Patents by Inventor Greg P. Welsh

Greg P. Welsh 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).

  • Patent number: 8292945
    Abstract: A stent comprising a serpentine portion extending about the circumference of the stent, the serpentine portion having a first end and a second end, the serpentine portion having a plurality of turns at the first end and a plurality of turns at the second end and struts extending therebetween, at least one of the turns at the first end, at least one of the turns at the second end, at least one of the struts therebetween, or some combination thereof having a plurality of shaped recesses thereon.
    Type: Grant
    Filed: August 16, 2005
    Date of Patent: October 23, 2012
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Greg P. Welsh, Lex P. Jansen
  • Patent number: 7014654
    Abstract: A stent comprising a serpentine portion extending about the circumference of the stent, the serpentine portion having a first end and a second end, the serpentine portion having a plurality of turns at the first end and a plurality of turns at the second end and struts extending therebetween, at least one of the turns at the first end, at least one of the turns at the second end, at least one of the struts therebetween, or some combination thereof having a plurality of shaped recesses thereon.
    Type: Grant
    Filed: November 30, 2001
    Date of Patent: March 21, 2006
    Assignee: Scimed Life Systems, Inc.
    Inventors: Greg P. Welsh, Lex P. Jansen
  • Patent number: 6575959
    Abstract: A catheter for use in vasculature or other lumens within body structures includes a shaft formed from an elongated polymeric flexible tube. A thin polymeric sleeve is placed over a proximal portion of the catheter shaft. A hub structure is injection molded over the sleeve with a polymer of the same type as the polymeric sleeve. The heat from the injection molded polymer of the hub body is sufficient to heat the polymeric sleeve, causing the polymeric sleeve to bond the hub body to the sleeve, and the sleeve to the catheter shaft. In this way, the injection molded polymeric hub structure is fused to the catheter shaft, with a unified polymeric bond, and without the use of adhesive. The plastic sleeve is sufficiently thick to protect the catheter shaft from the heat of the injection molded molten polymer while still allowing the catheter shaft and sleeve to bond to the shaft.
    Type: Grant
    Filed: December 27, 1999
    Date of Patent: June 10, 2003
    Assignee: SciMed Life Systems, Inc.
    Inventors: Jeffrey A. Sarge, Lex P. Jansen, Lawrence C. Alpert, Greg P Welsh
  • Publication number: 20030105511
    Abstract: A stent comprising a serpentine portion extending about the circumference of the stent, the serpentine portion having a first end and a second end, the serpentine portion having a plurality of turns at the first end and a plurality of turns at the second end and struts extending therebetween, at least one of the turns at the first end, at least one of the turns at the second end, at least one of the struts therebetween, or some combination thereof having a plurality of shaped recesses thereon.
    Type: Application
    Filed: November 30, 2001
    Publication date: June 5, 2003
    Inventors: Greg P. Welsh, Lex P. Jansen
  • Patent number: 6527790
    Abstract: Improved intravascular balloon catheters for the delivery of embolic agents and devices such as coils to wide-neck aneurysms. In one embodiment, the present invention provides a balloon catheter having a combined guide wire/delivery lumen and a lateral delivery hole. The balloon may comprise a multi-lobed design with the delivery hole disposed between adjacent balloon lobes. The balloon catheter preferably includes a diversion member disposed in the combined lumen to cause the embolic device to divert from the combined lumen, through the delivery hole, and into the wide-neck aneurysm. In another embodiment, the present invention provides a balloon catheter having a shaft including a shaft tube and a co-extending embolic delivery tube. The delivery tube terminates proximal of the distal end of the shaft tube for added flexibility, and the balloon may inflate eccentrically to push the distal opening of the delivery lumen adjacent the opening of the wide-neck aneurysm.
    Type: Grant
    Filed: December 7, 2000
    Date of Patent: March 4, 2003
    Assignee: SciMed Life Systems, Inc.
    Inventors: Thomas Yung-Hui Chien, Greg P. Welsh, Huey Quoc Chan
  • Publication number: 20020072763
    Abstract: Improved intravascular balloon catheters for the delivery of embolic agents and devices such as coils to wide-neck aneurysms. In one embodiment, the present invention provides a balloon catheter having a combined guide wire/delivery lumen and a lateral delivery hole. The balloon may comprise a multi-lobed design with the delivery hole disposed between adjacent balloon lobes. The balloon catheter preferably includes a diversion member disposed in the combined lumen to cause the embolic device to divert from the combined lumen, through the delivery hole, and into the wide-neck aneurysm. In another embodiment, the present invention provides a balloon catheter having a shaft including a shaft tube and a co-extending embolic delivery tube. The delivery tube terminates proximal of the distal end of the shaft tube for added flexibility, and the balloon may inflate eccentrically to push the distal opening of the delivery lumen adjacent the opening of the wide-neck aneurysm.
    Type: Application
    Filed: December 7, 2000
    Publication date: June 13, 2002
    Applicant: SciMed Life Systems, Inc.
    Inventors: Thomas Yung-Hui Chien, Greg P. Welsh, Huey Quoc Chan