39 results about "Cannula Guide" patented technology

A tool set for preparing a joint, inserting an implant or removing an implant from a joint in an open or less invasive procedure generally comprises a set of nested tools, pin guides, jigs, and/or immobilization elements. The nested tool set comprises at least one pin and at least one cannulated tool. In some embodiments, the cannula can comprise tangs that project from the distal end of the cannula. The tangs can be offset such that drilling would remove different amounts of bone relative to drilling through a centered drill guide. The cannulated tool kit generally can comprise at least one tool guide/cannula, drill bits/reamer, syringe, and/or inserter. With the pin positioned into the joint, at least one cannula is positioned over and around the pin. The channel of the cannula guides the other tools into the joint. A plurality of cannulae in a nested arrangement can be used to afford selectively sized channels for tools and/or implants based on selected cannulae configuration. Jigs can be used to facilitate the procedure. Multiple implants can be placed to immobilize the joint.

A needle point protective device for hypodermic and intravenous needles, catheter introducers, and similar devices protects users from injury and infection. The needle point protective device includes a needle point guard that is slidably mounted within the needle handle. In use, the needle point guard is integral with a cannula guide that is engaged with the needle cannula with enough force to cause the needle cannula to be subject to spring tension when the needle point is retracted proximal to the needle point guard, the needle point springs downward and behind the needle point guard. In one embodiment, the needle point guard is held in position manually as the needle is retracted. In another embodiment, the needle point guard is held in place automatically as the needle is retracted.

A cannula guide device that can provide a secure and safe transfusion treatment is disclosed, comprising a cannula assembly and a needle assembly. The cannula assembly includes a cannula and a cannula holder, and the needle assembly includes a guide needle and a needle holder. The cannula guide device is characterized in that a rotary cannula arrangement is provided to steadily send the cannula relative to the guide needle toward a patient without generating a repulsive force on the needle holder to avoid pulling out the guide needle accidentally.

The invention provides a trachea cannula guiding device, and relates to the technical field of medical apparatuses and instruments. Carbon dioxide and images of a respiratory tract are detected through an image collecting module and a carbon dioxide sensor and sent to a controller, the controller generates position control parameters, a guiding core is controlled by a driving module to move so that the guiding core can be inserted into a trachea, a trachea cannula can be inserted into the trachea along the guiding core, after the trachea cannula is inserted into the trachea, an infrared sensorcan receive infrared light at the external throat part, the infrared sensor sends signals to the controller, the controller sends images, the carbon dioxide amount, position control parameters, a result whether or not the trachea cannula is inserted into the trachea and other data to a displayer to be displayed, and the result and the conduction situation can be viewed by a doctor conveniently. Accordingly, a doctor does not need to insert the cannula manually, and the requirement that a patient has restriction to open the mouth can be met; in addition, the mode is more intelligent, the influence generated to the patient when the operation of the doctor is not in place can be avoided, and the accuracy is high.

The present invention provides a cannula guide tube; and a kit with the cannula guide tube, a flexible transparent cannula or a transparent catheter with an inflatable balloon at the catheter end, and an exploratory device. The kit is for irrigation, suction and washing out purulent or liquid discharges from bacteria infected sinuses. First, the exploratory device is used to find the entrance orifice to a sinus; second, the cannula guide tube is positioned in the sinus orifice entrance; and third, the flexible transparent cannula or the transparent catheter is inserted through the cannula guide tube into the sinus. The flexible transparent cannula or transparent catheter is used to suction the purulent or liquid discharge and to irrigate and wash out the sinus. The cannula guide tube has an opening before the tube end, wherein the opening allows seeing the flexible transparent cannula or transparent catheter inside the tube and the flow of purulent or liquid discharge suctioned from the sinus, as the purulent discharge flows throughout the flexible transparent cannula or the transparent catheter.

