Opitcal-acoustic imaging device

15 Pages·2015·1.4 MB·English

USOO8926519B2
(12) United States Patent
(10) Patent N0.: US 8,926,519 B2
Vardi et a]. (45) Date of Patent: *Jan. 6, 2015
(54) OPITCAL-ACOUSTIC IMAGING DEVICE 600/437i472, 585; 128/916
(75) Inventors: Gil M. Vardi’ Town & Country, MO See apphcation ?le for complete search h1story.
(US); Victor Spivak, Kiriat Bialik (IL); (56) References Cited
Evgeni Spivak, legal representative,
B erlin (DE) US. PATENT DOCUMENTS
(73) Assignee: Vascular Imaging Corporation, 4,068,191 A * 1/1978 Zemon et a1. ................... .. 385/1
Rancho Cordova’ CA (Us) 4,076,379 A 2/1978 Chouinard
( * ) Notice: Subject to any disclaimer, the term of this (continued)
patent is extended or adjusted under 35 FOREIGN PATENT DOCUMENTS
U.S.C. 154(b) by 1066 days.
This patent is subject to a terminal dis- CA 2472877 72003
Clailner~ DE 2363984 Al ' 6 1975
(21) Appl. No.: 12/020,736 (commued)
(22) Filed: Jan. 28, 2008 OTHER PUBLICATIONS
(65) Prior Publication Data “European Search Report for corresponding European Application
No. EP 05 02 4287”, (Dec. 16, 2005), 3 pgs.
US 2008/0119739 A1 May 22, 2008
(Continued)
Related US. Application Data Primary Examiner i Long V Le
(63) Continuation of application No. 10/ 685,226, ?led on Assistant Examiner * Bo J Peng
OCR 14, 2003, HOW Pat- N0~ 7,527,594, WhiCh is a (74) Attorney, Agent, or Firm *Schwegman Lundberg &
(Continued) Woessner, P.A.
(51) Int. Cl. (57) ABSTRACT
A61B 8/14 (2006.01) The present invention is a guide Wire imaging device for
A613 5/00 (200601) vascular or non-vascular imaging utilizing optic acoustical
methods, Which device has a ro?le of less than 1 mm in
(continued) diameter. The ultrasound imaging device of the invention
(52) U-s- Cl- comprises a single mode optical ?ber With at least one Bragg
CPC ~~~~~~ ~~ G01H 9/004 (201301); A613 2019/5217 grating, and a piezoelectric or piezo-ceramic jacket, Which
(2013-01); A613 5/009 7 (201301); A613 8/12 device may achieve omnidirectional (360°) imaging. The
(2013-01); A613 5/0095 (201301); A613 imaging guide Wire of the invention can function as a guide
2 01 702042 (2013-01) Wire for vascular interventions, can enable real time imaging
USPC ......... .. 600/463; 600/407; 600/585; 600/437; during balloon in?ation, and Stem deployment, thus will pr0_
600/472 vide clinical information that is not available When catheter
(58) Field Of ClaSSI?eation seareh based imaging systems are used. The device of the invention
CPC .... .. A6113 5/0095; A6113 5/0097; A6113 8/12; may enable shortened total procedure times, including the
A6113 2017/22042; A6113 2019/5217; G01H ?uoroscopy time, Will also reduce radiation exposure to the
9/004 patient and to the operator.
USPC ......... .. 385/1, 7, 37, 70, 89; 359/305; 367/11,
367/189; 398/141; 606/15; 600/407, 27 Claims, 5 Drawing Sheets
ELECTRICAL
GENERATOR
s
TUNABLE % PDVF QACKE T
APERTURES
SINGLE MODE SET OF STRENGTH MEMBER
ELECTRONIC OPTICAL BRAGG 51
INSTRUMENTS FIBER GRATINGS
9 2 8
US 8,926,519 B2
Page 2
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US. Patent Jan. 6, 2015 Sheet 1 0f5 US 8,926,519 B2
FIG. 1
STRENGTH MEMBER SH EATH
5 4
JACKET
CLADDING
2
CORE
1
ELECTRICAL GENERATOR ' 2
s
k“.
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CLADDING 32 31
CORE / I ' l
1 \ \
US. Patent Jan. 6, 2015 Sheet 2 0f5 US 8,926,519 B2
FIG. 3
CORE CLADDING BRAGG GRATING
LASER 1 2 8
7
\ 1 w \\\\\\\\\\\X\\\\\\\\\\\n\\i\ 1 D
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A
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ELEC. ONIC
INSTRUMENTS
9
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TRANSMITTED ELECTRlCAL
BRAGG GRATING ELECTRODES
ELECTRICAL GENERATOR 8
s 32
IMPULSE
10 PVDF
LASER 3.1
7
:IZJOUT
A
ELECTRONIC'C) RECEIVED ULTRASOUND IMPULSESi
INSTRUMENTS RECEIVED $ 1 $ $ $ 14 $ l l l l
9 ELECTRONIC TRANSMITTED ULTRASOUND IMPULSES
IMPULSES 12
11
US. Patent Jan. 6, 2015 Sheet 3 015 US 8,926,519 B2
ELECTRICAL
$3?ngng GENERATOR BRAGG GRATING ELECTRODES
IMPULSE 6 32
1° 1 ‘ L I PDVF
TUNABLE PERT R AX 31
LASER ‘ 151
4r-+.
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INSTRUMENTS RECEIVED II II ‘ T ‘ ‘ ‘14” & ¢ ‘ ‘ II 1}
9 ELECTRONlC TRAN SMITTED ULTRASOUND IMPULSES
IMPULSES 12
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ELECTRONIC TRANSMITTED ULTRASOUND IMPULSES
IMPULSES 12
11

US. Patent Jan. 6, 2015 Sheet 5 0f5 US 8,926,519 B2
STRENGTH MEMBER
!2
FIG. 10
FILLER ELECTRODES PVDF
16 SILICA BEADS
21
BRAGG GRKHNG
m
FlG. 1 1 SILICA BEADS
22
FIG. 12
RBS n
ZS
FIG. 13
STRENGTH MEMBER LENSE
51 17