33 results about "Interventions therapy" patented technology

The invention provides a cardiovascular interventional virtual surgery simulation system based on force feedback. The cardiovascular interventional virtual surgery simulation system comprises a displacement collecting unit, a force feedback mechanism, a motor driver, a processor and a computer, wherein the displacement collecting unit comprises a guide wire displacement collecting unit, a balloon catheter displacement collecting unit and a guiding catheter displacement collecting unit; and the force feedback mechanism comprises a guide wire force feedback mechanism, a balloon catheter force feedback mechanism and a guiding catheter force feedback mechanism. The cardiovascular interventional virtual surgery simulation system is used for simulating the movement sense and the force sense in the process of inserting guide wires, catheters and the like in vascular intervention therapy. The surgery accuracy is high, the repeatability is good, the training cycle of doctors can be shortened, and the surgical risk is reduced.

The invention relates to a detection kit for detecting the relative expression level of PML-RAR (alpha) fusion gene by use of fluorescent quantitative PCR (polymerase chain reaction) technology. The detection kit comprises the following materials in part ratio: red blood cell lysis buffer, TRIzol, chloroform, absolute ethyl alcohol, reverse transcription PCR reagent, detection system PCR reaction liquid, positive control substance and negative control substance. The kit provided by the invention has the advantages that the precision is high, the result is convenient to read, both the amplification efficiency and the rate reach the best level and the like; the complicated condition grope link is omitted; and the experimental efficiency is greatly improved. The kit has good specificity and high sensitivity and is easy and convenient to operate according to the test. The detection kit is favorable for the trace residue detection of the PML-PAR (alpha) (type L/type S) fusion gene in a clinical APL (acute promyelocytic leukemia) patient, and has great importance in performing timely intervention therapy to avoid hematological recurrence, adjusting the therapeutic schedule, evaluating the therapeutic effect, predicting the prognosis and preventing clinical recurrence.

The invention discloses a drug intervention therapy device for medical oncology. The drug intervention therapy device comprises a supporting shelf, a puncture drainage device, a hemostasis device, a drug administration device, a control device and a power supply; the supporting shelf comprises bases, telescopic columns, a supporting beam and a slide sleeve; the puncture drainage device comprises apuncture needle and a drainage bottle; the drug administration device comprises a drug storage tank; the control device comprises a controller, a remote control unit and a processor; the telescopic columns are arranged on the bases; the supporting beam is arranged on the telescopic columns, the slide sleeve is arranged on the supporting beam, and a fixation box is arranged at the lower end of theslide sleeve; a puncture device is arranged at the lower end of the fixation box; drug storage devices are arranged on the bases; the controller is connected with the telescopic columns, the remote control unit and the processor are connected with the controller, and the power supply supplies power to the telescopic columns. By means of the drug intervention therapy device, the focus part can besubjected to drug administration and hydrop drainage, the hemostasis device is arranged, the clinic using effect is good, and the drug intervention therapy device is suitable for being popularized ona large scale.

The invention pertains to the technical field of flexible electrode materials, and relates to a preparation method of a flexible medical silver electrode material, which specifically comprises the steps: firstly, the surface of a polymer material is modified, active groups are introduced on the surface, then chemical silvering is conducted under the action of ultrasonic wave; the active groups are connected with the silvering by chemical bonds, thus greatly improving the compactness of the silvering and the adhesiveness of the polymer material, and leading the peel strength of the silvering to be larger than 40 N/cm; and by test of simulated body fluid, the prepared flexible electrode material has extremely high corrosion resistance. The electrode material has high safety coefficient, andcan be widely applied to intervention therapy in clinical medicine such as repeat treatment of esophagus cancer, congenital heart disease, and the like.

