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Products

• Coronary Stents
  • Genous
  • Blazer
  • R stent
    • Dual Helix Design
    • R stent in Clinical Practice
    • Sidebranchability
      • Unsurpassed Sidebranchability
      • Angles of Intersection
      • Perimeter of Stent Design
      • Perimeter of Intersection
      • Lesion Coverage
      • Minimal Distortional Effects
      • The SUPRA Technique
    • Product Information
      • Stent Specifications
      • Balloon Specifications
      • Compliance Chart
      • Ordering Information
    • Case Spotlights
      • Trifurcation Stenting
      • Circumflex Lesions
      • Small Vessel Stenting
      • Bifurcation Stenting
      • Direct Stenting
    • DIRECTOR Clinical Studies
      • Study Design
      • Centers
      • Full Report
    • RESTOR Clinical Studies
      • Study Design
      • Full Report
• PTCA Dilatation Catheter
  • Sapphire
  • Sapphire 1.25mm
  • Avita
• High Pressure PTCA Dilatation Catheter
  • Sapphire NC
  • Avita HP
• Focused Force Angioplasty Catheter
  • Scoreflex
  • SafeCut
• Coronary Guiding Catheter
  • Lumina

Perimeter of Intersection

• Determining the perimeter of the intersection of two vessels depends on three variables: the reference diameters of the main and side branch vessels and the angle of intersection.

For example, the table on the left below lists the perimeters for the intersections of various size vessels at a 30 degree angle. The R stent perimeter of 17.9mm allows it to accomodate all intersetions with the exception of being slightly less than the perimeter of the intersection of a 4.0mm main vessel and a 3.5mm side branch. With less acute angles, the R stent is able to accomodate all intersections. The R stent's unsurpassed sidebranchability accomodates realistic angle and reference diameters of side branch and main vessel combinations.

Perimeter of Intersection

		Main Vessel					Main Vessel
		3.0mm	3.5mm	4.0mm			3.0mm	3.5mm	4.0mm
	2.5mm	12.8mm	12.5mm	12.4mm		2.5mm	10.2mm	9.9mm	9.8mm
	3.0mm	NA	15.5mm	15.1mm		3.0mm	NA	12.3mm	2.0mm
	3.5mm	NA	NA	18.1mm		3.5mm	NA	NA	14.4mm