164 results about "Color doppler ultrasound" patented technology

The invention discloses a solid medical ultrasound coupling patch and a preparing method thereof. The solid medical ultrasound coupling patch is prepared from a sodium alginate polymer, carrageenan, xanthan gum, hydroxymethyl cellulose, propylene glycol, glycerol, a preservative and deionized water. The preparing method comprises the steps that the sodium alginate polymer, glycerol, pure water andthe like are taken according to the mass ratio, mixed, heated and stirred evenly, and the mixture is discharged after heat-preservation defoaming is carried out, and then forms products of various specifications and shapes through filling. The solid medical ultrasound coupling patch is convenient to use and has excellent sound conduction and isolation effects; when medical personnel are in contact with infectious patients, the functions of preventing the risk of cross infection in a hospital and protecting the medical personnel are achieved after separation. The solid medical ultrasound coupling patch serves as a coupling medium, is specially applied to black and white ultrasonic equipment, color Doppler ultrasound equipment and the fields of ultrasound focusing and ultrasound treatment,and is suitable for the superficial surface, soft tissue, muscle bones, milk glands and thyroid glands of the human body and other parts where a liquid gel medium is difficult to use in ultrasound application.

The invention relates to a microwave-induced thermo-acoustic and color Doppler ultrasound bi-modal breast imaging detection device. The device comprises a microwave generator, an ultrasonic receiving and transmitting device, a transmitting antenna, a sample tank, an ultrasonic transducer, a data acquisition card and a computer; the ultrasonic receiving and transmitting device comprises an ultrasonic signal transmitter and an ultrasonic signal receiver; in a microwave-induced thermo-acoustic imaging process, the microwave generator, the transmitting antenna and the sample tank are arranged in sequence along the transmitting direction of an input signal; in a color Doppler ultrasound imaging process, the ultrasonic signal transmitter, the ultrasonic transducer, and the sample tank are arranged in sequence along the transmitting direction of the input signal; in a microwave-induced thermo-acoustic imaging and color Doppler ultrasound imaging process, the sample tank, the ultrasonic transducer, the ultrasonic signal receiver, the data acquisition card and the computer are arranged in sequence along the transmitting direction of an output signal. The invention further relates to a microwave-induced thermo-acoustic and color Doppler ultrasound bi-modal breast imaging detection method. The microwave-induced thermo-acoustic imaging and the color Doppler ultrasound imaging are combined to accurately detect the breasts and the device and the method belong to the technical field of the thermo-acoustic imaging and the color Doppler ultrasound imaging.

The invention belongs to a medical apparatus, particularly relating to a superficial vascular display instrument which combines a thermal infrared scanning function with a color Doppler ultrasound function. The superficial vascular display instrument comprises an infrared detection probe, a color Doppler ultrasound probe, a processing module, a power supply module, a storage module, a transmission module and a display module. In the invention, the thermal infrared scanning function and the color Doppler ultrasound function are miniaturized so that a handheld device is designed; and the handheld device can be carried conveniently and has the function of rapidly and accurately displaying a body superficial vascular static distribution map and a body superficial vascular dynamic analysis chart. When the superficial vascular display instrument is aligned with the part of human body needing to be observed, thermal infrared scanning can be carried out to obtain the vascular static map of the observed part, or color Doppler ultrasound scanning can be carried out to obtain the vascular dynamic analysis chart.

The invention discloses a system and method for three-dimensional breast X-ray and three-dimensional color Doppler ultrasound fusion imaging. The system for fusion imaging comprises a breast X-ray machine for collecting three-dimensional X-ray images of the breast, an ultrasonic machine for collecting three-dimensional ultrasound images of the breast and a collecting terminal for performing fusion treatment on the three-dimensional X-ray images and the three-dimensional ultrasound images of the breast so as to obtain a two-dimensional image group. The two-dimensional image group comprises two or more fused two-dimensional images. The collecting terminal is in communication connection with the breast X-ray machine and the ultrasonic machine. According to the system, the advantages of the X-ray technology and the color Doppler ultrasound technology are combined, so that the breast two-dimensional image group fusing X-ray and color Doppler ultrasound imaging information is obtained, and thus clinical doctors can make a diagnosis on breast diseases more accurately and more conveniently.

