68 results about "Curettage" patented technology

This invention relates to a periodontal instrument and curettage method for separating and removing calculus and diseased granulation tissue from the tooth surface and periodontal cavity in deep pockets greater than 10 mm. The invention is comprised of a straight shaft, a distal portion in parallel orientation with and terminating in a spoon-shaped blade with a rounded tip and continuous sharp edge. The approximate 90 degree angle orientation between the distal and proximal shank portions, rounded blade tip, and parallel alignment of the blade face relative to the distal shank portion enhance maneuverability, accessibility, and efficiency and minimize tissue trauma during periodontal curettage.

The present invention is a method of non-invasive treatment of periodontal disease using ultrasonic waves. The treatment involves placing a tray, covering a metal fork, over the arch intended to be treated. The tray holds the metal fork to the teeth and gingival surface. The metal fork is connected to at least one ultrasonic transducer, which is in turn connected to a control unit that controls the delivery of ultrasonic energy. Both upper and lower arches can be treated simultaneously. The tray(s) may be filled with a therapeutic gel or the patient's own saliva maybe permitted to fill the tray and serve as a conductive gel. The ultrasonic waves, both alone or with a therapeutic gel, and heal the diseased tissue without surgery or curettage. Treatment may be repeated as needed or it may be used as a preventative measure with lesser treatment time.

The invention discloses a method for obtaining human endometrial mesenchymal stem cells from curettage samples, which comprises the following steps: 1) mixing artificial abortion products and collection liquid according to the volume ratio of 1:0.9-1.1; obtaining curettage samples; 2 ) Separation and culture of endometrial stem cells: after the curettage sample is incubated on a shaker, it is filtered; the filtrate is obtained; then the fragmented tissue and monocytes in the blood are collected by density gradient centrifugation; then the cells are cultured, expanded and Purification; 3) After the P1 generation cells obtained in the above steps covered the bottom of the bottle, digest the cells with trypsin to collect the cells, resuspend the cells with pre-cooled freezing solution to obtain a cell suspension, and freeze the above cell suspension, The resulting frozen samples were stored in liquid nitrogen storage tanks. The method of the invention can obtain target cells with high purity and large quantity, that is, endometrial stem cells.

The invention relates to an adjustable fistula channel curettage device applied to normal anorectal diseases like anal fistula; the adjustable fistula channel curettage device employs circumferential telescopic scrape teeth; a handle is rotated so as to finish a whole fistula channel curettage process; the whole curettage device comprise a head, a body, the handle, and a turn button; the head of the curettage device employs umbrella folding expansion design, and can be adjusted according to the fistula channel sizes; the curettage device body comprises an outer sleeve, a middle layer hidden curet and an inner shaft; the handle is made of medical high-molecular plastic, and the outer layer of which is made of natural rubber, thus complying with human body mechanics design, and the handle is easy to hold; the turn button is made of stainless steel material, and can be tightly combined with the inner shaft of the body, thus realizing accurate adjustments.

The invention relates to a traditional Chinese medicine combination for treating gynaecological hemorrhagic disease, belongs to the traditional Chinese medicine field. The invention is characterized in that the traditional Chinese medicine combination is made from raw ingredients by weight parts as follows: Prepared Nutgrass Galingale Rhizome is 8 to 25 parts, typha orientalis stir-fried with vinegar is 5 to 20 parts, Myrrha Preparata is 8 to 20 parts, panpax notoginseng is 3 to 15 parts, stir-frying bitter orange is 8 to 20 parts, leonurus japonicus is 8 to 25 parts, and agrimony is 8 to 25 parts. The invention has the efficacies of thoroughfare regulating as well as hemostasia, and blood stasis and detoxication dissolving. The traditional Chinese medicine combination is mainly used for dysfunctional uterine bleeding, blood menostaxis, excess menstrual blood, postpartum lochiorrhea, the uterine bleeding caused by curettage, intrauterine device and induced labor, hysteromyoma, and vaginal bleeding caused by cervical erosion. The traditional Chinese medicine combination can achieve hemostasia purpose on various syndromes of deficiency complicated with excess.

