Ra ZK - knitted vascular patch with collagen

The vascular patch is made of polyester filament yarn using knitting technology and it is covered on the marked side with a continuous layer of type I bovine collagen.


  • It can be cut to any shape
  • It is strong, elastic, easy to pierce and it does not fray
  • It is sterilized by irradiation
  • A custom size can also be manufactured by agreement
  • The expiration period is 3 years


The knitted vascular patches with collagen, Ra ZK, are suitable for use as patches in vascular procedures on any artery or prosthesis where this surgery is indicated. The patches are applicable under full heparinisation of the patient. With arteries of a small lumen it is necessary to consider carefully whether the thickness of the patch wall corresponds to the thickness of the artery wall.

Product types

Thickness [mm] Size: width x length [mm] Catalogue number
0,4 (anatomical shape) 8 x 75 020-0875
0,4 13 x 80 020-1380
0,4 13 x 100 020-1310
0,4 35 x 100 020-3510

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