Chisel & Hammar set

Description

Specifications

• Chisel Shapes & Sizes: Flat, curved, angled, and gouge types.
• Common Lengths: 100 mm and 150 mm
• Common Widths: 5 mm and 10 mm
• Hammer Types: Surgical mallet with anti-vibration handle; available with rubber or steel faces
• Mallet Weight: Approx. 200 – 500 g
• Set Configuration: Includes chisels of varying sizes, 1 or more surgical mallets, and a sterilizable tray or cassette

Types

• Standard orthopaedic chisels
• Micro chisels
• Cross-cut chisels
• Surgical mallets (rubber-faced or full stainless steel)

Material

• Surgical-grade stainless steel (AISI 420 or equivalent) – corrosion-resistant and autoclavable
• Mallet faces may include hardened rubber, silicone, or polyurethane

Category & Product Form

• Category: Surgical Instrument Set – Class B Medical Device
• Product Form: Sterilizable tray or cassette containing multiple chisels and mallets, arranged with protective padding

Usage

• Bone cutting, shaping, and removal during orthopaedic or cranial surgeries
• Used in trauma cases for bone alignment or separation
• Applied in dental and maxillofacial bone sculpting
• Veterinary use in large animal extractions and orthopaedic reconstruction

Advantages

• Provides precision cutting and controlled impact
• Available in multiple chisel designs for various surgical needs
• Durable, long-lasting instruments with ergonomic handles
• Fully sterilizable and easy to clean
• Reduces fatigue during extended surgical use

Disadvantages

• Requires trained handling to prevent tissue or bone damage
• Edges may dull over time, requiring professional sharpening
• Tray set may be heavy due to solid metal instruments

Precautions

• Inspect chisels and mallets for cracks, dull edges, or corrosion before each use
• Apply controlled impact to avoid bone splintering
• Select the correct chisel type and size per procedure
• Avoid mixing with non-metal tools during sterilization

Handling Instructions

• Clean immediately after use with enzymatic detergent
• Use ultrasonic cleaning for precision results
• Dry thoroughly before packing
• Store in padded trays to protect cutting edges

Sterilization Details

• Preferred Method: Steam sterilization in an autoclave (121–134°C for 15–30 minutes)
• Alternate Method: Chemical sterilization (e.g., glutaraldehyde) if compatible
• Packaging: Instruments should be sealed in sterilization pouches or trays

HSN & HS Code

Human Applications

• Orthopaedic surgeries including joint replacements and fracture repair
• Neurosurgical bone access procedures (craniotomies)
• Maxillofacial and dental bone shaping

Veterinary Applications

• Used in orthopaedic surgeries and bone reconstruction for large animals
• Dental extraction and minor reconstructive bone surgeries

FAQs – Frequently Asked Questions

Q1: What is the correct HSN/HS Code for the Chisel & Hammer Set?
A: The correct code is 9018.90.24 – covering surgical instruments such as chisels and bone cutters.

Q2: Can these instruments be autoclaved?
A: Yes, they are fully autoclavable and built for repeated high-pressure sterilization.

Q3: What are the common sizes used in surgeries?
A: Chisels typically range from 100 mm to 150 mm in length and 5 mm to 10 mm in width, with mallet weights between 200–500 g.

Q4: Are there specific precautions for safe use?
A: Yes. Inspect tools before each use, avoid excessive force, and select the proper chisel for each surgical application.

Q5: How do surgical chisels differ from regular hardware chisels?
A: Surgical chisels are made from high-grade stainless steel, precision-balanced, and designed for tissue safety and sterilization, unlike carpentry tools.