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Boston Scientific Interject™ Contrast - Injection Therapy Needle Catheter
What It Is
This is an endoscopic injection needle catheter used during GI endoscopy (colonoscopy, gastroscopy, enteroscopy) to inject fluids - such as contrast agent, epinephrine, saline, or submucosal lifting agents - into the gastrointestinal wall.
Key Specifications (from the label)
| Parameter | Value |
|---|---|
| Needle gauge | 23 ga (0.6 mm) |
| Catheter total length | 240 cm |
| Needle projection from tip | 4 mm |
| Catheter outer diameter | 2.3 mm |
| Minimum working channel required | 2.8 mm |
| Contents | 1 device |
Traceability / Lot Information
| Field | Value |
|---|---|
| Catalog No. (REF) | M00518350 |
| GTIN | 08714729415114 |
| LOT | 30494453 |
| Use By (Expiry) | 2025-11-07 |
| CE Mark | 2797 (EU notified body) |
| Manufactured in | Costa Rica (Propark, Alajuela) |
| Sterilization | Ethylene oxide (EO) - sterile sealed |
Note: This device expired on November 7, 2025. As of today (August 4, 2026), it is past its use-by date and should not be used on patients.
Clinical Use ("CONTRAST" Designation)
The "Contrast" name refers to its primary use for submucosal contrast injection - the device allows endoscopists to:
- Mark lesion boundaries using contrast or dye (e.g., India ink tattooing)
- Inject submucosal fluid cushions for endoscopic mucosal resection (EMR) or endoscopic submucosal dissection (ESD)
- Administer hemostatic agents (epinephrine) for bleeding control
- Inject contrast medium for imaging guidance
Important Notes
- Expired - Use-by date was November 2025; the device should be removed from service.
- The 240 cm length is designed for use with long-scope procedures (colonoscopy, enteroscopy).
- Requires a minimum 2.8 mm working channel - standard therapeutic endoscopes are compatible; standard diagnostic scopes (2.0-2.4 mm channel) are not.
- Single-use, sterile device - do not resterilize.
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