16 results about "Posterior fixation" patented technology

The application provides a controllable self-expanding intramedullary nail internal fixation system for long bone fracture, belonging to the technical field of orthopedic medical instruments, and comprising a self-expanding intramedullary nail, a visible controllable self-expanding platform and a locking nail; the self-expanding intramedullary nail comprises a locking hole and an expandable support; the locking hole is arranged at the proximal end of the self-expanding intramedullary nail and is matched with the locking nail to fix the proximal end of the self-expanding intramedullary nail; the expandable support is arranged at the distal end of the self-expanding intramedullary nail after expansion to fix the distal end of the self-expanding intramedullary nail. The visible controllable self-expanding platform is in communication with the expandable support and can display the expansion size, and the self-expanding intramedullary nail can be prevented from being expanded too large to affect the medullary cavity by precalculating the expansion size.

The present invention relates to a suturing device comprising: a forward-backward movement guide tube to which second and first loops of a preliminary knot part of a suture knot part are sequentially added and installed, and into the rear of which a forward-backward penetration tube part is inserted; a forward-backward tying-guide bracket part onto which the second loop is added and installed; and a suturing needle part which has an end part that extends from the second loop provided therein and which is installed above the forward-backward penetration tube and the forward-backward movement guide tube. The suturing device has a simple configuration, minimizing the manufacturing costs thereof, and the simple configuration has mutual organic operation enabling a suture knot part having a two-stage tying part to be quickly and easily formed in a wound incision part, thereby quickly and easily suturing the wound incision part to reduce the pain of the suturing procedure for a patient. In addition, the suturing device enables easy suturing, including not only surgical suturing of an open portion of a body part during surgery, but also suturing after direct removal or ablation of lesions using an endoscope without opening the inside of the body.

The invention discloses a joint fixing device for bone joint surgical nursing, and relates to the technical field of bone joint surgical nursing equipment, the joint fixing device comprises a front fixing protector and a rear fixing protector for fixing a lower limb thigh and a lower limb shank; the two movable angle adjusting devices are symmetrically arranged at the butt joint points of the two sides of the front fixing protective tool and the rear fixing protective tool; the movable angle adjusting device comprises a connecting assembly arranged at the butt joint point of the front fixing protection tool and the rear fixing protection tool, and the front fixing protection tool and the rear fixing protection tool are connected through the connecting assembly and rotate by multiple angles with the connecting point as the axis. An angle adjusting assembly is arranged at the side end of the connecting assembly, and a locking assembly is arranged at the side end of the angle adjusting assembly. According to the leg bending training device, the effects that the legs of the patient can be effectively fixed and cannot move, when bending training is needed, the bending angle range is adjusted in real time according to the training process, and operation is convenient and fast are achieved.

The application provides a snake bone tube and an endoscope. The snake bone tube comprises a front fixing part, a rear fixing part and a plurality of snake bones. The first end of the snake bone is provided with two convex connecting parts. The second end of the snake bone is provided with two concave connecting parts. The convex connecting part comprises a first convex part, a second convex part and a connecting part. The first convex part protrudes from the end surface of the snake bone in the axial direction. The second convex part is connected to the first convex part through the connecting part and protrudes from the first convex part. The concave connecting part comprises a groove and two supporting plate parts. The two supporting plate parts are respectively arranged on the inner walls on the opposite sides of the groove. A clamping groove is arranged between the two supporting plate parts. The convex connecting part of the rear snake bone is movably connected to the concave connecting part of the front snake bone. The first convex part is arranged in the groove and on the supporting plate part. The connecting part is arranged in the clamping groove. The second convex part passes through the clamping groove and is adjacent to the inner wall of the front snake bone. The endoscope comprises the snake bone tube. The application has the advantages of convenient production and assembly and difficulty in disconnection.

The invention relates to a shoulder joint surgery and rehabilitation device which solves the problems that an existing shoulder arthroscopy surgery traction device is prone to causing displacement of a humerus head, operation is affected, and a postoperative fixing brace is prone to causing ankylosis of joints. Comprising an inflatable air bag, a first U-shaped arc and a second U-shaped arc are arranged on the two sides, opposite in direction, of the inflatable air bag respectively, an armpit supporting part is arranged between the first U-shaped arc and the second U-shaped arc, and the inflatable air bag is further provided with a wearing fixing piece, an inflation inlet and a pressure release valve. During use, the air bag is inflated through the inflation inlet, the first U-shaped arc is attached to the surface of a rib beside the armpit, the wearable fixing piece is used for wearing and fixing, the second U-shaped arc is used for containing the inner side of the upper arm, the armpit supporting part is used for supporting the armpit, the air bag forms a lever fulcrum at the armpit, the humeral head is pried to be away from the shoulder glenoid fossa, and the joint gap is increased; in addition, when the shoulder arthroscope is used after an operation, the joint capsule is relaxed, fixation is relatively relaxed, the range of activity after the operation is obviously enlarged, and early rehabilitation of a patient is facilitated.

