510 results about "Suture needles" patented technology

The utility model discloses a stitching instrument for stitching an endoscope puncture hole. The stitching instrument comprises a handle part and two operating rods which are assembled on the handle part in a rotatable structure, the lower ends of the two operating rods are respectively provided with a convex needle connecting part, and the lower ends of the two operating rods extend out of the guide cylinder of the handle part; in the rotating action of the two operating rods, the needle connecting parts at the lower ends of the two operating rods are folded or unfolded; when the needle connecting parts of the two operating rods are in a folded state, the guide cylinder located at the handle part is in an axial storage coverage range of a trocar channel through which the guide cylinder needs to penetrate during surgical operation; the lower end of each operating rod is provided with a needle mounting base formed in an outward protruding mode, the needle mounting bases are connected with suture needles through detachable structures, and the suture needles are connected to the needle mounting bases in place to form an inflection assembly structure facing the handle part. According to the stitching instrument, the stitching operation is simplified, the stitching safety, flexibility and efficiency are improved, the forming structure of the stitching instrument is simplified, and the practicability is higher.

The invention discloses a special suture line guiding device for cervical surgery, which comprises a suture needle main body, two ends of the suture needle main body are respectively provided with a needle tip end and a needle tail end, the needle tail end is connected with a suture line, the diameter of the suture needle main body is not less than 9mm, the suture needle main body is provided with a threaded hole, and the needle tip end is connected with the suture line. A threaded rod corresponding to the threaded hole is arranged on the needle tip end, a reinforcing coating is coated on the needle tip end, and a plurality of suture needle bodies are arranged on the suture needle body. Through the arrangement of the threaded rod and the threaded hole, the needle tip end and the suture needle body are divided into two parts, the needle tip end can be independently replaced, the needle tip end is coated with an aluminum oxide coating, the strength of the needle tip end is guaranteed, and the outer surface of the needle tip end is smoother; the reinforcing rib is arranged in the open slot, so that the strength of the suture needle main body is ensured, and meanwhile, the situation that the surface of the suture needle bulges due to the use of the reinforcing rib and the suture effect is influenced is avoided.

An Achilles tendon repair device comprises a handle for physician gripping and base having a first set of tendon rods disposed in an arcuate or U-shaped pattern about the base to engage the posterior surface of the tendon and impart a contour, or drape, the tendon in the posterior-anterior plane to increase the surface area for suturing. A second set of suture guide rods extend from the sides of the base and are spaced apart to allow insertion of suture needles along the entire length of the suture guide rods, and at any angle. A suture needle housing guide can be slidingly attached to the suture guide rods and includes sidewalls with predefined suture holes / angles. An adjustable clamping arm can engage the tendon's posterior surface such that the device grasps the tendon on both the anterior and posterior tendon surfaces simultaneously, while increasing posterior-anterior plane surface area to facilitate suturing.

The invention belongs to the field of medical instruments, and discloses an electromagnetic drive blood vessel stitching instrument which comprises a guide rod, and one end of the guide rod is rotationally sleeved with a shell sleeve; the end, away from the shell sleeve, of the guide rod is connected with a first disc and a second disc which are coaxial with the guide rod. The first disc is located at the end, close to the shell sleeve, of the second disc. Needle cylinders are fixed on the first disc and the second disc, the two needle cylinders are coaxially arranged, the central axes of the needle cylinders are parallel to the central axis of the guide rod, a fixed offset distance is kept between the central axes of the needle cylinders and the central axis of the guide rod, the ends, close to each other, of the two needle cylinders are open, a suture needle coaxially arranged with the guide rod is arranged between the two needle cylinders, and the two axial ends of the suture needle are conical; through the arrangement of the guide rod, the first disc, the second disc and the electromagnetic driving mechanism and the cooperation of the design that the two axial ends of the suture needle are conical, a circular or oval blood vessel wound can be sutured conveniently, so that the purpose of rapidly and accurately suturing the blood vessel wall wound is achieved, and the suturing work efficiency is effectively improved.

Provided is an anastomosis arrangement for joining two opposite stumps of a tubular organ in a streamlined anastomosis procedure. The arrangement includes a pair of axially symmetric stump-coupling members that accommodate pairs of counterpart suturing needles, linked together by common suturing threads, and manipulable by a needle-manipulation element to extract the needles tips from the stump-coupling members for piercing walls of the stump.

