30 results about "Pace maker" patented technology

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.

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.

The present application relates to the technical field of medical treatment, and in particular to a stimulation system for treating a tremor, and an action method and a stimulation parameter adjustment method. The stimulation system comprises: an execution part, which is used for applying to at least one target position of a human body a target stimulation action for treating a tremor; a collection part, which is used for collecting a movement state signal of at least one target position of the human body and collecting motor cortex electrocorticogram of the human body; and a control part, which generates target stimulation parameters on the basis of the movement state signal and the motor cortex electrocorticogram, and adjusts, on the basis of the target stimulation parameters, the target stimulation action for treating a tremor that is applied by the execution part. Therefore, the problems in the prior art, such as the effect of drug treatment being poor, a brain pacemaker surgery having a high risk, a high cost and a poor safety, and vibrating gloves treatment having poor comfort and user-friendliness and thus affecting normal daily life of patients, are solved.

A retrieval docking component includes a base and a limiting part. A distal end of the base along an axial direction is configured for connection with a body of an implantable medical device, and a proximal end of the base along an axial direction is connected to the limiting part. A radial outer dimension of the limiting part is greater than a radial outer dimension of the proximal end of the base. The limiting part includes at least two accommodation grooves along its circumference, which are open outwardly in radial direction of the limiting part and configured for capture a snare of a delivery device. The structure of the retrieval docking component provides adequate and reasonable accommodation space to the retrieval snare in a limited space, enabling the delivery device conveniently and reliably form a connection with the retrieval docking component, increasing success rate of retrieval and docking.

The disclosure relates to heart valve prostheses with the reduced need of pacemaker implantation and / or improved means for positioning the replacement heart valve. A heart valve prosthesis is provided with a stent and at least one locator. The locator has an adapted design for positioning within a cusp of the native aortic valve for implantation at the native heart valve site. Placement of the locators within the cusps preferably prevents movement from the native heart valve site post-implantation, including proximal movement of the prosthesis into the left ventricle.

The application relates to the technical field of medical devices, and discloses a screw-out type multi-electrode leadless pacemaker for left bundle branch region pacing, which comprises a capsule shell, a screw rod, a micro electrode bundle and a second driving mechanism; a power storage control system and a first driving mechanism are installed in the capsule shell; one end of the screw rod is connected with the output end of the first driving mechanism, and the other end is slidably extended out of the capsule shell; the screw rod is hollow, a plurality of guide holes are arranged on the outer wall of the side of the screw rod away from the capsule shell in a scattered manner; the micro electrode bundle comprises a plurality of micro electrodes, one side of the micro electrodes is fixedly connected, and the other side of the micro electrodes respectively extends into the plurality of guide holes. The three-dimensional anchoring network can be formed to provide multi-directional anti-torsion and anti-shearing force, accurate positioning, stable anchoring and intelligent electrode site selection can be realized, the fixing efficiency is far higher than that of single screw or claw type fixing, and the dislocation risk is significantly reduced.

Described herein are methods, devices, and systems that enable a remote non-implantable device (RNID) to send commands to a leadless pacemaker (LP) implanted within a patient. The RNID provide commands to a local non-implantable device (LNID) over one or more communication networks, and the LNID sends the commands to a second implantable device (SID) by transmitting radio frequency (RF) communication signals, which include the commands, using an antenna of the LNID. After receiving the commands from the LNID, by receiving RF communication signals that include the commands using an antenna of the SID, the SID transmits conductive communication signals, which include the commands, using electrodes of the SID. The LP receives the commands from the SID by receiving the conductive communication signals, which include the commands, using electrodes of the LP, and the LP performs command responses based on the commands that originated from the RNID.

