61 results about "Aspiration 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 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 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.

The utility model provides an endoscope puncture needle with biopsy and ablation functions. The endoscope puncture needle comprises an operation main body, a biopsy needle, a catheter mechanism and a forceps channel fixer, the operation body comprises a limiting handle and a pushing rod, the limiting handle is provided with a first end and a second end which are opposite, one end of the pushing rod movably penetrates through the limiting handle through the first end, and the other end of the pushing rod is provided with a connecting part used for being externally connected with a negative pressure device or an electrode device; a needle inserting depth limiting mechanism matched with the push rod is arranged in the limiting handle, one end of the catheter mechanism is arranged in the limiting handle in a penetrating mode through a second end and communicated with the push rod, and the other end of the catheter mechanism is communicated with the biopsy needle; the forceps channel fixator is movably arranged on the catheter mechanism in a sleeving mode and used for fixing the catheter mechanism and a forceps channel opening of the endoscope. According to the utility model, the problem that the risk of postoperative complications of a patient is increased due to the increase of the number of times of puncture because the needle biopsy procedure and the ablation procedure need to be operated separately and punctured for multiple times in the existing medical procedure needing needle biopsy and interventional ablation treatment can be solved.

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 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 present invention relates to the technical field of medical supplies, and in particular to a disposable biopsy needle with multiple ejection strokes, wherein the disposable biopsy needle has a gear adjustment component; the gear adjustment component can be used to adjust the insertion depths of an inner needle and an outer needle, so that the disposable biopsy needle can meet various biopsy operation requirements and has higher versatility; a doctor can perform a more effective, accurate, and appropriate puncture biopsy operation, and obtain desired good lesion tissue without damaging other organs, nerves, blood vessels and other tissues; a more reliable operation is provided to the patient, and the doctor's operation efficiency and biopsy operation quality are effectively improved.

The invention relates to a core biopsy needle (1) for obtaining a tissue sample comprising a hollow outer needle (10) extending along a longitudinal axis (L), and an inner needle (20), which is at least partially arranged or arrangeable within said outer needle along said longitudinal axis (L), wherein said inner needle (20) comprises at least one tissue-holding surface (21), wherein said tissue-holding surface (21) is adapted such that a tissue (3) adheres to the at least one tissue-holding surface (21), when the core biopsy needle (1) is inserted into the tissue (3).

The present invention relates to a combination punch biopsy tool comprising both cutting means cutting a biopsy or sample from a cutaneous or mucosal surface, and a gripping part for catching and safe-handling of the biopsy or sample. In particular, the present invention relates to a punch biopsy tool for providing a skin or mucous membrane or tissue sample (15) comprising a cutting edge (1) and gripping means (2, 2a, 2b) for gripping a biopsy sample, wherein the cutting edge (1) is positioned at a first end of the punch biopsy tool, while the gripping means (2, 2a, 2b) are positioned at a second end of the punch biopsy tool, both the cutting edge (1) and the gripping means (2, 2a, 2b) are secured to a central body.

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.

1. The name of the design product: core wire lock (3) for ultrasound suction biopsy needle. 2. The use of the design product: used for locking the core wire of the ultrasound suction biopsy needle, facilitating the storage of the core wire. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

1. The name of the design product: core wire lock (5) for ultrasound suction biopsy needle. 2. The use of the design product: used for locking the core wire of the ultrasound suction biopsy needle, facilitating the storage of the core wire. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

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.

A punch biopsy apparatus to quickly and simply excise a sample of a chosen size and depth while preserving specimen morphology along with an independently operated mechanism to close the excision site. This design includes a body with a cylindrical needle to create a circular incision around the tissue, an independently rotated blade located within the cylindrical needle for excision at the base of the tissue, a plunger to allow release of the specimen, and a compartment for expulsion of skin glue, or another substance, configured to succinctly close the incision site to close the wound. This configuration allows punch biopsies to be performed efficiently with reduced technical skill, number of surgical instruments, and time required for the procedure.

The utility model relates to a coaxial puncture needle with side hole drainage, which comprises a metal needle sheath and a metal needle core coaxially arranged in the metal needle sheath in a penetrating manner, and further comprises a drainage component sleeved on the metal needle sheath, the metal needle sheath comprises a hollow tube body and a needle sheath needle seat arranged at the tail end of the hollow tube body, and at least one drainage side hole is formed in the side wall of the hollow tube body; the drainage assembly comprises a drainage main pipe arranged on the outer side of the drainage side hole in a sleeving mode and a drainage side pipe communicated with the drainage main pipe. One end of the drainage side tube is correspondingly communicated with the drainage side hole of the metal needle sheath, and the other end of the drainage side tube is communicated with the drainage bottle. Compared with the prior art, the coaxial puncture needle has the advantages that blood accumulation and blockage of the needle sheath caused by bleeding during repeated needle biopsy can be avoided, and meanwhile, the problem of blood drop splashing caused by repeated puncture of the puncture needle can be avoided.

