440 results about "Pace maker" patented technology

A method for capturing dislodged vegetative growth during a surgical procedure is provided. The method includes maneuvering, into a circulatory system, a first cannula having a distal end and an opposing proximal end, such that the first cannula is positioned to capture the vegetative growth en bloc. A second cannula is positioned in fluid communication with the first cannula, such that a distal end of the second cannula is situated in spaced relation to the distal end of the first cannula. A suction force is provided through the distal end of the first cannula so as to capture the vegetative growth. Fluid removed by the suction force is reinfused through the distal end of the second cannula. Subsequent to becoming dislodged, the vegetative growth is captured by the first cannula. A method for capturing a vegetative growth during removal of a pacemaker lead is also provided.

The disclosure relates to heart have prostheses with the reduced need of pacemaker implantation and improved means for positioning the replacement heart valve. In one aspect of the present disclosure, the stent scaffold of the valve prosthesis includes axially extending locators. The locators may be positioned within the cusp of the native aortic valve. Placement of the locators within the cusps may prevent further proximal movement of the stent scaffold into the left ventricle. By adjusting the location of the proximal end of the locators with respect to the proximal end of the stent scaffold, infra-annular placement of the stent scaffold in the aortic annulus may be assured. In another aspect, means for visualizing the positioning of replacement heart valves at an implant site inside an individual's body is disclosed.

A method for capturing dislodged vegetative growth during a surgical procedure is provided. The method includes maneuvering, into a circulatory system, a first cannula having a distal end and an opposing proximal end, such that the first cannula is positioned to capture the vegetative growth en bloc. A second cannula is positioned in fluid communication with the first cannula, such that a distal end of the second cannula is situated in spaced relation to the distal end of the first cannula. A suction force is provided through the distal end of the first cannula so as to capture the vegetative growth. Fluid removed by the suction force is reinfused through the distal end of the second cannula. Subsequent to becoming dislodged, the vegetative growth is captured by the first cannula. A method for capturing a vegetative growth during removal of a pacemaker lead is also provided.

The invention relates in some aspects to a device for use in anchoring an implant, including anchors, sutures, implants, clips, tools, lassos, and methods of anchoring among other methods. Anchors as disclosed herein could be utilized to secure a coaptation assistance device, an annuloplasty ring, an artificial valve, cardiac patch, sensor, pacemaker, or other implants. The implant could be a mitral valve ring or artificial mitral valve in some embodiments.

The invention discloses a leadless pacemaker for pace-making in a left bundle branch area and a delivery sheathing canal thereof.The leadless pacemaker comprises a pacemaker body, the center of the pacemaker body is partially provided with a first internal thread section, and a pacemaker electrode is partially provided with a first external thread section; the first internal thread section and the first external thread section are matched and screwed, so that the pacemaker electrode can be controlled to extend or retract by rotating the pacemaker electrode; when the pacemaker is used, the front end of the pacemaker body is flush with the front end of the shell, and the front end of the pacemaker electrode and the electrode spiral structure of the pacemaker electrode extend out of the pacemaker body by the maximum distance of 10 mm. The device can be safely and effectively implanted into the left bundle branch area, is stable for a long time and cannot be fractured or dislocated, and pace-making of the left bundle branch area is achieved.

The invention relates to the technical field of medical treatment, in particular to a vibration bracelet and system for treating tremor, a control method, a storage medium and a product. The execution part, the collection part and the control part are arranged on the bracelet body, and the execution part is used for applying a target vibration action for treating tremor to a target position corresponding to the vibration bracelet; the acquisition part is used for acquiring a motion state signal of a target position corresponding to the vibration bracelet; and the control part is used for generating a target vibration parameter according to the motion state signal and adjusting a target vibration action applied by the execution part to treat tremor according to the target vibration parameter. Therefore, the problems that in the prior art, the medicine treatment effect is poor, the brain pacemaker operation risk is high, cost is high, safety is poor, side effects are large, vibration gloves are poor in treatment comfort and humanization, and normal life of a patient is affected are solved.

