53 results about "Wound debridement" patented technology

This invention describes a wound dressing product for active continuous debridement of devitalized tissues in non-healing wounds including diabetic ulcers, pressure ulcers, burn injuries and other etiologies. The present invention pertains to the principle of continuous wound debridement which makes necrotic tissue more susceptible for removal and hence enhances progressive wound healing. The dressing contains an active ingredient, such as collagenase which serves to debride wounds in-situ. In the present invention purified Collagenase (90% pure) was deposited onto several wound dressing materials. A key feature of this invention is that the activity level of the Collagenase used was substantially preserved.

The invention discloses a negative pressure wound debridement and healing promoting device for burn plastic surgery, and relates to the technical field of burn wound debridement, the negative pressure wound debridement and healing promoting device comprises an application assembly and a machine body, a negative pressure suction device is installed on the inner wall of the machine body, the output end of the negative pressure suction device is fixedly communicated with a drainage tube, and the end part of the drainage tube is connected with a negative pressure mechanism; a plurality of pipeline connecting assemblies are arranged on the side face of the negative pressure mechanism and distributed in an annular array mode, and connecting pipes are fixedly communicated between the pipeline connecting assemblies and the application assemblies. Through the negative pressure mechanism, the application assembly sequentially carries out negative pressure operation on a burn wound from outside to inside, the negative pressure drainage acting force can be continuously adjusted to promote blood circulation, remove waste and media and achieve the purpose of promoting healing, the sealing effect is good, the blockage condition of a channel can be automatically sensed, a certain buffering effect is achieved, and the application effect is good. And the practicability is excellent.

The present invention belongs to the technical field of wound disinfection, and specifically is a hand and foot wound debridement and disinfection device, comprising a cleaning tray and a U-shaped fixing frame fixedly connected to the upper end surface of the cleaning tray, wherein a storage bottle for storing iodine tincture is installed in the inner cavity of the U-shaped fixing frame, and the storage bottle is connected to the inner cavity of the cleaning tray, the lower end surface of the cleaning tray is evenly provided with spraying ports, the upper end surface of the cleaning tray is installed with a limiting cylinder, and the upper end of the limiting cylinder is fixedly connected to the storage bottle, the bottle mouth of the storage bottle is fixedly connected to a folding cylinder, and the bottom of the inner cavity of the folding cylinder is fixedly connected to a conical column. The invention solves the problem that when spraying iodine tincture to clean the injured part of the patient's knee, the sprayed iodine tincture water mist gathers at the injured part of the patient, forming water droplets that flow downward along the patient's knee. If the iodine tincture is not wiped and cleaned, the iodine tincture will flow and adhere to the patient's clothes, causing trouble that is difficult to clean, and at the same time affecting the convenience and practicality of the wound debridement and disinfection device.

The invention relates to the technical field of medical instruments, and provides a sinus tract wound probing and debridement auxiliary tool which comprises a base body, a cylindrical body, a guide drill bit, a debridement structure and a driving assembly, the cylindrical body is rotationally connected with the base body through a driving element, the guide drill bit is detachably arranged on the cylindrical body and provided with a first wound debridement surface, and the first wound debridement surface is provided with a second wound debridement surface; the first wound cleaning surface is arranged in the rotating direction of the guide drill bit, the wound cleaning structure is arranged on the cylindrical body and driven by the driving assembly to move in the radial direction of the cylindrical body, the wound cleaning structure is provided with a second wound cleaning surface, and the second wound cleaning surface is arranged in the rotating direction of the guide drill bit. According to the sinus tract debridement device, the trend and form of the sinus tract can be preliminarily explored, the debridement structure is sent into the sinus tract after the sinus tract path is confirmed, necrotic tissue on the inner wall of the sinus tract is accurately removed, therefore, the debridement efficiency and operation safety are remarkably improved, and the sinus tract debridement device is particularly suitable for clinical diagnosis and treatment of sinus tract wound surfaces.

