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56results about How to "Improve hemostatic efficiency" patented technology
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Alginic acid-chitosan composite fiber for tranma repairing and preparation method thereof
InactiveCN103469365APromote healingImprove mechanical propertiesAbsorbent padsConjugated artificial filamentsFiberChemical reaction
The invention belongs to the field of biomedical materials, and particularly discloses an alginic acid-chitosan composite fiber for tranma repairing and a preparation method thereof. The alginic acid-chitosan composite fiber for the tranma repairing is characterized by comprising an alginic acid component of which the mass fraction is 50-95%, and a chitosan component of which the mass fraction is 5-50%. The processing technique disclosed by the invention is not involved with an organic reagent or an organic chemical reaction, so that the preparation method is mild in reaction system and controllable in condition; the residue problems of a toxic crosslinking agent or an assistant and the like do not exist; used materials, reagents and the like have good biosecurity; the security risk of clinical applications is greatly reduced. In addition, the technology disclosed by the invention is simple and controllable, and has the good product transformation feasibility; the difficulty of risk management in the preparation process is greatly reduced.
Owner:山东颐诺生物科技有限公司
Method for preparing bleeding stopping oxidized celluloses in ramie oxidation degumming procedures
ActiveCN106478825AChange structureWith hemostatic functionSurgical adhesivesPharmaceutical delivery mechanismOrganic solventColloid
The invention provides a method for preparing bleeding stopping oxidized celluloses in ramie oxidation degumming procedures. The method includes smashing raw ramie to obtain short fibers and soaking the short fibers to sufficiently moisten the short fibers and allow the short fibers to sufficiently swell; mixing the pretreated raw ramie short fibers and degumming solution with one another to obtain mixtures, heating the mixtures, then preserving heat, sufficiently removing colloid in the raw ramie by the aid of oxidability of specific oxidizing agents and simultaneously oxidizing celluloses with active hydroxyl to obtain oxidized celluloses with a large quantity of carboxyl; soaking oxidized and treated fibers by the aid of organic solvent aqueous solution and removing the unreacted oxidizing agents; separating the oxidized celluloses from water and carrying out drying treatment on the oxidized celluloses to ultimately obtain the powdery bleeding stopping oxidized celluloses. The method has the advantages that processes are simple, the original two working procedures are combined into a single working procedure, accordingly, the total reaction time can be shortened, medicines and the cost can be saved, and the efficiency can be greatly improved; the bleeding stopping oxidized celluloses which are products prepared by the aid of the method are high in bleeding stopping speed and bleeding stopping efficiency and can be widely applied to quickly stopping bleeding under conditions of war wound, trauma and the like, and stable effects can be realized.
Owner:DONGHUA UNIV
Angiocardiography pressing device
An angiocardiography pressing device comprises a base plate device, a supporting plate, an adjusting device, a support device, a positioning device, a pressing device, a driving device, a holding device and a friction device, wherein the base plate device comprises a base plate, a first supporting block, a first roller, a first bent rod, a first supporting rod, a first positioning rod, a first cross plate and a first positioning block, a second bent rod, a first spring, a first elastic rod, a second positioning block and a first support are arranged on the supporting plate, the adjusting device comprises a first rotary rod, a third positioning block, a first positioning frame, a first gear, a first rotary shaft, a second support, a second gear, a second rotary shaft, a first rotary part and a second positioning rod, the support device comprises a second supporting rod, a second cross plate, a first holding ring, a third support, a first holding rod, a first cross rod and a second holding ring, and the positioning device comprises a first cushion block, a third positioning rod, a second cross rod, a second supporting block and a fourth support.The device has a remarkable hemostatic effect and can improve hemostasis efficiency.
