322 results about "Pace maker" patented technology

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 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.

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.

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 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.

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.

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 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.

1. The name of this design product: Compression sandbag. 2. Purpose of this design product: used for compression after permanent pacemaker surgery. 3. The key design point of this design product lies in the combination of shape and pattern. 4. The picture or photo that best illustrates the key points of the design: main view.

The present invention is related to an extracardiac temporary pacemaker designed for cardiac pacing, particularly for high-grade atrioventricular block and prolonged sinus pauses. The device integrates a pacemaker unit with battery within a transcutaneous patch, featuring thin, needle-like electrodes that penetrate the intercostal muscles to reach the epicardial surface of the heart. The design allows for rapid, significantly reducing the risk of complications associated with traditional intravascular pacemakers and providing a quick, safe, and more efficient solution for temporary cardiac pacing.

This invention discloses an online ECG control method and device for a pacemaker, relating to the field of medical device technology. The method includes: synchronously acquiring raw ECG and transient impedance signals; establishing an artifact waveform model based on impedance attenuation characteristics; removing pacing pulse artifacts; reconstructing a clean ECG signal and marking the capture state; extracting signal waveform features to construct a time-series matrix; inputting it into a pre-trained time-series prediction model to obtain future heart rate trajectories and arrhythmia risk probabilities; constructing a cost function including physiological comfort, safety penalties, and energy efficiency indicators; solving for the optimal pacing parameter vector using the gradient projection method; and driving the pacing circuit to output pulses. This invention effectively solves the artifact interference problem, achieving precise adaptive pacing control based on risk prediction and multi-objective optimization, significantly improving treatment safety and patient comfort.

A stabilizer sleeve is disclosed for use with cardiac implantable electronic device leads. The sleeve comprises a tubular body sized to receive the lead and shaped to bias the lead toward a desired anatomical location, thereby reducing migration, dislodgement, and interference with cardiac structures. The sleeve may be introduced with the lead as a unitary assembly or added after lead placement. Various embodiments include a slitted body for expansion, radiopaque markers for visualization, detachable nose-cone tips for guidewire tracking, and antimicrobial coatings. The sleeve may be formed of polymers, alloys, or composite materials, and may include features such as texturing or anchoring projections for tissue engagement. Applications include positioning within a tricuspid valve commissure to minimize regurgitation and stabilizing left ventricular leads within branches of the coronary sinus. The device and methods described provide improved long-term stability and performance of implanted cardiac leads.

1. The name of the design product: emergency rescue public station. 2. The use of the design product: for storing pacemakers, stretcher management emergency equipment, and also playing rescue-related videos, selling emergency or other goods. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The utility model discloses a fixing strap for a temporary pacemaker, which comprises a shoulder strap and a binding strap, an extension bag is sewed below the shoulder strap, a zipper is sewed on the surface of the extension bag, a weight is stored in the extension bag, and a binding surface is arranged at the bottom end of the extension bag; a traction piece is arranged on the surface of the extension bag and used for changing the position of the extension bag, and the fixing band is used in cooperation with the fixing band at the position, close to the apex of the right ventricle, of the extension bag after being worn, so that the fixing band can keep a good attaching effect whether daily activities or mild exercises are carried out; and the risk of complications caused by displacement of the pacemaker or poor contact of the electrodes is reduced. The bonding head is bonded to the bonding female end area by pulling the traction belt, it can be ensured that the position of the extension bag after adjustment is kept stable, that is, the position of the extension bag is changed through traction of the traction belt, and the position of the extension bag is accurately adjusted.

The invention belongs to the technical field of biological medicine, and discloses an injectable hydrogel combined reagent, self-curing conductive hydrogel and application thereof. The injectable hydrogel combined reagent provided by the invention comprises a solution A and a solution B, the solution A is a first precursor solution formed by dissolving modified poloxamer PFUDAm and ammonium persulfate in deionized water; the solution B is a second precursor solution formed by dissolving N-isopropylacrylamide NIPAM, ferrous gluconate and PEDOT: PSS in deionized water, after the injectable hydrogel combined reagent is mixed in a duplex injection mode, PFUDAm, poly (N-isopropylacrylamide) and PEDOT: PSS are subjected to an oxidation-reduction reaction of ammonium sulfate and ferrous gluconate to initiate polymerization, and the self-curing conductive hydrogel is constructed. The self-curing conductive hydrogel has controllable curing time, and the self-curing conductive hydrogel has excellent swelling resistance, conductivity and good elasticity and toughness, and is expected to be combined with a cardiac pacemaker to be applied to treatment of arrhythmia.

