42 results about "Blood stained" patented technology

A method for a cleaning apparatus represents groundbreaking advancement in hand hygiene technology. Users can personalize cleaning routine by selecting from modes such as thorough, regular, or quick wash, with facial ID recognition or voice recognition ensuring a tailored experience based on individual preferences. The apparatus employs movable nozzles and predefined spraying patterns for systematic and consistent hand cleaning. Advanced feedback mechanisms, including audio, visual, and haptic signals, keep users informed throughout the process. Cleaning apparatus beyond conventional hand-cleaning methods by integrating soap and lotion dispensing units, a drying element, UV sterilization, and self-cleaning capabilities. These features collectively elevate hygiene standards, providing users with a comprehensive solution for maintaining optimal hand cleanliness. Health monitoring is seamlessly integrated, with image sensors detecting unusual patterns such as blood stains or tumors, triggering timely alerts for users to seek professional advice. A comprehensive self-cleaning mode is activated when the user is away.

The present application belongs to the technical field of cleaning supplies, and particularly relates to a high-efficiency blood-stain removing powder and a preparation method thereof. The high-efficiency blood-stain removing powder provided by the present application comprises the following raw materials and mass fractions: 45.0-65.0 parts of sodium percarbonate, 12.0-18.0 parts of an auxiliary agent, 11.0-18.0 parts of an auxiliary cleaning agent, 4.0-7.0 parts of anhydrous sodium metasilicate, 1.0-3.0 parts of a non-ionic surfactant, 1.5-2.5 parts of an enzyme preparation, 0.2-1.0 parts of an antibacterial agent, 1.0-3.0 parts of a thickening agent, and 0.1-0.5 parts of a fragrance; the auxiliary cleaning agent is composed of sodium carbonate and sodium alpha-alkenyl sulfonate at a mass ratio of 8.0-12.0:3.0-6.0. When the high-efficiency blood-stain removing powder of the present application is used, no complex operation is needed, and blood stains can be easily removed through simple soaking, without laborious scrubbing, so that the effect of 'quick cleaning and complete stain removal' is truly achieved.

The utility model relates to the field of guide wire fixing, in particular to an intraoperative storage device for a guide wire. The device comprises a fixing seat, the bottom face of the fixing seat is provided with a pasting face used for being attached to an operating table, the fixing seat is composed of a first clamping part and a second clamping part, the first clamping part and the second clamping part are tightly attached to form a longitudinal clamping seam with clamping force, and the longitudinal clamping seam is used for fixing a guide wire behind a circle disc; a sponge layer is arranged on the inner side of the crack. A water injection hole communicated with the longitudinal crack is formed in the upper side of the fixing base and is a one-way valve. Meanwhile, one end of the guide wire is reserved when the guide wire is taken out again, and heparin normal saline can be poured into the water injection hole through the needle cylinder to clean blood stains on the surface of the guide wire when the other end of the guide wire is drawn out. The device is simple in structure, the management convenience in the guide wire operation can be effectively improved, and the guide wire storage efficiency is improved by optimizing the fixing and cleaning functions.

The embodiment of the invention provides a processing method for reducing volatile basic nitrogen in meat products, and relates to the technical field of meat food processing. The processing method for reducing the volatile basic nitrogen in the meat product comprises the following steps: selecting fresh and non-decayed raw material meat; and surface dirt, bloodstains and impurities are removed. Cleaning and impurity-removing feed meat to remove perishable tissues such as fascia, fat and the like in the raw material meat; the refrigeration equipment is used for quickly performing low-temperature precooling on the raw material meat to reduce the meat temperature. And a low-temperature processing environment is kept by adopting a low-temperature device in the process of transferring the feed meat for processing. And storing and transporting the processed meat product under a low-temperature condition. When meat is transported and transferred on the chain plate, heat exchange is carried out between the chain plate and the meat, heat at the bottom of the meat is rapidly dissipated, heat above the meat can be rapidly dissipated through the arrangement of the rollers and the exhaust holes, the meat can be cooled from the upper layer to the lower layer at the same time, and volatile basic nitrogen in the meat product is reduced.

