62 results about "Ultrasonic Endoscopy" patented technology

An ultrasonic endoscope includes: a distal end portion disposed on a distal end side of an insertion part extending along a Y direction; an ultrasonic transducer that emits an ultrasonic wave toward a Z(+) direction side in a Z direction; an elevator disposed on a Y(−) direction side with respect to the ultrasonic transducer and rotatable between an elevating position and a falling position; and an observation window disposed on the Y(−) direction side with respect to the elevator. In the Z direction, end portions of the observation window and the elevator on the Z(+) direction side in the Z direction in a case in which the elevator is located at the falling position, and an end portion of the ultrasonic transducer on the Z(+) direction side in the Z direction are disposed in order from the Z(+) direction side.

The invention provides an ultrasonic endoscope with improved durability. An ultrasonic endoscope is provided with a tip section including an ultrasonic transmission / reception unit configured in a ring shape, and the tip section has: a cable connected to the ultrasonic transmission / reception unit; and a support part for supporting the front end side part of the cable, the cable including: a signal cable electrically connected to an ultrasonic vibrator included in the ultrasonic transmitting / receiving part; and a covering member that binds and covers the plurality of signal cables, the signal cables being partially exposed on the front end side thereof, and the front end portion having a filling material layer that fills at least the periphery of the exposed signal cables.

The ultrasonic endoscope includes: an insertion part that includes a tip, a base end, and a longitudinal axis; an ultrasonic transducer that is provided at the tip of the insertion part; a locking groove that is a balloon mounting portion which is disposed closer to the base end of the insertion part than the ultrasonic transducer is and on which a balloon wrapping the ultrasonic transducer is detachably mounted; a balloon pipe line that extends in the insertion part; a tip-side opening surface of the balloon pipe line that is provided closer to the tip than the locking groove and has components normal to a direction of the longitudinal axis; and a groove portion which is formed toward the tip from the tip-side opening surface as a starting point and of which at least a part overlaps the ultrasonic transducer in the direction of the longitudinal axis.

The utility model discloses an auxiliary water supply device for medical probe medical ultrasonic endoscopy, which belongs to the technical field of medical examination devices.The auxiliary water supply device for medical probe medical ultrasonic endoscopy comprises a base, a water supply device main body and a water tank, a plurality of universal wheels are installed at the bottom end of the base, a support is fixedly connected to the base, and the water supply device main body is fixedly connected to the support. According to the scheme, a user can fix the water feeder body to the fixing block, a water tank is placed on the base, a water pipe used in cooperation with the water feeder body can be wound around the take-up rod, and the water feeder body can be fixed to the take-up rod; a handle is pushed to drive the whole device to move through a plurality of universal wheels, the portability of the water supply device is improved, the height of the water supply device body can be adjusted through the arrangement of an adjusting assembly, and therefore when a bedridden patient is treated, the height of the water supply device body can be adjusted according to the height of a bed, and the practicability of the water supply device is improved. And convenience is provided for the treatment process.

This invention provides an ultrasonic endoscope and its front end unit capable of depicting ultrasonic images based on the base end of an ultrasonic transducer. In the ultrasonic endoscope, the outer peripheral surface of the front end body includes: a first surface disposed on the base end side of the ultrasonic transducer, along the long axis of the insertion portion; a second surface disposed on the base end side of the first surface, along the long axis, and located on a direction side perpendicular to the long axis relative to the first surface in a first direction; and a stepped surface connecting the base end side of the first surface and the front end side of the second surface. The direction perpendicular to both the long axis and the first direction is defined as the second direction. An effective angle is defined as the angle representing the irradiation range of the ultrasonic waves emitted from the ultrasonic transducer when observing the front end body from the second direction side. When the intersection point of the tangent that contacts the ultrasonic transducer and is in contact with the ultrasonic transducer at the position closest to the first direction side of the stepped surface and the ultrasonic transducer is defined as the first intersection point, the first intersection point is contained within 1 / 3 of the effective angle on the base end side.