The invention relates to the technical field of medical instruments, and discloses a method and application of intelligent cardiac pacemaker equipment based on biofeedback regulation, the intelligent cardiac pacemaker equipment based on biofeedback regulation comprises a shell, the interior of the shell is provided with a pulse generator, the pulse generator is used for conducting an electrical stimulation signal to cardiac tissue, and the pulse generator is connected with a cathode and an anode through a control module; the storage battery is mounted on one side in the shell and is used for supplying power to the pulse generator; the control module comprises an information acquisition module used for acquiring physiological information of a user in real time; the signal processing module is used for receiving and preprocessing the physiological signals; and the intelligent regulation and control module is combined with the output data of the signal processing module to regulate and control the working state of the pulse generator. By integrating the information acquisition module, the signal processing module and the intelligent regulation and control module, physiological information of a user is monitored in real time, and the working state of the pulse generator is accurately regulated, so that effective electrical stimulation on the heart is realized, and normal physiological rhythm of the heart is ensured.

The invention discloses an external diaphragm pacemaker regulation and control method and device based on a respiratory radar. The method comprises the following steps: acquiring a chest radar echo signal of a target; analyzing the radar echo signal to obtain a target breathing signal; analyzing the target breathing signal to obtain breathing parameters, and generating a synchronizing signal; the treatment parameters are adjusted by adopting the breathing parameters and the synchronizing signals; the treatment parameters are adopted to output control signals; and regulating and controlling the external diaphragm pacemaker based on the control signal. The breathing state of the target is detected and sensed in real time through the breathing radar, key parameters are extracted, and the opportunity and intensity of electrical stimulation are dynamically adjusted based on the key parameters, so that personalized synchronization with the natural breathing rhythm is realized, and the treatment efficiency and the user comfort are improved.

The invention relates to the technical field of pacemaker control, and discloses a pacemaker program control data electronic acquisition, storage and management system, which comprises a data acquisition module, a data preprocessing module, a data analysis module and a feedback mechanism module, the data preprocessing module is used for preprocessing the first feature sequence and performing feature extraction to obtain a second feature sequence; the data analysis module is used for performing real-time optimization on the pacemaker feature data at a local end and performing long-term optimization at a cloud end; and the feedback mechanism module is used for coordinating local end optimization and cloud end optimization to form a closed-loop regulation and control system. According to the invention, through a cooperative closed-loop mechanism of real-time optimization of the local end and long-term optimization of the cloud end, in combination with fuzzy control, a gating circulation unit and reinforcement learning, personalized pacemaker parameter regulation and control are realized, and the stability, adaptability and intelligent level of the pacemaker are improved.

The utility model provides a connecting device of an electrode wire and a temporary pacemaker. The connecting device comprises a conductive block and an insulating bush. The connecting device is provided with a penetrating channel extending in the axial direction of the connecting device. The insulating bush comprises a first bush body and a second bush body sleeving at least part of the outer side surface of the first bush body; the connecting device further comprises a switching structure, and the switching structure comprises a through hole, a trigger body and a matching body. The through hole is formed in the first sleeve body and is communicated with the penetrating channel; the trigger body is partially arranged in the through hole and can move in the direction close to or away from the axis of the penetrating channel so that the switching structure can be switched between the first state and the second state. The matching body is arranged between the first sleeve body and the second sleeve body and comprises a conductive elastic piece and a conductive joint piece, and the conductive elastic piece is located at the through hole and makes contact with the trigger body; the trigger bodies of at least part of the switching structures are conductive trigger bodies; the connecting device can be adapted to different electrode leads, so that the temporary pacemaker equipped with the connecting device is wide in application range.

Cardiac pacemaker for a patient's heart including a processing unit with a data memory, further including a first detector, and a second detector, a pacing signal generator, which are all electrically connected to the processing unit, wherein the first detector is configured to detect time-dependent electrical signals of the heart, wherein the second detector is configured to detect time-dependent bodily signals of the patient different from the signals detected by the first detector, wherein the first detector and the second detector are configured to transmit the detected and, if applicable, pre-processed signals to the processing unit, wherein the processing unit is configured to process the signals received from the first detector and the signals from the second detector and to detect from the received signals of the first detector intrinsic atrial events, intrinsic ventricular events and pacing events and to determine an actual cardiac rate.