The invention discloses a heart color doppler ultrasound locating puncture device. The device comprises a bottom plate, the upper surface of the bottom plate is provided with a fixed rod, a placing plate and an adjusting bolt are arranged at the portions, close to the upper surface, of the side surface of the fixed rod, the upper surface of the placing plate is provided with a control switch group, the fixed rod is internally and slidingly connected with a movable rod, the top of the movable rod is provided with a servo motor, the side surface of an output shaft of the servo motor is connectedwith a second electric retractable rod, and a first electric retractable rod is arranged at the portion, close to the end portion, of the side surface of the second electric retractable rod. The heart color doppler ultrasound locating puncture device is reasonable in structure, high in practicability and suitable for promotion and use; the device is conveniently moved and braked through a brake and universal wheels; the height of the device is conveniently adjusted by adjusting the bolt; auxiliary tools required during puncture can be placed through a placement groove; the rotation angle of amounting plate is conveniently observed through a handle and scale marks.

The invention discloses an electrocardiogram and cardiac color Doppler ultrasound all-in-one machine. The electrocardiogram and cardiac color Doppler ultrasound all-in-one machine comprises an all-in-one machine body and a comprehensive probe. The all-in-one machine is characterized in that an electrocardiogram and cardiac color Doppler ultrasound examining table is arranged on the upper side of the all-in-one machine body; a wireless signal transmitter protection cover is arranged on the upper side of the electrocardiogram and cardiac color Doppler ultrasound examining table; a wireless signal transmitter is arranged in the wireless signal transmitter protection cover; a power supply knife switch groove is formed in the front side of the electrocardiogram and cardiac color Doppler ultrasound examining table; a knife switch is arranged in the power supply knife switch groove; a power supply knife switch push rod is arranged on the power supply knife switch; an insulation rubber handle is arranged on the power supply knife switch push rod. The electrocardiogram and cardiac color Doppler ultrasound all-in-one machine has the advantages that the functions are complete, the application is convenient, when a patient receives electrocardiogram and cardiac color Doppler ultrasound examination, the operation is simple, time and labor are saved, the safety and practicality are high, the efficiency and convenience are high, the results are scientific and precise, and the working difficulty is reduced for medical personnel.

The invention discloses an adaptive visual positioning method of heart blood flow vortex movement based on color doppler image information. The method comprises the following steps of according to the distribution conditions of blue areas and red areas of a color doppler ultrasound heart blood flow image, determining the approximate area of the blood flow vortex movement; in the rough positioning area, determining the accurate boundary of the blood flow vortex movement area; in the accurate positioning area, obtaining a speed vector distribution chart of blood flow vortex movement; according to the speed vector distribution chart of blood flow vortex movement, obtaining a plane streamline chart of blood flow vortex movement; according to the plane streamline chart of blood flow vortex movement, judging the volume, shape and position information of blood flow vortex movement. The method has the advantages that the defect of objective selection of interested areas of the existing method is overcome, the precision of visual positioning of blood flow vortex movement of a heart flow filed is greatly improved, the solid foundation is laid for the accurate quantitative evaluation of blood flow vortex movement of the heart flow filed, and the accurate mechanical data support is also provided for the accurate evaluation of the heart mechanical function.

The invention relates to a four-dimensional color Doppler ultrasound monitoring device and belongs to the technical field of medical equipment. The four-dimensional color Doppler ultrasound monitoring device comprises a four-dimensional color Doppler ultrasound monitoring device main body, a color Doppler ultrasound probe device and a Doppler generation device, wherein a storage cabinet is arranged on the front side of the four-dimensional color Doppler ultrasound monitoring device main body; a switch handle is arranged on the storage cabinet; hinges are arranged on the two sides of the switch handle; a probe line opening is formed in the upper side of the storage cabinet; a probe line is connected into the probe line opening; the probe line is connected with a probe line connector; the probe line connector is connected with a probe hand ring; the probe hand ring is connected with the color Doppler ultrasound probe device. The four-dimensional color Doppler ultrasound monitoring device has complete functions and is convenient to use; when color Doppler ultrasound detection is carried out, time and labor are saved; the four-dimensional color Doppler ultrasound monitoring device is scientific and portable, is safe and efficient, and has complete functions, and the working difficulty of medical workers is alleviated.

