258 results about "Surgical therapy" patented technology

A noninvasive patient-specific method is provided to aid in the analysis, diagnosis, prediction or treatment of hemodynamics of the cardiovascular system of a patient. Coronary blood flow and pressure can be predicted using a 3-D patient image-based model that is implicitly coupled with a model of at least a portion of the remaining cardiovascular system. The 3-D patient image-based model includes at least a portion of the thoracic aorta and epicardial coronaries of the patient. The shape of one or more velocity profiles at the interface of the models is enforced to control complex flow features of recirculating or retrograde flow thereby minimizing model instabilities and resulting in patient-specific predictions of coronary flow rate and pressure. The invention allows for patient-specific predictions of the effect of different or varying physiological states and hemodynamic benefits of coronary medical interventions, percutaneous coronary interventions and surgical therapies.

The invention discloses a microcatheter shape determination method, a microcatheter shaping method, electronic equipment and a medium. The micro-catheter form determination method comprises the following steps: extracting a blood vessel center line of a tumor-carrying blood vessel; constructing a micro-catheter model in an initial form based on the central line of the blood vessel; calculating a directed distance field of the tumor-carrying blood vessel to obtain a boundary constraint of the micro-catheter model; and applying a load to the micro-catheter model under the boundary constraint to calculate the form of the micro-catheter. Through the scheme of the embodiment of the invention, the boundary information inside and outside the tumor-carrying blood vessel can be obtained by calculating the directed distance field of the tumor-carrying blood vessel, so that the boundary information serves as boundary constraint to be added to the calculation process of deformation of the micro-catheter model, collision detection of the micro-catheter and the tumor-carrying blood vessel is realized in the simulation process, and then a reliable micro-catheter form is formed; therefore, the shaping of the microcatheter is guided, and the smooth implementation of embolism and the surgical treatment effect are guaranteed.

The invention provides a surgical positioning error calculation method, a positioning error correction method and equipment. The method is applied to medical images. The method comprises the following steps: acquiring a preoperative two-dimensional medical perspective image of a patient and two-dimensional pixel coordinates and image parameters of a target point in the preoperative two-dimensional medical perspective image, wherein the image parameters comprise basic attributes of the medical perspective image and geometric parameters of an imaging system; calculating three-dimensional world coordinates of the target point according to the two-dimensional pixel coordinates and the image parameters; calculating the three-dimensional world coordinates of the light source points by using the target coordinate conversion matrix; calculating a three-dimensional world coordinate of a rotation center of the imaging system according to the three-dimensional world coordinate of the light source point and the three-dimensional world coordinate of the target point; and calculating an error vector of the three-dimensional world coordinate of the rotation center and the three-dimensional world coordinate of the target point. According to the invention, the error is accurately corrected, and the surgical treatment effect is improved.

Surgical treatment of glaucoma involves creation of a sclerocorneal drainage channel, ensuring long-lasting controlled fluid flow and reduced intraocular pressure. Limitations relate to collateral damage to adjacent structures and outcomes being heavily reliant on the surgeon's expertise. The device described herein addresses such shortcomings. The device comprises a grasping body having a longitudinal axis, and a piercing member coupled to the grasping body, including an elongate body and a beveled piercing tip including a long side and a short side, wherein the piercing member includes a proximal segment, a distal segment, and an aperture nested between the proximal segment and the distal segment, wherein the short side and the aperture are coaxially disposed along a central longitudinal axis of the piercing member, and wherein the piercing member is configured to reciprocate along the longitudinal axis relative to the grasping body.

The invention discloses an ultrasonic anesthesia positioning method and system based on AI preoperative evaluation and a storage medium, and relates to the technical field of medical assistance. The method comprises the following steps: comprehensively collecting body health data of a patient, including a physical examination result, a laboratory examination result and a medical history, reasoning the body health data of the patient based on an operation risk knowledge graph model, and determining an operation risk level; if the operation risk level is higher than a preset risk level value, the operation risk is evaluated again in combination with past operation case information, and if the operation condition is met, the crowd is judged to be the high-risk crowd of the operation; an ultrasonic image of an in-vivo structure of an operation high-risk crowd is collected by utilizing an ultrasonic technology, the ultrasonic image is recognized by utilizing an image recognition AI algorithm, the relationship between an anatomical position and an adjacent part is determined, and then an anesthesia position is determined. The medical quality and the service level can be improved, and safer and more efficient surgical treatment experience can be brought to patients.

