84 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 utility model relates to a needle fixture, in particular to a needle positioning fixture, which comprises a base, a positioning pin and a positioning pin. The supporting frame is arranged on one side of the base; the first clamping arm comprises a first end part used for clamping the bending part, the second clamping arm comprises a second end part used for clamping the bending part, the first clamping arm and the second clamping arm are rotatably connected with the sliding block, the supporting frame is provided with a sliding groove which is matched with the sliding block and extends in the axial direction, and the sliding block is slidably connected with the sliding groove; the first end part and the second end part are oppositely arranged, and the first end part and the second end part abut against each other in the clamping area through the first elastic assembly and the second elastic assembly; after the needle is fixed, the needle fixing device further comprises a locking block which is arranged on the base in a sleeving mode and used for fixing the needle and the base. By means of the structure, needle positioning in multiple directions and angles can be achieved through the same clamp.

The present invention discloses a traditional Chinese medicine microneedle positioning negative pressure desilting device and method for treating vascular stasis, which relates to the field of medical equipment technology. The device comprises a fixing base and a negative pressure cup, wherein the negative pressure cup is detachably mounted on the fixing base, and the fixing base is provided with two vacuum pumps for communicating with the negative pressure cup. The negative pressure cup comprises an outer cup, an inner cup, and a needle holder. The outer cup is sleeved on the outside of the inner cup and is opened downward. A first chamber is formed between the outer cup and the inner cup, and a second chamber is formed inside the inner cup. A cushion is provided between the outer cup and the inner cup port. The needle holder is located above the negative pressure cup, and a microneedle body is provided inside the needle holder. The microneedle body is driven downward to extend and retract by a telescopic mechanism. An outer connecting pipe and an inner connecting pipe are provided above the side walls of the outer cup and the inner cup, respectively, which are connected to the interface ends of the two vacuum pumps. The present invention can significantly reduce the incidence of pain and bruises in patients, improve the efficiency of desilting and the safety of use, and shorten the medical operation time, thus having significant clinical and industrial value.

The femoral intramedullary nail main nail guide needle positioning protection guider comprises a protection baffle, at least two finger rings, a positioning needle and a closed catheter, one side of the protection baffle is arranged in an arc shape to be matched with the fingers of the human body, the finger rings are arranged on the arc-shaped side wall of the protection baffle in an up-down spaced mode, and ring openings of the finger rings can be adjusted; 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 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.

The present invention discloses a pancreatic puncture locator and a positioning method thereof, and belongs to the field of pancreatic puncture. A pancreatic puncture locator comprises a fixed frame, and also comprises: a support frame slidably connected to the fixed frame, wherein the support frame is provided with a positioning tube, a protective head is fixedly connected to the positioning tube, and a cavity is provided in the positioning tube; a slider is slidably connected in the cavity, wherein a puncture needle is fixedly connected to the slider, a drainage tube is fixedly connected to the positioning tube, and the puncture needle is slidably connected to the protective head; the present invention is simple to use and easy to operate, and the pancreas is positioned by the positioning tube and the protective head, and then the puncture needle is pulled out of the protective head by a pull rope to puncture the pancreas, which reduces the trouble of first using a fine needle for positioning and then inserting the pipeline for puncture, improves the efficiency of puncture treatment, reduces the operation time, and reduces the pain of the patient.

An apparatus for use with an isolator, including a crown for releasably joining with a beta port of the isolator, wherein the crown includes at least one anchoring support; a spring hook on at least one end of the at least one anchoring support; a needle block including at least one through hole for having a needle positioned therein, wherein the at least one needle is joined with tubing; a yoke; and a biasing element releasably joined with the yoke and the at least one anchoring support; wherein the needle block is releasably joined to the crown.

