Harrison Butler’s Lachrymal Cannula 3.8cm (1.5”) Ophthalmic Instrument

Harrison Butler’s Lachrymal Cannula 3.8cm (1.5”) – Specialized Tear Duct Irrigation

The precision standard for nasolacrimal patency. The Harrison Butler’s Lachrymal Cannula is a dedicated ophthalmic instrument engineered for the clinical irrigation and diagnostic probing of the tear drainage system. Featuring a refined 3.8cm (1.5”) profile and a characteristic curved tip, this cannula provides the mechanical necessity for accessing the lacrimal puncta and navigating the canaliculi. It is a foundational tool for ophthalmologists and clinical specialists managing chronic tearing, ductal blockages, and inflammatory conditions of the lacrimal sac.

[Add to Cart – Professional Ophthalmic Grade]

Key Features for Precision Lacrimal Work

• Anatomically Tapered Curved Tip: The distal end is meticulously curved to mirror the natural anatomy of the lacrimal canal, allowing for low-resistance insertion and smooth navigation through the proximal drainage system.
• Atraumatic High-Polish Finish: The entire shaft and tip are finished to a mirror-smooth surface, ensuring that the cannula glides over delicate mucosal linings without causing abrasions or creating "false passages."
• Optimal 3.8cm (1.5”) Length: This compact reach is specifically balanced to provide the practitioner with high tactile feedback, making it easier to "feel" strictures, stones, or complete obstructions within the duct.
• Universal Luer-Lock Hub: Equipped with a standard hub that secures easily to medical syringes, facilitating the controlled delivery of saline, antibiotics, or diagnostic dyes.
• Surgical-Grade Stainless Steel: Forged from premium medical steel for superior tensile strength and corrosion resistance, ensuring the fine tip maintains its precise curvature over time.
• Lightweight, Balanced Design: Engineered for a delicate touch, allowing for the steady hand movements required in microsurgical and diagnostic ophthalmic environments.

Product Overview: Clinical Excellence in Duct Management

The Harrison Butler’s Lachrymal Cannula is an essential instrument for diagnosing and treating disorders of the lacrimal apparatus. Its design focuses on the "Syringing and Probing" (S&P) technique, where fluid is introduced into the punctum to verify the patency of the nasolacrimal duct. By providing a secure connection to a syringe and a smooth distal tip, it allows the clinician to perform these maneuvers with high accuracy and minimal patient distress.

Built for the rigorous sterilization requirements of modern ophthalmology, this cannula is fully autoclavable and designed for a long clinical lifespan. Its reliability makes it a staple in both outpatient clinics and specialized surgical suites. Furthermore, its versatile 1.5-inch length makes it highly effective in veterinary ophthalmology for managing tear duct issues in small animals, where precision is equally paramount.

Specifications & Clinical Applications

Feature Details

Material Premium Surgical Stainless Steel

Total Length 3.8cm (1.5 Inches)

Tip Profile Fine, Blunt Curved Tip

Connection Type Standard Luer Hub

Maintenance Fully Autoclavable / Reusable

Primary Use Cases:

• Lacrimal System Irrigation: Flushing debris or purulent material from the tear ducts.
• Diagnostic Probing: Assessing the level of obstruction in patients with epiphora.
• Dacryocystitis Management: Delivering localized medications or flushing the lacrimal sac.
• Veterinary Ophthalmology: Probing and syringing tear ducts in domestic pets.
• Post-Operative Assessment: Confirming ductal patency following nasolacrimal surgery.

Why Professionals Choose Harrison Butler’s Cannula?

• Targeted Anatomical Design: The Harrison Butler pattern is specifically recognized for its ease of use in adult canalicular navigation.
• Maximized Safety: The blunt, polished tip is designed to be inherently atraumatic to sensitive ocular tissues.
• Superior Durability: High-quality steel construction prevents the lumen from collapsing or the tip from dulling.
• Workflow Integration: Fits seamlessly with standard clinical disposables for immediate procedural use.

Frequently Asked Questions (FAQ)

Q: Is the tip of this cannula sharp or blunt?

A: The tip is strictly blunt. It is an irrigation and probing tool designed to follow natural anatomical passages without piercing or cutting the tissue.

Q: How do I prevent blockages in the cannula lumen?

A: Immediately after the procedure, flush the cannula with distilled water or an enzymatic solution using a syringe. This prevents proteins or saline crystals from drying inside the fine tube.

Q: What is the difference between this and a standard Lang’s cannula?

A: While both serve similar purposes, the Harrison Butler pattern may feature slight variations in the degree of tip curvature or shaft taper, depending on the specific manufacturing pattern. Both are standard choices for lacrimal work.

Q: Can this cannula be used with 10cc syringes?

A: Yes, the hub is compatible with any standard Luer-slip or Luer-lock syringe (1cc to 20cc), though 2cc or 5cc syringes are most commonly used for better pressure control.