91results about How to "Promote remodeling" patented technology

The invention discloses a virtual reality rehabilitation training system and method. The system comprises a motion capture device, a mobile device and a processor. The processor is installed in the mobile device to form an integrated bedside device, and the processor is connected with the motion capture device. The motion capture device is used for acquiring patient's limb motion data in real time. The processor comprises a data receiving module, a processing module and a displaying module. The data receiving module is used for receiving the limb motion data. The processing module is used for emitting a driving signal, and assessing training on a patient according to the limb motion data to obtain an assessment result. The display module is used for displaying changes of three-dimensional human model's actions in real time according to the driving signal, and the assessment result. The mobile device comprises a device main body and a mobile mechanism connected at the lower end of the device main body, the device main body is provided with a height adjusting mechanism used for adjusting the height of the device main body. The virtual reality rehabilitation training system is low in cost, small in land occupation and convenient to move, so the system can be disposed beside a patient's bed.

The invention relates to a three-stage brain-controlled upper limb rehabilitation method combining steady-state visual evoked potential and mental imagery (MI). The method comprises the following steps: (1) the first stage of VR video guidance training: a patient is made to be familiar with upper limb rehabilitation movements through VR video guidance; (2) the second stage of VR-SSVEP training: the patient needs to concentrate to observe pictures that represent different upper limb movements and flicker with a specific frequency, EEG signals of the patient are collected in real-time to analyzeintentions of the patient, and visual feedback is provided to the patient through VR animation to make the patient learn to concentrate; and (3) the third stage of VR-MI training: EEG signals of theleft and right upper limbs of the patient during MI are collected during off-line training, and a mental imagery intention recognition model is established. The EEG signals of mental imagery of the patient are analyzed according to the model during online training, movement intentions of the patient are recognized, and movements of a 3D character in an interface are controlled in real time, so that brain central nerve remodeling is facilitated through MI. The method exhibits a good immersion property, enables active rehabilitation to be realized, enables rehabilitation to proceed step by step,and is a new method for upper limb rehabilitation of a cerebral stoke patient.

The invention relates to a regenerative implant of a cruciate ligament and a preparation method and application thereof. A surgical suture-shaped structure made of a degradable high molecule polymerization material is used as an initial mechanical support structure; a membrane-shaped structure made of a composite electrostatic spinning timbering material is used as a core structure for tissue remodeling and regeneration to be tightly wrapped in a winding mode on the initial mechanical support structure so as to form ligament regeneration elements; the multiple ligament regeneration elements form a ligament regeneration element set which is the regenerative implant of the ligament. The results of a goat animal experiment confirms that the implant is completely degraded within 52 weeks after being implanted to an organism, is induced to form an autogenous ligament tissue in the cavity of a knee joint, and induces the bone tunnel interface of a tibia and a femur to form tendon-bone healing; the maximum pulling force of the regenerated ligament is 20-60% that of a normal ligament tissue within 12 months after the implant is implanted to the organism.

A continuous method for producing a thermoplastically moldable semifinished product of a thermoplastic material and reinforcing fibers, comprises blending thermoplastic fibers and reinforcing fibers together to form a nonwoven blend, consolidating the nonwoven blend by needling or by a thermal treatment, heating the consolidated nonwoven blend to a temperature above the softening temperature of the thermoplastic, compressing the consolidated nonwoven blend successively in a heated compression mold and in a cooled compression mold at a pressure of less than 0.8 bar for at least 3 seconds, and optionally applying functional layers to the semifinished product. The preferred product is a thermoplastically moldable semifinished product of a thermoplastic material and reinforcing fibers with an average length of 20 to 60 mm and an air pore content of 35 to 65 vol %.

The invention provides a fracture fixation device capable of realizing longitudinal dynamic sliding. According to the fracture fixation device, slide rails are arranged on a strip steel plate, sliding chutes are arranged on block steel plates, and the block steel plates sleeve the slide rails of the strip steel plate through the sliding chutes, and can slide dynamically and longitudinally on the strip steel plate; screw holes are reserved in the block steel plates, and the threads of the screw holes are matched with those on the tail of screws so that the block steel plates and the screws are integrated into a whole; grooves are reserved on the strip steel plate, and the screws are screwed into the skeleton after sequentially passing through the screw holes in the block steel plates and the grooves in the strip steel plate, and can slide in the grooves of the strip steel plate. According to the fracture fixation device, the fixation is stable, the healing time is short, the dynamic pressing and extension adjustment are integrated into a whole, and the healing and growth of the diseased bone are promoted; the limiting sliding fixation technology is adopted, the fracture end can be pressed continuously in the healing process of the fracture, no stress shielding is generated, and the longitudinal mechanical stress and final motion can be conducted on the fracture end, therefore, the fracture healing is promoted, the difficulties that the skeletal development is limited and the fracture healing is slow in the traditional static fixation model are solved, the treatment and rehabilitation time of patients are shortened, the burden of the patients is alleviated, and the fracture fixation device belongs to an ideal matched fixation apparatus specially used for treating limb fracture.

