1
Mantell Robert R: In-dwelling port for access into a body. Northgate Technologies, February 7, 2008: WO/2008/015566 (87 worldwide citation)

An in-dwelling port for providing repeated entry to a body during and/or after an operation is described. The port may include an external portion secured to a body outside an incision and a collapsible insertion portion that is inserted through the incision. The collapsible portion collapses when n ...


2
Donald P DeVale: Irrigation system for a surgical site. Northgate Technologies, Willian Brinks Hofer Gilson & Lione, November 7, 1995: US05464391 (68 worldwide citation)

An irrigation system and method for providing fluid from a source of irrigating fluid to a surgical site, in particular a surgical site access to which is provided by a small incision or a natural orifice of the body. The irrigation system includes a control unit that is used with a cassette. The co ...


3
Charles Zander: Laparoscopic insufflator. Northgate Technologies, Brinks Hofer Gilson & Lione, October 9, 2001: US06299592 (66 worldwide citation)

A system, apparatus, and method for supplying continuous and intermittent insufflating gas flow are disclosed. The system, apparatus, and method is capable of providing a continuous flow (100% duty cycle) of insufflation gas, while assuring the continuity of the delivery lines, and the pressure sens ...


4
Robert Mantell: Perforated resectoscope electrode assembly. Northgate Technologies, Brinks Hofer Gilson & Lione, June 16, 1998: US05766168 (62 worldwide citation)

An improved electrode assembly for a resectoscope includes at least one electrical lead that connects at a proximal end via a handle of the resectoscope to an electrosurgical generator to receive electrical power. The electrode assembly further includes an electrode tip at a distal end. The electrod ...


5
Peter Manzie, Albert Nowosielski: Tubing system with pump for delivering continuous fluid flow or fluid bolus to a surgical site. Northgate Technologies, Willian Brinks Hofer Gilson & Lione, April 9, 1996: US05505707 (41 worldwide citation)

A tubing set for connecting a source of irrigating fluid to an intraoperative surgical instrument having a fluid delivery passage therein. The tubing set includes a first section having an inlet for connection to the source of irrigating fluid, a second section having an outlet for connection to the ...


6
Albert Nowosielski, Robert Mantell, Peter Manzie, Charles Zander: Tubing system for delivering fluid to a surgical site. Northgate Technologies Incorporated, Brinks Hofer Gilson & Lione, February 25, 1997: US05605545 (32 worldwide citation)

A tubing set and method for use with a system for providing pressurized fluid from a fluid source to a surgical site. The system includes a fluid source, a length of flexible tubing having one end connected to the fluid source and another end connected to a surgical instrument, and a peristaltic typ ...


7
Kenneth L Sypal, Robert M Schildgen, Robert R Mantell: Invasive lithotripter with focused shockwave. Northgate Technologies, Robert M Wolters, October 6, 1992: US05152767 (29 worldwide citation)

An invasive lithotripter includes a pair of electrodes having rectangular cross sections, and having flat faces of rectangular configuration confronting one another. An insulating member is interposed between the electrodes and spaces them apart a predetermined distance. The insulating member at its ...


8
Albert Nowosielski: Apparatus and method for delivering fluid flow to a surgical site. Northgate Technologies, Brinks Hofer Gilson & Lione, October 16, 2001: US06302864 (25 worldwide citation)

An irrigation apparatus and a method of use for delivering fluid flow to a surgical site. The irrigation apparatus includes a refillable fluid reservoir with an inlet for receiving fluid via first tubing from a fluid source, and an outlet for second tubing leading to a surgical site. A sensor monito ...


9
Philip Swiantek, James Muehleisen, Peter A Manzie, Robert Baker: Resectoscope electrode assembly and methods of use. Northgate Technologies Incorporated, BrinksHofer Gilson & Lione, July 21, 1998: US05782829 (21 worldwide citation)

An improved electrode assembly for a resectoscope and methods for use thereof. The electrode assembly includes at least one electrical lead that connects at a proximal end via a handle of the resectoscope to an electrosurgical generator to receive electrical power. The electrode assembly further inc ...


10
Robert R Mantell, Peter A Manzie: Laparoscopic insertion device. Northgate Technologies, Brinks Hofer Gilson & Lione, June 14, 2005: US06905489 (16 worldwide citation)

A method of treatment of a body cavity of an animal that includes inserting a portion of an insertion device into a body cavity of an animal and simultaneously supplying from the inserted insertion device a first fluid and either a medical instrument or a second fluid into the body cavity, wherein t ...