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

32results about How to "Physiologically" patented technology

Aortic-arch covered stent-graft

ActiveCN102973303ACustom avoidShorten the timeStentsSurgeryChimney graftThree vessels
The invention discloses an aortic-arch covered stent-graft, which comprises an aortic stent-graft and three branch artery stent-grafts, wherein a sunk part is arranged in the aortic stent-graft and comprises a left-side wall close to a proximal end, a right-side wall far away from the proximal end and a bottom wall for connecting the left-side wall with the right-side wall; two openings are arranged on one side wall in the left-side wall with the right-side wall of the sunk part, and one or two openings are arranged in the other side wall; an inner chimney graft with a caliber comparative with the openings is fixedly arranged in each opening; and the branch artery stent-grafts are respectively arranged in the chimney grafts. The stent-graft system with the structure can isolate aortic lesions involving the aortic arch and the ascending aorta and reconstruct the blood flow of branch arteries, is suitable for various normal and changing blood vessels, has a wide range of application, avoids customized stents, and can be in mass production. The time is effectively saved, and the operation is easy.
Owner:ZHONGSHAN HOSPITAL FUDAN UNIV

Multifunctional glasses frame

The invention relates to a multifunctional glasses frame provided with a receiving-playing device, composed of a glasses frame and the receiving-playing device, where the glasses frame is composed of glasses leg and glasses frame, and the receiving-playing device is composed of circuit, power supply and small speaker, the circuit can be a radio circuit, a MP3 circuit or / and a Bluetooth circuit, and arranged on the glasses leg or on both the glasses leg and the glasses frame, the power supply is arranged on the glasses leg and the small speaker is arranged on the glasses leg or connected outside the glasses leg through a lead. The invention integrates the receiving- playing device and the glasses frame, skillfully, compact and reasonable in structure, and convenient to carry, store and use. As a pair of glasses, the invention can make the users listen to the radio broadcast, MP3 music or wirelessly answering the telephone.
Owner:杨仕桐

Aortic-arch-with-branch covered stent blood vessel combined device

The present invention discloses an aortic-arch-with-branch covered stent blood vessel combined device. The aortic-arch-with-branch covered stent blood vessel combined device comprises three artificialblood vessel components: (1) a segment of a U-shaped artificial aortic blood vessel with three branches, wherein the main blood vessel at a left part of the branch is internally provided with a stent; (2) small covered stent blood vessels; and (3) a straight cylindrical stent blood vessel with a segment of a bare stent and a segment of a covered stent. The blood vessel components can isolate aortic lesions involving aortic arch and ascending aorta, at the same time rebuild branch arterial blood flow, and can preserve normal blood vessel morphology to a greatest extent. The aortic-arch-with-branch covered stent blood vessel combined device is suitable for various common branch-shaped blood vessels and wide in application ranges, avoids custom stents, can be subjected to mass production, effectively reduces surgical trauma, and is easy in surgery operations.
Owner:黄健兵

Vertical obstetric table

The invention discloses a vertical obstetric table, belonging to a gynecology medical appliance. The vertical obstetric table comprises a table rest, a mattress and table legs, wherein the back of the table rest is provided with supporting posts; the table rest is backwardly inclined, has a radian and is fixedly connected with the mattress; one edge of the mattress is in an arc shape; the outer edge of the mattress is connected with auxiliary rods which are in the same plane with the mattress; the two auxiliary rods outwardly and obliquely stretch; and the mattress and the auxiliary rods are connected with the table legs. The invention is scientifically designed, meets human physiology, effectively protects safety of a mother and a son, lightening labor intensity of medical workers and is applied for being promoted and used in vast gynecology medical institutions.
Owner:霍学青

