24 results about "Heart pacemakers" patented technology

The application provides a sub-threshold heart communication method, system, device, medium and application, and belongs to the technical field of biomedical engineering. The method comprises the following steps: constructing a communication channel formed by coupling of multiple three-dimensional myocardial cell models; modulating physiological information into a sub-threshold electrical signal and injecting the signal into the channel for transmission; demodulating the signal at a receiving end to recover the information; wherein a physiological noise model is integrated in the channel to simulate a real physiological environment. The system corresponds to a transmitting end, a communication channel and a receiving end. The application adopts the sub-threshold heart communication method, system, device, medium and application, the three-dimensional myocardial cell model is used to more truly simulate a heart tissue structure, the complete communication process simulation of the sub-threshold electrical signal in a noise environment is realized for the first time, the existing research gap is filled, and an innovative technical platform is provided for research on cardiac electrophysiological mechanisms, performance optimization and evaluation of implantable medical devices such as a cardiac pacemaker.

The utility model discloses a postoperative lower limb fixing and ankle pump counting device which comprises a sponge cushion body, a cardiac pacemaker and an ankle pump device, a U-shaped groove is formed in the top of the sponge cushion body, the lower limb of the human body is placed in the groove in a matched mode, inserting grooves are formed in the left side and the right side of the rear side of the sponge cushion body, a fixing frame is inserted in the inserting grooves, the cardiac pacemaker is fixedly arranged on the fixing frame, and the ankle pump device is arranged on the ankle pump device. A fixing cavity is formed in the front side of the sponge cushion body, and the ankle pump device is arranged on the side, close to the ankle, of the fixing cavity. The U-shaped groove is formed in the top of the sponge cushion body, so that the lower limbs of the human body are suitable for being placed and fastened, and the lower limbs of a patient are prevented from being bent autonomously; the cardiac pacemaker is placed in the transparent box on the fixing frame, so that the cardiac pacemaker can be prevented from falling off and falling off, and a nurse can conveniently check the cardiac pacemaker in real time; the ankle pump device is arranged on the fixed cavity, postoperative rehabilitation training of a patient is facilitated, medical staff can check the ankle pump movement condition of the patient conveniently, the active movement compliance of the patient is improved, and the ankle pump device is novel in structure, high in practicability and suitable for popularization.

The utility model discloses a mind mapping sounding device for a cardiac pacemaker implanted patient, relates to the technical field of medical auxiliary equipment, and aims to solve the problems that in the prior art, traditional patient education depends on written materials or oral explanation, information is fragmented, the memory retention rate of the patient is low, and postoperative follow-up visit content is complex and is difficult for the patient to remember. Comprising a flexible map guide board and a control box, the upper end of the flexible map guide board is provided with a middle node, a first node and a second node, one side of the first node and one side of the second node are provided with a touch sensing area, the control box is provided with a prompt lamp and a voice interaction module, and the voice interaction module comprises a voice output module and a voice input module. A master control module, a storage module, a data interaction module and a follow-up time management module are further installed in the control box. Operation knowledge, postoperative care, follow-up visit nodes and the like are integrated through mapping, the cognitive level and follow-up visit compliance of a patient are remarkably improved, and the occurrence rate of complications is reduced.

Anchoring prong arrangement (1) for a medical implant (100), in particular for an intracardiac pacemaker (100), comprising a plurality of anchoring prongs (2) which are preferably connected to an annular base (3) and preferably project from it, wherein each anchoring prong (2) has a base section (20), an intermediate section (21) adjoining the base section and a tip (22) adjoining the intermediate section for penetrating tissue, wherein the respective intermediate section (21) is coated with gold and wherein the respective tip (22) is free of gold, so that the respective tip (22) has a cross-section that is smaller than the cross-section of the intermediate section (21) adjoining the tip (22).

An ICE imaging system is disclosed, which comprises an Intracardiac echocardiography (ICE) catheter having a longitudinal axis, a proximal end, and a distal end. The ICE catheter corresponds to a micro-electromechanical (MEMS) or other transducer based phased array ultrasound catheter with an out diameter of 6 French or smaller for delivery through an internal jugular, subclavian, axillary, innominate venous system into heart chambers for the purpose of lead placement for a pacemaker or other implantable cardioverter defibrillator (ICD) device. Further, a catheter shaft houses an electronic flex cable which is in communication with at least one signal trace, and is configured to direct a plurality of transducer array elements to transmit and receive ultrasound beams, receive at least one signal from the plurality of transducer array elements, and construct at least one image of at least a portion of the heart based on the at least one signal.

