Additive-manufactured porous polyetheretherketone scaffold and biological activity improvement method and application thereof
A technology of polyether ether ketone and additive manufacturing, which is applied in tissue regeneration, prosthesis, medical science, etc., and can solve problems such as inability to integrate osseointegration, hinder clinical application of PEEK composite materials, and high brittleness
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[0048] Example 1
[0049] This embodiment provides a method of improved the biological activity improvement of a porous polyether ether ketone bracket fabricated manufactured, which includes the steps of:
[0050] S1, design and use CATIA software modeling, using a porous polyether ether ketone bracket manufactured by adding materials made of φ14x3 using the FFF system, subjected to acetone, ethanol, distilled water, 3 times (30 min each time), then placed The spare was dried in a vacuum drying tank at 60 ° C to obtain a porous polyether ether ketone bracket (named PEEK) manufactured by the preprocessial additive manufactured.
[0051] The specific print parameters are: the print head diameter is 0.4mm, the printhead temperature is 420 ° C, the bottom plate temperature: room temperature, the tank temperature is 65 ° C, the printing speed is 30 mm / min, the print layer is 0.2 mm.
[0052] S2, the porous polyether ether ketone bracket fabricated after the above pretreatment was imm...
Example Embodiment
[0065] Example 2
[0066] This embodiment provides a method of improved the biological activity improvement of a porous polyether ether ketone bracket fabricated manufactured, which includes the steps of:
[0067] S1, design and use CATIA software modeling, using a porous polyether ether ketone bracket manufactured by adding materials made of φ14x3 using the FFF system, subjected to acetone, ethanol, distilled water, 3 times (30 min each time), then placed The mixture was dried in a vacuum drying tank at 50 ° C to obtain a porous polyether ether ketone bracket (named PEEK) manufactured by preprocessial additive manufactured.
[0068] The specific print parameters are: the print head diameter is 0.4mm, the printhead temperature is 420 ° C, the bottom plate temperature: room temperature, the tank temperature is 65 ° C, the printing speed is 30 mm / min, the print layer is 0.2 mm.
[0069] S2, the porous polyether ether ketone bracket fabricated after the above pretreated admixture w...
Example Embodiment
[0075] Example 3
[0076] This embodiment provides a method of improved the biological activity improvement of a porous polyether ether ketone bracket fabricated manufactured, which includes the steps of:
[0077] S1, design and use CATIA software modeling, using a porous polyether ether ketone bracket manufactured by adding materials made of φ14x3 using the FFF system, subjected to acetone, ethanol, distilled water, 3 times (30 min each time), then placed The mixture was dried in a vacuum drying tank at 70 ° C to obtain a porous polyether ether ketone bracket (named PEEK) manufactured by the preprocessial additive manufactured.
[0078] The specific print parameters are: the print head diameter is 0.4mm, the printhead temperature is 420 ° C, the bottom plate temperature: room temperature, the tank temperature is 65 ° C, the printing speed is 30 mm / min, the print layer is 0.2 mm.
[0079] S2, the porous polyether ether ketone bracket fabricated after the above pretreatment was i...
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