The AMIS method - derived from 'Anterior Minimally Invasive Surgery' - has revolutionized hip arthroplasty. This minimally invasive surgical technique enables the implantation of an artificial hip joint without significantly impairing the surrounding muscle structures. It represents a paradigmatic shift in endoprosthetics: away from invasive interventions towards gentle methods that enable faster rehabilitation and overall better patient care. But what exactly is behind the AMIS method, what benefits does it offer, and why is it ideally suited for short-stem prostheses? Read this comprehensive guide to learn everything about this innovative technique.

What is the AMIS method?

The AMIS method refers to an anterior, minimally invasive approach to hip surgery. This is done through the natural muscle gaps on the front of the thigh, so that no important muscles need to be severed.

Functionality in detail

Access point: The surgical incision is made along the anterolateral thigh in a length of approximately 8-12 cm.

Sparing of muscles: Between the tensor fasciae latae and the sartorius, access is gained through the natural cleavage plane.

Less tissue trauma: Muscles and tendons are only held aside – not severed.

Prosthesis implantation: The prosthesis is precisely positioned while respecting the natural biomechanics of the joint.

The AMIS method is based on the principles of anatomical preservation and minimal stress on the surrounding tissue, which significantly reduces postoperative complications.

Why has the AMIS method prevailed?

With the increasing demand for patient-friendly and efficient surgical methods, the AMIS method meets several requirements of modern medicine:

Reduced postoperative pain: Due to the preservation of the musculature, significantly less pain occurs.

Early Mobilization: Patients can often take their first steps again on the day of surgery.

Lower dislocation rates: The anterior approach minimizes the risk of prosthesis dislocation.

Cosmetic benefits: Small skin incisions leave discreet scars.

Another decisive advantage is the excellent suitability for the implantation of short-stem prostheses.

Benefits of the AMIS method at a glance

1. Faster rehabilitation

Patients can start with movement exercises just a few hours after the operation. Many are fully mobile again after just a few weeks.

2. Muscle and nerve preservation

The anterior approach is natural and minimally invasive, so that no important muscles or tendons are severed. The risk of nerve damage is also minimal.

3. Reduced complication rate

Due to the anatomical preservation, complications such as dislocations or muscle insufficiencies occur significantly less frequently.

4. Improved long-term results

Since the natural biomechanics are largely preserved, patients benefit in the long term from a high durability of the prosthesis.

The perfect combination – AMIS method and short stem prosthesis

The AMIS method is particularly well-suited for short-stem prostheses. These modern prosthesis types are characterized by lower invasiveness and better adaptation to the patient's own bone.

What is a short stem prosthesis?

Short-stem prostheses only replace the upper region of the femur. They require less bone material and offer better bone integration in young, active patients.

Benefits in combination with AMIS

Minimal access requirement: Short stem prostheses can be implanted without problems via the anterior access due to their size.

Preservation of bone: Due to the sparing bone removal, more native material is preserved.

Optimal load transfer: The natural force distribution in the femur is preserved.

Conclusion – Why the AMIS method is the future

The AMIS method combines the best of modern technology, minimally invasive procedures, and patient-centered care. In combination with short-stem prostheses, it offers an optimal solution for patients who value rapid rehabilitation, long-lasting results, and minimal strain. For many patients, it represents the gold standard in hip arthroplasty. A consultation at ENDOPROTHETICUM helps you find the right therapy for you.