22results about How to "Effective hemostasis" patented technology

The invention discloses a preparation method of a composite spray for improving the hemostatic ability of a wound part, the composite spray comprises a liquid A and a liquid B. The liquid B is a sodium alginate aqueous solution, a preparation method of the solution A comprises the following steps: 1, dissolving a lipopeptide conjugate, cholesterol, distearoyl phosphatidylcholine, distearoyl phosphatidylserine and dimethyl sulfoxide in a chloroform-methanol mixed solution to obtain a mixed system; 2, preparing the mixed system into a precursor solution by utilizing a film hydration method; 3, adding calcium chloride into the precursor solution, and reacting in a dark place to obtain a solution A; a precursor solution is designed according to the function of natural platelets, the function of the precursor solution is equivalent to that of nano platelets, the precursor solution is matched with sodium alginate, adverse effects on a blood coagulation system caused by fibrin degradation, platelet activation capability reduction and the like of a wound part due to blood loss can be relieved in a targeted manner, and the preparation has the advantages of rapid hemostasis, good biological activity, no toxic or side effects and the like. And the wound healing is rapid.

The present invention relates to a foldable hemostatic device, which belongs to the field of medical devices. The foldable hemostatic device includes a handle, a support assembly and an electrode assembly, the support assembly includes a first folding arm, a second folding arm and a bending assembly, the second folding arm is connected to the handle, the first folding arm and the second folding arm are hinged and the bending is controlled by the bending assembly; the electrode assembly includes a folding assembly and at least two electrodes, and the electrodes can be independently unfolded or folded. The foldable hemostatic device controls the direction of the electrode assembly through the support assembly, and the electrodes of the electrode assembly can rotate independently, so that the electrodes can change direction and unfold or fold. The foldable hemostatic device can be conveniently inserted into the part that needs hemostasis, and can achieve ultra-large range, strong and effective hemostasis; multiple electrodes have different arrangements, which are suitable for hemostasis of parts of different shapes; the electrode changes direction under the drive of the first folding arm, which can achieve hemostasis of tissues in different parts.

The application belongs to the technical field of biological medicine, and specifically discloses a sprayable double-network hydrogel microsphere adhesive as well as a preparation method and application thereof. The preparation method comprises the following steps: liquid paraffin and sorbitan monooleate, polyoxyethylene sorbitan monolaurate are taken as oil phases to form an emulsion; the emulsion is fully mixed with petroleum ether, centrifugal separation is performed on the gel hydrogel microspheres, and freeze-drying is performed on the gel hydrogel microspheres for storage in the dark; preparation of ropivacaine liposomes; ultrapure water is added into the lipid membrane to obtain a primary liposome suspension, the hydrogel microspheres are used to adsorb the liposomes, and the obtained double-network hydrogel microspheres are collected. The sprayable double-network hydrogel microsphere adhesive as well as the preparation method and application thereof can be used to prepare hydrogel microspheres which can quickly and uniformly cover irregular wounds, and the liposomes carrying ropivacaine can provide sustained analgesic release, so that the problems of maintaining sustained adhesion in a blood-saturated wound and prolonging pain relief are simultaneously solved.

The utility model relates to the technical field of medical supplies, in particular to degradable medicine-carrying hemostatic cotton with a double-layer structure, which comprises an internal hemostatic layer and an external functional layer wrapping the hemostatic layer, and the hemostatic layer and the functional layer are respectively formed by freeze-drying same polymer solutions with relatively high mass concentration and relatively low mass concentration. The functional layer is loaded with drugs, the porosity of the hemostatic layer is 60%-80%, and the porosity of the functional layer is 80%-90%. The high-concentration and low-porosity inner hemostatic layer provides mechanical compression force to play a role in rapid hemostasis in the initial stage, the low-concentration and high-porosity outer functional layer can be rapidly degraded, both compression strength and degradation speed are considered and balanced, meanwhile, the outer functional layer is used for loading drugs, and the outer functional layer has the characteristics of high porosity and rapid degradation, so that the effect of rapid hemostasis in the initial stage is achieved. The effect of rapidly releasing the medicine is achieved, it can be ensured that the medicine can be rapidly released to the bleeding part, and wound healing is promoted.

