117 results about "Wound suturing" patented technology

The invention relates to a suture line containing bioactive ingredients and a preparation method thereof. The suture line is prepared by a plurality of superfine fibers with biocompatibility through the coaxial cospinning technology and after-treatment, and the plurality of the superfine fibers are biodegradable materials, wherein at least one superfine fiber is a composite superfine fiber with acore-shell structure; a core comprises the bioactive ingredients; and a shell is a biodegradable material. The suture line containing the bioactive ingredients has the advantages that the suture linecontaining the bioactive ingredients aims to realize wound suture and avoid wound infection caused by secondary operation; the biodegradable materials are taken as substrate materials and as shell layer materials of the coaxial cospinning composite superfine fibers, and different bioactive ingredients are packaged into core layers; and the diameter, the structure and the mechanical property of the suture line and the release property of a medicine and so on are controlled by adjustment of the processing parameters, so that the prepared suture line meets the suture requirements of various different tissues, not only can suture the wound but also can reduce infection, and has the function of treatment.

The invention relates to a composite antibacterial material of graphene quantum dot and fibroin, preparation and application. The composite antibacterial material of graphene quantum dot and fibroin is characterized in that the mass ratio of the graphene quantum dot or doped graphene quantum dot to the fibroin is 1:1 to 1:10000; the doped graphene quantum dot is a non-metallic compound, a metallic compound or an organic compound, which contains a doping atom, has weak oxidization or reduction property, or is easy to coordinate; the concentration of a dopant is 0.01-10 mM; and the molecular weight of the fibroin is 1000-10000000 Da. The composite antibacterial material disclosed by the invention has the capability of greatly generating hydroxyl radicals having antibacterial capability under visible light or in a dark field; particularly, the composite material of B-doped graphene quantum dot and fibroin has excellent antibacterial capability; and thus, the composite antibacterial material used as an in-vivo antibacterial material or a wound suture material can be directly used in living bodies.

A device for use with a trocar in suturing trocar wounds with flexible needles. The device includes a ring encompassing the trocar positionable adjacent to a body wall. The ring, often a split ring, has a pair of guide channels passing through it, each channel including an entry hole and an exit hole. These guide holes are disposed symmetrically on the ring such that the two entry holes and the two exit holes form lines passing through the longitudinal axis of the trocar. The channels are curved near their respective entry holes. The guide channels are angled in the region of the exit holes so that when the needles exit the channels into the body wall and then the body cavity they are at a predetermined distance from the nearest point on the trocar. The above described device forms a suturing system with the trocar.

The present application discloses a bidirectional suture passing instrument arranged to vertically approach soft tissue, enabling safer and more efficient surgical repair, using minimally invasive techniques, and can be used, for example, in annulus repair, meniscus repair, shoulder arthroscopy Examination, hernia repair, laparoscopic repair and wound closure.

The invention discloses a non-removing antibacterial skin suture for cosmetic surgery. The suture comprises a suture body. The suture is characterized in that: the suture body is made of human absorbable material; and when the suture body is made, a medicament with an inflammation diminishing effect and/or a medicament with a pain easing effect are added, and the added medicament is 0.01 to 10 percent based on the weight of the suture body. The suture for suturing the wound eliminates infection, avoids frequently changing the medicament, can reduce suture knot response and reduce scars, and can be automatically absorbed in tissues; the suture can promote wound healing, prevent infection and reduce scars; a large amount of clinical application proves that the suture has a satisfying effect, reduces the subsequent visit times of a patient, and avoids the pain of removing the suture; and the suture has a sterilization effect, realizes sterilization in an incision, and has a better antibacterial effect.

