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Arthur D Steffee: Apparatus for straightening spinal columns. Acromed Corporation, Young & Tarolli, September 16, 1986: US04611581 (461 worldwide citation)

An improved apparatus is provided to reduce the extent of displacement between adjacent vertebrae in a person's spinal column and to subsequently maintain the vertebrae in a reduced displacement relationship. When the apparatus is to be installed, holes are formed in the displaced vertebra and in ve ...


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John T Grayhack, Theodore V Benderev: Medical instrument for containment and removal of calculi. Northwestern University, Tilton Fallon Lungmus, September 16, 1986: US04611594 (361 worldwide citation)

Several versions of instruments are disclosed which are useful for the containment of calculi to minimize injury to surrounding tissue during removal and/or destruction of such calculi. In each embodiment a suitable grasping device is utilized to locate and grasp a stone (calculus) in a body passage ...


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Thomas A Duff: Vertebral clamp. Wisconsin Alumni Research Foundation, David J Houser, September 16, 1986: US04611582 (358 worldwide citation)

A vertebral clamp adapted to control the spatial relationship between two vertebrae by attachment to the laminae thereof. The vertebral clamp includes a longitudinally extending body divided into first and second halves. The halves are fastened together by fastening means that allow for adjustment o ...


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Patrick S L Wong, Brian Barclay, Joseph C Deters, Felix Theeuwes: Osmotic device with dual thermodynamic activity. Alza Corporation, Paul L Sabatine, Edward L Mandell, Steven F Stone, September 16, 1986: US04612008 (314 worldwide citation)

An osmotic system is disclosed comprising a wall formed in at least a part of a semipermeable material that surrounds a compartment. The compartment contains a first osmotic composition comprising a beneficial agent, and a second and different osmotic composition. A passageway in the wall connects t ...


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Masaaki Yasumoto, Hiroshi Hayama, Tadayoshi Enomoto: Process of fabricating three-dimensional semiconductor device. NEC Corporation, Sughrue Mion Zinn Macpeak and Seas, September 16, 1986: US04612083 (278 worldwide citation)

A process of fabricating a three-dimensional semiconductor device, comprising the steps of preparing at least two multilayer structures each including at least one semiconductor element and a conductor connected at one end to the semiconductor element and having at the other end an exposed surface, ...


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Hans Kautzky: Central occluder semi-biological heart valve. Hill Van Santen Steadman & Simpson, September 16, 1986: US04612011 (273 worldwide citation)

A new prosthetic heart valve has a standard mounting ring with a centrally located occluder and a single piece biological circular flat membrane with a central aperture adapted to be selectively closed by the occluder.


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Douglas W Glover, John C Hoffer, Erlon F Johnson, Ronald R Schaffer: Fiber optic connector assembly and wall outlet thereof. AMP Incorporated, Adrian J LaRue, Anton P Ness, September 16, 1986: US04611887 (189 worldwide citation)

A fiber optic connector assembly comprises a housing member having a passageway extending therethrough. A receptacle connector member is latchably mounted in the passageway and has therein fiber optic connectors terminated to ends of fiber optic transmission members and fiber optic cables. The fiber ...


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