Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

681 results about "Interventional therapy" patented technology

Interventional therapy can alleviate chronic pain by blocking the transmission of pain signals to the brain. Interventional pain management involves special procedures such as an injection of local anesthetic, steroid, or narcotic around nerves, tendons, joints or muscles, nerve blocks and spinal cord stimulation to treat and manage pain.

Therapy via targeted delivery of nanoscale particles

InactiveUS20050090732A1Destroying inhibiting vascularityAntibacterial agentsNervous disorderDiseaseProstate cancer
Disclosed are compositions, systems and methods for treating a subject's body, body part, tissue, body fluid cells, pathogens, or other undesirable matter involving the administration of a targeted thermotherapy that comprises a bioprobe (energy susceptive materials that are attached to a target-specific ligand). Such targeted therapy methods can be combined with at least one other therapy technique. Other therapies include hyperthermia, direct antibody therapy, radiation, chemo- or pharmaceutical therapy, photodynamic therapy, surgical or interventional therapy, bone marrow or stem cell transplantation, and medical imaging, such as MRI, PET, SPECT, and bioimpedance. The disclosed therapies may be useful in the treatment of a variety of indications, including but not limited to, cancer of any type, such as bone marrow, lung, vascular, neuro, colon, ovarian, breast and prostate cancer, epitheleoid sarcomas, AIDS, adverse angiogenesis, restenosis, amyloidosis, tuberculosis, cardiovascular plaque, vascular plaque, obesity, malaria, and illnesses due to viruses, such as HIV.
Owner:NANOTX INC

Mri-guided localization and/or lead placement systems, related methods, devices and computer program products

MRI compatible localization and / or guidance systems for facilitating placement of an interventional therapy and / or device in vivo include: (a) a mount adapted for fixation to a patient; (b) a targeting cannula with a lumen configured to attach to the mount so as to be able to controllably translate in at least three dimensions; and (c) an elongate probe configured to snugly slidably advance and retract in the targeting cannula lumen, the elongate probe comprising at least one of a stimulation or recording electrode. In operation, the targeting cannula can be aligned with a first trajectory and positionally adjusted to provide a desired internal access path to a target location with a corresponding trajectory for the elongate probe. Automated systems for determining an MR scan plane associated with a trajectory and for determining mount adjustments are also described.
Owner:CLEARPOINT NEURO INC

Vasoocclusive coil with biplex windings to improve mechanical properties

The vasoocclusive device for use in interventional therapy and vascular surgery adapted to be inserted into a portion of a vasculature, includes a vasoocclusive coil disposed about an inner reinforcement coil wherein said vasoocclusive coil is helically wound and the inner reinforcement coil forms a reverse helical winding opposite the vasoocclusive coil winding, thereby forming a biplex wound coil. The vasoocclusive device biplex winding provides improved mechanical properties to the device. An inner reinforcement stretch resistant member attached within the biplex windings limits coil stretchability.
Owner:DEPUY SYNTHES PROD INC

Vasoocclusive device for treatment of aneurysms

The three-dimensional device is adapted to be inserted into a portion of a vasculature for occluding the portion of the vasculature for use in interventional therapy and vascular surgery. The device is formed from a multi-stranded micro-cable having a plurality of flexible strands of a shape memory material and at least one radiopaque strand. The flexible strands in a multi-stranded micro-cable of the device can be helically wound, or can be configured as parallel, longitudinal strands, and can also be formed to have a secondary, three-dimensional therapeutic configuration, such as helical, conical, spherical, or other geometric shapes. The strands can be made of a shape memory nickel titanium alloy, that is highly flexible at a temperature appropriate for introduction into the body via a catheter, and that after placement will take on the therapeutic shape. The device can also include a therapeutic agent, and can be bundled by an outer cover to constrain the strands of the micro-cable about a longitudinal axis to produce a composite banded cable. The radiopaque strand can have a core strand with a plurality of intermittently spaced apart enlarged radiopaque portions that may be a plurality of beads of radiopaque material spaced apart and mounted on the core strand, or a plurality of coils intermittently wound about and spaced apart on the core strand. A polyhedral occlusive device is also provided, adapted to be inserted into a portion of a vasculature for occluding a portion of the vasculature, for use in interventional therapy and vascular surgery. One or more therapeutic fibers can also be woven into the coil to enhance treatment of the side after placement of the device.
Owner:DEPUY SYNTHES PROD INC

