Premium Nahrungsergänzungsmittel | artgerecht

Tendon Prosthesis: Types, Surgery and Rehab

A tendon prosthesis is an artificial implant used to replace a damaged or ruptured tendon when natural healing is no longer possible. It restores movement and function.

Regular tips about health Regular tips about health

Things worth knowing about "Tendon Prosthesis"

A tendon prosthesis is an artificial implant used to replace a damaged or ruptured tendon when natural healing is no longer possible. It restores movement and function.

What Is a Tendon Prosthesis?

A tendon prosthesis is a medical implant designed to replace a permanently damaged, ruptured, or non-functional tendon. Tendons are tough bands of connective tissue that connect muscles to bones, enabling the transfer of forces during movement. When a tendon is so severely injured or degeneratively altered that natural healing or direct suture repair is no longer possible, a tendon prosthesis can be implanted as a replacement.

Indications

A tendon prosthesis is considered when other treatment options are insufficient or not feasible. Common indications include:

Complete tendon rupture (total rupture), such as of the Achilles tendon or rotator cuff
Chronic tendon degeneration (tendinopathy) with irreparable tissue damage
Failure of a previous tendon repair or reconstruction
Infections or tumors requiring removal of tendon tissue
Congenital malformations of the tendons

Types of Tendon Prostheses

Biological Grafts

In many cases, the patient's own tendons (autologous grafts) or donor tendons (allograft) are used as a natural tendon replacement. While these are technically biological transplants, they are frequently discussed under the umbrella of tendon replacement in clinical practice.

Synthetic Tendon Prostheses

Fully artificial tendon prostheses are made from biocompatible materials such as polyethylene, polyester, or advanced high-performance polymers. Well-known examples include the Leeds-Keio implant and the LARS ligament system, which is particularly used in anterior cruciate ligament reconstruction. Synthetic prostheses have the advantage of avoiding donor-site morbidity.

Tissue Engineering-Based Prostheses

Cutting-edge approaches combine biodegradable scaffold structures with the patient's own cells to create tendon tissue in the laboratory. This technology is still largely in the research phase but has shown promising results.

Surgical Procedure

Implantation of a tendon prosthesis is typically performed under general or regional anesthesia. The surgeon removes the damaged tendon tissue and anchors the prosthesis to the surrounding bone or muscle structures. The surgical technique and approach vary depending on the location (e.g., hand, shoulder, knee, foot). Minimally invasive procedures (arthroscopic surgery) are preferred whenever possible.

Rehabilitation After a Tendon Prosthesis

Post-operative rehabilitation is critical to the success of the procedure. It typically includes:

Immobilization of the affected limb in the initial phase
Gradual physiotherapy to restore mobility and strength
Progressive strengthening and sport-specific rehabilitation
Regular follow-up examinations (clinical and imaging-based)

Full recovery can take anywhere from several months to over a year, depending on the location and type of prosthesis and the patient's overall health.

Risks and Complications

As with any surgical procedure, implantation of a tendon prosthesis carries certain risks:

Infection at the surgical site
Rejection reactions with synthetic materials
Loosening or failure of the prosthesis
Nerve or vascular injury
Scar tissue formation and restricted mobility
Deep vein thrombosis or embolism

Prognosis

The success of a tendon prosthesis depends on various factors, including the location of the tendon, the material used, the age and health of the patient, and the quality of post-operative rehabilitation. Modern synthetic and biological prostheses offer a good long-term prognosis in many cases and can significantly improve the patient's quality of life.

References

Maffulli N, Leadbetter WB, Renström P (eds.) - Tendon Injuries: Basic Science and Clinical Medicine. Springer, London, 2005.
Doral MN et al. - Functional anatomy of the Achilles tendon. Knee Surgery, Sports Traumatology, Arthroscopy, 2010; 18(5): 638-643. PubMed PMID: 19756543.
Sharma P, Maffulli N - Tendon Injury and Tendinopathy: Healing and Repair. Journal of Bone and Joint Surgery, 2005; 87(1): 187-202. PubMed PMID: 15634833.

Building Blocks for a Healthy Life

As an integrated manufacturer, we develop & produce evidence-based, patented, and non-patented formulations. We work exclusively with plant and natural extracts according to the strictest purity & quality standards.
The combination of science & modern technology with the laws of nature creates solutions consistently tailored to humans – for the highest good: health.

Most read entries

3 Posts in this encyclopedia category