41 results about "Head and neck surgery" patented technology

The present invention provides a carotid artery pressurized hemostasis device for head and neck surgery, which belongs to the field of medical device technology. The device includes an adjustment mechanism, an arc-shaped rail is fixedly installed on the top of the adjustment mechanism, and a hemostasis device is movably installed on the inner side of the arc-shaped rail; the hemostasis device includes an arc-shaped block and a mounting hole. The hemostasis device of the present invention has significant advantages. During use, medical staff can conveniently adjust the angle and position of the hemostasis device according to the patient's wound condition. By rotating the second handle, the screw rod drives the slide, so that the hemostasis mechanism moves down smoothly to contact the wound. When pressure is applied, the buffer spring plays a role, effectively avoiding excessive pressure on the patient's neck, ensuring safe and comfortable operation. At the same time, the bottom plate moves up to squeeze the elastic water bag, and the water flows into the elastic hemostasis bag. As the slide moves further down, the elastic hemostasis bag expands and cooperates with the hemostasis plate, greatly improving the efficiency and accuracy of hemostasis, and providing strong protection for the treatment of patients.

The invention discloses an AI-assisted head and neck surgery robot system based on multiple deep learning algorithms, which is applied to head and neck surgery and comprises a data acquisition and preprocessing module, an anatomical structure recognition module and a real-time reasoning and feedback module, wherein the anatomical structure identification module is used for performing multi-model processing on an original image to generate a structure model, and marking a target structure on the structure model; the data acquisition and preprocessing module is used for preprocessing data of each input stage and acquiring original data and real-time data of a user in an operation process; the real-time reasoning and feedback module is used for associating the anatomical structure recognition module with the data acquisition and preprocessing module so as to feed back information of a target structure to a user in real time; through mutual cooperation of the modules, informatization labeling and showing of the target structure are achieved, and efficient information feedback is generated in the operation process so as to assist medical staff in judging the target structure.

The utility model provides a multifunctional tuning fork device for ear-nose-throat head and neck surgery, and relates to the technical field of medical instruments, the multifunctional tuning fork device mainly comprises a tuning fork, a connecting rod assembly and a hammer, the tuning fork is Y-shaped, the connecting rod assembly is fixedly arranged at the non-bifurcated end, the hammer is arranged at the tail end of the connecting rod assembly, and the connecting rod assembly is connected with the hammer. The connecting rod assembly comprises a connecting rod, a first handle and a second handle which are arranged in sequence, one end of the connecting rod is fixedly connected with the tuning fork, the opposite end of the connecting rod is detachably connected with one end of the first handle, the opposite end of the first handle is detachably connected with one end of the second handle, and a sound hammer is fixedly arranged at the opposite end of the second handle; according to the tuning fork device, when the tuning fork device is not used, the second handle and the first handle are connected together, so that forgetting to carry the tuning fork can be prevented, when the tuning fork device is used, the second handle and the first handle are detached, the tuning fork and the hammer are used in an impact mode, and a doctor can use the tuning fork device conveniently.

The invention discloses an anti-traction fixing nursing device for a postoperative drainage tube of the head and neck surgery department. The anti-traction fixing nursing device comprises the drainage tube, a protective sleeve and a bearing assembly. The drainage tube is used for discharging hydrops of a wound; the protection sleeve is movably connected to the periphery of the drainage tube in a sleeving mode so that the protection sleeve can move in and out in the extending direction of the drainage tube relative to the drainage tube. The bearing assembly is provided with a binding part used for being bound to a human body. The bearing assembly is connected with the protective sleeve so as to bear the protective sleeve. The protective sleeve is introduced to replace the drainage tube to serve as a bearing body of traction force, so that the drainage tube is prevented from being directly pulled. The invention aims to provide the anti-traction fixing nursing device for the postoperative drainage tube of the head and neck surgery department, which can prevent the drainage tube from being pulled and protect the life safety of a patient.

