828 results about "Implanted device" patented technology

Systems and methods for predicting and managing seizures in an individual are disclosed. In one aspect, a method for predicting and managing seizures in an individual. In another aspect, a system comprising an implanted device configured to capture at least one measurement of an impedance of brain tissue of an individual and a computing device configured to. in response to a prediction that the individual is likely to experience a seizure, initiate a remedial action that comprises at least one of alerting the individual or another user that the individual is likely to experience the seizure, applying an electrical stimulus to the brain tissue of the individual to reduce a likelihood of the seizure occurring or to reduce a severity of the seizure, or delivering a drug to the brain tissue of the individual to reduce a likelihood of the seizure occurring or to reduce a severity of the seizure.

An extravascular nerve cuff that is configured to hold a leadless, integral, implantable microstimulator. The nerve cuff may include a cuff body having a pocket or pouch for removably receiving the implantable device within. The nerve cuff can be secured around the nerve such that the electrodes of the device are stably positioned relative to the nerve. Furthermore, the nerve cuff drives the majority of the current from the stimulation device into the nerve, while shielding surrounding tissues from unwanted stimulation.

Delivery systems for placing an implantable cardiac device at a native comprising a delivery catheter and an attachment assembly. The delivery catheter can include a proximal portion and a distal portion, and the attachment assembly can be at the distal portion of the delivery catheter. The attachment assembly can include arm pairs in which individual arm pairs include a first arm with connector and a second arm with a retainer. Each first arm extends along a corresponding second arm, and the first arm and / or the second arm in each arm pair moves relative to the other from a locked position to a released position. In the locked position, the retainer interfaces with the connector to maintain engagement between the implantable device and the connector. In the released position, the retainer is positioned relative to the connector such that the implantable device can disengage the connector.

Described herein are systems, devices, and methods for delivering enhanced stimulation to provide therapy for a patient. A neurostimulation system may include an implantable stimulation device, a base station, and an external device. The external device may include a first antenna for communicating with the implantable device, and a second antenna for receiving power from the base station. Additionally, the external device may have one or more shielding layers between the first and second antennae. A method for reprogramming a neurostimulation system may include receiving data at a base station via a remote connection, transferring the data from the base station to an external device via a location connection, and instructing an implantable stimulation device to stimulation tissue of a patient using the data.

A system includes a wearable device and an implantable device. The wearable device includes one or more signal transmitters and is configured to be positioned adjacent to or in contact with a human or animal body. The implantable device includes a signal receiver and is configured to be implanted onto or within the human or animal body. The one or more signal transmitters of the wearable device are configured to transmit the signals through the human or animal body to the signal receiver of the implanted device via a galvanic coupling operable using electro-quasistatic signal transmission. The system also includes a capacitive element positioned on an electrical current flow path of the galvanic coupling between at least one of the one or more signal transmitters and the signal receiver.

Disclosed herein are devices for mechanically removing clot and / or other material from implants implanted in the vasculature of a patient, and associated systems and methods. In some embodiments, a system for removing clot material from an implant—such as a stent—includes a clot treatment device configured to be deployed within the stent, a handle, and a first elongate member and a second elongate member coupling the clot treatment device to the handle. The first elongate member couples a first end portion of the clot treatment device to the handle, and the second elongate member couples a second end portion of the clot treatment device to an actuator of the handle. Actuation of the actuator is configured to move the second elongate member relative to the first elongate member to move the first and second end portions toward one another to radially expand the clot treatment device.

An implantable device to be positioned within a heart valve, using a delivery system comprising catheters. The device can include leaflet anchors for attaching to valve leaflets. One or more tethers can be slackened to allow the anchors to move relatively apart and / or relatively away from a spacer. The one or more tethers can be pulled to move the anchors closer to one another or and / or closer to the spacer.

A method of retrieving a previously implanted device from a native valve of a patient's heart includes attaching the retrieval device to the previously implanted device. An actuation member can engage the previously implanted device to move the previously implanted device from a closed configuration to an open configuration. A clasp capturing member can attach to a clasp of the previously implanted device.

A sacroiliac fusion implant device assembly has an implant body and a pair of bone fasteners. The implant body has a distal end and a proximal end with a longitudinal axis extending between a center of the distal end and a center of the proximal end. The distal end has cutting edges configured to cut tissue as the implant is pressed into a joint between a sacrum and an ilium. The proximal end has two bone fastener receiving apertures, each configured to receive a bone fastener and the implant body has a pair of sidewalls connecting the distal and proximal ends. The pair of bone fasteners can be a pair of threaded fasteners, or a pair of spike fasteners or a combination of one threaded fastener and one spike fastener.