The invention discloses a wound suturing pull buckle, which is applied to the field of medical supplies. The pull buckle comprises a pull buckle component, a medical adhesive tape and release paper, wherein the pull buckle component comprises a pull buckle secondary piece and a pull buckle primary piece, and the pull buckle secondary piece and the pull buckle primary piece are arranged in a relative mode; two parallel first ribbons and a first latch are arranged on the pull buckle primary piece; a second ribbon and two second latches are arranged on the pull buckle secondary piece, and the second ribbon is parallel with the first ribbons; the second ribbon is inserted in the first latch and the second ribbon is locked in the first latch, and the first ribbons are inserted in the second latches and the first ribbons are locked in the second latches; the pull buckle primary piece and the pull buckle secondary piece are respectively fixedly connected to the medical adhesive tape; and the medical adhesive tape is bonded on the release paper. The pull buckle component can adjust pull force at two ends according to the dimensions and actual injury situation of a wound; the pull buckle, which pulls with three wires, is more conducive to the action of the force, and the problem that the pull buckle is easy to become displaced and even be pulled off is solved; and the wound suturing pull buckle is not limited by the shape and the dimensions of the wound and is easy to clean the wound and to suture the wound in an everting mode, and the wound suturing pull buckle is strong in applicability and is suitable for popularization and application.

The invention discloses a puncture sheath with suturing function, which is characterized in that it comprises a sheath body and a peritoneal stapler inserted into the sheath body. The rod-shaped stapler body of the peritoneal stapler is inserted into the laparoscopic surgical wound through the puncture sheath, and the suture needle on the stapler body or the head flap passes through the peritoneum, and the suture thread ends are left on the head flap or the stapler body, and then pulled out When the suturing device body is out, the thread end is brought out to realize the suturing of the wound. The stretched head flap can position the abdominal wall tissue, prevent leaks, and avoid suture damage to other organs and tissues. The invention has simple operation and good suturing effect, can effectively prevent secondary damage during wound suturing, and reduce the incidence of incisional hernia.

Provided is a medical regulation type wound suturing device. The medical regulation type wound suturing device comprises a first fixing block and a second fixing block, wherein the first fixing block and the second fixing block are arranged on the skin on the two sides of a wound. Suturing holes are formed in the first fixing block and the second fixing block respectively, a pull line is arranged on the first fixing block, the pull line is a medical line for operation, the second fixing block is of a hollow structure, a spring is arranged in the second fixing block, one end of the spring is connected with the second fixing block, the other end of the spring is connected with a push rod, a hole is formed in the push rod, pull line holes are formed in a pair of symmetrical side faces of the second fixing block, and the pull line is led in through the pull line holes in one side of the second fixing block in a threading mode, passes through the hole in the push rod and then is led out through the pull line holes in the other side of the second fixing block in a threading mode. According to the medical regulation type wound suturing device, the movable medial pull line for operation is used for continuously closing the edges of the wound in a drawing mode, and the round is made to be closed gradually. Every day, a doctor appropriately regulates the tension degree of the pull line according to the tissue swelling degree of a patient, if the tension is too high, the pull line is loosened; if the tension is reduced, the pull line is tensioned, and therefore the defect that in traditional relaxation suture or steel wire suture, the situation that only tensioning can be conducted, but loosening cannot be conducted is avoided.

The invention provides a surgical wound suture-free device. The surgical wound suture-free device comprises a first moving plate and a second moving plate; one surface of the first moving plate and one surface of the second moving plate are respectively provided with a clamp device which enables the distance between the two moving plates to be gradually decreased; the other surface of the first moving plate and the other surface of the second moving plate are respectively provided with a first adhesive tape and a second adhesive tape; each clamp device comprises nuts and a screw; the first moving plate and the second moving plate are respectively provided with a first nut and a second nut, and the screw is matched with the first nut and the second nut. The surgical wound suture-free device can form extrusion force to a wound to enable the wound to heal so as to achieve an effect of suturing the wound and can also protect the wound against the influence of tension and shearing force so as to form a protective range without external disturbance. The surgical wound suture-free device has the characteristics of simple structure, adaptation to different wounds, convenience in clinical operation, relief of pain of a patient, a few scars and quick heal.

The invention discloses a medical absorbable polysaccharide composite material and application thereof. According to the medical absorbable polysaccharide composite material, starch with poor water absorbability is used as one material in the polysaccharide composite material; furthermore, a polysaccharide material with good water absorbability is added; the composite polysaccharide material is obtained through directly mixing, or through adding water, uniformly mixing and then carrying out freeze drying, without the need of cross-linking reaction. The material has the advantages of high waterabsorption rate, rapid water absorption speed, higher gel strength, good biocompatibility and the like, and can be directly used on wound surfaces with blood and for stopping bleeding of body surfaces, tissue organs in inner parts of bodies and in body cavities; the material can be used for rapidly stopping bleeding, can be absorbed by human bodies and has a sticky plugging effect. The material also can be further used as a post-operative anti-adhering material, a tissue healing promoting material, a surgical sealant, a wound suture-free tissue adhesive, a tissue filling material and a tissuedebridement material.

