Product Explanation
The Locking Head Bone Cannulated Screw, Self Drilling & Self Tapping Ø 3.7 mm is an orthopedic fixation screw intended to form part of a compatible locking fixation construct.
A simplified fixation concept can be represented as:
Guide Wire / Prepared Fixation Path → Cannulated 3.7 mm Screw → Compatible Locking Plate / Fixation Component → Locked Internal Fixation Construct
The product combines several defined design characteristics:
Locking Head
Cannulated
Self Drilling
Self Tapping
Ø 3.7 mm nominal diameter
The cannulated designation indicates that the screw incorporates a central lumen intended for use with compatible system components according to the approved surgical technique.
The exact guide-wire size and cannulation diameter are not stated in the supplied image and should not be assumed.
Product Components and Design
- Locking Head
The product is specifically identified as a:
Locking Head Bone Screw
The proximal screw head is intended to interface with a compatible manufacturer-defined locking fixation system.
The supplied data does not define:
- Locking-head thread pitch.
- Head-thread diameter.
- Locking interface geometry.
- Fixed-angle characteristics.
- Variable-angle capability.
- Compatible plate-hole geometry.
These specifications should be confirmed from the manufacturer’s technical drawings.
- Cannulated Screw Body
The product is specifically identified as:
Cannulated
indicating the presence of an internal axial lumen.
The exact:
- Cannulation diameter.
- Guide-wire compatibility.
- Guide-wire diameter.
- Cannulation tolerance.
- Lumen geometry.
are not provided in the supplied product data.
Therefore, the safest technical wording is:
Cannulation: Present — exact dimensions and guide-wire compatibility not specified
- Ø 3.7 mm Nominal Diameter
The product title specifies:
Ø 3.7 mm
as the nominal screw diameter.
The supplied image does not separately provide:
- Major thread diameter.
- Minor / core diameter.
- Thread depth.
- Thread pitch.
- Thread profile.
- Dimensional tolerances.
These parameters should be obtained from the official dimensional drawing.
- Self-Drilling Design
The product is specifically identified as:
Self Drilling
This indicates a manufacturer-defined distal geometry intended to provide drilling capability within the approved surgical technique.
The supplied data does not define:
- Drilling-tip geometry.
- Cutting-edge configuration.
- Tip angle.
- Required guide-wire preparation.
- Situations where pre-drilling may still be required.
These characteristics should therefore be confirmed from the official surgical technique.
- Self-Tapping Design
The product is also specifically identified as:
Self Tapping
indicating a manufacturer-defined thread-entry / cutting configuration.
The exact:
- Cutting flute geometry.
- Number of cutting features.
- Thread-start design.
- Tapping requirements.
are not stated in the supplied product information.
- Threaded Shaft
The supplied product image visibly shows a threaded screw shaft.
The exact:
- Thread pitch.
- Thread depth.
- Thread lead.
- Threaded length.
- Core diameter.
- Thread profile.
are not provided and should be confirmed from the manufacturer’s technical specifications.
- Distal Tip
The distal end is associated with the screw’s:
Self Drilling & Self Tapping
designation.
The exact tip geometry should not be determined solely from the image.
The manufacturer’s engineering drawing and surgical technique should be used to define its cutting and drilling characteristics.
- Drive Interface
The supplied image shows an insertion interface within the proximal screw head.
However, the exact drive type is not specified.
Therefore, the product sheet should not identify it as:
Hex / Torx / Star / Stardrive / other
without official confirmation.
Length Configurations
According to the supplied product information:
Length: 20–90 mm (2 mm Variation)
This provides:
36 individual lengths
as follows:
| No. | Length |
| 1 | 20 mm |
| 2 | 22 mm |
| 3 | 24 mm |
| 4 | 26 mm |
| 5 | 28 mm |
| 6 | 30 mm |
| 7 | 32 mm |
| 8 | 34 mm |
| 9 | 36 mm |
| 10 | 38 mm |
| 11 | 40 mm |
| 12 | 42 mm |
| 13 | 44 mm |
| 14 | 46 mm |
| 15 | 48 mm |
| 16 | 50 mm |
| 17 | 52 mm |
| 18 | 54 mm |
| 19 | 56 mm |
| 20 | 58 mm |
| 21 | 60 mm |
| 22 | 62 mm |
| 23 | 64 mm |
| 24 | 66 mm |
| 25 | 68 mm |
| 26 | 70 mm |
| 27 | 72 mm |
| 28 | 74 mm |
| 29 | 76 mm |
| 30 | 78 mm |
| 31 | 80 mm |
| 32 | 82 mm |
| 33 | 84 mm |
| 34 | 86 mm |
| 35 | 88 mm |
| 36 | 90 mm |
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 Cannulated Screw, Self Drilling & Self Tapping Ø 3.7 mm is designed for use as part of a compatible orthopedic fixation system according to the approved indications, surgical technique, and Instructions for Use.
