84 results about "Needle biopsy" patented technology

The utility model relates to a needle biopsy mechanism, which relates to the field of prostate needle biopsy, and comprises a biopsy gun guide assembly, a lifting assembly, a linear motion assembly and a rotating assembly, when puncture is carried out, the biopsy gun guiding assembly and a linear probe imaging plane in the ultrasonic probe need to be coplanar so that a needle of the biopsy gun guiding assembly can be completely seen in the plane; the biopsy gun guide assembly is guided by the biopsy gun guide assembly to penetrate into a biopsy position; the lifting assembly is connected with the biopsy gun guiding assembly and used for driving the biopsy gun guiding assembly to be close to or away from the ultrasonic probe in the plane. The linear motion assembly is connected with the lifting assembly and used for driving the biopsy gun guiding assembly to be close to the perineum part so that the biopsy gun guiding assembly can conveniently conduct puncture through a guiding hole of the guiding device. The rotating assembly is connected with the linear motion assembly and used for driving the biopsy gun guiding assembly to do circular motion around the axis of the ultrasonic probe. According to the invention, the prostate lesion point corresponding to the to-be-detected area can be better punctured.

The invention relates to a pulmonary nodule minimally invasive needle biopsy excision device, and relates to the technical field of medical instruments. The system comprises a mechanical arm electrically connected with CT equipment, navigation auxiliary equipment, a puncture assembly detachably connected with the mechanical arm and used for puncturing human tissue, a sampling assembly for sampling tissue at a nodule and a marking assembly for marking the sampling position; the puncture assembly comprises a mounting base detachably connected with the mechanical arm and a puncture needle arranged on the mounting base, and the end of the puncture needle is sharp. The puncture needle is arranged in a hollow mode, the sampling assembly comprises a rotary cutting cylinder rotationally arranged in the puncture needle and a power part for driving the rotary cutting cylinder to rotate, a first rotary cutting opening is formed in the puncture needle, a second rotary cutting opening is formed in the rotary cutting cylinder, and the first rotary cutting opening movably corresponds to the second rotary cutting opening. The biopsy sampling device has the advantages that the sampling amount of each biopsy sampling is conveniently increased, the puncture sampling frequency is reduced, and meanwhile the radiation dosage is reduced.

A tilted needle biopsy assembly is provided for mounting on an x-ray system. Because the biopsy needle is angled relative to at least one of the detector and the x-ray source, x-ray imaging may be performed during the biopsy procedure without interference by the biopsy device. The angled biopsy needle additionally allows improved access to the axilla and chest wall of the patient. The stereotactic biopsy device of the present invention may be coupled to any x-ray system, whether upright or prone, including but not limited to mammography systems, tomosynthesis systems, and combination mammography / tomosynthesis systems. The system flexibly supports the use of any mode of image capture (i.e., scout, two dimensional mammogram, three-dimensional reconstructed volume) for either or both target visualization and target localization. With such an arrangement, a needle biopsy assembly having improved patient coverage is provided for use with a variety of different x-ray imaging platforms.

The invention provides a magnetic drive biopsy needle type biopsy sampling capsule which comprises a capsule shell and a micro camera fixed in the capsule shell, the micro camera is connected with a micro camera data line, the micro camera data line is led out from the interior of the capsule shell, and after sampling is completed, the micro camera data line is connected with the capsule shell. The miniature camera data line serves as a traction rope, and the magnetic drive biopsy needle type biopsy sampling capsule is taken out of the oral cavity through the miniature camera data line. The magnetic drive biopsy needle type biopsy sampling capsule has the advantages that the miniature camera data line led out from the tail of the magnetic drive biopsy needle type biopsy sampling capsule can serve as a pull line and is directly pulled out from the mouth, and therefore the time needed by sampling is greatly shortened.

