Patent Yard Sign in
Expired Canadian patentCanada

Diagonally tapered, bevelled tip introducing catheter and sheath and method for insertion

CA 1305004 C · Owner: Grayzel, Joseph · Inventors: Grayzel, Joseph

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

GRAY 3.0-4/PCT, Inventor: JOSEPH GRAYZEL Title: DIAGONALLY TAPERED, BEVELLED TIP INTRODUCING CATHETER AND SHEATH AND METHOD FOR INSERTION A B S T R A C T, The present invention provides an improved introducingdilating catheter which may also be applied to facilitate insertion of catheters of all types and functional purposes. The catheter has a tapered portion which is in turn, connected, to a bevelled tip portion to facilitate insertion of the catheter into a preexisting puncture aperture. The bevelled tip portion is finished to remove any points capable of puncturing or any edges capable of injuring the tissues by the application of only a small force. Indicia means are provided to enable …

Read the whole patent

Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted July 14, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 14, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 8, 1988
GrantedJuly 14, 1992
Term endedJuly 14, 2009
Patent numberCA 1305004 C
Classification (IPC)A61M29/00 +1 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedJuly 8, 1988Patent grantedJuly 14, 1992Term endedJuly 14, 2009

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.