48 results about "Endoluminal ultrasound" patented technology

A method for medically employing ultrasound within a body cavity of a patient. An end effector is obtained having a medical ultrasound transducer assembly. A biocompatible hygroscopic substance is obtained having a non-expanded anhydrous state and having an expanded and fluidly-loculated hydrated state. The end effector, including the transducer assembly, and the substance in substantially its anhydrous state are inserted into a body cavity (such as endoscopically inserted into a uterus) of a patient. The transducer assembly is used to medically image and / or medically treat patient tissue (such as stopping blood flow to, and / or ablating, a uterine fibroid). A system for medically employing ultrasound includes the end effector and the substance. In another system, the end effector includes the substance. The substance in its hydrated state expands inside the body cavity providing acoustic coupling between the wall of the body cavity and the transducer assembly.

A needle biopsy guide system is disclosed for attachment to an endoluminal ultrasound probe or like sonographic instrument. The device includes a biopsy-guide attachment that allows for trocar catheter placement for abscess drainage or like procedures, using the transvaginal or transrectal route under sonographic control. The device has a base portion, which is attachable to an ultrasound probe. A removable retainer is provided that slides into the base unit to hold a biopsy needle in place. A physician may locate the target area in the body with the ultrasound probe, insert the biopsy needle into the target area, and then remove the insert (retainer) from the base unit and ultrasound probe, and leave the biopsy needle in place in the body.

A needle biopsy guide system is disclosed for attachment to an endoluminal ultrasound probe or like sonographic instrument. The device includes a biopsy-guide attachment that allows for trocar catheter placement for abscess drainage or like procedures, using the transvaginal or transrectal route under sonographic control. The device has a base portion, which is attachable to an ultrasound probe. A removable retainer is provided that slides into the base unit to hold a biopsy needle in place. A physician may locate the target area in the body with the ultrasound probe, insert the biopsy needle into the target area, and then remove the insert (retainer) from the base unit and ultrasound probe, and leave the biopsy needle in place in the body.

The invention relates to an intelligent unpacking, sleeving and disinfecting device for a medical ultrasonic probe isolation sleeve, and belongs to the technical field of medical equipment. The devicecomprises a disinfection case and a control device. A manipulator fixing frame, an ultraviolet lamp, a spray head, a crawler frame, a baffle plate, a cutter and a mechanical arm are arranged in the disinfection case. When an ultrasonic probe is placed on the manipulator fixing frame, a light operated sensor confirms whether the ultrasonic probe is a body surface ultrasonic probe or an intracavityultrasonic probe to perform corresponding automatic disinfection or disinfection, unpacking and sleeving. Regardless of disinfection or unpacking and sleeving of the isolation sleeve, contact of a doctor with the isolation sleeve and the ultrasonic probe is completely avoided. The device is very sanitary and safe, prevents the risk of cross infection of bacteria to patients by the external environment, and greatly saves time for the doctor to disinfect the ultrasonic probe and the isolation sleeve.

The invention relates to an intracavitary ultrasonic lithotripsy device. The intracavitary ultrasonic lithotripsy device comprises an outer lens sheath and a lens body, wherein a rotating sheath and an inner lens sheath are arranged in the outer lens sheath, and the inner lens sheath is sheathed in the rotating sheath in a rotating manner and no relative displacement in the axial direction is generated between the rotating sheath and the inner lens sheath; a stone pickup assembly is arranged on one end, away from the lens body, of the inner lens sheath; an opening is formed in the side wall of the stone pickup assembly and can be covered by a sealing assembly, an instrument channel tube is arranged in the cavity of the inner lens sheath, a stone breaking assembly is arranged in the instrument channel tube, and a stone breaking end of the stone breaking assembly stretches into the stone pickup assembly. According to the intracavitary ultrasonic lithotripsy device, stones can be limited in a sealed space, stone residues cannot enter a human body when the lithotripsy is carried out, no stone is left after the lithotripsy, the damage to surrounding tissues is little, and the interference caused by the stone chippings with the view of an endoscope is little, so that the operation efficiency and effect can be remarkably improved, and the pain and burden of a patient are obviously relieved.

Device for intra-cardiac and intra-vascular surgical procedure comprising an endoluminal ultrasound catheter probe which comprises a flexible tube a working channel for receiving and guiding transcatheter devices or instruments for the surgical procedure, and a three-dimension ultrasonic transducer, wherein the flexible tube has a working channel outlet on the distal end defining a ring-shaped surface, wherein the working channel longitudinal axis is off-centred in respect of the flexible tube longitudinal axis, thus defining a wider section and a narrower section of said ring-shaped surface, wherein the ultrasonic transducer is placed or coupled to the wider section. An embodiment comprises a hatch door for opening and closing the outlet, the hatch door being coupled to said wider section by a hinge, wherein the ultrasonic transducer is placed at said hatch door and the hatch door is hinged to rotate about an axis parallel to the longitudinal axis of the flexible tube.