The invention discloses a novel laryngoscopic lens, which comprises a laryngoscopic lens main body and a tongue depressor, wherein the tongue depressor is positioned at the upper part of the laryngoscopic lens main body and extends to the front end of the laryngoscopic lens main body to form a whole with the laryngoscopic lens main body; an elastic trachea cannula guide slot with an incompletely closed cavity is formed on one side of the laryngoscopic lens main body, and is of a turned up shape; and the cross section of the elastic trachea cannula guide slot is approximately U-shaped. Structurally, the elastic trachea cannula guide slot is provided to carry out the elastic match between different models of trachea cannulas for being convenient for operators to implement the trachea cannula; and in addition, after the trachea cannula is successful, the trachea cannula is easy to separate from the laryngoscopic lens from the opening at the upper part of the guide slot because of the elasticity of the guide slot. The trachea is more accurate to enter the glottis since a patient end of the trachea cannula guide slot is of the turned up shape. Furthermore, the trachea cannula guide slot adopts a sectional type, so that the frictional resistance surface of the trachea cannula and the guide slot is reduced, and at the same time, the difficulty in cleaning and disinfecting is reduced.

The invention relates to a urine drainage device capable of supplementing lubricant in real time. The urine drainage device capable of supplementing lubricant in real time comprises a head end, a middle section, a tail end and a lubricant injection device, wherein the middle section comprises a urine guide cannula and a hollow guide core which is built in the urine guide cannula; a built-in cannula guide head which is formed by the front end of the hollow guide core is arranged at the head of the cannula at the head end; the tail end comprises a cannula tail locking device and a hollow guide core tail locking device; the cannula guide head of the head end and the hollow guide core of the middle section are integrated into a whole body; a lubricant spray nozzle of the hollow guide core is arranged at the downstream of the head of the cannula and the upstream of the cannula guide head, or is arranged at the foremost end of the head end; at the tail end, the cannula tail locking device is detachably jointed with the tail of the middle section of the cannula; the hollow guide core tail locking device is firmly bonded with the tail of the hollow guide core; the tail of the hollow guide core is communicated with the lubricant injection device through the hollow guide core tail locking device. The urine drainage device capable of supplementing lubricant in real time has the advantages that the cannula resistance can be reduced and the damage to the inner wall of a urethra is reduced; the urine drainage device can easily pass through narrow and obstructed parts in the body of a patient; the moving direction and the moving angle of a catheter can be accurately controlled.

The invention discloses a visual trachea cannula guide core. The visual trachea cannula guide core comprises a hollow guide core body, a camera arranged at the front end of the guide core body, an image transmission cable connected with the camera and arranged in the guide core body, and a retractable device arranged at the back end of the guide core body. The visual trachea cannula guide core has the effect of shaping a trachea cannula guide catheter, the glottis can be observed, the trachea cannula catheter can be guided to pass the glottis of a patient, the process that the catheter enters the trachea can be observed, and a quick, reliable and assured guarantee can be provided for clinical anesthesia and trachea cannula technology for critically ill patients.

The invention relates to a disposable video laryngoscopic lens with tracheal cannula guide channel and airway surface anesthesia guide channel and an application method thereof, and applies to the field of medical instruments. The disposable video laryngoscopic lens comprises a bent tube for sleeving a video laryngoscopic lens and an arc cannula made of transparent material, the front end of the arc cannula is provided with an integrally formed seal plate, the upper portion of the arc cannula is provided with an arc guide tongue carrier sheet for carrying the tongue and for guidance, one side of the arc cannula is provided with a first guide channel for passage of a tracheal cannula, and the lower portion of the arc cannula is provided with a second guide channel for passage of a laryngotracheal anesthetic tube. The disposable video laryngoscopic lens can decrease pollution of the tracheal cannula by buccopharyngeal secretion during tracheal cannulation, and allows tracheal cannulation to be performed with no need for the assistance from a tube core; in addition, before oral tracheal cannulation, precise buccopharyngeal surface anesthesia of the laryngotracheal tube is facilitated, and operation is simpler and easier.

The invention relates to a noninvasive trachea cannula guiding device which comprises a trachea cannula. The noninvasive trachea cannula guiding device is characterized in that the device comprises a floating ball, an inflatable anchoring cuff and an inflating guide pipe in sequence, wherein the inflating guide pipe is connected with inflation equipment; the inflation equipment inflates air into the anchoring cuff through the inflating guide pipe; the anchoring cuff adopts a circular ring structure; and an air passage is sleeved outside the floating ball, the inflatable anchoring cuff and the inflating guide pipe. The noninvasive trachea cannula guiding device has the characteristics that through the natural air suction of the patients or the veil pressurizing ventilation, the floating ball can enter into the airway of the patients under the protection of the air passage; after reaching certain depth, the anchoring cuff is deformed into a ring-shaped airbag through the inflation by the inflating guide pipe; the anchoring function is realized; and the trachea cannula is guided to enter the air pipe after the positioning.

