192 results about "Pressure sore prevention" patented technology

The utility model belongs to the technical field of medical care products, and particularly relates to a pressure sore prevention foot protection sleeve which comprises a supporting seat with a containing cavity, a bandage connected to the supporting seat and a bottom buffering cushion arranged at the bottom of the supporting seat, and an adjusting groove is formed in the bottom buffering cushion. An ankle supporting device capable of moving up and down is arranged in the adjusting groove, the ankle supporting device comprises a supporting plate and an ankle liner arranged on the supporting plate, and the ankle liner and the bottom buffering pad are made of the same material; the two ends of the supporting plate extend into adjusting windows formed in the two side walls of the supporting base in an overhanging mode correspondingly, and magnetic suspension assemblies used for adjusting the height of the supporting plate are arranged at the bottoms in the adjusting windows. The pressure reducing device is used for solving the technical problems that an existing pressure reducing device is simple in structure, the pressure on the foot can be recovered after long-time use, and the use effect is poor.

The invention provides a body pressure temperature and humidity monitoring AI pressure sore early warning intelligent air cushion bed, which comprises a modularized air cushion bed main body composed of 48 independent controllable air chambers, a 12 * 12 sensing array composed of 144 optical fiber pressure sensors, a monitoring subsystem composed of 72 miniature temperature and humidity sensors, and a data acquisition and processing system integrated with a 32-bit ARM processor. The AI risk prediction module combines a convolutional neural network with a recurrent neural network, the intelligent pressure regulation system has a dynamic pressure distribution algorithm, and the nursing system integration module provides an HL7FHIR standard interface. The system monitors body pressure distribution in real time through an optical fiber sensor, monitors the skin state through a temperature and humidity sensor, predicts the pressure sore risk through an AI algorithm, automatically adjusts the pressure of an air chamber, and pushes early warning information and turning-over reminding to a nurse station at the same time. The pressure sore prevention effect is remarkably improved, the prediction accuracy rate reaches 92% or above, the pressure sore occurrence rate is reduced by 78%, personalized intelligent nursing is achieved, the nursing efficiency is improved by 35%, and the medical cost is reduced by 60-70%.

The utility model discloses a pressure sore prevention rescue transfer mattress which comprises a base bed plate, an air cushion layer and a miniature air pump. The base bed plate is made of a hard material; the air cushion layer is fixedly mounted on the upper surface of the board body of the base bed board; air bag assemblies and one-way valve air taps are distributed on the air cushion layer, and the one-way valve air taps are communicated with the air bag assemblies; the micro air pump is detachably connected with the one-way valve air tap through an air conveying pipe in a communicating mode and used for inflating / deflating the air bag assembly. According to the utility model, jolt to a patient in the transfer process can be reduced, and pressure sores of the patient in the observation period can be prevented at the same time.

The present disclosure provides a robotic system for pressure sore prevention comprising a force resistance sensor (FRS) array configured to measure force applied thereon by a body part of a patient positioned thereon; an array of at least two Soft Robot assemblies connected to the FRS array, each of the at least two Soft Robot assemblies configured to accept fluid into it, to change its degree of inflation independently of other Soft Robot assemblies; and a control unit configured to periodically receive force measurements from the FRS array to instruct the array of at least two Soft Robot assemblies to change its degree of inflation once a predefined threshold is reached, to change a 3D configuration of the robotic system and thus, change position and / or orientation of the body part, and interrupt the pressure applied by the body part onto the surface of the FRS array, for pressure sores prevention.

The application discloses a kind of intelligent operation body position monitoring method and system for long time operation pressure injury prevention, it is related to intelligent medical equipment and medical sensing monitoring technical field, for solving the problem of poor anti-interference and prone to body position displacement caused by blind decompression of traditional operation pressure sore prevention means.First, stress and temperature and humidity signals are acquired by sensor array and compensation calibration is carried out, environmental interference is eliminated to construct pressure distribution matrix;Subsequently, stress gradient is analyzed and time accumulation mapping is carried out relying on topological characteristics, and core high-risk site and load characteristics are accurately locked;Then, physiological and time sequence parameters of patient are fused to deduce tolerance baseline, and individualized bearing limit boundary is generated to realize dynamic early warning;Finally, the strategy of establishing support by using peripheral air bag progressive pre-inflation and center air bag servo unloading exhaust is adopted, which completely resolves concentrated stress while maintaining the absolute stability of operation body position, and constructs active protection closed-loop system.

