61 results about "Posterior fixation" patented technology

The invention belongs to the technical field of medical auxiliary instruments, and particularly discloses an emergency patient limb fixing device which comprises a support, a fixing column is mounted on the front side of the top of an upper clamping plate of the support, a front fixing plate is mounted on the top of the fixing column, and symmetrical side fixing plates are connected to the left side and the right side of the front fixing plate through fixing ropes. A plurality of ladder buckles are installed on the outer side of the side edge fixing plate located on the left side of the front fixing plate, each ladder buckle is connected with a fixing belt, the rear end of the front fixing plate is connected with a rear fixing plate through a knuckle bearing, and clamping grooves are formed in the outer sides of the rear ends of the side edge fixing plates on the left side and the right side of the front fixing plate. Limiting connecting rods are hinged to the outer sides of the front ends of the side edge fixing plates on the left side and the right side of the rear fixing plate, and the front end heads of the limiting connecting rods are in a protruding column shape and can be connected with the clamping grooves in a clamped mode. The limb fixing device can quickly fix the limbs of an emergency patient, and adjustment is conducted during fixing according to the needed tightness degree; and meanwhile, the joint of the fixed limb can move to a certain degree.

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.

This application describes surgical instruments and implants for building a posterior fixation construct across one or more segments of the spinal column. More specifically, the application describes instruments and methods for building a posterior fixation construct across one or more segments of the spinal column in a minimally invasive fashion.

The utility model discloses a fixing clamp for a rat head operation. The fixing clamp comprises a fixing plate, a fixing frame, a biting rod, a front fixing beam, a rear fixing beam and a subjaw fixing cone. The two fixing frames are fixedly arranged on the fixing plate in a spaced mode. The biting rod is connected between the front ends of the two fixing frames; the front fixing beam is rotationally arranged between the front parts of the two fixing frames and is used for fixing the front end of the head of the rat; the rear fixing beam is rotationally arranged between the rear parts of the two fixing frames and is used for fixing the rear end of the head of the rat; a plurality of front through holes and rear through holes are formed in the side faces of the front portion and the rear portion of the fixing frame, the two ends of the front fixing beam are rotationally arranged in the two corresponding front through holes respectively, and the two ends of the rear fixing beam are rotationally arranged in the two corresponding rear through holes respectively. A subjaw fixing cone is arranged on the inner side of each fixing frame and used for fixing the lower jaw of the rat. In conclusion, the fixing device has the advantages of novel structure, convenience in operation, good fixing effect and the like.

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 utility model provides a spinal post-operation fixing and protecting device, which belongs to the technical field of post-operation auxiliary protection, and comprises a protecting belt, the protecting belt is provided with an assembly type protecting plate and rib side supporting plates on the two sides, the assembly type protecting plate comprises a supporting clamping groove and a plurality of groups of protecting clamping plates, and the supporting clamping groove is provided with an opening. Sliding blocks matched with the supporting clamping grooves are arranged on the two sides of the protection clamping plates and used for installing the multiple sets of protection clamping plates, clamping pins are arranged at the bottom ends of the protection clamping plates, and clamping grooves matched with the clamping pins are formed in the top ends of the adjacent protection clamping plates; a fixing clamping plate is arranged at the position, located on the top of the first set of protection clamping plates, of the supporting clamping groove, a plurality of sets of screw holes are formed in the outer wall of the supporting clamping groove, and the fixing clamping plate and the supporting clamping groove are fixedly installed through bolts; the problem that the length of the supporting structure cannot be adjusted according to the actual condition of a patient can be solved.

The invention belongs to the technical field of gastrointestinal endoscope fixing, and discloses a gastrointestinal endoscope fixing device after insertion, which comprises a mounting plate, one side of the top of the mounting plate is fixedly connected with an electric push rod, and the other side of the top of the mounting plate is provided with an adjusting and positioning mechanism. A threaded locking rod penetrates through a U-shaped plate and an insertion plate of the gastrointestinal endoscope body, and the U-shaped plate and the insertion plate are jointly and fixedly connected to a threaded sleeve in a threaded mode, so that the transverse offset and the longitudinal vertical height of the gastrointestinal endoscope body are dynamically adjusted in real time in the axial moving process of a right-angle plate; according to the gastrointestinal endoscope, the operation end of the gastrointestinal endoscope body can be ensured to be in spatial correspondence with the oral cavity or anus position of a patient when the patient is in any examination postures such as side lying, prone lying, supine lying and knee-chest postures, different body positions of the patient can be adapted, and therefore the examination accuracy and efficiency are improved while arm fatigue caused by holding the operation part by medical staff is relieved.

