112 results about "Lumbar puncture" patented technology

A device for collecting spinal fluid during a lumbar puncture or other medical procedure includes: a) an upper, generally cup-shaped portion including an open top, an upper cup side wall, an upper cup base plate at a lower end of the upper cup side wall, and a drain hole in the upper cup base plate; b) a lower, generally cup-shaped portion including an open top, a lower cup side wall, and a lower cup base plate at a lower end of the lower cup side wall, the lower cup base plate including a plurality of generally circular openings; wherein the upper, generally cup-shaped portion is removably insertable in and rotatable in the lower, generally cup-shaped portion, and the upper, generally cup-shaped portion includes a rotation mechanism for rotating the upper, generally cup-shaped portion in the lower cup-shaped portion.

The present subject matter relates to medical training methods and models. In one embodiment, the invention provides for devices and methods of training paracentesis procedures. In another embodiment, the subject matter provides for devices and methods of training thoracentesis procedures. In yet another embodiment, the present subject matter provides for a training methods and model for performing lumbar punctures.

Lumbar punctures (LP) are potentially hazardous when the cerebrospinal fluid (CSF) pressure is elevated. CT is not always helpful to anticipate elevated intracranial pressure and may not be available each time a LP must be preformed. Disclosed is a simple pressure-locking valve which is attachable to an LP needle. The pressure-locking valve closes off the flow of fluid when the pressure of the fluid exceeds a value which can be preset to the pressure-locking valve.

The invention belongs to the medical teaching equipment technical field and relates to a fully-automatic multi-functional integrated puncture training computer dummy. The fully-automatic multi-functional integrated puncture training computer dummy comprises a high-simulation human body model, a position-automatic changing experimental table, puncture cavities, modules, arteriovenous veins, a liquid injection automatic control device, a fully-automatic arterial pulse simulator and a microcomputer controller. The dummy is characterized in that the high-simulation human body model is installed on the position-automatic changing position experimental table and is provided with various puncture cavities / modules such as pneumothorax, hydrothorax and abdominocentesis modules which are all connected with the microcomputer controller and / or a micro water pump / air pump; double-layer metal mesh electrodes are distributed on the neck, thoracic puncture and lumbar puncture positions of the dummy; the dummy is further provided with kidney, bladder, lymph gland and bone marrow puncture cavities / modules as well as a variety of puncturable central veins and peripheral veins; and arteries are connected with a fully-automatic blood circulation simulator. With the dummy adopted, dozens of puncture items can be provided; puncture position change, liquid injection, gas injection and artery pulsing are completely automated; and sound-light alarms can be given out automatically; life-like simulation effects can be realized; and teaching effects can be significantly improved.

The invention discloses a lumbar puncture auxiliary device comprising a lifting bed; a knee pressing device, a hip pressing device, a leg pressing device, an inflatable pillow and a puncture positioning bracket are mounted on the lifting bed; the lifting bed comprises a bed frame cross beam, four hydraulic lifting bed legs and a bed plate, the four hydraulic lifting bed legs are connected with thebed frame cross beam, the bed plate is arranged on the bed frame cross beam, a notch is formed in the left side of the bed plate, and the notch is a medical staff working position; two notches are formed in the lower part of the bed plate. By adopting of the knee pressing device, the hip pressing device and the leg pressing device, knees, hip and legs of a patient can be fixed in sequence, and the inflatable pillow can be adjusted according to the requirements of the patient after the patient sleeps on the inflatable pillow; a hip lead screw driver and a knee lead screw driver are one of manual turntable drivers or motor drivers, and the lumbar puncture auxiliary device can be adjusted according to the physique of the patient, and is practical and convenient.

The invention relates to a tumor locating method and system for tumor puncture. The method comprises the following steps of 1, making locating mark points on the peripheral body surface skin of a tumor part of a patient, collecting two images of the tumor part of the patient from different angles, and obtaining the spatial position information of a geometric center point of the tumor part relativeto the locating mark points by means of a binocular vision algorithm; 2, performing CT scanning on the tumor part of the patient, establishing a three-dimensional model of a tumor according to a CT scanning image, and acquiring body posture information of the patient during CT scanning on the tumor part of the patient. By adopting the locating method, the tumor can be precisely located, a puncture path can be conveniently planned by medical staff, the puncture efficiency can be improved, and the radiation injury can be reduced.

The invention relates to the field of medical instruments, in particular to a digital pressure gauge for lumbar puncture with controllable cerebrospinal fluid. The gauge comprises a lumbar spinal needle connecting end, a cerebrospinal fluid connecting end, a pressure sensor and a numeric display meter and is characterized in that the interior of a housing of the gauge is partially narrowed to form a valve seat; the valve seat divides an inner cavity of the housing into a cerebrospinal fluid drainage cavity and a pressure detection cavity; when a valve head is closely attached to the valve seat, a channel between the cerebrospinal fluid drainage cavity and the pressure detection cavity is blocked; when the valve head is away from the valve seat, the cerebrospinal fluid drainage cavity communicates with the pressure detection cavity; and the lumbar spinal needle connecting end and the cerebrospinal fluid connecting end are arranged; and the cerebrospinal fluid connecting end is a section of 90-degree bent pipe. Compared with the prior art, the digital pressure gauge for lumbar puncture with the controllable cerebrospinal fluid has the following advantages: pressure value can be read at any time before collection of cerebrospinal fluid and during collection of cerebrospinal fluid; intracranial pressure valve after lumbar puncture can be displayed; and the digital pressure gauge can play an important role in guiding the positions and medicine use for a patient who takes a rest after lumbar puncture.

