26 results about "TRANSPARENT DRESSING" patented technology

The invention belongs to the technical field of medical sensing, and relates to a wound monitoring bandage and method based on flexible passive inductance-capacitance resonance sensing. Comprising a contact wound dressing; the sensor assembly comprises a first transparent dressing packaging layer, a second transparent dressing packaging layer and an LC resonance sensor, the first transparent dressing packaging layer and the second transparent dressing packaging layer are arranged in a stacked mode, the LC resonance sensor is packaged between the first transparent dressing packaging layer and the second transparent dressing packaging layer, and the LC resonance sensor is of a planar spiral structure; the second transparent dressing packaging layer is arranged at the top of the contact wound dressing; and the transparent dressing fixing layer covers and fixes the sensor assembly and the contact wound dressing. The problems that in the prior art, wound healing state evaluation depends on subjective experience, continuous real-time monitoring cannot be achieved, the healing environment is prone to being damaged and infection is caused by frequent dressing replacement are solved, and the dual functions of objective, continuous and non-invasive monitoring on the wound healing process and active healing promotion are achieved.

The utility model relates to a fixing patch for preventing a remaining needle from being bruised, which comprises a transparent dressing, a fixing mechanism and a remaining needle, the transparent dressing covers the upper surfaces of the fixing mechanism and the remaining needle and is adhered to the skin, and the remaining needle fixing patch is formed by placing the remaining needle between a first non-woven fabric adhesive tape and a second non-woven fabric adhesive tape in the fixing mechanism. The first non-woven fabric adhesive tape is located below the protective cap, the end, away from the end fixed to the second non-woven fabric adhesive tape 22, of the first non-woven fabric adhesive tape covers the infusion tee joint and the PVC infusion tube, the first non-woven fabric adhesive tape adheres to the skin, the infusion tee joint and the PVC infusion tube, the protective cap does not rotate, and at the moment, the protective cap of the remaining needle is located over the sponge block. The sponge block plays a role in pressure buffering, skin pressure injury is avoided, the skin is protected, then the second non-woven fabric adhesive tape covers the protective cap and the upper surface of the first non-woven fabric adhesive tape, the remaining needle is fixed and does not swing left and right, and the whole structure is simple and convenient to operate.

The application relates to the field of patient information labels, and provides a dressing kit with patient information, which comprises a transparent dressing layer, a printing layer and a release layer, the dressing layer has a sticking surface and is used for sticking to the skin of a patient, the sticking surface comprises an identification area and a sticking area, and the sticking area is arranged around the identification area; the printing layer is attached in the identification area, and the surface of the printing layer facing the sticking surface forms an identification surface, the identification surface is used for displaying patient information; and the release layer is annular in shape and covers the sticking area. According to the utility model, the printing layer is covered by the dressing layer and is attached to the skin of a patient, the problem that the printing layer can only be fixed to a limb is solved, the situation that a critical patient is easily pressed to cause skin damage or poor blood supply is avoided, and the printing layer is not exposed to the outside and is not easily affected by friction and stains.

The utility model provides a transparent dressing, which relates to the technical field of medical dressings, and comprises a release layer, a dressing core layer, a film, an adhesive layer and a backing layer, a stripping opening is arranged on the backing layer, the stripping opening is formed by a notch arranged on the backing layer in a penetrating manner, and the backing layer is divided into two parts on two sides of the notch through the notch. The problem that the use of a product fails due to the fact that a traditional linear half-cutting or S-line half-cutting backing layer is not cut open is solved, and the notch-shaped stripping opening enables the backing layer to be stripped more conveniently when the backing layer is applied and used in the later period; due to the design of the notch-shaped stripping opening, the backing layer does not need to have high stiffness, so that the backing film material can be changed into a PE (polyethylene) soft film, and the product can be pasted more smoothly and comfortably.

