228 results about "Foreign body" patented technology

The invention discloses a liquid medicine foreign matter detection method and system based on machine vision, and the method comprises the steps: obtaining multiband spectral data of a liquid medicine sample, and carrying out the normalization processing to generate a liquid medicine background standard spectral feature template; comparing the refractive index spectral characteristics of the template and the foreign matter-containing liquid medicine, and recording the surface roughness scattering mode and polarized light reflection angle change data of a foreign matter area; calculating a spectrum peak displacement quantized value according to the polarized light data, and extracting foreign matter edge spectrum gradient information in combination with a threshold value; calculating a transparency spectral attenuation coefficient based on the edge gradient information, and obtaining spectral contrast enhancement factors of different foreign matters in combination with the spectral response characteristic data; and if the enhancement factor does not reach the standard, adjusting the spectrum correction parameter and recalculating, fusing the scattering mode and the multi-angle incident spectrum response result to carry out consistency verification, and obtaining a final identification result containing the foreign matter material type and the danger level. The method can improve the drug detection accuracy and guarantee the drug quality safety.

The invention discloses a surgical foreign matter leaving monitoring method and device, computer equipment and a storage medium. Comprising the steps that when an operation starts, the gauze number is initialized; acquiring to-be-monitored video data; inputting into a gauze identification model to carry out gauze target identification; when the identification result is that the gauze target is identified, gauze color discrimination is carried out in a gauze color discrimination model to obtain a discrimination result; judging whether the color of the gauze target is white or not; if yes, adding one to the gauze number to update the gauze number; judging whether the current operation is finished; if yes, when the gauze quantity is not equal to zero, giving a gauze remaining alarm; if not, judging whether the color of the gauze target is red or not; if yes, subtracting one from the gauze number to update the gauze number, and judging whether the current operation is finished or not. According to the invention, automatic identification, positioning and counting of the gauze can be realized, and the gauze leaving problem in the operation process is solved.

The utility model relates to the field of medical instruments, in particular to a jaw cyst windowing and pressure reducing device. The device comprises a guide part, a connecting part and a base which are sequentially arranged from top to bottom. And the small-diameter section of the guide part is positioned at the upper part. The connecting part is a cylinder, and the diameter of the connecting part is smaller than that of the bottom of the guide part. The short axis size of the base is larger than the diameter size of the bottom of the guide part. The bottom of the base is provided with a through hole penetrating to the position above the guide part, and a drainage channel is formed. The springback characteristic of soft tissue in the bag cavity is utilized, so that the guide part and the connecting part can be fixed in the bag cavity and cannot fall off; meanwhile, through the elliptic cylindrical base, the base is effectively prevented from entering the bag cavity, the shape of the vestibular groove is met, and the wearing is free of foreign body sensation and more comfortable.

The invention discloses a bearing part intelligent detection and management system based on machine vision, and relates to the technical field of bearing manufacturing and detection. The method is used for solving the problems of bearing surface foreign matter recognition and pollution source tracking optimization. The system comprises a phase order correction and reconstruction module which generates a regularization weight factor through a high-frequency phase gradient, dynamically inhibits an order jump error of a raceway steep region, and outputs a high-precision three-dimensional shape and a gradient field; the coupling analysis module synchronously calculates local curvature entropy and polarization scattering intensity to realize foreign matter type identification and accurate positioning; the stress mapping decision module maps the foreign matter coordinates to a Hertz contact stress field, calculates a service life attenuation value in combination with a stress amplification coefficient, and generates a sorting priority decision map; and the pollution source reverse optimization module is used for dynamically adjusting dust removal equipment parameters based on foreign matter coordinate space clustering and assembly equipment position association. According to the system, closed-loop intelligent management of foreign matter detection and pollution source control is realized, and the bearing product quality and the production efficiency are improved.