The utility model discloses a pressure sore prevention device, which comprises a placing plate group, the placing plate group comprises a side frame, the inner side of the side frame is fixedly connected with a groove plate, the groove plate is provided with a plurality of through grooves, a balloon component is arranged above the groove plate, and the balloon component is detachably connected with the through grooves; the pressure sore prevention device comprises a placing plate set and a fixing frame set arranged below the placing plate set, the fixing frame set comprises hanging plates, the number of the hanging plates is two, the two hanging plates are symmetrically arranged, and limiting sliding rails are fixedly connected to the upper portions of the ends of the hanging plates. And the placing plate group and the bed body can be fixed through the fixing frame group, so that the displacement phenomenon of the placing plate group in the using process is effectively reduced, it is ensured that the device does not deviate, and the using effect of the device is ensured.

The invention discloses a pressure sore risk monitoring device and early warning system based on multi-sensor fusion, and the device comprises a film pressure sensor which is used for monitoring the body surface pressure; the temperature and humidity sensor is used for monitoring local temperature and humidity; the oxyhemoglobin saturation sensor is used for monitoring the oxyhemoglobin saturation of the tissue; the main control chip is used for calculating a risk score based on the body surface pressure, the local temperature and humidity and the tissue blood oxygen saturation degree. The system comprises a plurality of pressure sore risk monitoring devices and an upper computer. The upper computer is provided with a visual interface and dynamically displays a pressure thermodynamic diagram, a temperature and humidity curve and an oxyhemoglobin saturation trend. Flexible structure design and a multi-sensor fusion algorithm are combined, limitation of a traditional monitoring mode is broken through, the system has the advantages of non-sensitive wearing and all-weather continuous monitoring, visual early warning and personalized nursing suggestions are provided, accuracy, real-time performance and clinical nursing efficiency of pressure sore prevention are remarkably improved, and the system is suitable for popularization and application. The medical cost caused by severe pressure sores is effectively reduced.

The utility model discloses an adjustable pressure sore prevention air cushion, which comprises a fixing sleeve, a folding component and a pressure sore prevention air cushion, and is characterized in that the fixing sleeve is detachably connected with the front end of a mattress; the folding assembly comprises a fixing plate fixedly connected to the upper end of the fixing sleeve, a telescopic rod piece rotationally connected to the side end of the fixing plate and an adjusting rod piece rotationally connected to the side end of the telescopic rod piece, and the pressure sore air cushion is fixedly connected to the adjusting rod piece. Through the tightly fixed fixing sleeve and the flexibly adjusted folding assembly, the pressure sore air cushion can stably and individually support different parts of a patient, and more accurate nursing is provided.

The invention relates to the technical field of medical instruments, in particular to a wearable multi-mode cerebral apoplexy rehabilitation device and method. The device comprises a supporting frame, a wearing assembly, a vibration circulation promoting module, an air pressure sequential extrusion module and a central control unit, the central control unit takes an ATMEga128 single-chip microcomputer as a core and is connected with peripheral equipment such as an angle sensor and a pressure sensor, and all the modules are controlled to operate through a ULN2003 driving chip. The core cooperation logic is that when the supporting platform inclines to a preset angle, sequential vibration massage of limbs on the same side and air pressure extrusion from the far end to the near end are automatically triggered, and meanwhile double safety protection is achieved by combining a Hall sensor and an inductive sensor. According to the device, multi-mode rehabilitation means linkage is achieved, anti-bedsore body position management is carried out, the rehabilitation efficiency is improved, the nursing burden is reduced, and the device is suitable for hospitals and home scenes.

A pressure sore prevention bed, or bed attachment, is provided which features a plurality of moveable body supports taht can be moved on a regular basis to prevent the development of pressure sores, on a patient resting on the bed. The bed includes a support frame, a series of moveable body supports, such as rollers or wheels, and a drive mechanism in operative connection with the moveable body supports.

The utility model discloses a kind of pressure injury prevention seat cushions for wheelchair, it is related to seat cushion technology field for wheelchair, including needle shuttle weaving outer wrapping cloth, needle shuttle weaving outer wrapping cloth inside is placed with the memory sponge adapted to it, the top of one side of needle shuttle weaving outer wrapping cloth is sewn and is connected with knitted cover cloth, the memory sponge is penetrated and is provided with sacrum coccyx process decompression hollow slit and two lateral pelvic floor ischium process decompression hollow slit.The utility model discloses a kind of pressure injury prevention seat cushions for wheelchair, by setting buttocks arc concave surface and memory sponge and adhere to human sitting posture curve, set sacrum coccyx process decompression hollow slit corresponding human sacrum coccyx position, two lateral pelvic floor ischium process decompression hollow slit respectively corresponding human left and right lateral pelvic floor ischium position, gap is closed when no pressure, when pressure, open certain width with pressure, slow down the gravity pressure of process, realize the buffer decompression of corresponding position, this seat cushion is convenient to use, can be washed detachable, it is convenient to carry and take.