The invention belongs to the fields of medical instruments and communication products, particularly relates to a mobile phone combining infrared thermo-scanning and color doppler ultrasound scanning functions, which integrates the function of the traditional mobile phone module, and also integrates an infrared thermo-scanning module, a minitype doppler ultrasound module, a processing module and mobile phone software. By using the mobile phone with the functions of infrared thermo-scanning and color doppler ultrasound scanning, the patients can be diagnosed in dangerous emergency treatment in a fastest speed, and static and dynamic diagrams of blood vessels of the observed parts of the patients are displayed, thus shortening the saving time to a large extent, and improving the saving efficiency.

The invention relates to the field of traditional Chinese medicines, and especially relates to an ultrasonic couplant for heart color Doppler ultrasound. The ultrasonic couplant for heart color Doppler ultrasound is characterized by being prepared from the following raw materials in parts by weight: 30-60 parts of mint, 20-40 parts of borneol, 30-40 parts of chrysanthemum, 20-50 parts of Chinese angelica, 30-50 parts of andrographis paniculata, 20-60 parts of bidens tripartita, 30-50 parts of donax canniformis, 35-60 parts of herba swertiae mileensis, 20-40 parts of girald daphne bark, 30-40 parts of phellodendron, 20-30 parts of belamcanda chinensis, 10-15 parts of seseli mairei, 50-80 parts of glycerin, 30-50 parts of aseptic deionized water and 15-30 parts of starch. The ultrasonic couplant has relatively good coupling effect, has no skin irritation, has relatively good sterilization disinfection effects, does not damage a probe, does not pollute clothing, and is easy to clean and low in cost; and images are relatively clear by employing the couplant for ultrasonic detection.

The invention discloses an efficient painless drug for treating local tumor ablation. The efficient painless drug is mixed solution of absolute ethyl alcohol and lauromacrogol, wherein the ratio of lauromacrogol is 0.1-99.9%, and the ratio of absolute ethyl alcohol is 99.9%-0.1% according to the volume fraction. The efficient painless drug for treating local tumor ablation, which is injected into local tumor under guide of an ultrasonic imaging technique, is the mixed solution of absolute ethyl alcohol and lauromacrogol according to the volume ratio of 19 / 1 to 99 / 1; and volume ratio of absolute ethyl alcohol to lauromacrogol preferably is 99 / 1 or 19 / 1; the efficient painless drug for treating local tumor ablation is applied to preparation of the drug for treating ablation by being injected to the tumor under guide of the ultrasonic imaging technique; the sufferer has no adverse reaction such as pain in an operation; and the postoperation color Doppler ultrasonic review finds out that the tumor echo is increased, blood flow signals are obviously reduced, and the indexes of a part of patients with rising alpha fetal protein are obviously reduced by review.

The invention provides a benign and malignant lump identification system based on ultrasonic imaging. The system combines two ultrasonic modes of ultrasonic elastography and color Doppler ultrasound to carry out benign and malignant computer-aided identification on lumps, and comprises a preprocessing module, a feature extraction module, a classifier training module, a classifier fusion module andan aided identification module. According to the identification system provided by the invention, computer-aided identification is carried out by carrying out feature extraction, feature classification training and classification feature fusion on ultrasonic image data of lump focus elasticity and blood flow conditions; the identification system is high in lump feature classification precision, stable in performance and wide in application range, the lump structure can be analyzed more comprehensively, and therefore the accuracy of auxiliary diagnosis and recognition is improved.

The invention discloses a color Doppler ultrasound puncture dual-guide control system for the department of orthopaedics. The color Doppler ultrasound puncture dual-guide control system comprises a control module, an input module, an output module and a power module, wherein the control module is connected with the input module, the output module and the power module respectively, and is further connected with an ultrasound module and a nerve stimulator module for the department of orthopaedics respectively, the ultrasound module is connected with an ultrasonic probe, and the nerve stimulator module for the department of orthopaedics is connected with a nerve stimulation needle for the department of orthopaedics. The invention aims at providing the color Doppler ultrasound puncture dual-guide control system for the department of orthopaedics, which is convenient to use, and capable of positioning the location and shape of the nerve plexus of the department of orthopaedics by double methods including images and physical function, and the system is mainly used for the puncture guide for the nerve block of the department of orthopaedics.

