Systems and methods for transferring fluid to or from a subject use a set of MRI compatible components that can aspirate intrabody structure and/or fluids. The components include a device guide (50), a semi-rigid guide sheath configured to slidably extend through the device guide, a stylet releasable coupled to the guide sheath and extending a fixed distance out of a distal end thereof, and a cannula coupled to flexible tubing (140) that is releasably interchangeably held in the guide sheath in lieu of the stylet.
A61B 90/11 - Instruments, outillage ou accessoires spécialement adaptés à la chirurgie ou au diagnostic non couverts par l'un des groupes , p. ex. pour le traitement de la luxation ou pour la protection de bords de blessures pour la chirurgie stéréotaxique, p. ex. système stéréotaxique à cadre avec des guides pour aiguilles ou instruments, p. ex. des glissières courbes ou des articulations à rotule
A61M 1/00 - Dispositifs de succion ou de pompage à usage médicalDispositifs pour retirer, traiter ou transporter les liquides du corpsSystèmes de drainage
A61B 90/10 - Instruments, outillage ou accessoires spécialement adaptés à la chirurgie ou au diagnostic non couverts par l'un des groupes , p. ex. pour le traitement de la luxation ou pour la protection de bords de blessures pour la chirurgie stéréotaxique, p. ex. système stéréotaxique à cadre
A trajectory frame/guide assembly for use with surgical navigation systems includes a base having a patient access aperture formed therein. A yoke is mounted to the base and is rotatable about a roll axis. A platform is mounted to the yoke and is rotatable about a pitch axis and interchangeably holds a single lumen or multi-lumen guide array and a device guide. No x-y actuators are required and a virtual guide array may also or alternatively be used to identify a desired open channel in the device guide for the preferred trajectory path.
A61B 90/11 - Instruments, outillage ou accessoires spécialement adaptés à la chirurgie ou au diagnostic non couverts par l'un des groupes , p. ex. pour le traitement de la luxation ou pour la protection de bords de blessures pour la chirurgie stéréotaxique, p. ex. système stéréotaxique à cadre avec des guides pour aiguilles ou instruments, p. ex. des glissières courbes ou des articulations à rotule
Devices for transferring fluid to or from a subject include an elongate tubular cannula having opposing proximal and distal ends with an axially extending lumen. The devices also include an elongate needle having opposing proximal and distal ends. The elongate needle is configured so that the distal end of the needle extends out of the distal end of the cannula a suitable adjustable distance. The devices also include a housing with a length adjustment mechanism that adjusts a length between the tip of the needle and the distal end of the tubular cannula.
Boston Scientific Neuromodulation Corporation (USA)
MRI Interventions, Inc. (USA)
Inventeur(s)
Bottomley, Paul A.
Karmarkar, Parag V.
Allen, Justin M.
Edelstein, William A.
Abrégé
RF/MRI compatible leads include at least one conductor that turns back on itself at least twice in a lengthwise direction, and can turn back on itself at least twice at multiple locations along its length. The at least one electrical lead can be configured so that the lead heats local tissue less than about 10 degrees Celsius (typically about 5 degrees Celsius or less) or does not heat local tissue when a patient is exposed to target RF frequencies at a peak input SAR of at least about 4 W/kg and/or a whole body average SAR of at least about 2 W/kg. Related devices and methods of fabricating leads are also described.
A61B 5/055 - Détection, mesure ou enregistrement pour établir un diagnostic au moyen de courants électriques ou de champs magnétiquesMesure utilisant des micro-ondes ou des ondes radio faisant intervenir la résonance magnétique nucléaire [RMN] ou électronique [RME], p. ex. formation d'images par résonance magnétique
A61B 90/00 - Instruments, outillage ou accessoires spécialement adaptés à la chirurgie ou au diagnostic non couverts par l'un des groupes , p. ex. pour le traitement de la luxation ou pour la protection de bords de blessures
Boston Scientific Neuromodulation Corporation (USA)
MRI Interventions, Inc. (USA)
Inventeur(s)
Bottomley, Paul A.
Karmarkar, Parag V.
Allen, Justin M.
Edelstein, William A.
