Invention Grant
US08096986B2 Barb-ended, self-actuating, partially indwelling and continually retained urinary catheter 失效
膀胱末端,自我致动,部分留置和持续保留的导尿管

  • Patent Title: Barb-ended, self-actuating, partially indwelling and continually retained urinary catheter
  • Patent Title (中): 膀胱末端,自我致动,部分留置和持续保留的导尿管
  • Application No.: US12583572
    Application Date: 2009-08-24
  • Publication No.: US08096986B2
    Publication Date: 2012-01-17
  • Inventor: John Anderson Armistead
  • Applicant: John Anderson Armistead
  • Main IPC: A61M27/00
  • IPC: A61M27/00
Barb-ended, self-actuating, partially indwelling and continually retained urinary catheter
Abstract:
While waiting for prostate-size-reducing drugs or herbs to have an effect, it's often necessary to have a catheter, like the Foley, inserted into the bladder. Urine passing through such collects in a plastic bag which must be drained, regularly, and is awkward to carry and difficult to disguise under clothing. In lieu of a Foley, full-length self-cathetering is less awkward, but the recurring process can irritate the urethra and prostate, and increase the chance of getting cystitis. The present new catheter type has a barb-like tip to retain such inside the bladder. A urine drainage inlet is located less than an inch below the barb. The easy drainage of urine is facilitated simply by pushing the catheter upward until the inlet opening is inside the bladder. Because the required insertion distance is much reduced, there's less likelihood of there being irritation of the organs, and less likelihood of getting cystitis.
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