The invention relates to a safe color Doppler ultrasound diagnostic instrument with an adjustment function. The safe color Doppler ultrasound diagnostic instrument with the adjustment function comprises a display screen, a workbench, a detection head, a base and four moving wheels; and the safe color Doppler ultrasound diagnostic instrument further comprises an adjusting mechanism and a stabilizing mechanism. The adjusting mechanism comprises a pillar, a support box, a movable plate and a driving assembly; the driving assembly comprises a first motor, a rotating rod and a connecting rod; the stabilizing mechanism comprises two sterilizing boxes, wherein a moving assembly is arranged inside one sterilizing box while a guiding assembly is arranged inside the other sterilizing box; the movingassembly comprises a rack and two moving units; and each of the moving units comprises a second motor, a gear and a fixing plate. The safe color Doppler ultrasound diagnostic instrument with the adjustment function is capable of meeting use requirements of medical workers of different heights by adjusting the height of the workbench via the adjusting mechanism; moreover, the detection head can bestabilized during operation by the stabilizing mechanism, thereby avoiding damage of the detection head caused by falling of the detection head onto the ground. Thus, the safe color Doppler ultrasound diagnostic instrument with the adjustment function is improved in safety.

The invention discloses a full-focus eye-ground color doppler ultrasound imaging method. The method comprises the following steps: using an ultrasonic host system, a video output equipment, an ultrasonic energy converter, a transmitting unit on the ultrasonic energy converter, and an ultrasonic host system as singlechips for signal processing; and implementing the scanning for a frame of image of the eye-grounds according to the following steps: transmitting the ultrasonic signals by the ultrasonic energy converting probe in a manner of spherical-wave transmission from one side to the other side, receiving any received wave beam formed at the periphery of each spherical wave, feeding back the information of the received wave beams to the ultrasonic host system, overlapping the received wave beams by the ultrasonic host system when the former and later spherical waves are transmitted, and obtaining a frame of the image after scanning one frame, wherein the image comprises multiple received wave beams which are overlapped for many times, and the received wave beams are used for the normal imaging process and finally displayed on the video output equipment. The imaging method can realize the ultrasonic scanning through the sound power which is 1 / 64-1 / 128 of that of traditional ultrasound so as to ensure the eye scanning safety.

The invention relates to a medical capsule enteroscopy system which can enter into the small intestine for examination. The invention provides a bidirectional color Doppler ultrasound capsule enteroscopy system, comprising capsule enteroscopy, a controller terminal and a workstation, wherein the capsule enteroscopy comprises a shell; a ring-shaped air sac is arranged on the outer surface of the shell; and a first color Doppler ultrasound module, a data processing chip, an auxiliary module, a power supply module, a data processing module and a second color Doppler ultrasound module are arranged in the shell in sequence and are connected in sequence. The system can simultaneously provide color Doppler ultrasound images at multiple angles, enriches the diagnosis methods of intestinal diseases and effectively improves the precision of diagnosis.

The invention relates to a four-dimensional color doppler ultrasound inspection instrument used in the obstetrical department and belongs to the technical field of medical apparatus and instruments. The four-dimensional color doppler ultrasound inspection instrument used in the obstetrical department comprises an inspection console, a detector interface is arranged at the left side of the inspection console, a detector connecting line is arranged in the detector interface, a handle wiring port is formed in the upper side of the detector connecting line, a control handle is arranged at the upper side of the handle wiring port, a control switch is arranged at the right side of the control handle, an ultrasonic detector is arranged at the upper side of the control handle, a color doppler ultrasound display is arranged at the upper side of a display base, a display screen is arranged at the front side of the color doppler ultrasound display, an image adjusting knob is arranged at the right side of the display screen, a central control unit is arranged inside the inspection console, a detection data transmission line is arranged at the left side of the central control unit, and a detection data processor is arranged at the left side of the detection data transmission line. The four-dimensional color doppler ultrasound inspection instrument is simple in structure and easy and convenient to operate and has the function of being capable of providing a convenient and fast color doppler ultrasound inspection function for medical workers, color doppler ultrasound imaging quality is improved, and inspection operation of medical workers is facilitated.

