168 results about "Postoperative infection" patented technology

The invention discloses a preparation method of a CAD / CAM personalized resin pre-formed crown and bridge. According to the method, data are acquired through oral clinical examination and oral CBCT, an implant scheme is designed by six-dimensional tooth implantation design software with repair as guide, implantation data are acquired, and a corresponding repair working model is obtained; a corresponding implantation replacement body is inserted into the repair working model, the position, the direction and the depth of the obtained replacement body and data of remaining teeth within a mouth are scanned with a scanner, a pre-formed crown and bridge module is designed with EXOCAD software according to the pre-designed upper repair body requirement by the combination of patient gingiva thickness, and a gap is reserved for placing a temporary drill base and a screw hole; finally, the CAD / CAM personalized resin pre-formed crown and bridge is obtained through cutting processing and finishing and polishing of a resin disc. According to the method, the immediate repair body can be put on at the same day after operation, modeling is not required in the patient mouth after the operation, the possibility of postoperative infection is reduced compared with the traditional technology, the time is saved, and the discomfort of the patient is effectively reduced.

The invention discloses an anti-adhesion fiber membrane with hemostasis and antibiosis functions and a preparation method thereof. The preparation method comprises the following steps of: dissolving medicinal molecules into an organic or inorganic solvent to prepare a medicinal molecular solution; dissolving different high molecular materials into medicinal solutions of a hemostasis agent and an antibiosis agent respectively to prepare a high molecular solution; and performing electrostatic spinning on a mixed solution of organic high molecules and the hemostasis agent and a mixed solution of high molecules and the antibiosis agent to obtain a compound fiber material. In the invention, nanofiber is produced by using an electrostatic spinning technology; an organic high molecular solution and the medicinal molecules are mixed for electrostatic spinning to obtain the compound fiber material; by adjusting the high molecular material, the embedding amount and embedding rate of medicaments are increased, a fiber material which can keep the medicinal bioactivity and is used for controlling the release of different medicaments at different stages is prepared, and dual effects of preventing postoperative adhesion and postoperative infection can be achieved; and moreover, the entire preparation process is simple, has low cost, and has wide application prospect in the field of surgical operation.

The invention belongs to the technical field of medicine, and discloses a medicinal-composition suspension powder injection taking mezlocillin sodium and sulbactam sodium as active components. The injection comprises 4 parts of mezlocillin sodium, 1 part of sulbactam sodium, 5 to 20 parts of Tween 80, 1 to 10 parts of cholesterol, 0.5 to 15 parts of deoxysodium cholate, and 2 to 30 parts of frozen-dried supporting agent. The invention further discloses novel application of the injection in the preparation of medicaments for preventing postoperative infection of appendicitis.

The invention relates to the technical field of antibacterial liquids, and particularly relates to a medical antibacterial liquid and a preparation method thereof. Each liter of antibacterial liquid is prepared from the following materials: 1.7-1.9g of dialkyl quaternary ammonium salt, 30-50ml of glycerol, 0.1-1.3g of menthol, 3-20ml of ethanol, 3-6g of traditional Chinese medicine extract, and the balance of purified water. The materials of the medical antibacterial liquid are in supplement with each other and play the synergistic action; and the traditional Chinese medicine extract contains a plurality of antiphlogistic, antibacterial and analgesic components, so that the antibacterial property achieves the optimal extent. The biocompatibility of the medical antibacterial liquid accords with the requirements of GB / T16886.11-2011; and a microbiological indicator accords with the requirements of GB15979-2002. The medical antibacterial liquid is suitable for nursing of small-area skin and oral infection, burns and scalds, wound infection, vaginal infection, anus infection and mucosal wound infection, nursing of the newborn skin and umbilical region, and nursing of postpartum genital and wound infection; wound healing is facilitated; and postoperative infection is also reduced.

The invention relates to a modular working-condition-variable medical air purifying system which comprises a medical air exhaust and fresh air integrated cabinet, a uniform air mixing and air supplying ceiling and a return air treater. The medical air exhaust and fresh air integrated cabinet is used for treating and outputting input fresh air and to-be-exhausted air, the uniform air mixing and air supplying ceiling is used for uniformly mixing, filtering and outputting introduced fresh air in a form of weak turbulence, and the return air treater is used for purifying, filtering and outputting return air. By utilizing the air purifying system postoperative infection rate can be lowered obviously, energy consumption can be lowered greatly, and building cost, building period and space requirements (needlessness of special machine room, few valves and short air pipe) of an operation room can be lowered remarkably at the same time. In addition, the invention further relates to the corresponding operation room.

