50results about How to "Prevent re-adhesion" patented technology

A cleaning device used for removing toner particles remaining on an image bearing member, including a plurality of brush rollers capable of coming into contact with the image bearing member, the brush rollers being disposed around the image bearing member in a row in a direction in which the image bearing member is moved, wherein one of the brush rollers includes brush fibers each containing a conductive agent dispersed homogeneously therein or only in its surface layer, wherein another brush roller includes oblique brush fibers, looped brush fibers, or both of them, each brush fiber containing the conductive agent localized in a center portion thereof without being dispersed in its surface layer, and wherein the oblique brush fibers are obliquely provided in the another brush roller so that tip portions thereof are curled on the image bearing member in a direction in which the image bearing member is moved.

The invention provides a medicinal stent-graft for preventing and treating intrauterine adhesion. The stent provided by the invention is a uterus-shaped mesh basket weaved by nickel-titanium alloy wires, wherein the mesh basket is coated by a biocompatible film, a sustained-release medicine-loading layer is sprayed outside the film, and the medicament comprises estrogen and progesterone. The medicinal film coated uterus-shaped mesh basket is placed in uterine cavity through a conduit conveyer to release; the mesh basket with the film is retracted in the conduit of the conduit conveyer in advance; a push rod is arranged at the end close to the conduit; and after the conduit conveyer is fed into the uterine cavity, the push rod does not move, an outer sleeve is withdrawn, the mesh basket with the film is gradually released, and the mesh basket automatically extends to be closely adhered to the uterine cavity, so that direct contact of endometria is isolated to achieve the purpose of preventing and treating the intrauterine adhesion. The medicinal stent-graft for preventing and treating the intrauterine adhesion has the advantage of wide application prospect.

A laser emitter arranged to face a plastic substrate makes relative movement along a surface of the plastic substrate, while it is emitting a laser, so as to laser-cut the plastic substrate. In this process, a shield member is arranged outside a laser irradiation region on the plastic substrate.

The invention discloses half-wet method slag processing system and method, wherein the half-wet method slag processing system comprises a slag storage bin, a high-pressure atomizing nozzle and a crushing device with high-speed revolution, wherein the upper part of the slag storage bin is provided with a high-temperature liquid slag inlet which is connected with a slag outlet of a blast furnace; the high-pressure atomizing nozzle and the crushing device are arranged in the slag storage bin and positioned below the high-temperature liquid slag inlet; the high-pressure atomizing nozzle sprays high-pressure aerial fog towards the crushing device to impact and cool the liquid slag of the blast furnace; and the crushing device is used to further mechanically crush and cool the slag and process the slag into materials for preparing cement. The invention overcomes the defects of the high use level and the waste of water resources, difficult heat energy recovery and the high cost of the reprocessing of slag secondary products in the traditional slag processing method.

The invention discloses a furnace slag crushing device, a crushing method and a semi-wet method furnace slag processing system. The crushing device comprises two crushing wheel groups which are arranged in a rotating way, are meshed with each other in a non-contact-type reversing way and have water spraying structure. By utilizing a water spraying mechanism to spray high pressure water out from a tooth surface to crush and cool furnace slag, thus preventing the furnace slag grains from being adhered again; the invention adopts the conception that a small quantity of water which is taken as cooling medium is combined with the mechanical crushing so as to improve the quality of byproducts of the furnace slag and the heat exchange efficiency.

The present invention is to provide a sputtering apparatus and a sputtering method, specifically, a magnetron sputtering apparatus having a magnetron electrode capable of generating plasma in a wide region near the surface of a target, and a sputtering method using the apparatus. Thereby, a magnetic field shape enabling to generate plasma in a wide region near the surface of a target is realized, the use efficiency of the target material is increased, and dusts and abnormal electric discharges may be prevented. Magnetic circuit 10 of a magnetron electrode is set as “magnetic circuit 10 in which center perpendicular magnet 101, inside parallel magnet 103, outside parallel magnet 104, and perimeter perpendicular magnet 102 are arranged” from the central part of target 2 toward the perimeter part, and inside parallel magnet 103 is brought close to target 2.