The utility model relates to the field of special pillows for surgeries, and discloses a special pillow for pacemaker implantation surgeries, which comprises a bottom plate, a headrest is detachably arranged on the bottom plate, a groove is arranged in the middle of the top surface of the headrest, two placing holes are arranged on the top surface of the headrest, head air bags are placed in the placing holes, and the head air bags are arranged on the bottom plate. The front side of the headrest is connected with a shoulder pillow, and a shoulder air bag is placed in the shoulder pillow. According to the head fixing device, by taking deviation to the right side as an example, a medical worker can inflate the head air bag and the shoulder air bag on the left side, and when the size of the head air bag is increased, the left side of the head of a patient can be supported, so that the head of the patient can deviate to the right side, and the head of the patient is fixed; the shoulder portion of a patient is supported through the shoulder air bag, it is ensured that the patient does not feel tired when being in the same posture for a long time, the comfort of the patient in the operation process is improved, and smooth operation is facilitated.

A device for loading a leadless pacemaker onto a catheter-based delivery system includes a distal portion and a proximal portion. The distal portion includes a retention feature configured to receive the leadless pacemaker. The proximal portion is proximal the distal portion and includes a funneling structure opening toward the retention feature. The distal and proximal portions of the device are configured such that, when a distal end of the catheter-based delivery system is brought towards the proximal portion of the loading device and the leadless pacemaker is retained by the retention feature, the funneling structure guides features of the distal end of the catheter-based delivery system through an opening in an attachment feature located at a proximal end of the leadless pacemaker.

The invention relates to a wearable music diaphragm pacemaker and a use method thereof, and belongs to the technical field of medical rehabilitation equipment, the wearable music diaphragm pacemaker comprises a diaphragm pacemaker host, an electrical stimulation module, a respiration monitoring module and a wearable bag, the diaphragm pacemaker host is connected with the electrical stimulation module and the respiration monitoring module through wires, the electrical stimulation module adopts an electrode patch, and the wearable bag is connected with the electrical stimulation module. The respiration monitoring module is used for applying adjustable electric pulses to phrenic nerves or diaphragm muscles, and is provided with a piezoelectric pressure sensor for collecting thoracico-abdominal respiration movement signals in real time. In the invention, compared with a traditional diaphragm pacemaker which mainly depends on electrical stimulation to passively enhance diaphragm contraction and a patient needs to actively cooperate with respiratory training, through real-time matching of rhythm and tone changes of megawatt music and electrical stimulation parameters, such as inspiratory phase tone rising and expiratory phase rhythm slowing, multi-sensory synergistic stimulation is formed; perceiving and active cooperation of the patient on the respiratory rhythm are enhanced, and therefore the rehabilitation effect can be effectively improved.

The invention relates to the technical field of medical devices, and particularly discloses a diaphragm pacemaker and neural regulator linked respiration assisting system which comprises a respiratory dysfunction degree detection module, a diaphragm pacemaker and neural regulator linked respiration assisting module, a diaphragm pacemaker and neural regulator linked respiration assisting module and a diaphragm pacemaker and neural regulator linked respiration assisting module, the limit improvement degree evaluation module evaluates the limit improvement degree of the current respiratory dysfunction degree of the patient by the diaphragm pacemaker and the limit improvement degree of the current respiratory dysfunction degree of the patient by the neural regulator; the auxiliary participation degree determination module determines the respiration auxiliary participation degree of the diaphragm pacemaker to the patient and the respiration auxiliary participation degree of the neural regulator to the patient; the respiration assistance control module is used for respectively setting control parameters of the diaphragm pacemaker and control parameters of the neural regulator based on the respiration assistance participation degree of the diaphragm pacemaker to the patient and the respiration assistance participation degree of the neural regulator to the patient; the method is used for precisely controlling the diaphragm pacemaker and the neural regulator in a linkage mode to assist a patient in improving respiratory dysfunction of the patient.

