40 results about "Bloodletting" patented technology

The invention belongs to the technical field of fish processing, and particularly relates to a process for processing fishes cleanly, which comprises the following steps of: stunning the fishes instantly, namely stunning live fishes by using rated voltage so as to allow the fishes to have heartbeat but lose memory or stunning the live fishes in a closed bag by using carbon dioxide; cutting fish gills off, namely allowing a knife to extend into the fish gills from water outlet edges of the fish gills on sides of fish cheeks to cut the fish gills on both sides off; performing bloodletting, namely hanging the fishes of which the fish gills are cut off in a mode of allowing fishtails to be upward and fish heads to be downward for bloodletting, so that fish blood flows out of fish mouths until the fish blood is discharged completely from fish gill cavities; washing, namely washing blood in fish mouth cavities cleanly by using pressurized water conveyed from the fish mouths, and washing dirt and mucus on surfaces of fish bodies cleanly; and drying, namely drying the water on the surfaces of the fish bodies by using a water absorption material. The process has the advantages that the fishes are stunned instantly, so the slaughter effect is good; the bloodletting is complete in a mode of cutting the fish gills off, so fish flesh is not polluted; and the fish bodies are hung upside down, the bloodletting is complete, and time and labor are saved, so the process is suitable for processing various fishes, particularly globefishes cleanly.

The invention discloses a plum-blossom needle cupping device with a precise bloodletting function. The plum-blossom needle cupping device comprises a cup body, a plum-blossom needle bloodletting pen disposed at the center of the top of the cup body, and a negative pressure bloodletting gun for vacuumizing the cup body by the plum-blossom needle bloodletting pen. The cup body is in sliding seal connection with the plum-blossom needle bloodletting pen. The negative pressure bloodletting gun drives the plum-blossom needle bloodletting pen to move up and down. The plum-blossom needle cupping device is an integrated plum-blossom needle bloodletting medical instrument capable of realizing controllable needle tapping depth and forming a negative pressure after needle tapping to automatically remove grimy blood.

The invention discloses a comprehensive fresh keeping method of chilled chickens, and relates to the technical field of the food processing industry and food irradiation. The method sequentially comprises the following steps: quarantined living chicken bloodletting, disinfection flushing, hair scalding, hair picking, cleaning, eviscerating, chilled chicken pre-cooling disinfection, fresh keeping treatment, air cooling, anti-oxidation treatment, packaging, irradiation and constant temperature storage. The disinfection flushing step is carried out to prevent cross infection of microorganisms in a high-temperature immersion tank; foams in an immersion scalding tank are timely removed in the hair scalding step in order to effectively aggregation of bacteria; and air cooling timely carried out after the fresh keeping treatment is a key process for reducing the initial bacterium quantity of the chilled chickens.

The invention aims to provide a fish product processing device suitable for fishing boats, and aims to solve the technical problem of primary processing of fish products. The fish product processing device suitable for the fishing boats comprises a sectioning system and a control system, wherein the control system is electrically connected with the sectioning system; the sectioning system comprises a sectioning and conveying mechanism, a sectioning, pressing and holding mechanism and a sectioning cutter mechanism; the sectioning and conveying mechanism comprises a chain plate conveyor; the sectioning, pressing and holding mechanism is mounted on the chain plate conveyor; and the sectioning cutter mechanism is mounted on one side of the chain plate conveyor. The fish product processing device suitable for fishing boats disclosed by the invention has the beneficial effects that fish which are fished to the fishing boat can be subjected to high-efficiency sectioning and bloodletting, so that the fresh keeping degree of the fish is improved; and the sectioning system of the fish product processing device can adjust the transmitting position and sectioning position of a fish body, and in the sectioning process of the fish body, the sectioning system can firmly compact the fish body, so that the situation that the fish body is deviated during sectioning is avoided.

The invention discloses a tuna lifting bloodletting integrated machine which comprises a crawler belt that is erected suspendedly and inclinedly from bottom to top, wherein guide rails for hanging a tuna hook are parallelly disposed near the lower side of the crawler belt; forked plectrums are uniformly distributed on the crawler belt, and the tuna hooks can slide on the guide rails under the traction of the forked plectrums; a hook-disassembling machine for disassembling the tuna hooks into a release state is disposed near the end of the guide rails; a bloodletting machine which can adjust the position of a bloodletting wound as required is disposed near the central part of the guide rails. The inclined crawler belt draws the tuna hooks through the forked plectrums; the wound is treated by the bloodletting machine during the traveling process for bloodletting; after the bloodletting is finished during subsequent hanging traveling process, the hook-disassembling machine finishes the disassembling of the tuna hooks, and the tuna body is unhooked automatically. The invention has the advantages of rapid wound bloodletting, economy, practicality, convenient and rapid hanging and disassembling.

