{"product_id":"cannulated-screw-system-instrument-set-4-5-5-2-headless","title":"Cannulated Screw System Instrument Set (4.5\/5.2-Headless)","description":"\u003cdiv class=\"g-prob f-box\" id=\"j-prob1\"\u003e\n\u003cp class=\"m-prott\"\u003e\u003cstrong\u003eProduct Introduction\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"box-desc m-desc m-hsicon c-pl30 c-mt50\"\u003e\n\u003cp\u003eThis specialized instrument set is designed for headless cannulated screw implantation in fracture fixation, compatible with 4.5mm and 5.2mm diameter headless screws. \u003c\/p\u003e\n\u003cp\u003eThe system includes 12 core tools that address the technical essentials of percutaneous screw placement—precise guidewire positioning, efficient bone channel preparation, and secure screw implantation—covering the complete workflow from guidewire insertion, graded drilling, screw channel preparation to screw tightening and final locking. \u003c\/p\u003e\n\u003cp\u003eManufactured from high-strength stainless steel, critical drilling components (e.g., tapered cannulated drills) feature optimized designs and surface treatments to ensure efficient cutting and clear radiographic visibility under fluoroscopic guidance. With a core design philosophy of \"Guidewire Positioning - Graded Drilling - Screw Implantation,\" the system utilizes tapered drills for progressive bone channel expansion, dedicated guidewire cleaners, and quick-connect handles to achieve minimally invasive, precise, and stable implantation of headless cannulated screws. \u003c\/p\u003e\n\u003cp\u003eThis effectively reduces soft tissue dissection and surgical trauma, meeting the demands of metaphyseal fracture fixation, periarticular fractures (e.g., wrist, ankle), and inter-fragmentary compression fixation.\u003c\/p\u003e\n\u003cdiv\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003carticle class=\"4ever-article\" data-clipboard-cangjie='[\"root\",{},[\"p\",{\"keepLines\":false,\"keepNext\":false,\"numPr\":{},\"styleId\":\"14\",\"windowControl\":true},[\"span\",{\"data-type\":\"text\"},[\"span\",{\"styleId\":\"19\",\"data-type\":\"leaf\"},\"Advanced Materials\"],[\"span\",{\"data-type\":\"leaf\"},\": Crafted from high-fatigue-bearing stainless steel (05Cr17Ni4Cu4Nb, 420B, 316L, 304) with electrolytic polishing for improved biocompatibility and reduced tissue friction.\"]]],[\"p\",{\"keepLines\":false,\"keepNext\":false,\"numPr\":{},\"styleId\":\"14\",\"windowControl\":true},[\"span\",{\"data-type\":\"text\"},[\"span\",{\"styleId\":\"19\",\"data-type\":\"leaf\"},\"Closed-Loop Workflow\"],[\"span\",{\"data-type\":\"leaf\"},\": Includes all instruments for each surgical phase—puncture, dilation, insertion, fixation—optimizing workflow and minimizing tool changes.\"]]],[\"p\",{\"keepLines\":false,\"keepNext\":false,\"numPr\":{},\"styleId\":\"14\",\"windowControl\":true},[\"span\",{\"data-type\":\"text\"},[\"span\",{\"styleId\":\"19\",\"data-type\":\"leaf\"},\"Precision Localization\"],[\"span\",{\"data-type\":\"leaf\"},\": Radiographic targeting plate paired with a rounded-tip guide enables accurate placement under fluoroscopy while avoiding neurovascular injury.\"]]],[\"p\",{\"keepLines\":false,\"keepNext\":false,\"numPr\":{},\"styleId\":\"14\",\"windowControl\":true},[\"span\",{\"data-type\":\"text\"},[\"span\",{\"styleId\":\"19\",\"data-type\":\"leaf\"},\"Stepped Channel Dilation\"],[\"span\",{\"data-type\":\"leaf\"},\": Incremental trocars and a fascia separator allow gradual, soft-tissue-preserving access, aiding rapid recovery.\"]]],[\"p\",{\"keepLines\":false,\"keepNext\":false,\"numPr\":{},\"styleId\":\"14\",\"windowControl\":true},[\"span\",{\"data-type\":\"text\"},[\"span\",{\"styleId\":\"19\",\"data-type\":\"leaf\"},\"Efficient Screw Tract Preparation\"],[\"span\",{\"data-type\":\"leaf\"},\": Self-drilling taps and ball probes speed canal creation and verify channel integrity, enhancing safety.