401 results about "Intubation" patented technology

A modular disease management system may provide medication management for a patient. The system may include a base configured to at least partially couple to a tissue site of a patient. The system may further include a medication bladder coupled to the base and configured to maintain medication. The system may further include a medication pump coupled to the medication bladder, comprising a conduit and muscle wire-actuated plungers, wherein the medication pump is configured to cause the medication to flow from the medication bladder through the conduit. The system may further include a cannula insertion device coupled to the medication pump via the conduit, wherein the cannula insertion device comprises a cannula, a spring, and a triggering component, wherein the cannula insertion device is configured to insert the cannula into the tissue site of the patient by actuation of the spring released by the triggering component.

The ureter and urine bag comprises a urine bag body, a spiral pipe, a connecting pipe, a threaded connector pipe and a urine guiding pipe, the threaded connector pipe comprises a pipe body and an insertion pipe, internal threads with the thread pitch being 1.8-2.2 mm are machined on the inner wall of the pipe body, external threads matched with the internal threads are machined on the outer wall of the insertion pipe, and the spiral pipe is connected with the connecting pipe. Two groups of wing plates are symmetrically arranged on the outer wall of the cannula to provide rotating acting points, and a collecting assembly is integrated on the side wall of the urine bag and used for aseptically collecting urine samples. Traditional plug-pull type connection is replaced by a precise thread fit structure, a clear rotating force application point is provided for medical staff, operation is labor-saving and convenient, connector pollution is avoided, the urinary tract infection risk is effectively reduced, and the nursing comfort of a patient is improved.

The double-cavity cannula comprises a cannula body, the cannula body comprises an outer tube with an opening in the upper end and an inner tube coaxial with the outer tube, the upper end of the outer wall of the cannula body is provided with a connecting part communicated with the cannula body in a matched mode, a plurality of blood guide side holes are formed in the lower portion of the outer wall of the outer tube, and the opening in the lower end of the inner tube is communicated with a blood guide hopper. A blood return assembly is arranged on the inner wall of the outer tube and above the blood guide hopper, a blood flow guide cover is arranged on the inner wall of a blood return opening of the blood return assembly in a matched mode, a balloon capable of being filled and emptied is arranged on the outer wall of the outer tube and above the blood guide side hole, a filling valve is arranged on one side of the outer wall of the connecting part, and the filling valve is communicated with the balloon through a filling pipeline. When blood is guided, the conditions of local blood vessel wall adsorption and unsmooth blood guiding cannot be easily caused by the design of the blood guiding side holes, and the injection effect, blood turbulence and hemolysis risk increase cannot occur during blood return.

A method is provided that includes inserting an inflow cannula of a left ventricular assist device (LVAD) of a LVAD system into a left chamber of a heart of a patient transeptally via a right atrium and a superior vena cava (SVC). An outflow cannula of the LVAD is coupled to a left subclavian artery or a left axillary artery. Other embodiments are also described.

Systems are provided including a sheath and cannula combination device for permitting a user to select between directing blood flow through a first cannula portion of the combination device in a cannula mode and enabling an interventional medical procedure through a second sheath portion of the combination device in a sheath mode, or performing both modes simultaneously. The combination device may include a connector hub configured to auto-washout stasis regions of blood within the first cannula portion. The system may include a series of removable caps for temporarily sealing the first and / or second portions of the combination device, such that the user may seamlessly select when to use the combination device in the cannula mode, the sheath mode, both the cannula and sheath modes simultaneously, or neither the cannula mode nor the sheath mode.

The invention discloses a medical catheter finished product performance detection device and method, the device comprises a bottom plate and a detection cylinder, the top of the bottom plate is provided with the detection cylinder and a support, the detection cylinder is internally provided with a detection simulation unit, and the detection simulation unit comprises a simulation layer, an air bag layer and a fixed cylinder which are sequentially arranged from inside to outside; a flexible detection sensor is embedded in the inner wall of the simulation layer, connecting pipes are installed on the sides, facing the detection cylinder, of the first connector and the second connector in a penetrating mode, and the connecting pipes and the sealing clamping bases are used for connecting the two ends of the guide pipe. Through the arrangement of the detection simulation unit, different physiological environments can be simulated, the influence of different use physiological environments on the liquid passing performance in the catheter can be detected, then accurate dosing in the use process of the catheter is ensured, and the external friction force of the catheter in different intubation environments is detected; the catheter with proper friction performance can be selected according to the insertion environment, and the human body comfort is improved when the medical catheter is used in an insertion mode.