The utility model provides a fixing device for venipuncture, which relates to the technical field of medical instruments and comprises a U-shaped device plate, a fixing plate mounted on the inner side of the U-shaped device plate, memory foam mounted on the fixing plate, a lower fixing cylinder mounted on the inner side of the U-shaped device plate, and an upper fixing cylinder mounted on the lower surface of the fixing plate. The lower fixing cylinder and the upper fixing cylinder are connected through a spring, plug connectors are installed at the two ends of the inner side of the U-shaped device plate, plug connectors are formed in the plug connectors, and a movable plate is installed on the lower portion of the fixing plate. When the soft memory pillow surface is used by a patient with skin laxity, the skin at the laxity part is tensioned and then fixed on the lower side of an arm, the skin at the puncture part is relatively compact, and blood vessels are not easy to slide and are convenient to puncture. The memory pillow is made of soft and comfortable materials, a patient does not feel uncomfortable when making contact with the skin, and especially for a patient with peripheral nerve injury caused by chemotherapy, due to the fact that the patient cannot make contact with a cold object, the soft surface well solves the problem.

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 utility model discloses a multifunctional osteoporotic fracture external fixing brace in the technical field of orthopedic rehabilitation instruments, which comprises a front fixing plate, a plurality of fixing straps are fixedly connected to one side of the outer wall of the front fixing plate, a first air bag layer is arranged on the inner wall of the front fixing plate, and the front fixing plate is rotatably connected with a rear fixing plate. A plurality of fixing belts are fixedly connected to one side of the outer wall of the rear fixing plate, a second air bag layer is arranged on the inner wall of the rear fixing plate, a plurality of fixing buckles are arranged on the sides, opposite to the fixing belts, of the front fixing plate and the rear fixing plate, and a plurality of dense ellipsoidal heat dissipation balls are arranged on the surfaces of the first air bag layer and the second air bag layer. The fixing device is simple in structure, an affected limb can be fixed and protected through the fixing bands, the affected limb is supported and attached through the air bag layer and the ellipsoidal heat dissipation balls, and the burden on the fractured affected limb is reduced.

This application describes surgical instruments and implants for building a posterior fixation construct across one or more segments of the spinal column during a medialized posterior lumbar interbody fusion (PLIF) procedure.

The invention provides an adjustable fixing device for traumatic orthopedics. The adjustable fixing device comprises a base unit, a bearing unit, a supporting unit, an adjusting unit and a traction unit. The base unit is fixed to the nursing bed through the hoop, and the slewing bearing drives the bearing plate to rotate and align. The supporting unit is of a flexible supporting cloth and vertical plate structure, and the legs of a patient are clamped in a self-adaptive mode under the gravity effect. The adjusting unit realizes multi-dimensional adjustment of the height, the inclination angle and the width through a worm and gear mechanism and an angle adjusting screw rod; the traction unit controls the traction angle and force through the gear hole and the balancing weight. The device has the advantages of flexible fixation, accurate adjustment, stability, reliability and the like, and is suitable for orthopedic postoperative fixation and traction treatment.

The invention discloses a telescopic brace for preventing a toe web from moving upwards after a toe merging operation, and relates to the technical field of medical instruments, the telescopic brace comprises a bottom plate, a first sliding block, a second sliding block, a side fixing plate, a rectangular frame, a rear fixing plate, a driving assembly and a supporting assembly; the bottom plate is configured to be a rectangular plate, two first sliding grooves are formed in the upper end face of the bottom plate in the left-right direction, two second sliding grooves are formed in the upper end face of the bottom plate in the front-back direction, the two first sliding blocks are arranged in the two first sliding grooves in a sliding mode respectively, and the two second sliding blocks are arranged in the two second sliding grooves in a sliding mode respectively. The two side fixing plates are fixed to the ends, away from each other, of the two first sliding blocks respectively, the rectangular frame is fixed to the front end of the second sliding block located on the front side, the rear fixing plate is fixed to the rear end of the second sliding block located on the rear side, the driving assembly is arranged in the bottom plate, and the supporting assembly is arranged on the rectangular frame.

