Mark Polyak: Apparatus for removal of objects from body passages. American Medical Systems, Peter C Richardson, Lawrence C Akers, Mark Dryer, September 12, 1989: US04865030 (227 worldwide citation)

An apparatus for insertion into the urethra for attachment to and removal of an in-dwelling urinary continence device comprises generally a tubular body having a longitudinal bore with a slidable shaft therein. Slidable jaws are connected to a first end of the shaft and are normally retained in a cl ...

Stephen L Bolea, Robert L Rykhus Jr, Sidney F Hauschild, Johann J Neisz, Mark Polyak, Bradford G Staehle: Retrievable stent and method of use thereof. AMS Research Corporation, Kagan Binder PLLC, November 23, 2004: US06821291 (185 worldwide citation)

A removable stent system and method for extraction of a removable stent from a target site is disclosed. The removable stent includes a removable stent having a collapsible end and a collapsing element configured for coupling with a removal tool. The collapsing element can be configured as a lasso o ...

Mark Polyak: Implantable sphincter system utilizing lifting means. American Medical Systems, Peter C Richardson, Lawrence C Akers, Michael J Pantuliano, May 21, 1996: US05518504 (127 worldwide citation)

An implantable artificial sphincter system for reversibly occluding a body passageway, preferably the urethra, enables the body passageway to be opened and closed in sequence due to the action of a lifting and lowering device which is adapted to be in integral contact with or disposed about the body ...

Sidney F Hauschild, Stephen L Bolea, Johann J Neisz, Jeffrey A Lechner Riehle, Robert C Grant, Mark Polyak: Foreign body retrieval device and method. AMS Research Corporation, October 12, 2004: US06802846 (85 worldwide citation)

A foreign body retrieval device is disclosed. The device moves between an open position for receiving the foreign body and a closed position for capturing the foreign body. A novel method for retrieving a foreign body such as a stent is also disclosed.

Patricia M Derus, Sidney F Hauschild, Mark Polyak, George Michael Huepenbecker: Switch based spontaneous inflation inhibitor in a pump for an inflation prosthesis. American Medical Systems, Jeffrey J Hohenshell, September 3, 2002: US06443887 (63 worldwide citation)

A pump assembly for a penile implant is provided having a mechanism that prevents spontaneous inflation of the cylinders implanted within the patient. The preventative mechanism includes a switching mechanism for moving a valve into either a closed or an open position. When closed, the locking valve ...

Mark Polyak: Artificial sphincter device. American Medical Systems, Peter C Richardson, Lawrence C Akers, Michael J Pantuliano, November 7, 1989: US04878889 (56 worldwide citation)

Disclosed is an apparatus for controlling the discharge of materials through a body passage. The invention comprises a fluid actuated artificial sphincter mechanism that surrounds the body passage. The artificial sphincter includes an inflatable cuff surrounded by a hollow resilient C-shaped reservo ...

Mark Polyak: Tubing connector system. American Medical Systems, Arnold White & Durkee, December 30, 1986: US04632435 (56 worldwide citation)

A tubing connector system particularly suitable for use with medical prostheses is disclosed. The system involves of a connector assembly and a connector assembly tool. The connector assembly is composed of a clamping ring and connector body which can be coupled together to connect two lengths of tu ...

Mark Polyak, Robert W Pugh Jr: American Medical Systems, Peter C Richardson, Lawrence C Akers, Michael J Pantuliano, November 23, 1993: US05263981 (54 worldwide citation)

A penile prosthesis for alleviating erectile impotency includes a generally tubular enclosure which is implantable within the corpus cavernosum. The tubular enclosure includes a generally non-distensible pressurizable chamber which when filled with fluid substantially to capacity will transform the ...

Mark Polyak, Robert W Pugh Jr: American Medical Systems, Peter C Richardson, Lawrence C Akers, Michael J Pantuliano, April 30, 1991: US05010882 (40 worldwide citation)

A penile prosthesis implantable within the corpus cavernosum of the penis in order to alleviate erectile impotency includes a unique deflation valve mechanism for returning the prosthesis from the erect to the flaccid state. In its preferred embodiment the prosthesis is of a unitary type comprising ...

W Scott Andrus, Mark Polyak, Sidney F Hauschild: Apparatus and method for interstitial laser treatment. American Medical Systems, Perer C Richardson, Lawrence C Akers, Mark Dryer, September 30, 1997: US05672171 (39 worldwide citation)

An apparatus for delivering laser energy to a target through a radiation-transmitting waveguide having a distal end terminating in a tip which is in contact with the target during delivery, while protecting the tip from heat damage, which apparatus comprises a waveguide for transmitting laser radiat ...