30705 results about "Medical instruments" patented technology

An exemplary image segmentation method and system that employs, in a deep neural network, (i) an attention gate that fuses features with skip connections and (ii) a graph or multi-scale convolutional attention module that enhances the long-range and local context. The segmented region or image data derived in part from the segmented region can be subsequently employed for diagnosis, controls, planning, assessment, or analysis of various diseases. The image data can be medical images (e.g., from medical instruments), sensor images or videos (e.g., from smart phones, cameras, satellites, etc.), as well as 3D objects or volume.

A teleoperative system includes a first manipulator assembly, a second manipulator assembly, a first medical instrument movable by the first manipulator assembly, a second medical instrument movable by the second manipulator assembly, a first alignment component positioned on the first manipulator assembly, a second alignment component positioned on an entry port, and a control system configured to record a position of the first manipulator assembly in response to receiving a user input indicating that the first alignment component is aligned with the second alignment component. The second medical instrument is sized and shaped to fit and move within the first medical instrument.

The invention relates to the technical field of medical instruments, in particular to a postpartum rehabilitation magnetic therapy device and method.The postpartum rehabilitation magnetic therapy device comprises a placement plate used for being placed on a chair, a magnetic therapy coil used for placing the sacral region is embedded in one side of the top end of the placement plate, and an anus lifting assembly is arranged on the magnetic therapy coil; auxiliary massage assemblies for placing two sides of legs are connected to the top end of the placement plate and located on two sides of the anus lifting assembly, and the input end of the magnetic therapy coil is connected with the output end of the rectifier; through the use of the anus lifting assembly, under the magnetic therapy effect of the magnetic therapy coil, people can be helped to carry out anus lifting movement, so that postpartum disc bottom repair is more perfect, through the use of the auxiliary massage assembly, legs at the disc bottom position can be massaged up and down, surrounding muscles move along with the legs, and the postpartum repair effect is improved.

The invention provides an instrument log recording and intelligent analysis method in a medical instrument software system, and the method comprises the steps: carrying out the preprocessing of operation log data of medical instrument equipment, carrying out the unified conversion of the log data of different sources and different formats, and obtaining the operation log data of the medical instrument equipment after the standardization processing; mining operation state change rules and abnormal modes of the medical equipment in different diagnosis and treatment stages through a time sequence mode according to the extracted log data semantic features in combination with the diagnosis and treatment workflow of the medical equipment; and analyzing the actual process of the equipment participating in the diagnosis and treatment activity from the equipment log data, and comparing and analyzing the actual process with a standard diagnosis and treatment work process to determine the information of the diagnosis and treatment work process, including a key path, a bottleneck link and an abnormal deviation.

The invention discloses a test system and method for an artificial heart valve implant, and relates to the technical field of medical instrument detection. The system comprises a ventricle simulator, an atrium simulator, a circulation loop, a high-speed camera and a laser generator, wherein an artificial heart valve is arranged in the high-transparency compliance valve testing cavity, and the circulation loop is composed of a blood vessel compliance simulator and a blood vessel damping simulator. The circulation loop simulates a blood flowing environment for the artificial heart valve, and a flowing medium is added with tracer particle turbid liquid; the ventricle simulator, the atrium simulator, the vascular damper and the vascular compliance simulator respectively provide power, storage space, resistance and pulse pressure for the flowing medium; and the laser generator and the high-speed camera act together to obtain a particle image behind the artificial heart valve. The particle image is uploaded to a computer for heart valve pulsating flow field visualization analysis based on the digital particle image velocity measurement technology, and therefore quantitative analysis of the risk after the heart valve is implanted into the expected position is achieved.

A recombinant humanized collagen and a preparation method therefor. The recombinant humanized type III collagen can be efficiently and stably expressed in three expression systems of yeast, Escherichia coli, and CHO cells, and has the biological activity superior to that of a commercially available collagen product. The recombinant humanized type III collagen has structural characteristics and functional activity similar to those of a natural collagen, and thus has wide application prospects in biomedical materials, tissue engineering products, cosmetics, foods, health care products or drugs, medical instruments, medical cosmetology and the like.