The invention discloses an application of a traditional Chinese medicine composition in the preparation of a medicine for treating dilated cardiomyopathy. The traditional Chinese medicine composition of the invention achieves the aim of treating dilated cardiomyopathy by improving the heart function effectively and improving the ventricular remodeling to a certain extent.

The invention concerns a piston arrangement having a piston with a piston head and a piston skirt and a connecting rod, which is connected with the piston via a ball joint arrangement comprising a ball, the ball being held in the piston by means of a safety element.

The invention discloses a virtual reality bedside rehabilitation training system and method. The system comprises a motion capture device, a mobile device and a processor. The processor is installed in the mobile device to form an integrated bedside device, and the processor is connected with the motion capture device. The motion capture device is connected with patient's limbs and used for acquiring patient's limb motion data in real time. The processor comprises a data receiving module, a processing module and a displaying module. The data receiving module is used for receiving the limb motion data acquired by the motion capture device. The processing module is used for emitting a driving signal to drive a three-dimensional human model to act according to the limb motion data, and assessing training on a patient according to the limb motion data to obtain an assessment result. The display module is used for displaying changes of three-dimensional human model's actions in real time according to the driving signal, and the assessment result. The virtual reality bedside rehabilitation training system is low in cost, small in land occupation and convenient to move, so the system can be disposed beside a patient's bed to training a patient in bed in the early stage of rehabilitation.

A continuous method for producing a thermoplastically moldable semifinished product of a thermoplastic material and reinforcing fibers, comprises blending thermoplastic fibers and reinforcing fibers together to form a nonwoven blend, consolidating the nonwoven blend by needling or by a thermal treatment, heating the consolidated nonwoven blend to a temperature above the softening temperature of the thermoplastic, compressing the consolidated nonwoven blend successively in a heated compression mold and in a cooled compression mold at a pressure of less than 0.8 bar for at least 3 seconds, and optionally applying functional layers to the semifinished product. The preferred product is a thermoplastically moldable semifinished product of a thermoplastic material and reinforcing fibers with an average length of 20 to 60 mm and an air pore content of 35 to 65 vol %.

A prosthetic aortic root replacement graft for preserving the native aortic valve that includes a biocompatible flexible material havinga) a tubular superior segment (3), with an upper free edge (2) for anastomosis of the prosthesis to the aortic arch, and a lower edge (4);b) a hollow medial segment (5) with an upper edge (6) that is connected to the lower edge (4) of the superior segment (3) and a lower edge (8); andc) optionally a tubular inferior segment (10).The medial segment (5) includes three triangular-like tongues (7) tapering towards the upper edge (6) and three bulges (12). The bulges (12) and the tongues (7) are in an alternating arrangement.

The invention relates to a movement imagery brain-computer interface-based hand function rehabilitation method. The method comprises the following steps of (1) performing offline training: performing the offline training on a patient, and after the training is finished, building a first-time identification model by an acquired electroencephalogram signal during a left and right hand movement imagery period of the patient; (2) performing update training: performing the update training on the patient, analyzing the electroencephalogram signal during the left and right hand movement imagery period of the patient according to the first-time identification model, presenting a hand action video, feeding back the hand action video to the patient, generating an electroencephalogram signal easier to identify, and after the training is finished, building an update identification model by the acquired electroencephalogram signal; and (3) performing virtual reality online training: performing left and right hand movement imagery of the patient, analyzing the electroencephalogram signal of the patient according to the update identification model, and controlling a left and right hand movement of a 3D character in real time. The method has the characteristics of high safety, manpower saving, interestingness and multiple levels. The method can serve as a hand function rehabilitation method for cerebral stroke patients, is simple in operation, and lays a foundation for family-mode training.

The invention discloses an upper limb rehabilitation training robot. The upper limb rehabilitation training robot comprises a training table, wherein the training table is provided with a display device and at least one end effecter; the end effecter is used for clamping an upper limb of a patient; the end effecter is connected with a cooperative mechanical arm; the cooperative mechanical arm candrive the end effecter to move and / or the upper limb can drag the cooperative mechanical arm to move through the end effecter. The invention further discloses an upper limb rehabilitation training method which is carried out by utilizing the robot and active training or passive training can be selectively carried out; when the active training is carried out, the cooperative mechanical arm is at aflexible state; the display device is used for displaying the upper limb of the patient in a game interface of the display device; the upper limb with part of muscle strength of the patient drags thecooperative mechanical arm to move in the game interface through the end effecter, so that the active training is carried out while a game is finished; when the passive training is carried out, the cooperative mechanical arm drives the upper limb of the patient to move according to a pre-set trace through the end effecter, so that the brain function and nerve remodeling are promoted.