The invention discloses auxiliary equipment for wound suturing. The equipment comprises a first auxiliary device body and a protective pad, wherein the top of the first auxiliary device body is connected to first binding bands, and limiting holes are formed in the surface of the first binding bands; first shaft seats are fixed at the lower end of the front side of the first auxiliary device body,and the first shaft seats are connected to first connecting pieces; the first connecting pieces are connected to connecting bands, and the first connecting pieces are arranged at the top and the bottom of the connecting bands; and the bottom of each connecting band is connected to each first shaft seat at the top of a second auxiliary device body through each first connecting piece. According to the auxiliary device for wound suturing, a fixing belt can be driven to move towards the direction of the second auxiliary device body by pulling an anti-dropping piece, and the fixing belt can be effectively prevented from going back through a movable clamp and a limiting piece, so that the distance between the first auxiliary device body and the second auxiliary device body is shortened, the wound is driven to be closed, and a doctor can conveniently perform suturing.

The present invention relates to an anti-bacterial wound non-suturing tissue glue. In the concrete, it relates to an alkyl alpha-cyanoacrylate tissue glue containing anti-bacterial agent. Its composition contains 30.0-80.0 portions of alkyl alpha-cyanoacrylate, 0.5-7.5 portions of strength improving agent, 1.0-8.5 portions of plasticity improving agent and 0.5-25.0 portions of anti-bacterial agent. The anti-bacterial agent is one or more than two kinds of cefmetazole, erythromycin ethylsuccinate, acetylspiramycin and chlorhexidine iodine.

The invention discloses a surgical suture fixing box for operating room nursing. The fixing box comprises a base and a shell; a partition plate is vertically fixed in the shell; the partition plate divides the interior of the shell into a left cavity and a right cavity from left to right; a winding roller and a pay-off reel are sequentially fixed to the right cavity from right to left; one end ofa first fixing shaft horizontally extends out of the side wall of the shell and is fixedly provided with a first gear and a first belt wheel; the first gear is fixed to a first fixing shaft through aone-way bearing; a second fixing shaft is fixed to the outer side wall of the shell; a second gear matched with the first gear is fixed on the second fixing shaft; a liquid storage tank is fixed on the bottom end face of the left cavity; a third fixing shaft is fixed into the liquid storage tank through a bearing; and the third fixing shaft is sleeved with a wetting roller. The fixing box is reasonable in structure, medical staff can accurately and quickly take out surgical sutures with the required length from the surgical suture fixing box when preparing the surgical sutures, the working efficiency is improved, and the surgical sutures can be wetted when being taken out so as to guaranteed that the surgical sutures are always kept wet in the wound suturing process.

The invention relates to a postoperative pressurization nursing belt for the obstetrics and gynecology department, and belongs to the field of medical equipment. The postoperative pressurization nursing belt for the obstetrics and gynecology department comprises a belt body and an airbag assembly arranged at one side of the belt body; the belt body comprises a main belt body, a belt base body anda belt end body, wherein the belt base body extends from the main belt body to one side, and the belt end body extends from the main belt body to the other side; one side of the main belt body is provided with an air bag, and the other side of the main belt body is provided with a pocket bag. The postoperative pressurization nursing belt for the obstetrics and gynecology department has the advantages that a hand warmer can be placed in the pocket bag, so that the temperature of the nursing belt can be adjusted, and the comfortable sensation of a puerpera can be increased; three sets of hangingbuckles are arranged, when hooks are hung on the different sets of the hanging buckles, the degree of tightness of the nursing belt can be adjusted; four buckle belts are arranged, the buckle belts have different tightening force, the tightening force on different sites can be adjusted, and the comfort is high; a magnet therapy block is arranged to provide a magnet therapy function; the wound suture part of cesarean of the puerpera is squeezed, thereby being capable of reducing the tension of the wound suture part of the puerpera, reducing the pain, and promoting wound healing.

