Surgery – Truss – Pad
Patent
1987-10-16
1989-06-27
Hindenburg, Max
Surgery
Truss
Pad
A61B 500
Patent
active
048419842
ABSTRACT:
An ophthalic device and system for measuring and controlling relative fluid pressure inside an ocular globe includes a surgical instrument which is adapted to penetrate the ocular globe. A fluid pressure transducer is mounted on the instrument so that when the instrument penetrates the ocular globe the transducer is located adjacent to an opening that communicates with the interior of the globe so that it can react to pressure changes in the fluid therein and generate signals in response to changes in the pressure of the fluid. The signal is transmitted external of the instrument to a control system which is operatively connected to the transducer for first receiving signals from the transducer and the controlling a fluid supply system in response to signals according to a predetermned set of instructions. The control system is connected to a closed loop feed system in which fluid is continuously circulated. Fluctuations in intraocular pressure cause the control system to divert fluid from the feed system to the ocular globe to a conduit connected to the closed loop.
REFERENCES:
patent: 3553625 (1971-01-01), Chiku et al.
patent: 3939823 (1976-02-01), Kaye et al.
patent: 4274423 (1981-06-01), Mizuno et al.
patent: 4423727 (1984-01-01), Widron et al.
Armeniades C. D.
Moorhead Louise C.
Armoor Ophthalmics, Inc.
Hindenburg Max
Lacyk John P.
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