213 results about "Biopsy forceps" patented technology

A bendable thoracoscope kit with a straight working channel, comprising a hard biopsy forceps (100) and a bendable thoracoscope (200) having a straight working channel. The hard biopsy forceps (100) is provided with a forceps head (101), an elastic guide rod section (102), and a hard guide rod section (103), and the forceps head (101) is connected to a first end of the hard guide rod section (103) by means of the elastic guide rod section (102). An endoscope tube of the thoracoscope (200) comprises a hard tube section (201) and a soft tube section (202), and a rear end of the soft tube section (202) is connected to a front end of the hard tube section (201). The forceps head (101), the elastic guide rod section (102), and the hard guide rod section (103) are movably mounted in the endoscope tube, the elastic guide rod section (102) at least partially coincides with the soft tube section (202), and the soft tube section (202) can synchronously bend along with the elastic guide rod section (102) under the action of a control mechanism, so as to achieve steering of the forceps head (101). The thoracoscope kit improves the diagnosis and treatment efficiency of the bendable thoracoscope (200).

A sliding ring comprises a sliding block and a sliding sleeve, the sliding block is inserted into a sliding hole, the near end of a steel wire is fixedly connected with the sliding block, and the sliding sleeve is arranged on the outer side of a core rod in a sleeving mode; elastic walls are arranged on the two sides of the sliding block, limiting grooves are formed in the two ends of the sliding sleeve, limiting blocks matched with the limiting grooves for limiting are arranged at the ends, opposite to the elastic walls, of the sliding block in a protruding mode, and buckles matched with the limiting grooves for limiting are arranged at the tail ends of the elastic walls in a protruding mode; the limiting pipe is arranged in the core rod, can rotate relative to the core rod, and is limited by the core rod in the moving direction of the steel wire; the near end of the outer tube is fixedly connected with the limiting tube, and the far end of the outer tube is rotatably connected with the forceps head assembly. When a user uses the sampling spoon, one hand pulls the steel wire by controlling the finger ring and the sliding ring to achieve the effect of opening and closing the sampling spoon, the other hand can directly rotate the core rod, so that the steel wire can rotate relative to the finger ring and the outer tube to drive the tong head assembly to rotate, gestures do not need to be replaced in the process, operation is convenient, and sampling is efficient.

The biopsy forceps are characterized in that barbs are arranged at the front end of a tube body assembly, an elastic shifting piece is arranged at the position, corresponding to a traction face, of an operation end, the shifting piece is obliquely arranged relative to a fixing piece, a groove part is formed in the shifting piece and corresponds to the barbs, and the barbs penetrate through the groove part to be connected with traction tissue; the operating end respectively forms a first operating position and a second operating position from front to back, a driving unit is arranged on the second operating position and is used for driving the two gripper arms to be in an open state, the clamp assembly further comprises an elastic unit, the elastic unit is respectively connected with the two gripper arms, and when the gripper arms are located at the first operating position, the elastic unit is connected with the two gripper arms. The elastic unit is used for driving the two gripper arms to get close to each other to be in a clamping state, the handle assembly is connected with the two gripper arms and drives the two gripper arms to move front and back along the tube body assembly, and the tissue can be dragged through the barbs arranged on the traction face, so that the tissue is prevented from falling off or dissociating, and the accuracy of the gripping position of the gripper arms is guaranteed.

The invention discloses a biopsy forceps head assembly and a biopsy forceps. The forceps head assembly includes a forceps head support, a first forceps head, a second forceps head, a limiter, a pulling mechanism and a rivet; the first forceps head and the second forceps head are arranged opposite to each other in a long groove of the forceps head support; the forceps handle of the first forceps head, the forceps handle of the second forceps head and the front end of the pulling mechanism are riveted by a rivet; the pulling mechanism extends backward from the tube cavity of the hollow tube of the forceps head support; a limiter is arranged between the first forceps head and the second forceps head, and the two ends of the limiter are respectively fixed to the first support and the second support of the forceps head support; the pulling mechanism is pushed forward, and the front ends of the first forceps head and the second forceps head are opened under the action of the limiter; the pulling mechanism is pulled backward, and the first forceps head and the second forceps head are closed under the limitation of the forceps head support. The above-mentioned biopsy forceps only push and pull the first forceps head and the second forceps head through the pulling mechanism, and the structure is simple, the assembly is convenient, and a small-sized biopsy forceps can be realized.

