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Material: Surgical-grade stainless steel (SS), durable, lightweight, and corrosion-resistant.

Size: Available in a range of sizes, e.g., 100 mm to 200 mm.

Finish: Often a satin finish for a discreet, professional appearance.

Use: Used in orthopedic procedures to aid in bone fixation and consolidation, particularly as part of an implant set.

Multiple fixation points: The clamp is designed to accommodate multiple pins (e.g., 5 or 8 holes), allowing for the creation of solid structures for bone fragment fixation.

Configuration flexibility: Some clamps offer 70 to 80 degrees of movement, allowing independent positioning of pins in three dimensions and thus facilitating the construction of a flexible frame.

Component reduction: They incorporate features that reduce the number of parts required to build the fixation structure, thus optimizing inventory management.

Compatibility with various systems: The clamps are designed to accommodate external fixation systems with various pin and bar sizes, such as 11 mm carbon fiber bars.

High Compression Resistance: Aluminium exhibits excellent resistance to compression forces, with studies showing it can withstand up to 24,000 kg/cm².

Good Dimensional Stability: It does not deform under shock, heat, or pressure, ensuring the integrity of its surfaces during sterilization and use.

Poor Flexion and Traction Resistance: Aluminium’s resistance to bending (flexion) and pulling (traction) is significantly lower than most other metals, including stainless steel.

Breakable by Shock: Similar to hardened steel, it is breakable under strong, direct impacts.

Hard but Difficult to Work: Its hardness (grade 9 on the Mohs scale) requires special diamond tools for trimming and cutting, as no other metal can cut it.

Telescopic Design: The rod can extend or retract to achieve the desired length, making it versatile for different applications.

Graduated Markings: Etched measurements along the rod provide a precise visual reference for the amount of extension or retraction, allowing for accurate length adjustments.

Adjustable Length: The primary function is to allow for precise length control, crucial in applications like orthopedic surgery for aligning fixation devices.

Material: Often constructed from durable, high-quality materials like stainless steel or aluminum, chosen for their strength, corrosion resistance, and suitability for sterilization.

Portability: When collapsed, they are compact and easy to transport or pack, a significant advantage in field settings like surveying or travel.

Precision and Accuracy: The rod’s graduations and high-quality construction ensure reliable and precise measurements and alignment.

M8 Thin Hexagon Nuts (13mm A/F): These nuts have a standard M8 thread (8mm nominal size) and a 13mm width across the flats, used when surface space is restricted or to reinforce double nuts.

M13 (13mm) Hexagon Nuts: These nuts feature a 13mm nominal thread size and may have different thread pitches, such as a fine pitch (e.g., 1mm or 1.25mm).

The defining feature is an internally or externally threaded opening, which accepts screws or other components with corresponding threads.

Hexagonal Head: The threaded component typically has a hexagonal head, requiring a 2.5mm hex screwdriver for tightening.

K-Wire Holes: Pre-drilled holes are included for inserting k-wires, allowing for preliminary fixation to the bone and preliminary realignment of fractured femurs.

Compression Slots: Some plates incorporate compression slots, which allow for a controlled amount of compression to achieve a stable fixation.

Material: These plates are made from materials like titanium and its alloys, known for their biocompatibility, high corrosion resistance, and mechanical properties similar to bone.

Connection to Frame: These blocks connect the half pins, which are inserted into the bone, to a central ring or frame component of the external fixator.

Centers: They typically attach to a ring using a post and a one-hole cube, with a hexagonal set screw used to lock the centering sleeve in place.

Half Pin Attachment: They facilitate the attachment of half pins, allowing for the creation of a more rigid construct.

Size and Hole Configuration: Blocks are available with different numbers of holes (e.g., 2, 3, 4 holes) to accommodate various fixation needs.

Centering Sleeves: Centering sleeves are used to ensure that half pins are properly aligned within the block, providing a more stable connection to the half pin itself.

Load Distribution: Washers and spacers help distribute the load from a fastener across a larger surface area.

Spacing: They create a precise gap or standoff between two components, which is essential for proper alignment and function.

Vibration Absorption: They can help absorb and reduce vibrations within an assembly.

Surface Protection: By providing a barrier, they prevent damage to the surfaces of the connected parts.

Specialized Use (SKF ZW Washers): Specific spacing washers, like those from SKF, are designed for bearing relubrication, creating a channel for fresh grease to pass through.

Axial Force: The conical shape allows the washer to act as a spring, providing a constant axial force that maintains tension in a bolted joint, even under vibration or thermal expansion.

Vibration Damping: The spring action absorbs and dissipates vibrations, which reduces mechanical noise, prevents loosening, and minimizes wear on components.

Load-Bearing Ability: Conical washers are designed to provide a high level of load-bearing ability in a small area, making them suitable for various industrial and automotive applications.

Enhanced Locking Properties: The surfaces of these washers can be serrated or toothed, which enhances their locking properties, offering an increased grip and preventing screws from loosening.
Dental Application (Conical Connection)

Bio-mechanical Interface: The conical connection between the dental implant and the abutment (the part that supports the crown) is designed to create a stable and secure junction.

Allows Dynamization: The Dyna Ring Clamp enables controlled dynamization, which means allowing some movement and stress on the bone during the healing process, promoting new bone formation.

Attaches to the LRS Rail: It connects to the double-grooved rail of the Limb Reconstruction System (LRS) to hold the bone screws and provide support.

Facilitates Gradual Correction: It is used to control the gradual correction of bone deformities, both angular and translational, in diaphyseal and metaphyseal regions.
Provides Stability and Controlled

Movement: The clamp can be adjusted to lock the bone segments for rigid fixation or unlocked to permit controlled movement and stress (dynamization).

Chamfered Ends: The ends are beveled to allow for smooth, easy insertion into the fastener’s socket, reducing wear and preventing damage.

Standard: Often made to DIN 911 standards, which is a recognized European standard for hexagonal wrenches.

Surface Finish: Can have a black oxide or plain, uncoated finish. A black oxide finish offers some corrosion resistance, while a plain finish will rust over time.