535results about How to "Reduce oppression" patented technology

The invention discloses a novel lower extremity exoskeleton rehabilitation training device and a training method; in accordance with problems on efficiently and safely recovering the walking capacity of lower extremities of a patient, enhancing the adaptability of the training device and other problems in a human lower extremity rehabilitation training process, the rehabilitation training device disclosed by the invention can achieve all-directional rehabilitation training with five freedom degrees of motion on the human lower extremities. The rehabilitation device is added with angle, displacement and pressure sensors, and by detecting related motion parameters of the patient, self-adaptive adjustment is achieved; and since lower extremity exoskeleton, width regulating and height regulating mechanisms and an anti-gravity treadmill are subjected to modular design, training intensity and amplitude can be regulated in accordance with the figure of the rehabilitation patient as well as a rehabilitation progress, so that adaptability is enhanced. By integrating the designed lower extremity exoskeleton on the anti-gravity treadmill, the comfort of the patient in the rehabilitation training is enhanced, and meanwhile, the effect of the rehabilitation training is improved as well.

The invention relates to a heart valve prosthesis. The heart valve prosthesis comprises a stent and artificial valves; the stent comprises an atrium section and a valve suturing section, the artificial valves are fixedly connected to the valve suturing section, a skeleton of the far end part of the valve suturing section extends to form a supporting section, and the supporting section and the valve suturing section are of an integrated structure; one end of the atrium section is connected with the far end of the supporting section, the other end of the atrium section is free and is located on the cross section perpendicular to the central axis of the artificial valves, the valve suturing section is located in the supporting section, the center of the valve suturing section does not coincide with that of the supporting section, the cross section area of the supporting section is larger than that of the valve suturing section, the cross section area of the atrium section is larger than that of the supporting section, the cross section area of the valve suturing section is smaller than that of valve rings of autologous valves of a patient, and in a free state, at least part of the supporting section is located among the valve rings of the autologous valves of the patient.

The invention discloses an anti-restenosis digestive tract stent which is characterized in that a main body (1) is formed by connecting a plurality of stent units (2) and an easily-bent connecting part (3), wherein two ends of the connecting part (3) are respectively connected with the corresponding stent unit (2), the main body (1) is of a right circular cylinder structure which is easy to bend or a composite structure which is easy to bend and consists of a cylinder and a cone; and each stent unit (2) is of an integral structure formed by carving a metal pipe material or a structure formed by weaving a silk material, and the connecting part (3) is formed by weaving a metal line material or plastic line material with good flexibility. The anti-restenosis digestive tract stent has better radial supporting strength and better compliance, and ensures that the stent has the advantages of more accuracy of positioning, difficulty in translocation, low restenosis incidence and the like.

An earplug cushion for an earphone comprises a central tube part with a sound outlet and a sound inlet fitting with the sound guide tube of the earphone, an outer shield part extending from the sound outlet to the sound inlet for being inserted into the canal, and a buffer part disposed at the tube part next to the sound outlet; according to special and effective design for the buffer part, when the earphone is worn with the earplug cushion, the buffer part becomes twisted and deformed to be adapted to the canal in different sizes snugly without clearances for decreasing oppression to the canal and enhancing quality of the listened sound.

The invention provides a display module and a display device. The display module comprises a backlight source, a display panel and a front frame, wherein the front frame surrounds the display panel, is used for enabling the display panel and the backlight source to be fixedly connected and comprises a blocking portion, and the blocking portion covers a part of a non-display area of the liquid crystal display panel. The backlight source comprises a rubber frame, wherein the rubber frame comprises a bearing portion for supporting the liquid crystal display panel, a supporting structure is arranged between the blocking portion and the bearing face of the bearing portion so as to form a gap between the blocking portion and the display panel, and under the normal circumstance, a gap value ensures that no light leakage phenomenon caused by the fact that the front frame compresses the display panel in a dark state L0 occurs. The stability of the gap between the front frame and the display panel can be ensured, the situation that the front frame compresses the display panel is decreased, and accordingly compression-caused light leakage in the dark state L0 due to the fact that no gap exists between the front frame and the display panel is prevented.

