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New 4th Generation ECG sensor PULSE HEART RATE WATCH    US $5.40

Heart Rate Calorie Counter Watch Pulse Monitor Sport US    US $.01

Heart Rate Monitor Calorie Counter Fitness Watch NEW S    US $.99

Mitaki-Japan® Digital Sports Watch with Pulse Function $28.95 Functions also include time/day/date, alarm, stopwatch, timer, and calorie counter. Limited one year warranty...

Calorie Heart Rate Pulse Watch: Five Modes: Sports Watch $19.99 Select Heart Rate Watch is an excellent workout companion by providing helpful information to achieve your fitness and weight loss goals. The display features include showing your heart rate with touch of your thumb, your personalized heart rate, and the number of calories burned while exercising. Additionally, you can monitor your heart rate throughout the day and also track your calories consume...

Impact Sports ePulse Strapless Heart Rate Monitor Watch and Calorimeter $102.40 Regulate your workout intensity and attain your fitness goals. This heart rate monitor fits comfortably around the forearm, no chest strap needed....

You can check blood pressure, all the time

Therefore, the aim of the present invention is to provide a better and new system of blood producers in order to monitor the pressure, especially systolic pressure, diastolic and mean blood pressure.

This is a more particular object This invention provides a system for monitoring blood pressure, the laptop can be produced at relatively low cost.

In accordance with these objects and others, are expected to manufacturers of blood pressure monitoring in the pressure sensor in combination with diseases organs in order to measure blood pressure, a filter to reduce any negative elements to the sensor with high frequency and peak maximum, minimum peak detector and the average detector properly determine systolic blood pressure, diastolic and mean arterial pressure of patients. Changing selectively couples output of one of the detectors above the oscillator whose output frequency depends on the input signal to them. Oscillator Output is selectively gated by a circuit to the counter clock signal generated by clock circuit, the duration of the activation signal is fixed frequency oscillator output from the discovery of blood pressure greater interest. Pulse generator barriers are applied to counter circuit for counting the number of pulses and received ensure that its production guidance to include the output is displayed as a digital screen.

In an embodiment of the invention, clock circuit periodic signal can block the transfer of the indication obtained by counting the digital display meter to display the amount depending on the frequency pulse slow heart wanted to be measured. For example, the athletic heart and is subject to about 50 beats per minute, means that about 1.5 Sampling seconds. Therefore, the data is sent to the display means at an appropriate rate and at the same time, the maximum peak and peak detectors are minimal of reset. In this embodiment, free-running clock circuit is a block or a data clock signal to the center of the screen and reset the maximum and minimum peak detector.

In another embodiment, the threshold circuits can be connected to the output of maximum, maximum and minimum detectors to give the alarm when the maximum and minimum blood pressure are exceeded. In addition, the production of maximum and minimum peak detectors can be linked circuit to measure the diversification rate variation of minimum and maximum values that can be linked to an alarm activated.

In another embodiment invention, the maximum and minimum detected signals are filtered and stored in separate sample and hold circuits corresponding to the systolic and diastolic blood pressure control products manufacturers blood pressure. None of these samples and is in the circuits connected to the transition to a voltage oscillator whose output has been raised to counter in a manner similar to that described above. The presence of each maximum and minimum output from the pressure transducer is used to initiate a clock circuit language to ensure that the output pulses substantially constant pulse width of the selected value corresponding to the maximum blood pressure, and thus interest greatest number of pulses to generate the VCO. In addition, clock-set variable latch circuit is provided for the transfer of the meter to display the digital display. Clock latch circuit can be adjusted to the required length of the screen and output signals are used only in the absence of triggering clock pulse. Systolic blood pressure is about 110 mm Hg 150 mm Hg and diastolic blood pressure 70 mm Hg of about 93mm Hg. In some cases, abnormal values systolic blood pressure can vary 80 mm Hg to 200 mm Hg and diastolic blood pressure can vary from 55 mm Hg to 110 mm Hg Given these considerations, the full range of measurement desired pressure of 55 mm Hg to 200 mm Hg, Including an additional margin of safety total pressure range of interest considered to be more 0mm Hg to 250 mm Hg

The figure. 2, was represented by a block diagram of control pressure system manufacturers in accordance with the teachings of this invention can measure and display systolic and diastolic average blood pressure in the range from 0 to 250 mm Hg, in particular, such a system includes pressure sensor 10 may ensure that the output varies linearly with pressure. The pressure sensor 10, the overall figure. 2 is further illustrated in FIG. 6 consisting of 96 pressure transducer type manufactured by National Semiconductor Incorporated under the name of a type G or D LX 1601 In use, the sensor 96 is connected to the patient's blood pressure through the pipe 82 on one end that is connected to a needle or catheter 80 to be inserted into a vessel of the patient. Salt solution can be introduced through the port 88 to enter the path of fluid from the blood of the patient to the transducer 96th On the other hand, tube 82 is connected to the housing input port 84 by the 86th Blood Pressure is connected to the diaphragm 90 by means of salt and 92 by the second membrane incompressible, non-conductive fluid 94, such as silicone oil, Designed in 1995, 96 to the detector. In particular, the pressure against the diaphragm 90 is transmitted through the second diaphragm 92 in fluid 94, which in turn exerts pressure on the transducer 96 to provide output indicative thereof. The annular flange 89 extends downward from the housing 84 and is arranged in a series of son the inner circumference thereof. The cooperation mode, the housing 95 has a number of threads on its outer perimeter housing 84, according to which can be housing screwed 95th Therefore, the patient's measured blood pressure, housing 84 may simply be removed and destroyed and new housing combined thread on the transducer 96th Furthermore, the second diaphragm 92 is supported by a ring set on the inner circumference of housing 91 95, in which the membrane 92 is placed in close contact with membrane 90, 84, when the housing is fixed casing 95th As mentioned above, the output transducer 96 varies linearly with changes pressure from 0 to 250 mmHg mmHg, National Semiconductor processor mentioned above is able to provide linear output to less than 1.5 per cent over the a sensitivity range 19.34mV/mmHg. As shown in FIG. 1, the output of the sensor changes the assessment of 1996 from 7.5 V to 12.5 V for such a change in blood pressure.

