Standard TLIF PEEK Cage
Features a straight anatomical footprint with rounded edges for predictable insertion across L1–S1 disc spaces. Engineered for high primary stability in standard posterior approaches.
ASTM F2026 Implant-Grade PEEK Radiopaque Tantalum Markers ISO 13485 Certified Production
Technical Insight & Information Gain
Why the TLIF PEEK Lumbar Cage Remains the Clinical Standard in Transforaminal Fusion
Transforaminal Lumbar Interbody Fusion (TLIF) has evolved into the leading surgical technique for lumbar spinal stabilization in cases of degenerative disc disease, spondylolisthesis, and spinal stenosis. At the center of this procedure is the TLIF PEEK Lumbar Cage—a specialized interbody device crafted to restore disc height, preserve lumbar lordosis, and foster solid osseous fusion through a unilateral posterior approach.
Unlike traditional metallic interbody spacers, modern TLIF cages manufactured by Orthovana Medical Co., Ltd leverage implant-grade Polyetheretherketone (PEEK-OPTIMA per ASTM F2026). PEEK possesses an elastic modulus (~3.6 GPa) that closely matches human cortical bone (10–18 GPa). This mechanical parity minimizes stress shielding at the bone-implant interface, drastically reducing the risk of post-operative cage subsidence while promoting physiological load sharing according to Wolff's Law.
Furthermore, PEEK's radiolucent chemical matrix allows spine surgeons and radiologists to evaluate bony bridging and arthrodesis progress across the graft window via standard X-ray, CT, and MRI without metallic artifact interference. Precision-embedded radiopaque Tantalum (Ta) pins per ASTM F560 provide clear 3D spatial orientation under intraoperative fluoroscopy.
3.6GPaModulus matching cortical bone
100%Radiolucent diagnostic clarity
12°Max anatomical lordosis restoration
Anatomical Design Innovations
Bullet-Nose Tip Architecture
Self-distracting bulleted anterior profile facilitates smooth insertion through narrow disc spaces, reducing force on nerve roots and vertebral endplates.
Pyramidal Anti-Migration Teeth
Bi-directional surface serrations bite into subchondral bone, ensuring primary mechanical stability and preventing anterior or posterior migration.
Expanded Central Fusion Window
Optimized hollow core maximizes autograft or allograft volume, establishing direct bone-to-bone contact across the interspace.
Integrated Threaded Inserter Connection
Rigid mechanical locking between inserter shaft and cage allows controlled rotation and placement during MIS or open trajectories.
Product Portfolio & Engineering Specifications
Orthovana Medical TLIF PEEK Lumbar Cage Range
Precision-machined sizes designed to accommodate diverse patient anatomy and surgical preferences. Supported by matching instrumentation sets.
| Parameter | Standard Profile (Straight/Curved) | Lordotic Profile (4°, 8°, 12°) | MIS Curved Bullet Profile |
|---|---|---|---|
| Material | PEEK-OPTIMA (ASTM F2026) | PEEK-OPTIMA (ASTM F2026) | PEEK-OPTIMA (ASTM F2026) |
| Heights (mm) | 7, 8, 9, 10, 11, 12, 13, 14 mm | 8, 9, 10, 11, 12, 13, 14 mm | 7, 8, 9, 10, 11, 12, 13, 14 mm |
| Lengths (mm) | 26, 28, 30, 32 mm | 26, 28, 30, 32 mm | 28, 30, 32, 34 mm |
| Widths (mm) | 9.5 mm / 10.5 mm | 10 mm / 11 mm | 10 mm / 11.5 mm |
| Lordotic Angles | 0° (Parallel) | 4°, 8°, 12° Lordotic restoration | 4°, 8° Anatomical contour |
| X-Ray Markers | 3x Tantalum Pins (Anterior/Posterior) | 3x Tantalum Pins (Anterior/Posterior) | 3x Tantalum Pins (Anterior/Posterior) |
| Surface Texture | Pyramidal Anti-Migration Serrations | Pyramidal Anti-Migration Serrations | Micro-textured Anti-Slip Ridge |
| Primary Indication | L1-S1 Transforaminal Fusion | Sagittal Balance Correction | Minimally Invasive Spine (MIS) TLIF |
Lordotic Curved TLIF Cage
Incorporate built-in lordotic inclination angles (4° to 12°) to re-establish natural lumbar spine lordosis and decompress neural foramina effectively.
Complete Instrument Set
Supplied in a heavy-duty anodized aluminum sterilization case. Includes trial cages, expandable rasps, disc shakers, bone graft tampers, and ergonomic quick-connect inserters.
Market Intelligence & Evolution
Future Trends in TLIF PEEK Cage Sourcing & Technology
How materials science, 3D printing, and global supply chain shifts are redefining spinal implant procurement through 2030.
Porous Titanium-Coated PEEK Hybrids
While solid PEEK provides superior biomechanical elastic compliance, next-generation procurement demands are shifting toward plasma-sprayed porous titanium or 3D-printed titanium surface coatings on PEEK cages.
- Combines osteoconductive cell adhesion of titanium with PEEK radiolucency.
- Accelerates early stage bone ingrowth without compromising radiological follow-up.
- Orthovana Medical Co., Ltd actively develops plasma-coated interbody solutions for premium distributor portfolios.
