62 results about "Hernia repair" patented technology

Layered materials for using in implants, such as hernia repair implants. The layered materials may include a first layer including a substrate (e.g., mesh) and a second layer including a sheet of anti-adhesive material. The layers may be attached at small attachment sites that are separated by regions in which the layers are not attached, to provide a highly compliant implant. The compliance of the implant may match that of a patient's body upon implantation and / or over time following implantation.

The invention discloses an antibacterial material based on natural polysaccharide as well as a preparation method and application of the antibacterial material. The antibacterial material disclosed by the invention comprises a base material, wherein the base material is modified with dopamine, quaternized polyethyleneimine and hyaluronic acid. According to the invention, QPEI and HA are combined on the surface of PP to prepare the antibacterial material, and the antibacterial material can be used for an anti-fouling antibacterial hernia repair sheet. The invention further provides a preparation method of the antibacterial material. The reaction conditions of the preparation method are mild and not harsh. The hernia repair patch prepared from the antibacterial material is remarkable and lasting in antifouling effect and antibacterial effect, and the modified hernia repair patch is good in biocompatibility and small in cytotoxicity.

The invention belongs to the field of medical materials, and particularly relates to a hernia patch material, a preparation method thereof and a hernia patch. According to the preparation method provided by the invention, different layers can be used as relatively independent functional modules by adopting layered pouring, functionalization of a patch material is realized, and the swelling rate of the material is reduced to the maximum extent by adjusting the thickness of a compact layer and performing aging treatment; under the optimal condition, the swelling rate is close to 0, and tension-free repair is facilitated; gel is generated in situ through phase separation, a transition area is generated in situ between layers, microstructures are interlocked, and the overall mechanical reliability of the patch material is guaranteed; through a PVA-DMSO-H2O dissolution system, the pore diameter of the loose layer is kept at the order of dozens of microns, meanwhile, the hydrophilicity of the material is improved, and cell ingrowth and tissue adhesion are promoted; through a PVA-soluble small molecule filler / DMSO dissolution system, the pore diameter of the compact layer is kept at the submicron level, meanwhile, the hydrophobicity of the material is improved, and adhesion of cells and tissues is prevented.

A hernia repair mesh for providing structural support to a repaired anatomical member. The hernia repair mesh (100) includes a mesh frame (110) and a central opening (120) disposed within the mesh frame, configured to surround a first anatomical member and allow it to pass through the mesh frame. The repair mesh comprises a plurality of flexible leaflets (135) extending inwardly from a perimeter of the central opening. Each of the flexible leaflets is configured to allow movement of the first anatomical member in a first direction while providing resistance against movement of the first anatomical member in a second direction.

1. The name of the design product: hernia anastomat. 2. The use of the design product: the design product is used for tissue suture in hernia repair. 3. The design points of the design product: the shape of the design product. 4. The picture or photo that best shows the design points: perspective view.

1. The name of this design product: Packaging box (absorbable hernia repair biological patch). 2. Purpose of this design product: used for packaging products. 3. The key design point of this design product lies in the combination of shape and pattern. 4. The picture or photo that best illustrates the key points of the design: Design 1 3D drawing. 5. Designate Design 1 as the base design.

The utility model relates to the technical field of medical instruments, in particular to a light-weight three-dimensional (3D) conjoined tension-free inguinal hernia repair patch which comprises a patch body and a placing box used for storing the patch body, the patch body is of an axial symmetry structure and has a certain curvature, a plurality of large meshes are formed in the patch body, and the large meshes are arranged in the placing box. Large meshes are formed in the patch body, the porosity of the large meshes is the same, anchoring holes are formed in the periphery of the patch body, salient points are designed on the surface of the patch body, and a marking structure is further arranged on the patch body. The patch body which is in the axial symmetry shape and has the curvature is beneficial for adapting to anatomical differences of different patients to be cut, the 3D shape better conforms to the human groin structure, and placement is facilitated; a large mesh structure is arranged, so that the patch body is lighter; the hernia repair patch solves the problems that an existing common hernia repair patch is poor in fitting degree during use, inconvenient to store properly and prone to being infected by the external environment.

Resorbable implants comprising poly(butylene succinate) and copolymers thereof have been developed. The implants implants are preferably sterilized, and contain less than 20 endotoxin units per device as determined by the limulus amebocyte lysate (LAL) assay, and are particularly suitable for use in procedures where prolonged strength retention is necessary, and can include one or more bioactive agents. The implants may be made from fibers and meshes of poly(butylene succinate) and copolymers thereof, or by 3d printing, and the fibers may be oriented. Coverings and receptacles made from forms of poly(butylene succinate) and copolymers thereof have also been developed for use with cardiac rhythm management devices and other implantable devices. These coverings and receptacles may be used to hold, or partially / fully cover, devices such as pacemakers and neurostimulators. The coverings and receptacles are made from meshes, webs, lattices, non-wovens, films, fibers, and foams, and contain antibiotics such as rifampin and minocycline.

