32 results about "Dissection forceps" patented technology

The invention belongs to the technical field of medical instruments, and discloses a multi-degree-of-freedom surgical robot end effector which comprises a wrist mechanism, and the wrist mechanism comprises a first connecting piece, a second connecting piece, a first forceps holder, a second forceps holder, a first pin shaft, a second pin shaft, a first driving rope, a second driving rope and a third driving rope; the first forceps holder and the second forceps holder are rotationally connected with the first end of the first connecting piece through a first pin shaft respectively; the second end of the first connecting piece is rotationally connected with the second connecting piece through a second pin shaft; the second pin shaft is perpendicular to the first pin shaft; the far end of the first driving rope is fixed on the first forceps holder and drives the first forceps holder to rotate around the first pin shaft; the far end of the second driving rope is fixed on the second forceps holder and drives the second forceps holder to rotate around the first pin shaft; the far end of the third driving rope is fixed to the second end of the first connecting piece and drives the first connecting piece to rotate around the second pin shaft. Coupling between two degrees of freedom can be avoided, and the motion precision of the end effector is improved.

The utility model discloses a clamping device of endoscope thread knot forceps, and relates to the technical field of endoscope equipment. The device specifically comprises a pressure reduction tube and a clamping component, and the pressure reduction tube comprises at least one probe bead; the clamping component is arranged outside the pressure reducing pipe and comprises a binding ring and an extending part, and the binding ring is arranged on the outer wall of the pressure reducing pipe; one end of the extension part is connected with the binding ring, the other end extends towards one side far away from the binding ring, and the free end of the extension part is used for clamping and pulling and drives the decompression pipe to move through the binding ring. The clamping component adopts a binding ring and an extension part which are mounted on the outer wall of the decompression tube, and the extension part extends out of the binding ring, can provide an acting point for the forceps holder and is separated from the decompression tube, so that the outer wall of the decompression tube is prevented from being damaged after the forceps holder is clamped, the decompression tube is prevented from being broken due to clamping, a metal ball falls into the body of a patient, and the treatment risk of the patient is increased.

The utility model discloses a manipulator seedling clamp which comprises a mechanical arm, a clamping mechanism is fixedly connected to the executing end of the mechanical arm, the clamping mechanism comprises a shell, a plurality of strip-shaped openings are formed in one side of the shell at equal intervals, fixing clamps are fixed to the side, close to each strip-shaped opening, of the outer side wall of the shell, and the fixing clamps are fixed to the side, close to each strip-shaped opening, of the shell. A sliding rod penetrates through and is slidably connected to the interior of each strip-shaped opening, a moving assembly is fixedly connected to the end, located outside the shell, of each sliding rod, each moving assembly comprises a moving clamp fixedly connected with the corresponding sliding rod, and a first groove is formed in the side, close to the corresponding fixed clamp, of each moving clamp. According to the seedling clamp, the mechanical arm and the clamping mechanism are arranged, the clamping mechanism comprises the shell, the multiple fixed clamps and the multiple movable clamps are arranged on one side of the shell, when the seedling clamp is used, the multiple movable clamps are driven by the servo motor to move at the same time and matched with the multiple fixed clamps to clamp multiple seedlings at the same time, and therefore the seedling clamping efficiency of the seedling clamp is improved; and the overall working efficiency of the seedling planting machine is improved.

A forceps holding device according to exemplary embodiments of the present invention comprises: a forceps mounting unit in which at least a portion of forceps is inserted and mounted; and a storage space connected to the forceps mounting unit and accommodating contaminants therein. The forceps mounting unit includes a first tunnel extending from the storage space and a second tunnel extending from the first tunnel, and the second tunnel may be inclined at a predetermined angle with respect to the first tunnel.