The pair of electric rotary biopsy forceps comprises a forceps ring, a core rod, a pull rod and a rotatable forceps head, a control mechanism is arranged in the core rod, and the control mechanism comprises a motor, a fixed cylinder and a control rod; the motor is installed in the core rod and can be driven by the clamp ring to move to a limiting position in the axial direction. The fixed cylinder is installed at the driving end of the motor, a limiting groove is formed in the rear end in the fixed cylinder, and a stop block is arranged at the front end in the fixed cylinder; the control rod is rotatably arranged in the fixing cylinder, a limiting block capable of being inserted into the limiting groove is arranged at the rear end of the control rod, and the front end of the control rod is connected with the inner side of the pull rod and can drive the pull rod to move axially. The fixing cylinder is driven by the motor to rotate, the forceps head can rotate by 360 degrees according to the position where tissue is convenient to cut through relative position movement of the fixing cylinder and the control rod, and control operation of opening and closing of the forceps head can be achieved. And rotation and opening and closing of the tong head are controlled by a motor, so that the sampling efficiency and accuracy are improved.

The invention belongs to the field of medical image processing and endoscope detection, and relates to a method for acquiring information of a polyp under an endoscope based on monocular vision, and the information of the polyp comprises the distance between the polyp and a lens of the endoscope. The acquisition method comprises the following steps: acquiring an in-vivo endoscope image when the biopsy forceps extend out of an endoscope channel, the forceps body is straight, the jaw is closed and the jaw abuts against a polyp, and then converting the in-vivo endoscope image into an aerial view B; finally, the pixel length of the biopsy forceps body in the aerial view B is obtained and substituted into the mapping model to obtain the physical length of the biopsy forceps body in the aerial view B, and the sum of the physical length of the biopsy forceps body in the aerial view B and the physical length of the biopsy forceps head serves as the distance between the polyp and the lens of the endoscope. According to the method, a high-precision pixel-physical space mapping model is established, measurement errors caused by image distortion, view angle variation and shielding interference are effectively overcome, and a polyp size measurement result has millimeter-level precision and good repeatability.

The present invention provides a flexible biopsy forceps with a hollow channel for real-time biopsy of lung lesions, comprising an insertion portion having a hollow channel capable of accommodating a medical device for image-guided imaging; a gripping portion disposed at the distal end of the insertion portion, comprising a first metal groove and a second metal groove capable of interlocking to form a space for accommodating a biopsy specimen, while forming an opening at the distal end to allow the medical device to pass through; an operating portion disposed at the proximal end of the insertion portion and connected to the gripping portion via a connecting device; the operating portion capable of driving the first and second metal grooves to pivot. The present invention can meet the needs of real-time lung biopsy under the guidance of radial bronchial ultrasound or confocal laser endoscopic probes, improve the diagnosis rate of peripheral lung lesions, avoid radiation exposure of medical workers and patients, and provide high-quality pathology / microbiology test samples for later treatment.

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 novel laparoscope biopsy forceps comprise a forceps head, a catheter, a fixed handle and a movable handle, the fixed handle and the movable handle are hinged, a guide rod is arranged in the catheter in a sliding mode, the forceps head is installed on a rotating cylinder, the rotating cylinder is connected with one end of the catheter in a rotating mode, and the catheter is arranged on the rotating cylinder. One end of the guide rod is in transmission connection with the tong head so as to control the tong head to be opened and closed, and a linkage structure is arranged between the guide rod and the rotating cylinder so as to drive the rotating cylinder to rotate; the top of the fixed handle is fixedly connected with the guide pipe, a connecting hole is formed in the top of the movable handle, the guide rod penetrates out of the guide pipe and then penetrates out of the connecting hole, and limiting parts are arranged on the guide rod and located on the two sides of the connecting hole so that the movable handle can push the guide rod to move front and back. And a rotary operation part is arranged at the exposed end of the guide rod. According to the novel laparoscope biopsy forceps provided by the utility model, the angle of the forceps head can be conveniently adjusted, so that the success rate of material drawing in an operation is improved, and unnecessary trauma to a patient is reduced.