The utility model discloses a kind of composite hernia repair patch of being convenient for fixed, it is related to hernia repair patch technical field, including patch body, the patch body includes support layer, the surface of support layer is passed through being set up multiple mouth, and fixedly connected with multiple light weight big mesh mesh, the support layer includes framework layer, the side surface of framework layer is fixedly connected with biological layer, the top of biological layer is fixedly connected with anti-adhesion layer, the other side surface of framework layer is fixedly connected with promoting coating;The patch body provided in the utility model is under the basis of being convenient for fixing hernia repair patch to carry out antibacterial protection, to solve the problem that the pre-fixing effect of patch is poor and thus affects subsequent sewing needle or hernia nail work when the most part of glue can flow out of patch range when pre-fixing of existing composite hernia repair patch.

This invention provides a medical repair membrane with an orthogonal crack-limiting structure and its preparation method. This invention relates to the field of biomedical materials technology. The medical repair membrane of this invention comprises at least two electrospun fiber layers, which intersect to form an orthogonal fiber structure. Layer B, facing tissue integration, adopts a coaxial core-shell structure. The shell layer contains biodegradable polymers and bioactive components, while the core layer is a biodegradable polymer. The structure of this invention effectively inhibits crack propagation and improves the structural stability of the material. Simultaneously, the core-shell structure enables controlled release of active components and tissue-selective induction, balancing mechanical properties and biocompatibility. The medical repair membrane is suitable for soft tissue defect repair, such as dura mater repair, fascia repair, pericardial repair, and hernia repair.

The application provides a hernia repair patch and a preparation method thereof, and relates to the technical field of medical materials.The hernia repair patch comprises a multilayer structure or a single layer structure, and the outer layer of the multilayer structure has a pore size structure of 50-300 mu m.The hernia repair patch is provided with the multilayer structure, the pore size structure on the outer layer is convenient for tissue cell adhesion and nutrient substance flow, and thus can effectively promote rapid tissue growth.In addition, the hernia repair patch can be prepared from various degradable biomaterials, has good mechanical properties, and has the technical effect that the hernia repair patch is absorbable in the body.

This invention discloses a pre-placed adjustable hernia repair patch and its preparation method, relating to the field of medical device technology. The patch body is a polypropylene woven mesh with a weight of less than 50 g / m². The polypropylene woven mesh has a double-layer gradient structure with different densities on both sides. This pre-placed adjustable hernia repair patch uses a double-layer gradient structure of the same woven mesh. The outer layer has large pores (80-300 μm) to facilitate fibroblast ingrowth and tissue fixation, while the inner layer has small pores (15-80 μm) to form a physical barrier, effectively inhibiting visceral adhesions. It addresses both fixation and anti-adhesion needs. Temporary fixation is achieved through sliding PLGA fixation pins, pre-drilled holes, and elastic rings. The fixation pins are available in various lengths, and the elastic rings enable temporary fixation and position adjustment. Blue marking lines facilitate directional identification, and barium sulfate contrast markers aid in intraoperative positioning and postoperative follow-up.

The application discloses a kind of for hernia repair containing acellular dermis biological patch and preparation method thereof, belong to biomedical material field, raw material includes acellular porcine dermis layer matrix 90-110 parts, genipin 0.1-0.2 parts, EDC 0.8-2.5 parts, NHS 0.3-1 part, carboxymethyl chitosan 3-8 parts, sodium hyaluronate 1.5-4 parts, chondroitin sulfate 0.5-2 parts, glycerol 2-5 parts, modified zinc tannate nanocomposite 3-12 parts, effectively solve the problems that existing hernia repair patch anti-adhesion and tissue ingrowth is difficult to coordinate, support strength and degradation rate are not matched, foreign body exists in human tissue for a long time and leads to inflammation, by introducing anti-adhesion coating containing zinc tannate coordination nanocomposite and asymmetric double-sided structure, the patch realizes abdominal cavity side long-acting anti-adhesion, abdominal wall side rapid tissue integration and controllable degradation and mechanical support under low immunogenicity.