Piferi, Peter
Gore, Brian
Abrégé
MRI/RF compatible leads include at least one conductor, a respective conductor having at least one segment with a multi-layer stacked coil configuration. The lead can be configured so that the lead heats local tissue less than about 10 degrees Celsius (typically about 5 degrees Celsius or less) or does not heat local tissue when a patient is exposed to target RF frequencies at a peak input SAR of at least about 4 W/kg and/or a whole body average SAR of at least about 2 W/kg. Related leads and methods of fabricating leads are also described.
B29C 33/12 - Moules ou noyauxLeurs détails ou accessoires comportant des moyens incorporés pour positionner des inserts, p. ex. marquages
G01N 3/32 - Recherche des propriétés mécaniques des matériaux solides par application d'une contrainte mécanique en appliquant des efforts répétés ou pulsatoires
Image guided surgical systems have a trajectory frame which removably secures different components for providing a desired intrabody trajectory, including one or more of an optical or EM tracking/navigation probe, and a UI and circuit configured to provide a navigation system with a registration of physical surgical space to imaging space using an optical and/or EM navigation and related markers or fiducials.
A61B 19/00 - Instruments, outillage ou accessoires pour la chirurgie ou le diagnostic non couverts par l'un des groupes A61B 1/00-A61B 18/00, p.ex. pour stéréotaxie, opération aseptique, traitement de la luxation, protecteurs des bords des blessures(masques de protection du visage A41D 13/11; blouses de chirurgien ou vêtements pour malades A41D 13/12; dispositifs pour retirer, traiter ou transporter les liquides du corps A61M 1/00)
A61B 5/055 - Détection, mesure ou enregistrement pour établir un diagnostic au moyen de courants électriques ou de champs magnétiquesMesure utilisant des micro-ondes ou des ondes radio faisant intervenir la résonance magnétique nucléaire [RMN] ou électronique [RME], p. ex. formation d'images par résonance magnétique
9.
PROTECTIVE COVERS FOR RF COILS AND RELATED RF COILS, ASSEMBLIES AND METHODS
Protective covers that are particularly suitable for flexible RF coils include self-sticking, releasably peelable layers of film having one sticky/tacky inner surface and one non-sticky/non-tacky smooth (outer) surface.
A61B 19/02 - Boîtiers ou étuis protecteurs pour appareils ou pour instruments, p.ex. boîtes ou étuis stériles; Tables ou armoires pour instruments; Sacs de docteur
A61B 5/055 - Détection, mesure ou enregistrement pour établir un diagnostic au moyen de courants électriques ou de champs magnétiquesMesure utilisant des micro-ondes ou des ondes radio faisant intervenir la résonance magnétique nucléaire [RMN] ou électronique [RME], p. ex. formation d'images par résonance magnétique
G01R 33/28 - Détails des appareils prévus dans les groupes
An MRI-guided interventional system for use with a patient and an interventional device includes a base, a trajectory guide frame, and a mounting device. The base is configured to be secured to a body of the patient. The trajectory guide frame includes a targeting cannula. The targeting cannula has an elongate guide bore extending axially therethrough, defining a trajectory axis, and being configured to guide placement of the interventional device. The trajectory guide frame is operable to move the targeting cannula relative to the base to position the trajectory axis to a desired intrabody trajectory to guide placement of the interventional device in vivo. A plurality of patient engagement structures are provided on the base and are configured to penetrate tissue of the body and to space the base apart from the tissue. The system further includes a plurality of fasteners configured to secure the base to the body.
A61B 19/00 - Instruments, outillage ou accessoires pour la chirurgie ou le diagnostic non couverts par l'un des groupes A61B 1/00-A61B 18/00, p.ex. pour stéréotaxie, opération aseptique, traitement de la luxation, protecteurs des bords des blessures(masques de protection du visage A41D 13/11; blouses de chirurgien ou vêtements pour malades A41D 13/12; dispositifs pour retirer, traiter ou transporter les liquides du corps A61M 1/00)
A61B 17/02 - Instruments, dispositifs ou procédés chirurgicaux pour maintenir les blessures ouvertes, p. ex. rétracteursÉcarteurs
An MRI-compatible base is configured to support an MRI-compatible head support frame. The base is configured to be secured to a gantry associated with an MRI scanner, and to extend across a width of the gantry. The base allows the head support frame to be moved to any of a plurality of locations across the width of the gantry, and allows the head support frame to rotate about two orthogonal axes so as to be positioned at any of a plurality of angles relative to the gantry.
