Product Explanation
The Locking Head Bone Cancellous Screw, Self Tapping Ø 3.5 mm is an orthopedic fixation screw intended to form part of a compatible locking plate-and-screw construct.
A simplified fixation concept can be represented as:
Prepared Bone → Compatible Locking Plate → 3.5 mm Cancellous Locking Head Screw → Locked Plate–Screw Construct
The product combines four principal characteristics:
Locking Head
Cancellous Bone Screw
Self Tapping
Ø 3.5 mm nominal diameter
The locking-head configuration indicates compatibility with a manufacturer-defined locking interface within an appropriate plate hole.
The cancellous designation identifies the screw as belonging to a cancellous-thread screw family. However, the exact thread geometry, pitch, depth, and core dimensions are not supplied and should not be inferred solely from the product image.
Product Components and Design
- Locking Head
The product is specifically identified as a:
Locking Head Bone Cancellous Screw
The proximal screw head is intended to interface with a compatible locking plate system.
The supplied product data does not define:
- Locking-head thread pitch.
- Locking-head diameter.
- Locking interface geometry.
- Fixed-angle characteristics.
- Variable-angle capability.
- Compatible locking plate-hole geometry.
These parameters should be confirmed from the manufacturer’s technical drawings.
- Ø 3.5 mm Screw Body
The product title specifies:
Ø 3.5 mm
as the nominal screw diameter.
The supplied data does not separately specify:
- Major thread diameter.
- Minor / core diameter.
- Thread depth.
- Thread pitch.
- Thread profile.
- Dimensional tolerances.
These specifications should be obtained from the official screw drawing.
- Cancellous Thread Configuration
The product is specifically identified as a:
Cancellous Screw
This distinguishes it from the previously listed cortical screw configurations.
The exact cancellous thread characteristics—including:
- Thread pitch.
- Thread depth.
- Thread lead.
- Core-to-thread diameter ratio.
- Thread flank geometry.
- Threaded length.
are not provided in the supplied image.
Therefore, the catalog should retain:
Thread Type: Cancellous
without adding dimensional thread specifications that are not officially supplied.
- Self-Tapping Design
The screw is specifically identified as:
Self Tapping
indicating a manufacturer-defined self-tapping configuration.
The exact:
- Cutting flute geometry.
- Tip geometry.
- Thread-start design.
- Required drilling technique.
- Tapping requirements.
are not specified in the supplied image and should be confirmed from the approved surgical technique.
- Threaded Shaft
The supplied product image visibly shows a threaded shaft extending along a substantial portion of the screw body.
The thread profile is visually more pronounced than a simple smooth shaft, but exact thread geometry should not be derived from image appearance alone.
The exact:
- Threaded length.
- Pitch.
- Thread depth.
- Core diameter.
- Lead.
should be confirmed from the manufacturer’s technical documentation.
- Screw Tip
The distal end incorporates a defined tip associated with the screw’s Self Tapping designation.
The exact cutting geometry, tip angle, flute number, and penetration characteristics are not supplied.
- Drive Interface
The supplied image shows an insertion interface within the proximal screw head.
However, the exact drive geometry is not specified.
Therefore, the product sheet should not identify the interface as:
Hex / Torx / Star / Stardrive / other
without official confirmation.
Length Configurations
According to the supplied product information:
Length: 12–88 mm (2 mm Variation)
This provides the following screw lengths:
12 / 14 / 16 / 18 / 20 / 22 / 24 / 26 / 28 / 30 / 32 / 34 / 36 / 38 / 40 / 42 / 44 / 46 / 48 / 50 / 52 / 54 / 56 / 58 / 60 / 62 / 64 / 66 / 68 / 70 / 72 / 74 / 76 / 78 / 80 / 82 / 84 / 86 / 88 mm
This provides:
39 length configurations
for the supplied Ø 3.5 mm cancellous locking head screw family.
Material Options
According to the supplied product data, the screw is available in:
SS316L
and
Titanium
The exact Titanium alloy or grade is not specified in the supplied image and should be confirmed from the manufacturer’s official material documentation.
Intended Use
The Locking Head Bone Cancellous Screw, Self Tapping Ø 3.5 mm is designed for use as part of a compatible locking orthopedic fixation system according to the approved indications, surgical technique, and Instructions for Use.
Potential applications may involve fixation through compatible locking plate holes where a 3.5 mm cancellous locking head screw is specified.
The exact approved anatomical applications and compatible plate systems are not stated in the supplied image.
Screw selection may depend on factors including:
- Anatomical location.
- Bone structure and dimensions.
- Required cancellous fixation.
- Compatible locking plate.
- Plate-hole specification.
- Required screw diameter.
- Required screw length.
- Bone quality.
- Required fixation construct.
- Screw trajectory.
- Compatible drilling instrumentation.
- Compatible depth gauge.
- Compatible screwdriver.
- Preoperative planning.
- Intraoperative measurement.
The screw should be selected and implanted by a qualified orthopedic surgeon in accordance with the approved surgical technique and Instructions for Use.