The balloon structure comprises a main catheter and a one-way valve arranged on one side of the main catheter, an auxiliary catheter is arranged on one side of the main catheter, the auxiliary catheter is detachably connected with the main catheter through a connecting mechanism, a hollow gooseneck pipe is arranged on one side of the auxiliary catheter, and the hollow gooseneck pipe is detachably connected with the main catheter through a connecting mechanism. A bag body structure is arranged on one side of the auxiliary catheter; the bag body structure comprises a hollow bag body, the bottom face of the hollow bag body is arranged on the outer surface of the auxiliary catheter, multiple sets of water inlet pipes are further arranged on one side of the auxiliary catheter and communicated with the hollow bag body, and an adjusting ring is further arranged on one side of the hollow bag body and slidably arranged on the auxiliary catheter. The angle of the hollow bag body can be adjusted according to the bending angle of the digestive tract, the hollow bag body can be conveniently guided in, meanwhile, expansion of the hollow bag body is guided, the sealing performance of the hollow bag body on plugging of the digestive tract is improved, overall installation and operation are convenient, and medical staff can conveniently use the hollow bag body.

The invention relates to the technical field of artificial intelligence, and provides an eosinophilic gastroenteritis typing system and method based on multi-modal data, and the method comprises the steps: obtaining a digestive endoscopy image, an ultrasonic endoscopy image, a CT examination image and clinical manifestation data of a to-be-detected person collected in the same time period; the gastrointestinal mucosa lesion state is recognized through a digestive endoscopy image and is represented by numerical features; identifying the abnormal thickening condition of each film layer structure of the gastrointestinal wall through an ultrasonic endoscope image, and representing the abnormal thickening condition by numerical features; lesion hierarchical distribution is judged through an ultrasonic endoscope image, and numerical feature representation is carried out; determining seroperitoneum and intestinal wall thickening conditions through a CT examination image, and performing numerical characteristic representation on the seroperitoneum and intestinal wall thickening conditions; clinical symptom features are obtained through the clinical manifestation data and are represented by numerical features; generating a feature vector based on multi-modal data by using each numerical value feature representation; and inputting the feature vectors into a dynamic typing prediction model to realize the typing prediction of eosinophilic gastroenteritis, thereby improving the accuracy of auxiliary diagnosis and evaluation.

An ultrasonic endoscope includes a distal end part including an ultrasound transmission and reception section, the distal end part includes a cable accommodation portion that accommodates a cable connected to the ultrasound transmission and reception section, and a filler that fills a gap in the cable accommodation portion, the cable includes plural signal cables that are electrically connected to ultrasonic oscillators included in the ultrasound transmission and reception section, a first covering member that bundles and covers the plural signal cables, and a second covering member that covers the first covering member, the cable has, in order from a side of the ultrasound transmission and reception section, a first region, a second region and a third region, and the filler is in contact with at least the first region and the second region.

An ultrasonic endoscope includes an ultrasound transducer, a distal end body block component in which an observation optical system and an illumination optical system are mounted, a channel block component, and a flexible printed circuit part that is disposed inside the distal end body block component and is connected to the ultrasound transducer, the flexible printed circuit part includes a transducer connection portion, an offset wiring portion that is positioned on an opposite side to the transducer connection portion and is disposed in an offset manner at a position away from a longitudinal axis toward an outside in a radial direction of the longitudinal axis with respect to the transducer connection portion, and an intermediate connection portion that connects the transducer connection portion and the offset wiring portion, the offset wiring portion has a cable bonding portion to which loose cables are bonded, and the cable bonding portion is covered with an insulating member that is positioned inside the distal end body block component.

The ultrasonic endoscope includes: an elongated insertion part having a longitudinal axis and a distal end hard portion provided on a distal end side; an ultrasonic transducer that is provided in the distal end hard portion, and transmits and receives an ultrasonic wave; and a supply port that is provided in the distal end hard portion and supplies water into a balloon surrounding the ultrasonic transducer, in which an indicator indicating a position of the supply port in a peripheral direction around the longitudinal axis is provided on a proximal end side of the insertion part with respect to the distal end hard portion.