The utility model provides an endoscope clamping type arc-shaped needle puncture device, which is characterized in that a clamping control piece controls a matching space of a locking piece to be tightened, so that the locking piece is fixedly connected with an arc-shaped suture needle; the rotating control piece controls the connecting piece to rotate relative to the mounting frame from the initial position, and the connecting piece drives the arc-shaped suture needle to rotate relative to the shell so that the arc-shaped suture needle can penetrate through the mucosal tissue of the human body. After the connecting piece moves to the final position, reverse operation is carried out to enable the connecting piece to return to the initial position, and the operation is repeated for multiple times so that the arc-shaped suture needle can repeatedly rotate by 360 degrees to suture the mucosal tissue of the human body; due to the fact that the locking piece can be fixed to any position of the arc-shaped suture needle, the arc-shaped suture needle can be driven to rotate by any angle, the precision requirement for matching between the locking piece and the arc-shaped suture needle is lowered, and when the arc-shaped suture needle punctures a hard human mucosa tissue and is blocked or the rotating stroke is not enough, the arc-shaped suture needle can be driven to rotate by any angle. The locking piece can timely adjust the fixed position point so as to provide enough puncture force and rotation stroke for the arc-shaped suture needle.

A centrally coordinated and synchronized robotic system for robotic sewing procedures, such as bilateral spinal robotic sewing procedures, includes multiple robotic arms and a controller that can manipulate the robotic arms to position tools, end effectors, cameras, or navigation elements, such as a suturing needle and a marker or label for use in a robotic sewing procedure. The markers or labels may be placed on different tissue portions, including for example skin and surgically exposed tissue, to help guide the robotic arms and deployment of the markers to perform bilateral robotic sewing.

The invention provides an intelligent decision-making method and system for free flap riser anastomosis based on hemodynamics. According to the method, firstly, the blood flow direction, the flow speed and the blood vessel wall tension parameter of a target blood vessel are collected, and a dynamic correlation model of intravascular fluid mechanics and external tissue deformation is established; a three-dimensional blood flow pressure gradient map is generated based on the model, then, a system automatically screens an anastomosis path meeting a blood flow resistance threshold value and the endothelial cell survival rate requirement, and the optimal anastomosis pose is determined by analyzing the blood vessel wall elasticity matching degree and the turbulence generation probability. Then, guiding the accurate adjustment of the clamping direction of the blood vessel and the suture needle pitch in the operation, ensuring that the pressure of the lumen of the anastomosed blood vessel is kept balanced when the anastomosed blood vessel is axially stretched, meanwhile, effectively inhibiting local vortex, and remarkably improving the long-term smoothness of the anastomosis of the blood vessel. According to the method, mechanical precise matching and blood flow stable control of free flap vascular anastomosis are achieved, and the postoperative risk is remarkably reduced.

The invention relates to the technical field of needle searching devices, in particular to an operating room ground needle searching device structure which comprises a needle searching magnetic ring and further comprises a holding handle arranged on one side of the needle searching magnetic ring. The suture needle can be directly taken out by holding the handle, if the suture needle is clamped in the gap, the needle searching magnetic ring can be directly attracted to the suture needle when getting close to the suture needle, if the medical worker continues to control the holding handle to move, the needle searching magnetic ring can be automatically separated from the position between the baffle and the connecting pipe, and the guide rope is pulled out through the auxiliary plate and the auxiliary rod; when a medical worker finds that the guide rope is pulled out, the medical worker can find the suture needle clamped in the gap along the guide rope, the medical worker can be rapidly helped to find the suture needle, and the suture needle can be searched for the position, which cannot be observed by the medical worker, in the gap.

The application provides a suturing mechanism and a biological tissue closure device, the suturing mechanism comprising a base, a needle holder, a suturing needle, a first driving assembly and a second driving assembly; the needle holder is rotationally connected with the base, the first driving assembly is connected with the needle holder and can drive the needle holder to rotate relative to the base to an open state or a closed state; the side of the needle holder away from the base has a boss, the inner contour of the boss matches the outer contour of the suturing needle, and is used for providing a motion track for the suturing needle; at least a part of the second driving assembly can abut against the suturing needle and can self-rotate relative to the axial direction of itself, so as to drive the suturing needle to move along the motion track. The application can realize the closure of various sizes of objects to be closed (for example, a blood vessel wound), and can realize multiple needle penetrating actions through one intervention, so that a better closure effect can be achieved.