The utility model belongs to the technical field of medical instruments, and particularly relates to a clip applier head mechanism with a clip arranging function and a continuous clip applier applying the clip applier head mechanism. The utility model provides a clip applier head mechanism with a clip arranging function, aiming at the problem that in the prior art, a clip applier fails to hold a clip and a waste clip is not easy to take out, the clip applier head mechanism with the clip arranging function comprises a clip, a clip closing mechanism, a clip pushing rod and a clip head fixing sleeve, and the clip closing mechanism and the clip head fixing sleeve jointly fix the clip; the clamp head fixing sleeve is provided with a clamp conveying face with the gravity center inclining towards the clamp pushing rod, one side of the clamp pushing rod is tightly attached to the clamp conveying face and used for conveying clamps, the clamp head fixing sleeve is further provided with a clamp outlet used for discharging the titanium clamps out of the clamp head mechanism, the clamp outlet penetrates through the side wall of the clamp head fixing sleeve, and the end, away from the clamp, of the clamp conveying face is communicated with the clamp outlet. When the clamp fails to clamp the clamp, the waste clamp can slide out of the clamp outlet along the clamp feeding surface. The utility model further provides an integral scheme of the running clip applier applying the clip head mechanism.

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 discloses a drawing jig. The drawing jig comprises a base; the clamping structure at least comprises a first clamping plate and a second clamping plate which can move oppositely or oppositely, a first notch is formed in the side portion, facing the second clamping plate, of the first clamping plate, and a second notch is formed in the position, corresponding to the first notch, of the side portion of the second clamping plate; the drawing assembly is arranged on the base and used for pulling out the nylon rod in the ear hook clamped by the first clamping plate and the second clamping plate; according to the nylon rod separating device, the problems that in traditional nylon rod separating equipment, generally, a nylon rod is manually clamped to be separated from an ear hook, but due to uneven manual force application, the ear hook can be possibly deformed, and the separating efficiency is low can be solved.

The utility model discloses a transverse arc-shaped haemorrhoids forceps holder treatment device which comprises two forceps handles, the forceps handles are rotationally connected, the outer end of one of the forceps handles is connected with an installation piece in a clamped mode, the outer end of the installation piece is provided with an auxiliary treatment assembly, and the auxiliary treatment assembly comprises a cavity connecting plate fixedly connected to the outer end of the installation piece. The cavity connecting plate is internally and symmetrically connected with micro gears in a rotating mode, the two micro gears are meshed with each other, the outer end of the supporting rod is fixedly connected with a clamping sleeve, and a clamping groove is formed in the top end of the clamping sleeve. According to the transverse arc-shaped forceps holder treatment device for haemorrhoids, through the two sets of meshed micro gears, the two sets of micro gears rotate in the opposite directions, so that the two sets of supporting rods drive the clamping sleeves at the outer ends of the supporting rods to rotate in the opposite directions, a rubber ring clamped between the two clamping sleeves is conveniently opened, and meanwhile the caliber of the rubber ring opened towards the two ends can be adjusted through operating forceps; the hemorrhoid treatment device is suitable for large-size external hemorrhoids and is easy and convenient to operate.

The application provides a rotation prevention transmission mechanism of a tissue fixing device and the tissue fixing device, which comprises a supporting mechanism, a clutch mechanism and a rotation prevention locking assembly. The supporting mechanism comprises a fixed connection assembly and a driving assembly which is threadedly matched with the fixed connection assembly to realize relative axial movement. The rotation prevention locking assembly comprises a locking biasing member and a locking member. The locking biasing member provides a biasing force to the locking member towards the driving assembly. The driving assembly is provided with a rotation prevention locking opening. The rotation prevention locking assembly is arranged such that when the driving assembly is in a separated state from the operating rod and moves to a preset area relative to the fixed connection assembly, the locking member is pressed into the rotation prevention locking opening by the locking biasing member to limit the rotation of the driving assembly relative to the fixed connection assembly. By arranging the rotation prevention locking assembly, the rotation of the driving assembly is limited by the locking member in the case that the driving assembly is separated from the operating rod, stable locking is realized after the valve clamping instrument completes clamping, and relative rotation of the transmission rod is avoided to affect the clamping stability.

