Patents by Inventor Marc M. Jalisi
Marc M. Jalisi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 6673025Abstract: A guidewire or section thereof, that has a core member or the like with a plurality of contiguous tapered segments having taper angles that are configured to produce a linear change in stiffness over a longitudinal portion of the device. The device may also have a core section with a continuously changing taper angle to produce a curvilinear profile that is configured to produce a linear change in stiffness of the core over a longitudinal portion of the device. An embodiment has a plurality of radiopaque elements that may be intermittent, continuous or in the form of a helical ribbon for scaled measurement of intracorporeal structure under flouroscopic imaging. Another embodiment has at least one layer of polymer over the distal end of the device.Type: GrantFiled: November 16, 1999Date of Patent: January 6, 2004Assignee: Advanced Cardiovascular Systems, Inc.Inventors: Mark T. Richardson, David M. Anderson, Emmanuel C. Biagtan, Lawrence E. Brennan, David H. Burkett, Wayne E. Cornish, Robert C. Esselstein, James Jacobs, Marc M. Jalisi, Daryush P. Mirzaee, Olin J. Palmer, John Schreiner, Kent C. Stalker
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Patent number: 6666829Abstract: The invention is directed to a guidewire having a distal section with multiple distally tapered core segments with at least two contiguous distally tapering core segments in which the most distal tapered core segment preferably has a greater degree of taper than the proximally contiguous tapered core segment. The invention is also directed to an elongated intracorporeal device, preferably a guidewire or section thereof, that has a core member or the like with a plurality of contiguous tapered segments having taper angles that are configured to produce a linear change in stiffness over a longitudinal section of the device. The device may also have a core section with a continuously changing taper angle to produce a curvilinear profile that preferably is configured to produce a linear change in stiffness of the core over a longitudinal section of the device.Type: GrantFiled: June 12, 2001Date of Patent: December 23, 2003Assignee: Advanced Cardiovascular Systems, Inc.Inventors: Wayne E. Cornish, John Schreiner, James Jacobs, Marc M. Jalisi, Mark Richardson, Kent C. Stalker, Olin J. Palmer
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Patent number: 6652472Abstract: A guidewire for intraluminal advancement of a medical device within a patient which has an elongate core member with a flexible body member disposed on a distal section thereof. In one embodiment, the distal section of the elongate core member has at least one flexible segment with at least one pair of opposed tapered or parallel faces. Preferably the flexible segment with the tapered or parallel faces is disposed at the distal end of the elongate core and forms a shapable segment.Type: GrantFiled: July 1, 2002Date of Patent: November 25, 2003Assignee: Advanced Cardiovascular Systems, Inc.Inventors: Mo Jafari, Sepehr Fariabi, Lawrence E. Brennan, Wayne E. Cornish, Marc M. Jalisi, David M. Anderson
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Patent number: 6623520Abstract: A composite stent having a substrate tube made of stainless steel, a nickel-cobalt-chromium-molybdenum alloy, or chonichrome with at least one metal cladding tube is disclosed. Specifically, the substrate tube is placed within a metal cladding tube made of platinum, gold, tantalum, tungsten, platinum-iridium, palladium, or nickel-titanium, preferably with an interference fit therebetween. The composite, laminate tube then undergoes a series of rolling or cold drawing processes interspersed with heat treating to release built up stresses. When the final diameter of the laminate tube is reached, the cladding has been laminated to the exterior of the substrate tube by a bond generated from the rolling and/or cold drawing operations. The finished laminate tube is then cut by laser cutting or chemical etching to form a suitable stent pattern.Type: GrantFiled: April 26, 2002Date of Patent: September 23, 2003Assignee: Advanced Cardiovascular Systems, Inc.Inventor: Marc M. Jalisi
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Patent number: 6620192Abstract: A composite stent having a substrate tube made of stainless steel, a nickel-cobalt-chromium-molybdenum alloy, or chonichrome with at least one metal cladding tube is disclosed. Specifically, the substrate tube is placed within a metal cladding tube made of platinum, gold, tantalum, tungsten, platinum-iridium, palladium, or nickel-titanium, preferably with an interference fit therebetween. The composite, laminate tube then undergoes a series of rolling or cold drawing processes interspersed with heat treating to release built up stresses. When the final diameter of the laminate tube is reached, the cladding has been laminated to the exterior of the substrate tube by a bond generated from the rolling and/or cold drawing operations. The finished laminate tube is then cut by laser cutting or chemical etching to form a suitable stent pattern.Type: GrantFiled: March 16, 1999Date of Patent: September 16, 2003Assignee: Advanced Cardiovascular Systems, Inc.Inventor: Marc M. Jalisi
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Publication number: 20030106218Abstract: The present invention is directed to a stainless steel stent which is substantially nickel-free and possesses improved elongation and mechanical properties, including resistance to corrosion. The stent can be embodied in a substrate with one or more metallic claddings overlaying the substrate. The substrate and claddings can include radiopaque materials and stainless steel.Type: ApplicationFiled: January 20, 2003Publication date: June 12, 2003Inventors: Marc M. Jalisi, David Anderson, Avijit Mukherjee
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Patent number: 6508832Abstract: The present invention is directed to a stainless steel stent which is substantially nickel-free and possesses improved elongation and mechanical properties, including resistance to corrosion. The stent can be embodied in a substrate with one or more metallic claddings overlaying the substrate. The substrate and claddings can include radiopaque materials and stainless steel.Type: GrantFiled: December 9, 1999Date of Patent: January 21, 2003Assignee: Advanced Cardiovascular Systems, Inc.Inventors: Marc M. Jalisi, David Anderson, Avijit Mukherjee