A61B 5/055 - Détection, mesure ou enregistrement pour établir un diagnostic au moyen de courants électriques ou de champs magnétiquesMesure utilisant des micro-ondes ou des ondes radio faisant intervenir la résonance magnétique nucléaire [RMN] ou électronique [RME], p. ex. formation d'images par résonance magnétique
12.
MRI COMPATIBLE SURGICAL DRILLS AND RELATED METHODS
A surgical, manually operated, hand-held MRI-compatible drill for drilling though target bone of a patient includes: a housing; a ring gear held in the housing; a hand crank attached to ring gear and the housing; a pinion gear held in the housing in cooperating alignment with the ring gear; an elongate shaft attached to the pinion on one end portion and to a chuck support on an opposing end portion; a chuck attached to the chuck support held; and jaws attached to the chuck support and residing in the chuck adapted to hold a drill bit. The drill is light-weight. The components can all be polymeric.
A61B 19/02 - Boîtiers ou étuis protecteurs pour appareils ou pour instruments, p.ex. boîtes ou étuis stériles; Tables ou armoires pour instruments; Sacs de docteur
Boston Scientific Neuromodulation Corporation (USA)
MRI Interventions, Inc. (USA)
Inventeur(s)
Atalar, Ergin
Allen, Justin
Bottomley, Paul
Edelstein, William
Karmarkar, Parag V.
Abrégé
Some embodiments are directed to MRI/RF compatible medical interventional devices. A plurality of spaced apart high impedance circuit segments are configured to have a high impedance at a high range of radiofrequencies and a low impedance at a low range of frequencies. The high impedance circuit segments may comprise co-wound coiled inductors and can reduce, block or inhibit RJ-transmission along the lead system (20) during exposure to RF associated with a high-Held magnet MRI systems, while permuting passage of low frequency physiologic signals, treatments and/or stimuli. The devices can include at least one electrode.
Boston Scientific Neuromodulation Corporation (USA)
MRI Interventions, Inc. (USA)
Inventeur(s)
Atalar, Ergin
Ferhanoglu, Onur
Abrégé
A lead for an electronic device which resists the induction of a current from an electromagnetic field external to said lead includes one or more pairs of adjacent segments of electrical wire, each of the pairs including a first segment of electrical wire and a second segment of electrical wire. The lead also includes one or more shielded RF chokes, wherein each of the shielded RF chokes is provided between the first segment of electrical wire and the second segment of electrical wire of a respective one of the one or more pairs of adjacent segments. Also, an implantable device that includes a generator for generating one or more electrical pulse and a lead as described for delivering the pulses to tissue within a patient's body. A method for making the described implantable device is also provided.
The disclosure describes RF enclosures configured to mount to an existing waveguide channel in an RF shielded wall of an MRI suite using a tubular waveguide that can be slidably inserted into the existing channel. The tubular waveguide can electrically and mechanically couple to the existing waveguide channel to provide an electrical ground.
A61B 5/055 - Détection, mesure ou enregistrement pour établir un diagnostic au moyen de courants électriques ou de champs magnétiquesMesure utilisant des micro-ondes ou des ondes radio faisant intervenir la résonance magnétique nucléaire [RMN] ou électronique [RME], p. ex. formation d'images par résonance magnétique
An MRI-compatible catheter reduces localized heating due to MR scanner-induced currents and includes a shaft having opposite distal and proximal end portions. One or more RF tracking coils are positioned adjacent the distal end portion and each includes a conductive lead that electrically connects the RF tracking coil to an MRI scanner. Each lead includes a series of back and forth segments along its length. The catheter includes one or more sensing electrodes at the shaft distal end portion, each electrically connected to a resistor having high impedance. A sheath surrounds a portion of the elongated shaft and includes at least one RF shield coaxially disposed therewithin. Each RF shield includes elongated inner and outer conductors and an elongated dielectric layer of MRI compatible material sandwiched between the inner and outer conductors. The inner and outer conductors are electrically connected at one end and electrically isolated at an opposite end.
