472results about How to "Effective occlusion" patented technology

The present invention is directed to aneurysm treatment devices which are capable of being delivered to the situs of a vascular aneurysm through a catheter. The treatment devices comprise, in general, an expandable stent having fenestrations and a reactive material selectively applied to not all of the fenestrations. The reactive material has a non-reacted state and a reacted state and the reactive material in the reacted state is capable of increasing the resistance to blood flow through said fenestrations.

The present invention relates to injectable compositions comprising biocompatible, swellable, substantially hydrophilic, non-toxic and substantially spherical polymeric material carriers which are capable of efficiently delivering bioactive therapeutic factor(s) physically linked to a transfection agent for use in embolization gene therapy. The present invention further relates to methods of embolization gene therapy, particularly for the treatment of angiogenic and non-angiogenic-dependent diseases, using the injectable compositions.

The invention provides a device and method for protecting privacy, and relates to the field of intelligent equipment. The device comprises a recognizing unit and a privacy protecting unit. The recognizing unit is used for judging whether people or cameras or shooting behaviors exist in the surroundings. The privacy protecting unit is used for reducing the light transmittance when people or the cameras or the shooting behaviors exist in the surroundings. According to the device and method for protecting the privacy, whether people or the cameras or the shooting behaviors exist in the surroundings or not is judged and whether privacy violating risks exist in the surroundings or not is judged, when the judging result shows that people or the cameras or the shooting behaviors exist in the surroundings, the privacy protecting unit is triggered to reduce the light transmittance, and a person to be protected is effectively sheltered so that the whole or part of the body of the person to be protected can be prevented from being seen or shot, and the effect of protecting the individual privacy of the person to be protected is improved.

The invention is directed to a uterine artery clamp and the relatively non-invasive treatment procedure utilizing this clamp. The uterine clamp includes a clamping member having a jaw with tissue-contacting surfaces for applying pressure to target tissue and a stabilizing member which is configured to be inserted into the patient's uterine cervical canal. The clamp may be provided with elongated handles to manually adjust the spacing between the jaw and stabilizer and thereby apply pressure to a uterine artery beneath a bundle of tissue held between the jaw and stabilizer. Uterine clamps embodying features of the invention by be used in procedures for treating uterine disorders such as fibroids, DUB, PPH and the like.

The invention relates to a vomitus collecting device, in particular to a vomitus collecting device capable of preventing odor for a gastroenterology department. The vomitus collecting device capable of preventing odor for the gastroenterology department is convenient to use, can collect vomituses of a patient, can shield the collected vomituses and facilitates recovery of the patient. In order to solve the technical problem, the vomitus collecting device capable of preventing odor for the gastroenterology department comprises a box and the like, wherein a lifting device is arranged in the middle of the inner bottom of the box; a collecting device is arranged in the box and is positioned on the outer side of the lifting device; a collecting component of the collecting device is connected with a lifting component of the lifting device; and a through hole is transversely formed in the middle of the top of the box. The vomitus collecting device capable of preventing odor for the gastroenterology department is convenient to use, can collect the vomituses of the patient, can shield the collected vomituses to stop odor from spreading, and facilitates recovery of the patient.

A vascular cannula assembly has a cannula, a tube dilator, a supporting helix and an inflatable cuff. The cannula has a distal end, a proximal end, a passage and a drainage segment. The drainage segment has multiple draining apertures communicating with the passage. A valve mounted on the distal end of the cannula can prevent air from entering the cannula. The tube dilator is selectively mounted in the passage and has a leading end and a handling end respectively protruding from the distal end and proximal end of the cannula. The supporting helix is mounted in the passage against the cannula. The inflatable cuff is mounted around the cannula between the distal end and the drainage segment. The side tubing is connected to the inflatable cuff. Since the inflatable cuff can be inflated to occlude blood draining from vena cava, use of the vascular cannula assembly can prevent injuries by snaring or looping of vessels during surgical procedures for cardiopulmonary bypass.

The invention provides an OLED monitor and a packaging method thereof. The OLED monitor comprises a substrate and a rear cover which are mutually jointed; the substrate and the rear cover are provided with circular jointed areas; the substrate is provided with a first lug which is arranged in the jointed area along a circular shape and towards the rear cover, and the rear cover is provided with a second lug which is arranged in the jointed area along the circular shape and towards the substrate; the first lug and the second lug are mutually staggered or correspond to each other; and the jointed areas of the substrate and the rear cover are sealed through sealant. The lugs, which are arranged on the substrate and the rear cover, are staggered or correspond to each other, can effectively shade the vapor, oxygen and the like outside the monitor, greatly reduce the vapor, oxygen and the like which invade into the monitor so as to protect the monitor without drier, reduce the impact of vapor and the like to the service life and the like of the monitor, reduce the weight of the monitor and reduce the thickness of the monitor.

