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The TOOLMED DPO Locking Plate (Titanium) is a precision-engineered implant specifically developed for Double Pelvic Osteotomy (DPO) in veterinary orthopedics. This specialized plate is used to stabilize the ilium following a corrective osteotomy aimed at increasing the acetabular coverage of the femoral head in young dogs with hip dysplasia. Manufactured from high-strength medical-grade Ti-6Al-4V Titanium alloy, the plate features a specific stepped or "cranked" geometry to accommodate the necessary rotation of the pelvic segment. By utilizing fixed-angle locking technology, the DPO plate provides superior stability in the thin cortical bone of the pelvis, allowing for secure fixation of the osteotomy site. Its low-profile design minimizes soft tissue interference, while the biocompatible Titanium construction reduces the risk of long-term implant-related complications. The TOOLMED DPO Locking Plate is an essential component for surgeons performing advanced pelvic realignments to prevent the progression of degenerative joint disease.
Veterinary Orthopedic
TOOLMED
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1 Pcs
5-7 days
Product Description
The plate features a pre-defined "crank" or step that automatically facilitates the required lateral rotation of the acetabular segment during the DPO procedure.
The locking screw-to-plate interface creates a rigid construct that prevents screw loosening, which is vital in the thin, flat bones of the pelvis where traditional screws often fail.
Fabricated from Ti-6Al-4V, offering superior fatigue strength to withstand the complex biomechanical loads of the canine pelvis while ensuring maximum biocompatibility.
Designed to sit flush against the lateral surface of the ilium, reducing the risk of impingement on the gluteal muscles and surrounding neurovascular structures.
The primary indication for DPO. Used in young patients with clinical signs of hip laxity but without significant secondary osteoarthritic changes, providing the stability needed to redirect the acetabulum.
Indicated for cases requiring increased dorsal coverage of the femoral head. The plate stabilizes the ilium after a double cut (ilium and pubis), allowing for a controlled increase in the Norberg angle.
Specifically designed for surgical techniques where the ischium remains intact (Double Pelvic Osteotomy), providing a more rigid construct compared to Triple Pelvic Osteotomy (TPO) plates.
Used to bridge and compress the osteotomy site in the iliac wing, ensuring primary bone healing and maintaining the corrected pelvic orientation throughout the recovery period.
| Product | REF | Specification | T/W/L(mm) | Matched Parts |
| DPO Locking Plate | 030210752001 | 20° Left | 3.2*20*44 | 3.5 Ti Head Lock Screw |
| 030210762011 | 20° Right | 3.2*20*44 | 3.5 Ti Head Lock Screw | |
| 030210772501 | 25° Left | 3.2*20*44 | 3.5 Ti Head Lock Screw | |
| 030210782511 | 25° Right | 3.2*20*44 | 3.5 Ti Head Lock Screw | |
| 030210793001 | 30° Left | 3.2*20*44 | 3.5 Ti Head Lock Screw | |
| 030210803011 | 30° Right | 3.2*20*44 | 3.5 Ti Head Lock Screw |
The DPO (Double Pelvic Osteotomy) Locking Plate (Titanium) is a specialized internal fixation device used in veterinary orthopedic surgery to treat canine hip dysplasia. Unlike standard trauma plates, the DPO plate has a unique stepped profile designed to facilitate and stabilize the lateral rotation of the acetabular segment after the ilium has been cut. Manufactured from medical-grade Ti-6Al-4V Titanium alloy, the plate utilizes fixed-angle locking screw technology. This is critical for pelvic surgery, as the locking mechanism allows the plate to function as an internal fixator, providing rigid stability in the thin cortical bone of the ilium without requiring compression against the bone surface, which helps preserve the blood supply to the osteotomy site.
This plate is primarily applied in the surgical correction of juvenile hip dysplasia in dogs, typically between 5 and 9 months of age. The DPO procedure involves osteotomies of the ilium and pubis to allow for the rotation of the acetabulum, thereby improving the coverage of the femoral head. The DPO Locking Plate is used to secure the iliac osteotomy in its new, rotated position. Because the ischium is left intact in a DPO (unlike a Triple Pelvic Osteotomy), the plate must be strong enough to withstand significant tension and rotational forces while the bone heals. It is also used in complex pelvic fracture repairs where a stepped reconstruction is required to restore anatomical alignment.
The primary advantage of the TOOLMED DPO Locking Plate is its ability to provide immediate post-operative stability, which is essential for early weight-bearing in veterinary patients. The Titanium alloy construction offers a modulus of elasticity closer to bone than stainless steel, reducing the effect of stress shielding and promoting faster bone union. Furthermore, the locking screw technology minimizes the risk of implant failure in the soft or thin bone of young patients. The specialized "stepped" design of the plate significantly simplifies the surgical procedure by ensuring the correct degree of acetabular rotation is achieved and maintained consistently.
Biomechanically, the DPO Locking Plate acts as a rigid bridge across the iliac osteotomy. When the patient walks, the plate absorbs the bending and torsional forces that would otherwise cause the osteotomy to collapse or the screws to pull out. By locking the screws into the plate, the system creates a "fixed-angle" construct. This means the screws cannot toggle or move independently of the plate, which is crucial in the pelvis where there is limited bone volume for screw purchase. This biomechanical arrangement ensures that the redirected acetabulum remains in the precise orientation needed to provide optimal femoral head coverage during the healing process.
The surgical technique involves a lateral approach to the ilium. After performing the pubic and iliac osteotomies, the acetabular segment is rotated laterally. The DPO Locking Plate is then applied to the dorsal surface of the ilium. A neutral screw is usually placed first to position the plate. Threaded drill guides are essential to ensure the locking screws are inserted at the correct fixed angle to engage the plate’s threads. Once the distal and proximal locking screws are tightened, the rotation of the acetabular segment is locked into place. Final positioning and the Norberg angle are then verified using intraoperative or postoperative radiographs.
Postoperative care requires strict activity restriction for the animal for 6-8 weeks to allow for bony union of the osteotomy. For the veterinary hospital, the maintenance of the DPO instrument set is vital. Because these procedures involve young bone, all drills and threaded guides must be in perfect condition to avoid overheating or damaging the bone. Titanium plates are single-use implants; they must never be re-sterilized or re-used if they have been previously shaped or implanted. The entire instrument tray should be sterilized using a standard steam autoclave at 134°C. Screwdriver tips must be inspected regularly to ensure they can apply the necessary torque to the locking screws without stripping.
The TOOLMED DPO Locking Plate (Titanium) provides veterinary surgeons with a high-performance, stable, and biocompatible solution for the treatment of juvenile hip dysplasia. Its specialized anatomical design and rigid locking technology ensure the best possible long-term outcomes for joint health and mobility in young canine patients.
DPO plates are used when the ischium is not cut, making the procedure less invasive and the construct more stable than a TPO. DPO plates are specifically designed to handle the higher mechanical tension of an intact ischium.
Different degrees of rotation are needed depending on the severity of the hip dysplasia. The stepped plate allows the surgeon to select the specific degree of rotation required to optimize femoral head coverage for that specific patient.
Titanium is preferred because it is more biocompatible and has a lower modulus of elasticity, which is healthier for the developing bone of young dogs and reduces the risk of stress shielding.
No, the DPO plate is anatomically contoured for either the left or right ilium to accommodate the specific rotation of the acetabulum on each side. You must select the correct orientation for the procedure.
The pelvic bone is often very thin. Locking screws do not rely on compression against the bone for stability, meaning they are much less likely to pull out or "toggle" in the thin iliac wing compared to traditional cortical screws.
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