43results about How to "Less prone to infection" patented technology

The invention relates to an elastic skin expander, a skin traction system of the elastic skin expander and a hook rod fixing system of the elastic skin expander. The elastic skin expander is clinically applied to the orthopedics department and the plastic surgery department and can is adjustable in pressure. The hook rod fixing system comprises an adjusting component and a fixing hook device, wherein the adjusting component comprises a screwed rod, a wheel-fixing nut, a pressure-adjusting component, a pressure-adjusting spring, a slide casing pipe and a fixing nut; the pressure of the pressure-adjusting component applied to the pressure-adjusting spring is read through a slide casing pipe pressure scale meter under the matching between the pressure-adjusting component, the pressure-adjusting spring and the slide casing pipe; the fixing hook device is arranged between the slide casing pipe and the fixing nut and comprises a body part and a hook part which are connected through screw threads or connected in a fastening way or integrally molded.

The invention discloses a bone malformation correction or fracture reduction and fixation device and a method for processing the same. The bone malformation correction or fracture reduction and fixation device comprises external fixation brackets or one and more external fixation plates, wherein the external fixation brackets or the external fixation plates are used for fixing fixation needles inserted into the bone tissues; at least one end of each fixation needle is exposed outside the skin, and the exposed end of the fixation needle needs to be fixed; the external fixation brackets consist of a first fixation bracket and a second fixation bracket; the external fixation plates are used for fixing all the fixation needles inserted into the bone tissues needing to be fixed. The method for processing the bone malformation correction or fracture reduction and fixation device comprises the following steps of: (1) collecting the information of an image before reducing the bone; (2) reducing the bone virtually by using a computer; (3) designing the structure of the bone malformation correction or fracture reduction and fixation device; and (4) processing the bone malformation correction or fracture reduction and fixation device. The bone malformation correction or fracture reduction and fixation device provided by the invention has a function of automatically reducing the bone, is reasonable in structure, has a good bone fixing effect and can be used for effectively overcoming the defects of difficult bone malformation correction or fracture reduction, complex operation on malformed or fractured bone and excessive dependence on the clinical experience of a doctor of the existing bone malformation correction or fracture reduction and fixation mode.

The invention relates to a production method of a porous sponge or film for human serum albumin. The production method comprises the following steps: dissolving the human serum albumin into buffer solution with pH of 7.0-10.0, slowly adding glutaraldehyde, and adjusting the concentration of the glutaraldehyde to obtain human serum albumin gels with different degrees of cross linking; cleaning the gels to remove the buffer solution in the gel, infiltrating by 5-30% of glycerin or 5-30% of glycerin solution containing thrombin, freezing and drying to obtain the porous sponge or film for the human serum albumin containing or not containing the thrombin. According to the method provided by the invention, the prepared porous sponge or film for the human serum albumin can absorb blood on a surface of the wound to form a coagulation net rack through a porous structure thereof, so that the blood is stopped quickly; meanwhile, the production method has the characteristics of free antigenicity, good biocompatibility and ability of degrading, simulating cell division and promoting union, and has remarkable progress compared to the conventional medical materials.

The invention provides a multifunctional elbow joint replacement prosthesis which comprises a humerus assembly, an ulna assembly, a radius assembly and a pin shaft assembly. The humerus assembly comprises a humerus handle, a yoke and a capitulum humeri. The ulna assembly comprises an ulna handle, an ulna neck and an ulna head. The radius assembly comprises a radial head and a radial bone marrow needle. The pin shaft assembly comprises a pin shaft outer nail of a hollow barrel structure and a pin shaft inner nail inserted into the pin shaft outer nail. One end of the pin shaft inner nail is provided with an anti-disengagement piece used for preventing the whole pin shaft inner nail from entering the pin shaft outer nail. The other end of the pin shaft inner nail is provided with a locking piece. The pin shaft assembly enables the ulna assembly to pivot around a shaft and fixes the capitulum humeri to a first convex lug. The multifunctional elbow joint replacement prosthesis accords with human body daily behavior movement characteristics, has the good stability and safety, can achieve partial replacement or whole replacement, improves biocompatibility with the sclerotin, and is not likely to cause looseness or infection or instability or other complications and long in service life.

