174 results about "Surgical suture" patented technology

The invention discloses a surgical suture sample detection method, system, storage medium and device, and the method comprises the steps: obtaining a shot image of a suture sample, the shot image comprising a front image and a back image; after the shot image is preprocessed, a region of interest is extracted, and the region of interest corresponds to a binary suture region image; edge optimization is carried out on the region of interest, and defect detection is carried out on the optimized binary suture region image; and extracting a defect detection result, calculating a qualified rate to output a detection report, and binding the defect detection result with the current suture sample number for filing. Through double-camera design, the transparent conveyor belt and an optimized image processing algorithm, the problems of low detection efficiency, single-angle detection and insufficient data retention in the prior art are solved, and high-efficiency, comprehensive and real-time surgical suture quality detection is realized.

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.

The invention provides a surgical suture line with barbs and a preparation method thereof, and relates to the field of surgery and medical cosmetology, the preparation method of the surgical suture line with barbs comprises the following steps: S1, stamping on a suture line base material to form a plurality of barbs to obtain a suture line base material with barbs; s2, the suture line base material with the barbs is fed into a heated bending and shaping mold, and after cooling and curing, the surgical suture line with the barbs is obtained. According to the surgical suture line with the barbs and the preparation method of the surgical suture line, the barbs are formed on the suture line base material in a stamping mode firstly, then the base material with the barbs is heated, bent and shaped, the three-dimensional suture line with the barbs is integrally formed, cutting stress concentration is fundamentally eliminated, and the surgical suture line with the barbs and the preparation method of the surgical suture line with the barbs are obtained. And the mechanical interlocking effect generated by the three-dimensional configuration is combined, so that the connection reliability of the barb and the body of the suture line is remarkably improved.

The utility model discloses a pediatric surgery suture needle management auxiliary device which comprises a box body, a plurality of containing grooves are vertically formed in the top of the box body, a push-out assembly is arranged in each containing groove, a limiting assembly is arranged on a lifting body, and the pediatric surgery suture needle management auxiliary device is provided with a rectangular hole, a round rod, a rubber ball body and a needle inserting hole. When the operation suture needles in the needle inserting holes in the lifting body need to be taken, the rubber ball body is pushed to drive the round rod to move upwards, the round rod drives the lifting body to move upwards in the containing groove, at the moment, the operation suture needles inserted into the lifting body are in a row, and at the moment, the operation suture needles can be conveniently and rapidly taken out of the needle inserting holes; and the situation that the surgical suture needles are gathered together and cannot be quickly taken is prevented.

A double-needle bidirectional barb surgical suture with a buckle ring in the middle comprises a single suture, suture needles are arranged at two ends of the suture, barb suture bodies on two sides of the suture are respectively provided with barbs with barbs pointing to the middle, the buckle ring is arranged in the middle of the barb suture bodies, and the barb suture bodies are made of absorbable materials. After the sutured first needle is used for suturing the tissue, the suture needle on one side penetrates into the buckling ring and then is tensioned, so that the first needle is used for suturing the tissue and is locked, and tissue damage caused by excessive traction of the barb line on the other side of the buckling ring towards the barb opening direction in the traction process when the suture needles on the two sides are continuously used for suturing the tissue subsequently can be avoided; by means of the device, the suture line can be conveniently pulled to twist the intestinal canal in the surgical anastomosis operation process of the gastrointestinal tract, so that an operation operator can conveniently suture the lateral and dorsal intestinal walls, and the gastrointestinal tract operation, especially the gastrointestinal tract anastomosis under a laparoscope, can be facilitated.

The invention provides a corneal limbus stem cell in-situ repair microneedle array patch and a preparation method and application thereof.The corneal limbus stem cell in-situ repair microneedle array patch comprises a biocompatible backing layer and a microarray layer arranged on the biocompatible backing layer, microneedles of the microarray layer are of a conical structure, the height is 100-300 micrometers, the vertex angle is smaller than 30 degrees, and the thickness of the microneedles of the microarray layer is 10-30 micrometers. And a nano-scale porous structure for loading cornea stem cell suspension is arranged in the cornea stem cell support. Through precise geometric design, biomimetic material selection and spatial arrangement optimization, in-situ delivery, microenvironment activation and tissue fusion in a corneal limbus area are realized under the condition of not depending on in-vitro amplification and surgical suture, and the method becomes an important direction for promoting LSCD minimally invasive treatment strategy innovation.

