34 results about "Needle localization" patented technology

The invention discloses a buccal needle positioning navigation method and system based on multi-mode perception driving, and the method comprises the steps: collecting the image information and depth information of the face of a patient; generating an individualized face three-dimensional model according to the image information and the depth information; determining a standard meridian map according to a meridian database, and registering the standard meridian map to the individualized face three-dimensional model through non-rigid deformation to obtain acupuncture point positioning; according to the acupuncture point positioning and a pre-stored organization hierarchy model, needle insertion path guiding information is calculated and generated, and in an interactive interface, the acupuncture point positioning and the needle insertion path guiding information are displayed in an overlapped mode so as to execute the needle insertion guiding process; and in the needle insertion guiding process, collision detection is carried out according to the needle insertion path guiding information and the organization level model, and safety early warning is carried out when a collision risk is detected. The precision and safety of the acupuncture treatment process can be effectively improved.

The invention aims to provide an electrode needle positioning device, which comprises a first scale, a second scale, a first guide hole, a second guide hole and a second guide hole, and is characterized in that the first scale is provided with a first guide hole for an electrode needle to pass through; the first vernier is connected with the first scale in a sliding mode, a second guide hole for an electrode needle to penetrate through is formed in the first vernier, and the axis directions of the first guide hole and the second guide hole are parallel to each other. Therefore, the plurality of electrode needles can be kept parallel in ablation treatment, the gap distance among the plurality of electrode needles can be controlled, the bifurcation risk of the needle tip is reduced, the operation difficulty is reduced, and the operation risk is reduced.

A biopsy needle positioning system, a biopsy needle positioning method, and a medical device system is described. The biopsy needle positioning system includes a marker assembly including a marker and a cannula that is fixed relative to the marker and carries a biopsy needle, an image acquisition apparatus being mounted at a position at which the marker can be photographed, and configured to acquire an RGB image of the marker and a depth image corresponding to the RGB image, and a positioning apparatus, which extracts an RGB feature and a point cloud feature of the marker based on the RGB image and the depth image of the marker by using a trained network model, and estimates an estimated position and attitude of the marker based on the RGB feature and the point cloud feature, to obtain an insertion point and an insertion angle of the biopsy needle.

The application relates to the technical field of medical image processing, and discloses a needle insertion positioning device, a control method thereof and a storage medium. The needle insertion positioning device comprises an ablation needle, a magnetic calibration module and an auxiliary needle insertion module. The magnetic calibration module is used for acquiring a three-dimensional image model corresponding to a target object, searching for magnetic calibration position information and image calibration position information according to the three-dimensional image model, and constructing a conversion relationship from a magnetic positioning coordinate system to an image coordinate system of the three-dimensional image model according to the magnetic calibration position information and the image calibration position information. When the magnetic calibration module and the ablation needle are respectively detachably arranged in the auxiliary needle insertion module, the auxiliary needle insertion module acquires magnetic positioning information corresponding to the magnetic calibration module, converts the magnetic positioning information into needle insertion pose information of the ablation needle on the three-dimensional image model by using the conversion relationship, and displays the needle insertion pose information. The application realizes accurate positioning of needle insertion of the ablation needle and an action area of the ablation needle, so that the needle insertion direction and position of the ablation needle can be adjusted.

The invention discloses an acupuncture physical therapy device, which relates to the technical field of acupuncture physical therapy and comprises two parts, namely an acupuncture point and needle inserting positioner held by an acupuncture doctor and a moxibustion device mounted on a treatment bed. According to the acupuncture point and needle inserting positioner, the sliding ruler, the calculator and the adjustable marker post are used for measuring and determining the acupuncture point and controlling the depth and angle of needle inserting, and the accuracy and safety of acupuncture can be improved; according to the moxibustion device, moxibustion can be applied to a plurality of acupuncture parts of a patient at the same time through a plurality of movable and liftable suspended moxa cones, the positions and heights of the moxa cones can be adjusted according to needs, and moxibustion smoke is collected through an aluminum foil cover and a telescopic aluminum foil pipe and discharged outdoors. The two devices are matched for use, and the acupuncture curative effect can be improved.

