Headless Screw Instrument Set – Complete Headless Compression Screw (HCS) Instrument System
Precision-Engineered Coaxial Guide-Wire Targeting, Controlled Pre-Compression Sleeve Mechanics, and Subchondral Countersinking Instrumentation for Articular Osteosynthesis.
Designed for hospital trauma centers, specialized hand and foot/ankle units, Ambulatory Surgical Centers (ASCs), and global surgical distributors, our Headless Screw Instrument Set delivers zero-profile subchondral screw burial and repeatable interfragmentary compression across articular joints. Engineered directly by an ISO 13485-certified Headless Screw Instrument Set Manufacturer, this unified Headless Compression Screw (HCS) Instrument System consolidates percutaneous K-wire aiming, calibrated core drilling, tactile compression-sleeve pre-loading, and self-retaining screw seating into a single color-coded sterile platform.
- Dual Compression Mechanics (Compression Sleeve & Differential Pitch): Configured as a universal Cannulated Headless Bone Screw Instrument Set, supporting both surgeon-controlled compression-sleeve HCS workflows and conical/differential-pitch self-compressing headless screws.
- Color-Coded Modular Sizing (Ø 2.5mm to Ø 5.5mm): Accommodates mini articular screws (Ø 2.5mm / Ø 3.5mm) and medium/large osteotomy and arthrodesis screws (Ø 4.0mm, Ø 4.5mm, Ø 5.5mm) over Ø 0.8mm to Ø 2.0mm calibrated guide wires.
- Zero Articular Hardware Prominence: Purpose-built as a turnkey Intra-Articular and Subchondral Fracture Fixation Set, countersinking trailing screw threads completely beneath the hyaline cartilage surface to prevent joint impingement and tendon irritation.
- Coaxial Countersinking & Depth Verification: Includes calibrated cannulated countersinks and direct-read guide-wire depth gauges that automatically account for subchondral recess depth.
- Certified Surgical Metallurgy & Traceability: Manufactured under ISO 13485:2016 certified quality systems using surgical-grade steel with medical silicone ergonomics.
Standard Set Configuration – Headless Screw Instrument Set
Below is the standard factory Bill of Materials for the Headless Screw Instrument Set. Removable screw implant caddies (for Ø 2.5mm, Ø 3.5mm, Ø 4.0mm, 4.5mm and Ø 4.0mm titanium screws) and custom OEM private-label laser markings are available upon request.
- Cannulated Screw Driver for 2.5 mm Herbert Screw (1.5 mm Tip) – 1 Qty
- Cannulated Screw Driver for 3.5 mm Herbert Screw (2.0 mm Tip) – 1 Qty
- Cannulated Screw Driver for 4.0 mm Herbert Screw (2.5 mm Tip) – 1 Qty
- Cannulated Screw Driver for 4.5 mm Herbert Screw (2.5 mm Tip) – 1 Qty
- Cannulated Screw Driver for 5.5 mm Herbert Screw (3.0 mm Tip) – 1 Qty
- Cannulated Drill Bit, 2.0 mm – 2 Qty
- Cannulated Drill Bit, 2.7 mm – 2 Qty
- Cannulated Drill Bit, 3.2 mm – 2 Qty
- Cannulated Drill Bit, 3.5 mm – 2 Qty
- Cannulated Drill Bit, 4.5 mm – 2 Qty
- Drill and K Wire Guide (2 mm Drill Guide, 0.8 mm K wire Guide) – 1 Qty
- Drill and K Wire Guide (2.7 mm Drill Guide, 1.2 mm K wire Guide) – 1 Qty
- Drill and K Wire Guide (3.2 mm Drill Guide, 1.2 mm K wire Guide) – 1 Qty
- Drill and K Wire Guide (3.5 mm Drill Guide, 1.4 mm K wire Guide) – 1 Qty
- Drill and K Wire Guide (4.5 mm Drill Guide, 1.5 mm K wire Guide) – 1 Qty
- Guide Wire, 0.8 mm – 5 Qty
- Guide Wire, 1.2 mm – 5 Qty
- Guide Wire, 1.2 mm – 5 Qty
- Guide Wire, 1.4 mm – 5 Qty
- Guide Wire, 1.5 mm – 5 Qty
- Graphics Aluminum Box with Silicone Fittings – 1 Qty
Controlled Subchondral Compression: The Next-Generation Headless Compression Screw (HCS) Instrument System
Stabilizing intra-articular shear fractures, carpal nonunions, and periarticular osteotomies requires rigid interfragmentary compression where the implant head cannot protrude into the joint space. Conventional headed lag screws risk cartilage abrasion, while early-generation headless screws often stripped osteoporotic cancellous bone before achieving adequate fracture gap closure.
Our Headless Compression Screw (HCS) Instrument System solves both clinical challenges through a two-stage coaxial instrumentation workflow. In addition to supporting standard differential-pitch self-compressing screws, our Headless Screw Instrument Set includes threaded Compression Sleeves and Counter-Torque Holding Sleeves. The compression sleeve threads onto the trailing end of the headless screw and acts as a temporary lag-screw head against the near cortex—allowing the surgeon to dial in exact, tactile interfragmentary compression across the fracture line before using the cannulated screwdriver to advance the trailing screw head out of the sleeve and bury it beneath the subchondral bone plate.
Micro-Cannulated Precision: Cannulated Headless Bone Screw Instrument Set Engineering
Drilling and seating miniature headless screws over fine K-wires (Ø 0.8mm to Ø 2.0mm) without guide-wire binding, cortical splitting, or driver cam-out requires micron-level concentricity. Engineered as a high-precision Cannulated Headless Bone Screw Instrument Set, this platform incorporates five critical mechanical safeguards:
- Percutaneous Parallel & Coaxial Wire Sleeves: For dorsal or volar minimally invasive scaphoid approaches, dual-barrel parallel wire guides allow placement of a central guide wire alongside an adjacent anti-rotation K-wire to neutralize rotational torque during screw insertion.
