Bose Custom Columnar Docking Augment

Bose CCD Augment brochure

Custom Columnar Docking (CCD) Augment — divergent locking technology that simplifies complex revision acetabular defects into a "primary" type situation.

Innovative docking (CCD) technology

The patented Custom Columnar Docking technology is a novel concept for extended rigid fixation in narrow columnar corridors, using locking screws through plane-reorientation "dog-ears" in custom locations. Divergent locking in columnar bone docks the augment in a multiplanar matrix like a marine anchor, eliminating micromotion and enhancing success.

The challenge with current augments

• Prolonged OR time and difficulty fitting the augment to the bone defect.
• Non-rigid, tenuous constructs from uniplanar fixation, with screw locations that do not match areas of good bone stock.
• May require removal of critical bone to fit the augment.
• Sizes may not fit smaller patients, especially in Asia.

World's first 3D stability augment

Three types of screw, each with a distinct role in providing 3D stability:

• Compression screws (non-locking) — perpendicular to the augment, compressing it to host bone.
• Docking screws — CCD custom columnar divergent locking anchors the augment to bone in a multiplanar, clamp-like framework for an extremely rigid construct.
• Dome screws — passed through the highly porous standard cup and through special custom windows in the CCD augment for independent socket screw purchase.

Key advantages for surgeons and patients

• Precise fit — matches the defect precisely and self-locks, saving crucial OR time; suitable even for small patients.
• Surgical ease — seamless execution of the pre-op plan, with dedicated k-wire holes for provisional fixation.
• Patient safety — screw holes custom-made for bone corridors and screw lengths supplied pre-op, keeping screws away from critical structures.
• Unmatched stability — CCD screws work with dome and compression screws for 3D stability, reducing the risk of loosening.
• Versatile compatibility — compatible with any highly porous titanium cementless cup; bone cement unitises cup to augment.
• Best possible screw purchase — longer, divergent locking screws through narrow columnar corridors give a clamped construct.
• Enhanced osteointegration — construct rigidity plus a proprietary lattice structure for rapid osteointegration.
• Tailored low profile — the lowest possible profile for the situation, with custom windows so dome screws can access bone.
• Cost saving — significant reduction in OR time.
• Long-term success — patient-matched implant with 3D stability. Ideal for all Paprosky type 2 and 3 defects; not suitable for pelvic discontinuity.

How a case runs

• CT scan of the patient at 1 mm slice thickness is uploaded — our software handles metal artefacts from existing implants, so scan the patient with the implant in place.
• Patient-specific CCD augment specifications are sent for surgeon approval.
• The CCD augment and surgical details arrive within a short period, together with a small bone model sterilised for intra-op use.

Bose Augment surgical technique