The invention relates to the technical field of medicine, and particularly discloses a liver cirrhosis specific intestinal flora marker composition and application of the liver cirrhosis specific intestinal flora marker composition in noninvasive diagnosis. The intestinal microbial flora is selected from the group consisting of clostridium, Bacteroides, Thalictrum, Wehonor genus, Streptococcus genus, Klebsiella genus, and Prevotella genus; according to the method, a non-invasive solution is provided for screening and diagnosis of liver cirrhosis by detecting a synergistic change mode of specific florae such as clostridium, bacteroides, thickenella, prevotella, Wehonor, streptococcus and klebsiella in an excrement sample; the limitation that traditional liver needle biopsy is invasive and imaging examination is insensitive to early-stage lesions is avoided.

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.

This invention provides a needle for bone and soft tissue tumor biopsy, comprising a needle body, a ring-taking probe, and a pusher. The needle body includes an outer cannula and a core. A channel is formed through the inner part of the outer cannula. The core is inserted into and exits the channel during puncture. The two ends of the outer cannula are a first end and a second end, respectively. The two ends of the core are a third end and a fourth end, respectively. The third end is a needle tip that extends beyond the first end, and the fourth end is used to engage with the second end to form a handle. A depth fixation device is installed on the outer wall of the outer cannula for adsorption onto the tissue surface. The ring-taking probe is inserted into the channel of the outer cannula after the core is removed to extract tissue samples. The distal inner wall surface of the ring-taking probe has a barbed structure. The pusher is inserted into the outer cannula after sample extraction to completely push out any remaining tissue from the outer cannula. This invention can improve the accuracy and comfort of bone and soft tissue tumor biopsy, reduce the sampling failure rate during puncture, and increase the sample volume.

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 present invention provides a real-time ultrasonic percutaneous puncture aspiration biopsy injection device. The improved ultrasonic probe is an ultrasonic-guided percutaneous puncture bone positioning device. The puncture needle is a needle core structure with a triangular pyramid head. The puncture sleeve is sleeved on the main body of the puncture needle, and the tail end of the puncture sleeve has a grip. The outer surface of the puncture sleeve is provided with an external thread. The handle is a sleeve structure with an internal thread matching the external thread of the puncture sleeve, and the handle is screwed on the puncture sleeve through a thread. The other end of the puncture sleeve is introduced through the ultrasonic probe tunnel entrance of the improved ultrasonic probe and led out from the ultrasonic probe tunnel outlet. One end of the handle is clamped at the ultrasonic probe tunnel entrance of the improved ultrasonic probe. This is to solve the problem that when the lesion is adjacent to important nerves, blood vessels or organs, its percutaneous puncture is easy to damage its adjacent important structures and produce serious complications; at the same time, it is difficult to grasp the puncture depth and accurate position. It belongs to the field of medical operation instruments.

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.

The utility model provides a needle biopsy gun capable of synchronous anesthesia, which comprises an emission gun body and a puncture needle body matched with the emission gun body, an anesthetic filling limit tube assembly is arranged outside the puncture needle body, the anesthetic filling limit tube assembly comprises a reducing tube, an air bag is fixedly arranged outside the reducing tube, and the air bag is connected with the emission gun body. An anesthetic liquid filling pipe is fixedly installed in the reducing pipe, and a cavity is formed in the anesthetic liquid filling pipe. Due to the arrangement of the reducing pipe, the air bag, the anesthetic liquid filling pipe, the cavity, the aseptic cotton layer, the sealing layer and the pull rope, anesthetic liquid can be coated on the puncture needle body, the puncture needle body can be guided easily, and the puncture needle body can penetrate through a catheter matched with the puncture needle body conveniently.

The utility model relates to the technical field of medical apparatuses and instruments, and provides an ablation device which comprises an operating mechanism, a needle feeding mechanism, a needle feeding mechanism and an ablation device. A catheter, the proximal end of which is disposed in the operating support body; the hollow ablation needle is movably arranged in the needle inlet tube, the operation supporting body and the catheter in a penetrating mode, the far end of the hollow ablation needle can stretch out of the catheter or retract into the catheter, an axially-through needle passage is formed in the hollow ablation needle, and the hollow ablation needle can conduct ablation operation and needle biopsy and collect biopsy tissue through the needle passage; the hollow ablation needle is detachably connected with the needle inlet tube through the detachable assembly so that the hollow ablation needle can be separated from the operating mechanism and the catheter, and the ablation device has the ablation treatment function and the biopsy function and is simple in structure and convenient to disassemble and assemble.