The utility model discloses a thyroid needle biopsy device, including thyroid needle biopsy device main part, first locking piece, second locking piece and cushion pad, the inner wall of alcohol tube is movably connected with push component, the bottom of spray tube inner wall is fixedly connected with dispersion component. Through the arrangement of the mounting plate, the alcohol pipe and the spray pipe, the alcohol pipe can be fixed and limited by the mounting plate, the alcohol pipe is used for storing disinfection alcohol, and the disinfection alcohol can be sprayed to the skin of a patient through the spray pipe, so that the problem that the skin of the patient needs to be disinfected by alcohol before thyroid tissue cells are obtained is solved; however, the problems that an existing thyroid needle biopsy device body does not have a disinfection function, an alcohol disinfection device needs to be additionally prepared in advance, great inconvenience is caused, and the efficiency and the quality of cell extraction are affected due to the fact that the outer skin of a cell extraction area is not accurately disinfected manually are solved.

The invention discloses a CT (Computed Tomography) guided needle biopsy method based on a recursive deformable non-rigid registration network. The CT guided needle biopsy method comprises the following steps: S1, collecting and enhancing a training data set; s2, training a recursive deformable non-rigid pyramid registration network; s3, training a target tissue segmentation network; s4, deploying a registration network and preparing the network before the operation; and S5, performing real-time registration in the operation. By means of the highlight display technology for the target tissue in the target focus, whether the taken tissue is the target tissue of the preoperative plan or not can be helped to be confirmed after an operation, so that the success rate and efficiency of puncture are improved, and unnecessary secondary biopsy is reduced.

The utility model relates to the technical field of puncture needles, in particular to a medical electric puncture biopsy needle which comprises a handle and a driving mechanism fixedly connected with the handle, the driving mechanism comprises a shell and a motor located in the shell, the output end of the motor is fixedly connected with a connecting piece, the connecting piece is detachably connected with a puncture needle assembly, and the puncture needle assembly is fixedly connected with the handle. And a battery assembly for supplying power to the motor is arranged in the handle. According to the electric puncture needle, when bone puncture operation is carried out, a puncture doctor needs to hold a handle, the handle is mainly used for controlling the direction and exerting certain pressure, a needle sleeve and a needle core are driven by a motor to rotate left and right rapidly and cut bone tissue continuously, the puncture accuracy can be greatly improved, the time is greatly shortened, and the puncture efficiency is greatly improved. Meanwhile, physical exhaustion of doctors is relieved, operative complications can be greatly reduced, and benefits are brought to the majority of patients.

The invention relates to the technical field of oral system disease diagnosis, in particular to an oral system onset risk prediction method and system. By combining the five groups of indexes, early evaluation can be effectively performed on the oral cancer, score data reflecting the oral cancer can be obtained, and the grade of the oral cancer and the corresponding deterioration degree can be more intuitively determined through the score data. Compared with an existing method, the method has the advantages that the evaluation result of the patient can be accurately obtained based on a non-needle biopsy means, and the accuracy of the evaluation result is high based on multiple types of indexes.

A syringe driving system which may be associated to a hypodermic syringe to perform a needle biopsy and / or an injection. The system includes a remote actuator operatively connected to a handheld body through a Bowden cable, wherein the handheld body includes: a core and a cover to shield the core, the cover includes a distal opening to receive a barrel of a syringe; wherein the core has a movable portion to secure a plunger of the syringe and a fixed portion. An actuator for a syringe driving system is also provided.

The invention provides needle biopsy equipment for the liver department, and belongs to the field of inspection equipment. Comprising a mounting plate and a master control module. The mounting plate is arranged in a [shape, a main control module is mounted on the outer side wall of the mounting plate, a fixing and locking assembly is arranged in the mounting plate, a connecting plate is arranged on the upper side of the mounting plate, the connecting plate is arranged in an L shape and movably connected with two mounting shells, displacement adjusting assemblies are arranged on the mounting shells, and the displacement adjusting assemblies are movably connected with the mounting shells. And one side of the mounting shell on the upper side is fixedly connected with a fixing ring, and a spherical shell is assembled in the fixing ring. By arranging the displacement adjusting assembly and the angle driving assembly, through driving of a first motor and a second motor, a puncture needle can be rapidly adjusted to the designated position of the body of a patient, and by controlling third motors at different positions, the rotating position of a spherical shell can be adjusted by a driving wheel; therefore, the puncture needle can be accurately adjusted to a specified angle, and the puncture precision is improved.

