45 results about "Puncture Biopsy" patented technology

The invention discloses a tumor risk prediction method and system for assisting prostate needle biopsy decision based on deep learning, and belongs to the technical field of medical artificial intelligence. According to the system, a four-dimensional dynamic fusion and double closed-loop optimization architecture is innovatively constructed, and accurate prediction of prostate cancer risk and intelligent planning of a puncture path are realized through five core modules; a data acquisition module integrates preoperative MRI, intraoperative ultrasound (including SWE and blood flow data), driving gene data and puncture instrument sensing data; the intra-operative real-time multi-modal fusion module adopts a space-time attention Transform network and a CNN-GRU network to realize dynamic feature fusion; the image-genome association modeling module establishes association between a molecular mechanism and an image phenotype through a knowledge graph and a GAT network; the unsupervised field generalization module is combined with a PLDG mechanism and federated learning to improve the cross-center adaptability of the model; and the reinforcement learning real-time navigation module realizes dynamic adjustment of a puncture path based on a PPO algorithm.

The coaxial puncture needle comprises a needle core, a needle sheath and a limiter, the needle core is arranged in the needle sheath in a penetrating mode, the limiter is arranged on the needle sheath in a sleeved mode, the depth of the needle sheath puncturing into the skin is limited through the limiter, an adhesive tape is attached to the periphery of the limiter, and the adhesive tape is attached to the periphery of the limiter. The limiter is attached to the skin through the adhesive tape to prevent the needle sheath from being taken away from the skin, the head end of the needle core is sharp, the tail end of the needle core is provided with a needle core buckle, the tail end of the needle sheath is provided with a needle sheath buckle, the needle core is buckled on the needle sheath buckle through the needle core buckle and is connected with the needle sheath, the needle sheath buckle is provided with a lever, and the lever is connected with the needle sheath through the lever. The needle core buckle is bounced by pressing the lever, so that the needle core is bounced out of the needle sheath. Compared with the prior art, the efficiency and the safety of ultrasonic real-time guided needle biopsy are improved.

The application discloses a kidney fibrosis grading method based on deep learning, an electronic device and a storage medium, and belongs to the field of image processing. The method comprises the following steps: scanning a whole slide digital image of a kidney puncture biopsy specimen to be graded after preparing the specimen, and segmenting the whole slide digital image into a plurality of whole slide local slice digital images; inputting the whole slide local slice digital images into a pre-trained grading model to obtain a kidney fibrosis grading result of the kidney puncture biopsy specimen to be graded, wherein the grading model is a two-stage weak supervision learning framework, which is used for screening a plurality of whole slide local slice digital images strongly related to the whole slide digital image in the first stage, and is used for splicing the plurality of whole slide local slice digital images strongly related to each other into one digital image and inputting the digital image into a deep learning convolution classification network to make a decision aggregation. Thus, the artificial intelligence technology and the image processing technology are applied to clinical medical diagnosis, and the problem of inaccurate artificial grading is solved.

The utility model discloses a bone needle biopsy needle, which relates to the technical field of bone needle biopsy and comprises a handle and a groove arranged at the top of the handle, a sleeve penetrating through the handle is arranged at the bottom of the handle, a needle core and a sampling needle matched with the sleeve are inserted in the sleeve, and an inclined cutting edge is arranged at the bottom of the sleeve. Sampling lines are arranged on the inner wall of the sampling needle, the bottom of the needle core extends to the outer side of the sleeve, a polishing surface is arranged at the tail end of the needle core, the bottom of the needle core is an elliptical sphere, the whole sphere is made of metal with the hardness larger than that of a skeleton, and the polishing surface is arranged on the surface of the sphere. The grinding surface at the bottom of the needle core is ensured to have enough contact area with the bone, the grinding surface at the edge can be ensured to be in contact with the inner wall of a through hole when the needle core extending out of the sleeve is in contact with the through hole in the surface of the bone, and if the needle core cannot penetrate through the through hole, the through hole can be ground through the grinding surface at the tail end by rotating the needle core, so that the shape of the through hole is changed.