Wrist joint prosthesis

The invention discloses a wrist joint prosthesis which can be implanted within an injured wrist joint to replace the injured wrist joint. The wrist joint prosthesis includes a wrist joint intramedullary pin (1), wherein one end of the wrist joint intramedullary pin (1) is fixed on the metacarpal bone, and the other end thereof is connected with an interfacing (3); the interfacing (3) is provided with a spherical bulge (32); one end of a radius intramedullary pin (4) is fixed on the radius, and the other end thereof is provided with a spherical groove (41); the spherical groove (41) partially surrounds the bulge (32) of the interfacing (3); the interfacing (3) can rotate in the groove (41) through the bulge (32) and further movably rotate relative to the radius intramedullary pin (4); the radius intramedullary pin (4) can rotate relative to the wrist joint intramedullary pin (1) through the interfacing (3). With the wrist joint prosthesis provided by the invention, the bending, stretching, spreading, withdrawing and circumduction movements of the wrist joint are recovered, and the prosthesis conforms to the physiology of the wrist joint, so that the patient can move freely as usual; as the wrist joint prosthesis intramedullary pin is matched with the wrist joint interfacing, the wrist joint prosthesis has the characteristics of being safe and flexible, simple to mount, stable in structure and high in dislocation resistance.
Owner:BEIJING CHUNLIZHENGDA MEDICAL INSTR

Simple device for measuring collecting capacity of bees indoors and measuring method of simple device

The invention provides a simple device for measuring the collecting capacity of bees indoors and an evaluation method. The simple device comprises a box body, a honeycomb and a photographing device. An inlet is formed in the top face of the box body, a feeding hole is formed in the side wall of the box body, and a zipper is arranged on the front wall of the box body. The honeycomb is suspended in a cavity of the box body, and the photographing device is located above the feeding hole and fixed to the inner side wall of the box body. The simple device conforms to the physiological and living habits of the bees, and has the advantages of being easy to install and convenient to operate. The device can well simulate field collecting behaviors of the bees, and therefore the collecting capacity of the bees can be objectively and accurately evaluated.
Owner:BEE RES INST CHINESE ACAD OF AGRI SCI

Wrist joint prosthesis

The invention discloses a wrist joint prosthesis which is used for being implanted into a damaged wrist joint. The wrist joint prosthesis is characterized in that a wrist joint broach fixed to a part to be implanted is included, the top of the wrist joint broach is sleeved with wrist joint interfacing, and the wrist joint interfacing is spherical, is contained in a spherical groove in a wrist joint cotyla head and can rotate in the groove of the wrist joint cotyla head. By means of the wrist joint prosthesis, a limb can be protected, a wrist joint is recovered and can conduct the movements of bending, stretching, expanding, collecting and ring rotation, the physiology of the wrist joint is met, and a patient can freely move as before; the wrist joint prosthesis broach and the wrist joint interfacing are matched, and safety and flexibility are achieved. The wrist joint prosthesis has the advantages of being easy and convenient to install, stable in structure, high in dislocation resisting performance and the like.
Owner:BEIJING CHUNLIZHENGDA MEDICAL INSTR

Arc type nail for surgical binding instrument

The invention provides an arc-shaped nail which is used for a surgical binding instrument, including a nail crown and a nail foot, at least one part of the nail crown part or the nail foot part takes a shape of arc; the plane which is perpendicular to the direction of the nail foot is a reference plane, the included angle of the plane on the nail crown where the arc shape is arranged and the reference plane is 0 degree to 180 degrees; the radian of the arc shape on the nail crown is one sixth of Pi to Pi; and two or more arc shapes on the nail crown are connected to form a curve. When in specific surgical application, the arc-shaped nail is stored in a nail slot of a nail chamber of the binding instrument, when the tissues to be inoculated are in place, the firing is implemented by a firing mechanism of the binding instrument, the arc-shaped nails which are pre-stored in various nail slots of the interior of the nail chamber are divergent to the outside along the axial direction, so as to be matched with a nail forming slot to carry out the anastomosis of two tissues. The diameter of an anastomosis ring which is formed by the arc-shaped nail of the invention is bigger than that of the anastomosis ring which is formed by the linear nail, which is not only easy to remove the apparatus after the operation, but is more in line with the physiological shapes of tissues; furthermore, the invention can be conductive to postoperative healing and can improve surgical effect greatly.
Owner:TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO LTD