The invention relates to a postoperative gastrointestinal function monitoring method integrating flexible sensing and AI, and the method comprises the steps: placing a flexible electronic skin sensor in the abdominal regions of a plurality of patients, carrying out the collection of abdominal acoustic signals, obtaining a plurality of abdominal acoustic signals, and constructing a data set; preprocessing a plurality of samples in the data set, and dividing the preprocessed data set into a training set and a test set; constructing a gastrointestinal function monitoring model, and inputting the training set into the gastrointestinal function monitoring model for training; inputting the test set into the gastrointestinal function monitoring model obtained after training to judge the gastrointestinal peristalsis state; the method is used for assisting a doctor to know the gastrointestinal function state of a patient in real time, a flexible electronic skin sensor is adopted to be attached to the abdomen to collect signals, intubation or radiation examination is avoided, and the pain and infection risk of the patient are reduced; by means of artificial intelligence, the gastrointestinal function monitoring model is adopted to efficiently monitor the gastrointestinal peristalsis state in real time, and doctors are assisted in formulating a treatment scheme.

Devices and methods are provided for delivering gas. In one example, the device includes a syringe body including a proximal end, a distal end including an outlet and a gas chamber communicating with the outlet, and a plunger carrying a piston slidably received within the syringe body. A canister containing a gas is provided within the plunger adjacent a passage through the piston communicating with the gas chamber. A drive actuator is movable to cause an opener pin to open a septum of the canister and release the gas, whereupon the gas travels through the passage into the gas chamber, thereby displacing the piston proximally to fill the gas chamber. Once activated, the plunger may be advanced to deliver the gas within the gas chamber through the outlet into a patient's body, e.g., into an eye via a cannula connected to the outlet.

The present disclosure generally relates to microsurgical instruments for ophthalmic surgical procedures, and more particularly, methods and microsurgical instruments for vitreoretinal procedures. In certain embodiments described herein, a vitreoretinal procedure is performed utilizing two surgical instruments: 1) a treatment instrument configured to a) treat a target ophthalmic tissue (e.g., sever and remove the vitreous body), and b) infuse fluid into the intraocular space to maintain intraocular pressure (IOP); and 2) an illumination probe for providing illumination within the intraocular space. The combined treatment and infusion functionalities of the treatment instrument eliminate the need for a separate infusion cannula, thus enabling the vitreoretinal procedure to be performed with only two instruments and reducing the number of incisions made in the eye. Additionally, utilization of two instruments facilitates easier manipulation of the eye by a surgeon, as one of the two instruments can be used to “steer” the eye during the procedure.

The invention relates to a self-adaptive laryngeal mask intubation system and method based on anesthesia depth monitoring feedback. The method comprises the following steps: acquiring flow velocity data of gas in a laryngeal mask microfluid channel in real time and denoising to obtain smooth flow velocity data; detecting the deviation between each data point in the smooth flow velocity data and the target flow velocity in real time, and determining the data point of which the deviation is greater than a preset threshold value as an abnormal point; calculating the adjustment amount of the gas parameter according to the abnormal type of the abnormal point and a preset adjustment logic; generating an adjusted flow velocity control signal in combination with safety constraints; and then calculating a comprehensive trend index of the physiological data of the patient fused with the adjusted flow rate control signal, determining a drug delivery amount by adopting a fuzzy control algorithm, and adjusting the flow rate of the drug in the microfluid channel according to the drug delivery amount. By adopting the method, real-time deviation detection and dynamic adjustment can be performed in combination with the anesthesia depth in a complex physiological environment, and accurate mapping of the flow velocity value and the anesthesia depth state of a patient is ensured.