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 invention relates to the technical field of traditional Chinese medicine acupuncture needle feeding auxiliary instruments, in particular to an auxiliary device for traditional Chinese medicine acupuncture needle feeding, and solves the technical problem that in the prior art, needle feeding auxiliary equipment facilities for main acupuncture points of neck needles do not exist. In addition, when the pricking needle mechanism acts, the pricking depth can be adjusted in advance, automatic needle application and complete assistance can be achieved, the relative position can be adjusted, specific adjustment is completed through an arc-shaped frame and achieved by moving a small preset distance, in addition, the auxiliary positioning mechanism can be used as an application needle to position the Fengfu acupoint, and the pricking needle mechanism can be used for pricking the Fengfu acupoint. Performing auxiliary touch positioning; in addition, the z-direction action assembly and the y-direction movement assembly achieve adjustment of the height and the extension direction of the neck, adaptive changes can be made for the physical characteristics of the hour pointer, and actual use is better facilitated.

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 present invention relates to an internal radiotherapy implant needle guide, comprising a rod-shaped body, a central bore arranged along the central axis of the rod-shaped body, axial needle passageways evenly distributed along the circumference of the rod-shaped body and arranged parallel to the central boreway, a plurality of oblique needle entry openings arranged on the side of the rod-shaped body's tail end, and a plurality of oblique needle exit openings arranged on the side of the rod-shaped body's head end; the oblique needle entry openings and oblique needle exit openings correspond to each other and are connected by the oblique needle passageways. The present invention facilitates implant needle positioning and has a simple structure.

The invention discloses an anal fistula probe positioning device capable of being automatically adjusted, and belongs to the technical field of medical equipment. The device comprises a needle seat, a nickel-titanium memory alloy probe with the phase change temperature consistent with the human body temperature is installed at the front end of the needle seat, the end of the probe is connected with a miniature ultrasonic probe with a guide seat, the direction of the guide seat is controlled through a first traction line, a second traction line, a corresponding first motor and a corresponding second motor, and automatic adjustment of the direction of the probe is achieved through a miniature pressure sensor and a control module. The surface of the probe is provided with a groove and sleeved with a film pipe sleeve, an electric heating wire is embedded in the probe, and the rear end of the probe seat is connected with a silica gel ring, a corrugated sheet, a grip and a signal transmission wire. The memory alloy probe conforms to the shape of a fistula, and tissue damage is avoided; the miniature ultrasonic probe performs real-time imaging to solve the problem of blind vision; pressure sensing is linked with the motor to achieve automatic steering of the probe, positioning precision and operation safety are improved, vibration is reduced through a holding structure, and operation stability is guaranteed.

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 discloses a scalp needle positioner and a using method thereof. The scalp needle positioner is formed by connecting and combining a diameter-adjustable skull base band, a diameter-adjustable top pillow band, a diameter-adjustable frontal middle band and a vertical frontal top band 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.

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 belongs to the field of medical instruments, and particularly relates to an ultrasonic puncture needle positioning transmitting device. The device comprises a fixing ring with a broken right side wall, a fastening mechanism is mounted on the right side wall of the fixing ring, a mounting block is arranged on the left side of the fixing ring, a fixing groove without an upper groove wall is formed in the left side wall of the mounting block, a needle guide block is detachably mounted in the fixing groove, and a vertically-through through hole is formed in the lower groove wall of the fixing groove. The left side wall of the needle guide block is an arc-shaped surface, a guide hole communicated with the through hole and used for limiting the angle of the puncture needle is formed in the arc-shaped surface, mounting plates are fixed to the left side wall and the front side wall of the fixing ring, and a sliding rod used for changing the position of the mounting block is fixed between the two mounting plates; and retention assemblies for fixing the positions of the mounting blocks after sliding are fixed on the two mounting plates. According to the utility model, a medical worker can quickly adapt to an in-plane or out-of-plane puncture method after successful scanning, and scanning does not need to be carried out again after a fixing ring is sleeved.

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 invention relates to the field of medicine detection, in particular to an acupuncture needle positioning and recording device which comprises a supporting seat, a positioning assembly used for guiding a needle to be positioned is arranged in the supporting seat, a recording assembly used for recording the needle inserting angle of the needle is arranged at the upper end of the positioning assembly, and a fixing assembly used for fixing the needle is arranged in the supporting seat. The bottom of the supporting seat is provided with an attaching assembly used for fixing the supporting seat, the center of the upper surface of the supporting seat is provided with a conical groove used for guiding a moxibustion needle, a conical block is clamped into the conical groove, a guide hole and a fixing hole in the conical block correspond to the circle center of the lower surface of the supporting seat, and then the moxibustion needle is inserted into the needed guide hole. The acupuncture needle is guided to be inserted into a preset acupuncture point through the recording hole, the guide holes and the fixing holes, the guide holes are arranged according to different needle feeding angles, the acupuncture needle can be effectively guided to be fed according to different angles, and the acupuncture point needing to be obliquely fed can be positioned through assistance of acupuncture positioning equipment.

