1383results about How to "Improve treatment efficiency" patented technology

A multilayered ball sealer having a deformable layer. The multilayered ball sealer has an outer or intermediate layer that is deformable under pressure. In the former, the deformable layer may be water-soluble or hydrolysable. In the latter, the outer layer is a sheath that contains the deformable layer and adapts to its shape. A multilayered ball sealer may be used as a diversion agent by being suspended in a fluid injected into a wellbore and applying pressure to deform the shape of the intermediate layer such that the multilayered ball sealer adapts to the shape of a perforation opening on which the multilayered ball sealer has seated.

A method and device for local delivery of a water-insoluble therapeutic agent to the tissue of a normal or diseased body lumen is disclosed. An expandable structure of a medical disposable device, such as a balloon of a balloon catheter, is coated with a non-durable coating which comprises poly(HEMA) complexed with iodine and has a substantially water-insoluble therapeutic agent dispersed therein. The medical disposable device is inserted into a body lumen, and expanded to contact the non-durable coating against the body lumen and deliver the substantially water-insoluble therapeutic agent to the body lumen tissue.

A multistage activated sludge process involving a predation effect caused by microorganisms realizes further improvement in treatment efficiency and further decrease in the amount of excess sludge generated while a stable quality of the treated water is maintained. This process includes a first biological treatment process for treating BOD in organic wastewater at a high load to convert the BOD to dispersed bacteria, and a second biological treatment process for forming the converted dispersed bacteria into a floc and allowing microorganisms to coexist. The second biological treatment process is performed under a condition of pH 5 to 6. Alternatively, an excess sludge treatment process for decomposing at least a part of sludge in the second biological treatment process and/or sludge obtained by performing solid-liquid separation of sludge in the second biological treatment process under aerobic conditions, and returning the treated sludge to the first biological treatment process and/or the second biological treatment process is performed under a condition of pH 5 to 6.

A humerus implant has a stem, cup shaped body and a locking adapter. The cup shaped body is locked to the stem by a key-slot mechanism. The cup shaped body has a center portion and a plurality of flexible first sidewall segments and second sidewall segments, with gaps between neighbored sidewall segments. The first sidewall segments have a plurality of locking fins while the second sidewall segments having a plurality of recesses and holes. The locking adapter has means for fixing the locking adapter to the cup shaped body and a locking ring for locking the sidewall segments into their final positions.

Contaminated water, particularly, ballast water, blackwater, galley water, accommodation water, laundry water, fresh water and seawater, is disinfected by admixture of a highly reactive gas stream containing ions of oxygen and nitrogen, formed by exposure of air to short-wavelength ultraviolet radiation, and of chlorine, formed in situ by electrolysis of salt in the water. Solids removal can be accomplished by electrophoresis in the same unit employed for electrolysis to release chlorine, or in a separate unit. Heavy metals maybe removed by plating or sacrificing electrodes.

The present application provides a method for providing an orthodontic attachment. The method comprises: providing an initial tooth digital model representing the initial tooth state of a patient; providing a target tooth digital model representing the target tooth state after the orthodontic treatment of the initial tooth state; calculating the movement parameter of the specific tooth from the initial tooth state to the target tooth state; and according to the movement parameter, determining the addition position of the attachment on the specific tooth, such that the specific tooth can move to the target tooth state from the initial tooth state according to the desired movement after the attachment is wore on the specific tooth. The present invention further discloses a novel orthodontic attachment provided by the method, and an orthodontic device matched with the attachment.

The invention discloses a groove carrying-type coating decomposable drug eluting stent, which comprises a stent main body and a drug coating, wherein the outer surface of the stent main body is provided with a drug-borne groove, the drug coating is coated in the drug-borne groove, and the drug coating comprises a biological decomposable polymer and an active drug. The drug eluting stent not only solves the combination problem between the coating and the stent, and improves the validity and the safety of the drug stent in the operation and application process, but also solves the restenosis and the late thrombosis inside the stent.

The invention discloses an Internet online shared medical care platform and system. The Internet online shared medical care platform and system, based on cutting-edge technologies such as modern Internet, internet of things, mobile communication and computer software, can realize a novel shared medical treatment, rehabilitation, and health care diagnosis and treatment mode in which the online diagnosis and treatment of doctors and the home or remote online rehabilitation and treatment of patients can be realized, by integrating software and hardware such as mobile phone APPs, rehabilitation treatment instruments and integrating financial service such as mobile payment, and therefore, time for the patients to go to and come from hospitals and queue can be effectively decreased, and the treatment efficiency of the doctors can be effectively improved.

