74 results about "Surgical Hemostasis" patented technology

The invention relates to a medical compound micropore polysaccharide and application in hemostasis on wound surface bleeding areas of various wounds and operation tissues. The medical compound micropore polysaccharide is prepared by adopting a method with the following steps: (1) preparing starch fluid; (2) preparing carboxymethyl chitosan solution; (3) mixing the starch fluid and the carboxymethyl chitosan solution, and adding dispersant and emulsifier into the mixture; (4) emulsifying, crosslinking and co-polymerizing; and (5) refining, drying, packing and sterile treatment. The invention also discloses application of the medical compound micropore polysaccharide in preparing a hemostasis medicament used for the wound surface bleeding areas of wounds and operation tissues. The medical compound micropore polysaccharide of the invention has the following characteristics: 1, the hemostasis time is short, namely the hemostasis is generally finished in 3 to 5 minutes; 2, the medical compound micropore polysaccharide has no antigenicity, has polysaccharide components, and has no protein or immune reaction; 3, the medical compound micropore polysaccharide can be fully degraded and absorbed in vivo; 4, the medical compound micropore polysaccharide is a sterile product and is convenient to use by opening; and 5, the tissue reaction is light. Therefore, the medical compound micropore polysaccharide is a comparatively ideal surgical hemostasis product.

The invention relates to the technical fields of surgical hemostasis and chronic heal wound hemostasis and wound protection, and in particular relates to a biodegradable hemostatic membrane. Alkaline crosslinking is carried out on sodium hyaluronate, a cellulose derivative and a cross-linking agent to obtain gel I; sodium alginate or sodium hyaluronate and 1,4-Butanediol diglycidyl ether are mixed to obtain gel II; the gel I and the gel II are mixed and cross-linked, and then purified and dried, and subjected to film formation under pressure to obtain the biodegradable hemostatic membrane. The obtained membrane is loose in structure and high in safety, easily attaches to and disperses on the surface of a wound, quick to stop bleeding, good in biocompatibility, suitably adjustable in in-vivo degradation time, wide in application range, low in cost, short in process period, little in pollution, low in energy consumption and easy for realizing industrialization, and has the good functions of stopping bleeding, promoting healing and preventing inflammation.

The invention discloses a novel vascular surgery department artery-vein surgical hemostasis device which comprises a first pressing plate. The left end of the first pressing plate is fixedly connected with one end of a second elastic cord, the right end of the first pressing plate is fixedly connected with one end of a first elastic cord, a second pressure gauge, a battery and a first pressure gauge are sequentially arranged on the upper surface of the first pressing plate from left to right, a switch is arranged on one side of the second pressure gauge, second pressing plates are arranged on the front and back sides of the lower surface of the first pressing plate, and the second pressing plates are in sliding connection with the first pressing plate; according to the novel vascular surgery department artery-vein surgical hemostasis device, hemostasis of a wound by compression is achieved through the first pressing plate and a hemostatic medicine bag, the pressure for compressing the wound is convenient to control, adjustment is convenient, artery-vein vessels on the two sides of the wound are made closer through the second pressing plates, wound healing is convenient, rapid hemostasis can be achieved, and the device is simple in structure and convenient to use, capable of being recycled after being disinfected by replacing the hemostatic medicine bag and low in cost.

The invention discloses a polysaccharide hemostatic dressing as well as a preparation method and an application thereof. The polysaccharide hemostatic dressing is membrane or sponge-like product prepared by carrying out a cross-linking reaction on aminopolysaccharides and oxidized polysaccharides, wherein the aminopolysaccharides refer to one or more of hyaluronic acid, chondroitin sulfate, heparin, chitosan, hydroxyethyl chitosan, hydroxypropyl chitosan, sulfonated chitosan, hydroxybutyl chitosan, carboxymethyl chitosan, succinyl chitosan or other chitosan derivatives; the oxidized polysaccharides refer to one or more of oxidized polysaccharides containing dialdehyde groups; and saccharide units containing the dialdehyde groups account for 1-70% of total saccharide units of the polysaccharide molecule. The polysaccharide hemostatic dressing disclosed by the invention has an obvious hemostasis effect, is capable of obviously shortening the hemostasis time of the wound surface, is non-toxic, and has excellent biocompatibility. The polysaccharide hemostatic dressing can be used for preparing medical apparatuses and instruments for traumatic hemostasis and surgical hemostasis, servesas hemostatic dressing medical apparatuses and instruments to be developed, and has wide market prospects.