The invention discloses an exosome and hyaluronic acid combined wound dressing, and a preparation method and application thereof. The wound dressing is formed by wrapping mesenchymal stem cell exosome with hyaluronic acid hydrogel, and the hyaluronic acid hydrogel is obtained by repeatedly freezing and unfreezing a hyaluronic acid aqueous solution and then cross-linking the hyaluronic acid aqueous solution with carbodiimide hydrochloride and adipic dihydrazide. Correspondingly, the invention also discloses a preparation method of the exosome and hyaluronic acid combined wound dressing and application of the exosome and hyaluronic acid combined wound dressing in medicines or materials for promoting wound healing. The wound dressing combines the characteristics of the exosome of the mesenchymal stem cells and the hyaluronic acid hydrogel, can promote revascularization and collagen synthesis after being in contact with a wound surface so as to repair damaged tissues, is safe, reliable and good in biocompatibility, has an obvious promoting effect on healing of the wound surface, and is not easy to cause infection, and no scar is left after healing.

The invention discloses an orthopedics department deformity correction and bone fracture reduction fixing device and a processing method of the fixing device. The fixing device comprises an outer fixing frame or an outer fixing plate, wherein the outer fixing frame or the outer fixing plate is used for fixing needles inserted into the bone tissue, at least one end of the fixing needles is exposed out of the skin, in addition, the end part, exposed out of the skin, of the fixing needles is the end to be fixed, the outer fixing frame comprises a first fixing frame body and a second fixing frame body, the outer fixing plate is a fixing plate used for fixing all of the fixing needles inserted into the bone tissue to be fixed, and the outer fixing plate comprises one or several fixing plate blocks. The processing method comprises the following steps of image information collection before reduction, computer virtual reduction, fixing device structural design and fixing device processing. The fixing device provided by the invention has the advantages that the automatic reduction function is realized, the structure is reasonable, the fixation effect is good, and the defects of reduction deformity correction difficulty, surgery operation complexity, overdependence on the clinic experience of doctors and the like in the existing bone fracture reduction or deformity correction process can be effectively overcome.

The invention discloses a corneal contact lens and an intraocular illumination system. The corneal contact lens comprises a corneal contact lens body, a flexible circuit board, a wireless electric energy receiving circuit and a light-emitting element. The flexible circuit board, the wireless electric energy receiving circuit and the light-emitting element are deployed in a designated area in the corneal contact lens body. The wireless electric energy receiving circuit and the light-emitting element are integrated on the flexible circuit board. The wireless electric energy receiving circuit iselectrically connected with the light-emitting element to supply power for the light-emitting element. The corneal contact lens can be directly worn on the eyes of a patient, and the light emitted bythe light-emitting element after electrification directly penetrates into pupils to be diffused to the parts needing lighting of eye grounds. The soft corneal contact lens body completely wraps the light-emitting element, the biocompatibility and wearable property of the corneal contact lens are verified, the corneal contact lens does not bring any additional eye hurt to the patient while the demand of lighting the eye grounds of the patient is met, and is safe and practical.

The invention discloses a non-invasive medication device for gynaecology nursing. The non-invasive medication device is characterized by comprising a cylindrical liquid mixing cylinder, a liquid injecting assembly, a pressurizing assembly, a soft plastic pipe and a medicine plug, wherein the liquid mixing cylinder comprises an upper cylinder part and a lower cylinder part which are integrally assembled; the liquid injecting assembly is used for injecting liquid medicines to the liquid mixing cylinder; the pressurizing assembly is used for performing pressurizing on the liquid mixing cylinder;a first syringe needle and a second syringe needle are separately fixed to the two ends of the soft plastic pipe; liquid medicine flow holes are formed in the first syringe needle and the second syringe needle; the first syringe needle is detachably mounted at the bottom end of the lower cylinder part; the medicine plug is placed in the vagina of a patient; and the shape of the medicine plug is arod-shaped housing of which two ends are provided with smooth cambered surfaces. Liquid medicines are convenient to sprinkle through the non-invasive medication device disclosed by the invention, theliquid medicines can be sprinkled out in a pressure maintaining manner, and medication is rapid and quick.