Expandable curvilinear strut arrangement for deployment with a catheter to repair an aneurysm

InactiveUSRE42758E1Reduce riskInhibit migrationDilatorsOcculdersRepair aneurysmAlloy
The vasoocclusive apparatus can be used in a method of interventional therapy and vascular surgery by inserting the apparatus into a portion of a vasculature, for treatment of a body vessel such as an aneurysm in conjunction with a secondary vasoocclusive device to be placed within the vessel. The vasoocclusiveVasooclusive apparatus includes a plurality of strut members connected together at a central hub that extend from a collapsed position to an expanded configuration to cross the neck of the aneurysm, dividing the neck into smaller openings, allowing the deployment of the secondary vasoocclusive device within the aneurysm but preventing migration of the secondary vasoocclusive device from the aneurysm. The strut members can be made from a twisted cable of strands of a superelastic material, such as a shape memory nickel titanium alloy, with at least one radiopaque strand. A shape memory collar is provided for detachably mounting the vasoocclusive apparatus to a pusher member and for detaching the vasoocclusive apparatus for deployment when a desired placement within an aneurysm to be treated and out of a parent vessel is achieved.
Owner:MICRUS CORP

Methods and systems for screening subjects

InactiveUS20120302909A1Improve exercise capacityImprove function capacityRespiratory organ evaluationSensorsTest agentScreening method
A screening method can be used to determine whether a subject is a suitable candidate for interventional therapy. The method can be used to determine the likelihood the subject will receive a therapeutic effect from denervation therapy. The determination is based, at least in part, on lung information obtained by performing lung function tests with and without treating the subject's lungs with a test agent. Based on the response to a test agent, the subject's response to a therapy is predicted.
Owner:NUVAIRA INC

Recoverable Valve Stent

A recoverable, safe and reliable valve stent for unidirectional flow of human lumen which can be implanted temporarily or for a long term and is used in the interventional therapy so as to obstruct from anisotropic flow, in the case of lung diseases. It comprises a cylindrical stent made up of memory alloy material. In particular, an elastic diaphragm is arranged inside the cylindrical stent and at least one gap is arranged on the diaphragm so that the spring piece is divided into a bendable section. One end of the cylindrical stent is provided with a fixed rear clip which is used to fix the alloy material making up the cylindrical stent. The rear clip is provided with screwthreads which can be connected with the conveyor. The stent in the present invention is in a structure without hook body, so the stent can be accurately positioned, adjusted and placed or recovered in double directions with strong anti-backflow ability.
Owner:BEIJING PUYI MEDICAL TECH CO LTD

Image simulation method for intracranial aneurysm interventional therapy stent implantation

The invention provides a visualization calculation method for a whole intracranial aneurysm interventional therapy stent implantation process, establishes a stent release expansion model, provides an effective numerical simulation method for the intracranial aneurysm interventional therapy stent implantation, and provides a visualization method used for detection, calculation and analysis of the surgical planning of intracranial aneurysm interventional therapy. The adopted technical scheme is as follows: firstly, a blood vessel centerline is utilized to implant a numerical simulation stent into the blood vessel, and an active contour model is utilized to perform stent expansion, then the distance of each two nodes of the stent is changeless through optimization, and finally hemodynamics calculation and analysis are performed, and optimal configuration for stent implantation is simulated and calculated. The image simulation method can be directly applied to three-dimensional vascular angiography tomographic images, enables the stent to keep own geometric morphological characters through optimization, and can utilize weight adjustment to enable the stent to be clung to the blood vessel wall as far as possible. The simulation process can control the stent implantation position conveniently, and better clinical application value is achieved in the surgical planning of interventional therapy.
Owner:CAPITAL UNIVERSITY OF MEDICAL SCIENCES

