87 results about "Medical malpractice" patented technology

The invention belongs to the technical field of medical risk early warning, and discloses a medical risk dynamic early warning and intervention decision-making system based on a multi-mode Internet of Things and AI, which comprises a sensing layer, a network layer, a data processing layer, an AI analysis layer and an application layer, the sensing layer comprises a wearable device, an environment sensor, a medical device, a non-contact monitoring device and an implantation device; the network layer constructs a data transmission channel and is provided with an edge computing node; the data processing layer adopts a multi-modal data fusion engine, is responsible for data alignment, data cleaning and feature extraction, and constructs a knowledge graph; the AI analysis layer comprises a dynamic risk early warning model and an intervention decision engine; the application layer is provided with a three-level early warning board, an intelligent intervention terminal and a block chain evidence storage platform. According to the invention, the early warning window is advanced, and the recognition accuracy is improved; the system promotes a medical monitoring mode to be changed from post response to active defense, the medical accident rate is further reduced, and a technical foundation is provided for constructing a new generation of smart hospitals.

The invention discloses an infusion detection method, belongs to the technical field of medical monitoring, and particularly relates to an infusion detection method and system based on computer vision, and the infusion detection method comprises a data acquisition module, a data processing module and a data display module, transfusion target single-frame images and continuous single-frame images are collected at fixed time intervals through an industrial camera, and then material, capacity information, residual dose information and drip chamber speed information detection is conducted on the infusion target single-frame images and the continuous single-frame images; and finally, uploading the material, capacity information, residual medicine amount information and dripping bucket speed information of the infusion target to a medical care terminal, the image of the infusion bag / bottle can be captured through the camera, the liquid level position is automatically identified in combination with a target detection algorithm, and the residual medicine amount is accurately calculated through an image segmentation technology. Abnormal conditions can be fed back in real time, and medical accident risks are reduced.

The invention discloses an intelligent patient safety risk reminding method and system based on PACS and RIS, and the method comprises the steps: collecting the multi-source medical data of HIS, EMR, LIS and the like in real time through an HL7 and DICOM multi-protocol fusion technology, constructing a dynamic evaluation model covering the core risks of allergy, metal implants, infectious diseases and the like, and carrying out the native integration of a hierarchical reminding mechanism at PACS and RIS workstations. The system adopts a Bayesian network model to realize dynamic adjustment of risk levels, a differentiated reminding interface is embedded through a webpage style technology, and risk reminding of each level forcibly requires a doctor to confirm and process. And the closed-loop feedback module records the medical care operation and returns the medical care operation to a related system, and continuously optimizes the risk assessment model. The problems that an existing system is isolated in data, single in reminding function and incomplete in risk coverage are solved, the clinical risk management level is remarkably improved, and the medical accident rate is reduced.

The drainage device comprises a fixing disc, a drainage tube and a drainage bottle, the lower surface of the fixing disc is fixedly connected with a drainage bottle cap, the drainage bottle cap is provided with a quick connection assembly, the lower surface of the fixing disc is fixedly connected with a supporting column, the lower end of the supporting column is fixedly connected with a base, and the base is fixedly connected with the drainage tube. By designing the quick connection assembly on the bottle cap, the drainage tube can be quickly positioned and inserted into the drainage bottle, so that installation is convenient, the drainage bottle can be quickly replaced by the replacement assembly, the medical efficiency is improved, the drainage tube is kept stable in the drainage bottle replacement process, and the drainage tube is prevented from being damaged. The drainage tube does not swing greatly, so that the connecting part of the drainage tube and the patient does not shake, the risk that the pain of the wound of the patient is aggravated due to swinging of the drainage tube is further reduced, and the risk of medical accidents is reduced while the comfort of the patient is improved.

The invention discloses a distributed transaction consistency guarantee method and server for medical information integration, and relates to the technical field of platform integration, and the method comprises the steps: obtaining a business operation identifier; according to the business operation identifier, analyzing and determining a plurality of distributed medical service participants participating in the global transaction in a preset participant configuration file, and generating a global unique transaction ID; key service state parameters are extracted, and an instantaneous state vector is constructed; generating a transaction pre-check request containing a global unique transaction ID and an instantaneous state vector, and distributing the transaction pre-check request to all distributed medical service participants in parallel; summarizing all the pre-check responses, and under the condition that all the pre-check responses are successful responses, using the instantaneous state vector as a lock identifier, and obtaining exclusive locks in the distributed lock service; and issuing a final execution instruction to all distributed medical service participants to submit the local transaction. The risk of medical negligence threats caused by transaction rollback can be effectively reduced.