This invention relates to the field of medical device technology and discloses a neurointerventional puncture positioning device based on ultrasound feedback adjustment. The device includes a base plate, a mounting frame, a puncture needle positioning component, and an ultrasonic probe. A synchronization component for synchronously adjusting the angles of the puncture needle positioning component and the ultrasonic probe is slidably mounted on the upper surface of the mounting frame. The device utilizes a combination of a slider, rotating shaft, synchronous wheel, synchronous belt, arc-shaped slide rail, worm gear, and worm. The worm gear drives the worm wheel to rotate a set of rotating shafts, and the torque is transmitted to another set of rotating shafts via the synchronous belt. This causes the two sets of arc-shaped slide rails to drive the ultrasonic probe and the puncture needle positioning component to rotate synchronously and at the same angle. This ensures that the imaging plane of the ultrasonic probe is always coplanar with the puncture path determined by the puncture needle positioning component, thus solving the problem of the needle tip leaving the field of vision due to "eye-hand separation." This device shortens preoperative preparation time, allows for synchronous micro-adjustment with one hand, and avoids over-adjustment that could damage tissue.

This invention provides an infusion port needle positioning aid, belonging to the field of medical devices. It includes a support frame, with vertical rods fixedly connected to both sides of the top of the support frame. A sliding sleeve is slidably connected to the outer surface of each vertical rod, and a first spring is fitted onto the outer surface of the vertical rod. An adhesive strip is fixedly connected to the bottom of the support frame. A positioning component for quickly fixing a butterfly needle is provided on one side of the sliding sleeve. The positioning component includes a disc fixed to one side of the sliding sleeve, with a slot inside the disc. Two clamping plates can firmly hold the butterfly needle, ensuring that the first needle is in the center of the slot, preventing the butterfly needle from shifting to one side of the slot and causing it to deviate from the puncture position of the infusion rod. This also avoids the decrease in elasticity and deformation capacity caused by long-term spring clamping, which could lead to permanent deformation and loss of initial clamping force or pre-tightening, resulting in loosening of the fixed object.

The invention relates to a surgical instrument arrangement device which comprises a needle die unit, the needle die unit comprises a supporting leg, two needle positioning hole plates and a plurality of shaping needles, and the two needle positioning hole plates are respectively an upper needle positioning hole plate and a lower needle positioning hole plate which are arranged on the supporting leg in parallel up and down; positioning needle holes in one-to-one correspondence are densely distributed in the two positioning needle hole plates, the shaping needles are configured to be limited to move in the positioning needle holes, each shaping needle is provided with a lengthening part which is longer than the distance between the two needle positioning hole plates, the two ends of each shaping needle penetrate out of the corresponding needle positioning hole plates respectively, and an overhead space for the shaping needles to stretch into is formed below the lower needle positioning hole plate; and the shaping needle is provided with a damping mechanism for keeping the shaping needle at any position. And cavities matched with the surgical instruments can be generated, so that corresponding counting of the instruments is facilitated.

The utility model discloses a kind of for cervical cancer's rear-mounted precision close-range treatment device, belong to the technical field of treatment equipment, including positioning plate, the positioning plate is equipped with through-hole, guiding column is installed in the through-hole, the inside both sides of the positioning plate are provided with adjusting hug device, the adjusting hug device passes through through-hole side wall, from both sides hug guiding column, the guiding column one end is provided with limit plate, the limit plate is located in the positioning plate side, the guiding column is equipped with central hole and several groups of side hole, central insertion pipe is installed in the central hole, side insertion pipe is installed in the side hole, the utility model discloses a kind of adapt to different patients use, improve the positioning effect of insertion needle, reduce the treatment device of influence to radiotherapy effect.