Owner:杨晓飞
Blood protein responsive type gamma-PGA (polyglutamic acid) hydrogel hemostasis material as well as preparation method and application thereof
ActiveCN107596429AGuarantee "anchor" abilityGood hemostatic effectSurgical adhesivesBiocompatibility TestingSolvent
The invention provides a blood protein responsive type gamma-PGA (polyglutamic acid) hydrogel hemostasis material as well as a preparation method and an application thereof. The hemostasis material isprepared from a PHPA and DA (dopamine) molecule functionalized gamma-PGA polymer, a solvent with water as a main body, horseradish peroxidase and hydrogen peroxide, the synergetic enhancement effectof gamma-PGA, PHPA and DA on integration of wet high-strength wound is realized and the efficient blocking and hemostasis effect is achieved through Fe<3+> in gamma-PGA complexing blood, adsorption and blood coagulation of blood protein under the inducing action of benzene ring hydrophobic functional groups in PHPA and gel forming through oxidation and crosslinking by catechol groups in DA. The provided gamma-PGA hydrogel hemostasis material can effectively overcome the limitation of conventional pressing hemostasis method in application fields, besides, the problems that numerous hemostasis materials have poor blood responsiveness, poor integration capability for the wet bleeding wound and the like at present are solved, and the blood protein responsive type gamma-PGA hydrogel hemostasismaterial has the advantages of being high in hemostasis efficiency, good in biocompatibility, capable of allowing orthotopic injection of matched complicated wound types and the like and has broad market application prospects.
Owner:NANJING SHINEKING BIOTECH CO LTD
Hemostasis material prepared from Bletilla and preparation method of hemostasis material
InactiveCN102475900ALow immunogenicityHigh active substance contentAbsorbent padsBandagesMedicineAqueous solution
The invention relates to a hemostasis material prepared from Bletilla and a preparation method of the hemostasis material. The hemostasis material in the prior art is used by grinding a traditional Chinese medicine arethusa dry product into powder and has the defects of more defect impurities, low effective substance content and poor hemostasis effect. In the hemostasis material disclosed by the invention, Bletilla polysaccharide is dissolved into water to prepare an aqueous solution of which the concentration is 1-3%, and the aqueous solution is prepared into the hemostasis material at low temperature under the condition of vacuum drying. The hemostasis material prepared from Bletilla has the advantages of simple technology, excellent hemostasis effect and convenience in use, and can be widely applied to medicine and the biomedical engineering.
Owner:DALIAN CHUANGDA TECH TRADE MARKET
Femoral artery compression hemostasis device
ActiveCN104490443AEasy to removeContinuous pressureNon-adhesive dressingsMedical devicesWound dressingFemoral artery
The invention provides a femoral artery compression hemostasis device which at least comprises a hemostasis unit and a fixing unit. The hemostasis unit comprises a pressing knob, a sleeve shell and a pressing pad, the sleeve shell is connected with the pressing knob in a threaded manner, and the pressing pad is connected with the bottom of the pressing knob. The fixing unit comprises a supporting stabilization rod, a tail fin, a leg supporting plate and a fixing strap, the tail fin is fixed on the supporting stabilization rod, the leg supporting plate is positioned below the supporting stabilization rod, the supporting stabilization rod is connected with the leg supporting plate through the fixing strap and perpendicular to the pressing knob, one end of the supporting stabilization rod is connected with the tail fin, the other end of the supporting stabilization rod is connected with the sleeve shell in a threaded manner, the pressing pad comprises a base pad, a blood vessel pressing pad and a haemostatic wound dressing, the blood vessel pressing pad and the haemostatic wound dressing are bilaterally fixed at the bottom of the base pad, the blood vessel pressing pad is abutted to the haemostatic wound dressing, the area of the haemostatic wound dressing is larger than that of the blood vessel pressing pad, and the height of the blood vessel pressing pad is not smaller than that of the haemostatic wound dressing. The hemostasis device is high in hemostasis efficiency and can be stably fixed at the puncture point of a human leg, and pressure on the leg can be relieved.
Owner:WUHAN GREENOVO BIOTECH
Bleeding-stopping, inflammation-diminishing and pain-relieving nano emulsion for use in minimally invasive beauty treatment therapy and preparation method thereof
ActiveCN102274493BImprove hemostatic efficiencyVersatileOrganic active ingredientsPeptide/protein ingredientsSide effectFreeze-drying
The invention relates to bleeding-stopping, inflammation-diminishing and pain-relieving nano emulsion for use in minimally invasive beauty treatment therapy and a preparation method thereof. The nano emulsion is prepared from the following raw materials in part by weight: 0.0055 part of thrombase freeze-dried powder, 0.0005 part of epinephrine, 5 parts of calcium chloride, 1 part of sodium chloride, 6 parts of coix seed essence oil, 6 parts of as arum volatile oil, 5 parts of lidocaine hydrochloride, 13.6 parts of isopropyl myristate, 27.6 parts of octoic acid and capric acid polyethylene glycol glyceride, 9.2 parts of polyglycerol-3-dioleate and 26.594 parts of distilled water. The nano emulsion has diversified functions and has bleeding-stopping, inflammation-diminishing and pain-relieving effects, so the complex process of the minimally invasive beauty treatment therapy is simplified. In addition, a nano transdermal technique is adopted to promote the functional components to enterskin effectively, constantly and controllably to produce the bleeding-stopping, inflammation-diminishing and pain-relieving effects; and the toxic and side effects of the nano emulsion can be reducedgreatly.