The utility model discloses an auxiliary counting system for surgical articles. The auxiliary counting system comprises a control terminal, and an image acquisition module, a voice acquisition module, a voice recognition module and an article recognition module which are in communication connection with the control terminal, the image acquisition module is used for acquiring an image of a whole use process of an operation article in an operation and sending image data to the control terminal; according to the technical scheme of the utility model, based on the combination of RFID instrument counting and voice recognition counting, nurses are assisted in counting and recording the surgical articles, so that the missing or redundant articles can be accurately detected. The occurrence probability of counting mistakes and omissions is effectively reduced, medical negligence is avoided, and the operation safety of a patient is guaranteed; secondly, information of all instruments can be instantly read through the RFID technology, a large amount of working time of medical workers is saved, and the medical workers have more energy to put into operation treatment work.

The breathing filter comprises a shell, a cover piece and a filtering assembly, the shell comprises a first connector, a first connecting part and a cavity wall which are sequentially connected, a step is formed in the connecting position of the first connecting part and the cavity wall, and a first protrusion extending towards the axis of the shell is arranged in the cavity wall; the cover piece comprises a second connector and a second connecting part which are connected, the end, deviating from the second connector, of the second connecting part is connected to the end, deviating from the first connecting part, of the cavity wall, so that a containing cavity is formed in the cavity wall and used for filling the adsorption module, and the first connector and the second connector communicate with the containing cavity; the filtering assembly comprises a first filtering piece located on the side, facing the step, of the adsorption module and a first supporting piece with the two sides abutting against the first protrusion and the first filtering piece respectively, the first supporting piece can make the first filtering piece abut against the step, it can be avoided that dust and particles of the adsorption module leak out to affect breathing of a patient, and medical accidents are avoided.

The invention discloses a patient safety management informatization method and system based on a medical quality control model, and relates to the technical field of modern medical treatment, and the method comprises the steps: obtaining patient condition data based on a hospital information system; the method comprises the following steps: collecting data of a patient, training the collected data based on a dual-machine learning algorithm in combination with a boosting method, establishing a high-precision risk prediction model, and based on calculation of the risk prediction model, outputting complication, complication risk and death risk prediction of the patient; summarizing model prediction results to form a comprehensive risk assessment report; and early warning information is pushed to medical personnel in real time to assist in early intervention. Through a double-machine learning algorithm and a boosting method, the risk prediction precision is improved, medical negligence is reduced, the system can generate personalized early warning reports in real time, assist doctors in intervention and reduce complications, complication and death risks, through comprehensive risk assessment and personalized suggestions, medical resource allocation is optimized, the treatment effect is improved, and the risk prediction efficiency is improved. And medical misdiagnosis is reduced.

The utility model relates to the technical field of medical instruments, and discloses an anti-falling infusion alarm which comprises an infusion bottle, a sealing plug arranged at a bottle opening of the infusion bottle, an infusion tube and an alarm device, the infusion tube is connected with the infusion tube through the sealing plug at the bottle opening, and the alarm device is arranged on the infusion tube. The alarm device is composed of an alarm, a control circuit and a sensor used for detecting the infusion state. According to the anti-falling infusion tube fixing device, the elastic pressing piece is pulled, so that the teeth and the tooth grooves are separated from the meshing state, then the smooth block is moved, the distance between the large fixing buckle and the small fixing buckle is adjusted, anti-falling stable connection is achieved, medical accidents caused by accidental falling of an infusion tube are effectively avoided, and due to the fact that the moving range of the smooth block is limited, the infusion tube fixing device is convenient to use. Therefore, unnecessary pain or discomfort caused by excessive pulling of the infusion tube can be avoided; meanwhile, due to the ingenious design of the anti-falling assembly, the safety of the whole device is guaranteed, and meanwhile the operation complexity of medical workers can be reduced.

Disclosed herein are apparatus, system, method, and computer-readable medium aspects for using surgical video analysis for improving compliance with medical guidelines and improving processing of medical bills, medical malpractice claims, and insurance claims. Aspects disclosed herein utilize intracorporeal video footage, image analysis, and notifications to optimize correspondences among medical procedure information, medical guidelines, and medical transaction information.

