Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
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
Luther Ronald B.
Snyder Daniel R.
Whitehouse Craig M.
DRS Infusion Systems, Inc.
Krawitz Willie
Luther Medical Products, Inc.
Yasko John D.
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