The invention provides ophthalmic bacterial-infection resisting medicine for external use. Linezolid is adopted as medicative raw materials to prepare eye drops, ophthalmic gel and eye ointments. The content of the linezolid in every 100 parts by weight of a medicament is within 0.1 to 1.0 parts by weight. The medicine is for external use at partial positions of eyes, and has good intraocular penetrability and mild toxic as well as side effects; moreover, the medicine is suitable for treating as well as preventing bacterial infection at partial positions of the eyes, including diseases of conjunctivitis, keratitis, keratohelcosis, iritis, ocular traumas, chemical injuries, ophthalmic postoperative infections and the like.

The invention provides a silver-containing fluorhydroxyapatite coating, and a preparation method and an application of the coating. A molecular formula of the coating is as shown below: AgxCa10-x(PO4)6(OH)2-yFy, wherein x is greater than 0 and less than or equal to 10; and y is greater than 0 and less than 2. The coating is applied to a medical magnesium metal surface. The method comprises the steps that a component containing a silver ion is added to an electrodeposition solution; the coating is electrodeposited on the magnesium metal surface; and nitrate solution soaking is performed, so that the stability of the coating is further improved and the uniformity of silver content is ensured. According to the coating, the method and the application, the stability of silver-containing fluorhydroxyapatite is adjusted by adjusting F content and hydroxyl content, so that a degradation cycle and a rate of the silver-containing fluorhydroxyapatite are adjusted and controlled, and the coating is applicable to different application positions and requirements; and the surface has certain porosity, so that bone ingrowth is facilitated, and a binding force of an implant is increased. The coating has effects of controlling bacteria of an implantation position and reducing a postoperative infection rate.

The invention relates to a disinfecting therapeutic device which comprises a drug pasting layer and a breathable waterproof pasting film, a peeling wheel, a bar-shaped sterile applying paste, a sterile applying paste wheel, a push rod, a piston, a needle tube type hollow liquid storage cavity, plant pigment dyeing cotton, a disinfectant nozzle, release paper, a rocker handle and a release paper winding wheel, wherein a disinfecting medium comprises the disinfectant nozzle, a disinfecting brush and a disinfecting cotton block. The disinfecting therapeutic device can reduce the risk in postoperative infection and can ensure the success rate of operation; when a local part cannot be smeared, the disinfectant nozzle can be assembled and used for spraying disinfectant to a tiny or serious festered wound; the pollution caused by external environment or improper contact is avoided; the disinfecting quality is ensured. The disinfecting therapeutic device has the advantages of simple structure, low manufacturing cost, good use effect, popularization and application in industry and capability of realizing the full effective preoperative disinfection and simple drug topical application binding pretreatment.

The invention relates to a minimally invasive bone fetcher. The minimally invasive bone fetcher comprises a sleeve, a connecting rod arranged in the sleeve in a penetrating mode and an abrasive drilling bit connected to the front end of the connecting rod. A water inlet channel and a discharge channel are formed in the sleeve. The sleeve is provided with a water inlet communicated with the water inlet channel and a discharge port communicated with the discharge channel. The discharge port is provided with a bone fragment collection container connected with a negative pressure suction device. The head end of the bone fetcher is small, a bone substance is abraded into bone fragments to be taken out through a minute skin incision and a minute bone window, then a minimally invasive bone fetching operation is rapidly completed, the risk of injuring the lateral femoral cutaneous nerve is greatly lowered, pain in the bone fetching area is alleviated, the occurrence rate of factures or ventral hernia is lowered, and the postoperative infection rate of the bone substance supply area is greatly decreased as well. The minimally invasive bone fetcher is easy to operate, saves labor and valuable operation time and brings great convenience to the bone fetching operation.

