181 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 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.

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 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.

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 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 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.

This disclosure relates to a needle safety device (1) for a medical device, particularly for a medical injection device (100), the needle safety device (1) comprising: a hub portion (10) defining a longitudinal axis (11), wherein the hub portion (10) includes a cannula (12) extending substantially along the longitudinal axis (11) from the hub portion (10) and a carrier element (60) disposed on the cannula (12), wherein the cannula (12) and the carrier element (60) are configured to move together with respect to the hub portion (10) along the longitudinal axis (11); and a tubular arrangement (20) movably disposed on the hub portion (10) along the longitudinal axis (11). The tubular arrangement (20) is movable relative to the hub portion (10), wherein the tubular arrangement (20) is configured to move between at least an initial position (24) and an injection position (25), wherein in the injection position, the proximal end (12b) of the cannula (12) is configured to protrude through the septum (50) of the medical device, such that the cannula (12) is in fluid communication with the reservoir of the medical device, wherein the tubular arrangement (20) includes a coupling device (35) configured to engage with the carrier element (60) such that when the tubular arrangement (20) moves from the injection position (25) to the initial position (24), the proximal end (12b) of the cannula (12) is configured to be removed from the septum (50).

A tracheostomy tube includes a dislodgement sensor-based system operable to detect partial and / or full-decannulation and resulting disruption to a person's airway. The tube's system provides an alert to a caregiver so that the caregiver can respond immediately, contemporaneously with a dislodgement event, and act to restore the person's airway, and avoid asphyxiation. The system includes a sensor operable to sense a vital sign of a person or a separation of the neck plate from a position abutting the person's neck, to detect a dislodgement state. The system may include a controller operatively connected to the sensor. The controller is configured to detect the dislodgement state as a function of data received from the sensor. In response to a dislodgement event, the caregiver may be alerted by an alarm device of the sensor-based system, or by another device for alerting the caregiver that is signaled by the tube's sensor-based system.

The invention relates to the technical field of medical instruments, and provides an arterial cannula for VA-ECMO, a preparation method and a VA-ECMO system comprising the arterial cannula, the arterial cannula comprises a catheter provided with a liquid guide cavity, the catheter is connected with a guide conical head, a supporting spring is sleeved with the catheter, and a plurality of metal rings are arranged in the middle of the supporting spring close to the end of the guide conical head at intervals; at least one liquid outlet hole is formed in each metal ring and the side wall, corresponding to the metal pipe, of the guide pipe; a sealing plug is arranged between the guide conical head and the end of the supporting spring, the guide wire can pass through the sealing plug, and blood cannot pass through the sealing plug. The multiple metal rings are arranged in the middle of the supporting spring close to the guide conical head end at intervals, the rigidity of the position, provided with the liquid outlet hole, of the catheter is improved through the metal rings, and then machining of the liquid outlet hole of the catheter is facilitated; the supporting spring and the developing metal ring are matched to ensure that the outer-layer tube does not collapse during thermal shrinkage, and meanwhile the clinical usability of the arterial cannula is met.

The invention relates to a throat natural cavity operation platform, and belongs to the technical field of medical instruments, the throat natural cavity operation platform comprises an operation table, a support frame, a lower support mechanism and a bendable throat cannula, the two ends of the operation table in the width direction are the front end and the rear end respectively, a patient sits in front of the operation table through a seat, and a doctor sits behind the operation table through the seat; the support frame is fixed on the table top close to the front part of the operating table; the lower support mechanism comprises an electric push rod and a lower jaw support; the electric push rod is fixed on the support frame and a telescopic end thereof reciprocates along the height direction of the support frame; the supporting frame is fixed to the telescopic end of the electric push rod. The throat cannula is located above the rear portion of the lower jaw support and fixed to the supporting frame. A traditional throat cavity operation platform structure is subverted, a sitting type operation is adopted to replace a horizontal type operation, the throat operation of local anesthesia can be implemented, the worry of a patient is reduced, the operation convenience of a doctor can be improved, the treatment effect is improved, and the medical cost is reduced.

Some embodiments of a medical system include a subcutaneous anchor device that extends outwardly from side wall of an intravenous cannula so as to secure the intravenous cannula in a position relative to a skin penetration point.