The invention discloses a surgical robot and a control method.The surgical robot comprises an operating arm, an endoscope assembly, a biopsy forceps assembly, a first pushing assembly and a second pushing assembly, a sliding guide rail is arranged on the operating arm, and the extending direction of the sliding guide rail is the first direction; the endoscope assembly and the biopsy forceps assembly are arranged on the sliding guide rail in a sliding mode, and an instrument hole penetrating in the first direction is formed in the endoscope assembly; at least part of the biopsy forceps assembly extends into the instrument hole; the first pushing assembly and the second pushing assembly are both arranged on the operation arm, and the first pushing assembly is used for driving the endoscope assembly to reciprocate in the first direction; the second pushing assembly is used for driving the biopsy forceps assembly to reciprocate in the first direction. According to the surgical robot, the endoscope assembly and the biopsy forceps assembly are guided to work independently, manual operation is replaced, the automatic operation degree of the surgical robot in the biopsy sampling process is improved, and the safety of the surgical process is improved.

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.

The embodiment of the utility model discloses biopsy forceps. The biopsy forceps comprise: a forceps head assembly; the handle assembly comprises a handle and a sliding piece, the sliding piece is arranged on the handle in a sliding mode, a clamping part is arranged on the sliding piece, a matching part is arranged on the handle, and the clamping part and the matching part are connected in a clamping mode to lock the sliding piece; the catheter assembly comprises a push-pull piece, and the two ends of the push-pull piece are connected with the forceps head assembly and the sliding piece respectively; when the sliding piece slides along the handle, the sliding piece drives the push-pull piece to open or close the tong head assembly, and when the sliding piece slides to enable the clamping portion and the matching portion to be connected in a clamped mode, the tong head assembly is locked in the closed state. The biopsy forceps can effectively control clamping and loosening of the forceps head assembly and prevent a sample from falling off.

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 utility model discloses a pair of multi-angle adjustable endoscopic biopsy forceps, and relates to the technical field of medical instruments, in particular to a pair of multi-angle adjustable endoscopic biopsy forceps which comprises a handle assembly, an inner sliding groove is formed in the middle of the handle assembly, and a rack buckle is arranged above the handle assembly. One side of the rack buckle is in sliding connection with a pliers movable traction block, the other side of the rack buckle is in sliding connection with a pliers rotating traction block, and a transition connecting sleeve is fixedly installed at the end of the handle assembly. According to the multi-angle adjustable endoscopic biopsy forceps, the front head bend, the rotating cylinder and the forceps mounting shaft are arranged in a matched mode, so that the multi-angle adjustable endoscopic biopsy forceps have the effects that the head end can independently rotate, tissue biopsy can be better carried out, and the efficiency is improved; therefore, the multi-angle adjustable endoscopic biopsy forceps have the effect of conveniently controlling the bending of the tail end of the biopsy forceps.

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 present invention discloses a biopsy forceps guiding catheter that can be used for zero-ray myocardial biopsy, comprising a catheter body, wherein a central cavity penetrating through both axial ends of the catheter body is provided inside the catheter body, at least one electrode element is provided at the first axial end of the catheter body, an airbag component is provided at the first axial end of the catheter body near the rear side of the electrode element, the electrode element is connected to an electrical connection assembly extending to the second axial end of the catheter body, the electrical connection assembly is connected to an electrocardiogram monitor, and the airbag component is connected to a ventilation assembly extending to the second axial end of the catheter body. The electrocardiogram and injury current in the cardiac cavity are recorded by the electrocardiogram monitor leads to select a site with a significant injury current for sampling, thereby reducing the influence of scars and fat tissue on the quality of the sampled sample, and the airbag component can drift and move with the blood, thereby solving the problem that the current biopsy forceps need to rely on X-ray guidance to be delivered into the ventricle and it is difficult to accurately obtain a specific layer of myocardium under the endocardium during sampling.

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 utility model provides myocardial biopsy equipment based on OCT (optical coherence tomography) real-time positioning. The myocardial biopsy equipment comprises a fusion catheter, a controller, a biopsy forceps handle, an optical fiber probe and biopsy forceps, the optical fiber probe and the biopsy forceps are arranged at the far end of the fusion catheter, the controller and the biopsy forceps handle are arranged at the near end of the fusion catheter, an optical fiber and a control line are arranged in the fusion catheter, the optical fiber is connected between the optical fiber probe and the controller, and the control line is connected with the controller. The controller is provided with a control button for controlling the optical fiber probe to be opened and closed, the control line is connected between the biopsy forceps handle and the biopsy forceps, the biopsy forceps handle is provided with an operation button for operating the biopsy forceps to be opened and closed, and the optical fiber probe is used for scanning the interior of the cardiac muscle in real time. After the cardiac muscle needing biopsy is determined, a biopsy forceps handle is operated, so that the biopsy forceps clamp the cardiac muscle tissue needing biopsy.