The invention discloses a laparoscope operating instrument capable of turning, and relates to the technical field of medical instruments. The laparoscope operating instrument capable of turning comprises a forceps body and a forceps rod shell, the forceps rod shell is installed on the forceps body, a forceps rod inner core is installed in the forceps body, the end, away from the forceps body, of the forceps rod inner core penetrates through the interior of the forceps rod shell and is provided with a forceps clip and a turning adjusting structure, and the turning adjusting structure is located on the forceps body. The turning adjusting structure comprises a plurality of bamboo joint turning blocks, a steel wire, a fixing frame, a rotating plate and a mounting cylinder, and by arranging the turning adjusting structure, the steel wire is used for pulling the deformable forceps rod inner core of the flexible pipe structure, and the design of slope grooves of the bamboo joint turning blocks is matched, so that the turning angle of the forceps holder can be accurately adjusted; a doctor can flexibly adjust the angle of the forceps holder according to actual requirements in the surgical operation, so that different surgical sites and operation requirements can be better adapted, and the surgical accuracy and success rate are improved.

The utility model discloses a circumferential torque testing device for a steel-plastic conversion pipe fitting, which comprises a hydraulic pipe wrench, an adjustable telescopic force rod and a digital display torque wrench measuring mechanism, the adjustable telescopic force rod comprises a fixed force rod, a movable force rod and a fixed bolt, one end of the fixed force rod is fixedly connected with the hydraulic pipe wrench, and the other end of the fixed force rod is fixedly connected with the digital display torque wrench measuring mechanism. First through holes are uniformly formed in the fixed force rod and the movable force rod respectively, the fixed bolts are inserted into the first through holes to realize connection between the fixed force rod and the movable force rod, and the other end of the movable force rod is fixedly connected with the digital display torque wrench measuring mechanism; and the hydraulic pipe tongs clamp the metal pipe fitting of the steel-plastic conversion pipe fitting, and clamp and rotate to measure the torque force. According to the utility model, the force rod with the telescopic adjustable function is arranged, the measuring range is large, and the test requirements of different workpieces can be met.

The utility model relates to the technical field of exposure forceps, in particular to a pair of multifunctional needle type exposure forceps for weight loss metabolism surgery, which comprises a piston component, a piston rod, a needle tube, an exposure forceps, a clamping plate and a connecting rod, the needle tube is arranged on the piston component, the exposure forceps are slidably connected to the inner side of the lower portion of the needle tube, and the exposure forceps are connected with the piston rod. A clamping plate is connected to the lower portion of the exposure clamp, the initial state of the clamping plate is a tightened state, and four connecting rods are connected to the outer wall of the lower portion of the needle tube in a vertically symmetrical mode. According to the utility model, the swing plate, the distraction plate and the contact block are arranged, and the exposure forceps are provided with four distraction plates, so that the exposure forceps can distraction human tissues to a larger area, the area of a surgical operation area is effectively enlarged, a doctor can perform surgical operation conveniently, the area of the distraction plate is increased, and the operation efficiency is improved. Therefore, the contact area between the exposure forceps and the human tissue is increased, so that the situation that the human tissue is damaged due to large local pressure of the human tissue is not easy to occur.

The invention relates to biopsy forceps for excision of a tissue sample, comprising at least two forceps jaws which are mounted so as to be reversibly pivotable between an open and a closed position by means of pivot kinematics, of which at least one forceps jaw has a concave contour which, in the closed position, encloses a resection volume in cooperation with the at least one other forceps jaw. The invention is characterised in that a cutting device is provided which is connected or can be operatively connected to at least one of the forceps jaws in such a way that the cutting device divides the resection volume into two resection partial volumes in the closed position of the at least two forceps jaws and separates a tissue sample located in the resection volume into two tissue sample parts by mechanical cutting.

The utility model belongs to the technical field of medical instruments, and particularly relates to a simple vagina loop ligature assembly suitable for laparoscopic cervical cancer treatment, which comprises a sleeve and a loop ligature belt, the outer diameter of the sleeve is gradually increased along the axial direction, one end of the sleeve is a thick end, the other end of the sleeve is a thin end, the outer diameter of the thick end is less than or equal to 9mm, and the outer diameter of the thin end is less than or equal to 5mm; the ligation band comprises a band body and a band head, the band body can pass through the thin end and the band head is not allowed to pass through the thin end, and the band body and the band head can pass through the thick end. The laparoscope binding band is simple in structure and low in cost, the sleeve is used for rapidly feeding the binding band into the abdominal cavity, the thin end of the sleeve is used for tightening the ligation band, the ligation band does not need to be tightened through a laparoscope clamp, operation is easy for a surgeon, and operation time is saved.

