15 results about "Spinal anesthesia" patented technology

The invention provides an intelligent lumbar anesthesia puncture guiding method and device, which are applied to a lumbar anesthesia puncture needle, and the method comprises the following steps: obtaining case information of a puncture object, and preprocessing the case information; the preprocessed case information is input into a trained puncture prediction model, a predicted puncture path is obtained, and the predicted puncture path comprises a predicted puncture point position, the predicted puncture depth of each tissue layer, a predicted pressure threshold value and a predicted puncture angle; guiding a spinal anesthesia puncture needle to puncture according to the predicted puncture path; wherein the puncture prediction model is specifically a deep neural network model, and the puncture prediction model is obtained by training an initial model through sample case information marked with a corresponding puncture path prediction result in advance. In combination with the artificial intelligence model, the puncture path is individually recommended based on patients of different ages and body types, the accuracy of the puncture point location and the success rate of one-time puncture are improved, the operation time is shortened, and the patient experience and safety are improved.

The invention discloses an intraspinal anesthesia puncture guide system with an optical visualization function. The intraspinal anesthesia puncture guide system comprises an epidural needle body module, an optical tracking and positioning module and an image processing and displaying module. The epidural needle body module comprises a needle body and an optical probe, and the optical probe is fixed to the needle body and used for collecting images of the environment in front of the needle body. The optical tracking and positioning module comprises a positioning marker and an optical positioning camera, the positioning marker is fixed to the needle body, and the optical positioning camera is used for determining space pose information of the positioning marker. And the image processing and displaying module is connected with the optical probe and the optical positioning camera, and is used for generating an intra-spinal anesthesia puncture auxiliary image according to the image of the environment in front of the needle body and the spatial pose information of the positioning marker, and displaying the intra-spinal anesthesia puncture auxiliary image. According to the application, convenience is provided for epidural puncture through an optical visualization function, so that the success rate of epidural puncture is improved, and the operation difficulty and risk are reduced.

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 utility model relates to a continuous sacral plexus block suite. The continuous sacral plexus block suite comprises a puncture assembly and a drug delivery assembly, the puncture assembly comprises a sleeve, a steel needle, a first supporting steel wire, a hollow hard tube and a first isolation plug. The steel needle is arranged in the sleeve and extends outwards, so that one end of the steel needle can protrude out of the sleeve, and the other end of the steel needle is connected with the hollow hard tube; the steel needle is sleeved with the first supporting steel wire, and the first supporting steel wire is fixedly arranged in the sleeve; the first isolation plug is arranged at the top end of the hollow hard tube and is fixedly connected with the hollow hard tube; and the dosing assembly is arranged on the sleeve and is communicated with the sleeve. According to the scheme, the cannula can be placed at the sacral canal, the administration dosage and the administration frequency are dynamically adjusted according to the actual condition of a patient so that the cannula can be suitable for anesthesia or analgesia of a long-time operation, the applicability is high, practicability is high, the risk of total spinal anesthesia caused by one-time large-dose administration is effectively avoided, and safety is greatly improved.

The invention provides a body position device for intraspinal anesthesia, and belongs to the technical field of medical instruments. Comprising a holding cylinder, a first avoiding cavity is formed in the holding cylinder, first sliding grooves are symmetrically formed in the two sides of the first sliding cavity, a second sliding groove is formed in the outer wall of one end of the holding cylinder, a first avoiding groove is formed in the outer wall, close to one end, of the holding cylinder, and two fixing columns are fixedly connected to the inner wall, close to the first avoiding groove, of the holding cylinder; the auxiliary assembly is used for assisting the patient to place the fixed body position, and the auxiliary assembly is connected with the holding cylinder. By arranging the auxiliary assembly, medical staff can be assisted to turn over a patient before anesthesia, the device is supported after the patient turns over, the situation that the body position is changed due to maloperation of the patient and the operation of an anesthetist is affected is avoided, and the body position requirement needed by the anesthetist during an operation can be rapidly met.

