Patents by Inventor Nicholas Biswas

Nicholas Biswas 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).

  • Publication number: 20030187334
    Abstract: A surgical instrument 10 to aid a medical practitioner to manipulate a patients uterus and vaginal vault, the instrument 10 includes a shaft 12 that is inserted through the patient's vagina and cervix so as to protrude into the uterus. A hollow member 19 is sealingly engaged with the shaft 12 and extends therefrom so as to engage the vaginal wall to sealingly connect the shaft 12 with the vaginal wall. This enables a surgeon to cut the vaginal wall surrounding the cervix while delivering a gas under pressure to the body cavity surrounding the uterus.
    Type: Application
    Filed: February 10, 2003
    Publication date: October 2, 2003
    Applicant: FREESPIRIT UNLIMITED PTY LTD.
    Inventor: Nicholas Biswas
  • Patent number: 6413206
    Abstract: An intra-vaginal device (30) to aid in controlling urinary incontinence. The device (30) has a base (31) from which there projects a rear part (34). The rear part (34) engages the posterior vaginal wall and rests on the pelvic floor and projects towards the cervix. The base (31) has a convex surface (33) which engages the anterior vaginal wall to support the vaginal wall and the urethra therebehind.
    Type: Grant
    Filed: November 20, 1998
    Date of Patent: July 2, 2002
    Assignee: Niquoola Pty LTD
    Inventor: Nicholas Biswas
  • Publication number: 20020007106
    Abstract: An intra-vaginal device (30) to aid in controlling urinary incontinence. The device (30) has a base (31) from which there projects a rear part (34). The rear part (34) engages the posterior vaginal wall and rests on the pelvic floor and projects towards the cervix. The base (31) has a convex surface (33) which engages the anterior vaginal wall to support the vaginal wall and the urethra therebehind.
    Type: Application
    Filed: November 20, 1998
    Publication date: January 17, 2002
    Inventor: NICHOLAS BISWAS
  • Patent number: 5386836
    Abstract: An intra-vaginal urinary incontinence device basically comprises a resilient base portion (31), and a bladder support portion (40) extending away from the base portion (31) and having two opposed projections having a support section (30) therebetween forming a cradle (32) which receives and supports the neck of the bladder. The base portion is flexible to allow insertion into the vagina and the size and position of the cradle can be varied for different patients. The two projections may extend from the base portion directly or be formed on the end of a stalk and the support section is preferably arranged above the plane of the base portion.
    Type: Grant
    Filed: July 9, 1993
    Date of Patent: February 7, 1995
    Assignee: Zedlani Pty Limited
    Inventor: Nicholas Biswas
  • Patent number: 5036867
    Abstract: An intra-vaginal device to aid in controlling urinary incontinence, the device includes a central portion (12) of an arcuate configuration to be positioned within the vagina in an upwardly convex orientation, a pair of rearward projections (22) which engage the posterior vaginal wall, a pair of forward projections (18) which engage the anterior vaginal wall adjacent the bladder neck to lift the bladder adjacent thereto, a bladder neck cradle (20) to cradle the bladder neck, with the device being formed of resilient material so as to flex into engagement with the vaginal wall to be retained in position.
    Type: Grant
    Filed: December 8, 1989
    Date of Patent: August 6, 1991
    Assignee: Zedlani Pty. Limited
    Inventor: Nicholas Biswas
  • Patent number: 4920986
    Abstract: An intra-vaginal device to aid in controlling urinary incontinence, said device including a body with a forward portion to engage the anterior vaginal wall adjacent the bladder neck, which forward portion is expandable to close the bladder neck.
    Type: Grant
    Filed: October 13, 1987
    Date of Patent: May 1, 1990
    Assignee: Zedlani Pty. Limited
    Inventor: Nicholas Biswas