The invention relates to a four-dimensional color Doppler ultrasound examination device for imaging department, and belongs to the technical field of a medical appliance. The four-dimensional color Doppler ultrasound examination device for imaging department comprises a four-dimensional color Doppler ultrasound examination device main body, a Doppler generating device and a color Doppler ultrasound probe device, wherein a rotating device is arranged on the four-dimensional color Doppler ultrasound examination device main body, and is connected with a rotating shaft; a charging opening is formed in the right side of the rotating device, and is connected with a power supply wire; the power supply wire is connected with a plug; the rotating device is connected with a vertical support frame; the back side of the vertical support device is connected with a transverse support plate; the Doppler generating device is arranged on the transverse support plate; and an ultrasound wave generating box is arranged inside the Doppler generating device. The four-dimensional color Doppler ultrasound examination device for imaging department has the advantages that the functions are complete; the use is convenient; during the color Doppler ultrasound examination on a patient, the time and the labor are saved; scientificalness, convenience, high speed, safety and high efficiency are realized; and the work difficulty of medical personnel is greatly reduced.

The invention relates to an alternative multi-sound-head wireless handheld color Doppler ultrasound instrument, which comprises an ultrasound module, a battery, an antenna body, a WIFI (Wireless Fidelity) module, a power supply module, an upper casing and sound heads, wherein the connection among the sound heads, the upper casing and the ultrasound module is dismountable connection; and the sound heads comprise an abdomen probe, a vaginal intracavity probe, a superficial organ probe and a cardiac probe for alternative purposes. The connection mode between each sound head and the ultrasound module is converted from a conventional fixed connection mode into a dismountable connection mode, so that different sound heads can be arranged on one ultrasound module; the examination can be performed through abdomen color Doppler ultrasound; the examination can also be performed through vaginal intracavity color Doppler ultrasound; the examination on mammary glands, thyroid glands, face organs, four limbs and the like can be performed through superficial organ color Doppler ultrasound; meanwhile, the applicability to special probes for cardiac color Doppler ultrasound and the like is also realized; and the requirements of examination of diseases in the cardiac aspect can be met.

The invention discloses four-dimensional color Doppler ultrasound detection equipment for a picture department. The equipment structurally comprises a display indicator panel, a constant temperature moving device, a detection scanning gun, a movable supporting base plate, a data connecting line, a data port, a supporting base, universal wheels, a check window, a supporting control case, a connecting supporting block, a control switch, a control button, a supporting control panel, a safety handrail and a supporting limiting transverse plate; the rear side at the upper end of the supporting baseis welded to the lower end of the supporting control case. The equipment has the advantages that by arranging the constant temperature moving device on the equipment, when a medical worker adopts theequipment for performing four-dimensional color Doppler ultrasound detection work, the equipment can be rapidly heated and kept at the constant temperature, when the equipment makes contact with skin, the constant temperature work can be rapidly performed, the equipment practicability is improved, the external stimulation to a detector is greatly relieved, and the equipment is practical.

The invention discloses a color ultrasound orthopedic puncture dual-guidance control system. The main control system is respectively connected with an ultrasonic module and an orthopedic puncture device; the ultrasonic module is connected with an ultrasonic probe, and the main control system receives color ultrasound data information from the ultrasonic module and guides the control after processing. The orthopedic puncture device performs orthopedic puncture work. The present invention is a color ultrasound orthopedic puncture dual-guidance control system that is easy to use and has a reasonable structural design. The position and shape of the orthopedic puncture can be controlled by using the double-guidance method of color ultrasound images and physical functions at the same time, which can effectively perform puncture in orthopedic surgery and facilitate surgery. Instrument operation improves surgical efficiency. The present invention can also implement effective nerve block and puncture under sedation or basic anesthesia. It is suitable for patients with anatomical variation, children and patients who cannot cooperate well, improving medical level, reducing medical risks, Reduce the suffering of patients and reduce medical expenses.

The invention discloses a color Doppler ultrasound positioning type puncture frame. The color Doppler ultrasound positioning type puncture frame comprises a fixed base and a C-shaped supporting arm. The color Doppler ultrasound positioning type puncture frame is characterized in that the C-shaped supporting arm comprises a lower supporting arm, a C-shaped part telescopic arm and an upper telescopic arm, the bottom of the lower supporting arm is connected to a small servo motor which is arranged inside the fixed base, telescopic driving mechanisms are arranged inside the C-shaped part telescopic arm and inside the upper telescopic arm respectively, a puncture frame clamping mechanism is fixedly arranged on the end portion of the upper telescopic arm, a puncture probe assembly is clamped on the puncture frame clamping mechanism and comprises a puncture mechanism and a puncture probe, and the puncture probe is fixed on the puncture mechanism. According to the color Doppler ultrasound positioning type puncture frame, the puncture probe assembly can move vertically and horizontally through the C-shaped supporting arm, axial rotation of the puncture probe assembly can be achieved through the C-shaped supporting arm, operation is flexible and convenient, and time for a puncture operation is shortened greatly.

