87 results about "Biopsy forceps" patented technology

The invention relates to the technical field of biopsy picking devices, and particularly discloses a gastrointestinal endoscope biopsy picking device which comprises a flexible outer tube. The fixing base is fixedly connected with the end part of the flexible outer pipe; the number of the clamp flaps is two, and meshing teeth are arranged on the sides, close to each other, of the two clamp flaps; the opening and closing mechanism penetrates through the flexible outer tube and is connected with the two clamp flaps; according to the gastrointestinal endoscope biopsy extraction device, the expansion mechanism expands through the trigger type air bag, so that the root of a deep plica is expanded outwards, a dead angle area which cannot be expanded through conventional air injection is fully exposed, a doctor does not need to manually control an endoscope to push the plica or adjust the angle, semi-blind operation is not needed, missed diagnosis of a hidden focus is avoided, and the operation efficiency is improved. After the plica is unfolded, the clamp flaps can be vertically attached to a focus mucous membrane, the staggered design of the meshing teeth ensures that a tissue sample is firmly fixed, the focus is automatically exposed through the expansion mechanism, the endoscope view is clear, the operation process is simplified, and the sampling failure rate is reduced.

The invention discloses stomach wall tissue biopsy forceps under a laparoscope, and belongs to the technical field of medical instruments. The biopsy forceps aim at solving the problems that existing biopsy forceps are low in sampling efficiency and inconvenient in angle adjustment. The device comprises a fixed pipe and a rotating pipe, a first pull rod is slidably connected into the fixed pipe, a second pull rod is slidably connected into the rotating pipe, an extension column is integrally formed at one end of the second pull rod, a limiting ball is integrally formed at one end of the extension column, and a limiting groove matched with the extension column and the limiting ball is formed in one end of the first pull rod; a connecting part is arranged between the fixed pipe and the rotating pipe and is used for connecting the fixed pipe and the rotating pipe; biopsy forceps are installed at the end, away from the fixed tube, of the rotating tube, and the biopsy forceps and the rotating tube rotate through a connecting part. The driving part is arranged at one end of the fixing tube and used for driving the first pull rod to move, a plurality of samples can be taken through one-time insertion, angle adjustment is flexible, operation is labor-saving, and the device is used for stomach wall tissue sampling under a laparoscope.

The present invention relates to an equipment for magnetic recanalization of benign biliary strictures. The equipment (100) includes a wire-guided magnet pusher tube (102a), atleast one magnet (110), and a magnet retrieval tube (102b). The equipment (100) works in conjunction with a visualization system to guide placement of the magnet (110) at the target site for recanalization of the biliary stricture. The magnet (110), may be deployed at opposing ends of a biliary stricture to create a controlled recanalization channel via magnetic attraction. The deployment process can be performed using endoscopic retrograde cholangiopancreatography (ERCP), percutaneous transhepatic biliary drainage (PTBD), or a combination of both. Magnets may be retrieved following recanalization using biopsy forceps or allowed to pass naturally through the digestive tract, avoiding permanent implantation.

A biopsy forceps device includes a control member, a yoke coupled to the member, and jaws coupled to the yoke. In an open configuration, the jaws are separated to receive target tissue. In a closed configuration, cutting edges of the jaws are moved toward each other to cut tissue. A capsule slidably receives a portion of the jaws and the yoke. When withdrawn proximally to a first position within the capsule, the jaws are constrained to the closed configuration. When the jaws are moved to a second position, portions of the jaws are freed from the constraining capsule and separated. When the yoke and the jaws are moved distally and the jaws are moved to the open configuration, tissue-contacting structures of the yoke extend distally to engage tissue between the jaws to again anchor lateral movement of the engaged tissue as the jaws contact the tissue.

The invention discloses a biopsy forceps assembly for an ERCP endoscope, and belongs to the technical field of biopsy forceps. Comprising biopsy forceps; the biopsy temporary storage disc comprises a transparent shell with an eccentric channel and a rotary disc rotationally installed in the shell, the upper end face of the rotary disc is provided with a plurality of storage grooves and at least one through hole which are located in the same circumference, and a lower port of the eccentric channel is fixed to the working channel; and the hollow locking piece is mounted at the upper port of the eccentric channel and can fix or release the biopsy forceps. The operating rod of the biopsy forceps is clamped and fixed through the hollow locking piece, so that body fluid carried by the forceps head of the biopsy forceps is prevented from dripping and polluting the operating environment, and the pollution risk is reduced; the biopsy tissue is directly stored in the storage groove of the biopsy temporary storage disc under the condition that the forceps head is not separated, so that the forceps can immediately return to the body to carry out secondary biopsy sampling, tedious processes such as extraction, sample placement and reinsertion are not needed, and the efficiency of multiple biopsy sampling is improved.

