Contour 3D™ annuloplasty ring for surgical valve repair
The Contour 3D annuloplasty ring is a remodeling ring with a physiological tricuspid valve shape — a 2-D shape and 3-D curvature based on CT data from functional tricuspid valves.
See the evidence
Overview
2-D shape
3-D curvature
The Contour 3D annuloplasty ring is a three-dimensional, anatomically shaped rigid remodeling ring for the treatment of functional tricuspid valve disease. The ring is designed to facilitate an asymmetric reduction annuloplasty.
Product details
The Contour 3D design is based on CT data from functional human tricuspid valves.
Rings that resemble the natural shape of the annulus provide better leaflet coaptation than planar rings by preserving greater leaflet mobility.1,2
Septal lateral compression is incorporated into the ring to address annular dilatation.
3-D curvature
Lateral compression
Real-world clinical evidence
Long-term results with three-dimensional rings: effective and durable3
A recent retrospective study analyzed 168 patients undergoing tricuspid valve repair either with Contour 3D or MC3™* rings. The cumulative incidence of recurrent tricuspid regurgitation (TR) ≥ 2+ was 14 ± 3.17% at long-term follow-up.
Rate of TR ≥ 2+
- 7.5 ± 3.69% in the Contour 3D group
- 20.3 ± 5.03% in the MC3 group
Cumulative incidence function of TR ≥ 2+
Low regurgitation recurrence4
In a retrospective analysis of 468 patients who underwent tricuspid valve repair with Contour 3D ring, 96.1% of the patients had no/trivial or mild TR and cumulative incidence for tricuspid valve reoperation was 2.0 ± 1.1% at six-year follow-up.
Cumulative incidence of reoperation
4 years: 1.1 ± 0.5%
6 years: 2.0 ± 1.1%
Tricuspid valve regurgitation
Key risks of tricuspid annuloplasty include recurrent regurgitation, stenosis, and ring dehiscence.
Product specifications and ordering information
Contour 3D tricuspid annuloplasty ring, Model 690R
| Order number |
Ring size (mm) |
A (mm) |
B (mm) |
C (mm) |
D (mm) |
E (mm) |
F (mm) |
Orifice area (mm2) |
|---|---|---|---|---|---|---|---|---|
| 690R26 | 26 | 24 | 32 | 16 | 24 | 10 | 7 | 326.1 |
| 690R28 | 28 | 26 | 34 | 18 | 25 | 11 | 7 | 387.2 |
| 690R30 | 30 | 28 | 36 | 19 | 27 | 12 | 8 | 449.2 |
| 690R32 | 32 | 30 | 38 | 21 | 28 | 13 | 8 | 512.4 |
| 690R34 | 34 | 32 | 40 | 22 | 30 | 14 | 9 | 588.6 |
| 690R36 | 36 | 34 | 42 | 23 | 31 | 15 | 9 | 665.1 |
Ordering information
| Order number | Description |
|---|---|
| T7690 | Contour 3D accessory tray |
| 7686 | Annuloplasty handle (216 mm length) |
| 7686L | Annuloplasty handle (254 mm length) |
| 7686XL | Annuloplasty handle (373 mm length) |
| 7690S | Contour 3D sizer set (6 reusable sizers, 26–36 mm) |
Medtronic Mitral Academy
View training, education, and collaboration information on the treatment of mitral and tricuspid valve disease.
Key risks of tricuspid annuloplasty include recurrent regurgitation, stenosis, and ring dehiscence.
*
™Third-party brands are trademarks of their respective owners.
References
1
Ratschiller T, Guenther T, Guenzinger R, et al. Early experiences with a new three-dimensional annuloplasty ring for the treatment of functional tricuspid regurgitation. Ann Thorac Surg. 2014;98(6):2039–2044.
2
Padala M, Hutchison RA, Croft LR, et al. Saddle shape of the mitral annulus reduces systolic strains on the P2 segment of the posterior mitral leaflet. Ann Thorac Surg. 2009;88(5):1499–1504.
3
Carino D, Zancanaro E, Lapenna E, et al. Long-term results of tricuspid annuloplasty with 3-dimensional-shaped rings: effective and durable! Eur J Cardiothorac Surg. 2021;60(1):115–121.
4
Dzilic E, Guenther T, Bouziani A, et al. Results after repair of functional tricuspid regurgitation with a three-dimensional annuloplasty ring. J Clin Med. 2021;10(21):5080.