995 results about "Hemostasis" patented technology

A device may include a flexible tube comprising: a distal end, a proximal tip, the proximal tip comprising a suction line extension being configured for placement in a uterine cavity of a uterus after childbirth, a tube center of the flexible tube; and at least one lumen around the tube center, the at least one lumen comprising a suction line, the suction line being in communication with a source of negative pressure and the suction line extension, the suction line extension being configured for applying the negative pressure to the uterine cavity using the source of the negative pressure thereby causing mechanical hemostasis of bleeding blood vessels of a uterine wall of the uterine cavity. Embodiments include an anchoring mechanism being proximate to the suction line extension along the flexible tube, the anchoring mechanism being configured for maintaining the suction line extension in a desired position within the uterine cavity.

The invention discloses a whole-process vascular interventional operation training method and system based on a virtual reality technology, and the method comprises the steps: firstly, developing a vascular interventional mechanics and collision simulation module, and achieving the deformation simulation of a blood vessel and a guide wire through the combination of position dynamics, a region shape matching technology and a Cosseerat elastic rod model, the collision between the blood vessel and the guide wire is treated by adopting a wide-to-narrow three-layer progressive collision detection method; secondly, constructing an immersive virtual operation scene through model construction and rendering optimization; visual angle roaming, instrument operation and interface interaction are fused, and multi-mode interaction control driving intervention training is achieved; finally, based on a'module-event 'dual-drive framework, operation tasks such as anesthesia, puncture, radiography, intervention, stent release and hemostasis are sequentially connected in series through a unified state machine, and whole-process training is achieved. The accuracy and stability of blood vessel and guide wire simulation are improved, the training immersion sense is enhanced, interventional operation whole-process training is achieved, and high teaching and practical value is achieved.

The invention is directed to a hemostasis therapeutic compression system including an apparatus and system to stop bleeding and assist recovery at a wound location. The hemostasis therapeutic compression apparatus includes a bladder having a transparent portion to visualize the bleeding wound location as well as having one side with an interface pressure sufficient to stop bleeding at the wound site, and the wrap has as an elongated tab as part of a hook and loop portion for self-application by the user or patient. The hemostasis therapeutic compression apparatus includes compression not just on the bleeding wound site but alongside the site for increased and faster recovery and less complications. The transparent portion of the bladder may be in the shape of a circle, oval, kidney, elongated kidney, square, rectangle, "U", "C", and other known shapes depending on the size and location of the bleeding wound site on the limb.

The invention discloses an oral care composition containing ampelopsis japonica polysaccharide and application of the oral care composition in inhibiting gingival bleeding. The oral care composition comprises ampelopsis japonica polysaccharide and an orally acceptable carrier, wherein the pH (Potential of Hydrogen) range of the oral care composition is 5.9 to 7.7. The invention also discloses an application of the ampelopsis japonica polysaccharide in the oral care composition for inhibiting gingival bleeding. The invention discloses application of silicon dioxide with a high oil absorption value in an oral care composition for improving the gingival bleeding inhibiting effect of ampelopsis japonica polysaccharide. The combination of the high-oil-absorption-value silicon dioxide and the low-oil-absorption-value silicon dioxide is applied to the oral care composition for improving the gingival bleeding inhibiting effect of the ampelopsis japonica polysaccharide; the invention further discloses application of sorbitol in the oral care composition for improving the effect of inhibiting gingival bleeding by the ampelopsis japonica polysaccharide. The oral care composition has a hemostatic effect and can effectively solve the problem of gingival bleeding.

