Donald N Ross, Endre Bodnar, William J Hoskin: Stent for a cardiac valve. Stevens Davis Miller & Mosher, August 10, 1982: US04343048 (438 worldwide citation)

A stent for a cardiac valve comprises a metal base ring having metal legs projecting therefrom in a generally axial direction, each leg being flexible in such a manner that, when the stent has a valve installed therein and the valve is under pressure such as when operating in the heart, each respect ...

Thomas H Barrows: Synthetic absorbable surgical devices of poly(esteramides). Minnesota Mining and Manufacturing Company, Cruzan Alexander, Donald M Sell, Lorraine R Sherman, August 10, 1982: US04343931 (208 worldwide citation)

A body absorbable polymeric material for implantation which is a condensation product of reacting a diamine with lactic or glycolic acid to form a diamidediol which is then reacted with a bischloroformate or a compound selected from the group consisting of dicarboxylic acids, methyl and ethyl esters ...

Robert Indech: Subcutaneous neural stimulation or local tissue destruction. August 10, 1982: US04343301 (187 worldwide citation)

A method of generating a high energy density at any point in the body, noninvasively, by two high frequency sonic beams creating a low frequency beating pattern at their intersection locus. One method provides for two transducers at different angular positions. Each transducer produces a beam patter ...

Gerd Binnig, Heinrich Rohrer: Scanning tunneling microscope. International Business Machines Corporation, Ronald L Drumheller, August 10, 1982: US04343993 (186 worldwide citation)

The vacuum tunnel effect is utilized to form a scanning tunneling microscope. In an ultra-high vacuum at cryogenic temperature, a fine tip is raster scanned across the surface of a conducting sample at a distance of a few Angstroms. The vertical separation between the tip and sample surface is autom ...

Pietro Belisomi, Attilio Farina: Television set with picture-storage means. Indesit Industria Elettrodomestici Italiana S p A, Ostrolenk Faber Gerb & Soffen, August 10, 1982: US04344090 (175 worldwide citation)

A television set having a picture display device, means for tuning into selected radiated television signals and means for supplying the received signal pictures to the said display device, the set further comprising a preferably non-volatile memory containing coded data corresponding to at least on ...

Tadashi Hayashi, Setsuo Nomura: X-ray tubes. Hitachi, Charles E Pfund, August 10, 1982: US04344011 (125 worldwide citation)

In an X-ray tube comprising a cathode electrode including a filament for emitting electrons and a focusing electrode having a focusing groove adapted to contain the filament, and an anode electrode opposing the cathode electrode and maintained at a high potential which is positive relative to the fi ...

Robert D Gross: Surgical ground detector. Wendell Coffee, August 10, 1982: US04343308 (123 worldwide citation)

An electrosurgical grounding pad has a temperature sensor to prevent skin burns. A paraffin insulated conductor is embedded in a conducting gel medium so that before a burn-producing temperature exists, the insulation melts and connects the conductor to ground. An alarm detects the presence of the g ...

Henry C Pao, Richard A Blanchard, Benedict C K Choy: Combined DMOS and a vertical bipolar transistor device and fabrication method therefor. Supertex, Harry M Weiss, August 10, 1982: US04344081 (121 worldwide citation)

This disclosure relates to an improved DMOS semiconductor type device which can function both as a DMOS (unipolar) type device and as a bipolar transistor device. The DMOS device has two separated source regions of, for example, N+ conductivity and each of these source regions is surrounded by a P- ...

Hiroitsu Kawata, Masayoshi Aruga, Tadayoshi Ohmura, Takashi Sonobe, Satoru Yoneya, Chiharu Sone: Sustained release pharmaceutical composition of solid medical material. Yamanouchi Pharmaceutical, Burgess Ryan and Wayne, August 10, 1982: US04343789 (108 worldwide citation)

Sustained release pharmaceutical composition of a solid medical material which contains an amorphous solid medical material, polyethylene oxide, and at least one basic substance selected from the group consisting of hydroxypropylmethyl cellulose, hydroxypropyl cellulose, methyl cellulose, polyvinyl ...

Steven M Aasen, Rex J Dalzell, Edward J Goettert, Brian N Holmes, George V D Tiers: Fixing of tetra (hydrocarbyl) borate salt imaging systems. Minnesota Mining and Manufacturing Company, Cruzan Alexander, Donald M Sell, Mark A Litman, August 10, 1982: US04343891 (98 worldwide citation)

A method for forming an image includes the step of desensitizing a radiation sensitive imaging system comprising a dye and a tetra (hydrocarbyl) borate in a binder by converting the tetra (hydrocarbyl) borate to a compound having fewer than four carbon-to-boron bonds.