A photoacoustic-ultrasonic dual-mode endoscope includes: a probe and a probe driving unit, wherein the probe includes: a coaxially configured optical and electromagnetic rotary waveguide assembly including an optical fiber, the optical fiber including a core and a cladding, and a conductive path coaxially arranged with the optical fiber; a scanning tip located at an end of the coaxially configured optical and electromagnetic rotary waveguide assembly and configured to deliver a laser beam to an object to be examined and detect a photoacoustic signal and an ultrasonic signal generated from the object to be examined; and a plastic catheter surrounding outer surfaces of the coaxially configured optical and electromagnetic rotary waveguide assembly and the scanning tip, wherein the conductive path includes: a first conductive path including a portion coaxially arranged with the optical fiber; and a second conductive path including a portion coaxially arranged with the optical fiber and insulated from the first conductive path.

The invention provides an ultrasonic endoscope capable of reducing the diameter of the front end part of an insertion part. An ultrasonic endoscope is provided with: a tip section (34) disposed on the tip side of an insertion section (12); an erecting table accommodating part (60) which is configured at the front end part (34), is opened at the Z (+) direction side of the Z direction orthogonal to the long axis direction, and accommodates the erecting table (70); and a placement surface (114) that is disposed closer to the base end side in the longitudinal axis direction than the stand housing section (60), that has a normal component facing the tip end side in the longitudinal axis direction, and that is provided with an air / water supply nozzle (44) and an observation window (40). At least a partial region of the air / water supply nozzle (44) is disposed at a position overlapping a base-end-side region (130) extending the opening (46) of the stand housing section (60) toward the base-end side in the longitudinal direction.

Provided is an ultrasonic endoscope and an assembly method for an ultrasonic endoscope that can ensure the strength and durability of the distal end portion of the endoscope. An ultrasonic endoscope (1) that has a front end body block assembly (260) that mounts an ultrasonic transducer (50), an observation optical system (40), and an illumination optical system (44), and a channel block assembly (70) that mounts a channel through which an instrument is inserted, the ultrasonic endoscope (1) having a first load receiving structure (110) that receives a load from the front end body block assembly (260) by the channel block assembly (70), and a second load receiving structure (120) that receives a load from the channel block assembly (70) by the front end body block assembly (260). Also provided is an assembly method for the ultrasonic endoscope (1).

Provided are: a backing material for an ultrasonic probe, the backing material containing thermally conductive particles and a resin, wherein the resin is a cured reaction product of a polyamine compound and a polyisocyanate compound containing a polyether-modified polyisocyanate compound represented by general formula (1); an ultrasonic probe; an ultrasonic diagnostic device; an ultrasonic endoscope; and a curable resin composition. In the formula, L1 represents an amide bond, L2 represents a specific polyether chain, and X represents a group including an isocyanato group and an aromatic ring. The amide bond of L1 is attached to L2 on the side of >C(=O).

The invention provides an ultrasonic endoscope capable of puncturing at a small puncturing angle. An ultrasonic endoscope is provided with: a tip section (34) disposed on the tip side of an insertion section (12) extending in the Y direction; an ultrasonic transducer (50) that emits ultrasonic waves toward the Z (+) direction side of the Z direction; a standing table (70) that is disposed closer to the Y (-) direction side than the ultrasonic transducer (50) and that is provided so as to be rotatable between a standing position and a lodging position; and an observation window (40) disposed closer to the Y (-) direction side than the standing table (70), in which, in the Z direction, an end portion of the observation window (40) on the Z (+) direction side in the Z direction, an end portion of the standing table (70) on the Z (+) direction side in the Z direction when the standing table (70) is in the lodging position, and an end portion of the ultrasonic transducer (50) on the Z (+) direction side in the Z direction are disposed in this order from the Z (+) direction side in the Z direction.

