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Title: Implantable device for in-vivo intracranial and cerebrospinal fluid pressure monitoring

Abstract

The present invention relates to a completely implantable intracranial pressure monitor, which can couple to existing fluid shunting systems as well as other internal monitoring probes. The implant sensor produces an analog data signal which is then converted electronically to a digital pulse by generation of a spreading code signal and then transmitted to a location outside the patient by a radio-frequency transmitter to an external receiver. The implanted device can receive power from an internal source as well as an inductive external source. Remote control of the implant is also provided by a control receiver which passes commands from an external source to the implant system logic. Alarm parameters can be programmed into the device which are capable of producing an audible or visual alarm signal. The utility of the monitor can be greatly expanded by using multiple pressure sensors simultaneously or by combining sensors of various physiological types.

Inventors:
 [1];  [2];  [3];  [4]
+ Show Inventor Affiliations
  1. Knoxville, TN
  2. Greenback, TN
  3. London, TN
  4. Clinton, TN
Issue Date:
Research Org.:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
OSTI Identifier:
875109
Patent Number(s):
6533733
Assignee:
UT-Battelle, LLC (Oak Ridge, TN)
Patent Classifications (CPCs):
A - HUMAN NECESSITIES A61 - MEDICAL OR VETERINARY SCIENCE A61B - DIAGNOSIS
A - HUMAN NECESSITIES A61 - MEDICAL OR VETERINARY SCIENCE A61M - DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
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DOE Contract Number:  
AC05-96OR22464
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
implantable; device; in-vivo; intracranial; cerebrospinal; fluid; pressure; monitoring; relates; completely; monitor; couple; existing; shunting; systems; internal; probes; implant; sensor; produces; analog; data; signal; converted; electronically; digital; pulse; generation; spreading; code; transmitted; location; outside; patient; radio-frequency; transmitter; external; receiver; implanted; receive; power; source; inductive; remote; control; provided; passes; commands; logic; alarm; parameters; programmed; capable; producing; audible; visual; utility; greatly; expanded; multiple; sensors; simultaneously; combining; physiological; types; data signal; /600/

Citation Formats

Ericson, Milton N, McKnight, Timothy E, Smith, Stephen F, and Hylton, James O. Implantable device for in-vivo intracranial and cerebrospinal fluid pressure monitoring. United States: N. p., 2003. Web.
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Ericson, Milton N, McKnight, Timothy E, Smith, Stephen F, & Hylton, James O. Implantable device for in-vivo intracranial and cerebrospinal fluid pressure monitoring. United States.
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Ericson, Milton N, McKnight, Timothy E, Smith, Stephen F, and Hylton, James O. Wed . "Implantable device for in-vivo intracranial and cerebrospinal fluid pressure monitoring". United States. https://www.osti.gov/servlets/purl/875109.
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@article{osti_875109,
title = {Implantable device for in-vivo intracranial and cerebrospinal fluid pressure monitoring},
author = {Ericson, Milton N and McKnight, Timothy E and Smith, Stephen F and Hylton, James O},
abstractNote = {The present invention relates to a completely implantable intracranial pressure monitor, which can couple to existing fluid shunting systems as well as other internal monitoring probes. The implant sensor produces an analog data signal which is then converted electronically to a digital pulse by generation of a spreading code signal and then transmitted to a location outside the patient by a radio-frequency transmitter to an external receiver. The implanted device can receive power from an internal source as well as an inductive external source. Remote control of the implant is also provided by a control receiver which passes commands from an external source to the implant system logic. Alarm parameters can be programmed into the device which are capable of producing an audible or visual alarm signal. The utility of the monitor can be greatly expanded by using multiple pressure sensors simultaneously or by combining sensors of various physiological types.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Wed Jan 01 00:00:00 EST 2003},
month = {Wed Jan 01 00:00:00 EST 2003}
}
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Works referenced in this record:

Characterization of a planar microcoil for implantable microsystems
journal, July 1997

Study and development of a portable telemetric intracranial pressure measurement unit
conference, January 1997

  • Flick, B. B.; Orglmeister, R.; Berger, J. -M.
  • Proceedings of the 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. 'Magnificent Milestones and Emerging Opportunities in Medical Engineering' (Cat. No.97CH36136)
  • https://doi.org/10.1109/IEMBS.1997.756507

Intracranial Pressure Monitoring with the Fiberoptic Transducer in Children
journal, January 1980

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