25 results about "Cricothyroid membrane" patented technology

The invention relates to the field of medical equipment, in particular to a visual double-cavity laryngoscope and thyrocricocentesis integrated device for difficult airways, which comprises a double-cavity laryngoscope main body and a thyrocricocentesis device, the outer surface of the double-cavity laryngoscope main body is fixedly connected with a connecting plate, the other surface of the connecting plate is fixedly connected with a hemispherical shell, and the hemispherical shell is fixedly connected with the double-cavity laryngoscope main body. The integrated structural design is adopted, the core functions of a visual double-cavity laryngoscope and a cricothyroid membrane puncture instrument are organically integrated, the current situation that the two traditional instruments are independently used and need to be frequently switched is thoroughly changed, an operator can sequentially complete glottis exposure and tracheal intubation operation on the same device, and if intubation fails or a patient suffers from emergency oxygen deficit, the visual double-cavity laryngoscope and the cricothyroid membrane puncture instrument can be directly used. The cricothyroid membrane puncture device which is assembled in place can be directly used for implementing puncture without additionally replacing instruments, so that the operation continuity is greatly improved, the key time for establishing an airway is effectively shortened, and the oxygen deficit risk of a patient caused by instrument switching is fundamentally reduced.

The invention relates to a cricothyroid membrane incision suit bag which comprises a containing box, a containing cavity set is arranged in the containing box, a scalpel, a trachea cannula, a guide wire and an auxiliary assembly are placed in the containing cavity set, the containing box is arranged in a sterile bag in a sleeved mode, and the sterile bag is provided with an easy-to-tear assembly. A scalpel, a trachea cannula, a guide wire and auxiliary components required by cricothyrotomy are all placed in the containing box and are packaged by the sterile bag with the easy-to-tear component, so that centralized storage and sterile storage of instruments can be realized. In an emergency, medical staff can quickly open the suit bag through the easy-to-tear assembly, so that the situation that precious time is delayed due to scattered searching of instruments is avoided, and the rescue efficiency is improved; meanwhile, due to the design of the orderly containing cavity sets, needed instruments can be rapidly recognized and taken conveniently, time is further saved, the operation efficiency is improved, and meanwhile the complication risk caused by improper instrument preparation is reduced.

The invention discloses a visual retrograde tracheal intubation device, belongs to the technical field of medical apparatuses and instruments, and is suitable for airway establishment of difficult airways. The device comprises a cricothyroid membrane puncture assembly, a visual acquisition assembly, a guide wire assembly and an image output assembly. The cricothyroid membrane puncture assembly comprises a hollow puncture needle, the visual collection assembly is arranged in the hollow puncture needle and located at a preset position behind a needle tip, and a preset included angle is formed between the imaging direction of the visual collection assembly and the axis direction of the puncture needle; an imaging window corresponding to the visual acquisition assembly is arranged on the needle wall of the hollow puncture needle and used for obtaining image information in the airway. The guide wire assembly enters an airway through the puncture assembly and moves reversely along the airway, the visual acquisition assembly is used for capturing at least one part of images of a guide wire in the airway, and the image output assembly is used for outputting image information to an operator so as to assist in judging the trend and position of the guide wire. Real-time visual guidance is provided in the retrograde intubation process, the dependence on experience of an operator is reduced, the risk that the guide wire enters the non-target direction by mistake is reduced, the operation time is shortened, and the safety and success rate of difficult airway retrograde tracheal intubation are improved.

The invention belongs to the technical field of medical instruments, and particularly relates to a thyrocricocentesis auxiliary breathing device with an auxiliary positioning structure, which comprises a puncture assembly, and the puncture assembly comprises a puncture needle connected to a needle head; the breathing assisting assembly is detachably connected with the needle head; the auxiliary positioning structure is in coupling connection with the needle head, the auxiliary positioning structure comprises a guide sleeve and a neck fixing band connected to the outer portion of the guide sleeve, the puncture needle is movably arranged in a guide channel of the guide sleeve, the neck fixing band is fixed to the neck of a patient, the guide sleeve is rotated, and the neck fixing band is fixed to the neck of the patient. The front end of the guide sleeve is aligned with a positioning mark point, a medical worker pinches the first holding part with fingers of one hand and keeps still, and pinches the second holding part with the other hand, so that a puncture needle penetrates out of the guide sleeve to penetrate in, vital sign changes of a patient are closely observed in the puncture process, operation is stopped immediately once abnormity occurs, and corresponding measures are taken.

