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Pasien kanker menerima 3 - D rusuk  yang dicetak

Date:

September 11, 2015

Source:

CSIRO Australia

Summary:

Setelah didiagnosa dengan sarkoma dinding dada , tim bedah pria Spanyol 54 tahun itu membuat keputusan untuk menghilangkan  tulang dada dan sebagian dari tulang rusuk dan menggantinya dengan implan . Penderita kanker ini sekarang telah menerima 3 - D dicetak titanium sternum dan tulang rusuk implan .

........ Implan ini dirancang dan diproduksi oleh perusahaan perangkat medis , Anatomics , yang menggunakan fasilitas pencetakan 3D CSIRO , Lab 22 di Melbourne , Australia ....more

Cancer patient receives 3-D printed ribs

Date:

September 11, 2015

Source:

CSIRO Australia

Summary:

After being diagnosed with a chest wall
sarcoma, a 54-year-old Spanish man's surgical team made the decision to remove
his sternum and a portion of his rib cage and replace it with an implant. This
cancer patient has now received a 3-D printed titanium sternum and rib implant.

...............

After being diagnosed with a chest wall
sarcoma, a 54-year-old Spanish man's surgical team made the decision to remove
his sternum and a portion of his rib cage and replace it with an implant.

The implant was designed and
manufactured by medical device company, Anatomics, who utilised the CSIRO's 3D
printing facility, Lab 22 in Melbourne, Australia.

The surgical team, Dr José Aranda, Dr
Marcelo Jimene and Dr Gonzalo Varela from Salamanca University Hospital, knew
the surgery would be difficult due to the complicated geometries involved in
the chest cavity.

The procedure has been described in
the European Journal of Cardio-Thoracic Surgery.

"We thought, maybe we could create
a new type of implant that we could fully customise to replicate the intricate
structures of the sternum and ribs," Dr Aranda said.

"We wanted to provide a safer
option for our patient, and improve their recovery post-surgery."

That's when the surgeons turned to
Anatomics.

After assessing the complexity of the
requirements, Anatomics CEO Andrew Batty said the solution lay in metallic 3D
printing.

"We wanted to 3D print the implant
from titanium because of its complex geometry and design," Mr Batty said.

"While titanium implants have
previously been used in chest surgery, designs have not considered the issues
surrounding long term fixation.

"Flat and plate implants rely on
screws for rigid fixation that may come loose over time. This can increase the
risk of complications and the possibility of reoperation."

Through high resolution CT data, the
Anatomics team was able to create a 3D reconstruction of the chest wall and
tumour, allowing the surgeons to plan and accurately define resection margins.

"From this, we were able to design
an implant with a rigid sternal core and semi-flexible titanium rods to act as
prosthetic ribs attached to the sternum," Mr Batty said.

Working with experts at CSIRO's 3D
printing facility Lab 22, the team then manufactured the implant out of
surgical grade titanium alloy.

"We built the implant using our
$1.3 million Arcam printer," Alex Kingsbury from CSIRO's manufacturing
team said.

"The printer works by directing an
electron beam at a bed of titanium powder in order to melt it. This process is
then repeated, building the product up layer-by-layer until you have a complete
implant.

"3D printing has significant
advantages over traditional manufacturing methods, particularly for biomedical
applications.

"As well as being customisable, it
also allows for rapid prototyping -- which can make a big difference if a
patient is waiting for surgery."

Once the prosthesis was complete it was
couriered to Spain and implanted into the patient.

"The operation was very
successful," Dr Aranda said.

"Thanks to 3D printing technology
and a unique resection template, we were able to create a body part that was
fully customised and fitted like a glove."







Story Source:

The above post is reprinted from materials provided by CSIRO Australia. The original item was written by Adam Knight. Note:
Materials may be edited for content and length.







Journal Reference:

1.   
José L. Aranda, Marcelo F. Jiménez,
María Rodríguez, Gonzalo Varela. Tridimensional titanium-printed
custom-made prosthesis for sternocostal reconstruction. European
Journal of Cardio-Thoracic Surgery, 2015; ezv265 DOI: 10.1093/ejcts/ezv265

http://www.sciencedaily.com/releases/2015/09/150911111046.htm

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