The invention discloses a medical pillow internally containing pure traditional Chinese medicines for treating cervical spondylosis and a preparation method thereof. The medical pillow is composed of a medicine core, a filling material, a medical magnetic sheet and a pure cotton coat, wherein the front side of the medical pillow is high and the rear side is low, and the middle of the medical pillow is provided with a notch; and the medicine core is composed of peanut leaves, cassia twigs, ligusticus wallichii franchet, pubescent angelica root, mint, chrysanthemum, bombyx batryticatus, scorpion, earthworm, baked pangolin, radix salviae miltiorrhizae, angelica dahurica, magnolia bark, cacumen biotae, cortex albiziae, notopterygium root, Chinese atractylodes, gentiana macrophylla, white peony root, atractylis ovata, peach kernel, mulberry twig, Chinese clematis, actual lavender and laurocapram. The medical pillow is used for preventing and treating cervical spondylosis as well as dizzy, blurred vision, nausea, tinnitus, numb limbs and tense tendons, neck, shoulder and back pain, swelling and heavy discomforts and other syndromes caused by cervical spondylosis and scapulohumeral periarthritis, has the advantages of reliable curative effect, safe use, scientific design, unique model and strong practicability, is economical, practical, beautiful and novel, and can change poor pillow use habits of people.

The invention relates to a multi-functional electric traction, rectification and recovery bed. The multi-functional electric traction, rectification and recovery bed is characterized in that the bottom surfaces of a back section bed body and a front section bed body are both provided with electric inclination mechanisms; the tail part of a middle section bed body is provided with an electric elevating mechanism of a belt pile, a bracket guide mechanism is arranged on a bed rack of the middle section bed body, and one side of the middle section bed body is provided with a bed body fastening mechanism; an electric bed body elevating mechanism is arranged on the bracket guide mechanism; and manual elevating adjusting plate block mechanisms of the waist, the back and the shoulder are sequentially arranged in narrow rectangular holes I#, II# and III# in the top surface of the front part of the middle section bed body, and one side of the front section bed body is provided with an electric control operation platform. The multi-functional electric traction, rectification and recovery bed not only has reasonable design, compact structure, simplicity and practicality but also can adjust the force and the angle in the traction process; and the multi-functional electric traction, rectification and recovery bed is suitable for the traction therapy of patients with front protrusion, back protrusion and side protrusion, is also suitable for the traction therapy of patients with the stretching restriction of the knee joint, has the advantages of good traction therapy effect, low price, beautiful appearance, very convenient use, and the like, and still can carry out therapy when the power is cut off.

The interverterbral fusion implement for cervical vertebra anterior operation is one hollow column with polygonal or circular cross section, holes on side wall and sharp teeth on the upper and the lower surfaces. It is made of polymer material capable of being absorbed by human body, poly(DL-lactic acid), poly(L-lactic acid), polyglycolic acid or their copolymer. It has determined early-stage locking effect, late-stage bone fusion effect, good biocompatibility and proper mechanical structure, and may be self-degraded after being fused with vertebra. It results in no rejection and may be also used in thoracic vertebra and lumbar vertebra operation.

The invention discloses an adjustable cervical interbody fusion cage, which is used for solving the problems of low applicability, adjustment incapability and inconvenient intraoperative operation of an interbody fusion cage. The technical scheme is that: the adjustable cervical interbody fusion cage comprises a main body structure and a sliding lock; the main body structure consists of upper and lower main body plates which are separately arranged, and a polyester tensile belt coated around the upper and lower main body plates; a middle part of the main body structure is provided with a bone-accommodating groove; middles parts of two sides of the upper and lower main body plates are symmetrically provided with I-shaped support coupling shafts; upper shafts and lower shafts of the support coupling shafts are rotatably connected with the upper and lower main body plates through a pad respectively; and the sliding lock is positioned at one end of the main body structure. The angle adjustment function of the adjustable cervical interbody fusion cage makes the whole system more accord with the human body structure, facilitates the arrangement of the system, and integrates the system into a support structure of the vertebral column to accord with the human body mechanics, and the excellent postoperative fusion also reduces hazards of fracture and removal of an anterior cervical spine steel plate and a bolt.