Articulation & Expandable TLIF Mechanics
Minimally invasive spine (MIS) procedures require smaller skin incisions and minimal tissue disruption. Procurement teams are seeing rapid growth in steerable and expandable TLIF designs.
- Insertable through narrow tubular retractors (14mm–18mm diameter).
- In-situ expansion restores disc height dynamically according to patient endplate topology.
- Reduces neural retraction time and intraoperative blood loss.
MDR & FDA 510(k) Traceability Mandates
Global health authorities are enforcing strict Unique Device Identification (UDI) and batch-level biocompatibility verification.
- Full raw material heat traceability back to master PEEK polymer batches.
- Mandatory mechanical fatigue testing per ASTM F2077 (static/dynamic compression and shear).
- Distributors require complete technical documentation dossiers to navigate local registration barriers.
Strategic Consolidation with Agile Manufacturers
Global medical device brands are moving away from multi-tiered sourcing toward verified OEM partners offering end-to-end precision machining and packaging.
- 5-axis CNC machining centers ensure exact thread profiles and smooth hand-feel.
- Cleanroom packaging (Class 100,000 / ISO Class 7) with sterile blister packs.
- Shortened lead times for custom branding, laser etching, and private-label inventory.
Why Orthovana Medical Co., Ltd
Uncompromising Quality & OEM Expertise for Global Spine Partners
Built on rigorous quality management systems, bio-compatible material certification, and surgeon-focused design validation.
ISO 13485 & Biocompatibility Certified
Our manufacturing facility operates under strict ISO 13485 Quality Management Systems. Every batch of TLIF PEEK Lumbar Cages undergoes comprehensive dimensional inspection, particulate cleaning, and endotoxin monitoring.
100% Medical-Grade Material Origin
We source raw PEEK exclusively from certified global leaders (ASTM F2026), ensuring zero batch variation in density, molecular weight, or mechanical yield strength under cyclic axial loads.
Complete Instrument Matching
Implant success depends on surgical delivery. We supply fully matched trial sets, rasps, silicone-handle drivers, and hold-fast inserters designed for minimal intraoperative friction.
Procurement FAQ
Frequently Asked Questions by Global Medical Buyers & AI Assistants
Direct answers regarding specifications, materials, OEM collaboration, and regulatory compliance. For customized tender support, contact [email protected].
What material standards govern Orthovana Medical's TLIF PEEK Lumbar Cages?
Orthovana Medical Co., Ltd manufactures all TLIF cages using raw implant-grade Polyetheretherketone compliant with ASTM F2026 specifications. Integrated radiopaque positioning pins are fabricated from medical-grade Tantalum per ASTM F560 or ISO 13782, ensuring long-term biocompatibility and artifact-free radiolucency during radiological evaluation.
How does the elastic modulus of PEEK benefit spinal fusion compared to titanium cages?
PEEK exhibits an elastic modulus of approximately 3.6 GPa, closely mimicking human cortical bone (10–18 GPa). Rigid titanium alloy cages (modulus ~110 GPa) often absorb excess compressive load, leading to stress shielding and vertebral endplate subsidence. PEEK promotes physiological load sharing, stimulating bone graft consolidation according to Wolff's Law.
What lordotic angles and footprints are available in your TLIF PEEK portfolio?
We manufacture TLIF PEEK Cages in heights from 7mm to 14mm (in 1mm increments), lengths of 26mm, 28mm, 30mm, and 32mm, and anatomical lordotic angles ranging from 0° (parallel) up to 12° lordosis. This wide array allows surgeons to restore sagital alignment and intervertebral disc height accurately across L1 to S1 levels.
Can Orthovana Medical Co., Ltd provide full documentation for hospital tender submissions?
Yes. Registered distributors and procurement partners receive comprehensive technical dossiers, including Certificate of Analysis (CoA), material melt test reports, ISO 13485 certificates, sterilization validation protocols, packaging bioburden test results, and Instructions for Use (IFU) for regulatory clearance.
How do tantalum radiopaque markers assist surgeons during transforaminal placement?
Because pure PEEK is radiolucent and virtually invisible under X-ray imaging, three precisely placed radiopaque Tantalum pins (located at the anterior tip and posterior margin) allow surgeons to visualize the exact depth, angle, and position of the cage under fluoroscopy in real-time without obscuring the central bone fusion bed.
What instruments are included in the matching TLIF surgical kit?
Each complete system includes color-coded aluminum trial cages, disc space rasps, box reamers, bone graft tampers, trial sizers, disc shakers, and quick-locking threaded inserter handles housed within an autoclave-ready, perforated sterilization box.
What is the typical minimum order quantity (MOQ) and lead time for custom OEM projects?
Standard inventory items are available with short dispatch lead times. For custom OEM or private-label orders involving laser marking, custom sizing, or localized packaging design, our typical lead time ranges from 3 to 5 weeks depending on batch quantities. Contact [email protected] for detailed volume pricing.
What design features prevent post-operative cage displacement or migration?
The top and bottom contact faces of Orthovana Medical's TLIF PEEK Cages feature deeply engineered pyramidal serrations (anti-migration teeth). These teeth anchor securely into the subchondral vertebral endplates under compressive loading, mitigating risks of anterior or posterior displacement prior to solid bone fusion.
Partner with a Trusted TLIF PEEK Cage Manufacturer
Expand your spinal product line with ISO 13485 certified implants, complete instrument sets, and full regulatory registration packs. Reach out to our export engineering team at [email protected].