The invention discloses a personalized orthopedic surgery planning method based on machine learning, and relates to the technical field of personalized medical treatment, and the method comprises the steps: collecting medical data of a patient, generating a personalized basic data set of the patient, building a risk prediction model, and obtaining a predicted surgical risk score; preprocessing the basic data set, and extracting features of the skeleton structure of the patient based on a deep learning algorithm; training the personalized orthopedic surgery planning model, optimizing the historical patient data based on the personalized orthopedic surgery planning model, and predicting an optimal surgery plan; and outputting a personalized operation scheme according to the trained machine learning model. According to the method, machine learning and personalized orthopedic surgery planning are combined, a personalized surgery scheme is customized for each patient, the most suitable surgery scheme is provided for the patient in combination with historical data and the risk prediction model, the surgical treatment effect and the life quality of the patient are remarkably improved, and the method has wide clinical application prospects.

An endoscope for the minimal invasive examination or surgical treatment of a patient has a flexible tubular shaft for insertion into the patient, a grip attached to a proximal end of the shaft for holding the endoscope, and at least one hollow tube. The shaft has at least one groove extending axially along an outer face of the shaft and in which the tube is removably housed. The tube has at least one working channel for guiding a surgical instrument, and / or carrying water or air to or providing suction at the shaft distal end. The shaft groove and the tube are dimensioned relative one another such that at least one free section of the tube is afforded play in the groove. In the straight extended state of the shaft, the at least one free section has an exterior cross-section which is slightly smaller than an interior cross-section of the groove.

Systems, devices, and methods for controlling cooperative surgical instruments are provided. Various aspects of the present disclosure provide for coordinated operation of surgical instruments accessing various surgical sites from different or shared surgical approaches to achieve a common or cooperative surgical purpose. For example, various methods, devices, and systems disclosed herein can enable the coordinated treatment of tissue by disparate minimally invasive surgical systems that approach the tissue from varying anatomical spaces and must operate differently, but in concert with, one another to effect a desired surgical treatment.

The utility model provides a fixing suite for a minimally invasive surgery of transverse patella fracture, which belongs to the field of medicine and comprises a steel wire with a needle. One end of the steel wire through hole guider is handheld and can be locked, and the other end of the steel wire through hole guider is provided with a steel wire access hole channel for guiding; the tip and the edge of one end of the anterior patellar dissection guider are sharp, a steel wire channel is arranged in the middle and used for being inserted into anterior patellar soft tissue and bringing out a steel wire, and the other end is handheld. The patella transverse fracture minimally invasive internal fixation device solves the problem that no suitable surgical instrument exists in the patella transverse fracture minimally invasive internal fixation technology, assists in completing patella steel wire conduction, achieves surgical treatment on the premise of minimally invasive surgery, avoids the problems of soft tissue contusion, incision infection, steel wire torsion fracture, too long radiation exposure and the like in the surgical process, and improves the working efficiency. And fracture reduction and fixation are completed on the premise of receiving the lowest limit value of radiation.

The utility model discloses an auxiliary counting system for surgical articles. The auxiliary counting system comprises a control terminal, and an image acquisition module, a voice acquisition module, a voice recognition module and an article recognition module which are in communication connection with the control terminal, the image acquisition module is used for acquiring an image of a whole use process of an operation article in an operation and sending image data to the control terminal; according to the technical scheme of the utility model, based on the combination of RFID instrument counting and voice recognition counting, nurses are assisted in counting and recording the surgical articles, so that the missing or redundant articles can be accurately detected. The occurrence probability of counting mistakes and omissions is effectively reduced, medical negligence is avoided, and the operation safety of a patient is guaranteed; secondly, information of all instruments can be instantly read through the RFID technology, a large amount of working time of medical workers is saved, and the medical workers have more energy to put into operation treatment work.

