1
William E McPherson: Vascular access system and clearing method. William A Birdwell & Associates, January 25, 1994: US05281205 (89 worldwide citation)

A vascular access system and clearing method. A vascular access system is provided comprising an implantable access port for receiving medication transdermally, a catheter connected to an outlet in said port for infusing that medication into the blood stream, a wire for clearing the catheter of an o ...


2
William E McPherson, William B Saye, Eddie J Reddick: Method of using a coil screw surgical retractor. November 12, 1996: US05573496 (87 worldwide citation)

A surgical retractor and method for use thereof. The retractor is comprised of an elongate shaft having at one end a screw made of coiled, round wire which terminates at a sharp point for attachment to an organ and a connector at the other end of the shaft. Preferably, the connector comprises an enl ...


3
William E McPherson, John S TenBarge: Biopsy specimen cutter. Interventional Concepts, C Douglas McDonald Jr & Associates P A, November 18, 1997: US05687739 (80 worldwide citation)

An improved biopsy specimen cutter utilizes a wire loop, attached to a hand-manipulable trigger mechanism, for severing the tissue sample from the host. A removable dilator is insertable into the biopsy specimen cutter for the purpose of positioning the cutter adjacent the tissue to be removed, and ...


4
William E McPherson, J Stephen TenBarge: Guide assembly for a biopsy device. William E McPherson, Amin Eschweiler & Turocy L, April 11, 2000: US06048321 (32 worldwide citation)

A guide assembly for performing a biopsy with a biopsy device having an elongated and substantially hollow cylindrical barrel is described. The guide assembly includes a bracket which is selectively movable relative to a base. The bracket has a longitudinal opening formed through a housing portion o ...


5
William E McPherson: Pacemaker assembly having ventricular inhibited and ventricular triggered pacemaker units. Finnegan Henderson Farabow Garrett & Dunner, June 22, 1982: US04335727 (11 worldwide citation)

A pacemaker assembly having a ventricular inhibited pacemaker unit set to produce a signal for application to a patient's heart at a first rate of time and a ventricular triggered pacemaker unit set to produce a signal for application to a patient's heart at a second rate of time lower than said fir ...


6
William E McPherson, David W Rowe: Windmill construction. William E McPherson, Gary W Harrell, Clarence A O Brien, Harvey B Jacobson, August 19, 1980: US04218184 (8 worldwide citation)

A base is provided and a rotor is journaled from the base for rotation about a first upstanding axis. The rotor includes a plurality of vanes journaled therefrom for rotation about second axis spaced about and radially outwardly from the first axis and vane displacement control structure is operativ ...


7
William E McPherson, Walter Smithwick: Vascular shunt with audio flow indication. Tarolli Sundheim Covell & Tummino, August 8, 2006: US07087034 (6 worldwide citation)

A vascular shunt apparatus (10) includes a tubular member having first and second end portions (16, 20) and an aperture extending through the first and second end portions (16, 20). A transducer (64) can be associated with the tubular member to provide a signal in response to the flow of fluid throu ...


8
William E McPherson, Walter Smithwick: Vascular shunt with audio flow indication. Tarolli Sundheim Covell & Tummino, March 25, 2004: US20040059278-A1

A vascular shunt apparatus (10) includes a tubular member having first and second end portions (16, 20) and an aperture extending through the first and second end portions (16, 20). A transducer (64) can be associated with the tubular member to provide a signal in response to the flow of fluid throu ...