1
Charles C Edwards: Spinal fixation device and method. Sherman & Shalloway, January 25, 1983: US04369769 (235 worldwide citation)

A spinal fixation device in which sleeves or spacers are placed over or around spinal rods in order to obtain better reduction of spinal fractures or spinal deformities. The sleeves can be made in various thicknesses so that the surgeon can obtain optimum fixation in each case. The sleeves can be ma ...


2
Jen Chen, Hong Chen: Remote-control radio vacuum cleaner. Millen & White, January 25, 1983: US04369543 (167 worldwide citation)

A remote-control radio vacuum cleaner comprises a remote control device having radio transmitting circuits matched with a control mechanism for generating various control signals, and a separate vacuum cleaner structure disposed with vacuum cleaning fittings for dust suction operations, a storage ba ...


3
Richard W Gilson, Edward F Windischman: Luer connector. Sherwood Medical, Stanley N Garber, William R O Meara, January 25, 1983: US04369781 (124 worldwide citation)

A fluid coupler for connecting two devices in locked fluid communication is provided which includes a body (12) having a male Luer lock connector (14) at one end connected in fluid communication with a female connector (28) at the other end. The female connector (28) is radially spaced from an outer ...


4
Yves J Kemper: Traction surface cooling method and apparatus. Vadetec Corporation, Ziems and Walter, January 25, 1983: US04369667 (122 worldwide citation)

A traction surface cooling method and apparatus for traction drive transmissions capable of continuous speed ratio variation in which a traction lubricant is circulated over a defined sector of a traction surface spaced from the point of rolling frictional contact of that surface with a cooperating ...


5
James E McClain, William D Dickson, Howard L Scott: Method and apparatus for monitoring and controlling on line dynamic operating conditions. ESCO Manufacturing Company, Kenneth R Glaser, January 25, 1983: US04370098 (120 worldwide citation)

Disclosed are a method and system for monitoring and controlling the normally inaccessible dynamic operating conditions, such as well fluid head and motor terminal voltage, of a well pumping operation, in response to monitored conditions at the top of the well. At the heart of the system is a comput ...


6
Anton Banko: Ultrasonic transducer tips. Surgical Design, Darby & Darby, January 25, 1983: US04370131 (119 worldwide citation)

In one embodiment an ultrasonic transducer is provided in which the work tip is formed of a piece of tubular material and a substantial portion, or all, of the tip has a constantly diminishing cross-section approaching the end of the tip. The fluid for the work tip is delivered through the hollow ti ...


7
Marko Vukovic: Arthroscope. Robert E Browne, Stephen R Arnold, January 25, 1983: US04369768 (116 worldwide citation)

An improved diagnostic and operative arthroscope is described having an extended eye piece and optical channel, an instrument channel, light source and irrigation channel. The functional channels and light source are secured in parallel and covered by a sheath so as to form a generally oval shape in ...


8
Harold J Goald: Reversed forceps for microdisc surgery. Fidelman Wolffe & Waldron, January 25, 1983: US04369788 (110 worldwide citation)

Forceps of the alligator jaw type, that can be held by a surgeon in a reversed backhand grip while observing the movable jaw during microlumbar discectomy, comprise three linkage devices for resisting twisting forces that tend to separate the sliding arms during removal of gristle. These devices are ...


9
Jan Vandebult: Process for fabricating resonant tag circuit constructions. Schwartz Jeffery Schwaab Mack Blumenthal & Koch, January 25, 1983: US04369557 (108 worldwide citation)

An insulative substrate web having a conductive surface on a first face is printed and etched to provide a repetitive conductive circuit pattern. In one form of the invention, the pattern defines a first conductive area serving as a first capacitor plate, and an inductor connected thereto; conductiv ...


10
Albert E Cosand, Kenneth B de Graaf: Differential sample-and-hold circuit. TRW, Donald R Nyhagen, January 25, 1983: US04370572 (104 worldwide citation)

A high-speed sample-and-hold circuit well suited for fabrication in monolithic form, the circuit including a pair of capacitors used to track a differential analog signal, and at least two switches for connecting the analog signal to the capacitors in a tracking mode, and for isolating the capacitor ...