The invention discloses an external hemostatic and a preparation method thereof. The external hemostatic comprises the following components in parts by weight: 10-20 parts of lignum dalbergiae odoriferae, 5-10 parts of herba ecliptae and 5-10 parts of herba agrimoniae. The preparation method of the external hemostatic comprises the following steps: 1) raw material preparation: respectively preparing the dalbergia wood, the eclipta alba and the hairyvein agrimony in parts by weight; 2) crushing treatment: respectively crushing the lignum dalbergiae odoriferae, the herba ecliptae and the herba agrimoniae by using a crusher, and respectively sieving the crushed raw materials with a sieve of 80-100 meshes to obtain lignum dalbergiae odoriferae fine powder, herba ecliptae fine powder and herba agrimoniae fine powder; (3) uniformly mixing: stirring and mixing the obtained lignum dalbergiae odoriferae fine powder, herba ecliptae fine powder and herba agrimoniae fine powder, and sufficiently and uniformly mixing all the components; step 4) sterilization treatment: sterilizing the uniformly mixed medicinal powder; (5) bottling and sealing: putting the sterilized medicinal powder into a clean bottle, sealing, and storing in a dark place.

The utility model discloses a cardiac surgery postoperative wound pressurizing nursing belt, which relates to the technical field of medical nursing and comprises a pressing plate and straps arranged on two sides of the pressing plate, and a plurality of groups of pressurizing air bags are arranged on the pressing plate. The side face of the pressing plate is provided with an inflation inlet used for inflating the pressurizing air bag, and the outer side of the inflation inlet is rotationally sleeved with an air inlet. A plurality of groups of air inflation holes are formed in the air inflation port, and the air inflation holes are communicated with the pressurizing air bag through air delivery pipes; a group of air inlet holes corresponding to the inflation holes are formed in the bottom of the air inlet; an annular positioning seat is fixed to the middle of the inflation inlet, and a wavy guide groove is formed in the inner side of the positioning seat. A guide seat is mounted on the air inlet, and the guide seat is connected into the positioning seat through a reset spring; a guide pin clamped in the guide groove is arranged on the side surface of the guide seat; the specific air bag is independently inflated or deflated by adjusting the states of the inflation inlet and the air inlet.

The utility model discloses a kind of vascular surgery arteriovenous fistula hemostasis device, it is related to vascular surgery technical field.Aiming at the problem that existing arteriovenous fistula hemostasis device is easy to cause fistula occlusion due to excessive compression, the utility model includes fixator and the pressurizer being set in the upper portion of fixator.The pressurizer is constituted by mounting cylinder, pressing assembly and power assembly, power assembly promotes pressing assembly to slide to exert pressure, when reaching maximum compression value, make pressing assembly and power assembly lock on mounting cylinder by self-locking mechanism, prevent excessive compression.Pressing assembly includes pressing slide bar and pressing head, and power assembly includes push rod and self-locking piece.Fixator is stably worn in the hemostasis site of patient by pressing plate and constraint assembly.The utility model is suitable for vascular surgery, nephrology, interventional department and other arteriovenous fistula hemostasis treatment, can effectively stop bleeding and avoid fistula occlusion risk.

The invention provides a pure inorganic waxy active material and a preparation method and application thereof, and belongs to the technical field of medical materials.The preparation method of the pure inorganic waxy active material comprises the following steps that a sodium polyphosphate solution and a divalent cation solution are mixed and chelated, and waxy co-doped polyphosphate CoPPW is obtained; the divalent cation solution is a solution containing any one, two or three of Ca < 2 + >, Mg < 2 + > and Sr < 2 + >. The pure inorganic waxy active material provided by the invention has certain strength, can be molded and degraded, and has the effects of resisting bacteria, stopping bleeding, repairing bone defects and the like.

This invention relates to the field of medical high-fidelity training model technology, and discloses a multi-vascular network biomimetic hemostasis model and method for junctional wounds. The model includes a biomimetic model, a blood bank system, a control system, and a temperature control unit. A biomimetic multi-vascular network is embedded in the junction area of ​​the biomimetic model, and a biomimetic wound opening is provided at the corresponding position of the biomimetic multi-vascular network. The input end of the biomimetic multi-vascular network is connected to the output end of the blood bank system, and the output end of the biomimetic multi-vascular network is located inside the biomimetic wound opening. The temperature control unit is located at the input end of the biomimetic multi-vascular network. A pressure sensor is provided in the biomimetic wound cavity wall of the biomimetic wound opening, and hemostatic material is filled inside the biomimetic wound opening, with the hemostatic material in contact with the pressure sensor. The control terminal of the control system is electrically connected to the blood bank system, the temperature control unit, and the pressure sensor. This invention can realistically simulate the bleeding process of penetrating and blind-tube injuries in the junctional wound of the simulation model, facilitating simulation training.