The invention discloses a pig stabbing bloodletting process. The process includes that a sterilized knife is aimed at the position 9cm to the right from the middle of a first rib throat of a fainted live pig hung upside down, a heart is stabbed to discharge the blood, then artery and vein of the pig neck are cut by moving the knife to one side, and the pig is hung upside down to discharge the blood in the pig body. Sterilization is conducted at high temperature, the knife is put into 100-DEG C hot water and sterilized for 10s and taken out to be reserved, and the length of a knife edge is controlled to be 6cm during stabbing and bloodletting. The specific position of the stabbing knife is strictly controlled in a whole stabbing and bloodletting process, the length of the knife edge and the like are limited, the pig can be killed through once cutting, and pain of the pig is reduced. The process is simple and convenient to operate, complex procedures are not required, pig blood in the pig body is discharged as much as possible in order to reduce extravasated blood after stabbing, bloodletting time is strictly controlled, and spray rinsing is conducted after bloodletting, so that produced pigs are clean and hygienic and can meet the national food safety standard.

The invention provides a processing technology capable of effectively keeping fresh taste of poultry meat. The technology includes the following steps that firstly, bloodletting is conducted, wherein throat cutting and bloodletting are conducted on live poultry, and it is guaranteed that blood in poultry is removed; secondly, unhairing is conducted, wherein the poultry subjected to bloodletting is placed in hot water for scalding and unhairing; thirdly, ice water cooling is conducted, wherein the unhaired poultry body is soaked in ice water to be cooled; fourthly, disembowelment is conducted; wherein the poultry is disemboweled, and viscera is sorted; fifthly, washing is conducted with ice water, wherein the viscera obtained after disembowelment and the outer surface of the poultry are washed and cooled with ice water; sixthly, film coating is conducted, wherein according to the content of unsaturated fatty acid of different kinds of poultry, preservative is sprayed; seventhly, packaging is conducted through vacuumizing; eighthly, liquid nitrogen quick freezing is conducted, wherein the poultry subjected to vacuum packaging is placed in a liquid nitrogen quick freezing machine for quick freezing; ninthly, the poultry is stored in a refrigeration storage, wherein the quick frozen poultry is placed in the refrigeration storage at temperature not higher than -18 DEG C to be stored, and it is guaranteed that the temperature is kept in the distribution and circulation process.

A positioning auxiliary device for poultry bloodletting, comprising a frame body (1), a mobile slide bar device (2) is arranged on the upper part of the frame body (1), and two movable modules (3) are distributed on the bar body to connect with a circular positioning device (4) , the elastic stretching device (5) is located at the two ends of the frame body (1) in a suspended state, and the middle part is provided with a support frame device (6) and an opening device (7). When in use, the poultry's claws, wings, head and mouth Corresponding to the fixed operation, blood vessels are cut open for bloodletting; the bottom of the frame body (1) is equipped with a mobile collection device (8), which is connected with the support frame device (6); the end of the stretching device (5) is provided with a semi-circular wing protection device (9), the connecting part is made of soft material; the design of the appearance structure is novel, not only can effectively fix the moving parts of the poultry, but also can cut the throat and bleed blood, which improves the integrity compared with the traditional mode, is simple to operate, and has strong practicality sex.

The invention belongs to the technical field of Hu-sheep acid discharge and particularly relates to an acid discharge process for Hu-sheep mutton. The process comprises the steps of carrying out vacuum bloodletting, preliminary acid discharge, oil spraying treatment and secondary acid discharge, electrically fainting Hu-sheep during not response, carrying out vacuum bloodletting dying, massaging the sheep frequently, hanging the bloodletting-died Hu-sheep in an acid discharge room for preliminary acid discharge, adding the mutton subjected to preliminary acid discharge into an oil spraying device, carrying out spraying and air drying, winding and tightly wrapping the mutton with oil films with preservative films, then, tightening the two ends of each preservative film, then, hanging the mutton in the acid discharge room for secondary acid discharge, and sprinkling the mutton with cool water during acid discharge. According to the process, the Hu-sheep is placed into the oil spraying device during the oil spraying treatment, oil spraying and air drying are carried out in the oil spraying device, the oil-sprayed Hu-sheep are not required to be air-dried independently, thus, steps of the process are reduced, the time for acid discharge is shortened, then, moisture evaporation is reduced, the taste of products is improved, and propagation of bacteria is reduced.