The utility model relates to the related technical field of pediatric venous indwelling needle fixing, in particular to a pediatric venous indwelling needle fixing device which comprises elastic soft cotton wide rubber and an artificially-cut stoma formed in the elastic soft cotton wide rubber, a low-sensitivity medical pressure-sensitive adhesive film and an anti-sensitivity assembly are fixedly adhered to the lower portion of the elastic soft cotton wide rubber, and the anti-sensitivity assembly is fixedly adhered to the lower portion of the elastic soft cotton wide rubber. The elastic soft cotton is arranged on the elastic soft cotton wide rubber; the puncture point exposure opening cutting assembly is arranged on the artificially cut stoma, is adhered to the sensitivity prevention assembly, and is used for fixing a venous indwelling needle on the puncture point exposure opening cutting assembly to keep the puncture point exposure opening cutting assembly in a transparent state; according to the medical bandage, the elastic soft cotton wide adhesive and the low-sensitivity medical pressure-sensitive adhesive film are combined, the medical bandage is comfortable, breathable, good in elasticity and low in sensitivity, and the elastic soft cotton wide adhesive and the low-sensitivity medical pressure-sensitive adhesive film are subjected to bandage edge curling or loosening, so that the removal rate of an indwelling needle is low.

The present invention discloses a special fixing dressing for an infusion port butterfly wing needle, which relates to the technical field of port butterfly wing needle fixing dressings, including a fixing mechanism, wherein the side of the fixing mechanism is fixedly connected to an auxiliary mechanism, and the fixing mechanism includes a No. 1 transparent dressing, and the bottom of the No. 1 transparent dressing is fixedly connected to a No. 1 adhesive strip, and one end of the connecting dressing is fixedly connected to the No. 1 transparent dressing. The present invention reduces the contact area between the No. 1 adhesive strip and the skin by designing the No. 1 transparent dressing to be hollowed out in the middle, thereby reducing the area of the patient's skin being bonded. By designing that one end of the connecting dressing is bonded to the fixed dressing body, when it is necessary to check the patient's needle insertion position, it is only necessary to peel off a connecting dressing from the upper part of the fixed dressing body, and then lift up the fixed dressing body to check the patient's needle insertion position.

The utility model belongs to the fixed paste technical field, specifically is a catheter secondary fixed paste, including fixed paste main part, the middle part of fixed paste main part is provided with transparent dressing, both sides of transparent dressing are provided with adhesive plaster, the middle part of transparent dressing front is provided with fixed pad, both sides of fixed pad are provided with bandage. The utility model, through transparent dressing and adhesive plaster paste on the patient's skin, place the catheter on the fixed pad, use the bandage to bundle and fix, place the catheter in the catheter groove, pass through the right side fixed hole through the left side anti -disengagement zone, use magic paste stick part and magic paste stick part to stick, the secondary fixed of catheter, cooperate through adhesive tape, bandage and anti -disengagement zone, can more firmly fixed catheter, prevent its displacement or fall off, and long -term use fixed paste, also can not cause the damage of patient.

The utility model discloses an improved urine collecting device for female urinary incontinence patients. A sanitary napkin is arranged on the inner side of the paper diaper, hot melting type urine display glue is arranged on the inner side of the sanitary napkin, the bottom of the paper diaper is connected with a funnel, the top of the funnel is coated with transparent dressing matched with the bottom of the paper diaper, and a second internal thread through block is arranged in the middle of the bottom of the funnel. By means of sanitary napkins designed in the paper diaper, the softness and air permeability of the interior of the urine collecting device can be improved, the water absorption performance is good, the phenomenon of stimulation to the skin in the later period is reduced, the use comfort is improved, and the burden of a patient is reduced; through the transparent dressing coated on the bottom of the paper diaper and the funnel, an operator can conveniently disassemble and replace the paper diaper in the later period, and through the design of different models of the paper diaper in the later period, the paper diaper can be conveniently worn and used by patients with different body types.

The invention belongs to the technical field of medical auxiliary appliances, and discloses a disposable infusion port nursing bag which comprises a nursing bag body provided with a containing cavity, a sterile towel is placed on the inner side of the nursing bag body and wrapped with a plastic square plate, and a transparent application, a fixator base, a base, gauze, adhesive tape and cotton swabs are sequentially placed on the plastic square plate from bottom to top. Sterile gloves, a sterile pad and a measuring scale are sequentially placed on the upper side of the sterile towel, through holes are formed in the base and the fixator seat, release paper is pasted on the lower side of the base, a groove is formed in the upper side of the fixator seat, the fixator seat is detachably connected with an easy-to-shear plate, and a square hole is formed in the sterile pad. The transparent application, the fixator seat, the base, the gauze, the adhesive tape, the cotton swab, the sterile gloves, the sterile pad and the measuring scale are placed in the nursing bag body, so that a nurse can conveniently carry out puncture infusion or maintenance operation on an infusion port, the workload of the nurse is reduced, the nursing efficiency is improved, and the nursing quality is ensured.