This invention discloses a method for preparing a biodegradable magnesium metal hernia repair patch and a patch implantation system, belonging to the field of patch technology. The method for preparing the biodegradable magnesium metal hernia repair patch includes: using a magnesium plate as the base material, with a mesh size of 0-70%, and the outer contour of the patch having wavy edges or rounded corners; the thickness of the biodegradable magnesium metal hernia repair patch being 0.05mm to 0.5mm; selecting a magnesium alloy ingot as the base material, and extruding and rolling the base material into an ingot plate of a predetermined size; annealing the ingot plate in an annealing furnace at 180°C for 1-2 hours, removing it, and leveling it to form a magnesium plate; processing the mesh and outer contour on the magnesium plate using cutting or stamping equipment to form a prototype patch; polishing, cleaning, packaging, and sterilizing the prototype patch to obtain the biodegradable magnesium metal hernia repair patch, which is not only absorbable by the human body but also has low plasticity and hardness, making it easy to store and implant in the body.

The utility model discloses a hernia repair patch tolerant to mechanical distortion, which comprises a patch body, the patch body is of a net structure formed by weaving monofilament structures, each monofilament structure comprises an anti-torsion wire, a polypropylene fiber layer and an antibacterial layer, the polypropylene fiber layer is sleeved on the outer side of the anti-torsion wire, and the antibacterial layer is sleeved on the outer side of the polypropylene fiber layer. And an antibacterial layer is arranged on the outer wall of the polypropylene fiber layer. According to the hernia repair patch resistant to mechanical distortion, through cooperation of the patch body, the monofilament structure, the anti-torsion wires, the polypropylene fiber layer and the antibacterial layer, when the net-shaped patch main body structure woven by the monofilament structure is used, the anti-torsion wires in the center of the interior of the monofilament structure have certain memory and elastic performance, and the mechanical distortion resistance of the mesh-shaped patch main body structure is improved; the mechanical distortion resistance of the patch body can be improved to a certain extent, foreign body sensation in the body of a patient after the patch is used can be effectively reduced, and the follow-up recurrence rate and the probability of complications of the patient can be reduced by matching with the antibacterial effect of the antibacterial layer on the outer side of the polypropylene fiber layer.

The invention belongs to the technical field of medical hernia repair, and provides a multifunctional modular stoma and hernia repair device and a use method. The device provided by the invention comprises a stoma connecting outer sleeve which is detachably mounted outside a stoma; the hernia repair assembly is arranged on the stoma connecting outer sleeve; the stoma connecting outer sleeve is provided with a plurality of stoma holes; the hernia repair assembly comprises a mounting net tube, a stimulation needle tube group and a control assembly; the mounting net pipe is mounted on the stoma connecting outer sleeve, and one end of the mounting net pipe extends outwards and is in transmission connection with the control assembly; the stimulation needle tube group is mounted on the mounting net tube; the stimulation needle tube set is provided with at least one stimulation microneedle, and one end of the stimulation microneedle can extend into skin tissue outside the stoma. The method comprises the following steps: S1, mounting; s2, charging is conducted; s3, performing stimulation; s4, electric shock; s5, suction; and S6, medicine application. The stoma can be repaired in real time at the stoma.

Described herein are hydrogel-coated surgical meshes and their use in hernia repair, reconstructive surgery, and other surgical procedures. In one aspect, the hydrogel-coated meshes comprise at least one antibiotic or antimicrobial agent for the treatment of hernia repair surgery. In one aspect, the hydrogel coated meshes provide localized, sustained antimicrobial activity for the treatment of surgical site infections. In one aspect, the hydrogel coated meshes provide localized, sustained prophylactic antimicrobial activity for the prevention of surgical site infections. In another aspect, the hydrogel coating may optionally include one or more additional therapeutic components, such as anti-inflammatory compounds or growth factors, to facilitate and enhance recovery following hernia repair, reconstructive procedures, or other surgeries.

The application discloses a preparation method of an anti-adhesion, repair-promoting and antibacterial composite patch. L-lactide and glycolide are used as monomers to synthesize four-arm polylactic acid-glycolic acid 4arm-PLGA through ring-opening polymerization; then, L-lysine and 1,2-propylene glycol are used to prepare hydrophilic BLPD through esterification reaction, and the 4arm-PLGA is copolymerized with the 4arm-PLGA to obtain a block copolymer 4arm-PLGA-BLPD; subsequently, the proportion of PCL, the 4arm-PLGA-BLPD, the 4arm-PLGA and an antibacterial drug is regulated, and the composite patch is prepared through continuous electrospinning technology. The composite patch has good biosafety, antibacterial property, anti-adhesion between the patch and human organs and repair-promoting property, and has a wide application prospect in surgical operations, especially in hernia repair.