The suturing device further comprises an actuating assembly, a needle base, a first supporting piece and a second supporting piece, the first supporting piece is movably connected with the needle base, the needle base is connected with a suturing needle, the actuating assembly and the needle base are detachably connected in the direction perpendicular to the axial direction, when the suturing needle stretches out, the far end of the suturing needle can be connected with a suturing arm, and when the suturing needle stretches out, the far end of the suturing needle can be connected with the suturing arm. After the actuating assembly and the needle seat are connected, the first supporting piece is located outside the needle seat, the second supporting piece is located outside the actuating assembly, the straight line in the axial direction where the first supporting piece is located and the straight line in the axial direction where the second supporting piece is located are oppositely arranged in the direction perpendicular to the axial direction, and the first supporting piece and the second supporting piece are used for supporting the actuating assembly and the needle seat in the direction perpendicular to the axial direction. The actuating assembly and the needle seat which are connected with each other can axially move between the first supporting piece and the second supporting piece, when the first supporting piece moves towards the near end, the first supporting piece drives the needle seat to move towards the near end, and the needle seat drives the actuating assembly to move towards the near end until the actuating assembly is separated from the needle seat.

Provided is a suturing device with which a suturing needle can penetrate even if the width of a sewing-target part is small and the thickness of an edge section of the sewing-target part is thick. A suturing device 10 includes: a needle support tool 20 having an insertion part 21 to be inserted into a sewing-target part 1; and a suturing needle 30 which is supported by the needle support tool 20 and to which one end of a suture thread 5 is connected. The suturing needle 30 extends linearly and has, at a distal end thereof, a puncturing part 32 that punctures the sewing-target part 1. The suturing needle 30 is supported by the needle support tool 20 such that a proximal-end part 31' of the suturing needle in the extension direction thereof is separated from a distal-end part 21' of the insertion part 21 in the extension direction thereof and such that the puncturing part 32 is oriented toward a proximal end 21b of the insertion part 21 in the extension direction thereof. The puncturing part 32 punctures an edge section 2 of the sewing-target part 1 from a rear side 4 toward a front side 3.

An apparatus and method for minimally invasive suturing is disclosed. A suturing device for minimally invasive suturing includes proximal section having a proximal end, a distal end, and a longitudinal axis therebetween, a suture head assembly extending from the distal end of the proximal section; a suturing needle having a pointed end and a blunt end, the suturing needle capable of rotating about an axis approximately perpendicular to a longitudinal axis of the proximal section, wherein the pointed end of the suturing needle is positioned within the suture head assembly prior to and after rotation of the suturing needle, and an actuator extending from the proximal end of the proximal section to actuate a reciprocating needle drive having a needle driver for engaging and rotating the suturing needle.

The invention discloses a pre-bending type suturing surgical robot, and belongs to the technical field of surgical suturing, the robot comprises a suturing needle, the front end of the suturing needle is of an arc-shaped structure, the tail end of the suturing needle is connected with a first sliding table, a clamping module is installed at the end of the suturing needle in a matched mode, and the suturing needle is of a detachable structure composed of a needle rod and a needle tip; the needle rod is connected with the first sliding table, the clamping module comprises a first mechanical arm and a second mechanical arm which are the same in structure, the first mechanical arm and the second mechanical arm are clamped at the front end of the suture needle, and a third sliding table and a second sliding table are installed at the tail end of the first mechanical arm and the tail end of the second mechanical arm respectively for driving to achieve opening and closing. The design of the suture needle of an arc-shaped structure enables the robot to be flexibly operated in a narrow and complex operation environment, the manipulator clamping module is driven by the sliding table to achieve accurate opening and closing, accurate control over the suture action is guaranteed, and the problem that a traditional suture instrument is difficult to operate in a bending space is solved through the pre-bending design.

The invention discloses a knotter for laparoscopic minimally invasive surgery suture, and relates to the technical field of surgical instruments. The device comprises a handle, a guide rod is fixedly connected to one side of the handle, a clamping plate is fixedly connected to one side of the guide rod, and an adjusting plate is arranged at the bottom of the clamping plate; and a cutting assembly is arranged in the clamping plate and comprises a moving frame, the moving frame is slidably connected into the clamping plate, and a cutting knife is fixedly connected to one side of the moving frame. Through the arrangement of the clamping assembly, when a medical worker holds a handle with a hand, a suture line can be clamped through an adjusting plate and a clamping plate, the position of the clamping plate is fixed, when the suture line is clamped, the adjusting plate can be driven by a moving pipe to rotate with a fixing shaft as the axis, and when the adjusting plate is attached to the clamping plate, the suture line can be fixed; and then medical personnel hold another clamp to move the suture needle to suture the surgical wound of the patient, and knotting is carried out in cooperation with the clamping plate.