The utility model discloses a detection device for identifying cricothyroid membrane incision ventilation, which belongs to the technical field of airway models, and comprises a thyroid cartilage, a simulation assembly, a clamping assembly, a mounting clamping piece, a detection assembly and a connecting piece, the connecting piece is inserted into the left end of the thyroid cartilage, and the left end of the connecting piece is connected with an air supply system; the installation clamping piece is installed on the lower portion of the right side of the thyroid cartilage, the clamping assembly is installed at the right end of the installation clamping piece, the detection system is connected to the right end of the clamping assembly, the detection assembly is installed at the front end of the installation clamping piece, the left end and the right end of the simulation assembly are clamped in the thyroid cartilage and the clamping assembly respectively, and the thyroid cartilage, the installation clamping piece and the clamping assembly are integrally formed. And a mounting space is formed among the thyroid cartilage, the mounting clamping piece and the clamping assembly. The problems that in the prior art, due to the fact that a simulation tool is low in reusability and cannot simulate various conditions, the teaching effect is poor, and the use cost is high are solved. And the practicability and the universality of the device are improved.

A cricothyroidotomy device configured for use in emergency airway procedures by a responder-provider, the device comprising a structure configured to cover and secure over the laryngeal skeleton region; an accessible opening for intubation; lateral fixation arms with pre-loaded fastening means; an integrated cutting element; and a mechanism configured to maintain traction during the procedure. Further provided are methods of using the device and a kit comprising the device.

A cricothyrotomy medical training device includes a ribbed tube representative of a human trachea, the ribbed tube having a first end and a second end. A first protrusion extends from the first end of the ribbed tube, the first protrusion being representative of a human thyroid cartilage. A second protrusion extends from the ribbed tube near the first end, the second protrusion being representative of a human cricoid cartilage. The second protrusion is longitudinally spaced between the first end and the second end. A first marking material is disposed at the first and second protrusions for representing a location of human skin. A second marking material disposed between the first and second protrusions to identify a location of a human cricothyroid membrane.

The invention discloses a visual positioning type cricothyroid membrane puncture kit and a cricothyroid membrane puncture method. The visual positioning type cricothyroid membrane puncture kit comprises a cannula assembly and a puncture needle assembly which are detachably connected. The sleeve assembly comprises a sleeve, a base and a fixing belt, the sleeve is arranged on the base, and the fixing belt is detachably connected with the base; the puncture needle assembly comprises a hollow base, a puncture needle tube, a needle core, a spring and an indicating block, the puncture needle tube is arranged at the front end of the hollow base, a needle point puncture part formed by a diagonal plane structure is arranged at an opening in the front end of the puncture needle tube, the spring and the indicating block are located in the hollow base, the needle core is inserted into the puncture needle tube in a front-back sliding mode, and the indicating block is located in the hollow base. The length of the needle core is larger than that of the puncture needle tube, the front end of the needle core extends out of a needle point puncture part, and the rear end of the needle core abuts against the spring or the indication block to form a linkage state. The whole process is visualized, accurate positioning and safe error prevention can be achieved, and operation dependence experience is reduced.

This invention relates to the field of laryngoscope technology, specifically to a high-frequency jet video laryngoscope integrating multimodal functions and its usage method. The invention includes a laryngoscope body, and integrated on the laryngoscope body are a high-frequency jet ventilation module, a visualization and anti-interference module, a multi-functional channel module, and a puncture guidance module. The laryngoscope body, from top to bottom, includes a video display unit, a drug delivery control unit, an operating handle unit, and a flexible insertion unit. The high-frequency jet ventilation module provides high-frequency airflow for ventilation and oxygenation. The visualization and anti-interference module provides a visual field for cricothyroid membrane puncture and avoids airflow interference. The multi-functional channel module provides multi-functional assistance for puncture guidance. This technical solution, by integrating high-frequency jet ventilation, visualization and anti-interference, and multi-functional channel modules, achieves ventilation and oxygenation, clear visual field presentation, precise puncture guidance, and multi-functional assistance, thereby more comprehensively, efficiently, and safely meeting the treatment needs in complex medical scenarios.

