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1. WO2020223433 - IMAGING PROBE WITH FLUID PRESSURIZATION ELEMENT

Publication Number WO/2020/223433
Publication Date 05.11.2020
International Application No. PCT/US2020/030616
International Filing Date 30.04.2020
IPC
A61B 1/07 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
1Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
06with illuminating arrangements
07using light-conductive means, e.g. optical fibres
A61B 5/36
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes; Identification of persons
24Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
316Modalities, i.e. specific diagnostic methods
318Heart-related electrical modalities, e.g. electrocardiography
346Analysis of electrocardiograms
349Detecting specific parameters of the electrocardiograph cycle
36Detecting PQ interval, PR interval or QT interval
A61B 1/01 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
1Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
005Flexible endoscopes
01Guiding arrangements therefor
A61B 5/1473 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes; Identification of persons
145Measuring characteristics of blood in vivo, e.g. gas concentration, pH-value
1468using chemical or electrochemical methods, e.g. by polarographic means
1473invasive, e.g. introduced into the body by a catheter
A61M 25/09 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
25Catheters; Hollow probes
01Introducing, guiding, advancing, emplacing or holding catheters
09Guide wires
CPC
A61B 1/00172
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
1Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes
00163Optical arrangements
00172with means for scanning
A61B 1/015
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
1Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes
012characterised by internal passages or accessories therefor
015Control of fluid supply or evacuation
A61B 1/12
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
1Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes
12with cooling or rinsing arrangements
A61B 1/3137
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
1Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes
313for introducing through surgical openings, e.g. laparoscopes
3137for examination of the interior of blood vessels
A61B 5/0066
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes
0059using light, e.g. diagnosis by transillumination, diascopy, fluorescence
0062Arrangements for scanning
0066Optical coherence imaging
A61B 5/0084
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes
0059using light, e.g. diagnosis by transillumination, diascopy, fluorescence
0082adapted for particular medical purposes
0084for introduction into the body, e.g. by catheters
Applicants
  • GENTUITY, LLC [US]/[US]
Inventors
  • DOUK, Nareak
  • UGHI, Giovanni J.
  • PETROFF, Christopher C.
  • PETERSEN, Christopher L.
  • BATTLES, Christopher A.
  • FLAHERTY, R. Maxwell
  • FLAHERTY, J. Christopher
Agents
  • ONELLO, Anthony P., Jr.
  • MELLO, David M.
  • DEWAR, Leah S.
  • COLLINS, Timothy P.
  • WIEGAND, James W.
  • SILVERSTEIN, David
Priority Data
62/840,45030.04.2019US
62/850,94521.05.2019US
62/906,35326.09.2019US
63/017,25829.04.2020US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) IMAGING PROBE WITH FLUID PRESSURIZATION ELEMENT
(FR) SONDE D'IMAGERIE DOTÉE D'UN ÉLÉMENT DE MISE SOUS PRESSION DE FLUIDE
Abstract
(EN) An imaging system for a patient comprises an imaging probe. The imaging probe comprises: an elongate shaft for insertion into the patient and comprising a proximal end, a distal portion, and a lumen extending between the proximal end and the distal portion; a rotatable optical core comprising a proximal end and a distal end, and at least a portion of the rotatable optical core is positioned within the lumen of the elongate shaft; an optical assembly positioned proximate the distal end of the rotatable optical core, the optical assembly configured to direct light to tissue and collect reflected light from the tissue; a damping fluid positioned between the elongate shaft and the rotatable optical core and configured to reduce non-uniform rotation of the optical assembly; and a fluid pressurization element configured to increase the pressure of the damping fluid to reduce the presence of bubbles proximate the optical assembly.
(FR) L'invention concerne un système d'imagerie pour un patient comprenant une sonde d'imagerie. La sonde d'imagerie comprend : une tige allongée destinée à être insérée dans un patient et comprenant une extrémité proximale, une partie distale et une lumière s'étendant entre l'extrémité proximale et la partie distale ; un noyau optique rotatif comprenant une extrémité proximale et une extrémité distale, et au moins une partie du noyau optique rotatif étant positionnée à l'intérieur de la lumière de l'arbre allongé ; un ensemble optique positionné à proximité de l'extrémité distale du noyau optique rotatif, l'ensemble optique étant conçu pour diriger la lumière vers un tissu et collecter la lumière réfléchie à partir du tissu ; un fluide d'amortissement positionné entre l'arbre allongé et le noyau optique rotatif et conçu pour réduire la rotation non uniforme de l'ensemble optique ; et un élément de mise sous pression de fluide conçu pour augmenter la pression du fluide d'amortissement afin de réduire la présence de bulles à proximité de l'ensemble optique.
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