117 results about "Biopsy device" patented technology

The invention relates to the technical field of medical instruments, in particular to a uterine cavity tissue cutting biopsy device which comprises an outer tube, an inner tube, an inner tube pushing and rebounding mechanism and a negative pressure collecting mechanism, the inner tube pushing and rebounding mechanism and the negative pressure collecting mechanism are connected with the inner tube, the outer tube is provided with a cutting sampling opening, the inner tube is provided with a cutting head, and the inner tube pushing and rebounding mechanism drives the inner tube to axially move back and forth. The negative pressure sampling device further comprises a rotary rebound mechanism which is nested outside the inner pipe, and the inner pipe pushes the rebound mechanism to drive the inner pipe to axially move back and forth and rotate and rebound at the same time, so that the cutting head is driven to rotate and cut back and forth. According to the uterine cavity tissue cutting biopsy device, an external power source is not needed, heat damage can be thoroughly eliminated, sufficient and effective cutting can be achieved without additional driving force and additional operation during use, the integrity of a cut sample can be kept as far as possible, and the uterine cavity tissue cutting biopsy device has the advantages of being free of heat damage, free of noise, free of vibration, convenient to operate and capable of avoiding inaccurate pathological examination.

The utility model relates to an angle adjusting mechanism and a biopsy device. The angle adjustment mechanism includes: a flexible tube; the first pipe comprises a first connecting part and a first pipe section, and the first connecting part is connected to the flexible pipe; the second pipe comprises a second connecting part and a second pipe section, the second pipe section is clamped to the first pipe section in the axial direction, the second pipe section is rotationally connected to the first pipe section, the rotating axis of the second pipe section is parallel to the axial direction, and the second connecting part is used for being connected with an end appliance; the control piece penetrates through the flexible pipe, the first pipe and the second pipe, the far end of the control piece is connected to the end appliance, and the control piece is used for driving the end appliance to deviate from the rotating axis relative to the second pipe. By means of the angle adjusting mechanism, the end appliance can rotate and laterally rotate in a combined mode.

A needle groove plate (5), a puncture support (100) and a biopsy device are disclosed. The puncture support (100) includes a main body (1), a rod (4), and a needle groove plate (5), wherein the main body (1) can be connected to an ultrasonic probe (200) and is provided with a channel (13), and the length of the channel (13) is less than the length of the rod (4); the rod (4) can from a first end thereof go into the channel (13) and slide back and forth in the channel (13) along a first direction, the first direction being parallel to an extending direction of the rod (4); and the needle groove plate (5) is fixed to a second end of the rod (4), and is provided with at least one needle penetration hole (513) parallel to the first direction.

Systems, devices, and methods for intracranial access through vasculature (e.g., the superior sagittal sinus and / or the middle meningeal artery) to deliver devices on or near a brain of a patient. The system includes a catheter and a perforating element for puncturing the dura such that the distal portion of the catheter can be positioned in or near the subdural space. Devices that can be delivered include, for example, brain-computer interfaces (BCI) devices, intracranial pressure monitoring (ICP) devices, biopsy devices, or devices for injection or aspiration of fluid materials.

A biopsy sampler assembly includes a sample notched cannula having a distal end and a proximal end, and a cutting cannula having a sharp edge on the distal end and located within the sample notched cannula. The cutter gear-spindle set drives the cutting sleeve between an open position and a closed position, and the cutting nut receives the cutter gear-spindle set. A vacuum assembly is connected to the cutting sleeve and fluidly coupled to the sample notch sleeve. A vented housing connects the proximal end of the sample notch sleeve to the vacuum assembly, and the sample basket is fluidly coupled to the cutting sleeve. The vent housing further includes a plurality of channels that define a fluid path through the plurality of channels between the sample notch sleeve and the cutting sleeve when the cutting sleeve is in the closed position.

Various components of an interventional therapy assembly are disclosed. One such component is a pointer which may be configured to indicate the disposition of another portion or component of the assembly. A rotary indexing device which may be configured to control or facilitate rotation of other components is also disclosed. Further, various components of an elongate instrument having flexible segments and operative segments are also disclosed. In some embodiments, the elongate instrument may comprise a biopsy assembly and may be used in connection with other components of the disclosed assembly.

A biopsy device includes coaxially disposed inner and outer needles in which the outer needle tip is configured for obtaining a tissue sample. The inner surface of the outer needle includes a tissue retention feature which may include a countersink and / or a feature formed in the inner surface. The device may be introduced to a biopsy site through an introducer in which the introducer is vented and / or a certain ratio of introducer inner diameter and biopsy device outer diameter is maintained.