The utility model discloses an integrated surgical multifunctional portable belt which comprises a bellyband of a belt-shaped structure, the two ends of the bellyband are bonded through hook-and-loop fasteners to form a closed structure in a surrounding mode, two sets of storage bags are arranged on the front portion of the bellyband, a set of storage bags are arranged in the bellyband, the number of the storage bags in each set is two, the two storage bags located on the upper portion are first storage bags, and the two storage bags located on the lower portion are second storage bags. The two lower storage bags are second storage bags, two third storage bags are arranged on the back of the bellyband, and openings of the first storage bags, the second storage bags and the third storage bags face the horizontal direction; the first storage bag is used for fixing a drainage bag of a patient after head and neck operation, the second storage bag is used for fixing a drainage bag of a patient after back operation, and the third storage bag is used for fixing a drainage tube of a patient after thoracic and abdominal operation. The portable belt provided by the utility model can increase the comfort of post-operation activities and relieve the action burden of post-operation patients and family members.

The invention discloses a medical instrument cleaning device for the ear-nose-throat head-neck surgery department, and relates to the field of medical instrument auxiliary equipment. The invention provides an ear-nose-throat head-neck surgical medical instrument cleaning device which comprises a water injection system, a disinfection system, a cleaning system, a splash-proof device, a drying system, a dual-purpose cabinet, a lifting controller and a storage cabinet. Cleaning liquid in the two cleaning boxes is intermittently replaced through rotation and autorotation of the two cleaning boxes, drainage is conducted through a drainage groove of the dual-purpose cabinet, disinfectant is injected through a disinfection system, after disinfection is conducted on the cleaning system, a splash-proof device is opened, drying is conducted through a drying system, and then the dual-purpose cabinet is driven by a lifting controller to move downwards, so that a blocking door is automatically opened; the medical instruments are automatically poured into the collecting box by means of autorotation of the cleaning box, and finally the medical instruments only need to be placed in the storage cabinet. Through running water cleaning and self-rotation vibration, the cleaning effect is remarkably improved.

The utility model discloses throat head and neck surgery drainage equipment, and relates to the technical field of neck surgery drainage equipment, the throat head and neck surgery drainage equipment comprises a fixing piece, a mounting structure and a clamping structure, the mounting structure is arranged in the fixing piece, and the top end of the fixing piece is rotatably connected with a first threaded cylinder; first connecting cylinders are fixedly connected to the top end of the fixing piece and located on two sides of the first threaded cylinder; the device is fixed through the installation structure, the device is installed at a sickbed through cooperation of the lower fixing clamp and the upper fixing clamp, it is guaranteed that the device can be stably placed beside the sickbed, and it is guaranteed that the drainage process is stably carried out; when the patient needs to get up to move, the patient can wear the shoulder straps on the body, and the patient or a medical worker does not need to hold the device by hand to move; according to the device, stable clamping operation on the drainage tube is completed through the clamping structure, and the drainage tube is clamped by controlling the two clamping blocks, so that the device can adapt to drainage tubes with different diameters, and it is ensured that the drainage tube is stably clamped at a proper position.

The invention discloses a head and neck surgery endoscope traction device which comprises a supporting rod, an operating bed fixator, a traction device support and a flexible shaft endoscope support. The supporting rod comprises a vertical rod and a transverse rod which are connected with each other. The operating bed fixer is mounted on the vertical rod and is used for connecting an operating bed; the tractor support comprises a supporting rod connecting piece, the supporting rod connecting piece is installed on the transverse rod, the lower end of the supporting rod connecting piece is connected with a rack transmission assembly, and the lower end of the rack transmission assembly is connected with a three-claw drag hook. The upper end of the flexible shaft endoscope support is installed on the cross rod, and the lower end is used for installing an endoscope. The head and neck surgery endoscope traction device has the advantages of being simple in structure, light, convenient, easy to assemble and easy to adjust; the size is small, and flexible placement can be achieved; the surgery field exposure range can be adjusted. The device can be widely applied to head and neck tumor resection operations.

The application provides a surgical head and neck postoperative auxiliary support positioning device, which comprises a back support plate, a shoulder support frame, a pressure belt adjusting assembly, a head support fixing assembly and a neck fixing assembly, relates to the technical field of medical instruments, and adopts a pre-action principle to set the pressure belt adjusting assembly, quantifies the tightness degree of the pressure bandage through scales, and realizes the technical effect that a patient can independently adjust the pressure bandaging; the positioning of the lower jaw and the clamping and limiting of the two sides of the head are combined with the independently adjusted air bag pad, the support and positioning effects of the neck and the head of the patient are realized, the support and positioning of the head and neck can be adjusted, and the situation that the patient intentionally or unintentionally turns the head and is not conducive to wound recovery is prevented; the whole application adopts an open support structure combined with the characteristics of flexible materials, is good in air permeability, and is convenient and comfortable to use.