The invention relates to a high-antibacterial absorbable medical suture and a preparation method thereof, and belongs to the technical field of medical materials. According to the suture line, PPDO serves as a base material, PLGA is introduced to wrap TCS through a melt blending and spinning technology, and a TCS-coated PLGA core-shell structure antibacterial agent is prepared. A gradient degradation release system is constructed by utilizing the characteristic that PLGA is faster in degradation than PPDO, so that TCS is slowly and continuously released, and the defects of explosive release and insufficient later concentration of drugs in a traditional direct blending method are overcome. Meanwhile, the core-shell structure effectively avoids destructive pores formed in a PPDO matrix due to rapid dissolution of drugs, and greatly maintains the mechanical integrity of the matrix, so that the suture line can provide stable supporting force similar to that of a pure PPDO line in a key healing period in vivo, and the synergism and unification of long-acting antibacterial property, lasting mechanical supporting property and high operation reliability are realized.

The invention relates to a device for a medical instrument for applying a surgical suture, comprising a base unit (1) to which two jaws (2a, 2b) are pivotably attached, each jaw having at least one needle holder which can be switched between a locking position and a release position in order to releasably hold a needle (3). Provided in the base unit (1) is a hydraulic cylinder (5) with a front piston (6) which is connected to a transmission mechanism which actuates a switching element which switches the needle holder between the locking position and the release position. A rear piston (7) controls the movement of the jaws (2a, 2b).

The utility model relates to the technical field of medical instruments, in particular to a surgical suture needle convenient to exert force in thick and tough skin suture. The pressing part is in a straight line shape or a shape similar to a straight line; the fulcrum part is connected to the front end of the pressing part, and the fulcrum part is in a J shape; the force arm part is connected to the front end of the fulcrum part, and the force arm part is in a linear shape or a linear-like shape; and the needle tip is connected to the front end of the force arm part. The surgical suture needle has the advantages that needle holding forceps can be separated, and manual suture can be achieved; force can be conveniently exerted in the process of suturing the thick and tough skin, and compared with a common needle, the needle holder has great advantages in the process of suturing the skin through needle holding forceps.

The utility model discloses a surgical suture needle storage box with high sealing performance, which comprises a storage box main body, a plurality of auxiliary mechanisms are hinged to the upper end of the storage box main body, a sealing mechanism is fixedly arranged in the middle of the interior of the storage box main body, and a silica gel pad is fixedly arranged at the lower end of the interior of the storage box main body. A plurality of needle grooves are fixedly formed in the upper end of the silica gel pad. According to the storage box, through the design of the auxiliary mechanism, the auxiliary mechanism is connected through magnetic attraction of the first magnetic attraction block and the second magnetic attraction block, the lifting cover can be tightly attached when the needle taking opening is closed, dust and impurities are prevented from entering the lifting cover, meanwhile, the sealing performance of the needle taking opening is further enhanced through the first sealing ring, and the needle taking opening is prevented from being damaged. Due to the design of the needle taking opening, the needed suture needle can be conveniently taken out in the operation process, the box cover does not need to be completely opened, the time that the suture needle is exposed in the external environment is shortened, and the sealing mechanism is matched with a sealing protruding block through a sealing groove formed in the sealing mechanism.

The invention discloses a surgical suture needle with a suture for annular cervix suture, and relates to the technical field of medical instrument research, the surgical suture needle comprises a needle body, a needle head arranged at the front end of the needle body, a connecting mechanism movably mounted at the rear end of the needle body and a connecting suture line connected to the connecting mechanism, and a threaded opening is formed in the rear end of the needle body; the connecting mechanism comprises a connecting assembly and a threaded column fixed to the upper end of the connecting assembly, the threaded column is installed in the threaded opening in a threaded connection mode, the connecting assembly is attached to the rear end of the needle body, and one end of the connecting suture line is limited in the connecting assembly; according to the device, the needle body and the connecting mechanism are in detachable threaded connection, and the connecting suture line is indirectly connected to the needle body through the connecting mechanism, so that the connecting suture line can be indirectly connected to suture needles with different lengths, and an operator can select the suture needle with the corresponding length to perform an operation according to the condition in the operation; operation efficiency is improved, and operation risks are reduced.

The invention belongs to the technical field of medical instruments, and particularly relates to an absorbable suture and a preparation method and application thereof. Two coatings are loaded, from inside to outside, the first coating is the rapamycin coating with the anti-scar effect, the second coating is the artemisinin coating with the antibacterial and anti-inflammatory effects, and stable loading and slow release of the rapamycin medicine and the artemisinin are achieved through the structure of the two coatings. The suture can release artemisinin in the surgical suture incision inflammation period, infection is prevented, and inflammatory response is reduced. The rapamycin is released in a surgical suture incision scar proliferation period, so that scar proliferation of a surgical incision is prevented and reduced.

