451 results about "Needle guide" patented technology

A holographic augmented reality ultrasound needle guide system and method includes an augmented reality display such as a headset wearable by a user. The augmented reality display is configured to depict a virtual ultrasound image. The augmented reality display is further configured to allow a user to select a desired reference point on the virtual ultrasound image. The system is configured to depict a holographic needle guide based on the selection of the desired reference point. The system is also configured to adjust a trajectory of the holographic needle guide to avoid intersecting undesired anatomical structures. The augmented reality display is further configured to stamp the holographic needle guide into a selectively locked trajectory and position.

An ultrasound probe includes a light source configured to project a visual indication onto a skin surface of the patient. The visual indication includes different visual characteristics that are based on characteristics of the anatomical target such as a location with respect to the probe and / or an identification of an anatomical target as a vein or as an anatomical element other than a vein, such as an artery. Visual characteristics include shapes, locations, and / or colors of the projected visual indication. Logic of the probe performs location and / or identification processes on ultrasound image data that may include applying trained machine-learning models to the ultrasound image data. Some embodiments, include a virtual / augmented reality headset and / or a needle tracking system. An ultrasound system includes machine-learning logic that generates the trained machine-learning models from historical ultrasound image data sets and actual anatomical target location / identification data sets.

An ultrasound probe includes a light source configured to project a visual indication onto a skin surface of the patient. The visual indication includes different visual characteristics that are based on characteristics of the anatomical target such as a location with respect to the probe and / or an identification of an anatomical target as a vein or as an anatomical element other than a vein, such as an artery. Visual characteristics include shapes, locations, and / or colors of the projected visual indication. Logic of the probe performs location and / or identification processes on ultrasound image data that may include applying trained machine-learning models to the ultrasound image data. Some embodiments, include a virtual / augmented reality headset and / or a needle tracking system. An ultrasound system includes machine-learning logic that generates the trained machine-learning models from historical ultrasound image data sets and actual anatomical target location / identification data sets.

A medical ultrasound system and methods of using the system. The medical ultrasound system can include an ultrasound probe and one of a plurality of optional accessories attached to the ultrasound probe. The accessory can exchange data with the probe and receive power from the probe. The accessory can include processors and logic that governs its operation thereby adding functionality to the probe. The accessory can receive input and provide output via any of a number of communication mechanisms, i.e., wireless, electrical, optical, RFID, IR, and the like. The accessory can add functionality to the probe, such as fiber optic shape sensing, obtaining electrical signals, obtaining bio-impedance measurements, tracking a needle, and determining the orientation of the probe. The accessory may include a needle guide, a triphalangeal support structure, or an acoustically transparent cap.

According to the puncture intervention robot end executing mechanism and system and the positioning method, the end executing mechanism comprises a clamping module and a guide needle module, and the clamping module comprises a carrying piece body, a development board, a connecting piece, a rotary driving mechanism, a clamping device, an ultrasonic probe and an electromagnetic sensor; the needle guide module comprises a guide rail, a sliding block, a needle guide device and displacement driving mechanisms, the coordinate system of the whole system is unified, meanwhile, calibration is conducted through an electromagnetic-visual registration method, operation planning is conducted after preoperative CT scanning is conducted on an affected part of a patient, and after a target pose is obtained through calculation of a constraint positioning algorithm, the target pose is determined to be the target pose. The rotation driving mechanism drives the needle guiding device to rotate, non-coplanar puncture channel path selection is achieved, the displacement driving mechanism drives the needle guiding device to move, the needle entering angle is adjusted, the puncture process and target spot information are monitored in real time based on real-time ultrasonic images, operation errors are reduced, the puncture precision is improved, and the operation safety is improved. And radiation exposure and postoperative complications of a patient are reduced.