Size-adjustable variable-rigidity force feedback glove

The invention relates to a size-adjustable variable-rigidity force feedback glove which comprises a thumb mechanism assembly, a four-finger mechanism assembly and a base connecting assembly. The thumbmechanism assembly and the four-finger mechanism assembly are connected together through the base connecting assembly, each of the thumb mechanism assembly and the four-finger mechanism assembly comprises a base connecting unit, a variable stiffness unit, a free / constraint state switching unit and a fingertip connecting unit, and the switching between a free space state and a constraint space state can be realized. The variable-rigidity force feedback glove overcomes the defect that the existing force feedback equipment is lower in simulative rigidity, reduces the fatigue feeling of a user wearing the glove for a long time, better conforms to the physiological principle of the human hands, can adjust the size to adapt to the sizes of the hands of different users while ensuring light weight, and enhances the universality of the equipment.
Owner:BEIHANG UNIV

Covered stent type blood vessel combined kit for isolating aortic arch part and three branches

The invention discloses a covered stent type blood vessel combined kit for isolating an aortic arch part and three branches. The kit comprises two artificial blood vessel assemblies: (1) a section ofan artificial aorta blood vessel (1) with a main body having a stent and three branches is provided; wherein the main body of the artificial aorta blood vessel (1) is a section of straight cylindricalstent blood vessel, which consists of an outer vascular membrane (4) and an inner stent (5), a near end part blood vessel membrane (4a) of the outer vascular membrane (4) and a front end part (5a) ofthe inner stent (5) are integrally designed; middle and far end blood vessel membranes (4b and 4c) of the outer vascular membrane (4) and a rear end part (5b) (5b) of the inner stent (5) are separately designed, the rear end part (5b) of the inner stent (5) is a bare stent, the rear end part (5b) of the inner stent (5) can be released backwards, and three branch blood vessels (6a, 6b and 6c) arearranged; and (2) a section of branch blood vessel (2) with the stent; the blood vessel combined kit can isolate aortic lesions involving an aortic arch and an ascending aorta, can reconstruct branchartery blood flow, can retain normal blood vessel forms to the maximum extent, is suitable for various branch-shaped blood vessels, is wide in application range, avoids customized stents, can be produced in batches, effectively reduces wounds and is easy and convenient to operate.
Owner:黄健兵

Allergy-preventing elastic fixing clothes used after bromhidrosis operation

The invention discloses a piece of allergy-preventing elastic fixing clothes used after bromhidrosis operation. The allergy-preventing elastic fixing clothes is characterized by comprising a clothes body portion, upper arm portions and oxter portions, wherein the upper end of the clothes body portion is provided with a neckline, the lower end of the clothes body portion is provided with an opening, the oxter portions are provided with sterile gauze layers, the rear sides of the oxter portions are connected with the rear side of the clothes body portion and the rear sides of the upper arm portions, and the front sides of the oxter portions are detachably connected with the front side of the clothes body portion and the front sides of the upper arm portions. The allergy-preventing elastic fixing clothes used after bromhidrosis operation does not need adhesive plasters, can avoid cut exposure, effectively compress operation area and prevent sterile gauze from dropping or displacing.
Owner:钱升广