The tumor sampling device comprises a positioning assembly and a sampling barrel, the upper end and the lower end of the sampling barrel are open, a detachable guide pipe is installed at the bottom of the sampling barrel, a movable plate is arranged in the sampling barrel in a sliding mode, and an installation plate is fixed to the bottom of the movable plate. A sampling needle is fixed on the side surface of the mounting plate and is arranged in the guide pipe in a sliding manner. According to the tumor sampling device for the pathological diagnosis of the tumor patient, the positioning assembly is additionally arranged, the arranged positioning assembly assists the guide cylinder in use, the situation that the guide cylinder moves or even falls off when the sampling needle is moved is avoided, the sampling needle is conveniently positioned and guided through the guide cylinder, and meanwhile the guide cylinder plays a role in protecting the sampling needle; tumor cells after sampling are prevented from falling off from the sampling needle when the sampling needle is taken out, and the guide cylinder is arranged to assist the sampling needle to move to the tumor, so that the tumor cells are effectively sampled by the sampling needle.

Apparatus, systems, and methods are provided for localization of a needle within a patient's body using markers. In an exemplary embodiment, a probe includes a distal end for placement against a surface of the region and one or more antennas for transmitting electromagnetic signals into and receiving reflected signals from the region. A processor processes the modulated reflected signals at one or more of the surface locations to determine marker locations along the needle and generate a three-dimensional model of the body region and needle.

The utility model discloses a thigh intramedullary nail main nail guide needle location protection guider, including protection baffle, ring, location needle and closed conduit, protection baffle one side arc is provided to fit the human finger, the ring is provided on protection baffle arc side wall and up and down interval is provided at least two, the ring mouth is adjustable, and the location needle is provided with the ring mouth. The side, away from the arc-shaped side wall, of the protection baffle is longitudinally provided with a groove, the positioning needle is arranged on the end face of one end of the protection baffle, and the closed guide pipe is arranged on the outer wall of the end, provided with the positioning needle, of the protection baffle and communicated with the longitudinal groove. And the finger ring close to the positioning needle is a circular truncated cone-shaped ring body with a large upper part and a small lower part. According to the femoral intramedullary nail main nail guide needle positioning and protecting guider, the guide needle can be positioned and placed more conveniently, safely, quickly and accurately, so that the perspective frequency is reduced, and the operation time is shortened.

The invention relates to the technical field of hemodialysis sampling, and discloses a nephropathy internal medicine hemodialysis sampler which comprises a sampling barrel, a mounting assembly and a clamping assembly are arranged in the sampling barrel, and a moving assembly is arranged at the top end of the sampling barrel; the installation assembly comprises two sets of sawtooth grooves symmetrically formed in the one-third position of the front end in the sampling barrel, clamping bases are embedded in the sawtooth grooves in a sliding mode, and a needle tube is installed on the sampling barrel through the clamping bases. From needle tube insertion, lower needle positioning to sample extraction, the problems of shaking, deviation and slipping easily occurring in traditional handheld operation are solved, the risk of puncture failure, sample pollution or repeated puncture caused by unstable operation is greatly reduced, the technical threshold of an operator is lowered, the sampling success rate and the patient comfort are improved, and the operation efficiency is improved. Meanwhile, the device is high in overall structure integration level, does not need to be provided with redundant parts for sampling each time, has good universality and controllable cost, and is suitable for clinical daily mass dialysis sampling.

Cryogenic methods, cryogenic systems, and cryogenic devices for alleviating lower back pain in a patient. The cryogenic device includes a handpiece having a size and shape suitable for being supported in an operator's hand, and a needle probe coupled to a distal portion of the handpiece. The needle probe includes a probe body, at least one needle coupled to the probe body, and a supply tube of silica extending within a needle lumen. The system includes a guide configured to receive the at least one needle and position the at least one needle in proximity to a location of a target tissue associated with lower back pain, wherein the cryogenic device is configured to provide a desired iceball shape that remains on a distal portion of the guide after the at least one needle is removed from the guide. The system further includes a needle sheath configured to house the needle probe.

