Patent ID: 6929598
Filing Date: 2005-08-16
Classification: A61B,A61D,A61M,Y10S

Abstract:
1. A catheter for artificial insemination which is a hollow cylindrical catheter having axially extending openings at both ends, the catheter comprising a small diameter portion forming a distal end portion, a large diameter portion forming a proximal end portion and a tapered portion connecting the small diameter portion and the large diameter portion, a total inner volume of said catheter being from 0.2 to 1.0 ml, wherein the tapered portion has a distal end and a proximal end and a difference in inner diameter of the distal end and inner diameter of the proximal end is from 2 to 4 mm, the small diameter portion has an inner diameter of 0.3 to 1.0 mm, and the large diameter portion has an inner diameter of 3.0 to 4.5 mm.