Everett H Ellinwood Jr: Self-powered implanted programmable medication system and method. B B Olive, March 27, 1979: US04146029 (525 worldwide citation)

A device and method for dispensing medication internally of the body utilize an implanted system which includes medication storage and dispensing control circuitry having control components which may be modified by means external of the body being treated to control the manner of dispensing the medi ...

John R Birk, Robert B Kelley, David A Seres: System for visually determining position in space and/or orientation in space and apparatus employing same. Board of Regents for Education of the State of Rhode Island, March 27, 1979: US04146924 (206 worldwide citation)

Visual system for determining position in space and/or orientation in three-dimensional space for purposes, for example, of directing or instructing an industrial robot to perform manipulative acts and apparatus employing the visual system. The system includes a portable object arbitrarily movable i ...

Herbert M Cullis, James H DeVries: Centrifugal liquid processing system. Baxter Travenol Laboratories, Henry W Collins, Eugene M Cummings, Paul C Flattery, March 27, 1979: US04146172 (181 worldwide citation)

An intervivos blood processing system for centrifugally separating red blood cell and platelet components from whole blood includes a separation chamber for separating red blood cell and white blood cell components, and a collection chamber for collecting platelet components. Each chamber is formed ...

Henri L Rosano: Method for preparing microemulsions. Brumbaugh Graves Donohue & Raymond, March 27, 1979: US04146499 (155 worldwide citation)

A unique method for the preparation of oil-in-water microemulsions is described. In carrying out this method, microemulsions are prepared in a four-step process: (1) a surfactant is selected which is just barely soluble in the oil phase; (2) the surfactant thus selected is dissolved in the oil to be ...

Stephen D Neale: Sun-tracking control system for solar collector. Sunpower Systems Corporation, Warren F B Lindsley, March 27, 1979: US04146785 (133 worldwide citation)

A solid-state control system for the control of a collector array, the system incorporating a sun-tracking mode, de-focusing at excessive temperatures, returning to a stand-by position after sunset, and prepositioning at sunrise.

Masafumi Tanimoto, Takashi Watanabe, Nobuaki Ieda, Junichi Murota: Irreversible semiconductor switching element and semiconductor memory device utilizing the same. Nippon Telegraph and Telephone Public, Charles W Helzer, March 27, 1979: US04146902 (129 worldwide citation)

A semiconductor switching element comprised by a high resistivity polycrystalline silicon resistor whose resistance irreversibly decreases to a small value at a threshold voltage upon the voltage across the resistor reaching the threshold voltage. A semiconductor memory device is constituted by usin ...

Michael Bass, Richard M Dwyer: Multichannel endoscope. University of Southern California, Harris Kern Wallen & Tinsley, March 27, 1979: US04146019 (127 worldwide citation)

A flexible endoscope for insertion into a body cavity for visual observation and medical procedures. A vacuum line slidable in a tube in the endoscope for projection beyond the distal end of the endoscope, with vacuum control, providing for removal of blood clots and the like while observing the ope ...

Kazuo Suzuki, Hideki Yoshizawa, Michio Ito: Endosseous implants. Sumitomo Chemical, Matsumoto Dental College, Birch Stewart Kolasch and Birch, March 27, 1979: US04145764 (125 worldwide citation)

An improved implant comprising a metallic base material and a coating layer of a ceramics which is formed by thermally sprayed firstly a bonding agent and secondly ceramic powders (optionally containing a porcelain) around the outersurface of the metallic base material. The implant has a sufficient ...

Joe L Abrams, Luis F Matta: Separable medical undergarment. Guy W Shoup, March 27, 1979: US04145763 (123 worldwide citation)

An undergarment for use in surgical, medical or other medical treatment environments, comprising at least two completely separable cloth panels, said panels being separable one from the other, the separation and fastening being effected by the use of Velcro or similar adhering materials. The underga ...

Ronald A Johnson, Horst R Hickmann: Fracture fixation by cerclage utilizing cortical bone tack and pull-out tension device. Ronald A Johnson, Melville Strasser Foster & Hoffman, March 27, 1979: US04146022 (103 worldwide citation)

An orthopedic implant for use in the internal fixation of a bone fracture by wiring, a method of fracture fixation by wiring which avoids bone resorption, and means for embedding the implant in the cortex of a bone adjacent the fracture site. The implant comprises a cylindrical body portion, a plura ...