This invention discloses an automatic cricothyroid membrane puncture and cannulation gun, belonging to the field of medical device technology. It includes a gun body with a gun head at the front. An arc-shaped positioning support is located at the front end of the gun head. An expansion sleeve is slidably disposed within the gun head, containing a puncture needle core. A linear drive mechanism is located at one end of the expansion sleeve within the gun body's casing. A catheter pushing mechanism is located on the outer wall of the gun body near the gun head, pushing a catheter assembly. The catheter assembly is slidably disposed within the expansion sleeve, and a tapered hole is formed at the proximal end of the expansion sleeve for the catheter assembly to pass through. This invention adopts an integrated design for puncture, expansion, and cannulation, significantly shortening the emergency airway establishment time and reducing the skill requirements for operators. It is suitable for complex emergency scenarios such as wartime battlefields and disaster relief, improving the efficiency and safety of first aid and wartime trauma treatment.

The utility model discloses a cricothyroid membrane puncture trocar, and belongs to the technical field of medical treatment. The device mainly comprises a needle tube, the needle tube is sleeved with a sleeve, the upper end of the sleeve is fixedly sleeved with a limiting tube, one end, away from the sleeve, of the limiting tube is fixedly provided with a fixing block, one side, away from the limiting tube, of the fixing block is rotatably provided with a rotating tube, the inner side of the rotating tube is in threaded connection with a movable block, and the upper end of the movable block is provided with a fixing hole. The upper end of the needle tube extends into the fixing hole, and a matching block is fixed to the upper end of the needle tube and matched with the fixing hole. The rotating tube is in threaded connection with the movable block, the tip end of the needle tube can be driven to slowly extend out, medical staff can conveniently and finely adjust the puncturing angle and position of the needle tube according to the situation, the cricothyroid membrane puncture trocar is not prone to shaking in the mode, and the situation that due to improper force application, the trocar cannot be damaged easily is avoided. And the problem that the position and the angle of the needle tube driven by the injector are deviated or the needle tube is punctured too deep is solved. According to the cricothyroid membrane puncture trocar, the effect of accurately controlling the needle inserting distance is achieved.

The application discloses a kind of intelligent cricothyroid membrane puncture equipment, it is related to cricothyroid membrane puncture technical field, including shell, one end of the shell is fixedly connected with mounting disc, the one side of the mounting disc is fixedly connected with fixed cylinder, the one end of the fixed cylinder is fixedly connected with installation pipe, and the one end of the installation pipe is provided with glue paste.The intelligent cricothyroid membrane puncture equipment disclosed in the application makes the first air bag and the second air bag of the one end of the air hose driven by the puncture needle move together, the steel wire drives the puncture needle to pierce the cricothyroid membrane from the neck of patient, makes the first air bag and the second air bag stay inside the cricothyroid membrane, makes the one end of the air hose fixed on the cricothyroid membrane of patient after the metal support is pried open, connects the breathing machine with the universal connecting end of the one end of the breathing tube, the inside of the breathing tube and the air hose is communicated with the inside of the trachea of patient, provides breathing guarantee for patient in emergency and reduces the effect of cricothyroid membrane injury of patient.

The invention provides a cricothyroid membrane incision operating instrument set. The cricothyroid membrane incision operating instrument set comprises an operating instrument set body, a cricothyroid membrane pulling hook, a stabbing and cutting dual-purpose double-blade cricothyroid membrane rapid incision knife, a trachea cannula guiding tube and a trachea cannula, according to the cricothyroid membrane incision operating instrument set, the operating instrument set main body is internally provided with four pipe fitting instruments, namely the trachea cannula guide tube, the cricothyroid membrane pull hook capable of preventing misplug, the stabbing and cutting dual-purpose double-blade cricothyroid membrane rapid incision knife and the trachea cannula, which are required in the cricothyroid membrane incision operation; by means of the instruments in the operation kit, puncturing, cutting, flaring and catheterization can be completed at a time, time is fully saved, operation time is effectively shortened, and the high requirement for first-aid time can be well met; meanwhile, the instruments can be accurately matched, guiding of the insertion direction of the tracheal cannula and prompting of misplug are perfected, misplug can be effectively prevented, the complication risk is reduced, and the operation safety is improved.

The application provides a cricothyroid membrane puncture rescue simulation training method and system, a cricothyroid membrane puncture rescue simulation training method comprising the following steps: step S1, starting an infrared locator, a pressure-sensitive puncture needle and a head-mounted display, and establishing a connection; step S2, calibrating the head-mounted display coordinates; step S3, the infrared locator determines the positions of the pressure puncture needle, the head-mounted display and the elastic simulation human body, and transmits the position information to the head-mounted display; step S4, the head-mounted display updates the position according to the received position information; step S5, the head-mounted display renders the training scene and produces environmental sound; step S6, the training personnel perform a cricothyroid membrane puncture action; step S7, the contact module in the head-mounted display judges whether the puncture reaches the specified position; step S8, when the training personnel puncture to the specified position, the pressure puncture needle is fixed, and training evaluation is prompted and given; and step S9, the training is completed. The beneficial effect is that the cost of training construction is controlled, and more realistic feedback experience can be given to students.

