Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical therapeutic systems
Patent
1995-11-21
1997-07-01
Kamm, William E.
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Electrical therapeutic systems
607 46, 607115, 128639, A61N 103, A61N 104
Patent
active
056433310
ABSTRACT:
An electrical stimulator and method of prevention of deep vein thrombosis, ankle edema, and venostasis. An electronic circuit that includes a power source and a micro controller for processing the signals generated by a duration control circuit, a frequency control circuit, and an intensity control circuit so as to generate a square wave pattern or wave form having a controllable duration ranging between 0.1 to 0.3 milliseconds, a controllable frequency ranging between 0.001 to 0.1 cycles per seconds, and a controllable intensity ranging between 1 to 20 milliamperes. In application, an electrode portion having an exposed juxtapositioned anode and cathode is secured to the patient externally at or near the tibial nerve at the popliteal fossa, on both legs. The specific wave pattern generated stimulates the nerve causing a muscle contraction, whether passively or actively, of the calves which prevents deep vein thrombosis, ankle edema, and venostasis.
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Anderson, Jr., PhD., et al; A Population-Based Perspective of the Hospital Incidence and Case-Fatality Rates of Deep Vein Thrombosis Thromsis and Pulmonary Embolism; Arch Intern Med-vol. 151, May 1991; pp. 933 to 938.
Evanisko George R.
Fattibene Arthur T.
Fattibene Paul A.
Kamm William E.
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