68 results about "Ventricular drainage" patented technology

A ventricular catheter includes an external ventricular drainage (EVD) catheter and has at least one conduit formed in the wall of the EVD catheter. The conduit opens at a side port of the wall at an angle to the EVD catheter. The side port is formed in the wall to allow a probe to be extended from the conduit at the angle into brain tissue that is not altered by the insertion of the EVD catheter. The ventricular catheter has an oval shape to minimize the total cross-sectional area while still allowing the necessary number of conduits.

The invention provides a device capable of automatically controlling drainage volume which can be connected to wound or body cavity effusion drainage tubes such as urinary vessels, abdominal dropsy drainage tubes, closed thoracic drainage tubes, pericardial catheter drainage tubes, ventricular drainage tubes, T drainage tubes, and fistula drainage tubes to realize draining and flushing and especially for the condition that there may be leakage of cerebrospinal of spinal postoperation incision. By means of the automatic drainage volume control device, the drainage tubes can be automatically clipped and closed after the preset drainage volume is reached; at the same time, the negative pressure of the drainage device can be regulated and monitored to realize accurate drainage to avoid complications due to excessive or insufficient drainage and be helpful for the healing of wounds.

A luer connector is described that is angled away from the patient's scalp in the direction of the drip assembly line. In the preferred embodiment, the luer connector has a female luer connector that mates with a male luer connector on the drip assembly line. The luer connector also has a hollow protrusion that extends into a catheter thereby allowing the luer connector to be fluidly connected to the catheter. A fluid passage is formed through the angled luer connector from the female luer connector, through the body of the angled luer connector and through the hollow protrusion. The luer connector has a pair of “wings” that extend outwardly from the luer connector and allow the luer connector to be sutured to the patient's scalp.

A shunt includes a housing having an inlet, an outlet and a flow control mechanism disposed within the housing. A ventricular catheter is connected to the inlet of the housing. The catheter has a longitudinal length, a proximal end, a distal end, and an inner lumen extending therethrough. The inner lumen of the catheter includes at least two lumens at the distal end and has only one lumen at the proximal end. The catheter has one slit and aperture corresponding to each of the at least two lumens located at the distal end of the catheter.

The invention provides a medical external ventricular drainage tube fixing support. A supporting plate is connected to a bedside clamp which can be fixed on a sickbed bedside for use. A height locating plate capable of being adjusted up and down is installed on the supporting plate, a hook capable of being adjusted up and down is arranged on the height locating plate, an extensible locating rod used for locating is arranged on the lower portion of the height locating plate, correspondingly-coincident strip holes are formed in the middle of the installed height locating plate and the middle of the supporting plate, the tail of the hook is inserted inside the strip hole to be adjusted up and down and fixed through an adjustment nut, and a height indicating layer used for up-and-down height adjustment of the hook and location is arranged on the height locating plate. When the medical external ventricular drainage tube fixing support is used, the medical external ventricular drainage tube fixing support can be overall fixed on the sickbed bedside through the bedside clamp, after the standard position of the medical external ventricular drainage tube fixing support relative to the head of a patient is determined through the extensible locating rod, the hook is adjusted to be at the proper height and fixed through fastening of the adjustment nut, an external ventricular drainage tube used for the patient can be hung on the hook, and due to the fact that the height of the hook and the whole use height are adjustable, the external ventricular drainage tube can be conveniently fixed and used.

The invention relates to the field of medical devices, in particular to a ventricular drainage fixture. The ventricular drainage fixture comprises a base, a connecting rod, a sleeve, a first pneumaticcylinder, a telescopic rod, a second pneumatic cylinder, a camera, an alarm, and a controller, wherein the connecting rod is arranged on the base, a first sliding rail is arranged on the connecting rod, a first sliding block is arranged on the first sliding rail, the first sliding block is connected with the first pneumatic cylinder,the sleeve sleeves the connecting rod and is connected with thefirst sliding block, the sleeve is provided with a markline and a second sliding rail, the zero mark line is located at the lower end of the sleeve, one end of the telescopic rod is vertically connected to the zero mark line on the sleeve; a second sliding block is arranged on the second sliding rail, a first hook is arranged on the second sliding rail, the second sliding block is connected with the second pneumatic cylinder, and the first pneumatic cylinder, the second pneumatic cylinder, the camera, and the alarm are all connected with the controller. The invention aims to solve the problemsthat the functionality of the existing ventricular drainage fixture is not high and the medical staff feels inconvenient to adjust the zero position of the existing ventricular drainage fixture.

