TOSCA® — Cervical stabilization plate
Anterior cervical stabilization plate (C2–C7), semi-rigid and ultra-thin (1.6 mm), pre-lordosed — for constructs from one to four segments, with standard or expansion self-tapping screws.
TOSCA® is a plate-and-screw system for anterior (ventral) cervical stabilization of the C2–C7 segment, developed by SIGNUS. The pre-lordosed plate is available in various lengths, for constructs from one to four segments, and is adapted to the natural lordosis of the cervical spine — so that, in most cases, it can be implanted without additional bending. With a thickness of only 1.6 mm, TOSCA® is one of the thinnest plates on the market.
The semi-rigid plate–screw connection is the defining principle: it reduces the stress-shielding effect and allows optimal load transfer to the bone (Wolff’s law), supporting fusion of the segment and physiological subsidence ("graft settling"). The self-tapping screws do not require pre-tapping and have an angular variability of 5° in all directions. The system is made of biocompatible titanium alloy (Ti-6Al-4V).
TOSCA® is available in two fixation variants. The Standard variant uses standard variable-angle screws (Ø 4.0 / 4.5 mm, lengths 12–26 mm), allowing mono- or bicortical anchorage. The Expansion variant adds expansion screws, in variable-angle and fixed-angle versions, which provide primary stability comparable to that of bicortical screws but without the risk of dural injury — useful in poor-quality bone and in long constructs. With a connecting screw, TOSCA® can be fixed to the SIGNUS cervical vertebral body replacement implants (ATHLET®, PALIO®) and to the disc cages (RABEA®, NUBIC®, JASPIS® ST), as well as to a bone graft, for a secure construct.
- Cervical degenerative disc disease (C2–C7).
- Spinal canal stenosis; spondylolisthesis.
- Trauma; tumor; deformity.
- Pseudarthrosis or absence of fusion.
Semi-rigid, thin plate (1.6 mm)
Minimal stress-shielding effect, optimal load transfer (Wolff’s law); supports fusion and physiological subsidence.
Pre-lordosed, 1–4 segments
Optimal adaptation to the patient’s anatomy; in most cases implantable without additional bending.
Self-tapping screws
No pre-tapping; angular variability of 5° in all directions.
Mono- and bicortical anchorage
Standard variant: Ø 4.0 / 4.5 mm screws, lengths up to 26 mm.
Expansion screws
Expansion variant: primary stability as with bicortical, without the risk of dural injury — useful in poor-quality bone and in long constructs.
Connection to SIGNUS implants
Connecting screw to ATHLET®/PALIO®, to the RABEA®/NUBIC®/JASPIS® ST cages, and to the bone graft.
Color coding
Easy identification of sizes (Ø 4.0 mm green, Ø 4.5 mm blue).
- Type
- Plate-and-screw system for anterior cervical stabilization (ACF), semi-rigid, pre-lordosed
- Level
- Cervical spine C2–C7; constructs from 1 to 4 segments
- Material
- Biocompatible titanium alloy (Ti-6Al-4V)
- Plate thickness
- 1.6 mm (one of the thinnest on the market)
- Plates (lengths)
- 22–100 mm (1 seg. 22–36 · 2 seg. 38–54 · 3 seg. 50–71 · 4 seg. 68–100 mm)
- Standard screws
- Self-tapping, variable angle 5°; Ø 4.0 and 4.5 mm; lengths 12–26 mm; mono-/bicortical
- Expansion screws
- Self-tapping, variable angle (5°) and fixed angle; Ø 4.0 and 4.5 mm; lengths 12–16 mm
- Color coding
- Ø 4.0 mm — green; Ø 4.5 mm — blue
- Connection
- Connecting screw to ATHLET®/PALIO® (VBR), RABEA®/NUBIC®/JASPIS® ST (cage), and to bone graft
- Instrumentation / supply
- Dedicated TOSCA II instrumentation; single-use, sterile implants
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