21 results about "Cutting stapler" patented technology

The application discloses an electric linear cutting anastomat, and relates to the field of anastomosers, which comprises an operating part and a head part, the operating part can make the head part rotate, the head part comprises a nail bin and a nail abutting seat, the nail bin and the nail abutting seat can clamp human tissues, and a plurality of suture nails are arranged in the nail bin; a nail pushing assembly is arranged in the nail bin; the nail pushing assembly can move in the nail bin, a plurality of shielding assemblies are arranged at positions corresponding to the suture nails of the nail bin, the shielding assembly comprises a trigger rod and a nail pushing block; after the nail bin and the nail abutting seat clamp human tissues, the human tissues will move the corresponding trigger rod to the direction of the nail bin; the trigger rod moves the nail pushing block to the position of the suture nail. The suture nails of the part of the nail bin and the nail abutting seat which are not clamped by human tissues cannot be fired, the suture nails in the part of the nail bin which are not clamped by human tissues are prevented from being pushed out, the situation that the suture nails are not sutured on human tissues and fall into the human cavity is avoided, and therefore the anastomosis of the anastomat on human tissues is safer.

The application provides a clamping and firing multi-stage test system for a linear electric cutting anastomat, and belongs to the technical field of clamping and firing test of electric cutting anastomat. The system comprises a working condition adaptation analysis module, a clamping and firing adaptation module, a dynamic influence analysis module and a multi-stage test regulation module. The working condition adaptation analysis module obtains clamping and firing adaptation characteristic data. The clamping and firing adaptation module generates clamping and firing adaptation data. The dynamic influence analysis module obtains a dynamic influence coefficient. The multi-stage test regulation module performs real-time monitoring on the clamping and firing whole process in stages. The application divides the key stages of the clamping and firing whole process, realizes continuous monitoring of dynamic characteristics, carries out adaptation analysis in combination with the surgical scene and the instrument structure, improves the evaluation pertinence and accuracy, quantifies the dynamic characteristic influence weight, realizes risk prediction and accurate response, provides reliable support for anastomat performance optimization and quality control, and guarantees the safety of clinical surgery.

This invention provides a foldable straight-line cutting closure device, comprising: a closure body, a staple cartridge seat, and an anvil seat; the staple cartridge seat is mounted on the closure body; the staple cartridge seat includes a base, a sliding seat, and a fixing member; the base and the sliding seat share a staple cartridge slot for staple cartridge installation, and the sliding seat is slidably mounted on the base to adjust the length of the staple cartridge slot; the fixing member is mounted on the base and can limit the sliding distance of the sliding seat; the other end of the anvil seat is hinged to the base, and the length of the anvil seat is adjustable. In this invention, the sliding seat is pushed to adjust the length of the staple cartridge slot as needed, then the staple cartridge matching the length of the staple cartridge slot is installed in the staple cartridge slot, and the length of the anvil seat is adjusted appropriately. After adjustment, the closure body controls the movement of the staple cartridge seat, the anvil seat, and the staple cartridge to cut and close at the corresponding position. By adjusting the length of the staple cartridge seat and the anvil seat, the cutting and closing operation can be completed well even in confined spaces.

The application discloses a disposable endoscope linear cutting anastomat convenient to clamp, and relates to the field of cutting anastomat.The device comprises a main unit, an anastomat unit arranged at one end of the main unit, and a cutting unit arranged at the anastomat unit, wherein the anastomat unit comprises a nail bin seat fixedly connected with a hose away from one end of a straight pipe, a nail abutting seat rotatably connected with the outer wall of the nail bin seat, a nail group clamped in the inner part of the nail bin seat, and a reset button arranged on the outer wall of the anastomat main body.The disposable endoscope linear cutting anastomat convenient to clamp is provided with a guide device arranged at one end of the nail abutting seat, so that when the nail abutting seat is anastomatized at a blood vessel or other tissue, the guide device can help the nail abutting seat to smoothly pass through the narrow space of the blood vessel or other tissue, the moving path of the nail abutting seat is relatively smooth, and secondary damage of the nail abutting seat to the blood vessel or other tissue is avoided.