Novel aortic-arch vascular assembly with branch covered stents

The invention discloses a novel aortic-arch vascular assembly with branch covered stents. The novel aortic-arch vascular assembly with the branch covered stents comprises four artificial vascular components, including: firstly, a segment of artificial aortic vessel partially with a stent (1); secondly, small branch vessels (2); thirdly, segments of branch vessels with stents (3); and fourthly, a segment of a partially covered stent blood vessel (4). The stent is arranged inside a vessel at a proximal part (6) of the artificial aortic vessel (1); a distal part (7) of the artificial aortic vessel (1) is a pure vascular membrane, namely a pure vascular membrane part (7); a proximal section (7a) of the pure vascular membrane part (7) is used for coinciding with three branch vessels; a proximalpart (4a) of the partially covered stent blood vessel (4) is a bare stent; and a distal part (4b) of the partially covered stent blood vessel (4) is a covered stent blood vessel. Being used, the novel aortic-arch vascular assembly with the branch covered stents is capable of isolating aortic lesions involving the aortic arch and the ascending aorta, as well as reconstructing branch artery blood flow and maintaining normal vascular morphology to the maximum extent; and thus, the aortic-arch vascular assembly is suitable for various vessels with deformed branches, including vessels with relatively great branch deformation. Therefore, the novel aortic-arch vascular assembly with the branch covered stents is wide in range of applications and capable of avoiding stent customization, so that mass production is enabled; and moreover, the novel aortic-arch vascular assembly with the branch covered stents is capable of effectively reducing wounds and easy to operate.
Owner:黄健兵

Pneumatic imitated rattan sitting deck chair

The invention discloses a pneumatic imitation rattan seat reclining chair, which comprises a chair frame, a seat surface and a backrest. The chair frame, the seat surface and the backrest are wrapped with imitation rattan; The backrest is vertically placed at the rear end of the seat surface, and the lower part is hinged between the two side walls of the chair frame; there is a pull-type lockable angle adjuster arranged in the front and rear directions under the seat surface; one end of the pull-type lockable angle adjuster is fixedly connected At the front end of the chair frame, the other end is movably hinged with the lowermost end of the backrest. When the wrench switch assembly is pulled, the backrest can be pulled to rotate through the pull-wire type lockable angle adjuster. The invention can adjust the angle of the backrest arbitrarily according to needs, and keep the best comfort.
Owner:江苏东顺新材料科技有限公司

Endotracheal intubation tool

An endotracheal intubation tool includes a guide cannula. A conical sleeve port is formed in one end of the guide cannula. A guide wire handle is arranged in the guide cannula. A remaining needle cannula is connected with the conical sleeve port. A flexible guide wire is connected to the guide wire handle. The guide wire handle is pushed to enable the guide wire to penetrate through the remaining needle cannula, the remaining needle cannula is slightly connected with the front end of the guide cannula, and the guide cannula is held by the right hand. When the glottis is opened, the guide wire is quickly inserted into the trachea, the guide cannula enters the trachea along the guide wire via the glottis, and the guide wire is withdrawn after the guide cannula enters the trachea. The endotracheal intubation tool is simple in structure, easy and convenient to operate, high in success rate and good in repeatability.
Owner:樊林

Portable one-line comprehensive rescue apparatus

The invention relates to a portable front-line integrated rescue device, which belongs to the medical rescue field. The invention discloses a hollow cylindrical secondary pump, which is connected with a main pump, an inlet connecting tube is arranged at the upper part of the secondary pump, a secondary one-way flapper is sleeved at the lower end of the inlet connecting tube, an outlet connecting tube is arranged at the lower part of the secondary pump, the main pump and the secondary pump are connected through an outlet connecting tube at the lower part of the main pump being connected with the inlet connecting tube of the secondary pump, the series pump body composed of the main pump and the secondary pump and a bag body with the flapper function are connected through the inlet connecting tube of the main pump being connected with a bag body or the outlet connecting tube of the secondary pump being connected with the bag body, and more than one connecting tube with one end being inserted into the bag body is arranged on the bag body. The portable front-line integrated rescue device has the advantages that the volume is small, the weight is light, the structure is simple, the operation is convenient, stable positive pressure and negative pressure with enough strength can be produced, the function of reducing tissue and blood injury which conforms the physiological requirements can be provided, the device can be freely assembled to realize the interchanging and the interaction of the multi-rescue functions, and the device is particularly applied to the integrated rescue in all disaster sites or wars.
Owner:中国人民解放军广州疗养院

