Patent ID: 8939962
Filing Date: 2015-01-27
Classification: A61M

Abstract:
1. An atraumatic urinary catheter, the catheter comprising: a first tubule comprising a first channel and a second channel, and wherein the first channel is wide and extended from a proximal end of the first tubule to a distal end of the first tubule, and wherein the first channel is open in both ends; a second tubule comprising a third channel, and wherein the third channel of the second tubule is configured to communicate with a bladder cavity; and a third tubule placed on the first tubule and the second tubule as a cover, and wherein the third tubule produces a catheter balloon; wherein a self-retaining mechanism is formed in the third tubule at a junction of the first tubule and the second tubule in a catheter balloon cavity, and wherein the self-retaining mechanism is formed by placing a thin distal end of the first channel of the first tubule inside a wide proximal end of the third channel of the second tubule to cover both the first tubule and the second tubule within the third tubule, and wherein the thin distal end of the first channel of the first tubule of the self-retaining mechanism is detached from the wide proximal end of the third channel of the second tubule to deflate the catheter balloon when a pressure of the catheter balloon rises to a pre-set point, and wherein the first channel of the first tubule and the third channel of the second tubule are connected together to produce a main longitudinal channel within the catheter, and wherein the main longitudinal channel extends from the proximal end of the first tubule to a first hole, and wherein urine is drained from bladder through the first hole, and wherein the self retaining mechanism opens or activates only, when the thin distal end of the first channel of the first tubule of the self-retaining mechanism is completely separated or detached from the wide proximal end of the third channel of the second tubule to deflate the catheter balloon.