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Master 7-lla Spinal System

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1.Master 7-lla Spinal System Product Specifications


11278 Mono-axial Screw


Product No. Dia.
Length
11278-(030-055) 5.0 30-55
11124-(135-147) 5.5 35/37.5/40/42.5/45/47.5
11124-(022-032) 6.0 50/52.5/55/57.5/60/62.5/65/70

11279 Poly-axial Screw


Product No. Dia
Length
11125-(012-018) 3.5 12/14/16/18


11280 Fixing Rod IV (φ5.5)


Product No. Dia
Length
11125-(112-118) 3.5 12/14/16/18


11281 Fixing Rod IV(φ5.5)


Product No. Dia
Length
11126-(012-018) 2.5 12/14/16/18


11282 Break-off Setscrew


Product No. Dia
Length
11126-(012-018) 2.5 12/14/16/18


2.Master 7-lla Spinal System Product Features


The Master 7-LLA Spinal System is engineered to provide rigid posterior fixation of the thoracic, lumbar, and sacral spine, offering precision, strength, and flexibility for a wide range of spinal pathologies.


1. Low-Profile, Anatomically Contoured Design

  • Reduced implant profile to minimize soft tissue disruption and postoperative discomfort.

  • Anatomically contoured rods and tulip heads designed to fit patient anatomy and optimize construct alignment.


2. Polyaxial and Monoaxial Screws

  • Polyaxial screws with a wide angulation range (typically ±25°–30°) for ease of placement and rod capture.

  • Monoaxial screws available for specific trauma or deformity correction needs.


3. Cannulated & Non-Cannulated Pedicle Screws

  • Cannulated screws compatible with minimally invasive techniques and guidewire-assisted insertion.

  • Available in multiple diameters and lengths for precise pedicle targeting.


4. Secure Locking Mechanism

  • Dual-lead screw thread with a reliable locking cap or set screw system ensures secure rod capture and prevents loosening.

  • Anti-cross-threading design enhances ease of insertion and safety.


5. Multiple Rod Options

  • Rod diameters typically ranging from 5.5 mm to 6.0 mm, in titanium or CoCr (cobalt-chrome) materials.

  • Compatible with pre-bent and intraoperatively bendable rods for optimal spinal contouring.


6. Versatile Connectors and Reduction Tools

  • Full range of crosslinks, lateral connectors, domino connectors, and reduction screws.

  • Facilitates complex reconstructions, deformity corrections, and revision procedures.


⚙️ 7. Comprehensive Instrumentation System

  • Ergonomic, color-coded instruments with quick-connect features.

  • Designed for open and MIS (minimally invasive) techniques.

  • Instruments allow for power-assisted insertion, reduction, and compression/distraction maneuvers.


8. Material Compatibility & Imaging

  • Implants made of Ti6Al4V ELI titanium alloy (ASTM F136) and CoCr.

  • Radiolucency maintained for intraoperative fluoroscopy with clear visualization of landmarks.


9. Indications-Specific Configurations

  • Designed for use in conditions like degenerative disc disease, spinal deformities (e.g., scoliosis, kyphosis), trauma, spondylolisthesis, and tumor reconstruction.

  • Also compatible with osteoporotic bone screw options for enhanced fixation.




3.Master 7-lla Spinal System Product Indications


1. Degenerative Disc Disease (DDD)

  • Defined as back pain of discogenic origin with degeneration confirmed by imaging and clinical symptoms.


2. Spinal Stenosis

  • Narrowing of the spinal canal leading to nerve compression and neurological symptoms.


3. Spondylolisthesis

  • Includes isthmic and degenerative types (Grade I and II) causing vertebral instability.


4. Fractures and Dislocations

  • Traumatic instability in the thoracolumbar spine requiring stabilization.


5. Spinal Deformities

  • Such as scoliosis, kyphosis, and lordosis requiring correction and support.


6. Revision Surgeries

  • For patients with failed previous spinal fusion (pseudoarthrosis) or implant failure requiring replacement or reinforcement.


7. Tumor Resection or Vertebral Column Resection

  • Used to stabilize the spine after removal of pathological tissue.


8. Infections

  • Such as osteomyelitis or discitis, when accompanied by spinal instability requiring fixation.


Use in Fusion Procedures

  • Intended to be used in conjunction with bone graft (autograft or allograft) to facilitate posterior spinal fusion.


Anatomical Levels

  • Intended for use in the thoracic (T1–T12), lumbar (L1–L5), and sacral (S1–S2) regions of the spine.



4.WALEN Anterior Cervical System Product Download


locking copmression plate brochure.pdf


5. Waston Medical Factory video



6.Waston Factory Show


WPS拼图123



7.WALEN Anterior Cervical System Product FAQ



1. What is the WALEN Anterior Cervical System used for?

The WALEN system is used in anterior cervical discectomy and fusion (ACDF) procedures to treat conditions such as degenerative disc disease, herniated discs, cervical spondylosis, and instability between C2–T1 vertebrae.


2. What type of implant is the WALEN system?

It is a zero-profile or low-profile integrated interbody device with anterior screw fixation. It may include titanium or PEEK cage options, depending on the model.


3. How many levels can the WALEN system be used for?

It is typically indicated for one or two adjacent cervical levels (e.g., C3–C4, C5–C6). Some models may support up to three levels depending on regulatory approvals and surgeon assessment.


4. What materials are used in the WALEN implants?

  • Titanium alloy (Ti-6Al-4V) – for plate and screw components, or full implants in some versions.

  • PEEK (polyether ether ketone) – an option for radiolucent cages with embedded radiographic markers.


5. Are the screws fixed or variable angle?

The WALEN system offers both:

  • Fixed-angle screws for rigid stability.

  • Variable-angle screws (typically up to 15°–20°) to accommodate patient anatomy and facilitate optimal placement.


6. Does the system have a screw locking mechanism?

Yes. It features an anti-backout locking mechanism to prevent screw loosening after implantation, enhancing long-term construct stability.


7. What bone graft materials can be used with the system?

The WALEN cage includes a central graft window and is compatible with:

  • Autograft (preferred)

  • Allograft

  • Synthetic bone graft substitutes (as per surgeon preference and hospital protocol)


8. What are the available sizes and lordotic options?

  • Multiple heights, footprints, and lordotic angles (typically 6°, 8°, or 12°) are available to restore cervical alignment and accommodate patient anatomy.


9. Can the WALEN system be used in revision surgeries?

Yes, the system is indicated for revision procedures such as pseudoarthrosis or hardware failure from previous ACDF surgeries.


10. Is the WALEN system MRI-compatible?

Yes. All components are made from non-ferromagnetic materials, making the system MRI-conditional. Always verify with the specific product IFU for MRI safety labeling.

11. What regulatory approvals does the system have?

The WALEN Anterior Cervical System is:

  • FDA 510(k) cleared (U.S.)

  • CE marked (Europe), where applicable

  • May have additional regional registrations depending on market



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