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.

A wearable EVD system having a ventricular catheter and transducer supported proximately to a patient's ear by a mount, such as supporting headband or ear clip. An adjustable orifice valve or a spring-loaded needle valve is used to control the amount of CSF that drains into a drip chamber suspended on the patient for periodic measurement and emptying into a similarly located drainage bag, thereby avoiding the need for an IV pole and allowing the patient more mobility without disrupting drainage of CSF.

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 discloses a ventricular drainage adjustable height support which comprises a fixing plate, clamping plates, a fixing sleeve, a lifting rod, a rack, a clamp sleeve, a rotating shaft, a first gear, a gear sleeve, a second gear, a limiting plate, a first spring, a fixing shaft, a connecting plate, a holding box, a holding groove, a chute, a conductive plate, an insulating pressing plate, a second spring, an alarm, a storage battery, a first wiring terminal and a second wiring terminal. Firstly, due to monitoring alarm design, a medical operator can be reminded that a drainage bottleis full of a drainage liquid in time, convenience can be brought to the medical operator to handle the situation in time, and the security of ventricular drainage of a patient can be ensured; secondly, due to a cooperation effect of a lifting drainage drip cup holding mechanism, not only is the drainage drip cup placed at a higher place, but also the height of the drainage drip cup can be adjusted by the medical operator according to clinical practical situations, finally by adopting the mode, the stability and the security of ventricular drainage of the patient can be greatly improved, the burden of the medical operator is also alleviated, and clinical popularization and application can be facilitated.

The invention relates to an external ventricular drainage and hematoma clearance device. The external ventricular drainage and hematoma clearance device includes a drainage tube, and a first drainageneedle and a second drainage needle which are connected to a head end and a tail end of the drainage tube respectively; a surface of an inner wall of the drainage tube is coated with an anticoagulantcoating; and a filtering device, a pressure application device and a three-way tube are successively arranged on a tube line of the drainage tube. The external ventricular drainage and hematoma clearance device can adopt different drainage manners according to the ventricular hematoma degree: for ventricular cast severe cerebral hemorrhage, the two drainage needles adopt transorbital puncture, puncture a lateral ventricle posterior horn, and adopt angle puncture and enter a ventricle, and a hematoma-lateral ventricle frontal horn drainage-purging in vitro-lateral ventricle posterior horn backflow circulation loop is established; and for mild ventricular hemorrhage, the first drainage needle and the second drainage needle are combined into a puncture needle, and a local circulation is established. The external ventricular drainage and hematoma clearance device can clear up ventricular blood clots, in particular ventricular cast, can effectively relieve secondary lesion such as hydrocephalus, encephaledema, and vasospasm due to ventricular hemorrhage and ventricular cast.

The invention relates to a closed in-vitro ventricular drainage apparatus, which comprises two pipelines which are bent in the form of right angles and an analyzer which is arranged outside the pipelines, wherein the two pipelines, which are bent in the form of the right angles, include a first pipeline and a second pipeline; a horizontal part of the first pipeline is connected to a cerebrospinal fluid drainage tube which is close to a ventricular end; a vertical part of the second pipeline is connected to a drainage bag; a vertical part of the first pipeline communicates with a horizontal part of the second pipeline; a piston is arranged in the vertical part of the first pipeline; a spring is connected to the lower surface of the piston; the tail end of the spring is fixedly connected to the bottom of the vertical part of the first pipeline; a baroreceptor is arranged at the inner side of the pipe wall of the vertical part of the first pipeline; the baroreceptor is connected to the analyzer; and capillaries are arranged on the horizontal part of the second pipeline. The closed in-vitro ventricular drainage apparatus provided by the invention can overcome shortcomings in the prior art which adopts open drainage and fails to accurately monitor change in intracranial pressure, and the drainage apparatus is capable of conducting pressure monitoring and heart rate monitoring in vitro and is strong in intuitivity.

The invention discloses a ventricular drainage tube postoperative anti-disengagement device and a use method. The ventricular drainage tube postoperative anti-disengagement device comprises a drainagebox fixing device and a drainage tube fixing device. The drainage box fixing device comprises an installation base. A telescopic sleeve plate is fixedly connected to the installation base. The end, away from the installation base, of the telescopic sleeve plate is fixedly connected with a limiting device. Two symmetrical installation screws are arranged on the installation base and located on thetwo sides of the telescopic sleeve plate respectively. The drainage tube fixing device comprises a first head fixing belt. Two symmetrical second head fixing belts are fixedly connected with the sidewall of the first head fixing belt. A tube clamping device is arranged between the two second head fixing belts, and comprises a first clamping plate and a second clamping plate. Through the cooperation of the drainage box fixing device and the drainage tube fixing device, the drainage box and the drainage tube are stably fixed respectively, and it is ensured that the drainage tube can be stablyused for continuing to conduct drainage after a patient undergoes ventricular surgery.

