37 results about "Surgical suture" patented technology

The application discloses a knotting device and a blood vessel ligator. The knotting device comprises a gun body provided with a knotting groove and a knotting mechanism arranged in the knotting groove. The knotting mechanism comprises a spiral spring and an abutting piece abutting against the spring body of the spiral spring. The spiral spring has a hooking and pulling end and an extending end. The extending end is used for controlling the movement of the spring body of the spiral spring. The abutting piece is used for making the spring body of the spiral spring deform and stretch in the movement, so that the spring body of the spiral spring rotates. In the process of the rotation of the spring body of the spiral spring, the thread of the surgical suture hooked by the hooking and pulling end rotates around the surgical suture passing through the spring body of the spiral spring, so that the surgical suture forms a surgical knot. The blood vessel ligator comprises the knotting device. In the blood vessel ligator, the surgical suture can quickly form the surgical knot and the blood vessel can be tightly clamped by only operating the traction piece to pull the extending end of the spiral spring.

This invention discloses an intelligent winding device for surgical suture production, relating to the field of medical suture preparation technology. It includes a frame with a single-thread rotation detection mechanism fixedly connected to the middle of the frame. The single-thread rotation detection mechanism comprises a single-thread rotation component and a single-thread detection component. The single-thread detection component includes an electric cylinder. A second circular hole is opened above the base, located between four sets of first circular holes. The electric cylinder is located in the middle of the second circular hole and is smaller than the second circular hole. The electric cylinder is fixedly connected to a main gear below it. The output end of the electric cylinder is fixedly connected to a housing. Four sets of second electric cylinders are arranged inside the housing. This invention has the characteristic of real-time detection of breakage, knotting, and entanglement of single threads and twisted composite threads, allowing for timely cutting.

The utility model relates to the technical fields of operation suture needle storage, especially to an operation suture needle storage box, which pulls the cleaning mechanism out of the sealing mechanism, then puts the operation suture needle in the limiting mechanism, then resets the cleaning mechanism, then cleans the blood dirt on the operation suture needle through the cleaning mechanism, then the medical staff counts the number and type of the operation suture needle in the sealing mechanism under the light, thereby improving the practicability of the equipment, comprising a sealing mechanism, further comprising a limiting mechanism and a cleaning mechanism, the cleaning mechanism is installed in the sealing mechanism, and the limiting mechanism is installed on the cleaning mechanism, the sealing mechanism cooperates with the limiting mechanism and the cleaning mechanism to store the operation suture needle, and the cleaning mechanism cleans the operation suture needle.

A device includes a housing, a locking arm, and a spring, and is configured for use with a linear surgical stapler having a first stapler half and a second stapler half, the first stapler half having a frame and a clamping lever, and the second stapler half having a latching protrusion. The locking arm is rotatable between a locked position and a bypass position and is biased toward the locked position by the spring. In the locked position, the locking arm prevents the proximal end of the clamping lever, which is in a closed state, from engaging with the proximal end of the frame. In the bypass position, the locking arm allows the proximal end of the clamping lever, which is in a closed state, to engage with the proximal end of the frame. The locking arm changes from the locked position to the bypass position only when the latching protrusion is properly engaged by the clamping lever, which is in a closed state.

This invention discloses an instrument for connecting lymphatic vessels and blood vessels, comprising a vascular connecting tube, a connecting lumbar tube, and at least one connecting branch tube. The connecting branch tube includes interconnected primary and secondary branches, through which lymph fluid can enter the bloodstream. This instrument enables a stable connection between lymphatic vessels and blood vessels via the instrument itself, rather than relying solely on surgical sutures. This simplifies the surgical procedure, reduces the stringent requirements on the surgeon's skills, significantly reduces the difficulty and risk of the surgery, decreases the incidence of postoperative complications, improves patient recovery speed and treatment effectiveness, and provides a more convenient and reliable connection method, greatly enhancing the convenience, safety, and effectiveness of connecting lymphatic vessels and blood vessels.