A portable pneumatic abdominal aortic tourniquet for occlusion of the abdominal descending aorta to restrict blood supply to a non-compressible arterial hemorrhage in or below the inguinal region is presented. The tourniquet includes an adjustable waist strap for securing it around the abdomen of a patient and a windlass rod connected to the waist strap to selectively tighten the strap as needed to tightly secure it to patient. A directed air bladder is mounted to the waist strap having a generally “V” shaped construction and is expanded for exerting directed pressure against the abdomen. Upon inflation of the air bladder and adjustment of the windlass, occlusion or restriction of blood flow through the abdominal descending aorta will occur which will achieve cessation of hemorrhage in or below the inguinal area or achieve other therapeutic effects like elevated blood pressure to enhance CPR or blood flow control to the lower extremities.

The invention discloses a multifunctional fiber with moisture absorption and perspiration, antibacterial and heating functions and a preparation method of the multifunctional fiber and belongs to the technical field of functional fiber materials. The multifunctional fiber disclosed by the invention comprises a multifunctional fiber body; the multifunctional fiber body is composed of a fiber skin layer and a fiber core layer; the section shape of the fiber body is of an abnormal structure that a plurality of convex abnormal-shape structures are uniformly and outward formed on the round circumference; the fiber skin layer is formed by bundling bacterium-inhibiting fiber monofilaments together in parallel; the fiber core layer is formed by bundling heating fiber monofilaments together in parallel. The fiber with moisture absorption and perspiration, antibacterial and heating functions is prepared through a melting spinning technology and can be used for the field of smart clothing.

The invention discloses a head-up display optical device comprising a display unit, a reflector, a polarization beam splitter, a wave plate, a beam combiner, and a windshield. The display unit is used to provide first light, and the reflector is disposed on the transmission path of the first light, and is used to reflect the first light to second light. The polarization beam splitter is disposed on the transmission path of the second light, and the second light passes through the polarization beam splitter. The wave plate is disposed on the transmission path of the second light, and is used to receive the second light of the polarization beam splitter, and the second light passes through the wave plate. The beam combiner is disposed on the transmission path of the second light, and is used to reflect the second light passing through the wave plate, and is used to emit third light to the wave plate. The third light passes through the wave plate, and is project toward the polarization beam splitter, and the polarization beam splitter is used to reflect the third light. The windshield is disposed on the transmission path of the third light reflected by the polarization beam splitter, and the third light is reflected by the polarization beam splitter to eyes of a user.

The invention discloses a moving target detection and tracking method based on an embedded system. The method comprises the steps that first, pixel-level and frame-level secondary analysis is performed, and a background model is updated; background subtraction is used, and then morphological filtering is adopted to obtain a moving foreground; if multiple moving objects are available through judgment, and a tracking target is selected manually; samples are selected according to particle weights at the previous moment, and the number of selected particles with large weights is greater than the number of selected particles with small weights; a particle set is propagated through a dynamic model; an MS is utilized to optimize part of the particles, then similarity is judged, and if the MS is more approximate to a target model, the optimized particles are merged with standard sampled particles; color features and movement features are adopted to observe the similarity between a target possible state and a target real state represented by each particle; and whether model update needs to be performed is judged according to the judgment of whether a similarity coefficient between average state output of the particles and the target model is greater than a threshold value. Through the method, sampling efficiency is greatly improved, and the method is suitable for real-time tracking on the embedded system.

The present invention provides compositions comprising an anti-angiogenic factor, and a polymeric carrier. Representative examples of anti-angiogenic factors include Anti-Invasive Factor, Retinoic acids and derivatives thereof, and taxol. Also provided are methods for embolizing blood vessels, and eliminating biliary, urethral, esophageal, and tracheal/bronchial obstructions.

The present invention provides compositions comprising an anti-angiogenic factor, and a polymeric carrier. Representative examples of anti-angiogenic factors include Anti-Invasive Factor, Retinoic acids and derivatives thereof, and taxol. Also provided are methods for embolizing blood vessels, and eliminating biliamy, urethral, esophageal, and tracheal/bronchial obstructions.

The invention discloses a porous glass plate and structures adopting the porous glass plate, which adopt the technical scheme that: the porous glass plate is provided with pores, the pores are perforated in a thickness direction and are in regular or irregular distribution in a plane direction, the opening ratio is more than or equal to 0.5 percent and is less than or equal to 60 percent, and thepores are circular or in any shape; and the structures adopting the porous glass plate comprise building and structure windows adopting the porous glass plate, vehicle windows adopting the porous glass plate, enclosures adopting the porous glass plate, sound barriers adopting the porous glass plate, totally enclosed structures of traffic passages adopting the porous glass plate, and paravents adopting the porous glass plate. The porous glass plate has the advantages of having air permeability and being favorable for the ventilation, having the sound-absorbing effect of a perforated plate and amicroperforated plate and certain sound insulation effect, having the effects of keeping out the wind and reducing the wind pressure, and having the rainproof and antitheft effects. The porous glassplate is applicable to windows or glass curtain walls of buildings and structures, vehicle windows, enclosures, sound barriers, enclosed structures of traffic passages and paravents.

