1
Theodore Karwoski, Yasuo Matsuzawa: Vascular prosthesis having fluorinated coating with varying F/C ratio. Atrium Medical Corporation, Lahive & Cockfield, January 12, 1988: US04718907 (358 worldwide citation)

Disclosed is a method of producing implantable prosthetic devices, e.g., tubular vascular prostheses having a substantially non-thrombogenic inside surface and a biocompatible outside surface. The method involves deposition onto an elongate substrate, e.g., a porous tubular substrate, of a fluorine- ...


2
Steve A Herweck, Theodore Karwoski, Paul Martakos: Manually separable multi-lumen vascular graft. Atrium Medical Corporation, Lahive & Cockfield, March 30, 1993: US05197976 (223 worldwide citation)

A vascular prosthesis has a plurality of tubular structures, each of which is manually separable from the others. Each tube structure has a biocompatible exterior surface and a lumen of predetermine diameter. Fluid, such as blood, is channelled through the lumina upon implantation in an arterial or ...


3
Steve A Herweck, Theodore Karwoski, Paul Martakos: Implantable prosthetic device for the delivery of a bioactive material. Atrium Medical Corporation, Lahive & Cockfield, May 2, 1995: US05411550 (155 worldwide citation)

An implantable prosthetic device for sustained release of a bioactive material into a fluid flow pathway of a patient comprises a body adapted for attachment to the fluid flow pathway. The body defines a primary lumen for accommodating fluid flow therethrough and at least one secondary lumen at leas ...


4
Steve A Herweck, Theodore Karwoski, Paul Martakos: Implantable prosthetic device having integral patency diagnostic indicia. Atrium Medical Corporation, Lahive & Cockfield, June 14, 1994: US05320100 (141 worldwide citation)

An implantable prosthetic device comprises a remotely detectible component disposed in the body forming the device for allowing the device to be detected by x-ray, ultrasonic, or MRI imaging. By disposing at least two remotely detectible components in the body of the device, the effective flow diame ...


5
Theodore Karwoski, Yasuo Matsuzawa: Glow discharge process for producing implantable devices. Atrium Medical Corporation, Lahive & Cockfield, December 30, 1986: US04632842 (123 worldwide citation)

Disclosed is a method of producing implantable prosthetic devices, e.g., tubular vascular prostheses having a substantially non-thrombogenic inside surface and a biocompatible outside surface. The method involves deposition onto an elongate substrate, e.g., a porous tubular substrate, of a fluorine- ...


6
Peter H Gingras, Theodore Karwoski, Susan Hamelin, Jonathan Goodwin: Self-expanding prothesis. Atrium Medical Corporation, Lahive & Cockfield, November 13, 2001: US06315791 (122 worldwide citation)

An expandable prosthesis includes a self-expanding stent deployable between a substantially radially compressed configuration and a substantially radially expanded configuration. A biocompatible coating is attached to at least a portion of the outer surface of the self-expanding stent in the radiall ...


7
Steve A Herweck, Peter Gingras, Paul Martakos, Theodore Karwoski: Expandable shielded vessel support. Atrium Medical Corporation, Lahive & Cockfield, January 4, 2000: US06010529 (101 worldwide citation)

A radially expandable support body is enveloped within a cocoon. In a preferred construction, the support is a stent, and a tube of polymeric material, e.g. polytetrafluoroethylene (PTFE), passes through the interior of the stent body and is turned back upon itself over the stent to form a cuff. The ...


8
Steve A Herweck, Peter H Gingras, Paul Martakos, Theodore Karwoski: Expandable fluoropolymer device for delivery of therapeutic agents and method of making. Atrium Medical Corporation, Lahive & Cockfield, October 18, 2005: US06955661 (96 worldwide citation)

A radially expandable fluid delivery device for delivering a fluid to a treatment site within the body is disclosed. The fluid delivery device is constructed of a microporous, biocompatible fluoropolymer material having a microstructure that can provide a controlled, uniform, low-velocity fluid dist ...


9
Ryan A Amara, Peter H Gingras, Theodore Karwoski, Steve A Herweck: Pile mesh prosthesis. Atrium Medical Corporation, Lahive & Cockfield, August 31, 2004: US06783554 (94 worldwide citation)

A method and apparatus relating to a biocompatible soft tissue implant is disclosed. The implant, in the form of a prosthesis, is constructed of a knitted pile mesh material arranged into either a 3-dimensional structure or a planar shape or structure. The material or fabric includes a plurality of ...


10
Steve A Herweck, Theodore Karwoski, Paul Martakos: Self-sealing implantable vascular graft. Atrium Medical Corporation, Lahive & Cockfield, March 9, 1993: US05192310 (88 worldwide citation)

An implantable self-sealing vascular graft device comprises an implantable tubular body defining a primary lumen and at least one secondary lumen, the lumina sharing a common side wall. The primary lumen is adapted for attachment to the vascular system of the patient to accommodate blood flow theret ...