The present application relates to gastrointestinal endoscope accessory technical field, specifically provide a kind of foreign body extraction device for gastroenterology and its manufacturing method, device includes main air pipe and respectively communicated at both ends of main air pipe air bag cup and positive and negative pressure air pump;Air bag cup includes air bag cup framework and membrane structure;Air bag cup framework includes cup body, cup mouth air bag, support air bag, clamping air bag;The upper end of cup body is provided with suction port, and the lower end is communicated with main air pipe, and at least two opposite ends of cup body are provided with inflation port respectively;Suction port is provided with negative pressure valve, and inflation port is provided with positive pressure valve;Support air bag is supported between cup mouth air bag and cup body, and the inside of support air bag located in membrane structure is communicated with clamping air bag.The way of foreign body extraction gastrointestinal tract by negative pressure adsorption, compared with traditional jaw structure, without considering the gap between foreign body and gastrointestinal wall, without adjusting angle or orientation, with the characteristics of high operating efficiency, convenient operation.

The invention discloses a pediatric infant tracheal foreign body taking-out device in the technical field of pediatric oral cavities, which comprises foreign body forceps and an endoscope, and further comprises an inflatable outer pipe sleeve, an inner sleeve is arranged in the outer pipe sleeve, and a plurality of connecting rods are arranged between the inner sleeve and the outer pipe sleeve. Two ends of the connecting rod are fixedly connected with the outer wall of the inner sleeve and the inner wall of the outer sleeve respectively; a plurality of annular grooves are formed in the outer wall of the outer pipe sleeve in a linear array mode in the axis direction, liquid collecting grooves are formed in the inner bottom walls of the annular grooves in the circumferential direction, and a plurality of first adsorption holes are formed in the inner side walls of the liquid collecting grooves in an annular array mode. Friction force between the expanded outer pipe sleeve and the trachea of the infant is increased through the annular groove, meanwhile, when secreted liquid in the liquid collecting groove is sucked through the first adsorption holes, certain negative pressure is formed in the annular groove, the stabilizing force between the inner wall of the trachea of the infant and the outer wall of the outer pipe sleeve is further increased, and therefore the situation that the outer pipe sleeve slides due to disordered movement of the child is reduced; and the foreign body forceps fall off the protection range.

The invention discloses an AI vision intelligent inspection and foreign matter recognition emergency shutdown system for a belt conveyor. The system comprises data acquisition and sample construction; constructing a DETR foreign matter recognition model; images are collected in real time, and online recognition is conducted through a DETR foreign matter recognition model; carrying out target tracking and behavior analysis based on a multi-target tracking algorithm of ByteTrack; a distance threshold value, a speed threshold value and a score threshold value are set; graded alarming is carried out, and a shutdown signal is sent to the PLC control unit under the shutdown condition. The system comprises an alarm module, an edge calculation unit, a communication module and a PLC control unit. The AI inspection camera, the edge calculation unit, the communication module and the PLC control unit are connected in sequence; the edge calculation unit comprises an AI identification module and a tracking and behavior analysis module. According to the invention, real-time identification, behavior judgment and automatic safe shutdown linkage control of foreign matters or abnormal states on the conveying line can be realized.

To provide a method for simply and efficiently evaluating the inducibility of a foreign matter response reaction in the skin of a test sample without using an animal, and to provide a substance having the inhibitory properties of the foreign matter response reaction in the skin and a method for searching the same.SOLUTION: The method includes a step of bringing keratinocytes transformed with a vector having an enhancer sequence containing a foreign body-responsive sequence and a sequence encoding a reporter protein downstream of the enhancer sequence into contact with a solution containing a test sample, a step of measuring the expression level of the reporter protein in the keratinocytes, and a step of evaluating the inducibility of a foreign body response reaction of the test sample in the skin based on the expression level of the reporter protein. The problem is solved by providing an agent for suppressing foreign matter response reaction in the skin containing fregula 1 found by the search method.SELECTED DRAWING: Figure 3

Provided are a catheter capable of suppressing generation of foreign matter from a joint section that joins a traction wire to a tubular member, and capable of preventing the joint section from interfering with other members, and a method for manufacturing the catheter.　A catheter (10) comprises: a movable tube (31) that is movable along the longitudinal direction; a wire fixing tube (90) that is disposed on the radial outer side of the proximal end of the movable tube (31) and extends beyond the movable tube on the proximal end side (31); at least one traction wire (80) that has a distal end and a proximal end and is sandwiched between the movable tube (31) and the wire fixing tube (90); and a first joint section (91) that is disposed between the outer peripheral surface of the movable tube (31) and the inner peripheral surface of the wire fixing tube (90) and joins the traction wire (80) to the movable tube (31) and the wire fixing tube (90). At least a portion of the proximal end of the first joint section (91) in a region sandwiched between at least the traction wire (80) and the wire fixing tube (90) in the longitudinal direction of the movable tube (31) is located on a reference position (P) where the proximal end of the movable tube (31) is located or farther to the distal end side than the reference position (P).

