67 results about "Lumbar puncture" patented technology

According to the modularized ultrasonic-guided lumbar puncture teaching model provided by the invention, on the basis of the detachable modularized ultrasonic-guided lumbar puncture teaching model, the pathological bony structure module for simulating the corresponding pathological conditions of the lumbar structure is introduced, so that the lumbar puncture process in different pathological states is simulated; therefore, trained medical staff can be helped to better understand the anatomical basis and operation key points of lumbar puncture, the understanding of different pathological changes is deepened, and an experimental platform is provided for studying the improvement of lumbar puncture operation, the occurrence mechanism of puncture-related complications and the like. Furthermore, better lumbar puncture operation in actual clinical work is promoted through a better teaching and training effect, and the medical service experience and personal safety of a patient are guaranteed.

The invention relates to the technical field of medical training, and discloses a lumbar puncture simulation teaching system based on an AR technology, and the system comprises an AR content generation module which collects a lumbar medical image and carries out the tissue segmentation and focus recognition; performing three-dimensional geometric modeling based on the tissue segmentation result and the focus recognition result to generate a lumbar vertebra 3D model; the AR display interaction module develops an interaction function of the lumbar vertebra 3D model by using a Unity platform and AR equipment; interactive operation of the user is monitored, and feedback is conducted in real time; and the operation evaluation module is used for evaluating the interaction operation of the user and assigning an improvement suggestion according to an evaluation result. A three-dimensional visual scene is constructed through the AR technology, a user can observe the needle inserting process from different angles according to the complex anatomical structure of the lumbar vertebra part, and dynamic effects such as cerebrospinal fluid pressure change are simulated; in the lumbar puncture simulation training, the AR system can feed back operation data in real time, such as the needle inserting angle, the puncture strength and the puncture depth, and the user is helped to accurately master operation skills.

The invention relates to the technical field of medical teaching, and discloses a noninvasive intracranial pressure continuous monitoring teaching device and a fluctuation trend prediction method.The noninvasive intracranial pressure continuous monitoring teaching device comprises a protective shell and a closed-loop fluid system integrated in the protective shell, and the closed-loop fluid system is composed of a pump body, an intracranial simulation block, a first connecting pipe, a second connecting pipe, a third connecting pipe and a pressure regulating valve; the output end of the pump body is communicated with an input cavity of the intracranial simulation block through a first connecting pipe, the backflow end of the pump body forms a closed loop through a second connecting pipe, a pressure adjusting valve and a third connecting pipe, a detector used for collecting simulated intracranial pressure data in real time is arranged at the top end of the intracranial simulation block, and a display screen is arranged on the outer surface of the protective shell. A closed-loop fluid loop is constructed through a pump body, an intracranial simulation block and a pressure regulating valve regulated and controlled by PID, cerebrospinal fluid circulation is dynamically simulated, and the problem that traditional teaching lacks real pathological environment simulation and operation safety is effectively solved in combination with an embedded training lumbar puncture hole.

The invention discloses an early evaluation method, device and system for Alzheimer's disease. The method comprises the following steps: detecting whether a user completes a preset short-term task or not; when the user completes the preset short-term task, acquiring physiological data of the user; inputting the physiological data into an evaluation model to obtain a risk score, the evaluation model being an Alzheimer's disease early evaluation model; and generating an assessment report according to the risk score. According to the method, when the user completes the preset short-term task, the physiological data of the user are collected and input into the Alzheimer's disease early assessment model to obtain the risk score, so that the assessment report is obtained, the assessment report can be obtained without lumbar puncture, PET imaging detection and high-resolution MRI detection of the user, and the user experience is improved. The compliance is improved; the detection cost is reduced; and the detection timeliness is improved.

