Automatic cannulation device
OwnerFiliberto P. Zadini, Giorgio C. Zadiniinventors
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Abstract
An improved intravascular catheter placement device, for the automatic insertion of intravascular catheter into the interior of blood vessels comprising a needle, an intravascular catheter concentric to the needle, and self-propelling means for moving said catheter into a blood vessel upon needle penetration of the wall of the blood vessel. The self-propelling means is actuated by means for sensing penetration of a blood vessel.
Claims84
An intravascular catheter placement device for insertion of an intravascular catheter into the interior of a blood vessel comprising:
- an intravascular catheter;
- a hollow needle, said catheter being concentric to said hollow needle;
- means self initialed and for self-propelled advancement of said intravascular catheter into the interior of a blood vessel.
The intravascular catheter placement device of claim 83 further comprising:
- a chamber, wherein the pressure within said chamber is a partial vacuum pressure, said chamber being in communication with said hollow needle.
An intravascular catheter placement device for the insertion of intravascular catheter into the interior of a blood vessel comprising:
- an intravascular catheter;
- a hollow needle, said catheter being concentric to said hollow needle;
- means for automatic initiation and advancement of said intravascular catheter to an advanced position into the interior of a blood vessel.
Dependencies are inferred from the claim text.