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Hoffmann ® II Compact™ External Fixation System For Use in Maxillofacial Surgery
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Hoffmann ®  II Compact™   External Fixation System   For Use in Maxillofacial Surgery - 1

OP TECHNIQUE Hoffmann® II Compact™ External Fixation System For Use in Maxillofacial Surgery In 1938, Raoul Hoffmann, a swiss surgeon from Geneva, Switzerland, designed a revolutionary External Fixation System. The basic features of this system were its modular design and the ability to reduce fractures or to make post operative corrections to the alignment of fragments in three planes with the frame in situ. The Hoffmann® II Compact ™ has built upon these principles, and today is the gold standard in modular external fixation. Certainly, the Hoffmann ® II family of products is unmatched in its ease-of-use, versatility, and patient comf

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Hoffmann ®  II Compact™   External Fixation System   For Use in Maxillofacial Surgery - 2

COMPONENTS The standard 4-Hole Pin Clamp is designed to build a variety of frames. The modularity of the system allows you to build different frames using the same basic components. The Pin to Rod Coupling connects Ø3mm or Ø4mm Apex® Pins to a rod. This feature can be used to capture a fracture segment or to build a frame using completely independent pin placement. The Ø5mm Rod to Rod Coupling connects Ø5mm rods together or a rod to a post. It can be used to build any standard frame. It can also be added to an assembled frame to help build a more stable construct if needed. The Straight...

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Hoffmann ®  II Compact™   External Fixation System   For Use in Maxillofacial Surgery - 3

RELATIVE INDICATIONS The Stryker® External Fixation System is intended to stabilize and provide treatment for fractures of the maxillofacial area, including severe open mandibular fractures, highly comminuted closed fractures, nonunions and delayed unions (especially associated with infection), fractures associated with infections, tumor resections, facial deformity corrections, gunshot wounds, pan facial fractures, burn maintenance, and bone grafting defects. RELATIVE CONTRAINDICATIONS • • • • If uncertainty exists with regard to the anatomic location of the neurovascular structures. The...

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Hoffmann ®  II Compact™   External Fixation System   For Use in Maxillofacial Surgery - 4

OPERATIVE TECHNIQUE STEP 1: Before Drilling, locate the desired screw location and select the appropriate drill guide length to ensure soft tissue protection. Drill the first hole at least 5mm from the fracture site using the 4 holes drill guide and the predrilling assembly. Use a Ø 2.2mm Drill to predrill a Ø 3mm Half Pin. NOTE: Please refer to the Apex Pin Fixation Brochure (Literature Number 5075-4-000) for detailed instructions about using the Apex Pin System. NOTE: If there is some uncertainty with regard to the anatomic location of the neurovascular structures, for instance due to...

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Hoffmann ®  II Compact™   External Fixation System   For Use in Maxillofacial Surgery - 5

Following Step 1 – 2, position and insert the third 3mm Apex-Blunt Half Pin on the opposite side and furthest from the defect. Position and insert the fourth Pin on the same side close to the fracture line. NOTE: Alternatively you can insert a pin on each side furthest from the defect. Clamp the Pin to Rod couplings to the pins. Connect the two Pin to Rod couplings with the semicircular curved rod. Continue by inserting a pin on each side closest to the fracture line. Place one Pin to Rod Coupling over each Half Pin and keep them at the desired distance from the skin. STEP 6: Click the...

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Hoffmann ®  II Compact™   External Fixation System   For Use in Maxillofacial Surgery - 6

Osteosynthesis STEP 7: Using the Thumbwheel, tighten the connecting Rods at the desired position in clockwise rotation. STEP 8: Before proceeding verify the correct alignment of the frame. While holding the fracture reduction in place, tighten the Pin to Rod Couplings using the 5mm wrench/Pin inserter. STEP 9: The frame is complete.

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Hoffmann ®  II Compact™   External Fixation System   For Use in Maxillofacial Surgery - 7

Ordering Information – Components Hoffmann® II Compact™ Components For Ø 5mm rods or posts/ Ø 3-4mm pins For Ø 5mm rods or posts Hoffmann® II Compact™ Ø 5mm Rods and Ø 15mm Tube Total Length Carbon Carbon Carbon Carbon Carbon Carbon Semi-Circular Curved Rod – Stainless Steel Semi-Circular Curved Rod – Stainless Steel Connecting Connecting Connecting Connecting Connecting Connecting Diameter Thread/Shaft Ordering Information – Hoffmann® II Compact™ Instruments Stabilization/Reduction Wrench Thumbwheel 5mm Wrench/ Ø 3-4mm Pin Driver 5mm Spanner Wrench Storage Case Lid Storage Case Insert...

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Hoffmann ®  II Compact™   External Fixation System   For Use in Maxillofacial Surgery - 8

fitting (optional) 5057-1-110 Drill Guide Handle 5057-1-117 Drill Guide Block HII Compact Ordering Information

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Hoffmann ®  II Compact™   External Fixation System   For Use in Maxillofacial Surgery - 9

MANUFACTURED AND DISTRIBUTED BY Stryker Trauma AG Bohnackerweg 1 CH-2545 Selzach Switzerland www.osteosynthesis.stryker.com The information presented in this brochure is intended to demonstrate a Stryker product. Always refer to the package insert, product label and/or user instructions before using any Stryker product. Products may not be available in all markets. Product availability is subject to the regulatory or medical practices that govern individual markets. Please contact your Stryker representative if you have questions about the availability of Stryker products in your area....

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