The application discloses a round piece type surgical suture needle recycling and counting device, and relates to the technical field of operating room nursing auxiliary supplies.The device comprises a round piece body, and the upper surface of the round piece body is provided with a pressing guide area.The elastic fixing layer automatically clamps the suture needle through the pressing guide area, and one-handed operation is simple and convenient.The suture needle tip is pressed down to push the arc-shaped color plate to slide out through the pressing and rotating structure in the color development prompt assembly, and the use state is clearly displayed.The state check can be completed by scanning after or during the operation, the problem that the counting of the sharp instrument box is not intuitive is effectively solved, the device is suitable for metal and non-magnetic suture needles, the elastic fixing layer can adapt to suture needles of different specifications, the material limitation of the magnetic plate is avoided, each round piece is provided with an independent number, and the round pieces can be connected into a group through a buckle assembly.Nurses can quickly count the number of suture needles according to the number of the used round piece and the state of the color plate, and it is not necessary to pull out the suture needles one by one.The overall structure is small and compact, the device is low in cost as disposable sterile consumables, and is convenient to use.

The utility model discloses a disposable non-absorbable medical suture line, which belongs to the technical field of medical suture lines, and comprises a spring fastener hung at the tail end of a suture needle, one end of the spring fastener is fixedly connected with a sleeve, a groove is arranged at the front end of the sleeve close to the top, and the other end of the sleeve is fixedly connected with the spring fastener. The other end of the spring buckle is hung in the rectangular groove in the tail portion of the suture needle through the medical forceps clip, the tedious process that medical staff penetrate through a needle hole in the operation process can be omitted, operation is more convenient and faster, and therefore the operation efficiency is further improved; meanwhile, the arc-shaped spring buckle is clamped in the groove, the position of the arc-shaped spring buckle can be further limited, and therefore the spring buckle is prevented from falling off from the tail of the suture needle during surgical suture, and the actual action effect is further improved.

A surgical suturing device is disclosed. The surgical suturing device may include a first or a second tissue gap, a first pair of needles configured to be movable across the first tissue gap, a second pair of needles configured to be movable across the second tissue gap, and a first suture having first and second ends. The surgical suturing device also includes a second suture having first and second ends and a needle actuator which selectively engages either: the first pair of needles to drive them through the first tissue gap and into communication with the first end of the first suture and the first end of the second suture, respectively; or the second pair of needles to drive them through the second tissue gap and into communication with the second end of the first suture and the second end of the second suture.

A surgical thread has a thread body with a self-sticking material configured to stick to a biological tissue upon contact with the biological tissue and / or an activator. An alternative surgical thread has a thread body and a coating that at least partially surrounds the thread body. The coating has or is made of a self-sticking material configured to stick to a biological tissue upon contact with the biological tissue and / or an activator. A surgical device or surgical kit can include the surgical threads.

The invention discloses a surgical suture production control method and device, electronic equipment and a storage medium, and relates to the technical field of surgical suture production. According to the control method, the feeding device is used for conveying an initial surgical suture, the feeding device is used for driving the surgical suture to move in the advancing direction, and the discharging device is used for periodically performing cutting and discharging operation on the surgical suture, so that the surgical suture is cut off. In the process of executing the cutting and conveying operation, the surgical suture periodically moves in the advancing direction, so that barbs in special shapes are formed on the two opposite sides of the surgical suture by the first cutting device and the second cutting device. According to the surgical suture cutting device, surgical sutures can be automatically produced, the first cutting operation and the second cutting operation are conducted at the same time, the first cutting device and the second cutting device run at the same time, and the production efficiency is improved.

This invention discloses a surgical suture needle, comprising: a needle body including a needle end, a needle middle, and a needle head connected to the needle middle; a threading component is provided on the needle end; and a bending assembly disposed on the needle head and the needle middle, including an outer winding layer wrapped around the suture middle and connecting edge rings disposed at both ends of the outer winding layer. A laser-driven flexible actuator is used to heat the filling material within the cavity, changing the volume of the filling material in the cavity through thermal load, thereby causing the expansion of a designated deformation frame, which in turn pushes the sides of the first bending indentation, thus achieving needle bending. Utilizing the characteristics of the deformation element, points on the needle can be heated, causing the deformation element to deform and bend the needle. This results in a simple structure, and the bending is performed non-contactly, ensuring that the needle is not contaminated by external tools during bending, and the bending force is controllable.

