Patents Assigned to SciMed Life System, Inc.
  • Publication number: 20100191318
    Abstract: Medical devices, such as stents, stent-grafts, grafts, guidewires, and filters, having enhanced radiopacity are disclosed.
    Type: Application
    Filed: April 1, 2010
    Publication date: July 29, 2010
    Applicant: Scimed Life Systems, Inc.
    Inventors: Jonathan S. Stinson, Robert A. VanderLaan
  • Publication number: 20100158340
    Abstract: The systems and methods described herein provide for fast and accurate image segmentation through the application of a multi-stage classifier to an image data set. An image processing system is provided having a processor configured to apply a multi-stage classifier to the image data set to identify a distinctive region. The, multi-stage classifier can include two or more component classifiers. The first component classifier can have a sensitivity level configured to identify one or more target regions in the image data set and the second component classifier can have a specificity level configured to confirm the presence of the distinctive region in any identified target regions. Also provided is a classification array having multiple multi-stage classifiers for identification and confirmation of more than one distinctive region or for the application of different classification configurations to the image data set to identify a specific distinctive region.
    Type: Application
    Filed: March 3, 2010
    Publication date: June 24, 2010
    Applicant: Scimed Life Systems, Inc.
    Inventor: Shashidhar Sathyanarayana
  • Patent number: 7722663
    Abstract: An anatomically correct endoluminal prosthesis is provided for placement in a lumen or vessel of a body. In a preferred embodiment, the prosthesis is a stent having at least one segment of curvature located along the body of the stent. The stent may have segments of curvature, apertures, tapers, flares, beveling, non-circular cross-sections, coverings or branching. Preferably, the stent has orientation markers and lines to allow for in vivo identification and orientation by conventional imaging formats. The stent may have multiple segments of curvature in succession or overlapping and may have segments of curvature lying in different planes of curvature. A method of forming the prosthesis is provided.
    Type: Grant
    Filed: April 24, 2000
    Date of Patent: May 25, 2010
    Assignee: Scimed Life Systems, Inc.
    Inventor: Michael Stephen Austin
  • Patent number: 7691087
    Abstract: An injection device for use with tissue of a mammalian body comprising a first tubular member and a second tubular member slidably disposed in the first tubular member. The first and second tubular members have respective proximal and distal extremities. The distal extremity of the second tubular member is provided with a needle that is extendable from the distal extremity of the first tubular member. The proximal extremity of the second tubular member is lockable relative to the proximal extremity of the first tubular member. The second tubular member has a column strength when locked within the first tubular member for limiting retraction of the second tubular member relative to the first tubular member during puncture of the tissue by the needle.
    Type: Grant
    Filed: November 25, 2003
    Date of Patent: April 6, 2010
    Assignee: Scimed Life Systems, Inc.
    Inventors: Edward J. Gough, Alan Stein
  • Publication number: 20100082093
    Abstract: Expandable stents and methods of using expandable stent within a body are described.
    Type: Application
    Filed: December 4, 2009
    Publication date: April 1, 2010
    Applicant: SCIMED LIFE SYSTEMS, INC.
    Inventor: Jan Weber
  • Publication number: 20100076318
    Abstract: The present invention generally relates to medical devices, and more particularly to an improved medical imaging device. In one embodiment, an imaging device includes a drive shaft having proximal and distal ends received within the lumen; and an imaging transducer assembly. coupled to the distal end of the drive shaft and positioned at the distal portion of the elongate member. The imaging transducer assembly includes one or more imaging transducers formed with a piezoelectric composite plate using photolithography based micromachining.
    Type: Application
    Filed: October 29, 2009
    Publication date: March 25, 2010
    Applicant: SciMed Life Systems, Inc.
    Inventors: Paul W. Rehrig, Xiaoning Jiang, Wesley S. Hackenberger, Jian R. Yuan, Richard Romley
  • Patent number: 7678119
    Abstract: An embodiment of a medical retrieval device includes a sheath having a proximal end and a distal end, a handle at the proximal end of the sheath, and a basket. The basket has a collapsed position when the basket is within the sheath and collapsed and an expanded position when the basket is positioned beyond the distal end of the sheath and expanded. The basket includes a plurality of legs, at least one leg having a frangible portion wherein the at least one leg breaks upon application of a predetermined force to the basket. A distal portion of the plurality of legs may be formed from a single piece of material.
    Type: Grant
    Filed: January 15, 2003
    Date of Patent: March 16, 2010
    Assignee: Scimed Life Systems, Inc.