The invention belongs to the technical field of medical tools, and particularly relates to an anti-pollution infusion port maintenance and disinfection positioner. Comprising a maintenance tool box, a box cover is hinged to the maintenance tool box, UVC patch lamp beads are installed on the inner face of the box cover, an electric appliance bin is arranged in the maintenance tool box, a dry battery and a control circuit board are installed in the electric appliance bin, the dry battery is electrically connected with the control circuit board, and the control circuit board is electrically connected with the UVC patch lamp beads. The infusion port marking opening is formed in the transparent dressing, the positioning ring is fixed to the transparent dressing, the injection base is installed on the positioning ring in a threaded mode, the guide hole is formed in the middle of the transparent dressing, the needle head of the butterfly wing needle penetrates into the guide hole, the positioning notch formed in the head end of the butterfly wing needle is in sliding connection with the positioning wall on the injection base, and through cooperation, the puncture center point can be accurately positioned; the vertical insertion of the butterfly wing needle is ensured, the accuracy and stability of puncture are improved, the probability of puncture failure is reduced, and the pain and psychological burden of a patient are reduced.

The utility model discloses a transparent decompression patch capable of being directly examined, which comprises a decompression patch main body, a first connecting part, a second connecting part and a hydrocolloid transparent dressing layer, the first connecting part is arranged on one side of the decompression patch main body, the second connecting part is arranged on the other side of the decompression patch main body, and the hydrocolloid transparent dressing layer is arranged on the first connecting part. A hydrocolloid transparent dressing layer is arranged on the inner side of the pressure reduction patch body, hydrophilic particles are evenly filled in the hydrocolloid transparent dressing layer, release paper is arranged on the hydrocolloid transparent dressing layer, and an antibacterial layer is arranged on the side, away from the release paper, of the hydrocolloid transparent dressing layer. According to the pressure reduction patch, the pressure reduction patch body, the hydrocolloid transparent dressing layer, the release paper and the antibacterial layer are installed, hydrophilic particles in the hydrocolloid transparent dressing layer can form semi-solid matter similar to gel, the semi-solid matter is attached to the base of a wound, the effect of preventing pressure sores is achieved, meanwhile, medical staff can directly observe the affected part conveniently during shift change, and the medical staff can conveniently and rapidly observe the affected part. The decompression paste main body does not need to be uncovered.

The utility model provides a trocar transparent dressing accessory fixing device, belongs to the technical field of medical supplies, and aims to solve the problems that medical staff need to cut medical adhesive tape into a plurality of adhesive tape sections with specific lengths, and then the adhesive tape sections are respectively adhered to an extension tube and the skin of a patient, so that the workload of the medical staff is increased, and the workload of the medical staff is reduced. The trocar extension tube positioning device comprises a transparent pasting part, and non-woven fabric is fixedly connected to the periphery of the transparent pasting part. The extension needle fixing auxiliary structure is arranged on the outer side of the front part of the non-woven fabric; the positioning auxiliary part is fixedly connected to the outer side of the front end of the connecting part; the dustproof paster is pasted on the outer sides of the bottom end faces of the transparent pasting part, the non-woven fabric, the extension needle fixing auxiliary structure and the positioning auxiliary part; according to the trocar extension tube positioning device, the trocar extension tube on the outer side of a trocar can be quickly positioned on the skin surface layer of a patient, the operation steps of positioning the extension tube are simplified, the workload of medical staff is reduced, and the positioning efficiency of the trocar extension tube is improved.

The utility model discloses an antibacterial indwelling needle application, which belongs to the technical field of medical supplies and comprises a first antibacterial layer, a second antibacterial layer, a first adhesive layer, a second adhesive layer and a third adhesive layer. The second antibacterial layer covers the upper side of the first antibacterial layer; the upper side of the second antibacterial layer is covered with a film layer which is at least used for enhancing the tensile property of the application; the adhesion layer is arranged on the lower side of the first antibacterial layer, is configured to be in contact with the skin and is used for adhering the patch to the skin; the adhesion layer is partially arranged on the lower side of the first antibacterial layer and annularly arranged on the edge of the first antibacterial layer; the problems that in the prior art, a transparent film for fixing the remaining needle only plays roles in fixing the remaining needle and isolating external pathogenic bacteria, the antibacterial function is difficult to achieve, and even if the antibacterial function exists, the performance is poor are solved.