Degradable drug loading stent

The invention relates to a degradable drug loading stent and a preparation method of the degradable drug loading stent. The degradable drug loading stent is characterized by comprising a skeleton structure made of a medical degradable metal or an alloy of the metal, a degradable macromolecular transition layer adhered to the surface of the skeleton structure and a drug loading layer. The degradable metal / macromolecular / drug multilayer composite stent provided by the invention has excellent mechanical property, degradable property and biocompatibility, and such drugs as taxol, taxol derivative, actinomycin D, 5-fluorouracil and sirolimus are loaded to the stent to perform active directional treatment on the focus position, so the stent is a functional degradable stent. The degradable multifunctional drug loading stent provided by the invention is suitable for interventional therapy in the blood vessel field and non-blood vessel fields and is especially suitable for interventional therapy of stenosis, obstruction or tumor of such non-blood vessel cavities as esophagus, bile duct, ductus pancreaticus, intestinal tract, urethral canal, trachea and bronchus, etc.
Owner:TAO & SEA HI TECH BEIJING

CT positioning percutaneously inserting puncture instrument

The present invention discloses a percutaneous interventional puncture instrument through CT positioning, which is used in the guiding positioning of puncture needle in CT-guided percutaneous interventional surgery or other percutaneous interventional instrument. The device comprises a frame body and a cross bar fixed in the frame body. The cross bar is provided with an angular disk, which is provided with a position pointer. A hole is arranged in the position pointer. The fixing device for the puncture guiding device comprises a fixed block, a fixed bolt, a bolt sleeve and the fixing hole of the puncture guiding device arranged in the sleeve tube. The fixing device for the puncture guiding device is arranged in the hole of position pointer. The present invention is used in guiding positioning of needle in the targeted surgery or other percutaneous interventional instrument. Besides targeted interventional therapy for tumor, the present invention can be used in the treatment process of all CT guided percutaneous punctures requiring fixing needle or other percutaneous interventional instrument in a certain direction.
Owner:ACCUTARGET MEDIPHARMA (SHANGHAI) CO LTD +1

Balloon expandable stent with side-hole channel

The invention relates to a balloon expandable stent with a side-hole channel, which belongs to the technical field of medical devices implantable into the blood vessel of human body. One end of the balloon is communicated with a balloon catheter that can inject and suck out contrast agent; an expandable compression stent is arranged outside the balloon; a main intracavity channel and an intracavity sub-channel are respectively arranged in the balloon and the balloon catheter; one opening of the main intracavity channel is positioned at the side wall of the balloon catheter, and the other opening is positioned at the top of the balloon; one opening of the intracavity sub-channel is positioned at the side wall of the balloon catheter, and the other opening is positioned at the side wall of the balloon; the expandable compression stent is provided with a side hole opposite to the side-wall hole of the balloon. The invention has the characteristics of simple structure, convenient operation and use, time saving and safety; meanwhile, the stent can break through the forbidden zone that the interventional therapy can not proceed due to the bifurcation and lesion of the blood vessel of brain, can simplify the steps of treating the bifurcation and lesion of the coronary artery, lower the operation risk and difficulty of stent-aiding embolism operation for wide-necked aneurysms, enhance interventional embolism / surgical clipping ratio, and alleviate patients' wound and pain.
Owner:赵林

Vasoocclusive coil with biplex windings to improve mechanical properties

The vasoocclusive device for use in interventional therapy and vascular surgery adapted to be inserted into a portion of a vasculature, includes a vasoocclusive coil disposed about an inner reinforcement coil wherein said vasoocclusive coil is helically wound and the inner reinforcement coil forms a reverse helical winding opposite the vasoocclusive coil winding, thereby forming a biplex wound coil. The vasoocclusive device biplex winding provides improved mechanical properties to the device. An inner reinforcement stretch resistant member attached within the biplex windings limits coil stretchability.
Owner:DEPUY SYNTHES PROD INC