The invention provides a polyelectrolyte composition hydrogel hemostatic based on polysaccharide / polypeptide. The polyelectrolyte composition hydrogel hemostatic is prepared from a polysaccharide solution and a polypeptide solution through mixing and physical crosslinking, wherein the polysaccharide solution comprises a xanthan gum; and the polypeptide solution comprises polylysine. After the polysaccharide solution and the polylysine solution of different ratios are mutually mixed, physical crosslinking is implemented under electrostatic interactions of molecules and interactions of hydrogenbonds of the molecules, and then hydrogel is rapidly generated. Because of advantages of being rapid in gelatinization, good in biocompatibility, and the like, the hydrogel can be used as the hydrogelhemostatic and is applied to trauma hemostasis and surgical hemostasis.

The invention provides an insoluble polysaccharide compound with a hemostatic function. The compound includes insoluble polysaccharide and a blood component. The blood component is whole blood or plasma, and the insoluble polysaccharide is macromolecular polysaccharide insoluble in whole blood or plasma. According to the invention, by mixing the blood component with the insoluble polysaccharide, the blood component undergoes clotting reaction evenly and dispersedly on the surface of the insoluble polysaccharide, so that clotting factors generated in the clotting process can be adsorbed by the insoluble polysaccharide surface, and high clotting activity can be maintained, thereby obtaining a composite hemostatic material with an excellent clotting effect. The preparation method of the insoluble polysaccharide compound provided by the invention is simple, and is convenient and safe to use, thus being widely applicable to trauma and surgical hemostasis. The insoluble polysaccharide compound can be combined with other medical materials and medical instruments so as to be prepared into band aids, infusion bands, self-adhesive dressings, tablets and capsule core materials, operation packages and first-aid packets, etc. At the same time, the adsorption performance and other characteristics of the insoluble polysaccharide compound are utilized to adsorb antibiotics, painkillers and the like thereinto, thus achieving better curative effect.

The invention discloses a novel vascular surgery department artery-vein surgical hemostasis device which comprises a first pressing plate. The left end of the first pressing plate is fixedly connected with one end of a second elastic cord, the right end of the first pressing plate is fixedly connected with one end of a first elastic cord, a second pressure gauge, a battery and a first pressure gauge are sequentially arranged on the upper surface of the first pressing plate from left to right, a switch is arranged on one side of the second pressure gauge, second pressing plates are arranged on the front and back sides of the lower surface of the first pressing plate, and the second pressing plates are in sliding connection with the first pressing plate; according to the novel vascular surgery department artery-vein surgical hemostasis device, hemostasis of a wound by compression is achieved through the first pressing plate and a hemostatic medicine bag, the pressure for compressing the wound is convenient to control, adjustment is convenient, artery-vein vessels on the two sides of the wound are made closer through the second pressing plates, wound healing is convenient, rapid hemostasis can be achieved, and the device is simple in structure and convenient to use, capable of being recycled after being disinfected by replacing the hemostatic medicine bag and low in cost.

The invention discloses a medical bleeding stopping dressing, a preparation method and an application of the preparation method. The medical bleeding stopping dressing provided by the invention comprises the following raw materials in parts by weight of 0.5-2 parts of recombinant collagen, 1-5 parts of a water soluble polymer, and 0.2-1 part of a water retention agent. The medical bleeding stopping dressing provided by the invention has high water absorption and blood absorption properties, the moisture absorption multiplying power is 50-300 times of self weight of the medical bleeding stopping dressing, wound liquid can be effectively eliminated, and the medical bleeding stopping dressing has obvious bleeding stopping effects on bleeding wounds. The water retention agent and the water soluble polymer are added, so that the dressing is soft and smooth in surface and free from adhesion, and secondary damage of the wounds in the bleeding stopping and wound cleaning process can be avoided. In addition, the raw materials are the recombinant collagen, medicine carrying capacity is high, the effect of healing wounds is obvious, and the medical bleeding stopping dressing is widely applied, can be used for surgical hemostasis high in bleeding amount and elimination and treatment of common wounds, and is suitable for wounds of various stages.

