1
William A Mittelstadt, Arthur V Lang: Ligating clip advance. United States Surgical Corporation, May 6, 1997: US05626585 (149 worldwide citation)

A clip advance for sequentially advancing a stack of surgical clips in a surgical clip applier. The clip advance includes a longitudinally extending housing having a first channel for receiving the clips. A pusher is mounted in the housing for reciprocating longitudinal movement. The pusher has a pl ...


2
Gary A Baribeau, James A Burns, William A Mittelstadt, William J Swanson: Attachment system for replacement helmet respirator lens. 3M Innovative Properties Company, James A Rogers, August 15, 2000: US06102033 (52 worldwide citation)

A replaceable lens attachment system for respiratory devices and methods of use. The replaceable lens attachment system includes a face shield having rotatable attachment members and a replaceable lens. The rotatable attachment members include cams and flanges. The attachment system may further comp ...


3
Thomas F Banks, William A Mittelstadt: Locking pneumoneedle. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Jeffrey J Hohenshell, December 20, 1994: US05374252 (43 worldwide citation)

A safety pneumoneedle through which the abdomen can be inflated with fluid such as insufflating gas is described. The pneumoneedle comprises a housing having front and rear ends, exterior surfaces adapted to be manually grasped, inner surfaces defining an elongate cavity having a fluid passageway po ...


4
Gerald M Brostrom, David M Castiglione, William A Mittelstadt, Alan J Solyntjes: Half-mask respirator with head harness assembly. 3M Innovative Properties Company, Karl G Hanson, Kevin W Raasch, May 11, 2004: US06732733 (42 worldwide citation)

A half-mask respirator is retained on a wearer's head by upper and lower straps and a strap support. The upper and lower straps connect to the strap support at upper and lower strap attachment points on each side of the strap support. The distances between the attachment points on each opposing ...


5
William A Mittelstadt, David M Castiglione: Unidirectional respirator valve. 3M Innovative Properties Company, Michaele A Hakamaki, Karl G Hanson, Kevin W Raasch, April 26, 2005: US06883518 (42 worldwide citation)

A unidirectional valve, wherein the valve comprises a valve body including a frame, a valve opening through the frame, and a valve seat extending from the frame and at least partially surrounding the valve opening. The valve further includes a valve flap having a first portion attached to the frame ...


6
James A Burns, Frank J Fabin, Floyd L Foslien, William A Mittelstadt: Protective helmet system with cam for attaching first and second face shields thereto. Minnesota Mining and Manufacturing Company, James A Rogers, March 14, 2000: US06035451 (42 worldwide citation)

A jaw piece is attachable to a base edge of the helmet. The jaw piece and a portion of the base edge of the helmet define a user viewing window. A first face shield is pivotable between an open position and a closed position extending across the viewing window. A seal is provided to engage with a pe ...


7
James A Burns, Frank J Fabin, Floyd L Foslien, William A Mittelstadt: Protective helmet system. 3M Innovative Properties Company, Michaele A Hakamaki, October 9, 2001: US06298498 (38 worldwide citation)

A jaw piece is attachable to a base edge of the helmet. The jaw piece and a portion of the base edge of the helmet define a user viewing window. A first face shield is pivotable between an open position and a closed position extending across the viewing window. A seal is provided to engage with a pe ...


8
William A Mittelstadt, Arthur V Lang: Surgical apparatus having a universal handle for actuating various attachments. United States Surgical Corporation, October 8, 1996: US05562655 (36 worldwide citation)

The present invention is embodied in a surgical apparatus that can be used in laparoscopic surgical procedures. In particular, the apparatus includes a universal actuating handle for use with different end effectors and that can convert a single handle motion into two separate and independent actuat ...


9
John M Agee, Francis King, Kimberly A Romanko, Lawrence A Flor, Thomas A Turgeon, William A Mittelstadt: Surgical instrument. John Agee, Minnesota Mining & Mfg Co, Dean P Edmundson, April 26, 1994: US05306284 (35 worldwide citation)

Surgical instruments are disclosed for manipulating selected tissue in a body cavity under visual inspection. The preferred instrument includes a probe in which a blade is positioned, wherein the probe includes a lateral aperture near its distal end. The blade can be extended outwardly from the prob ...


10
Peter B Allen, David Cook, William A Mittelstadt: Eye shield for a respiratory mask. Minnesota Mining and Manufacturing Company, James A Rogers, February 24, 1998: US05720281 (25 worldwide citation)

A respiratory mask is provided with an eye shield having a body portion which is releasably-secured to the mask, and a shield portion which shields the eyes of the wearer. The shield portion is self-supporting on the body portion and, hence, on the mask, and includes a sheet of transparent, eye-shie ...