Key Benefits
Locking Head Configuration
The product is specifically identified as a:
Locking Head Bone Screw
indicating compatibility with a manufacturer-defined locking plate interface.
The exact locking mechanism should be confirmed from official system documentation.
Cancellous Screw Configuration
The product is specifically identified as a:
Cancellous Screw
distinguishing its thread family from cortical screw configurations.
The exact cancellous-thread dimensions should be confirmed from the manufacturer’s technical drawings.
Self-Tapping Design
The screw is specifically identified as:
Self Tapping
providing a manufacturer-defined self-tapping thread-entry / tip configuration.
Ø 3.5 mm Nominal Diameter
The product provides a nominal:
3.5 mm screw diameter
within the compatible orthopedic fixation system.
2 mm Length Increments
The complete length range uses:
2 mm increments
from:
12 mm to 88 mm
providing closely spaced screw-length selections.
39 Length Configurations
The supplied range provides:
39 individual screw lengths
covering:
12–88 mm
in continuous 2 mm increments.
Two Material Options
According to the supplied product information, the screw is available in:
SS316L
and
Titanium
Multiple Product Variants
Based strictly on the supplied information, the product family includes:
- 1 nominal diameter: Ø 3.5 mm
- 1 cancellous thread family
- 1 locking-head configuration
- 39 length options
- 2 material options: SS316L / Titanium
If every listed length is available in both materials, this could theoretically represent:
39 × 2 = up to 78 basic length × material configurations
The exact commercial matrix should be confirmed from the official Cat. No. / GTIN table.
Technical Specifications
| Specification | Product Data |
| Product Name | Locking Head Bone Cancellous Screw, Self Tapping Ø 3.5 mm |
| Product Type | Locking Head Cancellous Bone Screw |
| Design | Self Tapping |
| Head Type | Locking Head |
| Bone Thread Type | Cancellous |
| Nominal Diameter | Ø 3.5 mm |
| Length Range | 12–88 mm |
| Length Increment | 2 mm |
| Number of Length Options | 39 |
| Materials | SS316L, Titanium |
| Potential Basic Configurations | Up to 78, subject to catalog confirmation |
| Cancellous Thread Pitch | Not provided |
| Thread Depth | Not provided |
| Core Diameter | Not provided |
| Threaded Length | Not provided |
| Locking Head Geometry | Not provided |
| Head Diameter | Not provided |
| Head Height | Not provided |
| Drive Interface | Not provided |
| Tip Geometry | Self-tapping; exact geometry not provided |
| Compatible Locking Plate | Not provided |
| Compatible Plate Hole | Not provided |
| Compatible Drill Size | Not provided |
| Compatible Tap | Not provided |
| Compatible Screwdriver | Not provided |
| Titanium Grade | Not provided |
| Cat. No. | Not provided |
| GTIN No. | Not provided |
Technical Overview
Product Name: Locking Head Bone Cancellous Screw, Self Tapping Ø 3.5 mm
Product Type: Orthopedic Locking Head Cancellous Bone Screw
Screw Design: Self Tapping
Head Configuration: Locking Head
Thread Family: Cancellous
Nominal Diameter: Ø 3.5 mm
Length Range: 12–88 mm
Length Increment: 2 mm
Total Length Options: 39
Material Options: SS316L and Titanium
Fixation Concept: Locked plate-and-screw fixation using a compatible orthopedic locking system
Cancellous Thread Geometry: Not supplied
Locking Head Geometry: Not supplied
Head / Drive Geometry: Not supplied
Compatible Implant System: Not supplied
Specific Titanium Grade: Not supplied
Compatible Instrumentation: Not supplied
Cat. No.: Not supplied
GTIN No.: Not supplied
Product Features
- Orthopedic locking fixation screw.
- Specifically identified as a Locking Head Bone Cancellous Screw.
- Specifically identified as Self Tapping.
- Nominal diameter of Ø 3.5 mm.
- Cancellous thread family.
- Available from 12 mm to 88 mm.
- Uses 2 mm length increments throughout the complete range.
- Provides 39 length configurations.
- Available in SS316L.
- Available in Titanium.
- Features a threaded bone-engaging shaft.
- Features a manufacturer-defined locking head.
- Features a self-tapping distal configuration.
- Includes a proximal insertion interface.
- Intended for use with a compatible locking plate system.
- Exact cancellous thread pitch should be confirmed from technical drawings.
- Exact thread depth should be confirmed.
- Exact core diameter should be confirmed.
- Exact locking-head interface geometry should be confirmed.
- Exact head dimensions should be confirmed.
- Exact drive interface should be confirmed.
- Exact drilling and tapping requirements should be confirmed from the surgical technique.
- Exact compatible locking plate and plate-hole geometry should be confirmed from official system documentation.
- Exact Titanium alloy should be confirmed.
- Individual Cat. No. and GTIN No. should be added when the official product matrix is available.
- Approved indications, contraindications, and insertion technique should be confirmed from the manufacturer’s Instructions for Use (IFU).
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