The utility model discloses a medical instrument which comprises a forceps head assembly, a supporting tube assembly, a power plug and a handle assembly. One end of the forceps head assembly is connected with the far end of the supporting tube assembly, and the near end of the supporting tube assembly is connected with the handle assembly. The handle assembly comprises a first movable handle, a second movable handle and a fixed handle, the first movable handle and the second movable handle are in sliding connection with the fixed handle, and the first movable handle and the second movable handle can slide left and right relative to the fixed handle; the first movable handle is provided with a cavity, and one end of the power plug is arranged in the cavity; the supporting pipe assembly is formed by sleeving a driving rope, a smooth layer, a supporting pipe and an insulating pipe from inside to outside, and the smooth layer is arranged outside the driving rope; the driving rope is used for controlling opening and closing actions of the tong head assembly, and a plurality of threads with unequal screw pitches are arranged on the outer wall of the supporting pipe; the power plug is electrically connected with the tong head assembly through the driving rope. The medical instrument has the functions of biopsy forceps and an electrocoagulator at the same time.

The present disclosure is a biopsy forceps that is insertable into a puncture hole formed by puncturing biological tissue with a needle, including a first forceps piece having a length in one direction and a forceps cup having a recess in which the biological tissue is collectable, and a second forceps piece disposed on an opening side of the recess of the first forceps piece, wherein the first forceps piece is openable and closeable toward a distal end side in a longitudinal direction with respect to the second forceps piece, the forceps cup has a body portion and a distal end portion provided on a distal end side of the body portion in the longitudinal direction, and a length of the distal end portion in a direction perpendicular to the longitudinal direction becomes smaller toward the distal end side.

The application discloses a hysteroscope with a side-entry general instrument guiding system, comprising a mirror body and an outer sheath, the outer sheath is sleeved on the long shaft of the mirror body and can move along the long shaft, the outer sheath is provided with a guiding part, and the guiding part is provided with an open placing groove. The application completely moves the instrument channel from the inside of the hysteroscope to the outside, sets the open placing groove on the outer sheath, and forms a unique "side-entry" guiding structure. The design fundamentally liberates the size limitation of the instrument and the operation freedom, and can be applicable to general instruments such as scissors, grabbing forceps, biopsy forceps, separating forceps, needle holding forceps and the like. When the instrument is guided to a target operation position, the instrument is precisely released and individually retained in the operation area by simply pulling back the outer sheath, so that an unprecedented wide operation space is obtained, and doctors can perform various complex operations with a larger amplitude, a stronger force and a higher flexibility.

The embodiment of the present application provides a detachable biopsy forceps, which comprises a clamp assembly, a linkage assembly and a handle assembly; the handle assembly comprises a first handle and a second handle; the clamp assembly comprises at least two clamps and a connecting assembly, the clamps are connected with the connecting assembly, the connecting assembly is detachably connected with the first handle, the linkage assembly is arranged on the clamp assembly, and the second handle can drive the linkage assembly to move to control the opening or closing of the clamps. The biopsy forceps adopts the linkage assembly to transmit the movement of the handle assembly to the clamps to control the opening and closing of the clamps, the clamps and the linkage assembly are detachably connected with the first handle through the connecting assembly, so that the clamp assembly and the linkage assembly can be removed from the first handle after sampling, the clamp assembly and the linkage assembly are used once, the handle assembly is recycled, hygiene is ensured, and waste is reduced.

The biopsy cap of the gastroscope biopsy opening comprises a cap body, a cap cover is arranged at the upper end of the cap body, the cap cover comprises three layers of circular pads which are tightly overlapped, each circular pad is composed of a plurality of fan-shaped air cushions which are tightly attached, the arc ends of the fan-shaped air cushions are fixedly connected with the cap body, and attaching lines of the three layers of fan-shaped air cushions are evenly distributed on the horizontal plane. The fan-shaped air cushion is a silica gel air cushion and is internally provided with an air cavity. The round cushion is composed of six fan-shaped air cushions which are tightly attached, and the attaching lines of the three layers of fan-shaped air cushions are evenly distributed on the horizontal plane at the included angle of 20 degrees. According to the biopsy cap of the gastroscope biopsy opening, the cap cover comprises three layers of circular pads which are tightly overlapped, and each circular pad is composed of a plurality of fan-shaped air cushions which are tightly attached, so that the biopsy forceps are prevented from leaving a gap in the biopsy opening, the sealing effect is good in the biopsy process, digestive gas and liquid are effectively prevented from being sprayed out, and the biopsy cap is safe, sanitary and convenient to use.