The invention discloses a multi-stage adjustable and controllable insertion tube, an endoscope device and a surgical robotic.The multi-stage adjustable and controllable insertion tube comprises a plurality of sheathing canals which are sequentially connected in a sleeved mode from inside to outside; the sheath tube on the inner side has a first state of being accommodated in the sheath tube on the outer side and a second state of movably extending forwards from the sheath tube on the outer side; each sheathing canal comprises an inner sheathing canal and at least two outer sheathing canals located on the outer side of the inner sheathing canal, an imaging module is arranged at the front end of the inner sheathing canal, the imaging module is provided with a forward imaging surface, and in a first state, the imaging surface retracts into at least one outer sheathing canal. According to the invention, at least three different insertion outer diameters can be formed by the single insertion pipe fitting, so that the insertion pipe fitting can be flexibly adapted to air passages with at least three sizes. The retraction of the imaging surface can prevent blood and the like in the body of the patient from being adsorbed on the imaging surface, and the diagnosis and treatment reliability of the endoscope device is improved.

A method for a cleaning apparatus represents groundbreaking advancement in hand hygiene technology. Users can personalize cleaning routine by selecting from modes such as thorough, regular, or quick wash, with facial ID recognition or voice recognition ensuring a tailored experience based on individual preferences. The apparatus employs movable nozzles and predefined spraying patterns for systematic and consistent hand cleaning. Advanced feedback mechanisms, including audio, visual, and haptic signals, keep users informed throughout the process. Cleaning apparatus beyond conventional hand-cleaning methods by integrating soap and lotion dispensing units, a drying element, UV sterilization, and self-cleaning capabilities. These features collectively elevate hygiene standards, providing users with a comprehensive solution for maintaining optimal hand cleanliness. Health monitoring is seamlessly integrated, with image sensors detecting unusual patterns such as blood stains or tumors, triggering timely alerts for users to seek professional advice. A comprehensive self-cleaning mode is activated when the user is away.

The utility model discloses an internal fistula tourniquet which comprises a tourniquet body, a hook-and-loop fastener and a loop-and-loop fastener, the hook-and-loop fastener is arranged on one side of the upper surface of the tourniquet body, and the loop-and-loop fastener is arranged on the lower surface of the tourniquet body and is far away from one side of the hook-and-loop fastener. The tourniquet further comprises a hemostasis mechanism located on the upper surface of the tourniquet body and away from the hook-and-loop side of the hook-and-loop fastener, the hemostasis mechanism comprises a deformation piece and a hemostasis block, the hemostasis block is located in the middle of the upper portion of the deformation piece, and the lower surface of the deformation piece is connected with the upper surface of the tourniquet body. According to the tourniquet, the hemostatic block is arranged outside the tourniquet body, and the advantage that the hemostatic block can absorb water and store water is utilized, so that the possibility that the tourniquet body is polluted by bloodstains can be reduced, the infection risk is reduced, the tourniquet body is kept relatively clean, repeated cleaning and even replacement of the whole tourniquet are not needed, and the tourniquet is convenient to use repeatedly; the hemostasis block can effectively assist in hemostasis.

The utility model relates to the field of medical instruments, and discloses a disposable slip pad for surgery, which comprises a pad body, sliding edges are fixedly connected to two sides of the pad body, fixing components are slidably connected to the interiors of the sliding edges, a plurality of permeation holes are formed in the surface of the pad body, a water absorption layer is fixedly connected to the interior of the pad body, and the water absorption layer is fixedly connected to the interior of the pad body. A sliding layer is fixedly connected to the bottom of the mat body, fixing edges are fixedly connected to the two sides of the mat body, the ends, away from the mat body, of the fixing edges are fixedly connected to the outer portion of the sliding layer, and a plurality of handles are fixedly connected to the two sides of the top of the mat body. According to the utility model, through the work of the pad body and the permeation holes, blood stains, body fluid and the like generated in the operation process flow into the water absorption layer through the permeation holes to be absorbed, the cleanness and sanitation of the operation environment are kept, and the pad body and the sliding layer are fixed together through the fixing edge, so that the auxiliary movement friction force is small, and the operation requirement is met.

