Stena™ Colonic Stent by Invamed—a global medical device manufacturer—is engineered for endoscopic deployment in colorectal strictures, providing rapid decompression and symptom relief in both malignant and benign obstructions. Featuring a self-expanding design and sturdy radial force, Stena™ ensures stable luminal patency while conforming to the challenging anatomy of the colon.
Self-Expanding Metal Mesh
Typically constructed of nitinol or a flexible metallic alloy, delivering robust radial force to keep colonic segments open in the face of external or intraluminal compression.
Low Profile & High Conformability
Accommodates the colon’s tortuous anatomy, minimizing migration risk and reducing patient discomfort after placement.
Immediate Luminal Patency
Expands promptly upon release, enabling relief from obstructive symptoms and allowing fecal passage or liquid diet quickly.
Malignant & Benign Indications
Suitable for palliative care in advanced colorectal cancer or short-term decompression in benign strictures (e.g., diverticular disease) where stent bridging is required.
禁忌症
Complete obstruction preventing guidewire passage, extremely angulated or perforated lesions, and acute peritonitis scenarios where stenting is not advised.
Technical Specifications
| 規格 | 細節 / 價值 |
| 產品名稱 | Stena™ Colonic Stent |
| Stent Material | Self-expanding nitinol (nickel-titanium alloy) |
| 部署機制 | Over-the-wire, introduced endoscopically (typical 10–12F delivery system) |
| Stent Diameter (expanded) | ~18–28 mm, adapted for various colonic segments |
| Stent Length Range | ~60–150 mm, enabling coverage of short or extended strictures |
| 不透輻射標記 | Proximal and distal markers to guide accurate placement under fluoroscopic/endoscopic visualization |
| 無菌 | Sterile, single use |
| 保質期 | ~3–5 years if stored unopened at 15–25 °C |
| 臨床適應症 | Colorectal cancer-related obstructions (palliative or bridge to surgery), benign stricture decompression |
Stena Colonic Stent - 2
| Stent Diameter (mm) | Stent Length (mm) | Delivery System OD (F) | 產品編號 | 注意事項 |
| 18 | 60 | 10F | STN-CS-18x60-10F | Smaller diameter for narrower colonic segments |
| 18 | 80 | 10F | STN-CS-18x80-10F | Extended length for moderate lesions |
| 20 | 80 | 10F | STN-CS-20x80-10F | Common size for typical colonic strictures |
| 20 | 100 | 12F | STN-CS-20x100-12F | Longer stent for extended malignant obstruction |
| 23 | 100 | 12F | STN-CS-23x100-12F | Slightly larger diameter for advanced lesions |
| 23 | 120 | 12F | STN-CS-23x120-12F | Covers extensive colonic stricture |
| 28 | 120 | 12F | STN-CS-28x120-12F | Largest diameter for wide colonic lumen; advanced coverage |
| 28 | 150 | 12F | STN-CS-28x150-12F | Maximum length for diffuse or multi-segment narrowing |
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