A system, apparatus and method directed to placing a medical instrument in a patient body, where the system includes the medical instrument having a first optical fiber, a console and an interconnect having a second optical fiber to receive incident light from the console and propagate the incident light to the medical instrument. The interconnect includes a predetermined bend along its length, such that logic of the console may determine a positioning and an orientation of the medical instrument relative to the predetermined bend. Additionally, the logic may generate a display of the medical instrument based on the reflected light signals and the determination of the positioning and the orientation of the medical instrument relative to the predetermined bend, where the display may be rendered as an overlay on an ultrasound image.

The invention provides an Internet big data analysis method and system based on artificial intelligence, and the method comprises the steps: collecting heterogeneous data of different data sources from the medical equipment industry, carrying out the standardization processing, carrying out the key feature extraction of the data after the standardization processing, and carrying out the fusion into a unified comprehensive feature vector; generating a dynamically updated user portrait according to the comprehensive feature vector; a dynamically updated knowledge graph is constructed by combining the medical instrument industry with the dynamically updated user portrait, so that the market change is kept in the latest state; market analysis is carried out by using the knowledge graph, and product demand prediction and user recommendation are provided; and providing a personalized marketing scheme according to the comprehensive market strategy suggestions, and performing real-time optimization. Through fusion processing of the multi-dimensional data and construction of the industry knowledge graph, comprehensive capturing and dynamic updating of user requirements are achieved, intelligent market decision support based on the knowledge graph is provided, and the limitation of the prior art is overcome.

Disclosed herein is a system, apparatus and method directed to placing a medical instrument in a vasculature of a patient body, where the medical instrument includes an optical fiber having one or more core fibers. The system also includes a console having non-transitory computer-readable medium storing logic that, when executed, causes operations of providing an incident light signal to the optical fiber, receiving a reflected light signal of the incident light, processing the reflected light signals associated with the optical fiber and determining a location of a distal tip of the medical instrument within the patient body. The medical instrument may be steerable in one of various methods including having a predetermined curvature, a distal tip that is magnetic, magnetized, metallic or ferrous and is steerable by an external magnetic device or a having a variable stiffness at a distal tip.

The invention relates to the technical field of medical instruments, and particularly discloses a high-precision automatic vein blood sampling system and method, and the system comprises an optimal puncture blood vessel decision module which determines an optimal puncture blood vessel data set; the dynamic ultrasonic data acquisition module is used for guiding an ultrasonic probe on a mechanical arm to perform skin fitting ultrasonic imaging based on the optimal puncture blood vessel coordinate under the camera coordinate system to obtain dynamic ultrasonic data of the optimal puncture area; the ultrasonic blood vessel data acquisition module performs enhancement and ROI extraction on blood vessel signals in the dynamic ultrasonic data; an ultrasonic blood vessel data analysis module extracts all potential blood vessel form distribution data sets from the time sequence blood vessel ROI candidate set, and performs puncture optimization degree and credibility analysis on all the potential blood vessel form distribution data sets to determine a final needle insertion point and a final puncture angle; the vein blood sampling puncture control module is used for controlling a puncture needle to perform puncture blood sampling at a final puncture position at a final puncture angle; the device is used for realizing high-precision automatic control of vein blood sampling.

The invention relates to the technical field of medical instrument control, in particular to a lung biopsy sampling needle stabilizing method and system based on dynamic respiration compensation. The stabilizing method comprises the following steps: acquiring a respiratory movement signal of a patient in real time through a multi-source biosensor, wherein the multi-source biosensor comprises an optical fiber strain sensor array, a diaphragm myoelectricity sensor and a respiratory airflow sensor which are deployed at the chest and abdomen. According to the method, millimeter-microsecond-level accurate and stable control over the lung biopsy sampling process is achieved by establishing a cooperation mechanism of a breathing phase-displacement nonlinear mapping model and a macro-micro composite driving framework. The biological rationality of displacement prediction is improved through deep coupling of multi-mode breathing signals, and the chest wall non-uniform deformation gradient is analyzed in space based on cross topology deployment of an optical fiber strain sensor in an intercostal space area in combination with cross-scale feature fusion of myoelectricity and airflow sensing.