The invention relates to the technical field of data processing, in particular to an intelligent wrist type hemostasis device and a control method thereof. The method comprises the following steps: controlling the intelligent wrist hemostasis device to start pressurizing, and collecting a PPG signal of a user; recording a pressure value when the PPG signal disappears or the waveform amplitude of the PPG signal is reduced to a target threshold value; determining initial target pressure according to the pressure value; controlling the intelligent wrist hemostasis device to reach target pressure, and collecting physiological data of the user under the target pressure; inputting the physiological data into a trained risk early warning model to obtain a risk coefficient and a risk type; if the physiological data meet the preset pressure reduction condition, step-type pressure reduction is carried out; in the maintaining stage of the stepped pressure reduction, if the risk coefficient is larger than or equal to a second threshold value, the intelligent wrist type hemostasis device is controlled to return to the target pressure before pressure reduction, early warning is triggered, and the compression time is prolonged. According to the method, the hemostatic effect and safety can be improved.

The utility model discloses a closing clip capable of preventing tissue from being torn, and belongs to the field of medical hemostatic clips. The closing clamp capable of preventing the tissue from being torn comprises a first clamping arm and a second clamping arm, the near ends of the first clamping arm and the second clamping arm are connected through a connecting part, and the far end of the first clamping arm and the far end of the second clamping arm are respectively provided with a locking structure which can be buckled and locked together. The clamping faces of the first clamping arm and the second clamping arm are each divided into an anti-skid tooth face and a clamping smooth face in the width direction, and the anti-skid tooth face and the clamping smooth face of the first clamping arm and the anti-skid tooth face and the clamping smooth face of the second clamping arm are arranged in a one-to-one correspondence mode or in a crossed correspondence mode. According to the utility model, the clamping surfaces of the two clamping arms of the closing clamp are divided into the anti-slip tooth surfaces and the clamping smooth surfaces, so that the clamping pressure of the closing clamp on vascular tissues during closing is reduced, unnecessary damage to the tissues in the process of closing the tissues is effectively avoided, and hemostasis failure caused by tearing of the vascular tissues is prevented.

The invention belongs to the technical field of medical robots and minimally invasive surgery, and provides a robot control system and method for blue laser vaporization surgery of prostatic hyperplasia. Mapping the nuclear magnetic image volume data to a deformation field under an ultrasonic acquisition coordinate system, and deforming the preoperative nuclear magnetic image to an intra-operative ultrasonic space by using the deformation field to complete image registration; fusing the registered image with a stereoscopic vision system; the spatial depth of the surface of the target tissue is obtained from the endoscopic image so as to supplement navigation information; according to the utility model, the prostate deformation and probe posture change adaptive capacity in an operation is improved, the real-time visual closed-loop regulation and control capacity is improved, and the characteristics of small light spots, shallow heat diffusion, excellent hemostasis and the like of blue laser are combined, so that the vaporization and hemostasis precision in a tiny blood vessel dense area is ensured, and the problems of large tissue trauma and the like are avoided.

The invention relates to the technical field of medical instruments, in particular to a femoral artery hemostasis device and a hemostasis method. Comprising a compression plate and a compression ball installed on the upper side of the compression plate, a first compression point is arranged in the center area of the top of the outer surface of the compression ball, an annular center mark is arranged on the top of the inner surface of the compression ball, and a plurality of second compression points are arranged on the outer surface of the compression ball and located below the first compression point at equal intervals in the circumferential direction. The inner surface of the compression ball is provided with an annular guide line used for marking second compression points, and the inner surface of the compression ball is further provided with a radial guide line with one end connected with the corresponding positions of the second compression points on the annular guide line and the other end pointing to the center mark. The privacy protection device further comprises a fixing adhesive tape, and a privacy curtain used for shielding privacy is arranged on the fixing adhesive tape. The hemostasis device is simple in structure and convenient to use, operation procedures are reduced, the adaptability of the ellipsoidal curved surface structure is good, the hemostasis efficiency is greatly improved, and the hemostasis effect is more remarkable.

