63 results about "Implant types" patented technology

A method and system for virtual percutaneous valve implantation is disclosed. A patient-specific anatomical model of a heart valve is estimated based on 3D cardiac medical image data and an implant model representing a valve implant is virtually deployed into the patient-specific anatomical model of the heart valve. A library of implant models, each modeling geometrical properties of a corresponding valve implant, is maintained. The implant models maintained in the library are virtually deployed into the patient specific anatomical model of the heart valve to select an implant type and size and deployment location and orientation for percutaneous valve implantation.

A structure of heat dissipation of implant type light emitting diode package having a heat column and a method of manufacturing the same include a substrate, a heat column, and a light emitting diode chip, and the heat column is implanted directly onto a predetermined position of the light emitting diode chip of the substrate and penetrated through both surfaces of a circuit board, and a distal surface of the heat column is coupled with the light emitting diode chip to form a heat conducting end, so that the operating heat produced by a light emitting diode can be dispersed from the package structure through the heat column, so as to achieve an optimal heat dissipating effect.

The invention discloses an implantable self-adaptive wireless power transmission system, which includes an external energy transmission module, an internal energy collection module and an adaptive feedback loop; the external energy transmission module includes a power amplification circuit, a signal source and a drive, and a transmission coil ; The power amplifying circuit adopts Class D, and is a voltage switch type; the self-adaptive feedback loop mainly includes in vivo information collection, in vivo and in vitro wireless communication, and in vitro energy control; the entire feedback structure is composed of two loops of in vivo feedback and system feedback circuit structure; the energy harvesting module in the body includes a receiving coil, a coupling capacitor, a full-wave rectification filter, a PWM modulation module, and an LSK modulation circuit. The invention proposes an implantable self-adaptive wireless power transmission system, which can not only meet the uninterrupted power supply requirements of implanted devices, but also make the energy transmission controllable and avoid excessive energy transmission.

The preparation method of biological material integrally-implanted ear soft bone bionic support includes the following steps: 1. preparing laminate image of reference auricle contour; 2. restructuring said image to obtain three-D entity model; 3. layering said three-D entity model to obtain two-D graph of every layer; 4. coding every layer two-D graph to obtain digital control code; 5. inputting digital control code of every layer two-D graph into quick forming machine; and 6. using the quick forming machine to make hierarchical piling and hierrarchical cutting according to the inputted digital control codes so as to obtain the invented ear soft bone support.

The invention relates to an implanting type degradable device for promoting nerve regeneration after ambient nerve implanting. The implanting type degradable device comprises a hollow cylindrical device which is formed by jointing two symmetric semi-cylindrical subassemblies, wherein the cylindrical device is internally divided into a plurality of independent small chambers for loading nerve regeneration promoting materials with different concentrations; the two ends of the cylindrical device are opened, the ambient nerve for implanting repairing material can pass through one end of the cylindrical device, and pass out through the other end of the cylindrical device; a clearance between the two semi-cylindrical subassemblies can be sealed to form a closed tubular structure through medical bioprotein; and the semi-cylindrical subassemblies are manufactured by degradable biocompatibility materials. The implanting type degradable device has the characteristics of simplicity, convenience, safety and high efficiency; the implanting type degradable device can be used for loading various nerve regeneration promoting materials, and driving the nerve regeneration promoting materials to move around the ambient nerve implants by forming a concentration gradient based on the remote end and the near end of the nerve, so that a microenvironment beneficial to the regeneration of the ambient nerve axon can be formed.

The present invention provides a method of preparing inorganic and organic composite coating to control medicine release on the surface of implanted medical equipment. The inorganic material is silicon sol or titanium sol and the organic material is polymer with excellent biocompatibility and filming performance. The present invention combines the excellent performance of inorganic material and polymer and is superior to available inorganic and organic coating and is suitable for long-period controlled release of medicine sensitive to outer heat, light and other conditions.