The invention discloses a Chinese herbal preparation for treating uterine bleeding after drug abortion, which is made from following raw materials in weight proportion: 2 to 6 parts of astragalus root, 1.5 to 4 parts of agrimony, 0.9 to 2 parts of Chinese angelica, 2 to 4 parts of leonurine, 0.3 to 0.9 part of powdered notoginseng root, 1.5 to 3 parts of portulaca, 1 to 3 parts of redroot gromwell root, 0.8 to 2 parts of aspidium, 0.6 to 2 parts of bitter orange and 0.6 to 2 parts of dried rehmannia root. The invention integrates the functions of Qi supporting and blood enriching, muscle regeneration and hemostasis and heat clearing and blood cooling and cures uterine bleeding after drug abortion with safety, reliability and without pain and can obviously increase complete abortion rate and reduce bleeding quantity of the uterine to shorten bleeding time and avoid twice curettage.

The invention relates to the technical field of medical instrument manufacturing, in particular to a gynecological curettage device. The gynecological curettage device is provided with a curettage spoon and a driving handle. The gynecological curettage device is characterized in that a medicine guide tube is arranged at the back of the upper end of a spoon body of the curettage spoon, one end of the medicine guide tube extends to the edge of the front end of the spoon body of the curettage spoon, and a medicine outlet is formed in the end of the medicine guide tube; the other end of the medicine guide tube is sequentially attached to the back of the upper end of the spoon body of the curettage spoon, the back of the upper end of the driving handle, and abuts against the tail end of the driving handle; and the end, abuts against the end of the driving handle, of the drug guide tube is connected with a drug injection tube which is connected with an extrusion air bag through an air duct.A rotating rod is arranged in the lower end of the spoon body of the curettage spoon, a pressing liquid suction ball is arranged at the front end of the rotating rod, and liquid suction holes are formed in the pressing liquid suction ball; the liquid suction holes communicate with each other and communicate with a liquid suction tube arranged inside the rotating rod; a liquid guide rod is arrangedat the rear end of the rotating rod, and a liquid guide tube is arranged in the liquid guide rod; and a fixing ring is arranged on the driving handle, and a liquid receiving tube is arranged at the tail end of the liquid guide rod. The gynecological curettage device has the advantages of alleviating pain of patients and preventing cross infection.

The invention relates to electrocoagulation irrigation and suction apparatus. The electrocoagulation irrigation and suction apparatus comprises a handle; a conductive rod is arranged at the front endof the handle; the periphery of the conductive rod is sleeved with an insulating tube; an electrocoagulation working head is arranged at the front end of the conductive rod; the electrocoagulation working head stretches out of the front end of the insulating tube; a suction and irrigation device as well as an electrocoagulation and electrosection device are provided inside the handle; the conductive rod is hollow; a conducting part connected with the electrocoagulation and electrosection device as well as a connecting part connected with the suction and irrigation device are provided at a rearend of the conductive rod; the conducting part is arranged between the connecting part and the insulating tube; and the conducting part is electrically connected with the electrocoagulation and electrosection device. By adopting the above technical scheme, the electrocoagulation irrigation and suction apparatus integrates electrocoagulation, irrigation and suction, so that single-hand operation is facilitated, thereby saving combination of hands and feet or two-handed operation; and thus, surgical operation becomes more convenient with operative risks reduced. Moreover, operation is carried out by adopting the same conductive rod, so that double rods are not required; and thus, sight blocking is not caused, so that "curettage and aspiration" operation becomes more convenient.