The invention discloses a novel closing clip for an endoscope and a using method. An occlusion clip comprises a releaser, a winding and pulling line is connected to one side of the releaser in a winding mode, a clip applying cap is arranged on one side of the winding and pulling line, an anastomosis clip is arranged at the end, close to the clip applying cap, of the winding and pulling line, a bottom fixing cap is clamped to the bottom of the clip applying cap, and a support is arranged on one side of the releaser; the middle of the support is rotationally connected with a rotating block, one side of the rotating block is connected with a rotating hand wheel, the bottom of the support is provided with a thread guide cylinder, the bottom of the thread guide cylinder communicates with a guide pipe, one side of the clamping applying cap is provided with a side blocking piece, and the top of the side blocking piece and the bottom of the side blocking piece are each provided with a threading hole. The whole endoscope occlusion clamp facilitates fixed-point occlusion of large tissues, is convenient to use, and is beneficial to effective hemostasis and recovery of organ tissues.

The utility model belongs to the technical field of medical apparatus and instruments. The utility model discloses a kind of urinary surgery auxiliary anastomosis section with guiding positioner, including the pipe body with at least one cavity way;Guiding positioner head for the suture vector of suture needle is positioned and guided in one end of the pipe body, another end of the pipe body away from the guiding positioner head is also equipped with connector;It also includes the gasbag assembly for reducing anastomotic opening tension and assisting to complete pipeline limited indwelling in surgical process for being equipped on the pipe body.The utility model has the advantages of being able to accurately position and guide the suture vector of suture needle to reduce surgical risk, being able to complete pipeline limited indwelling and reduce anastomotic opening tension and reduce anastomotic opening tension in surgical process.

This invention relates to a two-component cross-linked oxidized nanocellulose spray hemostatic gel, its preparation method, and its application, belonging to the field of biomedical materials. Addressing the problems of weak adhesion, insufficient mechanical properties, and biocompatibility risks in existing hemostatic materials, this invention introduces aldehyde groups using sodium periodate to prepare an adhesive component (TOCN-CHO), and simultaneously modifies the carboxyl groups of TOCN with lysine to create a cross-linking component (TOCN-Lys). After the two components are sprayed and mixed, the aldehyde groups of TOCN-CHO bind to the amino groups on the tissue surface to achieve wound sealing. Simultaneously, the amino groups of TOCN-Lys form a Schiff base cross-linking network in situ with the aldehyde groups of TOCN-CHO, enhancing mechanical strength while eliminating aldehyde toxicity. The gel retains shear-thinning properties and can be sprayed. Animal experiments show that the hemostasis time is reduced to 28 seconds. It also exhibits biodegradability and renewability, effectively solving the problem of synergistic optimization of adhesion, mechanical strength, and biocompatibility, making it suitable for emergency hemostasis and surgical scenarios.

The utility model provides a femoral artery pressurizing hemostat which comprises a base unit and a pressing arm unit. The base unit comprises a hip supporting plate; a concave part corresponding to the buttocks is formed on the buttock supporting plate; a bed edge fixing component is formed on the side part of the hip supporting plate; vertical rods are formed at the upper parts of the bed edge fixing pieces; the upper part of the vertical rod is provided with a pipe body; the pipe body is combined with the external thread at the upper part of the vertical rod through the internal thread; the pressing arm unit comprises a cross arm; a lantern ring is formed at the first end of the cross arm; a second screw hole is formed in the lantern ring; a second bolt is mounted in the second screw hole; the lantern ring can be installed on the vertical rod in a sliding mode. A pressing rod is slidably mounted in a first through hole in the middle of the sliding block. The lower end of the pressing rod is provided with a pressing head made of silica gel; a third screw hole is formed in the sliding block; a third bolt is mounted in the third screw hole; a second through hole is formed in the sliding block in the left-right direction; the sliding block can be mounted on the cross arm in a sliding manner through the second through hole; the end of the third bolt abuts against the front side face of the cross arm.

