1
Henry Nita, Lex P Jansen, Peter Kyone Park, Gene Samson, Erik T Engelson, Jeffrey A Sarge: Optimized high performance multiple coil spiral-wound vascular catheter. Target Therpeutics, Morrison & Foerster, September 14, 1999: US05951539 (216 worldwide citation)

This invention is a surgical device. In particular, it is a catheter suitable for accessing a tissue target within the body, typically a target which is accessible through the vascular system. Central to the invention is the use of at least pair of wound or counterwound reinforcing members situated ...


2
Thomas Yung Hui Chien, Lex P Jansen, Henry Nita, Jeffrey A Sarge: Soft-tip high performance braided catheter. Target Therapeutics, Morrison & Foerster, April 6, 1999: US05891114 (193 worldwide citation)

This is a catheter assembly which may be used in accessing a tissue target within the body, typically a target which is accessible through the vascular system. Central to the invention is the use of a braided metallic reinforcing member, typically of a stainless steel or super-elastic alloy ribbon, ...


3
John R Fagan, Lex P Jansen, L Ven Raman, John A Wright Jr: High performance wires for use in medical devices and alloys therefor. C R Bard, Arthur Z Bookstein, February 24, 1998: US05720300 (189 worldwide citation)

An elongate flexible wire-like medical device, such as a guidewire for use with a catheter, is formed with a shaft in which the difference between the magnitude of the tensile yield stress and compressive yield stress of the shaft is substantially reduced. The guidewire exhibits superior kink resist ...


4
Thomas Yung Hui Chien, Lex P Jansen, Henry Nita, Jeffrey A Sarge: Soft-tip performance braided catheter. Target Therapeutics, Morrison & Foerster, December 26, 2000: US06165163 (173 worldwide citation)

This is a catheter assembly which may be used in accessing a tissue target within the body, typically a target which is accessible through the vascular system. Central to the invention is the use of a braided metallic reinforcing member, typically of a stainless steel or super-elastic alloy ribbon, ...


5
Lex P Jansen, Peter Kyone Park, Gene Samson, Henry Nita, Erik T Engelson: Optimized high performance spiral-wound vascular catheter. Target Therapeutics, Morrison & Foerster, November 28, 2000: US06152912 (145 worldwide citation)

This is a catheter suitable for accessing a tissue target within the body, typically a target which is accessible through the vascular system. Central to the concept of the catheter is the use of a reinforcing member wound within the catheter body in such a way to create a catheter having an excepti ...


6
Lex P Jansen, Thomas Yung Hui Chien, Perry Alvin Fukui, Jeffrey A Sarge, Lawrence Charles Alpert: Catheter with composite stiffener. Target Therapeutics, Lyon & Lyon, April 9, 2002: US06368316 (118 worldwide citation)

A catheter comprising an elongate tubular member having a proximal end, a distal end, and a passageway defining a lumen extending between the proximal and distal ends. The elongate tubular member comprises a relatively stiff proximal section and a relatively flexible distal section. The proximal sec ...


7
Lex P Jansen, Henry Nita, John E Ortiz: Stent devices with detachable distal or proximal wires. SciMed Life Systems, Robins & Pasternak, June 17, 2003: US06579308 (115 worldwide citation)

Stent and stent delivery system suited for the noninvasive treatment of aneurysms, diseased blood vessels, and other bodily lumen are described. Detachable proximal and/or distal wires connected to the proximal and distal ends, respectively, of the stent allow the operator to manipulate the position ...


8
Lex P Jansen: Anatomically matched steerable PTCA guidewire. C R Bard, Wolf Greenfield & Sacks, November 22, 1994: US05365943 (110 worldwide citation)

A small diameter steerable guidewire adapted for use in percutaneous transluminal coronary angioplasty has three segments, each adapted to reside in a separate region of the arterial and coronary anatomy during angioplasty. The proximal segment is adapted to reside proximally of the aortic arch and ...


9
Stanley W Olson Jr, Lex P Jansen, Michael Burns: Retrograde plunger delivery system. SciMed Life Systems, Bingham McCutchen, May 4, 2004: US06730095 (90 worldwide citation)

Cannulas are provided for delivering therapeutic material to a treatment site. The cannula includes a cannula body with a plurality of openings at the distal end, including a longitudinal opening and a plurality of transverse openings that are axially spaced from each other. The cannula also include ...


10
Lex P Jansen, Henry Nita, John E Ortiz: Stent devices with detachable distal or proximal wires. Boston Scientific SciMed, Vidas Arrett & Steinkraus P A, June 20, 2006: US07063719 (81 worldwide citation)

Stent and stent delivery system suited for the noninvasive treatment of aneurysms, diseased blood vessels, and other bodily lumen are described. Detachable proximal and/or distal wires connected to the proximal and distal ends, respectively, of the stent allow the operator to manipulate the position ...