The present invention provides a medical stapler, comprising a stapler body, including a shell and a firing mechanism; an anvil assembly that can move along the axial direction of the stapler body; a safety mechanism that switches the firing mechanism between a non-firing state and a firing state, and the safety mechanism comprises: a safety assembly having a first position area that puts the firing mechanism in a non-firing state and a second position area that is in a firing state; a transmission member, during the process of the anvil assembly moving toward the proximal end, the anvil assembly acts on the transmission member, thereby driving the safety assembly to move from the first position area to the second position area; a transverse guide structure for guiding the transverse movement of the safety assembly along the stapler body; the doctor can be effectively prevented from firing staples and cutters when the anvil assembly is not fully closed, resulting in poor staple formation and even medical accidents; a transverse guide structure for guiding the transverse movement of the safety assembly is provided to enhance the stability of the movement of the safety assembly.

This invention relates to the field of medical device technology and discloses a delivery device. The delivery device includes a base, a sheath assembly disposed on the base, the sheath assembly including an adjustable bending sheath, the proximal end of which is fixed to the base, and the distal end of which has a bendable portion. A bending control assembly is disposed on the base to control the bending of the bendable portion. An audible alarm assembly includes a oscillating element and a reducing element. When the bendable portion approaches a preset angle, the oscillating element contacts the reducing element to emit an alarm sound. This allows the operator to accurately judge the degree of bending of the bendable portion, ensuring the normal operation of the delivery device, improving its safety, and preventing medical accidents. This invention also discloses a medical system.

The present invention relates to the technical field of medical instruments. Disclosed is an operating table with an adaptively adjustable tabletop. The operating table comprises a table board, wherein a body section pad is fixedly provided in the middle of the surface of the table board; and a head section pad and a foot section pad are rotationally provided at two ends of the body section pad, respectively. The operating table further comprises a base mechanism, which is arranged below the table board and is configured to support and adjust the height of the adjustable table board, the base mechanism comprising a chassis, uprights respectively fixedly mounted at the four corners of the chassis, a folding tubular structure arranged in the middle of the surface of the chassis, and a supporting and adjusting assembly. The solution design of the present invention effectively prevents a patient from feeling uncomfortable due to the instability of a tabletop, thereby effectively preventing possibly caused serious medical accidents.

The utility model provides an automatic release tourniquet, which comprises a tourniquet body, the tourniquet body comprises a tourniquet main body and an electromagnetic lock catch, and the electromagnetic lock catch is arranged at one end of the tourniquet body; the sensing assembly comprises a pressure ball and a pressure sensor, the pressure sensor is arranged in the pressure ball, and the pressure sensor is in signal connection with the electromagnetic lock catch. When the tourniquet needs to be used for infusion puncture of a patient, the tourniquet main body of the tourniquet body is tied on the arm of the patient, meanwhile, the electromagnetic lock catch is used for locking the tourniquet main body, binding of the arm of the patient is completed, and the blood vessel flow velocity of the patient is controlled. The operation procedures of medical staff are reduced, meanwhile, the tourniquet is loosened more timely and quickly, medical accidents caused by the fact that the medical staff forget to loosen the tourniquet are avoided, and the infusion puncture efficiency of the medical staff is improved.

The patient dress coat capable of distinguishing the left and right operative limbs comprises a first coat body, a second coat body and sleeves, the first coat body and the second coat body are spliced to form a T-shirt structure, one side of the first coat body and one side of the second coat body are connected in a sewing mode, and the other side of the first coat body and the other side of the second coat body are detachably connected through a connecting piece. The front opening type patient clothes are changed into the side opening type patient clothes, so that when a patient wears the patient clothes, the patient only needs to make the healthy side limbs of the patient penetrate through the sleeves, the patient clothes can be worn on the body of the patient without moving the affected side limbs of the patient, and the wearing difficulty of the patient clothes is greatly reduced; according to the embodiment, only the first armhole is provided with the sleeve, and the second armhole is not provided with the sleeve, so that the limb to be operated can be fully exposed without taking off the patient dress in the use process, the privacy of the patient is greatly protected, a doctor can conveniently distinguish the left limb to the right limb to be operated, the operation site is clear, and the operation efficiency is improved. Therefore, major medical negligence caused by confusion of left and right surgical limbs is avoided.