The invention relates to the technical field of medical instruments, in particular to a nerve stimulation electrode based on a shape memory material. The nerve stimulation electrode comprises a flexible packaging electrode body and a substrate crease layer arranged on the surface of the flexible packaging electrode body. The material of the substrate crease layer comprises a shape memory polymer and a nano ferromagnetic material; the substrate crease layer comprises a first bending part which is used for enabling the flexible packaging electrode body to be folded along the length direction of the flexible packaging electrode body. The nerve stimulation electrode can solve the problems that an existing nerve stimulation electrode is hard in appearance, large in overall mass, poor in flexibility and complex in implantation operation.

The invention discloses a recombinant humanized XVII type collagen as well as an expression vector and a genetically engineered bacterium thereof. Four functional fragments with high activity are obtained through screening, one of the fragments is optimized and then combined according to a certain sequence to obtain recombinant humanized XVII type collagen JYC1703, or one of the fragments is optimized and then combined according to a certain sequence, and GPP sequences are fused at an amino terminal and a carboxyl terminal respectively to obtain recombinant humanized XVII type collagen JYC1701 and JYC1702, and the recombinant humanized XVII type collagen JYC1701 and JYC1702 are combined according to a certain sequence to obtain the recombinant humanized XVII type collagen JYC1701 and JYC1702. After codon optimization, amplifying and cloning into an expression vector, transforming into pichia pastoris competent cells after enzyme digestion linearization, and screening high-copy recombinants through G418 resistance gradient, so as to obtain pichia pastoris genetically engineered bacteria for expressing recombinant humanized XVII type collagen. The recombinant humanized XVII type collagen JYC1701, JYC1702 and JYC1703 disclosed by the invention show excellent functions of promoting cell adhesion, cell proliferation and cell migration, and are suitable for preparing products such as skin care products or medical instruments and the like.

The invention belongs to the technical field of medical instruments, and particularly relates to an endoscope and a front end assembly thereof. The front-end assembly comprises a front-end base and an instrument tube, a containing space is formed in the front-end base, a first instrument opening and a second instrument opening are formed in the front-end base at intervals, the first instrument opening and the second instrument opening are both communicated with the containing space, and the far end of the instrument tube extends into the containing space. The instrument tube can move relative to the front end seat so as to be switched between a first position and a second position, and when the instrument tube is located at the first position, a first instrument passage is formed between the near-end opening of the instrument tube and the first instrument opening; and when the instrument tube is positioned at the second position, a second instrument passage is formed between the near-end opening of the instrument tube and the second instrument opening. The problem that at present, medical instruments such as lithotripsy tools can reach a limited area in a human body can be solved.

The invention relates to the technical field of use of medical instruments, and discloses a household pelvic floor muscle rehabilitation training scheme intelligent generation method and system.In the rehabilitation training process, selection operation of a pelvic floor muscle dynamic model and a local scheme generation model is introduced, on one hand, the pelvic floor muscle dynamic model is used for elastic reaction simulation, and on the other hand, the pelvic floor muscle dynamic model is used for local scheme generation; on the other hand, a local scheme generation model matched with the real situation of the target training stage is selected, so that the real situation of the target training stage can be evaluated through the matched local scheme generation model; according to the accurate and credible local stage evaluation data and stage test data of the target training stage, a more matched targeted training scheme is obtained, accurate and high-quality data dependence is provided for adjusting a global rehabilitation training scheme, and the intelligent level of training scheme generation can be improved; therefore, the household rehabilitation training effect of pelvic floor muscles is effectively improved.

The invention discloses a preparation method of a medical titanium-zirconium alloy bar wire. The preparation method comprises the processes of ingot casting, forging, quenching, hot rolling, quenching, cold rolling, recrystallization annealing, severe plastic deformation, drawing, straightening, annealing and surface treatment. The microstructure of the alloy is regulated and controlled by introducing high-density defects into the material through severe plastic deformation and combining quenching heat treatment, preparation of the titanium-zirconium alloy with high strength and plasticity and good fracture toughness is achieved, and equiaxial ultra-fine grain titanium-zirconium alloy bars and wires with the diameter ranging from 1 mm to 8 mm and the length larger than 600 mm can be produced in batches. High strength and high fatigue strength can be obtained, and the requirements of dental medical instruments for raw materials are met.