The invention relates to the technical field of medical instruments and discloses a curettage instrument for the gynecology department. The curettage instrument comprises a grip, a movable plate, a movable rod, an operating rod, a cushion mechanism, a spoon and a slide slot, wherein the movable plate is movably connected to the inner cavity of the grip, the movable rod is fixedly connected to thetop of the movable plate, the operating rod is fixedly connected to the top end of the movable rod, the cushion mechanism is fixedly connected to the top end of the operating rod, the spoon is fixedlyconnected to the top of the cushion mechanism, and the slide slot is formed on the surface of the grip. With the arrangement of the grip, the movable plate, the movable rod, the operating rod, the spoon, the slide slot, a clamp block, a telescopic rod, a clamp plate, a connecting rod, a handle, a lock ring and a second reset spring, extension length of the operating rod can be regulated; with thearrangement of the cushion mechanism, a first reset spring and a silicone sleeve, a cushioning effect is achieved, patients' suffering can be relieved, and bacterial infection can be prevented and avoided.

The invention belongs to the technical field of medicine, and relates to a traditional Chinese medicine for treating vaginal bleeding after medical abortion. The traditional Chinese medicine is prepared from the following raw materials in parts by weight: 9-15 parts of Panax ginseng, 20-28 parts of Angelica sinensis, 6-12 parts of Ligusticum chuanxiong, 3-9 parts of Semen Persicae, 2-4 parts of dried ginger, 2-4 parts of processed radix glycyrrhizae, 20-28 parts of Agrimonia pilosa, 20-28 parts of lotus rhizome node, 9-15 parts of Hibiscus rosa-sinensis flower, 7-13 parts of Radix Rubiac Cordifoliae, 6-12 parts of Fineleaf Schizonepeta Herb, 7-13 parts of Paeonia suffruticosa bark, 7-13 parts of ass-hide glue, 2-4 parts of Squama manitis, 3-9 parts of parched Vaccaria segetalis, 3-9 parts of Radix Arnebiae, 3-9 parts of Scrophularia ningpoensis, and 2-4 parts of Panax notoginseng powder. According to clinical trial results, the cure rate is 82.0% and the total effective rate is 98.0% in the observation group of the traditional Chinese medicine provided by the invention, which are both significantly higher than the cure rate (62.5%) and the total effective rate (81.3%) in the control group, with significant difference (P<0.05), the vaginal bleeding period is short, and proportion of the complete curettage of uterine cavity is low.

The invention discloses a dilatation and curettage device for obstetrics department. The dilatation and curettage device comprises a handle, a curettage spoon, a curettage strip, and a connecting strip, wherein the handle adopts a flat rod structure; the curettage spoon adopts a spoon structure and is fixed to the end tail of the handle; the curettage strip adopts a strip structure formed by flexible materials; one end of the curettage strip is fixed to the end away from the handle, of the curettage spoon, and the other end of the curettage spoon extends in the direction approaching the handleand crosses the protruding surface of the curettage spoon; the connecting strip is in sliding joint to the end surface on the same side of the protruding surface of the curettage spoon, of the handle, one end of the connecting strip is rotatably connected to the other end of the curettage strip, and the other end of the connecting strip extends to the end away from the curettage spoon, of the handle; a plurality of first positioning sleeves which are arranged in the axial direction in a spaced manner are arranged corresponding to the connecting strip, of the handle; the connecting strip sequentially penetrates through the first positioning sleeves, and the connecting strip slides in the axial direction of the handle to drive the curettage strip to be partially jointed to the protruding surface of the curettage spoon or drive the curettage strip to bend and deform, so that a gap is formed between the curettage strip and the protruding surface of the curettage spoon; and besides, a first operation cylinder and an expansion mechanism are also arranged to enable the dilatation and curettage device for obstetrics department to be suitable for more surgery operation situations; and thescheme of the dilatation and curettage device for obstetrics department is reliable in implementation and flexible in operation.