A glaucoma treatment apparatus including an imaging device capable of imaging the anterior segment of the eye, a treatment laser, an algorithm programmed to determine a location and a cross sectional area of a treatment based on a customized anatomy of the anterior segment of the eye including the trabecular meshwork (TM), the Schlemm's Canal (SC) and collector channels (CCS), obtained from pre-operative images of the anterior segment of the eye, a pre-operative intraocular pressure (IOP) level and a target IOP reduction as an inputs, and a processor configured to actuate the apparatus to create an outflow channel with a cross-sectional area and location or multiple outflow channels with multiple cross-sectional areas and locations from the anterior chamber (AC) to the SC across the TM, as determined by the algorithm to achieve the target intraocular pressure (IOP) reduction. Also disclosed is a method of reducing intraocular pressure in an eye.

The invention belongs to the technical field of artificial intelligence and biomedicine, and provides an orthognathic surgery treatment suggestion generation system, method, equipment and medium in order to assist doctors in generating orthognathic surgery suggestions. Inputting the preprocessed orthognathic medical data of the patient into a prediction model to obtain orthognathic surgical treatment suggestion auxiliary information of the patient; wherein the prediction model is obtained by training a Transform network model; in the training process of the network model, feed-forward network parameters of the r network model are adjusted based on a bidirectional coupling grey wolf optimization algorithm, and in the process of optimizing the feed-forward network parameters by the bidirectional coupling grey wolf optimization algorithm, a search strategy is dynamically adjusted based on the importance of orthognathic features; and the performance of the network model in processing high-dimensional, nonlinear and dynamically changing orthognathic data is improved.

Surgical treatment of glaucoma involves creation of a sclerocorneal drainage channel, ensuring long-lasting controlled fluid flow and reduced intraocular pressure. Limitations relate to collateral damage to adjacent structures and outcomes being heavily reliant on the surgeon's expertise. The device described herein addresses such shortcomings. The device comprises a body for grasping, a piercing member including a proximal segment and a distal segment, the distal segment including a piercing tip at a distal end thereof, and a distal stabilizer element extending from a distal end of the body, the distal stabilizer element including a lumen, wherein the piercing member is configured to reciprocate from a stored position, wherein the proximal segment is retracted within the stabilizer lumen and the piercing tip extends outwardly from the stabilizer, and an extended position, wherein the distal segment and at least a portion of the proximal segment extend outwardly from the stabilizer.

Systems, devices, and methods for controlling cooperative surgical instruments are provided. Various aspects of the present disclosure provide for coordinated operation of surgical instruments accessing a common body cavity of a patient from different approaches to achieve a common surgical purpose. For example, various methods, devices, and systems disclosed herein can enable the coordinated treatment of surgical tissue by disparate minimally invasive surgical systems that approach the tissue from varying anatomical spaces and operate in concert with one another to effect a desired surgical treatment.

The invention discloses a puncture device and a puncture method thereof, and belongs to the technical field of medical instruments.In the puncture device, a limiting piece is arranged on a second component, and the limiting piece is used for limiting a first component, so that the first component can drive the second component to move towards a third component; the guide pipe is connected with the second component, so that the guide pipe can move along with the second component; the puncture needle can be connected with the first component, so that the first component drives the puncture needle to move when moving, the catheter can be driven to penetrate through the tissue together when the puncture needle punctures, the puncture needle can be withdrawn, the catheter is left in the tissue for subsequent operative treatment, and damage to the tissue in an operation is reduced.

The invention discloses a traditional Chinese medicine composition for treating infantile traumatic swelling and pain. The traditional Chinese medicine composition comprises the following raw material medicines: radix rehmanniae recen, radix paeoniae rubra, angelica sinensis, ligusticum wallichii, herba lycopi, pericarpium citri reticulatae viride, poria with hostwood, liquorice, Chinese starjasmine stem, fried malt and fried endothelium corneum gigeriae galli. The invention also provides a traditional Chinese medicine compound preparation and application thereof in preparation of a medicine for treating infantile traumatic swelling and pain. The composition disclosed by the invention has the effects of promoting blood circulation to remove blood stasis, softening hardness to dissipate stagnation, relieving swelling and pain and promoting swelling fading, is high in effective rate and capable of accelerating the process of rehabilitation treatment or subsequent operative treatment, and has relatively high clinical value.

