A dwarf patient suspected to have Achondroplasia is suffering from osteoarthritis in right knee. The patient is only 120 cm in height. Conventional instruments of the knee prosthesis supplier cannot be used. SurgiNovi provided patient-specific surgical guides for this patient in order to perform total knee arthroplasty. Details in presentation.

1. CUSTOM SURGICAL GUIDES FOR ORTHOPEDIC
SOLUTIONS
Total Knee Replacement
for Dwarf Patient (120 cm)
Shortest patient ever had a knee joint
replacement with off-the-shelf implants

2. Pre-operative x-rays shows
severe osteoarthritis in right knee
Height: 120 cm
Sex: Female
Age: 49 y

3. Implant Name: NexGen, Zimmer
Implant Size: Femur = C Tibia = 1
Total Knee Replacement

4. Due to her extreme short leg,
surgeons cannot use Zimmer
instruments to perform the
surgical operation.
As shown in image, the length
of conventional measurement
tool is too long for the patients
tibia.

5. Pre-operative
planning
Step 1: Obtain mechanical
axis of leg.
The patient has noticeable
valgus and flexion deformity

6. Pre-operative
planning
Step 2: 3D Reconstruction of
knee from CT-scan data

7. Pre-operative
planning
Step 3: Computer simulation
and planning of TKR procedure

8. Pre-operative
planning
Step 4: Design and 3D printing of
Surginovi 11-in-1 Femoral PST and TKR
Tibial PST surgical templates
http://surginovi.co.uk/SurgiNovi/KneeTkr

9. Surgical Preparations
SurgiNovi TKR templates only
requires the following instruments for
the entire TKR procedure:
1. Prosthesis for a single size (pre-planned)
2. SurgiNovi 11-in-1 and Tibial PST
3. Drill and Saw
4. Positioning pins
5. Different sizes for Polyethylene trials and
implants
6. Tibial impactor

10. Inter-operative
procedure

11. Post-operative outcomes

12. HQ
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United kingdom
Tel: +44 (0) 77 7040 5814
Fax: +44 (0) 20 8181 6265
info@surginovi.co.uk
Middle East
4 Yanbu St, off Mohy Eldin Abo Elezz,
Dokki, Giza, Egypt
Tel: +20 2 3748 8888
info@surginovi.co.uk
www.surginovi.co.uk
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