The application discloses a surgical suture blanking device and a surgical suture production equipment, and relates to the technical field of surgical suture production. When the surgical suture blanking device is running, the rotating drive element drives the rotating shaft to rotate, drives the clamping mechanism to rotate, so that the clamping mechanism is away from the storage part, the mounting seat of the clamping mechanism drives the clamping assembly to be close to the surgical suture production mechanism, and the surgical suture is clamped through the clamping mechanism. After clamping the surgical suture, the rotating drive element drives the rotating shaft to rotate, drives the clamping mechanism to be close to the storage part, and the surgical suture is released through the clamping mechanism after the clamping mechanism is close to the storage part, so that the surgical suture falls into the storage part. In this way, the surgical suture blanking device of the application embodiment realizes automatic blanking production of the surgical suture, and improves the production efficiency.

The application provides a visible core-shell structure surgical suture and a preparation method thereof and a plug, and belongs to the technical field of visible surgical suture manufacturing. The preparation method of the visible core-shell structure surgical suture comprises the following steps: mixing a developing agent and a first high polymer material to form an inner core material; wherein the difference between the melting point of the developing agent and the melting point of the first high polymer material is less than or equal to 30 DEG C; the inner core material and a second high polymer material are respectively added into corresponding chambers of a double-screw extruder, and are sequentially subjected to extrusion, wire drawing and cooling and setting to obtain the visible core-shell structure surgical suture, which has relatively ideal developing performance and mechanical properties.

The utility model discloses a surgical suture line box, including box body and box cover, the box cover upper end is provided with the pressing plate cooperation with box cover edge, the bottom of box body is provided with the card needle mechanism, the card needle mechanism includes take needle boss, first clamping seat and second clamping seat, take needle boss fixedly set up on the bottom surface of box body, take needle boss on parallelly provided with first clamping seat and second clamping seat, and the suture needle body is set up in the box body through the fixed tooth on first clamping seat and second clamping seat. The box body is provided with the movable piece cooperation with the tail end of suture needle body, and the movable piece is arranged at the front end of take needle boss. The utility model discloses surgical suture line box, simple structure, practical function, clever design, effectively solved the suture needle fixed in the box body in the prior art, and the planar adhesion structure leads to the close adhesion of needle and base, makes the needle difficult problem of taking in actual use.

This invention discloses a polyglycolic acid (PGA) suture-silk suture composite braided surgical suture and its preparation method. The suture is composed of two absorbable surgical sutures (PGA) and two non-absorbable surgical sutures (silk threads) in a multi-strand braided structure. The silk threads are black in color, and their main component is silk fibroin with a molecular weight greater than 30,000. The PGA sutures are pre-dyed with D&C Violet No. 2 dye before braiding, and then heat-set and sterilized with ethylene oxide after braiding. This invention utilizes the dense structure formed by the multi-strand braid to effectively prevent wound exudate from seeping into the suture interior, reducing the corrosive effect of liquid on the internal materials. Simultaneously, through the synergistic composite of PGA sutures and silk threads, a coordinated match is achieved between the suture's mechanical strength and degradation characteristics, resulting in a suture that combines stable support with suitable degradability, better meeting the needs of general soft tissue suturing and ligation in clinical practice.

1. Name of the product in this design: Electric Surgical Suture Device. 2. Purpose of this design: For use in medical surgical suture devices. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The utility model discloses a surgical suture training model and simulation training device, including bottom plate, main control board, is equipped with at least two simulation suture incision on the bottom plate, and the inside of simulation suture incision is equipped with two opposite conductive detection elements, and the periphery symmetrical layout has a pair of metal contact, respectively as starting contact and end contact, and the main control board is arranged in the inside of bottom plate, and two conductive detection elements are respectively through the wire electricity connection main control board, and is equipped with timing module on the main control board, and starting contact and end contact electricity connection timing module. The utility model is used for laparoscope suture training, and the training effect of student is evaluated objectively and accurately.

Various embodiments of a suture tensionometer for measuring a tensile force applied to a surgical suture are disclosed herein.