The utility model relates to the technical field of auxiliary equipment used after a child girdling operation, in particular to protective underpants used after the child girdling operation, which solve the technical problem that the protective underpants suitable for being used after the child girdling operation are lacked in the prior art and are characterized in that an opening is formed in the front crotch side of an underpants body, and son buckles are arranged on the two sides of the opening; sticking rough surfaces are arranged on the upper side and the lower side of the opening; the two sides of the shielding part are provided with mother buckles connected with the son buckles in a matched mode, and the upper side and the lower side of the shielding part are provided with pasting hook faces matched with the pasting hair faces; a ventilation seam area is formed in the center area of the shielding part, and ventilation holes are formed in the ventilation seam area; the two sides of the breathable seam area are respectively connected with a bag-shaped air bag, the side, facing the underpants body, of each bag-shaped air bag is provided with a protection area, the protection areas protrude out of the outline of the underpants body, and the underpants have the advantages of being convenient to disassemble and clean, free of the design of hard objects and foreign matter and capable of preventing children from clamping and abrading the inner sides of legs when the children use the underpants.

The invention belongs to the technical field of foreign matter detection and recognition, and provides a battery compartment foreign matter recognition method and system based on laser scanning and AI recognition. A laser scanning module is used for scanning and collecting three-dimensional point cloud data in a battery cabin in a preset period, point cloud preprocessing is carried out on the collected original point cloud data, the collected original point cloud data are converted into a unified cabin coordinate system, point cloud segmentation is carried out, a hypersphere model of normal state point cloud is constructed based on a support vector data description method, and a hypersphere model is constructed. The abnormal state is judged through a dynamic threshold value, foreign matter position tracing is carried out according to personnel positioning data in combination with multi-period scanning data, and the multi-source data alignment precision and trajectory estimation stability are cooperatively improved through dynamic time warping and space-time filtering. The method can effectively extract complex features, improve foreign matter recognition precision, recognize foreign matters in real time, judge the properties of the foreign matters, improve data processing efficiency, automatically adapt to complex and changeable environments and ensure stable and reliable operation under various working conditions.

Implantable devices may include a single, first component or a plurality of components such as first and second components, the second component being flexibly coupled to the first component. A socket extends over one or more of the component(s), the socket being configured to enhance the inter-component interaction and / or including one or more exposed surface(s) configured to exhibit one or more tiers of foreign body responses within a range of possible foreign body responses.

The present application provides a cleaning device (100) and a foreign object detection method. The cleaning device (100) comprises a housing (1), a detection head (2), a telescopic device (3), and a detection member. A side wall of the housing (1) in a first direction is an opening wall (1b), and an opening (1c) communicated with the interior of the housing (1) is formed on the opening wall (1b); the detection head (2) is configured to detect a surrounding environment, and the detection head (2) has an extended state in which the detection head (2) extends out of the opening (1c) and a retracted state in which the detection head (2) retracts into the opening (1c); the telescopic device (3) is arranged in the housing (1), and the telescopic device (3) comprises a transmission mechanism (31) and a movable assembly (32); the movable assembly (32) is movably arranged on the transmission mechanism (31) in the first direction, the detection head (2) is arranged on the movable assembly (32), and the transmission mechanism (31) can drive the movable assembly (32) to move in the first direction, so that the detection head (2) is switched between the extended state and the retracted state; and detection ends (4) of the detection member are arranged between the opening wall (1b) and the movable assembly (32). The cleaning device (100) and the foreign object detection method that are provided in the present application can implement detection of a foreign object.