The invention provides a same-layer registration method for an MR cross section diagram and a total tumor pathological section based on 3D printing. The same-layer registration method comprises the steps of obtaining an MR image, extracting an interested volume, designing a 3D printing mold matched with a focus in shape and assisting registration of a pathological section and the MR image. MR image layering thickness information is embedded into mold design, the thickness of a mold section is consistent with the thickness of an MR scanning layer, and direction information is marked in a mold to ensure spatial alignment of a pathological section and an MR image. The manufactured pathological section is accurately matched with an MR cross section diagram through a non-rigid image registration algorithm, and layer-by-layer comparative analysis of a tumor image and pathology is achieved. The whole tumor area can be covered, and registration errors caused by needle biopsy limitation, tissue deformation and resolution difference in the prior art are overcome. The method is high in applicability and can be used for image-pathology conjoint analysis of various types of tumors, the registration precision is remarkably improved, the error is controlled within 0.1 mm, and important support is provided for tumor research and accurate diagnosis.

The utility model discloses a coaxial puncture needle which comprises an outer tube and an inner core needle, a clamping cap is arranged at the rear end of the inner core needle, a clamping head is arranged at the rear end of the outer tube, the clamping cap and the clamping head can be connected in a clamped mode, the inner core needle is arranged in the outer tube in a penetrating mode from back to front till the clamping head and the clamping cap are connected in a clamped mode, and at the moment, the head of the front end of the inner core needle extends out of the front end of the outer tube. The head of the front end of the inner core needle is composed of a needle tip section and a spin locking section located behind the needle tip section, the taper angle of the needle tip section is 9-15 degrees, and external threads are arranged on the side wall of the spin locking section. According to the coaxial puncture needle, due to the facts that the tip end of the head of the front end of the inner core needle is arranged to be in a pointed cone shape, the side face of the spin locking section is provided with the external threads, and the edge of the front end opening of the outer tube is machined into the cutting edge, the probability that a focus is pushed and disengaged from the needle point is reduced, and the success rate of needle biopsy is increased.

The invention provides a kidney needle biopsy quantitative teaching evaluation system and method based on mixed reality, and the system comprises a virtual-real space registration unit which is used for building the space mapping between a virtual kidney model containing a renal cortex layered anatomical structure and a simulation entity training model body, and completing the space registration of the virtual model and the entity model body; the operation data acquisition module is used for acquiring three-dimensional motion trail data of the puncture needle in the puncture operation process; according to the quantitative scoring module, the multi-dimensional weighted scoring model takes the cortical ratio as a core evaluation index, and the scoring dimension corresponding to the cortical ratio has the highest weight in the model; the quantitative scoring module calculates a cortical ratio based on the acquired three-dimensional motion trail data, and outputs an operation quantitative score through a multi-dimensional weighted scoring model; and the closed-loop verification unit is used for acquiring a real puncture result on the simulation entity training die body and comparing the real puncture result with the puncture track subjected to virtual calculation so as to calibrate the operation quantitative score.