The embodiment of the invention provides a biopsy needle positioning system, a biopsy needle positioning method and a medical equipment system. The biopsy needle positioning system comprises: a marker assembly, wherein the marker assembly comprises a marker and a cannula which is fixed relative to the marker and carries a biopsy needle; the image acquisition device is mounted at a position where a marker can be shot, and is used for acquiring an RGB image of the marker and a depth image corresponding to the RGB image; and the positioning device is used for extracting the RGB features and the point cloud features of the marker according to the RGB image and the depth image of the marker by using a trained network model, and estimating the estimated position and posture of the marker according to the RGB features and the point cloud features so as to obtain the insertion point and the insertion angle of the biopsy needle. According to the embodiment of the invention, the biopsy cost can be reduced, and the working efficiency can be improved.

The utility model relates to medical auxiliary instrument technical field, concretely relates to a calcaneus sustentaculum tali guider, its characterized in that: including first guide needle, positioning module, second guide needle and guide module, first guide needle is positioned to the sustentaculum tali bone block through calcaneus cross angle gap and is inserted, positioning module is equipped with positioning channel in, positioning module is set on first guide needle through positioning channel, guide module is connected with positioning module through connecting rod, guide module is equipped with at least one with the same plane of positioning channel in guide channel, the included angle alpha is formed between guide channel and positioning channel, second guide needle is inserted from guide channel and can produce intersection convergence point with first guide needle. The utility model can accurately guide second guide needle to hit the sustentaculum tali bone block from the calcaneus lateral surface in the calcaneus operation, to reduce the fluoroscopy number in operation, and improve the operation efficiency, precision and safety.

Several needle insertion devices are disclosed, including devices that achieve a fixed or variable insertion angle. The fixed insertion angle device may include a channel guide with a stop to limit insertion to a desired depth. The fixed insertion angle device may also include a rack and pinion mechanism to maintain the insertion geometry to achieve a desired depth. The variable insertion angle design may include a channel guide with a stop to limit insertion to a desired depth. The variable insertion angle device may also implement a depth cam configured to associate an insertion angle with an insertion depth. Improvements to these designs are also disclosed.

Presented herein are techniques for locating a target structure disposed in a body of a subject and / or guiding a needle with respect to the target structure. In one example, an apparatus is provided that includes a locator portion and a needle guide portion. The locator portion is configured to locate a target structure disposed in a body of a subject, and a needle guide portion defines an aperture configured to have a needle positioned therewith. The needle guide portion is configured to align the needle at a target angle relative to the target structure.

The application discloses a lung nodule positioning and ablation integrated device and method, which comprises a positioning and ablation needle, the positioning and ablation needle comprises an outer needle tube one, which is hollow inside and coated with an insulating layer on the surface; a positioning member made of a material with electric conductivity is arranged inside the outer needle tube one and used for being stabbed into a lung nodule and simultaneously serving as a radio frequency ablation electrode; a positioning guide wire made of a material with electric conductivity is coated with an insulating layer on the surface, and a hydrophilic coating layer is coated on the insulating layer; one end of the positioning guide wire is connected with the positioning member, and the other end of the positioning guide wire is led out from the inside of the outer needle tube one and connected with a radio frequency ablation device; and a pushing mechanism is sleeved on the positioning guide wire and used for pushing the positioning guide wire and stabbing the positioning member into the lung nodule. The application can solve the problems that the existing lung nodule positioning and radio frequency ablation need to be carried out in steps, the positioning is inaccurate, the lung nodule is prone to displacement and bleeding in the multiple puncture processes.

This invention discloses an automated production line for deburring dental burs, comprising a deburring mechanism for deburring dental burs, a vision inspection mechanism for inspecting the deburred burs, a pressing mechanism for pressing the deburred burs onto an electroplated insert plate, and a spatial transfer mechanism for transferring the dental burs. The deburring mechanism includes a deburring machine and a deburring worktable. The vision inspection mechanism includes a detection camera for acquiring images of the deburred burs and an image recognition processing system for image processing. The pressing mechanism includes a needle plate fixing mechanism for fixing the electroplated insert plate, a pressing plate for receiving the dental burs and pressing it onto the electroplated insert plate, and a pressing mechanism for driving the pressing plate to move spatially. This production line has advantages such as high production efficiency, stable and high product quality, and high positioning accuracy of the electroplated pressing needles.