    Inventors: William R. Little, Jason W. Kear, David W. Robertson, James Teague, James W. Riley
  • Patent number: 7680307
    Abstract: The systems and methods described herein provide for fast and accurate image segmentation through the application of a multi-stage classifier to an image data set. An image processing system is provided having a processor configured to apply a multi-stage classifier to the image data set to identify a distinctive region. The multi-stage classifier can include two or more component classifiers. The first component classifier can have a sensitivity level configured to identify one or more target regions in the image data set and the second component classifier can have a specificity level configured to confirm the presence of the distinctive region in any identified target regions. Also provided is a classification array having multiple multi-stage classifiers for identification and confirmation of more than one distinctive region or for the application of different classification configurations to the image data set to identify a specific distinctive region.
    Type: Grant
    Filed: April 5, 2005
    Date of Patent: March 16, 2010
    Assignee: Scimed Life Systems, Inc.
    Inventor: Shashidhar Sathyanarayana
  • Patent number: 7641631
    Abstract: Dilation catheters including a mechanism used in, for example, removing gas or air from the catheters are disclosed. A dilation catheter may include an elongated tubular member having a distal end and a proximal end, a proximal handle proximate the proximal end of the tubular member, and an inflatable balloon proximate the distal end of the tubular member with inflatable balloon being in fluid communication with a fluid port to supply inflation liquid to the inflatable balloon. The inflatable balloon may include an opening for permitting gas to exit the inflatable balloon. In the proximate location of the opening, an expandable material or a barrier material that permits gas to exit through the opening, while retaining inflation liquid in the inflatable balloon.
    Type: Grant
    Filed: February 17, 2004
    Date of Patent: January 5, 2010
    Assignee: SCIMED Life Systems, Inc.
    Inventors: Yem Chin, Paul Scopton, Liem Vu
  • Patent number: 7641668
    Abstract: An apparatus and method for ejecting fluid from a fluid delivery system. The fluid delivery system has a pneumatic assembly that when triggered injects gas into a hydraulic assembly, which in turn ejects fluid through an external interface. An electronic interface displays various measurements, for example, how much fluid has been ejected and if the hydraulic system is closed the pressure of the system. The pneumatic assembly can also be depressurized such that fluid can reenter the hydraulic assembly through the external interface.
    Type: Grant
    Filed: May 16, 2003
    Date of Patent: January 5, 2010
    Assignee: SCIMED Life Systems, Inc.
    Inventors: Stephen J. Perry, Michele B. Carter, David R. Conti, Thomas F. Janecek, Bryan D. Knodel, Anthony Scott Hollars, Peter Crowley, Donald C. Hovey, William Lucas Churchill, John C. Golden, Yem Chin, Mark L. Adams, Carleton E. Yee, Otto E. Anderhub
  • Patent number: 7625367
    Abstract: A telescoping catheter is adapted to provide improved support and protection for a drive cable by providing, in addition to an outer sheath and a telescoping sheath, an inner sheath surrounding the drive cable. The outer sheath has a relatively larger diameter, to allow for a flared end of the telescoping sheath to pass freely within the outer sheath. The inner sheath protects and supports the drive cable when the telescoping catheter is extended and the drive cable would otherwise only be protected and supported by the outer sheath having a diameter too large to provide the desired amount of support and protection for the drive cable.
    Type: Grant
    Filed: December 3, 2003
    Date of Patent: December 1, 2009
    Assignee: Scimed Life Systems, Inc.
    Inventors: Craig L. Adams, Almira Gascon
  • Patent number: 7625343
    Abstract: The present invention generally relates to medical devices, and more particularly to an improved intravascular device. In one embodiment, an intravascular device includes a catheter having proximal and distal portions, and a phased array of imaging elements, having edge elements each having angles of emission, located in the distal portion of the catheter, wherein the phased array is concaved having a radius of curvature such that when the phased array is steered in a maximal azimuthal direction, the angles of emission of the edge elements are substantially similar.
    Type: Grant
    Filed: July 1, 2005
    Date of Patent: December 1, 2009
    Assignee: SciMed Life Systems, Inc.
    Inventors: Pei Jei Cao, Jian R. Yuan, Michael J. Tierney
  • Patent number: 7622853
    Abstract: The present invention generally relates to medical devices, and more particularly to an improved medical imaging device. In one embodiment, an imaging device includes a drive shaft having proximal and distal ends received within the lumen; and an imaging transducer assembly coupled to the distal end of the drive shaft and positioned at the distal portion of the elongate member. The imaging transducer assembly includes one or more imaging transducers formed with a piezoelectric composite plate using photolithography based micromachining.
    Type: Grant
    Filed: August 12, 2005
    Date of Patent: November 24, 2009
    Assignee: SciMed Life Systems, Inc.
