19608 results about "Apparatus instruments" patented technology

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 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 discloses an endoscope with a built-in grabbing mechanism, and relates to the technical field of medical instruments. According to the technical scheme, the device comprises a clamp assembly, a driving outer pipe and a driving inner wire; the grabbing mechanism further comprises a grabbing mechanism shell, a first moving seat and a second moving seat, wherein the first moving seat and the second moving seat are arranged in the grabbing mechanism shell. The near end of the driving outer tube is connected with the first moving seat, and the near end of the driving inner wire is connected with the second moving seat; when the second moving seat is fixed relative to the grabbing mechanism shell, the first moving seat moves towards the far end direction relative to the grabbing mechanism shell so as to control the clamp assembly to execute the clamping action. According to the invention, the clamping action is carried out while forward extension is carried out, so that high-precision operation is facilitated, and tissues can be accurately clamped; and moreover, the grabbing mechanism is integrated in the endoscope handle, so that accurate single-hand control is facilitated, meanwhile, the clamping action is controlled in a button mode, the human engineering is met, and operation is convenient.

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 medical integrated module type electroacupuncture anesthesia therapeutic apparatus, and belongs to the technical field of medical apparatuses and instruments. A medical integrated module type electroacupuncture anesthesia therapeutic apparatus comprises a signal collecting and monitoring module, a main control module, a parameter self-adaptive adjusting module, a stimulation output module and a safety monitoring unit. The problems that existing current output parameters depend on manual adjustment and doctor experience, an objective quantitative basis is lacked, a real-time physiological monitoring and feedback mechanism is lacked in the treatment process, and current adjustment lags behind the state change of a patient are solved. Through a multi-parameter fusion decision algorithm and a closed-loop real-time feedback mechanism, 'experience-driven open-loop control 'of traditional electro-acupuncture equipment is upgraded to'data-driven closed-loop control', the subjectivity and hysteresis problems of manual adjustment are solved, and treatment safety and individual adaptability are greatly improved through high-precision monitoring and quick response.

The utility model relates to the field of medical instruments, in particular to an endoscope cleaning device which comprises a sleeve and a handle connected to one end of the sleeve, the sleeve is provided with a main cavity for an endoscope to penetrate through and further provided with an auxiliary cavity, a transmission wire is arranged in the auxiliary cavity, an endoscope wiping block is arranged at the end, penetrating out of the sleeve, of the transmission wire, and the endoscope wiping block is connected with the handle. The other opposite end of the transmission wire is fixedly connected with a transmission structure in the handle, the transmission structure comprises a transmission groove and a positioning column which are matched with each other, and the endoscope wiping block is driven to do rotary progressive movement through relative movement of the transmission groove and the positioning column, so that the endoscope lens is wiped; in the operation process, the lens can be cleaned without taking out the endoscope, and after cleaning is completed, the gear can be adjusted to move the cleaning block to the position where the visual field is not blocked.

The invention relates to the field of medical instruments, in particular to a marine war wound hemostasis fixing device which comprises a framework, a hemostasis module, a fixing module and an intelligent monitoring module are mounted on the framework, the framework comprises a plurality of angle-adjustable split arc-shaped assemblies, and the arc-shaped assemblies are connected in series through flexible connecting pieces; the hemostasis module comprises a gradient pressure air bag assembly, the gradient pressure air bag assembly comprises a central pressurizing bag and a peripheral stabilizing bag, the gradient pressure air bag assembly is communicated with a multi-stage air pump assembly, and the multi-stage air pump assembly is installed on one side of the framework; the intelligent monitoring module comprises a controller, an acceleration sensor, a pressure sensor, a microwave blood flow sensor and a biological impedance monitoring electrode, and the multistage air pump assembly, the acceleration sensor, the pressure sensor, the microwave blood flow sensor and the biological impedance monitoring electrode are all in signal connection with the controller. The invention aims to overcome the defects in the prior art, and provides an efficient, reliable and intelligent solution for maritime war wound first aid.