Disclosed are various embodiments of a surgical instrument for colorectal polyp removal. In various embodiment, the surgical instrument has an elongate flexible tubular sheath having a proximal end and a distal end, a snare having a loop and controlled by a pair of wires, and a biopsy forceps having a pair of jaws sized to fit within the loop of the snare. Both the biopsy forceps and the snare are routed through the elongate flexible tubular sheath so that the loop of the snare and the pair of jaws exit the distal end of the elongate flexible tubular sheath.

The invention relates to a bronchoscope matching sampling assembly and an automatic forceps examination system, and relates to the technical field of medical auxiliary instruments, the assembly comprises a forceps examination auxiliary device used for clamping biopsy forceps and driving the biopsy forceps to move to execute tissue sampling action of bronchoscope forceps examination; the front end guide plate is arranged at the foremost end of the clamp inspection auxiliary equipment body or the bearing table and is provided with a first positioning guide hole allowing biopsy forceps to penetrate through, the front side of the front end guide plate is integrated with a closed spray washing cavity, a cavity plate of the spray washing cavity is provided with a second positioning guide hole allowing the biopsy forceps to penetrate through, and the first positioning guide hole and the second positioning guide hole are aligned; a spray-washing head is arranged in the spray-washing cavity, and the liquid outlet direction faces a spray-washing area between the first positioning guide hole and the second positioning guide hole; a liquid collecting container is communicated with the lower part of the spray-washing cavity; the forceps head position detection assembly triggers a control signal when detecting that the forceps head position of the biopsy forceps reaches a spray washing area, stops the traction action of the forceps detection auxiliary equipment on the biopsy forceps, and starts the spray washing action.

The present invention relates to a guide sheath for peripheral bronchial lesion treatment, comprising a side tube for saline infusion, and injects physiological saline, which has been injected for peripheral bronchial dilation and access, through the side tube so that the physiological saline can efficiently reach a peripheral lung lesion as the physiological saline is injected through the side tube without insertion and removal of the guide sheath as in a conventional procedure, such that the precision and efficiency of a bronchoscopy procedure for diagnosing the peripheral lung lesion can be improved. In a conventional procedure, cold physiological saline or epinephrine for hemostasis could be administered after removal of the guide sheath and biopsy forceps, but the side tube of the guide sheath can administer a solution that assists hemostasis immediately after biopsy such that reduced side effects after the procedure and improved safety for the patient can be expected.

The invention discloses a three-handle enteral measurer, which comprises a measuring plate, wherein the measuring plate is provided with a scale area and can be in a plurality of stepless inclined states to be compared with a stripped object for measurement. The handle C drives the measuring plate and the main shaft to enter the outer sleeve, and at the moment, the measuring plate is pulled by the pull rope B to rotate to a vertical folding state to approach the main shaft; when measurement is needed, the pull rope A is pulled, the pull rope B is released, the measuring plate is rotated and unfolded, the measuring plate rotates at the top of the main shaft to present a plurality of stepless inclined states, comparison measurement with a stripped object is achieved, and the problem that a compression spring generating elastic force to drive a flexible ruler is limited by the inner wall of a biopsy forceps channel, and measurement is not accurate is solved. And the flexible rule cannot be controlled to incline to be compared with a stripped object for measurement.

The utility model relates to the technical field of biopsy forceps, and discloses a pair of biopsy forceps convenient to clean, which comprises a pull rod, a movable rod is hinged to the end face of the pull rod, a movable scissor blade is hinged to one end, far away from the pull rod, of the movable rod, and a limiting assembly is arranged outside the pull rod. According to the biopsy forceps convenient to clean, through the arranged limiting assembly, the outer holding barrel is divided into the first half outer holding barrel and the second half outer holding barrel, an inner cavity is completely opened, a cleaning tool can make direct contact with the inner surfaces of the barrels, cleaning dead angles are eliminated, the separated barrel structure is clear at a glance, medical staff can directly observe whether all parts are cleaned in place or not, and the cleaning efficiency is improved. The limiting ring can be gradually supported by the outer wall through the design of the horn mouth, the limiting rod provides additional fixation, it is ensured that all the components are firm and detachable, it is ensured that the first half outer holding barrel and the second half outer holding barrel are firmly combined, and looseness or displacement cannot happen in the using process.