The invention discloses a variable-structure glaucoma miniature shunt device which is characterized in that the shunt device is a shape-memory long component, the inside of the shunt device is in theshape of a hollow tube, comprises a head, a body and a tail and can be used as a fluid channel, the head is designed into a first main circulation opening in the design of an external expansion open tube, the outer diameter of a head port is 0.5-0.7mm, the port serves as an inflow opening, the body comprises a fixing part, a sub-flow channel and a second main circulation channel, and the tail is an extending channel. By the aid of the technical scheme, large injury and slow recovery of a traditional surgery are alleviated, secondary operation risks in a minimally invasive surgery are reduced,the problems of implantation misplacement, shifting, obstruction and the like are avoided, surgical safety is improved, and postoperative infection risks are reduced.

The invention discloses a hemostatic gel for surgery and a preparation method thereof. The hemostatic gel is prepared from the following main raw materials by weight: 42 to 56 of chitosan, 28 to 40 of carbomer, 7 to 16 of cape jasmine, 10 to 14 of fructus forsythia, 6 to 11 of white gourd peel, 9 to 16 of pseudo-ginseng, 4 to 8 of lotus rhizome node, 11 to 16 of pinellia ternate, 8 to 13 of divaricate saposhnikovia root, 7 to 15 of akebia stem, 8 to 15 of notopterygium root, 5 to 10 of Yedo violet, 10 to 14 of honeysuckle flower, a proper amount of a humectant, a proper amount of an anti-oxidant and a proper amount of an antiseptic. The prepared hemostatic gel is convenient to use and free of toxicity and harm to the human body, has good biocompatibility and reliable security, can be biologically degraded and absorbed, is capable of stopping bleeding, relieving pain, eliminating swelling, inhibiting bacteria and eliminating inflammation, is fast in stopping bleeding, can shorten surgery time, prevents occurrence of adverse adhesion, decreases postoperative infective rate and morbidity, effectively mitigates pain of patients, accelerates wound healing, promotes postoperative rehabilitation and reduces hospitalization expenses.

The invention discloses a medical degradable stapler and a preparation method thereof. The stapler is made of degradable magnesium or magnesium alloy, and comprises two identical anastomosis rings. Aplurality of fixing pins are arranged on each anastomosis ring, a plurality of fixing buckles and a plurality of clamping grooves, and the fixing pins are uniformly arranged on the anastomotic surfaces of the anastomosis rings and used for fixing intestinal tissue and preventing the intestinal tissue from moving during anastomosis. The fixing buckles are uniformly arranged on the anastomotic surfaces of the anastomosis rings, and the clamping grooves are formed in the outer sides of the anastomosis rings; the fixing buckle of one anastomosis ring is clamped to the clamping groove of the otheranastomosis ring, so that the fixing pins on the anastomosis rings fix the intestinal tissue to achieve anastomosis. The stapler is convenient to use, firm in fixing, capable of facilitating development and degradable after operations, avoids unnecessary inflammation, caused by long-time retention of metal sundries in the human body, of affected parts, greatly shortens the operation time of patients and greatly reduces postoperative infection risks and the economic burden of the patients.

The invention relates to the technical field of antibacterial liquid, and in particular relates to an antibacterial liquid used for nasopharyal meatus and a preparation method thereof. The antibacterial liquid per liter is prepared from the following raw materials: 1.7 to 1.9g of dialkyl quaternary ammonium salt, 30 to 60ml of glycerinum, 0.1 to 1.3g of menthol, 0.9 to 3.0g of sodium chloride, 5 to 8g of extracts of traditional Chinese medicine, and the balance of purified water. The antibacterial liquid adopts a plurality of raw materials capable of clearing heat, dispelling wind, relieving sore throat, resisting inflammation, resisting bacteria and easing pain; all the raw materials supplement each other and develop the synergism to realize the characteristics of the best antibacterial performance, short treatment course and quick return of the antibacterial liquid. The biocompatibility of the antibacterial liquid meets the requirement of GB / T 16886.11-2011, and the microbiological indicator meets the requirement of GB15979-2002. The antibacterial liquid is applicable to control and nursing of nasal infection, oral infection, throat infection, various acute (chronic) rhinitis, pharyngitis, auditory meatus inflammation, dental ulcer, and skin and mucous membrane wound infection, and can be used for promoting the healing of the wound and reducing the postoperative infection.