1. Name of the design product: Graphical user interface for visualized operation guidance of an electronic device. 2. Use of the design product: For an electronic device. 3. Design features of the design product: In the graphical user interface displayed on the electronic device. 4. Picture or photograph best illustrating the design features: Design 1 front view. 5. Design 1 is designated as the base design. 6. Other circumstances which need to be explained: The graphical user interface is used for visualized guidance of the operation of a vacuum assisted biopsy device guided by magnetic resonance imaging. The graphical user interface of design 1 is used to guide the installation of the biopsy device to the control module, wherein the front view guides the coupling of a valve assembly connected to the biopsy device to the control module; once the valve assembly is coupled to the control module, the front view sequentially jumps to interface change state figure 1 and interface change state figure 2; interface change state figure 1 and interface change state figure 2 jointly guide the coupling of the valve assembly to a vacuum tank of the control module; once the valve assembly is coupled to the vacuum tank, interface change state figure 2 jumps to interface change state figure 3; interface change state figure 3 guides the coupling of the biopsy device to the control module. The graphical user interface of design 2 is used to guide the installation of the biopsy device to the control module, wherein the front view guides the coupling of a valve assembly connected to the biopsy device to the control module; once the valve assembly is coupled to the control module, the front view sequentially jumps to interface change state figure 1 and interface change state figure 2; interface change state figure 1 and interface change state figure 2 jointly guide the coupling of the valve assembly to a vacuum tank of the control module; once the valve assembly is coupled to the vacuum tank, interface change state figure 2 jumps to interface change state figure 3; interface change state figure 3 guides the coupling of the biopsy device to the control module.

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 utility model discloses a biopsy sampling power handle and a biopsy device, and relates to the technical field of medical instruments.The biopsy sampling power handle is matched with a biopsy needle, and the biopsy sampling power handle comprises a handle body assembly provided with a containing cavity and an assembly hole communicating the interior and the exterior of the containing cavity; the first electrode penetrates through the assembly hole in a sliding mode, the first electrode is provided with a first end and a second end which are oppositely arranged, the first end faces the interior of the containing cavity, and the second end faces the exterior of the containing cavity and is used for being connected with a first butt joint electrode of the biopsy needle; and the elastic piece is arranged between the first end of the first electrode and the handle body assembly so as to provide elastic force towards the outside of the accommodating cavity for the first electrode. According to the technical scheme, the stability of electric connection between the biopsy sampling power handle and the biopsy needle is improved.

This application relates to a valve body mechanism and a biopsy device, including a main valve, a push valve, a retraction valve, a manifold assembly, and a gas storage assembly. The main valve includes a main valve body, a first air inlet, and a first air outlet. The push valve includes a push valve body, a second air inlet, and a second air outlet. The retraction valve includes a retraction valve body, a third air inlet, and a third air outlet. The manifold assembly includes a first pipe connected to the first air outlet, a second pipe connected to the first pipe and the second air inlet, and a third pipe connected to the first pipe and the third air inlet. By providing a first gas storage bladder on the push valve body and a second gas storage bladder on the retraction valve body, carbon dioxide gas can be stored, increasing the capacity of carbon dioxide gas in the push valve and the retraction valve. This results in secondary pressurization when releasing carbon dioxide gas, increasing the instantaneous impact force of the second and third air outlets, thereby improving the driving force of the biopsy device, ensuring sampling effect, and enabling rapid retraction.

A cryobiopsy device may be comprised of a sampling system forming a handle for a user to hold and a refrigerant system providing a refrigerant to the sampling system from a removable gas canister. The sampling system also includes a refrigerant controller connected to a valve assembly for controlling the flow of refrigerant from the refrigerant system, and a probe assembly cooled by the refrigerant to retrieve tissue samples via cryo-adhesion. The sampling system may further include a position controller to extend and retract a distal tip of the probe assembly based on a desired sample size.

A biopsy system includes a biopsy device, a control module, and a tissue delivery tube. A biopsy device includes a probe, a needle, and a cutter. A needle extends distally from the probe. The cutter is movable relative to the needle to cut one or more tissue samples. A control module is in communication with the biopsy device and includes a sample tray configured to receive one or more tissue samples cut by the cutter. The tissue delivery tube is adapted to be connected between a tissue sample holder and a cutter of a biopsy device. The sample tray has a sampling configuration and an imaging configuration. The sample tray is configured to move between a sampling axis corresponding to the sampling configuration and an imaging axis corresponding to the imaging configuration to receive one or more tissue samples and subsequently image the one or more tissue samples received within the sample tray.

