All You Need To Know About Different Types of Suture Anchor And Its Complications

 Suture Anchors are the one that helps in connecting the soft tissues like tendons, ligaments, and meniscus. These are some of the essential sports medicine and even arthroscopic surgery. These anchors are effective and efficient in fixing the sift ligaments to the bone and both in the surgeries around the shoulder, elbow, wrist, and even in lower limb joints. The primary task of the Suture Anchor is to attach the tissues to the proper site and to maintain the position without any further loosening. Also, maintaining them until physiological healing is one of the major functions as well. A perfect suture anchor is ideal and easy to handle and gives pull-out strength as well until it dissolves. With the suggestions coming about suture anchors, there have been variant types developed and designed to improve the effectiveness to get a firm tendon-to-bone repair. Listed out are the types of suture anchors:

Metallic Suture Anchor:

The first developed suture anchor is the metallic ones which were non-absorbable. It is made with a combination of metals or alone. Mostly, metal anchors are made from titanium and stainless steel. As titanium is stronger enough, it is predominantly used for orthopedic applications. Also, it can be combined with iron or aluminum. Stainless steel is more resistant to corrosion than regular ones and is way better stronger than pure iron. It is because stainless steel is an alloy of carbon, iron, and chromium. Even though metallic suture is effective and fixes the bones with the tendons stronger, it has some disadvantages. The loosening of the shoulder, incarceration of the metal anchors with the cavity, etc are the flaws.



Biodegradable Suture Anchors:

These are the anchors developed recently to overcome the complications of metallic suture anchors and Peek Anchor. When compared with the metallic anchors, biodegradable ones improved the biocompatibility and provided better post-surgical imaging. The materials used in creating these anchors are natural, synthetic, or biosynthetic polymers. Polyglycolic acid (PGA) is the first degradable polymer used to create suture anchors. But, these anchors were also associated with some challenges and started getting degradation because of the release of glycolic acid. It is even harmful causing inflammatory changes in the bones with sinusitis, and bursitis. Also, it had challenges like breakage of the anchors during implantation, fixation loss in the initial stage, and the incomplete burial of the anchors within the bone. 

All-soft Suture Anchors:

The All-soft suture anchors or the ASA are developed for minimizing the complexities of the other anchors during the implantation. The solid type anchors like polymer and metallic ones had greater complications. ASA or the All-Soft Suture Anchors has ultra high molecular weight polyethylene. The fixation differs from that of the usual screw-type suture anchors where here it is woven and the sleeve is cinched up to compress the overlaying cortical bone. It allows more bone preservation. Even if the anchor failure occurs, it minimizes the joint damage.  

Bio composite Suture Anchors:

These anchors are composed of both biodegradable polymer material and bio ceramic material. Beta Tri-calcium phosphate is the most commonly used bio ceramic material that helps to fill the bone defects as it has a similar content that of the bone. It has excellent compatibility. Hydroxyapatite is a natural mineral substance that is similar to that of the components in teeth and bones. Poly Lactic-go-glycolide is the bio composite material developed to promote absorption. The osteoconductivity gets improved in the implant site with the homogeneously developed Beta-Tri-calcium phosphate. 

Final Verdict: 

Are you still searching for information about Suture Anchor? Why worry? We, MJ Surgical, are here to help you out with the finest quality products for your implantations. We are the trusted and No.1 Orthopedic Implant manufacturer by healthcare experts with ISO certification. For further details and information, visit our Contact Us page.

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