The invention discloses a broken blood vessel traction butt joint suture device which comprises an axial traction handle, a traction fixing block is fixedly connected to the end of the axial traction handle, a traction sliding block is connected to the axial traction handle in a sliding mode, a traction overhanging arm is fixed to the side face of the traction fixing block and the traction sliding block, and the traction overhanging arm and the traction fixing block are connected in a sliding mode. A blood vessel traction stitching instrument is detachably fixed to the front end of the traction overhanging arm, a sliding locking mechanism is fixed to the rear end of the traction sliding block, and the sliding locking mechanism can lock the sliding block to the axial traction handle. The device can be used for axially pulling and butting broken blood vessels at two ends together, and automatically locking the position after the blood vessels are pulled to a proper distance, so that surgical suture operation is facilitated; according to the device, a one-to-one corresponding suturing relation can be established for the suturing end sides of the two separated blood vessels, the blood vessels at the two ends can be conveniently punctured and sutured by a suturing needle, internal support is provided in the suturing process, and the internal support can be conveniently withdrawn after suturing to complete suturing and closing of the blood vessels.

The application discloses a suture removing auxiliary device for heart surgery and belongs to the technical field of surgical suture removing, which comprises a fixing device, a suture cutting device and a suture pulling device are arranged on the fixing device, the suture cutting device is used for cutting the suture on the skin, the suture pulling device is used for pulling the cut suture out of the skin, and the fixing device is used for adjusting the positions of the suture cutting device and the suture pulling device; the fixing device can adjust the positions of the suture cutting device and the suture pulling device in three directions of XYZ, the suture cutting device and the suture pulling device can reach the surgical part needing suture removing, and the fixing seat is installed above a sickbed to facilitate use; when the suture cutting device moves, the movable cutter and the fixed cutter are continuously opened and closed to cut the surgical suture on the skin, and when the suture cutting device moves, the suture pulling claw is driven to continuously pull the cut surgical suture out, the whole action is consecutive, the degree of automation is high, and the continuity is good.

The utility model relates to a pair of gripping forceps for changing the radian of a surgical suture needle, which belongs to the technical field of surgical gripping forceps and comprises a first forceps body and a second forceps body which are matched with each other, the first forceps body comprises a first gripping head, a first shaft section and a first holding part which are connected, and the second forceps body comprises a second gripping head, a second shaft section and a second holding part which are connected. The first forceps body and the second forceps body are hinged through a shaft pin arranged between the first shaft section and the second shaft section, and sawtooth parts are arranged on the opposite clamping faces of the first clamping head and the second clamping head so as to change the radian of an operation suture needle. The sawtooth part comprises a first sawtooth branch part and a second sawtooth branch part, and the pitch between any two adjacent sawteeth in the first sawtooth branch part is smaller than the pitch between any two adjacent sawteeth in the second sawtooth branch part. Compared with the prior art, the clamping forceps provided by the utility model have the advantages that the radian of the suture needle can be quickly and uniformly adjusted, so that the surgical suture needle is suitable for the requirements of abdominal cavity puncture devices with different diameters.

A surgical suture includes an elongated core comprising a plurality of bundles of bio-composites of fibers made from Agave americana plant leaf. A surgical bio-suture material core from Agave americana plant fibers has two ends and one end combined with a surgical needle.

The utility model discloses a surgical suture line forming device which comprises a male die assembly and a female die assembly, the male die assembly comprises a male die installation plate and at least two sets of male dies, the female die assembly comprises a female die installation plate and at least two sets of female dies, and the section of each female die is in a barb line shape; a first inserting groove extending in the first direction is formed in the male mold mounting plate, and at least two groups of male molds are fixedly embedded in the first inserting groove in sequence; a second inserting groove extending in the first direction is formed in the female die mounting plate, the at least two sets of female dies are sequentially embedded in the second inserting groove, an elastic piece is further arranged in the second inserting groove, and in the initial state, under the action of the elastic piece, part of the area of the female dies is located on the outer side of the forming face of the female die mounting plate; a first limiting part is arranged on the forming surface of the male mold mounting plate and / or the female mold mounting plate, the first limiting part is suitable for being matched with the surface, oppositely arranged in the second direction, of the to-be-machined suture line so as to limit the position of the to-be-machined suture line in the second direction, and the second direction is perpendicular to the first direction. The barbed suture line forming device can achieve one-time forming of barbed suture lines.