The utility model discloses a brain tissue needle biopsy device, which relates to the technical field of medical instruments and comprises an arc-shaped mounting frame, a sliding block is arranged on the arc-shaped mounting frame, a support is arranged on the sliding block, limiting grooves which are symmetrically distributed are arranged on the inner side of the support, a movable block is arranged on the support, and the movable block is arranged on the arc-shaped mounting frame. The two ends of the movable block are in sliding connection with the support through the limiting grooves, a threaded rod is arranged on the movable block, the top end of the threaded rod penetrates through the support and is in threaded connection with the support, and a biopsy needle is arranged on the movable block. And deviation of a puncture position and a puncture angle is easy to occur, and the proficiency and the ability of a surgeon are too relied too much.

The invention provides a magnetic control capsule endoscope robot with a puncture biopsy taking function. Comprising a biopsy puncture needle module located at the front end, a capsule shell module, a fixing leg located at the tail end, a waterproof plug, a cam, a height-variable rotating ring device, an internal magnet, a camera module, a positioning pin, a positioning pin, a spring, a rotating table device and an external magnet. A traditional enteroscopy mode is replaced, and the workload of enteroscopy doctors and the pain degree of patient examination are reduced.

The CT-guided needle biopsy body surface calibrator comprises a calibration ruler and a catheter, the calibration ruler comprises two supporting strips which are arranged in parallel and are made of plastic materials, and a plurality of metal rods which are arranged between the two supporting strips at equal intervals; wherein the middle part of one or more metal rods is movably connected with an angle regulator, and the catheter is arranged on the angle regulator and is used for guiding the puncture needle. According to the puncture calibrator, the smoothness and success rate of puncture operation can be improved, the calibrator can be repeatedly used, the equipment cost is lower, and the puncture calibrator is worthy of being vigorously popularized.

The ultrasonic needle biopsy needle comprises a needle body and a needle head, the needle body is of a hollow cylinder structure, an opening groove is formed in the front end of the needle body, a positioning spine and a main blade are arranged at the end of the needle head, the main blade is provided with a first side blade inclining towards the periphery, and the first side blade is provided with a second side blade inclining towards the periphery. The distance between the positioning spine and the needle body is larger than that between the main blade and the needle body, the two circumferential ends of the main blade are each provided with an open groove, the two circumferential ends of the positioning spine and the two circumferential ends of the main blade are connected with the open grooves through slope blades, and therefore a large opening is formed between the two slope blades connected with the open grooves. According to the ultrasonic needle biopsy needle, the main blade is arranged at the end of the needle head, after the positioning spine is used for positioning tissue, the main blade and the slope blades on the two sides of the main blade can completely cut off the tissue, the cutting area occupies more than half of the area of the needle head, and one-time successful cutting can be achieved; and the cut tissue can enter the opening grooves in the two sides, the fixing effect is better, and the tissue is effectively prevented from falling off.

The application relates to the technical field of medical devices, in particular to a skin ultrasound contrast-based axillary sentinel lymph node puncture guiding method. The core of the method is as follows: after injecting an ultrasound contrast agent with a specific particle size through the skin, a preset low-mechanical-index high-frame-rate double-amplitude contrast imaging mode is adopted to dynamically track lymph drainage and sentinel lymph node development, and the enhancement characteristics are recorded; then, under the guidance of multimodal imaging which is fused with real-time contrast, elastic imaging and color Doppler, the target lymph node is accurately punctured and biopsied, and a tissue sample is obtained for pathological analysis. The application realizes integrated operation from sensitive development of the sentinel lymph node, function evaluation to accurate puncture, and provides a non-radiation high-precision puncture guiding method for accurate evaluation of the axillary lymph node state of breast cancer patients before operation.