A targeting device (9) for the targeted guidance of a hollow needle (17) with an endoscopic-surgical operation. The targeting device (9) is fastened or can be fastened to an endoscopy unit (1) which extends essentially in an endoscopy longitudinal axis (L) and defines a viewing region (11). The targeting device (9) defines a plurality of hollow needle guides (21). Each of the hollow needle guides (21) each extends towards the viewing region (11) along a different polar angle (θ) with respect to the endoscope longitudinal axis (L). Each of the hollow needle guides (21) is open towards one of its two azimuthal sides over its entire length.

A needle guide for an angled ultrasound probe having a port tower with a plurality of needle ports aligned with an angled ultrasonic imaging plane. The needle ports in a port tower are aligned at the offset angle of the angled ultrasound probe and can support and guide a needle at the offset angle. Adjustment of the port tower along the transducer axis of the angled ultrasound probe maintains the alignment of the needle ports relative to the ultrasonic imaging plane and provides adjustment to accommodate differently sized patients. A method is also provided to securely align a needle with an angled ultrasonic imaging plane with an angled ultrasound probe such that the needle can accurately transect the ultrasound imaging plane.

A device and system for and methods of using an ultrasound probe housing containing ultrasound probes configured to produce images inside the body of a patient for procedures requiring needle or probe insertion. The ultrasound probe housing can be configured with a guide channel cut-out or aperture between the ambient side and body side of a patient. A needle guide assembly may be pivotally connected internal to the guide channel cut-out or aperture of the ultrasound probe housing at a pivot point such that during use the needle enters the patient through the needle guide assembly within the ultrasonic probe housing so that the needle can be visualized by the ultrasonic probes in real time. The ultrasound probe housing may also provide an adhesion or suction quality to the body side of the device to facilitate aspects of the invention.

The invention provides PICC (peripherally inserted central catheter) fixing equipment capable of improving puncture success rate, and belongs to the technical field of medical instruments. Comprising a fixing plate, a bearing seat is fixedly connected to the top of the fixing plate, an arc-shaped groove is formed in the top of the bearing seat, and movable mechanisms are arranged at the lower ends of the two sides of the bearing seat. During application, the ultrasonic probe can be inserted into the guide base frame, the second screw rod is rotated to move upwards, the end of the second screw rod tightly presses the bottom of the probe, accurate clamping is achieved, the probe can work stably, when the ultrasonic probe is positioned, if the longitudinal angle needs to be adjusted, operation is very convenient, the limiting frame is slightly pulled, the displacement block is driven to move upwards, and the spring is stretched; according to the device, by means of multi-dimensional flexible adjustment of the ultrasonic probe and cooperation of a puncture needle and a needle guide device for precise puncture, the device perfectly adapts to various scenes, puncture deviation is effectively avoided, and the puncture success rate is increased.

The invention relates to the technical field of bone implants for minimally invasive surgery, and particularly discloses an implant for percutaneous minimally invasive thoracolumbar vertebral fracture, which comprises a vertebral body forming body, the vertebral body forming body comprises a vertebral body forming body head and a plurality of blade parts arranged at the rear end of the vertebral body forming body head in a surrounding manner, the vertebral body forming body head is provided with a needle guide hole penetrating along the axial direction, and the needle guide hole is communicated with the blade parts; a containing cavity is defined by the blade parts; the front end of the threaded guide rod and the head of the cone forming body are integrally formed, the needle guide hole penetrates through the threaded guide rod in the axial direction, and the rear end of the threaded guide rod extends out of the containing cavity; the pedicle screw is provided with a threaded hole penetrating in the axial direction, the threaded hole is in threaded connection with the threaded guide rod, the pedicle screw comprises a screw head and a threaded part arranged at the rear end of the screw head, and the screw head is arranged in the containing cavity and expands the blade part. According to the implant for the percutaneous minimally invasive thoracolumbar vertebral fracture, surgical wounds are reduced, the vertebral restoration effect is good, the stability of a vertebral formed body is guaranteed, and the surgical time can be saved.

