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Precision Crafted Sternum Bone Saw, High-Quality Surgical Tool

The Precision Crafted Sternum Bone Saw represents the pinnacle of specialized thoracic instrumentation, engineered to deliver unmatched precision and patient safety in critical cardiac and thoracic procedures.

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  • NS-3532

  • ruijin

 

Product Overview


Designed specifically for sternotomies, rib resections, and chest wall surgeries, this tool combines a high-strength stainless steel blade with an ergonomically optimized grip to ensure smooth, controlled bone cutting with minimal tissue trauma. Certified by CE and ISO 13485 , it meets the stringent safety requirements of high-risk surgical environments, withstanding 135°C autoclave sterilization to maintain sterility between cases. Its 360° rotating head and integrated blade guard set new standards for versatility and soft tissue protection, making it indispensable in cardiac surgery, thoracic oncology, and trauma care.


Product Features


Advanced Cutting Technology


The saw's oscillating blade operates at 12,000–15,000 oscillations/min , with a variable speed dial allowing surgeons to adjust cutting aggressiveness based on bone density—lower speeds (12,000 RPM) for osteoporotic sternums, higher speeds (15,000 RPM) for dense rib bone. The 1–3mm amplitude adjustment ensures precise depth control, minimizing the risk of penetrating underlying structures like the pericardium or great vessels. A vibration-dampening mechanism reduces hand fatigue and enhances control during prolonged procedures.


Ergonomic Design


Weighing 1.5 kg with a contoured grip shaped to fit natural hand anatomy, the saw reduces muscle strain during 2+ hour cardiac surgeries. The 360° rotating head features smooth ball-bearing movement, enabling access to complex anatomical angles in procedures like bilateral thoracotomies or asymmetric sternotomies. A non-slip rubberized surface ensures secure handling even with gloved hands, while the balanced weight distribution prevents wrist torque during vertical and horizontal cuts.


Sterilization and Durability


Constructed from medical-grade 316L stainless steel , the saw’s components withstand 135°C high-pressure steam sterilization for up to 1000 cycles without corrosion or performance degradation. The titanium alloy blade —coated with titanium nitride—maintains sharpness for 50+ procedures , reducing the need for frequent blade changes. All electrical components are sealed with medical-grade silicone gaskets, ensuring waterproofing to IPX7 standards for thorough post-procedure cleaning.


Multi-Brand Compatibility


The saw’s blade interface is compatible with Stryker, Conmed, and AO sternum saw systems , allowing seamless integration into existing OR setups. A tool-free blade release lever enables quick, sterile blade changes in <10 seconds , with a tactile lock confirmation to prevent intraoperative dislodgment. Compatible blades include standard sternum blades (18mm width), rib blades (12mm width), and curved blades for contouring chest wall resections.


Safety Features


Automatic overload protection instantly stops the motor if torque exceeds 19 Nm —a critical safeguard against sudden bone resistance that could cause blade deflection. Dual thermal cutoff sensors monitor motor and battery temperatures, pausing operation if levels exceed 60°C to prevent tissue burns. A blade guard extends 2mm beyond the blade tip, shielding soft tissues during cutting, while a low-battery alert (audible and visual) activates at 20% charge to prevent power loss mid-procedure.


Applications


Cardiac Surgery: Essential for median sternotomies in coronary artery bypass grafting (CABG), valve replacement, and congenital heart defect repair, where precise sternal splitting reduces surgical time and improves access.

Thoracic Surgery: Enables rib resections for lung cancer lobectomies, esophageal surgery, and pleural decortication, with controlled cutting minimizing damage to intercostal nerves and vessels.

Trauma Surgery: Critical for emergency sternal splitting in penetrating chest injuries (e.g., stab wounds, gunshot wounds) to access cardiac tamponade or aortic injuries.

Plastic Surgery: Used in chest wall reconstruction after tumor resection or trauma, where precise bone cutting facilitates graft placement and symmetry restoration.

Pediatric Cardiac Surgery: Adaptable to small sternums in infant heart procedures, with adjustable speed settings preventing excessive bone trauma in underdeveloped skeletal structures.


FAQ


Q: Can the blade be used for cutting ribs?

A: Yes, the saw is equipped with 18mm depth blades specifically designed for rib resections, with a narrower 12mm blade option available for precise intercostal space access. The variable amplitude settings allow surgeons to adjust cutting depth, ensuring safe rib resection without damaging underlying pleura.

Q: Is the saw compatible with cordless systems?

A: Yes, it is fully compatible with 14.4V lithium-ion battery packs from leading manufacturers including Stryker, Medtronic, and Zimmer Biomet. The battery compartment features a universal adapter, eliminating the need for proprietary power sources.

Q: What is the warranty period?

A: The saw comes with a 2-year warranty covering mechanical components (motor, housing, rotating head) against manufacturing defects. The titanium alloy blade is covered by a 1-year warranty , with discounted replacement blades available for registered users.

Q: How is the blade sharpness maintained?

A: The blade’s titanium nitride coating increases surface hardness by 300% compared to uncoated steel, reducing wear from bone mineralization. Regular cleaning with a soft brush (avoiding abrasive materials) and proper sterilization prevent debris buildup, while replacing blades after 50 procedures ensures consistent cutting performance.

NS-3532 (7).jpg

handpiece working voltage 14.4V
  output power 20W above
  unit rise in temperature less than 30 degree celcius
Charger input voltage AC220V/50Hz
  output power 14.4V,900mA
  input power 30VA
Battery voltage 14.4V
  charging time about 3 hours
Saw frequency 0-18000rpm
  non-load noise less than 75dB

 

NS-3532 (6).jpg

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