The invention provides a spray drug delivery device, which includes a body with a hollow inner cavity, the inner cavity of the body is provided with a mixing chamber, a drug storage device, and a nozzle, the front end of the mixing chamber has a drug outlet, and the rear end of the mixing chamber is connected to the nozzle A drug storage device is communicated with the side wall of the mixing chamber; the drug storage device includes a drug suction tube and a drug container, one end of the drug suction tube communicates with the mixing chamber, and the other end extends into the drug container through the mouth of the drug container. A spray drug delivery device of the present invention utilizes the principle of a jet pump, uses medium and low-pressure gas as a carrier, sucks the drug into the mixing chamber and mixes the two fully, then carries it again and sprays it to the wound surface to achieve stable and uniform drug delivery. , dispersed; and can replace or add any form of medicine as needed, which is convenient for the operator and improves the effect of surgical hemostasis.

The invention relates to a novel cyanoacrylate medical adhesive and preparation method and application thereof, the main components of the medical adhesive is composed of alkyl cyanoacrylate and / or alkoxv cyanoacrylate and lactyl cyanoacrylate, and by adding a novel stabilizer system, the stability of the novel cyanoacrylate medical adhesive product in the invention increases substantially, the product can be stored and transported at room temperature, degradation performance of the product was greatly improved, the main technical indicators of product such as curing time and mechanical properties can meet the clinical needs, and the user experience of the product such as adhesive film flexibility is greatly improved, so the cyanoacry late medical adhesive is an widely used surgical hemostatic materials.

The invention discloses an amino sugar hemostatic medical material, and a preparation method and application thereof. The amino sufar hemostatic medical material is a membrane-like or sponge-like product formed by cross-linking reaction of aminoglycan and oxidized polysaccharide; the amino polysaccharide is one or more of hyaluronic acid, chondroitin sulfate, heparin, chitosan, hydroxyethyl chitosan, hydroxypropyl chitosan, sulfonated chitosan, hydroxybutyl chitosan, carboxymethyl chitosan, succinyl chitosan or other chitosan derivatives; the oxidized polysaccharide is one or several of oxidized polysaccharides containing dialdehyde groups, wherein the percentage of sugar units containing dialdehyde groups to the total sugar units of the polysaccharide molecule is 1% to 70%. The amino sugar hemostatic medical material of the invention has remarkable hemostatic effect, remarkably shortens hemostatic time of wound surface, is non-toxic, and has good biocompatibility. It can be used to prepare traumatic hemostasis and surgical hemostasis medical devices, as hemostasis dressing medical devices for development, has broad market prospects.

The device comprises a machine body, a base is fixedly installed at the lower end of the machine body, pulleys are fixedly installed at the four corners of the lower end of the base, a drawer is movably connected to the lower portion of the front end of the machine body in a penetrating and inserting mode, a control panel is fixedly installed on the upper portion of the front end of the machine body, and a displayer is arranged on the left side of the control panel. The rear end of the displayer is fixedly connected with the machine body, a lifting mechanism is fixedly installed in the middle of the upper end of the machine body, an adjusting device is fixedly installed at the right end of the lifting mechanism, and a pushing handrail is fixedly installed on the upper portion of the left end of the machine body. According to the hemostasis device for the cardiology department operation, the device can be adjusted up and down through the lifting mechanism, so that medical staff are assisted to press and stop bleeding of a patient, liquid medicine in a medicine bag can flow into hemostatic cotton through a pressing mechanism to stop bleeding of the patient when necessary, the workload of the medical staff is relieved, and the working efficiency of the medical staff is improved. The hemostat is suitable for hemostasis in cardiology surgery.

