15 results about "Implantation time" patented technology

The utility model relates to the field of brain electrodes, in particular to an electroneurographic signal acquisition and stimulation unit capable of shortening implantation duration, which comprises an electrode wire, an electroneurographic signal acquisition and stimulation unit and an electroneurographic signal acquisition and stimulation unit, the curing assembly is used for wrapping and restraining the roots of the electrode wires, so that the adjacent electrode wires are kept parallel to each other; the shaping part is made of a material which can be dissolved in the process of implanting the electrode wire into the brain area and is used for being solidified at the connecting part of the solidifying assembly and the electrode wire so as to wrap and restrain the electrode wire; wherein the part, exposed on the outer side of the shaping piece, of the electrode wire is straight, the part, restrained on the inner side of the shaping piece, of the electrode wire is bent, and the electrode wire has the elastic force for restoring to be straight after being released from the inner side of the shaping piece. According to the embodiment of the utility model, on the premise that the length of the electrode wire is not shortened, the length of the shaping piece is shortened, so that the speed of completely dissolving the shaping piece is accelerated, and the total time of implanting the electrode wire is further reduced.

1. The name of the design product: intracranial physiological parameter monitoring graphical user interface for electronic device. 2. The use of the design product: information display and human-computer interaction for electronic device. 3. The design points of the design product: the interface content of the graphical user interface. 4. The picture or photo that best indicates the design points: design 1 front view. 5. Design 1 is designated as the basic design. 6. The use of the graphical user interface: for intracranial physiological parameter monitoring and / or alarm information display. 7. The change state description of the graphical user interface: for design 1, the design 1 front view is the initial graphical user interface, and the design 1 change state view is the interface after clicking the time drop-down box in the "trend" column in the design 1 front view; for design 2, the design 2 front view is the initial graphical user interface, and the design 2 change state view is the interface in which the alarm icon in the lower right corner of the design 2 front view is switched from the alarm mode to the closed alarm mode; for design 3, the design 3 front view is the initial graphical user interface, and when the intracranial pressure abnormal alarm state is entered, the design 3 front view will jump to the interface shown in the design 3 change state view; for design 4, the design 4 front view is the initial graphical user interface, and when the intracranial temperature abnormal alarm state is entered, the design 4 front view will jump to the interface shown in the design 4 change state view; for design 5, the design 5 front view is the initial graphical user interface, and when the intracranial pressure abnormal and intracranial temperature abnormal alarm states are entered, the design 5 front view will jump to the interface shown in the design 5 change state view; for design 6, the design 6 front view is the initial graphical user interface, and when the implantation time is too long state is entered, the design 6 front view will jump to the interface shown in the design 6 change state view; for design 7, the design 7 front view is the initial graphical user interface, the design 7 change state view 1 is the interface after clicking the right historical information page icon (the third icon from the top to the bottom on the right side) in the design 7 front view, and the design 7 change state view 2 is the interface after entering the password and clicking the "confirm" icon in the design 7 change state view 1; for design 8, the design 8 front view is the initial graphical user interface, and the design 8 change state view is the interface after clicking the right alarm setting icon (the second icon from the top to the bottom on the right side) in the design 8 front view to enter the alarm threshold and alarm switch setting; "X" in all the above interfaces represents a changeable text content area, including text and / or numbers and / or symbols. 8. Other circumstances that need to be explained: no design points involved, omit the rear view, left view, right view, top view, and bottom view of designs 1 to 8; the claimed design in design 6 contains color.

This invention provides an interbody fusion device and its preparation method, comprising: metal endplates symmetrically arranged vertically, with a mesh structure on the surface of the metal endplates, the mesh structure including: a bone mesh on the outer surface of the metal endplates, a coupling mesh on the inner surface of the metal endplates, a metal separator layer fixedly disposed between the bone mesh and the coupling mesh, and a linkage locking seat disposed on the inner surface of the metal endplates; a cable passing through the linkage locking seat on the inner surface of the aforementioned metal endplates; a polymer matrix fixed between the aforementioned pair of metal endplates by the aforementioned shear-resistant structure; a bone graft cavity, which is a cavity jointly formed by the metal endplates and the polymer matrix; and a positioning hole penetrating the aforementioned polymer matrix. This application addresses the technical problems that, with prolonged implantation time, complications such as displacement, coating peeling, settlement, stress shielding, bone resorption in adjacent areas, and delayed inflammatory reactions often occur.

The minimally invasive surgical forceps suitable for the thoracic surgery department are provided with forceps bodies, and the forceps bodies comprise the first forceps body and the second forceps body; the first forceps body and the second forceps body are connected through a double-opening-and-closing joint. A handheld part is arranged at the near end of the forceps body; an occlusion part is arranged at the far end of the forceps body; and a groove is formed in the occlusion part. The anastomat has the advantages that the trafficability of the anastomat in an operation can be improved by optimizing the structural design of the instrument, and meanwhile, the number of repeated positioning attempts in an operation field blind area is reduced, so that the implantation time of the anastomat is remarkably shortened, the tension borne by a corresponding blood vessel or trachea is effectively reduced, and the rupture of the blood vessel or trachea caused by overhigh tension is avoided; and tissue behind the blood vessel can be isolated and protected, blunt injury of a metal head of the cutting anastomat to surrounding tissue is avoided, and the device is suitable for guiding the cutting anastomat to safely pass through the blood vessel or the trachea in the minimally invasive surgery of the thoracic surgery.