The invention belongs to the technical field of biological materials, and particularly relates to a polyphenol-active protein coating for chronic wound treatment and a preparation method of the polyphenol-active protein coating. The preparation method comprises the following steps: firstly, forming carboxylated negative charge surfaces on different dressing surfaces by utilizing non-material dependence of a polydopamine coating; and then fixing polyphenol-protein composite nanoparticles which are rich in multiple active sites and carry positive charges on the surface of the dressing by utilizing electrostatic interaction. According to the preparation method, coatings can be directly constructed on the surfaces of different substrate dressing materials such as gauze, cotton pads, transparent dressings, electrostatic spinning membranes, chitosan dressings and polyurethane foam, and different polyphenols and proteins are selectively adsorbed on the surfaces of the dressings according to different stages of wound healing; the surface has a specific or broad-spectrum biological function, and the biological safety and the biological functionality of the chronic wound dressing are better met.

The present application relates to the technical field of medical dressings, in particular to a gel zinc ion battery medical transparent dressing, a preparation method and application. The gel zinc ion battery medical transparent dressing is obtained through the synergistic effect of acetonitrile porosity and natural polymer network compounding, a porous structure suitable for ion transmission is obtained, and high permeability is achieved. When the gel zinc ion battery is discharged, micro-current is continuously generated, and electric stimulation is generated on the wound tissue. At the same time, the discharge process consumes H + in the hydrogel electrolyte, further promotes the slow dissolution of nano calcium phosphate in the hydrogel electrolyte, continuously releases Ca 2+ , and supplements extracellular Ca 2+ . The intracellular Ca 2+ signal formed by the activation of Zn 2+ forms a synergy, further accelerates the migration and proliferation of epithelial cells, and has good repair effect.

The utility model discloses an antibacterial transparent dressing for an indwelling needle, which comprises a transparent application, a protective structure, an antibacterial structure and a clamping sleeve mechanism, the middle of the transparent application is provided with a penetrating opening, and the protective structure is arranged at the bottom end of the transparent application; the antibacterial structure is arranged between the bottom end of the transparent application and the top end of the protection mechanism; the clamping sleeve mechanism is arranged at the penetrating opening and comprises a clamping sleeve part and a connecting part, the connecting part is arranged at the bottom end of the transparent application, and one end of the clamping sleeve part is fixedly connected with one end of the connecting part. The clamping sleeve part is fixedly connected with one end of the connecting part, after the connecting part is fixedly adhered to the inserting opening in the bottom end of the transparent application, the other end of the clamping sleeve part is wound, so that the clamping sleeve part is sleeved at the infusion connector, and then the other end of the clamping sleeve part is adhered and fixed, so that the arc shape and the size of the clamping sleeve can be flexibly adjusted; and the clamping operation of the infusion connector is more convenient.

The present invention belongs to the field of biomaterial technology, and specifically relates to a polyphenol-active protein coating for the treatment of chronic wounds and a preparation method thereof. The preparation method is to first utilize the non-material dependence of the polydopamine coating to form a carboxylated negatively charged surface on the surface of different dressings; then utilize electrostatic interaction to fix polyphenol-protein composite nanoparticles rich in multiple active sites and carrying positive charges on the surface of the dressing. The preparation method can directly construct a coating on the surface of different base dressing materials such as gauze, cotton pads, transparent dressings, electrospinning membranes, chitosan dressings, polyurethane foams, etc., and selectively adsorb different polyphenols and proteins on the surface of the dressing according to the different stages of wound healing, so that the surface has specific or broad-spectrum biological functions, which better meet the biosafety and biofunctionality of chronic wound dressings.

The invention discloses an antibacterial kapok fiber-based transparent dressing and a preparation method thereof. The preparation method comprises the following steps: firstly, carrying out alkali treatment and mechanical pulverization on kapok fibers to prepare microfibrillated kapok fibers; carrying out bleaching treatment on the microfibrillated kapok fibers to remove lignin to obtain microfibrillated kapok fibers without lignin; mixing the lignin-removed microfibrillated kapok fibers with growth factors, and performing vacuum filtration to obtain a growth factor-loaded kapok fiber-based transparent dressing; and grafting the synthesized isocyanate L-borneol to the surface of the growth factor-loaded kapok fiber-based transparent dressing to finally obtain the antibacterial kapok fiber-based transparent dressing. The natural kapok fiber is used as a core raw material, and has the characteristics of greenness and degradability. The dressing has antibacterial property, transparency facilitating real-time monitoring of wound healing and a growth factor slow release function promoting healing.