The invention discloses a self-adaptive orthopedic external fixation composite material and a preparation method thereof. Comprising a gradient modulus layer, a dynamic buffer layer and a high-expansion layer, according to the self-adaptive orthopaedic external fixation composite material disclosed by the embodiment of the invention, the composite material can be quickly attached to limbs and form mechanical support in gradient transition from outside to inside by utilizing the initial soft state of the material, so that the rigidity required by fracture reduction is ensured, and the stress shielding effect caused by too hard material is effectively reduced, thereby promoting bone healing and improving the bone fracture reduction rate. In the whole rehabilitation period, the limb rehabilitation device can adapt to swelling and regression changes of limbs, tight attachment is always maintained, compression on the skin in the swelling peak period is avoided, instability caused by fixing looseness after detumescence is also prevented, when rehabilitation angle adjustment needs to be conducted, materials can be safely softened through simple cold compress, painless adjustment is achieved, and the rehabilitation effect is good. In the adjusting process, all the layers have a synergistic effect, stress is effectively dispersed, and traction damage to the skin is completely eradicated.

The utility model discloses a kind of absorbable rib fixation nails, made of high molecular absorbable material integrated, including shank part and the clamping portion of both ends of shank part, clamping portion is equipped with bifurcation structure with opening towards non-connection shank part one end, at least one branch outside of bifurcation structure is equipped with inverted tooth structure, inverted tooth structure end is conical or triangular, the width of bifurcation structure is greater than the width of shank part.The utility model can be made into nail body by absorbable material, clamping portion end bifurcation, inverted tooth structure can be fixed after being expanded in marrow cavity and increasing friction, wide conical end is easily placed into marrow cavity and can play anti-rotation, anti-removal effect, fixed firm and not easy to displace, without suture reinforcement to prevent affecting periosteal blood supply and nerve compression, after fracture healing, fixation nail can be degraded and absorbed, without secondary operation removal, after absorption, chest CT, MRI examination has no influence, more promotional, can better improve the user's use experience.

The utility model relates to the technical field of thoracic surgery postoperative nursing, and discloses a thoracic surgery postoperative fixing device which comprises a fixing plate, a base plate, a first bandage and a second bandage. A plurality of adjusting seats are arranged on the upper portion of the fixing plate, one end of the first bandage is movably arranged in the adjusting seats, and an upper clamping seat is arranged at the other end of the first bandage; the second bandage and the first bandage are arranged correspondingly, one end of the second bandage is fixedly connected with the base plate, and a lower clamping base is arranged at the other end of the second bandage. The upper clamping seat and the lower clamping seat are clamped with each other; one end of the bandage I can flexibly move in the adjusting seat, so that a user can conveniently change the length after the bandage I and the bandage II are combined, and the tightness of the bandage to a human body is adjusted; besides, the first bandage and the second bandage are clamped through the two clamping seats, the clamping mode is simple and convenient, the clamping seats are disassembled and separated in a pressing mode, the disassembling and assembling mode is simple, and therefore the nurse can conveniently disassemble and use the bandage when changing medicine.

The invention discloses a U-shaped fixing nail with telescopic teeth, which comprises a crimping main plate, two fixing nail feet which are formed on the crimping main plate and can be inserted into the human skeleton, and a screw rod, and a plurality of movable fixing teeth which protrude towards the outer surfaces of the fixing nail feet under the pushing of the screw rod are formed on the fixing nail feet. The screw is used for pushing the movable fixing teeth arranged on the periphery of the fixing nail foot to spread out of the outer surface of the fixing nail foot, that is, a plurality of fixing teeth extending into the human skeleton are added, so that the contact range of the fixing nail foot and the bone in the skeleton is enlarged; after the movable fixing teeth protrude out of the outer surface of the fixing nail foot, the binding force between the fixing nail foot and the bone is changed from single to multiple, the binding force between the fixing nail foot and the bone is more stable, compared with an existing door-shaped nail, the door-shaped nail is more suitable for being used by a patient with osteoporosis, the situation that the single fixing nail foot is loosened in the osteoporosis bone, and the bone fracture is caused is avoided. And the problem that the fixed nail feet are loosened is solved.