Preparation technology for microspheric embolization agent

The invention relates to a preparation technology for a microspheric embolization agent. The preparation technology is used for preparing elastic microspheres cross-linked and polymerized by functionalized macromolecules with biocompatibility, wherein the grain range of the microspheres is 1-1500mu m. The preparation technology comprises the following steps that: a cross-linkable micromolecule with a crylic acid structure is connected on a polyvinyl alcohol, polyethylene glycol or polyose macromolecule in form of a covalent bond to form a functionalized macromolecule; and reversed phase suspension polymerization is conducted to the functionalized macromolecule and a 2-acrylamide-2-methylpropanesulfonic acid monomer to prepare cross-linked and polymerized microspheric embolization agent. The embolization agent has the advantages that the flexibility and the elasticity are high, the grain is even and is controllable, the dispersity is good, the raw materials are nontoxic and the biocompatibility and the stability are good. The preparation technology is a pure chemical synthesis technology, no virus pollution is caused to the raw materials and the preparation process, the requirements on international embolization agents are satisfied, and the embolization agent can substitute for all kinds of imported or domestic expensive embolization agent products and can be widely used in surgeries in the field of interventional therapy.
Owner:SUZHOU HENGRUI CALLISYN BIOLOGICAL MEDICINE TECH CO LTD

Stent vessel and dedicated traction tool for implanting stent vessel into human body

The invention relates to a stent vessel for interventional therapy and a dedicated traction tool for implanting the stent vessel into a human body. The stent vessel comprises an artificial or animal vessel and support rings, wherein the support rings in three structures are used for fixation and respectively arranged at the outlet end and the inlet end of the artificial or animal vessel, and in the support rings, a detachable support ring with radial resilience force is further provided. The dedicated traction tool is especially suitable for dragging a Y-shaped stent into circuitous or narrow parts of the human body. The stent vessel provided by the invention is extremely flexible and easy to be implanted into a branch vessel until to the circuitous part. Because the main part and the branch of the stent vessel are integrated, the stent vessel is easy to position and safe and reliable without leakage after being implanted into the human body; and as the structure is simple and the cost is low, stent vessels in various diameters, variable diameters and lengths are be made, and the application range is wide because of no limit to lengths.
Owner:王嘉贤 +1

Ultrasonic probe calibration system and method based on locatable puncture needle

The invention discloses an ultrasonic probe calibration system and method based on a locatable puncture needle. The calibration method includes the steps that S1, a calibration model is designed and manufactured; S2, calibration model feature points in an ultrasonic image are extracted; S3, a calibration transformational matrix is solved according to the calibration feature points extracted from the ultrasonic image. The calibration problem of a tracking and locating ultrasonic probe in the current ultrasonic guidance interventional therapy and a free-type three-dimensional ultrasonic imaging system can be solved, so that more accurate calibration accuracy and more convenient calibration operation are obtained, and ultrasonic calibrated accurately can effectively improve the quality of the three-dimensional ultrasonic reconstructed image and improve safety and the success rate of operations.
Owner:SHENZHEN INST OF ADVANCED TECH

Binding type pressing hemostasis device for department of cardiology

The invention relates to a binding type pressing hemostasis device for the department of cardiology, and belongs to the technical field of medical instruments. The device comprises a base plate and an electric hemostasis pressing head, wherein a shock-absorbing retractable spring is arranged on the upper side of the electric hemostasis pressing head; a pressing head connecting rod is arranged on the upper side of the shock-absorbing retractable spring, and is connected with the shock-absorbing retractable spring through a pressing head rotary bolt; a pressing head fixing clamp is arranged on the pressing head connecting rod; a knife edge pressing block is arranged on the lower side of a connecting thrust lift head; disposable hemostatic cotton is arranged on the lower side of the knife edge pressing block; a vessel near-heart end pressing ball is arranged on the left side of the knife edge pressing block; a hemostatic cotton spare storage bin is arranged on the left lower side of a multi-purpose accommodating box; a medicament storage bin is arranged on the right side of the hemostatic cotton spare storage bin. According to the invention, the functions are complete, and the use is convenient; when a patient is subjected to cardiology department puncture interventional therapy pressing hemostasis, the device has the advantages that the operation is simple and convenient, time and labor are saved, and the working difficulty of medical staff is reduced.
Owner:李诗贤