The invention discloses a visual tumor needle biopsy anti-deviation device which comprises a supporting main frame (1), a sliding assembly (2) arranged on the side portion of an examination bed is arranged at the bottom of the supporting main frame (1), a lifting assembly (3) is arranged in the supporting main frame (1), and a swing mechanism (4) used for positioning a puncture area is arranged at the lifting end of the lifting assembly (3). A straight plate (5) is arranged at the movable end of the swing mechanism (4), a double-angle adjusting assembly (6) used for puncture angle positioning is arranged on the straight plate (5), a long connecting rod (7) is arranged at the movable end of the double-angle adjusting assembly (6), a ring (8) is arranged at the end of the long connecting rod (7), and a detachable puncture positioning rod (9) is arranged in the ring (8). Through cooperative cooperation of the sliding assembly, the lifting assembly and the swing mechanism, rapid positioning and multi-dimensional adaptive adjustment of a puncture area are achieved, the puncture preparation efficiency is improved, and the puncture precision is effectively improved.

The invention discloses a melanoma needle biopsy device, belongs to the technical field of biomedicine, and aims to solve the problems that most of acquired samples are epidermis or superficial dermis tissues, the deep infiltration condition of tumors cannot be completely presented and false negative diagnosis is easy to occur because biopsy forceps realize tissue grabbing only by virtue of occlusion pressure of forceps heads. The melanoma needle biopsy device comprises a biopsy forceps body and a puncture needle cylinder installed at one end of the biopsy forceps body, a fixing base is installed at one end of the biopsy forceps body, a connecting base is arranged in one end of the biopsy forceps body and is in sliding connection with the fixing base, and two forceps heads are elastically and rotationally connected into the fixing base; according to the multi-layer infiltrating device, the connecting resistance of the epidermis, the dermis and the subcutaneous layer can be broken through through the upward traction action of the adsorption disc on the focus tissue, a continuous tissue strip containing the multi-layer infiltrating condition is obtained, and the core requirement of pathological diagnosis for infiltrating depth judgment is met.

The utility model provides a pen-holding type electric rotating solid tumor cytology needle biopsy device. A puncture device comprises a shell, a rotating / front-back telescopic module, a negative pressure module and a puncture needle, wherein the rotating / front-back telescopic module and the negative pressure module are installed in the shell, and the puncture needle is installed at the end of the shell. The rotating / front-back telescopic module comprises a first driving motor, a driving gear, a driven gear, a first end cam and a second end cam, the first end cam and the second end cam can relatively rotate and axially reset, the first driving motor drives the driven gear to rotate, the driving gear is in meshing transmission with the driven gear, and the driven gear is coaxially and slidably connected with the first end cam. The tail portion of the first end face cam is detachably connected with the puncture needle. According to the puncture device, the pulling and inserting actions and the puncture distance in the puncture process can be accurately controlled, automatic or controllable negative pressure is achieved, the experience dependence of the puncture technology of an operator is remarkably reduced, the learning curve of the operator is effectively shortened, the effective rate of sample taking is improved, and the probability of complications possibly generated in the puncture process can be remarkably reduced.

This invention discloses an auxiliary device for bone marrow aspiration biopsy in clinical blood testing, relating to the field of medical device technology. It includes a base with sliding grooves on both sides, a support frame slidably connected within the sliding grooves, a limit sensor mounted on the support frame, a drive motor mounted on the support frame via a motor bracket, and a screw connected to the output end of the drive motor via a coupling; and a positioning component. Through its designed positioning component, during bone marrow aspiration biopsy, when the drive motor drives the screw to precisely raise and lower the sliding block to the target height, the positioning component is synergistically adjusted by an angle adjustment rod and a lifting support rod, thereby precisely aligning the puncture target point marked by the laser emitter with the guide hole. This ensures that the infrared rangefinder and PLC controller can monitor and calibrate in real time during the puncture operation, greatly improving the success rate and safety of clinical punctures.