A method of uterine hemostasis involves inserting a suction line of a postpartum hemorrhage mitigation device through a cesarian incision into the uterine cavity, guiding the suction line through the cervix and into the vagina, positioning an anchoring mechanism of the device adjacent the internal cervical OS of the uterine cavity, closing the cesarian incision to enclose the suction line within the uterine cavity, and connecting the suction line to a negative pressure source that introduces negative pressure to the uterine cavity via the suction line, thereby causing contraction of the uterus and evacuation of fluid from the uterus via the suction line extension. Upon completion of a treatment period, the negative pressure source is disconnected, and the suction line and anchoring mechanism are extracted from the uterus through the cervical canal and the vagina.

The application discloses a plugging and hemostasis device, which comprises a shell, a pull tube, one end of the pull tube being movably connected with the shell, the other end of the pull tube extending to the distal end of the shell, a catheter, the catheter penetrating through the pull tube and being capable of moving relative to the axial direction of the pull tube, and a sealant, the sealant being located between the pull tube and the catheter and being arranged close to the distal end of the pull tube. After the first locking mechanism is unlocked, the pushing mechanism pushes the push tube to move to the distal end, pushes the sealant exposed to the tissue to be tight, is attached to the tissue wall of the blood vessel puncture hole, extrudes the sealant to make the sealant fully attach to the outer wall of the blood vessel and is compacted, and the blood vessel is effectively plugged and hemostasis.

The invention provides a multi-stage synergistic wound repair nanofiber membrane and a preparation method thereof. The composite fiber membrane sequentially comprises an electrostatic spinning pullulan / tannic acid / tranexamic acid nanofiber membrane for promoting the formation of blood clots, a polydopamine / calcium chloride modified electrostatic spinning cellulose acetate membrane with coagulating, antibacterial and repairing effects, and a chitosan composite cellulose non-woven fabric, and the electrostatic spinning pullulan / tannic acid / tranexamic acid nanofiber membrane is a wound surface contact layer. The nanofiber membrane has the functions of a physical hemostasis barrier and continuously releasing regeneration promoting biological signals, and a dynamic hemostasis healing process is formed.

The invention relates to an absorbable bone hemostasis and repair stent. The absorbable bone hemostasis and repair stent comprises the following raw materials in parts by weight: 15-60 parts of an excipient, 15-60 parts of a softening agent and 5-70 parts of a bone repair promoting component, the excipient is prepared from a polyoxyethylene-polyoxypropylene copolymer; the softening agent comprises a semi-solid mobile phase polymer; the bone repair promoting component comprises a coating and a core, the coating comprises a polylactic acid-glycolic acid copolymer, zinc stearate and potassium bromide, the core comprises calcium phosphate particles, and the coating wraps the surface of the core. The preparation method comprises the following steps: preparing the bone repair promoting component; and preparing the absorbable bone hemostasis repair stent. The absorbable bone hemostasis and repair stent is high in hemostasis and collapse resistance and has good inflammation regulation and bone repair promoting effects. The absorbable bone hemostasis and repair stent can be used for bone hemostasis and bone repair promotion of any bone injury wound.

The invention discloses an active composite gel sealing material as well as a preparation method and application thereof, and belongs to the technical field of medical materials. The active composite gel sealing material based on multiple crosslinking provided by the invention has excellent tissue adhesion and sealing performance; good in-vivo compatibility, biodegradability, low immunogenicity and high safety are achieved; the mechanical strength is high, the self-repairing capability is good, and the anti-hydrolysis stability is high; the adhesive property and the state of the material can be adjusted by adjusting the proportion of the components and adjusting the adhesive property and the state of the material, so that the requirements on different adhesive properties in practical application are met, irregular wounds are filled, and rapid gelation is performed at the body temperature so as to adapt to the form of a surgical site; the effects of stopping bleeding, resisting inflammation, promoting revascularization and repairing nerves are also achieved.

