In the scientific literature, positive results are reported after treatment of hard-to-heal wounds with cold plasma.

PLASOMA prototype:

Antibacterial and safety tests of a flexible cold atmospheric plasma device for the stimulation of wound healing.
Boekema, B., Stoop, M., Vlig, M. et al.  
Appl Microbiol Biotechnol 105, 2057–2070 (2021)


Selection of literature on cold plasma medicine:

Comprehensive clinical plasma medicine: Cold physical plasma for medical application
Metelmann, et al.
Springer International Publishing (2018)

Plasma medicine: Current state of research and medical application
Weltmann, Von Woedtke
Plasma Physics and Controlled Fusion (2017)

Clinical plasma medicine: State and Perspectives of in vivo application of cold atmospheric plasma
Von Woedtke, et al.
Contributions to Plasma Physics (2014)

Atmospheric pressure plasmas: infection control and bacterial responses
Mai-Prochnow, et al.
International Journal of Antimicrobial Agents (2014)

Low temperature plasma biomedicine: A tutorial review
Physics of Plasmas (2014)

Plasma applications: A dermatological view
Tiede, et al.
Contributions to Plasma Physics (2014)

Non-thermal plasma—More than five years of clinical experience
Isbary, et al.
Clinical Plasma Medicine (2013)