The invention belongs to the technical field of pacemaker lead implantation, and provides an AI simulation guidance pacemaker lead implantation system, which comprises a data acquisition and preprocessing module for collecting and processing medical record comprehensive data of a patient through a multi-modal data fusion unit; according to the invention, the cardiac cavity structure of a patient can be accurately simulated and accurate anatomical information is provided for lead implantation through multi-modal data such as electrocardiogram, various imaging data and the like in combination with advanced image segmentation and registration algorithms, the AI simulation and prediction module plans an optimal path for a lead through a reinforcement learning algorithm, and the accuracy of lead implantation is improved. The method has important significance for searching coronary sinus ostii and selecting target veins, the stability of the lead and the success rate of implantation are ensured, the real-time guidance and feedback module can adjust the advancing direction and speed of the lead in real time in an operation, deviation caused by manual operation is reduced, and the operation efficiency is improved. And the postoperative evaluation and optimization module can perform quantitative analysis on the implantation effect and feed data back to the AI model, so that the system performance is further optimized.

The utility model relates to the technical field of medical instruments, in particular to a pacemaker electrode wire, which comprises a wire conduit, the wire conduit comprises a head part and a tail part which are connected with each other, the head part is provided with an electrode assembly, and the electrode assembly comprises a first electrode and a second electrode which are electrically connected with each other. The first electrode and the second electrode are arranged in a spaced mode in the direction from the head to the tail, and a fixing piece located between the first electrode and the second electrode is arranged on the outer side of the wire conduit. The head of the wire conduit can be sent to the right ventricular apex of the heart of a patient through vein puncture, and the fixing piece is in contact with and fixed to the surface of the endocardium, so that the first electrode is firmly fixed to the right ventricular apex, the electrode wire is kept stable in the heart of the patient, and the electrode wire is prevented from shifting or falling off; and the normal cardiac function of the patient is ensured.

The present disclosure belongs to the technical field of artificial cardiac pacemakers, and particularly relates to a leadless left-bundle-branch pacemaker. The leadless left-bundle-branch pacemaker comprises a case and an implant core, wherein the implant core is coaxially arranged inside the case, and a head of the implant core can be rotated out from the inside of the case; the implant core has an implant end that can be rotated out from the inside of the case, and the length of the implant end rotated out from the inside of the case is greater than 10 mm; and an end of the case corresponding to the implant end is provided with a fixing end for fixing the pacemaker.

Methods, systems, and devices that detect arrhythmic episodes and perform arrhythmia discrimination are described. Such a system includes a leadless pacemaker (LP) that senses a near-field electrogram (NF-EGM), and a non-vascular implantable cardioverter defibrillator (NV-ICD) that senses a far-field electrogram (FF-EGM). The LP determines cardiac activity information based on the NF-EGM and optionally also based on paced cardiac events caused by the LP. The LP monitors for specific pacemaker condition(s), sends i2i message(s) including the cardiac activity information to the NV-ICD when at least one of the specific pacemaker condition(s) is detected by the LP, and does not send i2i message(s) including the cardiac activity information to the NV-ICD when the LP detects none of the specific pacemaker condition(s) After the NV-ICD receives the i2i message(s) transmitted by the LP, the NV-ICD can detect an arrhythmic episode and / or perform arrhythmia discrimination based on the cardiac activity information included therein.

The invention discloses an anti-displacement device after cardiac pacemaker implantation, and relates to the field of cardiac pacemaker postoperative protection, the anti-displacement device comprises a compression vest, an adjustable compression mechanism is arranged on the compression vest, the adjustable compression mechanism comprises an adhesive cloth, an air pressure bag and a zipper tape, the adhesive cloth is adhered to the compression vest, and the air pressure bag is arranged on the adhesive cloth. Two zipper belts are fixed to the adhesive cloth in the horizontal direction in a spaced mode, zippers are arranged on the zipper belts, the air pressure bag is located between the two zipper belts, zipper buckles are connected to the four corners of the air pressure bag, the zipper buckles are matched with the closest zippers in a sliding mode, and a weight pressing body is arranged in the air pressure bag. The weight compression body is compressed at the pacemaker implantation position of a patient through the bandage assembly, an air pressure cavity is formed between the inner wall and the outer wall of the air pressure bag, a miniature barometer is arranged on the air pressure bag, the detection end of the miniature barometer is inserted into the air pressure cavity, and the weight compression body is prevented from displacing or falling off in a wearing mode. Rapid recovery of the patient is facilitated.