A61M 25/095 - Dispositions pour permettre la détection de la position interne du cathéter, p. ex. à l'aide d'une radiographie
A61B 5/055 - Détection, mesure ou enregistrement pour établir un diagnostic au moyen de courants électriques ou de champs magnétiquesMesure utilisant des micro-ondes ou des ondes radio faisant intervenir la résonance magnétique nucléaire [RMN] ou électronique [RME], p. ex. formation d'images par résonance magnétique
A61B 18/12 - Instruments, dispositifs ou procédés chirurgicaux pour transférer des formes non mécaniques d'énergie vers le corps ou à partir de celui-ci par chauffage en faisant passer des courants à travers les tissus à chauffer, p. ex. des courants à haute fréquence
An RF shield for medical interventional devices includes elongated inner and outer conductive tubes, and an elongated dielectric layer of MRI compatible material sandwiched between the inner and outer conductive tubes and surrounding the inner conductor. The inner and outer conductive tubes are electrically connected to each other at only one of the adjacent end portions thereof. The opposite respective end portions are electrically isolated from each other.
A61B 5/055 - Détection, mesure ou enregistrement pour établir un diagnostic au moyen de courants électriques ou de champs magnétiquesMesure utilisant des micro-ondes ou des ondes radio faisant intervenir la résonance magnétique nucléaire [RMN] ou électronique [RME], p. ex. formation d'images par résonance magnétique
G01R 33/36 - Détails électriques, p. ex. adaptations ou couplage de la bobine au récepteur
Boston Scientific Neuromodulation Corporation (USA)
MRI Interventions, Inc. (USA)
Inventeur(s)
Atalar, Ergin
Allen, Justin
Bottomley, Paul
Eldelstein, William
Karmarkar, Parag V.
Abrégé
Some embodiments are directed to MRI/RF compatible medical interventional devices. A plurality of spaced apart high impedance circuit segments are configured to have a high impedance at a high range of radiofrequencies and a low impedance at a low range of frequencies. The high impedance circuit segments may comprise co-wound coiled inductors and can reduce, block or inhibit RJ-transmission along the lead system (20) during exposure to RF associated with a high-Held magnet MRI systems, while permuting passage of low frequency physiologic signals, treatments and/or stimuli. The devices can include at least one electrode.
A cannula for transferring a substance to and/or from a patient includes a tubular support sleeve and a transfer tube. The support sleeve includes a rigid tubular member defining a lumen extending from a proximal end to a distal end of the tubular member. The transfer tube is positioned in the lumen and extends beyond each of the proximal end and the distal end of the tubular member. The tubular member includes a rigid, MRI-compatible material.
A61B 19/00 - Instruments, outillage ou accessoires pour la chirurgie ou le diagnostic non couverts par l'un des groupes A61B 1/00-A61B 18/00, p.ex. pour stéréotaxie, opération aseptique, traitement de la luxation, protecteurs des bords des blessures(masques de protection du visage A41D 13/11; blouses de chirurgien ou vêtements pour malades A41D 13/12; dispositifs pour retirer, traiter ou transporter les liquides du corps A61M 1/00)
A61B 5/055 - Détection, mesure ou enregistrement pour établir un diagnostic au moyen de courants électriques ou de champs magnétiquesMesure utilisant des micro-ondes ou des ondes radio faisant intervenir la résonance magnétique nucléaire [RMN] ou électronique [RME], p. ex. formation d'images par résonance magnétique
A61B 1/04 - Instruments pour procéder à l'examen médical de l'intérieur des cavités ou des conduits du corps par inspection visuelle ou photographique, p. ex. endoscopesDispositions pour l'éclairage dans ces instruments combinés avec des dispositifs photographiques ou de télévision
20.
