Patents by Inventor Venu Ghanta

Venu Ghanta 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).

  • High pressure catheter balloon
    Patent number: 6336936
    Abstract: A balloon formed of a single layer of polybutylene terephthalate and polytetramethylene ether glycol terephthalate copolymer in a substantially unblended form. The copolymer has a flexural modulus of greater than about 150,000 psi. The presently preferred copolymer is Hytrel® 8238 by DuPont. The balloon of the invention would be substantially unblended, defined as greater than about 60% by weight to about 100% by weight of the copolymer. The balloon is formed in a series of molds. The balloon of the invention exhibits high rupture pressure and low compliance coupled with good lesion cross and recross ability.
    Type: Grant
    Filed: June 13, 2001
    Date of Patent: January 8, 2002
    Assignee: Advanced Cardiovascular Systems, INC
    Inventors: Murthy V. Simhambhatla, Venu Ghanta, Timoteo Tomas
  • High pressure catheter balloon
    Publication number: 20010027329
    Abstract: A balloon formed of a single layer of polybutylene terephthalate and polytetramethylene ether glycol terephthalate copolymer in a substantially unblended form. The copolymer has a flexural modulus of greater than about 150,000 psi. The presently preferred copolymer is Hytrel® 8238 by DuPont. The balloon of the invention would be substantially unblended, defined as greater than about 60% by weight to about 100% by weight of the copolymer. The balloon is formed in a series of molds. The balloon of the invention exhibits high rupture pressure and low compliance coupled with good lesion cross and recross ability.
    Type: Application
    Filed: June 13, 2001
    Publication date: October 4, 2001
    Applicant: Advanced Cardiovascular Systems, Inc.
    Inventors: Murthy V. Simhambhatla, Venu Ghanta, Timoteo Tomas
  • High pressure catheter balloon
    Patent number: 6270522
    Abstract: A balloon formed of a single layer of polybutylene terephthalate and polytetramethylene ether glycol terephthalate copolymer in a substantially unblended form. The copolymer has a flexural modulus of greater than about 150,000 psi. The presently preferred copolymer is Hytrel® 8238 by DuPont. The balloon would be substantially unblended, defined as greater than about 60% by weight to about 100% by weight of the copolymer. The balloon is formed in a series of molds. The balloon exhibits high rupture pressure and low compliance coupled with good lesion cross and recross ability.
    Type: Grant
    Filed: December 21, 1999
    Date of Patent: August 7, 2001
    Assignee: Advanced Cardiovascular Systems, Inc.
    Inventors: Murthy V. Simhambhatla, Venu Ghanta, Timoteo Tomas