    Inventors: Paul W. Rehrig, Xiaoning Jiang, Wesley S. Hackenberger, Jian R. Yuan, Richard Romley
  • Patent number: 7621874
    Abstract: The systems and methods described herein provide for the improved three-dimensional imaging of the an internal body lumen of a living being. A medical imaging system is provided which can include an image processing system and a medical imaging device. The medical imaging device can be insertable into the internal lumen and can include an image acquisition system configured to image the lumen and detect the position and orientation of the image acquisition system within the lumen. The image acquisition system can output the image, position and orientation data to the image processing system to be used by the processing system to generate and display a virtual three-dimensional image of the internal lumen to the user. The user can use various software tools provided by the image processing system, such as distance and area measuring tools, to interact with the image.
    Type: Grant
    Filed: December 14, 2004
    Date of Patent: November 24, 2009
    Assignee: SciMed Life Systems, Inc.
    Inventors: Richard Romley, Thomas C. Pham, Scott Harshman
  • Patent number: 7618398
    Abstract: A protective sleeve for a balloon dilatation catheter includes an elongate tubular member having a neck portion and a slit extending along the entire length of the tubular member from a proximal end to a distal end thereof, wherein a distal portion of the tubular member is flared from the neck portion to the distal end of the tubular member to define an enlarged funnel-like opening.
    Type: Grant
    Filed: December 14, 2000
    Date of Patent: November 17, 2009
    Assignee: Scimed life Systems, Inc.
    Inventors: Thomas J. Holman, Louis G. Ellis, Gregory K. Olson, Linda R. Lorentzen Cornelius, Richard J. Traxler, Scott M. Hanson
  • Patent number: 7601230
    Abstract: Alloy compositions suitable for fabricating medical devices, such as stents, are disclosed. In certain embodiments, the compositions have small amounts of nickel, e.g., the compositions can be substantially free of nickel.
    Type: Grant
    Filed: September 27, 2007
    Date of Patent: October 13, 2009
    Assignee: Scimed Life Systems, Inc.
    Inventor: Charles Horace Craig
  • Patent number: 7588596
    Abstract: An endoluminal prosthesis for treatment of a condition in a lumen in the vicinity of a branch lumen, the lumen being adapted to resist migration, is provided. In one embodiment, the prosthesis includes a substantially tubular main stent adapted for placement in the main lumen. A substantially tubular anchor stent is connected to the main stent and adapted for placement in the branch lumen.
    Type: Grant
    Filed: December 29, 2004
    Date of Patent: September 15, 2009
    Assignee: Scimed Life Systems, Inc.
    Inventors: John Spiridigliozzi, Ilya Yampolski
  • Patent number: 7579189
    Abstract: The present invention relates to a biocompatible, three-dimensional scaffold useful to grow cells and to regenerate or repair tissue in predetermined orientations. The scaffold is particularly useful for regeneration and repair of cardiac tissue. The scaffold contains layers of alternating A-strips and S-strips, wherein the A-strips within each layer are aligned parallel to each other and preferentially promote cellular attachment over attachment to the S-strips. Methods of producing and implanting the scaffold are also provided.
    Type: Grant
    Filed: April 29, 2008
    Date of Patent: August 25, 2009
    Assignee: Scimed Life Systems, Inc.
    Inventors: Toby Freyman, Maria Palasis, Mark Ungs
  • Patent number: 7569046
    Abstract: A multiple catheter system is described. In one embodiment a medical catheter system includes a first catheter having an entrance orifice, an exit orifice, a channel connecting the entrance orifice and the exit orifice, and a wall surrounding the channel. In this embodiment the hardness of the wall surrounding the channel decreases in in hardness, increases in hardness and then decreases in hardness again, when considered from an initial reference point at the entrance orifice and traveling towards the exit orifice. Another medical catheter system includes a first catheter having an entrance orifice, an exit orifice, a channel linking the entrance orifice and the exit orifice, and a first wall surrounding the channel wherein the first wall has a bendable curve memory portion.
    Type: Grant
    Filed: December 27, 2001
    Date of Patent: August 4, 2009
    Assignee: Scimed Life Systems, Inc.
    Inventor: Pu Zhou
  • Patent number: 7559933
    Abstract: Compositions comprising absorbable implantable vaso-occlusive members are described. Also described are methods of making and using these absorbable vaso-occlusive compositions.
    Type: Grant
    Filed: April 25, 2003
    Date of Patent: July 14, 2009
    Assignee: Scimed Life Systems, Inc.
    Inventors: Michael P. Wallace, Delilah Yin Hul, Elaine Lee