35 results about "Head and neck surgery" patented technology

Embodiments of the present invention encompass systems and methods for administering intrathoracic pressure and cooling treatments to patients suffering from or at risk of developing heart failure, cardiac arrest, sepsis, shock, acute respiratory distress syndrome, polytrauma, head disease, elevated hepatic or portal vein pressures, bleeding during abdominal, head and neck surgery, or insufficient circulation during open heart surgery.

The invention discloses a head-neck surgery flap color quantification method based on an RGB (red green blue) mode. The method comprises: acquiring an image of a target flap, measuring RGB value of the target flap, and quantitatively and qualitatively analyzing the color of the target flap. An image of a flap is acquired; the color of the flap is quantified via image processing software; by performing RGB measurement on the target flap and statistical indication, it is acquired that sums of the different colors, R, G and B, of the flap are of significant differences, and precise color localization of the target flap is achieved; the color of the flap is quantified via the RGB method, the flap can be observed more elaborately and systematically, and basis can also be laid for guidance on further clinical work.

The invention belongs to the technical field of medical apparatus and especially relates to a multi-function protective mask for otolaryngology head and neck surgery. Technical solutions comprise an annular forehead sleeve, two telescopic rods, a rotating shaft, a universal joint and a mask; one end of each of the telescopic rods is symmetrically fixed on both sides of the annular forehead by a rotation axis; the universal joint is fixed to the front of the annular forehead sleeve through the base of the universal joint; a headlight is arranged at the top of the rotating joint of the universaljoint; The upper ends of the two sides of the mask are movably connected to the other end of the telescopic rod by a buckle; a pair of special eye areas are provided on the upper portion of the mask,and the special eye areas are seamlessly connected with the surrounding part of the mask; a pair of magnifying glass is arranged in front of the special eye areas, and the magnifying glass is movablyconnected to the edge of the mask; the middle of the upper end of the mask is arc shaped, and the size of the arc can meet the flipping of the mask up and down and the front and rear stretching headlights. The invention has the advantages of reasonable design, convenient use and high work efficiency.

The invention provides an auxiliary device for adjusting head positions in head and neck surgery. The auxiliary device comprises a base. A groove is formed in one end of the base. A neck support is arranged in the groove. A rotating shaft penetrates through the center of the neck support. A head rack is arranged at the outer side of the neck support. A connecting block is arranged at the bottom of the head rack. A connecting shaft is arranged on the connecting block. One end of the connecting shaft is connected with the connecting block, and the other end of the connecting shaft is connected with the neck support. The auxiliary device is further provided with a control system. The control system comprises positive and negative pole change-over switches, a speed adjusting button, a first motor, a second motor, a speed adjusting chip and a transformation speed changer. An output shaft of the first motor is connected with the connecting shaft. An output shaft of the second motor is connected with the rotating shaft. The positive and negative pole change-over switches comprise a first positive and negative pole change-over switch and a second positive and negative pole change-over switch. The first motor is connected with the speed adjusting chip through the first positive and negative pole change-over switch. The second motor is connected with the speed adjusting chip through the second positive and negative pole change-over switch. The speed adjusting button and the transformation speed changer are connected with the speed adjusting chip. A power line is led out of the transformation speed changer. By means of the auxiliary device, the upper, lower, left and right positions of the head of a patient can be adjusted.

A flexible disposable medical suction unit head is characterized in that the back part of a cavity connecting base is circular, the front part is elliptical; a transparent plastic hose is arranged on the front end of the front part; a spiral steel wire is added in the hose cavity of the plastic hose, and the front side wall of the connecting base is provided with a pressure relief hole. The flexible disposable medical suction unit head solves the problems that when the otolaryngology-head and neck surgery or the surgeries and treatments of other places with curved orifices are performed in clinic, the metal suction unit heads with different curvatures are changed repeatedly, the suction unit heads are difficult to clean and easy to pollute, the surgery time is delayed, etc. The suction unit head of the invention is suitable for the otolaryngology-head and neck surgery and the surgeries and treatments of other places with curved orifices.