The present invention discloses a cable-based bone transport device, which connects a first bone and a second bone through an intramedullary nail; a fixing assembly is fixed to the first bone and the second bone, and the middle is connected by a transport assembly; then the cable is passed through the skin through the inner (outer) side of the distal end of the second bone into the second medullary cavity, and then fixed to the outside of the distal bone cortex after entering the first medullary cavity, and the outer part of the cable is connected to the transport assembly; the first bone is cut into the first bone fixed by the fixing assembly and the transport bone segment dragged by the cable. The moving parts on the transport assembly are driven regularly to drive the cable, thereby driving the transport bone segment to gradually move closer to the second bone, so that the transport bone segment finally contacts the second bone, completing the bone transport. By dragging the cable to pull the transport bone segment closer to the second bone along the intramedullary nail, a good force line can be maintained to avoid deformity; the skin and soft tissue structure of the transport bone segment is not damaged; and the dragging transport method is simpler than the traditional method.

This invention discloses a locking device for a plugless posterior thoracolumbar fixation system, comprising an outer tube, a core rod, and an outer sleeve. One end of the core rod has a stud, and the other end has an annular groove on its side. One end of the annular groove has a first step, and the other end has a second step. The core rod also has a clearance hole on its side. A tail block is rotatably connected inside the outer tube, and the tail block has an internal threaded hole. The stud is threaded onto the tail block. The outer tube has a first shaft hole and a second shaft hole on its side. One end of the outer tube has two clamping arms, one end of which has a hook, and the inner side of each clamping arm has a first protrusion. One end of the outer sleeve has a third shaft hole on its side, and the other end of the outer sleeve has clamping plates around its perimeter. One end of each clamping plate has a clamping groove, and the inner side of each clamping plate has a second protrusion. A second handle for up-and-down movement is also included. This invention allows for simultaneous locking and clamping of the pressure rod, greatly simplifying the surgeon's operation and shortening the surgical time.

The utility model provides a cerebral blood vessel puncture fixation device for neurointervention, which relates to the technical field of auxiliary medical devices, and comprises a scale wheel and a fixed puncture mechanism. One side of the scale wheel is provided with the fixed puncture mechanism. When in use, the fixing strap has sufficient elasticity. After the soft belt supports the patient's head, the fixing strap can buffer the patient's head to ensure support and fixation of the patient's head. The puncture position of the patient is positioned by adjusting the rotating block, the rotating block is fixed to the puncture position by tightening the nut sleeve, and a puncture operation is performed on the patient by sliding a first slide bar and a second slide bar to ensure stability of the puncture. The distance between the fixed shafts on both sides can be adjusted by adjusting the tightness of the fixing screws. In the process of fixing, the corresponding distance can be fixed according to the different head sizes of the patients, which can be more suitable for the sizes of different patients and has strong applicability.

Title: Device for assisting in the fixation of a surgical implant after its placement. The invention relates to a device for assisting in the fixation of a surgical implant after its placement, wherein the implant (2) is intended to be introduced into a bone cavity, fixed therein by means of at least one screw or similar device by passing through the bone material before reaching said implant (2) and penetrating an orifice (20) in the implant, and then screwed into the bone material. It comprises, in association with implant (2) retention means (31) designed to maintain the implant (2) while it is positioned in said bone cavity, drilling guidance means (42) fixedly connected to the retention means (31) by means of conformable connecting means (40, 41) so that the drilling axis (X) is aligned with said orifice (20). Figure for the abstract: Fig. 1