A method, system, medium, and implementations for computer-aided preoperative surgical planning are described. Input data acquired with respect to a part of a patient is received by the system. The part corresponds to an organ, e.g., lung, of the patient to be operated on and includes one or more lesions to be removed during an operation. Then, an anatomic 3D model of the part of the patient is generated. Based on the generated anatomic 3D model, a preoperative plan for linear-cutting stapler resection of the one or more lesions from the organ to be carried out during the operation is obtained. The stapler cartridge size and the staple length are estimated based on the preoperative plan. Further, the resection based on the preoperative plan is visualized.

The utility model provides a linear cutting anastomat, including detachable buckle handle upper shell and handle lower shell, handle lower shell inside slide connection has push rod, and the one end of push rod is connected with the piece of stirring away from the nail storehouse, and the piece of stirring includes the rotation connecting portion and both sides of the piece of stirring of integral connection, and the rotation connecting portion is rotatable with the push rod end rotatable connection, and two pieces of stirring respectively extend the both sides of the middle seam between handle upper shell and handle lower shell, and the unilateral or both sides of the piece of stirring is driven to drive push rod along handle lower shell length direction feed, and the rotation connecting portion of two pieces of stirring middle is rotatable with the push rod end rotatable connection, and the size and position of the piece of stirring adapt the size of the middle seam between handle upper shell and handle lower shell, make both sides of the piece of stirring all be located the outside of the middle seam, and the operation of hand pushing is convenient, and the feed of push rod can be pushed to the piece of stirring of any one side, and the manual operation of any one side can be normally carried out, and the rotation side design of pushing the rotation of the structure of firing structure is omitted, and the position structure design is simplified.

A cutting anastomat for a surgical robot comprises a base, an anastomosis assembly, a nail pushing driving assembly and a head swinging assembly, the anastomosis assembly comprises a jaw assembly, and the jaw assembly comprises a nail abutting seat, a nail box base, a nail bin and an I-shaped beam; the head swinging assembly is used for driving the jaw assembly to bend, and the nail pushing driving assembly is used for pushing the nail box base to be closed and simultaneously triggering the nail bin and pulling the nail box base to be opened; the nail pushing driving assembly comprises a nail pushing gear assembly, a nail pushing screw rod and a push-pull rod; the nail pushing gear assembly is matched with one end of the nail pushing screw rod to drive the nail pushing screw rod to move axially, the other end of the nail pushing screw rod is connected with one end of the nail pushing push-pull rod, and the other end of the nail pushing push-pull rod is connected with the I-shaped beam; the swing head assembly comprises a first pull rope, a second pull rope, a swing head reel, a sliding block, a pulley and a swing head chuck. According to the cutting anastomat, the operation accuracy, the operation efficiency and the operation quality can be improved.

A guiding auxiliary device of a minimally invasive cutting closer comprises a sleeving section, a main body section, a guiding section and a traction rope structure, the sleeving section is flexibly connected with the main body section and used for sleeving and fixing a nail anvil, the guiding section is connected with the main body section, and the traction rope structure is connected with the main body section and the guiding section. The traction device is used for pulling the sleeving section, the main body section and the guiding section to move in the blood vessel. According to the guiding auxiliary device of the minimally invasive cutting closer, the angle of the guiding section can be changed, the guiding auxiliary device adapts to different use environments, blood vessels are well prevented from being damaged, and the guiding auxiliary device can be conveniently and rapidly butted and fixed with a nail anvil.

The utility model relates to the technical field of medical instruments, in particular to a linear cutting anastomat capable of preventing secondary percussion, which comprises a percussion assembly, a locking assembly and a resetting assembly. A cutting blade is arranged at the front end of the percussion assembly; a driving handle is arranged at the rear end; the locking assembly limits the action of the driving handle through a sliding rod and a limiting block, so that secondary percussion is avoided; the reset assembly achieves the automatic reset function through an elastic piece and a guide piece. Through the mechanical structure design, a complex electronic module is not needed, the secondary percussion risk is effectively prevented, meanwhile, the manufacturing cost and the operation difficulty are reduced, the stability and the reliability of equipment are improved, and the problems that in the prior art, secondary percussion hidden dangers exist, and operation is inconvenient are solved.