An eye pressure monitor is composed of a spectacle frame with coil in it for generating an induced magnetic field, a magnetic vibrator for exciting the vibration of eye ball by external magnetic field and generating an inductive E.M.F in said coil, and a processing module for generating a signal to generate said induced magnetic field, measuring its inductive E.M.F, and sequentially obtaining the vibration information of eye ball, the resonance frequency of cornea and eye pressure.

The invention provides a powder for treating hyperosteogeny and protrusion of lumber and spondylopathy intervertebral disc and its preparation, which is prepared from leeches, native copper, snake, earthworm, pangolin scales, buthus martensi kirsch, and centipede by a finite of weight ratio proportion.

The invention relates to a traction rectification reduction bed with a tiltable former section a tiltable latter section. The traction rectification reduction bed is characterized in that: the reduction bed is a combined traction bed which consists of a front part, a middle part, a rear part, hinges and inclined angle regulation mechanisms according to corresponding posture of humans when lying prostrate or flat on back. The end face at one side of the middle part is hinged with the front part; the middle sections of legs at the front and the back of the side are symmetrically provided with ratchet angel regulation mechanisms capable of causing the front part to incline upwards or downwards; the end face at the side of the middle part is hinged with the rear part; the middle sections of legs at the front and the back of the side are symmetrically provided with ratchet angel regulation mechanisms capable of causing the rear part to incline upwards or downwards. The traction rectification reduction bed of the invention has reasonable design and compact structure, and not only is simple and practical but also can regulate the strength and angle during the traction process; besides, the traction rectification reduction bed of the invention is not only suitable for traction treatment for patients of processus anterior, processus aborolis and paraphysis, but also for traction treatment of patients who have limited stretching of the knee joints; in addition, the traction rectification reduction bed of the invention has the advantages of good traction treatment effect, low price and convenient use.

The invention discloses a stoma plug used for colostomies. The stoma plug used for the colostomies comprises a body and a hollow inner core used for collecting excrement. The body comprises a hollow pillar body inserted into an intestinal canal and a disc retained outside the intestinal canal, wherein the disc is connected to the end, close to the abdominal wall, of the hollow pillar body, the hollow inner core can be detachably installed inside the hollow pillar body, and a one-way valve capable of opening and closing a passage of the hollow inner core is arranged at the end, close to the abdominal cavity, of the hollow inner core. The stoma plug used for the colostomies is good in concealment, good in plugging effect and convenient to replace, does need to make contact with the excrement, and can reduce related complications caused by leakage of fecal sewage.

The invention discloses a postoperation nursing bed and relates to a medical device. The postoperation nursing bed comprises a bed frame, a bed board and an adjusting mechanism, wherein the bed board is formed by hinging a first bed board to a second bed board; the adjusting mechanism comprises driving motors, a control part, an adjusting part, a first supporting part and a second supporting part, and the first supporting part and the second supporting part are symmetrically arranged along the center of a door board; the adjusting part comprises an adjusting shell body, a first bevel gear which is rotatably connected with the adjusting shell body, a second bevel gear and a middle bevel gear, wherein the first bevel gear and the second bevel gear are meshed with the middle bevel gear. The first supporting part and the second supporting part control free ends of the first bed board and the second bed board to go up and down respectively, the first supporting part and the second supporting part are driven by the first bevel gear and the second bevel gear respectively, through the control over the running resistance of the second bevel gear, the speed ratio of the first bevel gear to the second bevel gear can be changed, and the bed board can be presented with different states.

