1
Jeffrey R Oberlin, Mark A Penrod: Articulated surgical instrument with improved articulation control mechanism. Richard Allen Medical, Howard & Howard, March 10, 1998: US05725536 (756 worldwide citation)

This invention provides an articulated surgical instrument for use in laparoscopic surgical procedures including, in general; a handle, an elongated shaft, and an articulating tip. The instrument further includes a proximal rod, a desensitizing link, and a distal rod. The proximal rod is disposed in ...


2
Scott Heneveld, Mark Zyzelewski, Warren D Lun, Mark A Penrod: Imagyn Medical Technologies California, Howard & Howard, June 27, 2000: US06080113 (108 worldwide citation)

A breast biopsy device is provided which includes a localization needle having a guide wire preloaded into the biopsy device. The device includes a stylet having a blade for transecting and separating healthy tissue on route to the biopsy site. The use of the stylet blade reduces the trauma to healt ...


3
Dustin Worm, Martin Flatland, Mark Tomandl, Mark A Penrod, Warren D Lun: Imagyn Medical Technologies, Howard & Howard, April 22, 2003: US06551253 (75 worldwide citation)

A biopsy device is provided which includes a localization needle having a guide wire preloaded into the biopsy device. The device includes a stylet having a blade for transecting and separating tissue. The device further includes a cannula for cutting a core of tissue and a garrote wire mechanism fo ...


4
Scott Heneveld, Mark Zyzelewski, Warren D Lun, Mark A Penrod: Imagyn Medical Technologies, Howard & Howard, July 31, 2001: US06267732 (46 worldwide citation)

A breast biopsy device is provided which includes a localization needle having a guide wire preloaded into the biopsy device. The device includes a stylet having a blade for transecting and separating healthy tissue on route to the biopsy site. The use of the stylet blade reduces the trauma to healt ...


5
Dustin Worm, Martin Flatland, Mark Tomandl, Mark A Penrod, Warren D Lun: Imagyn Medical Technologies California, Howard and Howard, May 7, 2002: US06383145 (41 worldwide citation)

A biopsy device is provided which includes a localization needle having a guide wire preloaded into the biopsy device. The device includes a stylet having a blade for transecting and separating tissue. The device further includes a cannula for cutting a core of tissue and a garrote wire mechanism fo ...


6
Dustin Worm, Martin Flatland, Mark Tomandl, Mark A Penrod, Warren D Lun: Randall L Shoemaker, Howard & Howard Attorneys PC, August 16, 2001: US20010014778-A1

A biopsy device is provided which includes a localization needle having a guide wire preloaded into the biopsy device. The device includes a stylet having a blade for transecting and separating tissue. The device further includes a cannula for cutting a core of tissue and a garrote wire mechanism fo ...