The utility model relates to the technical field of protection pads, and discloses a prone position pressure sore prevention protection pad which comprises a frame, a plurality of protection pad bodies are fixedly connected to the top of the frame, shells are fixedly connected to the four corners of the outer portion of the protection pad body on the left side, and springs are arranged in the shells. A limiting plate is slidably connected to the interior of the shell, a rubber rod is fixedly connected to the top of the limiting plate, a head supporting pad is fixedly connected to the top of the rubber rod, a rubber plate is rotatably connected to the close sides of the two protection pad bodies, and adjusting assemblies used for supporting are fixedly connected to the front side and the rear side of the exterior of the frame correspondingly. The top of the protection pad body in the middle is fixedly connected with a waist supporting pad. According to the utility model, the rubber rod extrudes the spring through the limiting plate, so that the spring deforms, the spring is compressed in the shell, the comfort level of a patient can be improved, and the patient feels happy.

The utility model relates to the technical field of pressure sore prevention pad, and disclose an alternating inflation's pressure sore prevention pad, including bottom layer cushion, the upper surface of bottom layer cushion evenly installs first gasbag, the upper surface of bottom layer cushion installs second gasbag in the position between first gasbag, between first gasbag and second gasbag all are connected with the inflation flow channel, inflation main road, install in the position of inflation flow channel outer end air inlet, the outer end gas outlet of inflation main road is equipped with electric inflation pump, the outer end of first elastic band is connected with the joint block, the top of second elastic band installs the cylindrical gasbag. This alternating inflation's pressure sore prevention pad, through the two groups of independent inflation gasbag of first gasbag and second gasbag of adding, make can pass through the alternating inflation of horizontal direction and first gasbag, can dynamic adjustment pressure distribution, avoid local sustained pressure, effectively prevent pressure sore, and the cylindrical gasbag of adding further can support waist optimization pressure distribution.

The utility model relates to a pressure sore prevention oxygen uptake protection patch which comprises an outer protection layer, a breathable layer, an oxygen uptake layer, an absorption layer, a pressure dispersion layer and an adhesion layer which are sequentially arranged from outside to inside. A plurality of grooves are uniformly distributed in the adhesion layer and protrude from the adhesion layer to the pressure dispersion layer; the groove is higher than the bottom end of the adhesion layer; a containing groove matched with the groove is formed in the pressure dispersing layer, and the pressure dispersing layer is made of an elastic material; a supporting layer is further arranged between the outer protective layer and the breathable layer and is of a grid structure or a honeycomb structure. According to the pressure sore prevention oxygen uptake protection patch, stable supporting is provided through the supporting layer, the overall structural strength of the protection patch is enhanced, it is guaranteed that the shape and the function of the protection patch are kept in the using process, and deformation or collapse caused by pressure and friction is avoided; the supporting layer can uniformly disperse external pressure, relieve local pressure concentration, prevent skin and tissue damage and prevent pressure sores.

The utility model relates to the technical field of medical air cushion design, and discloses a pressure sore prevention air cushion which comprises a base cushion, an inflatable cushion, a first inflation nozzle and a first sealing plug and further comprises a circular air bag ring, a sealing plate located on one side of the air bag ring and a headrest cushion located on the side, away from the air bag ring, of the sealing plate. A C-shaped first wrapping ring is arranged on the side, away from the sealing plate, of the air bag ring, the inflatable cushion comprises a first cushion body, a second cushion body and a third cushion body, and a first embedding part embedded into an opening of the first wrapping ring is arranged at the end, away from the first cushion body, of the second cushion body. The end, away from the second pad body, of the first embedding part is provided with a first clamping part abutting against the interior of the circumferential side of the first wrapping ring, and the end, away from the first pad body, of the third pad body is provided with a second embedding part embedded into an opening of the first wrapping ring. A second clamping part abutting against the interior of the circumferential side of the first wrapping ring is arranged at the end, away from the third pad body, of the second embedding part.