The invention provides a tissue-like natural collagen composite absorbable suture line as well as a preparation method and application thereof, and relates to a biomedical material. The invention provides a tissue-like natural collagen composite absorbable suture line. The tissue-like natural collagen composite absorbable suture line comprises medical-grade tissue-like natural collagen, epoxidized modified chitosan, molybdenum dioxide nanoparticles and sodium alginate. The tissue-like natural collagen composite absorbable suture line provided by the invention fully combines the advantages and functions of the used components, retains the excellent mechanical properties and biodegradability of the natural collagen composite material, is low in antigenicity and excellent in antibacterial property, also combines the photo-thermal effect of molybdenum disulfide, and has an obvious scar elimination effect; meanwhile, corrosion of bile, urine and pancreatic juice can be resisted, and cell growth is promoted; the reutilization of natural biological tissues is realized, and excellent use strength, antibacterial property and scar-removing property are achieved; the raw materials are wide in source and low in cost, and have great advantages in the field of medical suture materials.

An inflatable hemostasis bandage used after a hip joint operation comprises a hip side face elastic attaching part, an inflatable air bag is embedded in the hip side face elastic attaching part, and an inflation device and an air release device are arranged on the inflatable air bag. The side face of the hip side face elastic attaching part is connected with a waist elastic fixing belt and a leg elastic fixing belt. The hip side face elastic attaching part and the inflatable air bag in the hip side face elastic attaching part are attached to the hip of the affected side, the waist elastic fixing band is bound to the waist of a patient, the leg elastic fixing band is bound to the legs of the patient, and the hip side face elastic attaching part is firmly fixed to the side face of the hip of the patient through the waist elastic fixing band and the leg elastic fixing band; the pressing type inflation valve is used for inflating the inflation type air bag, physical compression is generated on the hip joint of a patient, the effects of effectively stopping bleeding, reducing bleeding in a wound and closing a dead space are achieved, and the problems of postoperative bleeding and hematoma of the hip joint are solved.

The invention relates to the technical field of medical equipment, in particular to a portable hemostasis bandaging device to solve the problem that non-specialized personnel are not good at hemostasis and bandaging or have a poor bandaging effect. The device comprises an expansion gasket, an adjusting mechanism, a winding assembly and a guiding assembly. The expansion gasket can be expanded during inflation to extrude the limbs of the patient, so that wound bleeding is reduced; the adjusting mechanism can inflate the expansion gasket and monitor the air pressure in the expansion gasket, and after the air pressure reaches a set value, pressurization on the expansion gasket is stopped; the guide assembly is arranged on the outer wall of the expansion gasket and rotationally connected with the expansion gasket. Under the cooperation of the winding assembly and the guiding assembly, the gauze in the winding assembly can be wound around the wound of a patient. The expansion gasket can effectively stop bleeding after inflation, rapid and stable bleeding stopping of a wound is ensured by automatically and manually adjusting air pressure, and meanwhile discomfort of a patient is reduced. And the binding module realizes rapid and uniform wound binding through cooperative work of the guide assembly and the winding assembly.

The utility model belongs to the technical field of medical instruments, and relates to a tourniquet suitable for bleeding of different parts, which comprises a belt body, a fixing assembly and a hemostasis module, the belt body comprises two elastic belts with elasticity, namely a first elastic belt and a second elastic belt, the first elastic band and the second elastic band are detachably and fixedly connected through the fixing assembly, the first elastic band and the second elastic band are in an X shape when fixed, and the hemostasis module is fixedly arranged on the first elastic band and / or the second elastic band in a hook-and-loop fastener mode. The hemostat can be used for hemostasis of bleeding of different parts of the body.

The utility model provides a puncture point hemostasis device which comprises a base lining, a bonding layer arranged at the bottom end of the base lining, an opening formed in the middle of the bonding layer, hemostasis dressing arranged at the position, located in the middle of the opening, of the bottom end of the base lining, a fixing pipe installed at the top end of the base lining, a first annular limiting block arranged on the inner wall of the fixing pipe, and a pressing block arranged in the fixing pipe. The bottom end of the pressing block is fixedly connected with a hemostasis block, the hemostasis block is arranged in the middle of the first annular limiting block, the outer wall of the hemostasis block is fixedly connected with a second annular limiting block, and the hemostasis device is pasted to a puncture point through the pasting layer; the body surface of a patient cannot be dermatitis due to allergy when the hemostasis device is used through the bonding layer made of the hydrocolloid dressing layer, effective hemostasis can be carried out on a puncture point through the alginate medical dressing, the hemostasis block descends by pressing the pressing block downwards, compression hemostasis can be carried out on the puncture point through the hemostasis block, and the hemostasis effect is good. And the hemostasis efficiency of a puncture point is effectively improved.