The invention provides a young silkworm cooperative-rearing method determining newly-hatched silkworm amount based on egg amount and adopting a mulberry leaf attraction based newly-hatched silkworm collecting method. The method comprises the steps that newly-hatched silkworms are collected, and young silkworms are reared. The step of collecting the newly-hatched silkworms includes the sub-steps that silkworm eggs are spread, wherein the silkworm eggs are poured into silkworm boxes and are arranged to be flat, and moisture-regained lime powder is scattered; dark protection is performed, wherein the silkworm boxes are vertically stacked and are covered with wetted black cloth; sensitization is performed, wherein the cloth is uncovered and lamps are turned on after hatching; mulberry leaves are provided for hatched silkworms, wherein small silkworm nets and newly-hatched silkworm collecting film nets are arranged in the silkworm boxes in sequence, and the mulberry leaves are scattered; nets are lifted, wherein the newly-hatched silkworm collecting film nets are rolled and transferred to other silkworm boxes and then are unfolded again; unhatched silkworm eggs are processed, wherein the hatching of silkworms is hastened in a centralized mode. The step of rearing the young silkworms comprises the sub-steps that leaves are harvested, wherein the mulberry leaves are harvested, rotted leaves are removed, and fresh leaves are put in a mulberry leaf storage pool and are stored with flowing water; the mulberry leaves are given, wherein the mulberry leaves are evenly scattered into the silkworm boxes. The method has the advantages of being conductive to labor saving, improving the security coefficients of silkworm rearing and silkworm egg yield and increasing the rearing amount and incomes of silkworm raisers.

The invention relates to a conveying type intelligent cutting board and aims to solve the problems that chopping boards in the prior art cannot be cleaned, dried and sterilized quickly and each chef occupies a large area. The strip-like chopping board can be used by multiple chefs and is cleaned, dried and sterilized collectively, the occupied kitchen space is saved, and infection cannot be caused. Besides, a second strip-like copping board is also arranged and cooperates with the strip-like chopping board, so that prepared materials directly fall into corresponding containers instead of being carried, and the phenomenon that people fall down easily during carrying due to the fact that the kitchen floor is slippery is avoided. Therefore, the chopping board can be widely applied to the field of daily necessities.

The invention discloses a lingualis exercising device. The device comprises a tooth socket, a tongue plate negative pressure airbag, an air cylinder airbag, an upper fixed block and a lower fixed block are fixedly installed on the tooth socket, and the upper fixed block is fixedly installed on an upper tooth socket portion; a first rotary shaft is movably installed in the upper fixed block, an aircylinder is fixedly installed on the first rotary shaft, and a tongue plate connecting rod is fixedly sleeved with a tongue plate shaft; a tongue plate is fixedly installed on the side, away from thetongue plate shaft, of the tongue plate connecting rod, the lower fixed block is fixedly installed on a lower tooth socket portion, and a supporting rod is fixedly installed on a second rotary shaft;the side, away from the upper fixed block, of a hole passage is fixedly connected with a tongue plate connecting rod through a pipeline, and the hole passage is formed in the tongue plate connectingrod. The lower portion of the tongue is sucked through the negative pressure of a tongue plate, the tongue is assisted in rolling backward through the opening and closing of the oral cavity, thereforethe effect of exercising the tongue root and the tongue lingualis is achieved, the lingualis exercising can be completed just in the oral cavity, the infection phenomenon cannot easily occur, the device is practical and sanitary, and the using is convenient.

