Development of a computer-assisted high-pressure Injection device for vertebroplasty

Loeffel, Mario; Heini, Paul F; Bouduban, Nicolas; Burger, Juergen; Nolte, Lutze-Peter; Kowal, Jens (2007). Development of a computer-assisted high-pressure Injection device for vertebroplasty. IEEE transactions on biomedical engineering, 54(11), pp. 2051-6. New York, N.Y.: Institute of Electrical and Electronics Engineers IEEE 10.1109/TBME.2007.894964

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A novel computer-assisted injection device for the delivery of highly viscous bone cements in vertebroplasty is presented. It addresses the shortcomings of manual injection systems ranging from low-pressure and poor level of control to device failure. The presented instrument is capable of generating a maximum pressure of 5000 kPa in traditional 6-ml syringes and provides an advanced control interface for precise cement delivery from outside radiation fields emitted by intraoperative imaging systems. The integrated real-time monitoring of injection parameters, such as flow-rate, volume, pressure, and viscosity, simplifies consistent documentation of interventions and establishes a basis for the identification of safe injection protocols on the longer term. Control algorithms prevent device failure due to overloading and provide means to immediately stop cement flow to avoid leakage into adjacent tissues.

Item Type:

Journal Article (Original Article)


04 Faculty of Medicine > Pre-clinic Human Medicine > Institute for Surgical Technology & Biomechanics ISTB [discontinued]
04 Faculty of Medicine > Department of Orthopaedic, Plastic and Hand Surgery (DOPH) > Clinic of Orthopaedic Surgery

UniBE Contributor:

Löffel, Mario Valentin; Heini, Paul Ferdinand; Nolte, Lutz-Peter and Kowal, Horst Jens






Institute of Electrical and Electronics Engineers IEEE




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Date Deposited:

04 Oct 2013 14:57

Last Modified:

04 May 2014 23:17

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URI: (FactScience: 50884)

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