Vacuum-compression injector

Details Vacuum-compression injector Vacuum-compression injector

1981-02-24

1983-09-13

Recla, Henry J.

Surgery

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

Treating material introduced into or removed from body...

604245, A61M 530

Patent

active

044036094

ABSTRACT:
A needless vacuum-compression injector stabilizes a nozzle over the tissue to be penetrated by means of a continuous vacuum applied to an annular area surrounding the point of penetration. The vacuum draws the tissue toward the annular region and immobilizes the tissue over the nozzle without puncturing the tissue and without substantially displacing the tissue from its initial condition. Pressurized gas is used to express a medicament through an orifice in the nozzle and into the immobilized tissue.

REFERENCES:
patent: 1934046 (1933-11-01), Demarchi
patent: 2743723 (1956-05-01), Hein
patent: 2945496 (1960-07-01), Fosdal
patent: 3057349 (1962-10-01), Ismach
patent: 3140713 (1964-07-01), Ismach
patent: 3167071 (1965-01-01), Venditty
patent: 3424154 (1969-01-01), Kinsley
patent: 3490451 (1970-01-01), Yahner
patent: 3515130 (1970-06-01), Tsujino
patent: 3548830 (1970-12-01), Goey
patent: 3688765 (1972-09-01), Gasaway
patent: 3933155 (1976-01-01), Johnston
patent: 4284077 (1981-08-01), Wagner

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