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Publication number: 20030013993Abstract: A guidewire for intraluminal advancement of a medical device within a patient which has an elongate core member with a flexible body member disposed on a distal section thereof. In one embodiment, the distal section of the elongate core member has at least one flexible segment with at least one pair of opposed tapered or parallel faces. Preferably the flexible segment with the tapered or parallel faces is disposed at the distal end of the elongate core and forms a shapable segment.Type: ApplicationFiled: July 1, 2002Publication date: January 16, 2003Inventors: Mo Jafari, Sepehr Fariabi, Lawrence E. Brennan, Wayne E. Cornish, Marc M. Jalisi, David M. Anderson
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Patent number: 6491648Abstract: A guidewire for guiding a medical device within a patient which has an elongate core member with a flexible body member disposed about and secured to a distal core section and a flexible core segment or flexible core segment which has a first pair of opposed faces which define a first transverse dimension that tapers from a first value to a second larger value and a second pair of opposed faces which define a second transverse dimension that tapers from a first value to a second smaller value.Type: GrantFiled: December 21, 2000Date of Patent: December 10, 2002Assignee: Advanced Cardiovascular Systems, Inc.Inventors: Wayne E. Cornish, Mark T. Richardson, Lawrence E. Brennan, Marc M. Jalisi, David M. Anderson, Mo Jafari, Sepehr Fariabi
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Publication number: 20020156397Abstract: The invention is directed to a guidewire having a distal section with multiple distally tapered core segments with at least two contiguous distally tapering core segments in which the most distal tapered core segment preferably has a greater degree of taper than the proximally contiguous tapered core segment. The invention is also directed to an elongated intracorporeal device, preferably a guidewire or section thereof, that has a core member or the like with a plurality of contiguous tapered segments having taper angles that are configured to produce a linear change in stiffness over a longitudinal section of the device. The device may also have a core section with a continuously changing taper angle to produce a curvilinear profile that preferably is configured to produce a linear change in stiffness of the core over a longitudinal section of the device.Type: ApplicationFiled: June 12, 2001Publication date: October 24, 2002Applicant: Advanced Cardiovascular Systems, Inc.Inventors: Wayne E. Cornish, John Schreiner, James Jacobs, Marc M. Jalisi, Mark Richardson
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Patent number: 6464650Abstract: A guidewire for intraluminal advancement of a medical device within a patient which has an elongate core member with a flexible body member disposed on a distal section thereof. In one embodiment, the distal section of the elongate core member has at least one flexible segment with at least one pair of opposed tapered or parallel faces. Preferably the flexible segment with the tapered or parallel faces is disposed at the distal end of the elongate core and forms a shapable segment.Type: GrantFiled: December 31, 1998Date of Patent: October 15, 2002Assignee: Advanced Cardiovascular Systems, Inc.Inventors: Mo Jafari, Sepehr Fariabi, Lawrence E. Brennan, Wayne E. Cornish, Marc M. Jalisi, David M. Anderson
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Publication number: 20020123795Abstract: A composite stent having a substrate tube made of stainless steel, a nickel-cobalt-chromium-molybdenum alloy, or chonichrome with at least one metal cladding tube is disclosed. Specifically, the substrate tube is placed within a metal cladding tube made of platinum, gold, tantalum, tungsten, platinum-iridium, palladium, or nickel-titanium, preferably with an interference fit therebetween. The composite, laminate tube then undergoes a series of rolling or cold drawing processes interspersed with heat treating to release built up stresses. When the final diameter of the laminate tube is reached, the cladding has been laminated to the exterior of the substrate tube by a bond generated from the rolling and/or cold drawing operations. The finished laminate tube is then cut by laser cutting or chemical etching to form a suitable stent pattern.Type: ApplicationFiled: April 26, 2002Publication date: September 5, 2002Inventor: Marc M. Jalisi
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Patent number: 6390993Abstract: The invention is directed to a guidewire having a distal section with multiple distally tapered core segments with at least two contiguous distally tapering core segments in which the most distal tapered core segment preferably has a greater degree of taper than the proximally contiguous tapered core segment. The invention is also directed to an elongated intracorporeal device, preferably a guidewire or section thereof, that has a core member or the like with a plurality of contiguous tapered segments having taper angles that are configured to produce a linear change in stiffness over a longitudinal section of the device. The device may also have a core section with a continuously changing taper angle to produce a curvilinear profile that preferably is configured to produce a linear change in stiffness of the core over a longitudinal section of the device.Type: GrantFiled: December 1, 1998Date of Patent: May 21, 2002Assignee: Advanced Cardiovascular Systems, Inc.Inventors: Wayne E. Cornish, John Schreiner, James Jacobs, Marc M. Jalisi, Mark Richardson
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Patent number: 6132389Abstract: The disclosure is directed to a guidewire having an elongate core member with at least one distally tapered portion at the distal section, with a flexible body member disposed around said distal section. The flexible body member is preferably comprised of a metallic helical coil that has proximally tapered portion at the proximal end, with a diameter similar to the outer diameter of the elongate core member at the point of attachment thereto. The distal end of the flexible body member is attached to the distal end of the elongate core member. The proximal taper of the flexible body member provides a smooth transition from the elongate core member to the flexible body member while minimizing the amount of bonding material needed and the resulting localized stiff portion at the point of connection between the proximal end of the flexible body member and the elongate body member.Type: GrantFiled: April 23, 1998Date of Patent: October 17, 2000Assignee: Advanced Cardiovascular Systems, Inc.Inventors: Wayne E. Cornish, Lawrence E. Brennan, David M. Anderson, Marc M. Jalisi