\"]]],[\"p\",{\"keepLines\":false,\"keepNext\":false,\"numPr\":{},\"styleId\":\"14\",\"windowControl\":true},[\"span\",{\"data-type\":\"text\"},[\"span\",{\"styleId\":\"19\",\"data-type\":\"leaf\"},\"Percutaneous Rod Tools\"],[\"span\",{\"data-type\":\"leaf\"},\": Includes curved rod benders and delivery devices for precise rod contouring and insertion through minimal incisions, with supporting insertion aids.\"]]],[\"p\",{\"keepLines\":false,\"keepNext\":false,\"numPr\":{},\"styleId\":\"14\",\"windowControl\":true},[\"span\",{\"data-type\":\"text\"},[\"span\",{\"styleId\":\"19\",\"data-type\":\"leaf\"},\"Integrated Locking Mechanism\"],[\"span\",{\"data-type\":\"leaf\"},\": Ratchet handle and torque driver allow controlled, remote tightening of screws—ideal in constrained working spaces.\"]]],[\"p\",{\"keepLines\":false,\"keepNext\":false,\"numPr\":{},\"rPr\":{\"bold\":true,\"fonts\":{\"hint\":\"eastAsia\"}},\"styleId\":\"14\",\"windowControl\":true},[\"span\",{\"data-type\":\"text\"},[\"span\",{\"styleId\":\"19\",\"data-type\":\"leaf\"},\"Modular Organization\"],[\"span\",{\"data-type\":\"leaf\"},\": Tools arranged by procedural sequence (localization → dilation → implantation → locking) in labeled trays streamline prep and sterilization.\"]]]]'\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Excellence: \u003c\/strong\u003eInstruments are constructed from premium stainless steels (05Cr17Ni4Cu4Nb, 420B, 316L, 304), offering high fatigue resistance. Electropolished surfaces minimize tissue friction and surgical trauma.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Positioning and Efficient Bone Channel Preparation System: \u003c\/strong\u003eThe Ø1.9mm guidewire enables initial precise penetration and transfixation of fracture fragments, with tip design ensuring penetration capability and directional stability. Combined with tapered and standard cannulated drills, it forms a four-stage progressive bone channel expansion protocol: tapered drills achieve efficient bone cutting and low-resistance penetration, while standard drills complete final precise aperture formation, significantly improving bone channel preparation efficiency. Guidewire drill sleeves and universal drill sleeves provide continuous drilling stability, preventing soft tissue injury and ensuring precise, controllable trajectories under fluoroscopy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew Channel Optimization and Secure Implantation Assurance: \u003c\/strong\u003eThe Ø1.8mm guidewire cleaner specifically removes residual bone debris from screw channels, ensuring unimpeded screw implantation and preventing insertion resistance caused by debris accumulation. Depth gauges accurately measure bone channel depth, providing data support for screw length selection. Screw holding forceps feature optimized gripping surfaces for the unique structure of headless screws, enabling secure intraoperative grasping and precise delivery. The SW3 cannulated hex driver, used with quick-connect handles, delivers high torque for efficient screw insertion and final locking, with its cannulated design allowing continuous operation along the guidewire while maintaining axial consistency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModular Quick-Connect and Streamlined Operation Design: \u003c\/strong\u003eThe quick-connect handle serves as the core driving hub, rapidly adapting to SW3 cannulated hex drivers and drilling tools, enabling seamless instrument switching and efficient torque transmission while reducing procedural time. All drills and drivers are manufactured from high-strength stainless steel with specialized surface treatments, balancing torsional strength and radiographic visibility to ensure operational smoothness and visual clarity in limited incision scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Minimally Invasive Value and Clinical Application Coverage: \u003c\/strong\u003eThe set establishes a closed-loop workflow of \"guidewire positioning - graded drilling - screw implantation,\" significantly reducing soft tissue dissection through percutaneous minimally invasive techniques, thereby lowering intraoperative bleeding and postoperative complication risks. Designed to meet the compression fixation requirements of 4.5mm\/5.2mm headless screws, it addresses scenarios including metaphyseal fractures (e.g., distal radius, ankle joints), intra-articular fragment compression fixation, and minimally invasive osteosynthesis of small fragments—particularly suitable for operations in spatially constrained anatomical regions. The instrument case provides standardized storage and sterilization assurance, enhancing surgical efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/article\u003e\n\u003cdiv\u003e\u003cstrong\u003eAdvantages\u003c\/strong\u003e\u003c\/div\u003e\n\u003carticle class=\"4ever-article\" data-clipboard-cangjie='[\"root\",{},[\"p\",{\"keepLines\":false,\"keepNext\":false,\"numPr\":{},\"styleId\":\"14\",\"windowControl\":true},[\"span\",{\"data-type\":\"text\"},[\"span\",{\"styleId\":\"19\",\"data-type\":\"leaf\"},\"Better Neural Safety \u0026amp; Exposure\"]],[\"br\",{\"type\":\"textWrapping\"},[\"span\",{\"data-type\":\"text\"},[\"span\",{\"data-type\":\"leaf\"},\"\"]]],[\"span\",{\"data-type\":\"text\"},[\"span\",{\"data-type\":\"leaf\"},\"Progressive nerve root retraction (6–10 mm) and controlled vertebral distraction reduce neural tension by ~30%, enhancing operative safety.\"]]],[\"p\",{\"keepLines\":false,\"keepNext\":false,\"numPr\":{},\"styleId\":\"14\",\"windowControl\":true},[\"span\",{\"data-type\":\"text\"},[\"span\",{\"styleId\":\"19\",\"data-type\":\"leaf\"},\"Optimized Endplate Quality for Fusion\"]],[\"br\",{\"type\":\"textWrapping\"},[\"span\",{\"data-type\":\"text\"},[\"span\",{\"data-type\":\"leaf\"},\"\"]]],[\"span\",{\"data-type\":\"text\"},[\"span\",{\"data-type\":\"leaf\"},\"Graded chisels and anatomically curved curettes remove cartilage effectively while preserving bone. Rasping refines the interface, improving biological fusion potential by ~40%.\"]]],[\"p\",{\"keepLines\":false,\"keepNext\":false,\"numPr\":{},\"styleId\":\"14\",\"windowControl\":true},[\"span\",{\"data-type\":\"text\"},[\"span\",{\"styleId\":\"19\",\"data-type\":\"leaf\"},\"Efficient and Clean Graft Packing\"]],[\"br\",{\"type\":\"textWrapping\"},[\"span\",{\"data-type\":\"text\"},[\"span\",{\"data-type\":\"leaf\"},\"\"]]],[\"span\",{\"data-type\":\"text\"},[\"span\",{\"data-type\":\"leaf\"},\"The integrated graft system ensures precise placement with zero graft loss, enhancing packing efficiency by ~50%.\"]]],[\"p\",{\"keepLines\":false,\"keepNext\":false,\"numPr\":{},\"rPr\":{\"bold\":true},\"styleId\":\"14\",\"windowControl\":true},[\"span\",{\"data-type\":\"text\"},[\"span\",{\"styleId\":\"19\",\"data-type\":\"leaf\"},\"Precise \u0026amp; Safe Cage Placement\"]],[\"br\",{\"type\":\"textWrapping\"},[\"span\",{\"data-type\":\"text\"},[\"span\",{\"data-type\":\"leaf\"},\"\"]]],[\"span\",{\"data-type\":\"text\"},[\"span\",{\"data-type\":\"leaf\"},\"Adjustable impaction with a balanced mallet design ensures controlled insertion—even into osteoporotic bone. Low-profile tapered tip and graft support eliminate misalignment risks during placement.