Guiding wire

InactiveCN101502693AGood effectGuaranteed twist controlGuide wiresSurgeryWire sourceInterventional therapy
The invention relates to a guiding wire comprising a guiding wire core (11) which consists of an inner core (18) and an outer layer (19), and an spring jacket; the inner core (18) is composed of alloy materials with great elasticity and the outer layer (19) coating the inner core (18) is composed of metal or alloy with high rigidity or a mixed material of the metal and alloy, and the inner core (18) is coaxial with the outer layer (19) thereof; the spring jacket is internally inserted with part of the guiding wire core (11). The interventional therapy guiding wire of the invention not only uses the high elasticity of the alloy material with great elasticity to entitle the guiding wire head end with softness and restoration properties, but also uses metal with high rigidity and alloy material with higher strength and rigidity to ensure the pushing property and relevant spiral-pressing property of the guiding wire, thus leading to good controllability of the guiding wire.
Owner:BEIJING TARGET TECH

Balloon dilatation catheter

The invention relates to a balloon dilatation catheter for an interventional therapy technology. The balloon dilatation catheter comprises an ultra-soft head end 1, a dilation balloon part 2, a distal-end rod body 4, a proximal-end rod body 5 and a Luer joint 6, wherein an inner tube 3 for guiding a guide wire to pass is arranged in the catheter, and a development ring for marking the effective length of a dilation balloon is pressed on the inner tube. The balloon of the balloon dilatation catheter adopts a secondary stretching process for forming, and a balloon cone and the wall thickness of a connecting neck can further become thinner through second stretching; the connection between the balloon and the distal-end rod body is as follows: the balloon connecting neck is arranged at the inside and the distal-end rod body is arranged at the outside; and simultaneously, the distal-end rod body of the balloon dilatation catheter comprises two sections, namely a proximal-end rod body connecting section with a larger outer diameter and a balloon connecting section with a smaller outer diameter. The dilation balloon part of the balloon dilatation catheter and the balloon connecting section of the distal-end rod body in the balloon dilatation catheter disclosed by the invention have smaller diameters, thereby ensuring that a whole conveying system catheter has the ability of traversing blood vessels or lesion parts with smaller diameters.
Owner:ESSEN TECH (BEIJING) CO LTD

Film coating method of self-expanding stent

The invention discloses a film coating method of a self-expanding stent, which is characterized in that polymer nano-fibers are ejected by utilizing an electrostatic spinning method and cover the net structure surface of the self-expanding stent to form a polymer film. According to the film coating method of the self-expanding stent, a coating film on the outer surface of the stent is composed of the polymer nano-fibers; a fiber film is formed through ejection by utilizing the electrostatic spinning method; a tubular self-expanding stent is sleeved on a drum-type collector and used for collecting nano-fibers following the uniform rotation of the drum-type collector; a plurality of collectors can be arranged in parallel to be a parallel collect group to synchronously carry out film coating on a plurality of stents; and the nano-fibers of the stent coating film contain drugs and developers. The self-expanding film coated stent prepared by utilizing the method has the advantages of simple process, high collection efficiency, and low cost, is environmentally friendly, can be widely applied to interventional therapies of blood vessel, trachea, bronchi, esophagus, alimentary canal, bile duct, nasolacrimal duct and the like and has a wide application prospect.
Owner:苏州同科生物科技有限公司

Sacculus dilatation catheter

The invention provides a sacculus dilatation catheter for blood vessel dilatation surgery. The sacculus dilatation catheter comprises a sacculus, a push rod, an inner tube and a connecting device, wherein the push rod is positioned between the sacculus and the connecting device and connects the sacculus and the connecting device, and the inner tube extends and passes through the internal spaces of the sacculus and the push rod. The sacculus dilatation catheter is characterized in that: at least one of the push rod and the inner tube is made of weaving silk reinforcing tube. The sacculus dilatation catheter can smoothly pass through circuitous, diffuse calcification and even long-segment occlusive blood vessels in vascular disease interventional therapy surgery.
Owner:SHANGHAI VASOLUTIONS MEDTECH CO LTD

Method for conducting puncture navigation in CT interventional therapy and puncture navigation device