The invention relates to the technical field of medical instruments, and discloses an infusion apparatus capable of delivering various liquid medicines, comprising an infusion tube, one end of which is communicated with a needle; a first partition plate is fixedly connected into the automatic infusion box, a plurality of sub-liquid medicine cavities are formed in the top of the first partition plate, and a main liquid medicine cavity is formed in the bottom of the first partition plate and communicated with the end, away from the needle, of the infusion tube. The multiple electromagnetic liquid outlet mechanisms are arranged on the first partition plate, correspond to the multiple sub liquid medicine cavities in a one-to-one mode and are used for controlling the on-off state of the sub liquid medicine cavities and the main liquid medicine cavity; the plurality of liquid inlet pipes are arranged on the automatic infusion box, and the plurality of liquid inlet pipes are in one-to-one correspondence with the plurality of sub liquid medicine cavities and are communicated with the sub liquid medicine cavities; according to the automatic infusion device, various kinds of liquid medicine can be automatically conveyed according to the infusion sequence, the work of medical staff is relieved, and medical accidents caused by the fact that the liquid is not replaced in time can be avoided.

The utility model relates to the technical field of nasal oxygen tubes, and discloses a nasal high-flow nasal oxygen tube for patients, which comprises a circular ring, a connector is arranged on the back of the circular ring, a mounting groove is arranged on the back of the connector, clamping grooves are arranged on two sides of the inner wall of the mounting groove, and a connecting tube is arranged in an inner cavity of the mounting groove. The two ends of the connecting pipe slide in the matched clamping grooves through the arranged clamping blocks, so that the two ends of the connecting pipe enter the inner cavity of the connector and the inner cavity of the oxygen supply equipment correspondingly, and the connecting pipe is preliminarily connected with the connector and the oxygen supply equipment; the two vertical ends of the U-shaped positioning block can be inserted into the inner cavities of the two inserting grooves to tightly connect the clamping block with the clamping groove, so that the connecting pipe, the connector and the oxygen supply equipment can be doubly and effectively fixed, and the phenomenon that when the head of a patient shakes in the using process, the head of the patient is shaken is prevented; serious medical negligence caused by oxygen deficit of the patient due to the fact that separation nursing personnel cannot find timely occurs.

The invention discloses a power supply interconnection method and system for medical equipment, and relates to the technical field of power supply of the medical equipment, and the method comprises an optimization module which calculates the distance between adjacent beds and optimizes a power line structure based on the distance between the adjacent beds; a system control algorithm of the medical equipment is used for completing power supply optimization distribution on the monitored power line structure; and deploying a power supply interconnection path of the medical equipment based on the simulation scene to complete power supply interconnection of the medical equipment. According to the invention, the power supply efficiency and reliability of the medical equipment are improved, each equipment can obtain stable power support, abnormal fluctuation is automatically identified and handled, and power supply interruption or overload of the equipment is prevented, so that the operation stability of the equipment is improved, and the practical application effect of a power supply system is ensured; according to the system and the method, the medical accident risk caused by insufficient power supply or unreasonable layout is reduced, intelligent and systematic management of power supply of the medical equipment is realized, and the quality and efficiency of medical services are improved.

The utility model discloses a pulmonary nodule positioning anchor, and belongs to the technical field of biomedical instruments. The positioning anchor comprises a rod-shaped body and a spring body; the middle section of the rod-shaped body is of a concave structure, the two ends of the rod-shaped body are of convex structures, the middle section is sleeved with the spring body, the pulmonary nodule positioning anchor has high positioning precision, and medical negligence can be reduced in the using process.

This invention provides an intravenous drug infusion dosage conversion display panel, including a support, a rotating shaft, a dosage disc, and a shielding cover. A suction cup is provided on the rear side of the support. The rotating shaft is horizontally positioned at the center of the support. The dosage disc has multiple evenly distributed dosage zones, each with a table, and each table has a first dividing strip at the line position. The dosage disc is rotatably mounted on the rotating shaft. Multiple handheld posts are provided at the edge of the dosage disc, each handheld post located at the junction of two dosage zones. The shielding cover is fixedly mounted on the front end of the rotating shaft, and the front end of each handheld post is rotatably mounted inside the shielding cover. The lower half of the shielding cover has a viewing window corresponding to one dosage zone. The viewing window of the shielding cover is located at the bottom, facilitating viewing by medical personnel. Only one dosage zone is visible, preventing medical personnel from misreading the dosage when comparing a single intravenous drug, thereby reducing the possibility of medical accidents.