The utility model provides a stomach pacemaker electrode, namely a stomach pacemaker, and relates to the technical field of gastrointestinal pacing equipment, the stomach pacemaker electrode comprises an electrode main body; the electrode main body is provided with an implanting part, a suturing part and a wiring part; the implantation part is located at one end of the electrode main body and can penetrate into the outer wall of the stomach to fix the electrode main body; the suturing part is arranged on one side of the implanting part, and the suturing part is used for being matched with a suturing line so that the suturing line can tightly press the electrode body on the surface of the outer wall of the stomach; the wiring part is located at the other end of the electrode body and used for being connected with a wire. The wiring part is used for welding a wire to be connected with the chip, the implanting part penetrates into the outer wall of the stomach, the other end of the electrode main body is fixedly bound on the outer wall of the stomach through a suture line, the suture line is used for tightly pressing the suture line on the outer wall of the stomach, the two ends of the electrode main body are fixed to ensure that the electrode main body can be attached to the tissue of the stomach, and the fixing effect is excellent; the electrode main body is firmly attached to stomach tissue, and electric signal conduction is stable.

The utility model relates to the field of medical equipment, disclose a kind of postoperative wound compression hemostasis device, including storage bag, first connecting belt and second connecting belt, storage bag has cavity, the cavity is used to put into salt bag or sandbag, first connecting part, second connecting part and third connecting part are formed on the storage bag;First connecting belt one end is set in the first connecting part, the other end is wound from the right side of chest to back, and with the third connecting part detachable connection, the third connecting part is located on shoulder part;Second connecting belt one end is set in the second connecting part, the other end is wound from the left side of chest to back, and with the first connecting belt detachable connection.The utility model is stored in storage bag by storing salt bag, cooperate the connecting mode of first connecting belt and second connecting belt, so that the salt bag in storage bag is fully contacted with the position of patient's wound, and is adhered to patient's wound, not easy to slip, keep sustained effective compression state, guarantee the effect of pressure hemostasis.

A dual-chamber leadless pacemaker (LP) system includes a first leadless pacemaker (LP1) and a second leadless pacemaker (LP2), wherein LP1 is configured to be implanted in or on a first heart chamber and deliver pacing pulses to the first heart chamber, and LP2 is configured to be implanted in or on a second heart chamber and deliver pacing pulses to the second heart chamber. Information is obtained regarding the amplitude of the pacing pulses delivered by LP2 to the second heart chamber and / or the sensitivity of a sensing circuit of LP1, which is configured to be used by LP1 to detect the inherent depolarization of the first heart chamber. A crosstalk protection duration is determined based on at least some of this information, such that it is performed for an appropriate duration when crosstalk protection is executed.

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.

1. Name of the product in this design: Wound Hemostatic Gown (for use after permanent pacemaker surgery). 2. Purpose of this design: for medical use, primarily for postoperative hemostasis. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. This design is for a thin product, therefore the left view, right view, bottom view, and top view are omitted. 6. Refer to the diagram for usage. The left and right bags contain salt bags, which are used to apply pressure to stop bleeding.

The utility model belongs to the technical field of medical auxiliary instrument, provide a kind of TAVR in operation guide wire pacing with adapter, including the anode adapter terminal and body surface electrode patch of electric connection, and the cathode adapter terminal and guide wire crocodile clip of electric connection;Anode adapter terminal is provided with anode pin, cathode adapter terminal is provided with cathode pin, to be connected with temporary pacemaker by anode pin and cathode pin, to be connected with pacing guide wire system by body surface electrode patch and guide wire crocodile clip.The TAVR in operation guide wire pacing with adapter provided by the utility model solves the problem that there is currently lack of adapter specially used for connecting guide wire and temporary cardiac pacemaker, reduces the complexity and complexity of guide wire connection in guide wire pacing process, improves operation convenience, simultaneously avoids the problem that the conductive connection end is exposed caused by using long needle or needle head connection crocodile clip, to avoid short-circuit phenomenon, improve the stability and security of connection.

A biostimulator, such as a leadless cardiac pacemaker, having a flexible circuit assembly, is described. The flexible circuit assembly is contained within an electronics compartment between a battery, a housing, and a header assembly of the biostimulator. The flexible circuit assembly includes a flexible substrate that folds into a stacked configuration in which an electrical connector and an electronic component of the flexible circuit assembly are enfolded by the flexible substrate. An aperture is located in a fold region of the flexible substrate to allow a feedthrough pin of the header assembly to pass through the folded structure into electrical contact with the electrical connector. The electronic component can be a processor to control delivery of a pacing impulse through the feedthrough pin to a pacing tip. Other embodiments are also described and claimed.