The invention provides a cardiovascular postoperative gradient pressure reduction type hemostasis device, and relates to the technical field of medical instruments, the cardiovascular postoperative gradient pressure reduction type hemostasis device comprises a controller, a pressing assembly and fixing assemblies, the pressing assembly and the fixing assemblies are electrically connected with the controller, and the two fixing assemblies are symmetrically connected to the two sides of the pressing assembly; an initial pressure setting module and a gradient decompression curve generation module are configured in the controller; the pressing assembly comprises a positioning ring and a pressing column penetrating through the center of the positioning ring; the fixing assembly comprises a deformation claw and a flexible adsorption block connected to the deformation claw. By monitoring the biological impedance and the skin temperature in real time and combining the self-adaptive gradient decompression algorithm to dynamically adjust the pressure, personalized hemostasis is achieved, limitation of a traditional constant pressure mode is avoided, the risk of postoperative complications is reduced, and the comfort and safety of a patient are improved; the problem that in the prior art, the treatment effect is poor due to the fact that pressing hemostasis is conducted through experience or a device with fixed strength is used is solved.

A clipping device includes a clip including a capsule and a pair of clip arms movable between an open configuration and a closed configuration. A tension member includes a distal portion and a proximal portion, a pair of protrusions extending from opposing surfaces of the proximal portion to be received within openings extending through proximal ends of the clip arms, the proximal portion including a relief to define a pair of fingers separated from one another at proximal ends thereof. A yoke including a central portion including a recess formed at a distal end thereof, the recess sized and shaped to releasably receive the pair of fingers of the tension member, the pair of fingers configured to flex toward one another when a predetermined force is exerted thereon to release the pair of fingers from the recess and disengage the tension member from the yoke during deployment of the clip.

The invention relates to the technical field of medical auxiliary instruments, in particular to a self-adaptive compression hemostasis device used after coronary angiography and a hemostasis method.The self-adaptive compression hemostasis device comprises an annular belt used for being worn, a pressure sensor, a humidity sensor, an air pump and a control panel, the pressure sensor and the humidity sensor are arranged on a detection part, and the inner side of the annular belt is provided with a pressure area used for covering a puncture position; an air bag is arranged in the pressure area, a detection part used for making contact with the puncture position is arranged on the inner side of the air bag, a catheter used for conveying air is arranged on the air bag, and the pressure area is constructed to apply compression force to the puncture position through air inflation of the air bag; the air pump is configured to achieve inflation pressurization and exhaust pressure reduction of the air bag by switching the current direction. The control panel is configured to use the control module to drive the air pump to adjust the state of the air bag by taking a preset hemostasis and safety threshold value as a reference so as to form continuous and dynamic self-adaptive adjustment on the compression force of the puncture part, and form negative feedback control on the self-adaptive adjustment by receiving the first electric signal and the second electric signal.

The present application relates to the field of medical tissue adhesive, in particular to a medical tissue adhesive, a medical tissue dry adhesive patch and a preparation method and application thereof. The present application provides a medical tissue adhesive, a medical tissue dry adhesive patch and a preparation method and application thereof. The medical tissue adhesive provided by the present application comprises: 1wt%-30wt% of acidic polyglutamic acid; 1wt%-30wt% of spherical protein; and the balance of water. The medical tissue adhesive provided by the present application has high tissue adhesion strength and fast hemostatic sealing speed in a wet physiological environment, meets the requirements of rapid and efficient tissue hemostatic sealing, and can be applied to rapid hemostasis of tissue wounds in a wet physiological environment, sealing of wound liquid leakage, healing and repair of wound tissue, and antibacterial of wounds. Experiments show that the dry adhesive patch made of the adhesive provided by the present application has high tissue adhesion strength in a wet physiological environment, and the adhesion strength to a wet pigskin tissue can reach more than 60kPa.