The invention discloses a novel gynecological dilatation and curettage device capable of preventing cross infection, which comprises a scraper, an equipment box, and a control pedal, the scraper comprises a handle, a flexible rod, and a scraper sleeve, the interior of the handle is of a hollow structure, a slideway is arranged in the handle, the flexible rod is fitted in the slideway of the handle, one end, which is located in the slideway, of the flexible rod is connected to the internal wall of the handle through an electric retractable rod, ultraviolet sterilizing lamps are arranged on bothsides of the slideway in the handle, the scraper sleeve is fitted at the front end of the flexible rod, and a scraper head is fixedly arranged at the front end of the scraper sleeve. The novel gynecological dilatation and curettage device capable of preventing cross infection adopts a silvered metal wire as a dilatation and curettage instrument, and can automatically sterilize and disinfect the part, which gets into the body of a patient, of the instrument, effectively preventing cross infection, and moreover, the site of dilatation and curettage can be automatically washed, preventing autogenous infection.

The invention relates to the technical field of medical instruments, in particular to a sputum collection device which comprises a case, a negative pressure air suction mechanism is arranged in the case and communicated with a liquid storage bottle, the liquid storage bottle is communicated with one end of a transition pipe, the other end of the transition pipe is communicated with a sputum suction pipe, and a diaphragm cover is arranged on the sputum suction pipe; a self-heating module is arranged on the pipe wall of the sputum suction pipe, and a scratching head capable of expanding and shrinking is arranged at the head end of the sputum suction pipe; the tube wall of the sputum suction tube is further provided with a hollow air channel, and the front end of the sputum suction tube is communicated with a curettage head. The transition tube is communicated with the sputum suction tube through a middle rotating head; the instant suction force is large, the sputum suction tube can be at the temperature making the respiratory tract of the human body comfortable, the discomfort of a patient is relieved, and the situation that internal matter flows unsmoothly due to the fact that the tube is too cold is also prevented; the head end of the pipeline generates stimulation to promote the patient to perform effective cough action and stir away sputum; the diaphragm cover can prevent sputum or other foreign matters in the body of the patient from splashing out, so that the health of an operator of the device is guaranteed.

The invention relates to a traditional Chinese medicine for curing curettage amenorrhea. The traditional Chinese medicine is prepared from the following medicinal materials in ratio by weight: 12 parts of anaphalis lacteal, 12 parts of angelica sinensis, 6 parts of wintersweet, 6 parts of turmeric, 10 parts of rehmannia glutinosa, 9 parts of paraphlonia, 12 parts of murraya paniculata and 6 parts of peristrophe japonica. Experiments prove that the traditional Chinese medicine can safely and effectively cure the curettage amenorrhea.

The invention discloses a shaping direct-viewing curettage device for induced abortion. The curettage device includes a curettage mechanism, an observation mechanism, a circuit, a negative pressure suction mechanism, an operating rod and a shaping mechanism. The shaping mechanism can adjust the angles and directions of the front end of the operating rod so as to adapt different uterine shapes andpositions. Through the technical scheme of a rear arranged camera, a diagnostic curettage device can be completely in the field of view of the camera, so that full visibility can be realized during operation, and observation dead zones can not exist. Meanwhile, the operation dead zones of the diagnostic curettage device can not exist due to the shielding generated by the height of a lens module; embryonic tissue implanting at any positions in the uterus can be completely removed, especially near the outlet of the fallopian tube which is the implantation position at the bottom of the uterus; and the diagnostic curettage device can also remove the embryonic tissue easily, so that the diagnostic curettage device is safer and more efficient during clinical using. A direct-viewing curettage system for induced abortion is also disclosed. The curettage system including the curettage device can perform operation under the real-time displaying of a display system, so that accurate, safe and efficient abortion operation can be realized.