A semiconductor substrate cleaning method includes a first cleaning step of cleaning the surface of a semiconductor substrate with the use of a first brush and a second cleaning step of cleaning the surface of the semiconductor substrate with the use of a second brush after the first cleaning step. The second cleaning step is performed under a condition that suppresses recontamination of the surface of the semiconductor substrate in comparison with the first cleaning step.

There are provided an ultrasonic cleaning apparatus and an ultrasonic cleaning method capable of suppressing occurrence of damage on a substrate to be cleaned and capable of performing cleaning at a high cleaning level for highly precise substrates and the like used in an electronics industry. Occurrence of damage on the substrate to be cleaned is suppressed by holding an object to be cleaned so as to be positioned out of a region where perpendiculars extend from an oscillating surface of an ultrasonic transducer to a liquid surface (an ultrasonic-irradiated region) under and in the vicinity of the liquid surface of a cleaning solution, exciting a capillary wave on a surface of the cleaning solution by an ultrasonic wave, and separating particulate contamination of the object to be cleaned by an acoustic pressure generated by the capillary wave without irradiating the object to be cleaned directly with the ultrasonic wave.

The invention discloses an intrauterine adhesion prevention and cure device, which comprises an intrauterine-shaped ring and a film, wherein the intrauterine-shaped ring has elasticity; the shape and the size of the intrauterine-shaped ring are adaptive to the periphery of the inner wall of a uterus; the film is connected to the left inner side and the right inner side of the intrauterine-shaped ring; and the middle of the film is provided with an opening from the bottom to the lower section of the intrauterine-shaped ring. According to the intrauterine adhesion prevention and cure device, the intrauterine is prevented from adhering again, liquid convection in the intrauterine can be increased, and infection caused by unsmooth drainage is avoided. In addition, the intrauterine adhesion prevention and cure device also has the beneficial effects on saving raw materials, lowering manufacture cost and saving treatment cost for patients.

The invention discloses a laser processing method, comprising the following steps: materials to be processed are fixed in a container arranged on a working platform; liquid is injected into the container and the materials to be processed are soaked in the liquid, a laser processing head is soaked in the liquid, laser processing is carried out on the materials to be processed by the laser processing head under the liquid level of the liquid. In the invention, the laser processing head is placed in the liquid for laser processing, therefore, liquid level shake can not affect laser processing precision under water; due to the cooling effect of the liquid, heat affecting of the laser on the processing part is reduced during the laser processing, over-ablation of the laser on the materials is avoided; in addition, the materials can be prevented from being rebound during the cooling process after the materials are melted and the situation that materials can not be separated from each other is avoided; and as the liquid is taken as auxiliary medium of the laser processing, the removal extent of the material fragments is improved and good cutting effect is achieved.

The invention provides a means capable of effectively inactivating and removing allergen or a precursor thereof. The invention relates to an allergen-reducing agent containing water and a water-soluble polymer compound having units having hydroxy or carboxy groups wherein at least a part of hydrogen atoms of the hydroxy or carboxy groups are substituted by specific groups containing a polyether group.

The invention discloses an anti-intrauterine adhesion device made from polyethylene materials. The anti-intrauterine adhesion device is in a Y type. The anti-intrauterine adhesion device is composed of a wing, an isolating membrane, a handle and a tail fiber, and is provided with a placer. One end of the wing is connected with the handle of an intrauterine device, the tail end of the wing is in a pointless round shape, and a T-shaped clamping groove is formed in the inner side face of the wing. The handle is in a cylinder shape, one end of the handle is connected with the wing, a tail fiber hole is formed in the other end of the handle, and the tail fiber is fixed to the handle through the tail fiber hole. The isolating membrane is a sector-shaped soft silicon gel film, the two sides of the isolating membrane are fixed to the wing, the tail end of the isolating membrane is free, and the tail end of the wing is sleeved with sleeves arranged on the two sides of the tail end. During placing, the anti- intrauterine adhesion device is sleeved with a casing under pulling of the tail fiber, the wing in a closed state, the isolating membrane is in a foldable state, and after the device is pushed out of the casing through a pushing rod, the wing naturally spreads, and the isolating membrane naturally spreads to be laid flat inside the uterine cavity.