The invention discloses a precise positioning device for horseshoe head bloodletting. The precise positioning device for horseshoe head bloodletting comprises rubber shells, an iron shell, a mountinggroove, a sliding track, a sliding block, an iron ring pipe and an iron nail. The two sides of the iron shell are fixedly connected with the rubber shells, the mounting groove is formed in the middleof the iron shell, a sliding track is arranged on the lower bottom surface of the mounting groove, a sliding groove is formed in the upper bottom surface of the mounting groove, the sliding block is arranged between the sliding groove and the sliding track, the iron ring tube is fixedly connected to the middle of the sliding block, and the iron nail is connected into the iron ring pipe in an inserted mode. The precise positioning device for horseshoe head bloodletting has the beneficial effect that the bloodletting position is accurately positioned, damage to a horseshoe is reduced, and meanwhile, the stress response when the horse is subjected to bloodletting is reduced, so that personnel safety is ensured, and the precise positioning device for horseshoe head bloodletting is mainly usedfor horseshoe head bloodletting treatment.

The present invention discloses a parallel-type poultry blood collecting device. The parallel-type poultry blood collecting device comprises a blood collecting groove with an upper opening; a turningcover is arranged on the upper opening of the blood collecting groove; the one side edge of the turning cover is hinged with the blood collecting groove; the other side edge is connected with a reverse sliding rod; a poultry head receiving port is formed between the reverse sliding rod and the upper edge of the blood collecting groove; a conveyor belt parallel to the blood collecting groove is arranged outside the blood collecting groove; and the conveyor belt and the reverse sliding rod are located on the same side of the blood collecting groove. The parallel-type poultry blood collecting device uses a semi-closed structure and can effectively prevent dust from falling into the blood collecting groove. The parallel collecting method ensures that feathers and feces cannot fall into the blood collecting groove, can effectively avoid the secondary pollution problem in the poultry blood collecting process, and improves blood quality. The parallel part uses the belt-type conveying device to avoid not thorough bloodletting caused by the phenomenon of the non-smooth movement to affect product quality. The reverse sliding rod prevents a longitudinal displacement of poultry heads to enableblood to scatter on the ground.

The invention discloses an ultralow-temperature before-shipboard-freezing tuna processing method. The method includes the following steps of hammering and stunning, brain medulla oblongata damage, spinal cord damage, tail cutting, bloodletting, seawater flushing, bowel opening, gill cutting, scrubbing, quick freezing at -60 DEG C and refrigeration at -60 DEG C. The step of bloodletting includes the substeps of lateral line bloodletting and heart and head arteries cut-off. The method has the advantages that by means of optimization of the shipboard tuna ultralow-temperature freshness retaining technology, especially optimization of the before-freezing processing mode, tuna subjected to freezing storage can be controlled on the quality and safety aspects of appearance, colors, freshness and the like, and therefore value of commodities is improved. Autonomic nerves in tuna are broken during spinal cord processing, autonomic nerve systems control muscle movement of fish on surface layers of oceans, autonomic nerves are not damaged during brain medulla oblongata processing, and accordingly lactic acid accumulation and ATP degradation are relatively rapid.

The invention discloses continuous transportation and bloodletting equipment for fish. The equipment comprises a clamping mechanism and a transportation mechanism, wherein water injection mechanisms are arranged above the transportation mechanism, and position-limiting mechanisms are arranged on one side of the transportation mechanism. The clamping mechanism is used to clamp a fish body that is cut through the artery, then the clamping mechanism is placed on the transportation mechanism, when the clamping mechanism moves below the water injection mechanism with the transportation mechanism, the position-limiting mechanism is used to fix the clamping mechanism below the water injection mechanism, and at this time, the water injection mechanism penetrates into the fish body to perform punching-type water injection on the fish body to cleanly flush the blood from the fish body. With the equipment, mechanization of fish body bloodletting is realized, the production efficiency is improved,at the same time, blood water in the fish body can be fully discharged out of the fish body, and thereby the freshness of the fish meat and the taste of the fish meat are improved. In summary, the equipment overcomes the problems that bleeding of the fish by the existing manual operation can easily cause that the bleeding is not completely, the freshness and taste of the fish meat is affected, and the working efficiency is low.