The invention relates to an improved external ventricular drainage tube. A pressure sensor, a drainage side hole area and scales are arranged at the front section of the external ventricular drainage, wherein a small hole is formed in the middle section of the drainage tube, the outer side of the small hole is coated with a movable rubber sleeve, a metal support rod is arranged in the drainage tube, and a monitoring port is formed in the tail end of the drainage tube and connected with the pressure sensor through a monitoring port connecting line. The drainage tube has the advantages as follows: the pressure sensor is arranged at the front end of the drainage tube and can monitor the intracranial pressure of a patient in real time; a developing material is arranged in the drainage side hole area at the front section of the drainage tube, can develop under CT (computed tomography) and facilitates clinical observation of the specific position of the drainage side hole area and judgment of the drainage effect; by means of the metal support rod in the drainage tube, the outer layer of the drainage tube can be placed in a ventricle conveniently in a puncture manner; the metal support rod can be pulled out of the small hole in the middle section of the drainage tube, and leakage from the side wall of the drainage tube and retrograde infection after pulling out of the support rod can be effectively avoided.

The invention discloses a ventricular drainage positioning stent which comprises an L-shaped positioning mechanism, a guide post and a fixing mechanism, wherein the fixing mechanism is used for fixingthe guide post on the bed edge of a hospital bed; the L-shaped positioning mechanism comprises a positioning rod A and a positioning rod B; a guide hole is vertically formed in the position, which isclose to the first end of the positioning rod A, of the bottom wall of the positioning rod A; the guide post penetrates through the guide hole, and the lower end of the guide post is connected with the fixing mechanism; a locking bolt A is arranged at the position, which is close to the first end of the positioning rod A, of the side wall of the positioning rod A; scale marks from 0cm to 15cm bytaking centimeter as the unit are arranged on the outer wall of the positioning rod B from bottom to top; the 0cm scale mark arranged on the outer wall of the positioning rod B is flush with the top wall of the positioning rod A; and when the locking bolt A is loosened, the height of the positioning rod A is adjustable, so that the height of the L-shaped positioning mechanism is adjustable. The ventricular drainage positioning stent has the effects that the positioning accuracy at the lowest point of the external auditory canal of a patient and positioning accuracy of the highest drainage position of a drainage tube can be ensured, and related nursing operation of ventricular drainage of the patient can be conveniently and rapidly performed, so that the ventricular drainage positioning stent disclosed by the invention is high in practicality and excellent in using effect.

The invention relates to an adjustable external ventricular drainage device fixing frame. The fixing frame comprises a fixed box, a height adjusting rod and an angle adjusting rod, wherein a groove isformed in one side of the fixed box; the locking screw penetrates through the fixed box and extends into the groove; the locking screw is in threaded fit with the fixed box; a gear cavity is furtherformed in the fixed box; gear is arranged in the gear cavity, the gear is connected with a height adjusting knob arranged outside the fixed box through a rotating shaft; a rack is arranged on one sideof the height adjusting rod; the height adjusting rod penetrates through the fixing box and a rack on the height adjusting rod to be matched with the gear, a rotating shaft is arranged at one end ofthe height adjusting rod and penetrates through the head of the height adjusting rod, an angle adjusting knob is arranged at one end of the rotating shaft, the other end of the rotating shaft is connected with the end of the angle adjusting rod, and a hook is arranged on the angle adjusting rod. The fixing device is used for fixing and supporting the external ventricular drainage tube and the drainage device, the height and angle can be adjusted at will, it can be guaranteed that the relative position of the drainage device and the head is fixed, and operation is convenient.

