Single-hand controlled aspiration device

Details Single-hand controlled aspiration device Single-hand controlled aspiration device

1985-10-21

1987-05-12

Howell, Kyle L.

Surgery

Truss

Pad

128763, 604187, 604227, A61B 1000

Patent

active

046641289

ABSTRACT:
A disposable, single-hand controlled aspirating device for medical aspirating activities such as subcutaneous biopsy of fluid, soft tissue and bone marrow is provided. The aspirating device includes a syringe barrel, a plunger operative in the barrel, a finger grip member surrounding the exterior wall of the barrel that includes a collar portion engaging the exterior wall of the barrel and flange portions extending outwardly from the exterior wall of the barrel a distance sufficient to provide support for a user's fingers during aspiration procedures, and a spring surrounding the plunger portion external to the barrel for biasing the plunger outwardly from the barrel after the plunger has been advanced in the barrel toward the distal end thereof.

REFERENCES:
patent: 819330 (1906-05-01), Ycaza
patent: 2198666 (1936-09-01), Gruskin
patent: 2550394 (1948-12-01), Young et al.
patent: 2660342 (1949-04-01), Ruf
patent: 2705494 (1953-10-01), Broadwin
patent: 2854975 (1958-08-01), Cohen
patent: 3366103 (1968-01-01), Keller
patent: 4354507 (1982-10-01), Raitto
patent: 4484915 (1984-11-01), Tartaglia

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