The duodenal papilla dilatation balloon catheter with the pressure measuring function comprises an outer sheath tube, a combination body and a plurality of branch tubes, the outer sheath tube comprises a drainage tube section I, a drainage tube section II and a drainage tube section III which are sequentially connected from head to tail, and the surface of the drainage tube section II is wrapped with a double-layer cylindrical dilatation film; the double-layer cylindrical expansion membrane comprises an inner-layer membrane and an outer-layer membrane, the outer-layer membrane is provided with an opening, and a pressure sensor is arranged in the opening; the combined body is connected with the tail end of the drainage tube section III, and a plurality of branch tubes are connected with the combined body. According to the catheter, common bile duct or pancreatic duct intubation can be carried out under the assistance of the guide wire, the pressure between the balloon and the duodenal papilla sphincter can be detected while the duodenal papilla sphincter is expanded, the nipple expansion size is determined according to the pressure value, and the occurrence rate of complications such as tearing bleeding of the duodenal papilla sphincter, bile leakage and enterobiliary regurgitation is avoided.

Provided are systems and techniques for providing multiple perspectives during medical procedures. In one aspect, a method includes positioning a plurality of cannulas in a plurality of anatomical quadrants of a patient, inserting first and second surgical tools coupled to corresponding robotic arms into the respective cannulas. The method may include inserting an articulatable camera coupled to another robotic arm into another of the cannulas, where the articulatable camera is capable of showing a first view including the first surgical tool in a first anatomical quadrant and articulating to show a second view including the second surgical tool in a second anatomical quadrant. The method may further involve performing a surgical procedure in at least one of the first anatomical quadrant or the second anatomical quadrant.

The invention discloses an anesthesia induction method and device and an anesthesia machine, and relates to the technical field of anesthesia induction. The anesthesia induction method comprises the following steps: acquiring brain wave signal data, arterial pressure signal data and airway intervention data of a set patient; based on a pre-trained anesthesia state evaluation model and in combination with brain wave signal data and arterial pressure signal data of the set patient, an induction depth response characteristic value of the set patient is analyzed; based on airway intervention data of a set patient and analysis of an induction stability characteristic value of the set patient, induction recommendation processing is performed on the set patient based on an induction depth response characteristic value and the induction stability characteristic value, so that the overall induction state of the patient is dynamically and comprehensively reflected, and a clear evaluation result is provided; clinical personnel are helped to timely judge whether a patient reaches a safe intubation and maintenance level or not, so that the risk of insufficient or excessive induction is reduced, and the safety of anesthesia induction is remarkably improved.

An intraosseous access device can include a device body, a trocar needle coupled to the device body, and an intraosseous catheter removably disposed on the trocar needle. The device body can be configured to enable manual insertion of a distal tip of the trocar needle through a skin surface of a patient to an external surface of a bone of the patient. The intraosseous catheter can include a catheter hub and a cannula slidable with respect to the catheter hub to enable adjustment of a longitudinal length of the intraosseous catheter. The intraosseous access device can further include an advancement mechanism configured to advance the trocar needle and the intraosseous catheter into an internal portion of the bone after the distal tip of the trocar needle and the intraosseous catheter have been inserted through the skin surface of the patient to the external surface of the bone of the patient.

The utility model relates to a measuring and treating device for the dilatation of a cyclopharynx muscle, which effectively solves the problems that the amount of filled gas is inconvenient to control and the pressure of the cyclopharynx muscle on a balloon is inconvenient to detect when the balloon of the cyclopharynx muscle is dilated. Comprising a vertical inflator pump with a downward opening, a piston plate capable of moving up and down is arranged in the inflator pump, a vertical axial connecting block is fixed to the upper end of the inflator pump, a connecting groove is formed in the middle of the connecting block, through holes are formed in the upper side and the lower side of the connecting block respectively, and the opposite sides of the two through holes are communicated with the connecting groove respectively; the lower end of the through hole in the lower side is communicated with the inside of the inflator pump, the upper end of the through hole in the upper side is detachably connected with an intubation tube, an inflatable airbag is arranged at the upper end of the intubation tube, arc-shaped elastic sheets capable of shielding the through hole in the lower side are fixed to the left side and the right side of the connecting groove respectively, the opposite sides of the two elastic sheets protrude upwards and make contact with each other, and the right end of the inflator pump is communicated with an arc-shaped connecting tube. The device is simple in structure, convenient to operate, novel in conception and high in practicability.