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 utility model relates to the technical field of medical instruments, in particular to a temporary pacemaker electrode fixing device which comprises a connecting seat, a rolling cavity arranged at the top of the connecting seat and an end cover used for closing the rolling cavity, and a positioning piece and a winding assembly arranged in the rolling cavity. An electrode wire is connected with the winding assembly through the positioning piece, and the winding assembly is used for winding the electrode wire; wherein a fixing structure is arranged on the back face of the connecting base and used for fixing the connecting base to a limb or a sickbed armrest, the middle of an electrode wire is connected with the wrapping post through a wire clamping groove under the positioning effect of the positioning piece, and then the wrapping post is unlocked by pressing the unlocking piece. When the electrode wire is wound, the winding column can be rotated to drive the electrode wire to be wound, then the winding column is fixed through the unlocking piece, the winding column is matched with the positioning piece to wind and fix the electrode wire, and the connecting base can be fixed to a limb or a sickbed handrail through a pair of fixing belts and an elastic piece.

The present invention provides an electrode wiring connecting apparatus and a temporary pacemaker. The connecting apparatus comprises an electrically conductive block and an insulating bushing; the connecting apparatus is provided with a penetrating channel extending along an axial direction of the connecting apparatus; and the insulating bushing comprises a first sleeve body and a second sleeve body, sleeved on at least a portion of an outer side surface of the first sleeve body. The connecting apparatus further comprises a switching structure, the switching structure comprising a through hole, a trigger body, and a mating body; the through hole is formed in the first sleeve body and is in communication with the penetrating channel, and the trigger body is partially disposed in the through hole, and can move along a direction towards or away from the axis of the penetrating channel, so as to cause the switching structure to switch between a first state and a second state; the mating body is disposed between the first sleeve body and the second sleeve body, and comprises an electrically conductive elastic piece and an electrically conductive engagement piece, the electrically conductive elastic piece being located at the through hole and making contact with the trigger body; and at least a portion of the trigger body of the switching structure is an electrically conductive trigger body. The connecting apparatus can adapt to different electrode wiring, so that the application range of a temporary pacemaker provided with the connecting device is wide.

The present invention discloses a support device for an external diaphragm pacemaker, comprising a fixing portion and a supporting portion. The fixing portion is provided with at least one suction cup that can be firmly attached to a workbench, effectively reducing the risk of the entire device accidentally falling and providing a more secure fixation. The supporting portion is rotatably disposed on top of the fixing portion and is secured to the outside of the device body, thereby firmly connecting the device body and the supporting portion. During use, the entire device can be flexibly rotated, eliminating the need for frequent manual movement and providing greater convenience.

Dual chamber leadless pacemaker systems comprising an aLP and a vLP, and methods for use therewith, are disclosed. Such systems and methods can detect and terminate pacemaker mediated tachycardia (PMT) even when the implant-to-implant (i2i) communication from the vLP to aLP (V2A) is compromised. The vLP monitors for PMT in response to reception of an i2i communication from the aLP indicating compromised V2A i2i communication and initiates, following detection of a PMT, initiate a PMT PV interval in response to reception of an i2i communication from the aLP indicating an atrial sensed event. The PMT PV interval is shorter than a PV interval that the vLP would otherwise use for ventricular pacing if PMT was not detected. The vLP also delivers a ventricular pacing pulse to the ventricular cardiac chamber in response to the PMT PV interval expiring without an intrinsic ventricular event being detected during the PMT PV interval.

The utility model relates to the technical field of pacemaker wire offset distance measuring equipment, and provides an attachable ruler device which comprises release paper and a transfer sticker, the transfer sticker is pasted on the release paper, the transfer sticker is used for being pasted on dressing on a pacemaker wire, the transfer sticker comprises a transverse scale part, and the transverse scale part is provided with a plurality of scales. The transverse scale part comprises a plurality of transverse scale lines which are arranged at intervals along a straight line, and the transverse scale part is used for measuring the displacement distance of a lead of the pacemaker. According to the utility model, through the arrangement of the transfer paste capable of transferring the transverse scale part to the dressing, the transfer paste is clearer and more difficult to erase compared with marking on the dressing, and when the lead offset distance of the pacemaker is measured, a user does not need to hold the graduated scale by hand and can directly observe the lead offset distance through the transverse scale part on the dressing, so that errors caused by hand shaking during measurement are avoided.

A device for use during cardiothoracic surgery around the heart of a patient. The device includes an angled drainage tube including a first portion having a plurality of drainage orifices and a second portion which is angled relative to the first portion. A flexible drainage tube extends from the angled tube and is in fluid communication therewith. A pair of pacing electrodes are disposed on a single aspect of the first portion of the angled drainage tube. The pacing electrodes are adapted to be in contact with the heart muscle for intrinsic rhythm sensing and pacing capability thereof. At least one electrical wire is connected to the pacing electrodes and extends along a portion of the angled drainage tube. The at least one electrical wire is connectable to a pacing box via a cable for powering and controlling the pacing electrodes.