1
Aubrey M Palestrant: Mechanically locking blood clot filter. Cahill Sutton & Thomas, May 23, 1989: US04832055 (514 worldwide citation)

A blood clot filter particularly suited for filtering blood clots from blood circulating through the inferior vena cava is composed of a number of peripheral wires joined at one end by a first connector and also joined approximately at their middle portions by a second connector. The wire portions e ...


2
David R Humble: Checkout counter product promotion system and method. Advance Promotion Technologies, Robin Blecker & Daley, May 23, 1989: US04833308 (317 worldwide citation)

An expanded display unit for communication with a customer in a supermarket checkout facility is furnished with information from a system responsive to UPC signals provided by a scanner. Such system discerns selected characteristics of the customer, particularly deducing from products selected for p ...


3
Richard A Comroe, Kenneth J Zdunek: Trunked communication system with nationwide roaming capability. Motorola, Thomas G Berry, May 23, 1989: US04833701 (314 worldwide citation)

Selected regional trunking systems are equipped with telephone interconnect capability and provided with local computers (106), which communicate with a national hub computer (110). At each selected trunking system, several IDs are reserved as "roaming IDs" to be temporarily assigned to roaming subs ...


4
Morito Idemoto, Yasuo Noguchi: Surgical instrument. Sumitomo Bakellite Company, Browdy and Neimark, May 23, 1989: US04832683 (279 worldwide citation)

A surgical instrument for cutting and separating biological tissue by employing ultrasonic vibration, particularly for cutting bones, separating the periosteum, and cutting and separating a coherent mass such as a calcium mass. An ultrasonic vibration-transmitting tool (5) which is connected to an u ...


5
Vincent B Pizziconi, Bruce C Towe: Method and apparatus for withdrawing, collecting and biosensing chemical constituents from complex fluids. Joseph D Kennedy, May 23, 1989: US04832034 (274 worldwide citation)

An anisotropic hollow fiber membrane is utilized to sample fluids for selected substances by convective flow of liquid and such substances, with conduct of the liquid to a sensor for analysis for such substances, to permit monitoring, particularly of body fluids, for such substances with short respo ...


6
Donald Cohen: Suction ablation catheter. Cordis Corporation, Gerstman & Ellis, May 23, 1989: US04832048 (272 worldwide citation)

A suction ablation catheter, for use in inactivating portions of the heart's conduction system to prevent abnormal heartbeat rates, comprises a tubular body having an open, distal end and a proximal aperture for applying suction through the catheter and through the distal end. The catheter also has ...


7
Pankaj M Vadgama, William H Mullen, Graham W Scott: Enzyme electrode and membrane. Imperial Chemical, Cushman Darby & Cushman, May 23, 1989: US04832797 (260 worldwide citation)

A membrane particularly for use in a sensor of the enzyme-electrode type which comprises one or more layers of material and an enzyme-containing layer and in which one layer is formed from a sulphonated or unsulphonated polyarylsulphone or a sulphonated or unsulphonated polyarylketone. The specifica ...


8
Kyuta Sagae, Naoto Takemura, Yoshiaki Sugiyama, Susumu Tanabe: Catheter for repair of blood vessel. Terumo Kabushiki Kaisha, Frishauf Holtz Goodman & Woodward, May 23, 1989: US04832688 (254 worldwide citation)

A catheter for the repair of an injured blood vessel, characterized by comprising a multiple-lumen type catheter tube having at least two tubular cavities, at least one dilating member disposed in the distal portion of said catheter tube and adapted to communicate with one of said tubular cavities, ...


9
Steven W Handy, E Roger Everman, Gordon N Bloom, Bram B Johnson: Package handling and sorting system. Roadway Package System, Oldham & Oldham Co, May 23, 1989: US04832204 (214 worldwide citation)

The invention relates to a package handling and sorting system which sorts small packages according to destination, segregating those with the same destinations for combined shipments. The system depends on a unique combination of conveying equipment automatically controlled by programmed data proce ...


10
Robert P Colwell, John O Donnell, David B Papworth, Paul K Rodman: Hierarchical priority branch handling for parallel execution in a parallel processor. Multiflow Computer, Hale and Dorr, May 23, 1989: US04833599 (206 worldwide citation)

In a parallel data processing system having a plurality of separately operating arithmetic processing units, a method and apparatus allows a plurality of branch instructions to be operated upon in a single machine cycle. The branch instructions have associated therewith a hierarchical priority syste ...