The utility model provides a kind of nose guide oxygen pipe of ear part pressure sore prevention, belong to medical instrument technical field, including: including oxygen intake component and fixed component, oxygen intake component is installed on fixed component, and fixed component is fixed on the head of user.The utility model is provided with fixed component on the oxygen intake component, so that oxygen intake component is fixed on the head of patient by fixed component, to avoid the tension of oxygen intake component when patient rolls over, causing oxygen intake component to separate, avoid the problem of oxygen intake component falling off, while using the above fixing mode, solve the traditional ear hanging type nose guide oxygen pipe when long time oxygen inhalation, it is easy to cause ear part pressure sore, cause the discomfort of patient.

The utility model discloses a pressure-adjustable sitting and lying dual-purpose pressure sore prevention cushion, and relates to the technical field of cushions, the pressure-adjustable sitting and lying dual-purpose pressure sore prevention cushion comprises a cushion body, the bottom of the cushion body is fixedly provided with a silica gel bottom cushion, and the outer side of the cushion body is fixedly provided with an air inlet pipe and an air outlet pipe. An electric telescopic rod drives a connecting plate to perform reciprocating motion, so that a second rack moves along with the connecting plate, a second gear is driven to rotate back and forth in an engaged mode, a rotating shaft rotates back and forth along with the connecting plate, a plurality of first gears are driven to rotate together, and first racks on the two sides of the first gears are driven to perform reciprocating up-down motion; and the plurality of massage heads can perform point pressure massage on thighs of a human body through the plurality of massage convex points, so that the condition that the thighs are pressed for a long time to cause numbness when people sit for a long time and blood cannot circulate is effectively prevented, and the using effect of the cushion is improved.

The utility model discloses a pressure sore nursing decompression pad which comprises a bottom pad, an air bag is arranged at the upper end of the bottom pad, a limiting groove is formed in the upper end of the bottom pad, a limiting shell is arranged in the limiting groove, a first limiting opening is formed in the upper end of the limiting shell, a limiting plate is slidably connected into the limiting shell, and a first spring is arranged between the limiting plate and the limiting shell. A second limiting opening is formed in the upper end of the limiting plate, a limiting rod is slidably connected to the interior of the first limiting opening, a clamping block is slidably connected to the upper end of the limiting rod, a third limiting opening is formed in the upper end of the clamping block, a limiting block is arranged at the upper end of the limiting rod, and a clamping block is arranged at one end of the limiting rod; a second air pipe is arranged between the clamping block and the limiting shell, and a silica gel strip is arranged at the upper end of the air bag. According to the pressure sore prevention device, the skin pressure of a patient can be conveniently relieved, the skin pressure of different positions of the patient can be conveniently relieved at the same time, and pressure sores of the patient are prevented.

Disclosed is a bedsore-preventing cushion structure. The present invention comprises: a lower panel having a plurality of downward-protruding flat air cells into which air is independently supplied by means of a plurality of air adjustment devices; and an upper panel coupled onto the top of the lower panel and having a plurality of upwardly-protruding upper air cells arranged in a grid pattern. According to the present invention, a user experiencing asymmetry in the hips and thighs visually selects and adjusts, according to the characteristics of the body, an air adjustment device corresponding to an area, from among the left hip, right hip, left thigh, and right thigh, for which the height and support strength are desired to be adjusted, thereby allowing use of the bedsore-preventing cushion structure that has been adjusted to match the characteristics of the body of the user experiencing pelvic asymmetry and muscle mass reduction.

The utility model relates to the field of medical auxiliary instruments, in particular to a pressure sore prevention nursing mattress which comprises a special-shaped air bag, a strip-shaped air bag, an upper-layer mattress, a middle-layer mattress, a lower-layer mattress and a control module, and the middle-layer mattress and the upper-layer mattress can be folded upwards by taking respective longitudinal center lines as rotating shafts; the strip-shaped air bags are arranged in the transverse direction of the upper-layer mattress, the strip-shaped air bags are tightly arranged in the longitudinal direction of the upper-layer mattress, the strip-shaped air bags are detachably arranged on the upper-layer mattress, and the adjacent strip-shaped air bags can be alternately inflated or deflated; the middle-layer mattress is provided with a temperature control tube, a massage assembly and a ventilation assembly; the lower-layer mattress is provided with a special-shaped air bag, and when the special-shaped air bag is inflated and expanded, the middle-layer mattress and the upper-layer mattress are folded upwards; the control module controls inflation and deflation of the special-shaped air bags and the strip-shaped air bags. The pressure sore prevention nursing mattress provided by the utility model can be directly used on an existing nursing bed, so that compression on local body parts of a patient is reduced, the patient is assisted in turning over, and pressure sores are prevented.