The invention provides an intelligent drug delivery method and system for pre-pump injection of m-hydroxylamine. The method comprises the following steps: determining an initial pumping rate, a target blood pressure range and a heart rate alarm threshold value of m-hydroxylamine according to initial information of a target patient; pre-pump injection of m-hydroxylamine is carried out according to the initial pump injection rate at a first preset time before lumbar anesthesia puncture operation; after the lumbar anesthesia puncture operation is completed, the current systolic pressure and the current heart rate of the target patient are collected based on the preset frequency; according to the current systolic pressure, the current heart rate, the target blood pressure range and the heart rate alarm threshold value, the initial pumping rate of m-hydroxylamine is adjusted; and carrying out pump injection of m-hydroxylamine based on the adjusted pump injection rate. By means of the method, pre-pumping injection is started before lumbar anesthesia puncture operation, occurrence of hypotension is preempted from the time dimension, the initial pumping injection rate is set based on information of a patient, the pumping injection rate is intelligently adjusted according to real-time feedback of the initial pumping injection rate, and therefore the occurrence rate of hypotension after cesarean section lumbar anesthesia is reduced.

The application discloses a lumbar puncture auxiliary mechanism and a use method thereof. The lumbar puncture auxiliary mechanism comprises a main body assembly, a supporting shell fixed to one side of a positioning disc, and a puncture needle penetrating through the positioning disc and the supporting shell. The main body assembly is provided with an adjusting assembly in the supporting shell. The adjusting assembly comprises a driving element arranged on one side of the positioning disc, a transmission element arranged on one side of the driving element, and an adjusting element arranged on one side of the transmission element. The adjusting element comprises a limiting shell fixed to the inner wall of the supporting shell, a rack sliding in the limiting shell, and a first spring fixed to the end of the rack. The adjusting assembly can intermittently supply the puncture needle, so that the puncture needle can smoothly break through the yellow ligament without improper force. The puncture process can be judged, so that the time when the puncture needle enters the epidural space and the subarachnoid space can be accurately grasped, and the accidental damage to the human body is reduced.

The present disclosure is directed to neural interface devices and methods that accesses the subarachnoid space to enable minimally invasive modulation and recording of neural structures. Exemplary embodiments may comprise an implantable pulse generator and a microelectrode catheter. In particular embodiments, the microelectrode catheter comprises one or more stimulating and recording electrodes. Exemplary embodiments may also include methods comprising performing a lumbar puncture to access the spinal subarachnoid space and advancing microcatheter through the spinal subarachnoid space.

The utility model provides a restraint strap for a lumbar puncture patient. According to the restraint strap, elastic bands are symmetrically sewn on a chest strap, a son buckle and a mother buckle are arranged at the two ends of the chest strap respectively, two straps are sewn on the upper portion of the chest strap, the straps are connected with a chest strap connecting strap through buckles shaped like a Chinese character'ri ', upper Y-shaped straps are sewn on the tops of the straps, leg straps are sewn on the lower portions of lower Y-shaped straps, and the upper Y-shaped straps are connected with the lower Y-shaped straps through buckles shaped like a Chinese character'ri'. Velcro tapes are arranged at the two ends of the leg bridle, a son buckle and a buckle shaped like a Chinese character'ri 'are fixedly arranged at the two ends of the connecting band respectively, and the upper Y-shaped bridle is connected with the lower Y-shaped bridle through the connecting band. The restraint strap can stably fix the body of a patient, reduces unnecessary movement of the patient in the lumbar puncture process, helps the patient to keep a standard lumbar puncture body position, facilitates accurate positioning of a puncture point, shortens the lumbar puncture time, is reasonable in structural design, easy, convenient and practical to operate, reduces repeated operation caused by lumbar puncture failure, and improves the lumbar puncture success rate. And the efficiency of lumbar puncture is improved.

This invention discloses a human fixation device suitable for lumbar puncture in children, comprising: a bed with an mounting surface; a thoracic restraint device disposed on the mounting surface, the thoracic restraint device including a first restraint surface and a first restraint strap, the first restraint strap binding the thoracic cavity of the human body to the first restraint surface; a lumbar guide assembly, the lumbar guide assembly being a guide plate for attaching to the lumbar region of the human body, the guide plate having guide perforations; and a leg restraint device rotatably connected to the mounting surface, the leg restraint device including a second restraint surface and a second restraint strap, the second restraint strap binding the human legs to the second restraint surface. The thoracic and leg restraint devices achieve restraint of the upper and lower body of the human body, and the restraint straps can simultaneously fix the patient's upper arm and forearm, thereby significantly reducing patient mobility and improving the restraint effect.

