Osseointegration Surgical Procedure

 

The implantation of the OGAP-OPL is performed in either a single surgery or over two stages depending on the patients existing conditions and suitability.

As no two osseointegration patients are identical, the surgical process will vary slightly from patient to patient depending on their condition and needs.

 

The first stage will generally involve:

  • The soft tissue is managed and redundant skin and soft tissue fat are removed in order to minimise the bone to skin distance. This leads to a reduced chance of complications. The muscle groups are rearranged to serve a functional purpose in operating the leg and the soft tissue facial layer is reorganised around the stem.
  • The bone residuum is reshaped and any bone spurs are removed.
  • The bone canal is prepared using a specialised instrument. The internal component of the implant is press fitted into the bone canal securing early stability and future bone ingrowth.
  • If there is a neuroma causing nerve pain the nerves involved will be addressed surgically by excision of the painful neuroma and deep positioning of the residual nerve into the muscle group to minimise future nerve issues.
  • The stump is refashioned in a cosmetic manner and the wound is closed in layers.

 

A period of six to eight weeks takes place after the first stage to allow for osseointegration. This is then followed by the second stage.

 

Involved in the second stage is:

  • The creation of a circular skin opening (the stoma) at the base of the stump. Through this opening the dual cone adaptor is connected to the internal stem, which is already integrated in the bone. The remaining components of the prosthesis can then be attached externally.

 

If the surgery is performed in a single stage, all of the above will take place during the one procedure.

 

Partial weight-bearing and the fitting of the lower prosthesis can take place as early as a few days after the second surgery. This is done under careful supervision of the osseointegration team. It is now that the rehabilitation stage and gait training can begin.

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Osseointegration Group of AustraliaNorwest Advanced OrthopaedicsDrummoyne Advanced Specialty ServicesThe Sports & Arthritis Clinic NorwestNorwest Advanced Specialty Services