The utility model provides a kind of auxiliary lifting device for operation and the operating bed with it, wherein auxiliary lifting device includes L-type rod, adjusting rod, first adjusting structure, first clamping piece and tissue forceps;L-type rod is suitable for being installed on bed;Adjusting rod is installed on L-type rod;First adjusting structure is installed on adjusting rod;First clamping piece is installed on first adjusting structure;Tissue forceps are installed on first clamping piece.Use, L-type rod is installed on bed, tissue forceps are clamped and fixed, the angle of adjusting rod, first adjusting structure and first clamping piece is adjusted in turn, so that tissue forceps reach optimal operation position;After adjustment is completed, use tissue forceps to hold and pull focus tissue, and doctor carries out focus tissue resection.In the utility model, auxiliary lifting device can be flexibly adjusted angle, so that tissue forceps reach optimal position;In addition, tissue forceps can be firmly fixed, to prevent tissue forceps displacement or shaking during lifting and traction, so that clear operation visual field is maintained all the time.

The endometrium biopsy forceps comprise a forceps body, a clamping and cutting assembly arranged at one end of the forceps body and a driving assembly capable of driving the clamping and cutting assembly to move. By means of the clamping and cutting assembly and the driving assembly, in the sampling process in cooperation with a hysteroscope, when a polyp with the large size is encountered, the shearing driving part controls the shearing head, the shearing head and the fixed clamping and cutting head cut the root of the polyp firstly, and after the root of the polyp is cut off, the clamping and cutting head is used for cutting off the polyp. An operator can control the forceps clip head to be gradually tightened through the forceps clip driving part, the forceps clip head and the fixing clip cutting head clamp the cut polyp, the polyp is brought out of the body of a patient, and compared with a sampling method needing multi-step operation in the prior art, the sampling method has the advantages that the operation is simple, and the operation is convenient. According to the hysteroscope, the operation of cutting, clamping and taking out the polyp can be achieved without taking the whole device out of the hysteroscope, the operation process is more efficient, and harm to a patient can be reduced to the minimum.

This utility model relates to the field of medical device technology, and in particular to a multi-angle puncture and suturing device for arthroscopic surgery, comprising: a first hand handle, a second hand handle, and a clamping rod assembly hinged to one end of the first and second hand handles; the clamping rod assembly includes: a first clamping rod fixedly disposed at one end of the first hand handle, a second clamping rod hinged to one end of the second hand handle, and a third clamping rod slidably disposed at the end of the second clamping rod away from the first hand handle; the first clamping rod is hinged to the side of the second hand handle near the second clamping rod; wherein, the end of the second clamping rod away from the first hand handle is hinged to the middle of the third clamping rod, one end of the third clamping rod is hinged to one side of the first clamping rod, and the other end of the third clamping rod is fixedly provided with a first clamp; this utility model simplifies the surgical procedure, eliminating the need for multiple switching of tools such as suture guides and beak forceps as in traditional methods, reducing the number of operational steps during the surgery, and shortening the surgical time.

A clamping device (10) for clamping and positioning a tissue sample, in particular a tissue section, is described, comprising a gripping pliers (5) with two pre-tensioned gripping jaws (5a, 5b), a first (1a) and a second spring leg (1b) connected thereto, wherein the gripping jaws (5a, 5b) are arranged at an angle to each spring leg (1a, 1b) and a spring element (3) formed by one of the spring legs (1a, 1b), wherein at least one spring leg (1a, 1b) is deflectable in order to move the gripping pliers (5) into an open position.