The invention discloses medical medicine medication auxiliary equipment, and particularly relates to the technical field of medical instruments.The medical medicine medication auxiliary equipment comprises an anti-skid handle, the lower end of the anti-skid handle is fixedly connected with an equipment shell, and a medicine squeezing structure communicating with the rear end of an inner cavity of the equipment shell is arranged on the rear portion of the inner cavity of the equipment shell; the front portion of an inner cavity of the equipment shell and the lower end of the equipment shell are jointly provided with a smearing structure, and the rear portion of the lower end of the equipment shell is rotationally connected with auxiliary wheels. According to the medical medicine medication auxiliary equipment, ointment and the external environment are sealed under the action of the shielding assembly, pollution of the external environment to medicine is reduced, meanwhile, the medicine is extruded out of the ointment tube under the action of the extrusion driving assembly and the extrusion assembly, and therefore the medicine is extruded out of the ointment tube. The smearing structure is synchronously driven to operate through transmission of the extrusion driving assembly and the smearing structure, ointment fed by the connecting base is evenly smeared to the skin of a patient, operation steps are reduced, smearing uniformity is improved, medicine residues in an ointment tube are reduced, and the utilization efficiency is improved.

The invention discloses a multi-mode implantable sensor and a signal acquisition system, and relates to the technical field of medical instruments, and the multi-mode implantable sensor comprises two layers of flexible substrates which are oppositely arranged; the multi-mode electronic functional layer is located between the two layers of flexible substrates and comprises at least two sensors used for collecting different biological characteristic signals; the flexible substrate has a shape memory capability, so that the multi-mode implantable sensor can be converted from a contraction state to an expansion state. According to the invention, different biological characteristic signals can be monitored at the same time through the same multi-mode implantable sensor; in addition, the multi-mode implantable sensor can also realize form switching based on a flexible substrate with shape memory ability, so that the multi-mode implantable sensor can be implanted through a small-size contraction state to reduce implantation wounds, and can be converted from the contraction state to an expansion state after implantation is completed, so that multi-mode biological characteristic signals can be conveniently acquired.

The invention belongs to the technical field of medical instruments, and discloses an intelligent artificial limb which is characterized in that a swing hydraulic cylinder is arranged at the bottom of a joint head, a shank support is connected with a rotating shaft of the swing hydraulic cylinder and can rotate around the rotating shaft, an output shaft of a motor is connected with a valve rod of a flow valve, and a valve element of the flow valve is connected with an oil way of the swing hydraulic cylinder; a rotating shaft of the angle sensor is connected with the rotating shaft; the hydraulic resistance is adjusted through a motor, and the performance of the intelligent artificial limb in the aspects of safety, flexibility and movement precision is remarkably improved through accurate sensor feedback and an intelligent control system. The invention further discloses a control method of the intelligent artificial limb, the controller calculates the dip angle value of the thigh according to the value of the angle signal and the value of the dip angle signal, and a plurality of walking modes are preset in the controller; according to the invention, the angle and inclination angle signals are collected in real time, and the hydraulic resistance of the knee joint is intelligently adjusted according to multiple preset walking modes, so that the walking experience and safety in different motion scenes are optimized.

The invention relates to the technical field of medical instruments, in particular to a bendable minimally invasive surgery electric hook with a smoke suction function. Comprising a smoke suction pipe, a handle assembly, an electrode pipe, a multi-stage bending assembly and an electric hook. The smoke suction pipe is fixedly connected to an outer smoke suction pipe of the handle assembly, an adjusting part is movably connected to the end of the handle assembly, the electrode pipe is arranged on the adjusting part in a penetrating mode and fixedly arranged in the handle assembly, and a control module is arranged in the handle assembly and electrically connected with the electrode pipe; the multi-stage bending assembly is fixedly arranged at the end of the electrode tube, a movable part is further arranged in the electrode tube and fixedly connected with the steel wire set, and the electric hook is fixedly arranged at the end of the extending end of the electrode tube and extends out. The adjusting piece is controlled to drive the movable piece to move in the electrode tube, and then the steel wire set is driven to pull the multi-stage bending assembly to conduct bending movement. The bending electric hook can integrate a real-time smoke suction function in a flexible bending scene, and the cooperation problem of bending operation and smoke removal in minimally invasive surgery is solved.

The invention relates to the technical field of medical instruments, and discloses a minimally invasive surgery system based on artificial intelligence. Comprising a target identification and positioning module, a multi-mode sensing module, a self-adaptive control module, a man-machine interaction module and a scene adaptation module. The target recognition and positioning module positions an operation target in real time through image recognition and a deep learning algorithm; the multi-mode sensing module collects the stress and movement track of an instrument and physiological signals of a patient. The self-adaptive control module adjusts movement parameters of the instrument according to the data; the man-machine interaction module displays data and provides an operation interface; the scene adaptation module adjusts the instrument form and function according to the operation type. In addition, the system also comprises an operational stability evaluation module, an instrument life prediction module and a biological signal fusion module. The system can achieve precise positioning, real-time monitoring and intelligent control, and the precision, safety and operation convenience of minimally invasive surgery are improved.