The invention belongs to the field of medical apparatus and instruments, and specifically relates to an auxiliary support device for throat, head and neck surgery. The device includes a pair of expansion plates, and a transmission room is slidably connected between the expansion plates; the transmission room includes a bottom plate slidably connected to the expansion plates, vertical plates are connected to both ends of the bottom plate, a top plate is connected to one end of the vertical plates away from the bottom plate, and the top plate is fixedly connected to telescopic ends of the expansion plates; a movable hole is disposed in a middle portion of the top plate, a head supporting plate is hinged to one end of the movable hole near the expansion plates, a neck supporting plate is hinged to the head supporting plate, a sliding plate is hinged to one end of the neck supporting plate away from the head supporting plate, and the sliding plate is slidingly connected with the top plate;an adjustment cavity is disposed in the middle of the bottom plate, and a pillow is slidably connected in the adjustment cavity; a transmission device is disposed on the bottom plate, and the transmission device comprises a neck lifting structure and a head transmission structure that synchronously move; The device effectively solves the problem that a treatment effect is not good due to a poor fixation effect in a treatment process.

The invention discloses an auxiliary device for shoulder and neck function rehabilitation after head and neck surgery. The auxiliary device comprises a seat with a backrest; a supporting rod perpendicular to the seat is arranged at a position, located at the rear side of the backrest, on the top part of the seat; the top part of the supporting rod is rotationally connected with a rotating rod through a bearing; the rear side of the backrest is provided with a first adjusting mechanism capable of driving the rotating rod to rotate relative to the supporting rod; the top part of the rotating rodis hinged with a swing rod through a rotating shaft; the rear side of the backrest is provided with a second adjusting mechanism capable of driving the swing rod to swing relative to the rotating rod; and the swing rod is provided with a neck brace. The auxiliary device can assist a patient in completing all training actions in rehabilitation exercise at the standard exercise speed, exercise angle and duration, so that the rehabilitation exercise effect is improved, rehabilitation of the patient can be effectively promoted, and the life quality of the patient is improved.

A wound opener is provided. An operative field can be created through head / neck soft tissues for introducing the endoscopes and robotic surgical tools. An incision size can be properly adjusted. Thus, endoscopes, robotic arms or other devices can be smoothly introduced into the operative field to evaluate and treat lesions of head and neck soft tissues. Hence, the present invention facilitates surgical procedure, reduces wound size and effectively conceals wound to make it become invisible.

The invention provides a technical method of negative-pressure wound treatment method used for prevention and treatment of scarring hyperplasia at the surgical suture. Implicit factors of scar hyperplasia are mechanical stress, infection, inflammatory reaction and foreign body reaction of wounds. Among the implicit factors, wound tension plays a key function in the scar formation. Frequently-used scar prevention and treatment methods such as Silicone gel, pressure therapy, hormone injections and the like are poor in curative effect or has side effects. The negative-pressure wound treatment method is a novel prevention and treatment for wounds and scars at the surgical suture. Based on the structure and working principle of the negative-pressure wound treatment, the scarring hyperplasia can be effectively inhibited through closing, fixing and pressing the sutured wounds and playing continuous negative-pressure action on the wounds; at the same time, the main factors leading to the scar formation are intervened. The intervention process comprises the following steps: the tension of the wound tissue is remarkably alleviated; the wounds are closed; the wound healing is accelerated and the tissue inflammation is reduced, so that the scarring hyperplasia is effectively restrained. The negative-pressure wound treatment method is used for scar prevention and treatment of various surgical operation suture wounds, such as plastic surgery, beauty surgery, burn surgery, cardiothoracic surgery, head and neck surgery, maternity surgery and the like.

