Novel conic cannula for homogeneous injection of bone cements in the spine have been patented and developed. The new design is especially indicated for the injection of ceramic-based bone cements because the pressure drop developed along the cannula minimizes bone cement’s press filtering. Partners to further develop the technology and/or to establish commercial agreements along with technical cooperation are sought.
The Challenge
Is to minimize these problems as to extend the use of ceramic bone cements in the spine.
The Technology
The new conic cannula has been designed having in mind the influence of its geometry on both, the external pressure drop and the fluid flow velocity profiles established along its length. The new technology shows (when comparing to current double-length straight cannulas): a) a further reduction of the external pressure during the injection process; and b) continuous velocity profiles, which are optimum to minimize ceramic bone press filtering. The new conic cannulas can be easily manufactured.
Current stage of development
The computation results have been confirmed on several manufacture cannula prototypes.
Applications and Target Market
Multiple possible applications are envisaged, all related to the homogeneous injection of slurry-like, semisolid and/or viscous materials.
Several clinical target markets are possible: Dentistry, Orthopedics & Traumatology, etc.
Manufacturing Medical Devices Companies should be interested (consumables).
Innovative advantages
· The new conic, instead of straight, cannula further reduced the external pressure needed to inject the bone cement.
The new conic cannula developed continuous fluid flow velocity profiles along their length; these profiles are optimum to minimize ceramic bone press filtering.
The new conic cannula expands the clinical use of calcium phosphates bone cements (dentistry, orthopaedics and traumatology, spine, bone tissue engineering, etc.).
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