Owner:董萍 +1
Human tissue factor clotting compound and preparation method thereof
ActiveCN109293780AAvoid stickingPrevent wound infectionPeptide/protein ingredientsAntibody mimetics/scaffoldsComposite effectCuticle
The invention discloses a human tissue factor clotting compound and a preparation method thereof. The compound has a local rapid hemostatic function, has the effects of wound infection prevention, wound healing promotion and the like, and has a composite effect different from a conventional local clotting agent. The clotting compound disclosed by the invention is simple to prepare, is applied to rapid hemostasis, antibiosis and wound healing promotion of local known or unknown hemorrhagic spots in operations and epidermis wounds and tissue epidermis wounds caused by trauma, and has advantagesin applications for treating liver injury, articular cartilage injury, eye injury, diabetes, hemophilia and the like.
Owner:厦门宏谱福生物科技有限公司
Adhesive self-repairing hemostatic membrane and preparation method thereof
ActiveCN112023109AHigh mechanical strengthHigh mixPharmaceutical delivery mechanismAbsorbent padsPolymer scienceMeth-
The invention discloses an adhesive self-repairing hemostatic membrane and a preparation method thereof. The hemostatic membrane is prepared by the following steps od fully reacting dopamine grafted oxidized alginic acid, acrylamide, acrylic acid N-hydroxysuccinimide ester and N, N'-methylene bisacrylamide, adding a coagulation crosslinking agent, acrylic acid and a first part of a photoinitiator,carrying out pre-polymerizing, and adding a mixed solution of acrylate PEG-N hydroxyl succinimide ester, dopamine, acrylamide, acrylic acid N-hydroxyl succinimide ester and a second part of photoinitiator, fully polymerizing, and carrying out programmed vacuum drying to obtain the product. The hemostatic membrane prepared by the invention can quickly absorb interface moisture, so that the interface of the hemostatic membrane is in full contact with a tissue interface, strong adhesion is formed to tissues through covalent bonds and intermolecular forces, mechanical compression is caused to injured blood vessels, and hemostasis is promoted. After the hemostatic membrane absorbs blood or tissue fluid, dynamic bonds can be formed, and a certain self-repairing function is achieved. Therefore,the hemostatic membrane has the effects of rapid and efficient hemostasis, adhesion and self-repairing.
Owner:SHANDONG BRANDEN MEDICAL DEVICE
Medical multi-functional hemostasis material and preparation method thereof
InactiveCN104258454AImprove water absorptionImprove toughnessAbsorbent padsBandagesTissue repairAcetic acid solution
The invention discloses a medical multi-functional hemostasis material in a three-layer structure formed by combining a hemostasis layer, a separation layer and an anti-adhesion layer by a casting method. The hemostasis layer which is a first layer is prepared by mixing calcium chloride, glycerine, collagen, an acetic acid solution, polymers or / and sodium chloride; the separation layer which is a middle layer is prepared by mixing the collagen and the acetic acid solution; the anti-adhesion layer which is a third layer is prepared by mixing sodium hyaluronate, 3% of an acetic acid solution, the polymer or / and the sodium chloride; the hemostasis layer, the separation layer and the anti-adhesion layer are combined into the three-layer structure in sequence by the casting method, and the medical multi-functional hemostasis material is formed through packaging and sterilization. Through the adoption of the medical multi-functional hemostasis material disclosed by the invention, the water absorption and the tenacity of the material are improved, the degradation of the material in bodies is delayed, the hemostasis effect is enhanced, the adhesion is prevented, and the material has the function of promoting tissue repair, in addition, the production process is simple, the making price of products is lower, and the material has large clinical popularization and application values.