1. Name of the design product: Graphical user interface for visualized operation guidance of an electronic device. 2. Use of the design product: For an electronic device. 3. Design features of the design product: The graphical user interface displayed on the electronic device. 4. Picture or photograph best illustrating the design features: Design 1 front view. 5. Use of the graphical user interface: The graphical user interface is used for visualized guidance of the operation of a stereoscopic or ultrasound guided vacuum assisted biopsy device. The graphical user interface of design 1 is used to guide the installation of a biopsy system, wherein the front view guides the attachment of one of three casings of a biopsy device to a control module of the biopsy system, once the casing is attached to the control module, the front view jumps to interface change state figure 1; interface change state figure 1 guides the coupling of a probe of the biopsy device to the casing, once the probe is coupled to the casing, interface change state figure 1 jumps to interface change state figure 2; interface change state figure 2 guides the coupling of a vacuum control component of the probe to the control module, once the button in the lower part of interface change state figure 2 is clicked, interface change state figure 2 jumps to interface change state figure 3; interface change state figure 3 guides the user to select the preferred control side for the casing, once one of the two arrows of interface change state figure 3 is clicked, interface change state figure 3 jumps to interface change state figure 4; interface change state figure 4 prompts the user to start the biopsy device if desired or to skip the start, once the biopsy device is started or the button in the lower part of interface change state figure 4 is clicked, interface change state figure 4 jumps to interface change state figure 5; interface change state figure 5 prompts the user that the biopsy process can be continued when ready. The graphical user interface of design 2 is used to guide the installation of a biopsy system, wherein the front view guides the attachment of one of three casings of a biopsy device to a control module of the biopsy system, once the casing is attached to the control module, the front view jumps to interface change state figure 1; interface change state figure 1 guides the coupling of a probe of the biopsy device to the casing, once the probe is coupled to the casing, interface change state figure 1 jumps to interface change state figure 2; interface change state figure 2 guides the coupling of a vacuum control component of the probe to the control module, once the button in the lower part of interface change state figure 2 is clicked, interface change state figure 2 jumps to interface change state figure 3; interface change state figure 3 guides the user to select the preferred control side for the casing, once one of the two arrows of interface change state figure 3 is clicked, interface change state figure 3 jumps to interface change state figure 4; interface change state figure 4 prompts the user to start the biopsy device if desired or to skip the start, once the biopsy device is started or the button in the lower part of interface change state figure 4 is clicked, interface change state figure 4 jumps to interface change state figure 5; interface change state figure 5 prompts the user that the biopsy process can be continued when ready. 6. Other remarks: Design 2 claims color.

The invention provides a biopsy instrument for spinal focuses and an operation method of the biopsy instrument. The biopsy instrument comprises a biopsy device body; the reamer is rotationally arranged in the lower end of the biopsy device body and used for cutting and twisting off tissue in the biopsy device body; the first groove is formed in the lower end of the biopsy device body and used for hiding and storing the reamer; the control rod is arranged in the first groove, connected with the reamer and used for driving the reamer to swing to adjust the cutting depth; and the adjusting transmission mechanism is in transmission connection with the control rod and is used for driving the control rod to rotate and adjust. The biopsy device body directly goes deep into a vertebral body to obtain tissues, and can reach a focus part more accurately, so that the sampling accuracy is greatly improved, and a reliable basis is provided for doctors to accurately diagnose illness conditions.

The present application relates to the technical field of medical devices, and particularly relates to a uterine cavity tissue cutting biopsy device facilitating sampling, comprising a cutter body and a negative pressure sampling bottle detachably connected with the cutter body, wherein the sample cut by the cutter body enters the negative pressure sampling bottle based on negative pressure, and the negative pressure sampling bottle is provided with a negative pressure regulator. The uterine cavity tissue cutting biopsy device facilitating sampling can synchronize the cutting and sample collection, and the sampling bottle can be quickly taken down without disconnecting the negative pressure device, and the negative pressure can be quickly drawn when needed, so that the uterine cavity tissue cutting biopsy device facilitating sampling can quickly reach the required negative pressure value, and has the advantages of simple structure, low cost, no noise, no vibration, and convenient operation for doctors.

Provided is a miniature biopsy device for use in a patient. The miniature biopsy device is configured to be operated remotely. store and collect a biopsy sample within the miniature device. Also provided is the related system configured to carry out such an operation. and the related methods for use in biopsies.