An expandable interbody with a modular endplate has an outer column, an inner column threadedly coupled and translatable relative to the outer column along the longitudinal axis, and an expansion ring to adjust a body length of the expandable interbody. The expansion ring has a plurality of teeth, and the outer column has at least one arm for engaging a tooth of the plurality of teeth to lock the expansion ring. The inner column and / or outer column can include a connector for connection to a modular endplate that has a substantially hollow core. The modular endplate includes a plate with a set screw entrapped therein. The modular endplate has an aperture to receive the connector of the inner and / or outer column.

Systems and methods for delivering a device for regulating blood pressure across a patient's atrial septum are provided. The delivery apparatus may include a first catheter, a hub having one or more engagers disposed thereon, the one or more engagers configured to releasably engage with a first expandable end of the shunt in a contracted delivery state within a lumen of a sheath, and an second catheter extending through a center lumen of the first catheter and the hub, wherein the first catheter, the hub, and the second catheter are independently moveable relative to the sheath. The inventive devices may reduce left atrial pressure and left ventricular end diastolic pressure, increase cardiac output, increase ejection fraction, relieve pulmonary congestion, and lower pulmonary artery pressure, among other benefits. The inventive devices also may be used to treat subjects having heart failure, pulmonary congestion, or myocardial infarction, among other pathologies.

Disclosed are systems and methods for assessment, management, and treatment of congestion in heart failure. The systems and methods may include or relate to wireless implants, reader modules, and uses thereof, which are configured to measure hemodynamic parameters of a patient in different patient states and positions. For example, the reader module may be hands free. For example, the reader module may be used at home by a patient. The reader module may be able to take readings and measurements when the patient is in a multitude of positions, including but not limited to, the supine and the prone positions. The reader module may be able to communicate and receive data from an implanted device when in a certain proximity of the implanted device and may be able to store, analyze, and / or transmit data to a different wireless device over a network, for example. In an embodiment, the reader module may be portable and wearable, e.g., through use of a garment or strap.

A spinal implant device is provided comprising a body structure with a central cavity and a movable lid configured to cover the central cavity. The movable lid is configured to be opened to pack a material in the central cavity. The movable lid can be connected to the body structure with a moveable joint. The spinal implant device can include a compressible feature. A method for treating the spine is provided comprising opening a movable lid of a spinal implant device, packing a material in a central cavity of a spinal implant device, closing the movable lid, and inserting the spinal implant device between vertebrae.

Described herein are methods and devices for monitoring or modulating an immune system in a subject with cancer, and methods and devices for treating a cancer in a subject. The implanted device can electrically stimulate the splenic nerve of the subject, which can modulate the inflammatory system (for example, by increasing or decreasing the blood level of one or more pro-inflammatory cytokines and / or anti-inflammatory cytokines to increase or decrease inflammation in the subject) and / or activate or increase circulation of one or more immune cells (such as natural killer cells and / or cytotoxic T-cells), for the treatment of cancer. The implanted medical device includes two or more electrodes configured to electrically stimulate the splenic nerve, and may further include an ultrasonic transducer configured to receive ultrasonic waves and convert energy from the ultrasonic waves into an electrical energy that powers the device.

The invention provides an implantation device of an analyte sensor. The implantation device comprises a shell, a sheath, a monitor bracket, a first elastic piece, a guide needle bracket and a second elastic piece, the sheath is provided with a locking part; the monitor bracket is provided with a matching part; the matching part is used for being locked with the locking part; the shell is used for abutting against the matching part so as to unlock the matching part and the locking part; the first elastic piece is mounted between the sheath and the monitor bracket; the shell is used for abutting against the first elastic piece before abutting against the matching part; after the matching part and the locking part are unlocked, the first elastic piece can drive the monitor support to move towards the far end, the second elastic piece is arranged between the monitor support and the guide needle support, and the second elastic piece is used for driving the guide needle support to move towards the near end after the guide needle support moves towards the far end to a preset position. According to the implantation device of the analyte sensor, the situation that the sheath triggers the guide needle support to retract in advance is prevented, and the implantation success rate of the analyte sensor is increased.

A system for delivering an implant device to a vascular site in a patient a delivery pusher apparatus, an implant device detachably connected to the delivery pusher apparatus by a tether having a distal end connected to a proximal end of the implant device, wherein the tether is substantially non-tensioned when connecting the implant device to the delivery pusher, and an electrical heating element configured coaxially around at least a portion of the tether, wherein heat generated by the heating element severs the tether at a point near the proximal end of the implant device.