The invention discloses an operation hemostasis device for general surgery doctors, relates to the technical field of medical equipment. Aiming to solve the problems that an existing hemostasis compressor is inconvenient to adjust the compression force, inconvenient to use, limited in use position and the like, the following scheme is proposed, the operation hemostasis device comprises a first connecting mechanism and a second connecting mechanism, the second connecting mechanism is arranged at the top of the first connecting mechanism, a tensioning belt is connected between the first connecting mechanism and the second connecting mechanism, the first connecting mechanism comprises a connecting plate, a cavity is formed in the inner wall of the connecting plate, a fixing block is welded to the inner wall of the cavity, and a push rod is arranged on the fixing block in a penetrating mode. The hemostasis device is simple and novel in structure, ingenious in design, capable of conducting multiple compression hemostasis on a bleeding part, capable of improving the hemostasis effect, capable of flexibly adjusting the hemostasis pressure according to the actual use condition, simple in step, capable of improving the working efficiency, suitable for being used at different positions and suitable for application and popularization.

The invention provides a disposable prepuce turner. The turner is made of plastic and at least comprises a positioning ring. The positioning ring can be of an integrated structure or a detachable structure. The positioning ring is sleeved with three to six fixing clips capable of freely moving along the positioning ring. Each fixing clip at least comprises an upper clamping plate and a lower clamping plate which are of an integrated structure, and further comprises a buckling piece used for keeping the clamping state of the upper clamping plate and the lower clamping plate. A plurality of surgical hemostasis forceps needed in the prepuce turning process can be replaced by the disposable prepuce turner, one man operation is facilitated, and patient cross infection is effectively avoided through disposable using; meanwhile, the disposable prepuce turner has the advantages of being low in cost, easy to disinfect, simple in structure and the like.

The invention belongs to medical instruments used for surgical hemostasis and provides a casing pipe rotating shaft type bipolar electrocoagulator. The bipolar electrocoagulator comprises an electric connector, an electrode handle and a working electrode; a connecting rod between the electrode handle and the working electrode is composed of an inner casing pipe and an outer casing pipe which can axially rotate relative to each other; an insulating layer is arranged between the inner casing pipe and the outer casing pipe, one end of the inner casing pipe and one end of the outer casing pipe are connected with the working electrode separately, and certain included angles are formed between the inner casing pipe and the working electrode and between the outer casing pipe and the working electrode; the working electrode is opened or closed when the inner casing pipe and the outer casing pipe axially rotate relative to each other. The casing pipe rotating shaft type bipolar electrocoagulator can be connected with a high-frequency electric knife, a bipolar electrocoagulator and a host of a radio-frequency or low-temperature plasma radio-frequency surgery system in an operating room through wire plugs or adapters, the structure is simple and durable, and the hemostatic effect is good. The inner casing pipe and the outer casing pipe can be connected with a water dropping tube and a suction tube respectively, so that the bipolar electrocoagulator has the water dripping, adhesion prevention and suction functions. The casing pipe rotating shaft type bipolar electrocoagulator is made of medical-grade non-toxic and high-temperature-resistant materials, and can be repeatedly disinfected or disposable.

The invention provides a hemostasis composition. The hemostasis composition comprises trypsin and zeolite; pore channels of the zeolite are micropores; the zeolite includes divalent metal positive ions; the mass ratio of the trypsin to the zeolite is 1:200-4:10. According to the hemostasis composition, the trypsin and the zeolite are specifically bound, so that the trypsin keeps a certain conformation on the surface of the zeolite, and higher procoagulant activity is obtained, and thereby, the hemostasis composition with an excellent blood coagulation effect is obtained. The hemostasis composition provided by the invention has a simple preparation method, is low in cost, and convenient to use, can be widely used for traumas and surgical hemostasis, and is especially suitable for emergencyhemostasis of hemophilia patients.

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.