The invention discloses intelligent thyrocricocentesis equipment, and relates to the technical field of thyrocricocentesis, the intelligent thyrocricocentesis equipment comprises a shell, one end of the shell is fixedly connected with a mounting disc, one side of the mounting disc is fixedly connected with a fixing cylinder, one end of the fixing cylinder is fixedly connected with a mounting pipe, and one end of the mounting pipe is provided with a glue sticker. According to the intelligent cricothyroid membrane puncture equipment disclosed by the invention, the puncture needle drives the first air bag and the second air bag at one end of the air guide hose to move together, and the steel wire drives the puncture needle to puncture the cricothyroid membrane from the neck of a patient, so that the first air bag and the second air bag stay in the cricothyroid membrane; after the metal support is expanded, one end of the air guide hose is fixed to the cricothyroid membrane of a patient, the breathing machine universal connecting end at one end of the breathing tube is connected with the breathing machine, the interiors of the breathing tube and the air guide hose are communicated with the interior of the trachea of the patient, and the effects of providing breathing guarantee for the patient and reducing cricothyroid membrane injuries of the patient in an emergency are achieved.

The utility model provides a cricothyroid membrane puncture device which comprises a puncture assembly, and the puncture assembly comprises a puncture end and an operation end. A deformation structure is arranged at one end of the hollow sleeve, and the deformation structure is suitable for enabling the hollow sleeve to be outwards expanded into an extension form through external force; the puncture assembly is arranged in the hollow sleeve in a penetrating mode, and the puncture end and the operation end are exposed out of the hollow sleeve. One end, close to the puncture end, of the puncture assembly is detachably connected with the deformation structure, so that the deformation structure can be adjusted to an extension form by driving the puncture assembly; the limiting assembly is arranged on the hollow sleeve, and the extension form of the deformation structure is matched with the limiting assembly to form limiting structures suitable for being arranged inside and outside the cricothyroid membrane respectively.

The retrograde tracheal intubation device comprises a tracheal catheter main body, a built-in guide tube core, a one-way locking mechanism and a special traction guide wire, the tracheal catheter main body is a flexible hollow tube body, the built-in guide tube core is arranged in the tracheal catheter main body, a variable-diameter conical head is arranged at the far end of the built-in guide tube core, and the one-way locking mechanism is arranged at the tail end of the built-in guide tube core. The one-way locking mechanism is arranged in the reducing conical head and used for achieving one-way mechanical locking. The special traction guide wire comprises a wire body, the middle section of the wire body is provided with a traction protrusion, and the radial size of the traction protrusion is smaller than the hole diameter of the center through hole. And meanwhile, a transition air bag and a clamping air bag which are matched with each other are also arranged. By pulling the special traction guide wire at one end of the cricothyroid membrane, the built-in guide tube core and the tracheal catheter main body can sequentially pass through the glottis under the action of the traction bulge.

A surgical tool includes (i) a tool body with a longitudinal bougie passage extending through the tool body to receive a bougie therethrough and (ii) a blade body mounting a scalpel on one end thereof. When the bougie is removed, the blade body can be inserted through the bougie passage so that the scalpel blade protrudes from the end of the tool body in a working position. The surgical tool is suited for performing a cricothyrotomy procedure by incising the cricothyroid membrane in the working position of the scalpel blade, followed by retraction of the scalpel blade to allow insertion of the bougie through the bougie passage while the tool body remains in place within the incision. The tool body can then be removed from the bougie and replaced with an endotracheal tube, prior to removal of the bougie from the incision.

The invention provides a cricothyroid membrane puncture positioning method and system based on an ultrasonic image, and relates to the technical field of ultrasonic puncture positioning, and the method comprises the steps: transmitting a composite pulse signal containing at least three center frequencies, adaptively adjusting the frequency weight according to the scanning depth, and generating a fundamental frequency image for inhibiting gas interface artifacts; performing pulse inverting processing on the fundamental frequency image to extract a harmonic component, and performing phase compensation in combination with acoustic admittance distribution to generate a harmonic enhanced image; calculating an acoustic impedance gradient tensor based on an acoustic wave propagation physical model, and generating a boundary confidence feature map; inputting the fundamental frequency image, the harmonic enhanced image and the boundary confidence feature map into a U-Net + + network, and outputting a cricothyroid membrane boundary mask; and dynamically optimizing the puncture path under the constraint of the boundary mask, and outputting a puncture path plan. According to the method, a complete technical scheme from signal processing to physical modeling to intelligent decision making is established, and a high-robustness solution can be provided for cricothyroid membrane puncture positioning.