The invention relates to the technical field of medical treatment, in particular to a stimulation system for treating tremor, an action method and a stimulation parameter adjusting method, and the stimulation system comprises an execution part which is used for applying a target stimulation action for treating tremor to at least one target position of a human body; the acquisition part is used for acquiring a motion state signal of at least one target position of a human body and acquiring a motor cortex electroencephalogram of the human body; and the control part is used for generating target stimulation parameters according to the motion state signals and the motor cortex electroencephalogram, and adjusting target stimulation actions applied by the execution part to treat tremor according to the target stimulation parameters. Therefore, the problems that in the prior art, the medicine treatment effect is poor, the brain pacemaker operation risk is high, cost is high, safety is poor, vibration gloves are poor in treatment comfort and humanization, and normal life of a patient is affected are solved.

Pacemakers and pacemaker delivery systems and methods are disclosed which use a modified cylindrical pacemaker body having a downward facing side which includes the anode / cathode and mechanical features that stabilize the pacemaker in place on the epicardial surface of the heart.

An atrial leadless pacemaker (aLP), of a dual chamber leadless pacemaker system that also includes a ventricular leadless pacemaker (vLP), senses intrinsic atrial events and for each intrinsic atrial event that is sensed determines a respective atrial-to-atrial interval (AA interval) that corresponds to a duration between the intrinsic atrial event and an immediately preceding intrinsic atrial event. Additionally, the aLP, based on the determined AA intervals, selectively transmits and selectively abstains from transmitting atrial event messages to the vLP. When the aLP abstains from transmitting atrial event messages to the vLP, the aLP conserves power thereby increasing its longevity. The aLP can also be configured to operate in a similar manner for paced atrial events, to further conserve power. The vLP utilizes its VV interval timer to determine when to deliver ventricular stimulation, during those times that the aLP abstains from transmitting atrial event messages to the vLP.

The utility model discloses an adjustable wound fixing device after permanent pacemaker implantation, and relates to the technical field of wound fixing after permanent pacemaker implantation. The technical problem that an existing wound fixing device used after the permanent pacemaker operation does not have the function of limiting the arm abduction range, and wound recovery is likely to be affected is solved. According to the technical scheme, the adjustable wound fixing device after permanent pacemaker implantation comprises a fixing device body and further comprises a rear chest extension piece, a front chest extension piece, axilla belts, arm belts, a limiting assembly and a pressurizing assembly; according to the adjustable wound fixing device after implantation of the permanent pacemaker, arm abduction can be effectively prevented through the limiting assembly, a wound can be conveniently pressurized and fixed on the same day after implantation through the pressurizing assembly, bleeding is prevented, the device is provided with multiple adjusting structures, the flexibility is high, the applicability is wide, the arm movement range of a patient can be effectively limited, and the practicability is high. Therefore, the implantation effect of the permanent pacemaker is greatly guaranteed, and wound recovery is facilitated.

A leadless pacemaker (100, 200, 300) and trailing (1, 3, 5) and leading (2, 4, 6) components thereof are disclosed. The trailing component (1, 3, 5) includes a first connecting member (12, 32) and a second connecting member (13), and the leading component (2, 4, 6) includes a third connecting member (23, 42, 62) and a fourth connecting member (24, 63). The first connecting member (12, 32) is configured to be detachably connected to the third connecting member (23, 42, 62) and the second connecting member (13) is configured to be detachably or non-detachably connected to the fourth connecting member (24, 63), thereby achieving interlocking between the trailing component (1, 3, 5) and the leading component (2, 4, 6). Additionally, both the first connecting member (12, 32) and the third connecting member (23, 42, 62) are non-biodegradable. At least one of the second connecting member (13) and the fourth connecting member (24, 63) is biodegradable, or the second connecting member (13) is fitted and connected to the fourth connecting member (24, 63) by an associated biodegradable connecting member. Thus, before the connecting member is degraded, it can be ensured that the trailing component (1, 3, 5) and the leading component (2, 4, 6) are firmly connected together by the four connecting members, facilitating overall retrieval or adjustment of the pacemaker (100, 200, 300). Moreover, after the connecting member is degraded, the trailing component (1, 3, 5) can be easily retrieved.