The invention relates to the technical field of blood trace detection, in particular to a blood trace developing agent as well as a developing method and application thereof. The blood trace developing agent comprises a disperse dye and a solvent, the concentration of the disperse dye is 2-4%, and the solvent is water, methanol, absolute ethyl alcohol, a mordant aqueous solution, a glacial acetic acid aqueous solution, a glacial acetic acid and methanol mixed solution, a glacial acetic acid and ethanol mixed solution or a dispersant and mordant mixed aqueous solution. The blood trace developing agent provided by the invention is wide in application range, blood traces on various different types of objects can be developed, developed blood fingerprint streaklines are coherent and high in definition, object backgrounds are not stained or slightly stained, the contrast between the streaklines and the backgrounds is large, and the blood trace developing agent has a good developing effect.

The invention discloses an adjustable hemodialysis catheter protection device and a using method thereof.The adjustable hemodialysis catheter protection device comprises a catheter body, one side of one end of the catheter body communicates with a vein end tube, the other side of one end of the catheter body communicates with an artery end tube, and protection assemblies are arranged on the surfaces of the vein end tube and the artery end tube correspondingly; a cleaning assembly is arranged on the surface of the protection assembly, the hemodialysis catheter is applied to the technical field of hemodialysis catheters, when a vein end tube or an artery end tube needs to be used, the protection assembly is moved, and only the vein end tube or the artery end tube needs to be exposed; the blood in the vein end tube or the artery end tube may be exposed to the surface of the protection structure, if the blood cannot be cleaned in time, bacteria are bred, so that a patient is affected, and in the process of moving the protection assembly, the cleaning assembly is driven to clean blood stains on the inner wall of the protection structure.

The invention discloses an appropriate Xu traditional Chinese medicine pain-relieving and dampness-eliminating acupuncture method, relates to the technical field of traditional Chinese medicine acupuncture, and aims to solve the problems that the treatment on the needle inserting angle and depth and the reaction to a patient is not accurate enough in the acupuncture process and the effect of expelling phlegm-dampness toxin in the body cannot be fully exerted by part of existing methods. The method comprises the steps that S1, the color of the face of a patient is observed, S2, pain points are found through tendon and collateral acupuncture points on the body, S3, tools are prepared, and affected parts are disinfected, S4, the acupuncture points of the affected parts of the patient are accurately found for acupuncture, S5, according to the illness state of the patient and the direction of meridians and collaterals, S7, blood is drawn out through a cup for the first time, the cup is loosened, the drawn-out blood is treated, then cupping is conducted for the second time, and the drawn-out blood is true cold. S8, finally loosening the tank; and S9, cleaning blood stains. The invention provides a safe and effective acupuncture method for pain diseases caused by cold-dampness of a human body by combining the traditional theory of traditional Chinese medicine and modern medical knowledge.

The utility model discloses a bloodstain screening device, which relates to the field of bloodstain screening and comprises a screening component, the screening component comprises a hollow through shell, a reagent strip limiting tube is fixedly connected inside the front end of the through shell, and the front end of the through shell is gradually narrowed flat. The bloodstain screening device comprises a through shell, a colloidal gold reagent strip is arranged in the through shell, a reagent strip limiting tube is arranged in the through shell, the reagent strip limiting tube is of a flat strip-shaped design with the hollow interior, the through shell and the reagent strip limiting tube are both made of transparent acrylic materials, and a test tube is fixed in the middle of the interior of the through shell. The internal buffer solution can fully soak the reagent strip conveniently, the internal buffer solution is absorbed by the built-in cotton ball, the internal piston rod is pushed to extrude the cotton ball when inspection is needed, the buffer solution is extruded out to be in contact with the reagent strip, the buffer solution does not need to be prepared in real time during detection, and the overall detection efficiency can be improved.