The utility model relates to the technical field of emergency nursing, and discloses a wound debridement device for emergency nursing, which comprises a machine body, universal wheels are arranged at the bottom end of the machine body, and a cleaning component is arranged on the machine body. According to the wound debridement device for emergency nursing, in order to debridement a wound better and protect emergency nursing personnel, the cleaning assembly is arranged, a vertical hydraulic cylinder and a multi-axis electric mechanical arm are started in a matched mode to move up and down to adjust the cleaning height, and a hydraulic rod is started to enable a rectangular box and a filter plate to bear limbs of the personnel to be debrided; an asynchronous motor is started to enable a rotating plate to drive a liquid outlet barrel to swing, an electromagnetic valve is started, a hose is matched, and a liquid storage barrel and a pump are started, so that cleaning liquid can be sprayed to a wound from a needle head and a side hole for debridement, the wound is better debridement, nursing personnel are prevented from excessively approaching a cleaning position by holding a traditional instrument, the automation degree of the device is improved, and the working efficiency is improved. And the effect of protecting emergency nursing personnel is achieved.

The utility model relates to the technical field of medical equipment, in particular to a wound debridement nursing device which comprises a cart, a limiting assembly, a blocking plate, a collecting assembly and a connecting piece. The cart is connected with the base which is connected with the storage groove. The limiting assembly is connected to the cart. The barrier plate is connected to the storage groove; the collecting assembly is connected to the cart. The collecting assembly comprises a collecting box; the collecting box is connected to the cart through the moving part, the partition plate is connected into the collecting box and divides the interior of the collecting box into a large containing cavity and a small containing cavity, the dustbin is placed in the large containing cavity, and the air purifier and the power supply box are placed in the small containing cavity. And the connecting piece is connected to the trolley. According to the wound debridement nursing device, discomfort of a patient and medical staff caused by the fact that peculiar smell of pollutants such as wound flushing water, aseptic cotton and dirt cleaned on the wound surface is emitted is avoided, the use function of the wound debridement nursing device is conveniently improved, children can conveniently cooperate with the medical staff to nurse wound debridement, and the practicability of the wound debridement nursing device is conveniently improved.

The visual excision mechanism comprises a sheathing canal, an image acquisition assembly is installed at the front end of the sheathing canal, a plurality of through holes are formed in the side wall of the front end of the sheathing canal, a cutting blade and a sealing plug are arranged in the front end of the sheathing canal, the cutting blade is located on the side, close to the front end of the sheathing canal, of the through holes, and the sealing plug is located on the side, close to the front end of the sheathing canal, of the cutting blade. The edge of the cutting blade abuts against the inner wall of the sheathing canal, a cutting edge facing the side of the rear end of the sheathing canal is arranged on the edge of the cutting blade, the sealing plug is located on the side, close to the rear end of the sheathing canal, of the through hole, and the sealing plug is in sliding and sealing fit with the inner wall of the sheathing canal. According to the technical scheme, the part needing to be cleaned can be positioned through the image collecting assembly, the device can stretch into the sneaking or sinus tract for operation, the sneaking or sinus tract can be in an open state without additionally arranging a wound for incision, damage is reduced, wound recovery is facilitated, and the recovery period can be effectively shortened.

The invention discloses a negative pressure liquid suction and solution flushing dual-purpose wound debridement device which comprises a debridement gun (4), a liquid collection pipeline (2) and a flushing pipeline (3) are arranged on the debridement gun (4), and a liquid suction head (5) connected with the liquid collection pipeline (2) and a flushing head (6) connected with the flushing pipeline (3) are arranged at the end of the debridement gun (4); a liquid collecting electromagnetic valve (7) is arranged on the liquid collecting pipeline (2); and a flushing electromagnetic valve (8) is arranged on the flushing pipeline (3). The negative pressure liquid suction function and the solution flushing function are integrated at the same working end, frequent switching operation caused by separation of a flushing handle and a washing liquid pipe in existing equipment is avoided, and the debridement efficiency is improved.

Disclosed herein are methods and compositions for enzymatic wound debridement. In some aspects, provided are methods for debriding a wound, comprising applying a composition including a poloxamer and a composition including a collagenase to the wound. In some aspects, the composition including a poloxamer and the composition including a collagenase are applied sequentially. Also provided herein are related kits and uses thereof.

The invention discloses a surgical wound debridement and suturing protection device, relates to the technical field of surgical suturing, and solves the problems that in the prior art, a working table is fixed in a cover body, and the direction of entering the interior of the device is fixed; inconvenience is brought to some patients difficult to move and auxiliary movement of medical staff. The slidable protection table is arranged on the surface of the workbench for limiting the position of the protection cover, the protection table serves as the position where a patient is located, when the patient is moved into the protection device for wound debridement and suture, the protection table can be pulled out of the protection cover, the protection table is in the unshielded position, and the patient is not shielded when moving; and sliding of the protection table in the protection cover is achieved through rotation of a screw rod, the rotating direction of the screw rod can be changed through position changes of a driving gear on the surface of a driving rod, then the sliding direction of the protection table on the surface of the workbench can be conveniently changed, and the device is convenient to use.