The utility model discloses a neck supporting and waist back cushion for a patient after a head and neck operation, and aims to solve the technical problems that in the prior art, when the patient after the head and neck operation sits and stands after the operation, a back cushion is usually adopted to support the body of the patient, the head and the neck of the patient are not braked, the neck of the patient is hyperextension or flexion, and the postoperative recovery effect of the patient is reduced. The neck supporting and waist leaning cushion comprises a neck supporting and waist leaning cushion body, a hanging ring is installed at the top end of the neck supporting and waist leaning cushion body, a first sliding ring and a second sliding ring are installed outside the neck supporting and waist leaning cushion body in a sliding mode, and a head support and a neck support are installed on the outer surface of the first sliding ring and the outer surface of the second sliding ring respectively. The height of the head support and the height of the neck support can be freely adjusted, the head support and the neck support are suitable for patients of different body types, the body of the patient is fixedly matched with the head and neck fixing support, the neck of the patient is prevented from stretching or buckling, the neck of the patient is in a relaxed state when the patient sits, and the rehabilitation effect of the patient is facilitated.

The invention discloses an ear-nose-throat head-neck surgical operation auxiliary supporting device, and particularly relates to the technical field of surgical operation equipment.The ear-nose-throat head-neck surgical operation auxiliary supporting device comprises a rotating base, an inner cavity of the rotating base is rotationally connected with a first electric telescopic rod, the output end of the first electric telescopic rod is rotationally connected with a supporting frame, and the upper end of the supporting frame is fixedly connected with a fixing mechanism; a fixing set is fixedly connected to the rear end of the supporting frame, a fourth electric telescopic rod is fixedly connected to the rear side of the fixing set, and a supporting mechanism is arranged on the front portion of the upper side of the fixing set. Through cooperative use of the rotating base, the first electric telescopic rod, the fourth electric telescopic rod and the supporting frame, the device can be fixed to the head of an operating bed, the stability of the device is improved, the head of a patient can be fixed through a clamping set, and through cooperative use of a rotating component, a transmission component, a top block, a headrest, a supporting mechanism and a fixing set, the head of the patient can be fixed. The neck and the head of the patient are lifted, so that the oral cavity of the patient is supported while the head of the patient is lifted.

A head and neck postoperative conformal pressure-regulating bandaging device comprises a rear supporting plate. The shoulder and back fixing assembly is mounted at the lower end of the rear supporting plate; the neck binding assembly is mounted at the upper end of the rear supporting plate; the head binding assembly is mounted above the neck binding assembly; accurate, partitioned and adjustable pressure control is achieved; the neck can be pressurized actively and quantitatively through cooperation of the inclined air bag and the pressure applying air bag; the pressure can be accurately controlled through the air pump, gradient pressure applying can be achieved, and physiological and clinical requirements are better met; and the head can actively and quantitatively pressurize the part, needing to be pressurized, of the head through the head air bag.

The present application relates to the technical field of medical devices, in particular to a nasal administration device for ear-nose-throat and head-neck surgery, comprising an air filtering assembly and a powder administration assembly, the air filtering assembly comprises an activated carbon filter screen and an antibacterial filter screen, the activated carbon filter screen and the antibacterial filter screen are built-in in an air inlet pipe, the air inlet pipe is screw-connected to a joint, the powder administration assembly comprises a nozzle, the nozzle is screw-connected to a contraction pipe, the contraction pipe is integrally formed with the air inlet pipe, a sealing element is arranged between the contraction pipe and the nozzle, 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 to an expansion pipe, and a first eccentric hole is arranged at an outlet end of the expansion pipe. The present application adopts an eccentric design, so that the dry powder sprayed from the second eccentric hole is directed to the outside of the nasal cavity, the dry powder and airflow are prevented from impacting the nasal septum, and the spray is prevented from directly impacting the nasopharynx to cause irritation, so that the absorption effect of the dry powder reaches the best.

