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Title: US6110110: Apparatus and method for monitoring intraocular and blood pressure by non-contact contour measurement
[ Derwent Title ]


Country: US United States of America

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32 pages

 
Inventor: Dublin, Jr., Wilbur Leslie; Georgetown, TX 78628
Dublin, Lois G.; Georgetown, TX 78628
Nieman, Richard E.; Austin, TX 78731
Nieman, Randall E.; Austin, TX 78731

Assignee: None

Published / Filed: 2000-08-29 / 1998-09-22

Application Number: US1998000158669

IPC Code: Advanced: A61B 3/16; A61B 5/022;
Core: more...
IPC-7: A61B 3/16;

ECLA Code: A61B5/021; A61B3/16B;

U.S. Class: Current: 600/405; 600/398;
Original: 600/405; 600/398;

Field of Search: 600/405,401,398,399,400 128/645,652,649

Priority Number:
1998-09-22  US1998000158669
1993-08-04  US1993000102968

Abstract:     The present invention describes apparatus and methods for long-term, repeatable measurement of pressure in vessels by measuring distortion signatures of the external surfaces of a vessel through calibration against a known and verifiable reference standard. It is particularly useful for measuring intraocular pressure, pressure in blood vessels and other physiological pressures. It is also adaptable for measuring pressure changes in virtually any vessel whose external surface is deformable such that pressure changes are transduced to the external surface of the confining vessel, as exemplified by process piping.

Attorney, Agent or Firm: Williams, Morgan & Amerson ;

Primary / Asst. Examiners: Hindenburg, Max; Szmal, Brian

Maintenance Status: R1 Reinstated

INPADOC Legal Status: Show legal status actions          Buy Now: Family Legal Status Report

       
Related Applications:
Application Number Filed Patent Pub. Date  Title
US1993000102968 1993-08-04    1998-09-22  Apparatus and method for monitoring intraocular and blood pressure by non-contact contour measurement


       
Parent Case:     The present application is a continuation-in-part of U.S. patent application Ser. No. 08/102,968 filed Aug. 4, 1993, now issued as U.S. Pat. No. 5,810,005 on Sep. 22, 1998. The entire text of the above-referenced disclosure is specifically incorporated by reference herein without disclaimer.

Designated Country: AM AP BB BG BR BY CN CZ FI GE HU KE KG KP KR KZ LK LT LV MD MG MN  AT BE CH DE DK ES FR GB GR IE IT LI LU MC 

Family: Show 10 known family members

First Claim:
Show all 21 claims
What is claimed is:     1. A system for measuring pressure in a vessel having a pressure deformable surface, the system comprising:
  • a light beam emitter means for emitting a coherent light beam impinging directly upon the vessel surface without surface distortion, resulting in a light beam reflected from the vessel surface;
  • a light beam detector spaced relative to the emitter for detecting the light beam reflected from the vessel surface; and,
  • a signal processor means for determining changes in the pressure deformable surface of the vessel as a function of changes in the reflected light beam's position on the detector.


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Description: Show description

Forward References: Show 19 U.S. patent(s) that reference this one

       
U.S. References: Go to Result Set: All U.S. references   |  Forward references (19)   |   Backward references (134)   |   Citation Link

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Foreign References:
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Publication Date IPC Code Assignee   Title
Buy PDF SU1560192 1990-04  A61F 9/00 MO AVIATSIONNYJ I IM.SERGO ORDZHONIKIDZE METHOD OF CONTACTLESS MEASURING OF INTRAOCULAR PRESSURE 


Other Abstract Info: DERABS G1995-090647 DERABS G2000-532379 DERABS G2000-532379

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