The application relates to the technical field of rib fracture orthotopic fixation, and discloses a rib fracture orthotopic fixation device for thoracic surgery, which comprises a front fixing plate and a rear fixing plate, a strip-shaped box is arranged on the front fixing plate, a plurality of movable sliding blocks are arranged on the two sides of the strip-shaped box, first strip-shaped plates are fixed on the two sides of the strip-shaped box, side fixing plates are fixed on the sliding blocks, second strip-shaped plates are fixed on one side of the sliding blocks, a plurality of equidistantly-distributed miniature damping rods are fixed on the first strip-shaped plates, and a plurality of air bags are arranged on the front fixing plate; in the application, the speed of the side fixing plate is consistent with the speed of thoracic retraction, so that stable reduction is achieved, impact fitting between the side fixing plate and the thorax is avoided, beating is formed, the comfort of the patient is improved, the fixing position of the side fixing plate does not need to be frequently adjusted, automatic alarm can be realized when the patient performs large-amplitude action, and the purpose of automatically monitoring the movement amplitude of the patient can be achieved.

Implementations of the disclosed systems and methods include medical implants, such as spinal implants for posterior fixation. According to some implementations, the implant includes a tulip configured to receive a rod, along with a set screw configured to fix the rod in place within the tulip. In some cases, the set screw is configured to selectively rotate in a first direction to tighten and to selectively counter-rotate in a second direction to loosen. According to some implementations, the implant includes a mechanical stop configured to prevent undesirable counter-rotation of the set screw to thereby resist loosening of the set screw. Other implementations are discussed.

The utility model discloses a protective device convenient for nursing after spine surgery, which relates to the technical field of spine assistance and comprises a rear fixing plate and a detachable plate, one side of the rear fixing plate is fixedly connected with a first side fixing plate, and the other side of the rear fixing plate is fixedly connected with a second side fixing plate. Ventilation grooves are formed in the first side fixing plate and the second side fixing plate, side protection air cushions are fixedly connected to the inner sides of the first side fixing plate and the second side fixing plate, after a spinal operation is conducted on a patient, the patient needs to wear a protection device to protect the spine, and the patient wears the rear fixing plate, the first side fixing plate and the second side fixing plate; a binding belt pasting block of a first side fixing plate is pasted on a pasting base of a second side fixing plate, so that the protection device is fixed to the spine of a patient, the patient can wear the protection device comfortably through side protection air cushions, and when the patient needs to be subjected to dressing change nursing, an adjusting block of a rear fixing plate is pulled, and the adjusting block moves to compress an adjusting spring.

The utility model discloses an adjustable ankle joint injury postoperative fixing brace, relates to the technical field of medical rehabilitation, and solves the problems that an existing device is difficult to accurately adapt to the requirements, the recovery effect is affected by excessive limitation of ankle joint movement of a patient, or secondary injury risk is caused by insufficient limitation, and the recovery effect is affected. And personalized and dynamic rehabilitation support cannot be provided for the patient. The utility model discloses an adjustable ankle joint injury postoperative fixing brace which comprises a bottom plate. The bottom plate adopts a U-shaped plate structure; a connecting plate of an L-shaped plate structure is fixedly arranged on one side of the rear end of the bottom plate, and penetrating type screw hole structures are formed in the outer side of the top of the connecting plate in a semicircular array shape. Two sets of limiting rods are rotationally arranged in screw holes in the top of the connecting plate in a threaded fit mode. The ankle joint is prevented from being injured by improper movement, proper movement is ensured to promote recovery, the limit can be flexibly adjusted according to the progress of each stage of rehabilitation, and the scientificity and accuracy of rehabilitation training are greatly improved.

Implementations of the disclosed systems and methods include medical implants, such as spinal implants for posterior fixation. According to some implementations, the implant includes a tulip configured to receive a rod, along with a set screw configured to fix the rod in place within the tulip. In some cases, the set screw is configured to selectively rotate in a first direction to tighten and to selectively counter-rotate in a second direction to loosen. According to some implementations, the implant includes a mechanical stop configured to prevent undesirable counter-rotation of the set screw to thereby resist loosening of the set screw. Other implementations are discussed.

This utility model belongs to the field of medical device technology, specifically relating to a lumbar spine protector. This lumbar spine protector includes a lumbar spine fixation bracket and a back strap. The lumbar spine fixation bracket includes a front fixation plate and a rear fixation plate arranged front to back, side plates respectively arranged on both sides of the front and rear fixation plates, and a detachable rear support plate arranged inside the rear fixation plate for supporting the lumbar spine. One end of the side plate is hinged to the front fixation plate and the other end is hinged to the rear fixation plate. The rear fixation plate includes multiple rear pieces arranged at intervals along the vertical direction and two pressure-reducing elastic bands arranged opposite each other between adjacent rear pieces to deform the adjacent rear pieces. In use, under the action of the multiple rear pieces and the two pressure-reducing elastic bands arranged opposite each other between adjacent rear pieces to deform the adjacent rear pieces, the rear fixation plate achieves a small left-right sway between adjacent rear pieces, allowing the patient a small range of motion, which improves patient comfort without affecting the support of the lumbar spine fixation bracket.