11 results about "Left atrial appendage occlusion" patented technology

The invention discloses a left auricle plugging device provided with a real-time atrial pressure monitoring chip, and particularly relates to the technical field of left auricle plugging, the left auricle plugging device comprises a plugging device body and a connector, the top end of the connector is provided with a signal supply module, and the signal supply module is located in the plugging device body; according to the left atrial appendage plugging device, after the inductor in the nut generates a voltage signal, the signal can be transmitted to the low-noise operational amplifier and amplified, meanwhile, the electromagnetic interference between the noise of a circuit and the outside world is restrained, and the plugging device can be used for plugging the left atrial appendage of the left atrial appendage of the left atrial appendage. The physical deformation is converted into corresponding electric signals, the electric signals are transmitted to an in-vitro receiving terminal through an antenna, and a doctor can indirectly judge the recovery condition of the atrial contraction function of the patient according to the pressure signal trend.

Left atrial appendage occlusion device specifications from 2D ICE for use in the treatment of atrial fibrillation patients. Systems and methods for left atrial appendage occlusion device specification from two-dimensional (2D) intracardiac echo imaging (ICE). In the imaging procedure, the 2D ICE is used to acquire an image of the patient's left atrium. A model of the left atrium is generated from the image of the left atrium. The model of the left atrium is used to validate subsequent imaging of the left atrial appendage of the patient. Anatomical measurements from validated subsequent imaging may be used to select or specify a left atrial appendage occlusion device in order, for example, to treat atrial fibrillation patients.

This invention relates to an occlusion device and corresponding tooling, comprising a relatively independent fixing part and a sealing part, which are assembled to form the occlusion device. Thus, the fixing part and the sealing part can be manufactured, fabricated, and transported independently, and then assembled according to the required dimensions when implantation is needed. Therefore, the assembled left atrial appendage occlusion device has a wider range of size combinations, thus possessing good adaptability and fully adaptable to some special-sized left atrial appendage shapes. Simultaneously, the tooling facilitates the assembly of the occlusion device, enabling efficient and precise assembly with minimal impact on the device's physical properties and lifespan.

The invention relates to the technical field of medical data processing and computer-aided surgical planning, in particular to a medical data mining and analyzing system based on cardiac ultrasound image streams. The system comprises a data fusion module, a map construction module, a risk prediction module and a decision module. The system obtains a left auricle ultrasonic sequence and mechanical parameters, and constructs a space-time aligned dynamic biomechanical characteristic spectrum; the core of the method is to simulate the dynamic adherence performance of an occluder based on a map, calculate stability, deformation and residual shunt risk indexes, and output risk grades through a model; according to the method, the problem of spatio-temporal dislocation of morphological and mechanical data is effectively solved, digital twinning with authenticity and mechanical accuracy is realized, and accurate decision support is provided for left atrial appendage occlusion.

The embodiment of the utility model provides a sheath tube fixing mechanism and a sheath tube clamping mechanism of a bending-adjustable guide sheath, which are mainly applied to bending-adjustable guide sheaths in the field of atrial fibrillation ablation treatment or bending-adjustable guide sheaths in the field of atrial fibrillation left auricle plugging. In the embodiment of the invention, the structures of the sheath base fixing mechanism and the sheath tube clamping mechanism are systematically designed, and the sheath base fixing mechanism is exemplarily explained. By means of the improved structure, the problems that in the bonding process, the yield is low, and labor hours are consumed can be solved, and the yield and efficiency of bonding of the adjustable bending sheath tube and the sheath base are improved.

The invention provides a left auricle plugging device and a left auricle plugging device. The left auricle plugging device comprises a fixing disc and a plugging disc, the fixing disc is connected with the plugging disc, the fixing disc comprises a first support, the plugging disc comprises a second support, the first support and the second support are both of a net-shaped structure, and the radial size of the second support is gradually increased in the direction close to the first support. The left auricle plugging device solves the problem that in the prior art, after a left auricle plugging device is implanted, adverse postoperative risks are likely to be generated.

The application provides a sheath tube of an adjustable bending guide sheath, a sheath seat and a bonding method, and is mainly applied to an adjustable bending guide sheath in the field of atrial fibrillation ablation treatment or the field of atrial fibrillation left atrial appendage occlusion. In the application, the structure of a sheath seat fixing mechanism and a sheath tube clamping mechanism is systematically designed, and the bonding method of the sheath seat fixing mechanism and the sheath tube clamping mechanism is exemplarily described. The problems of low qualified rate and time-consuming in the bonding process can be solved, and the qualified rate and efficiency of the bonding of the adjustable bending sheath tube and the sheath seat are improved.

This invention relates to an occlusion device and tooling, comprising a relatively independent fixing part and a sealing part. The fixing part and the sealing part are assembled to form the occlusion device, which is then loaded into a sheath. The assembly and loading processes are performed simultaneously. Thus, the fixing part and the sealing part can be manufactured, fabricated, and transported independently, and then assembled according to the required dimensions when implantation is needed. Therefore, the assembled left atrial appendage occlusion device has a wider range of size combinations, resulting in better adaptability and fully adaptability to some special-sized left atrial appendage shapes. Simultaneously, the tooling facilitates the assembly of the occlusion device, enabling efficient and precise assembly with minimal impact on the device's physical properties and lifespan.

The embodiment of the application provides a left atrial appendage occlusion and ablation device and a system thereof, and relates to the technical field of interventional medical instruments.The left atrial appendage occlusion and ablation device comprises an anchoring disc, a sealing disc and an insulating connecting piece.A first conductive part is arranged on the anchoring disc, and a second conductive part is arranged on the sealing disc, and the first conductive part and the second conductive part are used for transmitting ablation energy to tissue.The left atrial appendage occlusion and ablation device combines ablation and occlusion, simplifies the procedure of a one-stop treatment operation of 'ablation+left atrial appendage occlusion', and helps to reduce the operation difficulty.The two ends of the insulating connecting piece are connected with the anchoring disc and the sealing disc respectively, so that the first conductive part and the second conductive part are electrically isolated through the insulating connecting piece, the insulating effect is good, and the ablation success rate is improved.

The application discloses a kind of for left auricle plugging operation navigation multi-modal image automatic registration method, comprising the following steps: collecting structural heart disease intervention surgery patient preoperative CTA image and intraoperative CBCT image;Using U-Net deep learning framework, the heart region in CTA image and CBCT image is segmented and extracted, and the extracted image region is carried out data enhancement and size normalization etc.Pretreatment operation;With the network of depth convolution and visual Transformer fusion, the heart region image of CTA and CBCT is calculated Affine transformation matrix, so that the CTA image and CBCT image realize 3D affine registration;The image after registration is filled to the cutting region of the CBCT image, and the intraoperative CBCT image containing heart anatomical structure information is generated.The method of the application can realize the automatic, fast and accurate spatial registration of preoperative CTA image and intraoperative CBCT image, and the fusion image view generated by registration provides comprehensive reference for the heart three-dimensional anatomical structure and real-time instrument position, effectively assists instrument positioning, path planning and size selection, and provides a new intelligent tool for left auricle plugging operation navigation.

Medical devices and methods of making and using medical devices are disclosed. An example medical device may include a left atrial appendage device. An occlusive medical device includes an expandable framework configured to transition between a first configuration and an expanded configuration; and a fabric disposed along at least a portion of the expandable frame. A drug eluting coating is disposed on the fabric, the drug eluting coating comprising a pharmaceutically active ingredient dispersed within a polymeric carrier.