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Fenestrated Polyaxial Screw ( Double Thread )

Sdm Orthopaedic logo
Sdm Orthopaedic
Manufacturer — Ghaziabad, Uttar Pradesh, India · Replies in ~24–48 hours
Export Ready
Price on request In stock
Inclusive of all taxes
MOQ: 50 Piece
Lead time: On request
GST invoice
Origin: India
Export ready
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Export Snapshot
Minimum order
50 Piece
HSN Code
9021
Origin
India
Lead time
On request
Port of dispatch
On request
Packaging
Standard export packaging
Shelf life / storage
As per product specification
Export markets served
Global markets
Ability to customise
As per OEM brief
Values shown are for Sdm Orthopaedic.
ISO 13485:2016 – Medical Devices Quality Management System
Company Sdm Orthopaedic
Sdm Orthopaedic logo
Sdm Orthopaedic

SDM Orthopaedic is an Indian manufacturing company specializing in orthopaedic implants and surgical instruments. The company is engaged in manufacturing a wide range of trauma and spinal products with a strong focus on precision, consistency, and quality. Our manufacturing processes follow established quality standards, supported by controlled production practices and systematic inspection procedures. SDM Orthopaedic is committed to delivering reliable orthopaedic solutions for hospitals, distributors, and healthcare institutions. With an emphasis on ethical manufacturing, timely delivery, and continuous improvement, the company aims to build long-term professional relationships in domestic and international markets.

Registered address: Ghaziabad, India. Industry: Healthcare, Medical Supplies & Pharmaceuticals › Medical Equipment & Supplies.

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Established
1970
Employees
11–30
GST
09AWPPS8821E1ZY
IEC code
AWPPS8821E
Export markets
Global markets
Member since
Dec 2025
Turnover
$50,000 - $250,000
Incorporation type
On request
Product details

The Fenestrated Polyaxial Screw (Double Thread) is engineered for spinal procedures requiring superior fixation, especially in osteoporotic or compromised bone conditions. The fenestrations allow controlled cement injection, improving screw anchorage and reducing the risk of loosening. Its polyaxial head provides flexibility for easy rod placement and accurate alignment during surgery. The double-thread design enhances pull-out strength and load distribution, ensuring stable fixation. Manufactured from high-grade, biocompatible materials, the screw offers durability, corrosion resistance, and consistent clinical performance.

Description provided by Sdm Orthopaedic.

Enables controlled cement injection through the screw to improve fixation in weak bone.

Enhances bone purchase and pull-out strength for superior anchorage.

Allows multi-directional movement for easy rod placement and accurate surgical alignment.

Manufactured from high-grade, biocompatible, and corrosion-resistant materials.

Optimized for spinal fixation in osteoporotic or compromised bone conditions.

Double thread optimizes load sharing to reduce implant failure risks.

Facilitates precise adjustment during implantation for customized fit.

Specifications
Screw Diameter
Available in multiple diameters ranging typically from 5.5mm to 7.5mm.
Length Options
Lengths ranging from 30mm to 50mm to accommodate various vertebral sizes.
Material
Titanium alloy (Ti-6Al-4V) or equivalent biocompatible grade.
Thread Type
Double-threaded with fenestrations for cement delivery.
Head Type
Polyaxial allowing up to 30 degrees of angulation.
Sterilization
Sterile, single-use implant.
Compliance
Meets international orthopedic implant standards.
Use cases
Category
Medical & Surgical Equipment > Orthopedic Implants > Spinal Implants > Pedicle Screws
Primary application
Brand
Not specified
Product type
Product
Logistics & handling
Lead time
On request
Packaging
As per buyer requirement
Storage condition
As recommended by supplier
Origin
India
Form
As listed by supplier
Commercials Sdm Orthopaedic
Minimum order
50 Piece
Lead time
On request
Payment terms
As per negotiated commercial agreement
Frequently asked by buyers
How does the fenestrated design improve screw fixation in compromised bone?

The fenestrated design allows for controlled injection of bone cement through the screw’s fenestrations directly into the surrounding vertebral bone, enhancing fixation by reinforcing weak or osteoporotic bone and reducing the risk of screw loosening.

What is the advantage of the double-thread structure in this screw?

The double-thread structure improves bone purchase by increasing surface area contact and distributing mechanical loads more evenly, which significantly enhances pull-out strength and implant stability.

How does the polyaxial head benefit spinal surgery procedures?

The polyaxial head provides angular flexibility up to 30 degrees, allowing surgeons to easily align rods and pedicle screws during implantation, which facilitates accurate spinal correction and decreases surgical complexity.

Is this screw compatible with all types of spinal rod systems?

Yes, the polyaxial design is generally compatible with standard spinal rod systems, but compatibility should be verified with system specifications to ensure proper fit.

What materials are used in manufacturing this screw, and how do they impact patient safety?

The screw is made from titanium alloy (Ti-6Al-4V) or equivalent biocompatible materials known for their strength, corrosion resistance, and biocompatibility, which minimize allergic reactions and enhance long-term implant integration.

Question not answered? Sellers typically reply within 24–48 hours.

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