Surgery – Respiratory method or device – Respiratory gas supply means enters mouth or tracheotomy...
Patent
1978-10-16
1980-07-15
Recla, Henry J.
Surgery
Respiratory method or device
Respiratory gas supply means enters mouth or tracheotomy...
12820418, 12820728, 128DIG26, 128236, 128DIG6, 128DIG9, 128DIG12, 128DIG16, A61M 1600
Patent
active
042122970
ABSTRACT:
In a micro-fluid exchange apparatus for exchanging fluid with an organ, such as the trachea or a blood vessel of a small animal, such as a rat or a mouse, a hollow needle, such as a syringe needle, is provided for penetrating the fluid conduit of the animal. The syringe needle is coupled to a plenum chamber having an inlet and outlet port. The plenum chamber is coupled to the syringe needle via the intermediary of a standard quick disconnect coupling fitting. The plenum chamber is carried at the end of a drive rod which is coupled to a micrometer drive head. The micrometer drive head is slidably and pivotably coupled to a pedestal for adjusting the height and angle of inclination of the needle relative to a reference base support. The needle is positioned adjacent to the incised trachea or a blood vessel of a small animal and the micrometer drive head is operated for penetrating the fluid conduit of the animal. In the case of a micro-respirator, an oxygen respirator pump is coupled in gaseous communication with the input and output ports of the plenum chamber for supplying oxygen and withdrawing exhaled gas from the small animal.
REFERENCES:
patent: 1793068 (1931-02-01), Dickinson
patent: 2266231 (1941-12-01), Mazzeo et al.
patent: 3915165 (1975-10-01), Rambosek
patent: 3964481 (1976-06-01), Gourland et al.
patent: 4108176 (1978-08-01), Walden
Frosch Robert A. Administrator of the National Aeronautics and Space
Johnson, Jr. John E.
Swartz Paul F.
Brekke Darrell G.
Manning John R.
McMillan Armand
Recla Henry J.
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