The invention discloses an early evaluation method, device and system for Alzheimer's disease. The method comprises the following steps: acquiring magnetic resonance imaging data and physiological data of a user; inputting the magnetic resonance imaging data and the physiological data into a cross-modal feature fusion model to obtain fusion features; inputting the fusion features into an expert model to obtain a prediction result; and generating an evaluation report according to the prediction result. According to the method, the magnetic resonance imaging data and the physiological data are processed through the cross-modal feature fusion model, so that the high-level fusion features are obtained, then the expert model is used for processing the fusion features, so that the prediction result is obtained, the evaluation report is obtained, a user can obtain the evaluation report without lumbar puncture and PET imaging detection, and the user experience is improved. The compliance is improved; and the detection cost is reduced.

The utility model relates to the technical field of neonatal lumbar puncture fixing, in particular to a neonatal lumbar puncture fixing device which is characterized by comprising a flexible wrapping piece, exposure holes used for exposing the waist and the back of a neonatal are formed in the flexible wrapping piece, and bandages are arranged at the four corners of the flexible wrapping piece. The two groups of bandages located at the opposite angles are sequentially crossed and bound, so that the flexible wrapping pieces fixedly wrap the neck, the trunk and the four limbs of the newborn, and the body of the newborn is bent into a lumbar puncture position. The neonate lumbar puncture body position keeping effect is good, the neonate feels more comfortable, the body temperature of the neonate is not prone to losing, the neonate pacifying effect is better, the overall applicability is better, the whole putting-on and taking-off operation is easier and easier, putting-on and taking-off are convenient, and the overall working efficiency of medical staff is improved.

The invention relates to the technical field of lumbar puncture, in particular to a lumbar puncture developing positioning device which comprises a mechanical arm, a positioning grid and a supporting seat are fixedly connected to the mechanical arm, the positioning grid is used for emitting positioning longitude lines and positioning latitude lines, and a positioning assembly and a puncture assembly are fixedly connected to the supporting seat; the positioning assembly comprises a first telescopic rod and a suction cup, one end of the first telescopic rod is fixedly connected with the supporting seat, and the other end of the first telescopic rod is fixedly connected with the suction cup; the puncture assembly comprises a fixed pipe, a first square rod, a first lead screw, a second lead screw, a movable block, a first gear, an inner threaded pipe, a second square rod and a puncture pipe. The puncture position can be accurately aimed and positioned through the positioning grid, the probability of puncture failure easily caused by blind puncture under the condition that the spine structure is abnormal or varied or a patient is obese is reduced, blind puncture is prevented from being judged completely depending on experience of a doctor, and the success rate of puncture is increased.

The invention relates to an infant positioning device for stabilizing and maintaining an infant in a fixed position for a lumbar puncture procedure. The device consists of a frame stand with openings for the infant's face and abdomen to support the infant in the proper position for the procedure and allow for unimpeded ventilation, a component of the frame to secure and stabilize the infant within the frame stand to prevent movement during the procedure, and an attachment stand to the frame that allows the frame to be free-standing. Vertically adjustable shoulder guards, tension-adjustable back strap, and tension adjustable head strap are provided for a custom fit.