The invention discloses a multi-axis dynamic scoliosis direction correcting device, which belongs to the technical field of medical instruments and comprises an upper flitch plate, a lower flitch plate, a spine plate, a movable connecting piece, a tension sensor, a hydraulic adjusting mechanism, a positioning and supporting mechanism and a control system, an upper arc-shaped plate surrounding the armpit is arranged on the outer side of the upper flitch, a lower arc-shaped plate surrounding the lower portion of the spine is arranged on the outer side of the lower flitch, and fixing mechanisms are arranged between the upper flitch and the upper arc-shaped plate and between the lower flitch and the lower arc-shaped plate. The movable connecting piece composed of the first ball seat and the first ball bead between the spine plates can achieve accurate attachment and flexible adaptation according to the natural trend of the spine, it is ensured that the device can accurately lock the deformity segment of scoliosis, a foundation is laid for subsequent targeted correction, and meanwhile the spine plates can be used for accurately locking the deformity segment of scoliosis. The tension sensors on the two sides of the spine plate can continuously monitor the pressure of the malformation section, and real-time data support is provided for correction force regulation and control.

The invention relates to the technical field of medical instruments, in particular to a nicking instrument based on a paper-cut structure, which comprises a destressing sleeve and a catheter seat, and further comprises a pushing section, a metal tube and a hollow head, the right end of the destressing sleeve is connected with the catheter seat, the pushing section is mounted at the left end of the destressing sleeve, and the other end of the pushing section is connected with the metal tube; the pushing section and the metal tube are coaxially connected, a PTA balloon penetrates through the catheter base, the stress relieving sleeve and the pushing section and enters the metal tube after penetrating through the pushing section, the PTA balloon is embedded in the metal tube, the tail end of the metal tube is connected with a bullet-shaped hollow head, when the PTA balloon is full, the surface of the cut metal tube begins to expand, and when the surface of the cut metal tube is expanded, the surface of the cut metal tube is expanded. When the surface of the metal tube expands to a certain degree, the expansion process of the metal tube cannot be continued due to the limitation of the included angle of the rhombus, at the moment, the continuous expansion force of the PTA balloon enables the node of the cutting section to drive the connecting rod to overturn together, and the overturned connecting rod can apply circumferential force to the narrow part of the blood vessel.

The invention relates to the technical field of medical instruments, in particular to a medical instrument inventory prediction and optimization method and system based on big data, and the method comprises the steps: collecting hospital inventory, supply chain logistics, Internet of Things sensor and external environment data in real time, and generating a dynamic unified representation vector through cleaning, standardization and modal alignment; and inputting the vector into a hybrid modeling system, predicting future inventory requirements by using a deep neural network and calculating a confidence interval, simulating logistics and storage processes by using discrete events based on supply chain system dynamics, and realizing bidirectional feedback and adaptively updating model parameters through a Bayesian updating algorithm. And finally, the digital twin simulation platform performs discrete simulation on a future inventory operation scene, and generates a feedback signal for online updating the hybrid modeling system, so that closed-loop adaptive updating of inventory prediction and optimization is realized, and the accuracy and response speed of inventory management are remarkably improved.

The present disclosure relates to the technical field of medical devices, and in particular to catheter implant systems and included associated device, prosthetic heart valves and method. The interventional delivery system included includes a catheter assembly and a control handle connected to the catheter assembly, the catheter assembly has opposing distal and proximal ends and includes an inner sheath and an outer sheath slidably engaged with each other, the outer sheath includes a loading section and a sheath section in sequence from the distal end to the proximal end, the loading section is configured to enclose and keep the interventional device in a compressed state; the control handle includes a main handle and an auxiliary handle slidably fitted over the inner sheath, the proximal end of the inner sheath is connected to the main handle and the proximal end of the outer sheath is connected to the auxiliary handle.

The invention discloses an intelligent medical rehabilitation physiotherapy instrument control system, which relates to the technical field of medical instruments, and comprises the following steps: acquiring physiological data of a patient, the physiological data comprising electromyographic signals, heart rate and body temperature, and performing real-time processing on an edge end to obtain physiological features; the edge calculation unit uploads the physiological features to a cloud end, a preliminary state decision model is constructed at the cloud end according to the physiological features to judge the preliminary state of a patient, actual physiotherapy records are grouped according to the preliminary state of the patient, effective physiotherapy records are counted, and an initial physiotherapy parameter set quantum optimization physiotherapy parameter is generated; and inputting the quantum optimization physiotherapy parameters into a digital twin model for secondary simulation, generating a muscle state quantum vector, calculating a Hilbert space distance, carrying out collaborative optimization on the quantum optimization physiotherapy parameters, obtaining optimal physiotherapy parameters, returning the optimal physiotherapy parameters to an edge end, and starting physiotherapy. Through centralized processing of the cloud, the model can be dynamically updated to adapt to demand changes of different patients.