The invention discloses a preparation method of silk fibroin-based hemostatic gel. The preparation method comprises the following steps: (1) hydrolyzing regenerated silk fibroin, and dialyzing to obtain micromolecular silk fibroin; (2) modifying the micromolecular silk fibroin by using a modifier to obtain micromolecular modified silk fibroin; and (3) mixing the small-molecule modified silk fibroin with an auxiliary agent, a photoinitiator, modified gelatin and raspberry ketone glucoside in proportion, and stirring and reacting in a dark place to obtain the silk fibroin-based hemostatic gel. The silk fibroin-based hemostatic gel prepared by the invention has the advantages of rapid hemostasis, good application property and the like, and can be widely applied to the fields of trauma hemostasis and the like.

The utility model relates to the technical field of medical instruments, in particular to a simple and convenient brachial artery hemostat which comprises a supporting pressing plate, open grooves are formed in the two side ends of the supporting pressing plate, a threaded sleeve is fixedly installed at the upper end of the supporting pressing plate, a threaded block is in threaded connection with the interior of the threaded sleeve and located on a screw rod, and the screw rod is fixedly connected with the threaded sleeve. A cushion block is installed at the bottom end of the screw rod, and the cushion block is rotationally connected with the screw rod through a bearing. According to the hemostat, the screw rod is manually rotated, the height of the cushion block at the bottom end of the screw rod is adjusted, the cushion block presses the hemostasis position, when the bottom end of the cushion block is squeezed, medicine in the hemostasis medicine area can be squeezed out, the medicine enters the hemostasis cushion and makes contact with the hemostasis position of a patient, and the hemostasis effect is better in cooperation with the medicine; and the upper end shell and the lower end shell are directly and quickly disassembled and assembled through the disassembling and assembling assembly, so that after the upper end shell and the lower end shell are disassembled, the internal sleeve gaskets can be conveniently replaced, and a next patient can use the shell conveniently.

This utility model discloses a pressure hemostasis device for interventional nursing, relating to the technical field of pressure hemostasis devices. It includes a base plate, a fixing component at the bottom of the base plate, a base support above the base plate, and a top cover above the base support. An observation window is embedded in one side of the top of the top cover. A splicing component is provided on the outer sides of the top cover and base support, and a pressing component is provided above and inside the top cover. Two slots are formed at the top of the base plate. This utility model allows two threaded blocks to be moved to a suitable position by rotating two lead screws, thereby adjusting the distance between the base support and the end of the base plate. Furthermore, by changing the longitudinal distance between the two threaded blocks, the orientation of the top cover can be adjusted. After the patient lies down, the injured limb can be placed in a comfortable position, and the base support can provide good support and lift for the injured limb, improving the comfort of the patient's compressed limb.

The utility model discloses a pair of double-chuck vascular tissue closing forceps, which comprises a first handheld part, a second handheld part, a traction rod, a hinge connecting piece, a long catheter, a short bent pipe, a U-shaped block, forceps chucks, a steel wire and V-shaped spring-back pieces, and two connecting parts at the other end of the steel wire are fixedly connected with the middle parts of the two V-shaped spring-back pieces respectively; each V-shaped rebounding piece is installed between the two forceps chucks in the same group, one ends of the two forceps chucks are rotationally connected with the interior of the groove in the same end through a rotating shaft, a vascular clamp is placed between the two forceps chucks in the same group, the short grooves are formed in the end faces of the two ends of the U-shaped block respectively, and a short bent pipe is fixedly installed in the middle of the U-shaped block. The blood vessel fixing device has the advantages that based on a traditional blood vessel fixing device, a double-clamping-head structure mode is adopted, two blood vessel clamps can be clamped and fixed to the same blood vessel at the same time, the hemostasis flowing strength is enhanced, operation is convenient and fast, and the problem that the operation efficiency of clamping a single blood vessel clamp is low is solved.