This invention discloses a method and system for perioperative follow-up management of renal biopsy, relating to the fields of medical information processing and health screening technology. It acquires basic patient information, symptom information, and test report images; performs layout parsing and field recognition on the test reports to generate structured indicator data; performs discrete coding, interval mapping, and classification labeling on multi-source data to construct a set of indicator units; identifies major risk sources through type-based grouping and normalization, threshold screening based on contribution values, and sorting; calculates the total risk score and determines the risk level, generating risk labels; dynamically adjusts monitoring items, behavioral constraints, and medication management content based on risk labels to form an individualized postoperative management plan; simultaneously generates follow-up time nodes based on risk levels and executes reminder scheduling; and combines doctor-patient interaction records to achieve follow-up status tracking and data statistical analysis. This invention achieves closed-loop processing of perioperative risk assessment and follow-up management.

This invention provides a guide frame, method of use, and testing method for breast lesion biopsy, belonging to the field of medical auxiliary device technology. It includes a breast positioning support component and a movable guide component. The breast positioning support component is placed on the scanning bed and has a scale plate with grid markings for stable support of the breast and quantification of lesion coordinates and height. The movable guide component is slidably disposed on the side of the scanning bed and includes a lifting adjustment mechanism, an angle adjustment guide frame, and a puncture guide with guide grooves, enabling multi-degree-of-freedom precise adjustment and locking of the puncture path. This invention is made of magnetically compatible materials, eliminating artifact interference; it achieves millimeter-level precise positioning through three-dimensional quantification of coordinates, height, and angle; it can be used in conjunction with a physical breast model for preoperative simulation, significantly improving the success rate and safety of puncture. The structure is simple and the cost is low, making it suitable for large-scale clinical application.

The invention relates to the technical field of needle biopsy, in particular to a needle biopsy device for bone infection, which comprises a puncture cannula, the puncture cannula is provided with a puncture suite, the puncture suite comprises a puncture guide wire, one end of the puncture guide wire is connected with a puncture needle, and the puncture needle sequentially comprises a needle tip section, a needle body middle section and a needle tail section. The needle tip section is provided with a diamond-like film coating, and the surface of the needle body middle section is provided with a spiral groove; the puncture cannula is further provided with a biopsy sampling suite, the biopsy sampling suite comprises biopsy forceps, a sleeve is fixedly connected to the outer side of the biopsy forceps, and a barrel saw assembly used for rotationally cutting and collecting bone tissue samples is connected to the sleeve in a sliding mode. The strength of the needle point of the puncture needle is strengthened through design, gradient rigidity of the needle body is achieved, integrated sampling of bone tissue and soft tissue is integrated, and the problems of traditional fine needle puncture angle deviation, insufficient sampling amount and channel deformation are solved.

The application discloses a puncture biopsy device and belongs to the technical field of medical devices. In the puncture biopsy device, a positioning assembly is arranged, the relative positions of a first component and a second component can be positioned by the positioning assembly, the first component and the second component can move towards a third component together, a sheath tube is connected with the second component, the sheath tube can move together with the second component, and a puncture needle can be connected with the first component, so that the first component can drive the puncture needle to move when the first component moves, the puncture needle can drive the sheath tube to pass through tissues when the puncture needle punctures, the puncture needle can be withdrawn, and the sheath tube can be left in the tissues, so that subsequent surgical treatment can be performed, and damage to the tissues is reduced.

