Patent ID: 8882715
Filing Date: 2014-11-11
Classification: A61B

Abstract:
1. A catheterization device comprising: a fitting comprising a proximal end, a tapered distal end, and an interior surface; a flexible catheter comprising a tapered distal end, a proximal end, and an interior surface, the proximal end of said flexible catheter mounted to the distal end of said fitting, the interior surfaces of the flexible catheter and the fitting in fluid communication; a preformed rigid stylet having an arc shape, the preformed rigid stylet including a hollow body with a first end, a second end with a tip having a hollow-ground point, the tip is adapted for penetrating tissue and drawing blood from a blood vessel, the preformed rigid stylet disposed within said flexible catheter from the proximal end of said flexible catheter to the distal end of said flexible catheter, the tip of the preformed rigid stylet extending from the distal end of said flexible catheter; a tubular sealing member detachably mounted to the proximal end of said fitting, the tubular sealing member seals the proximal end of the fitting; and a retaining block located inside the tubular sealing member; the distal end of the preformed rigid stylet is attached to the retaining block, the retaining block retracts the preformed rigid stylet into the tubular sealing member; the blood enters the catheterization device through the hollow-ground point on the tip and flows from the rigid stylet to the fitting.