The invention discloses a micro-nano waveguide type laser needle device, which comprises an acupuncture needle and a laser input mechanism. The laser input mechanism comprises a laser light emitter and a transmission light path; a light guiding pore canal extending from a needlepoint to a needle handle is arranged in the acupuncture needle; the pore diameter of the light guiding pore canal is less than 50 micrometres; a light source port used for connecting with the transmission light path is arranged on the needle handle; the light source port communicates with the light guiding pore canal. The micro-nano waveguide type laser needle device transmits laser to the needlepoint of the acupuncture needle through the micro-nano type light guiding pore canal, and deeply penetrates into a human body by utilizing the inserting function of the acupuncture needle and realizes the irradiation effect on deep points; compared with the prior art, the acupuncture needle can work in a finer manner because optical fiber is not implanted in the light guiding pore canal, thereby not only being used for laser probing, but also realizing multiple functions such as common acupuncture, laser acupuncture, the adapting with electro-stimulation, etc.

A semiconductor cleaning device includes an external electrode opposed to a side surface of the semiconductor device; a base configured to allow arrangement of the semiconductor device, and having an opening positioned between the side surface of the semiconductor device in the arranged state and the external electrode, and located below the side surface of the semiconductor device; a frame having an electrically insulating property, being in contact with the external electrode, arranged on the base and opposed to the side surface of the semiconductor device; and suction means connected to the opening in the base and being capable of taking in the foreign matter through the opening. Thereby, the semiconductor cleaning device and a semiconductor cleaning method that can remove the foreign matter adhered to the side surface of the semiconductor device and can prevent re-adhesion of the removed foreign matter can be obtained.

The invention relates to the preparation of acellular amniotic membrane carrier combined autologous endometrial stem cells. The isolating culture of autologous endometrial stem cells, the preparationand preservation of acellular amniotic membrane carriers and the preparation of acellular amniotic membrane carrier combined autologous endometrial stem cells are specifically included. The disadvantages of the occurrence of mechanical separation of intrauterine adhesions of hysteroscopic surgery in patients with moderate to severe intrauterine adhesions, the placing of intrauterine devices or anti-adhesion materials after operations, the endometrial functional repair which cannot be realized by giving estrogen to promote endometrial growth after the operations and the easy occurrence of re-adhesion can be overcome. The acellular amniotic membrane carriers have good anti-adhesion abilities, biocompatibility, biodegradability and safety; and as the autologous endometrial stem cells are taken as the active ingredients which can treat severe endometrial injury, growth factors can be secreted to improve local microenvironment and immunoregulation, so that the repair of damaged endometriumcan be promoted, and endometrial thickness and local vascular density can be increased.

The invention discloses cleaning equipment capable of reducing the water pollution degree and used for agricultural product peanut processing. The cleaning equipment comprises a cleaning chamber body,a motor and a water pump. A left water pipe is mounted on the left side of the upper portion of the cleaning chamber body, a right water pipe is fixed to the right side of the upper portion of the cleaning chamber body, a feed chamber is mounted on the left side of the cleaning chamber body, a feed port is formed in the left side of the upper portion of the feed chamber, a rotary rod is mounted in the feed chamber, and a soil storage chamber is fixed to the bottom of the feed chamber. The cleaning equipment capable of reducing the water pollution degree and used for agricultural product peanut processing is provided with the feed chamber, the feeding chamber is inclined, a fixing frame in the feed chamber drives a vertical rod and a second brush to reciprocate left and right, due to the movement of the vertical rod and the second brush, the cleaning equipment can push and rub with peanuts in the feed chamber, soil on the outer sides of the peanuts can be removed, then the later cleaning efficiency can be improved, and the muddiness of cleaning water can also be reduced.