The invention provides an arm decompression type radial artery compression and hemostatic device which comprises a decompression unit and a hemostatic unit. The decompression unit comprises a decompression supporting plate and fixing belts. The decompression supporting plate is in a strip shape, the upper surface of the decompression supporting plate is matched with an anatomical structure of the back of a forearm of an arm in shape, the decompression supporting plate is downwards bent to be in an arc shape in the direction of long edges, and the fixing belts are located on the same long side edge of the decompression supporting plate. The hemostatic unit comprises a pressing plate, a connection belt, a nut, a threaded rod and a compression pad. The hemostatic unit is arranged on the decompression supporting plate through the pressing plate and the connection belt in a sleeving mode. The portions, located on the two sides of the threaded rod, of the pressing plate form two side wings. The lower surface of one of the side wings is provided with a flexible fixing pad for assisting in supporting the threaded rod, and the bottom face of the compression pad is provided with hemostatic dressing; the hemostatic device is good in hemostatic effect, firm to fix and capable of scattering the compression force borne by the hemostatic portion, lowering compression on veins by the hemostatic device and guaranteeing smooth blood circulation.

The invention relates to the technical field of mattresses, in particular to a mattress for auxiliary treatment of the cervical vertebra and lumbar vertebra. The mattress comprises a mattress body comprising a cushion, and a lumbar vertebra airbag cavity is arranged in the middle of the cushion and is provided with lumbar vertebra airbag; the position of the middle of the surface of the lumbar vertebra airbag corresponding to the lumbar vertebra of a body is provided with an infrared heating plate A provided with a drug bag A; the pillow portion of the end of the cushion is provided with a pillow airbag cavity, the bottom of the pillow airbag cavity is provided with a pillow airbag, and the pillow airbag is provided with a memory sponge; the position of the middle of the surface of the pillow airbag cavity corresponding to the cervical vertebra of the body is provided with an infrared heating plate B provided with a drug bag B; a micro inflating device A is connected to the port of the lumbar vertebra airbag. The mattress is simple in structure and convenient to operate, pressure of the cervical vertebra and lumbar vertebra can be released to the certain extent, and the effect of auxiliary treatment can be achieved.

In the prior art, in a case of measuring a speed of a narrow-bandwidth path of which the state fluctuates dynamically, a serious influence is placed upon a speed calculation with a sufficient precision, and a performance.Embedding probe information into a data packet, being actual data, to transfer two at a time allows the data packet having the probe information embedded to act as a probe packet of the packet pair technique as well. Further, in a system including a plurality of the paths, the data packets are distributed to the path two packets by two packets.

A multifunctional physiotherapy bed comprises a bed body, a bed body supporting frame, a bed body lifting device, a stretching device, a sliding device, a swinging device, a moxibustion box, a moxibustion smoke storage box and a connection pipe. The top end of the L-shaped supporting frame is rotatably fixed to the bed body, a rotary shaft is arranged on the bottom surface of the bed body, the bed body lifting device is fixed to the bed body through the rotary shaft, and the other end of the bed body lifting device is fixed onto the bed body supporting frame on the lower side of the bed body. The sliding device is arranged at the edge of the outer side of the bed body, and the swinging device and the moxibustion box are arranged on the upper side of the bed body through a fixing seat on the sliding device. The stretching device is arranged on the bottom surface of the bed body and comprises a T-shaped supporting frame and a driving device, and the T-shaped supporting frame is positioned on the outer side of the bed body and connected with a power output end of the driving device. The multifunctional physiotherapy bed integrates six different traditional Chinese medicine physiotherapy functions, has the advantages of being complete in function, simple in operation and obvious in curative effect, and can meet needs of massage, acupuncture and moxibustion and cupping completely and have multiple applications indeed, and the purpose of comprehensive treatment is achieved.