The utility model discloses a self-adhesive surgical dressing for ears, which comprises a waterproof adhesive layer, a protective page layer is arranged on the adhesive surface of the waterproof adhesive layer, the waterproof adhesive layer comprises a front part and a rear part, a dressing layer is arranged on the adhesive surface of the front part, and the dressing layer is positioned between the waterproof adhesive layer and the protective page layer. The ear dressing device can adapt to the physiological curvature of the ear of a patient, better fit the wound of the ear, adapt to the sizes of the ears of different patients, realize front and back fixation, improve the binding stability, simplify the fixing steps, and effectively save the dressing change time and cost of a doctor. Disposable sterile packaging is adopted, packaging is easy and convenient, one-step dressing change is achieved, and dressing change at home of a patient can be facilitated; the bandage is simple in design, moderate in size and attractive compared with a traditional bandage mode, bandage discomfort of a patient can be relieved, anxiety of the patient to a wound can be relieved, and meanwhile a doctor can conveniently observe the exudation condition of the wound.

The utility model relates to the technical field of medical instruments, in particular to an occipitocervical posterior approach fixing structure and a skull base depression posterior approach resetting assembly. The occipitocervical posterior fixing structure comprises a fixing plate, two reset connecting rods, two first threaded connecting pieces and two second threaded connecting pieces. A first containing groove is formed in the first threaded connecting piece, a first threaded pressing piece is arranged in the first containing groove, a second containing groove is formed in the second threaded connecting piece, and a second threaded pressing piece is arranged in the second containing groove. The reset connecting rod comprises a reset part and a fixing part, the reset part is pressed in the first containing groove through a first threaded pressing piece, the fixing part is pressed in the second containing groove through a second threaded pressing piece, limiting contact faces are formed on the two sides of the fixing part, and the limiting contact faces are in limiting fit with the corresponding side walls of the second containing groove respectively. The occipital neck posterior fixing structure overcomes the defects that an existing occipital neck posterior fixing structure is poor in stability after being fixed, the connecting rod is prone to rotating under interference of external force, and the fixing precision is reduced.

The application provides a 3D printing guide plate positioning system and method for posterior cruciate ligament reconstruction, and belongs to the technical field of ligament surgical instruments in sports medicine. The system comprises a positioning guide plate, a guide plate supporting frame and a drilling guide arm. The positioning guide plate is shaped according to a three-dimensional reconstruction model of a tibia, is manufactured through 3D printing, and is connected to the guide plate supporting frame. One side of the positioning guide plate is attached with a flexible sensor to detect the attached stress. The drilling guide arm is fixedly connected to the guide plate supporting frame after the positioning guide plate is placed at a set position to realize the positioning of drilling. The method is realized based on the system. Through the positioning system, the influence of human factors in surgery is reduced, the establishment of the tibial tunnel is more scientific and accurate by combining with the sensing technology, the problems of possible reconstruction and healing failure, bone damage and the like are solved, and the recovery of the movement ability of the patient is accelerated.

The utility model discloses a wearable thoracic and abdominal postoperative fixing band, which relates to the technical field of postoperative nursing, aims to solve the technical problem that the fixing band is complicated to wear, and comprises a thoracic and abdominal nursing main body, a quilt band penetrating buckle is arranged on the back side of the top of the thoracic and abdominal nursing main body, and elastic cotton parts are arranged on two sides of the thoracic and abdominal nursing main body. A middle adjusting area is arranged in the center of the front side of the thoracic and abdominal nursing body, an adjusting rope penetrates through the middle adjusting area in a crossed mode, an adjusting structure is arranged on the upper half portion of the middle adjusting area, and a detachable lining is bonded to the interior of the front side of the thoracic and abdominal nursing body through a hook-and-loop fastener. And a blood storage structure is arranged in the detachable lining. Through the design of the top quilt belt and the fixed pull buckle belt, and through the matching of the adjusting rope, the adjusting structure and the blood storage structure, the blood storage quilt has the advantages of being convenient to adjust and wear, convenient to adapt to different patients and capable of reducing the lining replacement frequency.