We provide implantable medical devices, computer implementation methods for their use, protective cases, cables, connectors, computer programs, and computer-readable data carriers. [Solution] The present invention relates to communication adapters 1, 101, 201, and a computer implementation method for use with an implantable medical device 10, particularly a pacemaker, defibrillator, and / or nerve stimulator, for transferring data D1, D2 between the implantable medical device 10 and a mobile device 12, particularly a smartphone or tablet. In addition, the present invention relates to a protective case 22, a cable 122, and a connector 222, each comprising a communication adapter 1, 101, 201.

The invention discloses an implantable resonant generator with high energy output. The implantable resonant generator comprises an energy acquisition unit and an energy output unit. Wherein the energy acquisition unit comprises a permanent magnet, a magnetic induction coil and a cylindrical support body, and can collect mechanical energy generated under slight vibration and further convert the mechanical energy into electric energy; the energy output unit comprises a patch rectifier bridge and a monolithic capacitor, and can output the electric energy generated by the resonant generator device as stable DC voltage and DC current. The device has the advantages of being small in size, light in weight, simple in structure, good in weather resistance and the like, and can provide an energy source for medical electronic devices implanted into the human body, such as a cardiac pacemaker and the like. A series of follow-up problems that medical electronic devices need to be replaced in an operation due to energy exhaustion can be effectively avoided.

The invention relates to the technical field of medical monitoring equipment, in particular to a cardiac pacemaker pocket pressure intelligent remote monitoring device which comprises a fixing device, the fixing device is a treatment type pressurization vest, and the treatment type pressurization vest is made of medical hypoallergenic pinhole breathable diving materials and is integrally formed through a digital computer knitting technology; the treatment type pressurizing vest body is provided with a double-layer elastic breathable knitted net bag structure, the joints of the vest body are provided with adjustable three-point buckles made of medical-grade ABS materials, the inner-layer net bag is used for fixing the pressurizing device, and the edge of the inner-layer net bag is provided with an anti-skid elastic band. According to the heart pacemaker bag pressure intelligent remote monitoring device, a non-target area is prevented from being pressed by matching the shape of a medical high-strength TPU air bag with a skin projection area outside a pacemaker bag body, and air backflow and leakage can be effectively prevented by matching with a pressure one-way valve and a rotary buckle type IP67-level sealing pipeline which are arranged in a handheld inflation ball; and the set pressure is stably kept.

The present invention relates to an implantable energy harvester. According to the present invention, a coiled carbon nanotube yarn electrode is used as a working electrode constituting the energy harvester, wherein a portion of one end of the working electrode is fixed inside a housing and a portion of the other end is exposed outside the housing, so that the energy harvester, when attached to a heart, facilitates cardiac motion by applying electrical stimulation to the surface of the heart through exposed electrodes by means of electrical energy harvested from strain changes in the working electrode caused by cardiac motion without requiring a power source, and thus can be usefully employed as a power-source-less heart pacemaker and further applied to in vivo electrical stimulation therapy.

The utility model discloses a cardiac pacemaker patient shoulder and neck function training aid which comprises a waistband, zipper belts are arranged on the waistband, the zipper belts are symmetrically arranged on the waistband, zipper pullers are connected to the zipper belts in a sliding mode, rolling boxes are connected to the zipper pullers in a rotating mode, training belts are contained in the rolling boxes, and the tail ends of the training belts are connected with hand wearing devices. A user wears the belt to be attached to the figure, spring clamps are further arranged on the zipper belt, the two spring clamps are arranged on the two sides of the zipper head, and the zipper head is limited through the spring clamps when the zipper head slides to a preset position; the braking part is pressed down, the braking part is separated from the winding drum, the training belt is pulled to the proper training length, the braking part is loosened, the braking part abuts against the winding drum, the winding drum is limited, the length of the training belt is fixed, and a user drives arms to train under the limitation of the length of the zipper belt and adjusts the position of the zipper head and the length of the training belt so as to exercise muscles at different positions of the shoulder and the neck.

The invention provides a dual-frequency implantable antenna based on a winding line structure. The dual-frequency implantable antenna is used for solving the technical problem that an existing implantable antenna cannot realize high-frequency-ratio dual-frequency work. Comprising an upper layer substrate used for isolating a radiator and biological tissue, a middle layer substrate used for installing a winding line radiation patch, and a bottom layer substrate reserved with a rectification circuit integration space. The upper layer substrate, the middle layer substrate and the bottom layer substrate are sequentially arranged in a stacked mode from top to bottom, a winding line radiation patch is attached to the middle layer substrate, and the winding line radiation patch comprises more than two asymmetrical winding patch units. And the plurality of winding patch units used for increasing the length of a current path so as to realize a dual-frequency resonant mode are connected in sequence. Synchronous work of a 915 MHz frequency band wireless energy receiving mode and a 2.5 GHz frequency band data telemetering mode can be achieved, and the power supply circuit is suitable for implantable medical equipment needing continuous power supply such as intracranial pressure monitoring and cardiac pacemakers.