A device for removing stones and foreign bodies from a human cavity including a straight sheath with one or more side branches; said straight sheath including a proximal tube and distal tube with respect to the operator who is holding the device; one or more side branches arise from the proximal tube and said branch or branches share a common lumen with the proximal and distal tubes; at the least, one of the side branches contains a pressure vent in the form of an opening that extends through the wall of the side branch and is sealed to form an airtight channel that extends toward a sealing element assembly. One or more openings at the end of this airtight channel serve as a transposed pressure regulating mechanism and are located and accessible on or near the surface of said sealing element assembly; an operator can regulate the aspiration pressure by covering or uncovering the vent or a portion of the vent.

This invention discloses a closed-type intensive care unit disinfection device, mainly relating to the field of disinfection device technology. It includes a disinfection chamber with a door hinged to its surface, an observation window fixedly connected inside the door, and an isolation plate fixedly connected inside the chamber. It also includes a disinfection structure disposed on the surfaces of the disinfection chamber and the isolation plate for thoroughly disinfecting the protective clothing or gowns of medical personnel. The first disinfection component includes a booster pump. The beneficial effects of this invention are: through the operation of the disinfection structure, and with the cooperation of the first disinfection component, the second disinfection component, the support component, and the cleaning component, it achieves both thorough disinfection of the torso of medical personnel and cleaning and disinfection of foreign objects on the soles of their shoes, enabling the disinfection device to thoroughly disinfect the protective clothing or gowns of medical personnel, greatly improving the practicality of the disinfection device.

A surgical device for cleaning an affected area, according to the present invention, which is used in a surgical apparatus that sucks in foreign substances from a surgical site and discharges an affected area-cleaning solution to the surgical site, may comprise: a front cap coupled to the surgical apparatus; a rotary member which is rotatably coupled to the front end of the front cap; a movable member which is movably coupled to the circumferential surface of the rotary member; an outer pipe which is formed as a hollow pipe having a predetermined length and fixedly coupled to the movable member; an inner pipe which is inserted into the outer pipe, has one end passing through the movable member and the front cap while having an outer circumferential surface fixedly coupled to the rotary member, and has formed therein a first flow path through which at least one of the foreign substances and the affected area-cleaning solution flows, the first flow path communicating with the surgical apparatus; a bendable tube which has one end coupled to the other end of the inner pipe, which has formed therein a second flow path through which at least one of the foreign substances and the affected area-cleaning solution flows, the second flow path communicating with the first flow path, and which is made of a flexible material so as to be bendable; and an inlet / outlet member which has one end coupled to the other end of the bendable tube, communicates with the second flow path to allow at least one of the foreign substances and the affected area-cleaning solution to flow inside, and has formed therein a plurality of holes through which the foreign substances are sucked in or the affected area-cleaning solution is discharged.

To provide a cover unit which covers a high temperature part related to a fluid system and can release an atmosphere around the high temperature part and prevent entry of foreign objects.SOLUTION: A cover unit 17 includes: a first cover 36 for covering a member 26 forming a fluid system 23a; and a second cover 38 which covers a valve body 16 connected to the fluid system 23a and forms an opening 40 between itself and the first cover 36. A portion 36b, which forms the opening 40 between the first cover 36 and the second cover 38, of the first cover 36 extends to an internal space S2 of a portion, which covers the valve body 16, of the second cover 38.SELECTED DRAWING: Figure 2

The invention discloses a small-focus X-ray detection system and a small-focus X-ray detection method for foreign matters in in-service GIS equipment, and relates to the technical field of X-ray nondestructive detection.The detection method is realized based on the detection system, the system comprises a ray machine and a cooling device, the cooling device is configured to cool an anode target, the cooling device comprises a circulating pipeline, and the circulating pipeline is connected with the ray machine. The cooling device is configured to comprise a circulating hose or a heat capacity module; the circulating hose is used as a constituent part of the circulating pipeline and is used as a flexible connecting pipe of the ray machine and the liquid cooling module on the cooling device; the heat capacity module is arranged on the circulating pipeline or serves as a component of the circulating pipeline, the heat capacity module is thermally coupled with the circulating pipeline, and the heat capacity module absorbs heat of the cooling liquid through metal on the heat capacity module serving as a heat capacity body. The convenience of the operation of changing the detection position and the irradiation angle of the detection system can be optimized.