The invention relates to the technical field of medical biopsy instruments, in particular to an endoscopic biopsy device for respiration and critical diseases, which comprises a catheter, a cylindrical sealing piston head is slidably mounted in the catheter, an up-down through vent hole is formed in the sealing piston head, and one end, positioned in vitro, of the catheter is connected with negative pressure; a branch pipe with the tail end sealed is further arranged at the end extending out of the body, a stay wire hole is formed in the center of the sealing piston head, and a stay wire is slidably installed in the stay wire hole. One end of the pull wire extends out of the branch pipe and is provided with a pull ring; one end, far away from the pull ring, of the pull wire is provided with an umbrella-shaped cutting head and a limiting ring; the bottom of the cutting head is provided with a circle of annular cutting edge, the annular cutting edge is located above the sealing piston head, the limiting ring is located below the cutting head, and the distance between the annular cutting edge and the cutting head is larger than the height of the sealing piston head. According to the scheme of combining negative pressure adsorption and mechanical cutting, the tissue sample size larger than that of traditional biopsy forceps can be obtained, and the requirements of pathological examination are effectively met.

The utility model discloses a biopsy forceps pull rod assembling structure which comprises a base, an auxiliary assembling strip is placed on the top of the base, a groove is formed in the top of the auxiliary assembling strip, a long-strip-shaped pull rod is placed in the auxiliary assembling strip through the groove, an upright vertical plate is fixedly installed on one side of the top of the auxiliary assembling strip, and the upright vertical plate is fixedly installed on the other side of the top of the auxiliary assembling strip. A top plate is fixedly mounted on the front face of the vertical plate, a downward pressing assembly is fixedly mounted at the bottom of the top plate through screws, two sliding grooves which are formed side by side are formed in the top of the base, and embedding plates extending into the sliding grooves are fixedly mounted on the two sides of the bottom of the auxiliary assembling strip correspondingly. A limiting assembly is fixedly mounted at the top of the base and located behind the auxiliary assembling strip. According to the limiting assembly, the upper surface of the long-strip-shaped pull rod placed in the groove can be pressed, the limiting purpose is achieved, and in addition, the long-strip-shaped pull rod can be automatically driven to be automatically assembled with the handle placed in the limiting assembly.

The invention relates to the technical field of medical instruments, and discloses colposcope biopsy forceps capable of synchronously sampling at multiple points, the inner wall of a forceps tube is fixedly connected with three adjustable biopsy forceps components, the inner wall of a handle sleeve is fixedly connected with a synchronous opening and closing driving component, and three movable forceps clips are driven by a telescopic bracket to respectively approach to corresponding fixed forceps clips, so that the synchronous opening and closing of the forceps is realized. Synchronous closing of jaws of the three groups of movable forceps holders and the fixed forceps holder is realized, so that a plurality of tissue samples can be obtained from different parts at the same time in single operation, the biopsy sampling efficiency is improved, and the pain and bleeding risk of a patient are prevented from being increased; the fixed forceps holder and the movable forceps holder are independently moved and adjusted to a preset depth, so that more accurate tissue sampling depth adjustment is realized, and the sampling positioning accuracy and the subsequent sample detection accuracy are improved; independent and rapid collection of a plurality of samples is realized, cross contamination of the plurality of samples is avoided, and the reliability of subsequent pathological results is ensured.

The utility model relates to a double -cavity formula vaginal examination appearance, include: monitoring part, spray gun and biopsy forceps three parts. Monitoring part includes support rod and camera device, and support rod has operating end and monitoring end, and is along its axial direction and is designed with the operating channel and wire harness channel who penetrates both ends and is independent of each other, and camera device installs in wire harness channel monitoring end's port position, and spray gun and biopsy forceps are set up in operating channel in activity. The utility model passes through the operating channel and wire harness channel of independent of each other, solves the technical problem that traditional vaginal examination appearance is single and lacks stable support.