Owner:BEIJING JISHUITAN HOSPITAL
Ultrasonic scalpel bit, ultrasonic vibration transmission module and ultrasonic haemostatic and cutting system
PendingCN107928784AImprove temperature uniformityReduce dependenceSurgical instruments for heatingMedicineEngineering
Disclosed is an ultrasonic haemostatic and cutting system. The ultrasonic haemostatic and cutting system comprises an ultrasonic vibration transmission module, an ultrasonic scalpel bit (101) of the ultrasonic vibration transmission module comprises an ultrasonic scalpel tip (11), a connecting part (13), vibration node bosses (14) and a waveguide unit (15), wherein the ultrasonic scalpel tip (11)is arranged in front of the waveguide unit (15); the connecting part (13) is arranged at the rear of the waveguide unit (15); the vibration node boss (14) is arranged on the waveguide unit (15); the sharp end of the ultrasonic scalpel tip (11) is laterally bent; the ultrasonic scalpel bit (101) is provided with a vibration guide groove (12). By designing the ultrasonic scalpel bit into a bent shape and converting longitudinal ultrasonic vibration into longitudinal and torsional compound vibration, the ultrasonic haemostatic and cutting system can improve temperature uniformity inside of cut orcoagulated tissues and further improve the haemostatic and cutting efficiency and security.
Owner:北京水木天蓬医疗设备有限公司
Collagen micro fiber and preparation method thereof
The invention discloses a collagen micro fiber and a preparation method thereof. Provided are the collagen micro fiber and the preparation method thereof. The method comprises the following steps: 1) taking an isolated mammalian dermis and / or subcutaneous tissue layer as a raw material, and removing non-collagen components in the raw material to obtain a crude product; and 2) removing non collagen in the crude product obtained in the step 1), to obtain the collagen micro fiber. The preparation process of the method is simplified, and introduction of complex production equipment is not needed, so that difficult control of microorganisms, heavy metals and other factors in the production process is avoided, and the requirement of industrialized production can be met; the collagen micro fiber is suitable for large-area diffuse hemorrhage, has he advantages of fast hemostatic speed, high hemostatic efficiency, qualified heavy metal content and the like, and has wide application prospects.
Owner:YANTAI ZHENGHAI BIO TECH
Multifunctional closed hemostasis wound dressing and preparation method thereof
The invention discloses a multifunctional closed hemostasis wound dressing which is prepared by uniformly mixing chitosan, nanoparticles loaded with blood coagulation factors, pluronic F-127 and catechol under the condition of the room temperature. The multifunctional closed hemostasis wound dressing provided by the invention is high in bonding speed in a wet environment, has the advantages of high hemostasis efficiency, high antibacterial activity, safety, non-toxicity, good biocompatibility, low price, convenience in operation and the like, is suitable for arterial hemostasis, is simple in preparation method and can be produced on a large scale.
Owner:福州博美生物科技有限公司
Hemostasis device for vascular surgery
The invention discloses a hemostasis device for a vascular surgery. The technical scheme is that a waterproof layer is arranged in an outer layer, a liquid storage bag and an airbag are arranged between the waterproof layer and the inner top surface of the outer layer, a hose is arranged on the liquid storage bag, the hose penetrates through the outer layer to be connected to the bottom of the waterproof layer, a pressure sensor is arranged above the liquid storage bag, and an electric heating wire is arranged in the liquid storage bag; a gauze fixing block is arranged at the inner bottom of the outer layer; and a control panel and a zipper are arranged on the outer layer. By use of the zipper structure, gauze and the waterproof layer can be separated conveniently, and replacement of the gauze is facilitated; by use of the pressure sensor, the pressure of the airbag to a wound is visual, and secondary injury of overlarge pressure to the wound is avoided; the resistance wire is adoptedto properly heat the wound to improve activity of clotting factors and accelerate hemostasis; a CaCl2 solution contained in the liquid storage bag is used to moisten the gauze, and Ca2+ is used to accelerate blood coagulation and improve the efficiency of hemostasis; and a liquid in the storage bag is more accurately directed to the top of the gauze at the wound through the hose to improve the hemostatic effect.