An ultrasonic testing device capable of preventing the adhesion of foreign bodies to a structure that comes into contact with water is provided. The ultrasonic testing device comprises: an array probe 10 configured to probe a test object, which has a test surface, with an ultrasonic wave; and a water supply and drainage unit 20 configured to supply water to a space between the test surface and the array probe 10. The water supply and drainage unit 20 is made of a conductive material. The water supply and drainage unit 20 has a water drain opening 22 through which water is supplied to the space, and a static eliminator 26 that comes into contact with the water flowing through the water drain opening 22 and has a conductivity higher than that of a cover element 202 that forms the water drain opening 22.The static eliminator 26 of the water supply and drainage unit 20 is connected to an earthing wire via a connecting section 61.

The magnetic double-cavity mesh bag ophthalmologic operation foreign matter forceps comprise a handle and a magnetic sheathing canal capable of penetrating through a 23G minimally invasive tunnel portal, a partition plate is horizontally connected to the middle of an inner cavity of the magnetic sheathing canal, and the partition plate is used for vertically dividing the inner cavity of the magnetic sheathing canal into a sheathing canal upper cavity and a sheathing canal lower cavity; meanwhile, clamping type material taking assemblies are installed on the front side of the inner cavity of the handle and in the lower cavity of the sheath tube, and wrapping type material taking assemblies are installed in the inner cavity of the handle and in the upper cavity of the sheath tube. According to the scheme, through three independent and flexibly switchable working states of magnetic adsorption, mechanical clamping and net bag wrapping, the 23G minimally invasive operation requirements are met, various intraocular foreign matters can be accurately, safely and efficiently taken out, the risk of secondary injury of tissues is greatly reduced, and the operation convenience and success rate are improved.

A vibrating device is provided that enables the removal of foreign bodies adhering to a translucent body. A vibrating device according to the present invention comprises a substantially cylindrical internal vibrating body capable of amplifying vibrations and extending in a first direction, a piezoelectric element connected at one end in the first direction to the internal vibrating body and capable of generating vibrations, a translucent body connected at the other end in the first direction to the internal vibrating body and having an optical axis extending along the first direction, and a substantially cylindrical external vibrating body provided to surround the internal vibrating body and extending in the first direction.The external vibrating body comprises a first connecting part that is connected to the translucent body, a damping part that extends from the first connecting part to the outside of the translucent body along a second direction intersecting with the first direction and configured to dampen vibrations, and a cylindrical part that is connected to the first connecting part and the damping part and extends along the first direction. The cylindrical part is located at a gap from the internal vibrating body in the second direction, and at least one of the damping part and the cylindrical part is not axially symmetric with respect to the optical axis.

The utility model discloses a pair of foreign body forceps for the otolaryngology department, which comprises a main body, a clamping component is arranged in the main body, and two rotating clamps are arranged in the clamping component and used for clamping; the anti-disengaging assembly is arranged in the main body, a ratchet wheel and a pawl are arranged in the anti-disengaging assembly, and the anti-disengaging assembly is matched with the clamping assembly to prevent disengaging; the monitoring assembly is arranged in the main body, a pinhole camera and a display screen are arranged in the monitoring assembly, and the monitoring assembly is used for monitoring the clamping condition; the clamping assembly comprises a rotating rod, and the rotating rod is arranged in the main body. According to the ear-nose-throat monitoring device, the anti-disengaging assembly is arranged, due to the existence of a ratchet wheel and a pawl, the two rotating clamps cannot be disengaged, the situation that clamped objects fall off accidentally is avoided, the monitoring assembly is arranged, the clamping end of the device extends into the ear-nose-throat of a patient, then a pinhole camera is turned on, and transmission is conducted through a data line; and then the clamping condition is observed through the display screen.

The invention discloses an intelligent identification and elimination method for drug tiny foreign matters based on multispectral fusion, and relates to the technical field of automatic quality detection of drug production. Active detection is carried out by utilizing a dynamic spectrum modulation sequence generated as required, and collaborative analysis of reflection and transmission light paths is combined; the physical and optical characteristics of foreign matters can be obtained from multiple dimensions, and foreign matter signals and complex background noise of a drug substrate are effectively distinguished, so that erroneous judgment caused by factors such as texture and chromatic aberration of drugs is reduced, the capability of detecting foreign matters which are difficult to detect by traditional methods such as transparent, semitransparent and internal wrapping methods is enhanced, and the detection accuracy is improved. By introducing a rejection verification feedback and online learning mechanism, the system can audit a judgment result of the system in real time, autonomously learn from misjudgment cases and dynamically adjust identification model parameters and even a front-end spectrum sensing strategy, so that the system can automatically adapt to switching of different drug varieties and change of a production environment.