The utility model discloses a neck supporting device for ear-nose-throat head and neck surgery, and particularly relates to the technical field of neck supporting, the neck supporting device comprises a mounting rack, a first buffer gasket is fixedly adhered to the center position of the top end of the mounting rack through a hook-and-loop fastener, and second buffer gaskets are movably arranged on the two sides of the first buffer gasket. And a moving assembly is arranged between the two second buffer gaskets and comprises a positive and negative screw rod, two sliding rods, two sliding blocks, two connecting frames and two fixing plates, and the two ends of the positive and negative screw rod are movably connected with the mounting frame through bearings. The forward and reverse screw rod can be driven to rotate by rotating the handle, so that the two fixing plates and the two second buffer gaskets are driven to move oppositely, the neck of a patient is extruded and limited through the two second buffer gaskets, the two fixing plates and the two second buffer gaskets can be driven to move oppositely by rotating the handle reversely in the same way, operation is simple, and the operation is convenient. The two sides of the neck of the patient can be conveniently limited, and the use effect is good.

The invention discloses an active respiration guarantee and sterile isolation integrated system for head and neck operations, and relates to the technical field of medical instruments, in particular to the active respiration guarantee and sterile isolation integrated system for the head and neck operations, which comprises a sterile isolation main body and a neck sterile main body at the rear end of the sterile isolation main body, and therefore, the integrated foldable sterile barrier is formed. The sterile isolation body is provided with a view hole, a moldable metal wire framework is arranged on the inner side of the sterile isolation body, the framework extends along the edge of the hole to form a supporting frame, and the sterile isolation body can be switched between a folded state and a three-dimensional supporting state. A hollow pipeline is arranged in the framework, an oxygen connector is arranged at one end of the hollow pipeline, and distributed gas micropores are formed in the pipeline. During three-dimensional supporting, the framework can form a breathing cavity in front of the face of a patient, oxygen is evenly dispersed and supplied through the micropores, and active breathing guarantee and sterile isolation of an operation area are achieved. The system is preferably made of a disposable sterile material.

The utility model discloses a fixing bracket for ear-nose-throat head-neck surgical examination, which belongs to the field of nursing examination auxiliary appliances and comprises a cushion block, a headrest part, a first roller, a second roller and a rotary driving component. The upper end of the cushion block is rotationally connected with a rotating piece, the first roller and the second roller are oppositely arranged on the two sides of a rotating shaft of the rotating piece, and the axis of the first roller is parallel to that of the second roller; the headrest part is made of a flexible material, the front end and the rear end of the headrest part are fixedly connected to the front end and the rear end of the cushion block respectively, a containing cavity is formed between the headrest part and the cushion block, and the first rolling wheel and the second rolling wheel are located in the containing cavity and support the headrest part at two different positions respectively; the rotation driving assembly is located on the cushion block and used for adjusting the rotation angle of the rotating piece. And the head of the patient leans against the headrest parts in various forms, so that the head of the patient can present different angles, and the examination of medical personnel is facilitated.

The utility model relates to the technical field of medical instruments, in particular to a head and neck surgery postoperative negative pressure drainage ball storage apron. Comprising an apron body, a first hook-and-loop fastener, a second hook-and-loop fastener, a pocket and a connecting assembly, the first hook-and-loop fastener and the pocket are arranged on the front face of the apron body, the first hook-and-loop fastener is arranged at the upper end of the pocket, and the left end and the right end of the back face of the apron body are detachably connected through the connecting assembly; the upper end of the pocket is open, and an elastic band is arranged in the open end of the pocket; a second magic tape is adhered to the first magic tape; a pocket is arranged on the front side of the apron body, a plurality of negative pressure drainage balls and drainage bags are arranged in the pocket, a first hook-and-loop fastener is arranged on the upper portion of the pocket, a second hook-and-loop fastener is arranged on the first hook-and-loop fastener in an adhering mode, and anti-skid buckles or anti-skid clamps on the negative pressure drainage balls can penetrate through or be clamped on the second hook-and-loop fastener respectively, so that the negative pressure drainage balls are fixed again. A patient with a plurality of drainage tubes on the body can conveniently store the drainage tubes, and meanwhile the risk that the negative pressure drainage ball and the drainage bag are loosened is reduced.

