Charles D Lennox, Richard A Noddin, Ronald Sahatjian: Device and method for heating tissue in a patients body. Fish & Richardson, September 11, 1990: US04955377 (595 worldwide citation)

Device and method for heating tissue, the device having a catheter shaft for insertion into a patient's body, a chamber formed by a collapsible balloon mounted on the catheter shaft and filled with an electrically conductive fluid, two or more electrical contacts enclosed within the chamber, a power ...

Larry J Hornbeck: Spatial light modulator. Texas Instruments Incorporated, Melvin Sharp, James T Comfort, Carlton H Hoel, September 11, 1990: US04956619 (560 worldwide citation)

A deflectable beam spatial light modulator formed from a structure of a reflecting layer, typically metal, on a spacer layer, typically photoresist, which in turn is on a substrate containing electronic addressing circuitry is disclosed. Also, the method of fabrication including a plasma etch after ...

Thomas M Tompkins, Dominic F Presty: Locking mechanism for a surgical fastening apparatus. United States Surgical Corporation, Thomas R Bremer, Peter G Dilworth, Rocco S Barrese, September 11, 1990: US04955959 (508 worldwide citation)

An improved surgical stapling apparatus containing a locking mechanism to prevent reactuation of the apparatus, the locking mechanism comprising a resilient clip having a hook which is engagable with a locking notch on the cam bar retainer. The resilient clip is initially held in a non-engagable pos ...

Otto Frey, Rudolf Koch: Metallic intervertebral prosthesis. Sulzer Brothers, Kenyon & Kenyon, September 11, 1990: US04955908 (447 worldwide citation)

The metallic intervertebral prosthesis is formed of a kidney-shaped body having fishplates extending upwardly and downwardly from the body. Each fishplate has an opening for passage of a bone screw in order to secure the prosthesis to and between adjacent vertebrae. The body is tapered conically fro ...

Stephen F Badylak, Leslie A Geddes, Gary Lantz, Arthur C Coffey: Tissue graft composition. Purdue Research Foundation, Barnes & Thornburg, September 11, 1990: US04956178 (339 worldwide citation)

This invention relates to a method for preparation of a tissue graft composition from a segment of small intestine. A tissue graft composition is described which comprises the tunica submucosa of a segment of small intestine of a warm-blooded vertebrate wherein the tunica submucosa is deliminated fr ...

Kenneth L Schierbeek, Mark L Larson, Kenneth Schofield: Control for a moisture sensor. Donnelly Corporation, Price Heneveld Cooper DeWitt & Litton, September 11, 1990: US04956591 (314 worldwide citation)

A control for a moisture sensing assembly, adapted for mounting on the inner surface of a vehicle window or windshield to control vehicle accessories such as windshield wipers, maximizes the window area being sensed in relationship to the size of the assembly and provides immunity to interference fr ...

Floyd Eide: Integrated circuit chip stacking. Dense Pac Microsystems, Spensley Horn Jubas & Lubitz, September 11, 1990: US04956694 (287 worldwide citation)

A device for increasing the density of integrated circuit chips on a printed circuit board. A plurality of integrated circuits are packaged within chip carriers and stacked, on one top of the other, on a printed circuit board. Each of the input/output data terminals, power and ground terminals of th ...

Peter R Hall: Motion artefact rejection system for pulse oximeters. National Research Development Corporation, Howard F Mandelbaum, September 11, 1990: US04955379 (260 worldwide citation)

A pulse oximeter apparatus characterized in that it comprises a bandpass filter adapted selectively to exclude motion artefact from wanted signal is disclosed.

Bradley J Enegren, Gerald S Melsky, Frank R Prosl: Dual access infusion and monitoring system. Therex, Nutter McClennen & Fish, September 11, 1990: US04955861 (254 worldwide citation)

A dual access infusion or monitoring system comprises implantable apparatus and an injection needle. This system enables one to introduce into or withdraw from the apparatus, after it is implanted, a plurality of fluids simultaneously with only a single penetration of the patient's skin. The implant ...

Linda V Della Corna, Robert C Farnan, William M Colone, Rajagopal R Kowligi: Longitudinally compliant vascular graft. Impra, Cahill Sutton & Thomas, September 11, 1990: US04955899 (227 worldwide citation)

A longitudinally compliant PTFE graft is provided by compressing at least a portion of a porous PTFE tube along its longitudinal axis and coating at least the outer wall of the compressed portion of the PTFE tube with a biocompatible elastomer for allowing the compressed portion of the tube to be st ...