The present application relates to the technical field of medical devices, in particular to a wound debridement device for blood tumor patients, comprising a handle vertically arranged, an injection part, an adsorption part and a mounting part for clamping medical cotton, the lower end of the handle is provided with a placing cavity, the mounting part is arranged in the placing cavity, the injection part comprises a first cylindrical cavity, a first button, a vertical slide and a first flow channel arranged in the handle, the mounting part comprises a fixing block arranged in the placing cavity and detachably connected with the handle, when the medical cotton is clamped on the handle by the fixing block, part of the medical cotton extends out of the lower end of the handle through the center hole of the fixing block, and the adsorption part comprises a second cylindrical cavity, a second button and an adsorption channel arranged vertically. The present application is simple and fast in operation when debriding the wound of the patient, greatly shortens the debridement time and reduces the labor intensity of medical staff, simultaneously reduces the time of exposing the wound of the patient to the outside, reduces the risk of wound infection and improves the wound healing speed.

The invention relates to the technical field of medical treatment, in particular to anal fistula postoperative wound dressing change equipment and a dressing change method. The method comprises the following steps: acquiring three-dimensional shape data and wound exudate characteristic data; constructing a wound digital evaluation model based on the three-dimensional form data and wound exudate characteristic data, and performing judgment to obtain a wound healing stage judgment result; dressing change scheme parameters are selected according to the wound healing stage judgment result; a personalized dressing change execution instruction is generated based on the selected dressing change scheme parameters, and the automatic dressing change process of wound debridement, liquid medicine perfusion and dressing coverage is completed; after the dressing change process is completed, the three-dimensional shape data of the wound and the wound surface exudate characteristic data are collected again and compared and analyzed with the corresponding data before dressing change, and wound healing progress parameters are calculated; and performing dynamic adjustment according to the wound healing progress parameters to form a closed-loop dressing change optimization mechanism. By means of the device, the accuracy of wound dressing change after anal fistula operation can be improved.

The invention discloses a wound debridement and repair system and a medical atomizing sprayer, the system comprises a protective shell, a screwed joint, a core body, a nozzle rod, a rotating cylinder, a spray hole groove, a communicating pipe, a transducer, a protective cover, an arc-shaped plate, first through holes, a second through hole and a movable plate, the two first through holes and the two second through holes are matched together to clamp the communicating pipe, and when the protective cover needs to be installed, the protective cover can be installed; the two arc-shaped plates and the protective cover are sleeved along the nozzle rod, the arc-shaped plates are shifted, the two arc-shaped plates enable the two first through holes to be far away from each other under the action of the first magnetic plate and the second magnetic plate, the communicating pipe conveniently enters the second through hole, and finally the two first through holes are recombined under the repulsion action of the first magnetic plate and the second magnetic plate, so that the communicating pipe conveniently enters the second through hole. The two first through holes and the two second through holes are matched to jointly abut against the communicating pipe, the inner wall of the arc-shaped plate and the middle of the protective cover are matched to be attached to the outer wall of the rotating cylinder, stable connection between the rotating cylinder and the protective cover is further enhanced, and the mode is convenient and fast to operate.

This invention relates to the field of wound cleaning technology and discloses a portable wound cleaning device for individual soldiers based on negative pressure suction. The device includes a main body, and further includes: a suction chamber located on one side of the upper part of the main body, used to absorb waste fluid generated during wound cleaning; a storage chamber located at the bottom of the main body, containing a liquid sac; a placement chamber located on the other side of the top of the main body, containing a liquid sac filled with cleaning fluid; and a protective cover fixedly installed at one end of the main body, with a cleaning tube fixed to that end of the main body, located inside the protective cover. A second plug is fixed to the inner side of the placement chamber. This invention allows for rapid wound cleaning and creates negative pressure to collect waste fluid, avoiding secondary contamination from the external environment. Furthermore, the cleaning fluid is discharged at a moderate and uniform speed throughout the process, preventing excessively rapid discharge from impacting the wound and causing further injury, thus improving the effectiveness of the device.