Tissue regeneration-promoting corium elephatis ointment is characterized in that the traditional Chinese medicine ointment is prepared from the following raw materials by weight: 12-18 parts of crinis ustus, 12-18 parts of whole angelica, 24-36 parts of raw tortoise plastron, 24-36 parts of large rehmanniae radix, 37-50 parts of gypsum, 56-75 parts of raw calamine, 21-27 parts of prepared corium elephatis, 1.5-5 parts of sangusis draconis, 7.5-10 parts of frankincense, 7.5-10 parts of myrrh, 7.5-10 parts of acacia catechu, 600-800 parts of sesame oil, 56-75 parts of beeswax, and 56-75 parts of white wax. The ointment of the invention belongs to a pure traditional Chinese medicine preparation, is safe and reliable, has no toxic or side effects, has the effects of blood activation, pain relieving, tissue regeneration promotion, inflammation resistance, infection resistance, detoxification, astringency, incrustation promotion, and wound exudation reduction, can promote shedding of necrotic tissue, promote epithelium growth, reduce scar tissue hyperplasia, is safe, has good treatment effect on burning wound and scald, pressure sores, postoperative infection, ulcer, fester, non-healing wound, diabetic feet, and the like, is low in treatment cost, and high in curative effect, causes no recurrence, has an effective rate of 99% and a cure rate of 99%, and is an ideal external-use traditional Chinese medicine for treating ulcer with low cost.

The invention relates to the technical field of medical drainage auxiliary instruments, and discloses a backflow prevention device for a medical negative treatment drainage device. The backflow prevention device comprises the drainage device, a negative-pressure pipe, a fixed pipe and a limiting pipe, the limiting pipe is connected at one end of the fixed pipe in a threaded and sleeving manner, the inside of the fixed pipe is communicated with the inside of the limiting pipe, a first flow guide pipe is communicated between the drainage device and the fixed pipe, a second flow guide pipe is communicated between the limiting pipe and the negative-pressure pipe, a drainage pipe is communicated with the other end of the limiting pipe, and a sealing cover is arranged at the top end of the negative-pressure pipe in a threaded and sleeving manner. According to the backflow prevention device for the medical negative treatment drainage device, drainage is implemented by suction of the drainagedevice, a movable piston is moved to the bottom of the negative-pressure pipe, so that negative pressure is formed in the negative-pressure pipe, liquid in the negative-pressure pipe is prevented fromreturning into a body of a patient by the aid of negative-pressure suction in the negative-pressure pipe when suction of the drainage device is lost, postoperative infection of the patient is prevented, and postoperative wound healing is facilitated.

The invention provides in-situ photocuring antibacterial bone defect repair gel and a preparation method thereof. The gel is prepared by photo-crosslinking methylacryloyl copper sulfide nanoparticles and methylacryloyl gelatin. Modified CuSNPs is introduced into GelMA gel, and after the gel is added, CuSNPs-GelMA composite hydrogel can be obtained through in-situ photocuring shaping. Near-infrared light irradiates the composite material, the photothermal effect of CuSNPs in the CuSNPs-GelMA composite hydrogel can be activated, and mesenchymal stem cell proliferation and osteogenic differentiation of a periodontal defect area are promoted; and Cu< 2+ >slowly released by the composite material better endows a bone defect repair scaffold system with continuous antibacterial activity, and periodontal postoperative infection can be prevented to a great extent. The composite material is reasonable and convenient to prepare, low in price, high in application operability, good in biocompatibility and good in osteogenic effect, widens periodontal regeneration operation indications and is also suitable for repairing other bone defects.

The invention discloses intravascular irradiation therapeutic equipment with an LED light source, and belongs to the field of optical medical equipment. The intravascular irradiation therapeutic equipment comprises a driving power supply, the LED light source, an optical system, a control system, a light guiding optical fiber, a therapeutic probe and the like. The LED light source has light emitting intensity adjustability and light emitting wave band selectivity, and realizes the fixed point irradiation to the intravascular infected part via the optical system and the light guiding optical fiber by using light energy given out by the LED light source, thereby improving the blood circulation, increasing the wound healing speed, and effectively avoiding the postoperative infection. As the light emitting wave bands of the LED light source are richer as compared with those of a laser light source, and the high-brightness light emitting is realized, the intravascular irradiation therapeutic equipment is wider in application range, higher in flexibility, and lower in cost.