The invention discloses a large-angle endoscopic cutting anastomat assembly, and relates to the technical field of medical instruments, the large-angle endoscopic cutting anastomat assembly comprises a jaw part (1), an anastomat connecting part (5) and a jaw closing driving part (6), an anastomat main body drives the jaw closing driving part (6) to control the closing action of the jaw part (1) by controlling the anastomat connecting part (5), and the jaw closing driving part (6) is driven by the anastomat main body to control the closing action of the jaw part (1). The anastomat is characterized by further comprising a bending main body, one end of the bending main body is connected with the anastomat main body, the other end of the bending main body is connected with the jaw component (1), and the anastomat main body drives the bending main body to achieve bending action so as to drive the jaw component (1) to flexibly adjust the bending angle. According to the scheme, the reversing gear conducts left-right bending force, large-angle bending is achieved through a multi-joint structure, and the technical problems that due to multiple joints, the bending freedom degree is high, and the zero position is not easy to lock are solved by means of the spring design.

The invention provides a clamping and percussion multi-stage testing system for a linear electric cutting anastomat, and belongs to the technical field of clamping and percussion testing of electric cutting anastomats. The system comprises a working condition adaptation analysis module, a clamping and percussion adaptation module, a dynamic influence analysis module and a multi-stage test regulation and control module. The working condition adaptation analysis module is used for acquiring clipping and percussion adaptation characteristic data; the clip firing adaptation module generates clip firing adaptation data. The dynamic influence analysis module obtains a dynamic influence coefficient. And the multi-stage test regulation and control module is used for performing staged real-time monitoring on the whole clamping and percussion process. According to the method, by dividing key stages of the whole process of clipping and percussion, continuous monitoring of dynamic characteristics is achieved, adaptation analysis is carried out in combination with an operation scene and an instrument structure, and evaluation pertinence and accuracy are improved; the dynamic characteristic influence weight is quantified, risk pre-judgment and accurate response are achieved, reliable support is provided for anastomat performance optimization and quality control, and clinical operation safety is guaranteed.

The invention belongs to a percussion force test system and method for a linear electric cutting anastomat, and the system comprises a stroke adaptation analysis module which is used for collecting various parameters, analyzing the influence of the parameters on percussion force, and obtaining assembly stroke adaptation data in combination with stroke data. And the clinical medium analysis module is used for analyzing to obtain medium influence data and clinical mechanical characterization data. And the dynamic fusion processing module is used for acquiring mechanical, motion and environment associated data in the percussion process, and performing preprocessing to obtain percussion dynamic fusion data. The fusion modeling report generation module is used for constructing a percussion force calibration model based on the medium influence data, the clinical mechanical characterization data, the load assembly influence coefficient and the percussion dynamic fusion data, performing real-time detection on the percussion process and generating a percussion force test and abnormity traceability report; according to the invention, the accuracy and clinical suitability of the percussion force test can be improved, the full-dimensional influence quantification of component-load-medium is realized, and the real-time detection and accurate traceability are realized.

A cutting anastomat for a surgical robot comprises a base, an anastomosis assembly, a nail pushing assembly and a head swinging assembly, the anastomosis assembly comprises a jaw assembly, and the jaw assembly comprises a nail abutting seat, a nail box base, a nail bin and an I-shaped beam; the swing head assembly is used for driving the jaw assembly to bend; the nail pushing drive assembly comprises a pull rope, a thrust rope, a pull reel and a thrust reel, and the pull reel and the thrust reel can rotate synchronously; one end of the tension rope is wound in a groove of the tension reel, one end of the thrust rope is wound in a groove of the thrust reel, and the winding directions of the tension rope and the thrust rope are opposite; when the thrust rope is pulled, the nail box base is closed and simultaneously triggers the nail bin, and when the pull rope is pulled, the nail box base is opened. According to the cutting anastomat, the operation accuracy, the operation efficiency and the operation quality can be improved.