The invention relates to a circumcision suture device which comprises a comprehensive cover, a circumcision cover, a staple ejecting ring and a circumcision knife. The lower end of the circumcision cover is inserted into comprehensive cover, the upper end of the circumcision cover is supported on the top of the comprehensive cover and is used for being matched with the comprehensive cover for clamping prepuces, a plurality of annular staple grooves for accommodating staples are formed in the transparent comprehensive cover, gaps are reserved between the staples, the inner surfaces and the outer surfaces of the staple grooves are made of transparent materials, the gaps are made of semi-transparent materials, the staple ejecting ring is arranged in the comprehensive cover, transparent ejector pins which are in one-to-one correspondence with the staples are arranged on the top of the staple ejecting ring, and the circumference knife is arranged in the transparent staple ejecting ring. The circumcision suture device has the advantages that corresponding conditions of blood vessels of the prepuces and the staples can be accurately judged during surgery, the blood vessels can be fastened by the staples under the optimal effects, and accordingly surgical hemostasis effects can be greatly improved.

The invention provides a hemostatic fabric containing trypsin. The hemostatic fabric contains a molecular sieve fiber compound and the trypsin, wherein the molecular sieve fiber compound contains molecular sieves and fibers, and the molecular sieves are distributed on the surfaces of the fibers and are in direct contact with the surfaces of the fibers; contact surfaces between the molecular sievesand the fibers do not contain binder and are inner surfaces, and the inner surfaces are rough planes, and growth matching coupling is formed between the molecular sieves and the fibers on the inner surfaces. By specifically combining the trypsin with the molecular sieve fiber compound and maintaining relatively high procoagulant activity, the hemostatic fabric with an excellent blood coagulationeffect is obtained. The preparation method of the hemostatic fabric is simple and low in cost, and the hemostatic fabric is convenient to use and can be widely applied to surgical hemostasis.

The invention relates to the field of hemostatic forceps, and particularly discloses a pair of surgery hemostatic forceps for general surgery department. Aiming to the problem that the existing surgery hemostatic forceps is inconvenient to operate, the following scheme is proposed: the surgery hemostatic forceps comprises a first handle bar and a second handle bar, the first handle bar is hinged with the second handle bar, the ends of the first handle bar and the second handle bar are both connected with straight heads, one sides, close to each other, of the straight heads, which are close toeach other, of the first handle bar and the second handle bar are provided with chutes, the chutes are internally connected with sliding blocks in a sliding manner, and one sides, close to each other,of the two sliding blocks are provided with elbows, and a fixing plate is arranged between the first handle bar and the second handle bar. The surgery hemostatic forceps has the advantages that the switching of straight heads and elbows ca n be realized on a same pair of surgery hemostatic forceps, so that wasting of resources is avoided; meanwhile, after a clamping position of the surgery hemostatic forceps is determined, an angle between the handle bars can be effectively fixed, so as to perform effective hemostasis processing on a patient, and can also avoid causing tissue damage to the patient; the surgery hemostatic forceps for general surgery department is suitable for popularization.

The invention discloses a snake venom prothrombin activator and a snake venom prothrombin activator-based fast hemostatic material. The snake venom prothrombin activator with coagulating activity is extracted by adopting a column chromatography; accurate separation is achieved through changing chromatographic conditions and adjusting technical parameters; and an operation can be carried out at room temperature, so that the requirements for experimental conditions are simple and production is easy to amplify. A selected chromatography column can be repeatedly used, so that the snake venom prothrombin activator has the advantages of low cost, high yield and high product purity. The snake venom prothrombin activator-based fast hemostatic material disclosed by the invention can maintain maximum activity and stability of the snake venom prothrombin activator, is safe and free of toxic and side effects, can rapidly stop bleeding, can prevent secondary bleeding and infection, can be applied to accident emergency, surgical hemostasis and hemostasis of wartime traumas, is especially suitable for arterial haemorrhage, can rapidly stop bleeding and does not generate a secondary trauma.

The invention relates to a soluble hydroxyethyl modified cotton fiber fabric and a preparation method thereof, and belongs to the technical field of medical products. The soluble hydroxyethyl modifiedcotton fiber fabric comprises a soluble hydroxyethyl modified cotton fiber fabric body, and the surface layer of the soluble hydroxyethyl modified cotton fiber fabric body is formed by interweaving acompact cotton fiber cohesion entanglement structure and a warp and weft weaving structure. According to the soluble hydroxyethyl modified cotton fiber fabric, the warp and weft weaving structure ofgauze is changed, only a part of the warp and weft form is reserved in the new fabric, the fabric structure is more compact, fluff is formed on the surface, and the dissolving speed of the fabric is lower than that of a gauze structure in a dissolving process. In an actual operation of surgical hemostasis, the operation time is further improved.