The utility model relates to the field of female hygienic products, in particular to an absorption core for fading bloodstains and a female hygienic product provided with the same, which comprises a core main body, a compressed elastic fiber structure is arranged on the core main body, and the elastic fiber structure expands in volume after being triggered by liquid. The sanitary product is used for solving the problems that due to the fact that an absorption core of an existing sanitary product for women is still insufficient in menstrual blood absorption speed and absorption amount, menstrual blood stays on the surface of the absorption core, body health of women is affected, use experience is poor, and the sanitary product is not friendly to women with blood faint. Through expansion generated after the elastic fiber structure is triggered, on one hand, menstrual blood is promoted to be quickly transferred downwards through volume increase, and therefore the menstrual blood staying on the surface of the elastic fiber structure is reduced; on the other hand, blood stains on the surface layer of the elastic fiber structure are dispersed through expansion, and the blood stains in the elastic fiber structure are covered by unfolded fibers, so that rapid fading of menstrual blood is formed visually.

This invention discloses a fixation device for animal medical experiments, comprising a support frame, a square tube fixedly connected to the bottom of the support frame, a first motor fixedly connected to the side of the square tube, a one-way threaded rod fixedly connected to the output end of the first motor, a sliding frame threadedly connected to the one-way threaded rod, a connecting rack fixedly connected to one side of the sliding frame, and an external toothed ratchet ring meshing with the connecting rack. The support frame is fixedly connected to a first bevel gear, and a disc is fixedly connected to the side of the first bevel gear away from the support frame. This invention effectively avoids experimental interference caused by blood stains and odors, ensuring data accuracy. The device features an automatic post-experiment cleaning mechanism that quickly cleans blood stains and odors from components such as the support frame and flip clamp, preventing residual odors from irritating subsequent experimental animals, reducing abnormal reactions such as animal restlessness and stress, stabilizing physiological indicators such as heart rate and blood pressure, and ensuring the accuracy and consistency of data from multiple batches of experiments.

The invention relates to the technical field of surgical patient nursing, in particular to a tourniquet antifouling treatment device with a circulating supply and last disinfection mechanism, which comprises a tourniquet decontamination box, one side of the tourniquet decontamination box is fixedly connected with two groups of pushing mechanisms, and the movable ends of the two groups of pushing mechanisms are fixedly connected with a bloodstain treatment module and a sterilization module respectively; the bloodstain treatment module comprises a bloodstain treatment box, the side face of the bloodstain treatment box communicates with the sterilization module, and a bloodstain treatment mechanism, a reciprocating movement mechanism and a disinfectant spraying mechanism which are distributed from top to bottom are installed in the bloodstain treatment box; fixing is completed through the reciprocating moving mechanism, the bloodstain treatment mechanism can treat the suturing positions on the two sides of the tourniquet in a targeted mode, the reciprocating moving mechanism drives the tourniquet to move in a reciprocating mode, and it is ensured that the treatment mechanism comprehensively cleans bloodstain; the groove plate is arranged below the suture position of the tourniquet, so that the suture position can fluctuate up and down in the moving process and is accurately matched with the transverse cleaning brush, and blood stains at the suture position are accurately removed.

The utility model belongs to the field of microwave ablation needles, and particularly relates to a microwave ablation needle with a high-temperature-resistant coating, which comprises an outer tube and an inner tube which are sleeved with each other, and a partition plate is clamped between the outer tube and the inner tube; the bottom of the outer tube and the bottom of the inner tube are connected with a needle seat, and a channel with the same inner diameter as the inner tube is formed in the middle of the needle seat. The two cooling pipes and the circulating pipe are combined to form a pipeline of a U-shaped structure, cooling liquid circulates in the pipeline of the U-shaped structure, in the cooling liquid conveying process, on one hand, heat emitted by an ablation needle cable is absorbed, on the other hand, heat conducted by the outer pipe is absorbed, the situation that high temperature directly acts on tissue and scalds are caused is prevented, and the use safety is improved. The dosing tube and the through holes are combined to form a medicine supply channel, after the tube plug is taken down, hemostatic can be conveyed to a bleeding position through the medicine supply channel, the multiple through holes are formed, the hemostatic can be distributed in a multi-point mode, and meanwhile the dosing tube can be matched with a suction device to adsorb and clean bloodstain.