The invention discloses a visible arteriopuncture catheter indwelling device, belonging to the field of medical equipment. The device consists of a four-dimensional color Doppler ultrasound machine, a semi-cylindrical Doppler detector, a handheld automatic puncture catheter indwelling device, a head-mounted augmented reality device and a main controller, wherein the semi-cylindrical Doppler detector is connected with the four-dimensional color Doppler ultrasound machine through a circuit; and the head-mounted augmented reality device, the handheld automatic puncture catheter indwelling device and the four-dimensional color Doppler ultrasound machine are connected with the main controller. By adopting the device, a doctor can easily find the best puncture point of artery, the puncture process of the doctor is simplified, the efficiency of the whole puncture catheter indwelling process is improved, and the pain of a patient is relieved.

The invention discloses a visual description method for a plane streamline of a heart flow field. The method comprises the following steps: extracting blood flow velocity component within a two-dimensional observing plane in an acoustic beam direction on the basis of two-dimensional color Doppler ultrasound image information; through calculating a Doppler flow function and a Doppler flow distance function of a two-dimensional detection plane flow field, representing three-dimensional flowing by using a point source and a point sink; quantizing the Doppler flow distance function by using unit flow q; determining positions of the point source and the point sink according to a quantizing result and a Doppler blood flow velocity distribution situation; respectively using the point source and the point sink as a starting point and an end point of a plane streamline; and connecting the corresponding starting point and the end point according to a principle that flow function values of plane flows are equal to each other, so as to draw the plane streamline. Through the adoption of the visual description method disclosed by the invention, the motion state of the heart flow field within the detection plane can be effectively described in a visual way and solid basis is laid for effective visual observation and accurate quantitative evaluation of fluid kinetic status of the heart flow field.

The invention discloses a medical color doppler ultrasound coupling agent and a preparation method thereof, and belongs to the field of traditional Chinese medicines. Effective components of the coupling agent, namely a traditional Chinese medicine preparation, comprise the following raw materials: calendula, angelica dahurica, tea-seed oil, broom cypress fruit, lemna minor, leaves of acronychia pedunculata (L.) Miq., catalpa leaves, cinnamomum camphora leaves, delavay pararuellia herb, begonia fimbristipula, passiflora wilsonii Hemsl, potentilla fulgens Wall.ex Hook., cherry, milk, pinus koraiensis Sieb.et Zucc., and aloe. The herbs selected and used in the traditional Chinese medicine preparation are compatible, and the coupling agent conforms to the traditional Chinese medicine and modern medicine theories, has efficacies of clearing heat to remove toxicity, sterilizing and diminishing inflammation, and is excellent in lubrication effect, convenient to use, excellent in absorption effect, and free of adverse, toxic and side effects; clinical application proves that the coupling agent is non-irritant to a human body, excellent in imaging effect, high in image resolution, and suitable for clinical popularization and application to medical color doppler ultrasound diagnosis.

The invention discloses a carotid duplex ultrasound hemodynamic monitor, comprising a support structure and an input-output device and a central programmed controller connected with each other. A monitoring program is preset in the central programmed controller. The input-output device comprises a probe. A flow speed probe comprises a Doppler flow speed sensor, a type B ultrasound two-dimensional image sensor, a continuous wave generator, a receiving / amplifying / detecting circuit, a first ultrasonic chip transducer and a second ultrasonic chip transducer. The carotid duplex ultrasound hemodynamic monitor saves medical resources and improves stroke warning accuracy; internal carotid arterial blood speed is measured under the accurate navigation of color Doppler ultrasound by using a hemodynamic method, thus solving the problem of blind detection for a cerebrovascular hemodynamic detection flow speed probe; detection image stability and reliability are guaranteed by adding a foot-operated freezing method of probe detection operations; stroke warning sensitivity is improved by integrating morphological examination to hemodynamic examination.