Electrical lead for an electronic device such as an implantable device
A lead for an electronic device which resists the induction of a current from an electromagnetic field external to said lead includes one or more pairs of adjacent segments of electrical wire, each of the pairs including a first segment of electrical wire and a second segment of electrical wire. The lead also includes one or more shielded RF chokes, wherein each of the shielded RF chokes is provided between the first segment of electrical wire and the second segment of electrical wire of a respective one of the one or more pairs of adjacent segments. Also, an implantable device that includes a generator for generating one or more electrical pulse and a lead as described for delivering the pulses to tissue within a patient's body. A method for making the described implantable device is also provided.
A head fixation assembly includes a head fixation frame, a plurality of upper head fixation members, a plurality of lower head fixation members, and at least one drive mechanism. The head fixation frame includes a pair of upwardly extending spaced-apart arms defining a free space therebetween. At least one upper head fixation member extends from each of the respective arms of the head fixation frame, with each upper head fixation member adjustable relative to the head fixation frame and adapted to engage a patient's head within the free space of the head fixation frame. The lower head fixation members extend from the head fixation frame between the pair of arms, with each member adjustable relative to the head fixation frame and adapted to engage an underside of the patient's head within the free space of the head fixation frame. The at least one drive mechanism is in communication with the lower head fixation members, and is externally accessible so as to allow a user to be able to directly or indirectly advance and/or retract the lower head fixation members while the patient's head resides in the free space of the head fixation frame.
A61B 5/055 - Détection, mesure ou enregistrement pour établir un diagnostic au moyen de courants électriques ou de champs magnétiquesMesure utilisant des micro-ondes ou des ondes radio faisant intervenir la résonance magnétique nucléaire [RMN] ou électronique [RME], p. ex. formation d'images par résonance magnétique
22.
MRI-COMPATIBLE ARTICULATING ARMS AND RELATED SYSTEMS AND METHODS
A61B 5/055 - Détection, mesure ou enregistrement pour établir un diagnostic au moyen de courants électriques ou de champs magnétiquesMesure utilisant des micro-ondes ou des ondes radio faisant intervenir la résonance magnétique nucléaire [RMN] ou électronique [RME], p. ex. formation d'images par résonance magnétique
Some embodiments are directed to MRI/RF compatible medical interventional devices. A plurality of spaced apart high impedance circuit segments are configured to have a high impedance at a high range of radiofrequencies and a low impedance at a low range of frequencies The high impedance circuit segments may comprise co-wound coiled inductors and can reduce, block or inhibit RJ-transmission along the lead system (20) during exposure to RF associated with a high-Held magnet MRI systems, while permuting passage of low frequency physiologic signals, treatments and/or stimuli The devices can include at least one electrode.
MRI/RF compatible leads include at least one conductor, a respective conductor having at least one segment with a multi-layer stacked coil configuration. The lead can be configured so that the lead heats local tissue less than about 10 degrees Celsius (typically about 5 degrees Celsius or less) or does not heat local tissue when a patient is exposed to target RF frequencies at a peak input SAR of at least about 4 W/kg and/or a whole body average SAR of at least about 2 W/kg. Related leads and methods of fabricating leads are also described.
B29C 33/12 - Moules ou noyauxLeurs détails ou accessoires comportant des moyens incorporés pour positionner des inserts, p. ex. marquages
G01N 3/32 - Recherche des propriétés mécaniques des matériaux solides par application d'une contrainte mécanique en appliquant des efforts répétés ou pulsatoires
A61N 1/08 - Aménagements ou circuits de surveillance, de protection, de commande ou d'indication
RF/MRI compatible leads include at least one conductor that turns back on itself at least twice in a lengthwise direction, and can turn back on itself at least twice at multiple locations along its length. The at least one electrical lead can be configured so that the lead heats local tissue less than about 10 degrees Celsius (typically about 5 degrees Celsius or less) or does not heat local tissue when a patient is exposed to target RF frequencies at a peak input SAR of at least about 4 W/kg and/or a whole body average SAR of at least about 2W/kg. Related devices and methods of fabricating leads are also described.
BOSTON SCIENTIFIC NEUROMODULATION CORPORATION (USA)
MRI INTERVENTIONS, INC. (USA)
Inventeur(s)
Bottomley, Paul A.
Karmarkar, Parag V.
Allen, Justin M.
Edelstein, William A.