The invention discloses an intracavity wound measuring device which comprises a detection box, a concave cleaning box, a detection handle, a replacement detection structure and a cleaning and disinfecting structure, the concave cleaning box is connected to the detection box, and the detection handle is connected to the detection box through the replacement detection structure; the device relates to the technical field of cavity damage measurement, and has the advantages that second-level replacement of a probe is achieved through electromagnetic driving, the device is compatible with assemblies of multiple specifications, an air drying pipe nozzle is rapidly disassembled and assembled, the device is flexibly matched with probes of different sizes, and the equipment turnover rate is remarkably increased; a multi-mode sensor, ultrasonic waves, an endoscope and a 3D scanning technology are integrated, wound physiological data and three-dimensional images are synchronously collected, a planetary gear reduction box drives a probe to achieve micron-scale motion control, tissue damage is reduced, and precise medical decision making is assisted.

An ultrasonic endoscope includes: an ultrasonic transducer having an ultrasonic vibrator; a distal end portion body disposed continuously with a proximal end side of the ultrasonic transducer; an erecting base housing portion that is disposed in the distal end portion body and has an opening which opens toward one side in a direction perpendicular to the axial direction of the distal end portion body; a treatment tool lead-out port that communicates with the inside of the erecting base housing portion; an erecting base that is disposed in the inside of the erecting base housing portion and changes a lead out direction of a treatment tool led out from the treatment tool lead-out port; and a cleaning communication hole that is formed in a wall surface on a side opposite to a side where the opening of the erecting base housing portion is disposed and communicates with an outside.

Provided is an ultrasonic endoscope capable of observing a proximal end portion side of a treatment instrument within an observation field of view of an observation window. The ultrasonic endoscope includes: a distal rigid portion (34) provided at a distal end of an insertion portion (12); an ultrasonic transducer (50) provided to the distal rigid portion (34); a treatment instrument guide portion provided at a proximal end side of the ultrasonic transducer (50), including a standing platform housing portion (62) having an opening portion (58) with one side in a first direction as an opening direction, an opening formation surface (70) formed with the opening portion (58), and a treatment instrument standing platform (60) provided inside the standing platform housing portion (62) and changing a guide direction of the treatment instrument; and an observation window (44) provided to an observation mechanism formation surface (72) provided at a proximal end side of the opening formation surface (70), the observation window (44) being provided at a position in the first direction that is on one side of a position of the one side opening portion of the opening portion (58).

An ultrasonic transducer includes: an acoustic matching layer composed of a sheet-like member; a piezoelectric element having a plurality of piezoelectric elements arranged on the acoustic matching layer; and a plurality of blocks disposed adjacent to at least one end of the elevation direction of the piezoelectric element and containing an abrasive material. Thus, an ultrasonic transducer, an ultrasonic endoscope, and a manufacturing method of an ultrasonic transducer are provided, which prevent chipping and cracking when cutting the piezoelectric element, and have excellent performance.

The present invention provides an ultrasonic endoscope capable of improving the brushability of a communication path. The distal end portion (44) of the ultrasonic endoscope (10) includes: a balloon mounting portion (152) for detachably mounting a balloon (60) at the distal end portion (44), the balloon mounting portion (152) having a first balloon groove (154) provided on at least the proximal end side of the ultrasonic oscillator (92) over the outer periphery of the distal end portion; and a communication path (90) for supplying or sucking a fluid to or from the internal space of the balloon (60). The inlet / outlet (91) of the communication path (90) is formed to be obliquely inclined with respect to the longitudinal axis of the insertion portion (12). The first balloon groove (154) has a shallow groove portion (158) formed such that the depth of the groove in the circumferential direction of the distal end portion (44) is shallower than other portions, and the inlet / outlet (91) of the communication path (90) is provided in the internal region of the distal end portion (44) where the shallow groove portion (158) is formed.

The invention provides an ultrasonic endoscope with improved durability. An ultrasonic endoscope (12) is provided with a tip section (40) having: a housing space (410) for housing a cable (100) connected to an ultrasonic vibrator unit (46); and a filler (80) that fills a gap in the housing space, the cable having: a plurality of signal cables (110) that are electrically connected to the ultrasonic transducers (48) included in the ultrasonic transducer unit (46); a shielding layer (108) which binds and coats the plurality of signal cables; and a sheath (102) covering the shield layer, in the housing space, the cable is provided with a first region (AR1) in which the signal cable is exposed, a second region (AR2) in which the shield layer is exposed, and a third region (AR3) in which the sheath (102) is exposed, in this order from the ultrasonic transducer unit side, and the filler (80) is in contact with at least the first region (AR1) and the second region (AR2).