The invention relates to the field of ultrasonic radiofrequency data acquisition and transmission, in particular to a USB 3.0-based color-ultrasound radiofrequency digital signal acquisition system which allows for high-speed acquisition and transmission of radiofrequency digital signals between a computer and a color-Doppler-ultrasound medical imaging system by USB 3.0 data transmission technology. The USB 3.0-based color-ultrasound radiofrequency digital signal acquisition system comprises a CPLD (complex programmable logic device) unit, an FIFO (first input first output) external buffer cache and a USB 3.0 interface chip. An output end of the FIFO external buffer cache is connected with an input interface of the USB 3.0 interface chip. The FIFO external buffer cache can transmit color ultrasound radiofrequency digital signals to the computer at high speed through the USB 3.0 interface chip under logic control of the CPLD unit, so that complete real-time transmission of the color ultrasound radiofrequency digital signals is achieved and transmission speed of the color ultrasound radiofrequency digital signals is also guaranteed. In addition, the USB 3.0-based color-ultrasound radiofrequency digital signal acquisition system has the advantages of the USB interface, such as high universality, connection convenience, and plug-and-play.

The invention relates to a power adjustment device, a power supply device and color Doppler ultrasound equipment, and belongs to the technical field of color Doppler ultrasound equipment. The power adjustment device comprises a digital-analog converter, a power supply output end, a first amplifier and a constant-power load; the input end of the digital-analog converter is connected with a switching power supply; the power supply output end is used for being connected with the load; and the first amplifier and the constant-power load are connected between the output end of the digital-analog converter and the power supply output end in parallel. The power of the constant-power load does not change along with the change of the output voltage of the digital-analog converter, so that the problem that the image output effect is bad as the frequency of the switching power supply is not fixed when the color Doppler ultrasound equipment use the existing power supply devices for power supply can be solved, and the image noises caused by the non-fixed switching frequency of the power supply of the color Doppler ultrasound equipment can be eliminated; and meanwhile, the power of the constant-power load does not change along with the change of the output voltage of the switching power supply, so that the consumption of the load when the output voltage of the switching power supply is relatively high can be reduced so as to save the electric power resources.

The invention relates to a medical capsule enteroscopy system capable of entering small intestine for examination. The invention especially relates to a color Doppler ultrasound capsule enteroscopy system, which comprises a capsule enteroscopy, a controller terminal and a workstation, wherein the capsule enteroscopy consists of a shell, an annular air bag is arranged on the outer surface of the shell, a color Doppler ultrasound module, a data processing chip, an assistant model, a power supply module, a data processing module and a CCD (Charge Coupled Device) module are arranged in the shell in sequence, and the color Doppler ultrasound module, the data processing chip, the assistant module, the power supply module, the data processing module and the CCD module are connected in turn. The medical capsule enteroscopy system combines the color Doppler ultrasonic technology and a CCD at the same time, can provide a color Doppler ultrasonic image and a clear intestinal tract wall image, enrich the diagnosis means for intestines problems, and effectively improve the accuracy of diagnosis.

The invention discloses a mobile PICC (Peripherally Inserted Central Catheter) cathetering treatment frame. The treatment frame comprises a base, a stand column, a control console, an engine base and a storage frame, wherein the engine base is used for placing a color Doppler ultrasound machine, the stand column is fixed in the center of the base, the engine base is fixed at the top end of the stand column, and B-ultrasonic probe supports are arranged at the two ends of the engine base; the control console is located below the engine base, is connected with the stand column through a lifter, and can lift along the stand column; the storage frame is located below the control console and is connected with the stand column; and rollers are arranged at the bottom of the base. The control console is provided with either a drawing plate or a folding plate; the treatment frame further comprises an arm table which is located below the engine base and is connected with the stand column through the lifter, and the arm table is provided with either a drawing plate or a folding plate; and the lifter is a rack lifter. According to the treatment frame, the color Doppler ultrasound machine, a B-ultrasonic probe device and a working table are integrally combined, so that the working space can be saved, and the treatment frame can be conveniently moved; a PICC apparatus can be carried to a sickbed, a patient can finish washing a catheter and changing a membrane even if the patient does not need to get out of bed, so as to prevent the blocking of the catheter or the infection of a blood vessel on the skin where the catheter is placed, so that the working efficiency can be improved.