The invention discloses a neck supporting device for ear-nose-throat head-neck surgery, and belongs to the field of medical instrument. The neck supporting device comprises a main body base, a limiting boss is fixedly arranged at the top of one side of the main body base, a neck containing groove is formed in the middle of the main body base and the middle of the limiting boss, first protective pads are movably arranged on the inner walls of the two sides of the neck containing groove, and a head containing table is movably arranged on the side, away from the limiting boss, of the main body base. The neck supporting device is provided with the main body base and a water conduit; ice water / hot water is supplemented into a water gathering cavity through a water supplementing window accordingto treatment requirements; then, the first protective pads and the inner wall of the neck containing groove as well as second protective pads and a neck placing boss are bonded and fixed through hookand loop fasteners; when the neck supporting device is used, a patient lies flat on a sickbed and lifts up the head, then a medical worker pushes the main body base to the neck of the patient and places the neck in the neck containing groove, working water of a micro water pump flows in a water conduit in the neck containing groove, the ice compress or hot compress effect on the affected part ofthe patient is achieved on the premise of supporting the neck, and therefore the using effect of the neck supporting device is improved.

The invention discloses a rapid body position adjustment and cervical vertebra protection device for head and neck surgery. The device comprises a bottom plate and a supporting plate, the supporting plate and the bottom plate form a triangle, a pair of first sliding rails is arranged at the bottom of the supporting plate in the length direction, the cross section of each first sliding rail is in aC shape, the opening ends of the two first sliding rails are opposite, guide wheels are arranged in the two first sliding rails respectively, a rotating shaft is arranged between the two guide wheelsin a connection mode, a hydraulic rod is arranged at the top of the bottom plate, and the piston end of the hydraulic rod is hinged to the rotating shaft; and the top of the supporting plate is provided with a bedding layer corresponding to the shoulders and the back of a patient, and a neck supporting air bag for supporting the neck of the patient is further arranged at the top of the supportingplate. The device can safely and quickly adjust the body position of the patient at any time according to the requirements of an operator during an operation, so that an operation area is exposed more sufficiently, the operation difficulty is reduced, the operation process is accelerated, the preoperative body position adjustment of head and neck operation patients is quicker and more efficient,and the working intensity of medical personnel is reduced.

A wound opener is provided. An operative field can be created through head / neck soft tissues for introducing the endoscopes and robotic surgical tools. An incision size can be properly adjusted. Thus, endoscopes, robotic arms or other devices can be smoothly introduced into the operative field to evaluate and treat lesions of head and neck soft tissues. Hence, the present invention facilitates surgical procedure, reduces wound size and effectively conceals wound to make it become invisible.

The invention belongs to the technical field of medical devices, in particular to a temporal bone and head dissection training table special used in the department of otolaryngology head and neck surgery. The problem that a temporal bone and head dissection training table special used in the department of otolaryngology head and neck surgery is simple in structure and single in function is solved. The temporal bone and head dissection training table special used in the department of otolaryngology head and neck surgery comprises multiple dissecting tables, a negative-pressure ventilation channel and a fan, wherein the multiple dissecting tables are installed on two sides of the negative-pressure ventilation channel in the form of bilaterally symmetric structures, each dissecting table consists of a cadaver head dissecting pool, a storage cabinet and a detachable instrument table, the storage cabinet is arranged below one side of the cadaver head dissecting pool, the detachable instrument table is arranged on the cadaver head dissecting pool and located on one side of the storage cabinet and extends to the outside of the cadaver head dissecting pool, multiple multifunctional sockets are formed in a back baffle below each cadaver head dissecting pool, a desk type microscope placement table is arranged on one side of the storage cabinet of each cadaver head dissecting pool, and a flushing device is movably arranged on the front-side cadaver head dissecting table of the cadaver head dissecting pool.