The invention discloses a continuous spinal-epidural anesthesia catheter, and relates to the technical field of medical instruments, the continuous spinal-epidural anesthesia catheter comprises a catheter body and a flexible support frame body arranged in the catheter body, the catheter body comprises a head part and a catheter body part; a plurality of bulges are connected between the head part in the circumferential direction of the catheter body and the catheter body part so as to limit the head part extending into the dura mater; the flexible supporting frame body is used for supporting the catheter wall of the catheter body to be contracted and contracted in the radial direction, so that the catheter body can be converted between an expansion state relative to the initial state and a contraction state relative to the initial state; the flexible support frame body comprises a central frame body and a plurality of support frame bodies; the center frame body extends in the length direction of the catheter body, the multiple supporting frame bodies are connected between the center frame body and the catheter body in the circumferential direction of the center frame body and can divide an inner cavity of the catheter body into multiple independent cavities, and each independent cavity is provided with a corresponding medicine outlet. And the liquid medicine output by the head part entering the dura mater and the liquid medicine output by the tube body part are shunted.

The application discloses a continuous waist hard anesthesia catheter, relates to the technical field of medical devices, and comprises a catheter body and a flexible support frame body arranged in the catheter body. The catheter body comprises a head and a tube body part. A plurality of protrusions are connected between the head and the tube body part in the circumferential direction of the catheter body, so as to limit the head inserted into the spinal dura mater. The flexible support frame body is used for supporting the tube wall of the catheter body to be radially scaled, so that the catheter body can be transformed between an expansion state relative to an initial state and a contraction state relative to the initial state. The flexible support frame body comprises a center frame body and a plurality of support frame bodies. The center frame body extends along the length direction of the catheter body, and the plurality of support frame bodies are connected between the center frame body and the catheter body in the circumferential direction of the center frame body. The catheter body lumen can be divided into a plurality of independent chambers. Each independent chamber is provided with a corresponding medicine outlet, so that the medicine liquid output by the head inserted into the spinal dura mater and the medicine liquid output by the tube body part are shunted.

A support and positioning device used for spinal anesthesia procedure includes a body, an arm rest, a chin rest, and a handle. The arm rest and / or chin rest may be removably attached to the body. Moreover, the arm rest and the chin rest may be adjustable in height and manufactured in varied sizes and shapes. In some embodiments, the handle comprises two hand straps with adjustable height. The support device may also comprise a disposable or washable outer cover with a waterproof zipper, such that the outer cover can be removed from the body to allow for easy disinfection and reuse of the support device in hospital or other health care settings.

The utility model provides an interspinous ligament puncture single-time spinal anesthesia guide needle which comprises a handle and a needle tube, the top end of the needle tube is fixedly connected with the bottom end of the handle, and a chamfer hole is formed in the inner side of the top end of the needle tube; and a plurality of groups of scale marks are arranged on the outer side of the needle tube at equal intervals. The chamfering hole is formed in the inner side of the top end of the needle tube, so that the lumbar anesthesia needle can be conveniently, quickly and smoothly inserted and is not prone to being blocked during use, the insertion efficiency of the lumbar anesthesia needle can be effectively improved, and the operation difficulty can be effectively reduced; the multiple sets of scale marks are arranged on the outer side of the needle tube, so that the puncture depth of the needle tube can be conveniently and rapidly measured during puncture, medical staff can conveniently know the puncture depth in time, and the operation accuracy is improved.

The present invention discloses a manufacturing method of a 3D printed guide plate for spinal anesthesia puncture. The method mainly uses a marker as the basis of a three-dimensional reference system in a fixed body position, and applies a model of a medical image to the three-dimensional reference system to establish and obtain a guide plate. Compared with the traditional method of setting positioning points or locators on the skin, the elasticity of the skin will not cause displacement of the positioning points during the force application process, thereby ensuring accurate positioning and effectively avoiding the risk area of ​​puncture, thereby making the positioning more accurate and effectively reducing the occurrence of spinal anesthesia risks. The method is particularly suitable for spinal anesthesia operations in patients with obesity, spinal deformity, etc.