The utility model discloses a suture passing handle, which belongs to the technical field of medical instruments and comprises a suture passing handle, and a suture conveying component used for conveying surgical sutures is mounted on the suture passing handle. The wire conveying assembly comprises a wire conveying device and a wire feeding device, the wire passing handle is connected with the wire conveying device and the wire feeding device, and the wire conveying device is connected with the wire feeding device; the right end of the thread passing handle is provided with a thread passing needle assembly used for feeding threads. A locking device used for locking the thread passing needle assembly is installed on the thread passing handle. Through the mode, the suture line is conveyed to the line conveying roller, so that the suture line conveying roller clamps and conveys the suture line conveniently, the threading efficiency is improved, an operation can be carried out in time, the suture line does not slide out of the tip end of the line passing needle by forming the line groove in the side edge of the line passing needle, and the operation is convenient. When a doctor sutures, the suture line cannot be abraded with the tip of the threading needle, so that the service life of the suture line is prolonged.

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.

The utility model discloses a side penetrating type medical operation suture needle which comprises a needle body, the needle body is of a half arc structure, one end of the needle body is a needle tip, the other end of the needle body is a needle tail, a needle hole is formed in the needle body close to the needle tail, a threading groove is formed in one side of the needle hole, and the gap of the threading groove is larger than the diameter of a suture line. Arc-shaped protrusions are formed on the inner walls of the needle holes in the two sides of the threading groove, so that the edge of the threading groove cannot draw and damage tissue and gloves of an operator in the surgical suture process, and the situation that a threaded suture line gets close to the threading groove and is disengaged is prevented.

The invention relates to the technical field of surgical suture instruments, solves the problems of high difficulty and poor suture effect in suture of a pseudo-hernia sac of groin straight hernia under the field of view of a laparoscope, and particularly discloses a suture needle for treating the pseudo-hernia sac of groin straight hernia under the laparoscope, which is characterized by comprising a needle head section, a needle clamping section and a needle tail section, the needle head section and the needle tail section are connected to the two ends of the needle holder clamping section respectively, the needle head section and the needle tail section are both in an arc shape, and the needle holder clamping section is in a linear shape. Wherein the arc-shaped central angle of the needle head section is 90 degrees, and the arc-shaped central angle of the needle tail section is smaller than or equal to the arc-shaped central angle of the needle head section; the needle head section is used for positioning a transverse suture puncture point or a longitudinal suture puncture point through a 90-degree arc shape. The suture needle disclosed by the invention is used for a peritoneoscope pseudo hernia sac suture operation of the straight inguinal hernia, and has the characteristics that a puncture point is convenient to position, the suture difficulty is reduced, and the suture effect is improved.

The utility model discloses a surgical suture conveying device and surgical suture production equipment, and relates to the field of medical surgical suture production. The surgical suture conveying device comprises a shell and a suture conveying mechanism, the shell is filled with inert gas, a suture leading-out hole is formed in the first side wall of the shell, and the shell is used for containing a suture bundle; the suture conveying mechanism is used for driving the surgical suture in the suture bundle to be output from the suture guide-out hole. Operation sutures penetrate through the suture leading-out hole, the suture bundle is connected with the suture conveying mechanism, the suture conveying mechanism can drive the operation sutures in the suture bundle to pass through the suture leading-out hole, and therefore the operation sutures are conveyed to the operation suture production equipment to be processed. The shell is filled with inert gas, so that the risk that the surgical suture in the suture bundle is oxidized can be reduced.

The invention discloses an embedded tooth traction device and method, and belongs to the technical field of orthodontic tools. The device comprises a bonding ring, a combined ring and a stress application unit, the bonding ring, the combined ring and the stress application unit are integrally made of orthodontic ligature wires, the bonding ring can be tightly attached according to the radian of the surface of an embedded tooth, the combined ring comprises a plurality of continuous ligature rings and can be adjusted in direction according to a preset track, and the stress application unit adopts TP elastic cotton threads or NITI wires to provide traction force. The traction method comprises the steps of surgical exposure of embedded teeth, sufficient hemostasis, acid etching and bonding, direction adjustment, surgical suture, closed traction, stress application, revival adjustment and the like. The problems that an existing traction accessory is low in sealing degree, prone to falling off, uncontrollable in traction direction, difficult in closed traction suturing and capable of damaging periodontium are solved, the traction accessory has the advantages of being firm in bonding, accurate in traction, minimally invasive, friendly, low in cost and convenient and fast to operate, the traction success rate of the embedded tooth can be effectively increased, and pain of a patient is relieved.