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COCOON PFO Occluder

Cocoon PFO Occluder is a self-expandable device realized in Nitinol wire mesh coated with nanoplatinum atoms.

Cocoon PFO Occluder is intended for the occlusion of all types of PFO’s in patients with a history of stroke diagnosed by echo-cardiography with right-to-left shunting during Valsalva maneuver.

Brochure

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It is a self expandable and self centering double disk device manufactured from braided Nitinol wires coated with platinum atoms (up to 25 microns) using nano fusion technology by plasma deposition.

Platinum coating makes Cocoon Occluders
- - Biocompatible
  - Non Allergic
  - Non Corrosive
  - More Radiopaque
The two discs are linked together by a short connecting waist allowing free motion of each disc.

The discs are filled with polyester fabric to assist thrombogenicity in total occlusion of defect.

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 Coccon PFO 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 delivery cable can be used with Cocoon Duct and Septal occluders. The Cocoon PFO Occluder Accessory set is available in 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

CardioVascular Innovations 2018 by Jonathan Schwartz, MD

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