The invention belongs to the field of intelligent rehabilitation medical instruments, and particularly relates to a brain-computer interface-based multi-modal child sensory integration training device, which comprises a brain-computer interface head ring, an intelligent touch floor and AR interactive glasses, the brain-computer interface head ring is connected with a biological signal acquisition module, the intelligent touch floor is connected with a motion trail analysis unit, the AR interactive glasses are connected with a universe scene engine, and the biological signal acquisition module, the motion trail analysis unit and the universe scene engine are connected with a digital twin generator. The digital twin generator is connected with a dynamic mode switching decision tree, and the dynamic mode switching decision tree is connected with a multi-mode feedback actuator; the brain-computer interface head ring is located on the head of the child and collects electroencephalogram, myoelectricity and electrocardiosignals through a biological signal collection module; and the biological signal acquisition module sends a signal to the digital twin generator through wireless transmission. According to the invention, the training efficiency can be improved, the evaluation dimension can be expanded, potential safety hazard early warning can be realized, and the compliance can be enhanced.

The invention relates to the technical field of medical instruments, and discloses an intelligent device for monitoring the cardio-pulmonary function of a heart failure patient, the intelligent device comprises a multi-mode sensor module, an AI analysis module, a biological feedback module and a wearable carrier, the multi-mode sensor module is used for collecting heart rate, respiratory rate, oxyhemoglobin saturation and body movement data in real time, and the AI analysis module is used for analyzing the heart rate, the respiratory rate, the oxyhemoglobin saturation and the body movement data; monitoring modes can be dynamically switched in rest, motion and sleep scenes; the AI analysis module is used for detecting abnormity based on real-time data and predicting a heart failure deterioration risk in combination with historical data; and the biological feedback module is used for providing personalized intervention in a vibration or audio mode according to the analysis result. The heart rate, the respiration rate, the blood oxygen saturation and the body movement data are collected at the same time through the multi-mode sensor module, sleep apnea or periodic respiration is recognized in combination with the AI analysis module, the defect of separation of cardiopulmonary function monitoring and sleep mode analysis in the prior art is overcome, and therefore early intervention and treatment adjustment are supported.

The invention discloses a surgical instrument, and belongs to the field of medical instruments. The surgical instrument comprises a handle assembly, the handle assembly comprises a handle shell and a driving assembly located in the handle shell, and the driving assembly is suitable for providing driving force for an end executing assembly; the manual reset assembly is suitable for being matched with a clutch wrench, and the clutch wrench can be operated to release the transmission connection of the driving assembly through the manual reset assembly; the shielding shell is detachably arranged on the outer side of the handle assembly in a covering mode; the clutch transmission part is arranged on the shielding shell, the clutch transmission part comprises a clutch trigger rod, the near side end part of the clutch trigger rod is in transmission connection with the clutch wrench in an operable mode, and the far side end part of the clutch trigger rod is in transmission connection with the manual reset assembly in an operable mode. Manual resetting of the surgical instrument is safe and reliable, part of structures can be reused, and reused components make sterile contact with the outside in the manual resetting process.

The invention discloses a double-nail type nailing control assembly and a valve ring repair system, and relates to the technical field of medical instruments, and the double-nail type nailing control assembly comprises a mounting shell, a nailing bending adjusting pipe, a nailing spring pipe and a positioning needle; the positioning needle is arranged in the nailing spring tube, the nailing spring tube is arranged in the nailing bending adjusting tube, the nailing bending adjusting tube is in circumferential limiting connection with the mounting shell, the positioning needle axially penetrates through the mounting shell, and the positioning needle is used for positioning a nailing position; two first through holes axially penetrating through the mounting shell are formed in the mounting shell, the nailing devices pass through the first through holes, and the nailing bourdon tube is in transmission connection with the nailing devices and used for controlling the two nailing devices to synchronously and axially move. According to the device, through one-time operation of rotating the nailing bourdon tube, the two nailing devices are simultaneously controlled to nail the valve ring tissue, and the nailing efficiency is improved; meanwhile, the multiple nailing control devices are close to one another in the circumferential direction in the mode that the locking wires are tensioned at the two ends at the same time through the wire locking assemblies, and the annulus tissue contraction is achieved.

