Biotronik Se Co. Kg

Biotronik Crm Patent Ag

Vascomed Gmbh

Stefan Knorr

Ingo Weiss

Michael Friedrich

Michelle Maxfield

Marc Steffen Schurr

René Fischer

Stephan Fandrey

Gernot Kolberg

Klaus Bartels

Hartmut Lenski

Timo Frenzel

Wolfgang Geistert

Michael Diebold

Jens Rump

Heinrich Buessing

Andreas Bitzer

Ralf Kaufmann

Kerstin Taeubert

Erik Trip

Kerstin Teaubert

Kevin Boomsma

Andreas Kiefer

Kerstin Täubert

Heinrich Büssing

Rump Jens

Michelle Maxfiled

An implantable medical device including at least one elongate electrical line with a first electrical component as a functional conductor, and at least one second electrical component with an electrical length. The first electrical component includes a proximal end and a distal end, wherein the distal side is in electrical contact with tissue or blood. The first electrical component is in electrical contact with the at least one second electrical component, and wherein the electrical length of the at least one second component corresponds to at least a tenth of a wavelength (&#x3bb;/10) of electromagnetic waves in a radiofrequency range.

Implantable device

A catheter comprising an elongated and axially rigid catheter body which has a distal end and a proximal end in respect of an operating position, wherein a movable and/or deformable protection element or a corresponding protection section of the catheter body, which is provided with predetermined motion or deformation resistance, is disposed on the distal end, and transducer elements of a converter device for converting displacement into a non-mechanical quantity are provided in a stationary manner on the protection element or protection section, and corresponding pick-up elements of the converter device are provided on the catheter body, or vice versa, and wherein the catheter body comprises a lead for transmitting a measurement signal generated by the converter device to the proximal end, and a measuring connector on the proximal end.

Catheter and catheter system

A signal line for an implantable electromedical configuration, having an electric line segment or line end and a mechanoelectric converter for converting an electric AC voltage signal into a mechanical oscillation. The oscillation can in turn be converted back into an electrical signal for delivery to a part of a human or mammal body, e.g., a heart.

Signal line of an implantable electromedical configuration

A catheter with an elongated catheter body which, with regard to a position of use, has a distal and a proximal end, wherein at the distal end, a sponge- or cushion-like elastic deformation body is arranged which has, in particular, electrically, mechanically or optically acting measuring means or a measuring connection for detecting a pressing force exerted on the deformation body.

Catheter and catheter arrangement

An irrigation catheter device, in particular an ablation catheter, including a catheter body in which a central lumen extends from a proximal region into a distal region, wherein a large number of irrigation channels extend away from the lumen, the outlet openings of which out of the catheter body are distributed across the distal end region thereof, wherein sensors are assigned to the central lumen and/or the individual irrigation channels for pressure measurement and/or to measure the flow velocity, to which evaluation means are connected, which are designed to determine the open or closed state of a portion of the irrigation channels on the basis of measured values registered by the sensors.

Irrigation catheter device and ablation system

An implantable line having an elongated line body, a function conductor extending in the longitudinal direction of the line body, acting to implement a medical function of the line, whereby in addition to the function conductor, a field decoupling conductor which extends over at least a section of the length of the line body essentially parallel to the function conductor is provided, thereby reducing the coupling of the function conductor to an external field.

Device for reducing the fault susceptibility of elongated implants

An adaptation probe for insertion into implanted electrode devices of active medical implants to enable them for use in high-frequency magnetic alternating fields of MRI systems comprises an elongated, flexible probe body, and at least one electrical assembly, which has one or more electrical components connected to an interface, in the probe body, and which can be electrically connected to a supply lead of the electrode device such that the electrically properties of the electrode device can be adapted, in particular the frequency-dependent resistance, impedance, capacitance, or inductance thereof.