A composite suture needle configured for passing through a smaller cannula used in minimally invasive surgery includes a curved elongated body made of stainless steel. The curved elongated body has a proximal end and a distal end with a pointed tip. The composite suture needle includes a sheath covering the curved elongated body. The sheath is curved so as to conform to the shape of the curved elongated body. The sheath is made of a more flexible material than the curved elongated body. The pointed tip of the curved elongated body extends distally beyond a distal end of the sheath. The curved elongated body is made of stainless steel and the sheath is made of a more flexible material such as nitinol than the elongated body.

The present invention relates to the field of medical devices, and specifically to a minimally invasive surgical modular deformable suture needle and its morphology control method. The present invention realizes a small diameter of the needle body under the premise of ensuring overall safety by differentially connecting the deformation control unit in parallel, and the needle body segment has the ability to independently and controllably continuously deform in each degree of freedom and direction, and can quantitatively control the dynamic deformation in the surgical object through external voltage or thermal power input during the suturing process, with high suturing efficiency and strong device deformation ability. The main steps include constructing a differential parallel flexible deformable needle body, constructing a minimally invasive surgical modular deformable suture needle, quantitatively expressing the bending deformation characteristics, establishing a single-segment morphology control model, and coherent morphology control, which overcomes the limitation that traditional minimally invasive surgical instruments are difficult to smoothly perform turning, moving forward, retreating, and other actions in the complex environment of the surgical object.

The invention discloses synchronous machining equipment for insections of needle forceps, which belongs to the technical field of needle forceps machining and comprises a machining table for synchronously machining two forceps handles, two groups of assembly frames are arranged on the machining table, and four mounting seats are mounted on the assembly frames. Through the arrangement of the tooth adjusting assembly, the cooperation of the adjusting rack, the adjusting gear and the assembling frame can be used for forcing the double clamp handles to move and deflect completely synchronously, the insection phase difference caused by traditional split machining is eliminated, and tooth dislocation after assembly and clamping needle slipping in the clinical use process are avoided; wet friction testing can be carried out in the state that the two forceps handles are assembled, puncture resistance similar to dermis is provided by simulating a tissue membrane, whether clamping force for machining insections is qualified or not is judged according to whether a drop point is deviated or not after puncture of a suture needle, and whether the lateral slippage risk of the suture needle is high or not is judged according to whether an elastic membrane is deformed or not, so that detection is more comprehensive.

The invention discloses an abdominal cavity suture needle assembly and a suture method thereof.The suture needle assembly comprises a suture needle (10), the suture needle (10) comprises a needle head (11) and a needle body (12) connected with the needle head (11), a penetrating hole (123) is formed in the end, away from the needle head (11), of the needle body (12), an expansion body (13) is further arranged on the needle body (12), and when the suture needle (10) punctures an abdominal cavity tissue (200), the expansion body (13) expands the penetrating hole (123); the expansion body (13) can be switched between a contraction position where the expansion body (13) is contacted with a tissue piercing port to contract and an expansion position where the expansion body (13) is arranged in the tissue to expand; the sewing thread (20) is matched with the penetrating hole (123); wherein the sewing needles (10) are sequentially arranged at intervals along the two sides or the circumferential edge of the abdominal cavity notch (210), and the sewing threads (20) sequentially penetrate through the sewing needles (10) located on the two sides or the circumferential edge of the abdominal cavity notch (210).

The utility model relates to a temporal muscle suturing and fixing device for neurosurgery, which is characterized in that at least one suturing line is connected onto a screw, and the other end of each suturing line is connected with a suturing needle. The device has the beneficial effects that the screw is directly fixed on the skull; the needle holder is provided with a suture needle to suture temporalis, and the suture needle is removed; the thread on one side of the screw and the thread on the other side of the temporalis can be knotted, fixation after the temporalis is cut open in a neurosurgery operation can be effectively completed, poor fixation of the temporalis is avoided, temporalis atrophy of a patient after an operation is avoided, psychological stress brought to the patient due to unattractive appearance caused by amyotrophy on one side after the operation is avoided, the design is simple and practical, and practicability is high. The device can be popularized to be used in various intracranial operations.

