1
Fred H Burbank, Thomas J Fogarty, Wayne E Manska, Mark A Ritchart, Timothy J Ryan, Elias A Zerhouni: Method and apparatus for automated biopsy and collection of soft tissue. Biopsys Medical, Dennis H Epperson, June 18, 1996: US05526822 (622 worldwide citation)

A method and device for the automated biopsy and collection of soft tissue having a piercing needle with a receiving port to trap tissue prior to cutting. A motor drive directs and positions the tissue receiving port at a lesion site in arbitrary positions about and along the longitudinal axis of th ...


2
Mark A Ritchart, Fred H Burbank: Control system and method for automated biopsy device. Biopsys Medical, Donald E Stout, June 23, 1998: US05769086 (505 worldwide citation)

An automatic control system for a vacuum-assisted automatic core biopsy device (10) is provided, wherein the automatic core biopsy device (10) comprises a housing (12), out of which extends a needle assembly (14) including a hollow outer piercing needle (16), an inner cutter (18) having a lumen (20) ...


3
Mark A Ritchart, J Michael Stuart, Fred H Burbank, Kenneth M Galt: Methods and devices for automated biopsy and collection of soft tissue. Biopsys Medical, Donald E Stout, July 22, 1997: US05649547 (423 worldwide citation)

Instruments for performing percutaneous biopsy procedures are disclosed, which have advantageous features for improving functionality and performance over prior art devices. These instruments comprise two types, single-use devices, and multiple-use devices having active tissue capture capability. Im ...


4
Fred H Burbank, Thomas J Fogarty, Wayne E Manska, Mark A Ritchart, Timothy J Ryan, Elias A Zerhouni: Apparatus for automated biopsy and collection of soft tissue. Ethicon Endo Surgery, Donald E Stout, July 7, 1998: US05775333 (367 worldwide citation)

A method and device for the automated biopsy and collection of soft tissue having a piercing needle with a receiving port to trap tissue prior to cutting. A motor drive directs and positions the tissue receiving port at a lesion site in arbitrary positions about and along the longitudinal axis of th ...


5
Charles C Hart, Mark A Ritchart, Donald L Gadberry: Trocar with floating septum seal. Applied Medical Resources Corporation, Richard L Myers, January 31, 1995: US05385553 (302 worldwide citation)

A trocar having a cannula and housing which define an access channel, is configured to receive a surgical instrument. A flexible valve disposed in the channel includes first portions which define an orifice through the valve and second portions which are disposed outwardly of the first portions. The ...


6
Fred H Burbank, Thomas J Fogarty, Wayne E Manska, Mark A Ritchart, Timothy J Ryan, Elias A Zerhouni: Apparatus for automated biopsy and collection of soft tissue. Ethicon Endo Surgery, July 27, 1999: US05928164 (301 worldwide citation)

A method and device for the automated biopsy and collection of soft tissue having a piercing needle with a receiving port to trap tissue prior to cutting. A motor drive directs and positions the tissue receiving port at a lesion site in arbitrary positions about and along the longitudinal axis of th ...


7
Seth A Foerster, Mark Cole, Eugene B Reu, Mark A Ritchart, John L Wardle: Apparatus and method for marking tissue. Ethicon Endo Surgery, Matthew S Goodwin, May 11, 1999: US05902310 (287 worldwide citation)

An implantable marking device is provided which is designed to percutaneously deliver permanent markers to desired tissue locations within a patient's body, even if the desired locations are laterally disposed relative to the distal end of the delivery device, as is the case for conduit or cavity wa ...


8
Seth A Foerster, Fred H Burbank, Mark A Ritchart, Elias A Zerhouni: Devices for marking and defining particular locations in body tissue. Ethicon Endo Surgery, May 8, 2001: US06228055 (283 worldwide citation)

Implantable devices are disclosed for marking the location of a biopsy or surgery for the purpose of identification. The devices are remotely delivered, preferably percutaneously. Visualization of the markers is readily accomplished using various state of the art imaging systems. Using the inventive ...


9
Mark A Ritchart, Robert P Cooper, Charles C Hart, Donald L Gadberry: Lever actuated septum seal. Applied Medical Resources, Richard L Myers, May 11, 1993: US05209737 (271 worldwide citation)

A septum valve in a trocar assembly has a variable orifice that is responsive to a cross-sectional dimension of the surgical instrument being inserted into the trocar channel, thereby minimizing leakage of inflation gas from the body cavity, such as the abdomen, being operated on. An elastomeric sep ...


10
Fred H Burbank, Thomas J Fogarty, Wayne E Manska, Mark A Ritchart, Timothy J Ryan, Elias A Zerhouni: Method and apparatus for automated biopsy and collection of soft tissue. Ethicon Endo Surgery, Donald E Stout, Stout Uxa Buyan & Mullins, November 9, 1999: US05980469 (269 worldwide citation)

A method and device for the automated biopsy and collection of soft tissue having a piercing needle with a receiving port to trap tissue prior to cutting. A motor drive directs and positions the tissue receiving port at a lesion site in arbitrary positions about and along the longitudinal axis of th ...