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7.0mm Cannulated Cancellous Screw

7.0mm Cannulated Cancellous Screw

he 7.0mm Cannulated Cancellous Screw is an orthopedic fixation screw for large-fragment fractures, including femoral neck and intercondylar femoral fractures. Available in titanium and stainless steel, it accepts a 2.0mm guide wire and uses a standard 3.5mm hexagonal drive.

Real-World Performance & Utility

The cannulated shaft allows insertion over a 2.0mm guide wire. This guides the screw along the selected trajectory during fixation. The standard 3.5mm hexagonal drive accommodates a matching screwdriver.

The hemispherical head supports annular contact with washers and plates when the screw is angled. Its low profile helps reduce the possibility of soft tissue irritation around the screw head.

For partially threaded screws, matching the thread length to the far bone fragment supports interfragmentary compression. The catalogue lists 16mm and 32mm thread options, alongside a fully threaded configuration.

Deep cancellous cutting threads with a large pitch increase resistance to pullout. The large pitch also supports faster insertion and removal.

Product Specifications

he 7.0mm Cannulated Cancellous Screw is an orthopedic fixation screw for large-fragment fractures, including femoral neck and intercondylar femoral fractures. Available in titanium and stainless steel, it accepts a 2.0mm guide wire and uses a standard 3.5mm hexagonal drive.

Real-World Performance & Utility

The cannulated shaft allows insertion over a 2.0mm guide wire. This guides the screw along the selected trajectory during fixation. The standard 3.5mm hexagonal drive accommodates a matching screwdriver.

The hemispherical head supports annular contact with washers and plates when the screw is angled. Its low profile helps reduce the possibility of soft tissue irritation around the screw head.

For partially threaded screws, matching the thread length to the far bone fragment supports interfragmentary compression. The catalogue lists 16mm and 32mm thread options, alongside a fully threaded configuration.

Deep cancellous cutting threads with a large pitch increase resistance to pullout. The large pitch also supports faster insertion and removal.

Technical Specifications & Core Capabilities

  • Screw diameter: 7.0mm.
  • Guide wire compatibility: 2.0mm.
  • Drive size: Standard 3.5mm hexagonal drive.
  • Materials: Titanium and stainless steel.
  • Head geometry: Hemispherical head for annular contact with washers and plates during angled placement.
  • Head profile: Low profile to help reduce soft tissue irritation.
  • Thread profile: Deep cancellous cutting threads with a large pitch.
  • Thread configurations: 16mm thread, 32mm thread and full thread, as listed in the supplied catalogue.
  • Catalogue designation: Self-drilling across all three configurations.
  • 16mm thread screw lengths: 30–120mm, in 5mm increments.
  • 32mm thread screw lengths: 35–120mm, in 5mm increments.
  • Fully threaded screw lengths: 30–120mm, in 5mm increments.
  • Listed fracture indications: Femoral neck fractures and intercondylar femoral fractures.
  • Other listed indications: Epiphyseolysis of the femoral head, ankle arthrodeses and iliosacral dislocations.
7.0mm Cannulated Cancellous Screws, 16mm Thread, Self-Drilling
Length (mm) Stainless Steel Titanium
30 7-250-30 7-250-30Ti
35 7-250-35 7-250-35Ti
40 7-250-40 7-250-40Ti
45 7-250-45 7-250-45Ti
50 7-250-50 7-250-50Ti
55 7-250-55 7-250-55Ti
60 7-250-60 7-250-60Ti
65 7-250-65 7-250-65Ti
70 7-250-70 7-250-70Ti
75 7-250-75 7-250-75Ti
80 7-250-80 7-250-80Ti
85 7-250-85 7-250-85Ti
90 7-250-90 7-250-90Ti
95 7-250-95 7-250-95Ti
100 7-250-100 7-250-100Ti
105 7-250-105 7-250-105Ti
110 7-250-110 7-250-110Ti
115 7-250-115 7-250-115Ti
120 7-250-120 7-250-120Ti
7.0mm Cannulated Cancellous Screws, 32mm Thread, Self-Drilling
Length (mm) Stainless Steel Titanium
35 7-260-35 7-260-35Ti
40 7-260-40 7-260-40Ti
45 7-260-45 7-260-45Ti
50 7-260-50 7-260-50Ti
55 7-260-55 7-260-55Ti
60 7-260-60 7-260-60Ti
65 7-260-65 7-260-65Ti
70 7-260-70 7-260-70Ti
75 7-260-75 7-260-75Ti
80 7-260-80 7-260-80Ti
85 7-260-85 7-260-85Ti
90 7-260-90 7-260-90Ti
95 7-260-95 7-260-95Ti
100 7-260-100 7-260-100Ti
105 7-260-105 7-260-105Ti
110 7-260-110 7-260-110Ti
115 7-260-115 7-260-115Ti
120 7-260-120 7-260-120Ti
7.0mm Cannulated Cancellous Screws, Full Thread, Self-Drilling
Length (mm) Stainless Steel Titanium
30 7-270-30 7-270-30Ti
35 7-270-35 7-270-35Ti
40 7-270-40 7-270-40Ti
45 7-270-45 7-270-45Ti
50 7-270-50 7-270-50Ti
55 7-270-55 7-270-55Ti
60 7-270-60 7-270-60Ti
65 7-270-65 7-270-65Ti
70 7-270-70 7-270-70Ti
75 7-270-75 7-270-75Ti
80 7-270-80 7-270-80Ti
85 7-270-85 7-270-85Ti
90 7-270-90 7-270-90Ti
95 7-270-95 7-270-95Ti
100 7-270-100 7-270-100Ti
105 7-270-105 7-270-105Ti
110 7-270-110 7-270-110Ti
115 7-270-115 7-270-115Ti
120 7-270-120 7-270-120Ti

FAQs

What guide wire and screwdriver fit the 7.0mm Cannulated Cancellous Screw?

The screw accepts a 2.0mm guide wire and uses a standard 3.5mm hexagonal drive.

Which materials and thread configurations are available?

The supplied catalogue lists titanium and stainless steel versions with 16mm threads, 32mm threads and full threads. All three configurations are labelled self-drilling.

How does thread length affect interfragmentary compression?

For partially threaded screws, the threaded portion must engage the far bone fragment to support interfragmentary compression. Different thread lengths help match that engagement to the fragment dimensions.

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