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Class Information
Number: 600/456
Name: Surgery > Diagnostic testing > Detecting nuclear, electromagnetic, or ultrasonic radiation > Ultrasonic > Doppler effect (e.g., fetal hr monitoring) > Blood flow studies > Pulse doppler > With volumetric measurement
Description: Subject matter wherein a quantitative determination of blood flow volume is detected.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5575290 |
Coarse-fine ultrasound transducer array for medical imaging |
Nov. 19, 1996 |
| 5555886 |
Apparatus and method for detecting blood vessel size and direction for doppler flow measurement system |
Sep. 17, 1996 |
| 5515857 |
Ultrasonic diagnostic apparatus |
May. 14, 1996 |
| 5505204 |
Ultrasonic blood volume flow rate meter |
Apr. 9, 1996 |
| 5501224 |
Ultrasonic diagnostic apparatus |
Mar. 26, 1996 |
| 5495852 |
Method and apparatus for estimating diameter of an artery using B-mode ultrasonic images |
Mar. 5, 1996 |
| 5474073 |
Ultrasonic diagnostic scanning for three dimensional display |
Dec. 12, 1995 |
| 5465721 |
Ultrasonic diagnostic apparatus and ultrasonic diagnosis method |
Nov. 14, 1995 |
| 5406948 |
Flowmeters |
Apr. 18, 1995 |
| 5379771 |
Ultrasonic imaging apparatus |
Jan. 10, 1995 |
| 5365929 |
Multiple sample volume spectral Doppler |
Nov. 22, 1994 |
| 5333614 |
Measurement of absolute vascular flow |
Aug. 2, 1994 |
| 5322067 |
Method and apparatus for determining the volume of a body cavity in real time |
Jun. 21, 1994 |
| 5320105 |
Ultrasonic echograph for measuring high velocities of blood flows |
Jun. 14, 1994 |
| 5280787 |
Ultrasonic method and apparaus for determination of vessel location and size |
Jan. 25, 1994 |
| 5235985 |
Automatic bladder scanning apparatus |
Aug. 17, 1993 |
| 5224483 |
Adaptive contrast enhancement for scanned ultrasonic image |
Jul. 6, 1993 |
| 5224482 |
Ultrasound high velocity flow correlation measurement using coded pulses |
Jul. 6, 1993 |
| 5211169 |
Blood pool imaging and analysis technique using ultrasound |
May. 18, 1993 |
| 5203337 |
Coronary artery imaging system |
Apr. 20, 1993 |
| 5199437 |
Ultrasonic imager |
Apr. 6, 1993 |
| 5195521 |
Tissue measurements |
Mar. 23, 1993 |
| 5139020 |
Method and apparatus for controlling the hemodynamic state of a patient based on systolic time interval measurements detecting using doppler ultrasound techniques |
Aug. 18, 1992 |
| 5078148 |
Apparatus and method for continuously measuring volumetric blood flow using multiple transducers and catheter for use therewith |
Jan. 7, 1992 |
| 5062427 |
Ultrasonic doppler apparatus |
Nov. 5, 1991 |
| 5052395 |
Non-invasive ultrasonic pulse doppler cardiac output monitor |
Oct. 1, 1991 |
| 4913159 |
Method for determining blood flow through a narrowed orifice using color doppler echocardiography |
Apr. 3, 1990 |
| 4873985 |
Ultrasonic imaging apparatus utilizing doppler flow metering |
Oct. 17, 1989 |
| 4807636 |
Method and apparatus for measuring volume fluid flow |
Feb. 28, 1989 |
| 4790322 |
Ultrasonic type blood flow amount measuring apparatus |
Dec. 13, 1988 |
| 4784147 |
Method and apparatus for sidelobe suppression in scanning imaging systems |
Nov. 15, 1988 |
| 4509526 |
Method and system for non-invasive ultrasound Doppler cardiac output measurement |
Apr. 9, 1985 |
| 4501279 |
Ultrasonic blood flow sensing apparatus |
Feb. 26, 1985 |
| 4476874 |
Ultrasonic imaging with volume flow measuring method and apparatus |
Oct. 16, 1984 |
| 4431936 |
Transducer structure for generating uniform and focused ultrasonic beams and applications thereof |
Feb. 14, 1984 |
| 4373533 |
Ultrasonic diagnosing apparatus |
Feb. 15, 1983 |
| 4370985 |
Medical measuring apparatus |
Feb. 1, 1983 |
| 4259870 |
Doppler method of measuring flow |
Apr. 7, 1981 |
| 4103679 |
Method and apparatus for measuring blood flow noninvasively |
Aug. 1, 1978 |
| 4095597 |
Arrangement for measuring cross-sectional fluctuations of conduits streamed through by fluids and for supplying indications of volumetric flow and/or conduit elasticity based thereon |
Jun. 20, 1978 |
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