The invention belongs to the technical field of medical instruments, and particularly relates to a child digestive tract foreign matter flexible clamping device which comprises an endoscope body, a flexible pipe is fixed to one end of the endoscope body, and a biopsy channel is formed in the flexible pipe. The multi-form clamping module is assembled in the biopsy channel in a sliding mode, the multi-form clamping module comprises a forceps rod, a driving guide wire, a first forceps head, a second forceps head, a third forceps head and a fourth forceps head, and the forceps rod is assembled in the biopsy channel in a sliding mode. Through a dual-mode clamping structure of the V-shaped clamp type clamping unit composed of the first clamp head and the second clamp head and the parallel type clamping unit composed of the third clamp head and the fourth clamp head, clamping modes can be flexibly switched according to the shapes of foreign matters; the device can adapt to child alimentary canal foreign matters in various forms such as flat, regular, circular and irregular shapes, and the clamping application range is greatly expanded.

The application provides a cleaning and nursing device for oral cavity foreign matter blockage of emergency patients, and belongs to the technical field of medical equipment. The device comprises a bottle body, a rubber cleaning head arranged at the top of the bottle body, a cleaning mechanism arranged on one side of the bottle body and used for cleaning the blocked foreign matter in the oral cavity of the patient, and an adjusting mechanism arranged at the top of the bottle body and used for adjusting the angle of the rubber cleaning head. The adjusting mechanism comprises two fixed seats fixedly connected to the top of the bottle body, a connecting shaft rod rotatably connected to the fixed seats and connected to the rubber cleaning head, and an auxiliary component matched with the fixed seats and the connecting shaft rod. In the above scheme, the cleaning mechanism is arranged, linkage operation of "spray washing softening and negative pressure suction" is realized by using the air bag driving, the cleaning difficulty is reduced compared with ordinary equipment, the foreign matter residual rate is greatly reduced, and the cleaning efficiency is improved.

This invention relates to the field of hemostatic clip technology, specifically to a clamping mechanism and a hemostatic clip. Addressing the technical problems of existing hemostatic clips, this invention provides a clamping mechanism and hemostatic clip that, by providing a protrusion at the tail of the clip and a locking platform along the movement path of the protrusion, locks the clip in the closed state through the limiting effect of the locking platform on the protrusion. This method is simple to operate, provides good clamping effect, does not generate additional foreign objects, and does not cause inconvenience to patients and medical staff.

The objective of the present disclosure is to provide a sensor assembly in which the radio waves emitted by a sensor are not disrupted by a metal element and which can prevent foreign bodies from adhering to the sensor and / or the sensor from coming into contact with another element. For this purpose, the sensor assembly comprises a metal sensor base holder, a plastic plate attached to the sensor base holder, a sensor attached to the plastic plate, and a cover into which the plastic plate is inserted and which accommodates the sensor in a space formed by the cover and the plastic plate.

The invention relates to the technical field of product processing assistance, in particular to a method and equipment for preventing a working table from being crushed and scratched by foreign matters, which are used for preventing glass, plastic, acrylic and other products from being crushed or scratched due to residual foreign matters when the products are processed on the working table, and are suitable for machining, product assembling and other scenes with high precision requirements. A method for preventing a working table from being crushed and scratched by foreign matter is characterized by comprising the following steps that S1, the working table is cleaned; s2, pasting a first protective layer on the cleaned table top; s3, positioning is conducted through a grooving jig, and an avoiding groove is formed in the first protection layer in a cutting mode; s4, a second protective layer is pasted to the first protective layer area, the stretch rate of the second protective layer is controlled to be 3%-5%, and a gradient inclined groove is formed between the two protective layers; and S5, positioning is conducted through a trepanning jig, and air suction holes are formed in the grooved first protection layer area.