A kind of skin scale for operation, mainly by the transverse scale plate and longitudinal scale plate connected with each other vertically, is connected with detachable bandage by connecting block.The wire mesh structure with adjustable spacing is arranged between scale plate, including transverse and longitudinal arrangement of metal wire.Scale plate surface is provided with accurate scale, to facilitate direct measurement.Longitudinal metal wire spacing is controlled by screw adjusting mechanism, and transverse metal wire adopts magnetic type sliding fixing device to realize quick positioning.Bandage realizes quick disassembly and assembly by buckle type connector.The present application is manufactured by medical grade material, with good biocompatibility and perspective development nature.The device solves the measurement error problem caused by body position change, skin stretching and other factors in traditional operation positioning, and can provide stable and reliable body surface positioning reference.It has simple structure, convenient operation, and can be widely applied to orthopedic surgery, tumor biopsy and other medical operations requiring accurate body surface positioning.

1. The name of the design product: core wire lock (2) for ultrasound suction biopsy needle. 2. The use of the design product: used for locking the core wire of the ultrasound suction biopsy needle, facilitating the storage of the core wire. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

This utility model relates to a biopsy needle, mainly used for sampling tissue and liquid samples. The biopsy needle includes a handle, a puncture needle, a sampling needle, a spiral sampling head, and a pinch handle. The tip of the puncture needle is equipped with serrated edges, which can effectively cut the tissue, reduce resistance during puncture, and improve puncture efficiency. The spiral sampling head of the sampling needle cuts the tissue by rotation, ensuring sampling accuracy and integrity, avoiding the problems of incomplete sampling or tissue damage in traditional biopsy needle operations. The spiral sampling head is threadedly connected to the needle tube, ensuring the stability and safety of the sampling head during operation. The pinch handle has anti-slip textures on its surface to enhance grip stability and is equipped with a connector for connection to a syringe or tubing for convenient liquid sampling. Furthermore, the graduated ring on the outside of the puncture needle helps the operator accurately control the puncture depth, avoiding accidental injury during operation.

The utility model discloses a bone marrow aspiration biopsy needle in the related technical field of aspiration biopsy needles, which comprises a puncture needle main body and a needle length adjusting nut sleeve, one end of the puncture needle main body is connected with an adjusting screw rod, the outer side of the adjusting screw rod is sleeved with the needle length adjusting nut sleeve, and the needle length adjusting nut sleeve is connected with the puncture needle main body. A locking plane is milled on the outer diameter of the needle length adjusting nut sleeve, and a nut locking jackscrew is installed on the locking plane. The length scale is arranged on the outer side of the adjusting screw rod of the puncture needle, the elongation of the puncture needle can be visually checked through the length scale, it is ensured that the puncture process is in place at a time, and pain is brought to a patient in the puncture process; a needle core locking jackscrew is arranged on the outer side of the needle core fixing end cap, the adjusting nut sleeve and the needle core fixing end cap are locked and fixed through the jackscrew, and the situation that the needle core and the main body rotate relatively in the puncture process, and the puncture process is affected is avoided.

The invention discloses a medical instrument for tumor needle biopsy, and relates to the technical field of medical diagnostic instruments, the medical instrument for tumor needle biopsy comprises a handheld cylinder, and the front end of the handheld cylinder is detachably connected with a catheter through a bolt. In the process of performing tumor needle biopsy operation by using the medical instrument for tumor needle biopsy, when the insertion length of the puncture needle is increased, the force storage effect on the puncture needle is synchronously increased through transmission, so that the puncture needle can normally puncture to a specified position, normal needle biopsy operation is ensured, and on the contrary, the puncture needle can normally puncture to the specified position. When the insertion length of the puncture needle is reduced, the force storage effect on the puncture needle is synchronously reduced through the same transmission principle, so that the damage to peripheral tissues of a puncture position and the disturbance to tumor tissues are further reduced; the force storage effect of the puncture needle in the needle biopsy process can be adaptively adjusted and controlled according to the puncture length of the puncture needle, and the needle biopsy effect is guaranteed.

The invention belongs to the technical field of biomedicine, and relates to a methylation characteristic data detection method and a detection kit. The method comprises the following steps: extracting genome DNA from a tissue sample; performing high-throughput detection on the methylation level of the CpG site in the genome DNA to obtain a detection result; constructing a methylation characteristic analysis model based on the methylation state of the CpG site in the detection result; generating methylation feature data of the tissue sample through the model; the methylation characteristic data is used for detecting a kidney cancer specific DNA methylation marker associated with the abnormal tricarboxylic acid cycle metabolism. Through integration of multi-omics data and strict screening standards, detection of needle biopsy and surgical resection samples is supported, compatibility is high, generation and analysis of methylation data are focused, and disease diagnosis or treatment is avoided.