The invention discloses a traditional Chinese herbal medicine crushing and mixing device for medical use. The traditional Chinese herbal medicine crushing and mixing device for medical use comprises an eccentric wheel; a multi-edge hole is formed in the circle center position of the eccentric wheel; a stepped motor is fixed on the upper surface of the eccentric wheel; an output shaft is arranged at the lower end of the stepped motor; the output shaft is inserted into the multi-edge hole; a female nut hole is formed in the eccentric position of an eccentric shaft; a screw rod is fixed in the female nut hole; the lower end of the screw rod extends out of the female nut hole; a mall screw sleeve is fixed at the lower end of the screw rod; the lower end of the small screw sleeve is connected with a small ball-head screw rod; the lower end of the small ball-head screw rod is connected with a big screw sleeve; the lower part of the big screw sleeve is connected with a big ball-head screw rod; a semispherical bowl is arranged below the big ball-head screw rod; a gland is arranged on the upper surface of the semispherical bowl; a cuboidal pedestal is fixed at the lower end of the semispherical bowl. The traditional Chinese herbal medicine crushing and mixing device for medical use can flexibly change the grinding thickness of the traditional Chinese herbal medicines, realizes automation of the grinding process and effectively avoids leakage of the traditional Chinese herbal medicines.

The present invention provides compositions comprising an anti-angiogenic factor, and a polymeric carrier. Representative examples of anti-angiogenic factors include Anti-Invasive Factor, Retinoic acids and derivatives thereof, and taxol. Also provided are methods for embolizing blood vessels, and eliminating biliary, urethral, esophageal, and tracheal/bronchial obstructions.

The black matrix includes at least two identical stacked anti reflection layers. Each anti-reflection layer includes first film and second film having different refractive indexes. The said first film and second film are stacked. The black matrix and color filter and liquid crystal display device utilizing the black matrix possess higher optical performances.

The invention provides a detachable and telescopic lift car kickplate and a high-reliability bottomless pit elevator. The detachable and telescopic lift car kickplate comprises a fixed kickplate body and a movable kickplate body. The movable kickplate body is movably connected with the fixed kickplate body and stretches out of the lower side of the fixed kickplate body or swings to the lower portion of the fixed kickplate body. The problem that an existing bottomless pit elevator is poor in safety in the running process is solved. According to the detachable and telescopic lift car kickplate and the high-reliability bottomless pit elevator, the structure that the movable kickplate body is arranged on the lower portion of the original fixed kickplate body is adopted, the actual cover range of the kickplate is expanded, and the safety of the bottomless pit elevator during using is improved; meanwhile, the movable kickplate body on the lower portion can be folded or drawn back, therefore, the integral structure of the bottomless pit elevator is compact, the safety of the bottomless pit elevator is improved, and the using cost, the maintenance cost and the running cost are reduced.

The invention relates to an automatic filling chopping machine, and belongs to the technical field of food processing. The automatic filling chopping machine is realized through a method comprising the following steps of firstly, loading fillings on a chopping plate; assembling a surrounding plate and spray proof slopes; placing the assembled surrounding plate and the assembled spray proof slopeson a rotating disk; and performing plugging and turning on a motor to uniformly chop the loaded fillings. Through the adoption of the automatic filling chopping machine disclosed by the invention, passive stirring and passive overturning are realized; in the process of chopping operation, the fillings naturally move to the periphery of the chopping plate; under the blocking effect of the surrounding plate and the spray proof slopes arranged outside the chopping plate, stirring and overturning are performed, so that splashed fillings can be effectively sheltered, the situation that the fillingsare splashed everywhere is avoided, the alternate continuous reciprocating chopping of a left chopping knife and a right chopping knife and the rotating filling mixing of the chopping plate are realized, and manual operation is replaced to automatically complete the operations of filling chopping and filling overturning. According to the automatic filling chopping machine disclosed by the invention, automatic filling chopping can be completed according to the requirements of people; the manner of the automatic filling chopping machine, namely the manner of simulating manual filling chopping is adopted, so that the primary juice and the primary odor of meat and vegetables are maintained; and complex operation of manual filling chopping is replaced, so that time is saved, people can conveniently enjoy dainty; and after entering the market, the automatic filling chopping machine can have good social benefits and good market prospects.