1. The name of the design product: suture needle storage box. 2. The use of the design product: used for medical operation scene storage, storage of surgical suture needles. 3. The design points of the design product: in the overall shape design. 4. The picture or photo that best indicates the design points: perspective view.

The application discloses a suture feeding equipment, and relates to the technical field of surgical suture processing, which comprises a feeding chamber, a suture conveying device and a conveying device, the lateral wall of the feeding chamber is provided with an output port, the suture conveying device is arranged in the feeding chamber and is used for outputting surgical sutures from the output port, and the conveying device is arranged beside the feeding chamber and comprises a guiding and positioning mechanism and a driving conveying mechanism, the guiding and positioning mechanism is used for receiving the surgical sutures output from the output port, and the driving conveying mechanism is used for driving the surgical sutures to move in a specified direction. The application can improve the efficiency, stability and accuracy of surgical suture feeding.

A device for sensing a surgical suture can be implanted on a biological tissue, e.g. bone, to sense the tension applied to the biological tissue by the surgical suture. The device includes a carrier, a wireless sensor and a positioning pin. The wireless sensor is mounted on a carrier body of the carrier. A second connection portion of the positioning pin is movably pivoted to a first connection portion of the carrier. Thus, the wireless sensor can be rotated and / or swung with the carrier relative to the positioning pin to sense the surgical suture tension.

An apparatus includes a first elongated member and a second elongated member having a first suture surface and a second suture surface and configured to be releasably coupled together. A clamping member is movable from a first position to a second position to bring the suture surfaces into contact with and clamp tissue. A latching member is movable from an unlatched state to a latched state to releasably retain the clamping member in the second position. A firing assembly is actuated from an original position to fire a pin into the clamped tissue. When the clamping member is in the second position and the firing assembly is in the original position, the latching member is movable from the unlatched state to the latched state. When the clamping member is in the second position and the firing assembly is displaced from the original position, the latching member is prevented from movable from the unlatched state to the latched state.

This invention belongs to the field of polymer materials technology and discloses an intrinsically antibacterial nylon 66 material for large-scale surgical sutures and its preparation method. The material possesses excellent mechanical properties, a high melting point, and good wear resistance, while also exhibiting excellent antibacterial properties. Furthermore, the preparation method uses fewer raw materials, has a simple production process, and is suitable for large-scale production, making it well-suited for applications in the medical field.

FIELD: medicine.SUBSTANCE: invention relates to simulators for practicing skills of applying surgical sutures to the skin and techniques of tying surgical knots. The simulator includes a multi-layer cushion simulating human tissues, a simulation of vessels in the tissues, and has a rectangular shape with rounded edges measuring 20 by 15 cm and a height of 1.8 cm. The simulator is made of hypoallergenic polymers and contains four layers simulating human tissues - epidermis, dermis, subcutaneous fat, muscles. Vessels of various diameters, filled with a liquid imitating blood, run in the subcutaneous layer. A flap of PVC artificial leather having a skin texture, treated with liquid release wax IZHWAX SP, is placed on a platform with legs measuring 25 by 20 cm. A part in the form of a side 1.75 mm high, printed on a 3D printer, is placed on the flap. A nylon stretch mesh with a density of 110 g / m2 is stretched over the part. The stretch mesh is fixed to the platform with clamps. A part in the form of an outer side with 'ears' 17 mm high, printed on a 3D printer, is installed on the mesh. The entire structure is completely pressed against the base using clamps so that the nylon mesh remains stretched. Platinum silicone rubber of appropriate parameters is poured into a separate container. The components are mixed and coloured with a dye for epoxy resin, and after the last layer hardens, all the existing 3D-printed sides and other parts are separated. The excess stretch mesh is cut off.EFFECT: possibility of performing training of intramuscular injection, layer-by-layer dissection of the simulator layers with a scalpel down to the underlying layers and applying sutures in hard-to-reach places, in particular on the muscle layer, fascia, aponeurosis.1 cl, 1 dwg

The application discloses a suture discharging equipment, and relates to the technical field of surgical suture processing, which comprises a conveying device, a shearing device and a material collecting structure. The conveying device is used for receiving and conveying surgical sutures after barb cutting. The shearing device is arranged at the output end of the conveying device and is used for receiving the surgical sutures and cutting the surgical sutures. The material collecting structure is arranged beside the shearing device and is used for receiving the surgical sutures after cutting. The application can improve the discharging efficiency of surgical sutures and reduce the risk of contamination of surgical sutures.

