Surgery – Truss – Pad
Patent
1995-03-10
1997-09-09
Sykes, Angela D.
Surgery
Truss
Pad
A61B 500
Patent
active
056645783
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The subject of the invention is a method for controlling the progress of fatigue of a person doing some kind of a tiring activity and for the prevention of the effects of fatigue. Subject of the invention is further an instrument for sensing fatigue, states of shock and/or acute stress, completed with a device for evaluating the temperatures on the surface of parts of the body.
An activity most typically tiring, the breaking off of which usually depends not on the state of fatigue but on other factors (e.g. arriving at the destination, end of shift, etc.), is driving a car.
It is known that most people become alert and active when starting driving, which, among other things, manifests itself in an increased stimulus of motion and speech. After several hours of driving, drivers grow more irritable, their movements get slower and their way of driving becomes more careless. It is provable that pending on the distance and the time of driving, a temporary vascular stenosis appears, mainly in the small blood vessels of the drivers. People in this state more often have accidents, that is why it is important to recognize and prevent or cancel this condition. It is also known that the states of shock and acute stress primarily appear in the form of the constriction of the small vessels.
DESCRIPTION OF THE PRIOR ART
There exists a diagnostic method (Hungarian patent of the Inventor No. 191 121) capable of examining people (expediently drivers) exposed to stress, which is based on the statistical processing of the changes in thermograms of the face, and the purpose of which is to detect and measure the tolerance of drivers and the damages coming from their occupation. According to the procedure, thermograms--pictures of the infrared radiation--of the face and hands of the person to examine are made before the stress is to appear. The differences in the various parts of the thermograms are recorded in a quantitative way, on the basis of the dominant isotherms,
The patients can be examined again after the stress influence, depending on the aim of the examination.
There is not known any applicable method based on the above principle to detect the process of fatigue, because it is too complicated and time-taking.
There is a treatment for fatigue by means of an instrument (EP 0 209 246 A1) generating electromagnetic fields mounted on the back of the driver's seat. It consists of the flat coil on the back of the seat and an impulse generator connected to it. The impulse generator produces 5 impulses 5 msec long each with 15 msec long pauses, repeating this for 30 minutes with 100 msec pauses every four hours.
The flux density induced in the coil is 50 Gauss of which a flux density of 15 Gauss falls on the body surface. According to the description, the instrument is good for the relaxation of the drivers muscles.
Whereas this instrument is suitable for relieving the fatigue of drivers, the way of application outlined in the description, the length and repetition of the treatment do not agree with the regeneration needs of the driver as the exposure is less frequent and much longer than it would be the best for him.
SUMMARY OF THE INVENTION
Aim of the invention is to develop a method and instrument to control fatigue, making it possible to perform the treatment in the course of the fatiguing activity at the optimum time, and depending on the degree of fatigue.
Basis of the invention is the recognition that the drop of the temperature of the acrons--i.e. the free surfaces of the human body woven through with small blood vessels--, compared to the inner temperature of the body is characteristic of the state of fatigue. Furthermore it is satisfactory to watch the temperature fluctuation of one such surface point to draw conslusions. It is serviceable to choose the auricle as a surface point.
The solution of the task according to the invention is a procedure to control the process of fatigue of a person displaying a tiring activity, and the prevention of the effects of fatigue. First, the temperatu
REFERENCES:
patent: 5247940 (1993-09-01), Wilk
patent: 5366483 (1994-11-01), Sadkhin
patent: 5385529 (1995-01-01), Koch
Carter Ryan
Sykes Angela D.
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