Surgical Technique
13
Positioning the patient for surgery
Surgery is performed while the patient is
supine.
The operation can be performed with or
without tourniquet. It is recommended to use
a flexible cover for the leg which allows a
stable positioning of the knee joint in 90° of
flexion.
Most of the surgical steps are performed in
this position.
Surgical procedure
The skin incision can be a midline or a
parapatellar incision.
If scars are present from skin incisions made
during previous operations, use these for
access is advisable in order to reduce the
risk of cutaneous blood flow disorders.
Medial arthrotomy or an approach adapted
to the pathologic situation is recommended.
After the usual preparation (meniscus
resection, removal of osteophytes and
synovectomy if necessary), the cruciate
ligaments are sectioned and, if needed, the
collateral ligaments are removed close
to the bone.
Implant components removal
In case of an implant revision, where
components must be removed at the
beginning of the surgery, Smith & Nephew
with the RENOVATION™ Knee set, offers the
surgeons a knee specific implant extraction
system that contents different instrument
options to facilitate the removal of different
femur and tibia components (loose first and
then extract).
The instrument set consists of a basic set
(no. SAP 75210243 / 0944290) and sterile
packaged, single-use chisel-blades and
saw-blades (see surgical technique Lit. No.
04044 (2025).
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