69 results about "Intubation" patented technology

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).

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 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.

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.

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

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.

In some embodiments, disclosed herein are systems and methods of treating a patient that can include the steps of accessing the sphenopalatine fossa, and cannulating the inferior orbital fissure from the sphenopalatine fossa to access the retro-orbital space. The sphenopalatine fossa can be accessed via various routes, including percutaneously. Accessing the sphenopalatine fossa can include the step of inserting a needle-catheter system into the sphenopalatine fossa. Integrated needle-catheter systems as described herein can also be configured to access the trigeminal ganglion, epidural space, intrathecal space, and other desired anatomical locations.

This invention provides a painless urinary catheterization kit, relating to the field of medical device technology, and solves the technical problem of extremely high pain and discomfort during the insertion and removal of urinary catheters in existing technologies, resulting in a very poor experience. The device includes an independent drug delivery catheter and a urinary catheter. The drug delivery catheter is used to administer medication into the urethra, and its diameter d ≤ 2 mm. The urinary catheter has a side hole on its side wall, and a drug delivery channel communicating with the side hole is provided inside the urinary catheter. This invention allows for the pre-injection of anesthetic drugs and lubricating fluid into the urethra via the drug delivery catheter, ensuring sufficient anesthesia and lubrication during catheter insertion, thereby reducing pain during insertion. Similarly, during catheter removal, the drug delivery channel and side hole can be used to pre-inject anesthetic drugs and lubricating fluid into the urethra, further reducing pain during removal.

This invention discloses an auxiliary device for catheterization in cardiovascular surgery, belonging to the field of medical device technology. It includes a housing with a through-hole for catheter passage and a cavity within the housing. Two rotating wheels are rotatably mounted within the cavity, clamping the catheter and moving it along the through-hole via counter-rotation. Gears are fixedly mounted on one side of each wheel, meshing with each other. One of the gears, the end furthest from the rotating wheel, is fixedly connected to a connecting shaft. A radial groove is formed within the connecting shaft, and a ratchet rack is slidably connected within the groove. A spring is fixedly connected between the ratchet rack and the bottom wall of the groove. A knob is rotatably connected to the outer wall of the housing, and a ratchet ring is fixedly mounted on the knob to engage with the ratchet rack. This invention limits the rotation speed applied by medical personnel to the knob, preventing excessive force that could cause the catheter to move too quickly, thus ensuring smooth catheter advancement.

The neck flange 3 of a tracheostomy tube is of a soft plastics such as silicone and has neck tie or suture openings 35 at opposite ends reinforced to prevent damage to the flange. The openings are reinforced by tubular inserts 38 of a harder plastics. The patient end of each insert has an enlarged, radially extending head 41 sitting flush in an enlarged recess 43 around the patient end of each opening. The opposite end of each insert also has an enlarged head 42 overlapping the flange but formed after the insert has been inserted in the flange. The opposite end head 42 may be heat formed from the end of the insert or may be a separate component clipped onto the end of the insert.

This invention discloses an intelligent enema device for elderly patients with incomplete intestinal obstruction, belonging to the field of medical device technology. It includes a collection box with a constant temperature control system on its inner wall, a U-shaped dispensing tube fixedly connected to the top, and an infusion tube fixedly connected to the outer wall of the dispensing tube. The top of the infusion tube is detachably connected to an insertion tube via a connector. A switching component is provided on the outer wall of the dispensing tube. The switching component enables rapid switching between single-tube infusion and gas delivery paths. The constant temperature control system ensures stable enema fluid temperature through multi-node temperature detection, precise PID adjustment, and an all-around insulation structure. It also features convenient assembly and disassembly, safety alarms, and other functions, reducing the complexity of medical operations and improving treatment efficiency and safety. It is suitable for clinical enema treatment of elderly patients with incomplete intestinal obstruction.

This invention relates to a cannulation device and manufacturing method for draining intestinal lymphatic fluid in small animals. The device includes a catheter and a guidewire. The catheter includes an insertion section and a drainage section, the outer and inner diameters of which are smaller than those of the drainage section. The guidewire can be inserted along the catheter, and its outer diameter is smaller than the inner diameter of the insertion section. The insertion tip of the guidewire is blunt and rounded, and the tail end of the guidewire is provided with a handle. By using the cannulation device of this invention, the problems of difficult catheter insertion and significant damage to the mesenteric lymphatic vessels during pretreatment in existing intestinal lymphatic fluid drainage cannulation techniques are solved, reducing the difficulty of surgical operation, shortening the operation time, reducing tissue damage, and improving the success rate of surgery.

