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3D printing

Anatomical models - 3D printing in medicine

Currently, the free, as well as the paid version of Bone Extractor offers bone model export to a file in format that allows for its 3D print. We want to contribute to the medical care not only by the development of specialized software for orthopaedists. Therefore, we present an offer of model production using additive manufacturing technologies.

Any model print

We do not limit our offer to printing models created in our application. We also do models associated not only with medicine, but also with any other domain. We only need the virtual model provided in .stl format. In case of undertaking the task, we will price the model and we will present the offer the client.

Orders execution

Models are printed mainly in polyamide. The material can be sterilised in autoclave. There is no problem to do the print in a different material. We invite you to the consultation on the matter, as well as on the additive technology selection. The print can also be smoothed on request. Delivery time is 2 working days at least.

Contact

All questions related to the printing please send to info@optimedi.pl. We consult also by phone: +48 59 3070670.

How to print a model with OptiMedi?

  1. Export the model to a file in .3dm or .stl format.
  2. Send the model to us via e-mail to the address info@optimedi.pl. Bone Extractor older than version 1.6.1 exports models to much larger files.
  3. We will prepare the model to printing, price the order and plan the production.
  4. As a response we will send you an offer of the sent model 3D print, including costs of order fulfilment, shipping and payment options and in case of no preferences - suggested technologies and materials.
  5. You can accept the offer or cancel it, without incurring any costs.
  6. After the payment we print the model and ship it to you.

Selective laser sintering (SLS)

For the manufacture of polyamide products we apply selective laser sintering technique. The print is being built layer by layer on a platform that is lowered after each layer printing, therefore SLS can be named as incremental object forming technology.

Every time a thin layer of powder is applied to the platform and the current print top. The advantage of this technology is the ability to use a variety of polymer, ceramic and metal powders. After the layer application the powder is heated to temperatures close to or above the boiling point (the material can be sintered or melted). The raw material is heated only in points where it should be in the final product's tissue, thanks to computer controlling of the laser beam direction.

This way, the powder particles are fused together in certain places to form the solid print portion. When the layer is already sintered, the platform is lowered together with the printout and unbound powder and then the next layer is applied. After all the layers are exposured, the product needs only to be cooled and extracted from the powder. The final processing, such as grinding and polishing is optional. Often there is need to do it, because the selective laser sintering technology provides sufficient precision. The method can be used whenever there is a need to produce a small amount of durable elements.

Direct metal laser sintering (DMLS)

This technology differs from selective laser sintering in that the used material is always metal.

PolyJet

A method of incremental forming of objects. An item is constructed by overlapping its successive horizontal layers on a declining platform. The stand is lowered after the application of each layer by its thickness.

Used materials are light-cured acrylic resins. The apparatus on the fly mixes together in varying proportions two types of resins having different mechanical properties, so that the printed item may be characterized by various parameters within its own body.

The raw material is jetted by hundreds of very small nozzles. Freshly applied material is illuminated by a UV lamp. When it is necessary to support overhangs or delicate structures, easily removable support of the gel-like material is printed.

Sample 3D-prints

Smoothed femur head model

Femur head model, exported from Bone Extractor. The virtual model was smoothed by us before printing.

  • Technology: selective laser sintering.
  • Material: polyamide.
  • Precision: 0,1 mm.
  • Pixel spacing in DICOM series: 0,51 mm.
  • Section spacing in DICOM series: 1,25 mm.
Bone part model with visible marrow canal

Bone part model with visible marrow canal, exported from our orthopaedic application.

  • Technology: selective laser sintering.
  • Material: polyamide.
  • Precision: 0,1 mm.
  • Pixel spacing in DICOM series: 0,391 mm.
  • Section spacing in DICOM series: 1,25 mm.
Bone part model with corroded head

Bone part model with visible corrosion of its head, exported from our orthopaedic application.

  • Technology: selective laser sintering.
  • Material: polyamide.
  • Precision: 0,1 mm.
  • Pixel spacing in DICOM series: 0,351 mm.
  • Section spacing in DICOM series: 1,25 mm.
Thigh bone fragment model with applied drill guiding tool

Thigh bone fragment model with applied drill guiding tool. Bone model exported from Bone Extractor.

  • Technology: selective laser sintering.
  • Material: polyamide.
  • Precision: 0,1 mm.
  • Pixel spacing in DICOM series: 0,351 mm.
  • Section spacing in DICOM series: 1,25 mm.
Personalised dental guide

Personalised dental drill guiding tool.

Orthopaedic individual guide

Orthopaedic individual drill guiding tool.

  • Technology: selective laser sintering.
  • Material: polyamide.
  • Precision: 0,1 mm.
PolyJet resin sampler

PolyJet technology resin sampler.

  • Technology: PolyJet.
  • Material: resins.
Demonstration metal print

Demonstration metal print with visible internal details.

  • Technology: direct metal laser sintering.
  • Material: maraging steel.
  • Precision: 0,02 mm.
Printed balls on spring

Three balls on a base with a spring. The two most external balls comprise another free balls.

  • Technology: selective laser sintering.
  • Material: polyamide.
  • Precision: 0,1 mm.