A highly sealed invasive biosensing assembly and a biological information monitoring apparatus. The present invention relates to the technical field of biosensors. The highly sealed invasive biosensing assembly comprises a biosensor, and an electrode-protecting cover is snap-fitted to the lower part of the biosensor. A guide needle is snap-fitted into the biosensor, longitudinally penetrating the biosensor. The biosensor further comprises a sensing electrode and an electrode pressure plate. In a first state, the electrode pressure plate, the lower part of a needle guide seat, and the interior of the electrode-protecting cover form a first closed cavity. In a second state, the electrode-protecting cover is detached from the biosensor, so that at least part of the sensing electrode entering the first closed cavity and at least part of a needle body extend out of the first closed cavity. The invasive biosensing assembly and the biological information monitoring apparatus form a closed space inside the assembly and the apparatus by means of a snap structure and the positional relationship between components during assembly, thereby improving the hermeticity in the assembly and the apparatus, so that the assembly is in a sterile state before being implanted into a human body.

The utility model discloses a two-stage spray cyclone integrated with a fuel nozzle. The two-stage spray cyclone comprises an outer ring body, a middle ring body, an inner ring body, a plurality of clockwise guide vanes and a plurality of anticlockwise guide vanes, an annular first-stage rotational flow space is formed between the inner ring body and the middle ring body, an annular second-stage rotational flow space is formed between the middle ring body and the outer ring body, and a middle shaft area is formed in the inner ring body; the clockwise guide vane is mounted in one of the first-stage rotational flow space and the second-stage rotational flow space, and the anticlockwise guide vane is mounted in the other rotational flow space without the clockwise guide vane; a plurality of oil spraying holes are respectively distributed on the inner sides of the outer ring body and the middle ring body, and a plurality of oil spraying holes are distributed on the inner side of the inner ring body and / or an oil spraying nozzle is arranged at the rear part of the middle shaft area. The oil spraying device has the advantages that oil is sprayed in a layered mode from inside to outside and combined with reverse rotational flow, the oil spraying range is remarkably enlarged, atomization of sprayed oil and full and even mixing of the sprayed oil and air are better facilitated, and the energy conversion efficiency of fuel oil can be improved.

A method for closing a puncture in tissue that includes advancing a guide member into proximity with the tissue, the guide member having a needle guide, positioning a distal end of the guide member with the needle guide toward the tissue to present an opening of the needle guide toward the tissue the needle guide cooperating with a suture securing device that is slidably coupled to the guide member and a suture attached to the suture securing device, deploying the suture securing device, the suture securing device comprising a body with an anchor point for the suture and features that allow the suture securing device to pierce the tissue and resist retraction through the tissue, and establishing tension in the suture to move the suture securing device toward another suture securing device to thereby close the puncture in the tissue.

The invention discloses an HTO operation positioning osteotomy guiding auxiliary device, and relates to the technical field of medical instruments, the HTO operation positioning osteotomy guiding auxiliary device comprises a component A, a component B and a component C. The component B and the component C are assembled on the component A in a replaceable mode; the component A is connected with the component B, the component B is provided with at least one group of steel needle guide holes used for guiding steel needles to be placed, a swing saw guide hole parallel to the section where the steel needle guide holes are located and a coronal osteotomy guide hole forming an included angle of 110 degrees with the section where the steel needle guide holes are located, the component A is connected with the component C, and the component C comprises a first fixing part and a second fixing part. The first fixing part and the second fixing part are fixed with the tibia through bone nails, the second fixing part is overturned relative to the first fixing part, and the first fixing part is provided with a protractor for measuring the overturning angle of the second fixing part. According to the device, steel needle implantation, osteotomy, distraction and steel plate installation in the whole HTO operation can be completed, cost is low, and use is convenient.

