CA2539261A1 - Implantable wireless sensor - Google Patents
Implantable wireless sensor Download PDFInfo
- Publication number
- CA2539261A1 CA2539261A1 CA002539261A CA2539261A CA2539261A1 CA 2539261 A1 CA2539261 A1 CA 2539261A1 CA 002539261 A CA002539261 A CA 002539261A CA 2539261 A CA2539261 A CA 2539261A CA 2539261 A1 CA2539261 A1 CA 2539261A1
- Authority
- CA
- Canada
- Prior art keywords
- sensor
- inductor coil
- substrates
- inductor
- physical property
- 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.)
- Granted
Links
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/02007—Evaluating blood vessel condition, e.g. elasticity, compliance
- A61B5/02014—Determining aneurysm
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
- A61B5/0031—Implanted circuitry
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/07—Endoradiosondes
- A61B5/076—Permanent implantations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49016—Antenna or wave energy "plumbing" making
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49069—Data storage inductor or core
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49071—Electromagnet, transformer or inductor by winding or coiling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49073—Electromagnet, transformer or inductor by assembling coil and core
Abstract
The progress of a endovascular aneurysm repair can be monitored by inserting a pressure transducer sensor using a catheter into the sac during endovascular aneurysm repair and then using a small, hand-held read out device to measure pressure easily, safely, inexpensively and accurately. In one aspect a sensor is introduced into the body by the steps of loading the sensor into a catheter, and deploying into the aneurysm sac. This invention also has other applications for measuring physical properties in patients or in other sites.
Claims (25)
1. A sensor for wirelessly determining a physical property, which sensor comprises:
a self-contained resonant circuit comprising a capacitor and an inductor, and two substrates, at least one of which substrates has a recess therein, wherein the circuit is variable in response to the physical property and wherein the substrates are hermetically sealed together.
a self-contained resonant circuit comprising a capacitor and an inductor, and two substrates, at least one of which substrates has a recess therein, wherein the circuit is variable in response to the physical property and wherein the substrates are hermetically sealed together.
2. The sensor of Claim 1, wherein the hermetically sealed substrates form a pressure sensitive chamber.
3. The sensor of Claim 1, wherein the substrates are comprised of glass, fused silica, sapphire, quartz, or silicone.
4. The sensor of Claim 3, wherein the substrates are comprised of fused silica.
5. The sensor of Claim 1, wherein the physical property is pressure.
6. The sensor of Claim 1, wherein there are no conductive connections or via holes to provide a direct physical conduit or connection between an upper inductor coil and a lower inductor coil.
7. The sensor of Claim 1, wherein each substrate has an inductor coil arranged therein in planar fashion.
8. The sensor of Claim 7, wherein the inductor coil of one substrate is in a plane parallel to the plane of the inductor coil in the second substrate.
9. The sensor of Claim 8, wherein the inductor coils are coextensive.
10. The sensor of Claim 1, wherein the inductor coil of the substrate with a recess is positioned in the recess.
11. The sensor of Claim 10, wherein each substrate has a recess and an inductor coil is positioned in each recess.
12. The sensor of Claim 1, wherein the inductor comprises to inductor coils and each inductor coil is a wire spiral.
13. The sensor of Claim 12, wherein each wire spiral is formed by electrodeposition.
14. The sensor of Claim 1, wherein the sensor is from about 0.5 in. to about 1 in. in length and from about 0.1 in. to about 0.5 in. in width.
15. The sensor of Claim 14, wherein the sensor has a thickness of from about 0.05 in. to about 0.30 in.
16. The sensor of Claim 1, wherein a stabilizer is arranged around the sensor.
17. The sensor of Claim 16, wherein the stabilizer stabilizes position, location, and/or orientation.
18. The sensor of Claim 16, wherein the stabilizer is a metal basket arranged around the outer surface of the sensor.
19. The sensor of Claim 1, wherein the physical property is measured in a patient.
20. A system for delivering a sensor, which comprises a sensor of Claim 1 and a delivery guidewire or catheter.
21. The system of Claim 21, wherein the sensor is removable from the guidewire or catheter.
22. The system of Claim 21, wherein the sensor is removably attached to the guidewire or catheter.
23. The system of Claim 21 which also comprises an instrument for measuring signals from the sensor.
24. A method for measuring a physical property which comprises the steps of inserting a sensor of Claim 1 into a desired location and then measuring any signals generated by said sensor.