Disclosed herein are methods for measuring endotoxin contaminants in a composition comprising an enzymatic debriding agent that may be used for enzymatic wound debridement. In some aspects, the methods comprise heating the composition, contacting the composition with a broad spectrum metalloprotease inhibitor, and measuring a concentration of endotoxin contaminants in the composition. Also provided herein are compositions comprising an enzymatic debriding agent for which a concentration of endotoxin contaminants is determined according to the disclosed methods and methods of manufacturing formulations including such compositions.

The invention discloses a diabetic foot wound debridement adjusting and flushing device, belongs to the field of medical apparatuses and instruments, and solves the problems that an existing device is inconvenient to adjust, flushing fluid is easy to crossflow and the flushing range is limited. The device comprises a box body, a leg supporting mechanism, a driving mechanism, a flushing mechanism and a liquid baffle, wherein the leg supporting mechanism is adaptive to different leg lengths and postures through sliding of a top plate, rotation of a thigh placing groove plate and adjustment of a supporting plate; the driving mechanism realizes lifting of a supporting rod B and overturning of a mounting seat through synchronous transmission, and a threaded rod B in the flushing mechanism is combined to drive a flushing seat to linearly slide, so that a flushing head can be accurately positioned to any wound surface such as the sole and the instep; the liquid baffles are inserted into the two sides of the leg containing groove plate, notches of the liquid baffles are matched with the leg outline, and flushing liquid is effectively prevented from splashing. According to the device, personalized supporting and full wound covering are achieved through multi-dimensional adjustment, the infection risk is reduced through the liquid-proof design, the efficiency and safety of diabetic foot debridement are remarkably improved, and the device is suitable for flushing treatment in a clinical sitting posture or lying state.

The invention provides a wound debridement flushing gun with a disinfection cabin, which comprises a gun body, a pressure regulating assembly, a control assembly, a self-locking mechanism, a spray head, a disinfection assembly and a quick release assembly, a doctor holds the flushing gun by hand, when water pressure needs to be increased, only a rotary drum needs to be rotated, if the water pressure needs to be reduced, a control rod needs to be pulled out, rotated by 180 degrees and inserted back, and the rotary drum is reversely rotated, and the operation is convenient. When a doctor needs to replace the spray head, the doctor only needs to insert the spray head into a disinfection chamber, an ejector block pushes a shifting rod, the connecting face of a semi-cylindrical lock cylinder A and a semi-cylindrical lock cylinder B and the connecting face of a cylindrical cavity are located on the same face, then the spray head is slightly rotated, a clamping block is clamped into the end of an L-shaped sliding groove, springback of a springback assembly is prevented, and rapid disassembly of the spray head is achieved; the spray head can be replaced only by one-hand operation, and the replaced spray head can be disinfected in the disinfection assembly immediately, so that preparation is made for next replacement.

This invention relates to the field of dressing technology and discloses a topical composite dressing for wound debridement. This topical composite dressing is formed by electrospinning using polyvinyl alcohol (PVA) as the base material and functional additives as excipients. The functional additives are diatomaceous earth coated with hyperbranched macromolecular antibacterial agents. The hyperbranched macromolecular antibacterial agents contain numerous ether bonds, which can generate a large number of hydrogen bonds with the hydroxyl groups in the PVA molecular chain. This allows the diatomaceous earth to bond with the PVA molecular chain through hydrogen bond cross-linking, thereby allowing the diatomaceous earth to fully utilize its advantages, improving the mechanical strength of the PVA fiber dressing, and also enhancing the liquid absorption performance of the PVA fibers by utilizing the rich porosity of the diatomaceous earth. Furthermore, the hyperbranched macromolecular antibacterial agent contains a large amount of the broad-spectrum antibacterial agent cinnamaldehyde, which endows the PVA fiber dressing with excellent antibacterial properties, preventing wound infection caused by bacterial growth.

The debridement device for the pediatric general surgery department relates to the technical field of debridement of the pediatric general surgery department, and comprises a bottom plate, a liquid storage box is installed on the bottom plate, a partition plate is installed in the liquid storage box, a pair of liquid level strips are arranged on the liquid storage box and correspond to partition spaces on the left side and the right side of the partition plate respectively, and an integration cabinet is installed on the bottom plate. A medical instrument storage drawer, a medicine storage drawer and a consumable storage drawer are arranged in the integration cabinet, handles are installed on the medical instrument storage drawer, the medicine storage drawer and the consumable storage drawer, a mounting plate is installed on the bottom plate, a debridement table is adjustably installed on the mounting plate, a spray head is arranged above the debridement table, and a spray head is arranged above the spray head. According to the wound cleaning and disinfecting device, cleaning and disinfecting of wounds are carried out in a classified mode, waste of disinfectant is avoided, and the treatment effect on the wounds is good. The device integrates the functions of wound debridement and collection of medical instruments, medicines and consumables, and the treatment efficiency of the infant wound can be improved.

