Bionate^® nucleus disc replacement: bench testing comparing two different designs.

"Declarations Ethics and approval consent to participateNot applicable. Consent for publicationNot applicable. Competing interestsThe authors declare that they have no competing interests relevant to this article. All authors certify that they have no affiliations with or involvement in any organization or entity with any financial interests (such as honoraria; educational grants; participation in speaker’s bureaus; membership, employment, consultancies, stock ownership, or other equity interest; and expert testimony or patent-licensing arrangements), or non-financial interests (such as personal or professional relationships, affiliations, knowledge or belief(s) in the subject matter or materials discussed in this manuscript). Competing interests The authors declare that they have no competing interests relevant to this article. All authors certify that they have no affiliations with or involvement in any organization or entity with any financial interests (such as honoraria; educational grants; participation in speaker’s bureaus; membership, employment, consultancies, stock ownership, or other equity interest; and expert testimony or patent-licensing arrangements), or non-financial interests (such as personal or professional relationships, affiliations, knowledge or belief(s) in the subject matter or materials discussed in this manuscript). "

"Funding This project received funding from the European Union’s 6th Framework Programme under project number IP 026599-s."