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implant comprising a calcium salt-containing composite powder having microstructured particles
专利权人:
KARL LEIBINGER MEDIZINTECHNIK GMBH & CO. KG
发明人:
FRANK REINAUER,MARIJAN VUCAK,SIEGMUND LUGER
申请号:
BR112019004499
公开号:
BR112019004499A2
申请日:
2017.08.11
申请国别(地区):
BR
年份:
2019
代理人:
摘要:
The present invention relates to an implant comprising composite powder having microstructured particles, obtained by a process in which large particles are attached to small particles, wherein the large particles have an average particle diameter in the range of 10 µm to 10 mm. the large particles comprise at least one polymer, the small particles are arranged on the surface of the large particles and / or are distributed inhomogeneously within the large particles, the small particles comprise a calcium salt, the small particles have an average size of particle in the range 0.01 µm to 1.0 mm, wherein the composite powder particles have an average particle size (d50) in the range of 10 µm to less than 200 µm, and the fine proportion of the composite powder grain is less than 50% by volume. The object of the invention is therefore further selective laser sintering implants of a composition comprising a composite powder, especially as an implant for applications in the field of neurosurgery, oral, jaw, facial, neck and ear surgery, as well as hand, foot, chest, back and shoulder surgery.a presente invenção refere-se a um implante compreendendo pó compósito tendo partículas microestruturadas, obtido por um processo em que grandes partículas são ligadas a pequenas partículas, em que as grandes partículas têm um diâmetro médio de partícula na faixa de 10 µm a 10 mm, as grandes partículas compreendem pelo menos um polímero, as pequenas partículas são dispostas na superfície das grandes partículas e/ou são distribuídas de forma não homogênea dentro das grandes partículas, as pequenas partículas compreendem um sal de cálcio, as pequenas partículas têm um tamanho médio de partícula na faixa de 0,01 µm a 1,0 mm, em que as partículas do pó compósito têm um tamanho médio de partícula (d50) na faixa de 10 µm a menos de 200 µm, e a proporção fina do grão do pó compósito é inferior a 50% em volume. o objetivo da invenção é, portanto, ainda implantes obtidos por sinterização a lase
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