A method for producing a fluorine-containing polyimide film excelling in heat resistance, resistance to chemicals, water repellency, dielectric properties, electrical properties, and optical properties and a spin coater suitable for the method are to be provided. A method for the production of a fluorine-containing polyimide film which comprises forming a coating film of a fluorine-containing polyimide precursor in an atmosphere having a relative humidity thereof adjusted to a level of not more than 50 RH % and then subjecting the fluorine-containing polyimide precursor to heat treatment thereby forming a fluorine-containing polyimide film is provided. By adjusting the relative humidity in accordance with this method, the fluorine-containing polyimide precursor can be prevented from being decomposed by the absorption of moisture and consequently prevent effectively the fluorine-containing polyimide film from forming piriform spots and scratches. Further, by forming the coating film while keeping the coating film sprayed with a gas particularly during the course of spin coating thereby giving rise to a layer of air flow on the coating film, misty substances of the coating solution generated within the spin coater can be prevented from adhering again to the coating film and consequently ensure the production of a coating film of uniform quality. This formation of the layer of air flow can be facilitated by providing the spin coater with a lid and furnishing the lid with a gas feed port.

To provide a cleaning agent that can remove impurities such as metal polishing dust adhering to a semiconductor substrate without corroding metal and can prevent re-adhesion of the impurities.The semiconductor substrate cleaning agent of the present invention contains at least the following component (A) and component (B):Component (A): a water-soluble oligomer having a weight average molecular weight of not less than 100 and less than 10000; andComponent (B): water.It is preferable that the water-soluble oligomer is at least one compound selected from compounds represented by the following formulas (a-1) to (a-3).Ra1O—(C3H6O2)n—H  (a-1)Ra2O—(Ra3O)n′—H  (a-2)(Ra4)3-s—N—[(Ra5O)n″—H]s  (a-3)

The invention relates to a uterine cavity support. The uterine cavity support comprises a uterus-shaped ring of which the upper end can stretch into the uterine cavity and which is formed in the shapeof the inner wall of the uterine cavity, and a connecting ring formed in the shape of the periphery of the lower section of the uterus is arranged at the lower end of the uterus-shaped ring; the uterus-shaped ring is made of an elastic material, and the harness of the uterus-shaped ring is 50-70 HRC; thin film is arranged in both the inner ring of the uterus-shaped ring and the inner ring of theconnecting ring. The uterus-shaped ring of the uterine cavity support cannot harm the human body, the uterus-shaped ring, the connecting ring and the thin film can effectively prevent the front wall and the rear wall, the two side walls and the two side uterine corners of the uterine cavity and the lower section of the uterus from adhering to one another again; the hardness of the uterus-shaped ring can guarantee that the uterus-shaped ring can well pass through the cervix uteri, arrive at the uterine cavity and can be well attached to the periphery of the inner wall of the uterus, and a verygood supporting effect is achieved on the uterine cavity.

The invention provides a roller type heat cutting-off mechanism. The roller type heat cutting-off mechanism comprises feeding rollers, a feeding power device, discharging rollers and a discharging power device; the feeding rollers and the feeding power device are connected; the discharging rollers and the discharging power device are connected; heat cutting wires are arranged on the feeding roller; the discharging rollers are arranged in front of the feeding rollers; a first stack unit enters the feeding rollers and moves forwards to the discharging rollers under driving of the feeding rollers; after the first stack unit completely passes through the feeding rollers, the heat cutting wires cut off a membrane connected between two stack units; and the discharging rollers drive the first stack unit to be transported to a next station. The heat cutting wires are installed on the feeding rollers and embedded in the surfaces of the feeding rollers, the heat cutting wires can rotate with thefeeding rollers, and cutting off is finished while feeding is performed. The heat cutting wires are installed on the upper and lower feeding rollers, the cutting-off efficiency is high, and a multi-layer membrane structure can be cut off.