A tracheal cannula is proposed, including a cannula tube and a cannula shield, wherein the cannula tube includes a tracheal end portion and a distal end portion. The distal end portion is formed in such a way that it has a superior face and an inferior face, arranged lying opposite thereto. The cannula shield has a cannula tube cutout, into which the distal end portion of the cannula tube is able to be arranged. The cannula shield has a rectilinear first portion, delimiting the cannula tube cutout, which first portion is assigned to the superior face of the distal end portion, and a rectilinear second portion, delimiting the cannula tube cutout, which second portion is assigned to the inferior face of the distal end portion. The cannula shield is arranged in a tiltable manner about a medial-lateral axis by a pivot bearing at the distal end portion.

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 application discloses a kind of hepatobiliary surgery clinical stone extraction device, more particularly in stone extraction device technical field, including the control box and support for hepatobiliary surgery clinical treatment, the control box one side is fixed with cannula, five cavities are set in the inside of cannula, the first cavity is internally provided with air hose, and the outer end of air hose is fixedly provided with three balloons.The application disperses the crushed stone fragments by air hose, and then makes the three balloons on the air hose expand, after the expansion of three balloons, the fragments dispersed in the pipeline can be separated, then the air hose and balloon are pulled to move, and the stone fragments are moved to be taken out, which can be taken out at one time, and can avoid the accumulation of stone fragments during the process of taking out, so as to increase the resistance of taking out.

This utility model discloses an auxiliary traction device for gastroscopy, relating to the field of medical auxiliary instruments. It includes an anterior oral plate, one end of which is fixedly connected to a connecting strap, and the other end of which has an adhesive structure for fixing the end of the connecting strap. A tube-penetrating hole is formed through the middle of the anterior oral plate, and a U-shaped groove is formed on the lower side of the tube-penetrating hole. A supporting structure drives the outer side of a tongue depressor to rotate upwards, and under the action of leverage, the other end of the tongue depressor presses down on the tongue surface. The endoscope tube is then inserted into the esophagus through the tube-penetrating hole. After the lens of the endoscope tube is moved to the lesion site, a U-shaped sleeve is pressed down. During the downward rotation of the U-shaped sleeve, two linkage arms are squeezed closer together. At this time, two arc-shaped clamps hold the endoscope tube on both sides. During insertion, the clamping and fixing prevents the arms from being held up for a long time, facilitating subsequent stable operation by medical personnel and improving practicality.

1. The name of the design product: hemostatic cap. 2. The use of the design product: used for detachable fixed connection of the guide and the cannula, and sealing the guide to prevent blood leakage during the process of percutaneous insertion of the cannula into the blood vessel of the patient. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1. 5. The top view and the bottom view are the same as the front view, and the top view and the bottom view are omitted. 6. Other circumstances that need to be explained Other explanations: the use state reference figure shows the use state of the product connected between the guide and the cannula.

Disclosed is a packaging device for a catheter pump, comprising a blister box with a substantially flat box bottom surface, a first boss arranged in the blister box. The upper end of the first boss is concave downward to form a first groove for embedding a cannula, the depth of the first groove gradually decreases in the direction from the proximal end to the distal end. When the catheter pump is in a packaged state with the cannula embedded in the first groove, the proximal straight section of the cannula and the distal section of the catheter are coaxial and substantially parallel to the box bottom surface, and the distal straight section of the cannula is obliquely tilted upward.

The utility model provides a duodenum papilla dilatation balloon catheter with pressure measurement function, including outer sheath, combination and a plurality of branch pipes, the outer sheath includes drainage pipe section I, drainage pipe section II and drainage pipe section III connected in proper order from head to tail, the surface of drainage pipe section II is wrapped double -deck cylindrical dilatation film, double -deck cylindrical dilatation film includes inner layer film and outer layer film, and the outer layer film is equipped with opening, and the opening is equipped with pressure sensor, the combination is connected with the tail end of drainage pipe section III, and a plurality of branch pipes are connected with the combination, the utility model can be under the assistance of guide wire and carry out common bile duct or pancreatic duct intubation, can detect the pressure between balloon and duodenum papilla sphincter while dilating duodenum papilla sphincter, and the size of papilla dilatation is determined through pressure value, avoids the incidence of complications such as papilla sphincter laceration hemorrhage, bile leakage, intestinal bile reflux etc.