The invention discloses an ultrasonic thrombus removal accessory of an implantable medical device. The ultrasonic thrombus removal accessory of the implantable medical device comprises an ultrasonic transducer and an ultrasonic signal generation assembly, the ultrasonic transducer comprises a first ultrasonic transduction piece and a second ultrasonic transduction piece, and the first ultrasonic transduction piece and the second ultrasonic transduction piece are buckled together to form a mounting cavity, so that at least part of the implanted medical device is located in the mounting cavity, and the ultrasonic signal generation assembly is connected with the first ultrasonic transduction piece and the second ultrasonic transduction piece. The ultrasonic thrombus removal accessory of the implantable medical device can be installed on the outer surfaces of implantable devices such as an artificial heart and an artificial blood vessel in advance, thrombolysis treatment is conducted immediately when thrombus grows on the implantable devices, use is convenient, and the treatment effect is good.

The invention discloses a continuous glass fiber reinforced polyurethane foam material forming process and system. The process comprises the following steps of forming a polyether polyol mixture, and respectively adding the polyether polyol mixture and isocyanate into two storage tanks; pulling loosened continuous glass fiber filaments through traction equipment to pass through a vertically-arranged forming mold; meanwhile, fully mixing two components of polyether polyol and isocyanate through a foaming machine, and injecting the mixture into a mold cavity in multiple directions; performing ultrasonic treatment to fully infiltrate the glass fiber filaments; foaming and curing the impregnated glass fibers under the action of microwaves; and cooling a shaping device and performing fixed-length cutting to obtain a continuous glass fiber reinforced polyurethane foam profile. The mold is vertically arranged, and a high-vacuum impregnation area, an ultrasonic infiltration device and a microwave curing device are arranged, so that uniform dispersion and arrangement of glass fibers in the inner cavity of the mold are facilitated; and the defects that the glass fibers droop in the mold, so that the density of the glass fibers at the lower part of the inner cavity is high, the density of the glass fibers at the upper part is low and pores are great are overcome.

The invention discloses a three-dimensional ultrasonic diagnosis device for gynecological diseases. The device comprises a diagnosis device main machine, a mechanical scanning mechanism and a detection probe, and the detection probe is driven by the mechanical scanning mechanism to perform automatic scanning; an ultrasonic probe and an optical lens are arranged in the detection probe and are respectively used for acquiring a two-dimensional ultrasonic image and an optical image of a patient; and a gynecological disease diagnosis system is arranged in the diagnosis device main machine and is used for controlling the mechanical scanning mechanism and processing and analyzing the acquired ultrasonic images and optical images. By means of the mode, the detection probe can be accurately controlled to conduct intracavity ultrasonic diagnosis, so that the obtained two-dimensional image has position information, and accurate three-dimensional reconstruction is facilitated; and in addition, theoptical image and the ultrasonic image can be fused, the resolution of the ultrasonic image is effectively improved, so that a finer tissue structure is obtained, a lesion area is segmented and extracted more accurately, and accurate diagnosis of the gynecological diseases is achieved.

The invention discloses an arterial intracavity ultrasonic image processing method. The method comprises the following steps of acquiring relative displacement between an intravascular ultrasonic probe and a target artery section within each unit time period according to a motion image of a target artery section, and taking the relative displacement as a basis for guiding the adjustment of the frame frequency within each unit time period, i.e., making targeted adjustment to same original frame frequency within each unit time period of the original intracavity ultrasonic image: adjusting the frame frequency within each unit time of ultrasonic images in an original cavity to enable the ratio of the frame frequencies to the corresponding relative displacement to be the same. In this way, new arterial intracavity images obtained through reconstruction on the adjusted frame images can visually and truly reflect the severity degree of the pathological tissue when replayed, and meanwhile, the situation of inaccurate measurement of long-axis images directly generated in the collection process is avoided. The invention further discloses an arterial intracavity ultrasonic image processing device and equipment, a readable storage medium and an ultrasonic diagnosis system, all of which have the foregoing beneficial effects.