The invention discloses a meat goose feeding method. The method comprises the following steps that hatched goslings are fed to the 27th day in a high-temperature brooding house, and the goslings drinkwater containing glucose and potassium permanganate in the first 5 days and then fed with a mixture comprising green feed and concentrated feed in the proportion of 3:1; from the 6th day to the 10thday, the goslings are fed with a mixture comprising green feed and concentrated feed in the proportion of 10:1; from the 11th day to the 15th day, the goslings are fed with a mixture comprising greenfeed and concentrated feed in the proportion of 15:1; from the 21st day to the 27th day, the goslings are fed with a mixture comprising green feed and concentrated feed in the proportion of 15:1; fromthe 28th day to the 29th day, the goslings are transferred into a fattening shed for feeding; from the 30th day to the 40th day, the goslings are put in a pasture to stay for 7 h every day; from the41st day to the 59th day, the goslings are put in the pasture to stay for 8 h every day; from the 60th day to the 70th day, the goslings are put in the pasture to stay for 9 h every day; from the 71stday to the 90th day, the goslings are put in the pasture to stay for 10 h every day. Meat geese fed through the method are high in immunity, high in disease resistance and fresh and tender in meat quality.

The invention relates to a temporary tooth prefabricating method. The method comprises the steps that S1, a doctor obtains three-dimensional image data of the oral cavity of a patient through intraoral scanning; S2, the doctor compresses data obtained by intraoral scanning and sends the compressed data to a manufacturer; S3, the manufacturer prints a virtual oral cavity model according to the intraoral scanning data; S4, temporary teeth are designed and manufactured according to the occlusion relation between the upper teeth and the lower teeth and the adjacent gingival form; S5, the temporaryteeth are worn in the virtual oral cavity model; S6, the temporary teeth are grinded and trimmed according to the gaps between the temporary teeth and the adjacent teeth, the occlusion relation between the upper teeth and the lower teeth and the gingival state; and S7, the adjusted temporary teeth are sent to a hospital. According to the method, by means of intraoral scanning and data transmission, time is saved, patient experience is optimized, and infection is not likely to happen; and meanwhile, the temporary teeth are subjected to simulation test, so that the patient wears more comfortably, the adaptability is higher, the step of debugging in the mouth of the patient for many times is avoided, and the preparation efficiency of the temporary teeth is improved.

The invention provides a disposable vertebral balloon type cervical dilator comprising a deepened and extended main channel pipe, wherein a suction hole is formed in the drainage end of the deepened and extended main channel pipe; the deepened and extended main channel pipe comprises a water and gas injection channel, a local anesthesia drug channel and a straight operating channel; a water and gas injection sealing balloon injection outlet is formed in the top of the water and gas injection channel; the bottom of the water and gas injection channel is communicated with a water and gas injection inlet; a water and gas injection sealing balloon is arranged outside the water and gas injection sealing balloon injection outlet; a front end local anesthesia drug outlet is formed in the top of the local anesthesia drug channel and is located between the suction hole and the top of the water and gas injection sealing balloon; and a local anesthesia drug inlet is formed in the bottom of the local anesthesia drug channel. By using the disposable vertebral balloon type cervical dilator, the dilating process can be finished at one step in the local anesthesia drug administration process, the pain of a patient can be relieved, cervical laceration can be avoided, secretions can be sucked through negative-pressure suction while cervical dilating, and infection is not easily caused.

The invention relates to the technical field of medicine, and discloses a dressing for treating diabetes feet. The dressing comprises a gauze layer, an autologous bone marrow mesenchymal stem cell layer and an autologous platelet gel layer; the invention further discloses a preparation method of the dressing for treating diabetes feet. The preparation method comprises the following steps: step one, preparing autologous bone marrow mesenchymal stem cells; step two, preparing autologous platelet gel; and step three, preparing the dressing. The dressing provided by the invention can be used in one step, is convenient to use and is not prone to causing infection; the dressing directly acts on the ulcer part, so that the wound healing speed is high; the source of growth factors contained in thedressing is richer, the growth factors can supplement each other, a certain synergistic effect is achieved, and the wound healing speed can be further increased.