A method for a cleaning apparatus represents groundbreaking advancement in hand hygiene technology. Users can personalize cleaning routine by selecting from modes such as thorough, regular, or quick wash, with facial ID recognition or voice recognition ensuring a tailored experience based on individual preferences. The apparatus employs movable nozzles and predefined spraying patterns for systematic and consistent hand cleaning. Advanced feedback mechanisms, including audio, visual, and haptic signals, keep users informed throughout the process. Cleaning apparatus beyond conventional hand-cleaning methods by integrating soap and lotion dispensing units, a drying element, UV sterilization, and self-cleaning capabilities. These features collectively elevate hygiene standards, providing users with a comprehensive solution for maintaining optimal hand cleanliness. Health monitoring is seamlessly integrated, with image sensors detecting unusual patterns such as blood stains or tumors, triggering timely alerts for users to seek professional advice. A comprehensive self-cleaning mode is activated when the user is away.

The present invention belongs to the field of textiles, and in particular to a kind of active antibacterial self-cleaning fabric and preparation method thereof. The preparation method includes: first, melamine, genipin, copper sulfate and ammonium chloride are dissolved in water together, ethanol is added to prepare a prepolymer finishing agent, and then cotton fabric is immersed in it. After microwave reaction, the cotton fabric is further immersed in a DMF solution containing a tetravalent vanadium salt and meso-tetrakis (3-carboxyphenyl) porphine, and then hydrothermal reaction is carried out, followed by washing and drying to obtain an active antibacterial self-cleaning fabric. The fabric can achieve antibacterial properties by generating superoxide anions, hydroxyl radicals and singlet oxygen, and can also achieve surface self-cleaning by oxidative degradation of oil stains and blood stains on the surface of the fabric.

The present disclosure relates to a blood staining patch, a method and device for a blood test using the same, and more particularly, to a patch configured to contain a staining reagent for staining blood and a method and device for economically testing blood using the same. A blood testing method according to an aspect of the present disclosure, which is a blood testing method in which a patch, which includes a mesh structure forming micro-cavities and is configured to contain a staining reagent for staining targets present in blood in the micro-cavities, is used to perform a blood test through staining of the staining target, includes placing blood in a reaction region, and providing the staining reagent to the reaction region using the patch configured to contain the staining reagent.

The utility model relates to the technical field of medical instruments, in particular to a medical electric lumen cleaner for cleaning medical lumen instruments. The device comprises a handheld end, a transmission flexible shaft, a spiral stainless steel wire, a split type brush and a power device, wherein the power device consists of a control motor, a circuit board and a storage battery which are arranged at the handheld end; the device is used for cleaning instruments and pipelines with pipe cavities, such as a uterus suction pipe, an abdominal cavity flushing pipe and a hysteroscope pipe, the pipelines of the instruments are long, and the depth of a brush of conventional equipment cannot reach the pipe wall adhesion tissue, bloodstain, electric resection fluid and the like. By means of the flexible shaft, the brush head can penetrate into the inner side of the pipe wall to be cleaned, the electric cleaning device can penetrate into the pipe cavity to conduct spiral cleaning, special cleaning liquid is used in an auxiliary mode, the cleaning effect is guaranteed, and meanwhile the brush head is easy to replace.

The present invention relates to a highly effective blood stain removal laundry detergent composition, comprising the following components by weight: sodium octylsulfonate, tetrasodium glutamate diacetate, a sugar alcohol surfactant, other surfactants, an adjuvant, an enzyme preparation, and water; wherein the sugar alcohol surfactant is maltitol laurate and maltooligosaccharide glucoside. The detergent synergist obtained by mixing sodium octylsulfonate, maltitol laurate, and maltooligosaccharide glucoside has good stability and can improve blood stain removal.

