{"product_id":"cannulated-screw-system-instrument-set-2-5-headless","title":"Cannulated Screw System Instrument Set (2.5-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 comprehensive instrument system is specifically designed for minimally invasive internal fixation of small bone fragments (such as those in the wrist, ankle, pelvis, and humeral head), compatible with 2.5mm diameter headless cannulated screws. \u003c\/p\u003e\n\u003cp\u003eThe set includes 9 core tools that address the technical challenges of small-incision or percutaneous techniques—including precise guidewire positioning, efficient micro-channel preparation, and secure screw implantation—covering the critical operational chain from guidewire positioning, accurate drilling, and depth measurement to safe screw implantation and locking.\u003c\/p\u003e\n\u003cp\u003e Manufactured from high-strength stainless steel, key cutting components (e.g., Ø1.8\/Ø2.0 cannulated drills) undergo specialized surface hardening treatments to ensure efficient bone penetration, long-term durability, and clear intraoperative imaging visibility. \u003c\/p\u003e\n\u003cp\u003eWith a core design philosophy of \"Precise Guidance + Efficient Channel Preparation + Secure Implantation,\" the system utilizes a dual-hole drill sleeve stabilization system, stepped reaming drills, and quick-connect drive mechanisms to achieve minimally invasive, precise, and stable fixation of small fragment fractures. \u003c\/p\u003e\n\u003cp\u003eThis significantly reduces soft tissue dissection and surgical trauma, meeting the demands of minimally invasive internal fixation procedures for scaphoid fractures, humeral head fractures, pelvic fixation, and periarticular avulsion fractures.\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 Guidance System: \u003c\/strong\u003eThe Ø1.0mm guidewire enables initial precise positioning and transfixation of fracture fragments, establishing a benchmark for subsequent procedures. The dual-hole drill sleeve provides a rigid, stable working channel and precise drilling guidance, ensuring accurate drill bit and screw implantation paths under minimally invasive or percutaneous conditions, effectively preventing operational deviation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficient Stepped Bone Channel Preparation: \u003c\/strong\u003eAn optimized stepped reaming protocol ensures precise and efficient screw implantation channel preparation. The Ø1.8mm cannulated drill efficiently penetrates the cortical bone layer to establish the initial channel, followed by the Ø2.0mm tapered cannulated drill that precisely expands the channel and creates a smooth transition, perfectly matching the implantation requirements of 2.5mm headless cannulated screws while reducing bone thermal injury risks and optimizing screw holding strength.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise Measurement and Secure Implantation Assurance: \u003c\/strong\u003eThe depth gauge accurately measures guidewire channel depth, providing reliable data for selecting appropriately sized screws—a critical step ensuring fixation effectiveness. Screw holding forceps assist surgeons in precisely grasping and initially positioning small screws. The combination of cannulated hex drivers and quick-connect handles enables rapid screw connection, stable transmission, and efficient final locking torque, ensuring secure and reliable screw implantation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntraoperative Fluidity and Support Assurance: \u003c\/strong\u003eThe Ø0.9mm guidewire cleaner effectively addresses intraoperative bone debris clogging the guidewire channel, quickly clearing the passage to ensure smooth procedural flow and avoiding operational interruptions or positioning loss due to channel blockage. The quick-connect handle design significantly enhances tool switching and screw driving efficiency. The dedicated instrument case provides organized, secure storage for all core tools, facilitating preoperative inventory and intraoperative rapid access while ensuring aseptic transfer during procedures, thereby improving surgical efficiency and safety.\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\u003eExceptional Minimally Invasive Properties and Tissue Protection: \u003c\/strong\u003eThe instruments' refined design (e.g., Ø1.0mm guidewires, dual-hole drill sleeves) and operational workflow (precise positioning, stepped reaming) minimize dissection, retraction, and damage to surrounding muscles, ligaments, and soft tissues—particularly crucial in areas with vulnerable blood supply (e.g., scaphoid)—accelerating postoperative recovery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Implantation Precision: \u003c\/strong\u003eThe core Ø1.0mm guidewire enables initial precise positioning of fracture fragments, while the rigid dual-hole drill sleeve provides a stable, reliable drilling guidance channel. This precision guidance system ensures highly controllable drilling paths and screw implantation directions in confined spaces or under percutaneous conditions, effectively preventing operational deviation—key to achieving satisfactory reduction and fixation outcomes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficient and Optimized Bone Channel Preparation: \u003c\/strong\u003eThe unique stepped reaming design significantly enhances efficiency. A smaller diameter drill first efficiently penetrates cortex to establish a foundational channel, followed by a tapered drill that precisely expands to the target diameter while creating a smooth transition. This not only reduces bone thermal injury risks but also optimizes channel morphology, providing an ideal bone holding foundation for subsequent 2.5mm headless cannulated screws while improving procedural fluidity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInherent Advantages of Headless Screw Design: \u003c\/strong\u003eCompatibility with 2.5mm headless cannulated screws represents a core advantage of this set. The headless design effectively eliminates prominent screw head irritation and friction risks to surrounding soft tissues, significantly reducing postoperative pain, tendinitis, or joint mobility limitation complications—particularly valuable for fixation in areas with thin subcutaneous tissue or near joints (e.g., wrist, ankle).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Intraoperative Reliability and Process Assurance: \u003c\/strong\u003eThe specifically included Ø0.9mm guidewire cleaner quickly and effectively clears guidewire channels clogged by bone debris accumulation, addressing a common intraoperative challenge while preventing positioning loss and procedural interruptions to ensure smooth, reliable surgical workflow. The quick-connect handle design greatly simplifies tool connection steps, enhancing operational 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\u003e\n\u003cspan\u003eCannulated Screw Systems (2.5mm - 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 Upper Extremity Fractures\u003c\/li\u003e\n\u003cli\u003eMinimally Invasive Procedures for Lower Extremity and Pelvis\u003c\/li\u003e\n\u003cli\u003eArthroscopy-Assisted Internal Fixation\u003c\/li\u003e\n\u003cli\u003eAuxiliary Fixation in Osteotomy Correction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"ENZO DENTAL","offers":[{"title":"Default Title","offer_id":67902200578336,"sku":null,"price":3416.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/7078\/8384\/files\/68e65e534f611.webp?v=1792632965","url":"https:\/\/dentalinstruments.uk\/products\/cannulated-screw-system-instrument-set-2-5-headless","provider":"ENZO DENTAL","version":"1.0","type":"link"}