Potential applications may involve fixation where a compatible 3.7 mm cannulated locking head screw is specified by the manufacturer.
The exact anatomical indications, compatible plates or fixation components, guide-wire requirements, drilling technique, and screw-placement procedure are not supplied in the image and should be confirmed from the official product documentation.
Screw selection may depend on factors including:
- Anatomical location.
- Compatible locking implant.
- Required screw diameter.
- Required screw length.
- Bone dimensions.
- Bone quality.
- Required fixation construct.
- Compatible guide wire.
- Screw trajectory.
- Compatible drill / insertion 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
Cannulated Design
The product is specifically identified as:
Cannulated
indicating an internal lumen for use within a compatible guided fixation system.
The exact guide-wire specification should be confirmed from the manufacturer’s documentation.
Locking Head Configuration
The screw is specifically identified as a:
Locking Head Bone Screw
indicating compatibility with a manufacturer-defined locking fixation interface.
The exact locking-head geometry should be confirmed from the official system documentation.
Self-Drilling Design
The product is specifically identified as:
Self Drilling
providing a manufacturer-defined drilling-tip configuration.
The exact drilling technique should be confirmed from the approved surgical technique.
Self-Tapping Design
The product is also specifically identified as:
Self Tapping
providing a defined self-tapping thread-entry configuration.
Ø 3.7 mm Nominal Diameter
The product provides a nominal:
3.7 mm screw diameter
within the compatible fixation system.
Wide Length Range
The product is available from:
20 mm to 90 mm
providing a broad range of screw lengths.
2 mm Length Increments
The complete range uses:
2 mm increments
allowing closely spaced screw-length selection.
36 Length Configurations
The range from:
20–90 mm
in:
2 mm increments
provides:
36 individual screw-length configurations
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 3.7 mm
- 1 cannulated configuration
- 1 locking-head configuration
- Self-drilling design
- Self-tapping design
- 36 length options
- 2 material options: SS316L / Titanium
If every listed length is available in both materials, this could theoretically represent:
36 × 2 = up to 72 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 Cannulated Screw, Self Drilling & Self Tapping Ø 3.7 mm |
| Product Category | Trauma – Screw |
| Product Type | Cannulated Locking Head Bone Screw |
| Head Type | Locking Head |
| Cannulated | Yes |
| Self Drilling | Yes |
| Self Tapping | Yes |
| Nominal Diameter | Ø 3.7 mm |
| Length Range | 20–90 mm |
| Length Increment | 2 mm |
| Number of Length Options | 36 |
| Materials | SS316L, Titanium |
| Potential Basic Configurations | Up to 72, subject to catalog confirmation |
| Cannulation Diameter | Not provided |
| Compatible Guide Wire | Not provided |
| Guide-Wire Diameter | Not provided |
| Bone Thread Geometry | Not provided |
| Thread Pitch | 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 |
| Self-Drilling Tip Geometry | Not provided |
| Compatible Locking Implant | Not provided |
| Compatible Drill / Instrumentation | 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 Cannulated Screw, Self Drilling & Self Tapping Ø 3.7 mm
Product Category: Trauma – Screw
Product Type: Orthopedic Cannulated Locking Head Screw
Head Configuration: Locking Head
Cannulated: Yes
Self Drilling: Yes
Self Tapping: Yes
Nominal Diameter: Ø 3.7 mm
Length Range: 20–90 mm
Length Increment: 2 mm
Total Length Options: 36
Material Options: SS316L and Titanium
Fixation Concept: Guided screw fixation within a compatible locking orthopedic fixation construct
Cannulation Details: Not supplied
Guide-Wire Compatibility: Not supplied
Bone 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 Cannulated Screw.
- Specifically identified as a Locking Head Bone Screw.
- Specifically identified as Self Drilling.
- Specifically identified as Self Tapping.
- Nominal diameter of Ø 3.7 mm.
- Available from 20 mm to 90 mm.
- Uses 2 mm length increments throughout the complete range.
- Provides 36 length configurations.
- Available in SS316L.
- Available in Titanium.
- Features a threaded bone-engaging shaft.
- Features a manufacturer-defined locking head.
- Includes an axial cannulation according to the product designation.
- Features a manufacturer-defined self-drilling distal configuration.
- Features a self-tapping thread-entry configuration.
- Includes a proximal insertion interface.
- Intended for use within a compatible locking fixation system.
- Exact cannulation diameter should be confirmed from technical drawings.
- Exact guide-wire diameter should be confirmed from the manufacturer’s system documentation.
- Exact bone-thread pitch and 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 self-drilling tip geometry should be confirmed.
- Exact surgical preparation requirements should be confirmed from the surgical technique.
- Exact compatible plate / fixation system should be confirmed from official 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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