The utility model relates to a kind of limit structure of endoscope linear cutting anastomat nail bin assembly, including the jaw assembly, outer sleeve and firing assembly sequentially connected along front-back direction;Jaw assembly includes nail seat and nail bin seat, and nail bin seat is equipped with nail bin;Nail bin is equipped with push block;Outer sleeve is equipped with cutting knife, and cutting knife bottom is equipped with cooperation groove;The rear end of push block is equipped with cooperation block;The length of cooperation groove is L1;Two limit structures are equipped in the nail bin seat, the rear end of nail bin is limited cooperation with two limit structures, and when nail bin is connected and fixed to nail bin seat, the distance between the rear end surface of nail bin and limit structure is L5, L5 < L1.Correct installation of nail bin can be ensured without equipping nail bin protective cover, so as to reduce the time cost of learning nail bin protective cover structure and effect, and nail bin can also be installed faster by operator during operation to carry out operation, improve operation efficiency and safety.

The utility model provides a kind of cavity cutting anastomat nail bin assembly quick docking stable device, belong to medical instrument technical field, including bearing mechanism, the structure for supporting and fixed entire docking device;Fixing part, be located on the bearing mechanism, for realizing the preliminary positioning and installation of nail bin assembly;The fixing part includes base and fixed block, the base is connected to the bearing mechanism, for providing installation platform;Docking mechanism includes extrusion assembly and splicing component.The utility model realizes the quick positioning and stable connection of nail bin assembly by setting the cooperative structure of fixing part and docking mechanism, and elasticity clamping structure and conical positioning rod improve the accuracy and convenience of docking, extrusion assembly is guided under the guidance of guide rod and is pressed tightly smoothly, ensure reliable connection, anti-skid line or elastic washer of fixed sleeve inner wall further prevent loosening during use, improve the efficiency and security of cavity cutting anastomat nail bin assembly installation.

The utility model discloses a combined type nail bin assembly and an endoscope cutting anastomat, and relates to the technical field of cutting anastomats. The combined type nail bin assembly and the endoscope cutting anastomat comprise a nail bin seat, a nail abutting seat and a nail set clamped in the nail bin seat, a knife body is arranged in the nail bin seat in a sliding mode, a knife pushing rod is arranged at one end of the knife body, a straight pipe used for storing the knife pushing rod is arranged at one end of the nail bin seat, and one end of the straight pipe is connected with a cutting anastomat body. According to the device, the knife body and the knife pushing rod are divided into two independent individuals, the knife body is combined and connected with a nail group, and a connecting mechanism composed of the inserting seat, the inserting block, the locking block and the like is arranged between the knife body and the knife pushing rod, so that the knife body and the knife pushing rod can be conveniently detached, and the knife pushing rod can be conveniently detached when the nail group at the nail bin seat is taken out in the later period. The cutter body can be taken out at the same time, repeated utilization of the cutter body is avoided, cross contamination is reduced, and meanwhile the sharpness of the cutter body in the cutting process is guaranteed.

This invention discloses a stapler pusher slider. The bottom of the pusher slider is selectively provided with a bottom rolling element perpendicular to its direction of movement. The bottom rolling element mates with the inner surface of the staple cartridge base on the stapler. A top rolling element is selectively provided on the working surface of the pusher slider, mates with the lower inclined surface of the staple pusher on the stapler. A rolling module is selectively provided on the pusher slider to adapt to the elongated groove on the staple cartridge of the stapler. At least one of the bottom rolling element, top rolling element, and rolling module is provided. When the pusher slider moves along the longitudinal axis of the staple cartridge base, rolling friction occurs between the pusher slider and the staple cartridge base, between the pusher slider and the staple pusher, and between the pusher slider and the inner wall of the elongated groove. This invention reduces the friction between the pusher slider and the staple cartridge base, staple cartridge, and staple pusher through rolling, thereby reducing the striking force of the instrument. It has a simple structure and is easy to manufacture, and can be used for linear cutting and laparoscopic cutting staplers, etc.