The present invention provides a medical stapler, comprising: a stapler body, a stapler magazine assembly, an anvil assembly, and a safety mechanism, wherein the safety mechanism comprises: a safety block, which can move between a first position area of ​​a locking firing mechanism and a second position area of ​​an unlocking firing mechanism; an unlocking member, which is arranged between the anvil assembly and the safety block, and when the anvil assembly moves in a proximal direction along the axial direction of the stapler body, the anvil assembly acts on the unlocking member, so that the unlocking member drives the safety block to move from the first position area to the second position area; an elastic member, which is arranged between a shell and the safety block, and the elastic member provides a biasing force for driving the safety block to move from the second position area to the first position area; the safety mechanism can effectively prevent a doctor from firing the staples and the cutter when the anvil assembly is not fully closed, resulting in poor staple forming and even medical accidents.

The application belongs to the technical field of medical apparatus and instruments, and discloses a handle-adjustable cyclopropene injector, which comprises a scale syringe, a piston handle is slidably connected to the inner wall of the scale syringe, a scale value is arranged on the handle body of the piston handle, and a handle metering adjusting part is arranged between the scale syringe and the piston handle; through cooperation of the cam plate, the cam groove and the torsional spring of the handle metering adjusting part, the piston handle is precisely positioned at multiple intervals, the arc-shaped abutment is used to limit the pushing of the scale syringe, so that the cyclopropene amount is prevented from being excessively or insufficiently pushed, the scale of the piston handle can be real-timely marked when the arc-shaped abutment is pulled up, the adjustment is efficient, the sleeve can be separated from the cam groove limit by only 90-degree torsion, the operation is flexible, the clamping limit structure clamps the knuckles of medical staff through the rubber bumps, the natural rubber material increases the friction, the hands are prevented from slipping when the piston is pushed, and the risk of medical accidents is reduced.

The utility model discloses a clinical propaganda and education prompting device, and particularly relates to an ornament which comprises a body divided into an inclined part and a vertical part according to the structure, and notches are formed in the inclined part and the vertical part; the joint of the inclined part and the vertical part is provided with barrel bodies which are symmetrically arranged about the center of the notch; the mounting rod is inserted between the two barrels, and a loose-leaf clinical propaganda and education book located in the notch is arranged on the mounting rod. According to the utility model, the detachable loose-leaf clinical propaganda and education book is additionally arranged, so that the aim of reminding accompanying family members is fulfilled, and medical accidents caused by forgetting of the family members are avoided.

The present invention discloses an infusion device capable of automatic switching, interception, and summoning, and a method for using the device. The device comprises first and second infusion bottles / bags, a wireless summoner, a base plate, first and second infusion branches, and an infusion main pipe. The wireless summoner comprises a wireless signal transmitting and receiving module, a summoning bell, and a summoning light. The base plate is respectively equipped with first and second liquid detection elements, first and second interception assemblies, a power supply, and first and second relays. The first and second liquid detection elements are respectively used to detect whether a liquid medicine flows through the infusion main pipe and the first infusion branch pipe. The first and second relays are respectively used to connect the first and second interception assemblies to the power supply. The first and second interception assemblies are respectively used to block the infusion main pipe and the second infusion branch pipe. The present invention realizes the functions of online automatic switching of infusion, automatic interception, and summoning, improves infusion efficiency, and can also prevent blood from flowing back through the infusion pipe, thereby reducing the occurrence of medical accidents and avoiding medical disputes.

The utility model discloses a medicine allergy prompting disc, which relates to the technical field of medical instruments and comprises a shell, a display disc is arranged in the shell, an observation port is arranged on the shell, a limiting ring is arranged in the shell, the limiting ring is rotatably connected with a rotating shaft, and the rotating shaft is fixedly connected with the central position of the display disc. Through the arrangement of the display panel and the observation opening, eight groups of allergic drug areas are arranged on the display panel in an array mode, different types of allergic drugs are recorded in each group of areas, and when a treatment post nurse is reminded of allergic conditions of a patient and the allergic drugs are prompted through the drug allergy prompting panel, the rotating shaft rotates in the limiting ring, so that the allergic drugs are prompted to the patient through the drug allergy prompting panel; after an area for recording allergic drugs of a patient is rotated to an observation opening, a treatment post nurse can be reminded of the drug allergy type of the patient, medical negligence caused by wrong use of drugs is avoided, safety is improved, and practicability of the drug allergy prompting disc is improved.