The utility model relates to the technical field of operative position cushions, and discloses an inflatable adjustable head and neck operative position cushion which comprises a shoulder air cushion, a connecting plate is fixed on one side of the shoulder air cushion, a neck air cushion used for assisting head and neck operations is fixed at the top of the connecting plate, and a head air cushion is fixed at one end, far away from the shoulder air cushion, of the connecting plate. First air pipes are fixed on one sides of the shoulder air cushion, the neck air cushion and the head air cushion, and inflating and deflating assemblies for inflating are arranged on one sides of the first air pipes; the inflation and deflation assembly comprises a fixing frame, a sliding groove is formed in the fixing frame, an insertion groove is formed in the inner wall of the sliding groove, and a sealing ring adheres to the inner wall of the insertion groove. By performing inflation and deflation adjustment on the shoulder air cushion, the neck air cushion and the head air cushion respectively, the body characteristic and the operation requirement of each patient can be adapted, more comfortable and stable support is provided for the patient, body movement caused by body position discomfort in the operation process is reduced, the operation risk is reduced, and the operation success rate is improved.

The invention relates to the technical field of head and neck surgery, and one embodiment of the invention provides a clinical head and neck surgery auxiliary distraction device which comprises a frame, a motor is fixedly installed above the frame, a threaded rod is fixedly installed at the output end of the motor, and a transverse plate is slidably installed on the circumferential surface of the threaded rod; a first mounting plate is fixedly mounted above the transverse plate, a sliding plate is slidably mounted on the side face of the first mounting plate, an auxiliary block is fixedly mounted at the bottom of the sliding plate, an adjusting device used for adjusting the auxiliary block is arranged on the inner wall of the transverse plate, the adjusting device comprises a first groove, the first groove is formed in the transverse plate, and the second groove is formed in the inner wall of the transverse plate. A sliding block is slidably mounted in the first groove, and a first connecting plate is fixedly mounted at the bottom of the sliding block. By means of the technical scheme, the technical problems that in the prior art, due to the fact that wounds of different wounded patients are possibly inconsistent, the use process is single, and work efficiency is low are solved.

An image-integrated surgical robot based on a hybrid serial-parallel structure, which relates to the technical field of auxiliary operating instruments for medical surgical operations. The present invention solves the problems of redundant degrees of freedom, complex mechanism, and large volume existing in the existing minimally invasive cochlear implant surgical device. The present invention includes a trolley, a large arm of a robotic arm, and a 2-DOF parallel end effector. The supporting column of the trolley is vertically installed at the center of the upper surface of the trolley moving base. The supporting column, the large arm of the robotic arm, and the 2-DOF parallel end effector are sequentially connected in series from the head end to the tail end. The movement of the large arm of the robotic arm is used to drive the 2-DOF parallel end effector to rotate and move in the yoz plane of the robot base coordinate system. The movement of the 2-DOF parallel end effector enables the robotic arm to perform reciprocating motion along the x-axis and rotation around the y-axis in the robot base coordinate system. The present invention is used for surgical operations in head and neck surgery and brain surgery such as cochlear surgery and neurosurgery.

The invention relates to the technical field of medical instruments, and particularly discloses an ear-nose-throat head and neck surgery foreign matter extraction device which comprises a fixing frame, the inner wall of the fixing frame is rotationally connected with a set of symmetrical clamping jaws, the side faces, close to each other, of the clamping jaws are jointly and fixedly connected with a set of tension springs, and the upper surface of the fixing frame is fixedly connected with a connecting cover. An abutting structure used for abutting the set of clamping jaws to enable the set of clamping jaws to be kept in an open state is arranged in the fixing frame, and the abutting structure comprises a top frame hinged to one side face of each clamping jaw. Through the cooperation of the flexible rod assembly, the clamping jaw and the abutting structure, when the clamping jaw stretches into the cavity, the clamping jaw can smoothly advance in the bending direction of the cavity through the flexible cylinder, it is ensured that the clamping jaw is always aligned with the area where foreign matter is located, scraping between the clamping jaw and the pharynx and the laryngeal mucosa is avoided, abutting of the abutting structure to the clamping jaw can be relieved through the pull rope, and the clamping jaw can be prevented from being damaged. And therefore, the foreign matter is clamped by the clamping jaws, and the efficiency of taking out the foreign matter is further guaranteed.

