25 results about "Cardiac pacemaker" patented technology

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.

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.

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. 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.

The utility model discloses a cardiac pacemaker fixing assembly, and relates to the field of medical devices, the cardiac pacemaker fixing assembly comprises a placing box, one side of the placing box is fixedly connected with a first elastic band, the other side of the placing box is fixedly connected with a second elastic band, the surface of the first elastic band and the surface of the second elastic band are both fixedly connected with a third elastic band, and the third elastic band is fixedly connected with a third elastic band. An arc-shaped surface is arranged on the inner wall of one side of the placement box, a vertical surface is arranged on the inner wall of the other side of the placement box and used for being attached and matched with the surface of a product shell of the cardiac pacemaker, and a positioning anti-falling mechanism is arranged on the surface of the placement box. According to the utility model, the arc-shaped surface and the vertical surface are used for fitting and matching with the surface of the product shell of the cardiac pacemaker, and the contact arc groove is used for fitting and matching with the surface of the product shell of the cardiac pacemaker, so that the stability of the cardiac pacemaker placed in the placement box is limited through the two surfaces; and meanwhile, the cardiac pacemaker can be quickly replaced and detached.

The utility model discloses an armband type cardiac pacemaker post-operation magnetic field monitoring device, which relates to the technical field of monitoring equipment, and comprises an equipment shell, an equipment buckle cover is detachably mounted on the equipment shell, two sides of the equipment shell are symmetrically provided with hanging shafts, the two hanging shafts are respectively connected with two ends of an elastic armband, and the elastic armband is connected with the equipment buckle cover. An equipment opening is formed in one side of the equipment shell, an arm band inner tongue is fixed to the end, close to the equipment opening, of the elastic arm band, a driving structure used for tightening and loosening the arm band is arranged in the equipment shell, and the arm band inner tongue penetrates through the equipment opening, enters the equipment shell and is connected with the driving structure; a monitoring structure for controlling the driving structure is further arranged in the equipment shell, and a battery for providing power for the driving structure and the monitoring structure is installed in the equipment shell. The cardiac pacemaker is beneficial to enhancing the self-protection consciousness of a patient and preventing the magnetic field from influencing the normal work of the cardiac pacemaker.

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.

The invention relates to the technical field of wireless electric energy transmission, and particularly discloses a PT symmetric wireless electric energy transmission system for a cardiac pacemaker and a parameter design method, and the system employs an S-0 topology of which a primary side is connected with an adjustable capacitor in series and a secondary side only comprises a coil and a load, and detects the voltage, current and zero phase angle frequency at the primary side in real time. Mutual inductance between coils is identified on line, and a capacitance value is adaptively adjusted according to the mutual inductance, so that the system always works in a PT symmetrical state. According to the system and the parameter design method, any compensation element of the secondary side is not needed, the implantation end is extremely simplified and miniaturized, meanwhile, high stability of output power and transmission efficiency in a wide coupling range is guaranteed, and the position robustness and the overall reliability of the wireless power supply system of the cardiac pacemaker are remarkably improved.

The electrode lead conveying system for facilitating cutting and removing a sheath belongs to the technical field of cardiac pacemaker implantation, and comprises a conveying carrier with a shell and a movable sheath seat, a cutting assembly movably arranged in the shell, and a driving handle movably arranged on the shell and below the sheath seat. A rotatable clamping piece is arranged in the sheath seat. A plow-shaped cutting edge is arranged on the cutting assembly and faces the sheath seat. The driving handle is in transmission connection with the clamping piece and the cutting assembly. When the driving handle moves, the clamping piece can drive the sheath to be radially abutted against the inner wall of the through hole, so that the sheath seat can drive the sheath to move synchronously, and the cutting edge can be synchronously driven to be higher than the electrode lead in the sheath by at least one sheath wall thickness and lower than the electrode lead in the sheath. The sheath seat can be driven by the clamping piece to move towards the direction close to the cutting edge, so that the cutting edge cuts into the end of the sheath to realize the cutting and removal of the sheath. The operation can be performed by one hand, and the operation is simple, stable, difficult and low-risk.