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 utility model relates to the field of medical instruments, in particular to a disposable CT (Computed Tomography) positioning puncture fixed-angle guiding device which comprises a base, an angle arc-shaped frame and a needle clamping positioning sliding block. The base is matched with the angle arc-shaped frame, the needle clamping positioning sliding block capable of moving freely is matched, a puncture angle reference line on the angle arc-shaped frame is referred, and a clamping structure capable of clamping a large puncture needle and a small puncture needle is further arranged, so that the CT positioning puncture fixed-angle guiding device is small in size, accurate in positioning, easy to operate and convenient to use. The operation procedures of doctors are reduced, the operation time is shortened, and the working efficiency of the doctors is improved. Meanwhile, the long-time puncture pain of a patient is relieved, and good economic value and social value are achieved.

Ultrasound systems and methods that include and / or use interventional instruments (e.g., needles) are disclosed. In some embodiments, the ultrasound system has an interventional instrument having the at least one ultrasound transducer element attached to the interventional instrument and configured for insertion towards the patient anatomy as part of an insertion procedure. The ultrasound system is configured to: determine, during the insertion procedure, an occurrence of a trigger event; instruct, responsive to the determination of the occurrence of the trigger event, the at least one ultrasound transducer element to transmit the additional ultrasound; and determine, based on the reception of the additional ultrasound by the ultrasound scanner, that the interventional instrument is detected.

The invention discloses a tibia high-position inner side open wedge-shaped osteotomy operation guider, and belongs to the technical field of medical instruments, the tibia high-position inner side open wedge-shaped osteotomy operation guider comprises a fibula tip positioning frame, a tibia positioning frame is arranged on the right side of the outer side wall of the fibula tip positioning frame, and an adjusting groove is formed in the front surface of the tibia positioning frame; the outer side wall of the fibula tip positioning frame is slidably connected with the interior of the adjusting groove. In the prior art, fluoroscopic examination and guide needle positioning adjustment need to be conducted frequently by means of imaging equipment, the operation time is prolonged, radiation exposure of patients and medical staff is increased, the extension distance of a telescopic sleeve is observed through two first scale marks, and therefore the total length of the cut tibia is calculated, and the total length of the cut tibia is calculated. The guide needle can be accurately positioned at a time, the number of times of repeated adjustment and fluoroscopy in an operation is greatly reduced, the operation time is remarkably shortened, and the anesthesia time of a patient and the risk in the operation can be reduced.

The invention discloses a traditional Chinese medicine microneedle positioning negative pressure dredging device and method for treating vein stasis and blockage, and relates to the technical field of medical equipment, the traditional Chinese medicine microneedle positioning negative pressure dredging device comprises a fixed seat and a negative pressure cup, the negative pressure cup is detachably arranged on the fixed seat, two vacuum pumps used for being communicated with the negative pressure cup are arranged on the fixed seat, and the negative pressure cup comprises an outer cup, an inner cup and a needle frame; the inner cup is sleeved with the outer cup, an opening of the outer cup faces downwards, a first cavity is formed between the outer cup and the inner cup, a second cavity is formed in the inner side of the inner cup, a buffer pad is arranged between ports of the outer cup and the inner cup, the needle frame is located on the upper portion of the negative pressure cup, and a microneedle body is arranged in the needle frame and driven by a telescopic mechanism to stretch out and contract downwards. And an outer connecting pipe and an inner connecting pipe which are communicated with the interface ends of the two vacuum pumps are respectively arranged above the side walls of the outer cup and the inner cup. According to the invention, the pain and ecchymosis occurrence rate of a patient can be remarkably reduced, the silt pumping efficiency and the use safety are improved, meanwhile, the medical care operation time is shortened, and the clinical and industrialization values are remarkable.

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.