Patent · US Expired

Electrotherapeutic apparatus

US5109848A · kind A · utility

31Cited by
18References
32Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 22, 1989
Grant dateMay 5, 1992
Priority date
Expiry dateMay 22, 2009

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61N1/36034
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

The present invention provides an electrotherapeutic apparatus that produces a signal that, upon application to a patient, is exponential in character. The signal includes a relatively low-frequency, constant amplitude, periodic-exponential signal for muscle stimulation. Further, the signal preferably includes a relatively high-frequency, periodic-exponential signal for sensory stimulation.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.