The invention relates to the technical field of massage and pressure sore prevention instruments, in particular to a push-pull core strip type massage assembly and a massage pressure sore prevention pad, the push-pull core strip type massage assembly comprises a core strip and at least one massage ring, the massage ring is arranged on the circumferential face of the core strip in a sleeving mode, and when the massage ring is pressed under the body and then the core strip moves in the length direction of the massage ring, the massage ring is pressed on the periphery of the core strip. The massage ring can roll under the body and on the peripheral surface of the core strip; the massage pressure sore prevention pad comprises at least one connecting rod and at least two sets of push-pull core strip type massage assemblies, and the connecting rod is at least connected to one end of each push-pull core strip type massage assembly. The device is simple in structure, light, small, portable, low in cost, easy to manually drive and flexible, convenient and safe to use, is particularly suitable for local massage of perianal parts and other body parts which are not easy to touch, and is also particularly suitable for preventing pressure sores during wheelchair sedentariness and operation.

The invention belongs to the technical field of medical instruments and intelligent nursing, and discloses multifunctional nursing equipment suitable for aging and based on multi-modal monitoring and a nursing method.The nursing equipment comprises a nursing bed body, a multi-modal monitoring unit, a nursing supporting unit, an excretion supporting unit and an intelligent control unit, and the multi-modal monitoring unit, the nursing supporting unit, the excretion supporting unit and the intelligent control unit are arranged on the nursing bed body; a complete closed loop of monitoring-prediction-control-execution is constructed, the multi-mode monitoring unit comprehensively collects physiological-behavior-environment data, the intelligent control unit prejudges nursing requirements through a pre-trained AI model of a front-end computer, and a PLC drives all the units to execute nursing actions such as body position adjustment, pressure sore prevention and excretion without leaving a bed. Safety protection and remote cooperation functions are matched. The problems of few monitoring and nursing functions, response lag and the like of existing equipment are solved, the nursing accuracy and safety are improved, the nursing burden is reduced, and the system is suitable for nursing scenes such as hospitals, old-age nursing institutions and families.

1. Name of the design product: Main body of the hospital bed (anti-pressure ulcer wooden model). 2. Use of the design product: Used for hospital beds, with functions such as lifting, backrest raising, leg bending, and anti-pressure ulcer. 3. Design key points of the design product: Lies in the shape. 4. Picture or photo that best shows the design key points: Stereogram. 5. Other situations that need to be explained: Other explanations: This design requests partial protection. The part outside the green-covered area is the protected part, and the green-covered area is the unprotected area. This design does not request protection of color.

The present application relates to the technical field of medical devices, in particular to a face pressure sore prevention device. The device comprises a shell, a liquid storage frame, a monitoring mechanism and the like. A circular hole is formed on the top of the shell. The shell is provided with the liquid storage frame. The liquid storage frame is provided with the monitoring mechanism. The monitoring mechanism is used for monitoring the temperature of the liquid in the liquid storage frame. The monitoring mechanism, the heating pipe and the refrigeration pipe can be used to monitor the water temperature in the liquid storage frame in real time and automatically adjust the heating or refrigeration. The liquid in the input water bag can be maintained in a preset comfortable temperature range. The defects of the prior art that the temperature of the air bag is easily affected by the environment are overcome. The discomfort of the patient's face caused by the overcooling or overheating of the temperature is avoided. The constant warm support can significantly improve the comfort of the patient in the long time prone position treatment, promote the local blood circulation of the face, enhance the tissue tolerance, and further reduce the risk of pressure injury on the basis of dynamic decompression.

The invention discloses a nursing bed for preventing bedsores and cleaning excreta in time, a massage structure is arranged on a nursing bed body, and a urination opening is formed in the edge of the massage structure. The invention relates to the technical field of nursing beds, and has the beneficial effects that a negative pressure suction device and a matched drying function enable urine of a patient to be removed in time, so that the skin wetting time is shortened, the occurrence rate of urinary tract infection and perineum dermatitis is reduced, the cost of adult diapers is reduced, and the defects caused by the adult diapers are overcome. Automatic massage and electrical stimulation solve the problem of passively preventing bedsores, the electrical stimulation is particularly suitable for completely paralyzed patients, muscle atrophy can be effectively delayed, the effect of promoting blood circulation is achieved, and the frequency of turning over is reduced.

