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Class Information
Number: 600/490
Name: Surgery > Diagnostic testing > Cardiovascular > Measuring pressure in heart or blood vessel > Force applied against skin to close blood vessel
Description: Subject matter wherein pressure is applied against skin overlying a blood vessel to close the latter.










Sub-classes under this class:

Class Number Class Name Patents
600/493 Electric signal generated by sensing means responsive to pulse or korotkoff sounds 283
600/491 Hand-supported occluder 25
600/499 Occluder structure 206
600/497 Pressure indicator includes liquid column 13
600/492 Tester having plural occluders, or single occluder and separate pressurized pulse sensing cuff or cushion 73
600/498 Valve structure 74


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

Patent Number Title Of Patent Date Issued
4774960 Method and apparatus for measuring blood pressure Oct. 4, 1988
4768518 Pressure control system and apparatus for the cuff of an automatic non-invasive blood pressure meter Sep. 6, 1988
4727884 Technique for obtaining the mean blood pressure constant for an individual's blood pressure Mar. 1, 1988
4722349 Arrangement for and method of tele-examination of patients Feb. 2, 1988
4718427 Method for determining systolic arterial blood pressure in a subject Jan. 12, 1988
4718428 Method for determining diastolic arterial blood pressure in a subject Jan. 12, 1988
4718426 Method for determining diastolic arterial blood pressure in a subject Jan. 12, 1988
4716906 Blood pressure cuff Jan. 5, 1988
4706684 Ambulatory blood pressure apparatus Nov. 17, 1987
4699151 Techniques for obtaining information associated with an individual's blood pressure including specifically a stat mode technique Oct. 13, 1987
4699152 Techniques for obtaining information associated with an individual's blood pressure including specifically a stat mode technique Oct. 13, 1987
4697596 Techniques for obtaining information associated with an individual's blood pressure including specifically a stat mode technique Oct. 6, 1987
4664651 Subatmospheric method and apparatus for expanding blood vessels to facilitate puncture with a cannula May. 12, 1987
4660566 Method and apparatus for the non-invasive monitoring of arterial blood pressure waves Apr. 28, 1987
4653506 Method of indirect measurement of arterial tension and a device for pulse wave registration Mar. 31, 1987
4651747 Waveform information obtaining techniques associated with an individual's blood pressure Mar. 24, 1987
4646754 Non-invasive determination of mechanical characteristics in the body Mar. 3, 1987
4597393 Arterial pressure measuring apparatus Jul. 1, 1986
4587974 Linear pressurizing and depressurizing device May. 13, 1986
4566462 Venous pressure measuring method and apparatus Jan. 28, 1986
4564020 Method and apparatus for obtaining an individual's systolic blood pressure Jan. 14, 1986
4562843 System for determining characteristics of blood flow Jan. 7, 1986
4552153 Pressure gauge Nov. 12, 1985
4549549 Electronic sphygmomanometer Oct. 29, 1985
4539997 Method and device for controlling the cuff pressure in measuring the blood pressure in a finger by means of photo-electric plethysmograph Sep. 10, 1985
4524777 Automatic, continuous and indirect blood pressure measurement apparatus Jun. 25, 1985
4501280 Automatic identification of cuff size in automated blood pressure monitors Feb. 26, 1985
4501281 Electronic sphygmomanometer Feb. 26, 1985
4492234 Pressure measurement method Jan. 8, 1985
4475554 Noninvasive continuous blood pressure meter Oct. 9, 1984
4465076 Self-applying accessory for blood pressure cuff Aug. 14, 1984
4461266 Adaptive incremental blood pressure monitor Jul. 24, 1984
4441504 Electronic cuff to monitor blood pressure in polygraph instruments Apr. 10, 1984
4437469 System for determining characteristics of blood flow Mar. 20, 1984
4418699 Twin gauge and twin needle sphygmomanometers Dec. 6, 1983
4413631 Sphygmomanometer construction Nov. 8, 1983
4378807 Blood pressure measurement apparatus Apr. 5, 1983
4354503 Blood pressure cuff Oct. 19, 1982
4338949 Method for performing non-invasive blood pressure and pulse rate measurements Jul. 13, 1982
4331154 Blood pressure and heart rate measuring watch May. 25, 1982
4325383 System and method for measuring and recording blood pressure Apr. 20, 1982
4222390 Sphygmomanometer gauge and method of use for blood pressure measurement Sep. 16, 1980
4206765 Cuff mechanism Jun. 10, 1980
4206764 Method and apparatus for analyzing cardiovascular systems Jun. 10, 1980
4202347 Method and apparatus for determining blood pressure May. 13, 1980
4139000 Bleedable pressure system for measuring or testing Feb. 13, 1979
D250896 Coin operated automatic blood pressure testing apparatus or the like Jan. 23, 1979
4130114 Fluid pressure measuring or testing system and bleed regulator valve therefor Dec. 19, 1978
4128014 Fine-adjusting arrangement for a sphygmomanometer Dec. 5, 1978
D250128 Sphygmomanometer Oct. 31, 1978

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