The invention discloses a vascular intervention operation collection device based on an improved optical fiber data glove and a vascular intervention operation collection method based on an improved optical fiber data glove. The device comprises an operation guide wire circumferential rotary collection module, an operation guide wire axial propelling collection module, a support auxiliary module and a data processing module, wherein the operation guide wire circumferential rotary collection module is used for collecting finger bending curvature information when an operator rotates a guide wire; the operation guide wire axial propelling collection module is used for collecting hand movement information when the operator propels or withdraws the guide wire; the support auxiliary module is used for supporting a simulated blood vessel environment and enabling the front end of the guide wire to be positioned in an effective magnetic field emission region of an electromagnetic positioning system; the data processing module is used for processing, analyzing and converting the collected data. The vascular intervention operation collection device is capable of performing modeling analysis on hand and finger movement in an operation process; the method is capable of tracking movement of the guide wire in a vascular intervention therapy, so that the operator can effectively control the propelling and rotary motion of the guide wire, the operation precision is improved, and the recovery period of a patient is shortened.

The invention relates to a bivalirudin-polyethylene glycol compound and a preparation method thereof, a medicinal composition containing the compound and application. The bivalirudin-polyethylene glycol compound is a new structural compound which is obtained by cysteine substitution for any glycine from the 5th site to the 8th site in a bivalirudin sequence and polyethylene glycol modification, keeps the activity of bivalirudin and prolongs the half-life period of the bivalirudin. The application of the bivalirudin-polyethylene glycol compound in medicaments for treating or preventing thrombus diseases comprises application in medicaments for unstable angina pectoris, peripheral artery intervention therapy, hearth and lung transplantation and thrombus preventing treatment.

The invention provides an autism virtual teaching system based on a virtual reality technology. A virtual teaching environment is presented to the autistic patient through a virtual reality technology; early intervention therapy is provided, and the virtual teaching system comprises a virtual reality module, a natural language processing module, a computer vision module and a virtual teaching module. According to the defect degree of language and behavior of an autistic patient, a specific teaching mode and difficulty level are set, an autistic patient makes language and behavior feedback according to the instruction of a virtual teaching scene, the virtual teaching system records various feedback signals including language, body movement, motion information of virtual equipment and the like, the feedback signals are analyzed and evaluated, and the mode and difficulty of the next teaching scene are determined.

The invention discloses a self-expansion intervention valve stent for preventing the coronary artery from being shielded, and relates to the field of intervention therapy equipment for cardiovasculardiseases. The intervention valve stent is composed of two parts including the upper end and the lower end; the upper end is composed of three arc supporting ribs, and the supporting ribs are of an annular structure and expand outwards from bottom to top; the lower end is composed of one circle of 6 or more quadrangular net-shaped structures in the circumferential direction. The cross section areaof the supporting ribs at the upper end is equal to or larger than that of metal ribs of the quadrangular structures at the lower end to provide radial support force with proper intensity. By means ofthe self-expansion intervention valve stent, the metal coverage area of the upper half part of the self-expansion intervention valve stent is reduced, and the coronary artery can be prevented from being shielded by the stent.

The invention relates to a method for screening active components from a traditional Chinese medicine or natural medicine complex system, and provides the method for screening the active components from the traditional Chinese medicine or natural medicine complex system on the basis of metabonomics and traditional Chinese medicine chemical composition analysis technology. The method is characterized in that: establishing a related disease animal model, performing intervention therapy on effective parts by use of a traditional Chinese medicine or a natural medicine compound prescription or an element-plus/minus prescription of the traditional Chinese medicine or the natural medicine compound prescription; aiming at drug intervention-treated animal body fluids or tissues for metabonomics study to obtain curative effect differences information of medicine treatment groups; using a multivariate statistical analysis method to for search and identification of chemical constituents of differences so as to lead compounds or compound groups with active effects in the traditional Chinese medicine or natural medicine compound prescription. The method for screening the active components is reasonable and feasible. The method for screening the active components can be used as a method to develop new drugs from the traditional Chinese medicine or natural medicine complex system, also can be used as supplementary means for quality control of traditional Chinese medicines or natural medicine compound medicines.

