Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1980-06-23
1982-11-02
Moon, Charlie T.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29428, 29464, 53432, 141 1, 141 65, 141 98, B21D 5300, B21K 2900, B23P 1526
Patent
active
043566103
ABSTRACT:
A catheter is disclosed for measuring the intrauterine pressure of a woman in labor. It comprises an elongated flexible tube filled with liquid and having one end apertured to permit the liquid therein to communicate with bodily fluids in the uterus; the other end is sealed by a relaxed diaphragm. The catheter tube is inserted into a curved guide tube which is scored at the end adjacent the apertured end of the catheter to permit the catheter to be extended from the guide tube. The guide tube is also scored along its length to permit a portion of the wall of the guide tube to be peeled away leaving a longitudinal slot through which the catheter can be passed after insertion into the uterus. The catheter and guide tube are disposed in a liquid-tight envelope, the open end of which is sealed about the catheter to prevent escape of the liquid within the catheter. A leg plate for supporting a pressure transducer includes means for removably connecting the catheter to the transducer and means for removably attaching the leg plate to the skin of the patient.
REFERENCES:
patent: 2426663 (1947-09-01), Bevins
patent: 2846829 (1958-08-01), Eskin
patent: 2919524 (1960-01-01), Conti et al.
patent: 3200486 (1965-08-01), Shields
patent: 3266212 (1966-08-01), Monroe, Jr.
patent: 3423817 (1969-01-01), Bobo
patent: 3839841 (1974-10-01), Amplatz
patent: 4023559 (1977-05-01), Gaskell
patent: 4085493 (1978-04-01), Chadwick
patent: 4136681 (1979-01-01), Hon
Dali Carmelo
Hon Edward H.
American Home Products Corporation
Moon Charlie T.
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