The invention provides two-way synchronous clamping plasma steel pipe cutting equipment, belongs to the technical field of steel pipe cutting devices, and aims to solve the technical problem of steel pipes incapable of rotating and transferring through a mechanical device when the steel pipes are cut by a plasma cutter. The equipment comprises a rotary clamping device, a clamping sizing transfer device, a bracket device and a turnover discharge device; the rotary clamping device includes a clamping mounting frame, a turntable mechanism, a clamping mechanism, a two-way synchronous clamping drive connecting mechanism, a turntable driving mechanism and a lifting mechanism; and the clamping sizing transfer device includes a sizing transfer guide rail, a sizing clamping mounting frame, the clamping mechanism, the two-way synchronous clamping drive connecting mechanism, the lifting mechanism and a clamping moving disc mechanism. The equipment can realize clamping and rotation of the steel pipes in the steel pipe cutting process, and performs fixed-distance transfer for the steel pipes.

The invention provides a transesophageal examination laryngeal mask that is simply structured and conveniently operated, and belongs to the field of medical appliance. The transesophageal examination laryngeal mask comprises an aeration pipe, an aeration cover, an inflation tube of the aeration cover, a blow vent, a one-way valve and an indication air sac, and further comprises an esophageal insertion pipe, an inflation tube of the esophageal insertion pipe, an inflation tube fixing ring, at least one secretion draft tube and a fixing ring thereof. The esophageal insertion pipe is connected to the lower end of the aeration cover but is not communicated with the lower end of the aeration cover, and is used together with the inflation tube of the esophageal insertion pipe. The upper end of the secretion draft tube is connected with a negative voltage source and the lower end thereof is a free end. The secretion draft tube is additionally loaded on the aeration pipe by the fixing ring. The invention solves the problem that the oropharyngeal secretion is too much in the process of using an ordinary laryngeal mask. The laryngeal mask of the invention allows the apparatuses such as ultrasonic probe, gastroscope and gastric canal to pass through and can realize the transesophageal ultrasonic technique, painless gastroscope technique and painless gastric canal drainage technique in surgery.

The invention provides a device for rehabilitation therapy of lumbar disc herniation and related diseases. The device is a mechanism which at least comprises a lumbar vertebra double-roller rehabilitative device and a lumbar vertebra rehabilitative bed and is additionally provided with an infrared transmitter serving as an auxiliary part. Lumbar vertebra rehabilitative rollers are horizontally placed in the middle of a bed face, the length direction of the rollers is identical to the bed, and an elastic material layer is laid on the upper portion of the bed face. A patient lies on the back flatly on the lumbar vertebra rehabilitative rollers, the two long rollers stride across the two sides of the spine, the two knees are bent, and the two feet step on a transverse support of a bed tail. Through the power of the two hands, the two arms, the two feet and the whole body, the lumbar vertebra rehabilitative rollers roll in a reciprocating mode on the bed face and vibrate. The stroke is controlled, the degree is proper when the two long rollers do not press the spine and the patient feels comfortable. Organism tissue of the back of the patient is irradiated with infrared light emitted from the portion below the lumbar vertebra rehabilitative bed and transmitting a gap of the bed face, with the cooperation of the processes, free traction, massage, acupressure and infrared stimulation of an affected part are achieved in a three-dimensional space, and therefore the device is suitable for treating the diseases such as lumbar disc herniation, ischialgia, lumbar muscle degeneration, lumbar vertebra hyperostosis and spinal curvature and also can be used as measures for height increase and body building.

The present invention discloses a cervical synostosis device for front enter operation of cervical vertebrae. Said device is formed from upper and lower two arms, screws and a hollow column body and is prepared by using absorbable material of poly-DL-lactic acid, poly-L-lactic acid and polyglycollic acid or copolymer of them, biological ceramics or composite of hydroxyapatite and the above-mentioned polymer. The side wal of said column body can have or have not open pore, its upper surface is made into the risen form, and its upper and lower surface can have or have not pointed tooth, and its cross-section is polygonal or circular. Said invention also provides its advantages and application range.

