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Roadsaver® - Carotid artery stent system

Life is in the detail

The Roadsaver Carotid Artery Stent System is indicated for use in patients with carotid arterial atherosclerotic disease.

Characteristics

An innovative design1

Lesion-specific scaffolding2

Features the flexibility of an open-cell stent while outperforming the benefits of a closed-cell stent.3

  • Nickel titanium (Nitinol) double layer micromesh design
  • Provides good wall apposition4
  • Good in-vessel flexibility3
  • Allows for side branch patency5
  • Conforms to tortuous anatomies4
  • In-vivo tapering of braided nitinol design conforms to tapered ICA-CCA segments5

An evident objective

Four good reasons for choosing the Terumo Roadsaver:

  • 10-15% of all ischemic strokes originate from a stenosis inside the carotid artery6
  • The majority of strokes occurs post-procedure (+/- 67%)7
  • 66% of strokes occur after removal of the cerebral protection device because of plaque prolapse through stent struts8
  • Double-mesh scaffolding avoids protrusion of plaque through the struts4

Specific features

Fully re-sheathable and repositionable even after 50% of the stent's length has been deployed.9

  • 5-Fr rapid exchange delivery system
  • Low-profile makes the device crossable
  • Ideal for primary stenting
  • Smallest stent cell size (~ 375-500 μm)5

Sustained embolic protection

From the time of Roadsaver stent implantation, the patient will be protected against ipsilateral distal embolization.3

  • Designed to prevent plaque protrusion and emboli release after stent implantation3
  • Double-layer micromesh designed to contain plaque to the vessel wall3

General Specifications

Stent platform

ConstructionDouble layer, braided mesh
MaterialNitinol

Stent delivery system

Guidewire compatibility0.014" (0.36 mm)
Introducer sheath compatibility5 Fr (I.D. > 0.074'")
Delivery system constructionRapid exchange, RX segment length 24 cm
Usable catheter length143 cm

Item Specifications

Item
reference

Unconstrained dimensions (mm)

Implanted dimensions (mm)

Stent diameter

Micromesh layer stent length

Overall stent length

Vessel Ø 1 mm smaller
than unconstrained Ø

Vessel Ø 2 mm smaller
than unconstrained Ø

Vessel diameter

Micromesh layer length

Overall length

Vessel diameter

Micromesh layer length

Overall length

RDS-0520-143RX520254203332235
RDS-0530-143RX530374354733852
RDS-0540-143RX540474455935264
RDS-0616-143RX616225203242335
RDS-0625-143RX625335304443348
RDS-0630-143RX630405405344358
RDS-0718-143RX718256233552638
RDS-0725-143RX725356304753652
RDS-0730-143RX730406405354460
RDS-0820-143RX820257253662740
RDS-0825-143RX825357304963854
RDS-0830-143RX830407405564561
RDS-0840-143RX840477506766075
RDS-0920-143RX920338304573348
RDS-0930-143RX930408405574560
RDS-1020-143RX1020359304583550
RDS-1030-143RX10304394055845

60

 

 

 

 

 

 

 

 

 

See Also

References

1 Am J Cardiol. 2015 Sep 15;116(6):977-81. doi: 10.1016/j.amjcard.2015.05.063. Epub 2015 Jun 25.
2 Tailored carotid artery stenting, Pieniazek et al., J. Endovasc. Ther.
3 A novel carotid stent for sustained embolic protection, Subbarao Myla, Newport Beach, USA, Presentation CIRSE 14.-18.September 2013, Barcelona, Spain.
4 Safety of Slender 5Fr Transradial Approach for Carotid Artery Stenting With a Novel Nitinol Double-Layer Micromesh Stent. Kedev S., et al., Am J Cardiol. 2015 Sep 15;116(6):977-81. doi: 10.1016/j.amjcard.2015.05.063. Epub 2015 Jun 25.
5 Initial clinical experience with the micromesh roadsaver carotid artery stent for the treatment of patients with symptomatic carotid artery disease. Hopf-Jensen S, et al., J Endovasc Ther. 2015 Apr;22(2):220-5. doi: 10.1177/1526602815576337.
6 Cremonesi A et al. Carotid Artery Stenting an update EHJ2015.
7 Deloose, K. et al.,Clinical Evidence for Roadsaver Carotid Stent the CLEAR-ROAD trial, CIRSE 2014.
8 Amor, M. et al. Pre-Clinical and first clinical experiences with the Micromesh Carotid stent Roadsaver, LINC 2014.
9 See IFU.

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