The invention discloses a high-precision biopsy puncture device for the nephrology department and a use method of the high-precision biopsy puncture device, and belongs to the field of kidney puncture. According to the high-precision biopsy puncture device for the nephrology department, through the arrangement of a multi-point volume shrinkage ring, before kidney puncture is carried out, under the suction effect, the part, needing to be punctured, of a patient is in close contact with the multi-point volume shrinkage ring, and when a puncture position is stressed by a puncture needle, the multi-point shrinkage ring can remarkably intercept deformation fluctuation caused by skin stress at the puncture position, the skin deformation range is narrowed, offset caused by skin elasticity during puncture of the puncture needle is reduced, accuracy during kidney puncture is remarkably improved, and the success rate of kidney puncture is increased. Meanwhile, in cooperation with the effects of the inner extending ribbons and the puncture assisting stabbing rods, the inner extending ribbons are punctured when gradually getting close to the outer extending stabbing rods, the disinfection antibacterial liquid in the inner extending ribbons overflows to the skin of the punctured position, bacterium breeding caused by sweat generated when the position makes contact with the multi-point shrinkage ring is effectively avoided, then the punctured wound is effectively protected against infection, and potential safety hazards are reduced.

The invention discloses a method for raising meat ducks with traditional Chinese medicine.The method comprises the following steps of raising hatched ducklings in an incubator for 15 days; during the period from the 16 day to the 25 day, moving the ducklings into an indoor raising shed, spraying the shed with a potassium permanganate solution for disinfection, and after the shed is ventilated for three days, guiding the ducklings into the shed; during the period from the 26 day to the 50 day, feeding the ducklings in a forest for two hours and in a pond for three hours each day, during the period from the 51<st> day to the 80 day, conducting feeding in the forest for three hours and in the pond for four hours each day; during the period from the 81<st> day to the 110 day, conducting feeding in the forest for three hours and in the pond for five hours each day; during the period from the 111<st> day to the 130 day, conducting feeding in the forest for four hours and in the pond for five hours each day; The meat ducks raised through the method are great in immunity, robust in appearance, low in prevalence rate and delicious in meat quality, and nutritive value of duck meat is high.

The invention belongs to the technical field of burn treatment and discloses a burn powder and a preparation method thereof. The burn powder is composed of indigo naturalis, radix arnebiae, sanguis draxonis, borneolum Syntheticum and Calomelas. Take radix Arnebiae, washing, sun dry, pulverizing into fine powder, sieving with 200 mesh sieve; Grind sanguis Draxonis, borneolum Syntheticum and Calomelas into fine powder, sieve with 200 mesh sieve; Mix the five medicines evenly, sterilize and disinfect them; Put it in a plastic bottle with a 100-mesh mesh mesh mouth. The invention has the effects of clearing away heat and toxic materials, astringing and wounding toxic materials, removing decay and promoting granulation, promoting blood circulation, removing blood stasis, detumescence and analgesia. It is mainly used to treat all kinds of burn and scald, and the burn Powder is suitable for wet burn. The invention provides a Chinese medicine dosage form with definite curative effect, small side effect, wide drug source, low price, convenient use and easy portability for treating burn, which is especially suitable for grass-roots hospitals, opens up a new way for treating burn with traditional Chinese medicine, and is expected to be a novel and effective Chinese medicine product for treating burn and wound, and has wide application prospect.

The invention discloses a non-invasive gynecological nursing drug device. The key points of the technical solution are: comprising a columnar mixed liquid cylinder, the mixed liquid cylinder includes an upper cylinder part and a lower cylinder part assembled as one, and the device further comprises: A liquid injection component for filling the liquid mixing cylinder; a pressurizing component for pressurizing the mixing liquid cylinder; a soft plastic tube, and the two ends of the soft plastic tube are respectively fixed with first A needle and a second needle, the first needle and the second needle are respectively provided with liquid medicine flow holes, and the first needle is disassembled and installed at the bottom of the lower tube part; one is used for inserting into the patient's vagina The shape of the medicine plug is a rod-shaped shell with smooth curved surfaces at both ends; it is more convenient to use the device to spray the medicine liquid, and it can make the medicine liquid spray out under pressure, so that the medicine can be administered quickly and quickly.