Provided is an ultrasonic endoscope having, at a distal end portion, an ultrasonic transducer array in which a plurality of ultrasonic transducers are arranged; a shield cable having a plurality of signal lines and a plurality of shield members made of metal disposed outside the signal lines; a wiring portion having a plurality of connection portions that respectively electrically connect the plurality of signal lines to the plurality of ultrasonic transducers; a ground line portion that is electrically connected to the plurality of shield members and has thermal conductivity; a sheet-shaped first thermal conductive member disposed on a side surface of the ultrasonic transducer array; and a second thermal conductive member that thermally connects the first thermal conductive member to the ground line portion. Thus, an ultrasonic endoscope that can improve the accuracy of diagnosis in ultrasonic diagnosis is provided.

The present application relates to the technical field of artificial intelligence, and provides a system and method for classifying eosinophilic gastroenteritis based on multi-modal data, which comprises: obtaining digestive endoscopy images, ultrasonic endoscopy images, CT examination images and clinical manifestation data collected by a subject in the same period; identifying the state of gastrointestinal mucosa lesions and representing the numerical characteristics through the digestive endoscopy images; identifying the abnormal thickening of each membrane layer structure of the gastrointestinal wall and representing the numerical characteristics through the ultrasonic endoscopy images; determining the lesion level distribution and representing the numerical characteristics through the ultrasonic endoscopy images; determining the peritoneal effusion and intestinal wall thickening and representing the numerical characteristics through the CT examination images; obtaining the clinical symptom characteristics and representing the numerical characteristics through the clinical manifestation data; generating a feature vector based on multi-modal data by representing each numerical characteristic; and inputting the feature vector into a dynamic classification prediction model to realize the classification prediction of eosinophilic gastroenteritis, thereby improving the accuracy of auxiliary diagnosis and evaluation.

Provided is a balloon for an ultrasonic endoscope in which an ultrasound oscillator surface of an ultrasound transducer can be most swollen.A balloon for an ultrasonic endoscope that is mounted to cover an outside surface of an ultrasound transducer provided in a distal end part body on a distal end side of an insertion part includes a bottomed tubular balloon body that has an opening portion provided at one end in a first direction corresponding to a longitudinal direction of the insertion part and attached to the distal end part body, covers an oscillator surface of the ultrasound transducer, and stores an ultrasonic wave transmission medium inside, to be swellable, and a swelling restricting part that, in a case where the ultrasonic wave transmission medium is stored inside the balloon body, makes an oscillator surface region facing the oscillator surface of the ultrasound transducer most swollen by restricting a part of the balloon body.

A photoacoustic-ultrasonic dual-mode endoscope includes: a probe and a probe driving unit, the probe including: a coaxially configured optical and electromagnetic rotary waveguide assembly including an optical fiber, the optical fiber including a core and a cladding, and a conductive path coaxially arranged with the optical fiber; a scanning tip located at an end of the coaxially configured optical and electromagnetic rotary waveguide assembly and configured to deliver a laser beam to an object to be examined and detect a photoacoustic signal and an ultrasonic signal generated from the object; and a plastic catheter surrounding outer surfaces of the coaxially configured optical and electromagnetic rotary waveguide assembly and the scanning tip, wherein the conductive path includes: a first conductive path including a portion coaxially arranged with the optical fiber; and a second conductive path including a portion coaxially arranged with the optical fiber and insulated from the first conductive path.

This invention provides an ultrasonic endoscope and its front end unit capable of depicting ultrasonic images based on the base end of an ultrasonic transducer. In the ultrasonic endoscope, the outer peripheral surface of the front end body includes: a first surface disposed on the base end side of the ultrasonic transducer, along the long axis of the insertion portion; a second surface disposed on the base end side of the first surface, along the long axis, and located on a direction side perpendicular to the long axis relative to the first surface in a first direction; and a stepped surface connecting the base end side of the first surface and the front end side of the second surface. The direction perpendicular to both the long axis and the first direction is defined as the second direction. An effective angle is defined as the angle representing the irradiation range of the ultrasonic waves emitted from the ultrasonic transducer when observing the front end body from the second direction side. When the intersection point of the tangent that contacts the ultrasonic transducer and is in contact with the ultrasonic transducer at the position closest to the first direction side of the stepped surface and the ultrasonic transducer is defined as the first intersection point, the first intersection point is contained within 1 / 3 of the effective angle on the base end side.

