Joint Surgeons in Germany

Gelenk Klinik Orthopaedic Clinic

Alte Bundesstrasse 58

D-79194 Gundelfingen


fon: +49-761-55 77 58 28

fax: +49-761-58 974 650

The Orthopedic Clinic Gelenk-Klinik has been certified as one of the main centers of endoprosthetic knee surgery in Germany

Patella (Knee Cap) Dislocation Requires Urgent Treatment

Longterm effects of patella dislocation

Each episode of patella dislocation can cause irreparable damage to the cartilage surface of the patella. In many cases the dislocation results in osteochondral shear fractures. Loose bone or cartilage fragments may lock the joint, which may lead to further cartilage damage at other parts of the joint. There is also the risk of tearing the intra-articular ligaments of the articular capsule.

Kneecap dislocation can cause recurrent patellar instability

After an initial acute kneecap dislocation, about 50% of patients develop recurrent patellar instability if treatment is not managed properly. The probability of retropatellar chondral damage or a patellar chondropathy increases considerably with each dislocation. For this reason the treatment aim is to stabilise the kneecap and avoid further patella subluxations, to provide pain relief and, in the long term, to avoid arthritis developing in the knee joint.

After patella subluxation osteochondral fragments are reattached

After a first subluxation without further risk factors, patients usually undergo non-surgical treatment such as physical therapy. However if there are risk factors which may cause further dislocation or recurrent dislocation, surgery may be required. In the case of a shear fracture (a detached osteochondral fragment) the main priority is to reattach the fragment. If this is not possible, the fragment should be removed, in order to prevent further cartilage damage.

Surgical reconstruction of knee cap position by suture

If there is an isolated tear of the proximal intra-articular ligaments of the kneecap without the presence of further risk factors, the suture and plication of the tissue concerned (use of a medial double-plating technique) are necessary.

Surgical reconstruction of knee cap position by autogenic tendon grafts

There are different surgical reconstruction techniques, but all make use of an autogenic tendon graft, in most cases a semitendinosus graft. Usually the tendon is attached to the kneecap via a borehole to the femur, by means of a resorbable screw, or onto the adductor magnus tendon without a screw. Results for all methods are good, but if extensive cartilage lesions are present, this may have a negative influence on the outcome of the operation.

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Orthopaedic Clinic Germany

orthopedic clinic and surgeon in Germany

MVZ Gelenk-Klinik
Orthopaedic Clinic

ISO 9001:2008 certified quality

Alte Bundesstrasse 58

D-79194 Gundelfingen


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Location of Gelenk-Klinik Gundelfingen
View Details of the location
  • Distance to EURO-Airport Basel: 80 km (45 mins)
  • Distance to Zurich: 161 km (1h 40)
  • Distance to Frankfurt: 259 km (2h 20)

Centre for Arthroplasty

Center of Excellence in Arthroplasty

Certified Centre for Arthroplasty (Centre for Endoprosthesis)