The invention discloses a special clinical foreign matter clamp for the ophthalmology department. The special clinical foreign matter clamp comprises a clamp main body, a solution circulation guide unit and an eye illumination unit; a mounting plate is fixedly connected to the right end of the clamp main body; a solution bottle is fixedly connected to the right side face of the mounting plate; a cover is mounted at an opening in the right end of the solution bottle; two liquid outlets distributed at equal angles are formed in the left portion of the side face of the solution bottle; the solution circulation guide unit is mounted on the inner side of the clamp main body; the eye illumination unit is arranged on the front side of the clamp main body; the special clinical foreign matter clamp further comprises a cylindrical block; the cylindrical block is fixedly connected to the right portion of the inner side of the clamp main body; the thickness of the connecting position of the clamp main body and the cylindrical block is small; and two evenly-distributed through holes are formed in the cylindrical block. The special clinical foreign matter clamp for the ophthalmology department has a disinfection function when in use, is not easy to cause eye infection of a patient when clamping the foreign matters, and is very convenient.

An electromagnetically aided respirator is composed of electromagnets, magnetic induction pieces, adjustable resistor, synchronous controller, and gas guide tube. Its method includes such steps as arranging said magnetic induction pieces between the lung bottom and diophragmatic muscle, and magnetically driving the magnetic induction pieces to move up and down for driving the diaphragmatic muscleto move, so expanding and contracting the chest cavity cyclically.

The invention discloses a high-safety intelligent visual intercom device, and belongs to the field of intercom devices. The high-safety intelligent visual intercom device comprises an intercom device body, a containing groove is formed in the lower end of the intercom device body, an operation panel is slidably connected into the containing groove, a floating cover is clamped to the upper surface of the operation panel, an air cylinder is fixedly connected to the side wall of the intercom device body, an electric guide rail is fixedly connected to the power output end of the air cylinder, the electric guide rail is in sliding connection with the side wall of the intercom device body, a sliding table is installed on the electric guide rail, and a cleaning plate is fixedly connected to the sliding table. Only a visitor meets the body temperature requirement, the visitor can use the device. The main body part of the device can be used in a non-contact mode, the structure of the operation part is in a storage state for a long time when not used, after external germs are attached to the device, cross infection is not likely to be generated during man-machine interaction, the device can be self-cleaned and disinfected regularly, and germ infection is not likely to be generated when the device is used.

The embodiment of the invention discloses a tissue equivalent filler for cancer radiotherapy. The filler comprises a mixture obtained by mixing liquid paraffin, an antibacterial agent and a block copolymer, the mixture is heated and cured to obtain the tissue equivalent filler, the mass fraction of the block copolymer in the mixture is 2-10%, and the number-average molecular weight of the block copolymer is 50 000-300 000. Compared with the prior art, the tissue equivalent filler for cancer radiotherapy has the beneficial effects that the antibacterial and bactericidal effects are good; the contact part of the tissue equivalent filler and the body of a patient is not prone to be infected; and the advantages that oxidation resistance is achieved, the viscosity is high, the application property is good, the attachment is firm, slipping is not prone to occur, the flexibility is excellent, the tensile strength is high, the permanent deformation is not prone to occur, and the like are achieved.

The invention relates to a production method of a porous sponge or film for human serum albumin. The production method comprises the following steps: dissolving the human serum albumin into buffer solution with pH of 7.0-10.0, slowly adding glutaraldehyde, and adjusting the concentration of the glutaraldehyde to obtain human serum albumin gels with different degrees of cross linking; cleaning the gels to remove the buffer solution in the gel, infiltrating by 5-30% of glycerin or 5-30% of glycerin solution containing thrombin, freezing and drying to obtain the porous sponge or film for the human serum albumin containing or not containing the thrombin. According to the method provided by the invention, the prepared porous sponge or film for the human serum albumin can absorb blood on a surface of the wound to form a coagulation net rack through a porous structure thereof, so that the blood is stopped quickly; meanwhile, the production method has the characteristics of free antigenicity, good biocompatibility and ability of degrading, simulating cell division and promoting union, and has remarkable progress compared to the conventional medical materials.