The utility model discloses a disposable needle biopsy needle, and relates to the technical field of medical instruments. The disposable puncture biopsy needle comprises a lower shell, a compression cavity, a puncture mechanism, a key, a percussion switch and an upper shell, wherein a rear end cover is arranged at the tail end of the lower shell; a sliding way is arranged on the side edge of the compression cavity, the compression cavity is formed in the lower shell, a pressing mechanism is installed in the compression cavity, a variable-pitch spring is connected to the pressing mechanism, the side edge of the pressing mechanism extends into the sliding way, the tail end of the variable-pitch spring extends out of the compression cavity, and the pitch of the variable-pitch spring is gradually increased from the front end of the variable-pitch spring; the puncturing mechanism is arranged in the compression cavity and connected with the pressing mechanism. The key is arranged on the compression cavity and connected with the side edge of the pressing mechanism. The percussion switch is arranged on the lower shell, the tail end of the percussion switch is connected with the tail end of the variable pitch spring, and the tail end of the percussion switch abuts against the rear end cover; the upper shell is connected with the lower shell, and the upper shell is used for protecting the compression cavity, the key and the percussion switch.

Surgical instrument bits mate to a multi-function surgical handle. The surgical instrument bits include an integrated light source, and are disposable or reusable. Surgical instrument bits comprise scalpel blades, skin hooks, retractors, curettes, comedone extractors, forceps, elevators, dissectors, elevators, bone hooks, suture removers, punch biopsy instruments and probes, reflecting devices such as mirrors, trocars and splinter liberators.

The application discloses a habitat image-based radiomics and TDA model for predicting the pathological grading of PDAC based on enhanced CT, relates to the technical field of medical imaging, and comprises a data acquisition and preprocessing module, a habitat segmentation and image-based radiomics feature extraction module, a topological data analysis module and a model construction module; the application breaks through the traditional invasive method of pathological grading which depends on surgery or puncture biopsy, realizes preoperative non-invasive pathological grading diagnosis through analysis of enhanced CT images, and avoids the traumatic and complication risks caused by invasive operation; the application divides tumors into sub-regions with different biological characteristics through habitat analysis, can capture the differences between tumor sub-regions, and, in combination with TDA quantification of topological structure characteristics, more comprehensively represents intratumoral heterogeneity; after the enhanced CT images are acquired, the model can be used to realize pathological grading diagnosis, thereby shortening the diagnosis cycle and being beneficial to doctors to timely formulate individualized precise treatment schemes.

The invention belongs to the technical field of medical robot puncture, and particularly relates to a high-precision medical puncture needle based on a self-sensing sensor and a manufacturing method. Comprising an outer needle, an inner needle is sleeved in the outer needle, and a plurality of groups of distributed fiber grating sensing assemblies are uniformly arranged on the inner needle along the axial direction and are used for shape and position sensing. By arranging the distributed fiber bragg grating sensing assembly on the inner needle, the three-dimensional shape and position change of the puncture needle in the tissue can be sensed in real time, the theoretical sensing precision is smaller than or equal to 0.78 mm, the positioning accuracy of the puncture needle is remarkably improved, the damage risk to the surrounding healthy tissue is reduced, and the puncture needle is particularly suitable for precise puncture biopsy and other scenes; the fiber bragg grating sensing technology is adopted, electric signal transmission is not needed, good anti-electromagnetic interference characteristics are achieved, the fiber bragg grating sensor is suitable for puncture operations in high-intensity magnetic field environments such as MRI, and the problem that a traditional electric sensor loses efficacy under interference of imaging equipment is solved.

The application belongs to the technical field of pathological diagnosis, and discloses an auxiliary device for liver nodule puncture biopsy pathological diagnosis based on artificial intelligence, which comprises a liver nodule case collection module, a diagnosis model construction module, a main control module, a lesion information statistical module, an analysis module, a prediction module, a diagnosis report generation module and a display module. The analysis module compares the logical output value of the liver nodule lesion data to be analyzed with the sensibility curve, calculates and outputs accurate analysis results. Meanwhile, the prediction module uses K nearest neighbor algorithm and Bayesian algorithm to reduce misjudgment caused by insufficient professional experience of liver nodule lesions, and ensures the accuracy and efficiency of disease prediction of liver nodule lesion routine examination. In addition, the HnAIM model obtained by the diagnosis model construction module has high diagnosis accuracy.