The invention discloses a proton therapy system based on a compact superconducting cyclotron. The proton therapy system includes a superconducting cyclotron system, an energy selection system and a beam transportation system, a fixed treatment room subsystem and a rotary frame treatment subsystem; the fixed energy proton beam led out by the superconducting cyclotron in the superconducting cyclotron system can be a continuously adjusting proton beam of 70-200MeV via the energy selection system, so that the longitudinal adjustment of the range during the proton therapy of tumors can be met; thebeam is transmitted to the fixed treatment room subsystem and the rotary frame treatment subsystem via the beam transportation system; the superconducting cyclotron system, the energy selection system, the beam transportation system and a treatment head are subjected to cooperative control to realize the transverse expansion of the proton beam, so that the intensity modulation treatment of the tumor can be completed. According to the invention, the innovation is good, the practicability is high, the beam intensity of the superconducting cyclotron is adjustable, and the intensity modulation treatment can be realized; and the system has an extremely important promotion effect on the accuracy, effectiveness and high efficiency of tumor treatment of a patient.

The present invention is one kind of nutrient reinforcing agent for artificial fry raising of marine animal, and relates to the recipe and preparation process of micro algae bait nutrient reinforcing agent. The microalgae bait nutrient reinforcing agent consists of several kinds of micro algae containing different nutritious components and has grain size of 5-20 microns. It contains great amount of DHA, ARA and natural astaxanthin, and can raise the immunity and survival rate of raised marine animal. It can meet the requirement of hatched fries of fishes, shrimps and shells in feed. For example, when the microalgae bait nutrient reinforcing agent is used in raising turbot, it can raise the survival rate and lower the albinism rate greatly.

A sewage treatment monitoring system is provided, which includes a sewage treatment system and a cloud monitoring platform. The sewage treatment system includes a plurality of sewage treatment units. A water level detector, an apparatus data detector and a water quality detector are disposed so as to monitor the water level data, the operation status data and the water quality data of the sewage treatment unit. The real time monitoring data are uploaded to a database of the cloud monitoring platform. The real time monitoring data are compared to the threshold value of water level, the exceptional conditions of the apparatus and the continuous water quality monitoring data stored in a wisdom database, so as to determine whether an abnormality occurs in the sewage treatment system. An abnormal message is sent to the operator to conduct the appropriate treatment or adjustment.

The invention provides a portable travelling suspended-moxibustion and pecking-moxibustion device with functions of smoke exhaust and automatic height adjustment, and belongs to the technical field of medical appliances and devices. When moxibustion is used for treating diseases, medical staff holds a lighted moxa cone to perform moxibustion on a corresponding acupoint or perform moxibustion on a plurality of acupoints along main and collateral channels for a period, the operation process wastes time and labor, and the treatment efficiency is low; and the indoor environment is easily polluted by massive smoke generated by combustion of moxa cones when a plurality of patients are treated in a sickroom, so that the health of patients and medical staff are disadvantaged. The device is characterized in that a support (13) is fixed on a rack insert tube (5); a low-speed motor (14) with a gear (12) is fixed on the support (13); the gear (12) is engaged with a lifting rack (6) with a chute. The portable travelling suspended-moxibustion and pecking-moxibustion device has the advantages of time and labor saving in moxibustion treatment and no environmental pollution which is disadvantaged to health of patients and medical staff.

The invention provides a method for reducing artifacts in an image in real time. The method includes the following steps: collecting a reference image: moving an ultrasonic probe located on a treatment position to a position where the reference image can be obtained, collecting an image of a nidus on the reference image position, and using the collected image of the nidus as the reference image, wherein the reference position is one position which enables a portion of the image collected by the ultrasonic probe, which is corresponding to a treatment target section, to have few artifacts or no artifact; collecting a treatment image: moving the ultrasonic probe from the reference position back to the treatment position, and collecting a current treatment image of the nidus; and registering and fusing images: registering and fusing the collected treatment image and the reference image, and outputting an image after fusion which is an actual treatment image. Correspondingly, the invention provides a device for reducing the artifacts in the image in real time. The method and the device for reducing the artifacts in the image in real time can improve location accuracy of the ultrasonic probe to the treatment target section, and accordingly improve treatment efficiency and treatment effects of an operation guided by ultrasound.

The invention relates to a preparation method for an iron sucrose bulk drug. The method comprises the following steps: (1) crystallization: the pH value of sucrose solution is adjusted to 1-4 with acetic acid, iron salt solution is added to the sucrose solution to form mixed liquor, the pH value of the mixed liquor is adjusted to 1-3 with Na2CO3 solution, then the mixed liquor is stirred and is continued to be added with the Na2CO3 solution until turbidity appears in the mixed liquor, the pH value of the mixed liquor is adjusted to 4-7, and then the mixed liquor is filtered and added with water to obtain iron cake solution; (2) complexing: the sucrose solution is heated and added with alkaline liquor for alkalization, and then the alkalized sucrose solution is added with the iron cake solution and stands for the night to obtain complexing solution; and (3) refining: the complexing solution after standing for the night is filtered, and the filtrate precipitates with 2-3 times of 95 percent of ethanol and is filtered to obtain the iron sucrose bulk drug. The invention has the advantages of simple process steps, easy control of the reaction processes, good product quality, high yieldand lower production cost and is a high-novelty preparation method for the iron sucrose bulk drug and the injection thereof.