Prosthesis retaining sclerotin of greater and lesser trochanters

The invention provides a prosthesis retaining sclerotin of greater and lesser trochanters. The prosthesis comprises a femur cone, a femur neck, a shoulder part and an anti-rotation part which are connected in sequence, the femur cone is used for being in taper fit with a femur ball head, and the anti-rotation part is used for being connected with an osteotomy section. The prosthesis has the advantages that the sclerotin of the greater and lesser trochanters can be effectively reserved, the stability of prosthesis implantation is enhanced, the structure is light in weight, and the postoperative experience of a patient is enhanced.
Owner:河北春立航诺新材料科技有限公司

Arc type nail for surgical binding instrument

The invention provides an arc-shaped nail which is used for a surgical binding instrument, including a nail crown and a nail foot, at least one part of the nail crown part or the nail foot part takes a shape of arc; the plane which is perpendicular to the direction of the nail foot is a reference plane, the included angle of the plane on the nail crown where the arc shape is arranged and the reference plane is 0 degree to 180 degrees; the radian of the arc shape on the nail crown is one sixth of Pi to Pi; and two or more arc shapes on the nail crown are connected to form a curve. When in specific surgical application, the arc-shaped nail is stored in a nail slot of a nail chamber of the binding instrument, when the tissues to be inoculated are in place, the firing is implemented by a firing mechanism of the binding instrument, the arc-shaped nails which are pre-stored in various nail slots of the interior of the nail chamber are divergent to the outside along the axial direction, so as to be matched with a nail forming slot to carry out the anastomosis of two tissues. The diameter of an anastomosis ring which is formed by the arc-shaped nail of the invention is bigger than that of the anastomosis ring which is formed by the linear nail, which is not only easy to remove the apparatus after the operation, but is more in line with the physiological shapes of tissues; furthermore, the invention can be conductive to postoperative healing and can improve surgical effect greatly.
Owner:TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO LTD

Preparation method of low-pungency antioxidant ginger essential oil byproduct beverage

The invention provides a preparation method of a low-pungency antioxidant ginger essential oil byproduct beverage, belongs to the technical field of recycling of ginger essential oil byproducts, and particularly comprises the following steps: controlling the pH value of the ginger essential oil byproducts to be 5.0-6.5, adding 3-10% of high fructose corn syrup into the ginger essential oil byproducts according to a mass ratio, completely dissolving, and carrying out heat treatment; and cooling, adding 1.5-4% of lactobacillus acidophilus liquid according to the volume ratio, and carrying out sealed fermentation for 14-24 hours to obtain the low-peppery-flavor antioxidant ginger essential oil byproduct beverage. Firstly, the added substances do not have oxidation resistance, lactobacillus acidophilus is adopted for fermentation after mixing, after fermentation is completed, the spicy flavor in the ginger can be remarkably reduced, the oxidation resistance of ginger essential oil byproducts is remarkably improved, and the prepared beverage is sour, sweet and delicious and has good health-care and nutritional effects.
Owner:INST AGRO PROD PROCESSING ANHUI ACADEMY AGRI SCI

Preparation method for tissue engineering nerves of compound seed cells

InactiveCN103446628BRetain structural advantagesReduced effects of axon regenerationSkeletal/connective tissue cellsProsthesisCell-Extracellular MatrixPeripheral neuron
The invention discloses a preparation method for tissue engineering nerves of mesenchymal stem cells induced by compound nerves. The preparation method for tissue engineering nerves of mesenchymal stem cells induced by compound nerves comprises the steps of extracting nerves with an improved enzyme-hypotension-chemical detergent in a trigeminy manner based on a Sondell preparation method, constructing tissue engineering peripheral nerves with biological activity in vitro, and then compounding mesenchymal stem cells which are subjected to in-vitro cultivation, amplification and neuronal differentiation induction. According to the preparation method provided by the invention, the destructive effect caused by an existing acceptable chemical preparation method, namely the Sondell method, on a nerve basal membrane tube and an extracellular matrix structure to a certain extent is overcome; the influence on axonal regeneration is alleviated. The tissue engineering nerves of the mesenchymal stem cells induced by the compound nerves, which are prepared by the method disclosed by the invention, can be applied to the preparation of nerve grafts and have good effects in restoring peripheral nerve defect.
Owner:居李生物科技(北京)有限公司