The invention relates to the technical field of medical instruments, and provides a vacuum sealing drainage dressing and a wound surface treatment device.The vacuum sealing drainage dressing comprises a sealing layer and a dressing layer which are sequentially arranged in a stacked mode from top to bottom, and further comprises a drainage assembly; the drainage assembly comprises a sucker and a drainage tube, the sucker is arranged at the adsorption opening of the sealing layer, and the drainage tube is connected to the sucker; the dressing layer is of a porous structure, hole walls are communicated with one another to form a continuous channel, the dressing layer is provided with a flexible plasma patch, the flexible plasma patch is suitable for generating plasma acting on a wound surface, and the flexible plasma patch is provided with through holes communicated with pores. The flexible plasma patch is integrally arranged on the dressing layer, negative pressure drainage and wound sterilization and disinfection combined healing promoting treatment can be achieved, the wound or wound treatment process can be simplified, inconvenience caused by frequent dressing change is reduced, and the faster and better healing effect is achieved.

The invention discloses a laser cutting method for cutting complex shapes, and particularly relates to the field of laser cutting. A three-dimensional curved surface model of a to-be-cut workpiece is obtained, and a surface normal tensor field is constructed; extracting a driving point set based on the curvature derivative and generating a sliding path network; constructing a laser power density mapping model in combination with the thermal diffusion response model and the thermophysical parameters of the material; thermal feedback images are collected in the cutting process, an energy offset function is constructed, laser focus displacement and the scanning rate are dynamically adjusted through fuzzy control, and closed-loop control over power, paths and thermal feedback is achieved; according to the method, self-adaptive adjustment of laser power distribution, curved surface adaptation of a cutting path and thermal field real-time compensation in the machining process can be achieved under a complex geometric structure, the cutting precision, stability and energy efficiency are effectively improved, and the method is suitable for laser machining application of high-requirement complex structures such as aerospace, mold manufacturing and medical instruments.

To provide an optical system capable of enhancing coupling of light from a light source to an optical fiber, particularly an optical system that can be incorporated into medical instruments such as endoscopes.SOLUTION: There is provided an optical system. The optical system comprises a lens including an input surface for receiving light from at least one light source and an output surface through which the light exits the lens, the lens further including a peripheral surface extending between the input surface and the output surface and configured to direct, via total internal reflection, at least a portion of the light incident thereon through the output surface to an output focal point. The optical system can further comprise a tapered light pipe optically coupled to the lens and a light guide (e.g., one or more optical fibers) that is optically coupled to the tapered light pipe. The lens directs the received light to an output focal point that is disposed within the tapered light pipe.SELECTED DRAWING: Figure 3A

The invention discloses a driving structure of a traction rope, an operating handle and an endoscope, and relates to the technical field of medical instruments, the driving structure comprises a guide part and a traction wheel, the guide part is used for winding the traction rope and enabling the winding-in direction and the winding-out direction of the traction rope in the guide part to be opposite, and the traction wheel is rotationally arranged relative to the guide part. The traction wheel is provided with a connecting part which is used for being connected with the near end of the traction rope. The connecting part can rotate by the same angle along with the traction wheel, the connecting part rotates relative to the guide part, and the traction ropes located on the two sides of the guide part are tensioned or loosened. And when the traction wheels rotate at the same position, the overall tensioning or loosening distance of the traction rope is longer. Compared with the prior art, the endoscope has the advantages that the range of shifting the regulation and control part by medical staff can be reduced, the small shifting range is more suitable for long-time operation of the medical staff, discomfort caused by operation of the operating handle by the medical staff is reduced, and the using effect and the application prospect of the endoscope are improved.

