26 results about "Ultrasonic Endoscopy" patented technology

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.

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).

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.

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.

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 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.

This invention realizes an ultrasonic endoscope and system. The ultrasonic endoscope includes: a transducer array, which is composed of a plurality of transducers extending in a first direction intersecting the axis of the insertion part in a curved arrangement; an observation window, which is disposed on the base end side of the insertion part closer to the transducer array; a camera module, which includes a camera optical system including the observation window and a camera unit that takes pictures through the camera optical system; and a support member that supports the camera optical system and the camera unit. When viewed in the first direction, the opening angle of the transducer array is 90 degrees or more and less than 180 degrees. When viewed in the first direction, one end edge of the transducer array in a direction perpendicular to the axis of the insertion part enters the observation field of view of the observation window. The angle of the observation field of view is less than or equal to the opening angle. The support member includes a hole for the camera optical system to pass through and a side surface surrounding the camera unit, and a gap is formed between the side surface and the camera unit.

The probe sleeve for ultrasonic endoscopy comprises a sleeving piece, at least two supporting pieces, an endoscope tip portion, a first fixing piece and a second fixing piece, the two supporting pieces are both bonded to the endoscope tip portion to form a circular ring, the endoscope tip portion is matched with the two supporting pieces to form a concave area, and the first fixing piece and the second fixing piece are arranged in the concave area. The center of the sleeving piece is bonded to the tip of the endoscope, when a sealed bag-shaped body is formed after the sleeving piece is wound around the tip of the endoscope by a circle, the sleeving piece is bonded to the two supporting pieces, the position, located in the sunken area, of the sleeving piece is sunken downwards, and a sunken positioning part is formed after the sleeving piece makes contact with the surface of the tip of the endoscope. According to the utility model, the cut nano double-sided adhesive tape is used as a sleeving piece to wrap the tip part of the endoscope, and the water bag structure formed by the self-adhesion of the nano double-sided adhesive tape is used for replacing a traditional sealing bag, so that compared with a polyurethane material, the cost is lower, and the examination cost of a patient is reduced.

The utility model 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).

The present application provides an ultrasonic endoscope, which can stably and reliably limit the lifting forceps by simple lifting forceps structure. It comprises: an ultrasonic transducer arranged at the front end side of the head end; a rotating shaft part capable of rotating around the rotating shaft; a lifting forceps arranged at the head end and closer to the base end side of the head end relative to the ultrasonic transducer, connected to one end of the rotating shaft part in a way of rotating with the rotating shaft part; a rotating arm connected to the other end of the rotating shaft part in a way of rotating with the rotating shaft part, and provided with a recess on the side away from the rotating shaft part; and a traction part fixedly connected with a fixed rod, connected with the rotating arm by inserting the fixed rod into the recess to pull the rotating arm, wherein the fixed rod can move in the recess, and when the rotating arm rotates to a pre-set upper limit position or lower limit position, the fixed rod abuts against the end of the recess to limit the further rotation of the rotating arm.

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 invention discloses an ultrasonic endoscope connecting device and an ultrasonic endoscope system, the connecting device is connected with external equipment through a light guide connecting part and an ultrasonic connecting part, and the connecting device comprises: a housing, the interior of which comprises a functional pipeline of the light guide connecting part and an ultrasonic signal cable of the ultrasonic connecting part; the supporting piece is fixedly connected with the shell, the shell is divided into a first functional area and a second functional area by the supporting piece, and part of the ultrasonic signal cable and the functional pipeline are arranged in the first functional area; the relay switching assembly is arranged in the second functional area and is used for performing relay switching connection on the ultrasonic signal cable of the ultrasonic connection part; and the electrical isolation module is arranged on the periphery of the relay switching assembly and is used for isolating a ground wire system of the light guide connecting part and a ground wire system of the ultrasonic connecting part so as to realize electrical isolation. The ultrasonic endoscope connecting device integrated with the ultrasonic light guide connecting part has the advantages of being integrated in structure, small in size, high in reliability and convenient to maintain.

An ultrasonic probe includes: an ultrasonic transducer array in which a plurality of ultrasonic transducers for transmitting and receiving ultrasonic waves are arranged; a backing layer provided at a base end surface of the ultrasonic transducer array; and a piezoelectric body provided at a base end surface of the backing layer, the piezoelectric body having a polarization direction opposite to a polarization direction of the ultrasonic transducers. Thus, an ultrasonic probe having a small front end is provided.