Portable one-line comprehensive rescue apparatus

InactiveCN101337094BLittle blood damageReduce volumeSuction devicesPositive pressureEngineering
The invention relates to a portable front-line integrated rescue device, which belongs to the medical rescue field. The invention discloses a hollow cylindrical secondary pump, which is connected with a main pump, an inlet connecting tube is arranged at the upper part of the secondary pump, a secondary one-way flapper is sleeved at the lower end of the inlet connecting tube, an outlet connecting tube is arranged at the lower part of the secondary pump, the main pump and the secondary pump are connected through an outlet connecting tube at the lower part of the main pump being connected with the inlet connecting tube of the secondary pump, the series pump body composed of the main pump and the secondary pump and a bag body with the flapper function are connected through the inlet connecting tube of the main pump being connected with a bag body or the outlet connecting tube of the secondary pump being connected with the bag body, and more than one connecting tube with one end being inserted into the bag body is arranged on the bag body. The portable front-line integrated rescue device has the advantages that the volume is small, the weight is light, the structure is simple, the operation is convenient, stable positive pressure and negative pressure with enough strength can be produced, the function of reducing tissue and blood injury which conforms the physiological requirementscan be provided, the device can be freely assembled to realize the interchanging and the interaction of the multi-rescue functions, and the device is particularly applied to the integrated rescue in all disaster sites or wars.
Owner:中国人民解放军广州疗养院

Novel T-shape tube

The present invention relates to a new-type T-tube for drainage of surgical biliary tract operation. It is characterized by that on the main tube having 5 cm distance from T-shaped place of traditional T-tube a side tube whose outer diameter is 5 mm, inner diameter is 3 mm and length is 30 cm. Said side tube is used for inserting into upper part of the jejunum, and said side tube must be as fine as possible, but it must be smooth, and can not be blocked, and said side tube cn be easily drawn out, and can prevent enteric leakage.
Owner:孙培龙

Oyster peptide nourishment and preparation method thereof

The invention provides oyster peptide nourishment and a preparation method thereof. The main raw materials include oyster peptide, soybean protein powder, black bean powder, wheat germ powder and ginseng (artificially planted). The main preparation process is as follows: firstly, screening and fine-checking the raw materials, then carrying out low-temperature baking treatment, carrying out fine grinding on the baked raw materials, carrying out accurate compatibility according to a proportion, and finally performing automatic packaging by an automatic device. According to the invention, the carefully-selected raw materials are adopted, are baked at a low temperature, and are ground into a powder, so that the nutritional ingredients of the coarse cereals are protected from being damaged to the greatest extent. According to the theory of homology of medicine and food and the theory of traditional Chinese medicine, accurate compatibility is carried out, and the nourishment is prepared fromfoods for nourishing, performs comprehensive conditioning, can effectively improve serum testosterone level and enhance male sexual function, simultaneously has the double effects of regulating the physiological function of the organism and providing nutrients for the organism, has strong conditioning effect on the kidney, is prepared by blending a few raw materials, has double effects, has no toxic or side effect, and can be used for a long time.
Owner:山东御膳世家生物科技有限公司

Intraoperative freezing elephant trunk stent capable of realizing transesophageal ultrasound guided localization

PendingCN111658248APrecise positioningAvoid remote accessStentsOesophagiEsophageal ultrasoundFalse lumen
The invention relates to the field of a medical appliance, and particularly discloses an intraoperative freezing elephant trunk stent capable of realizing transesophageal ultrasound guided localization. The intraoperative freezing elephant trunk stent capable of realizing transesophageal ultrasound guided localization comprises an air guide tube and an air bag, wherein after passing through a holepassage of a stent body from top to bottom, the air guide tube communicates with an inner cavity of the air bag; and the air bag is of a flexible bag body structure and can be inflated to expand. Theguide-in and release of the stent body can be completed in an transesophageal ultrasound guided way; the hybrid operation is not needed; the popularization and the application are facilitated; in addition, the localization of the stent body is accurate; and the distal end of the stent body can be effectively prevented from entering the false lumen, so that the operation risk is reduced.
Owner:FUWAI HOSPITAL CHINESE ACAD OF MEDICAL SCI & PEKING UNION MEDICAL COLLEGE