- Cannulated Stepped Drills with Depth Calibration: Cannulated stepped drill bits simultaneously prepare the narrower leading thread tract and the wider trailing head tract, featuring laser-etched millimeter markings to prevent subchondral joint perforation.
- Cannulated Cortical Countersinks (Profile Reamers): When inserting screws through dense cortical bone or steep oblique articular surfaces, the cannulated countersink bevels the near-cortex entry portal so the trailing threads sink smoothly below the cartilage margin without generating cortical hoop stress.
- Direct-Read Guide-Wire Depth Gauges & Tapered Drivers: Precision depth gauges slide directly over the K-wire to provide exact screw-length calculations (automatically accounting for subchondral countersinking), paired with self-retaining Hexagonal cannulated screwdrivers.
Multi-Specialty Clinical Indications: Turnkey Intra-Articular and Subchondral Fracture Fixation Set
By integrating micro, small, and medium/large cannulated modules inside a customizable sterilization layout, hospitals and specialty clinics can standardize articular osteosynthesis across upper and lower extremities. Configured as an all-in-one Intra-Articular and Subchondral Fracture Fixation Set, the system supports:
Hand, Wrist, Elbow, Foot & Ankle Articular Reconstruction
Carpal & Hand Fractures: Acute scaphoid waist and proximal pole fractures, scaphoid nonunions, capitate/lunate fractures, intercarpal arthrodeses (four-corner fusion), and intra-articular metacarpal or phalangeal condylar fractures.
- Elbow & Proximal Humerus Articular Shear Fractures: Mason Type II/III radial head fractures, Bryan-Morrey capitellar fractures, coronal shear fractures of the distal humerus, and osteochondral humeral head defects.
- Forefoot Osteotomies & Midfoot Arthrodesis: Chevron, Scarf, and Akin hallux valgus (bunion) osteotomies, Weil lesser-metatarsal osteotomies, Lisfranc fracture-dislocations, and navicular/cuboid fractures managed with our Intra-Articular and Subchondral Fracture Fixation Set.
- Hindfoot, Ankle & Knee Subchondral Trauma: Talar neck and talar dome osteochondral fractures, subtalar and ankle arthrodesis (utilizing Ø 4.5mm/5.5mm headless screws), and femoral condyle or patellar osteochondral fixation.
Sterile Processing (SPD) Efficiency & Modular Graphic Case Architecture
Hospital Sterile Processing Departments (SPD) and operating room managers evaluate cannulated small-bone systems on fine lumen cleanability, tip protection, and rapid visual inventory counts. Our Headless Screw Instrument Set is housed in a perforated, hard-anodized aluminum sterilization container with medical-grade silicone holders.
- High-Flow Steam Perforation Geometry: Engineered with an open-surface perforation ratio exceeding 45% to guarantee rapid steam penetration and moisture evacuation during standard pre-vacuum steam sterilization cycles (132°C / 270°F for 4 minutes).
- Cannulation Cleaning Ports & Wire Tubes: Fine cannulated drills and stylet cleaning wires are mounted in protective flip-top racks to prevent tip bending during transport and autoclave processing.
- Ergonomic Modular Split-Tray Design: Cannulated Screw Drivers, Cannulated Drill Bits, and Double Drill Guide are distributed in Herbert Screw Instrument Set across balanced, stackable modular tiers so the loaded sterilization case remains strictly below the 25 lb (11.3 kg) AAMI ST77 limit.
Frequently Asked Questions
Q1: How does the compression sleeve work in this Headless Compression Screw (HCS) Instrument System?
In our Headless Compression Screw (HCS) Instrument System, the headless screw is loaded onto the threaded compression sleeve before insertion. As the screw is advanced over the guide wire, the flared tip of the compression sleeve contacts the near bone cortex and acts like a conventional lag-screw head—allowing the surgeon to apply controlled, tactile interfragmentary compression before holding the sleeve stationary and driving the screw head out of the sleeve into its final subchondral position.
Q2: Can this Cannulated Headless Bone Screw Instrument Set also be used with standard differential-pitch screws?
Yes. Engineered as a versatile Cannulated Headless Bone Screw Instrument Set, the tray includes both the compression-sleeve/holding-sleeve assemblies for HCS screws and the direct self-retaining cannulated screwdrivers and countersinks required for standard conical or differential-pitch self-compressing headless screws.
Q3: What anatomical procedures are covered by this Intra-Articular and Subchondral Fracture Fixation Set?
Configured as a multi-diameter Intra-Articular and Subchondral Fracture Fixation Set, the platform covers scaphoid and carpal fractures, radial head and capitellar elbow fractures, hallux valgus (bunion) and forefoot osteotomies, osteochondral talar and femoral condyle defects, and midfoot/hindfoot arthrodeses.
Q4: What are the sterilization parameters for the Headless Screw Instrument Set container?
The anodized aluminum sterilization container is validated for standard hospital pre-vacuum steam autoclave sterilization at (132°C / 270°F) for 4 minutes with a minimum 20–30 minute drying cycle, as well as 134°C (273°F) for 3 minutes under European/WHO sterilization protocols.
Q5: As a Headless Screw Instrument Set Manufacturer, do you offer OEM private-label branding and custom diameter modules?
Yes. As a direct Headless Screw Instrument Set Manufacturer, we provide comprehensive OEM and private-label services for orthopedic implant companies and regional distributors, including custom laser-etched brand logos, bespoke anodized case colors, modular diameter expansion (adding Ø 2.5mm Micro or Ø 5.5mm Large modules), and integrated screw caddies.
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