Assembly with septum fitting for connecting adaptor and fluid tu

Details Assembly with septum fitting for connecting adaptor and fluid tu Assembly with septum fitting for connecting adaptor and fluid tu

1984-10-29

1985-12-17

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604243, 604283, A61M 500

Patent

active

045590435

ABSTRACT:
An assembly for connecting needles and catheters in I.V. applications, chemical analysis, etc., includes a leak proof, sterile, self-sealing septum from which the needle is inserted. When the needle is retracted from the septum, the septum will reseal and thus maintain a leak-proof, sterile seal. The assembly is therefore reuseable, and this represents a considerable cost saving for patients who require continuous therapy such as with diabetics, cancer patients, and the like.
The assembly includes a distal end having an outlet bore through which a catheter is inserted. The proximal end of the assembly is connected to an external adaptor to which is attached a needle. The septum is positioned between the distal end and the proximal end to provide a self-sealing seal between the needle and the catheter. This external adaptor with needle may be part of a syringe or shaped to accommodate any standard connector such as a luer lock.
Depending on the application, the fittings may be manufactured from a wide range of materials including plastics and metal. For example, as an inexpensive disposable item, the fitting would preferably be manufactured from molded plastic.

REFERENCES:
patent: 3158155 (1964-11-01), Myerson
patent: 3739779 (1973-06-01), Pfleger
patent: 3989044 (1976-11-01), Meierhoefer
patent: 4187848 (1980-02-01), Taylor

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