The invention relates to a technology for building a small-caliber vascular stent, which comprises the following steps: (1) manufacturing the inner wall of a vessel with fibrin glue by a stent building technology, (2) building the outer wall of the vessel by an electrospinning technology and (3) drying, sterilizing and preserving the vascular stent. Compared with the prior art, the invention has the advantages of simple technology, convenient operation, easy implementation of industrialization and high industrialization value.

A method for producing a shaft and a device containing such a shaft (22), in particular an armature shaft (22) of an electric motor drive (10), which shaft is held by at least one shaft bearing (43), includes forming a bearing surface (40) for guidance in a shaft bearing (42) onto the shaft (22) at at least one point by positive displacement of material.

The present invention discloses a cervical synostosis device for front enter operation of cervical vertebrae. Said device is formed from upper and lower two arms, screws and a hollow column body and is prepared by using absorbable material of poly-DL-lactic acid, poly-L-lactic acid and polyglycollic acid or copolymer of them, biological ceramics or composite of hydroxyapatite and the above-mentioned polymer. The side wal of said column body can have or have not open pore, its upper surface is made into the risen form, and its upper and lower surface can have or have not pointed tooth, and its cross-section is polygonal or circular. Said invention also provides its advantages and application range.

Tubular geotextile fabric is mounted on a collapsible supply cartridge, which may be shipped to a perforated drain pipe manufacturer, distributor, or retailer in collapsed form to save shipping space. Upon receipt by the manufacturer or the others, the collapsible tube is reshaped to easily slide over the pipe. As the pipe pushes through the cartridge, the fabric becomes positioned thereon.

The invention discloses preparation and application of a linear biodegradable polyester elastomer with a controllable elasticity and shape memory effect. The linear biodegradable polyester elastomer with the controllable elasticity and shape memory effect is formed by conducting copolymerization on a caprolactone monomer containing a lateral cyclic ether structural unit and caprolactone, wherein the molar ratio of the caprolactone monomer containing the lateral cyclic ether structural unit to the caprolactone is 5:95-25:75, and the structural formula can be found in description. The viscoelasticity of the linear biodegradable polyester elastomer with the controllable elasticity and shape memory effect is remarkably improved, the elongation at break can reach 1600% and above, the elastomer can be dissolved in a conventional organic solvent, a three-dimensional porous support can be constructed conveniently through a construction technology of the porous support such as, electrostatic spinning, three-dimensional printing and phase separation, tissue engineering blood vessel scaffold materials, myocardial patches, nervous tissue engineering scaffold materials and the like are prepared, and the preparation and application of the linear biodegradable polyester elastomer can be widely applied to the fields of soft tissue engineering scaffolds, tissue repair and regenerative medicine.

A porous support for cartrilage tissue engineering is prepared from the high-molecular material of polyethanediol, polyamide, or polyacrylic acid type as mould material, polyhydroxy alkanoate as polymer for the porous support chloroform as solvent and water-soluble crystal as pore-forming agent through smelting the said mould material, pouring it into a container in which there is a soft silica gel male mould, obtaining a high-molecular femal mould, filling the mixture of polymer solution and pore-forming agent particles in the said femal mould, closing compacting, baking to remove solvent, dissolving the mould and pore-forming particles, and drying.

Described are medical devices which are or can be used to form tubular medical devices, and related methods. Preferred devices include tubular grafts of biomaterial having lumen walls which present no seam edge that traverses the entire length of the lumen, illustratively including devices having lumen walls which have a discontinuous seam presenting multiple seam edges. Such a device may include a tubular structure formed by inserting a plurality of extensions of a biomaterial sheet through a plurality of corresponding apertures of the sheet.

The invention discloses a probiotics solid beverage containing mushroom polysaccharides. The probiotics solid beverage containing mushroom polysaccharides is characterized by comprising the following components in percentages by weight: pleurotus eryngii polysaccharide 3-4.5%, tremella polysaccharide 4.5-5%, probiotics powder 4-6%, oligomeric galactose 10-15%, oligofructose 5-10%, water-soluble dietary fibers 60-70% and sucralose 0.05-0.1%.

A coil shaping device includes a mounting part for mounting a coil to be shaped, a heating part for softening the coil to be shaped, a shaping part for shaping the softened coil to be shaped and a cooling part for cooling the shaped coil. The invention also relates to a coil shaping method. Compared with the prior art, the coil to be shaped is softened by the heating part, so that the coil can beshaped by the shaping part more easily; and in addition, the shaped coil is cooled by the cooling part, which is helpful to remodel the shape of the coil and improve the yield of the coil.