The present invention discloses a grinding type bone particle preparation device, which comprises a shell, a lower grinding disc, an upper grinding disc, a driving mechanism, a feeding pipe, a discharging channel and a discharging channel; an inner cavity is provided in the shell, the lower grinding disc is arranged in the inner cavity and fixedly connected to the shell, a bone grinding gap is formed between the upper grinding disc and the lower grinding disc, and the driving mechanism is used to drive the upper grinding disc to rotate; the feeding pipe is used to access and transport bone blocks to the bone grinding gap, the discharging channel is connected to the bone grinding gap and is used to discharge the bone crushing particles in the bone grinding gap to the bottom of the inner cavity, and the discharging channel is connected to the bottom of the inner cavity and is used to discharge the bone crushing particles located at the bottom of the inner cavity. The present invention can crush bone blocks into bone crushing particles, can improve the efficiency of crushing bone blocks, can improve the stability and uniformity of the size of bone crushing particles, and thus can improve the effect of surgical treatment, and is easy to use.

1. Name of the product of this design: Dental handpiece (C7‑7). 2. Purpose of the product with this design: The product with this design is used as a tool for oral surgery. 3. The design focus of this appearance design product lies in the overall appearance of the product. 4. The picture or photo that best illustrates the key points of the design: 3D drawing of Design 1. 5. Other situations that require explanation: This design is a series design, and Design 1 is designated as the basic design.

Systems, devices, and methods for controlling cooperative surgical instruments are provided. Various aspects of the present disclosure provide for coordinated operation of surgical instruments accessing various surgical sites from different or shared surgical approaches to achieve a common or cooperative surgical purpose. For example, various methods, devices, and systems disclosed herein can enable the coordinated treatment of tissue by disparate minimally invasive surgical systems that approach the tissue from varying anatomical spaces and must operate differently, but in concert with, one another to effect a desired surgical treatment.

The present invention relates to a medical device, which comprises: an infusion catheter; a blocking mechanism, comprising a balloon and a catheter body; the balloon is arranged on the outer surface of the infusion catheter; the catheter body is connected to the balloon, and is used to infuse a filling agent into the balloon; and a supporting mechanism, comprising a supporting body and a driving body, the supporting body is arranged on the outer surface of the infusion catheter and is located at the proximal end of the balloon; the driving body is connected to the supporting body, and is used to drive the supporting body to expand outward or contract inward along its radial direction. When the medical device is used for surgical treatment of aortic dissection, it can provide a clean surgical field, facilitate the doctor's operation, and significantly reduce the circulatory arrest time and reduce the damage to the important organs of the patient's lower body.

The utility model discloses a split type flushing aspirator, which belongs to the technical field of medical instruments and comprises a handle and a tube assembly detachably connected to the front end of the handle, and the tube assembly comprises a suction tube, a flushing tube sleeved on the outer side of the suction tube and an external thread seat fixed at the near end of the flushing tube. The two ends of the flushing pipe are fixedly welded to the outer wall of the suction pipe, liquid outlet holes communicated with a radial gap between the suction pipe and the flushing pipe are formed in the two ends of the flushing pipe, a T-shaped connecting column allowing the near end of the suction pipe to be inserted therein is formed at the front end of the handle, and the outer side of the T-shaped connecting column is sleeved with a loose joint nut matched with the external thread base. A first channel in sealing contact with the near end of the suction tube and a second channel communicated with an annular gap formed between the suction tube and the T-shaped connecting column are arranged in the handle. Tube assemblies of different specifications can be replaced to adapt to different wound operations, and convenience in the operation treatment process is guaranteed.