Owner:THE FIRST AFFILIATED HOSPITAL OF MEDICAL COLLEGE OF XIAN JIAOTONG UNIV
Uterine filling balloon catheter
PendingCN111420245APromote aggregationGood hemostatic effectBalloon catheterSurgeryMolecular sievePhosphonium salt
The invention relates to a uterine filling balloon catheter. The uterine filling balloon catheter is composed of a catheter (1), a uterine balloon (2), a drainage cavity (11) and one-way valves (10).According to the invention, a red clay layer, a nano-chitosan molecular sieve layer and a quaternary phosphonium salt antibacterial layer are compounded on the surface of the uterine balloon, and thehemostatic effect of the uterine balloon is greatly improved through the compounding, so that the uterine filling balloon catheter provided by the invention has an excellent application prospect.
Owner:JIANGSU RUIJING TECH DEV
Improved endometrial hemostasis device
InactiveCN113768574AUniform effectGood effectBalloon catheterMedical devicesIntrauterine cavityCervix
The utility model discloses an improved endometrial hemostasis device, and relates to the technical field of gynecological hemostasis devices. The improved endometrial hemostasis device comprises an elastic cover body, a handle, a controller, a computer, a cervix uteri supporting pipe, a top rod-shaped air bag, a waist rod-shaped air bag, an atomized liquid medicine spraying hole, a liquid medicine conveying hose, a liquid medicine conveying header pipe, a first connector, a liquid medicine conveying header pipe, a flow pump, an atomized liquid medicine supply device, a first gas conveying pipe, a gas pressure adjusting mechanism, a spherical flow guide cover, a micro digital camera, a first solenoid valve and a control panel. The invention provides an air bag structure adaptive to uterine cavity, so that targeted hemostasis can be realized, and the hemostasis efficiency and the hemostasis effect are effectively improved.
Owner:王政乾
A hemostatic crosslinking composition, its preparation method and application, and hemostatic and anti-adhesion material obtained therefrom
ActiveCN104208742BImprove mechanical propertiesPromote degradationOrganic active ingredientsSurgeryMaterial requirementsGelatin
The invention provides a hemostatic cross-linking composition, the raw materials of which include gelatin and polysaccharides containing acyl groups or carboxyl groups. The invention also provides the preparation method and application of the hemostatic cross-linking composition. In addition, the present invention also provides a hemostatic and anti-adhesion material comprising the hemostatic crosslinking composition. The hemostatic cross-linked composition provided by the present invention has the characteristics of both gelatin hemostatic products and polysaccharide hemostatic products. Compared with the existing hemostatic products, it has obvious improvements in absorption performance, hemostatic and coagulation performance, and degradation performance. . The hemostatic and anti-adhesion material provided by the invention has the advantages of high hemostatic efficiency and controllable degradation time in vivo, can meet the requirements of hemostatic materials, especially hemostatic and anti-adhesion materials in the medical field, and has broad market application prospects.
Owner:成都吉泰医疗器械有限公司 +1
Porous hydrogel sponge as well as preparation method and application thereof
PendingCN113817214AGood biocompatibilityMild conditions for pore makingPharmaceutical delivery mechanismAbsorbent padsBiocompatibilityNanotechnology
The invention provides porous hydrogel sponge as well as preparation and application thereof. According to the porous hydrogel sponge, the pore structure is controllable, uniform and mutually communicated, the porosity and the specific surface area in the hydrogel sponge are effectively increased, and the water absorption and the hemostasis efficiency of the porous hydrogel sponge are improved. The porous hydrogel sponge is prepared by freeze-drying the porous hydrogel, and the preparation method is simple. The porous hydrogel sponge disclosed by the invention has excellent biocompatibility and degradability, and can be used for quickly and efficiently stopping bleeding of various wounds.