The invention belongs to the technical field of food processing, and particularly relates to a preparation process of soup-pickled perches. The preparation process of the soup-pickled perches comprises the following steps: (1) bloodletting a live perch, and cutting on the jaw of the perch by using a cutter; (2) after completion of the bloodletting, putting the cut perch into clear water for soaking and cleaning; (3) after completion of the cleaning, carrying out rough machining so as to have scales, gills and internal organs removed, and carrying out washing with clean water; (4) carrying outpickling, namely putting the washed perches into a salt water tank so as to have the perches pickled for 48-56 hours, putting a pressing plate on the water surface of the salt water tank during the pickling process so as to ensure that all the perches are under the water surface, and then, fishing out the perches; (5) soaking the perches in clear water for 14-16 hours, and fishing out the perches;(6) thoroughly washing the soaked perches with clear water, and thoroughly freezing the washed perches by using an instant freezer; and (7) hanging ice coats on the frozen perches, and carrying out packaging and vacuuming. The soup-pickled perches prepared by the preparation process can be stored for a long time with original taste and flavor of the perch meat maintained.

The present invention discloses a pretreatment process for the production of duck products, and the pretreatment process includes the following steps: 1) duck delivery: ducks are hung on a chain by a duck hanging bat, and the ducks are transferred to the anesthetic room; 2) duck anesthesia: the ducks are stun by an electrical stunning machine in the anesthetic room, and the ducks are transmitted to the bloodletting room; 3) duck bloodletting: the ducks are subjected to bloodletting, and the ducks are transmitted to the cleaning room; 4) duck cleaning: after bloodletting, the ducks are subjected to high temperature cleaning, and the cleaned ducks are put into a soup pot and soaked in soup. The technical scheme of the invention realizes a full pretreatment before the duck products enter the normal process flow, simplifies the subsequent processing and production, and improves the production efficiency.

The invention discloses a method for pickling fish. The method comprises the following steps: step 1: ripping live fish, bloodletting, cleaning and gutting; step 2: placing materials of a pickling recipe into a thermal insulation barrel, adding purified water, and keeping a water temperature below 0 DEG C; step 3: pickling the fish for six hours, and turning the fish over once every two hours during pickling; and step 4: after the fish is pickled well, quick-freezing and packaging the fish. By adopting the method disclosed by the invention, the pickling time is short, and the pickled fish can keep the flesh quality of fresh fish, has good taste, is convenient to cook, and is suitable for large-scale promotion.

The invention discloses a peripheral blood sampling device and its control method, control device and storage medium. The peripheral blood sampling device includes a needle box, a blood lancing mechanism, a driving mechanism and a distance detection device. The blood lancing mechanism includes a lancet, and the driving mechanism The control method of the peripheral blood sampling device for driving the translation of the lancet includes the following steps: based on the distance detection device, obtaining a distance parameter L from the lancet to the surface of the human body; when the distance parameter L is equal to the first distance preset value M1, The driving mechanism is controlled to drive the lancet to translate forward. The automatic disassembly and installation of the lancet can be realized, the operation of manual disassembly and assembly of the needle is omitted, the time for patients to wait for disassembly and installation of the needle is saved, and the work efficiency of blood glucose testing, pricking and bloodletting, and blood type identification is improved. Moreover, the unmanned and automated operation reduces the operational risk of manual replacement of the lancet, and avoids the medical hidden dangers of blood sugar testing, pricking bloodletting, and blood type identification.

The invention relates to the technical field of tilapia processing, in particular to a tilapia living body fishy smell removing method and equipment. The method comprises the following steps: 1) electric shock treatment of fresh tilapia; 2) tilapia flushing; (3) bloodletting and viscera removing and gill removing, (4) washing again, (5) tilapia soaking in a fishy smell removing solution, (6) vacuumizing, (7) water draining and ozone treatment. The method reduces the fishy smell of the tilapia through bloodletting, and fishy smell removing soaking is conducted to remove or hide the fishy smell,in order to improve palatability; and the vacuumizing can improve fishy smell removing effect.