The utility model discloses a kind of electromagnetic shielding's mouse brain deep electrical stimulation and collection device, including protective shell and shielding shell, protective shell bottom is equipped with opening, top is equipped with connecting port, opening is fixedly adhered with animal skull surface, electrode main body, adapter terminal wire and USB conversion interface connected in sequence are equipped in protective shell, electrode main body implants in animal brain through opening;Shielding shell is inserted with connecting port, shielding shell is inserted with connecting port in, USB interface and preamplifier are equipped in shielding shell, USB interface connects USB conversion interface, preamplifier is connected host computer by data line and passes out shielding shell.The utility model, the production and composition of electrode are modularized split, standardization production and surgical implantation process;Modularization installed USB conversion interface hardware cost is very small, improve the Omnetics interface utilization of host computer;USB conversion interface and electrode main body between using adapter terminal wire, namely soft line connection, can avoid the screw drop caused by multiple plug and unplug, prolongs the implantation time of electrode.

The present application relates to a system for introducing a flexible deep brain electrode, which is divided into three parts of an outer sheath, a pusher and an electrode. The distal end of the flexible array electrode is provided with a degradable curved anchor. After the introduction system is implanted in a specific position, the inner pusher is pushed to move the flexible array electrode in the outer sheath, and after the curved anchor of the flexible array electrode is fixed, the inner pusher and the outer sheath are withdrawn in turn. The introduction system can quickly send the flexible polymer probe into the brain. By delivering the degradable curved anchor, the influence of the micro-movement of the flexible electrode after implantation due to human respiration and movement can be effectively reduced, and the working time of the electrode can be effectively prolonged. At the same time, with the extension of the implantation time, the curved anchor will slowly degrade, minimizing the damage to the brain tissue when the electrode is removed.

The medical loading device involved in the present application is used to load medical equipment. The medical loading device includes a frame body, a sliding body and a guiding device arranged on the frame body. The frame body extends along a first direction and has a first end in the first direction. A first guiding portion extending along the first direction is provided on the frame body. The sliding body is arranged on the first guiding portion, and the guiding device is arranged at the first end. The medical equipment is arranged between the guiding device and the sliding body. Under the action of an external driving force, the sliding body moves on the first guiding portion towards the guiding device to push the medical equipment to reach the target position of the patient through the guiding device, thereby realizing the automatic operation of the machine to complete the rapid loading and unloading of the medical equipment, greatly reducing the surgical risk, improving the implantation accuracy, shortening the implantation time, and significantly reducing the dependence of the surgery on doctors. At the same time, the device is fully compatible with magnetic resonance imaging and can understand the implantation status in real time.

The application is a divisional application, and the application number of the original application is 2022105409207. The invention relates to an artificial heart valve which comprises a valve support, a first sealing film, a second sealing film and a valve leaf.The first sealing film is attached to the outer side of the valve support, can make contact with blood, gradually absorbs liquid and expands along with prolonging of the implantation time of the valve support and is used for reducing perivalvular leakage; the second sealing film is arranged on the outer side of the first sealing film, and after the first sealing film absorbs liquid and expands, the second sealing film can also expand to a certain degree and is used for increasing the friction force between the second sealing film and the native valve leaflet; the valve leaflet is arranged in the valve support and used for controlling one-way flow of blood. The first sealing film and the second sealing film are arranged, so that the artificial heart valve can be better matched with a native tissue after being implanted, and perivalvular leakage is effectively prevented.

The invention discloses an automatic pressurizing intragastric balloon and a preparation method thereof, and relates to the technical field of medical instruments. Along with the prolonging of the in-vivo implantation time of the intragastric balloon, the core body membrane of the pressurizing core body is degraded, the pressurizing material is exposed in the intragastric balloon to react, and then the volume of the intragastric balloon is expanded, so that secondary mechanical stimulation can be generated, the satiety of a patient is enhanced, and the problem of curative effect attenuation caused by long-term adaptation is solved; and when the inner-layer film cannot continuously bear internal high pressure and gradually loses mechanical strength, stress gradually begins to be transferred to the outer-layer film, then a stress concentration area on the outer-layer film becomes a rupture starting point, the balloon body is rapidly emptied, and automatic release of a treatment end point is achieved. The intragastric balloon provided by the invention realizes a full-cycle intelligent working mode of stable occupation, automatic pressurization, timed pressure release and natural discharge, and has the advantages of enhanced curative effect and convenience in use.

The invention is a delivery system device and method for implantation of pharmaceuticals, such as hormones, including testosterone for military forces to increase stamina and aid in wound recovery, for timed release into a patient to be determined by a medical professional. This timed-release device will consist of an axially containing and longitudinally flexible elongated member having an axial wall of varying material, that wall consisting of a polymer dissolving according to a pre-determined schedule regulated by the dissolution rate of the polymer or polymer blend. The delivery system and method further prevents the extrusion or migration of the pellets from the site of implantation and allows for easier removal after the time of implant.

