Fluid-communicating device with valve function

Details Fluid-communicating device with valve function Fluid-communicating device with valve function

1989-10-24

1991-10-29

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

604236, 604256, 251342, F16L 3728

Patent

active

050612530

ABSTRACT:
A fluid-communicating device with valve function comprising a tubular body having an inlet and an outlet, and a blocking body inserted in the tubular body is disclosed. The blocking body comprises a plug portion, and a supporting portion on which a diameter-enlarging portion for enlarging an inner wall of the tubular body is provided. The plug portion of the blocking body is placed in a seal portion of the tubular body to close the tubular body and to prevent the passage of fluid. In use, a tip of a syringe and the like is inserted into the tubular body, so that there is formed a clearance between the outer wall of the plug portion and the inner wall of the seal portion. Fluid passes through the clearance and a fluid passage formed longitudinally on the supporting portion or on an inner wall of the tubular body.

REFERENCES:
patent: 3570484 (1971-03-01), Steer
patent: 3901246 (1975-08-01), Wallace
patent: 4018231 (1977-04-01), Wallace
patent: 4147170 (1979-04-01), Taylor
patent: 4429856 (1984-02-01), Jackson
patent: 4449693 (1984-05-01), Gereg
patent: 4710168 (1987-12-01), Schwab et al.
patent: 4722727 (1988-02-01), Ogden
patent: 4915687 (1990-04-01), Sivert

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