The invention discloses a multifunctional aspirator head for ear-nose-throat head and neck surgery, which comprises an aspirator head body, a fixing plate, a cutting plate, a cleaning block, a rotating disc, a vibrating disc and an aspirator body, an aspirator joint is arranged at the top end of the aspirator head body, and a connector is arranged at the lower end of the aspirator head body. Through an arranged driving gear, the driving gear can be driven to rotate through a micro motor, on one hand, a first rotating rod on the surface of the driving gear can rotate, on the other hand, clamping teeth on the surface of the driving gear can be meshed with clamping teeth on the surface of a driven gear, so that the driven gear can rotate, through cooperation of a first rotating rod and a second rotating rod, a piston rod at the other end of the second rotating rod can drive a cleaning block to move up and down in the aspirator body in a reciprocating mode, a protruding scraping piece is arranged on the surface of the outer side of the cleaning block, and the cleaning block drives the protruding scraping piece to move in the aspirator head body. and dirt blocked in the aspirator head body can be discharged to the outside.

The invention provides an ear-nose-throat head-neck surgery nursing auxiliary device and a method thereof.The device comprises an auxiliary device structure assembly, a concentration adjusting assembly, a connecting assembly, a stirring assembly, a cleaning assembly, a fixing assembly and a control device.Before cleaning, the position of a shell is fixed through the fixing assembly, and after a proper concentration is selected through a touch display screen, the stirring assembly is connected with the control device; the concentration adjusting assembly outputs quantitative sodium chloride to the stirring assembly through the connecting assembly according to the selected concentration to be mixed with quantitative distilled water to obtain a solution with the preset concentration, meanwhile, after the solution is heated and sterilized, the cleaning assembly inputs the solution into the nasal cavity for cleaning, and the knob switch adjusts the cleaning flow. The problems that according to an existing cleaning device, normal saline cannot be heated, the normal saline enters the nasal cavity to stimulate the interior of the nasal cavity to cause discomfort, meanwhile, the concentration of the normal saline cannot be adjusted, the use requirement cannot be met, manual pressing is needed in the flushing process, and operation is inconvenient are solved.

The invention relates to the technical field of medical equipment, and in particular to a nasal drug delivery device for otolaryngology head and neck surgery. The device comprises an air filter component and a powder drug delivery component, the air filter component comprises an active carbon filter screen and an antibacterial filter screen, the active carbon filter screen and the antibacterial filter screen are embedded in an air inlet pipe, the air inlet pipe is in screwed connection with a connecting pipe, the powder drug delivery component comprises a nozzle, the nozzle is in screwed connection with a contraction pipe, the contraction pipe is in screwed connection with the air inlet pipe, a sealing element is arranged between the contraction pipe and the air inlet pipe, the nozzle is provided with a powder inlet pipe, a piston is arranged in the powder inlet pipe, the nozzle is communicated with a throat pipe, the throat pipe is connected with an expansion pipe, and the outlet endof the expansion pipe is provided with a first eccentric hole. According to the present invention, an eccentric design is adopted, so that dry powder sprayed from a second eccentric hole can face theoutside of nasal cavity, the dry powder and airflow can be prevented from hitting the nasal septum, the spray can also be prevented from directly impacting the nasopharynx part to cause irritation, and the best absorption effect of the dry powder can be achieved.

The embodiment of the invention discloses a radio frequency scalpel for surgery. The scalpel comprises a tool assembly, a handle assembly, a water injection assembly, a biopsy assembly and an illumination assembly. The handle assembly comprises a body and a handle; the tool assembly is arranged at the front end of the body of the handle assembly, the water injection assembly is arranged at the upper end of the body of the handle assembly, the biopsy assembly is arranged at the rear end of the body of the handle assembly, and the illumination assembly is arranged at the front end of the handleof the handle assembly. The scalpel can be applied to a general surgery department, a thoracic surgery department, a hepatological surgery department, a neurosurgery department, a head and neck surgery department, a bone surgery department, an ear-nose-throat surgery department, a urinary surgery department, an anorectal surgery department, a breast surgery department, a pediatric surgery department, an abdomen surgery department, a pancreas surgery department, a digestion surgery department, a vascular surgery department, an endocrine surgery department, a plastic surgery department, an oncology department, a beautifying department, a burns department, a clinical lab, a pediatric department, a gynecology department and other departments. Tissue suction, biopsy sampling, illumination, normal saline injection, low-frequency direct current storage and other functions in surgery can be achieved.