Adaptation probe for insertion into implanted electrode devices of active medical implants and set composed of an implantable electrode device and an adaptation probe

A device that can be temporarily introduced in a body or permanently implanted in a body comprising at least one elongated electric function conductor for transmitting treatment signals or diagnostic signals, or both, and further comprising a connector, which is connected to the function conductor and disposed on a proximal end of the function conductor, for connecting the device to a further device. Characteristic impedance is present between the function conductor and at least one further conductor. A transition region from the function conductor to the connector is designed such that a characteristic impedance between the function conductor and the further conductor in the transition region is designed to be between the corresponding characteristic impedance of the device in a line section distal of the transition region and the characteristic impedance present proximal of the transition region when the connector is connected to a further device.

An electrode device for active medical implants that includes an elongated electrode body having a proximal end and a distal end, a tip contact pole on the distal end and/or a ring contact pole before the distal end, electrical supply leads to the tip and ring contact poles, and a high-frequency filter in at least one of the supply leads, which is composed of one or more electronic components () and is assigned to the tip and/or ring contact pole, wherein the electronic component(s) () are each designed as a miniature component using LTCC technology.

Electrode device for active medical implant

Implantable medical device having elongated electric line(s) with function conductors, which are respectively multi-stranded and connected to respective function electrode pole(s) to deliver treatment/record diagnostic signals, wherein a first function conductor has a first strand, which, in the course of the longitudinal extension of the first function conductor in first longitudinal section(s) has a first coupling with a second function conductor suitable for coupling electromagnetic radio-frequency waves guided in the second function conductor at least in part in the first strand(s) of the first function conductor, and wherein the first strand(s) in the course of the longitudinal extension of the first function conductor in second longitudinal section(s) has a second coupling with second strand(s) of the first function conductor, suitable for coupling electromagnetic radio-frequency waves guided in the at least one first strand at least in part in the at least one second strand of the first function conductor.

Implantable electrode line device for reducing undesirable effects of electromagnetic fields

An implantable medical device having at least one functional lead which extends longitudinally, wherein the functional lead is connected to an electrode pole for the purpose of discharging therapeutic signals or detecting diagnostic signals, wherein the functional lead has a current limiting device in one longitudinal section, wherein the current limiting device has a first and a second current limiter which are switched in parallel, and wherein each current limiter is configured to prevent electrical current in the electrical lead from exceeding a pre-specified maximum value.

A field decoupling element for use with an implantable line with an elongated line body and a function conductor which extends in the longitudinal direction of the line body and acts to implement a medical function of the line, such that the field decoupling element is in electric contact with the function conductor in the use state connected to the line and reduces coupling of the function conductor to an external field.

Field decoupling element for use with an implantable line and implantable medical device

An active medical implant, in particular a medical electronic device having a power supply which has a mechanical vibrator or rotor which is induced to vibrate and/or rotate by movements of the patient wearing the implant and/or external excitation and is energetically connected to an electronic consumer and/or an energy storage mechanism, such that a portion of the kinetic energy generated by the vibration and/or rotation is input into the consumer and/or energy storage mechanism.

Active medical implant

Electrode device for active medical implants with an elongated electrode body () having a proximal end and a distal end (), a tip contact pole () on the distal end (), at least one ring contact pole () before the distal end (), electrical supply leads () to the tip and ring contact pole (), and a high-frequency filter () before the distal end (), which has electrical contact to the tip contact pole () and is connected to the supply lead () thereof.

Electrode device for active medical implants

An electrode unit for carrying current or voltage between an implantable electromedical device and a treatment and/or diagnosis site in the human body comprises at least one current-/voltage-carrying feed line () and at least one electric contact pole to the body part. The feed line () is associated with at least one section () having frequency-dependent transmission behavior, wherein this at least one frequency-dependent transmission section () at least partially filters out therapeutically and/or diagnostically undesirable signals in at least one defined frequency range.

Growing community of inventors

Berlin, Germany

Stefan Knorr