This application provides a surgical robot and its control method and model training method. The method includes: acquiring a target video frame and target kinematic data of a robotic arm corresponding to the target video frame, wherein the target video frame includes a video frame of suturing surgery performed with a surgical suture needle, and the target kinematic data corresponding to the target video frame includes kinematic data of the robotic arm holding the surgical suture needle in the target video frame; inputting the target video frame and the target kinematic data into a trajectory prediction model to predict the target suturing trajectory of the surgical suture needle; the trajectory prediction model is trained based on sample video frames and sample kinematic data of the robotic arm corresponding to the sample video frames.

The utility model provides a medical suturing needle convenient for surgical suture thread to pass in belongs to medical instrument technical field. Including needle body, the one end of needle body is equipped with the main wire entry arc head that has set up wire slot, the one end of needle body is equipped with auxiliary wire entry arc head. The utility model discloses through setting up the limit of main wire entry arc head and auxiliary wire entry arc head makes the suture thread fast through the wire slot and passes in the wire slot, when the suture thread slides to the wire slot, make the suture thread enter the temporary wire slot, and the suture thread reverse pull because the arc shape of upper baffle, the suture thread moves along the lower surface of upper baffle, and the lower baffle is pushed to make the lower baffle deformation suturing needle enter the wire slot, can finish threading, can effectively prevent the suture thread that passes in accidentally pulls out and needs to find the problem of needle opening when threading, and after the suture thread enters, the upper baffle will be pushed by the rubber block and reset front end and the inside of wire slot, and the lower baffle also has the elasticity and automatically sticks to the upper baffle, thereby reducing the sharp edge of suture needle wire hole, and the sufferer will not bring the discomfort.

This invention discloses a fully lubricated and decompression-reducing medical surgical suture needle, belonging to the field of medical device technology. Existing smooth suture needles easily create a closed negative pressure when penetrating tissue, resulting in high needle insertion resistance and potential tissue compression damage. Traditional locally grooved suture needles cannot achieve full-length drainage, are not designed according to standard needle diameter classifications, and coated lubricated suture needles suffer from performance degradation and failure after repeated sterilization. This invention features a through-type V-shaped groove on the main force-bearing surface of the needle body, configured with four cross-sectional structures, matching the groove depth and layout angle according to the standard nominal diameter of the medical suture needle, and avoiding the needle tip puncture section and the needle tail threading section. During puncture, a small amount of tissue fluid on the surface can be drained to form a dynamic lubrication layer, breaking the puncture negative pressure and achieving fully lubricated and decompression puncture. All parameters of this invention comply with the YY / T 0166-2022 industry standard, exhibiting high structural strength, sterilization resistance, and ease of mass production. It is suitable for clinical use in multiple departments, effectively reducing intraoperative tissue damage and improving surgical suturing quality.

The utility model relates to the technical field of medical apparatus and instruments, especially a kind of storage device of non-absorbable surgical suture, including sterile sheet, multiple surgical drape are fixed on the upper surface of sterile sheet, sponge block is fixed in surgical drape inside front and back, non-absorbable surgical suture is arranged below the surgical drape in right side, and non-absorbable surgical suture is located between two sponge block and sterile sheet;The utility model is with sterile sheet as main body and is matched with flexible surgical drape, medical staff can quickly and directly see and use different suture, greatly improve the efficiency of use, and flexible, open structure is not easy to cause suture winding;Surgical drape inside front and back are fixed with medical polyurethane sponge, after adding water in advance, when extracting suture in operation, sponge can make suture present uniform wet state, simplify operation process, reduce pollution risk;Device can be folded multiple times, reduce volume and be placed in bag or pocket for carrying.

