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1. WO1996040366 - APPARATUS AND METHOD FOR THE CONTROL OF AN IMPLANTABLE DEVICE

Publication Number WO/1996/040366
Publication Date 19.12.1996
International Application No. PCT/US1996/008226
International Filing Date 31.05.1996
Chapter 2 Demand Filed 20.12.1996
IPC
A61F 2/02 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
2Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
02Prostheses implantable into the body
A61N 1/372 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
1Electrotherapy; Circuits therefor
18Applying electric currents by contact electrodes
32alternating or intermittent currents
36for stimulation, e.g. heart pace-makers
372Arrangements in connection with the implantation of stimulators
CPC
A61F 2250/0002
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
2250Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
0001Means for transferring electromagnetic energy to implants
0002for data transfer
A61N 1/3718
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
1Electrotherapy; Circuits therefor
18Applying electric currents by contact electrodes
32alternating or intermittent currents
36for stimulation
362Heart stimulators
37Monitoring; Protecting
3718Monitoring of or protection against external electromagnetic fields or currents
A61N 1/37217
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
1Electrotherapy; Circuits therefor
18Applying electric currents by contact electrodes
32alternating or intermittent currents
36for stimulation
372Arrangements in connection with the implantation of stimulators
37211Means for communicating with stimulators
37217characterised by the communication link, e.g. acoustic or tactile
Applicants
  • INTERMEDICS, INC. [US]/[US]
Inventors
  • PAUL, Patrick, J.
  • PRUTCHI, David
  • GENZER, David, G.
Agents
  • MERKLING, John, R.
Priority Data
08/475,49107.06.1995US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) APPARATUS AND METHOD FOR THE CONTROL OF AN IMPLANTABLE DEVICE
(FR) APPAREIL ET PROCEDE DE COMMANDE POUR DISPOSITIF IMPLANTABLE
Abstract
(EN)
An implantable medical device (10) includes a giant magnetoresistance ratio (GMR) sensor (74) used to detect the presence of a magnet (124) in order to command the device to enter a predetermined mode of operation. The GMR responds to a modulated magnetic field generated by the programming of a command transmitter apparatus (120) for non-invasive programming or controlling of the implanted device. The present invention also monitors for the presence of a steady magnetic field (126) to place the implanted device in a known, safe mode.
(FR)
Dispositif implantable à usage médical (10) comprenant un capteur (74) de rapport géant de magnétorésistance (GMR) utilisé pour détecter la présence d'un aimant (124) afin de commander le dispositif de sorte qu'il fonctionne selon un mode déterminé. Le GMR est sensible à un champ magnétique modulé créé par la programmation d'un appareil (120) émetteur d'instructions pour une programmation ou une commande non invasive du dispositif implanté. Ledit dispositif peut également détecter la présence d'un champ magnétique constant (126) afin de faire fonctionner le dispositif implanté selon un mode connu dans lequel la sécurité est assurée.
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