The utility model belongs to the technical field of medical instruments and provides a disposable bite block which comprises a first bite block body, an adjusting mechanism used for adjusting the expansion angle of the bite block body is connected to the upper portion of the first bite block body, and a tongue pressing mechanism used for improving the intubation effect is arranged on the inner side of the first bite block body. The working performance of the tooth cushion is greatly improved through the arranged adjusting mechanism, the device structure is perfected, the expansion distance between the first tooth cushion and the second tooth cushion can be effectively adjusted through working cooperation of the telescopic column arranged in the adjusting mechanism and the screw adjuster, and therefore the device is not only suitable for trachea insertion, but also suitable for gastroscope intubation; the application range of the bite block is greatly widened, the working performance of the bite block is further improved through the arranged tongue pressing mechanism, the intubation working efficiency is improved to a certain degree, when the bite block is meshed in the oral cavity of a patient, a tongue pressing plate arranged in the tongue pressing mechanism conducts tongue pressing work through a movable shaft, and therefore the sight blocking situation is reduced, and the intubation effect is improved. And a worker can conveniently carry out intubation work.

The utility model discloses a drainage hole with a function of preventing blood vessels from adhering to the wall. The drainage hole comprises a drainage hole body, an anti-injury block, a supporting ring, a drainage ditch and an arc-shaped cannula adhering face. A gap between every two adjacent damage blocks is a drainage ditch; each anti-damage block consists of an anti-damage table, an access slope, an access arc, an anti-damage arc I and an anti-damage arc II, wherein the anti-damage table is positioned at the upper part of the anti-damage block; the access slope is located outside the anti-damage block; the access arc is in transition connection between the access slope and the anti-damage table; the anti-damage arc I is positioned on the inner side of the anti-damage block; the anti-damage arcs II are located on the two sides of the anti-damage block. According to the utility model, the drainage holes can be effectively prevented from being blocked by endangium, so that the following problems are avoided: the treatment effect is reduced or even interrupted due to sudden drop of drainage quantity, and the life of a patient is endangered; due to the fact that drainage holes are blocked by endangium, the endangium is injured due to the high pressure difference between intravascular equipment and extracorporeal equipment; endovascular injury generates thrombus which endangers the life of a patient.

A medical device for use in catheter application has a longitudinal axis and a capillary portion that is elongate coaxially to the longitudinal axis between a proximal capillary end and a distal capillary end. The capillary portion has a flexurally resilient design and a capillary outside diameter. A dilator portion, which is elongate coaxially to the longitudinal axis between a proximal dilator end and a distal dilator end axially adjoining the proximal capillary end, has a dimensionally stable design and a dilator outside diameter that is larger than the capillary outside diameter at least in sections. A lumen, which is elongate coaxially to the longitudinal axis continuously between the proximal dilator end and the distal capillary end through the dilator portion and the capillary portion, is configured for receiving a cannula.

The present application relates to a kind of nasal visualization sputum suction insertion system, belong to medical instrument technical field, solve the low success rate of insertion in prior art, sputum suction is not complete.The nasal visualization sputum suction insertion system includes: insertion tube, control module, display screen, elastic deformation structure, terminal sputum suction structure and miniature camera;The terminal sputum suction structure is provided with multiple sputum suction holes, and miniature camera is embeddedly installed;Display screen is arranged on the control module;The terminal sputum suction structure is communicated with one end of insertion tube by elastic deformation structure;The control module is used to control the bending of elastic deformation structure and then control the orientation adjustment of terminal sputum suction structure;The side of the insertion tube is provided with sputum suction tube interface capable of being connected with external negative pressure suction device.The present application realizes the visualized insertion of tracheal sputum suction tube, improves the success rate of intubation and the multi-angle adjustment of sputum suction direction, and can effectively suck off the sputum attached to tracheal wall.

The invention relates to an intubation bougie (10) comprising a body (11) and a distal portion (12) formed by at least three elastomer segments (121, 122, 123) with increasing flexibility from one end of said distal portion (12), which is integral with the body (11), to a free end of said distal portion (12) intended to enter the upper airways of a patient. These segments are preferably articulated to one another. A sheath (200) surrounding the segments (121, 122, 123) and a ball end (210) advantageously complement said distal portion (12). The invention also relates to a method for producing such an intubation bougie (10).