The application provides a forceps delivery device and a forceps delivery system, and relates to the technical field of medical instruments.The forceps delivery device comprises a main control handle connector assembly; the main control handle connector assembly comprises a main handle shell, first and second upper clamp arm traction wire handles, an outer sleeve, a middle sleeve and a connecting rod; the first and second upper clamp arm traction wire handles each comprise a respective traction wire main handle and a traction wire fixing part; wherein: the traction wire main handle is connected to the main handle shell through a switching mechanism, and the switching mechanism can control the traction wire main handle to switch between the two states of being fixed to the main handle shell and being capable of sliding forward and backward relative to the main handle shell. The forceps delivery system comprises the aforementioned forceps delivery device. The application at least alleviates the technical problem that the opening and closing action control process of two upper clamp arms in the existing forceps delivery device is complicated.

The technology relates to a cable for a multimodal surgical tool having jaw electrodes that use a bipolar energy modality and a cutting electrode that uses a monopolar energy modality. The cable includes a first wire connected to a first jaw electrode, a second wire connected to a second jaw electrode, and a third wire connected to the cutting electrode. The cable includes a conductive shield between the third wire and the first and second wires to mitigate the effects of parasitic capacitance between the third wire and the first and second wires when the third wire is energized. The conductive shield encloses either the third wire or the first and second wires, along with a drain wire that is in contact with the conductive shield.

The utility model relates to the technical field of traditional Chinese medicine decoction pieces, in particular to a drying device for processing traditional Chinese medicine decoction pieces, which comprises a box body, a temperature control system arranged on the top surface of the box body, a door body arranged on the front surface of the box body, a plurality of supporting beams symmetrically and horizontally arranged on the inner walls of two sides of the box body, grooves with upper openings formed in the supporting beams, and round pipes sleeved in the grooves. The round pipes are arranged on the two sides of the bottom face of the tray body, the forceps legs of the forceps clips are inserted into the round pipes in a matched mode, the L-shaped upper forceps pieces of the forceps clips are tightly attached to the inner wall of the long baffle at the front end of the tray in a matched mode, and the forceps legs and the upper forceps pieces clamp the tray together so that the high-temperature tray can be taken out conveniently; the pallets in the drying box can be used in a matched mode, the high-temperature pallets can be taken out, operation is convenient, and drying efficiency is improved.

This invention relates to the field of surgical medical device technology, specifically to a laparoscopic purse-string forceps, comprising a clamp, a handle, and a shaft. The clamp includes an upper clamp and a lower clamp, and the handle includes an upper handle and a lower handle. Both the upper and lower handles have movable cavities. A first rotating shaft and a second rotating shaft are fixedly connected to the top and bottom of the upper and lower clamps, respectively. The first and second rotating shafts pass through the bottom walls of the upper and lower handles, respectively, and both are hinged to pistons located within the movable cavities. The sides of the movable cavities away from the first and second rotating shafts are connected to tracheas. A first connecting rod and a second connecting rod are hinged to the sides of the upper and lower handles away from the movable cavities, with the first and second connecting rods hinged together. The shaft contains a pull rod connected to a handle assembly and a corresponding drive assembly. This invention designs a purse-string forceps that can be used in conjunction with a laparoscopy to assist in purse-string suturing within the abdominal cavity.

The application discloses a medical fracture reduction forceps, which comprises a reduction forceps body, the end of the reduction forceps body is arranged in an arc shape, and the reduction forceps body is arranged in an arc shape; and a fixing plate is fixedly connected to one side of the reduction forceps body, and belongs to the technical field of medical instruments. The device clamps the bone block through the reduction forceps body, the reduction forceps body is arranged in an arc shape, can directly pass through the bone plate, increases the convenience of operation and the firmness of fracture reduction, facilitates the steel plate to directly pass through the middle of the reduction forceps, avoids the displacement of the Kirschner wire when the Kirschner wire is used to fix the fracture block and place the steel plate, avoids the displacement of the bone block caused by the temporary fixation of the Kirschner wire and the secondary clamping of the reduction forceps body, the end of the reduction forceps body is arranged in an arc shape, avoids the tip of the straight forceps clamping teeth from penetrating the bone cortex like the Allis and Kocher forceps, is helpful to the protection of small long bones (such as clavicles), avoids the harm to the patient, and thus the practicability of the reduction forceps is improved, and the protection of the patient is realized.