The invention discloses a label implanting type multifunctional rotary die-cutting machine. The label implanting type multifunctional rotary die-cutting machine is characterized by comprising an uncoiling unit, a flexo printing unit, a cold stamping device, an UV (ultraviolet) drying device, a film laminating device, a label implanting and compounding unit, a rotary die-cutting unit, a cutting unit and a coiling unit, wherein on an advancing route of paper sheets (labels and films), the uncoiling unit is linked with the flexo printing unit, the flexo printing unit is linked with the UV drying device, the UV drying device is linked with the cold stamping device, the UV drying device is simultaneously linked with the label implanting and compounding unit, the film laminating device is linked with the label implanting and compounding unit, the label implanting and compounding unit is linked with the rotary die-cutting unit, the rotary die-cutting unit is linked with the cutting unit, and the cutting unit is linked with the coiling unit. The label implanting type multifunctional rotary die-cutting machine disclosed by the invention can effectively integrate a plurality of label processing technologies, such as flexo printing, cold stamping, oil application, varnishing, glue spreading, film lamination, multi-layer booklet label implanting and compounding, die-cutting, strip-cutting and the like and truly realize multiple purposes through one machine.

The invention relates to a novel impacted molar correction device. The device adopts the technical scheme comprising the following steps of: implanting implanting screws in the corresponding positions at an upper jaw bone and a lower jaw bone according to the concrete condition of the impacted molars; connecting the implants with the impacted molars by using loop-rod connecting bodies; and pushing the third impacted molar to a far-middle position so as to make the third impacted molar upright by applying force by using a chain-like rubber band or a nickel-titanium tension spring and along with the release of the force of the chain-like rubber band. The correction device releases the reacting force for correcting the impacted molars to the anchorage implants through a loop-rod structure, without adverse influence on other teeth and with higher correcting efficiency.

The invention discloses a deep brain electric stimulation system implanted in the head, and belongs to the technical field of implanting type medical instruments. Due to the fact thats the whole system is implanted in the head of the human body and an electrode is directly connected with a pulse generator, operation complexity can be reduced, stress of a connection port and the electrode can be avoided, and reliability of the system is enhanced.

The invention provides a sealing structure of an implanted type device and a manufacturing method of the sealing structure. The sealing structure comprises a ceramic substrate and metal pillars, wherein the ceramic substrate is provided with an upper surface and a lower surface, and one or more through holes penetrating through the upper surface and the lower surface are formed in the ceramic substrate; the through holes are filled with the metal pillars, and concave-convex structures are formed on the contact interfaces between the metal pillars and the ceramic substrate. According to the sealing structure of the implanted type device, the concave-convex structures are formed on the contact interfaces between the metal pillars and the ceramic substrate, and therefore the contact areas between the metal pillars and the ceramic substrate can be increased. Compared with through holes with radii unchanged in the prior art, by means of the sealing structure, moisture, gas or other elements can be inhibited from leaking out of the sealing structure along the contact interfaces between the metal pillars and the ceramic substrate more effectively, and therefore air-tightness of the sealing structure can be improved.

The invention discloses an implanting type ecological beach fixing method. Bermuda grass, clover and reeds are selected as beach fixing vegetation; the beach fixing vegetation is planted in soil improved through matrixes; and a net-shaped framework scour prevention structure formed by weaving straw ropes is laid above the soil. The influence of terrain, weather, hydrology and other factors on vegetation growth is comprehensively considered; construction is easy, and cost is low; conditions are created for building the habitat suitable for breeding of multiple emergent aquatic plants; growth of the vegetation on scale is promoted; the beach protection engineering effect can be strengthened, and sedimentation and expanding of the beach land can be promoted; and harmony and unity of engineering and the ecological environment can be achieved.