Exit pressure transducer 10 is applied to filter 12 to remove certain undesirable high frequency components of the ESC. In order to determine the frequency of the desired signal to the monitor, there are two hypotheses: (1) the fundamental frequency is an important element, and (2) the upper limit frequency harmonic is located n the maximum heart rate. Nth harmonic is chosen as a compromise between the rejection and noise reduction measured signals. Disadvantages referred to occurs during tachycardia when the heart rate of 250 beats per minute occurs. Change selected from the fundamental harmonic frequencies results in a corresponding change filter deposit and limit the amount of signal through a filter. For example, when the maximum heart rate set at 250 beats per minute, the fundamental frequency curve of pressure is 4.17 Hz upper limits on the seventh harmonic frequencies, about 95% of the signal passes through a filter, filter, and the resulting set point is set at 29.19Hz. If the filter is set to point in the tenth harmonic frequencies primary, about 96% and obtained by the filter set filter 12 is 41.7Hz.

In another embodiment of the invention, it is desirable to allow for adaptation maximum frequency passes through the filter of the 12th As will be explained in more detail with reference to FIG. 4A, the filter 12 includes resistors R1 and R2, which may be a variable resistor, with a preset frequency of the filter 12 can be adjusted. Thus it will be able to determine the crossover point filter 12, the patient's intrinsic rate. For example, if the actual patient's heart rate is 60 beats per minute (1 Hz), filter setpoint is the seventh harmonic 7HZ. Similarly, when the actual rate of 120 per minute (2 Hz), a set of filters is fixed at 14Hz for the seventh harmonic frequency primary. In addition, the output transducer 10 May contain elements of high-frequency motion artifacts due to catheter accidentally. Controlled by the maximum frequency filter 12, signal-to-nose may be reduced, while high-frequency components of the movement of the catheter can be minimized.

Output filter 12 is applied to each of the peak detector to at least 14 and peak detector, 16 and 18 whose average detector output information, respectively systolic blood pressure, blood pressure, and mean diastolic blood pressure manufacturers of blood of the patient. As will be explained later, the average detector 18 is in the form of an integrator to provide the signal indicates the average blood pressure of patients according to equation (1), as described above. One result of the 14 detectors, 16 and 18 shall apply to the switch 20 Selectively placed in one of the three "a", "b" and "C", according to the outcome of the detector at least 14, the minimum peak detector 16 and the average delay: 18, respectively, Voltage controlled oscillator 22, whose output frequency changes in proportion to the amplitude of the input signal parties. Thus, in one embodiment of the invention, the production of a voltage oscillator 22 is adjusted to range from 0 to 1000 Hz to the corresponding transducer outputs 10 pressure ranging from 7.5 to 12.5 V. In this way the VCO output 22 of 1000 Hz indicates blood pressure 258.5mm Hg and power from 0 Hz indicates blood pressure measured at 0mm Hg

About the Author

It is therefore an object of this invention to provide a new and improved system for  blood pressure monitor manufacturers and in particular the systolic, diastolic and mean blood pressures.

Mitaki-Japan® Digital Sports Watch with Pulse Function $28.95 Functions also include time/day/date, alarm, stopwatch, timer, and calorie counter. Limited one year warranty...

Calorie Heart Rate Pulse Watch: Five Modes: Sports Watch $19.99 Select Heart Rate Watch is an excellent workout companion by providing helpful information to achieve your fitness and weight loss goals. The display features include showing your heart rate with touch of your thumb, your personalized heart rate, and the number of calories burned while exercising. Additionally, you can monitor your heart rate throughout the day and also track your calories consume...

Impact Sports ePulse Strapless Heart Rate Monitor Watch and Calorimeter $102.40 Regulate your workout intensity and attain your fitness goals. This heart rate monitor fits comfortably around the forearm, no chest strap needed....

Suunto T3 Running Pack (T3 Heart Rate Monitor and Foot POD) $259.00 Designed for athletes on foot, bike, or skate, this multisport system from Suunto provides comprehensive heart rate monitoring while tracking speed and distance across a wide variety of outdoor activities including hiking, cycling, cross-country skiing, inline skating, and kayaking. Ideal for outdoor enthusiasts and athletes of all types and skill level, this advanced-function combo pack includes ...