The invention provides a short-needle-point rotary-cut type thick needle biopsy device which comprises a needle head structure, the needle head structure comprises an outer needle tube, a rotary-cut structure is rotatably connected in the outer needle tube, the rotary-cut structure comprises an inner needle tube, and the inner needle tube is rotatably arranged in the outer needle tube; an assembling structure is arranged at the top end of the needle head structure, a pneumatic structure is arranged in the assembling structure, the bottom end of the pneumatic structure is embedded into the inner needle tube, the pneumatic structure comprises a sealing cover, and an exhaust mechanism is fixedly installed in the middle of the sealing cover. By shortening the length of the tip of the needle core, the risk that the needle tip mistakenly enters adjacent important organs is remarkably reduced, a new sampling mechanism is adopted, displacement errors caused by forward pushing of the needle in traditional biopsy are avoided, uniform and continuous tissue cutting can be achieved, it is ensured that the obtained specimen is complete in shape, pathological diagnosis is facilitated, and the clinical application prospect is wide. Rapid sampling of tissues in areas difficult to operate and separate is ensured, so that puncture can be carried out in lesion areas closer to important structures, and the application range of the CNB technology is expanded.

The invention, which belongs to the technical field of the teaching system, discloses an interactive needle biopsy teaching system comprising a teaching unit, an assessment unit, a VR unit and a puncture operation unit. The teaching unit is in communication connection with the assessment unit, the VR unit and the puncture operation unit; the teaching unit is used for login of a user, storage of multiple VR teaching materials, selection of the VR teaching materials of the user and storage of a teaching progress; each VR teaching material is matched with a puncture model; the puncture operation unit is used for simulating puncture biopsy operation; the assessment unit is used for checking puncture assessment by a user and assessing simulated puncture biopsy operation; the VR unit is used for playing VR teaching materials and collecting real-time image data of simulated needle biopsy operation. Through the above mode, the user can carry out immersive learning and operation simulation on the VR teaching materials based on the VR unit.

The invention provides a coaxial puncture needle beneficial to implantation of gelatin sponge, which comprises a needle tube assembly and a needle rod assembly, and the needle rod assembly is nested in the needle tube assembly; the needle tube assembly comprises a needle tube body and a needle base, the needle base and the needle tube body are arranged in a sleeved mode, and the needle rod assembly penetrates into the needle base and the needle tube body. A horn mouth is formed in the end, away from the needle tube body, of the needle base and used for the needle rod assembly to plug the gelatin sponge into the needle tube body. A visible window is formed in the connecting portion of the needle tube body and the needle base. The needle has the advantages that the flat-head needle rod is additionally arranged on the basis of an original pointed-head needle rod, gelatin sponge is conveniently stuffed into the coaxial needle through the flat-head needle rod, the aim of stopping bleeding rapidly, conveniently and effectively is achieved, and the most common complication bleeding in needle biopsy is greatly reduced.

An inner core is telescopically arranged in a needle tube, one end of the needle tube is concentrically fixed to a sleeve through a Luer taper, a needle head is arranged at the other end of the needle tube, the rear section of the needle tube is sleeved with a boosting tube, the front section of the needle tube is sleeved with a sheath tube, and the needle head extends out of the sheath tube. The sheath tube is arranged at the front end of the core rod through the end socket fixing seat, the front section of the core rod is sleeved with an adjusting cylinder in a sliding mode, the rear section of the core rod is sleeved with the sleeve in a sliding mode, an adjusting ring is arranged between the adjusting cylinder and the sleeve, a first adjusting screw is arranged between the adjusting ring and the core rod, and a second adjusting screw is arranged on the side portion of the adjusting cylinder. The ultrasonic needle biopsy needle is convenient to use, wider in applicability and capable of effectively improving the sampling effect.

The utility model discloses a positioning device for improving the coincidence rate of breast ultrasound and molybdenum target diagnosis, which comprises a silica gel pad and a plurality of developing lines, and knots with different numbers or different shapes are arranged on the developing lines with the same shape; and each developing line is fixedly arranged inside or on the surface of the silica gel pad. The device is simple in structure, low in production and manufacturing cost and convenient to operate; by utilizing the characteristic that the developing line can develop in both the molybdenum target and the ultrasonic detection, the developing line can be used for accurately calibrating the focus position detected by the molybdenum target, and the focus position calibrated in the molybdenum target detection can be directly subjected to ultrasonic detection in the ultrasonic detection, so that accurate positioning is provided for further real-time ultrasonic needle biopsy; and the coincidence rate of ultrasound and molybdenum target diagnosis is greatly improved.