The invention relates to a miniature implanted type ultrasonic resonance wireless energy transfer receiver and a manufacturing method of the miniature implanted type ultrasonic resonance wireless energy transfer receiver. The receiver is composed of an ultrasonic transducer module and a supporting frame. By means of the ultrasonic transducer module, piezoelectric materials are bonded on a silicon substrate in an electric conduction mode, the thickness of a piezoelectric film is controlled through a fine mechanical polishing technology, a resonance cavity coupled with the piezoelectric film is manufactured in the back face of the silicon substrate through an etching method, and different ultrasonic frequencies are matched by controlling the thickness of the piezoelectric film and the parameters of the silicon resonance cavity. The supporting frame is a three-dimensional hollow frame formed by pouring biocompatible materials and is used for installation of the ultrasonic transducer module, and dead-angle-free ultrasonic energy transmission in vivo can be achieved by installing resonance sheets on frames of different appearance structures. Wireless energy supply in vitro of an electronic device implanted into the human body can be achieved through the miniature implanted type ultrasonic resonance wireless energy transfer receiver, the effects of implantation depth of the device in vivo on the energy transmission scheme are small, and the miniature implanted type ultrasonic resonance wireless energy transfer receiver does not harm to the human body and has no requirement for transmitting terminal position alignment.

The invention provides an implant-type hearing-aid device wirelessly powered and capable of prompting electric quantity. The implant-type hearing-aid device comprises a wireless power supply system, an electric quantity prompting system and an implant-type hearing-aid device, wherein the implant-type hearing-aid device is provided with a piezoelectric vibrator designed on the basis of the piezoelectric effect selection piezoelectric stacking way, the piezoelectric vibrator is arranged in an implanting body, the implanting body is fixed on the wall of a human drum by virtue of a fixed support, and the other end is connected with incus; and the implant-type hearing-aid device comprises a wireless power supply system receiving device and an electric quantity detection module. The electric quantity detection module can detect the electric quantity of a chargeable battery in the implanting body, when the electric quantity of the battery is lower than a set value, the feedback information is transmitted by virtue of a wireless communication module, and after an external receiving terminal receives the signal, a patient can be reminded for charging the battery in time. In addition, the hearing-aid device is not subjected to the electromagnetic interference, the high-frequency gain is high, and the effect for improving the hearing of the patient with medium to severe sensorineural hearing loss is obvious. The implant-type hearing-aid device is reasonable in design, simple in structure and suitable for optimizing the hearing-aid device.

The invention relates to an implanted type intracranial pressure wireless monitoring device which comprises an artificial skull, a pressure detecting module and wireless power supply and transmitting modules. The artificial skull is of a cambered-surface shell structure. The wireless power supply and transmitting modules comprise an inner wireless power supply and transmitting module and an outer wireless power supply and transmitting module. The outer wireless power supply and transmitting module and the inner wireless power supply and transmitting module are in wireless communication connection, and are connected with an external power source and an oscilloscope at the same time. The pressure detecting module is powered by the inner wireless power supply and transmitting module. A micro liquid pressure sensor is adopted as the pressure detecting module, and the pressure detecting module is connected with an inner wireless power supply and transmitting module through a wire. A liquid inlet of the micro liquid pressure sensor is covered with a thin film. The overall thin film is of a spherical-surface thin film structure and is filled with a proper amount of normal saline. The implanted type intracranial pressure wireless monitoring device is simple in structure and easy to implement, infection cannot be generated, the monitoring range is large, the whole intracranial pressure changes can be monitored accurately and effectively for a long time, use is safe and reliable, and efficiency is high.

The invention discloses an implanted type electrical nerve stimulation system with a modulation mode, and belongs to the technical field of an implanted type medical instrument. The system comprises a waveform generator, a stimulation electrode and an external program control instrument for program control of the waveform generator. A control module included by the waveform generator can carry out envelope modulation on output 2-250Hz constant-voltage/constant-current electric impulse stimulation. Modulation envelope waveform features are set through the external program control instrument, and the envelope frequency is usually 1 to 10Hz. Shapes of envelope waveforms can be randomly set, and the control module finishes fitting reconstruction of the envelope waveforms in the control module through a function reconstruction method. The implanted type electrical nerve stimulation system provided by the invention provides a new treatment method for a patient with a neurological disease through introduction of the envelope modulation.