The invention discloses a disposable three-way drainage bag which comprises a drainage nut, a medical three-way joint and a drainage bag. A first joint of the medical three-way joint is movably sleeved with the drainage nut, a limiting boss for limiting disengagement of the drainage nut is arranged at the first joint, the drainage nut is matched with a central venous catheter, a pigtail drainage tube or an external ventricular drainage tube through threads, and on the condition that the drainage nut and the drainage joint are connected together, the first joint is inserted into the drainage joint; the medical three-way joint is further provided with a second joint and a third joint, an isolation nut is arranged on the second joint, and the third joint is connected with the drainage bag through a pipeline. By arranging the medical three-way joint for conversion between the existing drainage bag and the drainage tube, due to the medical three-way joint, a user can achieve lock between the drainage tube and the drainage bag, sufficient drainage is achieved, drainage after catheterization, washing and drug injection are facilitated, reverse flow of drainage liquid is avoided, and infections are effectively avoided.

The invention discloses a visible cerebral ventricle and subdural external drainage system. The visible cerebral ventricle and subdural external drainage system comprises a visible cerebral ventricle puncture system and a drainage system. The visible cerebral ventricle puncture system comprises a visible puncture guiding core, and LED light sources and a miniature camera are coaxially arranged at the intracranial end of the visible puncture guiding core. The wall of a puncture sheath is see-through, and millimeter scales are arranged on the outer wall of the puncture sheath. The visible cerebral ventricle and subdural external drainage system has the remarkable advantages that as the miniature camera can be connected to one end of the visible puncture guiding core, and a monitor is connected to the other end of the visible puncture guiding core, cerebral puncture is completely performed in a direct-viewing mode, precision is improved, and it is avoided that due to operation based on a rule of thumb, the cerebral tissue is damaged, or cerebral hemorrhage occurs. As miniature vanes (fixing clamps) are arranged at the position distant from the cerebral ventricle by 10 cm-15 cm and used for fixing a drainage tube at the incised skin, the defect that a drainage tube used for the current clinic is simply bound and fixed through threads is overcome.

The invention discloses a multifunctional brain postoperation drainage device suspension bracket which comprises an infusion bottle hook fixing sleeve, a stainless steel tube, adjusting fixing sleevesand a movable sleeve, wherein the top of the stainless steel tube is fixedly sleeved with the infusion bottle hook fixing sleeve, an infusion bottle hook seat is fixedly glued to the top of the infusion bottle hook fixing sleeve, four mounting grooves are uniformly formed in the periphery of the infusion bottle hook seat which is located in the mounting grooves, and infusion bottle hooks are rotationally mounted on the infusion bottle hook seat by a rotation shaft. According to the multifunctional brain postoperation drainage device suspension bracket, the movable sleeve is fixedly mounted onthe outside of the stainless steel tube by a fastening screw, so that the movable sleeve can be fixed in the required position, the outside of the movable sleeve is fixedly sleeved with the adjustingfixing sleeves, the hooks are fixedly mounted on the side surfaces of the adjusting fixing sleeves by screw spikes, and drainage bags can be hanged on the hooks when external ventricular drainage isperformed to a patient, so that the drainage bags can be exposed fully, and a doctor can observe the amounts and the properties of the liquids in the drainage bags.

The invention discloses a ventricular drainage control device capable of stably fixing and clamping a drainage tube. The ventricular drainage control device comprises a shell, a guide part, an extrusion rod and a limiting rod, wherein the guide part is arranged on the shell and used for drawing a ventricular drainage tube on the shell between the two ends of the guide part; the extrusion rod movably stretches and retracts on the shell, and after a movable end of the extrusion rod extends out of the shell, the ventricular drainage tube between the two ends of the guide part is extruded; one endof the limiting rod is hinged to the shell through a hinged piece, and the rod body of the limiting rod can rotate on the surface of the shell around the hinged piece; and the limiting rod is fastened on the shell through a fastening piece, and the fastened rod body spans the ventricular drainage tube extruded by the extrusion rod.

The invention discloses a pressure control device for a ventricle drainage tube, which comprises a ventricle drainage tube, a pressure air bag, an air guide tube, an inflatable joint and a high-pressure air source. The ventricle drainage tube passes through the pressure air bag, and one end of the air guide tube is connected to The pressure air bag is connected, the other end is connected with the inflation joint, and the inflation joint is connected with the high-pressure air source. A liquid container is connected to the liquid discharge end of the ventricle drainage tube. The inflation joint is a conical structure. Due to the above-mentioned structure, the pressure air bag flattens the pipeline of the ventricle drainage tube to maintain a certain pressure in the ventricle drainage tube. The height of the liquid discharge end is limited, which brings great convenience to medical staff.