The invention discloses an intrauterine adhesion prevention and treatment device which comprises a uterus-shaped ring and a thin film. The uterus-shaped ring has elasticity, the shape and the size of the uterus-shaped ring adapt to the periphery of the inner wall of the uterus, circular holes are formed in the upper portion and the lower portion of the thin film respectively, the radius of the circular hole formed in the lower portion is small and is located in the center line position; the radius of the circular hole formed in the upper portion is large and is located at the left of the center line. According to the intrauterine adhesion prevention and treatment device, the intrauterine adhesion can be effectively prevented and treated; meanwhile, by means of asymmetrical circular hole design, the uterus-shaped ring placing mode is changed, placement of the uterus-shaped ring is easier and more convenient, and the requirement for the cervical relaxation degree is lowered. In addition, raw materials are saved to a certain extent, and the device is assisted in lowering the cost and the treatment cost of a patient.

The present invention discloses a fingernail / toenail care sponge for caring for fingernails / toenails that is aesthetically pleasing and that can perform quickly and correctly through simple operations.

The invention provides a detection control system for laser de-bonding. In a laser de-bonding process, a suction cup is adsorbed on the surface of a substrate, a laser beam sequentially penetrates through the suction cup and the substrate and then is focused on a bonding layer, and after the focus of the laser beam is controlled to be behind a unit area of a scanning part of the bonding layer, a lifting assembly pulls a suction cup upwards, so that the substrate and the wafer are separated at the position of the unit area, the stripping mode that laser de-bonding and suction cup pulling are carried out at the same time is adopted, the substrate and the wafer are prevented from being adhered again due to the fact that a bonding material in a molten state is cooled and solidified again, and therefore the stripping difficulty is reduced. And a semi-reflecting and semi-transmitting mirror, a detection light source, a beam splitting prism, a light spot detection assembly and an upper computer are arranged, so that laser spot position information and bonding layer heated condition information of a local area can be observed in real time, the upper computer can control a galvanometer system to adjust a scanning track and scanning time of a laser beam, and the laser de-bonding efficiency and effect are improved.

The invention discloses a preparation method of an antibacterial polyurethane material capable of promoting the growth of tissues. The preparation method comprises the following steps: 1) dripping 0.1-0.3% by weight of triethanolamine into a polytetramethylene glycol and butanediol solution, heating to 60-90 DEG C, reacting for 3-6 hours, and stopping heating; 2) dripping 0.1-10% by weight of estrogen and 0.1-10% by weight of antibacterial agent for 30-90 minutes while stirring continuously; 3) adding 1,4-butanediol, stirring continuously and further reacting for 4-6 hours; and 4) precipitating, filtering, washing with distilled water for 3-5 times, placing for 12-24 hours at 10-30 DEG C, performing vacuum drying for 24-72 hours at 50-70 DEG C and then performing compression molding. By adopting the preparation method, modification can be realized in the polymerization process of polyurethane, and the estrogen and the antibacterial agent form a release system in the polyurethane, so that the polyurethane has the functions of promoting the growth of tissue endomembrane and resisting bacteria.

The invention has an object to provide a foreign substance removing device that is capable of quickly and efficiently cleaning substrate surfaces regardless of the size thereof and preventing readhesion of once removed foreign substances as well as to provide a die bonder equipped with the same.The foreign substance removing device of the invention includes: a pickup device to which a dicing film carrying dies thereon is fixed; and a collet for picking up a die separated from the dicing film and placing the die on a substrate having an adhesive applied thereon, and operates to remove foreign substances on the substrate in preparation for application of the adhesive onto the substrate. The foreign substance removing device includes a cleaning nozzle integrating an air outlet orifice and an air inlet orifice.