Piferi, Peter
Gore, Brian
Abrégé
MRI/RF compatible leads include at least one conductor, a respective conductor having at least one segment with a multi-layer stacked coil configuration. The lead can be configured so that the lead heats local tissue less than about 10 degrees Celsius (typically about 5 degrees Celsius or less) or does not heat local tissue when a patient is exposed to target RF frequencies at a peak input SAR of at least about 4 W/kg and/or a whole body average SAR of at least about 2W/kg. Related leads and methods of fabricating leads are also described.
A61N 1/05 - Électrodes à implanter ou à introduire dans le corps, p. ex. électrode cardiaque
A61N 1/16 - Filtrage ou neutralisation des influences indésirables en provenance des radiations ou champs terrestres ou atmosphériques
B29C 33/12 - Moules ou noyauxLeurs détails ou accessoires comportant des moyens incorporés pour positionner des inserts, p. ex. marquages
B29C 39/18 - Moulage par coulée, c.-à-d. en introduisant la matière à mouler dans un moule ou entre des surfaces enveloppantes sans pression significative de moulageAppareils à cet effet pour la fabrication d'objets de longueur indéfinie en incorporant des parties ou des couches préformées, p. ex. coulée autour d'inserts ou sur des objets à recouvrir
G01N 3/32 - Recherche des propriétés mécaniques des matériaux solides par application d'une contrainte mécanique en appliquant des efforts répétés ou pulsatoires
H01B 7/04 - Câbles, conducteurs ou cordons flexibles, p. ex. câbles traînants
BOSTON SCIENTIFIC NEUROMODULATION CORPORATION (USA)
MRI INTERVENTIONS, INC. (USA)
Inventeur(s)
Bottomley, Paul A.
Karmarkar, Parag V.
Allen, Justin M.
Edelstein, William A.
Abrégé
RF/MRI compatible leads include at least one conductor that turns back on itself at least twice in a lengthwise direction, and can turn back on itself at least twice at multiple locations along its length. The at least one electrical lead can be configured so that the lead heats local tissue less than about 10 degrees Celsius (typically about 5 degrees Celsius or less) or does not heat local tissue when a patient is exposed to target RF frequencies at a peak input SAR of at least about 4 W/kg and/or a whole body average SAR of at least about 2 W/kg. Related devices and methods of fabricating leads are also described.
BOSTON SCIENTIFIC NEUROMODULATION CORPORATION (USA)
MRI INTERVENTIONS, INC. (USA)
Inventeur(s)
Atalar, Ergin
Allen, Justin
Bottomley, Paul
Edelstein, William
Karmarkar, Parag V.
Abrégé
Some embodiments are directed to MRI/RF compatible medical interventional devices. A plurality of spaced apart high impedance circuit segments are configured to have a high impedance at a high range of radiofrequencies and a low impedance at a low range of frequencies The high impedance circuit segments may comprise co-wound coiled inductors and can reduce, block or inhibit RJ- transmission along the lead system (20) during exposure to RF associated with a high-Held magnet MRI systems, while permuting passage of low frequency physiologic signals, treatments and/or stimuli The devices can include at least one electrode
BOSTON SCIENTIFIC NEUROMODULATION CORPORATION (USA)
MRI INTERVENTIONS, INC. (USA)
Inventeur(s)
Atalar, Ergin
Ferhanoglu, Onur
Abrégé
A lead for an electronic device which resists the induction of a current from an electromagnetic field external to said lead includes one or more pairs of adjacent segments of electrical wire, each of the pairs including a first segment of electrical wire and a second segment of electrical wire. The lead also includes one or more shielded RF chokes, wherein each of the shielded RF chokes is provided between the first segment of electrical wire and the second segment of electrical wire of a respective one of the one or more pairs of adjacent segments. Also, an implantable device that includes a generator for generating one or more electrical pulse and a lead as described for delivering the pulses to tissue within a patient's body. A method for making the described implantable device is also provided.
In vivo deep brain medical probe systems include: (a) an MRI compatible cannula comprising a plurality of concentric axially extending tubes with a receiving bore; and (b) an elongate antenna member with a conductor and an insulating layer configured to slidably advance through cannula bore to define an MRI receive antenna.