An implantable prosthesis for covering a defect in the peritoneum. The prosthesis may include a body (22) of implantable biocompatible material having a first surface (24) and a second surface (26). The first surface is tissue permeable and the second surface is adhesion resistant. The body includes a clip region adjacent an outer perimeter thereof having tissue clips (28) protruding in an outward direction away from the second surface. The prosthesis may be positioned between the peritoneum and a separate hernia repair fabric located in the anterior peritoneal pocket for repairing tissue or muscle wall defects, such as abdominal hernia.

The application discloses a preparation method of absorbable metal hernia repair patch and a laparoscopic operation system, and belongs to the technical field of medical devices. The preparation method of the absorbable metal hernia repair patch comprises the following steps: selecting magnesium and magnesium alloy ingots as base materials; the base materials are extruded and rolled into plate materials; the plate materials are annealed in an annealing furnace at a temperature of 150 DEG C to 200 DEG C for 1 h to 2 h, taken out and flattened to form magnesium plates, and the thickness of the magnesium plates is 0.05 mm to 0.5 mm; cutting equipment or stamping equipment is used to process the mesh holes and the outer contour on the magnesium plates to form a rough hernia repair patch, the mesh hole ratio of the patch in the rough hernia repair patch is 0-70%, and the outer contour is provided with a wavy edge or a round corner; and the rough hernia repair patch is polished, cleaned, packaged and sterilized to obtain the absorbable metal hernia repair patch. The application can not only be absorbed by the human body, but also has good flexibility, can be bent along with the human abdominal wall tissue, is convenient to store and implant in the body.

The utility model discloses a kind of cutting equipment of 3D hernia repair patch with pre-pressing forming function, including the bottom plate of lower die plate fixed with upper end surface, lower die core is fixed in the inside of lower die core installation slot in lower die plate middle part, guide pillar is fixed with the corner of bottom plate, middle die plate and upper die plate are slidably sleeved on guide pillar, upper die core is suspendedly fixed in the inside of upper die core installation slot in middle die plate middle part, annular passage one is formed between upper die core and upper die core installation slot, annular cutter with annular cutting edge in lower end is slidably installed in the inside of annular passage one, annular cutter upper end extends to above middle die plate and is equipped with longitudinal elastic element three with middle die plate upper end surface, middle die plate and upper die plate are separated by longitudinal elastic element, mutually adaptive male die surface and female die surface are equipped between lower die core and upper die core. Integrated with pre-pressing forming and annular cutting dual function, the 3D hernia repair patch periphery of cutting is uniformly stable, and production and processing efficiency and finished product qualification rate are improved.

The invention discloses application of a composite biological material in hernia repair surgery, and belongs to the technical field of biotechnology, the composite biological material comprises a nanofiber scaffold, the scaffold is prepared by compounding polylactic acid-glycolic acid and silk fibroin, the weight ratio of the polylactic acid-glycolic acid to the silk fibroin is 70: 30, and the weight ratio of the polylactic acid-glycolic acid to the silk fibroin is 20: 30. The nanofiber scaffold is prepared through an electrostatic spinning technology and is used for providing mechanical support and promoting cell attachment and proliferation; the fiber is of a porous structure, the pore size is 10-100 microns, and cell permeation and nutrient substance exchange are facilitated; the polylactic acid-glycolic acid / silk fibroin composite scaffold is prepared by compounding polylactic acid-glycolic acid and silk fibroin, the mechanical properties of natural tissues are simulated, and a good growth scaffold is provided for cells. The gel layer is prepared through a solution phase separation method, and provides additional biological activity support and a cell attachment surface for the nanofiber scaffold. By arranging the antibacterial coating, the risk of postoperative infection is reduced, and meanwhile, protection is provided for materials and human tissues.

To provide a biodegradable mesh implant for use in soft tissue repair, in particular surgical hernia, chronic wound healing or fistula repair, within the body of a patient.SOLUTION: The present invention provides a biodegradable mesh implant for use in soft tissue repair, in particular surgical hernia, chronic wound healing or fistula repair, within the body of a patient. The mesh implant comprises a porous, hydrophilic biodegradable polymeric carrier mesh (10) and fibroblasts (16). The carrier mesh (10) comprises a sponge-like structure with interconnected pores of different sizes, it has a water contact angle of less than 75° and is made of at least a first polymer comprising polylactic acid as a main component.SELECTED DRAWING: Figure 1

The repair fabric includes a dual bar warp knit mesh for use in repairing soft tissue and muscle wall defects, including hernia repair and chest wall reconstruction. The repair fabric may be produced according to a first bar pattern chain of 4 / 2 4 / 6 4 / 2 6 / 8 6 / 4 6 / 8 of first filaments and a second bar pattern chain of 6 / 8 2 / 0 6 / 8 4 / 2 8 / 10 4 / 2 of second filaments. The diameter of the first filaments being different from the diameter of the second filaments.