The invention provides a visual assistance method for a suture needle body, electronic equipment and a storage medium, and is applied to the technical field of image processing. The method comprises the following steps: acquiring depth information of a suture needle body action area in a current frame image, and acquiring a binary mask of a suture needle body in the current frame image; constructing a complete suture needle body three-dimensional track based on needle body geometric prior constraints and binary masks, and obtaining a complemented three-dimensional tubular needle body model; for a second pixel point on the three-dimensional tubular needle body model, according to the three-dimensional depth of the second pixel point under the camera coordinate system and the three-dimensional depth of the first pixel point corresponding to the second pixel point, determining a position shielding relationship between the second pixel point and the action area of the suture needle body; based on the position shielding relation and the three-dimensional tubular needle body model, providing visual assistance corresponding to the suture needle body. The visual auxiliary device is used for improving the visual auxiliary effect facing the suture needle body, and then the precision and reliability of surgical operation are improved.

The application provides a suture device, a treatment device with the suture device and a treatment equipment. The suture device comprises a main housing, a suture needle, a needle feeding assembly and a needle preventing assembly. The suture needle is slidably arranged in the main housing. One end of the suture needle is connected with a suture thread, and the other end of the suture needle is a pointed end. The needle feeding assembly is arranged in the main housing and comprises a driving member, a reset member and a needle feeding tooth. The needle feeding tooth is in a separable engagement with the suture needle. The driving member acts on the needle feeding tooth and the suture needle in the engagement state, controls the suture needle to advance and causes the reset member to deform. When the driving member is released, the engagement between the needle feeding tooth and the suture needle is released, and the reset member drives the needle feeding tooth to reset. Alternatively, the driving member acts on the needle feeding tooth relative to the suture needle in the engagement release state and causes the reset member to deform. When the driving member is released, the needle feeding tooth is engaged with the suture needle, and the reset member drives the needle feeding tooth and the suture needle to advance. The needle preventing assembly is arranged in the main housing and prevents the suture needle from retreating.

A laparoscopic suturing device is provided. The suturing device can pass a suturing needle back and forth between jaws of a jaw assembly to suture tissue at a surgical site in a minimally invasive procedure. The jaw assembly can have a pivotable jaw member in each jaw to position the jaw assembly and needle in a low-profile stowed configuration for insertion through a low diameter surgical port. The jaw assembly can be actuated by a handle assembly that provides simultaneous needle passing from a driving jaw to a receiving jaw and latching the needle within the receiving jaw in a single trigger cycle.20 24 22 73 26 15 O ct 2 02 4 A B S T R A C T O F T H E D I S C L O S U R E 2 0 2 4 2 2 7 3 2 6 1 5 O c t 2 0 2 4

The utility model discloses a multi-angle suture needle holder for a pleuroperitoneoscope, which relates to the technical field of medical instruments, solves the technical problem that an existing device is not easy to operate by a single hand and is inconvenient to use, and comprises a first handpiece, a second handpiece, a first needle holding rod, a second needle holding rod and a first needle holding clamp, the first needle holding rod is in sliding connection with the second needle holding rod, one end of the first handpiece and one end of the second handpiece are hinged to one end of the first needle holding rod and one end of the second needle holding rod, the other end of the first needle holding rod is connected with a first needle holding clamp, the other end of the second needle holding rod is connected with a second needle holding clamp, and the lower end of the first needle holding clamp is hinged to the upper end of the second needle holding clamp. The single-hand needle holding device has the advantages that the single-hand needle holding device can be operated by one hand, and the single-hand needle holding device is convenient to use and the like.

The temporomandibular joint disc suture needle with the holding structure comprises a needle tube main body, and the two ends of the needle tube main body are a puncture end and a propelling end respectively. The holding mechanism is used for forming a transverse holding type holding structure, the propelling mechanism is used for suturing the joint disc, the puncturing mechanism is used for puncturing and anchoring the joint disc, the holding mechanism is arranged on the side portion of the needle tube body, and the propelling mechanism is assembled at the propelling end of the needle tube body. The needle tube has the advantages that the holding mechanism is arranged, the holding mechanism and the needle tube body jointly form a T-shaped transverse holding type holding structure, an operator can hold the needle tube conveniently, the situation that the operator exerts force difficultly during suturing is avoided, and it is guaranteed that fine suturing operation is carried out smoothly; the propelling mechanism is arranged to be matched with the puncture mechanism, the anchoring part can be stably pushed to the designated position of the temporomandibular joint disc, anchoring of the suture line can be achieved through one-time pushing, and operation is easy.