Some embodiments of a medical system include a catheter device, such as an intravenous cannula device, having an external anchor device and a subcutaneous anchor device to secure a distally extending cannula of the device in a selected position relative to a skin penetration point.

The utility model discloses a kind of gastric tube assemblies with expansion dispersion end pressure, including gastric tube body, gastric tube body includes extracorporeal section and insertion section, the end of insertion section is provided with inflatable balloon, multiple liquid outlets are distributed around the outside of balloon wall of inflatable balloon, the inner cavity of gastric tube body is additionally provided with auxiliary intubation, auxiliary intubation end is provided with PH detection head, PH detection head is spherical structure, and clearance fit between auxiliary intubation and gastric tube body;The utility model is provided with inflatable balloon in the insertion section of gastric tube body, the surface of inflatable balloon is provided with multiple liquid outlets, when medicine is injected from the medicine injection head of extracorporeal section of gastric tube body, injection pressure promotes inflatable balloon to expand, and liquid medicine flows from multiple liquid outlets, the design can increase the injection area of liquid, disperse pressure, meanwhile, inflatable balloon can isolate gastric tube body insertion section and gastric mucosa, avoid insertion section end and gastric mucosa direct contact to produce local pressure concentration phenomenon.

This invention relates to a special device for coating catheters, comprising a circulating conveying mechanism including a conveyor belt rotating in a ring, with multiple clamps for holding and fixing the catheters fixed on the conveyor belt by a fixing component; a driving component for driving the conveyor belt to rotate; a guide rail for guiding the clamps to move with the conveyor belt, the clamps being slidably connected to the guide rail via a guiding component and moving along the guide rail; and an automatic coating mechanism including: a feeding component, with a through hole at the bottom of the catheter for supplying coating liquid into the catheter, the feeding component pumping the coating liquid into the catheter from the through hole at the bottom of the catheter; a connecting component for connecting the feeding component and the catheter at the connection point and sealing it; and a storage component located at the opening at the top of the catheter for storing coating liquid overflowing from the top of the catheter, the storage component including an accumulator and a connecting pipe, the accumulator being connected to the opening at the top of the catheter via the connecting pipe. This application can improve coating efficiency.

A method for designing a cannula for a patient, wherein a processing unit is configured to implement following steps:a) generating a 2D or 3D numerical representation of the trachea of the patient in at least one position,b) identifying a set of anatomical landmarks,c) considering a 2D or 3D numerical representation of a cannula based at least on the landmarks,d) numerically simulating all or a part of an insertion of the cannula into the trachea,e) estimating at least one reciprocal conflict metric between the cannula and the trachea during the insertion,f) changing the cannula when the estimated conflict metric do not meet predetermined conflict criterion, and iterating at least one of the preceding steps until a cannula is found for which the estimated conflict metric meets the predetermined conflict criterion.

The application provides a kind of bionic uterus device for super premature infant, belong to medical instrument technical field;Including capsule, connecting pipe spare and support mechanism, the support mechanism is used to bear capsule, the connecting pipe spare includes first pipe bundle and second pipe bundle, one end of the first pipe bundle is connected with extracorporeal circulation system, one end of the second pipe bundle is connected with fetal umbilical artery and vein intubation, the capsule is fixedly connected with the inside separating membrane, the separating membrane divides the capsule into dry area and wet area, the fetal placement end is provided on the surface of the capsule in the wet area region, the application realizes the efficient and safe connection of the first pipe bundle and the second pipe bundle in the closed environment through the split connecting pipe spare, dry and wet partition design and multiple elastic sealing mechanism, provides an extracorporeal development support system highly simulating maternal environment for super premature infant, significantly improves the success rate and safety of treatment.

The utility model relates to a kind of extracorporeal circulation venous intubation kits, including venous intubation, the venous intubation has hollow drainage cavity, is divided into front section, middle section and rear section, wherein the diameter of front section is less than the diameter of rear section, the middle section is transition section and is conical, the front section is equipped with support part, the support part is enclosed by several support strips, spacing is equipped between each support strip, the middle part of front section tip is drainage hole one, support steel wire is equipped in the venous intubation, thread tooth is equipped around the head of rear section, venous intubation is connected with guide core cover through connecting piece, guide wire passes through guide core, and venous intubation is guided into blood vessel by guide wire, the utility model structure is simple, can effectively prevent that venous intubation because patient blood volume is insufficient and the effect of exerting negative pressure leads to that the blood flow hole of venous intubation is wrapped, blocked by blood vessel inner wall, influence the effect of venous drainage.