal repairProsthesisFiberBone formation
The invention discloses a preparation method of a microcarrier-cell compound with induction activity and an application of the compound. The preparation method comprises the following steps: respectively using decalcified bone matrix particles and acellular dermal matrix micro particles to culture bone marrow mesenchymal stem cells for 7-21 days, differentiating into osteoblasts and fibroblasts to obtain an osteoblast-particle compound and a fibroblast-particle compound, and then, mixing evenly. The activity of the seed cells of the prepared product are higher, the product can be used for preparing repair material for treating lacunar bone defect and segmental bone defect, the in vivo repair effect is better, and the in vivo repair effect of tissue-engineered bone for more than two times; supporting cell components are added in the construction process of the tissue-engineered bone to promote the bone formation effect of bone parenchymal cells in bone formation in vivo, the new bone strength, the matrix component content and the calcification extent can be improved for 1.5-2 times, the utilization rate of the seed cells is obviously improved, the type of the bone repair seed cells is enriched, and the bone defect repair effect is greatly improved.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY

Opto-acoustic and ultrasonic dual-mode osteoporosis detection method and device

The invention discloses an opto-acoustic and ultrasonic dual-mode osteoporosis detection method and a detection device. The detection device is composed of two parts, namely a host machine and a probe, wherein the host machine comprises a laser device, a laser modulator, a collimating and coupling unit, a display module, an opto-acoustic mode changeover switch, an ultrasonic signal driver and a processor; the probe is composed of an acoustic emission focusing probe, a pre-amplifier, an ultrasonic transducer array and a transparent colloid; and the transparent colloid is attached on human skin. The device disclosed by the invention integrates opto-acoustic and ultrasonic advantages and solves the problem that an existing bone quality assessment DXA (dual X ray absorptiometry) cannot provide bone collagen information, while bone quality is determined by bone density and bone collagen, in which the bone density determines bone strength and the content of the bone collagen determines bone toughness; and a bone quality assessment capacity can be significantly improved by virtue of an opto-acoustic/ultrasonic imaging technology. The detection method and the detection device disclosed by the invention have the obvious advantages of being noninvasive, free from radiation, low in detection cost, accurate in assessment and the like.
Owner:UNIV OF ELECTRONIC SCI & TECH OF CHINA

Chitosan oligosaccharide bone-fortifying health-caring product and production method thereof

The invention belongs to the technical field of health-caring products, provides a chitosan oligosaccharide bone-fortifying health-caring product and a preparation method thereof and particularly relates to the chitosan oligosaccharide bone-fortifying health-caring product. The health-caring product is prepared by mixing chitosan oligosaccharide, extract of eucommia ulmoides, calcium carbonate, vitamin D3, glucosamine and chondroitin sulfate to obtain a mixture, performing granulation, drying granules, and finally adding an auxiliary material in a proper amount, mixing the mixture uniformly and filling capsules with the granules, and packaging the capsules to obtain the capsules for increasing bone density. The chitosan oligosaccharide composition is safe, is free of toxic and side effects, can tonify kidney and reinforce bone, can maintain bone strength and reduce bone fragility, can improve and increase bone density, promotes calcium absorption and generation of collagen in human body, can deeply regulate bone joints and repair bone tissue and has the significant effects of lubricating joint and strengthening tendon and bone. The chitosan oligosaccharide health-caring product can prevent and improve osteoporosis, can recover health of bone in osteoporosis, is safe and effective and has positive social significance.
Owner:JIANGXI NORMAL UNIV

Detachable multi-position ultrasonic bone strength instrument

InactiveCN102961162ASolve the problem that the bone strength of multiple parts of the human body cannot be detected at the same timeAchieve a reasonable matchUltrasonic/sonic/infrasonic diagnosticsInfrasonic diagnosticsBody measureContact force
The invention discloses a detachable multi-position ultrasonic bone strength instrument, comprising an ultrasonic probe box and a detachable probe module, wherein multiple ultrasonic probes with different frequencies and different sizes are mounted in the ultrasonic probe box, the detachable probe module comprises a clamping device and a force sensor, the clamping device is used for mounting the ultrasonic probes, the force sensor is used for detecting the contact force between the ultrasonic probes and a measured position, the output port of the detachable probe module is connected with an integrated signal acquisition and processing module through a signal wire, and the integrated signal acquisition and processing module is in bidirectional connection with a man-machine interaction module. According to the detachable multi-position ultrasonic bone strength instrument, corresponding ultrasonic probes are mounted according to different to-be-measured positions of a human body, the center frequency and the size of each ultrasonic probe are set according to the specific measured position of the human body, so that the ultrasonic probes are matched with the measured positions reasonably, one bone strength instrument can simultaneously detect the bone strength of multiple positions of the human body, and the measurement result can indicate the overall bone strength of the human body more accurately.
Owner:合肥中科博谐科技有限公司
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