This invention discloses a shoulder and neck function training aid for patients with cardiac pacemakers, relating to the field of medical device technology. It includes a base, a support frame fixedly connected to the upper surface of the base, a reinforcing rib fixedly connected to one side of the support frame, a base fixedly connected to the lower surface of the reinforcing rib, an adjusting cylinder fixedly connected to the upper surface of the base, a seat fixedly connected to the telescopic end of the adjusting cylinder, a limiting mechanism for limiting the movement of the seat provided on the side of the support frame near the seat, a backrest fixedly connected to the upper surface of the seat, and two symmetrically arranged propulsion airbags on the front end of the backrest. The advantages are: it provides patients with repositionable support, allowing patients to control the application force and provide different levels of shoulder and neck function training assistance; it is suitable for different patients; and the adjusting cylinder, seat, and backrest can be adjusted according to different patients' needs, improving the comfort and applicability of the device.

The invention relates to an electronic implant (100a,b) for implantation into the body of a living being and for monitoring and / or stimulating a bodily function, in particular a pacemaker for monitoring and / or stimulating the human heart, wherein the implant comprises: a housing (1a) which accommodates (i) electronics connected to an electrode (3a) configured to monitor bodily function via the electrode (3a) and / or to deliver a stimulation pulse to a body section (H), and (ii) a preferably rechargeable energy storage device (2a) for the long-term supply of electrical energy to the electronics; and an anchoring section (VA) for anchoring the electronic implant (100a,b) to the body section (H), wherein the anchoring section (VA) comprises an anchor (VA1) which is screwed into the body section (H) by a rotational movement, and a rotation lock which preferably extends in the direction of a rotational axis (RA) corresponding to the rotational movement and prevents a rotational movement of the anchor (VA1) in the opposite direction to the rotational movement after the anchor (VA1) has been screwed in.

The utility model discloses a kind of cardiac pacemaker lead wires, comprising: conductive transmission module, it includes conductor, the outer surface of the conductor is covered with insulating layer, two ends of the conductor are respectively fixed with two electrode heads, one of the electrode heads is used to contact with cardiac tissue, realize the perception and stimulation of electrical signal, limiting fixed module, it includes the corrugated sleeve and sleeve assembly of sliding sleeve in the conductor exterior, the sleeve assembly is fixedly connected with multiple evenly distributed oblique barbs.This utility model can hook pericardium of surrounding tissue by oblique barb, thereby preventing conductor from displacement, when pulling out conductor, only need to rotate conductor to make oblique barb not hook pericardium, can be smoothly extracted, by corrugated sleeve, sleeve assembly can be allowed to move moderately, make electrode head always keep good contact with cardiac tissue, and reduce the damage caused by oblique barb to endocardium in pulling process.

The present application relates to the field of medical technologies, and in particular to a vibration wristband and system for treating tremor, a control method, a storage medium, and a product. The vibration wristband comprises: a wristband body, and an execution part, a collection part, and a control part which are arranged on the wristband body. The execution part is used for applying a target vibration action for treating tremor to a target position corresponding to the vibration wristband. The collection part is used for collecting a motion state signal of the target position corresponding to the vibration wristband. The control part is used for generating target vibration parameters on the basis of the motion state signal, and adjusting, on the basis of the target vibration parameters, the target vibration action for treating tremor applied by the execution part. Thus, the problems in the prior art such as poor efficacy of drug therapy, high risk, high cost, low safety, and significant side effects of deep brain stimulation surgery, and poor comfort and lack of user-friendliness of vibrating glove treatment which affects normal daily activities of patients are solved.

The application is suitable for the fields of biological medicine and medical devices, and provides a medicine and device composition for preventing pacemaker pocket complications and application, which is a single entity including a drug component and a medical device component; the drug component is a double-layer core-shell nanoparticle co-loading bupivacaine and a magnesium agent, wherein the double-layer core-shell nanoparticle has an inner core and an outer shell, the inner core is a PLGA nanoparticle loading the magnesium agent, and the outer shell is a lipid bilayer loading bupivacaine, and the lipid bilayer is wrapped on the outer surface of the inner core; the medical device component is a temperature-sensitive gel matrix and a drug delivery device, the double-layer core-shell nanoparticles are uniformly dispersed in the temperature-sensitive gel matrix to form a composite temperature-sensitive gel, and the drug delivery device is used for injecting the composite temperature-sensitive gel, and the application provides a multifunctional medicine and device composition integrating analgesia, anti-inflammation and anti-infection for preventing pacemaker pocket complications, and has important clinical transformation value.