The invention relates to the technical field of medical instruments, in particular to a balloon for removing stone from a bile duct. The balloon for removing the stone from the bile duct comprises a catheter body, wherein an inflatable main balloon is arranged at one end of the catheter body, and an inflatable auxiliary balloon is arranged on one side of the main balloon. The auxiliary balloon is added to one side of the main balloon, and the main balloon can be bent at a certain angle after the auxiliary balloon is inflated with air, so that the balloon can more smoothly pass a corner of the bile duct or a part of blocked bile duct, the bent balloon can perform gentle curettage on part of stone tightly combined with the bile duct, and the balloon has better flexibility while compared with existing stone-removing balloons, and can more comprehensively and carefully perform searching and stone removal operation on the bile duct. Multiple testes by the inventor prove that bending of the balloon doesn't mean that the larger the bending angle is, the better the effect is; when the main balloon bends outwards to form the 60-degree radian, the balloon can more easily pass the bile duct and can be flexibly controlled according to the shape of the corner of the bile duct or part of the blocked bile duct, the stone can be removed completely, and friction to the wall of the bile duct can be reduced as far as possible.

A biliary tract suction curette is disclosed, including an outer sheath, a push rod and a curette head. The outer sheath has a vertically through tubular structure. The lower part of the outer sheathis threadedly connected with a sealing cover. The center of the sealing cover is provided with a perforation. The push rod has an inner hollowed rod-like structure. The upper part of the push rod passes through the perforation of the sealing cover and extends into the outer sheath. The push rod and the outer sheath are coaxially arranged. The lower part of the outer sheath is connected with a negative pressure suction connecting joint. The curette head is connected to the upper end of the push rod. The curette head includes an inner core and four curved support rods. The inner core is coaxially inserted in the push rod. The inner core has an inner hollowed rod-like structure. The outer diameter of the inner core is equal to the inner diameter of the push rod. In summary, the invention is adevice dedicated for removing stones attached to the wall in a biliary tract. When the stones are removed, curettage is performed by curettage pieces on the support rods, the inner core is filled with water for flushing, and a negative pressure suction exists between the inner core and the outer sheath for suction, which can play a good role in removing the sediment-like stones attached to the wall in the biliary tract.

The invention provides application of manganese benzoate porphyrin in a preparation of a medicine for promoting diabetic corneal injury healing. In the application provided by the invention, the manganese benzoate porphyrin can release the mitochondrial DNA from the injury of the oxidative injury by playing the antioxidant free radical function, thereby playing the effect of healing diabetic corneal injury. The experiment proves that the manganese benzoate porphyrin (MnTBAP) can effectively inhibit the hyper-glucose group TKE2 cell ROS level, and can effectively improve the hyper-glucose induced TKE2 cell mitochondrial function dysfunction. In the STZ induced diabetic mice, a certain dosage of MnTBAP is injected under the conjunctiva after establishing a corneal epithelium curettage injury model, thereby effectively inhibiting the concentration of mice corneal epithelium ROS and inhibiting the 8-OHdG expression; and meanwhile, the GSH level of the corneal epithelium antioxidant and free radical scavenger of the diabetic mice can be improved, and the corneal epithelium injury healing of the diabetic mice is promoted.

The invention belongs to the technical field of medical instruments, and discloses an auxiliary sharpening device for a periodontal curettage device. The auxiliary sharpening device for the periodontal curettage device comprises a handle and a polishing shell, the handle and the polishing shell are connected and perpendicular to each other, and the interior of the handle and the interior of the polishing shell are communicated to serve as a device body; the positioning mechanism is arranged in the handle and used for fixing a machining station of the scraping device and providing an adjusting function; and the grinding mechanism is arranged in the grinding shell and used for grinding the head of the scraping treatment device. According to the auxiliary sharpening device for the periodontal curettage device, grinding and polishing of the curettage device can be achieved at the same time, stable positioning of the curettage device and adjustment of the angle of a machining face can be achieved, a storage battery is adopted for power supply, and the auxiliary sharpening device is small, exquisite, compact, portable, easy to operate and beneficial to cost control.