The utility model discloses a cardiac pacemaker electrode lead signal adapter, which belongs to the technical field of medical instruments and particularly comprises a sleeve and a forceps holder seat. An anode wiring assembly and a cathode wiring assembly which are used for being connected with an anode column and a cathode column of a cardiac pacemaker electrode wire and can rotate are arranged in the sleeve. And two conducting strips are fixed on the forceps holder seat and are electrically connected with the anode wiring assembly and the cathode wiring assembly respectively. According to the utility model, the electrode terminal of the electrode lead is connected in a plugging manner, and the 360-degree unobstructed rotation design of the cathode wiring assembly and the anode wiring assembly and the independently arranged wire clamp mechanism are matched, so that the unobstructed rotation of the electrode lead can be ensured, and the rotation of the electrode lead can be ensured during the rotation process. And the cathode column and the anode column can always keep stable signal connection with the adapter, so that the detection instrument can continuously display electrode signals in real time, and the installation efficiency and accuracy of the cardiac pacemaker electrode lead are improved.

This invention relates to an energy harvester (7) and charger (1) system that utilizes rotating magnetic field technology to meet the energy needs of biomedical devices that are implantable into the body by a minimally invasive method. This technology aiming to solve the problem of battery depletion in devices such as pacemakers will significantly reduce the dependence on surgical interventions. The charger (1), electric motor (3), and permanent magnets (6) provide the energy harvester (7) with a variable magnetic field. The energy harvester (7) converts alternating current into direct current by generating electric current in its coil / coils (8) with this magnetic field. The generated energy is stored in a rechargeable battery (12) in accordance with the levels required by biomedical devices. The system works with low-frequency magnetic fields to keep SAR values within safe limits and minimizes negative effects such as tissue heating. It also ensures efficient energy production. The materials used in the energy harvester are biocompatible and toxic effects are avoided. The invention reduces the risks of surgery and increases patient comfort with its minimally invasive nature. It provides economic and health advantages by reducing the frequency of battery replacement of implantable devices such as pacemakers. It can also be used in other biomedical devices such as defibrillators, neurostimulators, cochlear implants, and retinal implants.

The utility model discloses a pressure measuring device at the head end of an intraoperative lead-free cardiac pacemaker sheathing canal. The pressure measuring device comprises the lead-free cardiac pacemaker sheathing canal and a pressure measuring module, the lead-free pacemaker sheathing canal comprises a cylindrical head end, and the head end comprises an end face, an outer side face and an inner side face. The pressure measurement module comprises a pressure monitoring sensing unit, a signal processing transmission unit, a power supply unit and a flexible packaging layer, and the flexible packaging layer wraps the pressure monitoring sensing unit, the signal processing transmission unit and the power supply unit and enables the pressure measurement module to be fixed to the head end; the pressure monitoring sensing unit is located on the end face and is matched with the end face in shape. The signal processing transmission unit and the power supply unit are located on the outer side face and are matched with the outer side face in shape. The pressure monitoring sensing unit is configured to monitor a pressure signal of an end face, and the signal processing and transmitting unit is configured to process the pressure signal and transmit the pressure signal to the outside in a wireless mode. Therefore, the change data of the head end pressure in the operation process of the lead-free pacemaker sheathing canal can be monitored in real time and wirelessly transmitted.

A biostimulator, such as a leadless cardiac pacemaker, including a fixation element to engage tissue and one or more backstop elements to resist back-out from the tissue, is described. The fixation element can be mounted on a housing of the biostimulator such that a helix of the fixation element extends distally to a leading point. The leading point can be located on a distal face of the helix at a position that is proximal from a center of the distal face. The backstop elements can include non-metallic filaments, such as sutures, or can include a pinch point of the biostimulator. The backstop features can grip the tissue to prevent unscrewing of the fixation element. Other embodiments are also described and claimed.

A biostimulator, such as a leadless cardiac pacemaker, including a fixation element and an electrode mounted on a resilient scaffold, is described. The fixation element and the resilient scaffold are coupled to a housing of the biostimulator. The resilient scaffold can support the electrode against a target tissue at a location that is radially offset from a location where the fixation element anchors the housing to the target tissue. A flexibility of the resilient scaffold allows the electrode to conform to a shape and movement of the target tissue when the housing is rigidly fixed to the target tissue by the fixation element. The resiliently supported electrode that is radially offset from the anchor point can reliably pace the target tissue without piercing the target tissue. Other embodiments are also described and claimed.

