25 results about "Bone staple" patented technology

An external fixation system that uses a torquing apparatus and a universal fixator clamp. The universal fixator clamp comprises a proximal head, a screw plate, a first upper clamp plate, a second upper clamp plate, a spring, a first lower clamp plate, and a second lower clamp plate. The first upper clamp plate and second upper clamp plate define at least one bone pin channel and at least one frame rod channel. The first lower clamp plate and second lower clamp plate define at least one bone pin channel and at least one frame rod channel. A central bolt engages with the screw plate to compress the universal fixator clamp when turned by the torquing apparatus. The torquing apparatus has a plurality of arms that engage with complementary recesses in the proximal head to prevent patients from disengaging the clamp once tightened.

The invention relates to the technical field of medical materials, and discloses a preparation method of a multifunctional fiber patch for bone nail fixation postoperative care. The fiber patch adopts a three-layer composite structure design, and comprises an anti-allergic silica gel substrate layer, a drug-loaded nanofiber functional layer and a waterproof breathable layer. The preparation method comprises the following steps: (1) preparing the anti-allergic silica gel substrate layer from platinum cured silica gel and a pressure-sensitive adhesive; (2) preparing a medicine-carrying nanofiber functional layer containing phellinus igniarius polysaccharide through electrostatic spinning; (3) mixing waterborne polyurethane with polytetrafluoroethylene to prepare a waterproof breathable layer; and (4) sequentially compounding the substrate layer, the functional layer and the waterproof breathable layer into the multifunctional fiber patch. The fiber patch has the comprehensive effects of resisting bacteria, resisting inflammation, resisting allergy and easing pain, meanwhile has excellent air permeability and comfort, can effectively promote postoperative wound recovery and reduce infection risks, is particularly suitable for wound nursing after orthopedic internal fixation, and has remarkable clinical application value.

A device and system for inserting and impacting bone dowel allografts or bone chips into a bone tunnel. The surgical impacting system includes a surgical tamp having a proximal end and a distal end with an elongated shaft extending therebetween. The surgical tamp has an inner channel extending therethrough from the proximal end to the distal end. The distal end of the surgical tamp can have a distal tip. The surgical tamp may have a handle at the proximal end or a proximal tip at the proximal end. The surgical tamp may also have one or more slots extending through the exterior surface of the elongated shaft and into the inner channel. The surgical tamp can be configured for insertion into a delivery tube. The delivery tube serves the purpose of containing a bone dowel or bone chips therein for smooth insertion into the joint.

This utility model discloses a bone screw implantation device, belonging to the field of medical device technology. It includes: a base, two supporting sliders slidably mounted on the base, side pressure plates fixedly mounted on the sides of the two supporting sliders that are close to each other, soft pads fixedly mounted on the sides of the two side pressure plates that are close to each other, side sliding strips fixedly mounted on both sides of the base, connecting plates slidably mounted on the top of the side sliding strips, electric push rods fixedly mounted on the top of the connecting plates, a common fixing plate fixedly mounted on the output ends of the two electric push rods, and a fixing block fixedly mounted on the bottom end of the fixing plate. This bone screw implantation device, through the cooperation of electric push rods, motors, spiral rods, bevel gears, and other mechanisms, achieves precise control and stable operation of the bone screw implantation process. Simultaneously, the design of the upper pressing component and side pressure plates ensures stability and safety during implantation, and the cooperation of multiple structures greatly simplifies the operation process and saves working time.

A new shape changing staple and instrument for the fixation of structures to include bone tissue and industrial materials. This new staple stores elastic mechanical energy to exert force on fixated structures to enhance their security and in bone affect its healing response. This staple once placed changes shape in response to geometric changes in the materials structure, including healing bone tissue. The staple is advanced over prior staples due to its: 1) method of operation, 2) high strength, 3) method of insertion, 4) compressive force temperature independence, 5) energy storing staple retention and delivery system, 6) compatibility with reusable or single use product configuration, 7) efficient and cost effective manufacturing methods, and 8) reduction in the steps required to place the device. In addition to the staple's industrial application an embodiment for use in the fixation of the musculoskeletal system is shown with staple, cartridge, and extrusion handle.