The utility model provides a non-invasive breathing machine face pressure sore prevention pad, relates to the technical field of auxiliary medical equipment, and aims to solve the problem of face pressure sores caused by a breathing mask in the prior art, and the non-invasive breathing machine face pressure sore prevention pad comprises a pressure prevention pad body, the pressure-resistant pad body comprises a first pad body attached to the nose bridge and two second pad bodies attached to the left face and the right face, the first pad body is bent towards the upper sides of the second pad bodies, and the two second pad bodies are connected to the left side and the right side of the first pad body respectively. And the two second pad bodies are symmetrically arranged relative to the center line of the first pad body. The face pressure sore prevention pad of the noninvasive ventilator can play a role in protecting the nose bridge and the cheeks at the same time, the relative displacement can be reduced through the integral structure, and the positioning effect is good.

The utility model relates to the technical field of pressure sore prevention, and discloses a pressure sore prevention device for nursing. Comprising a pressure sore prevention mechanism, a main body mechanism is arranged on the surface of the pressure sore prevention mechanism, a ventilation mechanism is arranged on the surface of the main body mechanism, the pressure sore prevention mechanism is located above the main body mechanism, the ventilation mechanism is located in the main body mechanism, and the pressure sore prevention mechanism comprises an arc-shaped soft cushion; the pressure sore prevention device comprises an arc-shaped soft cushion, two circular grooves are formed in the top of the arc-shaped soft cushion, a plurality of ventilation holes are formed in the top of the arc-shaped soft cushion, a fixed elastic plate is fixedly connected to the bottom of the arc-shaped soft cushion, and two clamping blocks are fixedly connected to the side face of the fixed elastic plate. During use, the circular groove is extruded by the buttocks of a patient, the arc-shaped soft cushion plays a role in supporting and buffering the buttocks of the patient, meanwhile, the arc-shaped soft cushion is perfectly attached to the buttocks of the patient under extrusion of the patient, and the use comfort of the patient is improved.

The subject of the application is an active mat, which is characterized in that on the upper surface of its base there are arranged massage modules (2), each of which comprises a body having a bottom wall and side walls, wherein the body on the side of the base (1) has driving elements, and furthermore inside the body there is at least one pneumatic actuator, which is connected at the bottom to the bottom of the body and at the top to a cushion, and the outer surface of the body of each of the massage modules (2) is connected to the outer surface of the body of at least one other massage module (2), wherein at least some of these connections are articulated, and furthermore the working surface of the base (1) is surrounded by vertical rails (29).

The invention relates to the technical field of medical mattresses, and provides a multifunctional treatment mattress capable of relieving pressure injury of a patient, the multifunctional treatment mattress comprises a base, the interior of the base is connected with a rotating roller through a mounting assembly, the rotating roller is located in the base to rotate, and the outer wall of the rotating roller is wound with a disposable bed sheet; a drawing opening is formed in one side of the base and used for drawing out the disposable bed sheet, and hook-and-loop fasteners matched with each other are arranged at the two ends of the disposable bed sheet so that the multiple disposable bed sheets can be spliced. And the outer wall of the bottom sheet is fixedly connected with elastic bandages, and the transverse elastic bandages are used for binding the air bag rod. By means of the three-step operation of drawing, covering and fixing, rapid replacement is achieved, the replacement efficiency is improved by 97%, the infection risk is reduced compared with a common antibacterial bed sheet, in addition, due to inflatable setting, operation is easy, the bed sheet has the function of an anti-bedsore pad, and secondary damage cannot be generated.

The utility model discloses a pressure sore prevention tracheal catheter which comprises a tracheal catheter body, a fixator, a fixing piece and a pressure reduction protective sleeve, an air bag is arranged on the tracheal catheter body, an inflation tube is integrally connected to the middle of the bottom face of the tracheal catheter body and used for inflating the air bag, and the fixator is suitable for being supported between upper teeth and lower teeth of a patient. The fixing device is used for opening the mouth of a patient, a limiting groove is formed in the outer surface of the fixing device in the circumferential direction so as to limit upper teeth and lower teeth of the patient, a through hole is formed in the fixing device, the tracheal catheter is arranged in the through hole in a penetrating mode, and the fixing piece is arranged on the front side of the fixing device. The fixing device is used for fixing the tracheal catheter in the fixing device, and the pressure reduction protection sleeve is arranged on the outer surface of the tracheal catheter and the outer surface of the inflation tube in a sleeving mode and used for relieving pressure on the oral mucosa of a patient. The functionality of the catheter is guaranteed, the safety experience of a patient is emphasized, and discomfort and complications caused by intubation are reduced.