The invention provides an extravasated blood absorption device, and relates to the field of medical equipment. The extravasated blood absorption device comprises a sucking mechanism and a connecting mechanism, wherein the connecting mechanism is used for connecting skin and used for forming an adsorption cavity with the skin; a sucking hole is formed in the connecting mechanism; the sucking mechanism comprises a sucking pump and a first pipeline; and two ends of the first pipeline are connected with the sucking hole and the sucking pump. As the connecting mechanism is adopted to connect the skin of a patient and the adsorption cavity is formed, negative pressure is formed inside the adsorption cavity by using the sucking pump, extravasated blood inside the adsorption cavity can be conveniently sucked out through the sucking hole, the sucking mechanism and the connecting mechanism are simple in structure, low in cost and good in extravasated blood sucking effect, the whole extravasated blood sucking process can be rapidly implemented, the operation time can be greatly shortened, and meanwhile the wound of the patient can be small, rapid in heal and not liable to cause infection.

The invention provides a vascular suture for laparoscope, and belongs to the field of medical apparatus and instruments. The vascular suture comprises a suture body, a suture needle and a tail clamp, the tail end of the suture needle is fixed to one end of the suture body, the other end of the suture body is provided with a tail barb area, tail bards are arranged on the suture body in the tail barb area, the tail bards are arranged by inclining to the end where the suture needle is located, the tail clamp is of a pipe type structure and arranged on the tail barb area in a sleeving mode, and limiting barbs for clamping the tail barbs are arranged on the inner side of the tail clamp. The problems are solved that at present, when continuous suture is conducted on the vascular suture, under the condition of straining the suture body, the tail end of the suture is likely to be pulled into sutured tissue, so that the tail end cannot be found, knotting cannot be conducted, suturing even needs to be conducted again sometimes, and time and energy are wasted.

The invention provides a single-hole pneumoperitoneum-free operation device for the general surgery department. The invention belongs to the technical field of medical instruments. According to the technical schemes of the invention, the device comprises an outer sleeve body, and a supporting assembly is installed on one side of the outer sleeve body and located on the annular side of the outer sleeve body. The abdominal wall of a patient can be separated from organs in the abdominal cavity without introducing CO2 into the abdominal cavity of the patient to establish pneumoperitoneum.

The invention discloses a lingualis exercising device. The device comprises a tooth socket, a tongue plate negative pressure airbag, an air cylinder airbag, an upper fixed block and a lower fixed block are fixedly installed on the tooth socket, and the upper fixed block is fixedly installed on an upper tooth socket portion; a first rotary shaft is movably installed in the upper fixed block, an aircylinder is fixedly installed on the first rotary shaft, and a tongue plate connecting rod is fixedly sleeved with a tongue plate shaft; a tongue plate is fixedly installed on the side, away from thetongue plate shaft, of the tongue plate connecting rod, the lower fixed block is fixedly installed on a lower tooth socket portion, and a supporting rod is fixedly installed on a second rotary shaft;the side, away from the upper fixed block, of a hole passage is fixedly connected with a tongue plate connecting rod through a pipeline, and the hole passage is formed in the tongue plate connectingrod. The lower portion of the tongue is sucked through the negative pressure of a tongue plate, the tongue is assisted in rolling backward through the opening and closing of the oral cavity, thereforethe effect of exercising the tongue root and the tongue lingualis is achieved, the lingualis exercising can be completed just in the oral cavity, the infection phenomenon cannot easily occur, the device is practical and sanitary, and the using is convenient.

A device for retaining enema for experimental animals and a method for using the same, which belong to a device for enema therapy and a method for using the same. Aiming at the defects of the existing enema therapy, a method for animal retention enema with stable result, suitable temperature, time saving, high efficiency, economical and practical is provided. In the present invention, the No. 2 iron stand and the No. 3 iron stand work together to clamp the No. 1 fixed plate, the No. 2 fixed plate and the No. 3 fixed plate sequentially from bottom to top, and the fixed tube is fixed on the circular jack of the No. 1 fixed plate , the cap of the fixed tube covers the bottom of the fixed tube, the experimental animal is placed in the fixed tube, one end of the anal cannula is inserted into the anus of the experimental animal, and the other end is connected to the syringe, and the syringe is fixed on the No. 3 fixed plate One end of the infusion tube is connected to the syringe, and the other end is inserted into the test tube. The present invention is mainly applicable to a plurality of experimental animals while retaining enema administration.