The present invention discloses an AI (artificial intelligence)-based eye health assessment method and belongs to the artificial intelligence medical detection technical field. The method includes thefollowing steps that: a plurality of fundus images and eye basic data are acquired, the acquired data are structurized, eye feature attributes are analyzed, health indexes are provided according to the eye feature attributes; and the fundus image of a user is pre-processed through an image processing algorithm, and feature extraction is performed on the pre-processed fundus image; and an eye health assessment model is constructed through using a deep learning algorithm; and the eye health assessment model is imported through a cloud computing platform, a health report is generated, and an health index is outputted. With the method adopted, the health statuses of eyes can be detected conveniently; a direct feedback can be provided for a user; and disease prevention and daily health management can be facilitated.

The invention belongs to the field of biotechnology, and relates to a slightly acidic environment targeted polypeptide modified tumor targeted nano drug delivery system, and a preparation method thereof. The slightly acidic environment targeted polypeptide modified tumor targeted nano drug delivery system is prepared via self-assembly of a slightly acidic environment targeted polypeptide modified dendrimer encapsulated gene, wherein the surface of the dendrimer is rich of amino groups. According to the preparation method, a polypeptide of transmembrane helix protein C derived from bacteria visual purple is used for modifying a high molecular carrier, enrichment and adhesion onto cells is realized via a pH sensitive cell membrane insertion method, and entering into cells is realized via electrostatic adsorption guided endocytosis, so that untaking of tumor cells on drugs is improved, and toxic and side effects are reduced. According to the tumor targeted nano drug delivery system, cell membrane is taken as the target point, and the polypeptide is taken as the target head group in tumor slightly acidic environment, targeting and curing efficiency are high, the preparation method is simple and convenient, and tumor cell drugs, which are derived from human or animal, and is used for targeted therapy, can be prepared.

The invention discloses a focused ultrasound treatment system. The focused ultrasound treatment system comprises ultrasound transmitting equipment, signal collection equipment, imaging equipment, central processing equipment and feedback control equipment, wherein the ultrasound transmitting equipment transmits focused ultrasound to a target area or a target part, and the signal collection equipment and the imaging equipment are matched with the central processing equipment and the feedback control equipment to position the target part and adjust the relative position between a focused ultrasound focus and the target part in real time. The treatment target is better tracked, and the ultrasound treatment dosage is adjusted in real time, so that the precision of treatment positioning and thetarget tracking ability are improved, and the precision and stability of the dosage needed for treatment are guaranteed; and in addition, in the treatment process, temperature change parameters can be further determined, the feedback control equipment adjusts working parameters of the ultrasound transmitting equipment according to echoes and the temperature change parameters, thus the overhigh temperature of local tissue of a patient is effectively avoided, the treatment efficiency is improved, and the pain of the patient and side effects on the patient are relieved.

The invention relates to a Prussian blue-based intelligent pH-triggered MRI drug release-monitoring synergetic nanometer diagnosis and treatment agent and a preparation method thereof. The nanometer diagnosis and treatment agent comprises hollow Prussian blue nanometer particles with mesopores. The surfaces of the hollow Prussian blue nanometer particles with mesopores are coated with KxMny[Fe(CN)6]z, wherein x is greater than or equal to 0.05 and less than or equal to 0.3, y is greater than or equal to 0.5 and less than or equal to 0.98 and z is equal to 1. The nanometer diagnosis and treatment agent comprises hollow mesoporous nanometer particles with core-shell structures. The HMPB-Mn nanometer diagnosis and treatment agent is used for tumor part pH-sensitive MRI and pH-sensitive drug release control in chemotherapy. Through combination with thermotherapy, MRI-guided thermotherapy-chemotherapy combined treatment on tumors is realized.

The invention provides an ultrasonic interventional therapy system. The ultrasonic interventional therapy system comprises a therapeutic device, a control host and a feedback device, wherein the therapeutic device comprises a therapeutic conduit with a ultrasonic transducer array; the ultrasonic transducer array has two modes of therapy and display and is used for emitting focused ultrasonic waves to a therapeutic area of a human body; the control host is used for controlling the focal position, the frequency, the energy and the like of the focused ultrasonic waves emitted by the therapeutic device; the feedback device is used for feeding back the therapeutic area under the action of the focused ultrasonic waves, and outputting the feedback information to an operator and/or the control host. The ultrasonic interventional therapy system utilizes the feedback device to output the feedback information used for process monitoring and effect evaluation of the therapeutic area in the therapeutic process, so that the various parameters of the focused ultrasonic waves can be adjusted immediately according to the feedback information; according to the technical scheme of the ultrasonic interventional therapy system provided by the invention, a problem that the existing ultrasonic interventional therapy system is poor in safety can be avoided.