This invention discloses an auxiliary positioning device for lumbar puncture, including a puncture positioning device comprising a positioning module and an adjustable positioning bracket. The positioning module is mounted on a fixing part of the adjustable positioning bracket, which is fixed on the operating table and allows for adjustment and positional tightening of the positioning module in the X / Y / Z axes. The positioning module is provided with a main calibration hole adapted to the patient's lumbar spine marker points, and at least two sets of the main calibration holes are provided along the lumbar spine axis. The positioning module is also provided with a puncture channel slot adapted to the puncture trajectory. This invention uses an auxiliary device to allow the guide plate to be set in a non-direct contact manner with the patient. Therefore, by resetting the guide plate setting during the modeling process using this auxiliary device, a puncture path adapted to the patient's actual lumbar spine physiological characteristics is formed, improving the puncture success rate and reducing puncture risks.

The invention relates to the technical field of medical monitoring and analysis, in particular to an intra-spinal anesthesia postoperative headache early warning method, device and equipment and a medium, and the method comprises the steps: collecting target ONSD values and various target physiological sign data of a target patient in each time period of intra-spinal anesthesia; based on the target ONSD value of each time node and various target physiological sign data, adopting a prediction model to predict the PDPH risk of the target patient to obtain a prediction result; based on a prediction result, at the initial stage of intracranial pressure drop, corresponding measures are adopted to reduce occurrence of PDPH symptoms, a prediction model is adopted and based on target ONSD values and various target physiological sign data of the patient at all time nodes, so that PDPH risks of the target patient are predicted, and intervention is performed in advance at the initial stage of intracranial pressure drop through advanced early warning, so that the probability of occurrence of the intracranial pressure drop is reduced. The occurrence rate of serious PDPH is obviously reduced.

The application discloses a needle insertion device for a spinal anesthesia puncture operation and an operation method thereof. The needle insertion device comprises a posture adjusting mechanism and a needle insertion mechanism. Four identical spherical scissors mechanism branches of the posture adjusting mechanism are hinged to a top platform and a base in a parallel form, and the top platform is fixedly connected with the needle insertion mechanism. The posture of a puncture needle can be adjusted through the movement of the spherical scissors mechanism. The needle insertion mechanism comprises a rotating mechanism, a feeding mechanism and a needle adapter. The output of a motor is transmitted to a rack through gear transmission to realize the feeding of the puncture needle. The feeding mechanism adopts a epicyclic gear train to realize the rotation of the puncture needle while feeding. The application improves the simplicity of the posture adjustment of the puncture needle, provides a sustainable rotation, automatic feeding and withdrawal of the needle, realizes the coupling of the feeding and rotation of the puncture needle, reduces the driving freedom, and the mechanism is light in weight, thereby reducing the flexure of the needle in the tissue to improve the puncture accuracy.

The invention provides a laser linear array lumbar anesthesia puncture auxiliary device, and relates to the technical field of biomedicine. One side of the connecting and supporting mechanism is inserted into the bottom assembly sliding groove in a sliding mode; the movement control mechanism is connected with the connecting and supporting mechanism; the puncture supporting mechanism is fixedly mounted on the surface of the connection supporting mechanism; the body auxiliary fixing mechanism is fixedly mounted on the surface of the connecting and supporting mechanism; the shape of the device can be changed according to needs, and surgical operation is prevented from being affected; the supporting cylinder can be used for assisting the puncture needle to be stably inserted into the body of a patient; auxiliary bracketing supporting and fixing can be provided for a patient; the problems that in the puncture process, medical workers assist in fixing the body position of a patient, the workload is increased, and manpower waste is caused are solved; the operation experience of a doctor is greatly examined by the puncture operation, and the problems of high risk and uncertainty exist.

The invention relates to an intra-spinal anesthesia puncture guiding device and method, and belongs to the technical field of intra-spinal anesthesia puncture guiding instruments. The intraspinal anesthesia puncture guide device comprises a control seat, a leaning pad and a plurality of supporting legs, the leaning pad is fixedly mounted at the bottom of the control seat, and the supporting legs are fixedly mounted at the bottom of the leaning pad; after the device is attached to the lower back of a patient, the two probing arms can generate displacement changes along with fluctuation of spinous processes through the positioning assembly so as to assist in determining the centerline position of a spinal canal, point position marking is conducted on an intervertebral space through the marking component at the centerline position, and a clear puncture reference is formed; the guiding assembly is aligned with the marked position, the device is fixed, the determined midline and intervertebral space positions are kept, then the needle inserting direction of the anesthesia puncture needle is axially limited and guided through the guiding assembly, and the puncture needle enters along a preset path.