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Cryotop® SC

Cryotop® SC continues to obtain the same excellent results as its Open System version.

Vitrificación Cryotop® closed system

With our closed system the device is sealed within a straw, it allows the vitrification of the specimens without them entering into direct contact with the liquid nitrogen. This sealed protocol ensures success during vitrification guaranteeing safe storage.

Highest survival rates

Cryotop® Method offers excellent survival rates for oocytes and embryos in all stages of development, reported in numerous clinical publications with the largest study samples in the whole sector 

Cryotop® Survival rates in human specimen

  • 100%
  • 90%
  • 80%
  • 70%
  • 60%
  • 50%
  • 40%
  • 30%
  • 20%
  • 10%
  • 0%
  • Oocytesn=2.770
    Braga D.P.
  • Oocytesn=591
    Chamayou S.
  • Oocytesn=35.654
    Cornet-Bartolomé D.
  • Embryosn=303
    Xue Y.
  • Embryosn=2.617
    La Marca A.
  • Blastocystn=528
    Coello A.
  • Blastocystn=8.736
    Ueno S.
  • Blastocystn=3818
    Hernández-Nieto et al.
  • PGT Embryosn=90
    Sekhon L.
  • PGT Embryosn=2.129
    Cimadomo D.

In our publications section you will find the most relevant research on vitrification conducted using Kitazato products by IVF professionals and scientists from all over the world.

Cryotop® SC is a vitrification device consisting of a fine strip of transparent film connected to a plastic handle resistant to liquid nitrogen. Its design allows the loading of specimens for vitrification with a minimum volume (0.1 µl), a differentiating factor when achieving the best survival rates.

Vitrificación Cryotop® SC Sistema Cerrado
Cryotop® SC características

Main characteristics:

  • Allows up to 4 specimens to be loaded per device.
  • External straw with widened end, allowing the easy insertion of the Cryotop® SC. Minimum thickness aids the cooling rate.
  • Conical join between the strip of film and the plastic body; improves insertion, preventing abrupt entry.
  • L shaped tip to protect the sample during insertion of the Cryotop® into the external straw.
  • Black mark to know on which side the specimens must be loaded (L facing upwards); especially useful during warming.
  • Manufactured in malleable plastic resistant to liquid nitrogen.
  • Available in packs of 10 units.

This sealed protocol ensures success during vitrification guaranteeing safe storage.


Repro Plate

Repro plate
Exclusively designed to follow the vitrification protocol with comfort; offers two slots to support the Cryotop®, allowing those who wish to carry out loading specimens statically. Has a flat base which allows the use of traceability labels.

Cooling Rack

Cooling rack
Designed to contain the liquid nitrogen during vitrification. Metallic cover for the interior also available, allowing sterilisation before use.

Aluminum Block

Aluminum block

Block of aluminum with three preset positions; guarantees success in the insertion and sealing process as well as the effective extraction of the Cryotop® from the straw during warming.

Straw Cutter

Allows the external straw to be cut during the vitrification and warming processes.


Heat Sealer
With a rapid application it allows the easy sealing of the external straw of the Cryotop® SC.

81125 CR SC-Y Cryotop® SC Yellow
81124 CR SC-B Cryotop® SC Blue
81123 CR SC-W Cryotop® SC White
81122 CR SC-R Cryotop® SC Red
81121 CR SC-G Cryotop® SC Green
K Reproplate
94123 SET RACK-L Cooling Rack+Steel Box-Large
94122 SET RACK-S Cooling Rack+Steel Box-Short
84115 BLOCK SC Aluminum Block for Cryotop® SC
84117 CUTTER SC Straw Cutter for Cryotop® SC
84119 HEAT SEALER Heat Sealer for Cryotop® SC
91101 VT601 Vitrification Solutions*
91121 VT602 Thawing Solutions*
91171 VT801 Vitrification Solutions*
91182 VT802 Thawing Solutions*
81115 CR-Y Cryotop® Yellow
81114 CR-B Cryotop® Blue
81113 CR-W Cryotop® White
81112 CR-R Cryotop® Red
81111 CR-G Cryotop® Green
*These products are only available in selected countries

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