The invention discloses a medicament for local anesthesia and analgesia and a preparation method of the medicament. The medicament for local anesthesia and analgesia is prepared from the following raw materials in parts by weight: traditional Chinese medicine decoction piece components A: 0.2-0.5 part of aconitum bullatifolium levl, 0.8-1.2 parts of cissampelini methiodidum, 0.3-0.5 part of henbane leaves, 6-20 parts of semen brassicae, 5-11 parts of radix glycyrrhizae, 10-20 parts of asarum macranthum, 13-25 parts of tinomiscium tonkinensis and 12-30 parts of iris speculatrix; fresh components B: 0.4-0.6 part of konishii, 3-6 parts of jasmine roots, 18-32 parts of himalayan eriosema roots and 7-15 parts of himalaya nightshade. The raw materials and auxiliary materials are prepared into spray, the spray is sprayed to the surface of to-be-narcotized skin during use, convenient to use and quick in effect taking. The medicament disclosed by the invention not only can achieve the local anesthesia and analgesia effect, but also has effect on surgical hemostasis, can be used for avoiding various untoward effects after anesthesia. According to the clinical verifications, the medicament is remarkable in effect and especially suitable for local anesthesia of surgical operation.

The invention relates to an eversion type circumcision device blood vessel butt joint device comprising an inner ring, an inner integral shield and blood vessel butt joint grooves; the inner ring and the inner integral shield are mutually matched or assembled; the plurality of blood vessel butt joint grooves are arranged on the periphery of the rear end of the inner ring; the blood vessel butt joint device on the inner ring can accurately determine foreskin blood vessel and U-nail matching conditions when an upper shield and a lower shield and the inner ring and the inner integral shield are mutually matched, thus accurately positioning blood vessels, finally positioning the inner ring and the inner integral shield and the upper and lower shields, and greatly improving operation haemostasis effect.

The invention relates to a blood vessel docking device for a built-in circumcision apparatus. The blood vessel docking device comprises a circumcision cover and a comprehensive cover and further comprises blood vessel corresponding grooves and / or blood vessel docking grooves, wherein the circumcision cover and the comprehensive cover are used for mutually being assembled or connected, a plurality of the blood vessel corresponding grooves are arranged along the periphery of the front end of the circumcision cover, and / or a plurality of the blood vessel docking grooves are arranged along the periphery of the front end of the comprehensive cover. By means of blood vessel corresponding / docking devices arranged on the circumcision cover and the comprehensive cover, a corresponding situation of wrapping blood vessels and U pins can be accurately judged when the circumcision cover and the comprehensive cover are matched; thus, the circumcision cover and the comprehensive cover can be finally located after the blood vessels are accurately located, and a surgical hemostasis effect is greatly improved.

The invention relates to the field of medical facilities, in particular to a wound surface hemostasis method for a catheter intervention operation. A haemostat comprises a supporting chassis, and thesupporting chassis comprises a rotating seat and a base, wherein the rotating seat and the base are separately located on the upper and lower ends. The tail end position of a telescopic column is fixedly connected with a fixed plate, a rotating arm is movably connected to one end of the fixed plate through a pressing cover, a connecting rod is rotatably installed on the fixed plate through a hingepin, and the other end of the connecting rod is movably connected with the end portion of the rotating arm through a moving shaft. A cylinder installing seat is fixedly installed on the fixed plate,a cylinder is hinged to the top end position of the cylinder installing seat through a hinge, and the cylinder is fixedly connected with the connecting rod through a cylinder connector. A lifting ropeis fixedly connected to the side end face of the rotating arm in a hooking mode through a buckle, and the tail end of the lifting rope is fixedly wound on a clamping seat. When hemostasis is performed during a surgical wound surgery, the wound surface hemostasis method is convenient to adjust and greatly reduces the pain of a patient, and meanwhile, the wound surface hemostasis method is convenient for hemostasis on the wound surface of all parts of the limb, is flexible in use, and improves the efficiency of treatment and reduces the difficulty of working for medical staff.