The utility model relates to the technical field of food processing, and discloses a bone sawing machine with a safety protection structure, which comprises a bone sawing table, the lower surface of the bone sawing table is fixedly connected with a shell, the inner wall of the shell is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating shaft, and one end of the rotating shaft is fixedly connected with a driving wheel. The outer wall of the driving wheel is rotatably connected with a cutter, the inner wall of the cutter is rotatably connected with a driven wheel, the inner wall of the driven wheel is fixedly connected with a transmission shaft, one end of the transmission shaft is rotatably connected with a control box, the bottom of the control box is fixedly connected to the upper surface of the bone sawing table, and the outer wall of the control box is fixedly connected with a switch and an indicator lamp. According to the splash-proof bone sawing machine, through mutual cooperation of the splash-proof transparent plate and the clamping assembly, the problems that when the bone sawing machine is used, bone disintegrating residues and blood stains are prone to splashing to injure workers accidentally, and the bone cannot be fixed during bone sawing, so that the bone sawing difficulty is increased are solved, and the effects of improving operation safety and bone sawing stability are achieved.

1. Name of the product in this design: Vaginal sponge stick. 2. Purpose of this design: This design is used to absorb blood stains and secretions in the vagina. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The rear view is the same as the front view, so the rear view is omitted; the right view is symmetrical to the left view, so the right view is omitted.

The utility model discloses a medical gauze counting and collecting device which comprises leakage-proof moisture absorption collecting cloth, a supporting seat and a movable lifting support. A sunken part is downwards formed in the middle of the upper end face of the leakage-proof moisture absorption collecting cloth, and a plurality of gauze counting grids made of foam materials are fixedly arranged in the sunken part in an interference fit mode; the supporting seat is provided with a supporting groove with an opening in the upper portion, and the concave part is placed in the supporting groove in an interference fit mode. And the movable lifting bracket is fixedly arranged at the bottom of the supporting seat. The medical gauze counting device has the beneficial effects that the supporting base and the movable lifting support are arranged, leakage-proof moisture absorption collecting cloth can be conveniently moved to the position, with the proper height, beside an operation table or an operating table, used medical gauze can be short in throwing distance and easy to throw accurately, the used medical gauze is correspondingly placed in the gauze counting grids one by one, and the medical gauze counting efficiency is improved. When the used medical gauze is thrown into the gauze counting grids, blood stains of patients, cleaning liquid medicine and the like on the medical gauze can be absorbed and are not easy to leak out, so that the medical gauze is not easy to splash out.

The application discloses an intelligent egg belt analysis device and method, and belongs to the field of automatic detection. The device solves the problems of low counting accuracy, easy environmental interference and single function of the prior art. It comprises a three-dimensional adjustable support for adapting to different production lines, an industrial camera and a core optical imaging cavity. The cavity cover is arranged in the field of view of the camera and comprises a ring-shaped multi-layer light source and a light shield, which jointly build a stable optical imaging environment isolated from external environmental light. An edge computing device is electrically connected with the camera and the light source, receives the egg images collected in the stable environment, and performs high-precision counting, quality detection (such as crack, dirt and blood stain) or specification analysis based on the images. The application realizes high-precision, strong anti-interference and multifunctional integrated online analysis by physically isolating environmental interference, combining a programmable optimized lighting scheme and an advanced visual algorithm, and can generate structured data to support fine production management.

The invention discloses a DNA (deoxyribonucleic acid) extraction-free fluorescently-labeled STR (short tandem repeat) composite amplification detection system, which comprises 25 STR sites, specifically comprises 19 autosome sites, 3 Y-STR sites, 2 X-STR sites and 1 Amelogenin site, is divided into four groups for fluorescently labeling, and is matched with an extraction-free premixed solution containing an anti-inhibitor compound. The detection system does not need independent DNA extraction, can directly treat samples such as blood spots and cigarette butts, has a PCR inhibitor tolerance concentration 2-3 times that of an existing detection system, and can be used for detecting the PCR inhibitor through a technical path of DNA extraction-free system optimization-core STR site screening-high-specificity primer design-multi-fluorescence channel distribution-whole-process performance verification. The forensic detection requirements of no extraction, efficient amplification and accurate typing are met.