The utility model discloses a support type medicine and instrument combined nanostructure nasal cavity hemostat which comprises an inflatable air bag and is characterized in that a support covers the outer side of the inflatable air bag, and hemostatic gauze is arranged on the outer side of the support; a hemostatic sponge is arranged between the hemostatic gauze and the support. The utility model relates to the technical field of medical instruments, in particular to a support type medical instrument combined nano-structure nasal cavity hemostat which is good in hemostasis effect, biocompatibility and degradability and capable of being used as a nasal cavity hemostat of a support type medical instrument combined nano-structure, and the support type medical instrument combined nano-structure nasal cavity hemostat can be used as a nasal cavity hemostat of the support type medical instrument combined nano-structure nasal cavity hemostat of the support type medical instrument combined nano-structure. Nasal cavity infection and scar formation can be effectively prevented, and meanwhile, the pressure and the position of the inflatable air bag can be conveniently adjusted to adapt to different nasal cavity forms and bleeding parts.

The invention discloses a postoperative compression hemostasis device in the technical field of medical instruments. The postoperative compression hemostasis device comprises a binding belt, two sets of connecting blocks, a fixing frame and a hemostasis assembly. The binding belt is used for binding and fixing a part needing hemostasis, the tightness is adjusted through the disc buckle in the connecting block, and it is guaranteed that the part cannot be loosened after binding. The fixing frame is connected to the upper end of the connecting block and supports the hemostasis assembly located at the upper end of the binding belt. The hemostasis assembly comprises an air bag cushion and a compression cushion, and compression hemostasis is achieved through downward movement of the air bag cushion. The device has height adjustability, adapts to arteries with different diameters, reduces damage to blood vessels, improves the comfort level of a patient, and achieves remote monitoring through the wireless communication technology. An intelligent monitoring module is further integrated and comprises a pressure sensor, a temperature sensor and a pulse sensor, physiological parameters of the artery compression position are monitored in real time, data are transmitted to a doctor through a wireless communication module, and therefore compression force can be adjusted in time. The device is provided.

The utility model relates to the technical field of medical care appliances, in particular to a pressurizing hemostasis device for an inflatable venous indwelling catheter puncture port, which comprises a wrapping cloth body, a binding belt arranged on one side of the wrapping cloth body, an air bag arranged on the inner side of the binding belt, two limiting belts fixedly arranged on the lower side of the air bag, and gauze arranged between the two limiting belts. An elastic liner layer is attached to the lower side of the gauze, and an antibacterial hemostatic layer is attached to the lower side of the elastic liner layer. The wrapping cloth body can be fixed to the hand of a patient through cooperation of the binding belt and the two first hook-and-loop fastener fixing belts, and then the gauze slides in the two limiting belts, so that the position of the bacteriostasis and hemostasis layer can be conveniently adjusted according to the position of a puncture opening, and the bacteriostasis and hemostasis layer corresponds to the puncture opening; finally, the pressurizing balloon is pressed to enable air to continuously enter the air bag through the air inlet pipe, the air bag expands to enable the antibacterial hemostatic layer to cover the puncture point, and effective compression hemostasis is conducted on the bleeding point.

The present disclosure provides a blood vessel bridging assembly, the blood vessel bridging assembly comprising a bridging body, a supporting element and a self-locking mechanism, wherein the bridging body is formed with a bridging portion with an enlarged diameter assembly along its axial direction and a first clamping groove arranged at intervals between the bridging portions, and the self-locking mechanism clamps and self-locks the blood vessel in the first clamping groove. According to the present disclosure, the blood vessel bridging assembly has a simple structure and is easy to operate, which can not only ensure hemostasis of blood vessels adapted to different diameters, but also achieve stable and reliable fixation of the blood vessels, reducing the risk of failure.