The embodiment of the invention discloses an air bag pressure control device, medical ventilation equipment and a control method of the medical ventilation equipment. In the process that a user uses the medical ventilation equipment to be connected with a trachea cannula to convey breathing gas to the trachea of a patient, an air bag of the trachea cannula is inflated or deflated through a pressure adjusting module of the air bag pressure control device; the pressure of the air bag is further adjusted, the pressure of the air bag is measured through the pressure monitoring module, the pressure adjusting module is controlled through the control module to adjust the air bag at different pressures, the air leakage amount determined by the medical ventilation equipment under different air bag pressures is obtained at the same time, and then analysis is conducted according to the change condition of at least two air leakage amounts. After the target pressure is determined, the pressure adjusting module can be controlled to adjust the pressure of the air bag according to the target pressure, so that the pressure of the air bag can be automatically adjusted to adapt to physiological differences of different patients, and more accurate, real-time and personalized air bag pressure management is realized.

The utility model belongs to the technical field of trachea cannula nursing, and particularly relates to an oral trachea cannula fixing device convenient for oral nursing. According to the technology, a horizontally-arranged fixing pipe is included, the outer side of the fixing pipe is sleeved with a freely-rotating vertical plate, the vertical plate is of an oval structure, tooth pads are arranged on the upper side and the lower side of the fixing pipe and fixed to the left side wall of the vertical plate, and fixing assemblies for fixing the fixing pipe in the mouth of a patient are arranged at the front end and the rear end of the vertical plate. The trachea cannula is fixed in the fixing tube, the trachea cannula is protected through the fixing tube, upper and lower teeth of a patient are manufactured through the two tooth pads, the vertical plate is fixed to the outer side of the oral cavity of the patient under the action of the fixing assembly, the vertical plate is rotated by 90 degrees, and the front end and the rear end of the long radius of the vertical plate are rotated to the horizontal state to abut against the upper and lower teeth of the patient. The upper end and the lower end of the short radius are rotated to a vertical state to expose the oral cavity of the patient, so that a doctor can conveniently nurse the oral cavity of the patient.

The invention relates to the technical field of medical instruments, in particular to a multi-channel oropharyngeal ventilation device for the anesthesiology department, the multi-channel oropharyngeal ventilation device for the anesthesiology department comprises a ventilation pipe, a functional pipe and a mounting plate, two through holes are symmetrically formed in the side face of the mounting plate, and the ventilation pipe and the functional pipe are arranged in parallel and movably connected to the inner walls of the through holes of the mounting plate respectively; the device further comprises a guide plate fixedly connected to the middle of the mounting plate, occlusion blocks are symmetrically connected to the two sides of the guide plate in a sliding mode, the occlusion blocks are used for being occluded and limited between the upper teeth and the lower teeth of a patient, and the ends, facing ventilation, of the occlusion blocks are arc-shaped end faces. Through the vent pipe and the functional pipe which are arranged in parallel, ventilation support and clinical drainage, dosing and other operations in an anesthesia state are achieved respectively, repeated intubation is avoided, the locking assembly is matched to automatically lock the vent pipe and the functional pipe at the target depth after the device is in place, a catheter is effectively prevented from sliding or dislocation in an operation, and the operation efficiency is improved. And the accuracy and the safety of medical operation are ensured.

The utility model discloses an artificial nose capable of preventing facial indentation, which comprises an artificial nose body, an air delivery pipe and an intubation tube, the air delivery pipe and the intubation tube are communicated with the input end and the output end of the artificial nose body, and a telescopic tube used for adjusting length and a steering tube used for adjusting orientation are additionally arranged between the intubation tube and the output end of the artificial nose body. The position of the artificial nose body can be adjusted through the telescopic pipe, so that the artificial nose body can avoid the face of a patient and can move to a bed surface on the outer side of the face of the patient, and due to the hardness of the material of the artificial nose body, the situation that a pipeline is blocked due to bending and the air conveying function is affected is avoided; the device can be matched with the telescopic pipe to move to an area which does not hinder operation of a doctor, and operation hindrance cannot be caused.