1. The name of this design product: Wound irrigation storage bag. 2. The purpose of this product design: It is attached around the wound to collect the flushing fluid during wound debridement, flushing and dressing changes to prevent liquid leakage. 3. The key design point of this design product lies in the combination of shape and pattern. 4. The picture or photo that best illustrates the key points of the design: main view.

The invention relates to the technical field of medical tools, in particular to a general surgery wound debridement device which is mainly composed of a wound bag patch and a debridement machine, the wound bag patch comprises an annular base layer and a debridement bag, the annular base layer is attached to the body surface of a patient, a wound exposure opening is formed in the middle of the annular base layer, the debridement bag is attached to the annular base layer, and a debridement opening is formed in the back face of the debridement bag; a drainage tube and a discharge tube are respectively arranged above and below the debridement bag corresponding to the position of the wound exposure opening, and a valve is mounted on the discharge tube. The debridement machine comprises a machine box and a plurality of debridement liquid medicine bottles, and a single-inlet multi-outlet connector and a multi-inlet single-outlet connector are further installed in the debridement machine to achieve transmission and control of liquid medicine. When in use, the wound bag patch is applied to the wound of a patient, the wound bag patch is connected with the debridement machine, the debridement liquid medicine is introduced into the wound bag patch by the debridement machine, the wound of the patient is sterilized, cleaned or applied with the medicine, the wound can be sterilized, cleaned and applied with the medicine through one wound bag patch, and the debridement efficiency and effect are improved.

A method, kit and instrument (2) for debridement and / or cleaning of wounds, sores or ulcers, the instrument (2) comprising: a first portion (4) comprising an antibacterial composition; a second portion (6) containing a water absorbent material and thereby functioning as a water reservoir; a top surface (8), wherein the top surface is abrasively active; and a water-permeable bottom surface (10), wherein the first portion (4) and the second portion (6) are separated from each other by a water-impermeable main membrane (28).

The application discloses a kind of partition negative pressure regulation's burn plastic debridement healing promotion device and use method, belong to burn processing field.A kind of partition negative pressure regulation's burn plastic debridement healing promotion device, including collection box, the two sides in the inside of collection box are separately provided with second movable base and first movable base, the second movable base upper end is provided with the second material collecting barrel of four recesses.The application solves the problem that burn plastic negative pressure wound debridement healing promotion device will continuously suck out the liquid flowed from the wound position of patient and collect when in use, after uniform collection, influence the judgment of medical staff to the degree of wound healing, the liquid flowed from the wound position of the present application is adsorbed and directly falls into rotatable second material collecting barrel, and the four evenly distributed recesses in rotating second material collecting barrel can collect the liquid flowed from the wound position in different time periods.

The debridement device comprises a wound debridement disc main body, the wound debridement disc main body comprises a main box body, a placement tray is arranged at the bottom end of the interior of the main box body, electric heating rods are arranged at the two ends of the interior of the main box body, and an ultraviolet disinfection lamp is installed at the top end of the interior of the main box body. Supporting brackets are mounted at the two ends of the upper surface of the main box body through lifting rods; by designing a rotating mechanism, after debridement treatment, surgical instruments can be placed in a placement tray after being cleaned, residual water on the surfaces of the surgical instruments penetrates through the placement tray and enters a collection box for collection treatment, and a driving motor operates to drive a supporting plate and the placement tray to stably support and rotate; the placing tray stably supports and rotates to drive the surgical instruments to rotate inside, so that the electric heating rod is convenient to rotate, uniformly heat and quickly dry during heating and drying, and meanwhile, the ultraviolet disinfection lamp uniformly disinfects the surgical instruments.