The invention relates to a medical first-aid instrument. The efficient bleeding stopping suite for the broken limb comprises an anastomosis cylinder and connecting assemblies arranged at the two ends of the anastomosis cylinder and used for being combined with the broken end. The center of the anastomosis cylinder is provided with a funnel-shaped center cone which is gradually shrunk towards the telecentric end, and the telecentric end of the center cone and the anastomosis cylinder are coaxially provided with a center cylinder; the central cylinder is communicated with the central cone, and a control valve is arranged on the central cylinder; an anastomosis needle used for being inserted into a broken limb artery is further arranged at the distal end of the center cylinder. Targeted rapid hemostasis can be effectively achieved on the whole, stable temporary blood supply is efficiently constructed, and the replanting survival rate of the fractured limbs is remarkably improved.

In one aspect, the invention provides compositions and methods for preventing, reducing, and / or treating a disease, disorder or condition associated with fibrin-induced activation of the complement system and the associated activation of the coagulation and / or contact systems comprising administering a therapeutic amount of a MASP-2 inhibitory antibody to a subject in need thereof. In some embodiments, the methods of the invention provide anticoagulation and / or antithrombosis and / or antithrombogenesis without affecting hemostasis. In one embodiment of this aspect of the invention, the compositions and methods are useful for treating a subject is suffering from, or at risk of developing, a disease, disorder or condition associated with complement-related inflammation, excessive coagulation or contact system activation initiated by fibrin or activated platelets.

The utility model relates to medical instrument technical field discloses a neurosurgery aspirator with electrocoagulation function, including the casing, the one side threaded connection of casing has the catheter, the surface sliding connection of catheter has the sleeve, one end of sleeve is equipped with the limiting component that limits it, the other end fixed of sleeve is equipped with the electrocoagulation electrode, one side fixed of casing is equipped with the suction tube, the top fixed of suction tube is equipped with the negative pressure pipe, one end of suction tube is equipped with the closure component that closes the negative pressure pipe, through the sleeve can attract secretion and tissue, can play the role of cleaning, and the electrocoagulation electrode can carry out electrocoagulation hemostasis to neurosurgery operation, because the surface sliding connection of sleeve and catheter, through the sliding of sleeve, can adjust the telescopic length, good flexibility, through the limiting component can limit after adjusting sleeve, can prevent its loose and fall off.

The invention discloses a post-operation dynamic pressure hemostasis device for a cardiac pacemaker, and belongs to the technical field of cardiac department surgical instruments, the post-operation dynamic pressure hemostasis device comprises a frame, a first sliding groove, a small air pump, a plurality of exhaust pipes and a control panel, the first sliding groove is formed in the frame and communicated with the outside, and a sliding plate is slidably connected in the first sliding groove; a plurality of air bags are fixedly connected to one side of the sliding plate, a connecting pipe is fixedly connected between the air bags, and an inner cavity of the connecting pipe is communicated with inner cavities of the air bags; the small air pump is fixedly connected to the other side of the sliding plate, and an output shaft of the small air pump is fixedly connected with the connecting pipe; the exhaust pipes are fixedly connected to the air bags respectively. According to the position of the wound of the patient, the position of the dynamic pressure hemostasis device is adjusted, so that the dynamic pressure hemostasis device can quickly adapt to the wound requirements of different patients and different operations, the clinical universality of the dynamic pressure hemostasis device is improved, and diversified cardiac pacemaker postoperative hemostasis scenes are met.

The present application provides a kind of arterial compression hemostat, including shell, shell is provided with multiple groups rotatable winding frame, winding frame is provided with fixed band, the end of multiple groups fixed band is connected by buckle, rotatable drive cylinder is arranged in shell, drive cylinder end is provided with adjusting wheel, the end of drive cylinder is provided with compression pad, drive cylinder is provided with the same group number of drive unit as fixed band, each group drive unit is connected with one group fixed band, to convert the rotation of drive cylinder into the rotation of drive winding frame, and remove the drive of winding frame when fixed band is tensioned.The hemostat can be used to tighten multiple groups of fixed band in different ranges to perform arterial compression hemostasis, making it convenient for patients of different sizes to use and move, and the group of fixed band can be controlled to tighten without further tightening the fixed band that has been tightened during the movement process, effectively solving the many inconveniences of existing hemostatic devices when in use.