The invention relates to a method for conducting puncture navigation in a CT interventional therapy and a puncture navigation device. The puncture navigation device comprises a microprocessor, a position sensor, a communication module and a direction indicator, and the puncture navigation device is connected with a CT scanning system; the puncture navigation method comprises the steps that the CT scanning system plans a preset needling insertion angle on a CT image and transmits the preset needling insertion angle to the puncture navigation device; the puncture navigation device transmits space angle information of a puncture needle to the CT scanning system and virtually displays the space angel information on the CT image; a space angle of the puncture needle is adjusted by observing the CT image or according to a hint of the direction indicator to enable the space angle of the puncture needle to be overlapped with the preset needling insertion angle; needle insertion is started, and when the needle head of the puncture needle reaches a puncture target point, the CT scanning system conducts scanning again to confirm whether the puncture needle is in position or not. According to the method for conducting puncture navigation in the CT interventional therapy and the puncture navigation device, the puncture accuracy is improved, the puncture complexity is reduced, the number of insertion of the needle is decreased, and pain borne by a patient is reduced.
Owner:SAINUO WEISHENG SCI & TECH BEIJING

Ultrasonic interventional therapy system

The invention provides an ultrasonic interventional therapy system. The ultrasonic interventional therapy system comprises a therapeutic device, a control host and a feedback device, wherein the therapeutic device comprises a therapeutic conduit with a ultrasonic transducer array; the ultrasonic transducer array has two modes of therapy and display and is used for emitting focused ultrasonic waves to a therapeutic area of a human body; the control host is used for controlling the focal position, the frequency, the energy and the like of the focused ultrasonic waves emitted by the therapeutic device; the feedback device is used for feeding back the therapeutic area under the action of the focused ultrasonic waves, and outputting the feedback information to an operator and / or the control host. The ultrasonic interventional therapy system utilizes the feedback device to output the feedback information used for process monitoring and effect evaluation of the therapeutic area in the therapeutic process, so that the various parameters of the focused ultrasonic waves can be adjusted immediately according to the feedback information; according to the technical scheme of the ultrasonic interventional therapy system provided by the invention, a problem that the existing ultrasonic interventional therapy system is poor in safety can be avoided.
Owner:黄晶

Medical equipment of micro-invasive interventional therapy for pancreaticobiliary duct

InactiveCN101919725AMinimally invasive interventional treatment is convenientSuture equipmentsInternal osteosythesisSurgical ManipulationMedical equipment
The invention discloses medical equipment of a micro-invasive interventional therapy for a pancreaticobiliary duct, which comprises a conduit, wherein the far-end of the conduit is provided with an operation part and the near-end thereof is provided with an operating part of the operation part; the conduit is at least provided with a visual orifice which can be passed through by a light pipe of an optical imaging system and a working orifice which can be passed through by an auxiliary instrument, and the visual orifice and the working orifice both pass through the near-end to reach the far-end; and the near-end of the conduit is provided with a plurality of insert tubes which are communicated with the visual orifice and the working orifice in a one-to-one correspondence mode. In the technical scheme, a visual orifice is added on the basis of ERCP medical equipment, thus not only realizing visualized operation diagnosis or therapy for the pancreaticobiliary duct, but also being simpler and having stronger technicality and lower cost compared with the endoscopic system structure. The medical equipment is disposable and the optical imaging system can be used repeatedly, thereby greatly lowering use cost and being convenient for operation manipulation.
Owner:ANREI MEDICAL HZ

Method for measuring three-dimensional morphological parameters of blood vessel in ICUS image sequence

The invention relates to a method for measuring three-dimensional morphological parameters of a blood vessel in an intracoronary ultrasound (ICUS) image sequence, which is used for improving the measurement accuracy of the morphological parameters of the blood vessel of a coronary artery. The technical scheme comprises the following steps of: completing three-dimensional reconstruction of the blood vessel by using the ICUS image sequence which is obtained by continuously withdrawing an ultrasound catheter and covers a plurality of cardiac cycles and cross information between two approximately vertical X-ray coronary arteriography images which are acquired at a starting point of a withdrawing path of the ultrasound catheter; and measuring and calculating the morphological parameters of the blood vessel which are important to clinical medicine by a geometric method by using a three-dimensional blood vessel model. Experiments prove that the measurement result of the morphological parameters of the blood vessel by the method is more accurate than that of the prior art, so that a reliable basis for visual diagnosis and treatment of coronary heart diseases and evaluation of interventional therapy effect is provided.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