The utility model relates to the technical field of medical instruments, and discloses an elbow joint postoperative fixator which comprises a first fixing plate, the top of the first fixing plate is fixedly connected with a square block, an inner cavity is formed in the square block, the inner wall of the inner cavity is slidably connected with a sliding rod, the front side of the sliding rod is fixedly connected with a connecting rod, and the connecting rod is fixedly connected with a connecting rod. A telescopic assembly is rotatably connected to the front side of the connecting rod, clamping blocks are fixedly connected to the front side and the rear side of the right portion of the sliding rod, a rotating rod is rotatably connected to the right side of the top of the first fixing plate, a check block is fixedly connected to the top of the rotating rod, and a gear is fixedly connected to the exterior of the rotating rod; the bottom of the gear is fixedly connected with a second fixing plate, and the top of the first fixing plate is fixedly connected with a first base plate. According to the angle-adjustable elbow joint fixator, angle adjustment of the fixator is achieved, then people can conveniently fix the elbow joint, the curative effect of an operation is improved, and the rehabilitation time is shortened.

A thighbone osteotomy guiding device for knee replacement comprises a positioning fixing plate, a cover plate, a hollow connecting screw rod, a screw, an up-down adjusting knob, a left-right adjusting knob and an osteotomy guiding plate, the positioning fixing plate and the cover plate are fixedly connected through the hollow connecting screw rod, and the screw penetrates through the hollow connecting screw rod and then is fixed to a thighbone. A two-dimensional adjusting mechanism is packaged between the positioning fixing plate and the cover plate, the osteotomy guide plate is fixed on the two-dimensional adjusting mechanism, the up-down adjusting knob and the left-right adjusting knob are both connected with the two-dimensional adjusting mechanism, and the osteotomy guide plate can move up and down or left and right when the up-down adjusting knob or the left-right adjusting knob is rotated. According to the device, the osteotomy guide plate can be finely adjusted in the operation, the position of the osteotomy limiting groove is adjusted by adjusting the position of the osteotomy guide plate, the purpose of adjusting the osteotomy plane of the swing saw is achieved, the whole osteotomy device does not need to be taken down and repositioned and fixed in the adjusting process, the operation steps are saved, and the operation efficiency is improved. And the injury to the patient caused by re-fixation is relieved.

This application describes surgical instruments and implants, including a rod reduction instrument, for building a posterior fixation construct across one or more segments of the spinal column. Extension guides are provided that attach to bone anchors implanted within the spine. The extension guides have a guide channel that align with a rod channel in the anchor to help direct the rod to the anchor. The rod reducer may be passed through the interior of the guide assemblies with a distal end arranged in a first position allowing the distal end to pass through the guide. Once through the guide the distal end may be expanded to provide dual contact on the rod at each end of the bone anchor rod channel.

This application describes surgical instruments and implants for building a posterior fixation construct across one or more segments of the spinal column. More specifically, the application describes instruments and methods for building a posterior fixation construct across one or more segments of the spinal column in a minimally invasive fashion.

This application describes surgical instruments and implants, including a rod reduction instrument, for building a posterior fixation construct across one or more segments of the spinal column. Extension guides are provided that attach to bone anchors implanted within the spine. The extension guides have a guide channel that align with a rod channel in the anchor to help direct the rod to the anchor. The rod reducer may be passed through the interior of the guide assemblies with a distal end arranged in a first position allowing the distal end to pass through the guide. Once through the guide the distal end may be expanded to provide dual contact on the rod at each end of the bone anchor rod channel.

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 present disclosure provides a transcatheter occluder device (1) for high venosum atrial septal defects (hv-asds). The device (1) comprises at least one connecting wire (2), a left occluder disk (3), and an asymmetrically designed right occluder disk (4). A first occluder form (A) includes a rear fixation lobe (5), an upper fixation lobe (6), and a lower fixation lobe (7), with the connecting wire (2) connected to the left occluder disk (3) and formed to provide a crown shape. A second occluder form (B) includes a first ring stabilizer (8) as a spiral ring and a second stabilizer (9) at the end of the connecting wire (2) for insertion into the superior vena cava and the inferior vena cava. The connecting wire (2) comprises a mesh wire. The device's (1) asymmetrical design allows secure anchoring to the inferior vena cava rim, addressing the unique challenges of high venosum atrial septal defects.

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.