Injection patch

Details Injection patch Injection patch

1996-09-09

1998-03-17

Rimell, Sam

Surgery

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

Treating material introduced into or removed from body...

604174, 602 46, 602 48, 128888, A61M 532, A61F 1300

Patent

active

057280711

ABSTRACT:
An injection patch for facilitating injection into a patient and for confining blood from the injection wound has an absorbent pad against the skin of a patient around an intended injection site and a second surface. An elastomeric, self-sealing membrane through which an injection needle can penetrate lies against the second surface of the pad and closes the central opening. A cover layer with a central opening overlies the membrane and exposing a central portion of it to identify the injection site. The patch is adhesively held to the patient's skin. An injection can be made with a needle passed through the membrane and the patient's skin, after which the needle is extracted while the membrane wipes the needle, reseals and forms a cavity with the pad and the patient's skin to contain blood from the injection site until after hemostasis.

REFERENCES:
patent: 4988341 (1991-01-01), Columbus et al.
patent: 5015228 (1991-05-01), Columbus et al.
patent: 5092323 (1992-03-01), Riedel et al.
patent: 5409466 (1995-04-01), Watson et al.
patent: 5447492 (1995-09-01), Cartmell et al.
patent: 5496264 (1996-03-01), Watson et al.
patent: 5569207 (1996-10-01), Gisselberg et al.

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