The invention belongs to the technical field of traditional Chinese medicine acupuncture and moxibustion treatment, and particularly relates to an umbilical needle positioning and acupuncture method which comprises the following steps: S1, umbilical region positioning preparation: taking a supine position of a patient, exposing an umbilical region, taking an umbilical region anatomical structure as basic reference, removing dirt on the surface of the umbilical region and keeping the umbilical region skin in a natural loose state; s2, reference point determination: taking the center of the umbilical orifice as a core reference point, marking as an original point O, drawing a horizontal axis (parallel to the coronal plane of the body of the patient) and a vertical axis (parallel to the sagittal plane of the body of the patient) through the original point O, and forming an umbilical region positioning coordinate system; and S3, target acupuncture point positioning: determining a target acupuncture point to be punctured according to diagnosis and treatment requirements, and determining and marking the accurate position of the target acupuncture point by measuring the linear distance between the target acupuncture point and the original point O and the deflection angle of the target acupuncture point relative to the horizontal axis / vertical axis based on the umbilical region positioning coordinate system established in the step S2.

The invention discloses a puncture needle positioning assisting system for ultrasonic guided interventional operation, and relates to the field of puncture needle positioning assisting. Tissue thickness variation and tissue texture displacement are extracted to analyze the contact state of the probe and the tissue in the interventional operation process; in a compression stable state, generating a first needle point position sequence; generating a second needle point position sequence in a compression enhancing state or a compression releasing state; comparing the variation difference between the needle body movement variation and the tissue movement variation frame by frame, and generating a main needle point positioning result sequence at the current moment; and calculating the needle point position variation and the distance variation between the needle point position variation and the target region and the risk structure frame by frame, and when the distance variation is greater than a preset distance variation threshold, generating an updated main needle point positioning result sequence. The puncture safety of the ultrasound-guided interventional operation can be improved.

The utility model discloses a scalp needle positioner. The scalp needle positioner is formed by connecting and combining a diameter-adjustable skull base belt, a diameter-adjustable top pillow belt, a diameter-adjustable frontal middle belt and a vertical frontal top belt through gaps. The structure can be adjusted according to the outline of the head of a patient, the needle inserting position is guided through the hole positions distributed in the positioner, it is ensured that acupuncture positions, acupuncture points and the like can correspond correctly and meet the requirements, and the popularization rate of the head acupuncture therapy is increased.

This invention relates to the field of acupoint therapy technology, and in particular to an artificial intelligence-based cheek acupuncture positioning system and method. The invention acquires a first and second surface model of the target area through a scanning module, determines the state change type of each local region on the target area through a local feature extraction module, identifies several related regions through an intelligent analysis module, identifies several positioning adjustment acupoints through an intelligent positioning module, and determines the direction of the positioning marker based on the point cloud data comparison results of the local region where the positioning adjustment acupoints are located. Furthermore, considering the influence of different deformation types such as bulging and depression of local tissues after facial pressure on acupoint positioning, a targeted quantitative analysis and dynamic adjustment mechanism is established to promote the development of cheek acupuncture therapy towards precision and intelligence.

The utility model discloses a puncture positioning needle, this puncture positioning needle includes: puncture needle part, push rod part, positioning spring, puncture needle part includes: puncture needle tube, puncture needle handle, plug cap, and puncture needle tube has needle tip, and positioning spring includes positioning spring head part positioning hook and positioning spring tail, and positioning spring is by the needle tip and is worn into puncture needle tube in positioning spring tail, its characterized in that, the material of positioning spring is shape memory alloy, and it includes the first state when being located in puncture needle tube and the second state after releasing, when releasing positioning spring from puncture needle tube through push rod part, positioning spring restores from the first state to the second state rapidly, and in the second state, positioning spring carries out the anchoring positioning to the lesion, the puncture positioning needle of the utility model is accurate in positioning, and convenient operation.

