100 results about "Cardiac pacemaker" patented technology

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.

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 invention discloses a dressing-change-free intelligent compression healing promoting device after cardiac pacemaker implantation. The dressing-change-free intelligent compression healing promoting device comprises a composite dressing, a polymorphic biosensor, a medicine injection hose, a pressure applying air bag, a thermoplastic material and an acceleration sensor, the polymorphic biosensor medicine injection hose and the pressure applying air bag are arranged in the inner layer of the composite dressing, the position, corresponding to an incision, of the medicine injection hose is arranged in the composite dressing, and one end of the medicine injection hose is connected with the antibiotic storage injector in a split mode; the thermoplastic material is integrally connected to the side, close to the clavicle, of the upper portion of the composite dressing, the acceleration sensor is arranged in the thermoplastic material, the pressure applying air bag is detachably connected with the air pump through the air adding hose, and the one-way valve is installed on the air adding hose. According to the dressing-change-free intelligent compression healing promoting device used after cardiac pacemaker implantation, the positions and the connection relation of all the components are defined, function cooperation is achieved, and the problems existing in an existing nursing mode are effectively solved.

A biostimulator, such as a leadless cardiac pacemaker, having a patch antenna integrated into a housing, is described. The housing includes an annular wall that contains electronic circuitry of the biostimulator and provides a ground plane of the antenna. The patch antenna includes a meandering trace embedded in a curved dielectric layer that is mounted on the annular wall. The trace provides a conductor of the antenna and the dielectric layer provides a dielectric substrate of the antenna between the conductor and the ground plane. The electronic circuitry contained within the annular wall is electrically connected to the trace via an electrical feedthrough that passes through the annular wall and the dielectric layer. The electrical feedthrough places the electronic circuitry in communication with the antenna to transmit or receive wireless communication signals from an external device. Other embodiments are also described and claimed.

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.

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 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 invention discloses a post-operation dynamic pressure hemostasis device for a cardiac pacemaker, and belongs to the technical field of cardiac department surgical instruments, the post-operation dynamic pressure hemostasis device comprises a frame, a first sliding groove, a small air pump, a plurality of exhaust pipes and a control panel, the first sliding groove is formed in the frame and communicated with the outside, and a sliding plate is slidably connected in the first sliding groove; a plurality of air bags are fixedly connected to one side of the sliding plate, a connecting pipe is fixedly connected between the air bags, and an inner cavity of the connecting pipe is communicated with inner cavities of the air bags; the small air pump is fixedly connected to the other side of the sliding plate, and an output shaft of the small air pump is fixedly connected with the connecting pipe; the exhaust pipes are fixedly connected to the air bags respectively. According to the position of the wound of the patient, the position of the dynamic pressure hemostasis device is adjusted, so that the dynamic pressure hemostasis device can quickly adapt to the wound requirements of different patients and different operations, the clinical universality of the dynamic pressure hemostasis device is improved, and diversified cardiac pacemaker postoperative hemostasis scenes are met.

The utility model provides a novel cardiac pacemaker lead fixing device belongs to medical appliance technical field, this novel cardiac pacemaker lead fixing device, include: lead body, the inside of lead body is equipped with thin metal wire, and the surface is provided with rotating handle. The utility model: the lead body is passed through the protection sheath pipe, and the anchor head end structure of lead body one end is moved to the inside of heart, until the main helical silk of nickel titanium alloy is made on the anchor head end and is fixed with the outer layer of myocardium, further adjusts the rotating handle on the surface of lead body to make the electrode end continue to move, the diameter between a plurality of inner layer's auxiliary micro helical silk changes in the process of rotating to drive a plurality of anchor block rotation and move and pass through endocardium, cooperate a plurality of anchor block surface's anchor hook and enhance the stability of lead body fixed, realize the purpose of anchor head end grading anchor operation.

