Wyniki wyszukiwania - BazTech

1

Technics and Technology in the Problem of External Osteosynthesis

Jasińska-Choromańska D., Kołodziej D., Sadzyński I.

Machine Dynamics Problems

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2004

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Vol. 28, No. 3

139-144

EN

External osteosynthesis is a simple, versatile and effective method in the treatment of bone healing process, which uses bone screws to join the bone to a rigid erternal frame, which is generally made of metal or plastic. Methods of fracture healing belong to the oldest group in the history of medicine. New generation of external fixator has been equipped with the measuring system of the bone healing process, based on the intelligent systems. The paper presents some of the technical and technological problems related to design and clinical verification in external osteosynthesis.

2

Fracture Healing as a Process of Mechanical Changes of the Bone Tissue

Sadzyński I.

Machine Dynamics Problems

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2004

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Vol. 28, No. 4

95-100

EN

The paper presents methods and results of the assessment of elasticity modulus changes during fracture healing. Long bone fractures can be healed using external fixators - devices that stiffy fix fracture fragments using parallel to the bone, attached with pins frame. This method affords to take profits both from healing and diagnostics of fracture during osteogenesis. Osteogenesis can be precisely determined with mechanical properties like strength and elasticity inside the fracture slot. The treatment of long bone fractures by external fixators affords a unique opportunity to control the healing of the fracture by measuring the tension on the frame, that occurs under the load given to the bone and rely on the mechanical properties of the fracture. Elasticity modulus can be one of the best description methods of mechanical properties of the bone. It can also be used for more precise and direct description of changes of mechanical properties inside the fracture slot.

3

Mechanical properties and calcification during healing of fracture treated by external fixation

Jasińska-Choromańska D., Sadzyński I.

Elektronika : konstrukcje, technologie, zastosowania

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2004

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Vol. 45, nr 8-9

85-87

EN

Long bone fractures can be healed using external fixators - devices that stiffly fix fracture fragments using parallel to the bone, attached with pins frame. This method affords to take profits both from healing and diagnostics of fracture during osteogenesis. The treatment of long bone fractures by external fixators affords a unique opportunity to control the healing of the fracture by measuring the tension on the frame, that occurs under the load given to the bone and rely on the mechanical properties of the fracture. Elasticity modulus can be one of the best descrption methods of mechanical properties of the bone. It can also be used for more precise and direct description of changes of mechanical properties inside the fracture slot. The paper presents methods and results of the assessment of changes of mechanical properties during fracture healing in comparison with the process of calcification.

PL

Złamania kości długich mogą być leczone z wykorzystaniem osteosyntezy zewnętrznej - urządzeń, które sztywno utrzymują odłamy kostne w odpowiedniej pozycji za pomocą przymocowanej do kości z wykorzystaniem wkrętów ramy. Metoda ta wykorzystana może być zarówno do leczenia jak i do diagnozowania procesu leczenia. Leczenie z wykorzystaniem stabilizacji zewnętrznej pozwala na kontrolę procesu zrostowego przez pomiar obciążeń przenoszonych przez ramę stabilizatora pojawiających się podczas zadawania obciążeń na kość i zależnych od właściwości mechanicznych szczeliny złamania. Moduł sprężystości może być jedną z najlepszych metod opisu własności mechanicznych kości. Może być również użyty do opisu zmian własności mechanicznych szczeliny złamania. Artykuł przedstawia metodę i rezultaty oceny zmian własności mechanicznych szczeliny złamania w porównaniu z procesem mineralizacji tkanki podczas leczenia złamania.

4

Monitoring Techniques of Bone Fracture Healing Using External Fixators

Jasińska-Choromańska D., Sadzyński I.

Engineering Transactions

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2003

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Vol. 51, iss.2-3

255-265

EN

Long bone fractures can be healed using external fixators - devices that stiffly fix the fractured fragments, attached to the bone by pins parallel to the bone frame. This method enables to benefit both from healing and diagnostics of fracture during osteogenesis. Osteogenesis, traditionally diagnosed using X-rays methods (RTG, densitometry), can also be more precisely determined with mechanical properties like strength and stiffness inside the fracture slot. The treatment of long bone fractures by external fixators offers a unique opportunity to control the healing of the fracture by measuring the compression forces on the frame, that occurs under the load applied to the bone and depends on the mechanical properties of the fracture. The procedure of measurement of the compression force on the frame can be performed using tensometers, what is a cheap and simple method, and can be performed by the patient at home. The measurement of osteogenesis gives a possibility of more precise diagnostics of the fracture. It can also be combined with computer techniques like artificial intelligence. The paper presents one of the methods of monitoring the bone fracture healing.