Aspirator method

Details Aspirator method Aspirator method

1975-09-09

1976-06-08

Howell, Kyle L.

Surgery

Truss

Perineal

128DIG5, 128276, A61B 514

Patent

active

039616223

ABSTRACT:
The method of taking a blood sample utilizes a cannula having a penetrating point at its distal end and an elongate lateral opening through the cannula wall on the side opposite the point. The steps of the method include sealing the lateral opening with a slidable sleeve which has an outwardly-extending base, sealing the base against the patient's skin, aligning the cannula with a blood vessel and inserting the cannula to a depth sufficient to pierce the blood vessel, and applying a slight vacuum on the cannula to withdraw blood therethrough.

REFERENCES:
patent: 2402306 (1946-06-01), Turkel
patent: 2512568 (1950-06-01), Saffir
patent: 2590895 (1952-04-01), Scappellino
patent: 2952256 (1960-09-01), Meader et al.
patent: 3064648 (1962-11-01), Bujan
patent: 3076457 (1963-02-01), Copen
patent: 3277893 (1966-10-01), Clark
patent: 3487837 (1970-01-01), Petersen
patent: 3509880 (1970-05-01), Guttman
patent: 3662754 (1972-05-01), Halloran

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