The invention belongs to the field of medical instruments, and particularly relates to a medical instrument related pressure damage prediction and early warning method and system. The method mainly comprises the following steps that a multi-sensor network is adopted, a key area where a patient makes contact with a medical instrument is covered, key area data are collected, preprocessing, filtering and denoising are conducted on the collected original data of the key area so that abnormal values and noise interference can be eliminated, and a solid foundation is laid for subsequent data analysis; and carrying out data fusion, feature extraction and model construction on the preprocessed data, predicting the MDRPI risk by using an MDRPI risk prediction model, carrying out risk assessment in combination with the specific condition of a patient, and giving an alarm in time when the risk is high. According to the MDRPI risk prediction method, accurate prediction of the MDRPI risk is realized through the MDRPI risk prediction model, false report and missing report are reduced, continuous optimization of the model is promoted through an intelligent feedback mechanism, and the prediction accuracy and the system applicability are improved.

Systems and methods for automatically populating a post-operative report of a surgical procedure are disclosed. A system may include at least one processor configured to implement a method including receiving an identifier of a patient, an identifier of a healthcare provider, and surgical footage of a surgical procedure performed on the patient. The method may include analyzing frames of the surgical footage to identify phases of the surgical procedure based on interactions between medical instruments and biological structures and, based on the interactions, associate a name with each phase. The method may include determining a beginning of each phase and associating a time marker with the beginning of each phase. The method may include populating a post-operative report with the patient identifier, the names of the phases, and time markers associated with the phases in a manner that enables the health care provider to alter the post-operative report.

The invention discloses a multi-mode-based self-adaptive control method and system for energy surgical equipment, and relates to the technical field of medical instrument control. The invention discloses a multi-mode-based self-adaptive control system for energy surgical equipment. The multi-mode-based self-adaptive control system comprises a waveform mode generation module, a real-time tissue parameter acquisition module, an acting tissue prediction module, a data analysis and decision module, a self-adaptive control output module and a safety monitoring and abnormal response module. By monitoring the contact area of the equipment electrode and the tissue in real time, the waveform mode and the output power are dynamically adjusted, and the uniformity and the high efficiency of energy transfer are ensured; on the basis of a tissue prediction model of individual characteristics of a patient, prior analysis is carried out by utilizing data acquired in real time, and response lag caused by drastic change of tissue states is avoided by predicting the tissue states at the next moment and adjusting waveform modes and parameters in advance, so that the prospective regulation and control capability of energy surgical equipment is remarkably improved.

The embodiment of the invention provides a medical instrument digital supply chain batch intelligent management method and device, and the method comprises the steps: guaranteeing the data safety in combination with a block chain technology, achieving the accurate demand prediction through deep learning, achieving the intelligent inventory optimization capability, enabling a system to quickly respond to the market change, and enabling the system to be more intelligent. Automation and intelligence of replenishment decision are realized; the overall operation efficiency of the medical instrument supply chain is effectively improved.

The invention belongs to the technical field of medical instruments, and discloses a dynamic pressure adjusting thoracic surgery anti-blocking drainage system which comprises a drainage tube, a drainage bag, a backflow tube, a positioning disc, an electric rotating disc, a blade, an electric vacuum pump and a monitoring mechanism. A drainage tube and a return tube are arranged on the special-shaped tee joint; the tail end of the return pipe is connected with the input end of the electric vacuum pump; the output end of the electric vacuum pump communicates with the drainage bag; a protective shell is arranged on the positioning disc; an electric turntable is arranged on the protective shell, a plurality of blades are arranged at the tail end of a movable rod of the multi-stage medical electric push rod, and a monitoring mechanism is arranged on the protective shell. The internal pressure of the thoracic cavity is monitored in real time, the drainage process is accurately controlled in combination with other physical sign data, and the proper pressure of the thoracic cavity is maintained to improve drainage efficiency; a real-time monitoring and abnormity identification function can timely perceive drainage abnormity; normal saline flushing and mechanical crushing are combined, so that the drainage tube is smooth; the drainage process is comprehensively evaluated in combination with various monitoring data, and potential risks are found as early as possible.