The application discloses a geometric consistency and instrument anchoring three-dimensional reconstruction and polyp measurement method of an endoscope. The method first projects monocular image features to a Riemannian manifold space through a geometric consistency perception module, generates a high-fidelity relative depth map by using a manifold-constrained latent diffusion model, and maintains cross-domain structural consistency. Secondly, by using a scale estimation module based on instrument anchoring, biopsy forceps in a field of view are automatically identified and key points are extracted, a PnP solver and a Bayesian regression are used to solve six degrees of freedom of the instrument, and finally, geometric constraint equations are constructed based on the known physical size of the biopsy forceps, a global absolute scale factor is solved, and the relative depth map is converted into a metric three-dimensional point cloud. A few-sample linear calibration mechanism is introduced, and linear deviation caused by domain offset can be eliminated by using a small amount of clinical frames. According to the application, sub-millimeter polyp size measurement can be realized under monocular endoscopy by using conventional surgical instruments without additional hardware.

The vaginal biopsy forceps based on the camera comprise an operator, a biopsy forceps body, a vaginal dilator and a cable, the biopsy forceps body is connected with the operator through the cable, the vaginal dilator is connected to the biopsy forceps body, and a switcher is further arranged on the biopsy forceps body. The clamping part of the biopsy forceps body is bent through the supporting rod, so that a tumor on the inner wall of a cavity-shaped vagina is easy to clamp; the control of the movable ring on the vaginal dilator and the clamping mechanism can be freely switched by rotating a rotating handle on the converter, so that a user can conveniently dilate the vagina, the biopsy forceps body can conveniently enter the vagina, and clamping and sampling are convenient; the cleaning strip can be pushed out of residual tissues between the grasping teeth by moving the extension strip, so that the problem that the traditional biopsy forceps are difficult to clean comprehensively is solved; and through the ring body and the universal joint, the main rod can conveniently stretch in and move at multiple angles, the main rod can be fixed, and errors caused by hand trembling of a doctor are reduced.

The utility model discloses a pair of disposable endoscope biopsy forceps, which belongs to the technical field of biopsy forceps and comprises a biopsy forceps body and a shell movably arranged on the biopsy forceps body, and a liquid cavity is arranged in the shell and used for storing disinfectant; two pieces of aseptic cotton are movably arranged in the shell and used for disinfecting the living forceps body, and the living forceps body movably penetrates through the two pieces of aseptic cotton; the flow control assembly is used for controlling liquid in the liquid cavity to be injected into the aseptic cotton, when the flow control assembly is communicated, the aseptic cotton is attached to the surface of the living forceps body, the flow control assembly comprises a pressing rod movably arranged in the shell, the two pieces of aseptic cotton are symmetrically arranged at the end of the pressing rod, the use safety of the living forceps is effectively guaranteed, and meanwhile the disinfection efficiency of the equipment is improved.

1. The name of the design product: biopsy forceps holder. 2. The use of the design product: for fixing the handle position of biopsy forceps. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The invention relates to a pair of myocardial biopsy forceps, which comprises a sleeve assembly, a catheter, a handle assembly, a transmission part and a negative pressure adsorption assembly, the near end of the catheter is connected with the handle assembly, the far end of the catheter is connected with the sleeve assembly, a rotary cutter is arranged in the sleeve assembly in a sliding mode, and the rotary cutter is a hollow tubular cutter; a transmission part is arranged in the catheter, the near end of the transmission part is connected with the negative pressure adsorption assembly, the far end of the transmission part is connected with the rotary cutter, and the transmission part is used for driving the rotary cutter to stretch out of the sleeve assembly and rotationally cut myocardial tissue; an adsorption tube is arranged in the transmission part, the negative pressure adsorption assembly is communicated with the near end of the adsorption tube, and the far end of the adsorption tube is communicated with an inner cavity of the rotary cutter, so that negative pressure adsorption positioning is carried out on the myocardial tissue before rotary cutting and in the rotary cutting process, and the tissue is kept tensioned. According to the myocardial biopsy forceps, myocardial tissue is positioned and tensioned in advance through the negative pressure adsorption assembly, crossing of passive clamping orientation and active adsorption is achieved, and the problems that in the heart beating environment, biopsy forceps are prone to slipping off, and sampling and positioning are difficult are effectively solved.