The utility model discloses a post-implantation compression bag fixing device for a cardiac pacemaker, and the device is characterized in that the device comprises a wearing assembly and a compression assembly; the wearing assembly comprises an elastic vest arranged on the back of the human body, shoulder hanging straps symmetrically arranged at the upper end of the elastic vest, an elastic strap fixedly installed in the middle of one side of the elastic vest, a plurality of connecting rings installed on the other side of the elastic vest at equal intervals and binding straps arranged on the two sides of the lower end of the elastic vest. The compression assembly comprises a compression mechanism connected to the elastic belt in a sleeving mode, a containing bag detachably connected with the shoulder hanging belt and the binding belt, and a compression bag installed in the containing bag. The compression bag fixing device has the advantages of being simple in structure, convenient to wear, capable of being adjusted according to the compression position, capable of fixing the compression bag after the cardiac operation, not prone to falling off and not prone to displacement along with the movement of a patient.

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.

An introducer hub assembly, such as an introducer hub assembly of a leadless cardiac pacemaker, including a hemostatic seal having a cross-slit configuration, is described. The hemostatic seal can be retained between a hub cap and an introducer hub. The hemostatic seal includes a first section having first slits intersecting along a longitudinal axis of the introducer hub, and a second section having second slits intersecting along the longitudinal axis. The first slits are angularly offset relative to the second slits to reduce a likelihood that fluid will leak directly through the seal. Other embodiments are also described and claimed.

A pacemaker has a housing and a therapy delivery circuit enclosed by the housing for generating pacing pulses for delivery to a patient's heart. An electrically insulative distal member is coupled directly to the housing and at least one non-tissue piercing cathode electrode is coupled directly to the insulative distal member. A tissue piercing electrode extends away from the housing.

Disclosed herein is a system for cardiac rhythm management including an implanted cardiac pacemaker and a biometric finger ring. This system ensures good oxygenation of a person's body extremities. The finger ring includes optical sensors which measure the person's blood oxygenation level. The operation of the implanted cardiac pacemaker is adjusted based on combined analysis of motion data from the pacemaker, motion data from the finger ring, and blood oxygenation level data from the biometric finger ring.

The invention relates to the technical field of medical apparatus and instruments, in particular to an in-vitro cardiac pacemaker wire fixing inspection device which comprises a base, a reel, a tensioner and a steering mechanism. The reel is connected to one side of the top of the base, the tensioner is connected to the other side of the top of the base, the steering mechanism is connected to the top of the base and located between the tensioner and the reel, and the steering mechanism is used for enabling a cardiac pacemaker wire to be subjected to tension in different directions; the cardiac pacemaker lead sequentially bypasses the reel, the steering mechanism and the tensioner; according to the invention, the tension range of the tensioner is adjusted for multiple times, so that the tension range under the condition that the lead fixation meets the requirement is determined under each condition, and the tension range is used as the lead fixation standard, so that the detection process is simplified, complex operation and calculation are not needed, and the accuracy of the detection result is also improved.

A retrieval system for a biostimulator, such as a leadless cardiac pacemaker, is described. The biostimulator retrieval system includes a docking cap rotatably coupled to an outer catheter by a bearing. A torque shaft extends through the outer catheter and attaches to the docking cap to transmit torque to the docking cap to cause rotation of the docking cap relative to the outer catheter. The rotating docking cap can transmit torque to an attachment feature of a biostimulator received within the docking cap. The attachment feature can be captured by a snare that extends through the torque shaft. A cincher tube extends through the torque shaft around the snare, and advances over the snare independently from the torque shaft that is attached to the docking cap, to cinch the snare onto the attachment feature. Other embodiments are also described and claimed.

The device for testing pacemakers in static and extremely low frequency magnetic fields comprises an Agar phantom (6) irradiated by an electromagnetic field source (5) and at least one three-axis static magnetic field sensor (4a) and at least one three-axis alternating magnetic field sensor (4b). These are placed at the same distance from the pacemaker under test (3) to monitor the intensity, direction and spatial distribution of the magnetic field generated by the electromagnetic field source (5) in the area of ​​a single-chamber or dual-chamber tested pacemaker (3) placed in the Agar phantom (6). A test pulse generator (1) is connected to the single-chamber pacemaker (3) by one wire or to the dual-chamber pacemaker (3) by two wires and a response sensor (2) is connected by an electrode to sense the response of the pacemaker (3) in real time. The generator (1), the static magnetic field sensor (4a), the alternating magnetic field sensor (4b) and the response sensor (2) are connected by wires to the communication module (7) and wired or wirelessly connected to a computer (8) for processing, analyzing and visualizing the measured data.

