393 results about "Biopsy device" patented technology

A multi-sampling biopsy device (1000), a multi-sampling method, and sampling apparatus (2000). The multi-sampling biopsy device (1000) comprises a forceps body mechanism (100), a telescopic member (150), and a guide member (160), wherein the forceps body mechanism (100) comprises a forceps cup (110) and a forceps holder (120), the forceps body mechanism (100) being provided with a collection chamber (130) and a storage chamber (140); the telescopic member (150) is provided with a collection portion (152) and a storage portion (153), and the telescopic member (150) can be driven to move in a reciprocating manner in the collection chamber (130) and the storage chamber (140), so as to make the collection portion (152) collect a tissue (300) and make the storage portion (153) store the tissue (300); and the guide member (160) is configured to guide the telescopic member (150) to move in a reciprocating manner in a proximal or distal direction relative to the forceps body mechanism (100).

For a biopsy guided by contrast-enhanced x-ray imaging, a breast imaging system may image a patient's breast subsequent to injection of contrast agent to locate a site for biopsy and / or position a biopsy device relative to the site. Once a tissue specimen is removed from the site for diagnostic evaluation, a confirmation that the specimen was removed from an intended area of interest for biopsy is performed using the systems and methods described herein. For example, the breast imaging system and / or a separate specimen imaging system may capture high and low energy images of the specimen, subtract the low energy image from the high energy image to generate a subtracted image of the specimen, and determine, based on the subtracted image, that the contrast agent is present within the specimen to confirm the site from which the specimen was removed is the intended site for biopsy.

The biopsy needle comprises a needle assembly, a shell, an inner needle tube seat, an outer needle tube seat and a rotary transmission mechanism, and the needle assembly comprises a needle core, an inner needle tube and an outer needle tube; the shell is provided with a containing cavity, and the needle core is fixedly connected to the shell; the inner needle tube seat is arranged in the containing cavity, the inner needle tube seat can move relative to the shell, the inner needle tube seat is fixedly connected with the inner needle tube, and the needle core is sleeved with the inner needle tube; the outer needle tube seat is arranged in the containing cavity, the outer needle tube seat can move relative to the shell and the inner needle tube seat, the outer needle tube seat is fixedly connected with the outer needle tube, and the inner needle tube is sleeved with the outer needle tube; the rotary transmission mechanism is arranged in the accommodating cavity and can operably rotate relative to the shell; wherein the inner needle tube seat and the outer needle tube seat can be connected with the rotary transmission mechanism after respectively moving for a preset stroke along the axis of the shell to complete sampling and percussion, so that the synchronous rotation of the inner needle tube and the outer needle tube is realized under the driving of the rotary transmission mechanism.

The invention belongs to the technical field of medical instruments, and particularly relates to a negative pressure biopsy needle which comprises an inner needle rod and an outer needle rod, the outer needle rod is coaxially arranged on the outer side of the inner needle rod in a sleeving mode, the inner needle rod is configured to be of a non-through type hollow structure, the two ends of the outer side of the inner needle rod are provided with an adsorption hole and a communicating hole respectively, and the adsorption hole is communicated with the communicating hole. The adsorption holes are communicated with the communicating holes; the outer needle rod is configured to move in the direction away from the handle assembly along the axis of the inner needle rod in a rotating mode in the process that the biopsy device is converted from the to-be-fired state to the fired state. When the launching assembly is converted from a to-be-fired state to a release state, the outer needle rod cuts and samples focus tissue in a rotating mode under the cooperation of the outer needle base and the spiral guide groove, and meanwhile, negative pressure is formed in the first negative pressure channel and the second negative pressure channel at the same time through the negative pressure assembly, and a tissue sample is adsorbed.

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

The invention 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.

A control device of a mammography apparatus is provided. The mammography apparatus includes a biopsy device, an imaging table, and an arm in which a radiation irradiator and a projector are provided on one end portion side and a relative angle between the radiation irradiator and an imaging surface of the imaging table is changeable. The radiation irradiator emits radiation for imaging of a radiation image toward the imaging surface of the imaging table. The control device includes at least one processor that is configured to control the arm such that the relative angle is a predetermined tilt angle in a case where biopsy using a longitudinal puncture is performed by the biopsy device.

A marker delivery assembly for a biopsy device includes an integration module and a marker delivery module. The integration module includes a connector defining a cavity and a neck that extends outwardly from the cavity in a longitudinal direction. A transmission cover having a shaft is disposed about the neck, and further includes a spindle gear and a drum gear. A bevel drum is rotatably coupled to the drum gear and a pushrod is engaged to the bevel drum. The marker delivery module includes a marker housing releasably coupled to the integration module. A marker delivery cartridge engages the marker housing, and is rotatable between an initial position and a delivery position. The pushrod extends through the marker delivery cartridge and forces at least one marker into the biopsy device.

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 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.

One or more example embodiments relates to a medical imaging device for examination of a body part of a patient, in particular a mammography device for examination of the female breast, comprising an imaging unit configured to perform an X-ray-based imaging concerning the body part positioned in a positioning area of the medical imaging device; and a biopsy device comprising a biopsy needle configured to obtain a tissue sample from the body part positioned in the positioning area and a light generating device configured to generate light to reach the positioning area.

