JPS6462123A - Apparatus for measuring palatal motion - Google Patents

Apparatus for measuring palatal motion

Info

Publication number
JPS6462123A
JPS6462123A JP62217410A JP21741087A JPS6462123A JP S6462123 A JPS6462123 A JP S6462123A JP 62217410 A JP62217410 A JP 62217410A JP 21741087 A JP21741087 A JP 21741087A JP S6462123 A JPS6462123 A JP S6462123A
Authority
JP
Japan
Prior art keywords
lever
palatal
motion
shaking
nasal cavity
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP62217410A
Other languages
Japanese (ja)
Inventor
Toshiyuki Horiguchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NAGASHIMA IKA KIKAI KK
NAGASHIMA MEDICAL INSTR
Original Assignee
NAGASHIMA IKA KIKAI KK
NAGASHIMA MEDICAL INSTR
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 NAGASHIMA IKA KIKAI KK, NAGASHIMA MEDICAL INSTR filed Critical NAGASHIMA IKA KIKAI KK
Priority to JP62217410A priority Critical patent/JPS6462123A/en
Publication of JPS6462123A publication Critical patent/JPS6462123A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To easily measure the up-and-down motion of the palatal within a short time, by transmitting the shaking of the internal lever brought into contact with the nasal cavity surface of the palatal to an external lever and measuring the movement of said external lever. CONSTITUTION:A support tubular body 1 is inserted in the nasal cavity and fixed to the head of an examinee 2 so that a revolving fulcrum 4 is positioned at the rear end of the hard palatal 25 in such a state that an internal lever 6 is lightly brought into contact with the nasal cavity surface of the soft plate 5. When the examinee 26 emits sound in this state, the soft palatal 5 performs up-and-down motion. Whereupon, the internal lever 6 shakes and this shaking is transmitted to a push rod 8 as advance and retraction motion and further transmitted to an external lever 11 which in turn performs shaking motion. The positional relation of the reference light emitting element 18 at the revolving fulcrum 10 of the lever 11 and the light emitting element 19 at the leading end of the lever 11 is detected by an optical sensor 21 and operated by a microcomputer 21 and a motion state is displayed on an oscilloscope 22 in a real time and recorded on a data recorder 23.
JP62217410A 1987-08-31 1987-08-31 Apparatus for measuring palatal motion Pending JPS6462123A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62217410A JPS6462123A (en) 1987-08-31 1987-08-31 Apparatus for measuring palatal motion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62217410A JPS6462123A (en) 1987-08-31 1987-08-31 Apparatus for measuring palatal motion

Publications (1)

Publication Number Publication Date
JPS6462123A true JPS6462123A (en) 1989-03-08

Family

ID=16703765

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62217410A Pending JPS6462123A (en) 1987-08-31 1987-08-31 Apparatus for measuring palatal motion

Country Status (1)

Country Link
JP (1) JPS6462123A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6272466B1 (en) 1997-03-04 2001-08-07 Fuji Xerox Co., Ltd Speech detection apparatus using specularly reflected light

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6272466B1 (en) 1997-03-04 2001-08-07 Fuji Xerox Co., Ltd Speech detection apparatus using specularly reflected light

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