The utility model discloses an arterial indwelling catheter pasting film, which belongs to the technical field of indwelling catheter pasting films and comprises a main pasting film used for fixing an arterial indwelling catheter, an auxiliary pasting film used for being fixed at the position of a thumb in a wing type crossed mode, an auxiliary pasting film used for being adhered to the surface of skin in an auxiliary mode to increase the fixing effect of the main pasting film and a limiting pasting film used for pasting and limiting a long pipeline. An observable transparent dressing film is arranged in the middle of the main pasting film, the auxiliary pasting film is arranged on the side of the main pasting film, the auxiliary pasting film is also located on the side of the main pasting film, the included angle between the auxiliary pasting film and the auxiliary pasting film is 90 degrees, the limiting pasting film is arranged at the upper end of the main pasting film, and protective films are arranged on pasting layers on the main pasting film. According to the device, an arterial indwelling catheter and an extension pipeline can be fixed, a person can conveniently observe the abnormal condition of the puncture position through the transparent dressing film, corresponding measures are taken in time, the extension pipeline is fixed through wing type crossing of the pasting film and the thumb, and the purposes that dressing replacement is convenient, operation is convenient, time and labor are saved, and fixation is more uniform and attractive are achieved.

The invention relates to the technical field of puncture fixation, and discloses a cerebrovascular puncture fixing device for nerve intervention, which comprises a puncture needle body, a catheter is arranged on the puncture needle body, a heparin cap body is connected to the catheter, a first transparent dressing body used for being attached to a puncture position is arranged on the outer side of the puncture needle body, and a second transparent dressing body is arranged on the outer side of the first transparent dressing body. The first transparent dressing body is provided with a center arrangement hole, the puncture needle body corresponds to the center arrangement hole, and a catheter attaching and fixing assembly for limiting the position of a catheter is arranged on the outer side of the puncture needle body. The fixing state is analyzed according to the position, close to a pressure sensor, of a connecting rod, the position of a heparin cap body is fixed according to the position of a center arrangement hole, and after the positions of the heparin cap body and a second high pedestal are limited through an adhesive tape, the fixing state is analyzed according to the distance between a distance sensor and a position fixing reaction rod. The position is easy to find and fix during puncture fixation, repair and fixation can be carried out in time if the position is changed, and the stability during puncture treatment is improved.

The invention discloses a nano-silver transparent dressing for auxiliary dressing change of a catheter puncture port and a use method, and relates to the field of auxiliary dressing change of the catheter puncture port, the nano-silver transparent dressing comprises a medical transparent adhesive tape, one side of the medical transparent adhesive tape is provided with a fixed wing mechanism, and the fixed wing mechanism comprises a wafer infusion paste; through the arrangement of a plastic transparent stress short column, a medical gel hemisphere, a miniature pressure sensor and a pressure display device, real-time monitoring and regulation of compression force are achieved, and seepage wetting caused by insufficient pressure or skin ischemia caused by overlarge pressure is avoided; the observation through hole in the round infusion patch supports visualization of a puncture opening, evaluation can be carried out without removing dressing, and the skin injury and infection risk is reduced; the annular imbibition cotton ring surrounds the gel hemisphere, efficient imbibition is achieved, and central pressing is not affected; the nano-silver dressing body continuously releases silver ions, provides long-acting antibiosis and forms multiple protections.

The invention discloses a kind of antibacterial transparent dressing and its preparation method and application, belong to the field of antibacterial drug design and synthesis technology.First, using p-carboxylbenzaldehyde, 2,4-dimethylpyrrole etc. as raw materials to prepare the fluoroboron dipyrrole parent nucleus substituted by monocarboxyl group;Then two heavy atom iodine are introduced at its 2,6 position to increase its triplet and singlet oxygen quantum yield;Further with 1-(2-aminoethyl) piperidine, 4-methyl-1-piperazine ethylamine and N, N-dimethylethylenediamine respectively carry out condensation reaction, finally compound is made into aqueous solution and C10-30 acrylate cross-linked polymer is loaded on transparent PU film, and antibacterial transparent dressing is prepared.The photosensitizer synthesis cost of the present invention is low, side reaction is few, and yield is higher, and it is easy to purify, and transparent PU film is easy to obtain, is conducive to industrialized production, and can be used to prepare medical antibacterial dressing.