The invention belongs to the technical field of biopsy needles, and particularly relates to a negative pressure self-adjusting type electric rotary cutting biopsy needle which comprises a biopsy device and a negative pressure cavity, and the biopsy device comprises a shell, an outer tube, an inner tube, a tool bit, a motor, a gear set and a biopsy drawer; the motor and the biopsy drawer are arranged in the shell, the outer tube is fixedly installed at the left end of the shell, the inner tube is arranged in the outer tube, the tool bit is fixedly connected with the inner tube, the output end of the motor is connected with the inner tube through the gear set, and the inner tube is connected with the interior of the biopsy drawer. The device solves the problems that when a current electric rotary cutting biopsy needle extracts biopsy tissue through a negative pressure pump, due to the fact that the negative pressure pump is poor in sealing and leaks or gas exists in the pump, the pressure is unstable, the operation safety is affected, and due to the fact that automatic negative pressure adjustment is adopted, the pressure numerical value is inaccurate, and the operation safety is affected. And the precision is poor relative to manual control.

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.

The invention discloses a medical tumor biopsy device, relates to the technical field of biopsy sampling equipment, and aims to provide the medical tumor biopsy device which adopts a rotary cutting mode, avoids pop-up tumor penetration and reduces the operation difficulty. A rotary needle tube is arranged in the shell, a fixed needle tube is arranged on the outer side of the rotary needle tube in a sleeving manner, the fixed needle tube is arranged below the shell, a rotary driving assembly connected with the rotary needle tube is arranged in the shell, and a coil spring connected with the interior of the shell is arranged on the rotary needle tube in a sleeving manner. The inner tube body can be driven by the rotary driving assembly to rotate by 180 degrees, so that the chamber of the sampling cavity is aligned with the sampling opening, the tumor tissue enters the sampling cavity at the moment, then the inner tube body rotates by 180 degrees again, the tumor tissue is cut off through the cutter on the side face, and the tumor tissue is sealed in the sampling cavity and the sampling opening at the moment.

A biopsy device includes a body, a needle, a hollow cutter, a tissue sample holder, and a drive mechanism. The needle extends distally from the body and includes a lateral aperture. The cutter is movable relative to the needle to sever a tissue sample and defines a cutter lumen. The tissue sample holder includes a rotatable member and one or more tissue receiving trays. The rotatable member is configured to receive each tissue receiving tray of the one or more tissue receiving trays. The rotatable member is further configured to rotate relative to the cutter to index each tissue receiving tray relative to the cutter. The drive mechanism includes a drive screw. The drive screw is configured to drive both rotation and translation of the rotatable member.

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 device comprises a cannula having a first end, a second end, and a channel between the first end and the second end; an imaging probe couplable to the first end of the cannula, where the imaging probe includes: a transducer, and a reflective surface; and a biopsy device coupled to the cannula, where the biopsy device is configured to collect a tissue sample from an organ of a patient.

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.

The invention relates to an automatic triggering biopsy device which comprises a handle and a hollow catheter, the catheter comprises a near side part and a far side part which are connected, and the near end of the near side part is connected with the handle; the far end of the near side part is connected with the near end of the far side part; the handle comprises a screw rod and a spiral needle, the far end of the screw rod is located in the catheter, and the far end of the screw rod is connected with the spiral needle; a cutting part is arranged at the far end of the catheter, and the catheter can move in the axial direction so that the cutting part can cut target tissue. As the spiral needle can be anchored into the target tissue, the subsequent cutting of the target tissue is facilitated; as the far side part is provided with the cutting part, the cutting part can be used for cutting target tissues.

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.

A core needle biopsy device, including: a needle assembly, the needle assembly including a piercer and a hollow cutter, the piercer including a sharp distal tip and a notch proximal to the distal tip, the piercer being slidably disposed within the cutter to sever a tissue sample into the notch of the piercer; a drive assembly configured to selectively move the piercer and the cutter; and a tissue sample holder including a sample chamber, a fluid source, and a nozzle, the fluid source being configured to eject a liquid or gas from the nozzle and against a portion of the biopsy device to manipulate a severed tissue sample into the sample chamber.

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 relates to the technical field of medical instruments, and particularly discloses a biopsy device handle and a biopsy device.The biopsy device handle at least comprises a shell and a sliding assembly, the sliding assembly comprises an outer needle base, a middle needle base and a percussion elastic part, and the middle needle base is installed in a containing cavity of the outer needle base; the middle needle seat is wider than the outer needle seat body and the outer needle mounting part, and the middle needle seat is shorter than the accommodating cavity; the middle needle base is provided with a first position located on the near-end side and a second position located on the far-end side in the containing cavity. According to the structure, the middle needle base is arranged in the containing cavity of the outer needle base, the connection mode between the middle needle base and the inner needle base is simple and reliable, and compared with the structure mode that a front sliding frame and a rear sliding frame are connected end to end in the prior art, the structure is simpler, machining is easier, the production cost is lower, and the axial size of a sliding assembly is smaller; the overall rigidity of the sliding assembly is better, and the energy loss is smaller in the process that the sliding assembly slides in the shell after being triggered.

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.

A biopsy device includes a body, a needle, a cutter, and a cutter drive assembly. Body includes an outer housing. The needle extends distally from the body. The cutter is configured to rotate and translate relative to the needle. The cutter drive assembly includes a cutter overmold secured to a portion of the cutter. The cutter overmold includes a threaded portion and one or more channels. The threaded portion is configured to drive translation of the cutter. The one or more channels are configured to drive rotation of the cutter. The outer housing defines a resilient member extending inwardly from an inner surface of the outer housing. The resilient member is configured to engage the cutter overmold to apply either a proximally oriented force or a distally oriented force to the cutter overmold.

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.