The invention relates to a dental operation machine which comprises an air inlet pipe, an air exhaust pipe and a spring, wherein a cavity of a machine shell is internally provided with an air hammer which is arranged at the center shaft of a movement; the front end of the movement is connected with a surgical instrument head in a way of tenon insert rotating way; and a direction-adjusting and pressure regulating control valve is arranged between an air hole connecting plate and a rear end joint. The dental operation machine has the advantages that the time used for pulling out a tooth and other alveolar surgeries can be shortened, the labor intensity of doctors can be lightened, the working efficiency of the doctors is improved, and the probabilities of operation wound and postoperative infection can be reduced; and the pain of a patient caused in the operation process can be relieved, the feared state of mind of the patient who needs tooth extraction or operation can be eliminated, and the safety of the operation is improved.

The invention discloses a preparation method of a guided bone regeneration magnesium alloy membrane with antibacterial and synosteosis-promoting functions. The embodiment of the method comprises a magnesium alloy membrane and comprises the following steps for treating the magnesium alloy membrane: preparing a calcium phosphate coating on the surface of the magnesium alloy membrane so as to reduce a degradation speed of the magnesium alloy membrane; loading BMP-2 (Bone Morphogenetic Protein-2) on the surface of the magnesium alloy membrane containing the calcium phosphate coating; loading nano-silver particles on the surface of the magnesium alloy membrane loaded with the BMP-2. According to the novel membrane disclosed by the invention, the disadvantages that an existing absorbable membrane cannot establish and maintain a bone regeneration space very well and an existing non-absorbable membrane needs to be taken out through a secondary surgery can be overcome; and more importantly, an effective solution can be provided for solving GBR (Guided Bone Regeneration) postoperative infection and synosteosis failures.

The invention relates to the field of the medicines for preventing postoperative wound infection and specifically discloses a medicine for preventing postoperative infection and scars. The medicine is prepared from the following raw materials by weight: 1-5g of muskone, 1-5g of saffron crocus, 3-10g of dragon's blood, 10-30g of coptis chinensis, 3-10g of frankincense, 3-10g of myrrh, 3-10g of scutellaria baicalensis, 3-10g of rheum officinale, 3-10g of pearl, 1-6g of calculus bovis, 10-25g of beewax and a proper amount of vaseline base. The medicine for preventing postoperative infection and scars has the effects of sterilization, inflammation diminishing, detumescence, pain relieving and slough removing and tissue regeneration promoting on various wounds, burn and scald, and is capable of promoting quick growth of granulation tissues and accelerating healing of wounds. The medicine is capable of preventing local infection, eliminating suture reaction and preventing scars; as a result, the problem of easy postoperative infection and scar formation in the prior art, and the problems of slow wound recovery and healing and easy infection and scar formation after an operation are solved. Besides, the medicine has the effects of relieving pain and accelerating healing of wounds.

The invention relates to a gelatin / calcium phosphate asymmetric drug release coating and a preparation method thereof, belonging to the field of biological coating material. The preparation method takes medical Ti alloy or Co alloy sheet as a matrix, takes gelatin and calcium phosphate as raw materials, and forms an asymmetric coating on the matrix by the methods of CZ (czochralski) and phase separation. The gelatin / calcium phosphate asymmetric drug release coating has thickness ranging from 30 microns to 300 microns and is divided into two layers: a compact external layer and a porous internal layer; wherein, the thickness of the compact external layer is 3-30 microns and the porous internal layer has the porosity of 20-80 percent; and the mass ratio between the gelatin and calcium phosphate is 5-50. The coating can control hydrophobic drug to release at a constant speed, thus achieving the object of ideally releasing and controlling the drug, effectively preventing and curing postoperative infection and reducing bacteria infection rates. Compared with the pure gelatin layers and the naked medical Ti alloy surface, the coating can induce the deposition of the calcium phosphate on the surface of the coating more quickly.