The utility model discloses an operation assembly and an endoscope. The operation assembly further comprises a handle main body, a front end part, a driving part and a locking structure; the front end part is arranged at the front end of the handle main body; the driving part is connected with the front end part, and the driving part moves to adjust the movement of the front end part; the locking structure is arranged close to the rear end of the handle main body and comprises an adjusting part and a locking part which are connected with each other; the adjusting part rotates under the action of external force and drives the locking part to move, so that the locking part has a locking state which acts on the driving part and enables the driving part to be fixed relative to the handle main body, and has an unlocking state which enables the locking part to be separated from the driving part and enables the driving part to move relative to the handle main body; when the locking state and the unlocking state are switched, the one-way rotation stroke of the adjusting part is not larger than 90 degrees. The adjusting part can be better located in a hand operation area of an operator, operation is more convenient and faster, the operation comfort level is higher, and the surgical treatment efficiency can be improved.

The present invention provides a medicinally active extract obtained from the plant Polyspora axillaris ( Polygala japonica Houtt. ), which contains flavonol compounds of the following formula (I) as the first active ingredient, and optionally contains xanthone compounds of the following formula (II) as the second active ingredient and glycolipid compounds of the following formula (III-1) or (III-2) as the third active ingredient. Animal experiments have confirmed that the drug of the present invention is significantly superior to potassium sodium hydrogen citrate in typical test indexes such as calcium oxalate crystal aggregation, renal interstitial inflammatory cell infiltration and renal tubular dilation lesions, indicating that it has extremely good potential and market prospects in the treatment of urinary system lithiasis and urinary tract infections or kidney injuries caused by urinary system lithiasis, and as an adjuvant drug after surgical treatment of urinary system lithiasis. (I) (II) (III).

The invention relates to a hemostasis device. The hemostasis device is used for endoscopic surgery and comprises a hemostasis part used for stopping bleeding of a target object and comprising a contact surface which is configured to be capable of being attached to the target object; the operating part is configured to be connected to an external power supply, and the operating part can control the hemostasis part to move, so that the contact surface can be attached to a target object; one end of the conductive part is connected to the hemostasis part, the other end of the conductive part is connected to the operation part, and the conductive part is configured to convey current of an external power supply to the hemostasis part. The hemostasis device is simple in structure and convenient to operate, hemostasis of a target object can be rapidly and effectively achieved, and the surgical treatment effect is improved.

The invention relates to joint non-surgical treatment, in particular to the technical field of medical apparatuses and instruments, and discloses a leg rehabilitation nursing device which comprises an electric push rod, a massage part is arranged on the electric push rod, an adaptive part is arranged on the massage part, monitoring parts are arranged on the massage part and the adaptive part, a supporting part is mounted on the electric push rod, and the supporting part is connected with the electric push rod. A binding part is installed on the supporting part, the massage part comprises a first connecting arm, the first connecting arm is fixedly arranged on an outer rod of an electric push rod in a sleeving mode, and a frame is fixedly connected to the first connecting arm. The functions of leg stretching or bending training, synchronous kneading massage and targeted blood circulation activating are integrated, equipment does not need to be replaced, operation is simplified, and space is saved; the rehabilitation continuity is improved, training, massaging and blood activating are synchronously carried out, muscle tension is relieved in a targeted mode, blood circulation is promoted, the rehabilitation scheme is optimized in cooperation with electromyographic signal monitoring, function recovery and function integration is accelerated, and the problem of traditional instrument splitting is solved.

The present invention relates to the field of medical data mining technology and proposes a prostate cancer recurrence risk prediction system based on multimodal data. The system comprises the following steps: collecting physiological parameters and discomfort moments of prostate cancer patients after surgical treatment, marking target discomfort moments and obtaining discomfort moments adjacent to the target discomfort moment; obtaining the rise-fall ratio of physiological parameters of the same type at the target discomfort moment; dividing and updating abnormal data display intervals; determining the comprehensive convolution kernel scale of the prostate cancer patient at the target discomfort moment based on the correlation between any two different types of physiological parameters, the duration of the abnormal data display interval of the physiological parameters, and the rise-fall ratio of all types of physiological parameters at the target discomfort moment; and predicting the prostate cancer recurrence risk of the prostate cancer patient based on the comprehensive convolution kernel scale. The present invention can effectively manage the risk of prostate cancer recurrence.