Owner:INST OF MEDICINE & HEALTH GUANGDONG ACAD OF SCI
A blood protein responsive γ-polyglutamic acid hydrogel hemostatic material and its preparation method and application
ActiveCN107596429BGuarantee "anchor" abilityGood hemostatic effectSurgical adhesivesPhenyl groupBlood coagulations
The invention provides a blood protein responsive type gamma-PGA (polyglutamic acid) hydrogel hemostasis material as well as a preparation method and an application thereof. The hemostasis material isprepared from a PHPA and DA (dopamine) molecule functionalized gamma-PGA polymer, a solvent with water as a main body, horseradish peroxidase and hydrogen peroxide, the synergetic enhancement effectof gamma-PGA, PHPA and DA on integration of wet high-strength wound is realized and the efficient blocking and hemostasis effect is achieved through Fe<3+> in gamma-PGA complexing blood, adsorption and blood coagulation of blood protein under the inducing action of benzene ring hydrophobic functional groups in PHPA and gel forming through oxidation and crosslinking by catechol groups in DA. The provided gamma-PGA hydrogel hemostasis material can effectively overcome the limitation of conventional pressing hemostasis method in application fields, besides, the problems that numerous hemostasis materials have poor blood responsiveness, poor integration capability for the wet bleeding wound and the like at present are solved, and the blood protein responsive type gamma-PGA hydrogel hemostasismaterial has the advantages of being high in hemostasis efficiency, good in biocompatibility, capable of allowing orthotopic injection of matched complicated wound types and the like and has broad market application prospects.
Owner:NANJING SHINEKING BIOTECH CO LTD
Medical surgical hemostasis auxiliary device and prompt method
The invention discloses a medical surgical hemostasis auxiliary device and a prompt method. The device comprises a fixing plate, a stroke plate, first studs, a lamination plate, a second stud, a second rotary knob and screw holes, wherein the lower surface of the fixing plate is provided with the stroke plate; the middle position of the fixing plate is provided with a through hole; the second rotary knob is rotatably spliced in the through hole; the second stud is rotatably spliced in the second rotary knob; the lower end of the second stud is connected with the upper surface of the stroke plate; two ends of the fixing plate are symmetrically provided with positioning grooves; a bandage is spliced in each positioning groove; the lower surface of the stroke plate is fixedly provided with the lamination plate; the lower surface of the lamination plate is fixedly provided with an air bag; four corners of the stroke plate are independently provided with the screw holes; the first stud is rotatably spliced in each screw hole; and the lower end of each first stud is provided with a rubber block. The first studs are arranged to rotate to compress the edge of the lamination plate, so thatthe lamination plate is more favorably laminated to the skin surface of the patient, and an effect of hemostasis by compression is better.
Owner:王加玮
Hemostatic sac for obstetrics and gynecology
InactiveCN110384533AImprove comfortImprove the quality of hemostasisMedical devicesOcculdersObstetric historyContact layer
The invention discloses a hemostatic sac for obstetrics and gynecology, and relates to the technical field of obstetrics and gynecology equipment. A syringe is installed at one end of a hemostatic sacbody, the syringe is internally provided with a push rod, a connecting seat is installed on the syringe, a protruding end is arranged at one end of the connecting seat, a connecting jack is arrangedat the bottom end of the connecting seat, a medicine bottle is installed in the connecting jack, the medicine bottle is internally provided with an extraction pipe, a plurality of air transport pipesare arranged at the other end of the connecting seat, an auxiliary hemostatic sac is arranged at one ends of the air transport pipes, a main hemostatic sac is arranged at one end of the auxiliary hemostatic sac, the air transport pipes are connected with an air sac through connecting pipes, the main hemostatic sac is internally provided with a built-in cavity, the air sac is provided with a jack,a contact layer is arranged on the outer wall of the main hemostatic sac, and a liquid leading layer is arranged at one end of the contact layer. According to the hemostatic sac for obstetrics and gynecology, the main hemostatic sac is inserted into the vaginas of patients for hemostasis, the main hemostatic sac is adjusted in size during use of the main hemostatic sac through the air sac so as tobe suitable for the use conditions of different patients, and the quality of hemostasis is improved advantageously.
Owner:封艳
Polyvinyl alcohol sponge with ordered porous structure prepared on basis of 3D printing template and application thereof
PendingCN113831668AQuick guideGood biocompatibilityPharmaceutical delivery mechanismAbsorbent padsPolyvinyl alcohol spongeHemolysis
The invention provides a polyvinyl alcohol sponge with an ordered porous structure prepared on the basis of a 3D printing template and an application thereof. When the sponge with ordered micro-channels makes contact with blood, the sponge can rapidly guide and absorb the blood, and a large number of regularly-arranged red blood cells are gathered in the micro-porous structure at the bottom of the sponge. The sponge prepared by combining structured ordered micro-channels and disordered holes greatly shortens the blood coagulation time and improves the hemostasis efficiency. The used raw materials have excellent biocompatibility, and potential biological safety and side effects are eliminated in the clinical use process. The used raw materials have excellent blood compatibility, do not cause hemolytic reaction and do not affect endogenous and exogenous blood coagulation pathways.