The invention discloses an airway opening device for gynecological uterine cavity surgery operation. The airway opening device comprises a base, a two-way air pump, a I stepping motor, a driving gear,a rack plate, a seat plate, a II stepping motor, a rotating shaft, a backrest, a lifting rod, a headrest, a restraining strap, an adjusting sleeve, a raising air cushion, a connecting air tube, a fixing sleeve, a rotating sleeve, a telescopic rod and a lower limb supporting plate. Firstly, through a neck inflatable opening mechanism, head area and neck area of a patient who is subjected to painless induced abortion, painless intrauterine device removal, painless curettage and the like are leaned back by a medical staff conveniently, a good airway opening effect is achieved, the blood oxygen saturation of the patient is improved, and the safety and comfort of the patient are ensured; secondly, through the sliding adjustment design, the medical staff can adjust the adaptability convenientlyaccording to the height of the patient; and finally, the effective raising restraint on lower limbs of the patient can be achieved, and a lower body surgery area of the patient is well exposed. In summary, according to the airway opening device, the operation of an existing gynecological uterine cavity surgery is realized, good popularization and application value is achieved.

The invention discloses a curettage device for obstetrics and gynecology, and belongs to the field of clinical tools for obstetrics and gynecology. The curettage device comprises a cylindrical casing, an arc baffle, a curettage spoon, a rotating shaft, a winding wheel, a pull rope, a connecting rod, a first connecting handle and a second connecting handle, wherein an opening is formed in the upper side of the casing, and the curettage spoon is fixed at the opening; one end of the first connecting handle is connected with the casing of a curettage device main body; one end of the second connecting handle is in threaded connection with the end, away from the casing, of the first connecting handle, and the other end is in threaded connection with a threaded rod. The cylindrical curettage device main body can reduce stimulation to the inner wall of the uterus when being inserted, the opening is formed in the curettage device main body, tissue can be scraped into the opening, the opening can be closed by the arc baffle, the scraped tissue can be effectively prevented from falling into the vagina during withdrawal, the size of the opening can be adjusted by adjusting the opening degree of the arc baffle, each scraping amount can be reduced, and too deep scraping is avoided, so that the curettage is safer and postpartum recovery is facilitated.

The invention discloses a curettage medicine composition for dairy cattles, comprising the following components by weight: 3 parts of semen arecae, 2.5 parts of radix paeoniae rubra, 3 parts of ligusticum chuanxiong, 8 parts of endothelium corneum gigeriae galli, 1 part of radix glycyrrhizae, 25 parts of herba leonuri, 3 parts of flos carthami, 10 parts of hawthorn, 4 parts of medicated leaven, 2.5 parts of dried radix rehmanniae, 2.5 parts of rhubarb, 3 parts of radix bupleuri, 3 parts of herba epimedii, and 6 parts of gypsum. The curettage medicine significantly treats postpartum persistent flow of lochia, accelerates involution of uterus and achieves the purposes of removing uterus waste and stopping bleeding.

The suction and curettage device comprises an extending rod and an acting head arranged at one end of the extending rod, a negative pressure cavity is formed in the acting head, a suction inlet communicated with the negative pressure cavity is formed in the acting head, a negative pressure pipeline communicated with the negative pressure cavity is arranged in the extending rod, one end of the negative pressure pipeline is communicated with the negative pressure cavity, and the other end of the negative pressure pipeline is communicated with the acting head. The other end of the negative pressure pump is connected with external negative pressure equipment and is used for providing a negative pressure environment for the negative pressure cavity so as to suck the tumor into the negative pressure cavity; a scraping mechanism is arranged in the negative pressure cavity and used for scraping a tumor sucked into the negative pressure cavity. In conclusion, the technical scheme has the following beneficial effects that the acting head extends into a tumor body through the extending rod, external negative pressure equipment sucks the tumor body into the negative pressure cavity from the suction inlet through the negative pressure pipeline, and then the tumor body in the negative pressure cavity is scraped through the scraping mechanism; according to the scheme of firstly sucking and then scraping, the scraped tumor can be ensured not to remain in the body, and the problem that the tumor cannot be cleaned up is solved.