The utility model discloses an aspiration biopsy needle which comprises a handle, a biopsy needle head and an ultrasonic probe, and an assembly hole channel is formed in the handle. The biopsy needle head is connected with the handle and is inserted into the assembling hole channel; a central hole channel is formed in the biopsy needle in the axial direction; the central hole channel is communicated with the assembly hole channel to form a sampling channel; the ultrasonic probe is detachably arranged in the sampling channel and is used for extending to the front of the biopsy needle so as to observe the position to be sampled. By inserting the ultrasonic probe into the biopsy needle head for observation, the positioning precision of a position to be sampled can be improved, so that after the ultrasonic probe is taken out, accurate sampling can be performed, the sampling precision of the needle biopsy needle is improved, the sampling frequency is reduced, the assembly damage is reduced, and the safety of an operation is improved.

The invention relates to the technical field of medical instruments, in particular to an aspiration biopsy needle for tumor tissue, a guide frame comprises a guide disc, U-shaped side guide plates are fixedly connected to the outer wall of the guide disc in an annular array mode, and columnar vertical connecting rods are fixedly connected to the bottom of the guide disc in an annular array mode; by arranging the guide frame and the positioning piece, precise positioning and stable fixing of the tumor tissue needle biopsy needle are achieved, through cooperation of the guide frame and the vacuum adsorption block, the whole device can be quickly and firmly positioned at the part, needing to be punctured, of a patient, a stable foundation is provided for subsequent operation, and the operation efficiency is improved. An electric push rod pushes a rotating block to move downwards to drive a series of linkage structures, so that a clamping block can be flexibly adjusted and accurately fixed according to the position of a puncture needle sliding tube, it is ensured that the puncture needle cannot deviate in the insertion process, and the puncture accuracy and success rate are greatly improved; and extra pain and risk brought to a patient due to inaccurate puncture are effectively reduced.

The invention provides a basilar membrane lesion analysis method and device for a renal needle biopsy transmission electron microscope image and a readable storage medium, and provides a new method based on RADS-Net, and end-to-end automation from segmentation to thickness measurement is realized in combination with Transform and CNN. Comprising the steps of data preprocessing, segmentation, segmentation result optimization and key area screening, thickness calculation, data storage, result output and the like, and detailed elaboration is conducted on specific methods and algorithms of all the steps. The method can effectively improve the analysis efficiency, the segmentation accuracy and the reliability of pathological diagnosis, and has a wide application prospect.

The present application provides a magnetic multi-needle biopsy capsule robot and its control method. The capsule robot includes a capsule shell, each end of the capsule shell is provided with an end perforation, a side perforation is provided on one side of the middle portion, and the interior of the capsule shell is divided into a left chamber, a middle chamber, and a right chamber; the middle chamber is provided with: a first biopsy needle; a first permanent magnet, the first permanent magnet is configured to drive the first biopsy needle to extend from the side perforation under the drive of an external magnetic field; a reset mechanism is configured to drive the first biopsy needle to reset; the left chamber and the right chamber are both provided with: a second biopsy needle; a second permanent magnet, the second permanent magnet is configured to drive the second biopsy needle to rotate and extend from the adjacent end perforation under the drive of an external rotating magnetic field; a spiral structure is configured to achieve the movement of the second permanent magnet along its axis when the second permanent magnet rotates about its central axis. The present application can obtain tissue samples from multiple locations in a single examination, thereby improving the comprehensiveness of the biopsy and the accuracy of the diagnosis.