The application discloses a gastric lavage device used after pesticide poisoning and relates to the technical field of medical machinery, which comprises a gastric tube, a flushing pipe and a suction pipe which are coaxially arranged, a tip arranged at the top end of the suction pipe, a miniature camera arranged on the tip, and an arc surface arranged on the sidewall of the suction pipe and corresponding to a liquid outlet arranged on the flushing pipe so that the liquid outlet is directed to the arc surface. The gastric lavage device can adjust the flushing pressure steplessly from weak to strong, overcomes the technical defects of traditional gastric lavage devices which can only change the flushing strength by adjusting the pump pressure, medical staff can adjust the extension of the suction pipe in real time according to the gastric conditions observed by the camera, and select appropriate flushing modes, so that the gastric lavage device can not only avoid the stimulation of high-pressure flushing to patients when the tube is initially inserted, but also provide sufficient flushing force when wall-attached residues need to be cleaned.

The utility model discloses a nephrology department hemodialysis clinical cannula which comprises a clamping plate, the outer surface of the clamping plate is in threaded connection with a fastening bolt, an adjusting column is arranged on the right side of the clamping plate, the clamping plate is connected with the adjusting column through a universal joint, the outer surface of the adjusting column is in threaded connection with a fixing bolt, and the fixing bolt is arranged on the right side of the clamping plate. And the bottom end of the fixing bolt makes contact with the outer surface of the universal joint, and an adjusting fixing assembly is installed in the adjusting column. According to the hemodialysis clinical cannula for the nephrology department, through cooperative arrangement of the clamping plate, the fastening bolt, the adjusting column, the universal joint, the fixing bolt and the adjusting and fixing assembly, the adjusting and fixing assembly can not only fix and clamp a catheter, but also adjust the position of the moving block according to the actual situation, and therefore normal use of the subsequent catheter can be guaranteed; therefore, knotting is avoided, and personal safety of a patient is not harmed.

The application relates to the field of medical devices, in particular to a tracheal cannula end balloon, a preparation method thereof and a tracheal cannula. The tracheal cannula end balloon comprises a balloon body and a double-layer structure arranged on the surface of the balloon body, and the double-layer structure comprises a first nanofiber membrane and a second nanofiber membrane; the first nanofiber membrane comprises a first matrix material and paclitaxel, and the first matrix material comprises polyethylene glycol and polycaprolactone; the second nanofiber membrane comprises a second matrix material and ropivacaine, and the second matrix material comprises polyethylene glycol and polyvinylpyrrolidone. In the application, the double-layer structure design realizes layered release of the drugs, the outer-layer drugs rapidly relieve pain and inflammation, and the inner-layer drugs continuously inhibit cell proliferation, so that the problems caused by the tracheal cannula end balloon are comprehensively solved.

The application discloses a foldable intubation positioning auxiliary device for a pediatric anesthesia department, which comprises a bite plate in an arc shape, a tongue depressor is connected to the side wall of the bite plate through a rotary limiting device, the front end of the tongue depressor is arranged in a downward bending shape, a piezoelectric ceramic sheet is fixedly connected to the bottom side of the front end of the tongue depressor, an intubation opening is formed in the middle part of the bite plate and is arranged in a penetrating mode, a rotating wheel is rotatably connected to the intubation opening, a pressing block is connected to one side of the intubation opening through an elastic pressing device, and one side of the pressing block is close to the rotating wheel. The piezoelectric ceramic sheet is stimulated to vibrate at low intensity to stimulate the laryngeal muscles of a child during intubation by using a mild physical stimulation mode, the glottis is naturally opened, the precision, safety and convenience of intubation operation are improved, and the device is especially suitable for obese children patients with difficulty in glottis exposure.

An assembly for insertion of a medical instrument to a remote worksite includes a cannula tube comprising a cannula tube proximal end opening, a cannula tube distal end opening, and a cannula tube passage connecting the cannula tube proximal end opening and the cannula tube distal end opening. The cannula tube passage defines a first longitudinal axis. The assembly also includes a bushing removably engageable with the cannula tube and configured, in an engaged state with the cannula tube, to be held in a fixed position within a portion of the cannula tube passage. The bushing comprises a bushing proximal end opening, a bushing distal end opening, and a bushing passage connecting the bushing proximal end opening and the bushing distal end opening. The bushing passage defines a second longitudinal axis and is configured to receive a shaft of a medical instrument inserted through the cannula tube.