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.

The utility model relates to the technical field of endoscopes, in particular to a tip cap and auxiliary installation equipment for an endoscope, which comprises an endoscope protective cap, an instrument fixing sleeve and a nylon rope, the endoscope protective cap is used for sleeving the front end of the endoscope to prevent mucosa from extruding and covering a lens of the endoscope when the endoscope extends into the esophagus of a patient for detection, so that the endoscope cannot be damaged. The instrument fixing sleeve is used for fixing the biopsy forceps on the endoscope protective cap, the biopsy forceps and the endoscope can extend in together, and when the endoscope extends to a specific position, a medical worker pulls the nylon rope with the hand to enable the instrument fixing sleeve to slide towards the left side and the right side until the instrument fixing sleeve falls off from the endoscope protective cap, so that the medical worker is prevented from falling off from the endoscope protective cap. The endoscope and the biopsy forceps can be detached and separated only by pulling the nylon rope, use is flexible and convenient, specifically, the nylon rope pulls the fixing ring to drive the fixing sleeve body to move by pulling the nylon rope, and therefore the sliding piece slides and is separated from the endoscope protective cap to fall off.

The utility model discloses a pair of haemostatic forceps for biopsy, which belongs to the technical field of medical instruments and comprises a straight rod, biopsy forceps are hinged to the lower end of the straight rod, a connecting steel rope is fixedly connected to one end, close to the straight rod, of the biopsy forceps and penetrates through the straight rod, and a grip is fixedly connected to one end, far away from the biopsy forceps, of the straight rod. A winding groove is formed in the grip, a winding roller is rotationally connected in the winding groove, the connecting steel rope is wound at the outer end of the winding roller, a rotating block is rotationally connected to the outer end of the grip, the rotating block is fixedly connected with the winding roller, a micro air pump is fixedly connected between the straight rod and the grip, and the outer ends of the straight rod and the biopsy forceps are both sleeved with soft air bags. The aim of protecting the straight rod and the outer end of the biopsy forceps by inflating the soft air bag and expanding the soft air bag can be achieved, meanwhile, blood vessels are extruded through expansion of the soft air bag, and therefore the effect of temporarily stopping bleeding is achieved, and the effects of protection and bleeding stopping are effectively improved.

The utility model discloses biopsy forceps, and relates to the technical field of biopsy forceps. The biopsy forceps comprise a biopsy forceps body, a connecting pipe is arranged on one side of the biopsy forceps body, a sampling mechanism is arranged on one side of the biopsy forceps body, and an adsorption mechanism is arranged in the connecting pipe. According to the biopsy forceps, by arranging the adsorption cup, when a to-be-sampled position needs to be adsorbed and fixed, the first forceps cup and the second forceps cup make contact with the to-be-sampled position, then the second forceps cup is opened through the adjusting handle, the adsorption cup makes contact with the to-be-sampled position, at the moment, a pull ring is pulled, and a pull rod drives a piston to slide in an air hole; at the moment, negative pressure suction is generated between the adsorption cup and the to-be-sampled part, so that the to-be-sampled part is fixed between the first forceps cup and the second forceps cup, sampling is facilitated, and the device is convenient for adsorbing and fixing the to-be-sampled part.

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 biopsy forceps comprise a forceps head assembly, a handle assembly, a steering inhaul cable and a bendable sleeve, one end of the sleeve is connected with the forceps head assembly, and the other end of the sleeve is connected with the handle assembly; one end of the steering inhaul cable is connected with the tong head assembly, and the other end of the steering inhaul cable can move relative to the handle assembly, so that the sleeve is driven to be bent when the tong head assembly is pulled, and the tong head assembly is bent relative to the handle assembly. When the biopsy forceps are used for an operation, the biopsy forceps can enable the forceps head assembly to steer under the driving of an endoscope and can also steer under the pulling of the steering inhaul cable of the biopsy forceps, and the biopsy forceps are flexible and convenient to operate, higher in reliability and convenient to implement the operation.