The invention provides integrated injection molding equipment for an anesthesia administration trachea cannula, and relates to the field of injection molding manufacturing. The integrated injection molding equipment comprises a portal frame, a transverse linear sliding rail is installed on a bottom frame of the portal frame, a first longitudinal linear sliding rail is installed on a vertical rod on the left side of the portal frame, and a first bidirectional linear sliding rail is installed on a sliding table of the first longitudinal linear sliding rail; a second bidirectional linear sliding rail is fixedly installed on the outer wall of a base of the first bidirectional linear sliding rail, a second longitudinal linear sliding rail is installed on a vertical rod on the right side of the portal frame, and a plurality of sets of linear sliding rails on the portal frame drive multiple molds so that injection molding of an air bag, a main pipe, a branch pipe and a connector can be integrally completed on the same equipment. Therefore, the problems of complex process and easy pollution in the prior art are solved.

The utility model belongs to the field of venous catheters, and provides an assembled venous catheter device which comprises a first communicating pipe and a second communicating pipe, the second communicating pipe comprises a cannula fixedly communicated with one end of the second communicating pipe, and the first communicating pipe is provided with a limiting assembly used for limiting the first communicating pipe on the second communicating pipe. A dredging assembly used for extruding the second communicating pipe is arranged on the surface of the second communicating pipe. According to the central venous catheter, the torsional spring can be driven to rotate by pinching the two rotating rods, so that the clamping blocks can be tilted, after the second communicating pipe is installed, the two rotating rods are loosened, the torsional spring is reset, the two clamping blocks are clamped in the two clamping grooves respectively, the effect of fixing the position of the second communicating pipe is achieved, and compared with an existing central venous catheter, the central venous catheter is convenient to use. According to the device, the effect of rapidly installing the first communicating pipe and the second communicating pipe can be achieved, the first communicating pipe and the second communicating pipe which are connected in an inserted mode can be limited through the clamping blocks and the clamping grooves, and the connecting stability of the first communicating pipe and the second communicating pipe is improved.

The utility model relates to medical supplies technical field discloses a disposable first -aid trachea puncture ware, including middle trachea cannula, the lower extreme of middle trachea cannula is provided with tail trachea cannula. The tail trachea cannula of conical structure in the utility model can satisfy the demand of different patient trachea size, need not to prepare multiple diameter size trachea incision cannula, has reduced the difficulty of medical staff management trachea incision cannula inventory work, and medical staff can be through shearing adjustment device length to adapt to the different needs of children and adult patients, need not to look for the trachea incision cannula of suitable size, has improved the rescue efficiency, and the front end gasbag and rear end gasbag are connected with the air cylinder through the front end pipe and rear end pipe respectively, is provided with gas supply structure on the air cylinder, and medical staff can realize the inflation and deflation of gasbag by pushing or pulling the push rod, need not to prepare gas supply equipment separately, and the operation is simple and quick.

The utility model provides a movable fixing device for a trachea cannula, and belongs to the technical field of medical treatment. The device mainly comprises a fixing plate, a clamping plate and a fixing structure, wherein the fixing structure is movably clamped between the fixing plate and the clamping plate; fixing belts are installed at the two ends of the fixing plate in the length direction, a first window is formed in the fixing plate, a connecting block is installed on the outer plate face of the fixing plate, and a clamping plate is rotationally connected into a connecting hole of the connecting block; a connecting rod is vertically installed on the outer plate face of the fixing plate, a pressing piece is arranged at the second end of the clamping plate in a protruding mode, a notch is formed in the pressing piece, when the pressing plate rotates towards one side of the fixing plate, the connecting rod is clamped in the notch, a fixing stud is connected to the connecting rod in a threaded mode, and when the lower end face of the fixing stud abuts against the upper end face of the pressing piece, the pressing piece is clamped in the notch. The lower end face of the pressing piece abuts against the outer plate face of the fixing plate. A second window is formed in the clamping plate, and the position of the second window is opposite to that of the first window; the trachea cannula can be fixed and prevented from slipping, and the trachea cannula can be conveniently moved towards the two sides of the oral cavity.