The invention relates to the technical field of medical instruments, and discloses a multifunctional neck supporting device for ear-nose-throat head and neck surgery, which comprises two connecting boxes. An upper bracket and a lower bracket are movably arranged between the two connecting boxes, the two ends of the upper bracket are fixedly connected with first rotating discs, and the two first rotating discs are rotationally arranged on the inner walls of the two connecting boxes through damping rotating shafts correspondingly. The upper bracket supports the jaw, and the lower bracket abuts against the chest, so that the head and the neck of a patient can be supported, the patient can be examined or treated in a normal body position, and meanwhile, the head and the neck can be conveniently corrected; a gap is reserved between the upper bracket and the lower bracket, the throat cannot be blocked, a doctor can conveniently examine or treat the throat through the gap between the upper bracket and the lower bracket, meanwhile, the overall structure is lighter, air circulation is facilitated, and sweating cannot occur.

The invention provides a controllable anti-movement device for head and neck surgery. A controllable anti-movement device for head and neck surgery, comprising: a mounting seat; a mounting groove, the mounting groove is opened on the mounting seat; a push rod motor, the push rod motor is fixedly installed at the bottom of the mounting groove On the inner wall; two guide struts, the two guide struts are fixedly installed on the top of the mounting seat; the top plate, the top plate is fixedly installed on the top of the two guide struts; the lifting support plate, the The lifting support plate is slidably installed on the two guide struts, and the output shaft of the push rod motor is fixedly connected with the bottom of the lifting support plate; the fixing mechanism is arranged on the lifting support plate . The controllable anti-movement device for head and neck surgery provided by the invention has the advantages of convenient use, simple operation and reliable fixation.

The invention relates to the technical field of rescue equipment, in particular to an ear-nose-throat head and neck surgery emergency rescue actual combat practical equipment box which comprises a right-angle outer plate, the interior of the right-angle outer plate is in a groove shape, a brain support and a neck support are arranged in the right-angle outer plate, a through opening is formed in the middle of the brain support, a hook-and-loop fastener is installed on the brain support, and the neck support is provided with a hook-and-loop fastener. Arched movable plates are arranged on the left side and the right side of the right-angle outer plate in a sliding manner, and a plurality of drawers are arranged in the arched movable plates; according to the equipment, medical staff can conveniently rescue and treat key parts such as ears, noses, throats, heads and necks of wounded persons in time, the convenience of rescue work is effectively improved, the practicability of the equipment is improved, casualties caused by untimely rescue of the wounded persons are avoided, and the life safety of the wounded persons is effectively guaranteed.

The invention discloses a pillow for nasal drug delivery in ear-nose-throat head and neck surgery, belongs to the technical field of rehabilitation treatment equipment, and solves the problems that in the prior art, the head of a patient cannot be supported during nasal administration, and secondary injury is possibly caused to the patient. The pillow comprises a headrest and a shoulder air bag, the shoulder air bag is connected with one side of the headrest, the headrest comprises a first headrest body, a second headrest body, a pillow face and a bottom plate, the first headrest body is fixedly connected with the bottom plate, and the second headrest body is slidably connected with the bottom plate. The pillow face is connected with the upper surface of the first headrest body and the upper surface of the second headrest body, the shoulder air bag is connected with an inflation device, and the first headrest body is connected with a driving device. The head of a patient can be bent backwards under the condition that the patient is not moved, and secondary injury to the patient when the patient is moved is prevented. When nasal drug delivery n is not needed, the pillow can be used as a common pillow.