The invention relates to a multifunctional moxibustion acupuncture device, which belongs to the technical field of medical instruments and comprises a base plate, a ball cover, a sliding jack seat and a needling instrument, and a cover hole is formed in the middle of the base plate; a long-strip-shaped hole is formed in the wall of the spherical cover in the direction from the top end to the bottom end; the bottom end of the sliding jack seat penetrates through the long-strip-shaped hole to be clamped in the ball cover, and sliding grooves are formed in the two opposite sides of the sliding jack seat respectively. The two sides, corresponding to the long-strip-shaped hole, of the ball cover slide in the two sliding grooves so that the position of the socket can be changed by manually pushing the socket. And the multifunctional needle is inserted into the sliding jack seat. When the sliding insertion hole seat is pushed, the placement position and the placement angle are changed, the inserted multifunctional needling instrument can be locked and supported, the needling position and the needling angle are adjusted, and the needling point of a needle tip is always kept in the center of the hemisphere of the spherical cover; the technical obstacle that multi-angle acupuncture needle positioning and fixed point and fixed angle cannot be quantified during acupuncture in traditional acupuncture is overcome, and a traditional stimulation needle conveying mode of controllable mechanical needle twisting and vibration needle shaking is achieved.

The utility model discloses an ablation needle positioning device, which belongs to the technical field of medical instruments and comprises a slide rail, a needle-holding reference seat mounted on the slide rail and a needle-holding adjusting seat slidably connected onto the slide rail, and the needle-holding adjusting seat is locked with the slide rail through a locking mechanism. A first clamping groove and a second clamping groove are formed in the needle holding reference seat and the needle holding adjusting seat respectively, the first clamping groove and the second clamping groove are used for clamping an ablation needle, and the groove length directions of the first clamping groove and the second clamping groove are parallel to each other and are perpendicular to the extending direction of the sliding rail. After the ablation needles are clamped into the first clamping groove of the needle holding reference seat and the second clamping groove of the needle holding adjusting seat, the ablation needles on the needle holding reference seat and the needle holding adjusting seat are parallel to each other, relative movement and inclination between the ablation needles in the ablation process can be prevented, and the problem that in the operation process, the needle bodies are difficult to keep parallel is solved; meanwhile, the distance between the needle holding reference seat and the ablation needle on the needle holding adjusting seat can be adjusted by moving the needle holding adjusting seat on the sliding rail, so that parallel needle distribution is assisted.

A needle positioning device. The device includes a first jaw member and a second jaw member. The device further includes a handle component operatively coupled to the first and the second jaw members, configured to move at least one of the jaw members with respect to the other between an open position and a closed position. The jaws and the handle component are made of a radiotransparent material. The device further includes a first needle localizing component operatively coupled to the first jaw member and a second needle localizing component operatively coupled to the second jaw member. The needle localizing components are made of a radioopaque material. The first needle localizing component and the second needle localizing component are configured to align in the closed position to define a hole.

The invention belongs to the technical field of acupuncture and moxibustion instruments, and particularly relates to an acupuncture and moxibustion device suitable for spinal cord injury urination and defecation disorder rehabilitation, which comprises a shell, and a needle storage cavity, an injection cavity, a pushing module, a transfer module and an air injection module are arranged in the shell. The needle storage cavity is used for storing a plurality of metal needle modules, and the transfer module can transfer the metal needle modules to the injection cavity one by one. A sliding part capable of being driven by gas is contained in the metal needle module, and when the module is in place, the gas injection module is inflated to push a needle body to accurately pierce into an acupuncture point. Through mechanical and electrical integration design, full-process automation from needle supply, positioning to acupuncture is achieved, accuracy and consistency of operation are guaranteed, and an efficient and reliable solution is provided for rehabilitation treatment of urination and defecation dysfunction after spinal cord injury.