The invention relates to a medical compound micropore polysaccharide and application in hemostasis on wound surface bleeding areas of various wounds and operation tissues. The medical compound micropore polysaccharide is prepared by adopting a method with the following steps: (1) preparing starch fluid; (2) preparing carboxymethyl chitosan solution; (3) mixing the starch fluid and the carboxymethyl chitosan solution, and adding dispersant and emulsifier into the mixture; (4) emulsifying, crosslinking and co-polymerizing; and (5) refining, drying, packing and sterile treatment. The invention also discloses application of the medical compound micropore polysaccharide in preparing a hemostasis medicament used for the wound surface bleeding areas of wounds and operation tissues. The medical compound micropore polysaccharide of the invention has the following characteristics: 1, the hemostasis time is short, namely the hemostasis is generally finished in 3 to 5 minutes; 2, the medical compound micropore polysaccharide has no antigenicity, has polysaccharide components, and has no protein or immune reaction; 3, the medical compound micropore polysaccharide can be fully degraded and absorbed in vivo; 4, the medical compound micropore polysaccharide is a sterile product and is convenient to use by opening; and 5, the tissue reaction is light. Therefore, the medical compound micropore polysaccharide is a comparatively ideal surgical hemostasis product.

The invention discloses a vascular surgery arteriovenous surgery hemostasis device, which comprises a vascular surgery hemostasis mechanism body, a blood concentration adjusting mechanism, a hemostasis local fixing mechanism, a surgical hemostasis wrapping mechanism, a surgical blood leading-out mechanism, a comprehensive management control mechanism and an atomization cooling disinfection mechanism, wherein the hemostasis local fixing mechanism is arranged at one end of the vascular surgery hemostasis mechanism body, the surgical hemostasis wrapping mechanism is arranged at the other end of the hemostasis local fixing mechanism, the comprehensive management control mechanism is arranged on the outer side surface of an artery hemostasis wrapping mechanism, the atomization cooling disinfection mechanism is arranged on the inner side surface of the artery hemostasis wrapping mechanism, the blood concentration adjusting mechanism is arranged on the side surface of the other end of the surgical hemostasis wrapping mechanism, and the surgical blood leading-out mechanism is arranged on the side surface of the blood concentration adjusting mechanism. According to the invention, the device is simple in structure and convenient and fast to operate and use, hemostasis of limbs or local arteriovenous exposed parts of a patient can be achieved, the problem of large-area trauma of the body of the patient is effectively solved, and temporary hemostasis in an operation is achieved.

The invention relates to the technical field of surgical hemostasis, in particular to an electrotome limiting and cleaning device used in an operation and a using method thereof. The electrotome limiting and cleaning device comprises a base and a supporting column, wherein a fixing device is fixedly connected to the other end of the limiting device, and an electrotome is detachably connected to the inner side of the fixing device; and the limiting device comprises a balancing weight, a guide wheel, a pull rope, a rotating shell, a bearing and a guide pipe. By means of the balancing weight, theguide wheel, the pull rope, the rotating shell, the bearing and the guide pipe, through the action of the pull rope and the balancing weight, the electrotome main body can be ensured not to generateobvious displacement or even fall into a polluted area below an operating table from a sterile area of an operating table top in the operation process, so that pollution is avoided. Moreover, a cleaning and disinfecting part using the device can remove tissue eschar and pollutants at the head of the electrotome at any time in an operation, so that the normal operation of the electrotome is ensured, and the operation time is saved.

A non-pneumatic tourniquet including a tourniquet ring configured to resiliently constrict around a body part of a subject. The tourniquet ring defines a plurality of openings. A handle moves the tourniquet ring onto the body part and includes a first strap having a first end secured to the tourniquet ring at one of the openings and a second end secured to the tourniquet ring at one of the openings. A second strap has a first end secured to the tourniquet ring at one of the openings and a second end secured to the tourniquet ring at one of the openings.