The Kerrison Laminectomy Punch with Bone Ejector from INSTROFINE is a precision-engineered surgical instrument designed for controlled bone removal during spinal and neurosurgical procedures. Featuring a 40° upward jaw angle and an integrated bone ejector, this instrument enables surgeons to perform accurate bone resection while efficiently clearing bone fragments from the cutting jaw, reducing interruptions during surgery.
Manufactured from premium surgical-grade stainless steel, the instrument delivers exceptional durability, corrosion resistance, and reliable long-term performance. Its precision-ground cutting jaw ensures clean and controlled bone removal, while the smooth spring-action handle provides effortless operation and enhanced comfort during prolonged procedures.
The integrated bone ejector helps maintain a clear working tip by removing collected bone fragments, allowing for improved workflow and consistent cutting efficiency throughout the procedure.
Available Specifications
Jaw Configuration
- 40° Upward Jaw
Shaft Length Options
- 18 cm (7″)
- 20 cm (8″)
- 23 cm (9″)
Bite Size Options
- 1 mm*
- 2 mm
- 3 mm
- 4 mm
- 5 mm
- 6 mm
Specifications
| Pattern | Kerrison punch with bone ejector, 40° upward |
| Size | 18 / 20 / 23 cm |
| Bite size | 1–4 mm |
| Material | Surgical-grade stainless steel |
| Autoclavable | Yes |
| SKU | NJMSS-04 |





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