The invention provides a method for controlling the emission of X-rays in a CT interventional therapy. An X-ray tube rotates around a patient and gains the data of the patient; the X-ray tube is closed within a setting range which is the range of the hands of a doctor when the CT interventional therapy is performed; the X-ray tube is closed within the range through setting a starting point and an angle, an end point and an angle, or a center point and an angle. The method reduces the irradiation on the hands by the X-rays emitted from the X-ray tube as much as possible when the doctor acts the CT interventional therapy through setting the closing range of the X-ray tube, thereby effectively protecting the hands of the doctor.

The invention discloses a nursing assisting device for the intervention therapy department. The device includes a body, the side walls of the left side and right side of the body are fixedly provided with locking belts, one end of each locking belt is fixedly provided with a clamping buckle, the other end of each locking belt is fixedly provided with a clamping head, the top of the body s fixedly provided with a pressurization device, the pressurization device includes a housing, the left side of the top of the housing is movably connected with one end of a pressing rod through a supporting frame and a rotating shaft, the other end of the pressing rod is fixedly provided with a handle, the center position of the pressing rod is fixedly provided with a connecting rod through the rotating shaft, the bottom of the connecting rod is fixedly connected with a piston, the piston is closely attached to the inner side of the housing, the body is further provided with an opening, a rubber sleeve is fixed to the open position of the opening, the inner wall of the opening is further provided with a sterilization device, a heating device is located on the left side of an inner cavity of the body, and the inner cavity of the body is further provided with a pressure sensor. The device is simple in structure and high in practicability.

The invention discloses a novel titanium stent for aged coronary artery and a treatment method of the titanium stent. A stent body is made of a titanium material. The treatment method comprises the following steps of adsorbing a nanoparticle composition onto the surface of the stent body; after the surface of the stent body is polished and cleaned, soaking the stent body into an NaOH (sodium hydroxide) solution, reacting for 10h at the temperature of 70 DEG C, cleaning by ultrasonic waves in primary distilling water, soaking into secondary distilling water, reacting for 10h at the temperature of 70 DEG C, cleaning by ultrasonic waves in primary distilling water, and drying at the temperature of 37 DEG C; soaking the stent body into PLL (poly-l-lysine), standing for reacting for 20h at the temperature of 4 DEG C, and cleaning the stent body by a phosphate buffer solution. The GDP (guanosine diphosphate) at the surface of the stent body is combined with HEP (haperin), PLL, LN (laminin) or SDF-1apha (stromal derived factor-1alpha) to build a biological functional micro-environment with effects of coronary artery immune regulation, blood compatibility, coronary artery thrombus formation inhibition, coronary artery endothelial injury recovery, and coronary interventional treatment restenosis inhibition, so as to possibly solve the problems of coronary artery thrombus formation and restenosis caused by intervention therapy for coronary multi-vessel lesions and complex coronary artery lesion.

The invention discloses a support for treating intracranial aneurysms in an intervention therapy department. The support comprises a support body, a conveying device is movably connected on the inner side of the support body, the support body comprises a cobalt-base alloy foil ring, S-shaped holes are uniformly formed in the surface of the cobalt-base alloy foil ring in a chemical etching manner, and a nickel-titanium metal net ring is welded on one side of the cobalt-base alloy foil ring and is of a net structure woven by titanium alloy wires and nickel alloy wires. The support is of a structure with the cobalt-base alloy foil ring and the nickel-titanium metal net ring, the pure support is implanted, hemodynamics of the intracranial aneurysms is changed, thrombogenesis and organization in the aneurysms are facilitated, so that parent arteries are rebuilt from an anatomy, integration of the structure and inner walls of blood vessels are high, repulsion does not easily generate, the conveying device is arranged, conveying stability of support in the operation process is improved, operation efficiency is improved, and operation risks are reduced.