The invention provides a CT embedded percutaneous puncture surgical robot which comprises a mainframe box, a system control box, two mechanical arms, a manipulator and an upper computer, the two mechanical arms extend out of the system control box, and supporting points at the far ends of the two mechanical arms are located in a scanning plane of a CT machine; the outer contour of the mainframe box is in a circular arc shape, and the mainframe box is arranged above the interior of a CT hole of a scanning frame of a CT machine through a supporting point at the far end of the mechanical arm. An arc-shaped sliding rail and a sliding block are arranged in the mainframe box; the manipulator comprises a puncture depth controller, a trocar holder, a trocar and a trocar driver; when in use, the trocar is located in a scanning plane of the CT machine. According to the system, early and early lung tumors can be accurately positioned, a doctor can puncture a tumor part with the puncture trocar to obtain a pathological sample while CT is carried out, and the credibility of a puncture biopsy result reaches 100%.

The present application relates to a kind of multi-degree-of-freedom puncture biopsy assisted robot system, belong to medical instrument technical field.The present application provides a kind of multi-degree-of-freedom puncture biopsy assisted robot system, core around " accurate puncture, flexible obstacle avoidance, image coordination " design, by integrating four-degree-of-freedom precision drive mechanism, double-shaft composite posture adjustment mechanism and height-adjustable ultrasonic probe clamping mechanism, the accurate control of all directions to active steering trocar is realized, and the industry pain points such as the limited needle insertion path, insufficient operation precision, image guidance disconnection in deep complex region puncture biopsy are solved, the feasibility, safety and standardization level of puncture biopsy are significantly improved.

The application discloses a stereotactic fixing frame for percutaneous lung biopsy and belongs to the field of medical auxiliary instruments. The fixing frame comprises a horizontal moving mechanism, the lower portion of the horizontal moving mechanism is provided with an angle adjusting mechanism, the two sides of the horizontal moving mechanism are provided with L-shaped supports, the bottom ends of the L-shaped supports are provided with clamping mechanisms, the horizontal moving mechanism comprises a sleeve, the sleeve is located outside the opposite ends of the two L-shaped supports and is in sliding connection with the L-shaped supports, the clamping mechanisms are capable of being quickly connected, can be adapted to the edges of various conventional hospital beds, can be quickly clamped and fixed through screwing operation, can greatly shorten the time consumption of preoperative installation, can improve the clamping friction force in cooperation with anti-skid buffer pads, can completely eliminate the problems of device displacement and shaking during operation, can guarantee the stability of the positioning reference throughout the whole process, can avoid puncture deviation caused by unstable fixation from the root, and can improve the overall operation safety.

The invention relates to the technical field of sample treatment, in particular to a tumor needle biopsy sample rapid treatment and enrichment device which comprises a fixing frame, a culture dish, an enrichment bin and an infusion pump, a flushing mechanism is arranged in the fixing frame, an extrusion device is arranged in the fixing frame, and a flushing assembly is arranged in the fixing frame; the flushing mechanism comprises a plurality of liquid outlet pipes fixedly connected to the top of the outer surface of the fixing frame, a plurality of flexible spray heads are arranged in the liquid outlet pipes, a liquid box is fixedly connected to the top of the outer surface of the fixing frame, the infusion pump is fixedly connected to one side of the outer surface of the liquid box, annular liquid pipes are arranged in the liquid outlet pipes, and the annular liquid pipes are fixedly connected to one side of the outer surface of the liquid box. An infusion tube is arranged in the infusion pump, and the end, away from the infusion pump, of the infusion tube is arranged in the annular liquid tube; the invention aims to provide the rapid treatment and enrichment device for the tumor needle biopsy sample so as to solve the problem that the strength is controlled by the experience of an operator when the sample is extruded.