This invention belongs to the field of biomedical materials and discloses a pH-responsive 3D-printed hydrogel dressing, its preparation method, and its application. The hydrogel dressing is obtained by assembling a color-changing unit, an exudate-trapping module, a hydrogel layer, and a transparent dressing patch. The color-changing unit is prepared by extracting anthocyanins and staining with anthocyanins. The exudate-trapping module is prepared in one step using polyether polyol, water, catalyst, and foam stabilizer as the main raw materials. The hydrogel layer is obtained by 3D printing using gelatin, methacrylic anhydride, sodium alginate, growth factors, and photoinitiators as the main raw materials, followed by cross-linking with anhydrous calcium chloride solution and soaking in a metal cation aqueous solution. The hydrogel dressing prepared by this invention using 3D printing technology can perform CAD modeling according to the depth of the wound, and the printed hydrogel layer can fully contact the wound, better meeting the actual needs of different patients in clinical use.

The utility model discloses a body surface positioning transparent dressing which comprises a bottom paper layer and a transparent dressing layer, the transparent dressing layer is a waterproof material component and comprises a central area and a peripheral area arranged around the central area, a plurality of air holes are formed in the central area at intervals, and a glue layer is arranged on the bottom face of the peripheral area. At least two length scales are arranged at the connecting position of the upper end face of the peripheral area and the central area, patches are arranged above the air holes respectively, the transparent dressing layer is pasted to the skin surface of a patient through the glue layer, the air holes are sealed through the patches, when the patient takes a bath, body surface positioning marks can be protected against fading or blurring caused by water soaking, and after the patient takes the bath, the body surface positioning marks can be prevented from being damaged. A patient can tear down the patch, air holes are exposed, the skin is kept breathable and comfortable, a doctor can clearly see the outline of the body surface positioning mark through the length scale, the maximum radial line of the outline can be marked by any tool and compared with the length scale, and the maximum radial line value reading is accurate.

The visual transparent dressing used after the thoracoscope operation of the thoracic surgery comprises a non-woven fabric layer, a gel absorption layer and a transparent film observation layer, and the gel absorption layer is attached to the middle of the transparent film observation layer; the non-woven fabric layer surrounds the transparent film observation layer; the non-woven fabric layer is further provided with a first pipeline fixing adhesive tape and a second pipeline fixing adhesive tape. The first pipeline fixing rubberized fabric and the second pipeline fixing rubberized fabric are alternately arranged, and the first pipeline fixing rubberized fabric, the second pipeline fixing rubberized fabric and the non-woven fabric layer are connected into a whole; the wound dressing can adsorb exudate blood and exudate of a wound, contains chlorhexidine gluconate disinfectant, can achieve antibacterial and bacteriostatic effects, reduces the probability of wound infection, is transparent and visual, and enables medical staff to observe the wound condition, discover abnormity in time and discover and treat in advance, so that a treatment scheme can be better controlled and adjusted, and the wound dressing is convenient to use, safe and reliable. The wound is promoted to heal more quickly; the edge is a transparent film with high air permeability, so that the occurrence rate of rash can be reduced, and the adhesive tape is waterproof, antibacterial, safe, good in air permeability and relatively stable in adhesion.

The utility model relates to a self-made disposable flushing and drainage device which comprises at least one three-way connector, a plurality of three-way connectors are connected in series through a connecting pipe, a sputum suction pipe is inserted into one connector of each three-way connector, a flushing pipe is arranged in each sputum suction pipe, and the front ends of the sputum suction pipes and the front ends of the flushing pipes are placed in the wound of a patient. A wound is covered and sealed by a transparent application, the rear end of the flushing pipe penetrates out of the sputum suction pipe and is connected with a flushing connector, a drainage pipe is inserted into a remaining connector in the three-way connector located at the end, the drainage pipe is connected with a drainage bottle, and the drainage bottle is connected with a negative pressure source through a pipeline. A reserved pipe is inserted into the remaining connector of the three-way connector located at the tail end, and a water stop clamp is arranged on the reserved pipe. The device has the advantages of being simple and reasonable in structural design, convenient to manufacture, low in cost, suitable for multiple wounds, good in flushing and drainage effect and the like.