The invention discloses a thoracolumbar puncture positioning device, which relates to the field of medical equipment, and comprises a circular platform body with a flat bottom surface and an arc-shaped front surface, grooves are opened on the edge of the circular platform body, and eight positioning holes are opened on the circular platform body for positioning. The opening wall of the hole at one end of the arc surface is an arc inclined platform with a wide front and a narrow rear. The present invention solves the problem that thoracolumbar spine positioning and puncture are difficult, difficult for surgeons to grasp; long puncture operation time leads to high probability of complications in patients, and patients and doctors receive a large amount of iatrogenic X-ray radiation during the operation, resulting in potential or cumulative radiation damage. Likely issues.

The use of an iontophoresis electrode assembly for delivery of a drug formulation is described. The drug formulation includes an anaesthetic and a vasoconstrictor. It is administered to a patient prior to a procedure to produce clinically acceptable depth and duration of dermal anaesthesia at the portion of skin to subject to a painful procedure or to reduce or eliminate pain. The procedure is one selected from the group consisting of venipuncture, IV cannulation, needle aspirations, body piercings, blood donations, electrolysis, tattoo removal, tattoo application, injections, dermabrasion, skin peeling, high velocity particle ablation, pace maker implantation, pace maker replacement, epidural puncture, lumbar puncture, regional nerve blocks, skin harvesting, small skin incisions, skin biopsies, circumcisions or excisions. The iontophoresis electrode assembly may also be used to reduce or temporarily eliminate neuropathic pain.

The invention relates to a lumbar puncture operation fixing rack, which comprises an operation table, wherein telescopic rods are arranged in the height direction at the two sides of the operation table; the top ends of the telescopic rods are provided with a top plate; the lower surface of the top plate is provided with three slide grooves; a slide block is arranged in each of the three slide grooves; the bottom end of each slide block is provided with a positioning post; a plurality of fixing holes are formed in positions, corresponding to a tabletop of the operation table, of the positioning posts; the three positioning posts are respectively a cervical vertebra part positioning post, an abdomen part positioning post and a leg part positioning post; a pipe sleeve is arranged on each ofthe cervical vertebra part positioning post and the leg part positioning post; and the edge part of each pipe sleeve is connected with a fixing plate through a spring. The lumbar puncture operation fixing rack has the advantages that the nervous mood of a patient during the operation can be relieved; the patient is enabled to always maintain the standard body posture; and the work difficulty of medical personnel is reduced, so that the operation efficiency and quality of the puncture operation are improved.

The invention relates to a lumbosacral puncture and drainage device with a controllable flow rate of an air bag, which comprises a trocar with an outer needle and a needle core, a three-way valve, a sample collection tube and a sample collection bag, the needle core is located inside the outer needle, and the three-way One port of the valve is connected to the sample collection tube through the diversion tube, and the sample collection tube and the sample collection bag are connected through the diversion tube. After the trocar punctures into the spinal cavity, it exits the needle core, and the trocar is inserted into the soft tube with the guide wire inside. Catheter, the thickness of the guide wire matches the inner diameter of the soft catheter. After the guide wire enters the spinal cord cavity, it exits the outer needle. After the guide wire guides the soft catheter into the spinal cord cavity, it exits the guide wire. Connection, the end of the soft catheter inserted into the spinal cavity is provided with an inflatable air bag, and a flow control valve is provided between the three-way valve and the sample collection tube. The soft catheter of the lumbosacral puncture and drainage device is easier to insert into the spinal cavity without breaking and slipping off, and can accurately control the flow of spinal fluid.

The invention relates to the technical field of machines, in particular to a fixing device for lumbar puncture. The fixing device comprises a base, a back plate is arranged at the rear end of the base, a shoulder fixing plate is arranged at the right end of the back plate, a hip fixing plate is arranged at the left end of the back plate, and a chest fixing plate is arranged right in front of the back plate. The fixing device for lumbar puncture can be fixed to a puncture bed, and through the back plate, the shoulder fixing plate, the hip fixing plate and the chest fixing plate, a patient can be clamped and fixed inside the fixing device; by adjusting the distance between the shoulder fixing plate and the hip fixing plate, the fixing device adapts to patients with different body shapes, itis unnecessary to fix the body position of the patient by multiple persons, the patient also does not need to consume own physical power to keep a posture, and therefore a lot of labor is saved; in addition, the patient cannot move randomly easily in the fixing device, the surface of the fixing device is soft, people feel comfortable when touching the fixing device, a doctor can conveniently, rapidly and accurately conduct puncture operation, the speed of puncture operation is effectively increased, the efficiency of puncture operation is effectively improved, puncture time is shortened, and the pressure of the patient is relieved.

The invention discloses an AR training device for lumbar puncture, and belongs to the technical field of lumbar puncture practice tools. An AR training device for lumbar puncture comprises a box body, two compression springs B are symmetrically and fixedly arranged between the front wall of a rear groove and the rear wall of an edge groove, two elastic bands are symmetrically and fixedly arranged at the two ends of the rear wall of an AR glasses body, and a middle groove is formed in the middle of the rear wall of a connecting block located on the right side. Two clamping blocks are fixedly arranged on the outer wall of the connecting block located on the left side in an up-down symmetrical structure, and clamping grooves are formed in the positions, opposite to the clamping blocks, of the inner wall of the middle groove. According to the device, the simulation structure consistent with the human lumbar vertebra structure is arranged, through the arrangement of the structures and cooperation with the AR glasses body, the device can enhance the visual simulation degree in the practical training of students, the simulation performance in the touch sense can be further improved, the students have the sense of reality when searching for the puncture position, and the training efficiency is improved. The fitness between practical training and reality can be effectively enhanced, and the medical skill level of students can be improved.