The invention discloses an implanted type true three-dimensional rendering method oriented to an ESRI three-dimensional GIS module, which comprises the following steps: capturing the original single-channel color signals and depth signals, and three-dimensional scene transformation matrixes and projection transformation matrixes by an implanted type rendering data interception technique between a 3D API call and graphics card display adopted by an ESRI three-dimensional GIS module software; parsing the information to reconstruct rasterize three-dimensional data; based on the principle of stereo vision, adaptively re-transforming the scene into two different view point locations to form binocular vision three-dimensional stereograph capable of being displayed three-dimensionally and drive the graphics card to perform three-dimensional output on the binocular three-dimensional stereograph; and performing true three-dimensional display and observation by making use of polarized, red and green, and blinking glasses, and the like. The implanted type true three-dimensional rendering method can achieve true three-dimensional scene display under the condition that the procedures and the operating modes of the prior ESRI three-dimensional GIS module software are not changed.

The invention relates to the technical field of medical instruments and discloses an implant-type blood flowing pump with a self-suspended shaft. In the implant-type blood flowing pump, a rotor comprises a hollow cylindrical steel magnet (5) and built-in blades fixed in the steel magnet (5); the rotor is directly arranged in the middle of a stator; the stator is neither directly nor indirectly connected with the rotor through a bearing; the rotor automatically separated form the inner wall of the stator during rotating and is in a suspended state. As the bearing and a magnetic suspension control system are not adopted, the size of the implant-type blood flowing pump is smaller and the weight of the implant-type blood flowing pump is lighter, the implant-type blood flowing pump does not stop rotating when a mechanical failure occurs to the bearing, so that the reliability is higher, and the formation of thrombus in the position of the bearing is avoided. The implant-type blood flowing pump adopts a serial structure that the built-in blades (8) are in the front and the external blades (9) are in the rear; the tangent planes of the blades adopt the modes of the wings of a marine ducted propeller, so that the implant-type blood flowing pump can ensure that blood smoothly branches in and passes through main vessels and branch vessels.

The related implantation-type electric acupuncture therapy unit comprises some electrodes implanted on in-vivo point and a pulse generator, wherein it includes auto mode and magnetic-control mode fit to stimulate with single or dual electrodes, uses percutaneous wireless communication to control parameter, has well precision and long lifetime, and convenient to long-period treatment.

The invention relates to an implanted type electrical nerve stimulation system. The system comprises a pulse generator, at least one electrode wire and a protection sleeve, wherein the at least one electrical wire comprises an extension lead and an electrode lead, the extension lead is implanted in a human body through a created first subcutaneous tunnel and has a first end part and a second end part which are opposite in the extension direction, the first end part of the extension lead is electrically connected with the pulse generator, and the second end part of the extension lead is electrically connected with the electrode lead, so that a connection part is formed; the protection sleeve comprises a body, the body has at least two cavities which are formed in the body at intervals and used for accommodating the connection part, and the cross section area of the protection sleeve is larger than that of the subcutaneous tunnel.

The invention discloses an implanting type integrated magnetic coupling resonator wireless energy transfer method. According to the implanting type integrated magnetic coupling resonator wireless energy transfer method, four coils are utilized for transferring energy, wherein two coils are arranged outside a human body, the other two coils are arranged inside the human body, the two coils outside the human body are realized through a printed circuit board (PCB) and are respectively an energy excitation coil and an energy transmitter coil, and the energy transmitter coil is connected with a driving voltage source. The two coils inside the human body are realized through an integrated circuit and are respectively an energy receiver coil and an energy recovery coil, wherein the energy recovery coil, a rectifying circuit realized by the integrated circuit inside the human body, and other functional circuits are integrated on a single chip. A capacitor is connected in parallel on each of four coil return circuits, and therefore the four coils are enabled to have the same resonance frequency. According to the implanting type integrated magnetic coupling resonator wireless energy transfer method, the two coils inside the human body are realized through the integrated circuit and can be integrated on the single chip with the rectifying circuit and the other functional circuits, and therefore an implanting type integrated magnetic coupling resonator occupies a smaller space and is suitable for being used in implanting type medical electronic devices, wherein the space requirements of the implanting type medical electronic devices are harsh.