The utility model discloses a cleaning tool for a pitaya tank, and aims to solve the technical problems that in the prior art, the cleaning speed is low, time and labor are wasted, and cleaning dead angles are prone to occurring due to the fact that a pair of holding forceps (oval forceps) is generally used for clamping a gauze piece or a brush to stretch into a tank body to clean the pitaya tank. The cleaning tool comprises a positioning disc, a moving seat is slidably mounted in the positioning disc, a positioning seat is mounted in the middle of the positioning disc in a penetrating mode, a center brush and a side brush are mounted in the moving seat and the positioning seat correspondingly, screw holes are formed in the outer surfaces of the moving seat and the positioning seat correspondingly, and positioning lead screws are in threaded connection with the interiors of the screw holes; according to the cleaning tool, the diameter of a circle formed by the side brushes is increased or decreased through design, the diameter of the circle formed by the side brushes corresponds to pitaya tanks of different sizes and models, adaptability of the cleaning tool is achieved, the side brushes and the center brush are attached to the inner walls of the pitaya tanks to conduct rotating cleaning without dead corners, and the cleaning tool is simple in structure and convenient to use. And the pitaya tank is cleaned quickly and effortlessly.

The utility model belongs to the field of ophthalmic operation tool, especially be related to a forceps for pterygium excision. The technology includes two handle, the end of two handle is hinged to each other, is provided with drive assembly between two handle, is provided with locking assembly between two handle, is fixed with clamping part on the hinged end of two handle, the clamping part includes two arc clamping rods, is fixed with straight line clamping rod between the opposite end of two arc clamping rods, the other end of one arc clamping rod is fixed with support rod, support rod is fixed on handle, and the clamping part whole presents hook shape. The clamping part of hook shape structure is small, and the shape is more adaptive to the operation area of eye, can clamp the blood vessel tissue of whole pterygium excision site once, is more convenient to clamp operation, need not adjust orientation and clamp several times, two arc clamping rods and straight line clamping rod combination present boat type, are more adaptive to the shape of lacrimal caruncle area, and the resection along the clamping trace is more beautiful.

The application provides an endoscopic surgical biopsy forceps device, which comprises a handle part, a rod part, a clamping part and a monitoring mechanism, the handle part is arranged at the tail of the rod part, the clamping part is arranged at the head of the rod part, the handle part controls the clamping part to perform clamping action through the rod part, and the monitoring mechanism is arranged on the rod part; the rod part comprises upper and lower sliding plates which are relatively translated; the monitoring mechanism comprises a camera, a signal transmission line, a multi-spectrum illumination system, an optical fiber, a signal processing board and a display device, and the signal processing board is connected with the camera, the multi-spectrum illumination system, the display device and a control system respectively. In the application, the image is wirelessly transmitted to the display device through the miniature camera, the image can be saved in real time as an auxiliary basis for a later detection result, the camera is inlaid in a clamping groove of the biopsy forceps, the volume of the biopsy forceps is reduced, the camera is prevented from loosening and falling off, the pain of a patient is reduced, and the operation of a doctor is more convenient.

The invention relates to the technical field of medical instruments, in particular to multifunctional liver, gall and pancreas operation dissecting and separating forceps which comprise a mounting rod, one end of the mounting rod is fixedly connected with a telescopic rod, and the other end of the mounting rod is provided with a control assembly used for controlling the telescopic rod to operate. An output shaft of the telescopic rod is fixedly connected with a center rod, and the center rod is provided with a separation assembly used for separating tissue, an electrocoagulation assembly used for conducting electrocoagulation on a bleeding part and a suction assembly used for sucking blood and tissue fluid. The control assembly is used for controlling the telescopic rod to operate so as to drive the center rod to slide, and meanwhile, the separation assembly is driven to separate tissues, the electrocoagulation assembly is used for electrocoagulation of a bleeding part, and the suction assembly is used for sucking blood and tissue fluid; the control assembly is located on the holding assembly. The device is complete in function and capable of effectively improving the operation efficiency and reducing the operation cost.