The invention belongs to the technical field of medical apparatus and instruments, and particularly relates to an ICU department critical patient effusion drainage device which comprises a sleeping table and a bed body for a patient to lie flat. A needle clamping part is arranged at the axis of the flat plate part, and the needle guiding end penetrating into the abdominal cavity of the patient is fixed through the needle clamping part; and the guide parts are symmetrically arranged on the two sides of the flat plate part. The device can assist medical staff in pricking a patient suffering from abdominal dropsy, and after the medical staff pricks the pricking needle into the abdomen of the patient, the device can keep the pricking needle in a stable vertical state and reinforce the pricking needle, so that when the medical staff connects the pricking needle with a drainage belt, an assistant does not need to assist in taking the drainage belt, and the operation is simple and convenient. When the drainage belt is in butt joint with the puncture needle, it can be guaranteed that the puncture needle has enough stability, and the problem that a patient is secondarily hurt due to the fact that the drainage belt makes contact with the abdomen of the patient and stirs the abdomen of the patient is solved.

A core biopsy system includes a core biopsy needle device having a curvable core biopsy needle which is positionable within and movable with respect to a coaxial needle guide. Systems and methods for obtaining biopsy samples from multiple locations with a single insertion of a needle of the biopsy needle device include controlling rotation and displacement of the core biopsy needle. Additional features and methods of the invention include tracking and planning of the obtaining of biopsy samples.

The invention relates to a cooking assisting method, and the method comprises the steps: obtaining the input information of a to-be-cooked food material, and the input information of the to-be-cooked food material comprises at least one of a food material picture and food material text information; according to the input information of the to-be-cooked food material, recommended menu options and corresponding pin guidance are provided for a user, and the pin guidance is used for guiding the user to insert a temperature probe into the to-be-cooked food material; and after the user selects a menu option and successfully inserts the temperature probe into the food material to be cooked according to the guide of the contact pin, generating a cooking control parameter corresponding to the menu option. The cooking auxiliary method can improve the convenience of food material cooking and the success rate of one-key cooking. The invention further relates to a cooking auxiliary device and system, electronic equipment and a readable storage medium.

The device of the present invention is an ultrasound device which is used in a clinical setting to help users locate the correct position and angle for needle insertion. The device provides images of perpendicular image planes without needing to move the device thereby allowing a user to maintain a steady view of the target and surrounding anatomy in multiple image planes as the needle is advanced. The device may comprise a needle guide assembly which can adjust the needle guide angle to control needle insertion. The device may comprise a boot which provides acoustic coupling, sterility and needle guidance.

A device and system for and methods of using an ultrasound probe housing containing ultrasound probes configured to produce images inside the body of a patient for procedures requiring needle or probe insertion. The ultrasound probe housing can be configured with a guide channel cut-out or aperture between the ambient side and body side of a patient. A needle guide assembly may be pivotally connected internal to the guide channel cut-out or aperture of the ultrasound probe housing at a pivot point such that during use the needle enters the patient through the needle guide assembly within the ultrasound probe housing so that the needle can be visualized by the ultrasonic probes in real time. The ultrasound probe housing may also provide an adhesion or suction quality to the body side of the device to facilitate aspects of the invention.

A transperineal puncture guiding bracket is provided, comprising a probe fixing assembly and a guiding assembly, wherein a mounting plate is set on top of the probe fixing assembly, the guiding assembly comprises a needle grooved plate and a cover plate, and the needle grooved plate is detachably combined to a first side surface of the mounting plate by a first vertical insertion structure, a first hanging structure and a first buckling structure, the cover plate is detachably combined with the needle grooved plate by a second vertical insertion structure, a second hanging structure and a second buckling structure, thereby the cover plate is detachably attached to the needle grooved plate to form a plurality of needle guiding holes. In the bracket, needled grooved plates of different specifications can be replaced according to the puncture needles, and the puncture needle can be easily separated from the bracket.

A device comprises an ultrasound probe housing having an ambient side and a body side wherein the ultrasound probe housing contains a plurality of ultrasound probes configured to produce images of inside the body of a patient. The device may further include a needle guide assembly connected to the housing that receives a needle for insertion into the body of the patient so that the needle can be visualized by the ultrasonic probes in real time. Each of a first set of the ultrasound probes is positioned non-perpendicular to the body side of the ultrasound probe housing such that a direction of ultrasound waves generated by each of the first set of ultrasound probes is toward a site of penetration of the needle into the body of the patient.

