Safety catheter assembly having safety stop push button
December 27, 2014. 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 3605743 Cannula insertion set with safety retracting needle Safety retracting needle for use with syringe Phlebotomy set with safety retracting needle Syringe with safety retracting needle Medical needle puncture guard One handed retractable safety syringe Combined catheter and needle Syringe with retractable needle Hypodermic needle apparatus InventorApplicationNo. 364635 filed on 12/27/1994US Classes:604/263, Removable cover or protector for body inserted conduit128/919, Syringe, means to protect user604/164.12, Having biasing means for urging body piercer, obturator, or stylet604/171, Body entering conduit axially movable within flexible protective sheath facilitating sterile insertion into body duct604/264Body inserted tubular conduit structure (e.g., needles, cannulas, nozzles, trocars, catheters, etc.)ExaminersPrimary: Maglione, CorrineAssistant: Gring, N. Kent Attorney, Agent or FirmInternational ClassA61M 005/00AbstractA safety stop push button mechanism is disclosed that prevents unwanted activation of the push button. The safety stop push button has particular applicability to a catheter and spring activated safety introducer needle assembly. A projection extending from the activation latch engages the catheter hub to prevent inadvertent activation of the safety mechanism until the catheter has been at least partially advanced distally over the needle.Field of SearchSyringe, means to protect userConduit impelled by spring Body entering conduit axially movable within flexible protective sheath facilitating sterile insertion into body duct Means moved by person to inject or remove fluent material to or from body inserted conduit, holder, or reservoir Injector or aspirator syringe supported only by person during use (e.g., hand held hypodermic syringe, douche tube with forced injection, etc.) Having cover or protector for body entering conduit Cover or protector for body entering conduit movable axially relative to one another Removable cover or protector for body inserted conduit Body inserted tubular conduit structure (e.g., needles, cannulas, nozzles, trocars, catheters, etc.) With barrier, shield, or suction relief means adjacent tissue contacting orifice Body piercing condit (e.g., needle, etc.) | |
