1
Joseph G Fortner, Dimitrios Papachristou: Surgical stapling instrument and method. Memorial Hospital for Cancer and Allied Diseases, Sprung Felfe Horn Lynch & Kramer, April 22, 1980: US04198982 (503 worldwide citation)

A method and a surgical stapling instrument for the stapling together of the free ends of two hollow organs. The instrument comprises an elongated tubular body, a base unit concentrically connected to the body and a head unit mounted to the body and concentric therewith for relative movement with re ...


2
George C Brumlik: Self-gripping devices with flexible self-gripping means and method. Sprung Felfe Horn Lynch & Kramer, April 22, 1980: US04198734 (268 worldwide citation)

Self-gripping devices having a base with a plurality of the gripping element attached are disclosed. The gripping elements are capable of releasably self-gripping fibrous materials without damaging same include a stiffly rigid stem with at least one flexible self-gripping means attached thereto. The ...


3
Donald A Thompson: Cutting and drilling apparatus with threadably attached compacts. General Electric Company, Douglas B Little, Dennis A Dearing, William S Feiler, April 22, 1980: US04199035 (175 worldwide citation)

An apparatus for rock cutting and drilling. A preferred embodiment of the apparatus is a drill bit comprised of composite compact cutters removably secured or attached to the drill crown. The cutter is preferably comprised of a stud or pin with an abrasive composite compact bonded at one end of the ...


4
Mikio Utsugi: Apparatus for removing a foreign matter having individually operable trapping and flexing wires, a central channel for illumination, suction and injection and a laterally disposed bore for feeding fluids. Olympus Optical, April 22, 1980: US04198960 (175 worldwide citation)

An apparatus for removing a foreign matter from the human body cavity includes a sheath to be inserted into the body cavity, a foreign matter trapping section and a device for selecting the flexing length of the flexing portion of the sheath. The sheath is made of a flexible material, and the foreig ...


5
Leslie C Rose, Joseph T Hamrick: Multistage gas generator. World Energy Systems, Allan R Fowler, April 22, 1980: US04199024 (173 worldwide citation)

A multistage gas generator for use in a borehole for recovering hydrocarbons from the subsurface formations. The gas generator has an upper end and a lower restricted outlet. A pilot stage is located at the upper end and a plurality of spaced apart intermediate stages are located between the pilot s ...


6
John C Chabala, Michael H Fisher: Selective hydrogenation products of C-076 compounds and derivatives thereof. Merck & Co, David L Rose, Harry E Westlake, April 22, 1980: US04199569 (153 worldwide citation)

Derivatives of C-076 are described in which the C-076 molecule, as series of macrolides, has a specific unsaturation, at the 22,23-position, catalytically reduced. Further reaction of the reduced C-076 compounds are also possible. The compounds thus produced have profound anthelmintic, insecticidal, ...


7
Clare E Barkalow, James O Elam: Cardiopulmonary resuscitator, defibrillator and monitor. Michigan Instruments, Price Heneveld Huizenga & Cooper, April 22, 1980: US04198963 (146 worldwide citation)

A reciprocal cardiac compressor is provided for cyclically compressing a patient's chest. The cardiac compressor includes a resuscitator for ventilating the patient's lungs. A first internal electrode is positioned in the esophagus of the patient with an esophageal-pharyngeal airway. The resuscitato ...


8
Manfred Sinnreich: Intrauterine surgical device. Charles E Temko, April 22, 1980: US04198981 (145 worldwide citation)

An improved insufflating device particular adapted for use in intrauterine surgical procedures, and similar applications. The device is characterized in the provision of a first hollow shaft having an open distal end through which the barrel of an endoscopic or cystoscopic device is passed. A first ...


9
Jal S Jassawalla: Medical infusion system. Andros Incorporated, Fitch Even & Tabin, April 22, 1980: US04199307 (143 worldwide citation)

A medical infusion system is described employing a pump for conducting fluid or semi-solids from an upstream portion to a downstream portion of the system. The pump includes conduit means defining, in part, a removable cassette having a window therein and a diaphragm spanning the window. The cassett ...


10
Howard J Schaeffer: Methods and compositions for treating viral infections and guanine acyclic nucleosides. Burroughs Wellcome Co, Donald Brown, April 22, 1980: US04199574 (135 worldwide citation)

9-Hydroxyethoxymethyl (and related) derivatives of certain 6-, and 2,6-substituted purines have been discovered to have potent anti-viral activities. Novel compounds and their pharmaceutically acceptable salts, pharmaceutical formulation containing the compounds of this invention, and the treatment ...