74results about How to "Improving the effect of implantation" patented technology

This disclosure is directed toward sealable and repositionable implant devices that are provided with one or more improvements that increase the ability of implants such as endovascular grafts to be precisely deployed or re-deployed, with better in situ accommodation to the local anatomy of the targeted recipient anatomic site, and / or with the ability for post-deployment adjustment to accommodate anatomic changes that might compromise the efficacy of the implant.

Methods, systems, and devices for an adaptable blood pump are disclosed herein. The blood pump can be part of a mechanical circulatory support system that can include a system controller and the blood pump. The blood pump can include a rotary motor and a control unit that can communicate with the system controller. The blood pump can determine when communication with the system controller is established or has been lost. The blood pump can retrieve one or several back-up parameters when communication with the system controller has been lost, and can operate according to these back-up parameters.

The invention discloses a sensor device capable of controlling insertion angle in subcutaneous tissue, the sensor device comprises a fixing base and an inserting base provided with a hard needle tubing through hole and rotatably connected to the fixing base. The sensor device capable of controlling insertion angle in subcutaneous tissue has the advantages that it is convenient to insert the insertion type biosensor into the subcutaneous tissue and adjust the insertion angle of the insertion type biosensor in the skin tissue, so that the insertion type biosensor can have longer effective length in the subcutaneous tissue; the measured data is more accurate and near to the actual data.

The invention provides a preparation method of boron carbide ceramic chips. The method comprises the following steps: (1) preparing 1-2wt% of a graphene solution, adding a dispersing agent, and evenlydispersing in a way of ultrasonic, stirring or ball-milling to obtain a solution containing uniformly dispersed graphene; (2) adding the solution into boron carbide raw material powder, wherein boroncarbide power with average particle size of 3-5mu m is selected as a raw material, 3-4% of graphite powder is added as a sintering additive, and the average particle size of the graphite powder is 1-2mu m; (3) mixing the boron carbide raw material powder with the graphene solution, and carrying out ball-milling to form slurry; (4) granulating and drying to obtain granulated powder; (5) putting the granulated powder into a mould, hot-pressing and sintering.

The invention relates to a plugging stent for a left auricle. The plugging stent comprises a reticular body and a tail connected with the reticular body, wherein the tail is overturned inwards to forma blunt shape, so that the contact area between the tail and the left auricle is enlarged, the situation that left auricle walls and internal tissue are damaged by the tail end of the stent in the transplanting process and after transplanting is avoided, the damage of the surgery to the patient is reduced, simultaneously, risks of hydropericardium, perforation and the like can also be avoided, and the safety of the surgery operation is higher; and in addition, the maneuverability of the plugging machine is better, and under the situation that the transplanting position is not ideal, the transplanting position can be adjusted only through propelling the plugging machine, so that the operation difficulty is reduced, and the medical care effect is improved.

The present invention provides an intraoperative stent delivery system and an intraoperative stent system. The intraoperative stent includes a main body stent and a side branch stent arranged on the main body stent and extending outward. The intraoperative stent delivery system includes a main body an inner lining and a side branch inner lining arranged on the main body inner lining, the side branch bracket is configured to be sleeved on the side branch inner lining, the main body bracket is configured to be sleeved on the main body inner lining, and the side branch The inner liner is oscillatingly arranged on the main body inner liner to synchronously drive the side support bracket to swing relative to the main body support. In the present invention, by setting the side branch lining that can swing relative to the main body lining, the side branch stent can be swayed synchronously relative to the main body stent, which facilitates alignment and easy implantation of the side branch stent and the left subclavian artery during operation, and avoids thoracotomy The time of freeing and suturing the left subclavian artery in the operation is too long, which increases postoperative complications, reduces the difficulty of operation, shortens operation time, and expands the scope of surgical indications.

The embodiment of the invention discloses a multimedia file processing method and device, a terminal device and a medium. The method comprises the following steps: obtaining a target frame image in avideo; identifying at least one line segment included in the target frame image, further screening a multimedia file region edge line segment from the at least one line segment, determining a multimedia file implantation region in the target frame image based on the multimedia file region edge line segment, and further filling a multimedia file material in the multimedia file implantation region.According to the embodiment of the invention, the multimedia file implantation area of the target frame image in the video is determined more accurately through a line segment detection mode, and themultimedia file implantation effect of the video is improved.

The invention provides an artificial cochlea pre-bent electrode implantation device, which is characterized in that a hard electrode support piece is arranged in an artificial cochlea pre-bent electrode and can be taken out from a first end of the artificial cochlea pre-bent electrode, and the implantation device comprises an electrode guide mechanism used for supporting the artificial cochlea pre-bent electrode and guiding the artificial cochlea pre-bent electrode; a pre-bent electrode control mechanism used for clamping and driving the artificial cochlea pre-bent electrode to move towards the second end of the artificial cochlea pre-bent electrode; and a supporting piece control mechanism, wherein the first end of the supporting piece control mechanism is fixedly connected with the electrode guide mechanism, and the supporting piece control mechanism is used for clamping the electrode supporting piece located outside the artificial cochlea pre-bent electrode and driving the electrodesupporting piece to move towards the first end of the artificial cochlea pre-bent electrode.