The invention relates to the technical field of ventricular drainage devices, and discloses a ventricular device. The device comprises a drainage tube, a drainage bag and a controller. The drainage end of the drainage tube is placed in the cerebral ventricle, the other end of the drainage tube is connected to the drainage bag, the drainage tube is provided with an electromagnetic pinch valve and afirst pressure sensor, the first pressure sensor and the electromagnetic pinch valve are connected to the controller, the controller is connected with a prompt device and a control input device, thecontroller is also connected with an intracranial pressure monitoring device, and the intracranial pressure monitoring device comprises an intracranial pressure monitoring probe extending into the brain. According to the ventricular drainage device of the present invention, the adjustment and control of drainage can be realized according to the set pressure value, the drainage is not affected by the posture of patients, the medical staff can be reminded in time when the drainage tube is not smooth, the use safety is ensured, the intracranial pressure of patients can be more accurately controlled, and the device is conducive to the improvement of the prognosis of patients.

A system and method of determining the rate of flow of Cerebral Spinal Fluid (CSF) in an External Ventricular Drainage Mechanism (EVDM). Drops, or the flow of CSF moving within or into the EVDM, are detected. The user is provided, in a human-readable form, information derived from the detection. This may be accomplished with a printer and/or a digital display device. The information may include CSF flow rate and/or CSF volume collected in the EVDM, for example. The system and method may further determine if the drops or flow have ceased for at least a certain amount of time. In that case, an alarm may be activated.

The invention belongs to the technical field of medical instruments, and particularly relates to a ventricular drainage device which comprises a base, a vertical plate is fixedly connected to the topof the base, a pair of sliding rails is fixedly connected to the vertical plate, and sliding grooves are formed in the adjacent sides of the sliding rails; a sliding block is slidably connected into the sliding groove, and a lead screw penetrates through the sliding block. A drainage bottle is fixedly connected to the sliding block, the bottom of the drainage bottle communicates with a hose, and the other end of the hose communicates with the ventricle to-be-drained part; a pressure chamber is arranged in the middle of the hose, a cylinder is fixedly connected to the inner wall of the pressurechamber, an elastic film is hermetically connected to one end, away from the inner wall of the pressure chamber, of the cylinder, and a conductive coating is coated on one side, in the cylinder, of the elastic film and connected with the controller through a wire; according to the ventricular pressure balance adjusting device, after the elastic film is deformed, the conductive coating is electrically connected with the contact column, then the controller controls the drainage bottle to stop lifting the height, and then ventricular pressure balance is quickly adjusted.

The invention discloses an external ventricular drainage follow-up adjustment fixing frame. The external ventricular drainage follow-up adjustment fixing frame comprises a fixed connecting plate fixedly connected with a sickbed frame, a vertical column, a mounting rack and a drainage tube; a sickbed is rotatingly provided with an adjusting screw, and a follow-up adjustment mechanism is arranged between the mounting rack and the adjusting screw and composed of a lifting screw, a first gear fixed onto the lifting screw, a second gear fixed onto the adjusting screw, a transmission mechanism connected between the first gear and the second gear, and a lifting screw sleeve arranged on and matched with the lifting screw; the lifting screw sleeve is connected with the mounting rack through a driving connecting rod, one end of the driving connecting rod is fixedly connected with the mounting rack, the circumference of the lifting screw sleeve is provided with a ring-shaped T groove, the other end of the driving connecting rod is provided with a ball joint which is arranged inside the T groove, and the lifting screw sleeve is provided with a laser pointer. After being aligned to the earholeof a patient, the laser pointer can be adjusted in a follow-up mode when the front angle of the sickbed is adjusted, so that subsequent repeated adjustment can be saved, and operation convenience canbe achieved.

The invention relates to a ventricular drainage bottle fixing frame which comprises a base, a supporting rod, a sleeve tube and a supporting plate. The ventricular drainage bottle fixing frame is characterized in that the supporting rod with a scale mark on the outer wall is fixedly connected with the base; the supporting rod is integrally fixed with the sleeve tube through a fastening bolt on the sleeve tube with which the supporting rod is sleeved; an L-shaped supporting plate is fixed to the tube wall of the sleeve tube; a round groove capable of clamping a drainage bottle is formed in the upper surface of a bottom plate of the L-shaped supporting plate; and a sleeve ring which corresponds to the round groove and is capable of fixing the drainage bottle is arranged on the side surface of a vertical plate. The ventricular drainage bottle fixing frame can be used for solving the problems of inconvenience in use, high possibility of inclination or turnover and the like in the ventricular drainage bottle, and is suitable for treatment and nursing work of medical staffs.