The invention provides a medical instrument residual blood detection kit and a use method thereof, and relates to the technical field of medical detection. The medical instrument residual blood detection kit comprises a lower barrel body and an upper barrel body; the top of the lower can body is connected with an upper can body, the lower can body is sleeved with a movable outer barrel, and the movable outer barrel is connected with the upper can body. The outer part of the movable outer cylinder is connected with two bolts; a can cover is connected into the top of the upper can body, and a movable ring is connected to the top of the can cover and connected with the upper can body. Three springs are installed on the top of the barrel cover, and an ultrasonic vibration rod is connected into the barrel cover in a penetrating mode. Ultrasonic waves emitted by the ultrasonic vibration rod are conducted in water, impact of water particles is accelerated, cleaning of residual bloodstains on the medical instrument is conducted, the bloodstains are dissolved in purified water, and a sample is conveniently extracted to conduct residual bloodstain detection operation. The problems that the dirt condition on the surface of an instrument is observed through human eyes in the prior art, only some large-particle stains can be detected, and trace blood residues are difficult to accurately recognize are solved.

The invention discloses a hydrophobic odontoscope and a preparation method thereof. The odontoscope comprises an odontoscope base body and a polysiloxane coating modified on the odontoscope base body. According to the method, the odontoscope is modified with siloxane with terminal reactive groups through a wiping method, rapid hydrophobic modification is conducted on the surface of the odontoscope, the surface of the odontoscope can have obvious dynamic repellency on blood liquid drops, and therefore bloodstains can rapidly slip off from the surface of the odontoscope without residues. Meanwhile, due to the lubrication effect of similar liquid, water can easily slide on the surface of the mouth mirror which has an inclined angle and is subjected to hydrophobization modification, and no adhesion phenomenon exists; compared with an unmodified odontoscope, the siloxane with the terminal reactive group is grafted and modified on the surface of the odontoscope, so that water drops can be quickly removed, and the amount of accumulated water on the surface of the odontoscope is reduced.

The utility model relates to the technical field of nasal cavity hemostasis devices, in particular to a ventilated nasal cavity hemostasis device, which comprises a ventilation mechanism, a hemostasis mechanism and a control mechanism, the breather pipe is used for providing an interaction channel for nasal cavity gas, and the edge absorption unit is connected with the breather pipe and used for absorbing bloodstains in a nasal cavity bleeding edge area. The hemostasis mechanism comprises a volume expansion unit which is connected with the breather pipe and is used for blocking a bleeding area and a core absorption sponge which is connected with the volume expansion unit and is used for absorbing bloodstains in a bleeding core area of the nasal cavity; the auxiliary mechanism is connected with the hemostasis mechanism and used for collecting blood stains appearing at the outlet of the nasal cavity and limiting the relative position of the hemostasis mechanism and the nasal cavity. The nasal cavity hemostasis effectiveness is improved.

The present application relates to the technical field of acellular matrix repair materials, and discloses a preparation method of human acellular alveolar bone matrix microparticles, comprising the following steps: step S1: obtaining fresh and clean human alveolar bone from a clinic; and step S2: processing the obtained human alveolar bone and performing two cleaning operations on the human alveolar bone. According to the preparation method, after the human alveolar bone obtained from the clinic is cleaned, the cells, blood stains and exogenous DNA in the alveolar bone are successfully removed by using an ultrasonic cleaner and a common deionized water treatment liquid on the market without relying on a nuclease, the immunogenicity of the material is effectively reduced, the biocompatibility and safety are significantly improved, the natural structure and collagen integrity of the alveolar bone are retained, the preparation process is simplified, and the use of chemical reagents is reduced, so that the acellular alveolar bone matrix microparticles which are safe, non-toxic and suitable for scientific research and clinical application are prepared.