Owner:WENZHOU INST UNIV OF CHINESE ACAD OF SCI
Hemostatic material for infants and preparation method thereof
InactiveCN111298190ASimple processReduce manufacturing costSurgical adhesivesPharmaceutical delivery mechanismPolymer scienceMeth-
The invention discloses a hemostatic material for infants. The hemostatic material is characterized by being prepared from the following raw materials in parts by weight: 5 to 10 parts of a sodium-beta-cyclodextrin metal organic framework, 50 to 60 parts of 4-hydroxybutyl acrylate glycidyl ether-modified hyperbranched polylysine, 1 to 2 parts of allyl B-D glucopyranoside-modified graphene quantumdots, 8 to 12 parts of incense ash, 1 to 3 parts of 4-methacrylamide salicylic acid, 0.5 to 1.5 parts of a coupling agent and 0.05 to 0.08 part of an initiator. The invention also discloses a preparation method of the hemostatic material for infants. The hemostatic material for infants disclosed by the invention is remarkable in hemostatic effect, high in hemostatic efficiency, small in irritationto infant tissues, high in safety and small in toxic and side effects, and has a relatively high clinical practical value.
Owner:杨晓菲
Hemostatic device for vascular surgery
The invention provides a hemostatic device for vascular surgery. The adopted technical solution is that there is a waterproof layer inside the outer layer, a liquid storage bag and an air bag are arranged between the waterproof layer and the inner top surface of the outer layer, and a soft bag is arranged on the liquid storage bag. Tubes and hoses pass through the outer layer and are connected to the bottom of the waterproof layer. There is a pressure sensor on the top of the fluid storage bag and a heating wire inside; there is a gauze fixing block at the inner bottom of the outer layer; there is a control panel and a zipper on the outer layer. By adopting the zipper structure, it is convenient to separate the gauze from the waterproof layer and facilitate the replacement of the gauze; by using the pressure sensor, the pressure of the airbag on the wound can be visualized to avoid secondary damage to the wound caused by excessive pressure; Appropriate heating can increase the activity of coagulation factors and accelerate hemostasis; by using the CaCl2 solution contained in the fluid storage bag to moisten the gauze, Ca2+ can be used to accelerate blood coagulation and improve the hemostasis efficiency; Used to guide above the gauze at the wound site to improve hemostasis.
Owner:THE FIRST AFFILIATED HOSPITAL OF MEDICAL COLLEGE OF XIAN JIAOTONG UNIV
Hemostatic material for nephrology department and preparation method thereof
InactiveCN110251717ASimple preparation processRaw materials are easy to getSurgical adhesivesPharmaceutical delivery mechanismEpoxySide effect
The invention discloses a preparation method of a hemostatic material for nephrology department, wherein the preparation method includes the following steps: (1) ionization of di[2-[4-(2,2-dicyanovinyl)-3-methylphenyl]ethyl amino]adipate with epoxy chloropropane; (2) preparation of modified cyclodextrin; (3) preparation of modified chitosan; (4) preparation of ethyl-modified dopamine 3-beta-D-sodium glucosiduronate; (5) formation of a hemostatic material substrate; and (6) modification of the hemostatic material substrate. The invention also discloses the hemostatic material used for nephrology department and prepared according to the preparation method of the hemostatic material for nephrology department. The hemostatic material for nephrology department has the advantages of good hemostatic effect, good biocompatibility, high hemostatic efficiency, small side effects and safe use and can promote wound healing.
