Robert J Ceisel

US Patent:

7517148, Apr 14, 2009

Filed:

Mar 28, 2007

Appl. No.:

11/692899

Inventors:

Robert J. Ceisel - Glenview IL, US
Emily M. Ceisel - Glenview IL, US

International Classification:

A61B 6/14
A61C 5/12

US Classification:

378191, 378168, 378169, 378170, 433139

Abstract:

A dental device includes a housing unit for removably holding sensor film and a tooth clamp disposed on the housing unit. The tooth clamp consists of first and second resilient arcuate bridges. Each of the first and second bridge has a first and second end. The first end of the first bridge and the first end of the second bridge are interconnected to one jaw of a pair of oppositely disposed jaws. The second end of the first bridge and the second end of the second bridge are interconnected to the other jaw of the pair of oppositely disposed jaws. Each of the oppositely disposed jaws includes a gripping plate, an aperture and a tab for engaging a flexible sheet.

US Patent:

49041843, Feb 27, 1990

Filed:

Jan 17, 1989

Appl. No.:

7/296989

Inventors:

Gordon J. Murphy - Glenview IL
Robert J. Ceisel - Glenview IL

International Classification:

A61C 1904

US Classification:

433 72

Abstract:

A periodontal probe instrument for measuring the depth of a periodontal pocket in the gingiva adjacent a tooth includes a probe handle member in which a displacement sensor and a probe element are mounted. The probe element includes an external end and is disposed adjacent and parallel to the displacement sensor. A tip of the displacement sensor is aligned with the external end of the probe element in a first reference position. A pressure transducer is mounted in the handle member for generating a first output signal indicative of the magnitude of the force applied. A displacement transducer is mounted in the handle member for constantly encoding the displacement of the tip of the displacement sensor as it is moved from the first position to a second position to generate a second output signal indicative of the depth of the periodontal pocket. A comparator circuit is provided for generating a logic signal only when the first output signal is in the range between a low threshold signal and a high threshold signal. An indicator is responsive to the logic signal to produce an indication to generate an actuation signal.