The invention belongs to the field of medical instruments for wound suturing and discloses a wound suturing device which comprises a first soft main plate and a second soft main plate identical with the first soft main plate. An adhesive tape is arranged on the lower surface of the first soft main plate, one or more locking belt is arranged on the upper surface of the first soft main plate, an adhesive tape is arranged on the lower surface of the second soft main plate, and the upper surface of the second soft main plate is in thread gluing connection with the locking belts. Opening and closing can be controlled by applying a small force at a locking position, so that secondary damage to skin due to the applied force is avoided; suturing force can be reduced and increased, wound suturing force can be continuously and slightly adjusted according to needs to meet clinical requirements on optimal suturing force, and wound healing time can be reduced.

The invention relates to the preparation and the application of a biodegradable shape memory suture which can not only accurately control the wound closure tightness, but also solve the problem that the operational space for the wound in the body is restricted; at the same time, the cost of treatment is significantly reduced and no stitch removal is needed after the operation. Taking a biodegradable shape memory polymer as the raw material, the suture with required specification is obtained through molding and curing process. The using method of the suture mainly lies in the temperature control: before the suturing, the suture is heated to softening temperature and then stretched to suture the wound; after the suturing, the suture is heated again and restored to the initial shape, and then the suture gradually contracts and tightens until the wound is closed ideally; finally the suture is absorbed by the body gradually along with the time without any harm caused to the human body. The biodegradable shape memory suture can be widely used in human and animal surgery wound suture.

The invention relates to the field of medical care cabins, in particular to a mobile medical care cabin for urgent wound suture. The mobile medical care cabin comprises a cabin door, a movable surgerystand, a cabin plate, a supporting column, a base, a controller, an elevating mechanism and a rotating mechanism, wherein the movable surgery stand comprises a movable stand, a first mechanical arm,a second mechanical arm, a third mechanical arm, a first gear, a first motor, a light bar, surgery forceps, a laser knife, a suture machine, a first track and a second track; and the surgery forceps,the laser knife, the suture machine, the first motor, the first mechanical arm, the second mechanical arm, the third mechanical arm and the light bar are all electrically connected with the controller. According to the mobile medical care cabin for urgent wound suture disclosed by the invention, through convenient transportation, urgent treatment and a suture surgery can be performed on a wound ofa wounded person, the wounded person can be effectively brought out of danger, besides, the life safety of the wounded person can be guaranteed, and an effective place is provided for urgent treatment of the wounded person.

The invention discloses a pair of skin suturing pliers, which comprises clamping handles, first pliers arms and second pliers arms, wherein one end of each of the two groups of clamping handles is hinged and connected; the first pliers arms and the second pliers arms are independently rigid extension segments of two groups of clamping handles on the other side of a hinging point, and rigid extension segments of the free ends of two groups of clamping handles; the free ends of the first pliers arms can form clamping pliers heads; two groups of first pliers arms are independently provided with aneedle entering guide hole and a needle leaving guide hole, which are used for conventional suturing; the needle entering guide hole and the needle leaving guide hole are through in an alignment wayunder a state that the first pliers arms are clamped; the inner side of each second pliers arm is a clamping surface; the upper side surfaces of one group of second pliers arms are convexly provided with two groups of needle guiding seats used for beatification suturing; and each needle guiding seat is provided with a needle guiding hole used for a suturing needle to pass. According to the pair ofskin suturing pliers, conventional skin suturing and intracutaneous beatification suturing can be realized, a surgeon can independently finish a suturing and thread shearing operation and the accurate needling entering of intracutaneous suturing during operation wound suturing, suturing time is greatly shortened, and suturing quality is improved.

The invention discloses a postoperative suture line auxiliary positioning device, and relates to the field of medical auxiliary tools. The device comprises a first baseband, a second baseband and a connecting assembly; the first baseband and the second baseband are respectively arranged at two sides of a wound in the length direction; the first baseband and the second baseband are connected by a connecting assembly; and a plurality of semicircular positioning needle grooves are formed in the inner side edges of the first baseband and the second baseband. According to the invention, the first baseband and the second baseband are fixed on two sides of the wound, and the wound is closed through adjustment of the connecting assembly, so that the wound is conveniently fixed before being sutured; and when suturing is carried out, the needle head penetrates along the positioning needle grooves, and uniform stitching during suturing is ensured, and excessive traction and dislocation during wound suturing is effectively prevented.