A catheter anchoring system, apparatus and method for securing a catheter to a patient's skin, having two flexible side members and a cross-member therebetween to which a retaining assembly is mounted. The retaining assembly may hold a catheter hub at an angle for patient comfort. Gripping tabs secure to each retaining assembly side are gripped while advancing a cannula guide needle into the patient's vein and while attaching the catheter hub to a medical accessory, such as intravenous (I.V.) tubing, for increased patient comfort, reduction of the risk in contamination and patient infection, and to more easily and quickly start an I.V.

The invention discloses a breathing guide trachea cannula guide wire and application thereof to a trachea cannula, and belongs to the technical field of medicinal instruments. The breathing guide trachea cannula guide wire comprises a shell, and a first channel used for injecting narcotic is formed in the shell in the axial direction; the first channel comprises a dosing end extending out of the shell; the dosing end is sleeved with a spray head which is in slide connection with the first channel; the periphery of the spray head is coated with a soft capsule used for storing the narcotic; thesoft capsule is communicated with the first channel through a first through hole formed in the spray head; the spray head is further provided with a second through hole for spraying the narcotic whena patient is in an inspiration state. By adopting the breathing guide trachea cannula guide wire, the problems that the existing trachea cannula guide wire cannot realize dosing and the process of introducing the guide wire into the airway in cooperation with the autonomous respiration of the patient, cannot control the dosage and has poor dosing effect are solved. The breathing guide trachea cannula guide wire has the advantages of capability of dosing and introducing the guide wire into the airway in cooperation with the autonomous respiration of the patient, and good dosing effect.

The invention relates to the technical field of medical instruments, and discloses an airflow carrying type trachea cannula guider. The airflow carrying type trachea cannula guider comprises a bottomplate; a vertically-arranged supporting column is installed at the top of the bottom plate; a top plate is installed at the top of the supporting column; the supporting column is sleeved with a lifting block in a sliding mode; a driving mechanism used for driving the lifting block to adjust the height is arranged between the bottom plate and the top plate; an inclined rod is installed on the lifting block; a swing rod is hinged to one end of the inclined rod; an adjusting mechanism used for adjusting an inclination angle of the swing rod is installed on the inclined rod; a guide block is hinged to one end of the swing rod; and a limiting mechanism for adjusting an inclination angle of the guide block is installed on the swing rod. According to the trachea cannula guider, driving insertionof a cannula is realized, manual operation is not needed, the cleanliness of the cannula is improved, the cannula guiding requirements of different heights and different angles are met, and a very good dustproof effect is achieved when the trachea cannula guider is not used.

The utility model provides a simple multifunctional intubation guide and protection device. The simple multifunctional intubation guide and protection device mainly comprises a respiration observing device, airflow filter devices, an operating passage, an airflow passage, an oxygen inhalation and humidification device, a sputum storage device, a base connector and an anti-backflow device forming a function set of the devices. The simple multifunctional intubation guide and protection device can have a function of blind tracheal intubation guide, a function of preventing chocking substances from being sprayed out from the source, sputum collection and storage and anti-backflow functions and heat preservation and moisture preservation functions, autonomous respiration of a patient can be observed visually, convenience is brought to oxygen inhalation of the patient with tracheal intubation, and an oxygen tube humidification and tube fixation function is realized. Therefore, the purpose of performing whole-course safety protection on an artificial airway from the source is achieved.

A single support type UBE operation channel establishing instrument comprises a supporting structure fixedly arranged on an operation bed or an exercise platform, and the supporting structure comprises two parallel arrangement rods; the supporting structure further comprises a plurality of supporting legs for supporting the setting rod; a channel building structure is arranged on each setting rod; the channel establishing structures are integrally connected through a connecting structure, the two channel establishing structures are each provided with a cannula guiding structure, the two cannula guiding structures can rotate on the channel establishing structures to adjust the angle, and the two cannula guiding structures guide a cannula to establish an operation channel on the same channel establishing plane. The channel building structure comprises a moving section combined with the setting rod and a setting section extending out of the moving section, and a sleeve guide structure is arranged on the setting section; and a rotating dial and a rotating pointer which are used for reading a rotating angle are arranged. Through the arrangement, the purposes that the angle of the sleeve guide structure is adjusted according to needs, and entering is conducted on one plane can be well achieved.

