English
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TOOLMED
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1 Pcs
5-7 days
Product Description
Designed for the "One Puncture" technique, the system allows for a swift, direct trajectory into the vertebral body, significantly reducing the procedural time compared to multi-step methods.
The 3.7mm working diameter is specifically dimensioned for safely navigating the smaller, narrower pedicles characteristic of the thoracic spine, minimizing the risk of pedicle breach while ensuring adequate room for cement delivery.
The trocar and cannula feature an exceptionally sharp tip geometry designed for clean, controlled penetration of the cortical bone, which is essential for accurate placement and minimizes resistance.
Once positioned, the cannula provides a rigid, secure conduit for the injection of high-viscosity PMMA bone cement, ensuring that the material is delivered precisely to the fracture site within the vertebral body.
Primary indication is for the stabilization of painful, acute, or subacute VCFs in the thoracic spine (T1-T12), typically due to osteoporosis.
The essential instrument set for gaining the working channel necessary to inject bone cement directly into the fractured vertebral body.
Used in cases where structural stabilization and pain relief are the main goals, and vertebral height restoration (requiring a balloon) is not the primary objective.
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This system is a streamlined set of access instruments used in Percutaneous Vertebroplasty (PVP) to treat broken vertebrae in the thoracic spine. The name "One Puncture" refers to the technique where a single, precise instrument creates the entire working channel directly into the vertebral body through the pedicle. The small 3.7mm diameter is necessary to safely fit within the generally narrower pedicles of the upper and mid-back without compromising the surrounding bone structure.
The core application is the treatment of thoracic vertebral compression fractures (VCFs), particularly in osteoporotic patients. PVP provides immediate stabilization and mechanical pain relief by filling the fracture lines with bone cement. This rapid, direct access system is ideal for stabilizing multiple thoracic fractures quickly and safely.
The main advantage is speed and simplicity. Unlike the lumbar spine, where the "Layer by Layer" approach is necessary for nerve root safety, the thoracic spine's anatomy often allows for a single, direct puncture. This reduces operative time, instrument handling, and the total amount of bone disruption, making the procedure highly efficient and minimally traumatic for the patient.
Vertebroplasty (PVP) involves the direct injection of cement without using a balloon (Kyphoplasty/PKP). This system is preferred for PVP because the cement is typically injected under higher pressure and relies on the direct filling of fracture voids for stabilization, a technique best facilitated by a robust, single-channel cannula like the 3.7mm system provides.
The technique involves positioning the sharp trocar/cannula unit under bi-planar fluoroscopy. A direct puncture is made through the skin and guided toward the pedicle. Once the cortex is breached, the instrument is advanced into the anterior or middle third of the vertebral body. After confirming placement, the trocar is removed, leaving the cannula in place to serve as the conduit for the viscous PMMA bone cement injection.
Due to the minimally invasive nature of the single puncture technique and the rapid stabilization provided by the cement, patients typically experience immediate post-operative pain reduction and can often be mobilized within a few hours. The small puncture site requires minimal wound care.
The 3.7 Thoracic One Puncture (PVP) system from TOOLMED is engineered for efficient and safe access during Vertebroplasty in the thoracic region. Its streamlined, small-diameter design ensures quick stabilization of vertebral fractures, offering patients rapid pain relief and minimizing recovery time through a truly minimally invasive approach.
The 3.7mm diameter provides the optimal balance for the thoracic spine, being small enough to fit safely through the narrower pedicles while still providing a robust channel necessary for injecting viscous bone cement.
Yes, the rigid cannula and the 3.7mm inner diameter are designed to handle the pressure required to inject the thick, high-viscosity PMMA bone cement used in Vertebroplasty.
While the risk profile is different from Kyphoplasty (PKP), the controlled injection technique used in PVP and the accurate placement achieved with this system are key to minimizing cement extravasation.
For a single fracture, the procedure often involves bilateral access (two punctures) to ensure even distribution of the cement within the vertebra, meaning the set would be used twice per fracture.
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