Owner:孙晓英
A rapid hemostasis device for hepatobiliary surgery
InactiveCN110960316BAvoid churnReduce wasteMedical applicatorsSurgical instruments for heatingPharmacy medicineHematological test
Owner:江志杰
Processing method of degreased spun rayon yarns
The invention discloses a processing method of degreased human cotton yarns. The method is characterized by comprising the following steps that (1), the degreased human cotton yarns are prepared; (2),seaweed fiber and the degreased human cotton yarns are subjected to plying; (3), the degreased human cotton yarns are subjected to an alkaline bath, after the alkaline bath is conducted multiple times, the degreased human cotton yarns are taken out and naturally dried; (4), after the degreased human cotton yarns subjected to plying are cooled to room temperature, rinsing is conducted again; (5),the degreased human cotton yarns are immersed in liquid medicine, and soaking is conducted for 2-3 hours, wherein the ratio of the degreased human cotton yarns to the liquid medicine is 1:25; (6), heating is conducted during soaking, heating is conducted to reach 60-80 DEG C, and stirring is conducted continuously for 1-1.5 hours; (7), the soaked degreased human cotton yarns are taken out and putin a softening solution, and stirring and cleaning are conducted for 15-30 minutes; (8), the degreased human cotton yarns are taken out and washed with clear water 2-3 times, and then dewatering and drying in the shade are conducted. Compared with the prior art, the technology is simple, operation is facilitated, and the water absorption of the degreased human cotton yarns is effectively improvedthrough the alginate fiber; by means of soaking in the liquid medicine, the degreased human cotton yarns can obtain the property of a medicine.
Owner:徐州锦业纺织科技有限公司
Convenient-to-adjust intelligent arm hemostasis device and method for department of cardiology
InactiveCN114469242AFast disinfectionPlay a protective effectMedical devicesMedical applicatorsApparatus instrumentsBiomedical engineering
The invention discloses a convenient-to-adjust intelligent arm hemostasis device and method for the cardiology department and relates to the technical field of medical instruments.The convenient-to-adjust intelligent arm hemostasis device comprises a base, a left backup plate and a right backup plate which are symmetrical are installed at the two ends of the top of the base respectively, and one end of the top of the left backup plate and one end of the top of the right backup plate jointly form a fixed connection structure through a supporting rod; an adjusting assembly is installed on the side face of the right backup plate, the inner side of the adjusting assembly is connected with a disinfecting and hemostasis assembly and a binding assembly, and an arm placing assembly is installed at the position, below the disinfecting and hemostasis assembly and the binding assembly, of the top of the base. In addition, compared with a traditional manual hemostasis mode, due to the intelligent operation design of the structure, the workload of medical staff can be reduced, the labor cost can be reduced, the hemostasis binding efficiency can be improved, the operation accuracy is guaranteed, and the use convenience is improved.
Owner:青岛山大齐鲁医院(山东大学齐鲁医院(青岛))
A femoral artery compression hemostasis device
ActiveCN104490443BEasy to removeContinuous pressureSurgeryMedical applicatorsThree vesselsFemoral artery
The invention provides a femoral artery compression and hemostasis device, which at least includes a hemostatic unit and a fixing unit. The hemostatic unit includes a pressurizing knob, a sleeve threadedly connected to the pressurizing knob, and a compression pad connected to the bottom surface of the pressurizing knob. The fixing unit It includes a support stabilizer bar, a tail fixed on the support stabilizer bar, a leg support plate and a fixed belt located under the support stabilizer bar. The support stabilizer bar and the leg support plate are connected through a fixed belt, and the support stabilizer bar is perpendicular to the pressure knob. One end is connected to the tail wing, and the other end is threadedly connected to the casing; the compression pad includes a base pad, a vascular compression pad and a hemostatic dressing. The vascular compression pad and the hemostatic dressing are fixed on the bottom surface of the base pad left and right, and the vascular compression pad is close to For hemostatic dressings, the area of the hemostatic dressing is larger than the area of the vascular compression pad, and the height of the vascular compression pad is not less than the height of the hemostatic dressing; the hemostatic device has high hemostatic efficiency, can be stably fixed at the puncture point of the human leg, and can reduce the pain on the leg. Pressure.
Owner:WUHAN GREENOVO BIOTECH
Adhesive self-repairing hemostatic membrane and preparation method thereof
ActiveCN112023109BHigh mechanical strengthHigh mixPharmaceutical delivery mechanismAbsorbent padsBlood filmMeth-
Owner:SHANDONG BRANDEN MEDICAL DEVICE
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