Implantation of a Cushioning Injectable Implant Using Needle Arthroscopy in the Foot and Ankle and First Carpometacarpal Joint

Tobias Stornebrink, Alex Walinga, Miki Dalmau-Pastor, Anton W. Bosman, Theodoor H. Smit, Gino M.M.J. Kerkhoffs (Corresponding author)

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Injectable implants constitute a newly developed treatment class in the battle against osteoarthritis. They consist of water-formulated supramolecular polymer, coming from a new class of resorbable biomedical materials, and are implanted in encapsulated joints in a liquid form, where they solidify to form a tough, elastic, and cushioning layer between the joint surfaces. To resort any effect, intra-articular delivery should be guaranteed, and the implant should be distributed throughout the entire joint space. Traditional implantation techniques do not seem to suffice for this new implant class, being either imprecise (traditional injection) or overly invasive (open procedures and traditional arthroscopic surgery). We describe a needle arthroscopic implantation technique to reap the benefits of both worlds, ensuring precise implant delivery while avoiding unnecessarily invasive procedures. This study depicts our needle arthroscopic technique for implantation of injectable implants in the ankle, first metatarsophalangeal joint, and first carpometacarpal joint.

Originele taal-2Engels
Pagina's (van-tot)e2343-e2352
Aantal pagina's10
TijdschriftArthroscopy Techniques
Nummer van het tijdschrift12
StatusGepubliceerd - dec. 2023

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© 2023 The Authors


The authors report the following potential conflicts of interest or sources of funding: T.S., T.B., T.H.S., and G.K. are listed as inventors on (a) patent(s) (application(s)) related to the publication. T.B. is employed by and holds shares in SupraPolix B.V. G.K. received consultancy fees from Arthrex during the conduct of the study. Unrestricted research grants by the Marti-Keuning Eckhardt Foundation and the Friends of Aces Foundation are gratefully acknowledged. The Department of Orthopedic Surgery and Sports Medicine from the Amsterdam UMC received unrestricted research grants from Arthrex, outside the scope of this paper. All other authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper. Full ICMJE author disclosure forms are available for this article online, as supplementary material .

Friends of Aces Foundation
Marti-Keuning Eckhardt Foundation


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