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Development of a computer-assisted high-pressure Injection device for vertebroplasty
Mario Loeffel1, Paul F Heini, Nicolas Bouduban
1MEM Research Center for Orthopedic Surgery, Institute for Surgical Technology and Biomechanics, University of Bern. 3014 Bern, Switzerland. mario.loeffel@memcenter.unibe.ch
IEEE Transactions on Bio-Medical Engineering
|November 21, 2007
Summary
A new computer-assisted device improves bone cement delivery in vertebroplasty, offering precise control and real-time monitoring to enhance patient safety and procedure documentation.
Area of Science:
- Biomedical Engineering
- Orthopedic Surgery
- Medical Devices
Background:
- Manual injection systems for bone cement in vertebroplasty often suffer from low pressure, poor control, and device failure.
- These limitations can compromise procedural safety and efficacy.
Purpose of the Study:
- To introduce a novel computer-assisted injection device designed for delivering highly viscous bone cements during vertebroplasty.
- To overcome the limitations associated with traditional manual injection methods.
Main Methods:
- The device utilizes a computer-assisted system capable of generating up to 5000 kPa pressure in standard 6-ml syringes.
- It features an advanced control interface for precise cement delivery, allowing operation outside radiation fields.
- Integrated real-time monitoring of flow rate, volume, pressure, and viscosity is incorporated.
Main Results:
- The device provides precise control over cement delivery, enhancing procedural accuracy.
- Real-time monitoring facilitates consistent documentation and aids in developing safer injection protocols.
- Integrated control algorithms prevent device failure and enable immediate cessation of cement flow to mitigate leakage.
Conclusions:
- The novel computer-assisted injection device offers significant advantages over manual systems for vertebroplasty.
- It enhances safety through precise control, real-time monitoring, and built-in failure prevention mechanisms.
- This technology has the potential to improve outcomes and establish standardized safe injection protocols.