The invention relates to the technical field of medical instruments, in particular to biopsy forceps with a flushing function, which comprise a handle, a circular through groove is formed in the handle, a sliding through groove is formed in the handle, an outer tube is fixedly connected to the front end of the handle, a fixing ring is fixedly connected to the other end of the handle, and the fixing ring is fixedly connected to the outer tube. The end, away from the handle, of the outer tube is fixedly connected with a fixing head, the circular through groove is communicated with the outer tube, the handle is provided with a sampling mechanism, the sampling mechanism comprises a water injection assembly, and the water injection assembly comprises a rectangular through groove formed in the handle, so that the problem that in a clinical practical operation scene, a sampling part is often accompanied by secretions, bloodstains or tissue debris residues, and the sampling efficiency is high is solved. The problems that existing sampling forceps do not have a matched flushing function, a sampling area cannot be cleaned in real time, accurate observation and positioning of a diseased region by medical staff are affected, a sample is possibly polluted, and then the accuracy of subsequent pathological diagnosis is affected are solved.

The biopsy forceps comprise a front handle, a sliding seat cavity is formed in the front handle, the sliding seat cavity penetrates through the front handle in the front-back direction, a sliding groove is formed in the side wall of the front handle, an outer tube fixing seat is fixedly arranged at the front end of the sliding seat cavity, an inner tube sliding seat is arranged in the sliding seat cavity, and the inner tube sliding seat is connected with a sliding seat pin. The sliding seat pin extends out of the sliding chute; the rear end of the spring outer tube is fixedly connected with the outer tube fixing seat; the rear end of the spring inner tube penetrates through the spring outer tube and the outer tube fixing seat and then is fixedly connected with the inner tube sliding seat, the front end of the spring inner tube is connected with the tong head, the inhaul cable is arranged in the spring inner tube, the front end of the inhaul cable is connected with the tong head, and the rear end of the inhaul cable is connected with the sliding ring; the front end of the rear handle is fixedly connected with the rear end of the front handle, and the sliding ring is arranged on the rear handle. And a spring inner tube with a thinner end can extend out, so that the endoscope can be bent conveniently.

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

The utility model relates to medical instrument technical field discloses a kind of pullable anal canal for endoscope.The utility model anal canal body has the passage for liquid drainage, while pull line passes through the passage;Passage is close to the inner mouth and is designed with pull line limiting device;Endoscope operation can reach predetermined position by biopsy forceps clamp pull pull line to anal canal;Pull line passes through the passage in limiting device, limiting device and anal canal passage are weakly fixed connection, when receiving strong pulling, it can be separated, and it is convenient to remove pull line from anal canal passage;Anal canal inner mouth is designed hose part, while guaranteeing the support of anal canal, reduce the risk of anal canal front end injury intestinal wall in operation;Anal canal outer mouth plug is weakly fixed connection by plug connecting end and anal canal connecting end, when pulling, it can be separated, convenient operation;The utility model anal canal surface is designed with scale, can accurately observe anal canal depth of insertion, accurately and intuitively observe whether anal canal slips off etc. after operation.

The invention discloses biopsy sampling forceps for lung peripheral nodules, and relates to the technical field of medical instruments. The biopsy sampling forceps for the lung peripheral nodules comprise a sampling forceps main rod, the top of the sampling forceps main rod is in transmission connection with a biopsy clamping forceps head through a rotary driving shaft, the rotary driving shaft is fixedly connected with a sample protection sleeve through a connecting rod mechanism, and guide mechanisms are arranged on the two sides of the bottom of the sample protection sleeve. According to the biopsy sampling forceps for the lung peripheral nodules, by means of an integrated transmission structure of clamping, linkage and wrapping, the defect that a sample is fixed through meshing of a jaw of a traditional biopsy forceps is effectively overcome, after a biopsy clamping forceps head clamping assembly completes sample grabbing, the biopsy clamping forceps head clamping assembly can be used for clamping the sample, and therefore the biopsy sampling forceps can be used for sampling the lung peripheral nodules. And the linked rotating driving shaft rotating component can drive the connecting rod mechanism to drive the sample protection sleeve to slide along the guide mechanism, so that the clamping assembly of the biopsy clamping forceps head and a sample are completely coated.

Disclosed is an endoscopic target structure evaluation system and method, a device, and a storage medium. According to the present invention, problems existing in a visual inspection method and a comparison measurement method with biopsy forceps are effectively solved, so that increasing for accuracy of estimating a lesion size by a doctor is contributed.