A medical device (40) including a collagenous biomaterial (10) for causing embolus and treating an aneurysm. The collagenous biomaterial (10) includes a small intestine submucosa (12) that is configured into various components (16) for causing a vascular occlusion or a packing aneurysm lumen.

The invention discloses a method for preparing chitosan soluble gauze rich in growth factors. The method comprises the steps of S1, weighing auxiliary materials according to a weight ratio to prepare blood platelet pretreatment liquid; S2, preparing blood platelet freeze-dried buffer solution; S3, preparing pretreated blood platelet rich plasma; S4, preparing carboxymethyl chitosan solution; and S5, preparing the chitosan soluble gauze rich in growth factors. After chitosan is gelated, the blood platelet rich plasma is added to obtain the chitosan soluble gauze rich in growth factors, pore diameter is 130-160 [mu]m, a large number of growth factors and abundant fibrous protein networks are contained and can be absorbed by the human body easily, no toxic and side effects can be caused, growth of various bacteria and fungi can be restrained, more structure space is provided for cell growth, in-vivo and in-vitro release of various growth factors can be achieved, tissue repair and vascular remodeling can be achieved easily, antibacterial performance is excellent, and the chitosan soluble gauze is a novel medical and biologically hemostatic material with high cost performance.

A method for treating skin tissue or extracellular matrix in a body region. A precursor of a photosensitive compound is introduced into the body region. One or more enzymes converting the precursor to the photosensitive compound are then introduced into the body region so as to convert the precursor to the photosensitive compound in the extracellular matrix of the body region.

The invention concerns a piston arrangement having a piston with a piston head and a piston skirt and a connecting rod, which is connected with the piston via a ball joint arrangement comprising a ball, the ball being held in the piston by means of a safety element.

The present invention provides a biological scaffold and a preparation method and an application thereof. The biological scaffold comprises a biological matrix and long-chain DNA entangled in the biological matrix. The biological scaffold is of a pore structure. The biological scaffold of the present invention adopts the biological matrix as the main scaffold material, and the long-chain DNA entangled in the biological matrix as a mechanical lock for locking biological matrix fiber. Sol containing a large amount of monodisperse droplets is rapidly gelated under the action of a shear force, soas to shorten gelation time of natural biological matrix and increase gelation speed by 10-100 times. The pore structure promotes the exchange of substances in the biological matrix, provides oxygen and nutrients to cells, discharges metabolic wastes, and improves survival rate of cell transplantation.

A bougie device for guiding insertion of an endotracheal tube into an airway of a person, comprises an elongate body of shape memory and self-lubricating material, for example Teflon™. Accordingly no lubrication is required for insertion into the airway for ease of cleaning and sterilizing for reuse. Also, the amount of curvature of the overall rod as well as an angle of the tip of the rod can be adjusted due to the shape memory characteristics of the body to accommodate a particular patent's airway. The body can also be suitably sized to have vibration transmission characteristics such that a contact with one end of the bougie device with tracheal rings of the patient can be felt by a user.

The invention relates to an auxiliary exercise training system and method. The training method mainly comprises the following steps that function orientation is carried out, a mapping region of a phantom limb in a brain primary motor cortex of an amputee is found out to be used as a region of interest for extracting real-time nerve feedback signals; nerve signals in the region of interest are extracted in real time by a nerve signal real-time feedback system based on a function magnetic resonance technology through the function magnetic resonance technology so as to guide the amputee to do the exercise rehabilitation training of a stump; and a myoelectric signal acquiring system is used for acquiring a myoelectric signal of the stump of the amputee and monitoring the rehabilitation training effect of the amputee in real time. By the exercise rehabilitation training system and the training method, the nerve feedback signal of the brain primary motor cortex of the amputee is monitored in real time on the basis of the magnetic resonance technology so as to guide the amputee to do the exercise rehabilitation training of the stump and promote the recombination of the brain primary motor cortex of the amputee, and the application condition of an artificial limb can be obviously improved.

The invention provides a method for adding BIM attributes and outputting a BIM attribute table based on a CATIA model, and belongs to the field of three-dimensional digital design. In order to solve the problems that an existing CATIA model cannot achieve non-geometric attribute input, and an exported BIM attribute table cannot achieve compatibility of BIM models of different platforms, so that BIM attributes are lost, the method comprises the steps that CATIA three-dimensional design software serves as a platform, and parts are newly built; adding an extension attribute into the part; storingthe part with the added attribute as a template file; and after the design is completed, exporting the BIM attribute table through one key, and storing the BIM. According to the method, the non-geometric attributes can be input through the CATIA model, so that the CATIA model becomes the BIM model, the BIM attribute table can be exported, the model information is complete, the problem that BIM model conversion of different platforms is incompatible is solved, and attribute reconstruction of a third-party platform of the CATIA model is greatly facilitated.