Systems and methods are described for modulating blood flow through a blood vessel. Devices may include one or more implantable devices comprising an expandable frame comprising a proximal end and a distal end and a longitudinal axis extending therethrough; a membrane comprising an inflow end and an outflow end, wherein the inflow end is at least partially installed within the distal end of the expandable frame; an actuator coupled to a control wire, the control wire being coupled to a portion of the membrane; a first magnet configured to induce rotation of the actuator to actuate the control wire to activate application of tension to the control wire and cause the membrane to radially collapse at the outflow end; and a second magnet configured to generate a changing magnetic field pole direction to cause rotation of the first magnet to cause the membrane to radially expand at the outflow end.

A wearable device comprising a transmitter coil having variable transmission resistance, a first transmission impedance, and a second transmission impedance; an implanted device, comprising a receiver coil having a variable reception resistance, a first reception impedance, and a second reception impedance; wherein the transmitter coil can wirelessly transmit information over a variable frequency to the receiver coil when the variable resistance of the transmitter coil is tuned to the variable resistance of the receiver coil, the transmitter coil is configured to the first transmission impedance, and the receiver coil is configured to the first reception impedance; wherein the transmitter coil can wirelessly transmit power to the receiver coil when the transmitter coil is configured to the second transmission impedance and the receiver coil is configured to the second reception impedance; and wherein the transmitter coil can wirelessly transmit to the receiver coil of the implanted device using a magnetoquasistatic field.

A pacing system (100) for wireless extra-cardiac pacing of a heart (303) of a patient (301). The pacing system (100) includes a generator (102), a transmitter (104), and an implant device (106). The generator (102) is configured to generate energy. The transmitter (104) is configured to transmit the energy generated by the generator (102). The implant device (106) including an expandable stent that is configured to be implanted in the heart (303) of the patient (301), the implant device (106) including a receiver (220) that is configured to receive the energy that is transmitted by the transmitter (220), the implant device including a transducer (222) that is configured to transduce the energy into a pacing stimulus that is configured to pace the heart (303).

A medical apparatus for a patient comprises an implantable system. The implantable system comprises a first implantable device comprising: at least one implantable functional element configured to deliver stimulation energy to tissue of the patient; and an implantable controller configured to provide a stimulation waveform to the at least one implantable functional element, the stimulation waveform comprising one or more stimulation parameters. The apparatus is configured to randomly vary at least one of the one or more stimulation parameters. Methods of providing stimulation energy with randomly varying stimulation parameters are also provided.

The invention discloses a big-data-based design method and system for a preset screw rod in spinal surgery, and particularly relates to the technical field of preset screw rod design, and the method comprises the following steps: collecting preoperative medical image data of a target patient, extracting anatomical feature parameters, and establishing a surgery fixing instrument database containing historical patient data and implanted instrument parameters; evaluating the degree of adaptation between the standard nail rod and the anatomical structure of the patient and the postoperative fixation stability, dividing the patient matching grade based on the evaluation result, screening patient groups with similar anatomical structures and biomechanical characteristics by adopting a clustering analysis method, and calculating a personalized customization data set in combination with the individual parameters of the target patient; according to the method, the structural adaptation index and the biomechanical adaptation index are adopted, it is ensured that the matching performance of fixing instruments can be judged before an operation, when the standard screw rod is not suitable, the personalized customization process can be automatically triggered, the judgment deviation of a doctor is reduced, and the accuracy of customized screw design is improved.

Disclosed herein are devices for mechanically removing clot and / or other material from implants implanted in the vasculature of a patient, and associated systems and methods. In some embodiments, a system for removing clot material from an implant—such as a stent—includes a clot treatment device configured to be deployed within the stent, a handle, and a first elongate member and a second elongate member coupling the clot treatment device to the handle. The first elongate member couples a first end portion of the clot treatment device to the handle, and the second elongate member couples a second end portion of the clot treatment device to an actuator of the handle. Actuation of the actuator is configured to move the second elongate member relative to the first elongate member to move the first and second end portions toward one another to radially expand the clot treatment device.

An implantable device for controllably delivering neural stimuli, comprising a stimulus source configured to provide neural stimuli to be delivered via one or more stimulus electrodes to a neural pathway of a patient; measurement circuitry configured to capture signal windows from signals sensed on the neural pathway by one or more measurement electrodes subsequent to respective neural stimuli; and a control unit. The control unit is configured to: control the stimulus source to provide a direct current (DC) pulse according to a stimulus intensity parameter; control the stimulus source to provide a titration pulse in order to evoke a neural response from the neural pathway; measure an intensity of an evoked neural response in a captured signal window subsequent to the titration pulse; and adjust, using a feedback controller, the stimulus intensity parameter so as to maintain the measured intensity at or near a target value.

