Catheter assembly

Details Catheter assembly Catheter assembly

A - Human Necessities

61

M

128/80

A61M 5/00 (2006.01) A61M 25/00 (2006.01)

Patent

CA 1162808

ABSTRACT A catheter assembly which comprises catheter tubing, a blunt hollow needle the distal end of which is adapted to be removably held within the rearward end of the catheter tubing and a guide member with a longitudinal bore for aiding the insertion of the blunt hollow needle into the catheter tubing. The longi- tudinal bore of the said guide member has a narrower portion and a communicating broader portion, the narrower portion being adapted to receive in close fit the blunt hollow needle and the broader portion being adapted to receive in close fit the catheter tubing. The longitudinal bore has a shoulder where the narrower portion meets the broader portion, the interior end of the broader portion where it meets the narrower portion being of the same dimension as the external diameter of the catheter tubing, whereby the rearward end of the catheter tubing may be held against the shoulder during insertion of the blunt hollow needle into the catheter tubing. Both ends of the guide member have a portion which tapers inwards to the longitudinal bore. The above construction greatly facili- tates reconnection of the catheter tubing and hollow needle, by comparison with prior devices.

358263

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