The invention discloses a positioning bone nail for registration, and relates to the technical field of medical instruments, the positioning bone nail comprises an anchoring part, the top of the anchoring part is provided with an operation part, the top of the operation part is provided with a registration part, the outer surface of the anchoring part is provided with self-tapping threads, the registration part is provided with a conical hole or a spherical hole, and the operation part is provided with a hexagonal outer contour. The operation part is used for being matched with a standard hexagonal screwdriver, the anchoring part is driven to rotate by rotating the operation part, then the anchoring part is driven to be screwed into a designated position in the oral cavity of a patient through the self-tapping thread on the outer surface of the anchoring part and the conical bottom of the anchoring part, then CT is shot, and after an image is generated through CT, the image is displayed. The method can manually mark the bottom surface of the conical hole or the sphere center of the spherical hole of each registration nail, also can automatically generate the feature point on the bottom surface of the conical hole or the sphere center of the spherical hole, and can effectively provide the registration point and position accurately and quickly compared with positioning by using an anchorage nail.

There is provided a staple instrument for inserting and removing staples from bone. A rotational drive shaft is turned to provide finite adjustments to open and close jaws used to hold and adjust the legs of a staple. A converter coupling converts the rotational motion of the drive shaft to liner motion to operate an articulated linkage system that moves the jaws. The jaws include a sharp edge to engage under a bridge of a staple inserted in bone segments and a convex pry surface that cooperates with the edge to pry a staple from the bone segments when the instrument is pulled away from the bone segments.

The invention discloses a medical instrument visual identification detection device, and relates to the technical field of medical instrument visual identification detection devices. According to the method, through abnormal value screening, gray data are closer to real features, misjudgment caused by noise is avoided, real defects and noise interference can be accurately distinguished in bone nail surface tiny scratch detection, and the detection accuracy is improved; the multi-direction gray-level co-occurrence matrix covers textures with different orientations on the surface of the medical instrument, and it is ensured that complex surface features are not missed; the definition judgment result is directly associated with light supplement parameter adjustment, when the image is fuzzy due to insufficient illumination, the system can reversely deduce the light supplement intensity according to the deviation of the contrast ratio, a'detection-feedback-adjustment 'closed loop is realized, and the definition data accumulated for a long time can be used for iterating light supplement model parameters, so that the light supplement strategy is continuously optimized along with the change of a detection scene.

A clamping system includes a first clamp body including a first jaw, a second jaw, and a first aperture configured to receive a bone pin, the first clamp body is configured to receive a first connector rod between the first jaw and the second jaw, a second clamp body coupled to the first clamp body and including a third jaw, a fourth jaw, and a second aperture configured to receive the bone pin, the second clamp body configured to receive a second connector rod between the third jaw and the fourth jaw, and a securing assembly movable between a first position and a second position, such that moving the securing assembly from the first position to the second position reduces a distance between the first jaw and the second and reduces a distance between the third jaw and the fourth jaw.

The invention belongs to the technical field of biological functional polymer materials, and relates to a high-strength and high-toughness silk fibroin-based material as well as a preparation method and application thereof. The material has a composite cross-linked network; the composite cross-linked network is composed of a chemical cross-linked network formed among silk fibroin molecules and a physical cross-linked network formed by mutual entanglement of silk fibroin and nanofibers, the silk fibroin has a regular and uniform beta-folded crystal structure, and the nanofibers have a partial orientation structure. The preparation method comprises the following steps: adding a nanofiber dispersion liquid into a silk fibroin precursor solution with specific composition and proportion, uniformly dispersing, and carrying out visible light-induced chemical crosslinking at 25-37 DEG C to obtain silk fibroin-nanofiber composite hydrogel; and carrying out gradient ethanol treatment and vacuum drying post-treatment on the silk fibroin-nanofiber composite hydrogel to obtain the silk fibroin-nanofiber composite hydrogel. The material can be applied to the field of biomedical materials such as degradable bone nails and bone lamellas. According to the invention, the high strength and high toughness of the silk fibroin-based material are both realized.

The utility model discloses a novel implanted bone lamella, and relates to the technical field of medical instruments. The bone fixing device comprises a bone fixing plate, a fixing seat and bone nails, a plurality of circular fixing grooves are formed in the upper surface of the bone fixing plate, the fixing seat is installed in the circular fixing grooves and provided with sliding spherical surfaces attached to the inner walls of the circular fixing grooves, the bone nails are connected with the fixing seat, and the sliding spherical surfaces are arranged on the fixing seat. A through hole allowing the lower end of the bone nail to stretch out is formed in the groove bottom of the circular fixing groove, a blocking groove is formed in the top face of the fixing base, and a blocking ring piece abutting against the blocking groove is arranged at the head of the bone nail. The novel implanted bone lamella has the advantages that the angle of the implanted bone nail is flexible and adjustable, the bone lamella is protected, and rehabilitation of a patient is facilitated.

