Injection port connector with rotatable locking lug

Details Injection port connector with rotatable locking lug Injection port connector with rotatable locking lug

1991-10-15

1994-03-01

Yasko, John D.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604174, 604283, 604905, A61M 3700

Patent

active

052902226

ABSTRACT:
An improved injection cap having a lug for locking the injection cap to a tubing connector. One embodiment has a lug integrally constructed on the injection cap. Another embodiment has a lug rotatably attached to the injection cap. Still another embodiment has a lug connected with a wing rotatably attached to the injection cap. An improved Y-injection site having a lug for locking a tubing connector on the Y-injection site. As before one embodiment has a lug integrally constructed on a side branch of a Y-injection site, while another embodiment has a lug rotatably attached to the side branch. The invention includes an improved tubing connector having a tubular needle sheath that is open at one end and closed by needle hub at another end. The sheath incorporates a catch mechanism to receive a lug-shaped attachment on an injection cap or a Y-injection site and ensure a secure connection. One variation has an open cut-out slit at the open end of needle sheath to receive and engage in a locking relation with a lug. In another embodiment a needle sheath has at least one straight open cut-out slit with two notches at the opening to receive and retain a lug. Still another embodiment has a second tubular sheath rotatably fitted on the outside of the first sheath. Open cut-out slits on the inner and outer sheaths can be in and out of alignment by rotation to receive and engage into a locking relation with a lug. A sheathed injection needle having a straight open cut-out slit on the needle sheath for accessing an injection site that has a lug-shaped attachment. A fluid container having an closing cap with a built-in injection site kept on the container with a retaining cap or it can engage the container directly.

REFERENCES:
patent: 3986508 (1976-10-01), Barrington
patent: 4219912 (1980-09-01), Adams
patent: 4511359 (1985-04-01), Vaillancourt
patent: 4752292 (1988-06-01), Lopez et al.
patent: 4981469 (1991-01-01), Whitehouse et al.
patent: 5071404 (1991-12-01), Larkin et al.
patent: 5122123 (1992-06-01), Vaillancourt

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