A bioelectronic surgical suture for monitoring suture tension includes a conductive material made of electropositive material, and a sleeve made of electronegative material. The sleeve is a hollow capillary, the conductive material is arranged in the sleeve through infusion, and is processed by a first laser scanning operation after infusion. An outer wall of the sleeve has a micro-nano structure manufactured by a second laser scanning operation.

This invention provides a medical surgical suture winding machine, relating to the field of medical consumables production technology, comprising: a device structure; a winding drive mechanism mounted on the device structure; a lower support frame mounted on the output end of the winding drive mechanism for supporting and fixing the suture reel; an upper suture reel positioning frame with a positioning plate fixedly connected to its top, the upper suture reel positioning frame and the lower support frame being detachably connected for clamping and fixing the suture reel between them; a connecting frame rotatably connected to the positioning plate via a first movable rotating shaft; and a follower winding arm assembly including a guide block, a telescopic track, a follower frame, and winding teeth. This invention drives the suture reel to rotate via the winding drive mechanism, and in conjunction with the follower winding arm assembly, automatically winds the suture into the suture groove, completely replacing manual winding operations, significantly improving winding speed and efficiency, and meeting the needs of large-scale medical consumables production.

The invention relates to a surgical suture made from hemp fibers, which exhibits wound-healing properties, high strength, durability, absorbency, antibacterial activity, and increased environmental benefits, as well as its method of production. These sutures are colored with organic walnut shell dye to make the thread more visible during surgery and sterilized for surgical use. The primary goal of these innovative sutures, subject to the invention, is to support the wound-healing process while reducing the risk of infection.

This invention discloses a polyethylene composite fiber, its preparation method, and its applications. The polyethylene composite fiber comprises ultra-high molecular weight polyethylene fiber and bioceramics, and can be used in surgical suture and repair products. This surgical suture and repair product is mainly used for bone suture and repair, promoting bone growth and repair at the wound site, which is beneficial for bone healing. This surgical suture and repair product has high strength, is safe and reliable, has good biocompatibility, promotes bone wound healing, and is not easily adhered to bone tissue, making it easy to remove.

This invention belongs to the field of suture technology, specifically relating to a drug-loaded suture and its preparation method. The drug-loaded suture provided by this invention includes a matrix and a drug loaded on the surface of the matrix; the matrix has a core-skin structure, the core layer of the matrix being polylactic acid filaments; the skin layer of the matrix is ​​a nanofiber membrane, the nanofiber membrane being composed of polycaprolactone and polyglycolic acid; the polyglycolic acid accounts for 10-90% of the mass percentage of the nanofiber membrane. The skin layer of the drug-loaded suture provided by this invention is prepared from two biodegradable materials with different degradation rates, polycaprolactone and polyglycolic acid. By limiting the ratio of polycaprolactone and polyglycolic acid in the skin layer, this invention can control the degradation cycle and drug release cycle of the drug-loaded suture, thereby adapting to different types of wounds with different healing times. Simultaneously, the core-skin structure of the drug-loaded suture provided by this invention provides excellent mechanical properties.

This application provides a drive structure for a surgical suturing instrument and a surgical suturing instrument. The drive structure is disposed in the handle housing of the handle portion of the surgical suturing instrument. The drive structure includes: a trigger rotatably disposed on the handle housing; a rack slidably disposed on the handle housing; a drive pawl movably connected to the trigger; and a mode switching mechanism, including a latch movably connected to the rack, an operable switching slider, and a limiting part fixedly connected to the switching slider. The switching slider drives the limiting part to move between a first position and a second position, so that the drive pawl can switch between a first drive mode and a second drive mode. When the limiting part switches from the first position to the second position, the limiting part switches from a state where it is locked within a preset stroke to a state where it is released from restriction, thereby switching the drive pawl from the first drive mode to the second drive mode.