The invention relates to the technical field of medical apparatus and instruments, in particular to a pressure-visible automatic decompression radial artery compression hemostat which comprises a base, a fixing box is fixedly mounted at the upper end of the base, two sets of fixing rods are fixedly connected to the two sides of the base, and the outer surfaces of one set of fixing rods are movably sleeved with a bandage. A radial artery pressing block is installed at the bottom of the base, and a pressing mechanism is arranged in the fixing box. Through the arrangement of the compression mechanism, the pressing distance of the hemostatic pad is controlled according to a set pressure value, the pressure reduction time and the number of turns of the threaded rod driven by the automatic control driving motor to rotate are set according to the time point needing pressure reduction and the amount needing pressure reduction, the pressing strength on a puncture part is reduced every time when the pressure reduction time point is reached, and the puncture effect is improved. The situation that a doctor cannot adjust the hemostat in time is avoided, the doctor is reminded to check and observe whether the skin color of the puncture part of the patient is abnormal or not through the loudspeaker and the wireless communication module, and therefore pressure can be adjusted in time.

The invention discloses a femoral artery paracentesis post-operation pressure-controlled hemostasis device and a monitoring intelligent control system thereof, and relates to the technical field of medical apparatuses and instruments, and the femoral artery paracentesis post-operation pressure-controlled hemostasis device comprises an assembly panel; the air bags are arranged at the bottom of the assembly panel; the air pump is arranged at the top of the assembly panel and used for controlling the air bags to contract; the control piece is arranged at the top of the assembly panel and used for controlling the air pump; the Doppler probe is arranged at the bottom of the assembly panel and used for detecting the blood flow speed of the far end of a puncture point, the hemostasis safety and efficiency are remarkably improved through multi-mode intelligent control and a real-time feedback mechanism, the vein area is accurately recognized and avoided in combination with ultrasonic and infrared spectrum analysis of the artery positioning module, the thrombus forming probability is effectively reduced, and the blood flow speed of the far end of the puncture point is detected. The pressure-time optimization model dynamically shortens the compression time (target 3 hours) based on the real-time hemostatic effect, and improves the comfort of the patient while ensuring the hemostatic effect.

The invention discloses a medical instrument sealing performance detection device with an intelligent sensor, and relates to the technical field of sealing, the medical instrument sealing performance detection device comprises a sealing tank, a detection device and a pressure reduction device, and the top of the sealing tank is provided with a sealing cover; wherein the detection device comprises a conveying pipe, an air exhaust box, an air exhaust machine, a first sliding groove, an air pressure rod, an L-shaped short rod, a spiral rod and an activated carbon plate, the output end of the air exhaust machine moves downwards to evacuate air in the sealing tank, when the air in the sealing tank is evacuated, the air pressure rod is driven to move towards the interior of the sealing tank, and whether the air pressure rod moves or not is observed; the air pressure rod moves towards the interior of the sealing tank, the sealing performance is good, and no leakage is generated, the conveying pipe fixedly penetrates through the surface of the sealing tank, the air exhaust box is fixedly installed at the bottom of the conveying pipe, a conveying belt of the air exhaust box is provided with a groove, through rotation of the activated carbon plate, the surface area between contact harmful gas and activated carbon can be increased, and the adsorption efficiency is improved.

The invention provides a real-time positioning and puncture track control method and system in a breast duct endoscope operation, and relates to the technical field of medical instruments, and the method comprises the following steps: establishing a real-time coordinate system by collecting an endoscopic image sequence and electromagnetic position data, obtaining lumen three-dimensional depth information by using a light field reconstruction algorithm, and adjusting and calculating stress field distribution by using a grid form. And determining an optimal track based on the puncture safety coefficient, and adjusting compensation parameters in real time by using the optical fiber strain sensing array. Accurate positioning and track control of the puncture instrument in the breast duct endoscope operation are achieved, and operation safety and accuracy are improved.

There is provided an introducer system for percutaneously delivering a first and a second medical device to a patient. The system may comprise an introducer sheath having a longitudinal axis and a lumen formed therein. The system may also comprise a bifurcated hub coupled to a proximal end of the sheath. The hub may comprise a first arm having a first lumen and a first hemostasis valve for the passage of the first medical device. The hub may also comprise a second arm coupled to the first arm and having a second lumen and a second hemostasis valve for the passage of the second medical device. Further, the hub may comprise a connection port such that the first lumen and the second lumen are in communication with the lumen of the introducer sheath for the passage of at least one of the first and second medical devices through the introducer sheath for delivery to the patient.