The invention comprises a fusion implant system for a generally u-shaped bone staple in which the staple is provided on a storage block with the two side legs in an un-splayed position, and an inserter having two triangular shaped pivoting handles has detachable tips that engage the staple on the storage block such that when the handles are aligned one over the other in a congruent position, the tips force the side legs into a splayed configuration at 90° and a sliding block holds the handles in this position to allow the staple to removed from the storage block and tamped using the inserter handles into respective bone.

The present application relates to a bone pin kit, comprising a support, a screw, an extension sleeve, a connecting rod, a locking screw, a locking screwdriver and an extension sleeve extractor; the support comprises two flaps; the outer wall of one end of the locking screwdriver has a plurality of ribs and a first engaging section, the opposite ends of the first engaging section have a first outer diameter and a second outer diameter, the second outer diameter is smaller than the first outer diameter; the locking screw has a through portion, the inner wall of the locking screw is provided with a plurality of grooves, the through portion has a second engaging section inside, the second engaging section has a first inner diameter, the first inner diameter is smaller than the first outer diameter and larger than the second outer diameter; the locking screw and the locking screwdriver are arranged in the support and the extension sleeve; the extension sleeve comprises two extension flaps, the extension sleeve is sleeved outside the support, and the inner wall of the extension flap and the outer wall of the flap are engaged by the engaging structure.

1. Name of the product in this design: Drive stage for bone drill. 2. Application of this design: The product as a whole is used in surgical procedures to automatically insert one or more Kirschner wires or bone screws, etc. The drive stage is used to automatically clamp the Kirschner wires or bone screws, etc., and to move or rotate the Kirschner wires or bone screws, etc. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. Other situations requiring explanation: In the view, the pink semi-transparent covered area is the part that does not need protection, and the part not covered by the pink semi-transparent is the local design that requires protection.

The invention relates to the technical field of medical equipment, in particular to an external fixation support auxiliary device for a fracture patient, which comprises a support body and a storage box, and the storage box is used for storing a carrier with disinfectant; an opening is formed in the storage box, and a fixing assembly used for fixing the storage box is arranged on the support body. The fixing assembly comprises a fixing plate, a rotating plate and a plurality of clamping plates. The fixing plate is fixedly connected to the support body. Clamping grooves are formed in the fixing plates in the circumferential direction, the clamping plates are located in the clamping grooves and are in sliding fit with the clamping grooves, and hinge rods are hinged to the bottoms of the clamping plates; the ends, away from the clamping plates, of the hinge rods are hinged to the rotating plate. The fixed plate and the rotating plate are both provided with connectors communicated with the opening. The rotating plate is driven to rotate through the driving assembly, then the clamping or releasing action of the clamping plate is driven, the situation that the storage box moves or falls off in the disinfection process is reduced, and the working efficiency of bone nail nursing is improved.

The utility model discloses a low-frequency centrifugal shaking tool. The tool comprises a cylindrical mold for filling foaming liquid, a bearing table for placing the mold, a rotating power mechanism for driving the mold to axially rotate on the bearing table, and a swinging power mechanism for driving the mold to swing back and forth on the bearing table. According to the utility model, by controlling the axial rotation and the front-back shaking of the cylindrical mold, the simulation bone foaming liquid entering the mold can be ensured to be quickly and uniformly distributed at any part in the mold, and then the foaming liquid is foamed from the periphery of the mold to the center, so that a simulation bone model with rigidity gradient change from outside to inside is formed; the requirements of high surface hardness and high rigidity of the simulated bone model are met, the holding force of the bone nail on the simulated bone can be greatly increased, the repeated utilization rate of the simulated bone is increased, and the requirements of dry-type practical operation training are met. The tool is simple in structure, easy and convenient to operate and capable of meeting the requirement for more optimized production of the light-weight simulation bone model.

The utility model discloses an adjustable bone nail traction device, and relates to the technical field of medical supplies, the adjustable bone nail traction device comprises a kirschner wire, a traction bow and a traction rope, the kirschner wire is fixed at traction lugs at two ends of the traction bow, the traction rope is arranged at one end, far away from the traction lugs, of the traction bow, and the kirschner wire is connected with the traction bow. A tension meter is connected between the traction rope and the traction bow, and a base is arranged at the lower end of the traction rope; the pushing structure is fixedly arranged on the upper surface of the base, and the pushing structure is used for providing pushing force for the traction rope; the pulley structure is fixedly arranged on the upper surface of the base, and the pulley structure is used for converting the pushing force provided by the pushing structure for the traction rope into the pulling force for the traction bow; and the control structure is fixedly arranged on the upper surface of the base, and the control structure is used for adjusting the magnitude of the pushing force provided by the pushing structure to the traction rope. When the device is used, additional fixing points are not needed, and the device is convenient to use and easy to operate.

