1
Gilbert R Deming: Electronic funds transfer system. April 18, 1989: US04823264 (576 worldwide citation)

The present invention relates to an electronic funds transfer system that assures that funds to be electronically transferred are actually present to be transferred. This is accomplished by sending both the debit side and the credit side of the transaction as described in automated clearing house re ...


2
David T Green: Staple cartridge and an anvilless surgical stapler. United States Surgical Corporation, Kenyon & Kenyon, April 18, 1989: US04821939 (441 worldwide citation)

The anvilless surgical stapler includes a pair of stapling assemblies which are mounted on the articulated handles of an applicator. Each stapling assembly includes a mounting block and a staple cartridge which is slidably mounted within the block. Further, each cartridge has a housing with a plural ...


3
George E Nelson: Renewable option accounting and marketing system. Merchant Gould Smith Edell Welter & Schmidt, April 18, 1989: US04823265 (422 worldwide citation)

A system and method for processing transactions in renewable options in stocks or other securities. The system provides means for entry of customer data and renewable option transaction data, means for processing the data, and means for storing the data. Included in the transaction data is data rega ...


4
Michael A Martinelli, Peter von Thuna: Acoustic image system and method. Intra Sonix, Schiller Pandiscio and Kusmer, April 18, 1989: US04821731 (317 worldwide citation)

An apparatus and method is disclosed for imaging internal features of a living body at a preselected site so that the data can be imaged in a quick, efficient and reliable manner with high resolution. The apparatus includes a catheter having a longitudinal axis, a proximal end and a distal end such ...


5
Ross G Baker Jr, Stephen J Whistler, Raymond E Ideker, Richard V Calfee, Edward A Haluska: Biphasic waveforms for defibrillation. Intermedics, Russell J Egan, Donald R Greene, April 18, 1989: US04821723 (315 worldwide citation)

In a method and apparatus for defibrillating a heart in fibrillation, the onset of fibrillation of the heart is detected, and a biphasic waveform having only a first phase and a second phase is applied to the fibrillating heart. Each phase of the waveform is characterized by a predetermined time dur ...


6
Peter S Walker, Frederick C Ewald: Method of design of human joint prosthesis. Wolf Greenfield & Sacks, April 18, 1989: US04822365 (294 worldwide citation)

A method of designing a prosthesis having convex male and concave female mating portions is provided for a human joint comprising a condylar male portion the surface of which is generated by the piecewise analysis of an anatomical condyle, which can be an average condyle or a selected condyle, or a ...


7
Stanley Newhouse, Robert Lerner, Roy Martin: Insulin delivery method and apparatus. Wolder Gross & Yavner, April 18, 1989: US04822337 (266 worldwide citation)

A method and apparatus for providing for the insulin needs of a diabetic individual utilizes blood flow in the digestive tract as the operative variable. Such blood flow is monitored and when deviations from a base level are sensed insulin is provided in measured amounts. The blood flow may be monit ...


8
Amr M Mohsen, Esmat Z Hamdy, John L McCullum: Programmable low impedance anti-fuse element. Actel Corporation, Lyon & Lyon, April 18, 1989: US04823181 (236 worldwide citation)

An electrically programmable low impedance circuit element is disclosed having capacitor-like structure with very low leakage before programming and a low resistance after programming. The electrically programmable low impedance circuit element of the present invention includes a lower conductive el ...


9
Arnold L Newman: Optimized capacitive sensor for chemical analysis and measurement. The Johns Hopkins University, Robert E Archibald, Howard W Califano, April 18, 1989: US04822566 (219 worldwide citation)

An apparatus for detecting the presence and/or measuring the concentration of an analyte in the fluid medium is disclosed. The apparatus relies on biospecific binding between a biochemical binding system and the analyte to change the dielectric properties of a capacitive affinity sensor. The biologi ...


10
David R Walt: Radiative and non-radiative energy transfer and absorbance modulated fluorescence detection methods and sensors. Trustees of Tufts College, David Prashker, April 18, 1989: US04822746 (188 worldwide citation)

A variety of methods and apparatus for the detection of an analyte of interest in a fluid sample is provided which relies upon the interaction of a fluorophore and a chromophoric light absorbing compound for qualitative and quantitative results. The methods preferably employ fiber optic sensors in c ...