The application discloses an ear-nose-throat-head-neck surgery nursing quality intelligent management and control system and relates to the technical field of nursing quality management and control. The system comprises the following steps: processing operation mode information, doctor's advice information, vital sign information, pipeline information, drainage information, symptom information, nursing record information and handover record information, and generating a nursing event sequence; identifying a current risk stage based on the nursing event sequence, generating a current stage nursing obligation set, and performing closed loop verification, stage switching re-authentication and nursing quality state output. The system can adjust the nursing strategy according to the change of the patient risk stage, and realize nursing abnormality identification and nursing breakpoint positioning.

The invention discloses a head and neck surgery operation cavity fixing tractor, and relates to the technical field of medical braces. The two front-back moving assemblies are arranged on the lower side of the supporting frame. The two lifting air cylinders are fixedly arranged at the upper ends of the vertical ends in the supporting frame correspondingly. The two supporting frames are arranged on the upper sides of the lifting air cylinders correspondingly. The two movable frames are arranged on one side of the supporting frame. The movable frame is of an inverted-L-shaped structure. The two left-right moving assemblies are arranged between the moving frame and the supporting frame. The two connecting frames are arranged on the lower side of the movable frame. The two expanders are respectively arranged on the lower side of the connecting frame; by moving the expander, the incision is expanded, and the expander is positioned, so that the visual field of an operation cavity is wider, and medical staff can see conditions in the operation cavity more clearly.

The utility model discloses a head and neck surgery endoscope traction device which comprises a supporting rod, an operating bed fixator, a traction device support and a flexible shaft endoscope support. The supporting rod comprises a vertical rod and a transverse rod which are connected with each other. The operating bed fixer is mounted on the vertical rod and is used for connecting an operating bed; the tractor support comprises a supporting rod connecting piece, the supporting rod connecting piece is installed on the transverse rod, the lower end of the supporting rod connecting piece is connected with a rack transmission assembly, and the lower end of the rack transmission assembly is connected with a three-claw drag hook. The upper end of the flexible shaft endoscope support is installed on the cross rod, and the lower end is used for installing an endoscope. The head and neck surgery endoscope traction device has the advantages of being simple in structure, portable, easy to assemble and easy to adjust; the size is small, and flexible placement can be achieved; the surgery field exposure range can be adjusted. The device can be widely applied to head and neck tumor resection operations.

The invention relates to the technical field of medical instruments, and discloses a head and neck surgery operation cavity traction device which comprises a traction piece for traction of an operation cavity, a first supporting piece for supporting and limiting the head of a patient and two second supporting pieces located on the side edges of the first supporting piece correspondingly, and the two second supporting pieces are matched to provide support for the traction piece. The second supporting piece is connected with the first supporting piece and is in sliding fit with the first supporting piece, after the second supporting piece slides, the second supporting piece is fixedly connected with the first supporting piece, and the second supporting piece abuts against the shoulders of the patient and drives the traction piece to slide to the chest of the patient. The head and shoulders of a patient can be limited, meanwhile, a lacuna space can be created, and operation steps are reduced.

The invention relates to the technical field of medical instruments, and particularly discloses a throat head and neck surgical operation auxiliary supporting device which comprises a main body and further comprises an inflation mechanism arranged on one side of the main body and used for sealing the pharynx of a patient; the reaction mechanism is arranged at the bottom of the main body, and the reaction mechanism is used for blocking gastric acid regurgitation and aspiration; and the expansion mechanism is arranged on one side of the reaction mechanism, the expansion mechanism supports the oral cavity of the patient, the inflation mechanism extrudes the inflation balloon, the inflation balloon enables gas in the inflation balloon to enter the inflation air bag through the communicating pipe and the first inflation pipe, the inflation air bag is inflated to block the pharynx of the patient, and therefore the patient can stop the pharynx of the patient. The swellable air bag is arranged on the main body, so that the pharyngeal seal can only establish a smooth air passage with the outside from the main body to provide oxygen and perform effective air exchange for a patient, the swellable air bag is inflated to drive the sponge ring to expand, and the sponge ring adsorbs secretions and blood accumulated in an operation area.