The invention relates to the technical field of cardiac postoperative rehabilitation, in particular to a postoperative rehabilitation device and method for a cardiac pacemaker, and the device comprises a waistband, a limiting cylinder, and a limiting assembly. The limiting assembly comprises a lifting rod, a lifting limiting unit, an angle moving block, an angle retracting and releasing strip and a limiting rod, a patient wears the waistband on the waist, and meanwhile the large left arm is placed in a limiting cylinder; the height of the lifting rod is adjusted through the lifting limiting unit; the angle moving block is transversely pulled, so that the angle winding and unwinding strip is unwound, and the movable range of the limiting cylinder is enlarged; after a proper range is reached, the angle folding and unfolding strip is limited through the limiting rod; therefore, under the condition that the moving range of the arm is limited, the moving action of the arm is reserved as far as possible, after further rehabilitation of the user, the moving range is gradually expanded until the user is completely separated from the limiting cylinder, and compared with a traditional fixing sleeve and a traditional fixing bandage, the rehabilitation effect is remarkably improved.

A leadless biostimulator, such as a leadless cardiac pacemaker, having a header assembly that includes overmolded components, is described. The header assembly includes a helix mount overmolded on a flange of an electrical feedthrough assembly. A fixation element is mounted on the helix mount. The overmolded helix mount fills a recess in an outer surface of the flange to robustly join the header assembly components. The electrical feedthrough assembly includes an electrode contained within the flange to deliver electrical impulses to a target anatomy, and an insulator that separates the electrode from the flange. The overmolded helix mount can conform or adhere to the outer surfaces of the flange and the insulator to electrically isolate the electrode from the flange. Other embodiments are also described and claimed.

1. The name of the design product: cardiac pacemaker. 2. The use of the design product: medical device for cardiac rhythm management. 3. The design features of the design product: in the overall shape. 4. The picture or photo that best indicates the design features: perspective view 1.

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.

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.

A biostimulator, such as a leadless cardiac pacemaker, has a header assembly that includes an antenna. A header assembly includes an antenna cap having an antenna loop embedded in a cap body. The cap body includes a dielectric material, and the antenna loop extends about a central channel of the cap body. The central channel extends along a longitudinal axis over a cap length, and the cap body has a cap width transverse to the longitudinal axis. The cap body has an aspect ratio of the cap width to the cap length greater than 1. A header assembly includes an antenna loop of the antenna encased in a header body of the header assembly. The header assembly includes a fixation element. A proximal end of the fixation element is encased in the header body. Other embodiments are also described and claimed.

The utility model provides an adjustable capsular bag pressurizing device of a cardiac pacemaker, which belongs to the technical field of pacemaker pressurizing devices and comprises a pressurizing assembly, the pressurizing assembly is arranged at the top of a fixed soft cushion and comprises a supporting box fixed on the outer side of the fixed soft cushion, fixing rods are arranged at the top of the supporting box, lifting lead screws are arranged on the fixing rods, and the lifting lead screws are connected with the pressurizing assembly. A lifting ring is arranged on the lifting lead screw, a connecting ring is arranged on the outer side of the lifting ring, connecting bandages are arranged on the periphery of the bottom of the connecting ring, and the pressurizing assembly serves as a key component of the adjustable bag pressurizing device of the cardiac pacemaker and is arranged on the top of the fixed soft cushion. The height of the lifting ring can be accurately regulated and controlled by rotating the screw rod through the fixing rod and the lifting screw rod on the fixing rod; and the lifting ring is linked with the outer connecting ring, and the bottom of the connecting ring is connected with the bandage to tighten or loosen, so that the pressurization degree of the bag is flexibly adjusted, and different requirements are met.

The invention relates to a degradable temporary cardiac pacemaker wire and an assembling and using method thereof. The degradable temporary cardiac pacemaker wire comprises a linear suture needle, a U-shaped suture needle, a multi-strand guide wire and an insulating layer. The linear suture needle and the U-shaped suture needle are connected through the multi-strand guide wire, and the insulating layer is coated outside the multi-strand guide wire; the linear suture needle and the U-shaped suture needle are made of medical stainless steel materials, the multi-strand guide wires are made of medical biodegradable metal materials, and the insulating layer is made of medical biodegradable polymer insulating materials. The degradable temporary cardiac pacemaker wire is convenient to use, the guide wire and the insulating layer are both made of medical biodegradable materials, the degradable temporary cardiac pacemaker wire can be automatically decomposed in a human body and does not cause harm to the human body, and after a patient does not need to use a temporary cardiac pacemaker, the degradable temporary cardiac pacemaker wire is convenient to use. The right section of the linear suture needle and the multi-strand guide wire with the insulating layer can be conveniently cut off in vitro, the multi-strand guide wire with the insulating layer does not need to be taken out through a secondary operation, and the infection risk of a patient is reduced.