The invention discloses a periodontal curettage device. The periodontal curettage device comprises a curettage device body and a sharpening apparatus; the curettage device body is composed of a handle, an upper inner circumferential scraper, an outer circumferential scraper, an inner circumferential scraper connecting body, an outer circumferential scraper connecting body and a locking knob; one end of the handle is hinged to the inner circumferential scraper connecting body; the inner circumferential scraper connecting body can rotate relative to the handle, so that periodontal curettage on the left side and the right side is achieved; locking is achieved through the locking knob; the other end of the handle is fixedly connected with the outer circumferential scraper connecting body; thefront end of the inner peripheral scraper connecting body is fixedly connected with the inner peripheral scraper; the inner peripheral scraper is used for curettage of the inner sides of the teeth andthe upper and lower teeth; the front end of the outer circumferential scraper connecting body is fixedly connected with the outer circumferential scraper; the outer circumferential scraper is used for curettage of the outer sides of the teeth and the upper and lower teeth; the sharpening apparatus is composed of a supporting apparatus, a cooling apparatus and a grinding wheel; and two annular grooves are formed in the circumference of the grinding wheel. The periodontal curettage device is simple in structure, can be used for periodontal curettage in all directions, is convenient to use, andis convenient to sharpen.

The invention discloses a cervical canal inner membrane and tissue substance scratching and collecting device, and the device comprises an operating rod, wherein a curettage head is arranged at the top end of the operating rod, and a first protrusion is arranged in the middle of the operating rod; a sliding block which is coaxially arranged on the operating rod and located below the first protrusion, wherein the sliding block is matched with the first protrusion; and scratching strips, wherein the two ends of each scratching strip are connected with the curettage head and the sliding block respectively, and the number of the curettage strips is not less than two. The device is simple in structure, easy to operate, low in cost, free of harm to human organs and suitable for being used in diagnosis and examination of women of various age groups.

The invention relates to the technical field of medical equipment application, in particular to a negative pressure curette for surgical debridement. The negative pressure curette comprises a handle of a hollow structure, a curette handle of a hollow structure and a curette head; the handle is connected with a negative pressure suction pipe; the negative pressure suction pipe communicates with the curette handle; the side wall of the handle is connected with a negative pressure valve; the negative pressure valve is connected with the negative pressure suction pipe; and the bottom part of the handle is connected with two illuminating lamps oppositely arranged. According to the negative pressure curette, a traditional solid curette is changed into the curette of the hollow structure; the negative pressure suction pipe is connected onto the handle; necrotic tissue can be sucked away in time through the negative pressure suction pipe during curettage operation, and deep infected tissue difficult to remove through washing and wiping is sucked out, thus avoiding that the infected tissue spreads to the deep part to enlarge the pollution area; meanwhile, the operation speed is increased, the surgery efficiency is improved, and the negative pressure curette can be popularized in all levels of medical institutions.

The invention belongs to the technical field of medical devices, and discloses a gynecological curettage device with a pre-examination function for gynecological diseases. The device comprises a curette, a elastic buffer member, an operating rod, a positioning device, a handle and a liquid taking device; and the curette is connected to the elastic buffer member by a hollow screw, the elastic buffer member is connected to the operating rod by the hollow screw, the positioning device is located on the operating rod, the operating rod is connected to the liquid taking device by the hollow screw or is connected to the handle by a bolt, the outer end of the liquid taking device is communicated with a liquid aspirator, and the inner side of the liquid aspirator is filled with a pre-examination detection reagent. According to the present invention, a drainage tube is arranged inside a traditional curettage device for deriving body fluids for pre-examination, the operation difficulty of doctors is reduced, the pain of patients is reduced, and the device is simple in structure, convenient to use, easy to produce and suitable for popularization and application; and the detection operation is simple, no special equipment is needed, the detection time is at most two minutes, and the cost of used reagents is low, about 20-30% of other examinations.