The invention provides an extraction method of autologous neutrophil physical activation multi-component protein and application of the autologous neutrophil physical activation multi-component protein in chronic infectious wound treatment. According to the method, the neutrophil is physically activated, so that chemical irritant residues are avoided, and the compound protein component rich in MPO, NE, Lysozyme, Lactoferrin and other multiple bactericidal proteins is obtained. And the protein component is directly delivered to the basal part of the chronic wound surface in a multi-point and layered injection mode (1 time / 3 days, 250 [mu] L / time) in a focus area, so that bacterial biofilms and necrotic tissues can be effectively removed, wound debridement, cell migration and matrix remodeling are promoted, and the healing of the chronic infectious wound surface is accelerated. The method disclosed by the invention has the advantages of autologous source, good biocompatibility, accurate treatment and the like, is particularly suitable for treating chronic infectious wounds such as diabetic foot ulcer and the like, and provides a new thought for treating the chronic wounds.

A wound debridement system includes a wound dressing having an active layer and a wound interface layer. The active layer is formed from one or more drive elements arranged about a film layer, by which the drive elements are attached to the wound interface layer. Activation of the drive elements is configured to cause the movement of the wound interface layer relative to a tissue site to which the wound dressing is applied. The drive elements may include one or more drive members formed of a material having a shape memory effect configured to transition the drive members between expanded and collapsed configurations and / or one or more motors configured to translate or oscillate the active layer. The wound interface layer may be formed having an abrasive wound-facing surface, such that the movement of the wound interface layer causes a mechanical disruption and debridement of debris at the tissue site.

This invention describes a wound dressing product for active continuous debridement of devitalized tissues in non-healing wounds including diabetic ulcers, pressure ulcers, burn injuries and other etiologies. The present invention pertains to the principle of continuous wound debridement which makes necrotic tissue more susceptible for removal and hence enhances progressive wound healing. The dressing contains an active ingredient, such as collagenase which serves to debride wounds in-situ. In the present invention purified Collagenase (90% pure) was deposited onto several wound dressing materials. A key feature of this invention is that the activity level of the Collagenase used was substantially preserved.

The present application relates to burn negative pressure wound debridement technical field, especially a kind of burn plastic surgery wound debridement healing promotion device, it includes movable shell, the movable shell is formed by a plurality of movable body splicing, the movable body one side edge is equipped with sliding slot, the movable body other side edge is fixedly connected with slide bar, the slide bar of adjacent movable body is slidably connected in sliding slot inner wall, the movable body axle center position is fixedly connected with suction tube one end, suction tube other end is fixedly connected with negative pressure pump.By adjusting the height between each movable body, the shape of entire movable shell can be changed, the movable body in middle part is pushed upward, the middle part of movable shell can be bulged, form an arched shell, so that movable body does not contact wound, avoid its attached on wound, large area of stinging wound, and the movable shell of middle part bulge can protect part of wound, prevent from touching wound position before scabbing, lead to severe pain or affect scabbing.

The invention discloses a burn plastic debridement and healing promoting device with a partitioned negative pressure adjustment function and a using method, and belongs to the field of burn treatment. The burn plastic debridement healing promoting device with the partitioned negative pressure adjustment function comprises a collecting box, a second movable base and a first movable base are arranged on the two sides of the interior of the collecting box respectively, and a second material collecting barrel with four grooves is arranged at the upper end of the second movable base. The negative-pressure wound debridement and healing promoting device solves the problem that when a negative-pressure wound debridement and healing promoting device for burn and plastic surgery is used, liquid flowing out of a wound of a patient can be continuously sucked out and collected, and after unified collection, judgment of medical staff on the wound healing degree is affected. Liquid flowing at the wound position can be adsorbed and directly falls into the rotatable second material collecting barrel, and the liquid flowing out of the wound position at different time periods can be collected by rotating the four evenly-distributed grooves in the second material collecting barrel.

The invention discloses a handheld portable wound debridement device which comprises a movable frame (1), and a solution box (2) carrying a pump body is arranged on the movable frame (1); the liquid outlet end of the solution box (2) is connected with a nozzle main body (3) through a pipeline, one end of the nozzle main body (3) is provided with a fluid guide seat (4), and the front end of the fluid guide seat (4) is connected with a mixing head (5) through a fixing ring (6); the end part of the fixing ring (6) is connected with an end nozzle (7) communicated with the mixing head (5), an inner bracket (8) is arranged in the end nozzle (7), a motor seat (9) is arranged at the side part of the end nozzle (7), and a motor (10) is arranged in the motor seat (9); a deflection type conical assembly (11) is arranged in the inner support (8). Wound debridement is achieved in an annular water outlet mode, the water flow pressure is relieved, and the comfort of wound debridement is improved.