The invention relates to an electronic implant (100a, b) for implantation in a body of a living being and for monitoring and / or stimulating a bodily function, in particular a cardiac 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), the electronics being designed to monitor the bodily function via the electrode (3a) and / or to deliver a stimulation pulse to a body region (H), and (ii) a preferably rechargeable energy store (2a) for the long-term supply of electrical energy to the electronics; and an anchoring portion (VA) for anchoring the electronic implant (100a, b) to the body region (H), wherein the anchoring portion (VA) comprises an anchor (VA1) which, as intended, is screwed into the body region (H) by a rotational movement, and an anti-rotation mechanism which preferably extends in the direction of a rotational axis (RA) corresponding to the rotational movement and which, after the anchor (VA1) has been screwed in, prevents a rotational movement of the anchor (VA1) in a direction opposite to the rotational movement.

Examples herein provide a cardiac pacemaker electrode lead delivery sheath, the delivery sheath including a sheath tube, the sheath tube including at least a first tube segment disposed at a distal end thereof, the first tube segment having a first curved segment and a second curved segment disposed at the distal end thereof, wherein an included angle between a first bending surface of the first curved segment and a second bending surface of the second curved segment is 45° or greater.

This paper describes devices, systems, and methods for improving conducted communication between medical devices, such as leadless pacemakers (LCPs) and nonvascular implantable cardioverter defibrillators (NV-ICDs). To enhance channel noise immunity, inter-implant (i2i) communication can encode bit values ​​as orthogonal pseudo-noise pulse waveforms. When a first implantable device communicates with multiple devices, multiple data streams from these devices can be encoded as composite bits, each composite bit containing bits from each of the multiple intended receiving devices, and at least one bit in each data stream is encoded as an orthogonal pseudo-noise pulse waveform.

Resorbable implants, coverings and receptacles comprising poly(butylene succinate) and copolymers thereof have been developed. The implants are preferably sterilized, and contain less than 20 endotoxin units per device as determined by the limulus amebocyte lysate (LAL) assay, and are particularly suitable for use in procedures where prolonged strength retention is necessary, and can include one or more bioactive agents. The implants may be made from fibers and meshes of poly(butylene succinate) and copolymers thereof, or by 3d printing molding, pultrusion or other melt or solvent processing method. The implants, or the fibers preset therein, may be oriented. These coverings and receptacles may be used to hold, or partially / fully cover, devices such as pacemakers and neurostimulators. The coverings, receptacles and implants described herein, may be made from meshes, webs, lattices, non-wovens, films, fibers, foams, molded, pultruded, machined and 3D printed forms.

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 utility model discloses a cardiac pacemaker post-operation sandbag anti-slip device which comprises a sandbag part, the sandbag part is used for pressing the incision of a user, a composite fabric is arranged on one side, facing the incision, of the sandbag part, a first binding assembly is arranged on the top of the sandbag part, and the first binding assembly is bound on the back of the user. The second binding assembly is obliquely arranged at the top of the sandbag part, the second binding assembly bypasses the armpits and the neck of the user for binding, and the third binding assembly is arranged on the side of the sandbag part and is bound to the shoulders of the user. The sandbag piece, the composite fabric, the first binding assembly, the second binding assembly and the third binding assembly are used in a matched mode, the first binding assembly can be bound to the chest and waist of a user, the second binding assembly can be bound to the armpits and the neck, and the third binding assembly can be bound to the shoulders; therefore, the sandbag part is bound and limited in multiple directions, and the stability of the sandbag part in use is improved.

The invention discloses a biocompatible collagen-LM / CNT hydrogel as well as a preparation method and application thereof, and belongs to the field of bioelectronic shielding. According to the present invention, the fish scale derived collagen and liquid metal-carbon nano-tube (LM-CNTs) composite material is subjected to in-situ polymerization so as to develop the super-stretchable and biocompatible hydrogel; according to the fish scale derived collagen hydrogel integrated with the LM-CNT network, the excellent EMI shielding efficiency (the X wave band is 56.33 dB), the ultrahigh stretchability (2230%) and the high conductivity (50.75 S / m) are achieved at the same time. The unique three-dimensional LM-CNT architecture realizes efficient electromagnetic dissipation, while the natural collagen matrix ensures complete biocompatibility, which is crucial to the application of cardiac pacemakers and neural interfaces. The combination of this performance and biosafety makes the material a general solution for the next generation of bioelectronic shielding.