The invention provides a femoral artery compression hemostasis device which at least comprises a hemostasis unit and a fixing unit. The hemostasis unit comprises a pressing knob, a sleeve shell and a pressing pad, the sleeve shell is connected with the pressing knob in a threaded manner, and the pressing pad is connected with the bottom of the pressing knob. The fixing unit comprises a supporting stabilization rod, a tail fin, a leg supporting plate and a fixing strap, the tail fin is fixed on the supporting stabilization rod, the leg supporting plate is positioned below the supporting stabilization rod, the supporting stabilization rod is connected with the leg supporting plate through the fixing strap and perpendicular to the pressing knob, one end of the supporting stabilization rod is connected with the tail fin, the other end of the supporting stabilization rod is connected with the sleeve shell in a threaded manner, the pressing pad comprises a base pad, a blood vessel pressing pad and a haemostatic wound dressing, the blood vessel pressing pad and the haemostatic wound dressing are bilaterally fixed at the bottom of the base pad, the blood vessel pressing pad is abutted to the haemostatic wound dressing, the area of the haemostatic wound dressing is larger than that of the blood vessel pressing pad, and the height of the blood vessel pressing pad is not smaller than that of the haemostatic wound dressing. The hemostasis device is high in hemostasis efficiency and can be stably fixed at the puncture point of a human leg, and pressure on the leg can be relieved.

The invention provides a simple and convenient thoracentesis apparatus. The apparatus comprises an outer sleeve, a puncture needle, and a two-way pushing part, wherein the inside of the outer sleeve is provided with a needle entrance channel, a liquid holding space and a pressure extraction space which are mutually independent, the puncture needle is arranged in the needle entrance channel in a slide manner, the inside of the needle entrance channel is provided with an anesthesia channel and a liquid extraction channel which are mutually independent, the anesthesia channel communicates with the liquid holding space, the liquid extraction channel communicates with the pressure extraction space, the two-way pushing part comprises a pushing block, a plug-pushing rod, a needle-pushing rod, a pressure extraction rod and a reverse part, the plug-pushing rod is connected with the pushing block and one end of the plug-pushing rod is located in the liquid holding space, the needle-pushing rod is connected with the pushing block and extends into the needle entrance channel and is connected with the puncture needle, the pressure extraction rod passes through the wall body of the outer sleevein a slide manner and one end of the pressure extraction rod is located in the pressure extraction space, the reverse part is installed on the outer sleeve and is located between the needle-pushing rod and the pressure extraction rod, and the reverse part is connected with the needle-pushing rod and the pressure extraction rod. The apparatus can simplify the steps of performing thoracentesis. Theinvention also provides a using method of the simple and convenient thoracentesis apparatus.

The invention discloses a minimized low-power-consumption electroencephalogram collecting and wireless transmission device. The device comprises an electroencephalogram collecting module, a storage display module and a wireless charging module; the electroencephalogram collecting module collects the electroencephalogram through a needle electrode unit, and the electroencephalogram is sent to a signal processing unit to amplify and filter, and the signal after being processed by the signal processing unit is output to a storage display module through a first DA 14580 Bluetooth wireless transmission unit; the storage display module receives the signal output by the first DA 14580 Bluetooth wireless transmission unit through a second DA 14580 Bluetooth wireless transmission unit; the signal is stored in the first SD card unit, and digitally filtered through a STM32F103RCT6 microprocessor unit, so as to store the signal after digital filtering to the second SD unit; at last, the signal is displayed through the LCD display screen.

