{"product_id":"cannulated-screw-system-instrument-set-3-5-4-0-headless","title":"Cannulated Screw System Instrument Set (3.5\/4.0-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 the safe and efficient implantation of 3.5mm and 4.0mm headless cannulated screws in minimally invasive orthopedic procedures. \u003c\/p\u003e\n\u003cp\u003eThe system includes 13 core tools that address the technical essentials of small-incision surgery, precise positioning, and bone channel preparation, covering the complete workflow from accurate guidance, graded reaming, and depth measurement to secure screw implantation and maintenance. \u003c\/p\u003e\n\u003cp\u003eManufactured from high-strength stainless steel with precision engineering, critical components (e.g., tapered drill bits) undergo optimized treatment to ensure smooth operation and clear radiographic visibility in limited exposure scenarios.\u003c\/p\u003e\n\u003cp\u003eWith a design philosophy centered on \"Precise Guidance + Graded Preparation + Secure Implantation,\" the system utilizes unique tapered drill bits, depth-sensing protection mechanisms, and quick-connect systems to achieve minimally invasive implantation of headless cannulated screws in periarticular fractures (e.g., wrist, ankle) and small fragment fixation. \u003c\/p\u003e\n\u003cp\u003eCompared to traditional solid screws, it significantly reduces bone loss and meets diverse clinical needs for intra-articular fracture fixation, subchondral bone support, ligament attachment reconstruction, and precise reduction of small fragments.\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 Safe Guidance: \u003c\/strong\u003eThe system core relies on fine 1.3mm guidewires for initial accurate positioning, establishing a precise directional foundation for screw implantation. Combined with dedicated guidewire sleeves and drill sleeves, it effectively isolates and protects surrounding soft tissues, significantly reducing risks of guidewire deviation or soft tissue entanglement in minimally invasive small-incision procedures, ensuring operational safety and clear imaging guidance in limited exposure conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGradual Progressive Bone Channel Preparation; \u003c\/strong\u003eFor different bone quality conditions and screw sizes (3.5mm\/4.0mm), the set provides a unique combination of tapered cannulated drills and standard cannulated drills. This graded design allows surgeons to perform progressive, low-trauma bone channel expansion. The tapered drill bit optimizes cutting efficiency and reduces bone loss, while standard drills complete final aperture matching, achieving efficient, smooth bone channel preparation with significantly less bone loss compared to traditional solid screws.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Implantation and Convenient Operation Loop: \u003c\/strong\u003eThe set includes a comprehensive screw implantation and tool chain. Depth gauges accurately measure bone channel depth to prevent screw penetration. SW2.0\/SW2.5 cannulated hex drivers precisely match the drive interfaces of different headless screw specifications, with their cannulated design ensuring final screw implantation under continuous guidewire guidance. Quick-connect handles provide rapid connection and labor-saving insertion. Screw holding forceps ensure stability and precision during screw passage and initial insertion. Dedicated guidewire cleaners maintain the patency and reusability of core guidance tools, forming a complete, efficient, and secure implantation operation loop from measurement, driving to maintenance, meeting the high-precision requirements of intra-articular and small fragment fixation.\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\u003eSignificantly Reduced Bone Loss and Soft Tissue Damage: \u003c\/strong\u003eThe core advantage lies in maximizing protection of bone tissue and surrounding soft tissues. Fine 1.3mm guidewires enable precise initial positioning, while dedicated guidewire sleeves and drill sleeves effectively isolate soft tissues, substantially reducing intraoperative entanglement or collateral damage risks. The critical graded progressive bone channel preparation approach (tapered\/standard cannulated drill combination) allows gradual bone channel expansion with minimal trauma, significantly reducing bone loss compared to traditional solid screw implantation methods—particularly suitable for fragile bone areas (e.g., periarticular regions, subchondral bone) and small fragment fixation, effectively maintaining bone structural integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise Implantation Ensures Surgical Safety and Reliability: \u003c\/strong\u003eThe set provides full-process precision control mechanisms to ensure accurate screw positioning, controlled depth, and reliable fixation. Depth gauges offer precise depth measurement, effectively preventing screw penetration into joint surfaces or cortical bone, serving as core safety assurance. SW2.0\/SW2.5 cannulated hex drivers perfectly match headless screw drive interfaces, with their cannulated design ensuring final insertion under continuous guidewire guidance, avoiding directional deviation during implantation. Screw holding forceps ensure stability during passage and initial fixation, providing a solid foundation for precise implantation. This multiple保障 system significantly reduces surgical risks and enhances fixation outcome predictability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency and Convenience Optimize Surgical Workflow: \u003c\/strong\u003eThe set design highly aligns with clinical operational logic, significantly improving surgical efficiency and surgeon experience. Quick-connect handles allow rapid connection and efficient screw insertion, saving operative time and reducing operator fatigue. The instrument combination (guidewires, drills, drivers, depth gauges, holding forceps) forms a seamlessly connected operational loop, reducing intraoperative tool change frequency and time. Dedicated guidewire cleaners ensure patency of core guidance tools (1.3mm guidewires), guaranteeing reusability and improving instrument utilization efficiency. The overall design optimizes the entire workflow from positioning, drilling, depth measurement to screw implantation, making surgical operations smoother and less labor-intensive.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEconomic Practicality Balances Performance and Maintenance: \u003c\/strong\u003eWhile ensuring high performance, the set demonstrates practicality and economy. Instruments are manufactured from high-strength stainless steel with specially treated critical components, ensuring durability and long-term reliability. Modular design facilitates easy cleaning, sterilization, and maintenance. The inclusion of guidewire cleaners specifically maintains core 1.3mm guidewires, extending the service life of high-value consumables and reducing per-procedure instrument costs. The organized set components (including instrument case) facilitate easy access and inventory, enhancing operating room management efficiency.\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\u003eCannulated Screw Systems (3.5mm\/4.0mm - Headless)\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\u003ePrecision Fixation of Small Fragments and Ligament Avulsion Fractures\u003c\/li\u003e\n\u003cli\u003eSubchondral Bone Support and Articular Surface Reconstruction\u003c\/li\u003e\n\u003cli\u003eMinimally Invasive Orthopedic Correction and Functional Reconstruction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"ENZO DENTAL","offers":[{"title":"Default Title","offer_id":67902089527584,"sku":null,"price":3483.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/7078\/8384\/files\/68e64cc173c73.webp?v=1792632965","url":"https:\/\/dentalinstruments.uk\/products\/cannulated-screw-system-instrument-set-3-5-4-0-headless","provider":"ENZO DENTAL","version":"1.0","type":"link"}