BR112017022027A2 - instrumento óptico - Google Patents

instrumento óptico

Info

Publication number
BR112017022027A2
BR112017022027A2 BR112017022027A BR112017022027A BR112017022027A2 BR 112017022027 A2 BR112017022027 A2 BR 112017022027A2 BR 112017022027 A BR112017022027 A BR 112017022027A BR 112017022027 A BR112017022027 A BR 112017022027A BR 112017022027 A2 BR112017022027 A2 BR 112017022027A2
Authority
BR
Brazil
Prior art keywords
curvature
central portion
corneal
contact surface
sign
Prior art date
Application number
BR112017022027A
Other languages
English (en)
Inventor
J Mccafferty Sean
Original Assignee
Cats Tonometer Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cats Tonometer Llc filed Critical Cats Tonometer Llc
Publication of BR112017022027A2 publication Critical patent/BR112017022027A2/pt

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/16Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring intraocular pressure, e.g. tonometers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0082Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/03Detecting, measuring or recording fluid pressure within the body other than blood pressure, e.g. cerebral pressure; Measuring pressure in body tissues or organs
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/04Constructional details of apparatus
    • A61B2560/0406Constructional details of apparatus specially shaped apparatus housings

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Physics & Mathematics (AREA)
  • Public Health (AREA)
  • Pathology (AREA)
  • Ophthalmology & Optometry (AREA)
  • Hematology (AREA)
  • Eye Examination Apparatus (AREA)

Abstract

dispositivo oftalmológico incluindo uma ponta de tonômetro de aplainação com uma superfície de contato com a córnea bicurva estruturada para minimizar o estresse intracorneal, e método de uso de tal dispositivo para a medição da pressão intraocular. a superfície de contato com a córnea inclui uma primeira porção central e uma segunda porção que circunda e é adjacente à primeira porção central. as curvaturas da primeira e segunda porções têm sinais opostos. em um caso, a primeira porção central pode ter simetria de rotação. em um caso relacionado, a primeira porção tem uma curvatura com um sinal oposto àquele de uma curvatura de uma córnea típica, enquanto a curvatura da segunda porção tem um sinal igual ao da curvatura da córnea. método para usar o dispositivo para adquirir valores pio com precisão aumentada quando comparada com o uso de uma ponta de tonômetro convencional de superfície plana.
BR112017022027A 2015-04-15 2015-08-27 instrumento óptico BR112017022027A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201562148048P 2015-04-15 2015-04-15
PCT/US2015/047134 WO2016167827A1 (en) 2015-04-15 2015-08-27 Optical instrument

Publications (1)

Publication Number Publication Date
BR112017022027A2 true BR112017022027A2 (pt) 2018-07-03

Family

ID=54066222

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017022027A BR112017022027A2 (pt) 2015-04-15 2015-08-27 instrumento óptico

Country Status (10)

Country Link
US (1) US20180303341A1 (pt)
EP (1) EP3282926A1 (pt)
JP (1) JP2018516722A (pt)
KR (1) KR20170139063A (pt)
CN (1) CN107529984A (pt)
AU (1) AU2015390959A1 (pt)
BR (1) BR112017022027A2 (pt)
CA (1) CA2981941A1 (pt)
MX (1) MX2017013155A (pt)
WO (1) WO2016167827A1 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11026576B2 (en) 2015-04-15 2021-06-08 Cats Tonometer, Llc Reducing errors of tonometric measurements by using a tonometer tip with a curved cornea-contacting surface
ES2662697B1 (es) * 2016-10-03 2019-05-06 Alvarez Maria Iglesias Tonometro de aplanacion
WO2019118410A1 (en) * 2017-12-12 2019-06-20 Cats Tonometer, Llc Reducing errors of optical measurements of internal pressure of a body performed with an optical member in contact with the body
US20220015631A1 (en) * 2020-07-17 2022-01-20 Reichert, Inc. Single-use contact tip for tonometer
WO2023023167A2 (en) 2021-08-19 2023-02-23 Cats Tonometer, Llc Transducer probes for ophthalmological instruments and uses thereof

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB862920A (en) * 1957-06-29 1961-03-15 Haag Streit A G Improvements in apparatus for measuring the intraocular or tonometric pressure of aneye
NL7408214A (en) * 1974-06-19 1975-12-23 Arend Hagedoorn Apollolaan 129 Human eye-pressure measuring equipment - has additional membrane with micrometer pressure adjustment for tonometer chamber
US4523597A (en) * 1982-12-29 1985-06-18 Minolta Camera Kabushiki Kaisha Apparatus and method for measuring the intraocular pressure of an eyeball and auxiliary device for using therewith
US5619289A (en) * 1993-03-31 1997-04-08 Permeable Technologies, Inc. Multifocal contact lens
JP2003111732A (ja) * 2001-10-08 2003-04-15 Reiko Segawa 接触式圧平眼圧測定方法及び眼圧計
EP2397068B1 (de) * 2010-06-21 2020-05-27 Oculus Optikgeräte GmbH Analyse des intraokularen Drucks
US9078612B2 (en) * 2011-12-02 2015-07-14 Third Eye Diagnostics, Inc. Devices and methods for noninvasive measurement of intracranial pressure
US9585578B2 (en) * 2011-12-02 2017-03-07 Third Eye Diagnostics, Inc. Devices and methods for noninvasive measurement of intracranial pressure
US10463251B2 (en) * 2012-09-10 2019-11-05 Cats Tonometer, Llc Ophthalmological instrument

Also Published As

Publication number Publication date
KR20170139063A (ko) 2017-12-18
EP3282926A1 (en) 2018-02-21
WO2016167827A1 (en) 2016-10-20
MX2017013155A (es) 2018-04-24
AU2015390959A1 (en) 2017-10-26
CN107529984A (zh) 2018-01-02
CA2981941A1 (en) 2016-10-20
US20180303341A1 (en) 2018-10-25
JP2018516722A (ja) 2018-06-28

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal acc. article 33 of ipl - extension of time limit for request of examination expired