The utility model relates to an esophageal ultrasonic endoscopy examination device based on a double-air-bag structure. The esophageal ultrasonic endoscopy examination device comprises an ultrasonic pipeline, an ultrasonic probe, a first air bag and a second air bag. The ultrasonic probe is installed at the bottom of the ultrasonic pipeline, and a transmission line in telecommunication connection with the ultrasonic probe is arranged in the ultrasonic pipeline. According to the esophageal ultrasonic endoscopy examination device based on the double-airbag structure, due to the design of the second airbag, particularly the inner concave part of the second airbag wraps the ultrasonic probe, mucus in the esophagus is effectively prevented from being adhered to the probe, so that the cleanness and the shooting definition of the probe are kept, a clear water solution is allowed to be injected in the examination process due to the design of the water injection cavity, and the examination efficiency is improved. And the second air bag is made of a transparent plastic material, so that the doctor can directly observe the internal condition of the esophagus in the extension process of the ultrasonic probe, and the accuracy and efficiency of diagnosis are improved.

Provided is an ultrasonic endoscope in which the diameter of the endoscope can be reduced while ensuring the visibility of the tip section. An ultrasonic endoscope (1) is provided with: a tip section (34) disposed on the tip side of an insertion section; an ultrasonic transducer (50) that is provided to the tip section (34) and emits ultrasonic waves toward one side in a first direction orthogonal to the longitudinal direction; an acoustic lens (52) provided on the outer surface of the ultrasonic transducer (50); and an imaging unit (300) that is disposed closer to the base end side in the longitudinal direction than the acoustic lens (52), and that, when viewed from the first direction, passes through the center of the acoustic lens in a second direction orthogonal to the longitudinal direction and the first direction, and extends in the longitudinal direction, sets a reference line (RL) as the straight line (RL). When viewed from the first direction, the imaging unit is disposed at a position shifted from the reference line (RL) to one side in the second direction, and an optical axis (OA2) of the imaging unit intersects the reference line.

The present invention provides an ultrasonic endoscope capable of preventing an imaging element from being damaged even when an external power supply voltage is directly applied. The front end body (43) of the ultrasonic endoscope (10) is formed of a resin material, and the front end body (43) comprises: an illumination system (53) having an illumination metal base (156); a first fixing component (170) fixing the illumination metal base (156) to the front end body (43); a first insertion hole (172) for inserting the first fixing component (170); an observation system (55) having a lens barrel (160); a second fixing component (174) fixing the lens barrel (160) to the front end body (43); a second insertion hole (176) for inserting the second fixing component (174); and a conducting component (178) conducting the illumination metal base (156) and the lens barrel (160), wherein at least one of the illumination metal base (156), the lens barrel (160) and the conducting component (178) is grounded to the ground.

The utility model relates to technical fields disclose a kind of auxiliary water delivery devices for medical ultrasonic endoscopy, including fixed frame, the surface of fixed frame is provided with shell, the top surface of fixed frame is fixedly installed with U-shaped frame by external screw, the both sides of U-shaped frame are provided with telescopic mechanism. In the utility model, by setting telescopic mechanism can drive reinforcement mechanism according to the size of different shell structure use, carry out adaptive adjustment, by reinforcement mechanism can make arc plate limit abutment to the both sides of shell under the stable support of buffer spring and bottom plate, to effectively reduce the influence of amplitude swing generated when water pump works on overall equipment, by setting positioning mechanism can be quickly disassembled to water delivery hose, water delivery hose is inserted into inlet by water inlet connecting block, and plug rod is inserted into water inlet connecting block by the force provided by spring rod, and extend inlet, when needing disassembly, manually stretching spring rod can complete pipeline quick disassembly.