The invention discloses a body position auxiliary device for lumbar puncture, and belongs to the technical field of lumbar puncture, the body position auxiliary device comprises a main body module and an arc plate module, the main body module comprises a rotating cylinder, the outer surface of the rotating cylinder is rotatably sleeved with a central rotating sleeve, and the outer surface of the central rotating sleeve is fixedly connected with a binding assembly; the arc plate module comprises a plurality of steering assemblies, through arrangement of an external rotating sleeve, the steering assemblies, locking assemblies, linkage assemblies and first locking grooves, accurate adjustment and stable locking of the optimal bending radian of the waist of a patient are achieved, and through cooperation with sequential hinging of a plurality of steering units in the steering assemblies, the optimal bending radian of the waist of the patient is adjusted. The whole radian can be flexibly adjusted to adapt to body types and age differences of different patients, the problems that in the prior art, manual supporting is prone to fatigue, and bandage fixing is difficult to achieve accurately are solved, it is ensured that the patient stably maintains the individualized optimal waist bending radian in the whole puncture process, the accuracy of intervertebral space exposure is improved, and the puncture difficulty is reduced.

The utility model discloses a back puncture operation patient chair which comprises a chair back, the inclination of the chair back relative to the horizontal plane can be adjusted, a posture adjusting assembly is arranged on the face, making contact with a patient, of the chair back, and the supporting angle between the patient and the chair back is adjusted through the posture adjusting assembly. The seat cushion is hinged to the chair back, the seat cushion is used for supporting a patient, and a chair back inclination adjusting assembly is installed between the seat cushion and the chair back. By means of the posture adjusting assembly arranged on the chair back, the posture angle, especially the thoracic cavity arching degree, of a patient can be accurately adjusted according to different operation requirements (such as thoracocentesis and lumbar puncture), so that it is ensured that the patient can keep a proper posture in the operation process, discomfort caused by long-time operation is relieved, and meanwhile the patient can be prevented from being injured. The inclination adjusting function of the seat cushion and the chair back enables the patients with different body types to be effectively supported, and the comfort is further improved.

The invention belongs to the field of biological medicine, and particularly relates to a medicine for treating EGFR mutation non-small cell lung cancer meningeal metastasis, application, a medicine box and a preparation method of the medicine, the medicine is a freeze-dried powder preparation or injection of EGFR-TKIs for subarachnoid space injection, the amount of EGFR-TKIs per person in the medicine is 0.01-5 mg, and the amount of EGFR-TKIs in the medicine is 0.01-5 mg. The injection method comprises any one of lumbar puncture, bridge forebay indwelling catheter injection and Ommaya capsule injection. The prepared EGFR-TKIs injection can be directly injected into the subarachnoid space, the drug concentration in cerebrospinal fluid of a patient is greatly improved, the cerebrospinal fluid / plasma concentration ratio of the EGFR-TKIs injection is increased from far less than 1 to more than 2 times and even can reach more than 10 times, and the EGFR-TKIs injection can completely solve the problem of insufficient dosage caused by a blood-brain barrier after oral administration of a targeted drug and has a good application prospect. The medicine takes effect quickly, and the treatment effect on lung cancer meningeal metastasis can be remarkably improved.

The invention relates to the field of medical puncture, in particular to a child body position fixing structure and a puncture bed, the child body position fixing structure comprises a plate frame, a waist plate, a thigh plate, a shank plate and a head plate, the head plate is rotatably arranged at one end of the waist plate, and the thigh plate is rotatably arranged at the other end of the waist plate; the end part of the shank plate is rotationally connected with the end part, far away from the waist plate, of the thigh plate; leg binding belts are arranged on the thigh plate or the shank plate, shoulder binding belts are arranged on the head plate, and puncture holes and a waist binding belt are arranged on the waist plate; the waist plate, the thigh plate, the shank plate and the head plate are all mounted in the plate frame; the waist plate is fixedly connected with the plate frame, and a rotating shaft is arranged at the end of the plate frame. The supporting part is used for supporting the thigh plate or the shank plate and the head plate which are in a flat state, and the supporting part is fixedly arranged on the plate frame. The scheme is mainly used for fixing the body position of a child when the child is subjected to lumbar puncture, bone puncture, abdominal puncture and venipuncture.