The invention discloses a full automatic converter for a medical brine bottle, comprising a floor stand, a ceiling tail frame, a stepping motor, a spindle, a cylindrical cam, a ratchet mechanism, a brine bottle bracket, a needle clamp, a pipeline switch, a guide chute and a controller; wherein the floor stand is connected with the ceiling tail frame through a hole pine, an installation plate whichis arranged on the top end of the ceiling tail frame is provided with the stepping motor which is connected with the spindle through a coupling, the spindle is connected with a first ratchet of the ratchet mechanism, a second ratchet of the ratchet mechanism, the brine bottle bracket and the cylindrical cam; the needle clamp is connected with the guide chute and the cylindrical cam through two guide columns in an embedded way; the pipeline switch is welded on the guide chute through a support frame; and the controller comprises a pulse distributor and a power amplifier and is connected on theceiling tail frame. The invention has the advantages of providing the automatic converter for an infusion bottle with electromechanical combination and automatic bottle change, thereby an ordinary patient can change the infusion bottle per se; the full automatic converter for the medical brine bottle adopts a standard universal part, is convenient to manufacture and carry, and has strong suitability.

Belonging to the technical field of biomedical polymer materials, the invention discloses a beta-cyclodextrin based amphiphilic pH responsive star polymer and a preparation method thereof, a micelle system based thereon, a composite material and application thereof. The polymer has a structure shown as the formula (1) in the specification, wherein x=3-20, y=2-30, z=5-35, and n=2-10. The polymer can be reduced in situ to obtain nanogold with small particle size and good stability. The invention also provides a micelle system based on the polymer, the micelle system has strengthened entrapment ability to water-insoluble drugs, can efficiently load hydrophobic drugs, gold nanoparticles and other substances, realizes the combination of tumor imaging diagnosis and tumor chemotherapy, and improves the therapeutic efficiency of cancer. And the polymer is easy to control the proportion of each block, and can be applied to preparation of the water-insoluble drug loaded micelle system to satisfy the release requirements of different drugs.

An apparatus and method for controllable separation of a purified fluid from a process water-based fluid containing at least one contaminating component are described. The apparatus comprises a housing having an inlet port for receiving the process water-based fluid through a controllable inlet valve, an outlet port for discharge of the purified fluid and a sludge port for discharge of a sludge fluid. The apparatus also includes an acoustic vibrator configured for generating a controllable acoustic wave having at least one adjustable parameter selected from frequency, amplitude and intensity. This acoustic vibrator creates at least one layer in the process water-based fluid dividing the process water-based fluid into a pre-filtered fluid and a sludge fluid. This layer is substantially perpendicular to a flow direction of said process water-based fluid. The layer comprises hydroxide radicals and oxygen species reacting with the contaminating component thereby transforming the component into radical form and oxidizing the component thereby causing binding of the component into insoluble aggregates which are precipitated within the sludge fluid. In addition, the apparatus comprises a filter unit disposed within the housing in a flow of the pre-filtered fluid from the layer to the outlet port.

The invention relates to the technical field of medical equipment, in particular to rapidly fixed traditional Chinese medicine fumigation therapeutic apparatus. The rapidly fixed traditional Chinese medicine fumigation therapeutic apparatus is composed of a fumigation generator, a connecting pipe and fumigation heads. Each fumigation head is composed of an outer cover, a transverse air-outlet pipe, a regulating sleeve, exhaust holes, an air conveying pipe, an inner pipe, a vertical air-outlet pipe, a transverse exhaust pipe, a piston rod, a piston sleeve, a twisting plate, an arc exhaust pipe, an inner cover and a seal rubber ring. The outer covers and the inner covers are semispherical shells with downward openings. The outer wall of each air conveying pipe is provided with the corresponding transverse exhaust pipe, each transverse exhaust pipe is integrated with the corresponding air conveying pipe and only communicated with annular space, and the right end of each transverse exhaust pipe is sleeved with the corresponding piston sleeve which is in screwed connection with the corresponding transverse exhaust pipe. According to the rapidly fixed traditional Chinese medicine fumigation therapeutic apparatus, the fumigation heads can be fixed to acupuncture points conveniently and rapidly, no discomfort will be caused to a patient, and the patient can conveniently and automatically regulate the temperature of each fumigation head.