\"]]],[\"p\",{\"rPr\":{\"bold\":true},\"spacing\":{\"line\":1.25,\"lineRule\":\"atLeast\"}},[\"span\",{\"data-type\":\"text\"},[\"span\",{\"data-type\":\"leaf\"},\"\"]]]]'\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-Stage Drilling System Enables Efficient and Precise Bone Channel Formation: \u003c\/strong\u003eThe four-stage progressive expansion protocol using tapered and standard cannulated drills significantly improves bone channel preparation efficiency: tapered drills achieve low-resistance cortical penetration with low cutting angles, while standard drills precisely calibrate the final aperture. Compared to traditional single-stage drilling, this effectively reduces operative time. The entire process relies on guidewire drill sleeves locking the guidewire trajectory, ensuring drill bits advance along the Ø1.9mm guidewire axis, eliminating directional deviation risks—particularly valuable for safe channel preparation in high-density bone regions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Assurance of Headless Screw Implantation Stability and Operational Fluidity: \u003c\/strong\u003eScrew holding forceps employ V-shaped anti-slip grooves and elastic clamping arms to achieve zero-damage secure grasping of headless screws. The SW3 cannulated hex driver combined with quick-connect handles forms a high-torque transmission module, supporting single-handed rapid assembly\/disassembly and continuous tightening operations. The Ø1.8mm guidewire cleaner simultaneously removes bone debris from screw channels, effectively reducing screw insertion resistance. Combined with depth gauge measurements, this eliminates fixation strength deficiencies caused by depth errors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandardized Full Workflow Reduces Surgical Trauma Risks: \u003c\/strong\u003eThe graded drilling process isolates soft tissues within universal drill sleeves, reducing the probability of vascular and nerve injury. The headless screw design avoids implant prominence that could irritate soft tissues, effectively lowering postoperative foreign body sensation incidence. The set adapts to confined anatomical areas like wrist and ankle, achieving a true \"guidewire positioning - debris removal - screw placement\" closed loop. Compared to open surgery, it effectively reduces soft tissue dissection time and accelerates postoperative functional recovery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad Clinical Indications and Cost-Effectiveness Advantages: \u003c\/strong\u003eCovers dual-specification (4.5mm\/5.2mm) headless screw implantation needs, suitable for intra-articular fragment compression fixation in distal radius fractures, talus fractures, and minimally invasive osteosynthesis of small fragments in pelvic, hand, and foot regions. Standardized case organization reduces instrument loss rates, while modular design minimizes backup tool requirements. A single set can meet over 90% of cannulated screw surgical scenarios, significantly optimizing hospital consumable management costs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m-prod3 m-prob c-pl30\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"g-prob f-box\" id=\"j-prob2\"\u003e\n\u003cp class=\"m-prott\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"box-desc m-desc c-pl30 c-mt50\"\u003e\n\u003cdiv\u003e\u003cstrong\u003eCompatible Implants\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eCannulated Screw Systems (4.5mm\/5.2mm - Headless)\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cstrong\u003eApplicable Procedures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eMinimally Invasive Fixation of Intra-articular and Periarticular Fractures\u003c\/li\u003e\n\u003cli\u003eCompression Fixation of Metaphyseal and Diaphyseal Fractures\u003c\/li\u003e\n\u003cli\u003eAuxiliary Fixation in Osteotomy Correction Procedures\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"ENZO DENTAL","offers":[{"title":"Default Title","offer_id":67902145298720,"sku":null,"price":3550.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/7078\/8384\/files\/68e65925de2c1.webp?v=1792632965","url":"https:\/\/dentalinstruments.uk\/products\/cannulated-screw-system-instrument-set-4-5-5-2-headless","provider":"ENZO DENTAL","version":"1.0","type":"link"}