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Cookie PolicyCrown PrtTM
Crown PRTTM
The Crowning touch
Crowning design:
- Smooth handling
- Straight forward implantability
- Ample versatility1
Crowning performance:
- Favorable hemodynamics3-6
Not approved in all geographies. Please consult your labeling.
CC-MK-00031 A
Easy to Handle and Implant
FLEXIBLE STENT
CROWN PRT’ s flexible stent provides resilience towards possible deformations during implant and robustness towards creep over time.*
VISIBLE MARKERS
CROWN PRT’ s sewing cuff visible markers are aimed to help precise valve placement and evenly distribute sutures.
RADIOPAQUE MARKERS
CROWN PRT’ s sewing cuff offers radiopaque information on its precise position through a specially shaped insert, impregnated with tungsten powder.
*CORCYM data on file.
Versatile
SLIM, ELASTIC SEWING CUFF
The malleable sewing cuff facilitates implantation by allowing conformability to different types of annuli, even stiff / calcified and / or irregular roots.
“The slim sewing ring also serves this goal and is slightly malleable so that implantation in stiff roots is facilitated.” 1
LOW PROFILE TISSUE VALVE
Clearance of both coronary ostia and sino - tubular junction is assured, even in narrow aortic roots. The low / flat profile also allows the Surgeon great visibility of the aortic anatomy during the procedure.
“Coronary clearance is ensured by the flat profile, which also facilitates knot lowering.” 1
Valve design
SINGLE BOVINE PERICARDIUM OUTER LAYER
CROWN PRT’s single bovine pericardium layer is mounted outside the stent. This optimizes hemodynamic performance by maximizing the flow area through a synchronous and unimpeded opening of the leaflets. 2
ONE-SEAM KNIT POLYESTER
It allows for a smooth contact surface between pericardium and synthetic material. Cushioned leaflet contact may reduce pericardium wear, enhancing valve durability.
CROSS-STITCH PATTERN
By distributing stress on the commissures, pressure forces on the valve posts may be relieved during the cardiac cycle.
Treated to Last
PHOSPHOLIPID REDUCTION TREATMENT (PRT)
The presence of phospholipids in the pericardial tissue play a key role in the calcification process of bioprostheses as their phosphate heads are potential binding sites for circulating calcium ions.
Crown PRT features CORCYM’s patented PRT which has proved to decrease phospholipid content in pericardial tissue leading to a remarkable reduction of calcium uptake compared to control tissue.*
The PRT process removes phospholipids using Octanediol, a long chain alcohol that possesses a lipid-soluble tail to aid its solubility in phospholipids heads and a water-soluble head to allow removal by rinsing pericardial layers before valve manufacturing.
*CORCYM data on file.
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