A pacemaker has a housing and a therapy delivery circuit enclosed by the housing for generating pacing pulses for delivery to a patient's heart. An electrically insulative distal member is coupled directly to the housing and at least one non-tissue piercing cathode electrode is coupled directly to the insulative distal member. A tissue piercing electrode extends away from the housing.

The utility model discloses a cardiac pacemaker electrode fixing device, which belongs to the technical field of cardiac pacemakers and is technically characterized by comprising a pacemaker component, a mounting component and a limiting component. According to the pacemaker assembly, when the pacemaker assembly is installed, a bag belt can be arranged under the skin of a patient, then the pacemaker body is arranged in the bag belt, and the electrode wire A and the electrode wire B penetrate through the bag belt and are arranged on cardiac muscle tissue of the patient; then, in order to enable the A electrode wire and the B electrode wire to be stably connected with the observation block, two mounting assemblies are arranged on the observation block, and the A electrode wire and the B electrode wire can be rapidly and stably connected with the observation block through the two mounting assemblies; and then the mounting assembly can be limited through the limiting assembly, so that the mounting assembly cannot fall off after being used for a long time, and the connection is more stable.

Systems, methods, and devices to facilitate insertion of certain leads with electrode(s) into patients are described. Leads can be implanted to work in conjunction with a cardiac pacemaker or cardiac defibrillator. A lead for cardiac therapy may be inserted into an intercostal space associated with the cardiac notch of a patient. Devices for delivery may include, for example, a delivery system coupled with an electrical lead and having a handle, a component advancer and insertion tips. The handle is configured to be actuated by an operator and the component advancer is configured to advance an electrical lead into the patient. The insertion tips can be configured to close around the electrical lead within the component advancer, to push through biological tissue, and to open to enable the lead to advance into the patient. The electrical lead can also be maintained in a particular orientation during the advancement into the patient.

Embodiments of the disclosure include systems and methods utilizing a cardiac pacemaker. A cardiac pacemaker may comprise a pair of endocardial leads. A first lead including a bipolar pair of electrodes for making electrical contact with a patient's right atrium. A second lead including a bipolar pair of electrodes for making electrical contact with a patient's right ventricle. In an embodiment, the leads are prepared from and / or comprises conductive carbon fiber or nano-tubule conductive carbon fiber.

A computer implemented method for programming leadless cardiac pacemakers including assigning a unique identifier to each of the first leadless cardiac pacemaker and the second leadless cardiac pacemaker by means of the computing device, and preconfiguring the parameters of the first leadless cardiac pacemaker and / or the second leadless cardiac pacemaker by means of the computing device regardless of a location of the first leadless cardiac pacemaker and the second leadless cardiac pacemaker with respect to a transmit-receive unit of the computing device. Moreover, the invention relates to a system for programming leadless cardiac pacemakers. In addition, a computer program and a computer-readable data carrier are also disclosed.

The invention discloses a digital intelligent management method for CIED patients and related equipment. The method comprises the following steps: acquiring an implantation period of a cardiac pacemaker of a target patient, wherein the implantation period comprises an acute period, a stable period and an adjacent replacement period; based on the implantation period of the cardiac pacemaker where the target patient is currently located, selecting a monitoring management strategy associated with the current implantation period; and performing intelligent management on the target patient according to the selected monitoring management strategy. The problems that the self-management ability of patients is generally not high, CIED needs to be carried for lifetime, management is improper, the life quality is affected, manual management is mostly adopted at present, traditional follow-up visit depends on outpatient service, and continuous tracking is difficult can be solved.