The invention provides a disposable double-end bloodletting device for bloodletting therapy for treating ear gout, and relates to the technical field of medical equipment. The disposable double-end bloodletting device for the bloodletting therapy for treating the ear gout comprises a bloodletting tube, bloodletting needles are arranged at the two ends of the bloodletting tube, one ends of the two bloodletting needles are fixedly connected with connecting sealing sleeves, movable bloodletting assemblies are arranged on the sides, away from the bloodletting needles, of the two connecting sealing sleeves, and a limiting clamping assembly is arranged at the bottom of the bloodletting tube. The limiting clamping assembly comprises a movable vertical plate and a limiting square block. According to the disposable double-head bloodletting device for the bloodletting therapy for treating the ear gout, the use of the disposable double-head bloodletting device is safer, the practicability of the disposable double-head bloodletting device is improved, and the problems that at present, ear bloodletting is usually carried out through a disposable syringe, medical staff need to fix the disposable syringe with hands, and the bloodletting effect is poor are solved. In the prior art, medical staff are easy to injure themselves accidentally in the bloodletting operation process, so that the situation that patients or the medical staff are punctured is avoided.

The invention discloses a Mongolian medicine three-edged needle knee-eye acupoint acupuncture transparent model which comprises a knee joint model, a base and a Mongolian medicine three-edged needle;the bottom side of the knee-joint model is fixedly connected with the base; a knee-eye acupoint model is arranged in the middle of the knee joint model; the knee-eye acupoint model comprises a knee-eye cylinder, an electrifying ring and an electrifying sheet; the number of the knee-eye acupoint models is two. A plurality of electrifying rings are arranged in the knee eye cylinder at equal intervals; the peripheral wall of the electrifying ring is fixedly connected with the inner wall of the knee-eye cylinder; the bottom surface of the electrifying sheet is fixedly connected with the bottom surface of the knee-eye cylinder inner cavity; the electrifying ring and the electrifying sheet are electrically connected with the base. According to the invention, the Mongolian medicine bloodletting therapy teaching mold can be enriched, the practical ability and the execution ability of students in clinic are greatly improved after the students fully practice on the model in class, the Mongolianmedicine bloodletting therapy teaching mold is an indispensable teaching tool for converting theoretical knowledge into implementation ability, and clinical accidents are greatly reduced; by adoptingthe transparent simulation skin, students can visually observe the accurate position of the knee-eye acupoint, and the teaching effect is enhanced.

The invention relates to a medical device, namely a knife special for the Mongolian medicine blood-letting therapy. The knife is characterized by comprising a spindle long-strip-shaped knife blade, one end of the knife blade is provided with a sharp knife point, and a depth control boss extending outwards is arranged on the outer side of the lower middle of the knife blade. The knife has the advantages that the knife blade has the depth control function, so that the knife is convenient to use, the operating mode is high in consistency, and the effect is obviously optimized. On the basis, the functions of collecting blood collection, closing the wound in the whole process and the like are added, the blood processing difficulty and the wound exposure chance are greatly reduced, the safety is obviously improved, the pain of a patient is extremely small, and the knife is expected to be a preferred apparatus of the traditional Mongolian medicine blood-letting therapy.

The invention belongs to the technical field of food processing, and particularly relates to a preparation process of seasoned grilled perches. The preparation process of the seasoned grilled perchescomprises the following steps: (1) bloodletting a live perch, and cutting on the jaw of the perch by using a cutter; (2) after completion of the bloodletting, putting the cut perch into clear water for soaking and cleaning; (3) after completion of the cleaning, carrying out rough machining so as to have scales, gills and internal organs removed, and carrying out washing with clean water; (4) carrying out pickling, namely putting the washed perches into a salt water tank so as to have the perches pickled for 48-56 hours, putting a pressing plate on the water surface of the salt water tank during the pickling process so as to ensure that all the perches are under the water surface, and then, fishing out the perches; (5) soaking the perches in clear water for 14-16 hours, and fishing out theperches; (6) cutting the pickled perches into smaller pieces, and putting the cut perches into an air-drying machine room for air-drying treatment for 12-15 hours; (7) baking the air-dried perches for12-15 minutes by using an oven; and (8) carrying out packaging and vacuuming. The seasoned grilled perches prepared by the preparation process can be stored for a long time with original taste and flavor of the grilled perches maintained.

The technical field of fish treatment and processing equipment of the present invention is specifically related to a fish slaughtering equipment, especially a fish vertical tail cutting and bloodletting device, which includes a mounting frame, and a transmission device is suspended above the mounting frame along the horizontal direction. A tool is installed in the mounting frame below the conveyor, a position detection device is installed in the mounting frame between the feed side of the conveyor and the tool, and a vertical clamping device is installed in the mounting frame above the tool; The position detection device is used to detect the vertical position of the fish tail, and the cutter can adjust the vertical height according to the detected vertical position.