The embodiment of the utility model discloses a child lumbar puncture postoperative nursing belt which comprises an elastic inner nursing ring and an elastic outer nursing ring, a plurality of evenly-distributed strip-shaped holes a are formed in the inner nursing ring, a plurality of evenly-distributed strip-shaped holes b are formed in the outer nursing ring, and the outer nursing ring is arranged on the outer side of the inner nursing ring in a sleeving mode. The strip-shaped holes a and the strip-shaped holes b can be aligned or staggered left and right to form ventilation openings of different sizes. When the nursing ring is used, the positions of the inner nursing ring and the outer nursing ring are adjusted through relative rotation, so that the strip-shaped holes a and the strip-shaped holes b are staggered to form ventilation openings of different sizes, and flexible adjustment is facilitated according to the environment temperature or the activity amount; heat dissipation can be accurately adjusted, and children are prevented from sweating or catching a cold; the integrality of the inner nursing ring and the outer nursing ring is better, when the nursing ring is used for different children, the corresponding appropriate size is selected, the inner nursing ring is more easily attached to a patient, the tightening force is more appropriate, and the comfort degree is higher.

The invention relates to the technical field of medical instruments, in particular to a lumbar puncture auxiliary device for blood clinic, which comprises a bed body, a base and a telescopic rod mounted on the base, a connecting plate is mounted at the top end of the telescopic rod, an air cylinder is mounted on the base, and the output end of the air cylinder is fixedly connected with the connecting plate; the moving part is installed on the connecting plate, a buffering part is installed on the moving part, and the moving part and the buffering part are used for positioning the back and the abdomen of the patient; the massage component is mounted on the moving component, and the massage component is used for massaging a patient; according to the scheme, through mutual cooperation of the moving part, the buffering part and other structures, accurate positioning of the back and the abdomen of the patient is facilitated, and therefore a doctor can conveniently conduct lumbar puncture operation; the requirements of different patients can be met.

The invention relates to the technical field of medical instruments, in particular to a head fixing device which comprises a bed body, a mounting seat arranged in a bed head mounting shell of the bed body and a forehead clamping mechanism arranged on the rear side of the top of the mounting seat and connected with the pillow through a traction piece, a clutch mechanism is arranged on the rear side of the forehead clamping mechanism and connected with the forehead clamping mechanism through three telescopic electromagnetic rods. The cheek clamping mechanisms are arranged on the left side and the right side of the pillow and connected with the clutch mechanism, and the problems that in the prior art, a head fixing device for traditional Chinese medicine is prone to being pressed too tightly or loosened in the actual use process, the head fixing adaptability and precision are insufficient, linkage is lacked, and the clinical operation efficiency is low are solved. The problems that in the prior art, vomiting complications of a patient after lumbar puncture are not considered, body position changes of the patient are easily caused, the illness state is aggravated, the convenient reset unlocking capacity is not achieved, and secondary injury is easily caused when fixation is removed are solved.

The application discloses a cell medicine protection liquid for injection and a preparation method and application thereof, and particularly relates to the technical field of biological medicine. The protection liquid comprises the following components: sodium chloride 5.5-6.5 mg / ml, potassium chloride 0.2-0.4 mg / ml, sodium lactate 2.5-3.5 mg / ml, calcium chloride 0.1-0.3 ug / ml, glucose 0.15-0.3 ug / ml, neurotrophic factor 0.5-2 ug / ml, and compound amino acid 4 ul / 100 ml. The protection liquid can be used for storing cell medicine for human lumbar puncture injection, and the medicine storage time is long, which helps to save valuable time for new fresh preparation detection and application of drug companies. The application uses a freeze storage tube, which is portable, convenient to transport and simple to operate, and does not need special treatment and direct application, thereby solving the limitation of no corresponding environment and equipment application, and greatly saving the cost.