The utility model discloses an endoscopic tubular stomach protective sleeve, relates to minimally invasive esophageal cancer resection surgical treatment field, including tubular sleeve, spacing subassembly and contraction subassembly, tubular sleeve one side is provided with arc-shaped sleeve, and the end part one side of arc-shaped sleeve is provided with small hole. According to the tubular stomach protection sleeve under the endoscope, by arranging the arc-shaped sleeve, the straight sleeve, the limiting assembly and the contraction assembly, in the using process of the tubular stomach protection sleeve under the endoscope during minimally invasive esophageal cancer resection operation treatment, the structure is simple, medical staff can conveniently use the tubular stomach protection sleeve, the efficiency of the medical staff is improved, and the economic cost is reduced; the tubular stomach protection sleeve is simple in structure, convenient to use, capable of reducing tubular stomach injury and more conforming to the minimally invasive concept, meanwhile, medical staff can conveniently shrink the end of the tubular stomach protection sleeve to a certain extent according to the actual situation, the situation that the end is loosened when shrunk is avoided, it is guaranteed that the end can be smoothly shrunk, and the medical staff can conveniently use the tubular stomach protection sleeve.

A visual and precise corneal cross-linking astigmatism correction system guided by corneal topography imaging includes a cross-linking treatment module, a real-time detection module and a control module. The cross-linking treatment module is used to output a light spot for realizing corneal cross-linking treatment. The real-time detection module is used to detect the eye morphology and corneal topography imaging during treatment in real time in synchronization with the cross-linking treatment, and dynamically locate the astigmatism treatment axis according to the real-time detected corneal topography changes. The control module generates a corneal cross-linking pattern scheme according to the corneal topography detected and imaged in real time by the real-time detection module and the dynamically located astigmatism treatment axis, and controls the cross-linking treatment module to output the light spot according to the corneal cross-linking pattern scheme, thereby realizing corneal cross-linking astigmatism correction guided by corneal topography imaging. During the cross-linking treatment process, the corneal topography changes are detected in real time, the astigmatism treatment axis is accurately located, and the treatment pattern is dynamically and real-time output accordingly, which greatly improves the accuracy of the cross-linking output pattern and can achieve better surgical treatment effects.

The invention discloses a wrist joint brace which comprises an upper fixing plate, a lower fixing plate and a connecting piece, the connecting piece is used for connecting the upper fixing plate and the lower fixing plate, an annular cavity is formed between the upper fixing plate and the lower fixing plate, an annular air bag is arranged in the annular cavity and connected with an inflation and deflation device, and the inflation and deflation device is connected with a control module. A pressure detection device is arranged on the surface of the annular air bag and connected with the control module. According to the wrist joint brace, the pressure of the annular air bag on the wrist joint of the human body is monitored in real time through the pressure detection device, the fixing state of the wrist joint brace can be adjusted in time, the occurrence rate of complications / disability is effectively avoided, the operation, treatment and rehabilitation effects are guaranteed, and the pain of a patient is relieved; the value of pressure applied to the wrist joint position of the patient by a doctor is expected, standardization and scientization of the wearing and fixing tightness degree of the wrist joint brace are facilitated, and the comfort degree of the patient is improved.

The invention belongs to the technical field of biomedical materials. The invention provides microspheres for promoting Ext1 expression and relieving osteoarthritis and a preparation method of the microspheres. The microspheres comprise gelatin microspheres and bone marrow mesenchymal stem cells loaded on the microspheres. In the field, the effects of promoting Ext1 gene expression and relieving osteoarthritis are achieved for the first time under the condition that exogenous drugs are not adopted; meanwhile, the action time of the invention can be as long as 30 days. The invention provides a new direction for clinical treatment of osteoarthritis in the future, has huge potential in the aspects of personalized and non-surgical treatment, can reduce dependence on drugs and improve joint health, and provides an economical and practical solution.