474results about How to "Effective occlusion" patented technology

The invention provides intrafallopian devices and non-surgical methods for their placement to prevent conception. The efficacy of the device is enhanced by forming the structure at least in part from copper or a copper alloy. The device is anchored within the fallopian tube by a lumen-traversing region of the resilient structure which has a helical outer surface, together with a portion of the resilient structure which is biased to form a bent secondary shape, the secondary shape having a larger cross-section than the fallopian tube. The resilient structure is restrained in a straight configuration and transcervically inserted within the fallopian tube, where it is released. Optionally, permanent sterilization is effected by passing a current through the resilient structure to the tubal walls.

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.

An intraluminar prosthesis which includes a tubular member having at least one end which is at an oblique angle to the lumen. The prosthesis is inserted into a body lumen, such as a blood vessel, while compressed. The prosthesis is expanded within the lumen, and the oblique end of the prosthesis contacts the lumen at an oblique angle. This oblique angle reduces the stenotic effects of hyperplasia which generally occurs at the ends of intraluminal prostheses.

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, a body member formed by at least one support member and a reactive material selectively applied to the at least one support member. The body member provide support mechanical support to a weakened or otherwise incompetent blood vessel. The reactive material is capable of restricting or occluding blood flow to the aneurysm, without substantially affecting blood flow through the blood vessel.

A dry powder inhaler (101) comprises an inhaler body (110), including an air passageway, and a medicament container (120). The medicament container (120) holds a dose of medicament and is provided with at least one dispensing aperture (123) through which the medicament may be drawn from the medicament container (120). The medicament container (120) is displaceable from a first position, in which the dispensing aperture (123) is occluded, to a second position, in which the dispensing aperture (123) is open and air is able to flow along the air passageway. When the medicament container (120) is in the first position, the air passageway is occluded by the medicament container (120).

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 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 catheter includes a first plurality of expandable leads and a second plurality of expandable leads separate and longitudinally spaced-apart from the first plurality to deliver energy to a hollow anatomical structure, such as vein, fallopian tube, hemorrhoid, esophageal varix, to effectively ligate that structure. Each of the leads includes an electrode located at the distal end of the respective electrode lead. Polarizations of the leads may be selected to achieve the power distribution desired. Each electrode lead includes an outward bend such that when a movable sheath is moved out of contact with the leads, they expand outwardly into apposition with an inner wall of the structure to be ligated. High frequency energy can be applied from the leads to create a heating effect in the surrounding tissue of the anatomical structure. The diameter of the hollow anatomical structure is reduced by the heating effect, and the electrodes are freely moved inward by the shrinking structure while still maintaining apposition with the inner wall of the shrinking structure.

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 invention discloses a metallic oxide thin film transistor and a manufacturing method of the metallic oxide thin film transistor. The metallic oxide thin film transistor comprises a substrate, a grid electrode, a grid electrode insulating layer, a metal semiconductor oxide layer, a source electrode / drain electrode conducting layer and an interlayer insulating layer, wherein the grid electrode, the grid electrode insulating layer, the metal semiconductor oxide layer, the source electrode / drain electrode conducting layer and the interlayer insulating layer are arranged in sequence far away from the substrate. The interlayer insulating layer is filled into a clearance between the source electrode conducting layer and the drain electrode conducting layer to from a channel layer. A positive electrode conducting layer and an upper conducting grid electrode are formed on the upper surface of the interlayer insulating layer. The upper grid electrode completely covers the channel layer, and the luminous reflectance of the materials of the upper grid electrode is larger than 85%. Due to the fact that the upper grid electrode with the luminous reflectance larger than 85% is arranged, external light rays can be effectively blocked, the situation that the external light rays affect the performance of the transistor is avoided, and the threshold voltage of the transistor is made to be maintained in a stable state. Due to the fact that conducting materials are adopted by the metallic oxide thin film transistor and can be used as grid electrodes, a double-grid structure is formed, and the double-grid structure enables the migration speed of the charge carrier of the transistor to be effectively improved.

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 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 discloses a light guide plate pouring gate cold-cutting machine for cutting step by step and a cold-cutting method thereof. The light guide plate pouring gate cold-cutting machine comprises a stander, wherein a first cutting device and a second cutting device are arranged on the stander; a first vacuum positioning jig is arranged below the first cutting device; a second vacuum positioning jig is arranged below the second cutting device; a supporting table keeping clearances from the first vacuum positioning jig and the second vacuum positioning jig is arranged between the first vacuum positioning jig and the second vacuum positioning jig; in a normal state, the supporting table, the first vacuum positioning jig and the second vacuum positioning jig are combined into a placing trough for holding a workpiece to be processed, and the first vacuum positioning jig and / or the second vacuum positioning jig can move along the X-axial direction; the first vacuum positioning jig and the second vacuum positioning jig are arranged on a Y-axial moving mechanism. The light guide plate pouring gate cold-cutting machine can automatically position the workpiece to be processed and guarantee the precision of a cutting position; meanwhile, cutting step by step ensures the cutting quality; furthermore, the whole process is automatic, and the automation degree is high, so that the processing efficiency is greatly improved, and the labor cost of an enterprise is reduced.

The invention discloses a bathing bed for a bedridden patient, relates to the technical field of the medical appliance, and is designed in order to solve the problems that the bedridden patient is difficult to bath and go to the toilet currently. The bathing bed for the bedridden patient comprises a bathing bed body and a moveable heat preservation water tank which are separated from each other; the height of a bed frame of the bathing bed body is adjustable, and surrounding fences of the bed frame are detachable, so the bed frame can be adjusted to the same height as a hospital bed, and the fence of one side close to the hospital bed is detached, the patient is conveniently moved from the hospital bed to the bathing bed body, and a shower head connected with the moveable heat preservation water tank is used for washing the patient; the first side of a bed plate is provided with a lifting device, the second side is opened with a water discharging opening, the lifting device is used for adjusting the height of the first side of the bed plate relative to the second side, and the surrounding fences are cooperated, so that the water on the bed plate can smoothly flow to the second side, and be discharged from the water discharging opening, rather than overflowed to wet the ground; and the bathing bed is simple in structure, is convenient for the defecation of the bedridden patient, and is not easy to clamp.

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.