The invention discloses a safe and sterile bloodletting instrument used in a blood station and belongs to the field of blood station equipment. The instrument comprises a water bath tank, an inner bucket and bloodletting tubes, wherein a water inlet tube is arranged at the top end of the water bath tank; a water guide plate is arranged at the bottom end of the water bath tank in an inclined manner; a water outlet tube is arranged at the lowermost end of the water guide plate; a liquidometer is arranged on the inner wall of the top end of the water bath tank; a thermostat is mounted inside thewater bath tank; a temperature sensor is mounted on the inner wall of the water bath tank; the inner bucket is arranged inside the water bath tank; an ultraviolet sterilization lamp is arranged on theinner wall of the inner bucket; an obstructing block is arranged on the inner wall of the inner bucket; a partition plate is arranged on the obstructing block; a plurality groups of bloodletting tubeholding holes and needle bag holding holes are uniformly formed in the partition plate; bloodletting tubes are inserted into the bloodletting tube holding holes; and needle bags are detachably arranged in the needle bag holding holes. By adopting the instrument, skin muscle can be prevented from being irritated by cold syringe needles, a sterile internal environment is ensured, security of bloodletting can be improved, meanwhile, differences in later detection and the like caused by the situation that blood is affected by particularly low external temperatures can be avoided, and conveniencein bloodletting can be achieved.

The invention discloses a tendon activating therapeutic machine which comprises a telescopic driving device, a telescopic device and a hook needle, wherein the telescopic driving device is connected with the telescopic device through a pulling line, and the hook needle is mounted on a telescopic rod of the telescopic device; and the telescopic driving device pulls the telescopic rod of the telescopic device through the pulling device, so that the hook needle is driven to perform telescopic pulling motion. The tendon activating therapeutic machine has the benefits as follows: the tendon activating therapeutic machine is simple in structure, practical and easy to operate; the defects that the operation is inconvenient, and the force is not uniform and the like in the prior art are overcome; manual labor of a physician or an operator can be replaced; the therapeutic effect can be effectively improved; the therapeutic machine can be applied to treatment of various chronic diseases and difficult miscellaneous diseases; particularly the therapeutic machine has unique curative effects on infertility, gynecological diseases, spine diseases or diseases relevant to the spine and the like; the economic burden of a patient can be effectively relieved; and therapeutic effects of acupuncture, bloodletting, massage, catgut embedding, fat-excising, scar moxibustion and the like of a needle-pricking therapy can be greatly improved.

The invention belongs to the technical field of medical instruments, and particularly relates to a bloodletting device specially used for Mongolian medicine bloodletting therapy. A manner of opened bloodletting is adopted by a conventional bloodletting device, infection and contamination are easily caused by the opened bloodletting manner, blood which is let out is not quantified, treatment and diagnosis are affected, the bloodletting amount cannot be easily controlled, cruor in advance is easily caused, repeated puncturing is needed, and the treatment effect is affected resulting in the burden of a patient. The bloodletting device comprises a puncture needle, the puncture needle comprises a needle body and a needle handle, a valve is arranged in the middle of the needle handle, the valveis provided with a leading pipe, and the rear end of the leading pipe is connected with a draining bag. The draining bag comprises clamping plates and a side enclosure, and the clamping plates are provided with control adjusting devices. The bloodletting device is simple in structure and easy to use, the treatment process is fully closed and has no contamination and infection, the draining bag with a special structure is adopted, the draining bag is provided with two transparent clamping plates which are oppositely arranged to make the observation of bloodletting convenient, the bloodletting speed of bloodletting amount is controlled by matching with the valve, and a flexible bloodletting treatment scheme can be achieved.

The invention discloses a bloodletting pen, which is convenient to use, simple in design, safe and reliable. This bloodletting pen includes a pen body, a locking ring, a needle insert, the front end of the pen body is provided with a circular sleeve, the rear end of the cylindrical needle inserter is secured to the pen body by a locking ring, a needle insert is provided with a plurality of circular holes, the needle handle of the disposable needle is inserted into the round hole, the diameter of the round hole is larger than the diameter of the needle handle of the disposable needle, the outerwall of the needle inserter is provided with outwardly expanding fins, the number of fins is equal to the number of the round holes, the rear end of the fin is fixed on the rear end of the needle inserter and the rest of the fin is separated from the main body of the needle inserter, and the foremost end of the fin extends outwardly to form an outer edge.