Blood vessel recognition and needle guidance systems, components, and methods thereof. A console can be configured to initiate a target recognition process for recognizing an anatomical target, such as a blood vessel, of a patient and a needle guidance process for guiding insertion of a needle into the anatomical target using ultrasound-imaging data received by the console. The system can perform target identification based on machine learning models which can be trained to recognize targets based on the ultrasound image. The ultrasound probe can be configured to provide to the console electrical signals corresponding to the ultrasound-imaging data. The ultrasound probe can include an array of transducers and, optionally, an array of magnetic sensors respectively configured to convert reflected ultrasound signals from the patient and magnetic signals from the needle, when magnetized, into the electrical signals.

The invention relates to the technical field of medical instruments, and provides electric coagulation forceps with an intraoperative nerve detection function and a control method for the electric coagulation forceps to automatically switch a nerve stimulation function and an electric coagulation function, and the electric coagulation forceps comprise a high-frequency excitation identification circuit, a controller and a nerve monitoring switching circuit. The high-frequency excitation identification circuit is used for generating a corresponding induction signal according to whether the high-frequency excitation signal is detected; the controller generates a first control signal, starts timing and determines target delay time after determining that the electrocoagulation cutting function of the pair of electrocoagulation forceps is converted from an on state to an off state according to the induction signal, and generates a first prompt signal to indicate the prompt device to generate first prompt information after the timing time reaches the target delay time; the user is prompted; the nerve monitoring switching circuit is used for responding to the first control signal and outputting a nerve stimulation signal of the nerve monitor through the forceps tips, so that the nerve tissue damage probability is reduced while automatic function switching is achieved.

The invention discloses an automatic data acquisition method and system suitable for instruments and equipment, and relates to the technical field of equipment management. Comprising an equipment management module, a dynamic protocol module, a multi-mode sampling module, a correlation analysis module, a data compensation and reconstruction module, a load balance module, a data enhancement module, a real-time feedback regulation and control module and a time synchronization module. According to the automatic data acquisition method and system suitable for the instrument equipment, the highly intelligent and flexible data acquisition capability is realized, the task allocation efficiency of the equipment is remarkably improved through a two-way handshake protocol and an acquisition load balance strategy, and the data loss risk is reduced; the data integrity and timeliness are remarkably improved through multi-modal sampling and correlation analysis; and a parallelized time synchronization calibration mechanism ensures high precision of multi-device cooperation. The whole system can adapt to complex and changeable application scenes, and provides an efficient and reliable solution for the fields of industrial control, environment monitoring, medical instruments and the like.

The invention relates to the technical field of medical instruments, and discloses an additive manufacturing bionic bone trabecula full-porous interbody fusion cage which is applied to spinal fusion surgery and is of a bionic bone trabecula full-porous structure made of medical metal through a laser melting or electron beam melting additive manufacturing technology. The interbody fusion cage comprises a front end face, a rear end face, a first side surface, a second side surface, an upper fusion face and a lower fusion face, the upper fusion face and the lower fusion face make direct contact with a vertebral body end plate of a spine, anti-skid teeth are arranged on the surfaces of the upper fusion face and the lower fusion face, and a bone grafting window penetrating through the upper fusion face and the lower fusion face is formed in the center of the interbody fusion cage. The interbody fusion cage has the structure and mechanical property similar to those of cancellous bone and trabecular bone of a human body, can improve the bone combination area and bone ingrowth space, has excellent initial and long-term stability, and can effectively reduce stress shielding so as to improve the bone fusion capability.

The invention discloses a human body intravascular positioning support, and relates to the field of medical instruments. Comprising a metal wire support which is used for expanding in a blood vessel of a human body to dilate the blood vessel, a plurality of positioning units are arranged on the metal wire support, and each positioning unit comprises a spring and a penetrating type positioning head fixedly connected with the far end of the spring; the near end of the spring is fixedly connected with the metal wire support, and the penetrating type positioning head is used for penetrating into the inner wall of a blood vessel to achieve positioning when the metal wire support is unfolded. Through the design that the spring is combined with the positioning unit of the piercing type positioning head, the unification of stable fixing and safe taking-out of the intravascular positioning stent is achieved.