The armpit protection pad comprises a strap, a first supporting rod, a second supporting rod and a protection pad assembly, the strap is fixed to an arm, a mounting cavity is formed in the first supporting rod, one end of the first supporting rod is connected with the strap, a mounting hole is formed in the other end of the first supporting rod, one end of the second supporting rod is inserted into the mounting cavity, and the other end of the second supporting rod is connected with the protection pad assembly. A spring is arranged between the second supporting rod and the installation cavity. When in use, the strap is fixed on the upper arm of a patient, the protection pad is positioned in the armpit, and the spring is compressed, so that when the position of the upper arm of the patient is changed, the protection pad cannot fall off from the armpit under the supporting action of the strap, the first supporting rod and the second supporting rod, and even if the upper arm of the patient slightly extends outwards, the protection pad cannot fall off from the armpit under the jacking action of the spring. The protection pad can still be kept in the armpit and cannot fall off from the armpit, so that absorption of sweat in the armpit can be prevented from being affected, and the situation that the workload is increased due to the fact that medical workers place protection pads again for a patient frequently can be avoided.

The utility model discloses a kind of compression fixing devices for cardiac pacemaker postoperative, including back pad, the two sides of the back pad are equipped with left annular belt and right annular belt, the upper end of the back pad is connected with the one end of upper shoulder strap, the other end of the upper shoulder strap is connected with net bag, the net bag is connected with the one end of lower shoulder strap, the lower shoulder strap, left annular belt and right annular belt are connected with three item inserts respectively.The utility model newly adds a back pad in patient back position, the contact area with sickbed is increased by enlarged back pad, and the pressure of annular belt and shoulder strap to back, waist, shoulder can also be dispersed, prevent long time braking from producing blood stasis and scar, through net bag design, it can be guaranteed that fixed compression bag carries out compression to wound, and also can observe whether there is cyanosis and exuding blood etc. in surgical incision, through three item inserts, annular belt and shoulder strap are connected, avoid the problem of discomfort and inconvenient operation that multiple connection positions bring to patient.

The invention discloses a heart pacemaker implanter health monitoring method based on data analysis, and relates to the technical field of medical health monitoring, and the method comprises the steps: carrying out the biomechanical state mapping of a dynamic impedance sequence and electrocardio phase marking data, generating a myocardial contact stress vector, and carrying out the measurement of the myocardial contact stress vector; performing abnormal mode recognition and probability density modeling on the myocardial contact stress vector to form a contact abnormal event atlas, inputting the contact abnormal event atlas into a multi-mode health monitoring model, performing high-frequency attenuation characteristic decomposition on the heart sound branch layer, performing impedance fluctuation variance extraction and weighted aggregation on the probability inference layer, and outputting a three-color grading early warning instruction. According to the method, dynamic change rate analysis and phase marking are performed on the physiological data set of the implanter, and the multi-modal health monitoring model is constructed synchronously, so that the fusion efficiency of multi-source physiological information is improved, and the overall accuracy and reliability of health monitoring are improved.

Resorbable implants, coverings and receptacles comprising poly(butylene succinate) and copolymers thereof have been developed. The implants are preferably sterilized, and contain less than 20 endotoxin units per device as determined by the limulus amebocyte lysate (LAL) assay, and are particularly suitable for use in procedures where prolonged strength retention is necessary, and can include one or more bioactive agents. The implants may be made from fibers and meshes of poly(butylene succinate) and copolymers thereof, or by 3d printing molding, pultrusion or other melt or solvent processing method. The implants, or the fibers preset therein, may be oriented. These coverings and receptacles may be used to hold, or partially / fully cover, devices such as pacemakers and neurostimulators. The coverings, receptacles and implants described herein, may be made from meshes, webs, lattices, non-wovens, films, fibers, foams, molded, pultruded, machined and 3D printed forms.

1. The name of the design product: compression device. 2. The use of the design product: compression device for reducing local bleeding and hematoma after permanent cardiac pacemaker implantation surgery, which needs to be given local pressure and fixed by the device. 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 name of the design product: heart pacemaker fixing belt. 2. The use of the design product: used for fixing heart pacemaker after operation, preventing displacement and promoting wound healing. 3. The design points of the design product: in shape. 4. The picture or photo best indicating the design points: perspective view 1.