Force feedback based remote control surgical device

The invention discloses a force feedback based reconstructed remote control medical operating device which comprises a remote control wire feeding mechanism, a force feedback operating platform, a control system, a monitoring device and a power supply management system. The control system, the power supply management system and the force feedback operating platform are arranged at an operating end; the remote control wire feeding mechanism and the monitoring device are arranged at a surgical end; an irradiation protection device is arranged between the operating end and the surgical end; the control system is connected with the monitoring system for obtaining real-time operation images; the control system is connected with the remote control wire feeding mechanism for receiving position motion parameters and outputting remote control instructions of reversing and conveying guide wires; the control system is connected with the force feedback operating platform for obtaining operating parameters and outputting precise reconstruction operating instructions; and the power supply management system is respectively connected with the remote control wire feeding mechanism, the force feedback operating platform, the control system and the monitoring device. In the invention, the force feedback based remote control operation in medical treatment is realized and the safety of medical personnel in radioactive interventional therapy can be ensured.
Owner:上海交睿机器人科技有限公司

Cerebral aneurysm hemodynamic index evaluation method, system and device and medium

The invention discloses a cerebral aneurysm hemodynamic index evaluation method, system and device and a medium. The evaluation method comprises the following steps: acquiring human body cerebral artery image data; carrying out anatomical modeling on the human body cerebral artery medical image data to obtain a cerebral aneurysm anatomical model; fluid mechanics calculation processing is conductedon the cerebral aneurysm anatomical model, and outputting a calculation result; and adding the calculation result to a corresponding position of the cerebral aneurysm anatomical model, and carrying out visual display of hemodynamic indexes. According to the method, the system, the equipment and the medium, the hemodynamic indexes of the cerebral aneurysm can be obtained according to the medical image data of the human cerebral artery. Therefore, the relationship between the hemodynamic characteristics and the occurrence, development and rupture of the aneurysm can be analyzed based on the obtained hemodynamic indexes, and a theoretical basis is provided for risk factor assessment and interventional therapy of the cerebral aneurysm.
Owner:BEIJING GUANSHENGYUN MEDICAL TECH CO LTD

Biomedical absorbable Mg-Si-Sr-Ca multi-element magnesium alloy material as well as production method and application thereof

The invention relates to a biomedical absorbable Mg-Si-Sr-Ca multi-element magnesium alloy material as well as a production method and application thereof. The biomedical absorbable Mg-Si-Sr-Ca multi-element magnesium alloy material is suitable for being used as an implant material used in a human body environment. The biomedical absorbable Mg-Si-Sr-Ca multi-element magnesium alloy material comprises the following components in percentage by weight: 0.1%-20.0% of Si, 0.1%-8.0% of Sr, 0.1%-10.0% of Ca and the balance of Mg. The biomedical absorbable Mg-Si-Sr-Ca multi-element magnesium alloy material is a multi-element magnesium alloy system consisting of total nutrient elements of Mg, Si, Sr and Ca; the form, quantity and distribution of a plurality of second phases such as Mg2Si, Mg2Sr, Mg17Sr2, Mg2Ca, CaMgSi and the like in the magnesium alloy are controlled, so that the multi-element magnesium alloy with the optical comprehensive performances is obtained. The biomedical absorbable Mg-Si-Sr-Ca multi-element magnesium alloy material disclosed by the invention has good biocompatibility and mechanical properties, and is a biodegradable magnesium alloy material with excellent comprehensive performances. Besides, the biomedical absorbable Mg-Si-Sr-Ca multi-element magnesium alloy material has a high application value in the fields such as interventional therapy for cardiovascular diseases, intraosseous implant and the like.
Owner:INST OF METAL RESEARCH - CHINESE ACAD OF SCI
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products