The invention discloses a gas ultrasonic flowmeter. A meter body of the gas ultrasonic flowmeter comprises a box body, a front end flange cover with a gas inlet and a rear end flange cover with a gas outlet, one side of the front end flange cover is connected to one end face of the box body, and a gas inlet flow dividing assembly is further arranged in the position, located on the side, of the box body. One side of the rear end flange cover is connected to the other end face of the box body and provided with a gas leading-out component, a partition plate dividing the box body into a gas inlet cavity and a gas outlet cavity is arranged in the box body and located between the gas inlet flow dividing assembly and the gas leading-out component, a hollow measuring pipe section is installed on the partition plate, and the gas inlet end of the measuring pipe section is located in the gas inlet cavity. The gas outlet end of the measuring pipe section is located in the gas outlet cavity, and an ultrasonic transducer pair is installed on the measuring pipe section and used for detecting the flow of gas. A front straight pipe section, a rear straight pipe section and a front flow stabilizer in the prior art are removed, the size of the meter body is effectively reduced, the structure is more compact, installation is more convenient, and the installation requirement of the gas ultrasonic flowmeter in the available space limited area can be met.

Disclosed is an intraluminal ultrasound imaging system, including a processor circuit in communication with an intraluminal ultrasound imaging catheter, wherein the processor circuit is configured to receive a plurality of intraluminal ultrasound images obtained by the intraluminal ultrasound imaging catheter during movement of the intraluminal ultrasound imaging catheter within a body lumen of a patient. The processor circuit is further configured to select an image from among the plurality of intraluminal ultrasound images, generate at least two border contours associated with the lumen within the selected image, display the border contours associated with the lumen, each overlaid on a separate instance of the selected image, receive a user input selecting one of the border contours; and display the selected image overlaid with the selected border contour.

Disclosed is an intraluminal ultrasound imaging system, including a processor circuit in communication with an intraluminal ultrasound imaging catheter, and configured to receive a plurality of intraluminal ultrasound images obtained by the imaging catheter while the imaging catheter is moved through a body lumen of a patient. The processor circuit is further configured to determine a longitudinal translation speed of the imaging catheter based on the plurality of images and a known time interval between images, and display a speed indicator based on the longitudinal translation speed.

Disclosed is an intraluminal ultrasound imaging system, including a processor circuit configured for communication with an intraluminal ultrasound imaging catheter, and configured to receive an intraluminal ultrasound image obtained by the imaging catheter while the intraluminal ultrasound imaging catheter is positioned within a body lumen of a patient. The processor circuit is further configured to output, to a display in communication with the processor circuit, at least two image type options, receive a user selection of an image type option, select a preset value for at least one image processing parameter based on the image type option, and display the intraluminal ultrasound image according to the image processing parameter.

Disclosed is an intraluminal ultrasound imaging system, including a processor circuit in communication with an intraluminal ultrasound imaging catheter, and configured to receive a plurality of intraluminal ultrasound images obtained by the imaging catheter while the imaging catheter is moved through a body lumen of a patient, wherein the plurality of intraluminal ultrasound images comprise axial cross-sectional views of the body lumen. The processor circuit is further configured to generate a stylized graphic of the body lumen based on the plurality of intraluminal ultrasound images, wherein the stylized graphic comprises a longitudinal cross- sectional view of the body lumen, and output, to a display in communication with the processor circuit, a screen display comprising the stylized graphic.

Disclosed is an intraluminal ultrasound imaging system, including a processor circuit in communication with an intraluminal ultrasound imaging catheter, and configured to receive a plurality of intraluminal ultrasound images from the imaging catheter during movement of the imaging catheter within a body lumen of a patient, the body lumen comprising a plurality of segments. The processor circuit is further configured to generate a marker to be applied to an intraluminal ultrasound image of the plurality of intraluminal ultrasound images, wherein the marker is generated based on the movement of the intraluminal ultrasound imaging catheter, and wherein the marker is representative of a segment of the plurality of segments, and output, to a display, the marker and the plurality of intraluminal ultrasound images shown successively.

Systems, devices, and methods for intraluminal ultrasound imaging are provided. An intraluminal ultrasound imaging system may include a patient interface module (PIM) in communication with an intraluminal device comprising an ultrasound imaging component and positioned within a body lumen of a patient. The PIM may receive ultrasound echo signals from the intraluminal device, transmit the ultrasound echo signals along a differential signal path, and digitize the ultrasound echo signals. The PIM may transmit the ultrasound echo signals over an Ethernet connection to a processing system.

Disclosed is an intraluminal ultrasound imaging system, comprising a processor circuit in communication with an intraluminal ultrasound imaging catheter, and configured to receive an intraluminal ultrasound image from the imaging catheter within a body lumen of a patient, the body lumen comprising a plurality of segments. The processor is configured to identify a segment of the plurality of segments where the imaging catheter was located when the image was obtained, and output to a display a stylized figure of the body lumen including the plurality of segments, and an indicator identifying the segment in the stylized figure where the imaging catheter was located when the image was obtained.