An evaluation method and system for the corrosion degree of an absorbable stent. The method includes the following steps: obtaining the total number S0 of stent bars of the absorbable stent at the time zero of implantation (S10); separately obtaining n frames of optical coherence tomography (OCT) images of the absorbable stent at the time x of implantation, wherein x is greater than 0, and n is a natural number greater than 1 (S20); determining, according to the n frames of OCT images, the total number Ni of the stent bars corresponding to each frame of OCT image, wherein i is a natural number greater than or equal to 1 and less than or equal to n; and calculating the total number Sx of the stent bars corresponding to the n frames of OCT images at the time x of implantation (I) (S30); determining a corrosion degree Cij of a jth stent bar in an ith frame of OCT image at the time x of implantation, wherein j is a natural number greater than or equal to 1 and less than or equal to Ni (S40); and calculating an overall corrosion degree Cx of the absorbable stent at the time x of implantation according to the following formula: (II) (S50). The evaluation method can be applied to clinical treatment.

The utility model discloses a turnover implanting mechanism for chip capacitors, which comprises an implanting device and a feeding device, the feeding device is positioned behind the implanting device, and the feeding device is used for feeding the chip capacitors to the implanting device; the implanting device comprises an implanting seat, a positioning seat, a feeding seat and an electromagnet; the positioning seat is mounted at the top of the front side of the implanting seat and is used for mounting the material loading disc; the rear end of the implanting seat is connected with the rear end of the feeding seat through a bearing seat, and the feeding seat swings relative to the implanting seat; the feeding seat comprises an implanting mesh basket and a receiving box, the rear end of the implanting mesh basket is mounted on the bearing seat in a swinging manner, and the receiving box is mounted at the top of the rear end of the implanting mesh basket; and the receiving box is used for receiving the chip capacitors discharged from the feeding device. According to the scheme, the chip capacitor is directly laid on the top of the implanting mesh basket through overturning type blanking, so that the implanting time of the chip capacitor is shortened, and the energy consumption of the electromagnet for realizing the shape change of the chip capacitor is reduced.

The present invention provides a vena cava filter, which relates to the field of medical devices, including a support frame and a filter body; the filter body includes a fixed arm, an anchoring arm and a retrieval hook; the proximal end of the fixed arm and the proximal end of the anchoring arm are both connected to the opposite end of the hook end of the retrieval hook, and the distal end of the anchoring arm is provided with an anchoring portion, which is anchored to the inner side of the support frame; in the released state: the support frame is expanded into a cylindrical shape, and the distal ends of the fixed arm and the anchoring arm are opened to all sides, so that the fixed arm and the anchoring arm are expanded into an umbrella shape; the anchoring portion can be detached from the support frame when the retrieval hook is subjected to an external force dragging toward the proximal end. The present invention solves the problems in the prior art that the vena cava filter is prone to bleeding at the implantation site after being released into a blood vessel, the filter implantation time is short, and the filter is difficult to remove safely. At the same time, it can avoid the displacement of the filter after the vena cava filter is released into a blood vessel.

The utility model discloses an interbody fusion cage. The intervertebral fusion cage comprises a frame body, the frame body adopts a tantalum-containing medical ceramic piece, the frame body comprises two first parts, a second part and a third part, the two first parts are arranged in parallel in a spaced mode, each first part is provided with a first end and a second end which are arranged in a spaced mode, and the two first ends are fixedly connected through the second part; the two second ends are fixedly connected through the third part, the first part, the second part and the third part are enclosed to form a bone grafting window, and at least the first part is provided with a bone growth promoting structure. By adopting the tantalum-containing medical ceramic piece, the intervertebral fusion cage has excellent mechanical property, corrosion resistance and biocompatibility, the initial implantation time is shortened, development can be realized at lower cost, and meanwhile, the bone grafting window is formed in the frame piece and the bone growth promoting structure is arranged, so that the bone grafting effect is improved. The better effect of promoting bone growth and bone fusion can be achieved, and then the binding force and stability of the fusion cage and bone tissue are effectively improved.

The medical loading device involved in the present application is used to load medical equipment, including a frame, a driving member arranged on the frame, and a sliding body and a guiding device arranged on the frame. The frame extends along a first direction and has a first end located in the first direction. A first guiding portion extending along the first direction is arranged on the frame, the sliding body is arranged on the first guiding portion, the guiding device is arranged at the first end, and the medical equipment is arranged between the guiding device and the sliding body. Under the action of the driving member, the sliding body moves on the first guiding portion toward the guiding device to push the medical equipment to the patient's target position through the guiding device, thereby realizing automatic operation of the machine to complete the rapid loading and unloading of medical equipment, greatly reducing the surgical risk, improving the accuracy of implantation, shortening the implantation time, and greatly reducing the degree of dependence of the operation on the doctor. At the same time, the device is fully compatible with magnetic resonance imaging and can understand the implantation status in real time.