Biocompatible self-generating cell stimulator

Summary of the technology

CSIC through the Instituto de Microelectrónica de Barcelona - Centro Nacional de Microelectrónica, has developed a device based on nanogenerators for electrical cells stimulation without the need of electrodes or bulky devices. The device is biocompatible and, among its multiple applications, is able to actuate in medical prostheses as an enhancer of cellular growth and proliferation, which permits an early lesion recovery (such as a fracture or wound).

Industrial partners dedicated to the development of medical devices for cells stimulation, in particular, focused onto therapeutic treatments of non-healing wounds, are being sought to collaborate through a patent license agreement.

CSIC - Consejo Superior de Investigaciones Científicas

Electrode free medical device for cell stimulation


Fig1) Schema of the nanogeneration mechanism of a self-generating stimulation cells device.
Cellular growth, proliferation and differentiation mechanisms via electrical stimulation have been studied for decades. The acceleration and promotion of the cell growth is crucial for multiples biomedical applications like therapeutic treatment of lesion (fracture or non-healing wounds). Different approaches and techniques have been developed, however, less invasive and more effective healing technologies are being still demanded. In this context, a self-generating voltage device for cellular electrical activation and stimulation inducing cell growth, mobility and/or differentiation respond to the former market´s demand.

The device consists of biocompatible nanogenerators based on piezoelectric material, which is able to modulate the electrical activity of living cells. It has been demonstrated that the depolarization or hyperpolarization of cell membranes induced by dynamic strain improves on cells growth. Due to its autonomy, it does not need electrodes or external stimulus, such as ultrasounds or magnetic fields, avoiding the associated drawbacks and side effects. The device has being already validated in bone prosthesis.

Main innovations and advantages


· The self-generating cells stimulator improves growth, differentiation and proliferation of bone cells, but also other types of cells, such as neural and muscle ones.
· The cell stimulation does not need any synergy storage mechanism or any external stimuli, if compared to other stimulation methods based on induction or mechanical coupling · Applicable as coating form onto medical bone prosthesis.
· As medical device is suited for long (more than 30 days) as well as short-term implants (neural and muscle cells).
· Local, uniform and tunable electrical cell stimulation, with spatial resolution in order of

Intellectual property status

  • Granted Patent
  • Patent application number :-

  • Granted Patent
  • Patent application number :-

Related Keywords

  • Electronics, IT and Telecomms
  • Electronics, Microelectronics
  • Micro and Nanotechnology related to Electronics and Microelectronics
  • Cellular and Molecular Biology Technology
  • Stem cell Technologies
  • Fuel cells
  • Materials Technology
  • Conductive materials
  • Cellular and Molecular Biology Market
  • Stem cells and biobanks
  • Medical Health related
  • Medical equipment
  • Electromedical and medical equipment
  • Surgical instrumentation and equipment
  • Medical instruments
  • Therapeutic
  • Surgical instrumentation and equipment related to Therapeutics
  • Pacemakers and artificial organs
  • Surgical implants
  • Clinical Medicine
  • Orthopaedics
  • electrical cell stimulator
  • bone cells
  • neural cells
  • muscular cells

About CSIC - Consejo Superior de Investigaciones Científicas

The Spanish National Research Council (in Spanish 'Consejo Superior de Investigaciones Científicas (CSIC)') is a government agency for basic and applied scientific research.

It is the largest public research organization in Spain, with presence in all the Autonomous Communities through 126 centers and 145 associated units.

CSIC - Consejo Superior de Investigaciones Científicas

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