The invention discloses an ear-nose-throat head-neck surgical nursing auditory meatus dosing device, and relates to the technical field of medical instruments, the ear-nose-throat head-neck surgical nursing auditory meatus dosing device comprises a syringe, a mounting shaft is rotatably connected in the syringe, a double-fork-tile escapement fork is connected to the mounting shaft, and an escapement wheel is rotatably arranged in the syringe; the escapement wheel and the double-fork-tile escapement fork are located on the same plane. Two fork tiles of the double-fork-tile escapement fork are matched with wheel teeth of the escapement wheel so as to alternately lock and release the escapement wheel, and a transmission coil spring is coaxially arranged on one side of the mounting shaft; the mounting shaft is driven by the transmission coil spring, and the escapement wheel obtains uniform angular velocity in cooperation with a locking and releasing structure of the double-fork-tile escapement fork and the escapement wheel. And then the extrusion plate is driven to slide at a constant speed through transmission of the driving gear and the driven rack, the medicine is extruded to be sprayed out from the multiple medicine outlets, the liquid medicine can be dripped out at a certain speed, and the situation that the speed is too high or too low, so that the injured part is further damaged is avoided.

The utility model discloses a head and neck surgery nasal cavity flushing device facilitating waste liquid collection, and belongs to the technical field of nasal cavity flushing devices.The head and neck surgery nasal cavity flushing device comprises a back cushion, the upper surface of the back cushion is fixedly connected with a back cushion, the head of a head and neck surgery patient leans on the back cushion, the head of the patient is limited through a positioning frame provided with an eyeshade, and eyes are protected; during use, the nasal clamping seat can be clamped outside the nasal cavity of a patient, the atomizing nozzle and the liquid suction nozzle can be stably inserted into the nostrils of the patient by extruding the clamping plate through the spring, and during cleaning, the connecting plate is manually and repeatedly pressed, so that the two piston rods move along the first air cylinder and the second air cylinder, and the first air cylinder extracts cleaning liquid into the preheating cylinder through the one-way valve pipe; the cleaning liquid is heated to the temperature suitable for the nasal cavity of the human body through the heating mechanism, the patient feels more comfortable when cleaning the nasal cavity, negative pressure is formed in the waste liquid cavity through the first air cylinder through the one-way valve pipe, and waste liquid is collected into the waste liquid cavity through the liquid suction nozzle.

The invention discloses a foreign matter clamping device for the head and neck surgery department, and belongs to the technical field of medical instruments.The foreign matter clamping device comprises a holding shell, a transmission assembly, a stainless steel outer pipe, a rotating inner pipe and a clamping end, a push rod is movably arranged at one end of the holding shell and connected with the transmission assembly, the transmission assembly is arranged in the holding shell, and the clamping end is connected with the stainless steel outer pipe; the stainless steel outer pipe is fixedly connected with the other end of the holding shell, the rotating inner pipe is rotatably arranged in the stainless steel outer pipe, one end of the rotating inner pipe is connected with the transmission assembly, the clamping end is arranged at one end of the stainless steel outer pipe and comprises a fixed end, a rotating end and a net bag, the fixed end is fixedly connected with one end of the stainless steel outer pipe, and the rotating end is connected with the net bag. The rotating end is fixedly connected with the other end of the rotating inner pipe, the net bag is detachably arranged between the fixed end and the rotating end, the net bag is matched with the fixed end and the rotating end, foreign matter wrapping and grabbing are achieved, and foreign matter in different shapes can be taken out in a narrow space.

The present application relates to the technical field of medical equipment, and specifically provides a set of auxiliary instruments for head and neck surgery through axillary cavity without inflation, which comprises a retractor assembly and a pressure rod assembly. The retractor assembly is provided with a retractor plate, and a lengthwise channel is formed on the side of the retractor plate facing the operation space, which is used to provide a space for the operation instruments to avoid being hindered by the muscle groups when the tissue is retracted. The pressure rod assembly comprises a pressing plate and a connecting rod, and the connecting rod is provided with a negative pressure suction passage. The connecting rod can be attached to the retractor plate and move along the channel. The set of auxiliary instruments cooperates with the retractor and the pressure rod: the retractor assembly abandons the traditional negative pressure suction tube, and the channel provides a special space for the endoscope and the instruments to avoid being hindered by the muscle groups when they are inserted and moved; the pressure rod pushes and blocks the tissue, and integrates the suction function to remove smoke and waste liquid without occupying the channel. The two together establish an operation space in the small incision, which is smooth to insert and free to adjust the angle of view, solves the problem of instrument congestion and visual interference, and improves the smoothness and safety of the surgery.