A biostimulator, such as a leadless cardiac pacemaker, including coaxial fixation elements to engage or electrically stimulate tissue, is described. The coaxial fixation elements include an outer fixation element extending along a longitudinal axis and an inner fixation element radially inward from the outer fixation element. One or more of the fixation elements are helical fixation elements that can be screwed into tissue. The outer fixation element has a distal tip that is distal to a distal tip of the inner fixation element, and an axial stiffness of the outer fixation element is lower than an axial stiffness of the inner fixation element. The relative stiffnesses are based on one or more of material or geometric characteristics of the respective fixation elements. Other embodiments are also described and claimed.

A kind of in- situ pressure measuring device of leadless cardiac pacemaker sheath head, including leadless cardiac pacemaker sheath and pressure measuring module.Leadless pacemaker sheath includes cylindrical head, and the head includes end face, outer side and inner side;Pressure measuring module includes pressure monitoring sensing unit, signal processing transmission unit, power supply unit and flexible encapsulation layer, flexible encapsulation layer is wrapped pressure monitoring sensing unit, signal processing transmission unit and power supply unit, and pressure measuring module is fixed to head;Pressure monitoring sensing unit is located at end face and is conformed to end face;Signal processing transmission unit and power supply unit are located at outer side and are conformed to outer side.Pressure monitoring sensing unit is configured to monitor the pressure signal of end face, signal processing transmission unit is configured to process pressure signal and is transmitted to outside by wireless mode.This application can monitor in real time and wirelessly transmit the change data of head pressure of leadless pacemaker sheath during operation.

The utility model relates to the field of medical fixing instruments, in particular to an adjustable cardiac pacemaker postoperative compression fixing structure which comprises an oversleeve and an elastic bandage, the front side of the oversleeve is connected with a chest compression piece, the rear side of the oversleeve is connected with a back connecting piece, the chest compression piece is used for covering dressing at an incision, and the back connecting piece is used for connecting the back connecting piece. The rear end of the elastic bandage is fixed to the back connecting piece, a fixing buckle is arranged on the chest pressing piece, the elastic bandage can penetrate through the fixing buckle, a hook face of a hook-and-loop fastener is arranged on the surface of the front end of the elastic bandage, and a suede face of the hook-and-loop fastener is arranged on the other portion of the surface of the elastic bandage. The compression structure solves the problem that an existing compression structure is common in compression effect.

1. The name of the design product: implantable dual chamber leadless cardiac pacemaker. 2. The use of the design product: medical device for cardiac rhythm management. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

An intracardiac ventricular pacemaker is configured to detect a ventricular diastolic event from a motion signal received by a pacemaker control circuit from a motion sensor. The control circuit starts an atrial refractory period having an expiration time set based on a time of the detection of the ventricular diastolic event. The control circuit detects an atrial systolic event from the motion signal after expiration of the atrial refractory period and controls a pulse generator of the pacemaker to deliver a pacing pulse to a ventricle of a patient's heart at a first atrioventricular pacing time interval after the atrial systolic event detection.

The invention relates to a flexible wireless biological interface based on hydrogel and liquid metal and a preparation method, and belongs to the field of bioelectronics. The flexible wireless biological interface comprises a hydrogel substrate, a middle circuit layer and a hydrogel packaging layer, is of a sandwich structure and is applied to a cardiac pacemaker, and the manufacturing process comprises the steps that a hydrogel precursor solution is poured into a template to manufacture the hydrogel substrate and the packaging layer; preparing printing conductive ink; printing a liquid metal circuit pattern on the hydrogel substrate by using a template printing method; placing the components at the corresponding circuit positions, and dropwise adding liquid metal at the pin positions of the components; a nickel layer is pasted at the tail end of the circuit to serve as a stimulation output interface; and packaging a circuit by using the hydrogel packaging layer to prepare the flexible wireless cardiac pacemaker based on the hydrogel and the liquid metal. According to the invention, a liquid metal circuit is printed at one time by using a template printing technology, and a bioelectronic device can be manufactured on a hydrogel substrate.