The present invention provides an endoscope capable of suppressing deterioration of a tip main body over time caused by gripping a treatment tool. The endoscope is provided with a front end part main body arranged at the front end of an insertion part, and the front end part main body is provided with a standing table accommodating space forming wall which forms a standing table accommodating space which is opened in the direction perpendicular to the length axis direction of the insertion part; a lead-out part having a treatment tool lead-out opening that opens toward the inside of the stand accommodation space; and a standing table provided in the standing table accommodation space so as to be rotatable about a rotation axis between a standing position and a lodging position, the standing table having a guide surface for guiding the treatment tool, the standing table accommodation space forming an opening wall portion having an opening side of the standing table accommodation space, the opening wall portion being provided with an opening portion for opening the standing table accommodation space, and the opening portion being provided in the standing table accommodation space. When the standing table is in the standing position, a facing wall portion facing the guide surface is made of a material harder than other wall portions except the facing wall portion.

The present invention provides an ultrasonic endoscope system comprising: an operation unit; an insertion part provided on the distal end side of the operation part, the insertion part being provided on the distal end part of the distal end side of the insertion part, the distal end of which is provided with the ultrasound imaging part; an instrument channel extending in the insertion direction of the insertion part and having a leading-out port at the front end; the front end extension section is telescopically arranged along the axial direction of the instrument channel, and a front end tip part is arranged at the far end of the front end extension section; the telescopic driving part is arranged on the operation part and is used for driving the front end extension section to extend out or retract in the instrument channel in the insertion direction; when the instrument channel extends out, the front end tip part penetrates through the leading-out opening of the instrument channel and extends out of the front end part so as to pierce into target tissue and form a working channel extending into the target tissue, and the treatment instrument can treat a target area through the working channel. A working channel with high repeatability and direction consistency is formed in the tissue through the front end extension section, and remarkable clinical value is achieved during interventional therapy.

The invention discloses a lumen plugging catheter for esophageal micro-probe ultrasonic endoscopy, and relates to the technical field of medical instruments, the lumen plugging catheter comprises a catheter body and a plugging assembly, the plugging assembly comprises a filling pipeline, and the bottom end of the filling pipeline is fixedly communicated with a plugging water bag. According to the lumen plugging catheter for esophagus micro-probe ultrasonic endoscopy, degassing water is injected into a water injection lumen and enters a plugging water bag through a plurality of water seepage grooves, and when the water pressure in the plugging water bag is too large, the pressure in the plugging water bag can drive a water outlet ring to be pushed in the opposite direction through a sealing plate, so that the water outlet ring is blocked; the sealing plate can automatically prevent water in the sealing water bag from flowing back, the contact block elastically presses the corresponding pressure sensor, the water pressure in the sealing water bag can be slowly released by opening the valve, it is ensured that the pressure of the water bag is safe and controllable, damage to the esophageal mucosa is avoided, and meanwhile the operation view and flexibility of the endoscope and the micro probe are not affected.

An ultrasonic penetrometer may include an enclosure, an ultrasonic sensor, and a rod. The enclosure may include a channel having a first end and a second end. The ultrasonic sensor may be provided at the first end of the channel and may be configured to generate an ultrasound signal through the second end of the channel. An output from the ultrasound sensor may be used to determine a thickness or stiffness of sediment The rod may have a proximal end facing the ultrasonic sensor and a distal end opposite the proximal end. The rod may be configured to move relative to the enclosure. The distal end may be configured to contact the sediment. The enclosure may be configured to be fluid-tight relative to an exterior of the enclosure such that the generated ultrasound signal travels in a single medium.

A pressing portion is disposed on an inner peripheral surface of a base member, and has a pressing surface against which a pressed portion of a light guide fiber is pressed, and the pressing portion is configured in such a manner that a body portion of the light guide fiber is disposed at a position away from a cable support portion in a direction perpendicular to a longitudinal axis direction by pressing the pressed portion against the pressing surface.

The utility model 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 utility model provides an ultrasonic endoscope system capable of enabling a front end portion to be miniaturized. A system is provided with: an ultrasonic endoscope having a vibrator array in which a plurality of vibrators extending in a first direction intersecting the axial direction of an insertion part are arranged in a curved shape; and a processor that performs processing for generating an ultrasonic image on the basis of an output signal of the vibrator array obtained by controlling the vibrator array, the opening angle of the vibrator array being 90 degrees or more and less than 180 degrees when viewed in the first direction, and the opening angle of the vibrator array being 90 degrees or more and less than 180 degrees when viewed in the second direction. The processor performs a first control for generating the ultrasonic image at a first angle of view larger than the opening angle.

The utility model provides an ultrasonic endoscope with improved durability. An ultrasonic endoscope (12) is provided with: a metal ring (41c) comprising a metal; an ultrasonic transducer (48) provided at the tip (40) of the insertion section (22); and a backing material layer (54) provided between the ultrasonic transducer (48) and the metal ring (41c), the backing material layer (54) being configured from at least one of a polyurea resin, an epoxy resin having a polyurethane structure, and an epoxy resin having a polyether amine structure. According to the technology of the utility model, the durability can be improved.