The invention discloses a trachea cannula guide wire, which comprises a handle, a metal tube matched with a trachea cannula and an auxiliary device convenient for a user to see a trachea orifice clearly, and the metal tube comprises a first linear part connected with the handle and a fine adjustment part capable of extending into the oral cavity of a patient along with the trachea cannula. The shape of the fine adjustment part is matched with the path from the oral cavity to the trachea orifice. According to the trachea cannula guide wire, the metal tube is used for replacing a traditional guide wire, due to the fact that the hardness of the metal tube is large, the guide wire body is not prone to deformation under the action of external force, and shaping is more stable; and due to the metal characteristic of the metal tube, the fine adjustment part can perform small-angle fine adjustment shaping to adapt to different patients, so that the anatomical structures of the patients are met to the greatest extent, and intubation operation is facilitated. Moreover, a plastic sheath on the surface of the original guide wire is removed, the metal tube can be directly disinfected in an alcohol wiping manner during use, the operation is simple and convenient, and the possibility that the trachea cannula is polluted is reduced.

The invention provides a visual multi-purpose cannula guide core. A micro-camera is movably connected to one end of a guide core, an LED (light-emitting diode) lamp strip is arranged around the micro-camera, the guide core has the effect of plasticity of a trachea cannula, the process of a cannula entering the trachea can be observed, and the micro-camera can be repeatedly used; the guide core is in thread connection with a pressure drug storage capsule, and the surface anesthesia which is conveniently operated by a single person can be realized; a centre controller and a GPRS (General Packet Radio Service ) module are arranged in the micro-camera, the connection and transmission of images in the intubation process can be realized, a more clear observation can be facilitated, a more clear view of an intubation doctor can be realized, a injury to a patient can be avoided, the labor intensity of a medical worker can be relieved, the one-time successful rate of intubation can be improved, meanwhile, the pain of the patient is relieved, and the visual multi-purpose cannula guide core is suitable for extensive popularization.

The invention relates to a construction method and application of a lung injury animal model, and the construction method comprises the following steps: fixing a mouse after anesthesia, exposing the glottis, inserting a trachea cannula suite into the trachea of the mouse, the trachea cannula suite comprises a hollow hose, and a cannula guide wire is arranged in the hollow hose in a penetrating manner; taking out the intubation guide wire in the trachea intubation kit, and placing the hollow hose in the trachea of the mouse; selecting a mouse with uniform breathing, adding the induction liquid into the hollow hose, if the induction liquid in the hollow hose fluctuates up and down along with the breathing of the mouse, taking down the hollow hose after the mouse inhales the required amount of induction liquid, and performing external chest compression to construct the lung injury animal model. The death rate of the obtained animal model in and after the operation is obviously reduced, and the spontaneous respiration is used for replacing the injection and nasal drop mode to ensure that the modeling medicine can better reach the lungs and is uniformly distributed on the lungs on the two sides, so that the adverse effect caused by the difference between groups of the model in the animal experiment is reduced.

The invention belongs to the field of medical equipment, and particularly relates to a visible bilateral-tube trachea cannula guide rod used for assisting in rescue. In order to solve the problems that when existing trachea cannulae are used, due to the fact that the interiors of the tracheae are not in contact with light, view screens are not sharp enough during video laryngoscopies, the positions of laryngoscopes are hard to observe from the outside, and blocking of intubation holes is easily caused during intubation, so that medicine injection and secretion clearing are inconvenient, the following scheme is proposed: the visible bilateral-tube trachea cannula guide rod used for assisting in rescue comprises a guide head, wherein a connection rod is fixedly installed on one side of the guide head, placement grooves are formed in both sides, close to each other, of the guide head and the connection rod, a connection groove is formed in the other side of the connection rod, an accumulator is arranged in the placement groove in the guide head, and a positioning board is fixedly installed on an inner wall of the placement groove in the connection rod. The visible bilateral-tube trachea cannula guide rod used for assisting in rescue is simple in structure and convenient to use, people can conveniently observe moving positions of cannulae, and isolated medicine injection can be conducted on the cannulae and the throats of people, so that use is facilitated for the people.