The invention discloses an artery compression hemostasis device capable of monitoring pressure. The artery compression hemostasis device comprises a compression hemostat, a pressure sensing chip, a pressure display dial plate, a pressurization mechanism and a database. Compression pressure is converted into a visual numerical value through the pressure sensing chip and the display dial plate, medical staff can adjust according to the standard, hemostasis operation is standardized, and the hemostasis failure rate is remarkably reduced; a patient individual feature-pressure range corresponding system is established according to pressure values, medical staff adjust pressure in combination with a blood coagulation report, one person can press one pressure, and the occurrence rate of complications caused by pressure mismatching is reduced; pressure abnormity is reminded in real time through dial plate color early warning, medical staff can adjust the pressure in time conveniently, the pressure is controlled dynamically, and the comfort and safety of a patient are improved; by means of clear numerical values and early warning identifiers, the operation process is standardized, and the training period of green nurses is shortened; pressure dynamic change data can be recorded in real time, and support is provided for related clinical research.

The utility model discloses a blood drawing tourniquet automatic tightening device which comprises a base, an inflation structure is installed on one side surface of the base in an embedded mode, a protection structure is installed on one side of the interior of the base in an embedded mode, and a hemostasis structure is fixedly installed in the middle of the upper surface of the base. The hemostasis structure comprises a mounting ring, an annular air bag, a valve and an exhaust pipe, the annular air bag is embedded in the mounting ring, the exhaust pipe is embedded in the surface of one side of the annular air bag, and the valve is embedded in one side of the surface of the exhaust pipe. The base comprises a protective cover, a pull groove, a door plate, a storage box, a partition plate, a sliding groove and a limiting groove, and the pull groove is formed in one side of the upper surface of the storage box. According to the automatic tourniquet tightening device for blood drawing, the air bag can be quickly tightened to stop bleeding in an inflation mode, the arm of a patient can be protected, and cross infection is prevented.

The utility model relates to medical instrument technical field especially is a kind of wearable femoral vein compression hemostasis device, including disposable underpants body, the upper surface of one side of trouser leg is located at femoral vein and is fixedly installed with the compression assembly for fixing wound, and the compression assembly includes clamping ring plate, the middle part of clamping ring plate is equipped with four groups of insertion slot, the surface both sides of waistband are fixedly installed with trouser loop, and the periphery of waistband is provided with the bandage assembly for exerting pressure and is set, and the bandage assembly includes waist bandage and leg bandage, the both ends of waist bandage are insertedly installed in the inside of insertion slot, the both ends of leg bandage are also insertedly installed in the inside of insertion slot, the both ends of waist bandage can be folded and detachably connected, and the both ends of leg bandage can be folded and detachably connected.The utility model is folded and detachably connected by underpants design, bandage, clamping ring plate disperses pressure, reduces the risk of local ischemia, and waist bandage and leg bandage synergistic effect, form three-dimensional compression.

The application relates to the technical field of medical dressing preparation, and discloses a hemostatic, healing-promoting and antibacterial foam dressing and a preparation method thereof. The method uses sodium alginate and carboxymethyl chitosan as a composite polysaccharide matrix, mixes the two, adds a calcium chloride solution to crosslink a porous gel support, and then carries out freeze-drying to obtain a porous framework; gelatin and polyvinyl alcohol can be further added to enhance the mechanical strength, zeolite particles loaded with silver ions are added to achieve antibacterial performance, epidermal growth factor release microspheres are added to promote healing, and the dressing can be further subjected to heparinization, plasma surface modification, thrombin addition, salt precipitation pore formation and sterilization treatment. The dressing prepared by the method has the functions of synergistic hemostasis, antibiosis and healing promotion, has good biocompatibility and suitable mechanical strength, and has a simple preparation process, and can be used for various wound care.