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COCOON Duct Occluder

Cocoon Duct Occluder is a self expandable umbrella shaped device manufactured from braided Nitinol wires and coated with nano platinum atoms.

The Cocoon Duct Occluder is used in the transcatheter closure of patent ductus arteriosus.

Manufacturer documents

Manufacturer brochure (EN) →
Vascular Innovations Co., Ltd. (SMT group) · Revision not printed in the document.

COCOON Duct Occluder; exact manufacturer original verified.

Manufacturer brochure (EN)

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The Cocoon Duct Occluder is a percutaneous transcatheter occlusion device used in closure of patent ductus arteriosis with Platinum C0ating Technology (nitinol wire coated by with platinum atoms up to 25 μm).

Platinum coating makes Cocoon Occluders
- More Biocompatible
- Non Allergic
- Non Corrosive
- More Radiopaque for easy positioning in the defect
Hat-shaped tapered design ensures secured implantation at aorta and minimizes risk of migration in pulmonary artery

Device is filled with polyester fabric to assist thrombogenicity and risk of total occlusion of defect.

Extended retention portion provide proper positioning of device in the ductus arteriosus

100% occlusion rate at 1 month follow-up

Ability to recapture and redeploy
- Delivery Sheath with hemostasis valve adapter - used to deliver the device.
- Dilator – used to ease penetration of tissue
- Loader – used to introduce the Cocoon Duct Occluder into the delivery sheath.
- Delivery cable – The device is screwed onto the distal tip of the delivery cable, which allows for placement and retrieval of the device. The delivery cable is packed separately from the other accessories. The 6 French (CDC6F) delivery cable can be used with Cocoon Septal and PFO occluders. A smaller delivery cable, 5 French is available for the Cocoon Duct occluders. This cable is normally used in infants.
- The Cocoon Duct Occluder Accessory set is available in 6F, 7F, 8F and 9F sizes.
- Transcatheter closure of patent ductus arteriosis with a self-expanding platinum-coated nitinol device
  
  Abstract
  
  Aim: Assess the immediate and short-term results of transcatheter PDA closure with Cocoon Occluders.
  
  Patient: 60 patients (13 males and 47 females; aged from 4 months to 65 years old) underwent catheter-based PDA closure
  
  Conclusion: The devices were successfully deployed in all 60 patients. There were no serious procedural complications. Color Doppler demonstrated complete occlusion rate of 78.3%, 90.0% and 100% at 1 day, 1 month and 1 year after implantation, respectively. There was no statistical difference in serum nickel concentrations between pre- and post-implantation. Transcatheter PDA closure using a platinum-coated nitinol device can be performed safely and successfully. There was no evidence of nickel release or nickel reaction after device implantation. This device model may be an alternative for PDA closure, especially in patients with potential nickel allergy.
  
  The Journal of Invasive Cardiology (July 2009)
- “Platinum coated Cocoon Occluders prevents Nickel release”
  
  Key points
  - Very low Nickel release
  - No report of allergic reactions to Nickel
  - Zero incidence of Nickel allergic reactions and device-related erosion

Cocoon Duct Occluder

Cocoon Duct Occluder pubblication on Indian Heart Journal

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