The utility model belongs to the technical field of medical instruments, and particularly relates to an airway humidifier which comprises a humidifier main machine and an airway connecting cover body, a connecting pipeline set is arranged between the humidifier main machine and the airway connecting cover body, and connecting pieces are fixedly connected to the two sides of the airway connecting cover body. Wherein one connecting piece is detachably connected with a fixing belt, one end of the fixing belt is fixedly connected with a guide plate, the guide plate is formed by combining a protective layer and a folding plate, and the other end of the fixing belt is fixedly connected with a connecting ring. When a patient is subjected to airway humidification, the airway connecting cover body can be quickly fixed at one end of the airway cannula, and medical personnel do not need to lift the head and the neck of the patient for operation, so that the airway cannula is prevented from moving in the process of moving the patient, and potential safety hazards caused by moving the patient are reduced; the speed of connecting the cannula and the airway connecting cover body is increased, the difficulty is reduced, and medical staff can operate conveniently.

The present invention provides a portable ventilator suitable for cardiopulmonary resuscitation (CPR) and a control method thereof. According to the present invention, the number of external chest compressions in a CPR process can be automatically recognized on the basis of reverse airflow, and a compression period and a relaxation period can be determined. The portable ventilator has an automatic 30:2 ventilation mode suitable for non-intubated patients and a variable-volume ventilation mode suitable for patients with advanced airways. The present invention can improve the efficiency of first aid and avoid barotrauma, is suitable for the first aid during CPR, and can achieve precise flow control.

The breathing exercise device for the tracheotomy patient comprises an intubation tube (1), an oxygen inlet (2) and an air inlet (3) are formed in the two sides of the lower portion of the intubation tube (1) respectively, an exhaust port (4) is formed in the upper portion of the intubation tube (1), and a resistance balloon (5) is arranged at the top of the intubation tube (1). The air inlet (3) is provided with a first one-way valve (6) which is communicated with the interior of the intubation tube (1) from outside to inside; the exhaust port (4) is provided with a second one-way valve (7) which is communicated from inside to outside of the intubation tube (1); the oxygen channel is arranged, so that the hypoxia condition is avoided, enough resistance is formed through the closed resistance balloon, the exercise effect is further reflected through the expansion size, and the rehabilitation device has the advantages of being good in rehabilitation effect and reliability.

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.

FIELD: ophthalmology.SUBSTANCE: used to remove residual cortical masses that have migrated to the equatorial region after cataract extraction (CE) in patients after keratoprosthetics. To do this, the optical cylinder of the keratoprosthesis is unscrewed using a key. Residual cortical masses are visualized through the opening of the optical cylinder (OOC) and removed using a Simcoe cannula or a straight cannula with a flat tip mounted on a 10 ml syringe. The optical cylinder is screwed back in using a key.EFFECT: invention reduces the risk of developing intra- and postoperative complications and accelerates visual rehabilitation of patients by reducing the time of surgical intervention and without performing additional approaches.1 cl, 1 ex

The utility model discloses a nerve monitoring trachea cannula, which belongs to the technical field of medical instruments and comprises a cannula body and a circuit system, and an exposed area is circumferentially arranged on the side wall of the front end of the cannula body; the circuit system comprises a conductive material arranged along the inner wall of the cannula body and a connecting cable arranged outside the cannula body and connected with the conductive material, and a far-end plug of the connecting cable is connected with the nerve monitor; the conductive material forms a contact electrode in contact with the vocal cord on the outer surface of the cannula body in the exposed area of the cannula body, and the contact electrode has a larger contact area than the conductive material. The contact electrode with excellent performance has a larger contact area, so that the contact capacity of the contact electrode and intralaryngeal muscles is improved, the problem that contact is poor or equipment cannot recognize due to larger resistance after contact is solved, the operation difficulty is reduced, the operation time is shortened, and the operation efficiency is improved. The probability of injuring nerves of a patient by an operation is reduced.

A catheter system comprising: a catheter adapter; a catheter extending distally from the catheter adapter; an extension tube extending from the catheter adapter; a needle assembly comprising a needle hub and an introducer needle, wherein a proximal end of the introducer needle is secured within the needle hub; a Y-adapter having a distal end, a first arm, and a second arm, wherein the distal end of the Y-adapter is coupled to the extension tube; a needleless connector coupled to the second arm and comprising a compression seal; and a vent cap coupled to the needleless connector and comprising a vent path and a gas permeable barrier within the vent path, wherein in response to movement of the vent cap from an unactuated position to a depressed position, the compression seal is compressed by the vent cap to allow fluid to pass through the vent path.