The utility model relates to the technical field of polishing machines for medical suture needles, and discloses a polishing machine for medical suture needles, which comprises a base case, a polishing barrel cover hook is fixedly connected to the outside of the base case, a polishing barrel cover is movably connected to the outside of the polishing barrel cover hook, and a barrel cover handle is fixedly connected to the top of the polishing barrel cover. The exterior of the base case is movably connected with a storage battery protective cover, a storage battery storage groove is formed in the storage battery protective cover, the interior of the storage battery storage groove is movably connected with a storage battery, the exterior of the storage battery is fixedly connected with a connecting cable, and the exterior of the connecting cable is movably connected with a cable connector; by arranging the polishing barrel cover hook, the polishing barrel cover can be conveniently operated through the polishing barrel cover hook installed outside the base machine box, when suture needles or polishing liquid is added into a barrel, the polishing barrel cover needs to be taken away through a barrel cover handle to be hung and stored, and therefore the use experience of operation is effectively and conveniently achieved.

The present invention discloses an annulus fibrosus suture device, belonging to the technical field of medical devices, and solves the technical problems of long suture time and poor adaptability of the annulus fibrosus suture device in the prior art. It includes a suture needle assembly, and the suture needle assembly includes a piercing member and a clamping seat; the piercing member includes a shuttle and a push rod, a grasping rod, a piercing needle and a sheath tube which are sleeved from the inside to the outside in sequence, and the shuttle is used for clamping the suture; a suture needle control assembly, which is used to drive the piercing member to penetrate the suture from the first side of the material to the second side, and then penetrate from the second side at another position of the material to the first side; the clamping seat is used to receive the shuttle on the second side of the material; a handle housing, which is used to fix the suture needle assembly and the suture needle control assembly, and includes a fixing part and a movable part movably connected to the fixing part. The annulus fibrosus suture device of the present invention can meet more demand scenarios, improve the suture success rate or shorten the suture time.

The invention discloses an abdominal cavity puncture stitching instrument, and belongs to the technical field of abdominal cavity puncture stitching equipment, the abdominal cavity puncture stitching instrument comprises a puncture needle head, a needle cylinder, a liquid taking tube, a stitching angle adjusting device, a stitching needle telescopic structure and a liquid extraction structure locking device, the puncture needle head is inserted into an abdominal cavity, the needle cylinder is connected with the puncture needle head in a clamping manner, and the liquid taking tube is fixedly mounted in the needle cylinder; the liquid extraction structure locking device is connected with the puncture needle head in a clamped mode, the liquid extraction structure locking device slides in the needle cylinder in a clamped mode, the suture angle adjusting device is clamped and hidden on the side wall of the needle cylinder, and the suture needle telescopic structure is installed in the suture angle adjusting device in a clamped mode. In order to solve the problems that the operation is still complicated and the suturing angle is relatively fixed when a current puncture mode and a current seroperitoneum drawing mode are switched, the invention provides the abdominal cavity puncture suturing instrument, the problems that the suturing angle cannot be adjusted and the puncture mode and the seroperitoneum drawing mode are inconvenient to switch are effectively solved, and the operation flexibility and the integration level of the whole equipment are improved.

A suturing catheter for reducing mitral insufficiency by applying suturing points percutaneously is provided. The suturing catheter has a catheter body provided with a distal end and at least one internal lumen, at least one U-folded suture filament with two free ends, each provided with a suture needle, a pair of stylets, each provided with a catch needle, the suture and catch needles being provided with a connecting portion that allows a catch needle to mechanically engage with a suture needle, and a lever having a stapling arm, from which the suture needles protrude. The stapling arm, together with the catheter body, from which the catch needles protrude, defines a catch zone for a flap of a mitral valve. An opposite operating arm, together with the catheter body, defines an operating zone of the lever.

A kind of suturing mechanism and surgical robot, the suturing mechanism includes rotatable suture assembly, thread adjusting assembly and suture needle, rotatable suture assembly is controlled to rotate, rotatable suture assembly includes first needle slot, drive slot, drive unit and first drive rope;First needle slot is configured to accommodate suture needle, drive slot is correspondingly arranged with first needle slot, drive unit is slidably arranged in drive slot, configured to drive suture needle, first drive rope is connected with drive unit, and along drive slot is arranged, configured to control drive unit to slide in drive slot, thread adjusting assembly is connected with the first drive rope, configured to: in the case where rotatable suture assembly is controlled to rotate, first drive rope is in tension state.This suturing mechanism can realize more stable, accurate drive operation.