Covidien 6UN75R Adult Flexible Tracheostomy Tube Cuffless Reusable Inner Cannula

Shiley Flexible Adult Cuffless Tracheostomy Tube | 7.5mm | Reusable Inner Cannula | 6UN75R

The Shiley 6UN75R (manufactured by Covidien / Medtronic) is a premier adult-sized, cuffless flexible tracheostomy tube engineered to optimize long-term respiratory care, enhance patient comfort, and simplify daily maintenance routines. Forged from high-biocompatibility, flexible polyvinyl chloride (PVC), this advanced airway solution features a completely cuffless design paired with a heavy-duty reusable inner cannula system.

By eliminating the bulky inflatable cuff, the 6UN75R allows substantial natural airflow to bypass the outer cannula through the upper airway. This design significantly lowers tracheal wall pressure, minimizes mucosal irritation during neck movement, and provides an ideal configuration for spontaneously breathing patients, speech rehabilitation, and clinical teams navigating pulmonary weaning milestones.

Key Performance Features

• Reusable Inner Cannula Integration: Engineered with a specialized, rigid inner cannula (6.5mm ID) designed for safe, repetitive removal, chemical cleaning, and sanitization. This features eliminates the continuous cost of single-use plastics while preventing mucus encrustation and airway narrowing.

• Trauma-Reducing Pliable Body: Built with a highly flexible PVC outer core that adapts dynamically to patient anatomy and neck movement, lowering the risk of tip-scrape injuries, granuloma formation, or localized stoma friction.

• Maximized Upper Airflow Profile: The sleek, cuffless architecture leaves the tracheal lumen open, increasing passive airflow around the outside of the tube to facilitate easier breathing, natural secretion clearance, and low-effort speech production.

• Clear Vision Monitoring Flange: Outfitted with a clear, wide neck flange that distributes pressure evenly over the neck muscles. The transparent material allows clinicians and home caregivers to visually monitor the underlying stoma site for early signs of skin irritation, redness, or infection.

Technical Specifications

• Manufacturer: Covidien (Medtronic) / Shiley Tracheostomy Products

• Model Number: 6UN75R (also cataloged as 6-UN75R)

• Size Designation: Size 7.5 Adult Configuration

• Outer Cannula Dimensions: 7.5 mm Inner Diameter (ID) / 10.8 mm Outer Diameter (OD)

• Outer Tube Working Length: 74 mm Length

• Inner Cannula Dimensions: 6.5 mm Inner Diameter (ID) Reusable Insert

• Material Composition: Sterile, Medical-Grade, Biocompatible Clear PVC

• Proximal Connection: Standard 15 mm Rigid Hub (fully compatible with standard mechanical ventilator circuits, T-pieces, and speaking valve attachments)

Clinical and Maintenance Advantages

• Eliminates Cuff-Mediated Injuries: Operating without an inflatable balloon removes the risks of tracheal wall over-inflation necrosis, tracheal stenosis, and pressure-induced mucosal ulcerations.

• Cost-Efficient Facility Management: Sourcing the reusable inner cannula model reduces recurring monthly supply overheads for long-term acute care facilities (LTACs) and home health agencies by lowering single-use disposable inventory burn rates.

• Smooth Placement Geometry: Ships with a custom-fit, rounded obturator that fills the inner lumen perfectly during insertion, providing a smooth, step-less transition at the beveled distal tip to minimize insertion friction.

Ideal Applications

• Long-Term Step-Down Care: Spontaneously breathing tracheostomy patients with a low risk of aspiration who no longer require cuffed airway isolation.

• Speech and Vocalization Trials: Facilitating natural airway training and speech therapy sessions utilizing capping trials or inline speaking valves.

• Home-Based Pulmonary Management: Chronic care environments where a durable, cleanable, and reusable inner cannula setup is preferred over single-use clinical supplies.