The application relates to the field of medical devices and provides a biopsy device suitable for an interventional operating room, which comprises a shell, a first cavity and a second cavity are arranged in the shell, a side wall of the shell is communicated with a side wall of the second cavity through a second channel, the side wall of the shell is communicated with the side wall of the second cavity through two or more first channels, an adsorption mechanism is arranged in the first cavity, a transmission mechanism is arranged in the second cavity, a temporary storage mechanism is arranged in the first channel, and a cutting mechanism is arranged on the shell. The application can conveniently sample multiple biopsy tissues of different parts of the human body, does not need to use a cutting knife, improves the operation efficiency and convenience, temporarily stores different biopsy tissues, prevents the biopsy tissues from falling, and prevents the biopsy tissues from being polluted.

The invention discloses a digestive tract tumor biopsy sampling device convenient for puncture and sampling for medical oncology, which relates to the technical field of tumor biopsy sampling and comprises a biopsy device, a limiting seat and a base. According to the alimentary canal tumor biopsy sampling device convenient to puncture and sample for the medical oncology, tumor tissue can be accurately contained through the sampling groove, fragmentation of a tumor tissue sample is avoided, it is guaranteed that the tissue sample meets the tissue form needed by detection, the sample quality is guaranteed, the outer sleeve needle covers the sampling groove after sampling, the sample can be fixed and cannot fall off, and the sampling efficiency is improved. The tissue is prevented from remaining in the body or being polluted during withdrawing, and meanwhile the risks of bleeding and tissue damage in the puncture process are reduced; enough samples can be obtained through one-time operation, the repeated puncture frequency is reduced, the operation time is shortened, the pain of a patient is relieved, and the operation efficiency is improved; and the modularized puncture needle design allows medical staff to quickly adjust the puncture depth according to individual differences, and the flexibility is high.

A core needle biopsy device includes a needle assembly, a drive assembly, and a tissue sample holder. The needle assembly includes a piercer and a hollow cutter. The piercer includes a sharp distal tip and a notch proximate the distal tip. The piercer is slidably disposed within the cutter to sever a tissue sample into the notch of the piercer. The drive assembly is configured to selectively move the piercer and the cutter. The tissue sample holder has a sample chamber and a spatula. The spatula is movable relative to the piercer and cutter to manipulate the severed tissue sample into the sample chamber.

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.

A cryobiopsy device may be comprised of a sampling system forming a handle for a user to hold and a refrigerant system providing a refrigerant to the sampling system from a removable gas canister. The sampling system also includes a refrigerant controller connected to a valve assembly for controlling the flow of refrigerant from the refrigerant system, and a probe assembly cooled by the refrigerant to retrieve tissue samples via cryo-adhesion. The sampling system may further include a position controller to extend and retract a distal tip of the probe assembly based on a desired sample size.

A core needle biopsy device includes a needle assembly, a cutter drive assembly, a piercer drive assembly and an actuation mechanism. The needle assembly includes a piercer and a hollow cutter. The piercer includes a sharp distal tip and a notch proximal to the distal tip. The piercer is slidably disposed within the cutter to sever a tissue sample into the notch. The cutter drive assembly is configured to move the cutter. The piercer drive assembly is configured to move the piercer. The piercer drive assembly includes a lead screw configured to move both a portion of the cutter drive assembly and a portion of the piercer drive assembly. The actuation mechanism is configured to engage bot the cutter drive assembly and the piercer drive assembly to initiate firing of the piercer and the cutter sequentially using the cut drive assembly and the piercer drive assembly.

The invention is suitable for the technical field of medical instruments, and provides a biopsy device. The biopsy device includes a main housing, a needle hub, a needle core hub, a loading assembly, and a firing mechanism. The needle tube seat is provided with a first matching part, the needle core seat is provided with a second matching part, and the first matching part and the second matching part are arranged in a spaced mode in the second direction. Meanwhile, the loading assembly is further provided with a driving part, during loading, the loading assembly can be driven to move, so that the driving part abuts against one of the first matching part and the second matching part to push the abutted object to execute first loading, and then the loading assembly is driven to move again; and the driving part abuts against the other one of the first matching part and the second matching part to push the abutted object to execute the second chambering. The needle tube seat and the needle core seat can be respectively pushed to the loading position through two-time movement of the loading assembly, so that the loading operation of the whole biopsy device is completed, and the loading operation of the biopsy device is more convenient and faster.