The invention discloses a guide pin piece folding and milling all-in-one machine and a guide pin piece folding and milling method, and the guide pin piece folding and milling all-in-one machine comprises a rack, a feeding mechanism, a folding and milling mechanism and a driving mechanism. The feeding mechanism is arranged on the rack, and the feeding mechanism is used for conveying needle guide sheets; the feeding mechanism is arranged on the rack, the bending and milling mechanism is arranged on the rack and located on one side of the feeding mechanism, the bending and milling mechanism is used for bending and milling partial structures of the guide pin sheets conveyed by the feeding mechanism, the bending and milling mechanism comprises a bending wheel and a milling wheel, the bending wheel and the milling wheel are located in the same plane, and the bending wheel and the milling wheel sequentially pass through the partial structures of the guide pin sheets; the driving mechanism is arranged on the rack, the driving mechanism is respectively connected with the feeding mechanism and the folding and milling mechanism, the driving mechanism is used for driving the feeding mechanism to convey the needle guide sheet, and the driving mechanism can also be used for driving a bending wheel and a milling wheel of the folding and milling mechanism to sequentially pass through partial structures of the needle guide sheet.

The present invention discloses a watchband assembly jig and a watchband assembly device, which have high alignment accuracy and good assembly effect. The watchband assembly jig includes a lug positioning component, a watchband positioning component, and an ear needle positioning component. The lug positioning component is fixed to a first fixing frame and includes a watchband fixing seat located in an assembly position and positioning the watchband; the watchband positioning component is mounted on a second fixing frame and includes a watchband positioning platform for positioning the watchband; the ear needle positioning component includes an ear needle guide block mounted on a third fixing frame, the ear needle guide block having ear needle mounting holes corresponding to the ear holes on the watchband; wherein the second fixing frame is slidably connected to the first fixing frame in a front-to-back direction and enables the watchband positioning platform to move between a front loading position and a front assembly position, so that the watchband head on the watchband positioning platform moves between the watchband loading position and the assembly position; the third fixing frame is slidably connected to the second fixing frame in a front-to-back direction and enables the ear needle guide block to move between a avoidance position and directly above the assembly position.

A transperineal puncture guiding bracket is provided, comprising a probe fixing assembly and a guiding assembly, wherein a mounting plate is set on top of the probe fixing assembly, the guiding assembly comprises a needle grooved plate and a cover plate, and the needle grooved plate is detachably combined to a first side surface of the mounting plate by a first vertical insertion structure, a first hanging structure and a first buckling structure, the cover plate is detachably combined with the needle grooved plate by a second vertical insertion structure, a second hanging structure and a second buckling structure, thereby the cover plate is detachably attached to the needle grooved plate to form a plurality of needle guiding holes. In the bracket, needled grooved plates of different specifications can be replaced according to the puncture needles, and the puncture needle can be easily separated from the bracket.

A needle guide plate bending and milling integrated machine and a needle guide plate bending and milling method. The needle guide plate bending and milling integrated machine comprises a frame (10), a feeding mechanism (20), a bending and milling mechanism (30), and a driving mechanism (40). The feeding mechanism (20) is used for conveying a needle guide plate (1). The bending and milling mechanism (30) is located on one side of the feeding mechanism (20); the bending and milling mechanism (30) is used for bending and milling a part of the structure of the needle guide plate conveyed by the feeding mechanism (20); the bending and milling mechanism (30) comprises bending wheels (31) and a milling wheel (32); the bending wheels (31) and the milling wheel (32) are located in a same plane; the bending wheels (31) and the milling wheel (32) sequentially pass through the part of the structure of the needle guide plate. The driving mechanism (40) is separately connected to the feeding mechanism and the bending and milling mechanism (30); the driving mechanism (40) is used for driving the feeding mechanism (20) to convey the needle guide plate, and is further used for driving the bending wheels and the milling wheel of the bending and milling mechanism to sequentially pass through the part of the structure of the needle guide plate, so as to machine the needle guide plate to be suitable for textile production requirements. The needle guide plate bending and milling integrated machine enables needle guide plates to be bent and milled under the same position reference, avoiding machining errors caused by different references after multiple feedings, and also avoiding the situation where bent guide needle plates are difficult to stack and thus it is inconvenient to further mill the guide needle plates.