The invention discloses a renal puncture biopsy gun for avoiding empty suction, comprising a first shell, a second shell, a puncture biopsy needle, a sleeve, a first ejection assembly, a second ejection assembly, an adjustment assembly and a fixing assembly. The first shell and the second shell are both symmetrically provided with semicircular grooves on one end side walls. The invention can realize that the first and second push blocks successively cause collision and limit between the slider during puncture by adding the first ejection assembly, the second ejection assembly and the adjustment assembly, thereby avoiding that the puncture biopsy needle and the sleeve ejection point are too long to cause penetrating empty suction, and reducing the risk of puncture bleeding. By adjusting the distance between the slider and the first and second push blocks, the distance between the puncture biopsy needle and the sleeve can be adjusted and controlled, thereby effectively improving the safety of puncture sampling, reducing the operating difficulty of medical staff, and improving the convenience and accuracy of medical staff when performing renal biopsy puncture on patients.

An inner core is telescopically arranged in a needle tube, one end of the needle tube is concentrically fixed with a sleeve through a Luer taper, a needle head is arranged at the other end of the needle tube, a boosting tube is sleeved outside the rear section of the needle tube, a sheath tube is sleeved outside the front section of the needle tube, and the needle head extends to the outside of the sheath tube. The sheath tube is arranged at the front end of the core rod through the end socket fixing seat, the front section of the core rod is sleeved with an adjusting cylinder in a sliding mode, the rear section of the core rod is sleeved with the sleeve in a sliding mode, an adjusting ring is arranged between the adjusting cylinder and the sleeve, a first adjusting screw is arranged between the adjusting ring and the core rod, and a second adjusting screw is arranged on the side portion of the adjusting cylinder. The ultrasonic needle biopsy needle is convenient to use, wider in applicability and capable of effectively improving the sampling effect.

The utility model relates to the technical field of needle biopsy auxiliary tools, in particular to a high-comfort-degree needle biopsy body position fixing suit which comprises a supporting plate, an anti-skid pad is installed on the top of the supporting plate, a headrest block is arranged on one side of the anti-skid pad, a breathing opening is formed in the surface of the headrest block, upper arm cuffs are arranged on the two sides of the anti-skid pad, and a lower arm cuff is arranged on the other side of the anti-skid pad. The upper arm cuffs are connected and fixed through a binding band, the upper arm cuffs are of a cylindrical structure, and an elastic band is installed at an opening of the upper arm cuffs. According to the high-comfort-degree needle biopsy body position fixing set, the non-slip mat is installed at the top of the supporting plate, a soft and stable supporting surface is provided, compression of the hard supporting plate on the skin of a patient is reduced, and pressing pain or skin injury is effectively prevented. The 10-degree inclined design of the headrest block conforms to the human engineering principle, provides good support for the neck of the patient, and relieves neck discomfort. Due to the design of the cylindrical structure and the elastic band of the upper arm cuff, the arm of the patient can be firmly fixed, blood circulation of the arm is guaranteed, and discomfort is reduced.

The invention relates to the technical field of ultrasonic guidance, and particularly discloses an ultrasonic intervention device for assisting needle biopsy, which comprises an ultrasonic probe, and a puncture frame is arranged on the outer surface of one side of the ultrasonic probe; the number of the transverse supports is two, the number of the longitudinal supports is two, the transverse supports and the longitudinal supports correspond to each other in a pairwise mode, the ultrasonic probes are fixed in the transverse supports and the longitudinal supports, the ultrasonic probes of different sizes can be fixed, and the universality of the puncture support composed of the transverse supports and the longitudinal supports is improved; the transverse support uses the connecting plate as a center and controls the two longitudinal supports at the same time, and the two longitudinal supports drive the two longitudinal supports to synchronously move towards the connecting plate or synchronously move away from the connecting plate under the action of the toothed plate and the rotating gear during adjustment, so that it is guaranteed that the puncture frame is always located in the center of the connecting plate; the rotating gear and the telescopic block are connected through the coil spring, the elastic force generated by the coil spring can be changed by rotating the telescopic block, and the fixing strength of the ultrasonic probe is increased within the elastic limit of the coil spring.

