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The Stevens Sub-Tenon’s Anesthesia Cannula 19G is a specialized ophthalmic cannula designed for controlled delivery of local anesthetic during Sub-Tenon’s anesthesia applications. Developed in the Stevens pattern, this cannula provides a fine, controlled working profile suitable for ophthalmic surgical environments where precise instrument handling is important.
The 19G specification provides a defined cannula size for compatible anesthesia delivery systems. Its narrow working profile allows the instrument to be incorporated into ophthalmic microsurgical setups where controlled positioning and fluid delivery are required. The cannula is intended for use by appropriately trained ophthalmic professionals according to established clinical protocols and the manufacturer’s intended-use instructions.
The Stevens Sub-Tenon’s configuration is designed specifically for ophthalmic anesthesia applications rather than general-purpose fluid delivery. Its working profile is intended to support controlled placement and delivery of anesthetic solution in the appropriate surgical setting. Exact shaft curvature, working length, tip geometry, connector type, and other dimensional details should be confirmed from the manufacturer’s specifications when precise compatibility is required.
Manufactured from surgical-grade instrument material, the cannula is designed for professional medical use and careful microsurgical handling. The 19G size provides a balance between a fine instrument profile and the fluid-delivery requirements of compatible ophthalmic anesthesia applications. The working end should be examined before use to ensure that it is free from visible damage, deformation, or obstruction.
The cannula can be incorporated into ophthalmic surgical instrument sets and anesthesia equipment where a compatible Sub-Tenon’s cannula is required. Its specialized design helps provide controlled instrument handling and consistent fluid delivery when used with an appropriate syringe or compatible delivery system. Compatibility should always be verified before use.
For reusable configurations, proper cleaning and sterilization are important for maintaining the instrument’s condition and performance. The cannula should be cleaned, inspected, and sterilized according to the manufacturer’s validated instructions and the healthcare facility’s established reprocessing protocol. Because cannulas have narrow internal pathways, appropriate inspection is particularly important to identify potential blockage or residual contamination. If the product is labeled single-use, it should not be reprocessed or reused.
The Stevens Sub-Tenon’s Anesthesia Cannula 19G is a practical addition to ophthalmic anesthesia instrument collections requiring a dedicated cannula for Sub-Tenon’s applications. Its 19G configuration, specialized ophthalmic design, and controlled fluid-delivery profile make it suitable for professional ophthalmic surgical environments where precise handling and reliable instrument performance are required.
Key Features
- Stevens pattern Sub-Tenon’s anesthesia cannula
- 19G ophthalmic cannula profile
- Designed for ophthalmic anesthesia applications
- Suitable for controlled anesthetic delivery
- Fine profile for delicate ophthalmic procedures
- Supports precise instrument positioning
- Compatible with appropriate fluid-delivery systems
- Surgical-grade instrument construction
- Suitable for professional ophthalmic surgical environments
- Working end should be inspected before use
- Internal pathway should be checked for obstruction
- Reusable or single-use status depends on manufacturer labeling
Product Specifications
| Specification | Details |
|---|---|
| Product Type | Ophthalmic Anesthesia Cannula |
| Pattern | Stevens |
| Application | Sub-Tenon’s Anesthesia |
| Gauge | 19G |
| Cannula Type | Sub-Tenon’s Anesthesia Cannula |
| Fluid | Local Anesthetic Solution |
| Material | Surgical-grade instrument material |
| Connector | Not specified |
| Working Length | Not specified |
| Tip Configuration | Not specified |
| Reusability | Depends on manufacturer labeling |
FAQs
What is a Stevens Sub-Tenon’s Anesthesia Cannula?
It is a specialized ophthalmic cannula designed for controlled delivery of local anesthetic in Sub-Tenon’s anesthesia applications.
What gauge is this Stevens cannula?
This model is 19G.
What is the Stevens cannula used for?
It is designed for compatible Sub-Tenon’s ophthalmic anesthesia applications and controlled delivery of anesthetic solution.
Is this cannula suitable for ophthalmic surgery?
Yes, it is designed specifically for professional ophthalmic anesthesia settings when used according to its intended purpose and applicable clinical protocols.
Can this cannula be reused?
Reusability depends on the manufacturer’s labeling. Reusable versions must be properly cleaned, inspected, and sterilized according to validated instructions.
How should a reusable Stevens cannula be sterilized?
Follow the manufacturer’s validated cleaning and sterilization instructions along with the healthcare facility’s established reprocessing protocol.
What should be checked before using the cannula?
Inspect the cannula for visible damage, deformation, blockage, or other defects, and verify compatibility with the intended delivery system before use.
