Connecting device for medical liquid containers

Details Connecting device for medical liquid containers Connecting device for medical liquid containers

1982-04-26

1984-02-21

Rosenbaum, C. Fred

Surgery

Container for blood or body treating material, or means used...

Having hollow needle or spike for piercing container or...

604905, 285419, A61M 500

Patent

active

044327595

ABSTRACT:
A connecting device for medical liquid administration sets, particularly for use in continuous ambulatory peritoneal dialysis comprises a tubular port extending from a medical liquid container. The tubular port has a pierceable diaphragm positioned within and sealing the same. A hollow tubular piercing pin having a sharpened tip is used for penetrating the pierceable diaphragm. A length of flexible tubing extends from the piercing pin and is connected to a catheter positioned in the peritoneum of the patient. A locking mechanism is utilized for selectively retaining the piercing pin within the tubular port following insertion, and for asepticizing the connection. The locking mechanism comprises a tubular clasp which closes around the piercing pin and telescopes over the tubular port. A plurality of ratchets on the inside of the clasp lock the pin and port together following connection.

REFERENCES:
patent: 3394954 (1968-07-01), Sarns
patent: 4161949 (1979-07-01), Thanawalla
patent: 4306976 (1981-12-01), Bazzato
patent: 4340052 (1982-07-01), Dennehey et al.
patent: 4353367 (1982-10-01), Hunter et al.
patent: 4354490 (1982-10-01), Rogers
patent: 4366816 (1983-01-01), Bayard et al.

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