The invention discloses an antibacterial material based on natural polysaccharide as well as a preparation method and application of the antibacterial material. The antibacterial material disclosed by the invention comprises a base material, wherein the base material is modified with dopamine, quaternized polyethyleneimine and hyaluronic acid. According to the invention, QPEI and HA are combined on the surface of PP to prepare the antibacterial material, and the antibacterial material can be used for an anti-fouling antibacterial hernia repair sheet. The invention further provides a preparation method of the antibacterial material. The reaction conditions of the preparation method are mild and not harsh. The hernia repair patch prepared from the antibacterial material is remarkable and lasting in antifouling effect and antibacterial effect, and the modified hernia repair patch is good in biocompatibility and small in cytotoxicity.

The utility model relates to medical supplies technical field discloses a big mesh hole hernia repair patch, including a plurality of medical textile monofilament, a plurality of antibacterial fiber and a plurality of flow fiber, a plurality of medical textile monofilament and a plurality of flow fiber are respectively perpendicular to each other interlaced weaving arrangement, a plurality of antibacterial fiber is respectively arranged in the clearance of a plurality of parallelly arranged flow fiber, the side wall of a plurality of flow fiber is respectively surrounded and is opened a plurality of drainage holes. The utility model provides a plurality of medical textile monofilament, a plurality of antibacterial fiber and a plurality of flow fiber are arranged mutually, and the interval is set to 3mm, can improve the mesh size of patch, does not influence the fibrous tissue production of affected part simultaneously can reduce the rejection phenomenon, and antibacterial fiber has excellent biocompatibility, can be absorbed and metabolized by human body part, contains amino in its molecular structure, makes it have antibacterial activity, can improve the antibacterial effect of patch, prevents the situation of infection.

The present invention relates to a bioresorbable prosthetic porous knit comprising an arrangement of yarns of bioresorbable biocompatible material defining at least two sides for said knit, said knit being provided, on one of its sides, with barbs protruding outwards from said one side, wherein each yarn of the arrangement defining said two sides is doubled. The invention further relates to a method for manufacturing such a knit.

The utility model discloses a kind of repair fixers for laparoscopic hernia repair, it is related to medical instrument technical field, the utility model includes fixed base, the inner wall of fixed base is fixedly connected with storage glue pipe, the outer wall of fixed base is fixedly connected with motor frame, the utility model is connected with several finger cots by being set, several finger cots are all adhered to the four fingers of user except thumb during use to prevent equipment from easily falling off from the hand of user, when several finger cots are displaced due to finger movement, it will drive displacement plate two displacement, displacement plate two will drive several shaft seat displacement, one end of several shaft seats is rotated and displaced, several shafts are all driven shaft seat displacement, enough friction is provided to the four fingers of user except thumb when it is held by user to carry out repair work, prevent user from falling off from the hand of user due to frequent movement equipment in use process, equipment is caused to fall off from the hand of user accidentally.

The invention belongs to the technical field of laparoscopes, and particularly relates to endoscope equipment capable of controllably releasing a hernia repair patch, and the endoscope equipment comprises a handheld part which is used for being held by a doctor; one end of the long-strip-shaped optical sight glass is fixedly arranged in the handheld part in a penetrating mode; the conveying mechanism is movably arranged on the optical sight glass in a sleeving manner; the conveying mechanism comprises a driving frame, wherein one end of the driving frame is movably arranged on the optical sight glass in a sleeving mode; and the sealing plate is fixedly arranged on the inner wall of the other end of the driving frame. The planetary rods surround the periphery of the optical sight glass, the rubber strips spirally surround the peripheries of the planetary rods, and when the rubber strips synchronously rotate, the surfaces of the rubber strips rub the optical sight glass to drive the optical sight glass to move; the rotating angles of the rubber strips are in direct proportion to the moving distance of the optical sight glass, and by accurately adjusting the rotating angles of the rubber strips, the advantage that the optical sight glass moves accurately is achieved.

1. Name of the Design Product: Hernia Repair Patch Fixator. 2. Use of the Design Product: It is used for suturing tissues in endoscopic hernia repair surgeries and can also be used for fixing prosthesis materials in other surgical operations. 3. Design Key Points of the Design Product: It lies in the combination of shape and pattern. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective view.