The invention relates to the technical field of medical instruments, in particular to a hypodermic injection device which comprises a pen body, an insulin refill detachably connected to the bottom of the pen body, and a disposable pen needle matched with the bottom of the insulin refill. The push rod is movably arranged in the pen body, and the bottom end of the push rod is used for pushing liquid medicine in the insulin refill; a labor-saving assembly is mounted in the pen body; the labor-saving assembly comprises a first wedge-shaped block fixedly connected to the top of the push rod, a transmission sliding groove formed in the inner side of the pen body, a transmission sliding block slidably connected to the interior of the transmission sliding groove, a transmission rolling wheel rotationally connected to one end of the transmission sliding block and a second wedge-shaped block arranged in the pen body and capable of vertically moving. According to the invention, the inclined surfaces of the 60-degree wedge-shaped block I and the 30-degree wedge-shaped block II are matched, and the force conduction of the transmission roller is combined, so that the vertical thrust of the injection driving mechanism is amplified into horizontal thrust, the operation force is reduced by more than 70%, the thrust in the whole injection process is ensured to be stable, and pains and errors are relieved.

The invention provides a blood pressure measurement system and method based on multi-airbag cooperative control and oscillatory wave analysis, and relates to the technical field of medical instruments. Comprising an integrated cuff cover body, an inflator pump, an electromagnetic valve, a pressure balancing device and a microprocessor, a first air bag, a second air bag and a third air bag are arranged in the integrated cuff cover body, firstly, an inflation pump is started, the multiple air bags are synchronously inflated to preset initial pressure, then a first air bag electromagnetic valve and a third air bag electromagnetic valve are closed, a pressure balance device dynamically adjusts a miniature deflation valve, and the pressure in the first air bag and the pressure in the third air bag are kept constant; the inflator pump continues to inflate until the pressure in the second airbag is higher than the systolic pressure level; the measuring method specifically comprises a multi-air-bag pressure measuring mode and a double-air-bag pressure measuring mode. The multi-air-bag pressure measuring mode is that three air bags are used for measuring pressure at the same time, and the double-air-bag pressure measuring mode is that only the second air bag and the third air bag are pressurized, so that blood pressure measurement is achieved.

The invention discloses an insertion tube and a manufacturing method thereof, an insertion part and an endoscope, and relates to the technical field of medical instruments, the insertion tube comprises an insertion body and an elastic tube, a first reinforcing layer and a second reinforcing layer are arranged in the insertion body, the second reinforcing layer is arranged outside the first reinforcing layer in a surrounding mode, and the first reinforcing layer is provided with a concave part. The first reinforcing layer and the second reinforcing layer can form double limiting and wrapping supporting on the elastic pipe, the concave shape of the concave part of the first reinforcing layer is utilized to be attached to the outer wall outline of the elastic pipe, and the outer side of the second reinforcing layer is matched for enclosing and restraining, so that the installation stability of the elastic pipe in the first channel can be greatly improved; bending moment generated by self-gravity, external force and the like of the elastic tube is effectively counteracted, the elastic tube is prevented from being bent under the action of self-gravity, external force and the like, the whole insertion tube is prevented from deforming along with bending of the elastic tube, and the form stability of the insertion tube in the cavity in the propelling process is guaranteed. And the straightness of a traction rope transmission path and the accurate conduction of a control instruction are ensured.

The invention relates to the technical field of titanium alloy detection, and discloses a titanium alloy wire performance detection method, equipment and system. The method comprises the following steps: acquiring real-time force value displacement data of a tensile test and echo signal data of ultrasonic detection, and processing to obtain smooth force value displacement data and spectrum characteristic parameters; performing feature layer fusion on the yield strength, the tensile strength, the peak frequency and the amplitude attenuation rate to construct a first multi-dimensional feature matrix; inputting a pre-trained deep belief network model, and predicting mechanical properties such as elongation and hardness value; and comparing with a preset threshold value, marking unqualified items and generating a detection report. According to the method, through multi-source data fusion and advanced algorithm processing, the comprehensiveness and accuracy of detection are improved, efficient evaluation of the performance of the titanium alloy wire is achieved, and the method is suitable for the strict detection requirements for the quality of the titanium alloy wire in the fields of aerospace, medical instruments and the like.