A delivery catheter and method for implanting a pacemaker lead. The delivery catheter includes a catheter body with a lumen, first and second electrodes connected with respective first and second conductor wires connecting the first and second electrodes to an energy source. The method includes inserting a delivery catheter into the patient, the catheter having a distal electrode, breaching cardiac tissue with the electrode, and inserting a pacemaker lead though the delivery catheter and electrode into the patient.

This invention provides a surgical headgear for permanent pacemaker interventional surgery, relating to the field of medical device technology, and includes the following steps: S1, preparing an MXene-cellulose composite substrate; S2, modifying the surface of the substrate to heterogeneous wettability; S3, coating a gradient porous adsorption coating; S4, laser etching of a microfluidic structure; S5, depositing a nano-silver antibacterial layer; S6, hot-pressing curing treatment; S7, performance parameter testing. This invention achieves rapid moisture absorption, targeted sweat wicking, and efficient evaporation of the surgical headgear during prolonged wear through four core functions of the MXene-cellulose composite substrate: efficient sweat adsorption, heterogeneous wettability gradient transport, gradient porous coating evaporation, and long-lasting antibacterial effect of nano-silver. Simultaneously, hot-pressing curing ensures structural stability (peel strength ≥ 5 N / cm), solving the problems of sweat accumulation, poor breathability, and cross-infection risk associated with traditional headgear.

1. Name of this design product: Postoperative restraint belt for children with pacemakers. 2. Purpose of this design: To protect patients after pacemaker surgery. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

A medical device is disclosed for monitoring and modulating uterine contractions. The medical device may include a uterine pacemaker and an intravaginal electrode carrier, which may both be located within the body. The intravaginal electrode carrier includes sensing and modulating electrodes that measure uterine electroactivity and apply electrical modulation, respectively. The uterine pacemaker receives the measured uterine electroactivity from the intravaginal electrode carrier and generates the electrical modulation applied by the modulating electrodes. The electrical modulation may be used to inhibit or induce uterine contractions. The intravaginal electrode carrier may be used in addition or as an alternative to an external uterine muscle activity monitor (e.g., a tocodynamometer) for a more accurate measure of uterine contractions that is noninvasive.

1. Name of the product in this design: Temporary pacemaker. 2. Purpose of this design: This design is intended for use in temporary cardiac pacemakers. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The utility model relates to medical instrument detection technical field and disclose a kind of implantable pacemaker pressure cycle tester, including bottom plate and the fixed installation of test jar in bottom plate and with the controller of test jar electric connection, the side of test jar close to bottom plate is provided with drain pipe and penetrates, the test jar is fixedly installed with limit component at outer wall close, the test jar is fixedly installed with extension plate at the other end away from bottom plate, the other end away from bottom plate of the test jar is provided with the top cover compatible with limit component. The implantable pacemaker pressure cycle tester, by the cooperation of limit block two, cushion block and drag hook, when test piece is placed in the inside of test jar, limit block two can be rotated by drag hook, then make cushion block and limit block two spin into the inside of threaded rod, then cushion block can be extruded top cover, then limit block two and top cover can be locked, can avoid pressure relief when carrying out pressure test.

A device includes a signal generator module, a processing module, and a housing. The signal generator module is configured to deliver pacing pulses to an atrium. The processing module is configured to detect a ventricular activation event and determine a length of an interval between the ventricular activation event and a previous atrial event that preceded the ventricular activation event. The processing module is further configured to schedule a time at which to deliver a pacing pulse to the atrium based on the length of the interval and control the signal generator module to deliver the pacing pulse at the scheduled time. The housing is configured for implantation within the atrium. The housing encloses the stimulation generator and the processing module.