The invention discloses an auxiliary supporting device based on throat head and neck surgery. The auxiliary supporting device comprises a base and an auxiliary supporting structure, the auxiliary supporting structure comprises a buffering structure, a head containing plate, a side edge height adjusting structure and a top lighting structure, and the buffering structure comprises a buffering sliding rod, an internal spring, a buffering groove and a buffering sliding plate; the side edge height adjusting structure comprises a rotating motor, a supporting plate, a fixing sleeve, a screw rod and a connecting rod, the fixing sleeve is fixed to the side edge of the base; a buffering structure is arranged on the bed body, a patient can be buffered when moving to the bed body, and the comfort degree of the patient is increased; a height adjusting structure for a top lighting rod is arranged on the device, so that the height of the lighting lamp is adjustable, and the lighting effect can be adjusted; and universal wheels and bottom supporting rods are arranged on the device, so that the whole device is convenient to move and fix.

The invention belongs to the field of medical apparatus and instruments, and specifically relates to an auxiliary support device for throat, head and neck surgery. The device includes a pair of expansion plates, and a transmission room is slidably connected between the expansion plates; the transmission room includes a bottom plate slidably connected to the expansion plates, vertical plates are connected to both ends of the bottom plate, a top plate is connected to one end of the vertical plates away from the bottom plate, and the top plate is fixedly connected to telescopic ends of the expansion plates; a movable hole is disposed in a middle portion of the top plate, a head supporting plate is hinged to one end of the movable hole near the expansion plates, a neck supporting plate is hinged to the head supporting plate, a sliding plate is hinged to one end of the neck supporting plate away from the head supporting plate, and the sliding plate is slidingly connected with the top plate;an adjustment cavity is disposed in the middle of the bottom plate, and a pillow is slidably connected in the adjustment cavity; a transmission device is disposed on the bottom plate, and the transmission device comprises a neck lifting structure and a head transmission structure that synchronously move; The device effectively solves the problem that a treatment effect is not good due to a poor fixation effect in a treatment process.

The invention provides a medical instrument for head and neck surgery bonesetting. The medical instrument comprises a chair seat, groove modules are symmetrically arranged on one side of the upper surface of the chair seat, a stretching device is arranged in each groove module, each stretching device comprises a round hole connecting module, an outer rectangular module is arranged on one side of each round hole connecting module, an inner rectangular module is arranged in each outer rectangular module, a limiting module is arranged on the upper surface of each inner rectangular module, a backup plate is arranged on one side of each limiting module, semi-arc-shaped fixing pieces are symmetrically arranged on one side of the outer wall of each backup plate, and each semi-arc-shaped fixing piece is connected with a neck correcting module through a stretching bandage. Through the stretching devices, stretching and correcting of a neck position are achieved, the medical efficiency is improved, the medical period is shortened, and more reliable treatment is brought to a patient.

Provided is a device of automatic mechanical wound opener for head and neck surgery. The device includes a wound opener including: a fixed unit and a plurality of drawing units, and at least one of the drawing units being movably connected on the fixed unit, wherein each of the drawing units includes a first arm, a second arm, and a blade connected to the second arm; wherein the first arm is connected to the fixed unit by one end thereof and to the second arm by the other end thereof; the second arm can be adjusted to an needed included angle relative to the first arm; and at least one of the blades includes an extension plate connected to an end of a plate part of the blade, and the extension plate is connected to the second arm for shortening the spacing between two blades.

The invention provides an auxiliary supporting device for throat head and neck surgery. The device comprises an auxiliary supporting device body, a sliding device, a limiting device and a positioningdevice, wherein the sliding device is arranged on the auxiliary supporting device body and comprises a right protection pad, a sliding groove is formed in the right protection pad, a supporting rod isconnected to the interior of the sliding groove in a sliding mode, one end of the supporting rod is fixedly connected with a headrest, the headrest is fixedly connected with a sliding rod, and one end of the sliding rod is rotationally connected with a rotating wheel; and the limiting device is arranged on the right protection pad. According to the auxiliary supporting device for the throat headand neck surgery, a limiting rod can be driven to move upwards through upward movement of a pushing plate, one end of the limiting rod is not clamped with a first limiting groove any more through upward movement of the limiting rod, and the headrest can be adjusted according to the specific height of a patient, so that the patient can lie on the headrest more comfortably to see a doctor.