The invention provides a magnetic multi-needle biopsy capsule robot and a control method thereof. The capsule robot comprises a capsule shell, end penetrating holes are formed in the two ends of the capsule shell, a side penetrating hole is formed in one side of the middle of the capsule shell, and the interior of the capsule shell is divided into a left chamber, a middle chamber and a right chamber; a first biopsy needle and a second biopsy needle are arranged in the middle chamber; the first permanent magnet is configured to drive the first biopsy needle to extend out of the side through hole under the driving of an external magnetic field; the resetting mechanism is configured to drive the first biopsy needle to reset; a second biopsy needle is arranged in each of the left chamber and the right chamber; the second permanent magnet is configured to drive the second biopsy needle to rotationally extend out of the adjacent end penetrating hole under the driving of an external rotating magnetic field; the spiral structure is configured to enable the second permanent magnet to move along the axis when the second permanent magnet rotates around the central axis of the spiral structure. According to the invention, the needle can be withdrawn from a plurality of parts in a single examination to obtain tissue samples, so that the comprehensiveness of biopsy and the accuracy of diagnosis are improved.

The present application relates to the technical field of needle sampling device, and particularly relates to an ultrasound-guided puncture needle sampling device, which comprises a needle tube, a sliding cavity is formed in the needle tube, a sampling cavity is formed in the outer wall of the distal end of the needle tube and communicates with the sliding cavity, and the sampling cavity is used for allowing the tissue to be sampled to enter after puncture positioning; a sampling assembly comprises a cutting head, a piston plate, an inner sliding rod and an outer sliding sleeve, the cutting head is sealingly and slidably arranged in the sliding cavity and can move along the axial direction of the needle tube and rotate around the axis of the needle tube. Through cooperation of the needle tube, the sampling cavity, the cutting head, the piston plate, the inner sliding rod, the outer sliding sleeve and the driving assembly, after one-time puncture positioning is completed under the ultrasound guidance, the tissue to be sampled can first enter the sampling cavity, then the cutting head moves forward and rotates to cut in the sliding cavity, and the cut tissue sample can be sucked into the cutting head through the negative pressure formed by the backward movement of the piston plate, so that the number of repeated puncture sampling is reduced.

A tilted needle biopsy assembly is provided for mounting on an x-ray system. Because the biopsy needle is angled relative to at least one of the detector and the x-ray source, x-ray imaging may be performed during the biopsy procedure without interference by the biopsy device. The angled biopsy needle additionally allows improved access to the axilla and chest wall of the patient. The stereotactic biopsy device of the present invention may be coupled to any x-ray system, whether upright or prone, including but not limited to mammography systems, tomosynthesis systems, and combination mammography / tomosynthesis systems. The system flexibly supports the use of any mode of image capture (i.e., scout, two dimensional mammogram, three-dimensional reconstructed volume) for either or both target visualization and target localization. With such an arrangement, a needle biopsy assembly having improved patient coverage is provided for use with a variety of different x-ray imaging platforms.

The utility model relates to the field of animal disease examination, in particular to a needle biopsy tool for animal disease examination. The existing needle biopsy tool has the problems that the operation is not convenient enough, and the biopsy result is inaccurate due to the shaking of a puncture needle in an animal body. The utility model discloses a needle biopsy tool for animal disease examination. The needle biopsy tool comprises a fixed table and the like, four straight grooves are formed in the fixing table, fixing rods are placed in the four straight grooves of the fixing table, and the lower portions of the four fixing rods are connected with nuts through threads. The medical staff screws the threaded rod, the threaded rod moves to limit the first universal ball, and the first universal ball can limit the guide rod, the puncture needle and the needle tube, so that shaking generated after the puncture needle is inserted into an animal body is reduced, and damage to the biopsy animal is reduced.