Angle-variable distraction fusion cage

The invention relates to the technical field of medical instruments, in particular to a variable-angle distraction fusion cage. The angle-variable distraction fusion cage comprises a fusion cage main body, a fusion cage head, a screw, an upper cover plate and a lower cover plate. The screw crown of the screw is screwed through a tool, under the action of the limiting ring, the screw only rotates in the circumferential direction, the head of the fusion cage is pulled to move towards the front mounting block, under the limitation of the upper cover plate and the lower cover plate, the head of the fusion cage translates towards the front mounting block, and in the translation process, an upper cover plate head guide block and an upper cover plate head guide groove slide in a matched mode; the front end of the upper cover plate is lifted, meanwhile, the upper guide column slides along the transverse groove of the guide groove in the tail portion of the upper cover plate, the process is the angle changing process, then the upper guide column slides along the inclined groove of the guide groove in the tail portion of the upper cover plate, the upper cover plate is opened in parallel at an angle, and the opening process of the lower cover plate is similar. The variable angle of the front end better conforms to the physiological form of the lumbar intervertebral space, and the device can be easily implanted into the lesion intervertebral space.
Owner:SHANDONG WEIGAO ORTHOPEDIC DEVICE COMPANY

A new type of vascular assembly with branched stent-graft in the aortic arch

The invention discloses a novel stent-graft-type blood vessel assembly with branches in the aortic arch. It includes four artificial blood vessel components: ① A part of the artificial aortic vessel (1) with a stent, wherein the proximal part (6) of the artificial aortic vessel (1) has a stent in the blood vessel, and the distal part of the artificial aortic vessel (1) The end part (7) is a simple vascular membrane, and the proximal section (7a) of the simple vascular membrane part (7) is used to anastomose three branch vessels; ② a small branch vessel (2); ③ a branch vessel with a stent (3) ;④ A section of partly covered stent vessel (4), wherein the proximal part (4a) of the partly covered stent vessel (4) is a bare stent, and the distal part (4b) of the partly covered stent vessel (4) It is a covered stent vessel. The use of this vascular component can isolate aortic lesions involving the aortic arch and ascending aorta, and at the same time can rebuild the blood flow of branch arteries, and can preserve the normal vascular shape to the greatest extent. It is suitable for various branched vessels, including large branch variations. The blood vessel has a wide range of applications, avoids custom-made stents, can be mass-produced, effectively reduces trauma, and is easy to operate.
Owner:黄健兵

Heart model parameter identification method based on atrioventricular plane longitudinal displacement

PendingCN114092527AAccurate Kinetic CharacterizationPhysiologicallyImage enhancementImage analysisCardiologyComputational physics
A heart model parameter identification method based on atrioventricular plane longitudinal displacement comprises the steps that through a heart nuclear magnetic resonance image obtained clinically, key points of an atrioventricular plane are calibrated on the image, a tracking algorithm is used for tracking the key points to obtain atrioventricular plane displacement, then atrioventricular plane displacement parameters are input into a heart model, and important physiological parameters of the heart can be identified through a Kalman filter. According to the method, the problem that many abnormal values exist when segment software is adopted to track the key point positions of the atrioventricular plane can be solved, and the atrioventricular plane displacement curve better conforms to the physiological performance of the atrioventricular plane displacement curve by optimizing the detection mode; a new heart model is constructed, the dynamic characteristics of the heart can be described more accurately, the important physiological parameters of the heart are identified through the Kalman filter, the method is simple, and the identification accuracy is high.
Owner:XUZHOU NORMAL UNIVERSITY
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Eureka Blog
Learn More
PatSnap group products