An intravascular ultrasound “(IVUS”) device having an intrinsic or attachable needle guide is disclosed. In some embodiments, a sheath having a needle guide is used in connection with an IVUS device. The devices may be used in performing minimally invasive image-guided surgical procedures. The devices may be configured to maintain a needle placed through guide in the plane of the IVUS-array to improve visualization of the needle. In some embodiments, the device is used to facilitate the creation of a tract through the liver from the inferior vena cava to the portal vein using IVUS-guidance in a direct intrahepatic portocaval shunt procedure. The devices, systems, and methods can improve patient safety by decreasing the risk of off-target punctures, decrease procedure times, and allow procedures to be performed from a single access site.

An endoscope add-on assembly adapted to be attached to a target endoscope. The endoscope add-on assembly includes an ultrasound imaging head, an ultrasound imaging sub-assembly, and a needle guide ramp. The ultrasound imaging head defines an imaging slice plane. The ultrasound imaging sub-assembly is configured to selectively engage the ultrasound imaging head. The ultrasound imaging sub-assembly includes a retaining element configured to secure the ultrasound imaging sub-assembly to the target endoscope. The needle guide ramp is configured to direct a motion of a needle of the target endoscope. The needle guide ramp is configured to align the needle of the target endoscope within the imaging slice plane when the endoscope add-on assembly is attached to the target endoscope.

A device comprises an ultrasound probe housing having an ambient side and a body side wherein the ultrasound probe housing contains a plurality of ultrasound probes configured to produce images of inside the body of a patient. The device may further include a needle guide assembly connected to the housing that receives a needle for insertion into the body of the patient so that the needle can be visualized by the ultrasonic probes in real time. Each of a first set of the ultrasound probes is positioned non-perpendicular to the body side of the ultrasound probe housing such that a direction of ultrasound waves generated by each of the first set of ultrasound probes is toward a site of penetration of the needle into the body of the patient.

The invention discloses an auxiliary positioning device for minimally invasive spine surgery, and particularly relates to the technical field of medical instruments, the auxiliary positioning device comprises a B positioning needle, a positioning rod, a depth limiting sleeve, a positioner fixing frame, a positioner adjusting frame, a positioning needle guide rod, an A positioning needle, a guide wire and a hollow positioning rod. According to the invention, all the components cooperate with each other, so that the field-of-view area intersection point of the surgical instrument and the endoscope can be quickly and accurately found. All the components are tightly connected, functions are integrated, meanwhile, the advantages of precise positioning, stable supporting and reliable protection are achieved, the number of times of fluoroscopy is reduced, X-ray harm to doctors and patients is reduced, the precision of minimally invasive spine surgery is effectively improved, tissue damage of the patients is reduced, surgical risks are reduced, surgical efficiency is improved, and meanwhile postoperative recovery of the patients is facilitated.

An ophthalmic needle guide for entry into a space below a sclera of an eye includes a housing. The housing has a contact surface and a needle guide surface. The contact surface defines a cavity within the housing. The contact surface extends at least partially along a contact plane. The needle guide surface extends about a needle axis to define a needle guide channel. The needle guide channel extends through the housing to an opening defined by the contact surface such that the needle guide channel leads to the cavity via the opening. The needle axis is substantially parallel to the contact plane. The contact surface is shaped such that when the eye needle guide is positioned on the eye, a portion of the sclera is positioned within the cavity and a surface of the eye contacts the contact surface and assumes the shape of the contact surface.