The invention discloses a medical multifunctional height adjusting frame. The frame comprises a base, a control box is arranged on the base, an electric telescopic rod is vertically arranged at the top of the control box, a suspension frame is arranged at the top of the electric telescopic rod, a tension sensor and a distance sensor are installed on the suspension frame, a bottom end of the tension sensor is connected with a hook, the tension sensor measures the tension value of the weight of an object on the hook, and the distance sensor measures the distance value between the distance sensorand the object under the distance sensor. The medical multifunctional height adjusting frame is mainly used for hanging a ventricular drainage bag, the hanging height can be adjusted in real time according to the actual height of a sickbed and the amount of a liquid in the drainage bag, the drainage bag is made to be 10-15 cm higher than the plane of the ventricular side of a patient all the time, and adverse effects caused by over-high or over-low hanging are avoided. The adjusting frame can also be used for other operations such as drainage and enema, the adjusting process is stable, the accuracy is high, meanwhile, the time of medical staff is saved, and application and promotion are facilitated.

The invention discloses an adjustable ventricular drainage tube suspension support. The adjustable ventricular drainage tube suspension support comprises a hanging frame and further comprises a base,a telescopic supporting rod, a supporting rod base and pin bodies, the base is arranged at a bedside of a sickbed and provided with an upward opening, and the height from the ground to the top end ofthe base serves as a measuring unit of a foundation; the telescopic supporting rod is formed by several telescopic tubes which have the diameter gradually reduced from bottom to top and are made of astainless steel material; the supporting rod base is provided with pin holes in the radial direction, and the pin bodies comprise head parts and pin rod parts; the telescopic tubes at the bottom are fixedly connected with the supporting rod base, the supporting rod base is inserted into the base and detachably connected with the base, the pin rod parts penetrate through run-through holes and are inserted into the pin holes, and the head parts cooperate with the base for stopping, and serve as a handheld operating handle; the hanging frame is erected at the top of the telescopic tube at the top. By the adoption of the structure, when medical personnel need to adjust the height of a drainage tube according to the body position change of a patient, what is only needed is to operate any telescopic tube at the upper middle portion, and the operation is convenient; meanwhile, the telescopic tubes are made of the stainless steel material and are convenient to clean and disinfect.

The invention relates to a ventricular drainage liquid meter, and belongs to the technical field of medical apparatuses and instruments. The meter comprises a shell body; a weight monitoring unit penetrating to the lower portion of the shell body; a metering control unit arranged in the shell body and used for obtaining volume information of ventricular drainage liquid through calculation based ondensity information and weight information of the ventricular drainage liquid; a display unit arranged on the surface of the shell body and used for displaying the volume information of the ventricular drainage liquid; a power supply unit arranged in the shell body and used for providing work voltage for the meter, wherein the weight monitoring unit is used for monitoring and obtaining the weightinformation of the ventricular drainage liquid. Compared with the prior art, the ventricular drainage liquid meter conveniently and accurately meters the ventricular drainage liquid and meets the requirements of postoperative care work in the neurosurgery department.

A limiting buffer assembly is installed on the top face of a bottom plate, the bottom end of an internal thread supporting pipe is movably sleeved with a supporting plate, an edge spring is welded to the middle of the top face of an arc-shaped sliding block, an annular bottom groove is formed in the position, corresponding to the end of a rotating plate, of a sleeve, and threading rings are evenly welded to the middle of an S-shaped spring plate. A drainage bottle limiting assembly is arranged between the rotating plate and the supporting plate, the ejector rod is connected with a drainage tube protection assembly, and a disinfection anti-disengaging assembly is installed at one end of a protection tube. A drainage bottle is clamped and fixed through the rotating plate after being placed on the top face of the supporting plate, and the drainage tube is guided and limited through an S-shaped spring plate and a threading ring; the S-shaped spring plate deforms to be matched with the bending shape change when the drainage tube is pulled, the drainage tube is prevented from being bent and blocked, the supporting plate slides along the internal thread supporting tube for buffering, the influence of the fixing device on the position, connected with the human body, of the drainage tube is reduced, and therefore the device is more comfortable to use and better in safety.