The invention relates to the technical field of medical measurement, in particular to a lumbar puncture drainage device and method for continuously measuring cerebrospinal fluid pressure, and the lumbar puncture drainage device for continuously measuring cerebrospinal fluid comprises a puncture needle, a drainage cerebrospinal fluid container, an electronic pressure sensor, a drainage catheter, a shifting piece, an electronic element packaging tube and a signal transmission coil; the puncture needle and the cerebrospinal fluid drainage container are connected through the puncture needle and cerebrospinal fluid drainage container connector; the puncture needle and the cerebrospinal fluid drainage container joint are detachable; the cerebrospinal fluid drainage container is provided with a cerebrospinal fluid drainage channel, and the drainage catheter is connected with the cerebrospinal fluid drainage channel; the shifting piece is horizontally arranged in the cerebrospinal fluid drainage channel; the cerebrospinal fluid drainage channel is provided with a circular groove; the orifice of the drainage catheter is embedded in the circular groove; and the circular groove is tightly connected with the drainage catheter. The safety, reliability and maintenance convenience of the cerebrospinal fluid drainage device are improved.

The invention provides a lumbar puncture robot control method based on finite element simulation and fuzzy control, and relates to the field of lumbar puncture control, and the method specifically comprises the following steps: building a finite element puncture model covering a multi-layer soft tissue structure; analyzing an influence rule of different needle inserting speeds and angles on puncture force change, and extracting tissue interlayer breakthrough feeling characteristics; a three-input single-output fuzzy controller is designed, and a fuzzy rule table is constructed by taking the puncture force, the force sudden change value and the puncture depth as input and taking the needle inserting speed as output. According to the technical scheme, the problems that in the prior art, a lumbar puncture control strategy is low in precision and safety and poor in adaptability are solved.

The utility model discloses a lumbar puncture guide cannula which comprises a cylindrical cannula body, a main puncture tube is arranged in the middle of the cannula body, a plurality of standby puncture tubes are tightly arranged on the periphery of the main puncture tube, a positioning baffle is arranged on the upper surface of the cannula body, and the positioning baffle is rotationally connected with the cannula body. A long hole is formed in the positioning baffle, the main puncture tube and part of the standby puncture tube on the outer side of the main puncture tube can be exposed through the long hole, a slidable positioning block is arranged on the long hole, a through hole I matched with the standby puncture tube is formed in the middle of the positioning block, an annular support is arranged on the outer side of the cannula body, and a through hole II matched with the standby puncture tube is formed in the annular support. The section of the annular support is in an L shape, the bottom of the annular support is connected with the same annular fixing block, and a plurality of suction cups are arranged at the bottom of the annular fixing block. In the lumbar puncture operation, medical staff can be assisted in effectively determining and adjusting the puncture position by using the lumbar puncture fixing device.

The invention belongs to the field of neurology lumbar puncture teaching aids, and discloses a multifunctional teaching aid for clinical puncture practice, which comprises a human body model, arms movably arranged on two sides of the human body model, rotating devices arranged at shoulder positions of the arms, a limiting device fixedly arranged on one side of the human body model, and legs movably arranged on two sides below the human body model. A spine tube is arranged on the back of the human body model; the lumbar puncture teaching aid for the neurology department solves the problems that in traditional teaching in the prior art, the position is always corrected through oral description, and the actual operation of students and the correct posture of correcting the position cannot be achieved in the teaching process, and the lumbar puncture teaching aid is suitable for the neurology department.

A lumbar puncture restraint frame, comprising a bed plate, a popliteal fossa limiting block is slidably arranged on the lower part of the bed plate, and a limiting block positioning mechanism is arranged between the popliteal fossa limiting block and the bed plate; a back block is slidably arranged on the upper part of the middle part of the bed plate, and a block positioning mechanism is arranged between the back block and the bed plate; a chest and abdomen block is further arranged on the bed plate between the popliteal fossa limiting block and the back block. The lumbar puncture restraint frame solves the problem of lacking of body position restraining equipment in the prior art, is suitable for people who are difficult to maintain body position under forced body position, and is especially suitable for young patients. The equipment has simple structure, low cost and easy maintenance.

1. Name of the product in this design: Lumbar puncture device. 2. Purpose of this design: For use in lumbar puncture. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

1. The name of the design product: lumbar puncture pressure gauge. 2. The use of the design product: for lumbar puncture pressure measurement. 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. Other circumstances that need to be explained: the transparent material at A in perspective view 1.