Liquid drug dispenser

Surgery – Respiratory method or device – Ozone or ion generation

Patent

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Details

128218A, 128DIG12, 222142, 222144, 222145, A61M 500, A61M 500

Patent

active

041967305

ABSTRACT:
A liquid dispenser has a transparent frame which houses a rotatable mounting assembly of a plurality of mounted liquid compressible containers having needle discharge outlets having covering caps to block liquid flow. A control unit can be operated so that the mounting assembly is rotated by a motor secured to the frame, and locked in position by a solenoid powered lock pin mounted to the frame which engages the mounting assembly. When the mounting assembly is locked into discharge position, a selected container needle is aligned with a discharge passage in the frame. Then a motor-driven compression drive unit secured to the frame is operated to move a gear rack forward so that a flange secured to the rack engages the end of the liquid container to drive it forward to cause the container needle to puncture its cover cap and also a diaphragm at the frame discharge passage. After the diaphragm is punctured, the flange compresses the liquid in the container through the container needle through the frame discharge passage. A three-way valve is connected to the frame discharge passage to connect the passage to a catheter extending to a needle inserted in the body of a patient. Another catheter connects the valve to a bag of dextrose. A wheel is mounted to the frame with a link engaged to a handle operating the valve so that a drive ramp attached to the rack rotates the wheel to move the valve handle simultaneously with forward rack movement to allow discharge of the liquid from the frame passage through the catheter extending to the patient. A scale associated with the frame and with the compression drive unit indicates to the operator how much liquid has been discharged through the needle extending into the patient's body. The rack can be driven rearward so that the wheel can move the valve handle to position the valve to connect the dextrose bag with the needle in the patient.

REFERENCES:
patent: 2531267 (1950-11-01), Narnisch
patent: 2627270 (1953-02-01), Glass
patent: 2671448 (1954-03-01), Narnisch
patent: 2879767 (1959-03-01), Kulick
patent: 3714943 (1973-02-01), Yanof et al.
patent: 3858581 (1975-01-01), Kamen
patent: 3880138 (1975-04-01), Wootten et al.
patent: 3985133 (1976-12-01), Jenkins et al.
patent: 4006736 (1977-02-01), Kranys et al.

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