Intraluminal ultrasound devices, systems and methods are provided. In one embodiment, an intraluminal ultrasound device includes a flexible elongate member configured to be positioned within a body lumen of a patient, the flexible elongate member including a distal portion and a longitudinal axis; and a transducer array disposed at the distal portion of the flexible elongate member and circumferentially positioned around the longitudinal axis of the flexible elongate member. The transducer array includes a plurality of micromachined ultrasound transducers (MUTs). In addition, the transducer array is configured to obtain ultrasound imaging data of the body lumen in response to a first electrical signal, and apply an ultrasound therapy within the body lumen in response to a second electricalsignal.

Disclosed is an intraluminal ultrasound imaging system, including a processor in communication with an intraluminal ultrasound imaging catheter, and configured to receive a plurality of intraluminal ultrasound images obtained by the intraluminal ultrasound imaging catheter while the intraluminal ultrasound imaging catheter is moved through a body lumen of a patient. The processor is further configured to determine an orientation of each of the plurality of intraluminal ultrasound images, and display an intraluminal ultrasound image of the plurality of intraluminal ultrasound images, and a directionality indicator identifying the orientation of the intraluminal ultrasound image.

An intraluminal ultrasound imaging device includes a flexible elongate member configured to be inserted into a body lumen of a patient, the flexible elongate member comprising a proximal portion and adistal portion. The device also includes an ultrasound scanner assembly disposed at the distal portion of the flexible elongate member. The ultrasound scanner assembly includes a flexible substrate;a transducer region positioned on the flexible substrate; and a control region positioned on the flexible substrate, wherein the transducer region and the control region are radially arranged relativeto one another. Associated devices, systems, and methods are also described.

The invention relates to an intracavity ultrasonic lithotripsy device, which comprises an outer mirror sheath and a mirror body. The outer mirror sheath is provided with a rotating sheath and an endoscope sheath. There will be no axial relative displacement between the mirror sheaths; the end of the endoscope sheath away from the mirror body is provided with a stone picking assembly, and an opening is also provided on the side wall of the stone picking assembly, and the opening can be covered by a sealing assembly. An instrument channel tube is arranged in the cavity, and the crushed stone component is arranged in the instrument channel tube, and its crushed stone end extends into the stone picking component. The intracavity ultrasonic lithotripsy device of the present invention can confine stones in a closed space, and stone residues will not enter the body during stone crushing operation, and there is no stone residue after operation, causing less damage to surrounding tissues, and the stones are crushed The debris interferes less with the endoscopic field of view, can significantly improve the efficiency and effect of the operation, and significantly reduce the pain and burden of the patient.

An intraluminal ultrasound imaging device includes a flexible elongate member configured to be positioned within a body lumen of a patient. The flexible elongated element includes a proximal portion and a distal portion. The apparatus also includes an ultrasound imaging assembly disposed at the distal portion of the flexible elongate member. The ultrasound imaging assembly is configured to obtain imaging data of the body lumen. The ultrasound imaging assembly includes a transducer array including a substrate, a silicon oxide layer disposed over the substrate, and rows of micromachined ultrasonic transducers disposed on the silicon oxide layer element. Two of the rows of micromachined ultrasonic transducer elements are separated by trenches formed by etching a shield formed in the silicon oxide layer. Associated apparatus, systems and methods are also provided.

Ultrasound image devices, systems, and methods are provided. An intraluminal ultrasound imaging system, comprising a patient interface module (PIM) in communication with an intraluminal imaging device comprising an ultrasound imaging component, the PIM comprising a first reconfigurable logic block including a first plurality of logic elements interconnected by first reconfigurable interconnection elements; a configuration memory coupled to the first reconfigurable logic block; and a processing component coupled to the configuration memory, the processing component configured to detect a device attribute of the intraluminal imaging device in communication with the PIM; and load at least one of a first configuration or a second configuration to the configuration memory based on the detected device attribute to configure one or more of the first reconfigurable interconnection elements such that the first plurality of logic elements are interconnected for communication with the ultrasound imaging component.

