Robert Jones and Agnes Hunt Orthopaedic Hospital – Introduce 3D printing into their surgical planning

Case Study

//Robert Jones and Agnes Hunt Orthopaedic Hospital – Introduce 3D printing into their surgical planning
Robert Jones and Agnes Hunt Orthopaedic Hospital – Introduce 3D printing into their surgical planning2018-12-07T15:40:25+00:00

Robert Jones and Agnes Hunt Orthopaedic Hospital – Introduction

The Robert Jones and Agnes Hunt Orthopaedic Hospital NHS Foundation Trust (RJAH) is a leading orthopaedic centre of excellence. A specialist hospital with a reputation for innovation, the Trust provides a comprehensive range of musculoskeletal (bone, joint and tissue) surgical, medical and rehabilitation services; locally, regionally and nationally.

The organisation is a single site hospital based in Oswestry, Shropshire, close to the border with Wales. As such, the Trust serves the people of both England and Wales, as well as acting as a national healthcare provider. It also hosts some local services which support the communities in and around Oswestry.

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In situ femur in the pelvis

Using the LC Pro in Surgical Planning

The Robert Jones and Agnes Hunt Orthopaedic Hospital in Oswestry, is a specialist orthopaedic hospital with a long tradition of innovation in treatment of their patients. Now looking to introduce 3D printing into their surgical planning, they have reached out to us to help make this a reality. Traditionally 3D printing for surgery is a very time-consuming and expensive process, but here at Photocentric we are working to significantly lower these barriers, as it has the potential to dramatically improve patient care and recovery rates.

A Complex Hip Operation

Mr Nigel Kiely is an orthopaedic surgeon at the Robert Jones and Agnes Hunt Orthopaedic Hospital, specialising in children’s orthopaedics. Using models produced on an LC Pro printer, he recently helped with planning a complex femoral osteotomy in a juvenile patient who had a hip deformity. To aid with the planning of this procedure, we 3D printed out the top portion of the femur.

bones process

The Importance Of A Good Segmentation

In juvenile patients the bone is not fully fused, so the un-ossified tissue will not always be clear in a CT scan. As such, automatic segmentation may not capture all the features of the area of interest. In this case, both an automatically processed and manually processed model were produced to see the difference this made to the appearance of the model. A full in-situ print of the right femur was also created to help explain the procedure to the patient and their family, so easy comparison could be made with a healthy joint.

Mr Kiely was able to plan the necessary cuts in advance, along with pre-shaping the implant needed for successful correction. It enabled a thorough appreciation of the deformity and the surgical team were also to perform the osteotomy on the model and pre-plan the surgery.
This type of practice before the operation is valuable in such complex cases.

The cost benefits of 3D printing for surgery

The use of 3D printed bones and being about to pre-plan the surgery allowed Mr Nigel Kiely to save time in the theatre. The cost in theatre-approx 1 hour at approximately £1200 per hour, which these 3D prints saved the NHS over £1000.  3D printing gives the potential to save the time patients spend in the theatre, stopping complex problems arising during surgery while giving the patient better care and recovery times.

Model Material Cost / £ Print preparation & finishing cost / £
Hip Model 15.00 12.50
Automatically Processed  3.00 12.50
Manually Processed  4.20 12.50
Totals 22.20 37.50
Grand Total £59.70

The 3D Printer Used

The Liquid Crystal Pro is a high-resolution large format printer ideal for very large 3D printing requirements. It can produce large sized objects at a fraction of the cost of other 3D printers. The Pro is also ideal for making multiple smaller parts in one go. The beauty of the LCD screen is that if you make one piece or 50 pieces on the platform, the print time will be the same!

Ideal for designers, engineers, doctors and industrial prototypes. It can produce large sized objects at a fraction of the cost of other 3D printers.

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