The utility model discloses a buckle device for fixing an extracorporeal circulation pipeline in a cardiac surgery, which comprises a buckle main body, the buckle main body comprises a bearing plate, one side of the bearing plate is provided with an extending plate, and the other side of the bearing plate is provided with a fixing adhesive tape; a plurality of clamping grooves are formed in the side, away from the bearing plate, of the extending plate, the side, away from the bearing plate, of each clamping groove is provided with an opening, and a guiding part is arranged at the opening of each clamping groove; a mounting groove is formed in the lower portion of the clamping groove, and a locking elastic piece is arranged on the mounting groove and used for limiting one-way twitching of the extracorporeal circulation pipeline. The guide part at the opening of the clamping groove can help medical staff to quickly and accurately embed the pipeline into the clamping groove, so that the installation time is shortened, and the operation efficiency is improved; the locking elastic piece on the mounting groove can limit one-way twitching of the pipeline, which is particularly important in extracorporeal circulation surgery, and the situation that the pipeline twitches in the direction away from an operating table due to accidental factors, and unnecessary medical accidents are caused can be prevented.

The utility model discloses a kind of infusion stands, comprising: connecting rod, base;Base includes horizontally arranged first support rod, second support rod and third support rod, first support rod is connected with second support rod and forms included angle, two ends of third support rod are connected in the middle section of first support rod and second support rod respectively, connecting rod is vertically arranged and is connected in the middle section of third support rod.This infusion stand adopts the design of unique triangle base, forms stable support system, connecting rod is connected in the middle section of third support rod, so that barycenter distribution is reasonable, improve the stability of infusion stand, reduce the risk of medical accident caused by dumping, guarantee patient safety, satisfy clinical use demand, with good practicality.

Apparatus, system, method, and computer-readable medium aspects for using surgical video analysis for improving compliance with medical guidelines and improving processing of medical bills, medical malpractice claims, and insurance claims are described. The aspects utilize intracorporeal video footage, image analysis, and notifications to optimize correspondences among medical procedure information, medical guidelines, and medical transaction information.

The invention belongs to the technical field of medical equipment, and discloses an automatic suction syringe which comprises a shell and a syringe body and further comprises a pulling mechanism arranged in the shell; the pulling mechanism comprises a square shell fixedly connected to the interior of the shell, and a first threaded rod is slidably connected to the interior of the square shell. A motor is controlled to start, the motor drives a second gear and a first gear to rotate, a first threaded rod retracts into a square shell, the first threaded rod pulls a mounting shell, a micro vacuum pump and a suction cup to move, the suction cup pulls a piston rod to move, negative pressure is generated, and liquid medicine is sucked into an injector body from a medicine bottle through a needle head; finally, a first threaded rod pulls a piston rod to move through a driving motor, liquid medicine is sucked, the suction amount of the liquid medicine is monitored and controlled in real time through an inductor, and then the work intensity of medical workers is reduced; the accuracy of the suction dose is improved, and the risk of medical accidents is reduced.

The utility model relates to the technical field of medical instruments, and provides a device for supporting and fixing a trachea cannula, which comprises a headgear main body, the headgear main body comprises a plurality of fixing bands, the fixing bands are respectively wound on the head and the neck of a patient, and the fixing bands are provided with elastic lock catches; the intubation tube supporting part is in a mask shape, the two sides of the intubation tube supporting part are fixed to the head sleeve body respectively and can be detached, a head opening is formed between the intubation tube supporting part and the head sleeve body, and the intubation tube supporting part is provided with a supporting groove; the intubation tube fixing part comprises a first fixing block, the first fixing block and the intubation tube supporting part are fixed and can be detached, the first fixing block is provided with a fixing groove, and the fixing groove and the supporting groove jointly form an intubation tube fixing hole. The head sleeve main body can be adjusted through the elastic lock catch, so that the head sleeve can be suitable for different patient head types and is well fixed, skin ulcers or medical instrument related pressure injuries are avoided, a trachea cannula can be more stable, and medical negligence caused by displacement is avoided.