The invention belongs to the field of medical instruments, and discloses a cardiovascular intervention therapy device which comprises a needle tube. A one-way valve is embedded into the front end of the needle tube, a rubber positioning piece is vertically mounted on the one-way valve, a push rod is movably mounted inside the needle tube, a hole plug is arranged inside the push rod, a rubber plugis fixedly mounted at the front end of the push rod and clamped inside the needle tube, a through hole is formed in the front end of the rubber plug, an elastic sealing diaphragm is mounted inside thethrough hole, a guide wire hole is formed in the rear end of the push rod and communicated with the hole plug, a push plate is integrally mounted at the rear end of the push rod, and a conical blockis arranged in the middle of the push plate. The one-way valve is arranged at a needle head of the cardiovascular intervention therapy device, when the needle head is inserted into a blood vessel, a clamping valve flap further clamps a guide wire under reverse thrust of blood pressure, reverse flow of blood is decreased, annular valve flaps are arranged in a needle cylinder and a piston, reverse flow of the blood is reduced to the minimum, surgical safety is greatly improved, pollution to a worktable top is avoided, and bacterial pollution is reduced.

The invention relates to the technical field of medical apparatuses, in particular to a postcerebral intervention therapy postoperative fixator. The postcerebral intervention therapy postoperative fixator comprises two joint fixing sleeves and two leg fixing sleeves, wherein the joint fixing sleeves and the leg fixing sleeves are connected through a connecting band I; the two joint fixing sleevesare sewed and fixed together through a connecting band II; the two leg fixing sleeves are sewed and fixed together through a connecting band III; a locking band I is connected to the side surface of each joint fixing sleeve in a sleeving manner; a bed body fixing seat is fixedly connected to the ends of the locking bands I; a locking band II is connected to the side surface of each leg fixing sleeve in the sleeving manner; and bed leg fixing sleeves are fixedly sewed to the side surface of the locking bands II. According to the postcerebral intervention therapy postoperative fixator disclosedby the invention, the joint fixing sleeves and the leg fixing sleeves are flexibly fixed, and are used for separately pulling and fixing the legs and the joints to the periphery, so that the limbs cannot be pressed; and the joints and the shanks of a patient are respectively subjected to effective protective fixation..

A medical pressurizing staltic waist band unit for the intervention therapy is composed of a transverse band with fixing ring, an oblique left band, and an oblique right band perpendicular to said left one and with two ends able to be stuck together.

The invention discloses an interventional upper limb cushion. The interventional upper limb cushion comprises an upper limb cushion body and a base cushion, wherein hook-and-loop fasteners with corresponding locations are respectively fixed on the lower surface of the upper limb cushion body and the upper surface of the base cushion to form flexible connection, the upper limb cushion body is of a triangle slope shape, the slope face of the upper limb cushion body is provided with a U-shaped groove, and the base cushion is of a cuboid shape; the upper limb cushion body and the base cushion are made of sponge, and the whole outer sphere is wrapped by cotton gauze. The interventional upper limb cushion has the advantages of effectively lifting the upper limb of the operation side of a patient who undergoes redial artery and coronary artery intervention therapy, stably placing the upper limb and relieving limb swelling and pain; the upper limb cushion body and the base cushion can both be used separately or be connected to be used as a whole, limb placing height requirements of different postures of the patient can be met; the utilization is convenient and the cleaning is easy.

The invention relates to treatment for coronary microembolization. The coronary microembolization (CME) is an extremely-common and important clinical event in acute coronary syndrome and percutaneouscoronary intervention therapy. According to the treatment, it is discovered that through low-dose EPC transplantation, generation of endothelial cell growth factors VEGF and blood capillaries can be increased, fibrocyte growth factors bFGF are inhibited, cardiac muscular tissue lesion and cardiac muscular tissue collagen fiber proliferation caused by CME are relieved, and a new strategy is provided for CME treatment.