Disclosed are a bone screw coupling component and a spinal dynamic correction system. The bone screw coupling component includes a rod coupling assembly having a receiving slot configured to receive a support rod, and a screw coupling assembly having a covering cavity configured to receive and clamp a spherical screw cap of a bone screw. The rod coupling assembly is configured to have a release state allowing the support rod to pivot within a first plane defined by the receiving slot, and a locking state fixing the support rod in the receiving slot, and the rod coupling assembly is switchable between the release state and the locking state. The rod coupling assembly and the screw coupling assembly are configured to have a release state allowing the two to pivot relative to each other within a second plane perpendicular to the first plane, and a locking state limiting the two from pivoting relative to each other, and the two are switchable between the release state and the locking state.

A pin placement instrument for placing a pin in a bone comprises an anatomical interface with a hook-like portion being opened in a lateral direction of the instrument to receive a bone therein in a planned position. A drill guide is connected to the anatomical interface and defining at least one guide slot in a longitudinal direction of the instrument. The guide slot has a lateral opening over its full length in the drill guide to allow lateral withdrawal of the instrument in said lateral direction with the pin placed in the bone passing through the lateral opening. A bushing is removably placed in said guide slot via said longitudinal direction in a planned fit, the bushing defining a throughbore aligned with the guide slot and adapted to receive the pin extending in said longitudinal direction when the bushing is in the guide slot for pin placement.

This utility model belongs to the field of medical device technology, specifically disclosing a split-type bone transport internal fixation plate, including a fixation plate with several through-holes evenly spaced on it. Kirschner wire holes are located at both ends of the fixation plate. Several adjusting sleeves are fitted onto the fixation plate, each sleeve engaging with the fixation plate through internal holes. The width of the holes is greater than the width of the fixation plate. A through-hole cylindrical hole is located on the left side of each adjusting sleeve. A common guide cylinder is fitted into the cylindrical holes on the adjusting sleeves, and several C-clamps are fitted onto the guide cylinder. This utility model uses bone screws to fix the fixation plate to both ends of the bone defect within the patient's body. The rotatable C-clamps allow for more effective fixation of free bone segments. The distance between the free bone segments and the bone fixed by the fixation plate can be adjusted, facilitating flexible adjustment of the spacing of the free bone segments during bone transport surgery, resulting in more accurate tissue growth for the patient.

The application relates to the technical field of bone nails, in particular to a device for bone nail traction, which comprises a traction bed plate, traction frame bodies are fixedly connected to the top of the traction bed plate, a balance bar is fixedly connected to the middle of one end of the traction frame body, a scale mechanism is fixedly connected to one end of the traction bed plate, a fixing mechanism is arranged at one end of the surface of the traction bed plate, a tightening mechanism is arranged on one side of the fixing mechanism, when a patient is subjected to heavy object traction, in order to conveniently adjust the heavy object for leg traction of different patients, a plurality of traction heavy blocks are conveniently inserted and arranged through the arrangement of the penetrating rod, the traction heavy blocks can be used when traction is conveniently carried out, the first sliding roller, the second sliding roller and the third sliding roller are arranged in cooperation, the tightening mechanism is conveniently tightened, the traction heavy blocks and the legs of the patient are fixed during the traction process, the traction is conveniently fixed, and the device is suitable for traction of different weights.

A bone fixation device or bone staple includes a crown portion, an engagement portion, and an outer rim generally defined between the crown portion and the engagement portion. The engagement portion includes a plurality of legs extending from the outer rim in a direction away from the crown portion. The plurality of legs are generally radially disposed and evenly spaced apart around the outer rim. The legs are beveled to provide a compressive effect to the bone when the staple is inserted into the bone.

A bone staple system configured to secure one or more bone segments and related methods is provided.

The present disclosure provides bone / wound staple delivery devices. The staple delivery devices are configured to allow a user to prepare a staple for delivery into a patient, and also to hold the staple such that, even if the staple delivery device is no longer held by the operator, the staple will remain clamped and splayed for insertion into a bone.