The invention relates to ulcer stopping and tissue regeneration promoting powder paste, which is characterized in that the traditional Chinese medicine paste is prepared from the following raw materials by weight: 9-18 parts of pearl, 15-30 parts of borneol, 1.5-3 parts of musk, 150-300 parts of calcined dragon's bones, 20-40 parts of borax, 9-18 parts of daemonorops draco, 30-60 parts of forged gypsum, 18-36 parts of frankincense, 18-36 parts of myrrh, and 18-36 parts of catechu. According to the present invention, the ulcer stopping and tissue regeneration promoting paste belongs to the pure traditional Chinese medicine preparation, has characteristics of safety, reliability and no toxic-side effect, has effects of blood circulation activating, pain stopping, tissue regeneration promoting, anti-inflammation, anti-infection, detoxification, convergence, scarring promoting, wound exudates reducing, necrotic tissue shedding promoting, epithelial growth promoting and scar tissue hyperplasia reducing, provides good and safe treatment effects on burn and scald trauma, pressure sores, postoperative infections, ulcers, ulcerate, non-healing wounds, diabetic foot and the like, further has characteristics of low treatment cost, high treatment effect, no recurrence and the like, and is the ideal external application ulcer treating traditional Chinese medicine powder, wherein the effective rate is 100%, and the cure rate is 99.9%.

The invention relates to a personalized oral implant. The personalized oral implant comprises an implant main body, the implant main body comprises an implant body part and an implant neck platform, the implant body part is provided with a groove for accommodating an alveolar bone, and the lower portion of the implant body part is provided with a fixed screw for fixing the implant body part and the alveolar bone. The personalized oral implant is mainly used for agomphosis patients who cannot use endosteal implants due to badly contracted alveolar bones in an agomphosis area, knife-shaped lveolar crests and unsatisfactory height of the alveolar bone. The making method of the personalized oral implant comprises the following steps: carrying out CT scanning on the alveolar bone in the agomphosis area of a patient to obtain the shape and size data of the alveolar bone in the agomphosis area of the patient, and designing and processing the personalized oral implant according to the obtained actual data. An implantation method adopts a subperiosteal implantation method, so compared with current clinically routine endosteal implantation methods, the subperiosteal implantation method has the advantages of increase of the contact area between the implant and the alveolar bone and reduction of the risk of wounds and postoperative infection.

The invention discloses an enteral nutrition preparation containing marine bioactive polysaccharides. The preparation is prepared from ingredients of milk, marine bioactive polysaccharides, marine bioprotein powder, composite fruit and vegetable juice and the like. The invention also discloses a preparation method of the enteral nutrition preparation containing marine bioactive polysaccharides. The method comprises the steps of preparing the marine bioactive polysaccharides; preparing marine bioprotein powder; preparing the composite fruit and vegetable juice; performing stirring, homogenizingand the like. The marine bioactive polysaccharide ingredient of the enteral nutrition preparation containing marine bioactive polysaccharides has the effects of resisting tumor, resisting virus, resisting cardiovascular diseases, resisting oxidization, regulating immunity and the like; the resistance capability of the body can be obviously enhanced; the occurrence of complications such as postoperative infection can be reduced. The marine bioprotein powder of the enteral nutrition preparation contains rich protein; the enteral nutrition preparation is used as amino acid supplementation food;the composite fruit and vegetable juice is added into the enteral nutrition preparation, so that the nutrition preparation has the typical fruit and vegetable fragrance and nutrition ingredients.

The invention discloses a surgical ambulance which is an ambulance. Compared with the prior art, the surgical ambulance has the characteristic that: a surgical carriage and a trailer are of a separation structure. A ten thousands-level air cleaning unit is arranged in the surgical carriage and used for reducing the postoperative infection rate of a patient to the maximum degree. Simultaneously, a surgical bed is arranged in the carriage; the surgical bed is fixed on a platform; and the platform is fixed on a baseboard of a first-aid carriage through an inertial buffer unit. During the surgery, the patient lies on the surgical and the medical workers stand on the platform; when the ambulance travels, since the inertial buffer unit is arranged between the platform and the baseboard of the surgical carriage, the inertial buffer unit can reduce the platform shaking to the maximum degree and provide a relatively stable surgical operation environment. Compared with the ambulance or the operation van without the inertial buffer unit, the surgical ambulance can provide the relatively stable operation environment in the process of ambulance travelling, thereby increasing the surgical safety. The patient badly in need of operation can be provided with the lifesaving surgical treatment immediately in the transport.