The invention provides a needle biopsy needle which comprises an inner needle and a detection module, the inner needle comprises a sampling groove, a puncture tip and a head, a mounting groove is formed in the side, opposite to the sampling groove, of the head, the detection module comprises a piezoelectric driving element and a piezoelectric sensing element, and the piezoelectric driving element and the piezoelectric sensing element are both arranged in the mounting groove. In the puncture process of the puncture biopsy needle, the piezoelectric driving element can deform to drive nearby human tissue to deform, and the deformed human tissue can apply pressure to the piezoelectric sensing element to enable the piezoelectric sensing element to generate potential difference. The elasticity modulus of the human tissue around the piezoelectric sensing element can be obtained by detecting the potential difference generated by the piezoelectric sensing element in real time. As the elasticity modulus of healthy human tissues is different from that of lesion human tissues, whether suspicious lesion tissues exist at the puncture position or not can be determined by comparing the elasticity modulus of the tissues obtained at the position with the elasticity modulus measured when normal tissues are punctured, so that whether sampling is carried out at the position or not is determined. According to the design, a real-time elastic modulus detection process can be added before sampling of the needle biopsy needle, so that the frequency of invalid sampling is effectively reduced, and the injury to a patient is reduced.

The invention discloses a self-clotting puncture biopsy needle which comprises a power supply battery, a control unit, a radio frequency unit and a puncture probe, the power supply end of the control unit is electrically connected with the output end of the power supply battery, the input end of the radio frequency unit is electrically connected with the output end of the control unit, and the outer wall of the puncture probe is electrically connected with the output end of the radio frequency unit. The needle handle end of the puncture probe is in transmission connection with the output end of the control unit. Electrical characteristics of different tissues under high frequency can be monitored in real time, so that bleeding and coagulation conditions can be rapidly detected, meanwhile, in the puncture process, through accurate control of radio frequency signals, a puncture needle passage can be rapidly coagulated through low-power radio frequency, self-coagulation of blood vessels is achieved, and therefore the possible bleeding risk is reduced. Meanwhile, excessive radio frequency thermal ablation is not carried out on the tissue, and wound healing is accelerated. And when a biopsy sample is taken, the probe automatically and quickly coagulates blood, and the probe is not stuck.

The invention discloses a needle biopsy gun capable of injecting biological hemostatic glue, comprising: a biopsy assembly, the biopsy assembly comprising a puncture needle for puncturing tissue and an injection joint arranged at the tail of the puncture needle and used for connecting a hemostatic glue injection instrument, the biopsy assembly is provided with a trigger assembly for triggering and stretching out the biopsy assembly, and the trigger assembly is provided with an operation assembly for enabling the trigger assembly to execute a trigger action. The needle biopsy gun capable of injecting the biological hemostatic glue has the advantages of injecting medicine, applying the hemostatic glue, stopping bleeding of a needle passage, reducing the bleeding probability and achieving a better hemostatic effect on the premise that the puncture quality is guaranteed, the diameter of a puncture needle is not increased and the puncture needle does not move.

The utility model discloses a kind of negative pressure suction type puncture biopsy apparatus, it is related to medical instrument field.The biopsy apparatus includes needle tube, needle core and pressure device, pressure device is detachably connected with needle tube, is fixed by clamping limiting portion.It has beneficial effect including improving sample quality, convenient operation and improving diagnostic efficiency.Needle tube has scale outside, bottom and needle core cooperate closely.Handle has antiskid line, connecting port and pressure device connecting pipe are closely adhered through conical structure.Needle core surface is smooth, and needle tube is closely adhered.Pressure device can be balloon expansion pressure pump etc., clamping limiting portion improves the stability of connecting portion.Under image guidance, puncture is operated as needed, and sample is obtained by adjusting negative pressure.The biopsy apparatus overcomes the problem that existing puncture biopsy mode is difficult to balance sample efficiency and tissue protection, and the problem of inconvenient operation, can adapt to different texture tissue, improve sample quality and representativeness, reduce operation difficulty and risk.