25. The method of Claim 24, wherein a physical property in a patient is measured.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US50374503P | 2003-09-16 | 2003-09-16 | |
US60/503,745 | 2003-09-16 | ||
PCT/US2004/030727 WO2005027998A2 (en) | 2003-09-16 | 2004-09-16 | Implantable wireless sensor |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2539261A1 true CA2539261A1 (en) | 2005-03-31 |
CA2539261C CA2539261C (en) | 2011-05-17 |
Family
ID=34375390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2539261A Active CA2539261C (en) | 2003-09-16 | 2004-09-16 | Implantable wireless sensor |
Country Status (5)
Country | Link |
---|---|
US (3) | US20050187482A1 (en) |
EP (1) | EP1677852A4 (en) |
AU (3) | AU2004274005A1 (en) |
CA (1) | CA2539261C (en) |
WO (1) | WO2005027998A2 (en) |
Cited By (3)
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US8870787B2 (en) | 2003-09-16 | 2014-10-28 | Cardiomems, Inc. | Ventricular shunt system and method |
US8896324B2 (en) | 2003-09-16 | 2014-11-25 | Cardiomems, Inc. | System, apparatus, and method for in-vivo assessment of relative position of an implant |
US9265428B2 (en) | 2003-09-16 | 2016-02-23 | St. Jude Medical Luxembourg Holdings Ii S.A.R.L. (“Sjm Lux Ii”) | Implantable wireless sensor |
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CN101562351B (en) | 2008-04-16 | 2012-06-20 | 鸿富锦精密工业(深圳)有限公司 | Portable type electronic device |
US20140084943A1 (en) * | 2012-09-21 | 2014-03-27 | Cardiomems, Inc. | Strain monitoring system and apparatus |
-
2004
- 2004-09-16 EP EP04788841A patent/EP1677852A4/en not_active Withdrawn
- 2004-09-16 WO PCT/US2004/030727 patent/WO2005027998A2/en active Application Filing
- 2004-09-16 US US10/943,772 patent/US20050187482A1/en not_active Abandoned
- 2004-09-16 CA CA2539261A patent/CA2539261C/en active Active
- 2004-09-16 AU AU2004274005A patent/AU2004274005A1/en not_active Abandoned
-
2006
- 2006-06-22 US US11/472,905 patent/US7574792B2/en not_active Expired - Fee Related
-
2008
- 2008-07-18 US US12/175,803 patent/US9265428B2/en active Active
-
2009
- 2009-05-01 AU AU2009201750A patent/AU2009201750A1/en not_active Abandoned
- 2009-05-01 AU AU2009201749A patent/AU2009201749A1/en not_active Abandoned
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8870787B2 (en) | 2003-09-16 | 2014-10-28 | Cardiomems, Inc. | Ventricular shunt system and method |
US8896324B2 (en) | 2003-09-16 | 2014-11-25 | Cardiomems, Inc. | System, apparatus, and method for in-vivo assessment of relative position of an implant |
US9265428B2 (en) | 2003-09-16 | 2016-02-23 | St. Jude Medical Luxembourg Holdings Ii S.A.R.L. (“Sjm Lux Ii”) | Implantable wireless sensor |
Also Published As
Publication number | Publication date |
---|---|
WO2005027998A2 (en) | 2005-03-31 |
US20050187482A1 (en) | 2005-08-25 |
US20060235310A1 (en) | 2006-10-19 |
AU2009201749A1 (en) | 2009-05-28 |
US20090030291A1 (en) | 2009-01-29 |
US9265428B2 (en) | 2016-02-23 |
WO2005027998A3 (en) | 2006-09-21 |
CA2539261C (en) | 2011-05-17 |
AU2004274005A1 (en) | 2005-03-31 |
US7574792B2 (en) | 2009-08-18 |
EP1677852A4 (en) | 2009-06-24 |
AU2009201750A1 (en) | 2009-05-28 |
EP1677852A2 (en) | 2006-07-12 |
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