Patient operated tonometers

Details Patient operated tonometers Patient operated tonometers

1994-10-28

1996-08-20

Sykes, Angela D.

Surgery

Truss

Pad

128645, 128651, A61B 316

Patent

active

055469418

ABSTRACT:
An improved tenometer provides for a bellows and a stepper motor to pressurize the interior of a probe in the barrel into which the probe is fitted for moving the probe outward towards a patient's eye. The device also includes a laser for improved centering of the patient's eye over the eye piece, and a safety detection device for terminating operation of the tenometer if the probe fails to move along the barrel after a given amount of pressure is applied to the interior of the barrel and the probe. A rotatable occluder near the head rest for blocking the eye not being tested and a computer in the instrument records the eye being tested and the test results.

REFERENCES:
patent: 3756073 (1973-09-01), Lavallee
patent: 3832890 (1974-09-01), Grolman
patent: 3889518 (1975-06-01), Denouter
patent: 4951671 (1990-08-01), Coan
patent: 5070875 (1991-12-01), Falck et al.
patent: 5100227 (1992-03-01), Winocur
patent: 5190042 (1993-03-01), Hock
patent: 5203331 (1993-04-01), Draeger
IEEE Transactions on Biomedical Engineering-Instrument for Self-Measurement.
Archives of Ophthalmology, Evaluation of Self Tonometer for Home Use.
Archives of Ophthalmology, Application of a Self-Tonometer to Home Tonometry.
Archives of Ophthalmology, Self Tonometry to Manage Patients with Glaucoma.
Ophthalmology, Presence and Rapid Decline of Early Morning Intraocular Pressure.

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