The invention relates to the technical field of tissue engineering, in particular to a synthesized patch with a wireless stimulation function and used for resisting reflux esophagitis. The synthesized patch comprises an upper layer, a lower layer and an implant type wireless stimulating device and is characterized in that one side of each of the upper layer and the lower layer is provided with a circular notch, the angle of each circular notch is 270 degrees, the edge part of the upper layer is connected with the edge part of the lower layer to allow the two circular notches to be connected correspondingly, sealed space is formed between the upper layer and the lower layer, and the implant type wireless stimulating device is disposed in the sealed space; the upper layer and the lower layer are made of materials with the shape memory feature, the upper layer is a teflon layer, and the lower layer is an expanded teflon layer. The synthesized patch has the advantages that the synthesized patch can be used to repair expanded esophageal hiatus, the lower esophageal sphincter is stimulated through the wireless stimulating device, the two major causes, namely hiatus hernia and lower esophageal sphincter relaxation, of the reflux esophagitis are treated effectively, and an evident effect is achieved.

The invention relates to a safe implanting type tumor puncture needle device which comprises a puncture needle tube and a push rod. The push rod can penetrate into the puncture needle tube and can perform frontward and backward sliding in the puncture needle tube. The front end of the puncture needle tube is a puncture needle head. The sidewall at the back part of the puncture needle tube is provided with radioactive particle filling opening. The radioactive particle filling opening is connected with a radioactive particle chamber. The back end of the puncture needle tube is provided with a push rod insertion opening. The safe implanting type tumor puncture needle device has advantages of simple structure and reasonable design. Connection with a traditional particle implanting gun can be saved so that higher convenience and higher practicability in radioactive particle implanting treatment are realized. Therefore an operation for connecting with a heavy gun body and adverse reactions are reduced. Furthermore the safe implanting type tumor puncture needle device has advantages of saving muscle power, reducing difficulty in mastering hand feeling of an operator, etc.

The present invention relates to a calcium sulfate beaded implanted type locally-released medicine system and its preparation method. Said system is composed of three portions of medicine-carried bead bodies, stringing thread and bead body surface coating material, in which the bead bodies are formed from calcium sulfate and medicine according to the weight mixing ratio of 100:1-5. Besides, said invention also provides the concrete operation steps of its preparation method.

The invention discloses a subcutaneously implanted type hemodialysis catheter. The subcutaneously implanted type hemodialysis catheter comprises a catheter body and an implanting base, wherein the catheter body is provided with two independent channels; the upper end face of the implanting base is downwardly concave to form two independent cavities, a separation wall is arranged between the two cavities, a diaphragm which can be punctured covers the cavities, an outwardly-protruding catheter connecting column is arranged on one side of the bottom of the implanting base and provided with two independent channels inside, the two channels of the catheter connecting column are respectively communicated with the two cavities of in the implanting base, the catheter body is detachably connected with the catheter connecting column, and fixing rings are further arranged on the outer side of the implanting base. The subcutaneously implanted type hemodialysis catheter is long in service life, less prone to infection and capable of preventing the catheter from being exposed on the surface of the skin.

The invention discloses a reducible uterine tube umbrella mouth implanted type combined birth control device and belongs to the technical field of uterine tube blockage. The device has a key technical point that the device mainly comprises a sack body, wherein one side of the sack body is communicated with a water injection valve through a pipeline and the other side of the sack body is connected with a solid metal needle through a traction fixing thread. The device is simple in structure, convenient in installation and use, ideal in birth control effect and good in reducibility, and is used for reducible birth control of the female.