An innovative method is disclosed for merging images of an organ in vivo captured through a first imaging technique and a second imaging technique, this latter using an endocavity ultrasound probe inserted into a cavity associated with the organ under investigation. For superimposing the images on one another with greater accuracy, the images captured through the first imaging technique, that is different than the ultrasound technique, a dummy probe is inserted into the cavity associated with the organ under investigation. The dummy probe may be applied both using prior art biplane endocavity probes and innovative electronic scanning endocavity probes. Therefore, two types of endorectal probe are described: a biplane probe, that shall be rotated and translated for capturing biplane images; and a new electronic scanning ultrasound probe delivering the two-dimensional images for the merging without the need for moving the endocavity probe.

Intraluminal ultrasound imaging device, systems and methods are provided. In some embodiments, the intraluminal ultrasound imaging device includes a flexible elongate member configured to be positioned within a body lumen of a patient, and an ultrasound scanner assembly disposed at a distal portion of the flexible elongate member and configured to obtain imaging data of the body lumen. The ultrasound scanner assembly includes a flexible substrate, a first under-bump metallization (UBM) layer over the flexible substrate, a first solder feature over the first UBM layer, and a first electronic component electrically connected to the first solder feature.

The invention discloses an artery intracavity ultrasonic imaging method. The withdrawing speed of a probe is determined according to relative speed change data between a target artery section and an ultrasonic probe when the ultrasonic probe is static, so that the influence of the movement process of the artery cavity along with the heartbeat on the withdrawing image acquisition process of the probe can be reduced; loss of useful data can be avoided while repeated imaging is avoided; an appropriate number of arterial cavity images are enabled to be acquired; the occurrence of image distortion is avoided; the accuracy of withdrawing image acquisition is improved, so that a reliable length value is provided for an arterial intervention doctor in the arterial intervention treatment process, and the accuracy of the arterial lesion length measured according to artery intracavity ultrasonic imaging is improved; and the diagnosis and treatment effect can be effectively improved. The invention also discloses an artery intracavity ultrasonic imaging device, computer equipment, a computer readable storage medium and an artery intracavity ultrasonic imaging system, which have the beneficial effects.

The invention is suitable for the field of oral care, and provides an ultrasonic oral irrigator spray pipe assembly and an ultrasonic oral irrigator. The ultrasonic oral irrigator spray pipe assembly comprises a spray pipe, a mounting piece and an ultrasonic transducer; an accommodating cavity is defined in the spraying pipe, and spraying holes communicating with the containing cavity are formed in the spraying pipe; the mounting piece is arranged on the spray pipe close to the spray hole and is positioned in the accommodating cavity; and the ultrasonic transducer is arranged on the installation part and located in the accommodating cavity. The ultrasonic transducer is arranged on the mounting piece close to the spray hole, ultrasonic waves emitted by the ultrasonic transducer can be transmitted to the oral cavity through water or directly make contact with the oral cavity for cleaning and nursing, in other words, ultrasonic energy can act on oral cavity tissue under the condition that the ultrasonic energy is almost not attenuated, the periodontal germs and impurities in the oral cavity can be effectively removed, and the effects of physical therapy, health care and the like can be well achieved.

Intravascular imaging probes including a multi-material support member or base, and related devices, systems, and methods are provided. According to one embodiment, an intraluminal ultrasound imaging catheter includes: a flexible elongate member configured to be positioned within a body lumen of a patient; a support member coupled to the distal portion of the flexible elongate member; and an ultrasonic scanner assembly positioned about the support member. The support member includes a hollow inner member including a first material, and a first annular member positioned around a perimeter of the hollow inner member at a proximal portion of the hollow inner member. A first annular member extends radially outward from the hollow inner member and includes a second material different from the first material.

The invention relates to an ultrasonic water gap cutting and cleaning integrated device which comprises a shell, a supporting table, a cleaning container, a drainage pipe, an ultrasonic generator, an ultrasonic transducer and a resonance rod, wherein the shell is provided with an accommodating cavity, the resonance rod is vertically arranged at the bottom of the accommodating cavity, the ultrasonic transducer is arranged in the accommodating cavity, and the ultrasonic transducer and the resonance rod are electrically connected with the ultrasonic generator; the cleaning container is arranged in the accommodating cavity, the bottom of the cleaning container abuts against the ultrasonic transducer, a through hole is formed in the cleaning container, the resonance rod penetrates through the through hole, and at least part of the resonance rod protrudes out of the through hole; and the drainage pipe is partially arranged in the accommodating cavity, one end of the drainage pipe is connected with the inner wall of the cleaning container, and the other end of the drainage pipe at least partially penetrates through the shell to the outside of the accommodating cavity. According to the invention, the resonance rod and the ultrasonic transducer are connected with the same ultrasonic generator, so that a water gap of an injection molding part can be cut and the injection molding part can be cleaned on the same device, the cost is saved, and the efficiency is improved.