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The Acetabulum Instrument Set (HC) is a critical collection of reusable surgical tools specifically designed for the precise preparation of the hip socket (acetabulum) during Total Hip Arthroplasty (THA). The set typically includes a progressive series of Acetabular Reamers with various sizes and cutting geometries, an Acetabular Cup Impactor Handle, and trial components. These instruments are manufactured from high-grade, durable Surgical Stainless Steel and are essential for sequentially removing damaged bone and cartilage to create a perfectly hemispherical bone bed. Precise preparation using this set is paramount to achieving a secure press-fit and the correct biomechanical orientation (anteversion and inclination) of the final metal acetabular shell, which is fundamental to preventing dislocation and ensuring long-term implant survival.
6000-07
TOOLMED
Aluminium Alloy
1 Pcs
5-15 Days
/
Product Description
A graded series of spherical reamers allows for controlled and sequential bone removal, minimizing the risk of excessive bone loss while achieving a perfect hemispherical shape for cup seating.
Includes an ergonomic impactor handle with integrated or modular alignment guides to assist the surgeon in achieving the critical 40° inclination and 15-20° anteversion for optimal cup placement.
Reamers feature aggressive, sharp cutting flutes that efficiently remove sclerotic or dense bone, maintaining cutting efficacy throughout the procedure.
Includes trial components that simulate the final acetabular shell and liner, allowing the surgeon to verify stability and joint mechanics before committing to the permanent implants.
Used for surgically shaping the patient’s damaged hip socket to a precise hemispherical contour, which is necessary to accommodate and stabilize the metal acetabular shell implant.
Provides the necessary drivers and impactors to securely seat the acetabular shell into the prepared bone bed with the required force to achieve a stable interference (press-fit).
Includes alignment guides (or slots for external referencing) to ensure the acetabular cup is implanted at the biomechanically optimal inclination and anteversion angles, reducing the risk of postoperative hip dislocation.
| Product Name | Acetabulum Instrument Set(HC) |
| Material | Aluminium Alloy |
| Certificate | CE Certificate |
| Brand | TOOLMED |
| MOQ | 1 Pcs |
| OEM | Avaliable |
| Package | PE Inner Bag+Carton |
| Payment Method | T/T，Bank transfer, Western Union |
| Delivery Time | 5-15 Days |
| Shipping | DHL EMS UPS TNT FEDEX |
The Acetabulum Instrument Set (HC) is a specialized kit of surgical tools focused on preparing and reconstructing the hip socket during total hip replacement surgery. The most prominent tools in the set are the precise, spherical reamers, which are used sequentially to remove diseased bone and cartilage, establishing a flawless bone bed that perfectly matches the outer curvature of the prosthetic acetabular cup.
This instrument set is mandatory for all cementless Total Hip Arthroplasty (THA) procedures, as well as complex revision surgeries involving the acetabulum. Its tools are used to achieve the necessary tight press-fit required for long-term biological fixation of the metal cup, and to correctly orient the cup for optimal joint movement and reduced risk of dislocation.
The key advantage of a high-quality set like the HC series is accuracy in orientation and fit. The precision-ground reamers and alignment guides allow surgeons to consistently achieve the ideal anatomical placement of the cup, which is critical for restoring patient mobility and ensuring the longevity of the entire hip construct.
The reamers and impactors are designed to create compressive hoop stress in the prepared bone, maximizing the initial mechanical stability of the cup. Biomechanically, the correct sizing ensures optimal load transfer from the implant to the surrounding bone, promoting bone ingrowth (osseointegration) while minimizing stress shielding.
The surgical technique involves starting with a reamer smaller than the pre-operative plan and incrementally increasing the reamer size until the desired final size is reached, often slightly larger than the final cup size to allow for the press-fit. The impactor handle is then used, often with a dedicated guide, to drive the cup into the prepared socket at the correct inclination and anteversion.
The precision achieved through the use of this instrument set translates to excellent initial fixation of the cup. This stability is crucial for initiating the bone ingrowth process and allows most patients to begin accelerated, protected weight-bearing shortly after surgery, facilitating a quicker return to normal activity.
The Acetabulum Instrument Set (HC) is the gold standard for acetabular preparation in modern hip replacement surgery. By providing the tools for high-precision bone removal and controlled cup implantation, it ensures the robust foundation necessary for a successful, long-lasting total hip arthroplasty.
Sequential reaming, used with this set, involves using increasingly larger reamers to gradually shape the bone, offering more control and reducing the risk of fracture. Single-pass reaming attempts to achieve the final shape in one go, which is faster but carries a higher risk of error or fracture.
The alignment guide helps the surgeon visually or mechanically reference the pelvic planes, ensuring the acetabular cup is implanted at the ideal inclination (side-to-side tilt) and anteversion (forward tilt) to maximize stability and prevent dislocation.
No, this instrument set is optimized to match the geometry and sizing increments of the TOOLMED acetabular cup system, although many components follow standardized sizing conventions. Compatibility with other brands should always be verified.
Yes, modern acetabular reamers are typically designed to connect to specialized power tools (drills) to efficiently and smoothly ream the bone, although hand-reaming is sometimes used for final passes or adjustments.
The surgeon uses the trial cups (or the final reamer size) to assess stability and fit. The final implanted cup size is typically 1-2 mm larger than the final reamed diameter to achieve the interference (press-fit) required for fixation.
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