The invention provides a via-intracolonic three cavity air bag closed drainage tube suit, which comprises a via-intracolonic three cavity air bag closed drainage tube, wherein the via-intracolonic three cavity air bag closed drainage tube comprises a main drainage tube; an air bag is adhered to the outer wall of the front end of the main drainage tube; the inner end head of the main drainage tube is exposed at the front end of the air bag so as to drain the excrement; a secondary drainage tube is arranged on the main drainage tube; the outer end head of the secondary drainage tube is connected with a negative pressure extractor; the inner end head of the secondary drainage tube is arranged at the rear end of the air bag so as to carry out negative pressure extraction; an air filling tube stretches into the air bag; and a charging valve is arranged at the rear end of the air filling tube. With the adoption of the via-intracolonic three cavity air bag closed drainage tube suit, the excrement above the wound is prevented from flowing downwards, so that the enteric cavity at the wound is kept clean and a low pressure shrinkage state is kept at the wound, which is beneficial for recovery of the surface of the wound. The main drainage tube is fixed by an in vitro fixing device effectively and is fixed on a specially-made shorts shaped fixing device, so that a patient can move freely and walk on the ground, thereby improving the living quality of the patient.

The invention discloses a device for lifting and moving a coiled material through synchronous clamping and fixing in a three-coordinate mode, and belongs to the technical field of multi-directional movement of automatic manipulators. According to the device for lifting and moving the coiled material through synchronous clamping and fixing in the three-coordinate mode, transverse beam moving rods are fixedly connected with the upper ends of a paper cover processing grabbing mechanical arm body, a contract processing grabbing mechanical arm body and a hot melt processing mechanical arm body; clamping and fixing clamp pieces are arranged at upper ends of transverse shaft horizontal moving sliding blocks and are attached to synchronous conveying belts; the synchronous conveying belts are attached to the rotary ends of center drivers; vertical moving rods are fixedly connected with the lower ends of vertical drivers; a gel layer is attached to the inner side of each synchronous conveying belt; antiskid grooves are formed in the inner sides of the gel layers and filled with magnesium carbonate powder; positioning dividing rules are carved on longitudinal moving slide rods; lubrication oil is hydrogenated base oil; and three-dimensional accurate lifting of coiled material tube cores can be achieved, and then the coiled material tube cores are rapidly moved.

A flocking roller is matched with and abuts against a matching roller. The flocking roller comprises a roller core and a composite working layer, wherein the composite working layer comprises an elastic software layer coating on the periphery of the roller core, and a flocking layer which comprises a plurality of fibers arranged on the periphery of the elastic software layer and is matched with and abuts against the matching roller. With the increase of using time and the physical change of the flocking roller structure, the flocking roller can guarantee the matching resistance to the matching roller by automatic compensation, thereby realizing the stability and reliability of the working and the prolonging of the service life of the flocking roller.

The invention relates to an external ventricular drainage and hematoma clearance device. The external ventricular drainage and hematoma clearance device includes a drainage tube, and a first drainageneedle and a second drainage needle which are connected to a head end and a tail end of the drainage tube respectively; a surface of an inner wall of the drainage tube is coated with an anticoagulantcoating; and a filtering device, a pressure application device and a three-way tube are successively arranged on a tube line of the drainage tube. The external ventricular drainage and hematoma clearance device can adopt different drainage manners according to the ventricular hematoma degree: for ventricular cast severe cerebral hemorrhage, the two drainage needles adopt transorbital puncture, puncture a lateral ventricle posterior horn, and adopt angle puncture and enter a ventricle, and a hematoma-lateral ventricle frontal horn drainage-purging in vitro-lateral ventricle posterior horn backflow circulation loop is established; and for mild ventricular hemorrhage, the first drainage needle and the second drainage needle are combined into a puncture needle, and a local circulation is established. The external ventricular drainage and hematoma clearance device can clear up ventricular blood clots, in particular ventricular cast, can effectively relieve secondary lesion such as hydrocephalus, encephaledema, and vasospasm due to ventricular hemorrhage and ventricular cast.