The invention discloses postoperative infection preventing equipment based on intervention nursing. The postoperative infection preventing equipment based on intervention nursing comprises a sterile room, wherein the upper half part of the sterile room is hollow, the lower half part of the sterile room is solid, and the whole sterile room is spherical; a base is fixedly connected to the bottom ofthe sterile room; a bed body is arranged in a cavity of the sterile room in a sliding manner; an annular ring which communicates with the inner part of the sterile room is fixedly connected to the front end surface of the sterile room; an observation door is rotatably mounted on the left side of the annular ring; a transparent window is fixedly connected to the middle part of the observation door;a locking and fixing wheel is rotatably mounted on the right side of the annular ring; a locking and fixing groove is formed in the right side of the observation door; the observation door is locked,fixed and mounted to the locking and fixing wheel through the locking and fixing groove; and an air purifying device is arranged at the back of the sterile room. The postoperative infection resistingequipment disclosed by the invention has the advantages of being simple in structure and thorough to purify; through the air purifying device, continuous clean air is provided for the sterile room, then through cooperation with the observation door and the sterile room, postoperative patients are provided with rehabilitation environment which is relatively small in pollution, and the rehabilitation process of the patients can be accelerated.

The invention discloses an application of statin medicines in preparing medicines used for treating chronic subdural hematoma (CSDH). The application provided by the invention has the advantages that: 1, the safety is high; the medicine does not cause severe complications; CSDH reoccurrence is prevented for a long time after applciation; and an effect is reliable; 2, medication is convenient and is easy to be accepted by patients, wherein the medicine needs to be taken only once a day, and an amount is appropriate, such that patient daily lives are not affected; 3, the medicine is economical, wherein the medicine can be orally taken at home, such that hospitalization costs, surgical treatment costs, and care worker costs before and after surgery are avoided; and 4, defects such as anesthesia risk, pain risk, surgical bleeding, brain physiological cycle disruption, brain function damage, postoperative infection and recurrence, and the like of a traditional borehole drainage operation used for treating CSDH are avoided.

The invention discloses a crack healing ointment, which is characterized by comprising the following raw materials in parts by weight: 6-10 parts of cortex albiziae, 6-10 parts of elephant hide, 12-20 parts of root of rehmannia, 9-15 parts of angelica, 3-5 parts of lithospermum, 6-10 parts of common bletilla tuber, 9-15 parts of sanguisorba officinalis, 12-20 parts of dragon bone, 6-10 parts of cutch, 1.5-2.5 parts of raw licorice, 6-10 parts of calcined gypsum, 3-5 parts of prepared frankincense, 3-5 parts of prepared myrrh, 1.5-2.5 parts of dragon's blood, 150-250 parts of sesame oil and 30-50 parts of yellow wax, and the crack healing ointment belongs to a pure Chinese medicine preparation, is safe, reliable, free of toxic and side effect, has the functions of promoting blood circulation, relieving pain, resisting inflammation, resisting infection, detoxifying, astringing, promoting scabbing, reducing wound exudation, promoting shedding of necrotic tissues, promoting epithelial growth, reducing the scar tissue hyperplasia, is safe, has good curative effects on burn wounds, bedsore, postoperative infection, anabrosis, ulcer, unhealed wounds, diabetic gangrene, and the like, is low in cost, high in curative effect, and other characteristics, and the diseases are free of recurrence; the effective rate is 100%, the cure rate is 99.9%, and the crack healing ointment is an ideal externally-used traditional Chinese medicine for treating traumatic injury and ulcer.

Polyhexamethylene guanidine eye drops relate to the technical field of eye drops, and comprise the following components by mass: 0.01%-0.1% of polyhexamethylene guanidine hydrochloride, 0.01% of a synergist, 0.1% of pharmaceutical grade hydroxy propyl methyl cellulose, 0.05% of PEG200 (polyethylene glycol), 0.05% of PEG6000, 0.05% of water soluble vitamin E, 0.01% of water-soluble mint, 0.1% of pure sodium chloride, and 99.53%-99.62% of pure water. Polyhexamethylene guanidine is used in the eye drops, and the polyhexamethylene guanidine eye drops are suitable for bacterial conjunctivitis, keratitis, keratohelcosis, dacryocystitis, postoperative infection and other external ocular infections, and is good in sterilization effect, mild in nature, and non-irritating.