1
Jose M O Vich: Apparatus for bone graft. Flynn Thiel Boutell & Tanis, October 31, 1989: US04877020 (433 worldwide citation)

An instrument for inserting a bone graft, wherein the bone graft is of a substantially cylindrical configuration and is extremely threaded. The graft is clampingly held at one end of an elongated instrument which securely holds the graft and permits it to be threadably inserted into a previously pre ...


2
Andreas Beck, Norbert Nanko: Device for the widening of blood vessels. Jones Askew & Lunsford, October 31, 1989: US04877030 (349 worldwide citation)

Device for the widening of blood vessels having a catheter (5) in whose front end area an elongate, inflatable balloon (6) is present, with the outside of the uninflated balloon (6) being wound round with a woven material (1) of such a length that its end edges (2), provided with a border, overlap. ...


3
Arvin D Danielson, Dennis A Durbin: Hand-held instant bar code reader system with automated focus based on distance measurements. Norand Corporation, Neuman Williams Anderson & Olson, October 31, 1989: US04877949 (343 worldwide citation)

In the instant reading of bar codes by flash illumination, the disclosed system automatically adapts to bar code configurations of greater extent and/or curvature, for example by measuring distance to one or more points on the bar code and adjusting a lens barrel, and/or by selecting from multiple i ...


4
Jean M Conway, Peter R McInnes: Steerable perfusion dilatation catheter. Advanced Cardiovascular Systems, Fulwider Patton Lee & Utecht, October 31, 1989: US04877031 (242 worldwide citation)

A balloon dilatation catheter for PCTA and other vascular procedures which provides for the perfusion of blood when the balloon is inflated to dilate the artery or otherwise impede blood flow. The catheter comprises an elongated tubular member having an inner lumen extending along the length thereof ...


5
Toru Mori: Transaction processing system. Oki Electric, Spencer & Frank, October 31, 1989: US04877947 (226 worldwide citation)

A transaction processing system using a prepaid microchip card includes a customer's microchip card reader/writer for communicating with a customer's microchip card in which a balance is recorded, and a vendor's microchip card reader/writer that can be electrically coupled to the customer's microchi ...


6
Wolf Dietrich Drews, Klaus Van Der Linden, Martin Ruttel, Jurgen Friedrich: Ultrasonic pocket atomizer. Siemens Aktiengesellschaft, Kenyon & Kenyon, October 31, 1989: US04877989 (197 worldwide citation)

An ultrasonic pocket-size atomizer comprises a housing including a first portion and a second portion detachably connected thereto. A vibration generation mechanism is mounted liquid-tight in the first portion of the housing for generating an oscillation with a frequency between 1 and 5 Mhz. The vib ...


7
Steve M Lin, Joseph F Rizzo: Multi-service telephone switching system. Bell Communications Research, James W Falk, October 31, 1989: US04878240 (170 worldwide citation)

Enhanced telephone services are provided through a multi-service telephone switching system that contains a programmable adjunct connected to a telephone switching system. Specifically, this system includes a telephone switch that serves at least one subscriber and an adjunct connected both through ...


8
Jean Luc M Caillat, Roger C Weatherston, James W Bush: Scroll-type machine with axially compliant mounting. Copeland Corporation, Harness Dickey & Pierce, October 31, 1989: US04877382 (161 worldwide citation)

There is disclosed a scroll-type machine particularly suited for use as a refrigerant compressor and incorporating an improved suspension system for the non-orbiting scroll whereby the latter may be pressure biased for the purpose of augmenting tip sealing. The machine also has a modified wrap tip a ...


9
Ronald E Norden Paul, Murray A Fein, Sandra L Stewart: Method for generating patient-specific flowsheets by adding/deleting parameters. Emtek Health Care Systems, Raymond J Warren, Walter W Nielsen, October 31, 1989: US04878175 (161 worldwide citation)

A hospital information system comprises a data processing system including a plurality of terminals having display means and data entry means. Patient information is entered into the system via the terminals, is organized hierarchically in the system, and may be displayed to users having proper acce ...


10
Tokumichi Murakami, Masami Nishida, Atsushi Ito: Amplitude-adaptive vector quantization system. Mitsubishi Denki Kabushiki Kaisha, Bernard Rothwell & Brown, October 31, 1989: US04878230 (154 worldwide citation)

An amplitude-adaptive vector quantization system intended for efficient signal coding and decoding. A mean value separation circuit (2) separates the mean value from an input signal which has been divided into blocks, and a tree-search vector quantizer (6) implements tree-search inner product vector ...