A biopsy apparatus includes a biopsy probe assembly that is releasably attached to a driver assembly. The biopsy probe assembly has a vacuum cannula and a stylet cannula coaxially arranged. The vacuum cannula has a flared portion that extends distally from an elongate portion. The stylet cannula is movable between a first extended position and a first retracted position. The stylet cannula has a distal portion having a sample notch and a protrusion member that extends proximally in a lumen of stylet cannula along a portion of a longitudinal extent of the sample notch, wherein when the stylet cannula is in the first retracted position, the protrusion member is received within the flared portion of the vacuum cannula. The biopsy apparatus may further include a controller circuit that has a virtual energy reservoir, and the controller circuit executes program instructions to control current to motors when engaging dense tissue.

A biopsy device comprising a driver assembly and a biopsy probe assembly having a vacuum sleeve, a cutter sleeve and a stylet sleeve coaxially arranged along a longitudinal axis, the vacuum sleeve being connected in fluid communication with a vacuum source, the stylet sleeve having a proximal portion and a distal portion, the distal portion having a sample recess and a protruding member extending proximally in a lumen of the stylet sleeve along a portion of the longitudinal length of the sample recess, wherein: the stylet sleeve is movable relative to the vacuum sleeve between a first extended position and a first retracted position in accordance with control signals of a controller circuit, the protruding member being received within a flared portion of the vacuum sleeve when the stylet sleeve is in the first retracted position; and the cutter sleeve is movable relative to the stylet sleeve by an electromechanical power source in accordance with control signals of the controller circuit to selectively cover or expose the sample recess.

The invention relates to an electrocoagulation biopsy needle, an electrocoagulation biopsy kit and an electrocoagulation biopsy device.A puncture tube of a puncture assembly of the electrocoagulation biopsy needle is insulated from a puncture head of a cutting assembly, a first electrode is formed on the outer wall of the puncture tube, a second electrode is formed on the outer surface of the puncture head, and a third electrode is formed on a cutting part of the cutting assembly; two of the first electrode, the second electrode and the third electrode are used for being electrically connected with a negative terminal of an energy source, and the other one of the first electrode, the second electrode and the third electrode is used for being electrically connected with a positive terminal of the energy source; according to the electro-coagulation biopsy needle, the electro-coagulation biopsy kit and the electro-coagulation biopsy device, energy can be applied to the puncture assembly or the cutting assembly through the energy source, then hemostasis is conducted on the puncture part located at the puncture head or the cutting part located at the cutting part, and the puncture and cutting blood coagulation loops share one connecting terminal, so that the puncture and cutting blood coagulation loops can be connected with the connecting terminal. The equipment structure is effectively simplified; and the operation convenience is improved.

1. The name of the design product: the guide domain of the visual operation guide graphical user interface of the electronic device. 2. The use of the design product: for running programs, information display, human-computer interaction. 3. The design points of the design product: in the local part of the graphical user interface in the screen. 4. The picture or photo that best indicates the design points: front view. 5. The use of the graphical user interface: the present graphical user interface is used to guide the installation and operation of a biopsy device. 6. Other circumstances that need to be explained: the present application claims the local appearance design of the product, and the part represented by the dashed line in the figure does not form part of the claimed design.

A steerable biopsy device comprises an outer sheath comprising a sheath body having a proximal sheath section and a distal sheath section. The outer sheath further comprises a distal sheath tip and a sheath lumen terminating at a distal port in the distal sheath tip. The biopsy device further comprises a biopsy needle integrated with the sheath body. The biopsy needle is slidably disposed in the sheath lumen. The biopsy needle comprises a needle shaft and a distal needle tip configured for being displaced between a stored position within the sheath lumen and a deployed position outside of the distal port of the distal sheath tip. The biopsy device further comprises an articulation control actuator configured for articulating the distal sheath section, and a needle actuator configured for distally advancing the distal needle tip from the stored position to the deployed position.

The present application is suitable for the field of medical devices, and provides a biopsy device, which comprises a shell, a suction assembly, a pushing assembly and a sensing assembly, the suction assembly comprises a needle tube which is movable in the axial direction, the needle tube is arranged in the shell and the distal end of the needle tube can be extended from the distal end of the shell, and part of the sensing assembly is connected with the pushing assembly and the needle tube, so that the sensing assembly can detect and feedback the pressure received by the needle tube during the process that the pushing assembly drives the needle tube to advance to the target tissue. The biopsy device provided by the present application can detect and feedback the resistance received by the needle tube during the process that the pushing assembly drives the needle tube to advance to the target tissue, and the operator can know the current piercing condition of the needle tube according to the feedback of the sensing assembly, so that the operation precision and safety can be improved.