This invention discloses a linear stapler with precise firing and positioning, relating to the field of staplers. In this invention, the staple cartridge is installed within a staple cartridge holder via adjusting bolts. The height of the staple cartridge within the holder can be adjusted by raising and lowering the bolts, thereby adjusting the distance between the staple cartridge and the anvil plate. This allows the staple cartridge and anvil plate to work together to clamp and cut tissues of different thicknesses, improving the applicability of the stapler. Furthermore, an adjusting plate is installed on the side of the staple cartridge, and this adjusting plate is connected to the firing assembly via a lifting plate. When the staple cartridge is adjusted, the firing assembly can be adjusted in height using the adjusting plate and the lifting plate, ensuring that the height of the firing assembly is adjusted synchronously with the staple cartridge. This guarantees that the firing assembly can accurately fire the titanium staples within the adjusted staple cartridge, ensuring the normal operation of the stapler. Simultaneously, the adjustment of the staple cartridge's height allows for quick and convenient adjustment of the clamping position of the staple cartridge and anvil plate on the tissue.

A cutting anastomat for a surgical robot comprises a base, an instrument rod, a jaw assembly, a nail pushing driving assembly, a bending driving assembly and a bending assembly, and the jaw assembly comprises a nail abutting seat, a nail box base, a nail bin and an I-shaped beam; the instrument rod is of a hollow structure, and one end of the instrument rod is located in the base. The bending driving assembly can drive the jaw assembly to bend in any direction of the circumference through the bending assembly. The nail pushing driving assembly comprises a nail pushing gear assembly, a nail pushing screw rod and a push-pull rod; the nail pushing gear assembly is matched with one end of a nail pushing screw rod, the other end of the nail pushing screw rod is connected with one end of a push-pull rod, and the other end of the push-pull rod is connected with an I-shaped beam; the gear assembly can drive the nail pushing screw rod to axially move front and back, the nail pushing screw rod axially moves to drive the push-pull rod to axially move, the push-pull rod axially moves to drive the I-shaped beam to axially move, and therefore the nail box base is pushed to be closed, and meanwhile the nail bin is fired or the nail box base is pulled to be opened. According to the cutting anastomat, the operation accuracy, the operation efficiency and the operation quality can be improved.

The invention relates to the technical field of medical instruments, and particularly discloses an arc-shaped cutting stitching instrument which comprises a nail head structure, the nail head structure comprises a nail cylinder assembly and a nail anvil assembly, the nail cylinder assembly and the nail anvil assembly are in sliding fit, the nail anvil assembly comprises a first shell and a protective cover, and the protective cover is connected with the first shell; at least two windows are formed in the first shell, the windows are arranged at intervals in the peripheral direction of the first shell, and a nail abutting block is arranged on the side, facing the nail barrel assembly, of the first shell; the nail barrel assembly comprises a second shell, a nail bin and a nail pushing piece, suturing nails, the nail pushing piece and a cutting knife are arranged in the nail bin, the suturing nails and the cutting knife are close to the nail anvil assembly relative to the nail pushing piece, the nail pushing piece moves towards one side of the protective cover under the action of external force to push out the suturing nails and the cutting knife, and the nail bin is detachably connected with the second shell. The percussion device can support multiple percussion operations.

The utility model discloses an adjustable linear cutting anastomat, and relates to the technical field of medical instruments. The left side of the gun handle is fixedly connected with a baffle, the side wall of the baffle is provided with a through groove, the left side of the gun handle is fixedly connected with a fixed supporting rod, the end, away from the gun handle, of the fixed supporting rod is rotationally connected with a rotating supporting rod, and the end, away from the fixed supporting rod, of the rotating supporting rod is provided with an anastomat. According to the utility model, the steering component is arranged, specifically, the gear drives the steering wheel to rotate through the connecting rod, and the steering wheel controls the steering of the rotating support rod through the shaft rod along with the rotation of the steering wheel, so that the anastomat at the end part is driven to steer and control, and the steering function allows a doctor to adjust the angle of the cutting anastomat according to actual requirements in an operation process; therefore, the surgical instrument can reach the surgical site more easily, and a doctor can operate the surgical site better under the condition that the body position of a patient is not changed or the overall position of the surgical instrument is not adjusted.