The application provides a cricothyroid membrane puncture guiding device, which has the structure comprising: an ultrasonic contact block, a control handle, a display screen, a switch button and an adjusting button. The ultrasonic contact block is connected with the control handle, and the control handle starts the display screen and the adjusting button through the switch button. After the ultrasonic contact block is improved, the sponge pad of the arc block can directly contact the skin at the position of the cricothyroid membrane, which can improve the safety factor during contact. Then, the vertical sleeve of the fixing structure is used to make the sliding rail drive the push rod to slide down, and the plug is inserted into the sickbed, so that the positioning effect is achieved. The shaking and instability during the simple handheld guiding detection can be avoided, the accuracy of the guiding puncture is improved through the fixation with the sickbed, the probability of single puncture success is further improved, and therefore the use intensity of the guiding device is improved.

The invention discloses a cricothyroid membrane puncture needle rapid positioning device which comprises a fixing base set, a suction cup is arranged below the fixing base set, and the fixing base set is fixed to the ground, a table top or a wall face in an adsorption mode through the suction cup. According to the rapid positioning device for the cricothyroid membrane puncture needle, accurate confirmation and puncture guide of the cricothyroid membrane are achieved in a laser irradiation mode by means of good light transmission of the cricothyroid membrane, and an irradiation lamp support with a stable supporting structure is specially designed; the device is stably adsorbed on the ground, a table top or a wall surface through the fixed seat group, flexible regulation and control of the positions and angles of the fixed clamp and the laser lamp group are realized by virtue of the rotation function of the first movable arm and the second movable arm and the sliding and rotation adjustment of the auxiliary movable arm, and the device is used for performing laser irradiation on a target area. The thyrocricocentesis auxiliary positioning device is stable in structure and flexible to adjust, can adapt to different use environments and operation requirements, and can be used for auxiliary positioning in thyrocricocentesis operation.

The invention relates to the technical field of medical assistance, in particular to a thyrocricocentesis assisting device convenient to position, which comprises a needle cylinder and an arc-shaped positioning plate, the bottom of the needle cylinder is fixedly communicated with a puncture needle, two sides of the positioning plate are symmetrically and slidably connected with arc-shaped fixing plates, and the bottoms of the fixing plates are fixedly connected with L-shaped bending frames; the positioning plate is provided with a positioning assembly used for determining the position of cricothyroid membrane through pressure changes and a guiding assembly used for guiding a puncture needle. An arc-shaped supporting frame is arranged on one side of the positioning plate, the bottom of the supporting frame is fixedly connected with the top of the adjacent bending frame, and a driving assembly used for driving the positioning plate to slide in the length direction of the fixing plate is arranged on the side wall of the supporting frame. Through the design of the positioning plate, after the device makes contact with the neck of a patient, the position of the thyroid cartilage of the patient can be rapidly recognized by analyzing pressure changes of all contact point positions, the position of the positioning plate is automatically adjusted, and accurate puncture positioning and puncture guiding are provided for doctors.

The invention discloses a cricothyroid membrane puncture device and a cricothyroid membrane puncture method.The cricothyroid membrane puncture device comprises a shell, an intermittent transmission mechanism is arranged in the shell and comprises a driving motor arranged outside the shell, an annular plate is arranged at the output end of the driving motor, and a protruding rod is fixedly connected to the side edge of the annular plate; a triangular protruding rod is arranged below the protruding rod, a connecting rod is fixedly connected to the side, away from the protruding rod, of the triangular protruding rod, a triangular plate is fixedly connected to the side, away from the triangular protruding rod, of the connecting rod, a nail gun assembly is arranged on the side edge of the triangular plate, and a puncture needle is arranged on the side, away from the triangular plate, of the nail gun assembly. The puncture needle, the metal guide wire and the trachea cannula move intermittently in sequence, the tedious steps that in a traditional method, medical workers need to replace medical assemblies continuously and position positioning needs to be conducted for multiple times are avoided, the operation process is simplified, the puncture time is shortened, and therefore the treatment efficiency of a patient is improved.