An implantable device for delivery of a macromolecular drug compound is provided. The device comprises a core having an outer surface and a membrane layer positioned adjacent to the outer surface of the core. The core comprises a core polymer matrix within which is dispersed a drug compound having a molecular weight of about 5 kDa or more, the polymer matrix containing a hydrophobic polymer. The membrane polymer matrix includes from about 70 wt. % to about 99 wt. % of an ethylene vinyl acetate copolymer.

The invention belongs to the technical field of biological electrodes, and particularly relates to a flexible multi-channel implantable biological electrode, an implanting device and a method, and the biological electrode is formed by fixing at least two single-channel electrodes into a bundle in a spiral winding or parallel fixing mode; adjacent single-channel electrodes abut against and are fixed and insulated from each other, the single-channel electrodes are respectively provided with exposure sites used for collecting electroneurographic signals and / or electromyographic signals or used for nerve electrical stimulation and / or electromyographic stimulation at the implantation sections, and the single-channel electrodes have determined relative positions and jointly form multiple channels; and the exposed sites are arranged at the end part and / or the side surface of the implantation section of the single-channel electrode. Compared with the prior art, the problem that each single-channel electrode in a'multi-channel 'biological electrode in the prior art does not have certain relevance is solved. According to the scheme, all the single-channel electrodes forming the flexible multi-channel biological electrode have a clear relative position relation, and electrode exposure point positions can be arranged at designated positions according to needs.

The invention relates to the field of medical instruments, in particular to a minimally invasive implantation device, a computer program product and a calibration method.A propelling assembly is arranged in a shell of the implantation device, one end of a clamp is connected to the propelling assembly, and the other end of the clamp extends out of the shell to be used for clamping an implant; the propelling assembly is used for driving the clamp to extend or retract relative to the shell; the force sensor is mounted on the propelling assembly, is coupled with the clamp and is used for detecting the implantation force of the clamp; the controller is electrically connected with the propelling assembly and the force sensor. The controller can control the clamp to retreat when the implanting force detected by the force sensor is larger than a preset value. In the implanting process of the artificial cochlea electrode, when the implanting force is too large, the clamp of the implanting device drives the implanting piece to automatically return, the inner ear structure of a patient is prevented from being damaged, the risk that the inner ear is damaged due to the fact that hand control is not timely in the operation process is effectively avoided, and the operation efficiency and safety are improved.

An apparatus method for leveraging a repository of images containing implant devices in a human body are disclosed. The apparatus includes at least a processor and a memory communicatively connected to the at least a processor, wherein the memory contains instructions configuring the at least a processor to receive a plurality of sets of historical subject data, classify the plurality of sets of historical subject data into one or more implant cohorts, receive an inquiry datum from a user, wherein the inquiry datum includes current subject data and generate an output datum as a function of the inquiry datum using an implant machine-learning model.

A scleral space implant for implantation in a scleral space includes a singular porous substrate having a top surface and an opposing bottom surface defining an implant interior and a consistent implant thickness disposed uniformly between the opposing top and bottom surfaces. The substrate has an implant rigidity that maintains the implant thickness when the scleral space implant is disposed in the scleral space. The top and bottom surfaces of the substrate each have a tissue-inhibiting pore structure that inhibits an ingress of ingrowing tissue into the implant interior while permitting the inflow of the aqueous humor into the implant interior. The implant interior has a coupled pore structure that facilitates a passage of the aqueous humor inflow through the implant interior.

The invention provides an ophthalmology department minimally invasive drainage implantation device and a delivery system thereof, the ophthalmology department minimally invasive drainage implantation device is a pipe fitting with an inner cavity, the ophthalmology department minimally invasive drainage implantation device is in a two-dimensional wave shape or a three-dimensional spiral shape, and the ophthalmology department minimally invasive drainage implantation device is provided with wave crests and wave troughs; the inner cavity is used for communicating the anterior chamber of the eye with the suprachoroidal space; the external diameter of the minimally invasive drainage implantation device for the ophthalmology department ranges from 0.3 mm to 0.6 mm, and the internal diameter of the minimally invasive drainage implantation device for the ophthalmology department ranges from 0.05 mm to 0.3 mm. The minimally invasive drainage implantation device for the ophthalmology department is prepared from the pipe fitting with the inner cavity, and the loading and implantation requirements can be met; after the drainage tube is released, the drainage tube recovers to be in the preset shape, the drainage effect is achieved, and meanwhile the preset shape of the specific structure can achieve the effects of preventing sliding and enhancing the intraocular fixing effect.