The invention discloses a multifunctional protective mask used for otorhinolaryngology head and neck surgery. The multifunctional protective mask comprises a multifunctional protective mask body; theouter side of the multifunctional protective mask body is movably connected with a protective screen; side frames are symmetrically and fixedly connected with two ends of the protective screen respectively; inner sides of the side frames are rotatably connected with a right glasses leg and a left glasses leg respectively; rotary adjusting buttons are arranged at the joint of the right glasses legand the side frame and the joint of the left glasses leg and the side frame respectively; a gear is arranged in each rotary adjusting button; the outer side of the right glasses leg and the outer sideof the left glasses leg are each fixedly connected with an elastic band; one end of each elastic band is fixedly connected with a connecting buckle; the front end of the right glasses leg and the front end of the left glasses leg are fixedly connected with a left side frame and a right side frame respectively; the inner side of the left side frame is fixedly connected with a left glasses frame; and the interior of the right side frame is fixedly connected with a right glasses frame. The multifunctional protective mask has a simple structure and a novel design, and secretions of the nasal cavity, oral cavity and trachea of a patient can be prevented in the diagnosis and treatment process by installing the transparent protective mask.

The invention discloses a multifunctional protective mask for otolaryngology head and neck surgery, which comprises a multifunctional protective mask body, the outer side of the multifunctional protective mask body is movably connected with a protective screen, and the two ends of the protective screen are symmetrically fixedly connected with frames. The inner side of the frame is connected with the right mirror leg and the left mirror leg, and the connection between the right mirror leg and the left mirror leg and the frame is respectively provided with a rotation adjustment button, and the inside of the rotation adjustment button is provided with a gear, and the right mirror leg and the left mirror leg The outer sides are fixedly connected with an elastic band, one end of the elastic band is fixedly connected with a connecting buckle, the front ends of the right temple and the left mirror leg are respectively fixedly connected with a left frame and a right frame, and the inner side of the left frame is fixedly connected with a left mirror frame, and the inside of the right frame is fixed Connected with the right mirror frame, the device has a simple structure and a novel design, and can prevent secretions from the patient's nasal cavity, oral cavity and trachea during the diagnosis and treatment process through the setting of a transparent protective mask.

The invention belongs to the technical field of medical devices, in particular to a temporal bone and head dissection training table special used in the department of otolaryngology head and neck surgery. The problem that a temporal bone and head dissection training table special used in the department of otolaryngology head and neck surgery is simple in structure and single in function is solved. The temporal bone and head dissection training table special used in the department of otolaryngology head and neck surgery comprises multiple dissecting tables, a negative-pressure ventilation channel and a fan, wherein the multiple dissecting tables are installed on two sides of the negative-pressure ventilation channel in the form of bilaterally symmetric structures, each dissecting table consists of a cadaver head dissecting pool, a storage cabinet and a detachable instrument table, the storage cabinet is arranged below one side of the cadaver head dissecting pool, the detachable instrument table is arranged on the cadaver head dissecting pool and located on one side of the storage cabinet and extends to the outside of the cadaver head dissecting pool, multiple multifunctional sockets are formed in a back baffle below each cadaver head dissecting pool, a desk type microscope placement table is arranged on one side of the storage cabinet of each cadaver head dissecting pool, and a flushing device is movably arranged on the front-side cadaver head dissecting table of the cadaver head dissecting pool.

Provided is a device of automatic mechanical wound opener for head and neck surgery. The device includes a wound opener including: a fixed unit and a plurality of drawing units, and at least one of the drawing units being movably connected on the fixed unit, wherein each of the drawing units includes a first arm, a second arm, and a blade connected to the second arm; wherein the first arm is connected to the fixed unit by one end thereof and to the second arm by the other end thereof; the second arm can be adjusted to an needed included angle relative to the first arm; and at least one of the blades includes an extension plate connected to an end of a plate part of the blade, and the extension plate is connected to the second arm for shortening the spacing between two blades.