An intracardiac ventricular pacemaker configured to operate in a selected one of an atrial tracking ventricular pacing mode and a non-atrial tracking ventricular pacing mode. A control circuit of the pacemaker: determines at least one motion signal metric from a motion signal; comparing the at least one motion signal metric to a pacing mode switching criterion; and in response to satisfying the pacing mode switching criterion, switching from a selected one of the non-atrial tracking pacing mode and the atrial tracking pacing mode to the other of the non-atrial tracking pacing mode and the atrial tracking pacing mode, a ventricular pacing pulse is controlled for controlling ventricular pacing pulses delivered by the pacemaker.

The invention discloses a cardiac pacemaker, characterized in that the cardiac pacemaker comprises a multiple of microneedles and a chip comprising at least one comparator with adaptive level, sequence control circuit, at least one capacitor stack built by n capacitors and 2n switches, at least one buffer capacitor outside the at least one capacitor stack, at least two additional switches outside the at least one capacitor stack, a CMOS-Logic, wherein further, the cardiac pacemaker comprises an interposer layer comprising holes for the multiple of microneedles and a lid. The cardiac pacemaker is characterized in that the chip, is located on one surface of the interposer layer and that the lid and the interposer layer form a capsule for the chip. Further, each microneedle of the array of microneedles has a distal end which protrudes from the chip and the cardiac pacemaker is adapted to be electrically self-sufficient.

The invention relates to the technical field of medical instruments, and discloses a cardiac pacemaker multi-mode communication system which comprises a data acquisition module and a communication management module. According to the system, electrical activity signals of the heart of a user at all time points, specification data of all hardware of the cardiac pacemaker and all communication modes of the cardiac pacemaker are acquired through a data acquisition module and are classified to form a data set, and a communication management module analyzes and generates an abnormal data set and then judges whether electric pulses are sent to stimulate cardiac muscle contraction or not; if data exists in the abnormal data set, the corresponding pulse intensity is analyzed and generated, and the magnitude of current of different intensities in different application scenes is converted into the pulse quantity, so that the standardized evaluation treatment effect is good, and the adjustment difficulty between pacemakers of different models is reduced; and the authority level of the interconnection application is judged according to the application source, the communication mode corresponding to the cardiac pacemaker is started, and the rapid response interconnection transmission efficiency is high.

The utility model provides a wireless and rechargeable bladder pacemaker for monitoring bladder capacity, and relates to the field of medical instruments. The utility model provides a wireless and rechargeable bladder pacemaker for monitoring bladder capacity. The wireless and rechargeable bladder pacemaker comprises a rechargeable current stimulator, a plurality of groups of stimulation mechanisms and a plurality of piezoelectric films, wherein each group of stimulation mechanism comprises two bladder stimulation units; the bladder stimulation unit and the piezoelectric film are respectively connected with the current stimulator through leads; the two bladder stimulation units and the current stimulator in each group of stimulation mechanism are arranged on the surface of the bladder, and the piezoelectric film is arranged in the wall of the bladder. According to the utility model, the volume of liquid in the bladder of a patient can be obtained in real time, the bladder detrusor muscle can be stimulated and induced to contract to complete urination, and most importantly, the stimulation and induction mode of the bladder detrusor muscle does not need the participation of human body movement efferent nerves; the piezoelectric film can convert contraction tension or expansion tension of the bladder wall into electric energy to supply power to the current stimulator.

This utility model relates to the field of chest compression technology, specifically a chest compression device with a chest strap. One end of the chest strap is fixedly connected to an elastic band. A compression mechanism is located on the left side of the front of the chest strap to facilitate compression of the patient's wound. The compression mechanism includes an observation hole ring, a lower transparent membrane, an observation ring, an upper perforated transparent membrane, and a zipper. An installation window is provided on the front of the chest strap, facing the inner hole of the observation hole ring, which is installed on the outside of the installation window. The lower transparent membrane is fixedly connected to the inside of the observation hole ring, and the upper perforated transparent membrane is fixedly connected to the inside of the observation ring. The observation ring is located on the outside of the observation hole ring, and the chest strap and the observation ring are detachably connected via a zipper. A sandbag is clamped between the upper and lower perforated transparent membranes. This device facilitates the switching between compression of the chest wound after pacemaker surgery and postoperative wound observation.