1
Gregory Piskun: Laparoscopic instruments and trocar systems for trans-umbilical laproscopic surgery. R Neil Sudol, Henry Coleman, William Sapone, September 24, 2002: US06454783 (258 worldwide citation)

Laparoscopic instruments and trocars are provided for performing laparoscopic procedures entirely through the umbilicus. A generally C-shaped trocar provides increased work space between the hands of the surgeon as well as S-shaped laparoscopic instruments placed through the trocar when laparoscopic ...


2
Gregory Piskun: Hemorrhoids treatment method and associated instrument assembly including anoscope and cofunctioning tissue occlusion device. R Neil Sudol, Henry D Coleman, William J Sapone, October 10, 2006: US07118528 (188 worldwide citation)

A surgical instrument assembly for the treatment of hemorrhoids includes an anoscope and a hemorrhoid occlusion device. The anoscope includes a hollow body closed at a distal end and at least partially open at a proximal end to define a longitudinal channel. The hollow body has a sidewall provided w ...


3
Gregory Piskun: Laparoscopic instruments and trocar systems and related surgical method. Phavel Systems, R Neil Sudol, Henry D Coleman, William J Sapone, March 18, 2008: US07344547 (161 worldwide citation)

Laparoscopic instruments and trocars are provided for performing laparoscopic procedures entirely through the umbilicus. A generally C-shaped trocar provides increased work space between the hands of the surgeon as well as S-shaped laparoscopic instruments placed through the trocar when laparoscopic ...


4
Gregory Piskun, Anatoly Konik, Dan Rottenberg: Laparoscopic instrument and cannula assembly and related surgical method. Tyco Healthcare Group, July 13, 2010: US07753901 (91 worldwide citation)

A laparoscopic port assembly includes a cannula unit including three cannulas each extending at an acute angle relative to a base. The cannulas are flexible for receiving respective angulated laparoscopic instruments. The cannula unit is rotatingly received in a port holder for rotation about a long ...


5
Gregory Piskun: Laparoscopic instrument and trocar system and related surgical method. Tyco Healthcare Group, December 14, 2010: US07850600 (57 worldwide citation)

Laparoscopic instruments and cannulas are provided for performing laparoscopic procedures entirely through the umbilicus. Generally S-shaped laparoscopic instruments placed through the C-shaped trocar sleeves or through the cannula and instrument holder unit provide markedly improved degrees of inst ...


6
Gregory Piskun: Laparoscopic instrument and trocar systems for trans-umbilical laparoscopic surgery. Tyco Healthcare Group, September 4, 2012: US08257254 (13 worldwide citation)

Laparoscopic instruments and trocars are provided for performing laparoscopic procedures entirely through the umbilicus. A generally C-shaped trocar provides increased work space between the hands of the surgeon as well as S-shaped laparoscopic instruments placed through the trocar when laparoscopic ...


7
Gregory Piskun: Laparoscopic instrument and trocar systems for transumbilical laparoscopic surgery. Covidien, March 12, 2013: US08394018 (12 worldwide citation)

Laparoscopic instruments and trocars are provided for performing laparoscopic procedures entirely through the umbilicus. A generally C-shaped trocar provides increased work space between the hands of the surgeon as well as S-shaped laparoscopic instruments placed through the trocar when laparoscopic ...


8
Gregory Piskun: Anoscope for treating hemorrhoids without the trauma of cutting or the use of an endoscope. Macroplata Systems, Syndicated Law, Brian S Boyer, January 24, 2012: US08100822 (8 worldwide citation)

A surgical instrument includes a hollow member having a sidewall provided with a window and a closure member movably connected to the hollow member for alternately covering and uncovering the window. The hollow member has a first clamping surface along an edge of the window, while the closure member ...


9
Gregory Piskun: Laparoscopic instruments and trocar systems and related surgical method. Tyco Healthcare Group, February 14, 2012: US08114111 (5 worldwide citation)

Laparoscopic instruments and trocars are provided for performing laparoscopic procedures entirely through the umbilicus. A generally C-shaped trocar provides increased work space between the hands of the surgeon as well as S-shaped laparoscopic instruments placed through the trocar when laparoscopic ...


10
Gregory Piskun, Anatoly Konik, Dan Rottenberg: Laparoscopic instrument and cannula assembly and related surgical method. Covidien, June 11, 2013: US08460271 (3 worldwide citation)

A laparoscopic port assembly includes a cannula unit including three cannulas each extending at an acute angle relative to a base. The cannulas are flexible for receiving respective angulated laparoscopic instruments. The cannula unit is rotatingly received in a port holder for rotation about a long ...