Combined catheter and needle
October 2, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3094122 3884230 Infusion device Catheter placement assembly having axial and rotational alignment means Venipuncture device Catheter insertion device Catheter tip configuration Infusion needle Catheter introducing instrument Automatic protracting and locking hypodermic needle guard InventorApplicationNo. 415876 filed on 10/02/1989US Classes:604/165.01, Having means preventing relative movement between elements during their insertion into body604/110, Having means for preventing reuse of device604/198, Cover or protector for body entering conduit movable axially relative to one another604/263Removable cover or protector for body inserted conduitExaminersPrimary: Pellegrino, Stephen C.Attorney, Agent or FirmInternational ClassA61M 005/32AbstractA combined needle and catheter assembly comprising a body in which is provided a plunger having the needle at one end with the catheter enclosing said needle with the tip exposed. A pusher is provided to move the plunger to the proximate end of the body to expose the needle with catheter and to lock the plunger in place against a spring which biases the plunger toward the distal position in the body. After use of the needle with the catheter moved into place, a release is employed to permit the plunger with needle to be driven back into the body, permitting the catheter to be separated from the body and ready for use. | |
