1
Dennis J Denen, Philip E Eggers, Robert F Shaw, Albert E Weller III: Local in-device memory feature for electrically powered medical equipment. Hemostatix Corporation, Fish & Neave, March 21, 1995: US05400267 (579 worldwide citation)

A non-volatile memory disposed within electrically powered medical equipment is described. The non-volatile memory may be preprogrammed to store utilization limits and parametric data for the equipment. An external control module may be programmed to store the utilization history for the equipment i ...


2
Jack C Cordis, Dennis J Denen, Philip E Eggers, John J Knittle, Raymond C Ramsey, Robert F Shaw: Electrosurgical apparatus employing constant voltage and methods of use. Hemostatic Surgery Corporation, Nicola A Pisano, Fish & Neave, December 5, 1995: US05472443 (557 worldwide citation)

Methods and apparatus are provided for use in performing electrosurgery, wherein a power supply supplies an electrosurgical instrument with a low voltage power signal having a substantially constant peak-to-peak voltage that is independent of the load impedance and which has a crest factor near unit ...


3
Philip E Eggers, Robert F Shaw: Methods and apparatus for performing in vivo blood thermodilution procedures. Robert F Shaw, Robert R Jackson, November 22, 1988: US04785823 (145 worldwide citation)

A thermodilution catheter has electrodes in electrical contact with the blood flowing adjacent to the catheter. A potential difference applied to the electrodes causes electrical current to flow in the volume of blood in the region of the electrodes, thereby creating a bolus of blood at elevated tem ...


4
Philip E Eggers, Robert F Shaw: Electrically heated surgical blade and methods of making. Robert F Shaw, Nicola A Pisano, May 3, 1994: US05308311 (124 worldwide citation)

A hemostatic surgical blade and methods of manufacturing such blades are provided, wherein the blade comprises a laminate region having a hardenable center layer and highly thermally conductive outer layers, joined to a second region of a low thermal conductivity material. A heating element is secur ...


5
Robert F Shaw, Philip E Eggers: Abherent surgical instrument and method. July 18, 1989: US04848337 (93 worldwide citation)

Method and means are disclosed for preventing tissue from adhering to surgical apparatus while operating at tissue temperatures at which hemostasis with minimal tissue damage occurs, and include interposing between the surgical apparatus and the tissue being heated thereby an abherent coating which ...


6
Robert F Shaw, John M Sperinde: Catheter oximeter apparatus and method. Lyon & Lyon, September 19, 1978: US04114604 (90 worldwide citation)

An improved catheter oximeter operates on radiation at three or more different wavelengths applied to and scattered back from blood under test to provide an indication of oxygen saturation and is considerably less sensitive to accuracy-degrading variations in the blood and its environment and in the ...


7
John M Cage, Robert F Shaw, Paul E Stoft: Method of using an electrically heated surgical cutting instrument. Robert F Shaw, Lyon & Lyon, April 22, 1980: US04198957 (85 worldwide citation)

A surgical cutting instrument includes an electrically heated cutting edge and an automatic control system for maintaining the cutting edge at a constant high temperature for sterilizing the blade, cutting tissue, and cauterizing the incised tissue to reduce hemorrhage from the cut surfaces of the t ...


8
Robert F Shaw, David E Stutz: Surgical instrument having self-regulated electrical proximity heating of its cutting edge and method of using the same. Robert F Shaw, Lyon & Lyon, May 30, 1978: US04091813 (80 worldwide citation)

The cutting edge of a scalpel blade is heated to a preselected constant temperature range by conduction of high frequency current through the blade of ferromagnetic material in a region thereof which is in close proximity to a conductor positioned along the cutting edge. Selective heating of regions ...


9
Robert F Shaw: Surgical instrument having self-regulated electrical skin-depth heating of its cutting edge and method of using the same. Lyon & Lyon, January 29, 1980: US04185632 (74 worldwide citation)

The cutting edge of a scalpel blade is resistively heated to a preselected constant temperature range by conduction of high frequency electrical currents within variable skin depths of a ferromagnetic conductor that is disposed on the blade in the region of the cutting edge.


10
Robert F Shaw: Surgical instrument having self-regulating radiant heating of its cutting edge and method of using the same. Lyon & Lyon, June 24, 1980: US04209017 (64 worldwide citation)

The cutting edge of a scalpel blade is heated to an elevated preselected constant operating temperature for cutting tissue with simultaneous hemostasis by radiant heating of the blade in the region along the cutting edge. Radiant energy is contained within the blade by a reflective coating over the ...